--- /dev/null
+#include "external-lib/include-httplib.h"
+
+#ifdef WORLD_SCORE
+
+#if defined(_MSC_VER)
+#pragma warning(push, 0)
+#endif
+namespace httplib {
+
+/*
+ * Implementation that will be part of the .cc file if split into .h + .cc.
+ */
+
+namespace detail {
+
+bool is_hex(char c, int &v) {
+ if (0x20 <= c && isdigit(c)) {
+ v = c - '0';
+ return true;
+ } else if ('A' <= c && c <= 'F') {
+ v = c - 'A' + 10;
+ return true;
+ } else if ('a' <= c && c <= 'f') {
+ v = c - 'a' + 10;
+ return true;
+ }
+ return false;
+}
+
+bool from_hex_to_i(const std::string &s, size_t i, size_t cnt,
+ int &val) {
+ if (i >= s.size()) { return false; }
+
+ val = 0;
+ for (; cnt; i++, cnt--) {
+ if (!s[i]) { return false; }
+ int v = 0;
+ if (is_hex(s[i], v)) {
+ val = val * 16 + v;
+ } else {
+ return false;
+ }
+ }
+ return true;
+}
+
+std::string from_i_to_hex(size_t n) {
+ const char *charset = "0123456789abcdef";
+ std::string ret;
+ do {
+ ret = charset[n & 15] + ret;
+ n >>= 4;
+ } while (n > 0);
+ return ret;
+}
+
+size_t to_utf8(int code, char *buff) {
+ if (code < 0x0080) {
+ buff[0] = (code & 0x7F);
+ return 1;
+ } else if (code < 0x0800) {
+ buff[0] = static_cast<char>(0xC0 | ((code >> 6) & 0x1F));
+ buff[1] = static_cast<char>(0x80 | (code & 0x3F));
+ return 2;
+ } else if (code < 0xD800) {
+ buff[0] = static_cast<char>(0xE0 | ((code >> 12) & 0xF));
+ buff[1] = static_cast<char>(0x80 | ((code >> 6) & 0x3F));
+ buff[2] = static_cast<char>(0x80 | (code & 0x3F));
+ return 3;
+ } else if (code < 0xE000) { // D800 - DFFF is invalid...
+ return 0;
+ } else if (code < 0x10000) {
+ buff[0] = static_cast<char>(0xE0 | ((code >> 12) & 0xF));
+ buff[1] = static_cast<char>(0x80 | ((code >> 6) & 0x3F));
+ buff[2] = static_cast<char>(0x80 | (code & 0x3F));
+ return 3;
+ } else if (code < 0x110000) {
+ buff[0] = static_cast<char>(0xF0 | ((code >> 18) & 0x7));
+ buff[1] = static_cast<char>(0x80 | ((code >> 12) & 0x3F));
+ buff[2] = static_cast<char>(0x80 | ((code >> 6) & 0x3F));
+ buff[3] = static_cast<char>(0x80 | (code & 0x3F));
+ return 4;
+ }
+
+ // NOTREACHED
+ return 0;
+}
+
+// NOTE: This code came up with the following stackoverflow post:
+// https://stackoverflow.com/questions/180947/base64-decode-snippet-in-c
+std::string base64_encode(const std::string &in) {
+ static const auto lookup =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+ std::string out;
+ out.reserve(in.size());
+
+ int val = 0;
+ int valb = -6;
+
+ for (auto c : in) {
+ val = (val << 8) + static_cast<uint8_t>(c);
+ valb += 8;
+ while (valb >= 0) {
+ out.push_back(lookup[(val >> valb) & 0x3F]);
+ valb -= 6;
+ }
+ }
+
+ if (valb > -6) { out.push_back(lookup[((val << 8) >> (valb + 8)) & 0x3F]); }
+
+ while (out.size() % 4) {
+ out.push_back('=');
+ }
+
+ return out;
+}
+
+bool is_file(const std::string &path) {
+#ifdef _WIN32
+ return _access_s(path.c_str(), 0) == 0;
+#else
+ struct stat st;
+ return stat(path.c_str(), &st) >= 0 && S_ISREG(st.st_mode);
+#endif
+}
+
+bool is_dir(const std::string &path) {
+ struct stat st;
+ return stat(path.c_str(), &st) >= 0 && S_ISDIR(st.st_mode);
+}
+
+bool is_valid_path(const std::string &path) {
+ size_t level = 0;
+ size_t i = 0;
+
+ // Skip slash
+ while (i < path.size() && path[i] == '/') {
+ i++;
+ }
+
+ while (i < path.size()) {
+ // Read component
+ auto beg = i;
+ while (i < path.size() && path[i] != '/') {
+ i++;
+ }
+
+ auto len = i - beg;
+ assert(len > 0);
+
+ if (!path.compare(beg, len, ".")) {
+ ;
+ } else if (!path.compare(beg, len, "..")) {
+ if (level == 0) { return false; }
+ level--;
+ } else {
+ level++;
+ }
+
+ // Skip slash
+ while (i < path.size() && path[i] == '/') {
+ i++;
+ }
+ }
+
+ return true;
+}
+
+std::string encode_query_param(const std::string &value) {
+ std::ostringstream escaped;
+ escaped.fill('0');
+ escaped << std::hex;
+
+ for (auto c : value) {
+ if (std::isalnum(static_cast<uint8_t>(c)) || c == '-' || c == '_' ||
+ c == '.' || c == '!' || c == '~' || c == '*' || c == '\'' || c == '(' ||
+ c == ')') {
+ escaped << c;
+ } else {
+ escaped << std::uppercase;
+ escaped << '%' << std::setw(2)
+ << static_cast<int>(static_cast<unsigned char>(c));
+ escaped << std::nouppercase;
+ }
+ }
+
+ return escaped.str();
+}
+
+std::string encode_url(const std::string &s) {
+ std::string result;
+ result.reserve(s.size());
+
+ for (size_t i = 0; s[i]; i++) {
+ switch (s[i]) {
+ case ' ': result += "%20"; break;
+ case '+': result += "%2B"; break;
+ case '\r': result += "%0D"; break;
+ case '\n': result += "%0A"; break;
+ case '\'': result += "%27"; break;
+ case ',': result += "%2C"; break;
+ // case ':': result += "%3A"; break; // ok? probably...
+ case ';': result += "%3B"; break;
+ default:
+ auto c = static_cast<uint8_t>(s[i]);
+ if (c >= 0x80) {
+ result += '%';
+ char hex[4];
+ auto len = snprintf(hex, sizeof(hex) - 1, "%02X", c);
+ assert(len == 2);
+ result.append(hex, static_cast<size_t>(len));
+ } else {
+ result += s[i];
+ }
+ break;
+ }
+ }
+
+ return result;
+}
+
+std::string decode_url(const std::string &s,
+ bool convert_plus_to_space) {
+ std::string result;
+
+ for (size_t i = 0; i < s.size(); i++) {
+ if (s[i] == '%' && i + 1 < s.size()) {
+ if (s[i + 1] == 'u') {
+ int val = 0;
+ if (from_hex_to_i(s, i + 2, 4, val)) {
+ // 4 digits Unicode codes
+ char buff[4];
+ size_t len = to_utf8(val, buff);
+ if (len > 0) { result.append(buff, len); }
+ i += 5; // 'u0000'
+ } else {
+ result += s[i];
+ }
+ } else {
+ int val = 0;
+ if (from_hex_to_i(s, i + 1, 2, val)) {
+ // 2 digits hex codes
+ result += static_cast<char>(val);
+ i += 2; // '00'
+ } else {
+ result += s[i];
+ }
+ }
+ } else if (convert_plus_to_space && s[i] == '+') {
+ result += ' ';
+ } else {
+ result += s[i];
+ }
+ }
+
+ return result;
+}
+
+void read_file(const std::string &path, std::string &out) {
+ std::ifstream fs(path, std::ios_base::binary);
+ fs.seekg(0, std::ios_base::end);
+ auto size = fs.tellg();
+ fs.seekg(0);
+ out.resize(static_cast<size_t>(size));
+ fs.read(&out[0], static_cast<std::streamsize>(size));
+}
+
+std::string file_extension(const std::string &path) {
+ std::smatch m;
+ static auto re = std::regex("\\.([a-zA-Z0-9]+)$");
+ if (std::regex_search(path, m, re)) { return m[1].str(); }
+ return std::string();
+}
+
+bool is_space_or_tab(char c) { return c == ' ' || c == '\t'; }
+
+std::pair<size_t, size_t> trim(const char *b, const char *e, size_t left,
+ size_t right) {
+ while (b + left < e && is_space_or_tab(b[left])) {
+ left++;
+ }
+ while (right > 0 && is_space_or_tab(b[right - 1])) {
+ right--;
+ }
+ return std::make_pair(left, right);
+}
+
+std::string trim_copy(const std::string &s) {
+ auto r = trim(s.data(), s.data() + s.size(), 0, s.size());
+ return s.substr(r.first, r.second - r.first);
+}
+
+void split(const char *b, const char *e, char d,
+ std::function<void(const char *, const char *)> fn) {
+ size_t i = 0;
+ size_t beg = 0;
+
+ while (e ? (b + i < e) : (b[i] != '\0')) {
+ if (b[i] == d) {
+ auto r = trim(b, e, beg, i);
+ if (r.first < r.second) { fn(&b[r.first], &b[r.second]); }
+ beg = i + 1;
+ }
+ i++;
+ }
+
+ if (i) {
+ auto r = trim(b, e, beg, i);
+ if (r.first < r.second) { fn(&b[r.first], &b[r.second]); }
+ }
+}
+
+stream_line_reader::stream_line_reader(Stream &strm, char *fixed_buffer,
+ size_t fixed_buffer_size)
+ : strm_(strm), fixed_buffer_(fixed_buffer),
+ fixed_buffer_size_(fixed_buffer_size) {}
+
+const char *stream_line_reader::ptr() const {
+ if (glowable_buffer_.empty()) {
+ return fixed_buffer_;
+ } else {
+ return glowable_buffer_.data();
+ }
+}
+
+size_t stream_line_reader::size() const {
+ if (glowable_buffer_.empty()) {
+ return fixed_buffer_used_size_;
+ } else {
+ return glowable_buffer_.size();
+ }
+}
+
+bool stream_line_reader::end_with_crlf() const {
+ auto end = ptr() + size();
+ return size() >= 2 && end[-2] == '\r' && end[-1] == '\n';
+}
+
+bool stream_line_reader::getline() {
+ fixed_buffer_used_size_ = 0;
+ glowable_buffer_.clear();
+
+ for (size_t i = 0;; i++) {
+ char byte;
+ auto n = strm_.read(&byte, 1);
+
+ if (n < 0) {
+ return false;
+ } else if (n == 0) {
+ if (i == 0) {
+ return false;
+ } else {
+ break;
+ }
+ }
+
+ append(byte);
+
+ if (byte == '\n') { break; }
+ }
+
+ return true;
+}
+
+void stream_line_reader::append(char c) {
+ if (fixed_buffer_used_size_ < fixed_buffer_size_ - 1) {
+ fixed_buffer_[fixed_buffer_used_size_++] = c;
+ fixed_buffer_[fixed_buffer_used_size_] = '\0';
+ } else {
+ if (glowable_buffer_.empty()) {
+ assert(fixed_buffer_[fixed_buffer_used_size_] == '\0');
+ glowable_buffer_.assign(fixed_buffer_, fixed_buffer_used_size_);
+ }
+ glowable_buffer_ += c;
+ }
+}
+
+int close_socket(socket_t sock) {
+#ifdef _WIN32
+ return closesocket(sock);
+#else
+ return close(sock);
+#endif
+}
+
+template <typename T> ssize_t handle_EINTR(T fn) {
+ ssize_t res = false;
+ while (true) {
+ res = fn();
+ if (res < 0 && errno == EINTR) { continue; }
+ break;
+ }
+ return res;
+}
+
+ssize_t read_socket(socket_t sock, void *ptr, size_t size, int flags) {
+ return handle_EINTR([&]() {
+ return recv(sock,
+#ifdef _WIN32
+ static_cast<char *>(ptr), static_cast<int>(size),
+#else
+ ptr, size,
+#endif
+ flags);
+ });
+}
+
+ssize_t send_socket(socket_t sock, const void *ptr, size_t size,
+ int flags) {
+ return handle_EINTR([&]() {
+ return send(sock,
+#ifdef _WIN32
+ static_cast<const char *>(ptr), static_cast<int>(size),
+#else
+ ptr, size,
+#endif
+ flags);
+ });
+}
+
+ssize_t select_read(socket_t sock, time_t sec, time_t usec) {
+#ifdef CPPHTTPLIB_USE_POLL
+ struct pollfd pfd_read;
+ pfd_read.fd = sock;
+ pfd_read.events = POLLIN;
+
+ auto timeout = static_cast<int>(sec * 1000 + usec / 1000);
+
+ return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); });
+#else
+#ifndef _WIN32
+ if (sock >= FD_SETSIZE) { return 1; }
+#endif
+
+ fd_set fds;
+ FD_ZERO(&fds);
+ FD_SET(sock, &fds);
+
+ timeval tv;
+ tv.tv_sec = static_cast<long>(sec);
+ tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec);
+
+ return handle_EINTR([&]() {
+ return select(static_cast<int>(sock + 1), &fds, nullptr, nullptr, &tv);
+ });
+#endif
+}
+
+ssize_t select_write(socket_t sock, time_t sec, time_t usec) {
+#ifdef CPPHTTPLIB_USE_POLL
+ struct pollfd pfd_read;
+ pfd_read.fd = sock;
+ pfd_read.events = POLLOUT;
+
+ auto timeout = static_cast<int>(sec * 1000 + usec / 1000);
+
+ return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); });
+#else
+#ifndef _WIN32
+ if (sock >= FD_SETSIZE) { return 1; }
+#endif
+
+ fd_set fds;
+ FD_ZERO(&fds);
+ FD_SET(sock, &fds);
+
+ timeval tv;
+ tv.tv_sec = static_cast<long>(sec);
+ tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec);
+
+ return handle_EINTR([&]() {
+ return select(static_cast<int>(sock + 1), nullptr, &fds, nullptr, &tv);
+ });
+#endif
+}
+
+Error wait_until_socket_is_ready(socket_t sock, time_t sec,
+ time_t usec) {
+#ifdef CPPHTTPLIB_USE_POLL
+ struct pollfd pfd_read;
+ pfd_read.fd = sock;
+ pfd_read.events = POLLIN | POLLOUT;
+
+ auto timeout = static_cast<int>(sec * 1000 + usec / 1000);
+
+ auto poll_res = handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); });
+
+ if (poll_res == 0) { return Error::ConnectionTimeout; }
+
+ if (poll_res > 0 && pfd_read.revents & (POLLIN | POLLOUT)) {
+ int error = 0;
+ socklen_t len = sizeof(error);
+ auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR,
+ reinterpret_cast<char *>(&error), &len);
+ auto successful = res >= 0 && !error;
+ return successful ? Error::Success : Error::Connection;
+ }
+
+ return Error::Connection;
+#else
+#ifndef _WIN32
+ if (sock >= FD_SETSIZE) { return Error::Connection; }
+#endif
+
+ fd_set fdsr;
+ FD_ZERO(&fdsr);
+ FD_SET(sock, &fdsr);
+
+ auto fdsw = fdsr;
+ auto fdse = fdsr;
+
+ timeval tv;
+ tv.tv_sec = static_cast<long>(sec);
+ tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec);
+
+ auto ret = handle_EINTR([&]() {
+ return select(static_cast<int>(sock + 1), &fdsr, &fdsw, &fdse, &tv);
+ });
+
+ if (ret == 0) { return Error::ConnectionTimeout; }
+
+ if (ret > 0 && (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) {
+ int error = 0;
+ socklen_t len = sizeof(error);
+ auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR,
+ reinterpret_cast<char *>(&error), &len);
+ auto successful = res >= 0 && !error;
+ return successful ? Error::Success : Error::Connection;
+ }
+ return Error::Connection;
+#endif
+}
+
+bool is_socket_alive(socket_t sock) {
+ const auto val = detail::select_read(sock, 0, 0);
+ if (val == 0) {
+ return true;
+ } else if (val < 0 && errno == EBADF) {
+ return false;
+ }
+ char buf[1];
+ return detail::read_socket(sock, &buf[0], sizeof(buf), MSG_PEEK) > 0;
+}
+
+class SocketStream : public Stream {
+public:
+ SocketStream(socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec,
+ time_t write_timeout_sec, time_t write_timeout_usec);
+ ~SocketStream() override;
+
+ bool is_readable() const override;
+ bool is_writable() const override;
+ ssize_t read(char *ptr, size_t size) override;
+ ssize_t write(const char *ptr, size_t size) override;
+ void get_remote_ip_and_port(std::string &ip, int &port) const override;
+ void get_local_ip_and_port(std::string &ip, int &port) const override;
+ socket_t socket() const override;
+
+private:
+ socket_t sock_;
+ time_t read_timeout_sec_;
+ time_t read_timeout_usec_;
+ time_t write_timeout_sec_;
+ time_t write_timeout_usec_;
+
+ std::vector<char> read_buff_;
+ size_t read_buff_off_ = 0;
+ size_t read_buff_content_size_ = 0;
+
+ static const size_t read_buff_size_ = 1024 * 4;
+};
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+class SSLSocketStream : public Stream {
+public:
+ SSLSocketStream(socket_t sock, SSL *ssl, time_t read_timeout_sec,
+ time_t read_timeout_usec, time_t write_timeout_sec,
+ time_t write_timeout_usec);
+ ~SSLSocketStream() override;
+
+ bool is_readable() const override;
+ bool is_writable() const override;
+ ssize_t read(char *ptr, size_t size) override;
+ ssize_t write(const char *ptr, size_t size) override;
+ void get_remote_ip_and_port(std::string &ip, int &port) const override;
+ void get_local_ip_and_port(std::string &ip, int &port) const override;
+ socket_t socket() const override;
+
+private:
+ socket_t sock_;
+ SSL *ssl_;
+ time_t read_timeout_sec_;
+ time_t read_timeout_usec_;
+ time_t write_timeout_sec_;
+ time_t write_timeout_usec_;
+};
+#endif
+
+bool keep_alive(socket_t sock, time_t keep_alive_timeout_sec) {
+ using namespace std::chrono;
+ auto start = steady_clock::now();
+ while (true) {
+ auto val = select_read(sock, 0, 10000);
+ if (val < 0) {
+ return false;
+ } else if (val == 0) {
+ auto current = steady_clock::now();
+ auto duration = duration_cast<milliseconds>(current - start);
+ auto timeout = keep_alive_timeout_sec * 1000;
+ if (duration.count() > timeout) { return false; }
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ } else {
+ return true;
+ }
+ }
+}
+
+template <typename T>
+bool
+process_server_socket_core(const std::atomic<socket_t> &svr_sock, socket_t sock,
+ size_t keep_alive_max_count,
+ time_t keep_alive_timeout_sec, T callback) {
+ assert(keep_alive_max_count > 0);
+ auto ret = false;
+ auto count = keep_alive_max_count;
+ while (svr_sock != INVALID_SOCKET && count > 0 &&
+ keep_alive(sock, keep_alive_timeout_sec)) {
+ auto close_connection = count == 1;
+ auto connection_closed = false;
+ ret = callback(close_connection, connection_closed);
+ if (!ret || connection_closed) { break; }
+ count--;
+ }
+ return ret;
+}
+
+template <typename T>
+bool
+process_server_socket(const std::atomic<socket_t> &svr_sock, socket_t sock,
+ size_t keep_alive_max_count,
+ time_t keep_alive_timeout_sec, time_t read_timeout_sec,
+ time_t read_timeout_usec, time_t write_timeout_sec,
+ time_t write_timeout_usec, T callback) {
+ return process_server_socket_core(
+ svr_sock, sock, keep_alive_max_count, keep_alive_timeout_sec,
+ [&](bool close_connection, bool &connection_closed) {
+ SocketStream strm(sock, read_timeout_sec, read_timeout_usec,
+ write_timeout_sec, write_timeout_usec);
+ return callback(strm, close_connection, connection_closed);
+ });
+}
+
+bool process_client_socket(socket_t sock, time_t read_timeout_sec,
+ time_t read_timeout_usec,
+ time_t write_timeout_sec,
+ time_t write_timeout_usec,
+ std::function<bool(Stream &)> callback) {
+ SocketStream strm(sock, read_timeout_sec, read_timeout_usec,
+ write_timeout_sec, write_timeout_usec);
+ return callback(strm);
+}
+
+int shutdown_socket(socket_t sock) {
+#ifdef _WIN32
+ return shutdown(sock, SD_BOTH);
+#else
+ return shutdown(sock, SHUT_RDWR);
+#endif
+}
+
+template <typename BindOrConnect>
+socket_t create_socket(const std::string &host, const std::string &ip, int port,
+ int address_family, int socket_flags, bool tcp_nodelay,
+ SocketOptions socket_options,
+ BindOrConnect bind_or_connect) {
+ // Get address info
+ const char *node = nullptr;
+ struct addrinfo hints;
+ struct addrinfo *result;
+
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = 0;
+
+ if (!ip.empty()) {
+ node = ip.c_str();
+ // Ask getaddrinfo to convert IP in c-string to address
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_flags = AI_NUMERICHOST;
+ } else {
+ if (!host.empty()) { node = host.c_str(); }
+ hints.ai_family = address_family;
+ hints.ai_flags = socket_flags;
+ }
+
+#ifndef _WIN32
+ if (hints.ai_family == AF_UNIX) {
+ const auto addrlen = host.length();
+ if (addrlen > sizeof(sockaddr_un::sun_path)) return INVALID_SOCKET;
+
+ auto sock = socket(hints.ai_family, hints.ai_socktype, hints.ai_protocol);
+ if (sock != INVALID_SOCKET) {
+ sockaddr_un addr{};
+ addr.sun_family = AF_UNIX;
+ std::copy(host.begin(), host.end(), addr.sun_path);
+
+ hints.ai_addr = reinterpret_cast<sockaddr *>(&addr);
+ hints.ai_addrlen = static_cast<socklen_t>(
+ sizeof(addr) - sizeof(addr.sun_path) + addrlen);
+
+ fcntl(sock, F_SETFD, FD_CLOEXEC);
+ if (socket_options) { socket_options(sock); }
+
+ if (!bind_or_connect(sock, hints)) {
+ close_socket(sock);
+ sock = INVALID_SOCKET;
+ }
+ }
+ return sock;
+ }
+#endif
+
+ auto service = std::to_string(port);
+
+ if (getaddrinfo(node, service.c_str(), &hints, &result)) {
+#if defined __linux__ && !defined __ANDROID__
+ res_init();
+#endif
+ return INVALID_SOCKET;
+ }
+
+ for (auto rp = result; rp; rp = rp->ai_next) {
+ // Create a socket
+#ifdef _WIN32
+ auto sock =
+ WSASocketW(rp->ai_family, rp->ai_socktype, rp->ai_protocol, nullptr, 0,
+ WSA_FLAG_NO_HANDLE_INHERIT | WSA_FLAG_OVERLAPPED);
+ /**
+ * Since the WSA_FLAG_NO_HANDLE_INHERIT is only supported on Windows 7 SP1
+ * and above the socket creation fails on older Windows Systems.
+ *
+ * Let's try to create a socket the old way in this case.
+ *
+ * Reference:
+ * https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketa
+ *
+ * WSA_FLAG_NO_HANDLE_INHERIT:
+ * This flag is supported on Windows 7 with SP1, Windows Server 2008 R2 with
+ * SP1, and later
+ *
+ */
+ if (sock == INVALID_SOCKET) {
+ sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+ }
+#else
+ auto sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+#endif
+ if (sock == INVALID_SOCKET) { continue; }
+
+#ifndef _WIN32
+ if (fcntl(sock, F_SETFD, FD_CLOEXEC) == -1) {
+ close_socket(sock);
+ continue;
+ }
+#endif
+
+ if (tcp_nodelay) {
+ int yes = 1;
+ setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<char *>(&yes),
+ sizeof(yes));
+ }
+
+ if (socket_options) { socket_options(sock); }
+
+ if (rp->ai_family == AF_INET6) {
+ int no = 0;
+ setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast<char *>(&no),
+ sizeof(no));
+ }
+
+ // bind or connect
+ if (bind_or_connect(sock, *rp)) {
+ freeaddrinfo(result);
+ return sock;
+ }
+
+ close_socket(sock);
+ }
+
+ freeaddrinfo(result);
+ return INVALID_SOCKET;
+}
+
+void set_nonblocking(socket_t sock, bool nonblocking) {
+#ifdef _WIN32
+ auto flags = nonblocking ? 1UL : 0UL;
+ ioctlsocket(sock, FIONBIO, &flags);
+#else
+ auto flags = fcntl(sock, F_GETFL, 0);
+ fcntl(sock, F_SETFL,
+ nonblocking ? (flags | O_NONBLOCK) : (flags & (~O_NONBLOCK)));
+#endif
+}
+
+bool is_connection_error() {
+#ifdef _WIN32
+ return WSAGetLastError() != WSAEWOULDBLOCK;
+#else
+ return errno != EINPROGRESS;
+#endif
+}
+
+bool bind_ip_address(socket_t sock, const std::string &host) {
+ struct addrinfo hints;
+ struct addrinfo *result;
+
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = 0;
+
+ if (getaddrinfo(host.c_str(), "0", &hints, &result)) { return false; }
+
+ auto ret = false;
+ for (auto rp = result; rp; rp = rp->ai_next) {
+ const auto &ai = *rp;
+ if (!::bind(sock, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen))) {
+ ret = true;
+ break;
+ }
+ }
+
+ freeaddrinfo(result);
+ return ret;
+}
+
+#if !defined _WIN32 && !defined ANDROID && !defined _AIX && !defined __MVS__
+#define USE_IF2IP
+#endif
+
+#ifdef USE_IF2IP
+std::string if2ip(int address_family, const std::string &ifn) {
+ struct ifaddrs *ifap;
+ getifaddrs(&ifap);
+ std::string addr_candidate;
+ for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) {
+ if (ifa->ifa_addr && ifn == ifa->ifa_name &&
+ (AF_UNSPEC == address_family ||
+ ifa->ifa_addr->sa_family == address_family)) {
+ if (ifa->ifa_addr->sa_family == AF_INET) {
+ auto sa = reinterpret_cast<struct sockaddr_in *>(ifa->ifa_addr);
+ char buf[INET_ADDRSTRLEN];
+ if (inet_ntop(AF_INET, &sa->sin_addr, buf, INET_ADDRSTRLEN)) {
+ freeifaddrs(ifap);
+ return std::string(buf, INET_ADDRSTRLEN);
+ }
+ } else if (ifa->ifa_addr->sa_family == AF_INET6) {
+ auto sa = reinterpret_cast<struct sockaddr_in6 *>(ifa->ifa_addr);
+ if (!IN6_IS_ADDR_LINKLOCAL(&sa->sin6_addr)) {
+ char buf[INET6_ADDRSTRLEN] = {};
+ if (inet_ntop(AF_INET6, &sa->sin6_addr, buf, INET6_ADDRSTRLEN)) {
+ // equivalent to mac's IN6_IS_ADDR_UNIQUE_LOCAL
+ auto s6_addr_head = sa->sin6_addr.s6_addr[0];
+ if (s6_addr_head == 0xfc || s6_addr_head == 0xfd) {
+ addr_candidate = std::string(buf, INET6_ADDRSTRLEN);
+ } else {
+ freeifaddrs(ifap);
+ return std::string(buf, INET6_ADDRSTRLEN);
+ }
+ }
+ }
+ }
+ }
+ }
+ freeifaddrs(ifap);
+ return addr_candidate;
+}
+#endif
+
+socket_t create_client_socket(
+ const std::string &host, const std::string &ip, int port,
+ int address_family, bool tcp_nodelay, SocketOptions socket_options,
+ time_t connection_timeout_sec, time_t connection_timeout_usec,
+ time_t read_timeout_sec, time_t read_timeout_usec, time_t write_timeout_sec,
+ time_t write_timeout_usec, const std::string &intf, Error &error) {
+ auto sock = create_socket(
+ host, ip, port, address_family, 0, tcp_nodelay, std::move(socket_options),
+ [&](socket_t sock2, struct addrinfo &ai) -> bool {
+ if (!intf.empty()) {
+#ifdef USE_IF2IP
+ auto ip_from_if = if2ip(address_family, intf);
+ if (ip_from_if.empty()) { ip_from_if = intf; }
+ if (!bind_ip_address(sock2, ip_from_if.c_str())) {
+ error = Error::BindIPAddress;
+ return false;
+ }
+#endif
+ }
+
+ set_nonblocking(sock2, true);
+
+ auto ret =
+ ::connect(sock2, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen));
+
+ if (ret < 0) {
+ if (is_connection_error()) {
+ error = Error::Connection;
+ return false;
+ }
+ error = wait_until_socket_is_ready(sock2, connection_timeout_sec,
+ connection_timeout_usec);
+ if (error != Error::Success) { return false; }
+ }
+
+ set_nonblocking(sock2, false);
+
+ {
+#ifdef _WIN32
+ auto timeout = static_cast<uint32_t>(read_timeout_sec * 1000 +
+ read_timeout_usec / 1000);
+ setsockopt(sock2, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout,
+ sizeof(timeout));
+#else
+ timeval tv;
+ tv.tv_sec = static_cast<long>(read_timeout_sec);
+ tv.tv_usec = static_cast<decltype(tv.tv_usec)>(read_timeout_usec);
+ setsockopt(sock2, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof(tv));
+#endif
+ }
+ {
+
+#ifdef _WIN32
+ auto timeout = static_cast<uint32_t>(write_timeout_sec * 1000 +
+ write_timeout_usec / 1000);
+ setsockopt(sock2, SOL_SOCKET, SO_SNDTIMEO, (char *)&timeout,
+ sizeof(timeout));
+#else
+ timeval tv;
+ tv.tv_sec = static_cast<long>(write_timeout_sec);
+ tv.tv_usec = static_cast<decltype(tv.tv_usec)>(write_timeout_usec);
+ setsockopt(sock2, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv, sizeof(tv));
+#endif
+ }
+
+ error = Error::Success;
+ return true;
+ });
+
+ if (sock != INVALID_SOCKET) {
+ error = Error::Success;
+ } else {
+ if (error == Error::Success) { error = Error::Connection; }
+ }
+
+ return sock;
+}
+
+bool get_ip_and_port(const struct sockaddr_storage &addr,
+ socklen_t addr_len, std::string &ip, int &port) {
+ if (addr.ss_family == AF_INET) {
+ port = ntohs(reinterpret_cast<const struct sockaddr_in *>(&addr)->sin_port);
+ } else if (addr.ss_family == AF_INET6) {
+ port =
+ ntohs(reinterpret_cast<const struct sockaddr_in6 *>(&addr)->sin6_port);
+ } else {
+ return false;
+ }
+
+ std::array<char, NI_MAXHOST> ipstr{};
+ if (getnameinfo(reinterpret_cast<const struct sockaddr *>(&addr), addr_len,
+ ipstr.data(), static_cast<socklen_t>(ipstr.size()), nullptr,
+ 0, NI_NUMERICHOST)) {
+ return false;
+ }
+
+ ip = ipstr.data();
+ return true;
+}
+
+void get_local_ip_and_port(socket_t sock, std::string &ip, int &port) {
+ struct sockaddr_storage addr;
+ socklen_t addr_len = sizeof(addr);
+ if (!getsockname(sock, reinterpret_cast<struct sockaddr *>(&addr),
+ &addr_len)) {
+ get_ip_and_port(addr, addr_len, ip, port);
+ }
+}
+
+void get_remote_ip_and_port(socket_t sock, std::string &ip, int &port) {
+ struct sockaddr_storage addr;
+ socklen_t addr_len = sizeof(addr);
+
+ if (!getpeername(sock, reinterpret_cast<struct sockaddr *>(&addr),
+ &addr_len)) {
+#ifndef _WIN32
+ if (addr.ss_family == AF_UNIX) {
+#if defined(__linux__)
+ struct ucred ucred;
+ socklen_t len = sizeof(ucred);
+ if (getsockopt(sock, SOL_SOCKET, SO_PEERCRED, &ucred, &len) == 0) {
+ port = ucred.pid;
+ }
+#elif defined(SOL_LOCAL) && defined(SO_PEERPID) // __APPLE__
+ pid_t pid;
+ socklen_t len = sizeof(pid);
+ if (getsockopt(sock, SOL_LOCAL, SO_PEERPID, &pid, &len) == 0) {
+ port = pid;
+ }
+#endif
+ return;
+ }
+#endif
+ get_ip_and_port(addr, addr_len, ip, port);
+ }
+}
+
+constexpr unsigned int str2tag_core(const char *s, size_t l,
+ unsigned int h) {
+ return (l == 0)
+ ? h
+ : str2tag_core(
+ s + 1, l - 1,
+ // Unsets the 6 high bits of h, therefore no overflow happens
+ (((std::numeric_limits<unsigned int>::max)() >> 6) &
+ h * 33) ^
+ static_cast<unsigned char>(*s));
+}
+
+unsigned int str2tag(const std::string &s) {
+ return str2tag_core(s.data(), s.size(), 0);
+}
+
+namespace udl {
+
+constexpr unsigned int operator"" _t(const char *s, size_t l) {
+ return str2tag_core(s, l, 0);
+}
+
+} // namespace udl
+
+const char *
+find_content_type(const std::string &path,
+ const std::map<std::string, std::string> &user_data) {
+ auto ext = file_extension(path);
+
+ auto it = user_data.find(ext);
+ if (it != user_data.end()) { return it->second.c_str(); }
+
+ using udl::operator""_t;
+
+ switch (str2tag(ext)) {
+ default: return nullptr;
+ case "css"_t: return "text/css";
+ case "csv"_t: return "text/csv";
+ case "htm"_t:
+ case "html"_t: return "text/html";
+ case "js"_t:
+ case "mjs"_t: return "text/javascript";
+ case "txt"_t: return "text/plain";
+ case "vtt"_t: return "text/vtt";
+
+ case "apng"_t: return "image/apng";
+ case "avif"_t: return "image/avif";
+ case "bmp"_t: return "image/bmp";
+ case "gif"_t: return "image/gif";
+ case "png"_t: return "image/png";
+ case "svg"_t: return "image/svg+xml";
+ case "webp"_t: return "image/webp";
+ case "ico"_t: return "image/x-icon";
+ case "tif"_t: return "image/tiff";
+ case "tiff"_t: return "image/tiff";
+ case "jpg"_t:
+ case "jpeg"_t: return "image/jpeg";
+
+ case "mp4"_t: return "video/mp4";
+ case "mpeg"_t: return "video/mpeg";
+ case "webm"_t: return "video/webm";
+
+ case "mp3"_t: return "audio/mp3";
+ case "mpga"_t: return "audio/mpeg";
+ case "weba"_t: return "audio/webm";
+ case "wav"_t: return "audio/wave";
+
+ case "otf"_t: return "font/otf";
+ case "ttf"_t: return "font/ttf";
+ case "woff"_t: return "font/woff";
+ case "woff2"_t: return "font/woff2";
+
+ case "7z"_t: return "application/x-7z-compressed";
+ case "atom"_t: return "application/atom+xml";
+ case "pdf"_t: return "application/pdf";
+ case "json"_t: return "application/json";
+ case "rss"_t: return "application/rss+xml";
+ case "tar"_t: return "application/x-tar";
+ case "xht"_t:
+ case "xhtml"_t: return "application/xhtml+xml";
+ case "xslt"_t: return "application/xslt+xml";
+ case "xml"_t: return "application/xml";
+ case "gz"_t: return "application/gzip";
+ case "zip"_t: return "application/zip";
+ case "wasm"_t: return "application/wasm";
+ }
+}
+
+const char *status_message(int status) {
+ switch (status) {
+ case 100: return "Continue";
+ case 101: return "Switching Protocol";
+ case 102: return "Processing";
+ case 103: return "Early Hints";
+ case 200: return "OK";
+ case 201: return "Created";
+ case 202: return "Accepted";
+ case 203: return "Non-Authoritative Information";
+ case 204: return "No Content";
+ case 205: return "Reset Content";
+ case 206: return "Partial Content";
+ case 207: return "Multi-Status";
+ case 208: return "Already Reported";
+ case 226: return "IM Used";
+ case 300: return "Multiple Choice";
+ case 301: return "Moved Permanently";
+ case 302: return "Found";
+ case 303: return "See Other";
+ case 304: return "Not Modified";
+ case 305: return "Use Proxy";
+ case 306: return "unused";
+ case 307: return "Temporary Redirect";
+ case 308: return "Permanent Redirect";
+ case 400: return "Bad Request";
+ case 401: return "Unauthorized";
+ case 402: return "Payment Required";
+ case 403: return "Forbidden";
+ case 404: return "Not Found";
+ case 405: return "Method Not Allowed";
+ case 406: return "Not Acceptable";
+ case 407: return "Proxy Authentication Required";
+ case 408: return "Request Timeout";
+ case 409: return "Conflict";
+ case 410: return "Gone";
+ case 411: return "Length Required";
+ case 412: return "Precondition Failed";
+ case 413: return "Payload Too Large";
+ case 414: return "URI Too Long";
+ case 415: return "Unsupported Media Type";
+ case 416: return "Range Not Satisfiable";
+ case 417: return "Expectation Failed";
+ case 418: return "I'm a teapot";
+ case 421: return "Misdirected Request";
+ case 422: return "Unprocessable Entity";
+ case 423: return "Locked";
+ case 424: return "Failed Dependency";
+ case 425: return "Too Early";
+ case 426: return "Upgrade Required";
+ case 428: return "Precondition Required";
+ case 429: return "Too Many Requests";
+ case 431: return "Request Header Fields Too Large";
+ case 451: return "Unavailable For Legal Reasons";
+ case 501: return "Not Implemented";
+ case 502: return "Bad Gateway";
+ case 503: return "Service Unavailable";
+ case 504: return "Gateway Timeout";
+ case 505: return "HTTP Version Not Supported";
+ case 506: return "Variant Also Negotiates";
+ case 507: return "Insufficient Storage";
+ case 508: return "Loop Detected";
+ case 510: return "Not Extended";
+ case 511: return "Network Authentication Required";
+
+ default:
+ case 500: return "Internal Server Error";
+ }
+}
+
+bool can_compress_content_type(const std::string &content_type) {
+ using udl::operator""_t;
+
+ auto tag = str2tag(content_type);
+
+ switch (tag) {
+ case "image/svg+xml"_t:
+ case "application/javascript"_t:
+ case "application/json"_t:
+ case "application/xml"_t:
+ case "application/protobuf"_t:
+ case "application/xhtml+xml"_t: return true;
+
+ default:
+ return !content_type.rfind("text/", 0) && tag != "text/event-stream"_t;
+ }
+}
+
+EncodingType encoding_type(const Request &req, const Response &res) {
+ auto ret =
+ detail::can_compress_content_type(res.get_header_value("Content-Type"));
+ if (!ret) { return EncodingType::None; }
+
+ const auto &s = req.get_header_value("Accept-Encoding");
+ (void)(s);
+
+#ifdef CPPHTTPLIB_BROTLI_SUPPORT
+ // TODO: 'Accept-Encoding' has br, not br;q=0
+ ret = s.find("br") != std::string::npos;
+ if (ret) { return EncodingType::Brotli; }
+#endif
+
+#ifdef CPPHTTPLIB_ZLIB_SUPPORT
+ // TODO: 'Accept-Encoding' has gzip, not gzip;q=0
+ ret = s.find("gzip") != std::string::npos;
+ if (ret) { return EncodingType::Gzip; }
+#endif
+
+ return EncodingType::None;
+}
+
+bool nocompressor::compress(const char *data, size_t data_length,
+ bool /*last*/, Callback callback) {
+ if (!data_length) { return true; }
+ return callback(data, data_length);
+}
+
+#ifdef CPPHTTPLIB_ZLIB_SUPPORT
+gzip_compressor::gzip_compressor() {
+ std::memset(&strm_, 0, sizeof(strm_));
+ strm_.zalloc = Z_NULL;
+ strm_.zfree = Z_NULL;
+ strm_.opaque = Z_NULL;
+
+ is_valid_ = deflateInit2(&strm_, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8,
+ Z_DEFAULT_STRATEGY) == Z_OK;
+}
+
+gzip_compressor::~gzip_compressor() { deflateEnd(&strm_); }
+
+bool gzip_compressor::compress(const char *data, size_t data_length,
+ bool last, Callback callback) {
+ assert(is_valid_);
+
+ do {
+ constexpr size_t max_avail_in =
+ (std::numeric_limits<decltype(strm_.avail_in)>::max)();
+
+ strm_.avail_in = static_cast<decltype(strm_.avail_in)>(
+ (std::min)(data_length, max_avail_in));
+ strm_.next_in = const_cast<Bytef *>(reinterpret_cast<const Bytef *>(data));
+
+ data_length -= strm_.avail_in;
+ data += strm_.avail_in;
+
+ auto flush = (last && data_length == 0) ? Z_FINISH : Z_NO_FLUSH;
+ int ret = Z_OK;
+
+ std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{};
+ do {
+ strm_.avail_out = static_cast<uInt>(buff.size());
+ strm_.next_out = reinterpret_cast<Bytef *>(buff.data());
+
+ ret = deflate(&strm_, flush);
+ if (ret == Z_STREAM_ERROR) { return false; }
+
+ if (!callback(buff.data(), buff.size() - strm_.avail_out)) {
+ return false;
+ }
+ } while (strm_.avail_out == 0);
+
+ assert((flush == Z_FINISH && ret == Z_STREAM_END) ||
+ (flush == Z_NO_FLUSH && ret == Z_OK));
+ assert(strm_.avail_in == 0);
+ } while (data_length > 0);
+
+ return true;
+}
+
+gzip_decompressor::gzip_decompressor() {
+ std::memset(&strm_, 0, sizeof(strm_));
+ strm_.zalloc = Z_NULL;
+ strm_.zfree = Z_NULL;
+ strm_.opaque = Z_NULL;
+
+ // 15 is the value of wbits, which should be at the maximum possible value
+ // to ensure that any gzip stream can be decoded. The offset of 32 specifies
+ // that the stream type should be automatically detected either gzip or
+ // deflate.
+ is_valid_ = inflateInit2(&strm_, 32 + 15) == Z_OK;
+}
+
+gzip_decompressor::~gzip_decompressor() { inflateEnd(&strm_); }
+
+bool gzip_decompressor::is_valid() const { return is_valid_; }
+
+bool gzip_decompressor::decompress(const char *data, size_t data_length,
+ Callback callback) {
+ assert(is_valid_);
+
+ int ret = Z_OK;
+
+ do {
+ constexpr size_t max_avail_in =
+ (std::numeric_limits<decltype(strm_.avail_in)>::max)();
+
+ strm_.avail_in = static_cast<decltype(strm_.avail_in)>(
+ (std::min)(data_length, max_avail_in));
+ strm_.next_in = const_cast<Bytef *>(reinterpret_cast<const Bytef *>(data));
+
+ data_length -= strm_.avail_in;
+ data += strm_.avail_in;
+
+ std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{};
+ while (strm_.avail_in > 0) {
+ strm_.avail_out = static_cast<uInt>(buff.size());
+ strm_.next_out = reinterpret_cast<Bytef *>(buff.data());
+
+ auto prev_avail_in = strm_.avail_in;
+
+ ret = inflate(&strm_, Z_NO_FLUSH);
+
+ if (prev_avail_in - strm_.avail_in == 0) { return false; }
+
+ assert(ret != Z_STREAM_ERROR);
+ switch (ret) {
+ case Z_NEED_DICT:
+ case Z_DATA_ERROR:
+ case Z_MEM_ERROR: inflateEnd(&strm_); return false;
+ }
+
+ if (!callback(buff.data(), buff.size() - strm_.avail_out)) {
+ return false;
+ }
+ }
+
+ if (ret != Z_OK && ret != Z_STREAM_END) return false;
+
+ } while (data_length > 0);
+
+ return true;
+}
+#endif
+
+#ifdef CPPHTTPLIB_BROTLI_SUPPORT
+brotli_compressor::brotli_compressor() {
+ state_ = BrotliEncoderCreateInstance(nullptr, nullptr, nullptr);
+}
+
+brotli_compressor::~brotli_compressor() {
+ BrotliEncoderDestroyInstance(state_);
+}
+
+bool brotli_compressor::compress(const char *data, size_t data_length,
+ bool last, Callback callback) {
+ std::array<uint8_t, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{};
+
+ auto operation = last ? BROTLI_OPERATION_FINISH : BROTLI_OPERATION_PROCESS;
+ auto available_in = data_length;
+ auto next_in = reinterpret_cast<const uint8_t *>(data);
+
+ for (;;) {
+ if (last) {
+ if (BrotliEncoderIsFinished(state_)) { break; }
+ } else {
+ if (!available_in) { break; }
+ }
+
+ auto available_out = buff.size();
+ auto next_out = buff.data();
+
+ if (!BrotliEncoderCompressStream(state_, operation, &available_in, &next_in,
+ &available_out, &next_out, nullptr)) {
+ return false;
+ }
+
+ auto output_bytes = buff.size() - available_out;
+ if (output_bytes) {
+ callback(reinterpret_cast<const char *>(buff.data()), output_bytes);
+ }
+ }
+
+ return true;
+}
+
+brotli_decompressor::brotli_decompressor() {
+ decoder_s = BrotliDecoderCreateInstance(0, 0, 0);
+ decoder_r = decoder_s ? BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT
+ : BROTLI_DECODER_RESULT_ERROR;
+}
+
+brotli_decompressor::~brotli_decompressor() {
+ if (decoder_s) { BrotliDecoderDestroyInstance(decoder_s); }
+}
+
+bool brotli_decompressor::is_valid() const { return decoder_s; }
+
+bool brotli_decompressor::decompress(const char *data,
+ size_t data_length,
+ Callback callback) {
+ if (decoder_r == BROTLI_DECODER_RESULT_SUCCESS ||
+ decoder_r == BROTLI_DECODER_RESULT_ERROR) {
+ return 0;
+ }
+
+ const uint8_t *next_in = (const uint8_t *)data;
+ size_t avail_in = data_length;
+ size_t total_out;
+
+ decoder_r = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT;
+
+ std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{};
+ while (decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) {
+ char *next_out = buff.data();
+ size_t avail_out = buff.size();
+
+ decoder_r = BrotliDecoderDecompressStream(
+ decoder_s, &avail_in, &next_in, &avail_out,
+ reinterpret_cast<uint8_t **>(&next_out), &total_out);
+
+ if (decoder_r == BROTLI_DECODER_RESULT_ERROR) { return false; }
+
+ if (!callback(buff.data(), buff.size() - avail_out)) { return false; }
+ }
+
+ return decoder_r == BROTLI_DECODER_RESULT_SUCCESS ||
+ decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT;
+}
+#endif
+
+bool has_header(const Headers &headers, const std::string &key) {
+ return headers.find(key) != headers.end();
+}
+
+const char *get_header_value(const Headers &headers,
+ const std::string &key, size_t id,
+ const char *def) {
+ auto rng = headers.equal_range(key);
+ auto it = rng.first;
+ std::advance(it, static_cast<ssize_t>(id));
+ if (it != rng.second) { return it->second.c_str(); }
+ return def;
+}
+
+bool compare_case_ignore(const std::string &a, const std::string &b) {
+ if (a.size() != b.size()) { return false; }
+ for (size_t i = 0; i < b.size(); i++) {
+ if (::tolower(a[i]) != ::tolower(b[i])) { return false; }
+ }
+ return true;
+}
+
+template <typename T>
+bool parse_header(const char *beg, const char *end, T fn) {
+ // Skip trailing spaces and tabs.
+ while (beg < end && is_space_or_tab(end[-1])) {
+ end--;
+ }
+
+ auto p = beg;
+ while (p < end && *p != ':') {
+ p++;
+ }
+
+ if (p == end) { return false; }
+
+ auto key_end = p;
+
+ if (*p++ != ':') { return false; }
+
+ while (p < end && is_space_or_tab(*p)) {
+ p++;
+ }
+
+ if (p < end) {
+ auto key = std::string(beg, key_end);
+ auto val = compare_case_ignore(key, "Location")
+ ? std::string(p, end)
+ : decode_url(std::string(p, end), false);
+ fn(std::move(key), std::move(val));
+ return true;
+ }
+
+ return false;
+}
+
+bool read_headers(Stream &strm, Headers &headers) {
+ const auto bufsiz = 2048;
+ char buf[bufsiz];
+ stream_line_reader line_reader(strm, buf, bufsiz);
+
+ for (;;) {
+ if (!line_reader.getline()) { return false; }
+
+ // Check if the line ends with CRLF.
+ auto line_terminator_len = 2;
+ if (line_reader.end_with_crlf()) {
+ // Blank line indicates end of headers.
+ if (line_reader.size() == 2) { break; }
+#ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR
+ } else {
+ // Blank line indicates end of headers.
+ if (line_reader.size() == 1) { break; }
+ line_terminator_len = 1;
+ }
+#else
+ } else {
+ continue; // Skip invalid line.
+ }
+#endif
+
+ if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; }
+
+ // Exclude line terminator
+ auto end = line_reader.ptr() + line_reader.size() - line_terminator_len;
+
+ parse_header(line_reader.ptr(), end,
+ [&](std::string &&key, std::string &&val) {
+ headers.emplace(std::move(key), std::move(val));
+ });
+ }
+
+ return true;
+}
+
+bool read_content_with_length(Stream &strm, uint64_t len,
+ Progress progress,
+ ContentReceiverWithProgress out) {
+ char buf[CPPHTTPLIB_RECV_BUFSIZ];
+
+ uint64_t r = 0;
+ while (r < len) {
+ auto read_len = static_cast<size_t>(len - r);
+ auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ));
+ if (n <= 0) { return false; }
+
+ if (!out(buf, static_cast<size_t>(n), r, len)) { return false; }
+ r += static_cast<uint64_t>(n);
+
+ if (progress) {
+ if (!progress(r, len)) { return false; }
+ }
+ }
+
+ return true;
+}
+
+void skip_content_with_length(Stream &strm, uint64_t len) {
+ char buf[CPPHTTPLIB_RECV_BUFSIZ];
+ uint64_t r = 0;
+ while (r < len) {
+ auto read_len = static_cast<size_t>(len - r);
+ auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ));
+ if (n <= 0) { return; }
+ r += static_cast<uint64_t>(n);
+ }
+}
+
+bool read_content_without_length(Stream &strm,
+ ContentReceiverWithProgress out) {
+ char buf[CPPHTTPLIB_RECV_BUFSIZ];
+ uint64_t r = 0;
+ for (;;) {
+ auto n = strm.read(buf, CPPHTTPLIB_RECV_BUFSIZ);
+ if (n < 0) {
+ return false;
+ } else if (n == 0) {
+ return true;
+ }
+
+ if (!out(buf, static_cast<size_t>(n), r, 0)) { return false; }
+ r += static_cast<uint64_t>(n);
+ }
+
+ return true;
+}
+
+template <typename T>
+bool read_content_chunked(Stream &strm, T &x,
+ ContentReceiverWithProgress out) {
+ const auto bufsiz = 16;
+ char buf[bufsiz];
+
+ stream_line_reader line_reader(strm, buf, bufsiz);
+
+ if (!line_reader.getline()) { return false; }
+
+ unsigned long chunk_len;
+ while (true) {
+ char *end_ptr;
+
+ chunk_len = std::strtoul(line_reader.ptr(), &end_ptr, 16);
+
+ if (end_ptr == line_reader.ptr()) { return false; }
+ if (chunk_len == ULONG_MAX) { return false; }
+
+ if (chunk_len == 0) { break; }
+
+ if (!read_content_with_length(strm, chunk_len, nullptr, out)) {
+ return false;
+ }
+
+ if (!line_reader.getline()) { return false; }
+
+ if (strcmp(line_reader.ptr(), "\r\n")) { return false; }
+
+ if (!line_reader.getline()) { return false; }
+ }
+
+ assert(chunk_len == 0);
+
+ // Trailer
+ if (!line_reader.getline()) { return false; }
+
+ while (strcmp(line_reader.ptr(), "\r\n")) {
+ if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; }
+
+ // Exclude line terminator
+ constexpr auto line_terminator_len = 2;
+ auto end = line_reader.ptr() + line_reader.size() - line_terminator_len;
+
+ parse_header(line_reader.ptr(), end,
+ [&](std::string &&key, std::string &&val) {
+ x.headers.emplace(std::move(key), std::move(val));
+ });
+
+ if (!line_reader.getline()) { return false; }
+ }
+
+ return true;
+}
+
+bool is_chunked_transfer_encoding(const Headers &headers) {
+ return !strcasecmp(get_header_value(headers, "Transfer-Encoding", 0, ""),
+ "chunked");
+}
+
+template <typename T, typename U>
+bool prepare_content_receiver(T &x, int &status,
+ ContentReceiverWithProgress receiver,
+ bool decompress, U callback) {
+ if (decompress) {
+ std::string encoding = x.get_header_value("Content-Encoding");
+ std::unique_ptr<decompressor> decompressor;
+
+ if (encoding == "gzip" || encoding == "deflate") {
+#ifdef CPPHTTPLIB_ZLIB_SUPPORT
+ decompressor = detail::make_unique<gzip_decompressor>();
+#else
+ status = 415;
+ return false;
+#endif
+ } else if (encoding.find("br") != std::string::npos) {
+#ifdef CPPHTTPLIB_BROTLI_SUPPORT
+ decompressor = detail::make_unique<brotli_decompressor>();
+#else
+ status = 415;
+ return false;
+#endif
+ }
+
+ if (decompressor) {
+ if (decompressor->is_valid()) {
+ ContentReceiverWithProgress out = [&](const char *buf, size_t n,
+ uint64_t off, uint64_t len) {
+ return decompressor->decompress(buf, n,
+ [&](const char *buf2, size_t n2) {
+ return receiver(buf2, n2, off, len);
+ });
+ };
+ return callback(std::move(out));
+ } else {
+ status = 500;
+ return false;
+ }
+ }
+ }
+
+ ContentReceiverWithProgress out = [&](const char *buf, size_t n, uint64_t off,
+ uint64_t len) {
+ return receiver(buf, n, off, len);
+ };
+ return callback(std::move(out));
+}
+
+template <typename T>
+bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status,
+ Progress progress, ContentReceiverWithProgress receiver,
+ bool decompress) {
+ return prepare_content_receiver(
+ x, status, std::move(receiver), decompress,
+ [&](const ContentReceiverWithProgress &out) {
+ auto ret = true;
+ auto exceed_payload_max_length = false;
+
+ if (is_chunked_transfer_encoding(x.headers)) {
+ ret = read_content_chunked(strm, x, out);
+ } else if (!has_header(x.headers, "Content-Length")) {
+ ret = read_content_without_length(strm, out);
+ } else {
+ auto len = get_header_value<uint64_t>(x.headers, "Content-Length");
+ if (len > payload_max_length) {
+ exceed_payload_max_length = true;
+ skip_content_with_length(strm, len);
+ ret = false;
+ } else if (len > 0) {
+ ret = read_content_with_length(strm, len, std::move(progress), out);
+ }
+ }
+
+ if (!ret) { status = exceed_payload_max_length ? 413 : 400; }
+ return ret;
+ });
+} // namespace detail
+
+ssize_t write_headers(Stream &strm, const Headers &headers) {
+ ssize_t write_len = 0;
+ for (const auto &x : headers) {
+ auto len =
+ strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str());
+ if (len < 0) { return len; }
+ write_len += len;
+ }
+ auto len = strm.write("\r\n");
+ if (len < 0) { return len; }
+ write_len += len;
+ return write_len;
+}
+
+bool write_data(Stream &strm, const char *d, size_t l) {
+ size_t offset = 0;
+ while (offset < l) {
+ auto length = strm.write(d + offset, l - offset);
+ if (length < 0) { return false; }
+ offset += static_cast<size_t>(length);
+ }
+ return true;
+}
+
+template <typename T>
+bool write_content(Stream &strm, const ContentProvider &content_provider,
+ size_t offset, size_t length, T is_shutting_down,
+ Error &error) {
+ size_t end_offset = offset + length;
+ auto ok = true;
+ DataSink data_sink;
+
+ data_sink.write = [&](const char *d, size_t l) -> bool {
+ if (ok) {
+ if (strm.is_writable() && write_data(strm, d, l)) {
+ offset += l;
+ } else {
+ ok = false;
+ }
+ }
+ return ok;
+ };
+
+ while (offset < end_offset && !is_shutting_down()) {
+ if (!strm.is_writable()) {
+ error = Error::Write;
+ return false;
+ } else if (!content_provider(offset, end_offset - offset, data_sink)) {
+ error = Error::Canceled;
+ return false;
+ } else if (!ok) {
+ error = Error::Write;
+ return false;
+ }
+ }
+
+ error = Error::Success;
+ return true;
+}
+
+template <typename T>
+bool write_content(Stream &strm, const ContentProvider &content_provider,
+ size_t offset, size_t length,
+ const T &is_shutting_down) {
+ auto error = Error::Success;
+ return write_content(strm, content_provider, offset, length, is_shutting_down,
+ error);
+}
+
+template <typename T>
+bool
+write_content_without_length(Stream &strm,
+ const ContentProvider &content_provider,
+ const T &is_shutting_down) {
+ size_t offset = 0;
+ auto data_available = true;
+ auto ok = true;
+ DataSink data_sink;
+
+ data_sink.write = [&](const char *d, size_t l) -> bool {
+ if (ok) {
+ offset += l;
+ if (!strm.is_writable() || !write_data(strm, d, l)) { ok = false; }
+ }
+ return ok;
+ };
+
+ data_sink.done = [&](void) { data_available = false; };
+
+ while (data_available && !is_shutting_down()) {
+ if (!strm.is_writable()) {
+ return false;
+ } else if (!content_provider(offset, 0, data_sink)) {
+ return false;
+ } else if (!ok) {
+ return false;
+ }
+ }
+ return true;
+}
+
+template <typename T, typename U>
+bool
+write_content_chunked(Stream &strm, const ContentProvider &content_provider,
+ const T &is_shutting_down, U &compressor, Error &error) {
+ size_t offset = 0;
+ auto data_available = true;
+ auto ok = true;
+ DataSink data_sink;
+
+ data_sink.write = [&](const char *d, size_t l) -> bool {
+ if (ok) {
+ data_available = l > 0;
+ offset += l;
+
+ std::string payload;
+ if (compressor.compress(d, l, false,
+ [&](const char *data, size_t data_len) {
+ payload.append(data, data_len);
+ return true;
+ })) {
+ if (!payload.empty()) {
+ // Emit chunked response header and footer for each chunk
+ auto chunk =
+ from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n";
+ if (!strm.is_writable() ||
+ !write_data(strm, chunk.data(), chunk.size())) {
+ ok = false;
+ }
+ }
+ } else {
+ ok = false;
+ }
+ }
+ return ok;
+ };
+
+ auto done_with_trailer = [&](const Headers *trailer) {
+ if (!ok) { return; }
+
+ data_available = false;
+
+ std::string payload;
+ if (!compressor.compress(nullptr, 0, true,
+ [&](const char *data, size_t data_len) {
+ payload.append(data, data_len);
+ return true;
+ })) {
+ ok = false;
+ return;
+ }
+
+ if (!payload.empty()) {
+ // Emit chunked response header and footer for each chunk
+ auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n";
+ if (!strm.is_writable() ||
+ !write_data(strm, chunk.data(), chunk.size())) {
+ ok = false;
+ return;
+ }
+ }
+
+ static const std::string done_marker("0\r\n");
+ if (!write_data(strm, done_marker.data(), done_marker.size())) {
+ ok = false;
+ }
+
+ // Trailer
+ if (trailer) {
+ for (const auto &kv : *trailer) {
+ std::string field_line = kv.first + ": " + kv.second + "\r\n";
+ if (!write_data(strm, field_line.data(), field_line.size())) {
+ ok = false;
+ }
+ }
+ }
+
+ static const std::string crlf("\r\n");
+ if (!write_data(strm, crlf.data(), crlf.size())) { ok = false; }
+ };
+
+ data_sink.done = [&](void) { done_with_trailer(nullptr); };
+
+ data_sink.done_with_trailer = [&](const Headers &trailer) {
+ done_with_trailer(&trailer);
+ };
+
+ while (data_available && !is_shutting_down()) {
+ if (!strm.is_writable()) {
+ error = Error::Write;
+ return false;
+ } else if (!content_provider(offset, 0, data_sink)) {
+ error = Error::Canceled;
+ return false;
+ } else if (!ok) {
+ error = Error::Write;
+ return false;
+ }
+ }
+
+ error = Error::Success;
+ return true;
+}
+
+template <typename T, typename U>
+bool write_content_chunked(Stream &strm,
+ const ContentProvider &content_provider,
+ const T &is_shutting_down, U &compressor) {
+ auto error = Error::Success;
+ return write_content_chunked(strm, content_provider, is_shutting_down,
+ compressor, error);
+}
+
+template <typename T>
+bool redirect(T &cli, Request &req, Response &res,
+ const std::string &path, const std::string &location,
+ Error &error) {
+ Request new_req = req;
+ new_req.path = path;
+ new_req.redirect_count_ -= 1;
+
+ if (res.status == 303 && (req.method != "GET" && req.method != "HEAD")) {
+ new_req.method = "GET";
+ new_req.body.clear();
+ new_req.headers.clear();
+ }
+
+ Response new_res;
+
+ auto ret = cli.send(new_req, new_res, error);
+ if (ret) {
+ req = new_req;
+ res = new_res;
+ res.location = location;
+ }
+ return ret;
+}
+
+std::string params_to_query_str(const Params ¶ms) {
+ std::string query;
+
+ for (auto it = params.begin(); it != params.end(); ++it) {
+ if (it != params.begin()) { query += "&"; }
+ query += it->first;
+ query += "=";
+ query += encode_query_param(it->second);
+ }
+ return query;
+}
+
+void parse_query_text(const std::string &s, Params ¶ms) {
+ std::set<std::string> cache;
+ split(s.data(), s.data() + s.size(), '&', [&](const char *b, const char *e) {
+ std::string kv(b, e);
+ if (cache.find(kv) != cache.end()) { return; }
+ cache.insert(kv);
+
+ std::string key;
+ std::string val;
+ split(b, e, '=', [&](const char *b2, const char *e2) {
+ if (key.empty()) {
+ key.assign(b2, e2);
+ } else {
+ val.assign(b2, e2);
+ }
+ });
+
+ if (!key.empty()) {
+ params.emplace(decode_url(key, true), decode_url(val, true));
+ }
+ });
+}
+
+bool parse_multipart_boundary(const std::string &content_type,
+ std::string &boundary) {
+ auto boundary_keyword = "boundary=";
+ auto pos = content_type.find(boundary_keyword);
+ if (pos == std::string::npos) { return false; }
+ auto end = content_type.find(';', pos);
+ auto beg = pos + strlen(boundary_keyword);
+ boundary = content_type.substr(beg, end - beg);
+ if (boundary.length() >= 2 && boundary.front() == '"' &&
+ boundary.back() == '"') {
+ boundary = boundary.substr(1, boundary.size() - 2);
+ }
+ return !boundary.empty();
+}
+
+#ifdef CPPHTTPLIB_NO_EXCEPTIONS
+bool parse_range_header(const std::string &s, Ranges &ranges) {
+#else
+bool parse_range_header(const std::string &s, Ranges &ranges) try {
+#endif
+ static auto re_first_range = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))");
+ std::smatch m;
+ if (std::regex_match(s, m, re_first_range)) {
+ auto pos = static_cast<size_t>(m.position(1));
+ auto len = static_cast<size_t>(m.length(1));
+ bool all_valid_ranges = true;
+ split(&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) {
+ if (!all_valid_ranges) return;
+ static auto re_another_range = std::regex(R"(\s*(\d*)-(\d*))");
+ std::cmatch cm;
+ if (std::regex_match(b, e, cm, re_another_range)) {
+ ssize_t first = -1;
+ if (!cm.str(1).empty()) {
+ first = static_cast<ssize_t>(std::stoll(cm.str(1)));
+ }
+
+ ssize_t last = -1;
+ if (!cm.str(2).empty()) {
+ last = static_cast<ssize_t>(std::stoll(cm.str(2)));
+ }
+
+ if (first != -1 && last != -1 && first > last) {
+ all_valid_ranges = false;
+ return;
+ }
+ ranges.emplace_back(std::make_pair(first, last));
+ }
+ });
+ return all_valid_ranges;
+ }
+ return false;
+#ifdef CPPHTTPLIB_NO_EXCEPTIONS
+}
+#else
+} catch (...) { return false; }
+#endif
+
+class MultipartFormDataParser {
+public:
+ MultipartFormDataParser() = default;
+
+ void set_boundary(std::string &&boundary) {
+ boundary_ = boundary;
+ dash_boundary_crlf_ = dash_ + boundary_ + crlf_;
+ crlf_dash_boundary_ = crlf_ + dash_ + boundary_;
+ }
+
+ bool is_valid() const { return is_valid_; }
+
+ bool parse(const char *buf, size_t n, const ContentReceiver &content_callback,
+ const MultipartContentHeader &header_callback) {
+
+ // TODO: support 'filename*'
+ static const std::regex re_content_disposition(
+ R"~(^Content-Disposition:\s*form-data;\s*name="(.*?)"(?:;\s*filename="(.*?)")?(?:;\s*filename\*=\S+)?\s*$)~",
+ std::regex_constants::icase);
+
+ buf_append(buf, n);
+
+ while (buf_size() > 0) {
+ switch (state_) {
+ case 0: { // Initial boundary
+ buf_erase(buf_find(dash_boundary_crlf_));
+ if (dash_boundary_crlf_.size() > buf_size()) { return true; }
+ if (!buf_start_with(dash_boundary_crlf_)) { return false; }
+ buf_erase(dash_boundary_crlf_.size());
+ state_ = 1;
+ break;
+ }
+ case 1: { // New entry
+ clear_file_info();
+ state_ = 2;
+ break;
+ }
+ case 2: { // Headers
+ auto pos = buf_find(crlf_);
+ if (pos > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; }
+ while (pos < buf_size()) {
+ // Empty line
+ if (pos == 0) {
+ if (!header_callback(file_)) {
+ is_valid_ = false;
+ return false;
+ }
+ buf_erase(crlf_.size());
+ state_ = 3;
+ break;
+ }
+
+ static const std::string header_name = "content-type:";
+ const auto header = buf_head(pos);
+ if (start_with_case_ignore(header, header_name)) {
+ file_.content_type = trim_copy(header.substr(header_name.size()));
+ } else {
+ std::smatch m;
+ if (std::regex_match(header, m, re_content_disposition)) {
+ file_.name = m[1];
+ file_.filename = m[2];
+ } else {
+ is_valid_ = false;
+ return false;
+ }
+ }
+ buf_erase(pos + crlf_.size());
+ pos = buf_find(crlf_);
+ }
+ if (state_ != 3) { return true; }
+ break;
+ }
+ case 3: { // Body
+ if (crlf_dash_boundary_.size() > buf_size()) { return true; }
+ auto pos = buf_find(crlf_dash_boundary_);
+ if (pos < buf_size()) {
+ if (!content_callback(buf_data(), pos)) {
+ is_valid_ = false;
+ return false;
+ }
+ buf_erase(pos + crlf_dash_boundary_.size());
+ state_ = 4;
+ } else {
+ auto len = buf_size() - crlf_dash_boundary_.size();
+ if (len > 0) {
+ if (!content_callback(buf_data(), len)) {
+ is_valid_ = false;
+ return false;
+ }
+ buf_erase(len);
+ }
+ return true;
+ }
+ break;
+ }
+ case 4: { // Boundary
+ if (crlf_.size() > buf_size()) { return true; }
+ if (buf_start_with(crlf_)) {
+ buf_erase(crlf_.size());
+ state_ = 1;
+ } else {
+ if (dash_crlf_.size() > buf_size()) { return true; }
+ if (buf_start_with(dash_crlf_)) {
+ buf_erase(dash_crlf_.size());
+ is_valid_ = true;
+ buf_erase(buf_size()); // Remove epilogue
+ } else {
+ return true;
+ }
+ }
+ break;
+ }
+ }
+ }
+
+ return true;
+ }
+
+private:
+ void clear_file_info() {
+ file_.name.clear();
+ file_.filename.clear();
+ file_.content_type.clear();
+ }
+
+ bool start_with_case_ignore(const std::string &a,
+ const std::string &b) const {
+ if (a.size() < b.size()) { return false; }
+ for (size_t i = 0; i < b.size(); i++) {
+ if (::tolower(a[i]) != ::tolower(b[i])) { return false; }
+ }
+ return true;
+ }
+
+ const std::string dash_ = "--";
+ const std::string crlf_ = "\r\n";
+ const std::string dash_crlf_ = "--\r\n";
+ std::string boundary_;
+ std::string dash_boundary_crlf_;
+ std::string crlf_dash_boundary_;
+
+ size_t state_ = 0;
+ bool is_valid_ = false;
+ MultipartFormData file_;
+
+ // Buffer
+ bool start_with(const std::string &a, size_t spos, size_t epos,
+ const std::string &b) const {
+ if (epos - spos < b.size()) { return false; }
+ for (size_t i = 0; i < b.size(); i++) {
+ if (a[i + spos] != b[i]) { return false; }
+ }
+ return true;
+ }
+
+ size_t buf_size() const { return buf_epos_ - buf_spos_; }
+
+ const char *buf_data() const { return &buf_[buf_spos_]; }
+
+ std::string buf_head(size_t l) const { return buf_.substr(buf_spos_, l); }
+
+ bool buf_start_with(const std::string &s) const {
+ return start_with(buf_, buf_spos_, buf_epos_, s);
+ }
+
+ size_t buf_find(const std::string &s) const {
+ auto c = s.front();
+
+ size_t off = buf_spos_;
+ while (off < buf_epos_) {
+ auto pos = off;
+ while (true) {
+ if (pos == buf_epos_) { return buf_size(); }
+ if (buf_[pos] == c) { break; }
+ pos++;
+ }
+
+ auto remaining_size = buf_epos_ - pos;
+ if (s.size() > remaining_size) { return buf_size(); }
+
+ if (start_with(buf_, pos, buf_epos_, s)) { return pos - buf_spos_; }
+
+ off = pos + 1;
+ }
+
+ return buf_size();
+ }
+
+ void buf_append(const char *data, size_t n) {
+ auto remaining_size = buf_size();
+ if (remaining_size > 0 && buf_spos_ > 0) {
+ for (size_t i = 0; i < remaining_size; i++) {
+ buf_[i] = buf_[buf_spos_ + i];
+ }
+ }
+ buf_spos_ = 0;
+ buf_epos_ = remaining_size;
+
+ if (remaining_size + n > buf_.size()) { buf_.resize(remaining_size + n); }
+
+ for (size_t i = 0; i < n; i++) {
+ buf_[buf_epos_ + i] = data[i];
+ }
+ buf_epos_ += n;
+ }
+
+ void buf_erase(size_t size) { buf_spos_ += size; }
+
+ std::string buf_;
+ size_t buf_spos_ = 0;
+ size_t buf_epos_ = 0;
+};
+
+std::string to_lower(const char *beg, const char *end) {
+ std::string out;
+ auto it = beg;
+ while (it != end) {
+ out += static_cast<char>(::tolower(*it));
+ it++;
+ }
+ return out;
+}
+
+std::string make_multipart_data_boundary() {
+ static const char data[] =
+ "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+
+ // std::random_device might actually be deterministic on some
+ // platforms, but due to lack of support in the c++ standard library,
+ // doing better requires either some ugly hacks or breaking portability.
+ std::random_device seed_gen;
+
+ // Request 128 bits of entropy for initialization
+ std::seed_seq seed_sequence{seed_gen(), seed_gen(), seed_gen(), seed_gen()};
+ std::mt19937 engine(seed_sequence);
+
+ std::string result = "--cpp-httplib-multipart-data-";
+
+ for (auto i = 0; i < 16; i++) {
+ result += data[engine() % (sizeof(data) - 1)];
+ }
+
+ return result;
+}
+
+bool is_multipart_boundary_chars_valid(const std::string &boundary) {
+ auto valid = true;
+ for (size_t i = 0; i < boundary.size(); i++) {
+ auto c = boundary[i];
+ if (!std::isalnum(c) && c != '-' && c != '_') {
+ valid = false;
+ break;
+ }
+ }
+ return valid;
+}
+
+template <typename T>
+std::string
+serialize_multipart_formdata_item_begin(const T &item,
+ const std::string &boundary) {
+ std::string body = "--" + boundary + "\r\n";
+ body += "Content-Disposition: form-data; name=\"" + item.name + "\"";
+ if (!item.filename.empty()) {
+ body += "; filename=\"" + item.filename + "\"";
+ }
+ body += "\r\n";
+ if (!item.content_type.empty()) {
+ body += "Content-Type: " + item.content_type + "\r\n";
+ }
+ body += "\r\n";
+
+ return body;
+}
+
+std::string serialize_multipart_formdata_item_end() { return "\r\n"; }
+
+std::string
+serialize_multipart_formdata_finish(const std::string &boundary) {
+ return "--" + boundary + "--\r\n";
+}
+
+std::string
+serialize_multipart_formdata_get_content_type(const std::string &boundary) {
+ return "multipart/form-data; boundary=" + boundary;
+}
+
+std::string
+serialize_multipart_formdata(const MultipartFormDataItems &items,
+ const std::string &boundary, bool finish = true) {
+ std::string body;
+
+ for (const auto &item : items) {
+ body += serialize_multipart_formdata_item_begin(item, boundary);
+ body += item.content + serialize_multipart_formdata_item_end();
+ }
+
+ if (finish) body += serialize_multipart_formdata_finish(boundary);
+
+ return body;
+}
+
+std::pair<size_t, size_t>
+get_range_offset_and_length(const Request &req, size_t content_length,
+ size_t index) {
+ auto r = req.ranges[index];
+
+ if (r.first == -1 && r.second == -1) {
+ return std::make_pair(0, content_length);
+ }
+
+ auto slen = static_cast<ssize_t>(content_length);
+
+ if (r.first == -1) {
+ r.first = (std::max)(static_cast<ssize_t>(0), slen - r.second);
+ r.second = slen - 1;
+ }
+
+ if (r.second == -1) { r.second = slen - 1; }
+ return std::make_pair(r.first, static_cast<size_t>(r.second - r.first) + 1);
+}
+
+std::string make_content_range_header_field(size_t offset, size_t length,
+ size_t content_length) {
+ std::string field = "bytes ";
+ field += std::to_string(offset);
+ field += "-";
+ field += std::to_string(offset + length - 1);
+ field += "/";
+ field += std::to_string(content_length);
+ return field;
+}
+
+template <typename SToken, typename CToken, typename Content>
+bool process_multipart_ranges_data(const Request &req, Response &res,
+ const std::string &boundary,
+ const std::string &content_type,
+ SToken stoken, CToken ctoken,
+ Content content) {
+ for (size_t i = 0; i < req.ranges.size(); i++) {
+ ctoken("--");
+ stoken(boundary);
+ ctoken("\r\n");
+ if (!content_type.empty()) {
+ ctoken("Content-Type: ");
+ stoken(content_type);
+ ctoken("\r\n");
+ }
+
+ auto offsets = get_range_offset_and_length(req, res.body.size(), i);
+ auto offset = offsets.first;
+ auto length = offsets.second;
+
+ ctoken("Content-Range: ");
+ stoken(make_content_range_header_field(offset, length, res.body.size()));
+ ctoken("\r\n");
+ ctoken("\r\n");
+ if (!content(offset, length)) { return false; }
+ ctoken("\r\n");
+ }
+
+ ctoken("--");
+ stoken(boundary);
+ ctoken("--\r\n");
+
+ return true;
+}
+
+bool make_multipart_ranges_data(const Request &req, Response &res,
+ const std::string &boundary,
+ const std::string &content_type,
+ std::string &data) {
+ return process_multipart_ranges_data(
+ req, res, boundary, content_type,
+ [&](const std::string &token) { data += token; },
+ [&](const std::string &token) { data += token; },
+ [&](size_t offset, size_t length) {
+ if (offset < res.body.size()) {
+ data += res.body.substr(offset, length);
+ return true;
+ }
+ return false;
+ });
+}
+
+size_t
+get_multipart_ranges_data_length(const Request &req, Response &res,
+ const std::string &boundary,
+ const std::string &content_type) {
+ size_t data_length = 0;
+
+ process_multipart_ranges_data(
+ req, res, boundary, content_type,
+ [&](const std::string &token) { data_length += token.size(); },
+ [&](const std::string &token) { data_length += token.size(); },
+ [&](size_t /*offset*/, size_t length) {
+ data_length += length;
+ return true;
+ });
+
+ return data_length;
+}
+
+template <typename T>
+bool write_multipart_ranges_data(Stream &strm, const Request &req,
+ Response &res,
+ const std::string &boundary,
+ const std::string &content_type,
+ const T &is_shutting_down) {
+ return process_multipart_ranges_data(
+ req, res, boundary, content_type,
+ [&](const std::string &token) { strm.write(token); },
+ [&](const std::string &token) { strm.write(token); },
+ [&](size_t offset, size_t length) {
+ return write_content(strm, res.content_provider_, offset, length,
+ is_shutting_down);
+ });
+}
+
+std::pair<size_t, size_t>
+get_range_offset_and_length(const Request &req, const Response &res,
+ size_t index) {
+ auto r = req.ranges[index];
+
+ if (r.second == -1) {
+ r.second = static_cast<ssize_t>(res.content_length_) - 1;
+ }
+
+ return std::make_pair(r.first, r.second - r.first + 1);
+}
+
+bool expect_content(const Request &req) {
+ if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH" ||
+ req.method == "PRI" || req.method == "DELETE") {
+ return true;
+ }
+ // TODO: check if Content-Length is set
+ return false;
+}
+
+bool has_crlf(const std::string &s) {
+ auto p = s.c_str();
+ while (*p) {
+ if (*p == '\r' || *p == '\n') { return true; }
+ p++;
+ }
+ return false;
+}
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+std::string message_digest(const std::string &s, const EVP_MD *algo) {
+ auto context = std::unique_ptr<EVP_MD_CTX, decltype(&EVP_MD_CTX_free)>(
+ EVP_MD_CTX_new(), EVP_MD_CTX_free);
+
+ unsigned int hash_length = 0;
+ unsigned char hash[EVP_MAX_MD_SIZE];
+
+ EVP_DigestInit_ex(context.get(), algo, nullptr);
+ EVP_DigestUpdate(context.get(), s.c_str(), s.size());
+ EVP_DigestFinal_ex(context.get(), hash, &hash_length);
+
+ std::stringstream ss;
+ for (auto i = 0u; i < hash_length; ++i) {
+ ss << std::hex << std::setw(2) << std::setfill('0')
+ << (unsigned int)hash[i];
+ }
+
+ return ss.str();
+}
+
+std::string MD5(const std::string &s) {
+ return message_digest(s, EVP_md5());
+}
+
+std::string SHA_256(const std::string &s) {
+ return message_digest(s, EVP_sha256());
+}
+
+std::string SHA_512(const std::string &s) {
+ return message_digest(s, EVP_sha512());
+}
+#endif
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+#ifdef _WIN32
+// NOTE: This code came up with the following stackoverflow post:
+// https://stackoverflow.com/questions/9507184/can-openssl-on-windows-use-the-system-certificate-store
+bool load_system_certs_on_windows(X509_STORE *store) {
+ auto hStore = CertOpenSystemStoreW((HCRYPTPROV_LEGACY)NULL, L"ROOT");
+ if (!hStore) { return false; }
+
+ auto result = false;
+ PCCERT_CONTEXT pContext = NULL;
+ while ((pContext = CertEnumCertificatesInStore(hStore, pContext)) !=
+ nullptr) {
+ auto encoded_cert =
+ static_cast<const unsigned char *>(pContext->pbCertEncoded);
+
+ auto x509 = d2i_X509(NULL, &encoded_cert, pContext->cbCertEncoded);
+ if (x509) {
+ X509_STORE_add_cert(store, x509);
+ X509_free(x509);
+ result = true;
+ }
+ }
+
+ CertFreeCertificateContext(pContext);
+ CertCloseStore(hStore, 0);
+
+ return result;
+}
+#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__)
+#if TARGET_OS_OSX
+template <typename T>
+using CFObjectPtr =
+ std::unique_ptr<typename std::remove_pointer<T>::type, void (*)(CFTypeRef)>;
+
+void cf_object_ptr_deleter(CFTypeRef obj) {
+ if (obj) { CFRelease(obj); }
+}
+
+bool retrieve_certs_from_keychain(CFObjectPtr<CFArrayRef> &certs) {
+ CFStringRef keys[] = {kSecClass, kSecMatchLimit, kSecReturnRef};
+ CFTypeRef values[] = {kSecClassCertificate, kSecMatchLimitAll,
+ kCFBooleanTrue};
+
+ CFObjectPtr<CFDictionaryRef> query(
+ CFDictionaryCreate(nullptr, reinterpret_cast<const void **>(keys), values,
+ sizeof(keys) / sizeof(keys[0]),
+ &kCFTypeDictionaryKeyCallBacks,
+ &kCFTypeDictionaryValueCallBacks),
+ cf_object_ptr_deleter);
+
+ if (!query) { return false; }
+
+ CFTypeRef security_items = nullptr;
+ if (SecItemCopyMatching(query.get(), &security_items) != errSecSuccess ||
+ CFArrayGetTypeID() != CFGetTypeID(security_items)) {
+ return false;
+ }
+
+ certs.reset(reinterpret_cast<CFArrayRef>(security_items));
+ return true;
+}
+
+bool retrieve_root_certs_from_keychain(CFObjectPtr<CFArrayRef> &certs) {
+ CFArrayRef root_security_items = nullptr;
+ if (SecTrustCopyAnchorCertificates(&root_security_items) != errSecSuccess) {
+ return false;
+ }
+
+ certs.reset(root_security_items);
+ return true;
+}
+
+bool add_certs_to_x509_store(CFArrayRef certs, X509_STORE *store) {
+ auto result = false;
+ for (int i = 0; i < CFArrayGetCount(certs); ++i) {
+ const auto cert = reinterpret_cast<const __SecCertificate *>(
+ CFArrayGetValueAtIndex(certs, i));
+
+ if (SecCertificateGetTypeID() != CFGetTypeID(cert)) { continue; }
+
+ CFDataRef cert_data = nullptr;
+ if (SecItemExport(cert, kSecFormatX509Cert, 0, nullptr, &cert_data) !=
+ errSecSuccess) {
+ continue;
+ }
+
+ CFObjectPtr<CFDataRef> cert_data_ptr(cert_data, cf_object_ptr_deleter);
+
+ auto encoded_cert = static_cast<const unsigned char *>(
+ CFDataGetBytePtr(cert_data_ptr.get()));
+
+ auto x509 =
+ d2i_X509(NULL, &encoded_cert, CFDataGetLength(cert_data_ptr.get()));
+
+ if (x509) {
+ X509_STORE_add_cert(store, x509);
+ X509_free(x509);
+ result = true;
+ }
+ }
+
+ return result;
+}
+
+bool load_system_certs_on_macos(X509_STORE *store) {
+ auto result = false;
+ CFObjectPtr<CFArrayRef> certs(nullptr, cf_object_ptr_deleter);
+ if (retrieve_certs_from_keychain(certs) && certs) {
+ result = add_certs_to_x509_store(certs.get(), store);
+ }
+
+ if (retrieve_root_certs_from_keychain(certs) && certs) {
+ result = add_certs_to_x509_store(certs.get(), store) || result;
+ }
+
+ return result;
+}
+#endif // TARGET_OS_OSX
+#endif // _WIN32
+#endif // CPPHTTPLIB_OPENSSL_SUPPORT
+
+#ifdef _WIN32
+class WSInit {
+public:
+ WSInit() {
+ WSADATA wsaData;
+ if (WSAStartup(0x0002, &wsaData) == 0) is_valid_ = true;
+ }
+
+ ~WSInit() {
+ if (is_valid_) WSACleanup();
+ }
+
+ bool is_valid_ = false;
+};
+
+static WSInit wsinit_;
+#endif
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+std::pair<std::string, std::string> make_digest_authentication_header(
+ const Request &req, const std::map<std::string, std::string> &auth,
+ size_t cnonce_count, const std::string &cnonce, const std::string &username,
+ const std::string &password, bool is_proxy = false) {
+ std::string nc;
+ {
+ std::stringstream ss;
+ ss << std::setfill('0') << std::setw(8) << std::hex << cnonce_count;
+ nc = ss.str();
+ }
+
+ std::string qop;
+ if (auth.find("qop") != auth.end()) {
+ qop = auth.at("qop");
+ if (qop.find("auth-int") != std::string::npos) {
+ qop = "auth-int";
+ } else if (qop.find("auth") != std::string::npos) {
+ qop = "auth";
+ } else {
+ qop.clear();
+ }
+ }
+
+ std::string algo = "MD5";
+ if (auth.find("algorithm") != auth.end()) { algo = auth.at("algorithm"); }
+
+ std::string response;
+ {
+ auto H = algo == "SHA-256" ? detail::SHA_256
+ : algo == "SHA-512" ? detail::SHA_512
+ : detail::MD5;
+
+ auto A1 = username + ":" + auth.at("realm") + ":" + password;
+
+ auto A2 = req.method + ":" + req.path;
+ if (qop == "auth-int") { A2 += ":" + H(req.body); }
+
+ if (qop.empty()) {
+ response = H(H(A1) + ":" + auth.at("nonce") + ":" + H(A2));
+ } else {
+ response = H(H(A1) + ":" + auth.at("nonce") + ":" + nc + ":" + cnonce +
+ ":" + qop + ":" + H(A2));
+ }
+ }
+
+ auto opaque = (auth.find("opaque") != auth.end()) ? auth.at("opaque") : "";
+
+ auto field = "Digest username=\"" + username + "\", realm=\"" +
+ auth.at("realm") + "\", nonce=\"" + auth.at("nonce") +
+ "\", uri=\"" + req.path + "\", algorithm=" + algo +
+ (qop.empty() ? ", response=\""
+ : ", qop=" + qop + ", nc=" + nc + ", cnonce=\"" +
+ cnonce + "\", response=\"") +
+ response + "\"" +
+ (opaque.empty() ? "" : ", opaque=\"" + opaque + "\"");
+
+ auto key = is_proxy ? "Proxy-Authorization" : "Authorization";
+ return std::make_pair(key, field);
+}
+#endif
+
+bool parse_www_authenticate(const Response &res,
+ std::map<std::string, std::string> &auth,
+ bool is_proxy) {
+ auto auth_key = is_proxy ? "Proxy-Authenticate" : "WWW-Authenticate";
+ if (res.has_header(auth_key)) {
+ static auto re = std::regex(R"~((?:(?:,\s*)?(.+?)=(?:"(.*?)"|([^,]*))))~");
+ auto s = res.get_header_value(auth_key);
+ auto pos = s.find(' ');
+ if (pos != std::string::npos) {
+ auto type = s.substr(0, pos);
+ if (type == "Basic") {
+ return false;
+ } else if (type == "Digest") {
+ s = s.substr(pos + 1);
+ auto beg = std::sregex_iterator(s.begin(), s.end(), re);
+ for (auto i = beg; i != std::sregex_iterator(); ++i) {
+ auto m = *i;
+ auto key = s.substr(static_cast<size_t>(m.position(1)),
+ static_cast<size_t>(m.length(1)));
+ auto val = m.length(2) > 0
+ ? s.substr(static_cast<size_t>(m.position(2)),
+ static_cast<size_t>(m.length(2)))
+ : s.substr(static_cast<size_t>(m.position(3)),
+ static_cast<size_t>(m.length(3)));
+ auth[key] = val;
+ }
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+// https://stackoverflow.com/questions/440133/how-do-i-create-a-random-alpha-numeric-string-in-c/440240#answer-440240
+std::string random_string(size_t length) {
+ auto randchar = []() -> char {
+ const char charset[] = "0123456789"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz";
+ const size_t max_index = (sizeof(charset) - 1);
+ return charset[static_cast<size_t>(std::rand()) % max_index];
+ };
+ std::string str(length, 0);
+ std::generate_n(str.begin(), length, randchar);
+ return str;
+}
+
+class ContentProviderAdapter {
+public:
+ explicit ContentProviderAdapter(
+ ContentProviderWithoutLength &&content_provider)
+ : content_provider_(content_provider) {}
+
+ bool operator()(size_t offset, size_t, DataSink &sink) {
+ return content_provider_(offset, sink);
+ }
+
+private:
+ ContentProviderWithoutLength content_provider_;
+};
+
+} // namespace detail
+
+std::string hosted_at(const std::string &hostname) {
+ std::vector<std::string> addrs;
+ hosted_at(hostname, addrs);
+ if (addrs.empty()) { return std::string(); }
+ return addrs[0];
+}
+
+void hosted_at(const std::string &hostname,
+ std::vector<std::string> &addrs) {
+ struct addrinfo hints;
+ struct addrinfo *result;
+
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = 0;
+
+ if (getaddrinfo(hostname.c_str(), nullptr, &hints, &result)) {
+#if defined __linux__ && !defined __ANDROID__
+ res_init();
+#endif
+ return;
+ }
+
+ for (auto rp = result; rp; rp = rp->ai_next) {
+ const auto &addr =
+ *reinterpret_cast<struct sockaddr_storage *>(rp->ai_addr);
+ std::string ip;
+ int dummy = -1;
+ if (detail::get_ip_and_port(addr, sizeof(struct sockaddr_storage), ip,
+ dummy)) {
+ addrs.push_back(ip);
+ }
+ }
+
+ freeaddrinfo(result);
+}
+
+std::string append_query_params(const std::string &path,
+ const Params ¶ms) {
+ std::string path_with_query = path;
+ const static std::regex re("[^?]+\\?.*");
+ auto delm = std::regex_match(path, re) ? '&' : '?';
+ path_with_query += delm + detail::params_to_query_str(params);
+ return path_with_query;
+}
+
+// Header utilities
+std::pair<std::string, std::string> make_range_header(Ranges ranges) {
+ std::string field = "bytes=";
+ auto i = 0;
+ for (auto r : ranges) {
+ if (i != 0) { field += ", "; }
+ if (r.first != -1) { field += std::to_string(r.first); }
+ field += '-';
+ if (r.second != -1) { field += std::to_string(r.second); }
+ i++;
+ }
+ return std::make_pair("Range", std::move(field));
+}
+
+std::pair<std::string, std::string>
+make_basic_authentication_header(const std::string &username,
+ const std::string &password, bool is_proxy) {
+ auto field = "Basic " + detail::base64_encode(username + ":" + password);
+ auto key = is_proxy ? "Proxy-Authorization" : "Authorization";
+ return std::make_pair(key, std::move(field));
+}
+
+std::pair<std::string, std::string>
+make_bearer_token_authentication_header(const std::string &token,
+ bool is_proxy = false) {
+ auto field = "Bearer " + token;
+ auto key = is_proxy ? "Proxy-Authorization" : "Authorization";
+ return std::make_pair(key, std::move(field));
+}
+
+// Request implementation
+bool Request::has_header(const std::string &key) const {
+ return detail::has_header(headers, key);
+}
+
+std::string Request::get_header_value(const std::string &key,
+ size_t id) const {
+ return detail::get_header_value(headers, key, id, "");
+}
+
+size_t Request::get_header_value_count(const std::string &key) const {
+ auto r = headers.equal_range(key);
+ return static_cast<size_t>(std::distance(r.first, r.second));
+}
+
+void Request::set_header(const std::string &key,
+ const std::string &val) {
+ if (!detail::has_crlf(key) && !detail::has_crlf(val)) {
+ headers.emplace(key, val);
+ }
+}
+
+bool Request::has_param(const std::string &key) const {
+ return params.find(key) != params.end();
+}
+
+std::string Request::get_param_value(const std::string &key,
+ size_t id) const {
+ auto rng = params.equal_range(key);
+ auto it = rng.first;
+ std::advance(it, static_cast<ssize_t>(id));
+ if (it != rng.second) { return it->second; }
+ return std::string();
+}
+
+size_t Request::get_param_value_count(const std::string &key) const {
+ auto r = params.equal_range(key);
+ return static_cast<size_t>(std::distance(r.first, r.second));
+}
+
+bool Request::is_multipart_form_data() const {
+ const auto &content_type = get_header_value("Content-Type");
+ return !content_type.rfind("multipart/form-data", 0);
+}
+
+bool Request::has_file(const std::string &key) const {
+ return files.find(key) != files.end();
+}
+
+MultipartFormData Request::get_file_value(const std::string &key) const {
+ auto it = files.find(key);
+ if (it != files.end()) { return it->second; }
+ return MultipartFormData();
+}
+
+std::vector<MultipartFormData>
+Request::get_file_values(const std::string &key) const {
+ std::vector<MultipartFormData> values;
+ auto rng = files.equal_range(key);
+ for (auto it = rng.first; it != rng.second; it++) {
+ values.push_back(it->second);
+ }
+ return values;
+}
+
+// Response implementation
+bool Response::has_header(const std::string &key) const {
+ return headers.find(key) != headers.end();
+}
+
+std::string Response::get_header_value(const std::string &key,
+ size_t id) const {
+ return detail::get_header_value(headers, key, id, "");
+}
+
+size_t Response::get_header_value_count(const std::string &key) const {
+ auto r = headers.equal_range(key);
+ return static_cast<size_t>(std::distance(r.first, r.second));
+}
+
+void Response::set_header(const std::string &key,
+ const std::string &val) {
+ if (!detail::has_crlf(key) && !detail::has_crlf(val)) {
+ headers.emplace(key, val);
+ }
+}
+
+void Response::set_redirect(const std::string &url, int stat) {
+ if (!detail::has_crlf(url)) {
+ set_header("Location", url);
+ if (300 <= stat && stat < 400) {
+ this->status = stat;
+ } else {
+ this->status = 302;
+ }
+ }
+}
+
+void Response::set_content(const char *s, size_t n,
+ const std::string &content_type) {
+ body.assign(s, n);
+
+ auto rng = headers.equal_range("Content-Type");
+ headers.erase(rng.first, rng.second);
+ set_header("Content-Type", content_type);
+}
+
+void Response::set_content(const std::string &s,
+ const std::string &content_type) {
+ set_content(s.data(), s.size(), content_type);
+}
+
+void Response::set_content_provider(
+ size_t in_length, const std::string &content_type, ContentProvider provider,
+ ContentProviderResourceReleaser resource_releaser) {
+ set_header("Content-Type", content_type);
+ content_length_ = in_length;
+ if (in_length > 0) { content_provider_ = std::move(provider); }
+ content_provider_resource_releaser_ = resource_releaser;
+ is_chunked_content_provider_ = false;
+}
+
+void Response::set_content_provider(
+ const std::string &content_type, ContentProviderWithoutLength provider,
+ ContentProviderResourceReleaser resource_releaser) {
+ set_header("Content-Type", content_type);
+ content_length_ = 0;
+ content_provider_ = detail::ContentProviderAdapter(std::move(provider));
+ content_provider_resource_releaser_ = resource_releaser;
+ is_chunked_content_provider_ = false;
+}
+
+void Response::set_chunked_content_provider(
+ const std::string &content_type, ContentProviderWithoutLength provider,
+ ContentProviderResourceReleaser resource_releaser) {
+ set_header("Content-Type", content_type);
+ content_length_ = 0;
+ content_provider_ = detail::ContentProviderAdapter(std::move(provider));
+ content_provider_resource_releaser_ = resource_releaser;
+ is_chunked_content_provider_ = true;
+}
+
+// Result implementation
+bool Result::has_request_header(const std::string &key) const {
+ return request_headers_.find(key) != request_headers_.end();
+}
+
+std::string Result::get_request_header_value(const std::string &key,
+ size_t id) const {
+ return detail::get_header_value(request_headers_, key, id, "");
+}
+
+size_t
+Result::get_request_header_value_count(const std::string &key) const {
+ auto r = request_headers_.equal_range(key);
+ return static_cast<size_t>(std::distance(r.first, r.second));
+}
+
+// Stream implementation
+ssize_t Stream::write(const char *ptr) {
+ return write(ptr, strlen(ptr));
+}
+
+ssize_t Stream::write(const std::string &s) {
+ return write(s.data(), s.size());
+}
+
+namespace detail {
+
+// Socket stream implementation
+SocketStream::SocketStream(socket_t sock, time_t read_timeout_sec,
+ time_t read_timeout_usec,
+ time_t write_timeout_sec,
+ time_t write_timeout_usec)
+ : sock_(sock), read_timeout_sec_(read_timeout_sec),
+ read_timeout_usec_(read_timeout_usec),
+ write_timeout_sec_(write_timeout_sec),
+ write_timeout_usec_(write_timeout_usec), read_buff_(read_buff_size_, 0) {}
+
+SocketStream::~SocketStream() {}
+
+bool SocketStream::is_readable() const {
+ return select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0;
+}
+
+bool SocketStream::is_writable() const {
+ return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0 &&
+ is_socket_alive(sock_);
+}
+
+ssize_t SocketStream::read(char *ptr, size_t size) {
+#ifdef _WIN32
+ size =
+ (std::min)(size, static_cast<size_t>((std::numeric_limits<int>::max)()));
+#else
+ size = (std::min)(size,
+ static_cast<size_t>((std::numeric_limits<ssize_t>::max)()));
+#endif
+
+ if (read_buff_off_ < read_buff_content_size_) {
+ auto remaining_size = read_buff_content_size_ - read_buff_off_;
+ if (size <= remaining_size) {
+ memcpy(ptr, read_buff_.data() + read_buff_off_, size);
+ read_buff_off_ += size;
+ return static_cast<ssize_t>(size);
+ } else {
+ memcpy(ptr, read_buff_.data() + read_buff_off_, remaining_size);
+ read_buff_off_ += remaining_size;
+ return static_cast<ssize_t>(remaining_size);
+ }
+ }
+
+ if (!is_readable()) { return -1; }
+
+ read_buff_off_ = 0;
+ read_buff_content_size_ = 0;
+
+ if (size < read_buff_size_) {
+ auto n = read_socket(sock_, read_buff_.data(), read_buff_size_,
+ CPPHTTPLIB_RECV_FLAGS);
+ if (n <= 0) {
+ return n;
+ } else if (n <= static_cast<ssize_t>(size)) {
+ memcpy(ptr, read_buff_.data(), static_cast<size_t>(n));
+ return n;
+ } else {
+ memcpy(ptr, read_buff_.data(), size);
+ read_buff_off_ = size;
+ read_buff_content_size_ = static_cast<size_t>(n);
+ return static_cast<ssize_t>(size);
+ }
+ } else {
+ return read_socket(sock_, ptr, size, CPPHTTPLIB_RECV_FLAGS);
+ }
+}
+
+ssize_t SocketStream::write(const char *ptr, size_t size) {
+ if (!is_writable()) { return -1; }
+
+#if defined(_WIN32) && !defined(_WIN64)
+ size =
+ (std::min)(size, static_cast<size_t>((std::numeric_limits<int>::max)()));
+#endif
+
+ return send_socket(sock_, ptr, size, CPPHTTPLIB_SEND_FLAGS);
+}
+
+void SocketStream::get_remote_ip_and_port(std::string &ip,
+ int &port) const {
+ return detail::get_remote_ip_and_port(sock_, ip, port);
+}
+
+void SocketStream::get_local_ip_and_port(std::string &ip,
+ int &port) const {
+ return detail::get_local_ip_and_port(sock_, ip, port);
+}
+
+socket_t SocketStream::socket() const { return sock_; }
+
+// Buffer stream implementation
+bool BufferStream::is_readable() const { return true; }
+
+bool BufferStream::is_writable() const { return true; }
+
+ssize_t BufferStream::read(char *ptr, size_t size) {
+#if defined(_MSC_VER) && _MSC_VER < 1910
+ auto len_read = buffer._Copy_s(ptr, size, size, position);
+#else
+ auto len_read = buffer.copy(ptr, size, position);
+#endif
+ position += static_cast<size_t>(len_read);
+ return static_cast<ssize_t>(len_read);
+}
+
+ssize_t BufferStream::write(const char *ptr, size_t size) {
+ buffer.append(ptr, size);
+ return static_cast<ssize_t>(size);
+}
+
+void BufferStream::get_remote_ip_and_port(std::string & /*ip*/,
+ int & /*port*/) const {}
+
+void BufferStream::get_local_ip_and_port(std::string & /*ip*/,
+ int & /*port*/) const {}
+
+socket_t BufferStream::socket() const { return 0; }
+
+const std::string &BufferStream::get_buffer() const { return buffer; }
+
+} // namespace detail
+
+// HTTP server implementation
+Server::Server()
+ : new_task_queue(
+ [] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); }) {
+#ifndef _WIN32
+ signal(SIGPIPE, SIG_IGN);
+#endif
+}
+
+Server::~Server() {}
+
+Server &Server::Get(const std::string &pattern, Handler handler) {
+ get_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
+ return *this;
+}
+
+Server &Server::Post(const std::string &pattern, Handler handler) {
+ post_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
+ return *this;
+}
+
+Server &Server::Post(const std::string &pattern,
+ HandlerWithContentReader handler) {
+ post_handlers_for_content_reader_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
+ return *this;
+}
+
+Server &Server::Put(const std::string &pattern, Handler handler) {
+ put_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
+ return *this;
+}
+
+Server &Server::Put(const std::string &pattern,
+ HandlerWithContentReader handler) {
+ put_handlers_for_content_reader_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
+ return *this;
+}
+
+Server &Server::Patch(const std::string &pattern, Handler handler) {
+ patch_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
+ return *this;
+}
+
+Server &Server::Patch(const std::string &pattern,
+ HandlerWithContentReader handler) {
+ patch_handlers_for_content_reader_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
+ return *this;
+}
+
+Server &Server::Delete(const std::string &pattern, Handler handler) {
+ delete_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
+ return *this;
+}
+
+Server &Server::Delete(const std::string &pattern,
+ HandlerWithContentReader handler) {
+ delete_handlers_for_content_reader_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
+ return *this;
+}
+
+Server &Server::Options(const std::string &pattern, Handler handler) {
+ options_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
+ return *this;
+}
+
+bool Server::set_base_dir(const std::string &dir,
+ const std::string &mount_point) {
+ return set_mount_point(mount_point, dir);
+}
+
+bool Server::set_mount_point(const std::string &mount_point,
+ const std::string &dir, Headers headers) {
+ if (detail::is_dir(dir)) {
+ std::string mnt = !mount_point.empty() ? mount_point : "/";
+ if (!mnt.empty() && mnt[0] == '/') {
+ base_dirs_.push_back({mnt, dir, std::move(headers)});
+ return true;
+ }
+ }
+ return false;
+}
+
+bool Server::remove_mount_point(const std::string &mount_point) {
+ for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) {
+ if (it->mount_point == mount_point) {
+ base_dirs_.erase(it);
+ return true;
+ }
+ }
+ return false;
+}
+
+Server &
+Server::set_file_extension_and_mimetype_mapping(const std::string &ext,
+ const std::string &mime) {
+ file_extension_and_mimetype_map_[ext] = mime;
+ return *this;
+}
+
+Server &Server::set_file_request_handler(Handler handler) {
+ file_request_handler_ = std::move(handler);
+ return *this;
+}
+
+Server &Server::set_error_handler(HandlerWithResponse handler) {
+ error_handler_ = std::move(handler);
+ return *this;
+}
+
+Server &Server::set_error_handler(Handler handler) {
+ error_handler_ = [handler](const Request &req, Response &res) {
+ handler(req, res);
+ return HandlerResponse::Handled;
+ };
+ return *this;
+}
+
+Server &Server::set_exception_handler(ExceptionHandler handler) {
+ exception_handler_ = std::move(handler);
+ return *this;
+}
+
+Server &Server::set_pre_routing_handler(HandlerWithResponse handler) {
+ pre_routing_handler_ = std::move(handler);
+ return *this;
+}
+
+Server &Server::set_post_routing_handler(Handler handler) {
+ post_routing_handler_ = std::move(handler);
+ return *this;
+}
+
+Server &Server::set_logger(Logger logger) {
+ logger_ = std::move(logger);
+ return *this;
+}
+
+Server &
+Server::set_expect_100_continue_handler(Expect100ContinueHandler handler) {
+ expect_100_continue_handler_ = std::move(handler);
+ return *this;
+}
+
+Server &Server::set_address_family(int family) {
+ address_family_ = family;
+ return *this;
+}
+
+Server &Server::set_tcp_nodelay(bool on) {
+ tcp_nodelay_ = on;
+ return *this;
+}
+
+Server &Server::set_socket_options(SocketOptions socket_options) {
+ socket_options_ = std::move(socket_options);
+ return *this;
+}
+
+Server &Server::set_default_headers(Headers headers) {
+ default_headers_ = std::move(headers);
+ return *this;
+}
+
+Server &Server::set_keep_alive_max_count(size_t count) {
+ keep_alive_max_count_ = count;
+ return *this;
+}
+
+Server &Server::set_keep_alive_timeout(time_t sec) {
+ keep_alive_timeout_sec_ = sec;
+ return *this;
+}
+
+Server &Server::set_read_timeout(time_t sec, time_t usec) {
+ read_timeout_sec_ = sec;
+ read_timeout_usec_ = usec;
+ return *this;
+}
+
+Server &Server::set_write_timeout(time_t sec, time_t usec) {
+ write_timeout_sec_ = sec;
+ write_timeout_usec_ = usec;
+ return *this;
+}
+
+Server &Server::set_idle_interval(time_t sec, time_t usec) {
+ idle_interval_sec_ = sec;
+ idle_interval_usec_ = usec;
+ return *this;
+}
+
+Server &Server::set_payload_max_length(size_t length) {
+ payload_max_length_ = length;
+ return *this;
+}
+
+bool Server::bind_to_port(const std::string &host, int port,
+ int socket_flags) {
+ if (bind_internal(host, port, socket_flags) < 0) return false;
+ return true;
+}
+int Server::bind_to_any_port(const std::string &host, int socket_flags) {
+ return bind_internal(host, 0, socket_flags);
+}
+
+bool Server::listen_after_bind() {
+ auto se = detail::scope_exit([&]() { done_ = true; });
+ return listen_internal();
+}
+
+bool Server::listen(const std::string &host, int port,
+ int socket_flags) {
+ auto se = detail::scope_exit([&]() { done_ = true; });
+ return bind_to_port(host, port, socket_flags) && listen_internal();
+}
+
+bool Server::is_running() const { return is_running_; }
+
+void Server::wait_until_ready() const {
+ while (!is_running() && !done_) {
+ std::this_thread::sleep_for(std::chrono::milliseconds{1});
+ }
+}
+
+void Server::stop() {
+ if (is_running_) {
+ assert(svr_sock_ != INVALID_SOCKET);
+ std::atomic<socket_t> sock(svr_sock_.exchange(INVALID_SOCKET));
+ detail::shutdown_socket(sock);
+ detail::close_socket(sock);
+ }
+}
+
+bool Server::parse_request_line(const char *s, Request &req) {
+ auto len = strlen(s);
+ if (len < 2 || s[len - 2] != '\r' || s[len - 1] != '\n') { return false; }
+ len -= 2;
+
+ {
+ size_t count = 0;
+
+ detail::split(s, s + len, ' ', [&](const char *b, const char *e) {
+ switch (count) {
+ case 0: req.method = std::string(b, e); break;
+ case 1: req.target = std::string(b, e); break;
+ case 2: req.version = std::string(b, e); break;
+ default: break;
+ }
+ count++;
+ });
+
+ if (count != 3) { return false; }
+ }
+
+ static const std::set<std::string> methods{
+ "GET", "HEAD", "POST", "PUT", "DELETE",
+ "CONNECT", "OPTIONS", "TRACE", "PATCH", "PRI"};
+
+ if (methods.find(req.method) == methods.end()) { return false; }
+
+ if (req.version != "HTTP/1.1" && req.version != "HTTP/1.0") { return false; }
+
+ {
+ // Skip URL fragment
+ for (size_t i = 0; i < req.target.size(); i++) {
+ if (req.target[i] == '#') {
+ req.target.erase(i);
+ break;
+ }
+ }
+
+ size_t count = 0;
+
+ detail::split(req.target.data(), req.target.data() + req.target.size(), '?',
+ [&](const char *b, const char *e) {
+ switch (count) {
+ case 0:
+ req.path = detail::decode_url(std::string(b, e), false);
+ break;
+ case 1: {
+ if (e - b > 0) {
+ detail::parse_query_text(std::string(b, e), req.params);
+ }
+ break;
+ }
+ default: break;
+ }
+ count++;
+ });
+
+ if (count > 2) { return false; }
+ }
+
+ return true;
+}
+
+bool Server::write_response(Stream &strm, bool close_connection,
+ const Request &req, Response &res) {
+ return write_response_core(strm, close_connection, req, res, false);
+}
+
+bool Server::write_response_with_content(Stream &strm,
+ bool close_connection,
+ const Request &req,
+ Response &res) {
+ return write_response_core(strm, close_connection, req, res, true);
+}
+
+bool Server::write_response_core(Stream &strm, bool close_connection,
+ const Request &req, Response &res,
+ bool need_apply_ranges) {
+ assert(res.status != -1);
+
+ if (400 <= res.status && error_handler_ &&
+ error_handler_(req, res) == HandlerResponse::Handled) {
+ need_apply_ranges = true;
+ }
+
+ std::string content_type;
+ std::string boundary;
+ if (need_apply_ranges) { apply_ranges(req, res, content_type, boundary); }
+
+ // Prepare additional headers
+ if (close_connection || req.get_header_value("Connection") == "close") {
+ res.set_header("Connection", "close");
+ } else {
+ std::stringstream ss;
+ ss << "timeout=" << keep_alive_timeout_sec_
+ << ", max=" << keep_alive_max_count_;
+ res.set_header("Keep-Alive", ss.str());
+ }
+
+ if (!res.has_header("Content-Type") &&
+ (!res.body.empty() || res.content_length_ > 0 || res.content_provider_)) {
+ res.set_header("Content-Type", "text/plain");
+ }
+
+ if (!res.has_header("Content-Length") && res.body.empty() &&
+ !res.content_length_ && !res.content_provider_) {
+ res.set_header("Content-Length", "0");
+ }
+
+ if (!res.has_header("Accept-Ranges") && req.method == "HEAD") {
+ res.set_header("Accept-Ranges", "bytes");
+ }
+
+ if (post_routing_handler_) { post_routing_handler_(req, res); }
+
+ // Response line and headers
+ {
+ detail::BufferStream bstrm;
+
+ if (!bstrm.write_format("HTTP/1.1 %d %s\r\n", res.status,
+ detail::status_message(res.status))) {
+ return false;
+ }
+
+ if (!detail::write_headers(bstrm, res.headers)) { return false; }
+
+ // Flush buffer
+ auto &data = bstrm.get_buffer();
+ detail::write_data(strm, data.data(), data.size());
+ }
+
+ // Body
+ auto ret = true;
+ if (req.method != "HEAD") {
+ if (!res.body.empty()) {
+ if (!detail::write_data(strm, res.body.data(), res.body.size())) {
+ ret = false;
+ }
+ } else if (res.content_provider_) {
+ if (write_content_with_provider(strm, req, res, boundary, content_type)) {
+ res.content_provider_success_ = true;
+ } else {
+ res.content_provider_success_ = false;
+ ret = false;
+ }
+ }
+ }
+
+ // Log
+ if (logger_) { logger_(req, res); }
+
+ return ret;
+}
+
+bool
+Server::write_content_with_provider(Stream &strm, const Request &req,
+ Response &res, const std::string &boundary,
+ const std::string &content_type) {
+ auto is_shutting_down = [this]() {
+ return this->svr_sock_ == INVALID_SOCKET;
+ };
+
+ if (res.content_length_ > 0) {
+ if (req.ranges.empty()) {
+ return detail::write_content(strm, res.content_provider_, 0,
+ res.content_length_, is_shutting_down);
+ } else if (req.ranges.size() == 1) {
+ auto offsets =
+ detail::get_range_offset_and_length(req, res.content_length_, 0);
+ auto offset = offsets.first;
+ auto length = offsets.second;
+ return detail::write_content(strm, res.content_provider_, offset, length,
+ is_shutting_down);
+ } else {
+ return detail::write_multipart_ranges_data(
+ strm, req, res, boundary, content_type, is_shutting_down);
+ }
+ } else {
+ if (res.is_chunked_content_provider_) {
+ auto type = detail::encoding_type(req, res);
+
+ std::unique_ptr<detail::compressor> compressor;
+ if (type == detail::EncodingType::Gzip) {
+#ifdef CPPHTTPLIB_ZLIB_SUPPORT
+ compressor = detail::make_unique<detail::gzip_compressor>();
+#endif
+ } else if (type == detail::EncodingType::Brotli) {
+#ifdef CPPHTTPLIB_BROTLI_SUPPORT
+ compressor = detail::make_unique<detail::brotli_compressor>();
+#endif
+ } else {
+ compressor = detail::make_unique<detail::nocompressor>();
+ }
+ assert(compressor != nullptr);
+
+ return detail::write_content_chunked(strm, res.content_provider_,
+ is_shutting_down, *compressor);
+ } else {
+ return detail::write_content_without_length(strm, res.content_provider_,
+ is_shutting_down);
+ }
+ }
+}
+
+bool Server::read_content(Stream &strm, Request &req, Response &res) {
+ MultipartFormDataMap::iterator cur;
+ auto file_count = 0;
+ if (read_content_core(
+ strm, req, res,
+ // Regular
+ [&](const char *buf, size_t n) {
+ if (req.body.size() + n > req.body.max_size()) { return false; }
+ req.body.append(buf, n);
+ return true;
+ },
+ // Multipart
+ [&](const MultipartFormData &file) {
+ if (file_count++ == CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT) {
+ return false;
+ }
+ cur = req.files.emplace(file.name, file);
+ return true;
+ },
+ [&](const char *buf, size_t n) {
+ auto &content = cur->second.content;
+ if (content.size() + n > content.max_size()) { return false; }
+ content.append(buf, n);
+ return true;
+ })) {
+ const auto &content_type = req.get_header_value("Content-Type");
+ if (!content_type.find("application/x-www-form-urlencoded")) {
+ if (req.body.size() > CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH) {
+ res.status = 413; // NOTE: should be 414?
+ return false;
+ }
+ detail::parse_query_text(req.body, req.params);
+ }
+ return true;
+ }
+ return false;
+}
+
+bool Server::read_content_with_content_receiver(
+ Stream &strm, Request &req, Response &res, ContentReceiver receiver,
+ MultipartContentHeader multipart_header,
+ ContentReceiver multipart_receiver) {
+ return read_content_core(strm, req, res, std::move(receiver),
+ std::move(multipart_header),
+ std::move(multipart_receiver));
+}
+
+bool Server::read_content_core(Stream &strm, Request &req, Response &res,
+ ContentReceiver receiver,
+ MultipartContentHeader multipart_header,
+ ContentReceiver multipart_receiver) {
+ detail::MultipartFormDataParser multipart_form_data_parser;
+ ContentReceiverWithProgress out;
+
+ if (req.is_multipart_form_data()) {
+ const auto &content_type = req.get_header_value("Content-Type");
+ std::string boundary;
+ if (!detail::parse_multipart_boundary(content_type, boundary)) {
+ res.status = 400;
+ return false;
+ }
+
+ multipart_form_data_parser.set_boundary(std::move(boundary));
+ out = [&](const char *buf, size_t n, uint64_t /*off*/, uint64_t /*len*/) {
+ /* For debug
+ size_t pos = 0;
+ while (pos < n) {
+ auto read_size = (std::min)<size_t>(1, n - pos);
+ auto ret = multipart_form_data_parser.parse(
+ buf + pos, read_size, multipart_receiver, multipart_header);
+ if (!ret) { return false; }
+ pos += read_size;
+ }
+ return true;
+ */
+ return multipart_form_data_parser.parse(buf, n, multipart_receiver,
+ multipart_header);
+ };
+ } else {
+ out = [receiver](const char *buf, size_t n, uint64_t /*off*/,
+ uint64_t /*len*/) { return receiver(buf, n); };
+ }
+
+ if (req.method == "DELETE" && !req.has_header("Content-Length")) {
+ return true;
+ }
+
+ if (!detail::read_content(strm, req, payload_max_length_, res.status, nullptr,
+ out, true)) {
+ return false;
+ }
+
+ if (req.is_multipart_form_data()) {
+ if (!multipart_form_data_parser.is_valid()) {
+ res.status = 400;
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool Server::handle_file_request(const Request &req, Response &res,
+ bool head) {
+ for (const auto &entry : base_dirs_) {
+ // Prefix match
+ if (!req.path.compare(0, entry.mount_point.size(), entry.mount_point)) {
+ std::string sub_path = "/" + req.path.substr(entry.mount_point.size());
+ if (detail::is_valid_path(sub_path)) {
+ auto path = entry.base_dir + sub_path;
+ if (path.back() == '/') { path += "index.html"; }
+
+ if (detail::is_file(path)) {
+ detail::read_file(path, res.body);
+ auto type =
+ detail::find_content_type(path, file_extension_and_mimetype_map_);
+ if (type) { res.set_header("Content-Type", type); }
+ for (const auto &kv : entry.headers) {
+ res.set_header(kv.first.c_str(), kv.second);
+ }
+ res.status = req.has_header("Range") ? 206 : 200;
+ if (!head && file_request_handler_) {
+ file_request_handler_(req, res);
+ }
+ return true;
+ }
+ }
+ }
+ }
+ return false;
+}
+
+socket_t
+Server::create_server_socket(const std::string &host, int port,
+ int socket_flags,
+ SocketOptions socket_options) const {
+ return detail::create_socket(
+ host, std::string(), port, address_family_, socket_flags, tcp_nodelay_,
+ std::move(socket_options),
+ [](socket_t sock, struct addrinfo &ai) -> bool {
+ if (::bind(sock, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen))) {
+ return false;
+ }
+ if (::listen(sock, CPPHTTPLIB_LISTEN_BACKLOG)) { return false; }
+ return true;
+ });
+}
+
+int Server::bind_internal(const std::string &host, int port,
+ int socket_flags) {
+ if (!is_valid()) { return -1; }
+
+ svr_sock_ = create_server_socket(host, port, socket_flags, socket_options_);
+ if (svr_sock_ == INVALID_SOCKET) { return -1; }
+
+ if (port == 0) {
+ struct sockaddr_storage addr;
+ socklen_t addr_len = sizeof(addr);
+ if (getsockname(svr_sock_, reinterpret_cast<struct sockaddr *>(&addr),
+ &addr_len) == -1) {
+ return -1;
+ }
+ if (addr.ss_family == AF_INET) {
+ return ntohs(reinterpret_cast<struct sockaddr_in *>(&addr)->sin_port);
+ } else if (addr.ss_family == AF_INET6) {
+ return ntohs(reinterpret_cast<struct sockaddr_in6 *>(&addr)->sin6_port);
+ } else {
+ return -1;
+ }
+ } else {
+ return port;
+ }
+}
+
+bool Server::listen_internal() {
+ auto ret = true;
+ is_running_ = true;
+ auto se = detail::scope_exit([&]() { is_running_ = false; });
+
+ {
+ std::unique_ptr<TaskQueue> task_queue(new_task_queue());
+
+ while (svr_sock_ != INVALID_SOCKET) {
+#ifndef _WIN32
+ if (idle_interval_sec_ > 0 || idle_interval_usec_ > 0) {
+#endif
+ auto val = detail::select_read(svr_sock_, idle_interval_sec_,
+ idle_interval_usec_);
+ if (val == 0) { // Timeout
+ task_queue->on_idle();
+ continue;
+ }
+#ifndef _WIN32
+ }
+#endif
+ socket_t sock = accept(svr_sock_, nullptr, nullptr);
+
+ if (sock == INVALID_SOCKET) {
+ if (errno == EMFILE) {
+ // The per-process limit of open file descriptors has been reached.
+ // Try to accept new connections after a short sleep.
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ continue;
+ } else if (errno == EINTR || errno == EAGAIN) {
+ continue;
+ }
+ if (svr_sock_ != INVALID_SOCKET) {
+ detail::close_socket(svr_sock_);
+ ret = false;
+ } else {
+ ; // The server socket was closed by user.
+ }
+ break;
+ }
+
+ {
+#ifdef _WIN32
+ auto timeout = static_cast<uint32_t>(read_timeout_sec_ * 1000 +
+ read_timeout_usec_ / 1000);
+ setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout,
+ sizeof(timeout));
+#else
+ timeval tv;
+ tv.tv_sec = static_cast<long>(read_timeout_sec_);
+ tv.tv_usec = static_cast<decltype(tv.tv_usec)>(read_timeout_usec_);
+ setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof(tv));
+#endif
+ }
+ {
+
+#ifdef _WIN32
+ auto timeout = static_cast<uint32_t>(write_timeout_sec_ * 1000 +
+ write_timeout_usec_ / 1000);
+ setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char *)&timeout,
+ sizeof(timeout));
+#else
+ timeval tv;
+ tv.tv_sec = static_cast<long>(write_timeout_sec_);
+ tv.tv_usec = static_cast<decltype(tv.tv_usec)>(write_timeout_usec_);
+ setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv, sizeof(tv));
+#endif
+ }
+
+ task_queue->enqueue([this, sock]() { process_and_close_socket(sock); });
+ }
+
+ task_queue->shutdown();
+ }
+
+ return ret;
+}
+
+bool Server::routing(Request &req, Response &res, Stream &strm) {
+ if (pre_routing_handler_ &&
+ pre_routing_handler_(req, res) == HandlerResponse::Handled) {
+ return true;
+ }
+
+ // File handler
+ bool is_head_request = req.method == "HEAD";
+ if ((req.method == "GET" || is_head_request) &&
+ handle_file_request(req, res, is_head_request)) {
+ return true;
+ }
+
+ if (detail::expect_content(req)) {
+ // Content reader handler
+ {
+ ContentReader reader(
+ [&](ContentReceiver receiver) {
+ return read_content_with_content_receiver(
+ strm, req, res, std::move(receiver), nullptr, nullptr);
+ },
+ [&](MultipartContentHeader header, ContentReceiver receiver) {
+ return read_content_with_content_receiver(strm, req, res, nullptr,
+ std::move(header),
+ std::move(receiver));
+ });
+
+ if (req.method == "POST") {
+ if (dispatch_request_for_content_reader(
+ req, res, std::move(reader),
+ post_handlers_for_content_reader_)) {
+ return true;
+ }
+ } else if (req.method == "PUT") {
+ if (dispatch_request_for_content_reader(
+ req, res, std::move(reader),
+ put_handlers_for_content_reader_)) {
+ return true;
+ }
+ } else if (req.method == "PATCH") {
+ if (dispatch_request_for_content_reader(
+ req, res, std::move(reader),
+ patch_handlers_for_content_reader_)) {
+ return true;
+ }
+ } else if (req.method == "DELETE") {
+ if (dispatch_request_for_content_reader(
+ req, res, std::move(reader),
+ delete_handlers_for_content_reader_)) {
+ return true;
+ }
+ }
+ }
+
+ // Read content into `req.body`
+ if (!read_content(strm, req, res)) { return false; }
+ }
+
+ // Regular handler
+ if (req.method == "GET" || req.method == "HEAD") {
+ return dispatch_request(req, res, get_handlers_);
+ } else if (req.method == "POST") {
+ return dispatch_request(req, res, post_handlers_);
+ } else if (req.method == "PUT") {
+ return dispatch_request(req, res, put_handlers_);
+ } else if (req.method == "DELETE") {
+ return dispatch_request(req, res, delete_handlers_);
+ } else if (req.method == "OPTIONS") {
+ return dispatch_request(req, res, options_handlers_);
+ } else if (req.method == "PATCH") {
+ return dispatch_request(req, res, patch_handlers_);
+ }
+
+ res.status = 400;
+ return false;
+}
+
+bool Server::dispatch_request(Request &req, Response &res,
+ const Handlers &handlers) {
+ for (const auto &x : handlers) {
+ const auto &pattern = x.first;
+ const auto &handler = x.second;
+
+ if (std::regex_match(req.path, req.matches, pattern)) {
+ handler(req, res);
+ return true;
+ }
+ }
+ return false;
+}
+
+void Server::apply_ranges(const Request &req, Response &res,
+ std::string &content_type,
+ std::string &boundary) {
+ if (req.ranges.size() > 1) {
+ boundary = detail::make_multipart_data_boundary();
+
+ auto it = res.headers.find("Content-Type");
+ if (it != res.headers.end()) {
+ content_type = it->second;
+ res.headers.erase(it);
+ }
+
+ res.set_header("Content-Type",
+ "multipart/byteranges; boundary=" + boundary);
+ }
+
+ auto type = detail::encoding_type(req, res);
+
+ if (res.body.empty()) {
+ if (res.content_length_ > 0) {
+ size_t length = 0;
+ if (req.ranges.empty()) {
+ length = res.content_length_;
+ } else if (req.ranges.size() == 1) {
+ auto offsets =
+ detail::get_range_offset_and_length(req, res.content_length_, 0);
+ auto offset = offsets.first;
+ length = offsets.second;
+ auto content_range = detail::make_content_range_header_field(
+ offset, length, res.content_length_);
+ res.set_header("Content-Range", content_range);
+ } else {
+ length = detail::get_multipart_ranges_data_length(req, res, boundary,
+ content_type);
+ }
+ res.set_header("Content-Length", std::to_string(length));
+ } else {
+ if (res.content_provider_) {
+ if (res.is_chunked_content_provider_) {
+ res.set_header("Transfer-Encoding", "chunked");
+ if (type == detail::EncodingType::Gzip) {
+ res.set_header("Content-Encoding", "gzip");
+ } else if (type == detail::EncodingType::Brotli) {
+ res.set_header("Content-Encoding", "br");
+ }
+ }
+ }
+ }
+ } else {
+ if (req.ranges.empty()) {
+ ;
+ } else if (req.ranges.size() == 1) {
+ auto offsets =
+ detail::get_range_offset_and_length(req, res.body.size(), 0);
+ auto offset = offsets.first;
+ auto length = offsets.second;
+ auto content_range = detail::make_content_range_header_field(
+ offset, length, res.body.size());
+ res.set_header("Content-Range", content_range);
+ if (offset < res.body.size()) {
+ res.body = res.body.substr(offset, length);
+ } else {
+ res.body.clear();
+ res.status = 416;
+ }
+ } else {
+ std::string data;
+ if (detail::make_multipart_ranges_data(req, res, boundary, content_type,
+ data)) {
+ res.body.swap(data);
+ } else {
+ res.body.clear();
+ res.status = 416;
+ }
+ }
+
+ if (type != detail::EncodingType::None) {
+ std::unique_ptr<detail::compressor> compressor;
+ std::string content_encoding;
+
+ if (type == detail::EncodingType::Gzip) {
+#ifdef CPPHTTPLIB_ZLIB_SUPPORT
+ compressor = detail::make_unique<detail::gzip_compressor>();
+ content_encoding = "gzip";
+#endif
+ } else if (type == detail::EncodingType::Brotli) {
+#ifdef CPPHTTPLIB_BROTLI_SUPPORT
+ compressor = detail::make_unique<detail::brotli_compressor>();
+ content_encoding = "br";
+#endif
+ }
+
+ if (compressor) {
+ std::string compressed;
+ if (compressor->compress(res.body.data(), res.body.size(), true,
+ [&](const char *data, size_t data_len) {
+ compressed.append(data, data_len);
+ return true;
+ })) {
+ res.body.swap(compressed);
+ res.set_header("Content-Encoding", content_encoding);
+ }
+ }
+ }
+
+ auto length = std::to_string(res.body.size());
+ res.set_header("Content-Length", length);
+ }
+}
+
+bool Server::dispatch_request_for_content_reader(
+ Request &req, Response &res, ContentReader content_reader,
+ const HandlersForContentReader &handlers) {
+ for (const auto &x : handlers) {
+ const auto &pattern = x.first;
+ const auto &handler = x.second;
+
+ if (std::regex_match(req.path, req.matches, pattern)) {
+ handler(req, res, content_reader);
+ return true;
+ }
+ }
+ return false;
+}
+
+bool
+Server::process_request(Stream &strm, bool close_connection,
+ bool &connection_closed,
+ const std::function<void(Request &)> &setup_request) {
+ std::array<char, 2048> buf{};
+
+ detail::stream_line_reader line_reader(strm, buf.data(), buf.size());
+
+ // Connection has been closed on client
+ if (!line_reader.getline()) { return false; }
+
+ Request req;
+ Response res;
+
+ res.version = "HTTP/1.1";
+
+ for (const auto &header : default_headers_) {
+ if (res.headers.find(header.first) == res.headers.end()) {
+ res.headers.insert(header);
+ }
+ }
+
+#ifdef _WIN32
+ // TODO: Increase FD_SETSIZE statically (libzmq), dynamically (MySQL).
+#else
+#ifndef CPPHTTPLIB_USE_POLL
+ // Socket file descriptor exceeded FD_SETSIZE...
+ if (strm.socket() >= FD_SETSIZE) {
+ Headers dummy;
+ detail::read_headers(strm, dummy);
+ res.status = 500;
+ return write_response(strm, close_connection, req, res);
+ }
+#endif
+#endif
+
+ // Check if the request URI doesn't exceed the limit
+ if (line_reader.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH) {
+ Headers dummy;
+ detail::read_headers(strm, dummy);
+ res.status = 414;
+ return write_response(strm, close_connection, req, res);
+ }
+
+ // Request line and headers
+ if (!parse_request_line(line_reader.ptr(), req) ||
+ !detail::read_headers(strm, req.headers)) {
+ res.status = 400;
+ return write_response(strm, close_connection, req, res);
+ }
+
+ if (req.get_header_value("Connection") == "close") {
+ connection_closed = true;
+ }
+
+ if (req.version == "HTTP/1.0" &&
+ req.get_header_value("Connection") != "Keep-Alive") {
+ connection_closed = true;
+ }
+
+ strm.get_remote_ip_and_port(req.remote_addr, req.remote_port);
+ req.set_header("REMOTE_ADDR", req.remote_addr);
+ req.set_header("REMOTE_PORT", std::to_string(req.remote_port));
+
+ strm.get_local_ip_and_port(req.local_addr, req.local_port);
+ req.set_header("LOCAL_ADDR", req.local_addr);
+ req.set_header("LOCAL_PORT", std::to_string(req.local_port));
+
+ if (req.has_header("Range")) {
+ const auto &range_header_value = req.get_header_value("Range");
+ if (!detail::parse_range_header(range_header_value, req.ranges)) {
+ res.status = 416;
+ return write_response(strm, close_connection, req, res);
+ }
+ }
+
+ if (setup_request) { setup_request(req); }
+
+ if (req.get_header_value("Expect") == "100-continue") {
+ auto status = 100;
+ if (expect_100_continue_handler_) {
+ status = expect_100_continue_handler_(req, res);
+ }
+ switch (status) {
+ case 100:
+ case 417:
+ strm.write_format("HTTP/1.1 %d %s\r\n\r\n", status,
+ detail::status_message(status));
+ break;
+ default: return write_response(strm, close_connection, req, res);
+ }
+ }
+
+ // Rounting
+ bool routed = false;
+#ifdef CPPHTTPLIB_NO_EXCEPTIONS
+ routed = routing(req, res, strm);
+#else
+ try {
+ routed = routing(req, res, strm);
+ } catch (std::exception &e) {
+ if (exception_handler_) {
+ auto ep = std::current_exception();
+ exception_handler_(req, res, ep);
+ routed = true;
+ } else {
+ res.status = 500;
+ std::string val;
+ auto s = e.what();
+ for (size_t i = 0; s[i]; i++) {
+ switch (s[i]) {
+ case '\r': val += "\\r"; break;
+ case '\n': val += "\\n"; break;
+ default: val += s[i]; break;
+ }
+ }
+ res.set_header("EXCEPTION_WHAT", val);
+ }
+ } catch (...) {
+ if (exception_handler_) {
+ auto ep = std::current_exception();
+ exception_handler_(req, res, ep);
+ routed = true;
+ } else {
+ res.status = 500;
+ res.set_header("EXCEPTION_WHAT", "UNKNOWN");
+ }
+ }
+#endif
+
+ if (routed) {
+ if (res.status == -1) { res.status = req.ranges.empty() ? 200 : 206; }
+ return write_response_with_content(strm, close_connection, req, res);
+ } else {
+ if (res.status == -1) { res.status = 404; }
+ return write_response(strm, close_connection, req, res);
+ }
+}
+
+bool Server::is_valid() const { return true; }
+
+bool Server::process_and_close_socket(socket_t sock) {
+ auto ret = detail::process_server_socket(
+ svr_sock_, sock, keep_alive_max_count_, keep_alive_timeout_sec_,
+ read_timeout_sec_, read_timeout_usec_, write_timeout_sec_,
+ write_timeout_usec_,
+ [this](Stream &strm, bool close_connection, bool &connection_closed) {
+ return process_request(strm, close_connection, connection_closed,
+ nullptr);
+ });
+
+ detail::shutdown_socket(sock);
+ detail::close_socket(sock);
+ return ret;
+}
+
+// HTTP client implementation
+ClientImpl::ClientImpl(const std::string &host)
+ : ClientImpl(host, 80, std::string(), std::string()) {}
+
+ClientImpl::ClientImpl(const std::string &host, int port)
+ : ClientImpl(host, port, std::string(), std::string()) {}
+
+ClientImpl::ClientImpl(const std::string &host, int port,
+ const std::string &client_cert_path,
+ const std::string &client_key_path)
+ : host_(host), port_(port),
+ host_and_port_(adjust_host_string(host) + ":" + std::to_string(port)),
+ client_cert_path_(client_cert_path), client_key_path_(client_key_path) {}
+
+ClientImpl::~ClientImpl() {
+ std::lock_guard<std::mutex> guard(socket_mutex_);
+ shutdown_socket(socket_);
+ close_socket(socket_);
+}
+
+bool ClientImpl::is_valid() const { return true; }
+
+void ClientImpl::copy_settings(const ClientImpl &rhs) {
+ client_cert_path_ = rhs.client_cert_path_;
+ client_key_path_ = rhs.client_key_path_;
+ connection_timeout_sec_ = rhs.connection_timeout_sec_;
+ read_timeout_sec_ = rhs.read_timeout_sec_;
+ read_timeout_usec_ = rhs.read_timeout_usec_;
+ write_timeout_sec_ = rhs.write_timeout_sec_;
+ write_timeout_usec_ = rhs.write_timeout_usec_;
+ basic_auth_username_ = rhs.basic_auth_username_;
+ basic_auth_password_ = rhs.basic_auth_password_;
+ bearer_token_auth_token_ = rhs.bearer_token_auth_token_;
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ digest_auth_username_ = rhs.digest_auth_username_;
+ digest_auth_password_ = rhs.digest_auth_password_;
+#endif
+ keep_alive_ = rhs.keep_alive_;
+ follow_location_ = rhs.follow_location_;
+ url_encode_ = rhs.url_encode_;
+ address_family_ = rhs.address_family_;
+ tcp_nodelay_ = rhs.tcp_nodelay_;
+ socket_options_ = rhs.socket_options_;
+ compress_ = rhs.compress_;
+ decompress_ = rhs.decompress_;
+ interface_ = rhs.interface_;
+ proxy_host_ = rhs.proxy_host_;
+ proxy_port_ = rhs.proxy_port_;
+ proxy_basic_auth_username_ = rhs.proxy_basic_auth_username_;
+ proxy_basic_auth_password_ = rhs.proxy_basic_auth_password_;
+ proxy_bearer_token_auth_token_ = rhs.proxy_bearer_token_auth_token_;
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ proxy_digest_auth_username_ = rhs.proxy_digest_auth_username_;
+ proxy_digest_auth_password_ = rhs.proxy_digest_auth_password_;
+#endif
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ ca_cert_file_path_ = rhs.ca_cert_file_path_;
+ ca_cert_dir_path_ = rhs.ca_cert_dir_path_;
+ ca_cert_store_ = rhs.ca_cert_store_;
+#endif
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ server_certificate_verification_ = rhs.server_certificate_verification_;
+#endif
+ logger_ = rhs.logger_;
+}
+
+socket_t ClientImpl::create_client_socket(Error &error) const {
+ if (!proxy_host_.empty() && proxy_port_ != -1) {
+ return detail::create_client_socket(
+ proxy_host_, std::string(), proxy_port_, address_family_, tcp_nodelay_,
+ socket_options_, connection_timeout_sec_, connection_timeout_usec_,
+ read_timeout_sec_, read_timeout_usec_, write_timeout_sec_,
+ write_timeout_usec_, interface_, error);
+ }
+
+ // Check is custom IP specified for host_
+ std::string ip;
+ auto it = addr_map_.find(host_);
+ if (it != addr_map_.end()) ip = it->second;
+
+ return detail::create_client_socket(
+ host_, ip, port_, address_family_, tcp_nodelay_, socket_options_,
+ connection_timeout_sec_, connection_timeout_usec_, read_timeout_sec_,
+ read_timeout_usec_, write_timeout_sec_, write_timeout_usec_, interface_,
+ error);
+}
+
+bool ClientImpl::create_and_connect_socket(Socket &socket,
+ Error &error) {
+ auto sock = create_client_socket(error);
+ if (sock == INVALID_SOCKET) { return false; }
+ socket.sock = sock;
+ return true;
+}
+
+void ClientImpl::shutdown_ssl(Socket & /*socket*/,
+ bool /*shutdown_gracefully*/) {
+ // If there are any requests in flight from threads other than us, then it's
+ // a thread-unsafe race because individual ssl* objects are not thread-safe.
+ assert(socket_requests_in_flight_ == 0 ||
+ socket_requests_are_from_thread_ == std::this_thread::get_id());
+}
+
+void ClientImpl::shutdown_socket(Socket &socket) {
+ if (socket.sock == INVALID_SOCKET) { return; }
+ detail::shutdown_socket(socket.sock);
+}
+
+void ClientImpl::close_socket(Socket &socket) {
+ // If there are requests in flight in another thread, usually closing
+ // the socket will be fine and they will simply receive an error when
+ // using the closed socket, but it is still a bug since rarely the OS
+ // may reassign the socket id to be used for a new socket, and then
+ // suddenly they will be operating on a live socket that is different
+ // than the one they intended!
+ assert(socket_requests_in_flight_ == 0 ||
+ socket_requests_are_from_thread_ == std::this_thread::get_id());
+
+ // It is also a bug if this happens while SSL is still active
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ assert(socket.ssl == nullptr);
+#endif
+ if (socket.sock == INVALID_SOCKET) { return; }
+ detail::close_socket(socket.sock);
+ socket.sock = INVALID_SOCKET;
+}
+
+bool ClientImpl::read_response_line(Stream &strm, const Request &req,
+ Response &res) {
+ std::array<char, 2048> buf{};
+
+ detail::stream_line_reader line_reader(strm, buf.data(), buf.size());
+
+ if (!line_reader.getline()) { return false; }
+
+#ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR
+ const static std::regex re("(HTTP/1\\.[01]) (\\d{3})(?: (.*?))?\r\n");
+#else
+ const static std::regex re("(HTTP/1\\.[01]) (\\d{3})(?: (.*?))?\r?\n");
+#endif
+
+ std::cmatch m;
+ if (!std::regex_match(line_reader.ptr(), m, re)) {
+ return req.method == "CONNECT";
+ }
+ res.version = std::string(m[1]);
+ res.status = std::stoi(std::string(m[2]));
+ res.reason = std::string(m[3]);
+
+ // Ignore '100 Continue'
+ while (res.status == 100) {
+ if (!line_reader.getline()) { return false; } // CRLF
+ if (!line_reader.getline()) { return false; } // next response line
+
+ if (!std::regex_match(line_reader.ptr(), m, re)) { return false; }
+ res.version = std::string(m[1]);
+ res.status = std::stoi(std::string(m[2]));
+ res.reason = std::string(m[3]);
+ }
+
+ return true;
+}
+
+bool ClientImpl::send(Request &req, Response &res, Error &error) {
+ std::lock_guard<std::recursive_mutex> request_mutex_guard(request_mutex_);
+ auto ret = send_(req, res, error);
+ if (error == Error::SSLPeerCouldBeClosed_) {
+ assert(!ret);
+ ret = send_(req, res, error);
+ }
+ return ret;
+}
+
+bool ClientImpl::send_(Request &req, Response &res, Error &error) {
+ {
+ std::lock_guard<std::mutex> guard(socket_mutex_);
+
+ // Set this to false immediately - if it ever gets set to true by the end of
+ // the request, we know another thread instructed us to close the socket.
+ socket_should_be_closed_when_request_is_done_ = false;
+
+ auto is_alive = false;
+ if (socket_.is_open()) {
+ is_alive = detail::is_socket_alive(socket_.sock);
+ if (!is_alive) {
+ // Attempt to avoid sigpipe by shutting down nongracefully if it seems
+ // like the other side has already closed the connection Also, there
+ // cannot be any requests in flight from other threads since we locked
+ // request_mutex_, so safe to close everything immediately
+ const bool shutdown_gracefully = false;
+ shutdown_ssl(socket_, shutdown_gracefully);
+ shutdown_socket(socket_);
+ close_socket(socket_);
+ }
+ }
+
+ if (!is_alive) {
+ if (!create_and_connect_socket(socket_, error)) { return false; }
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ // TODO: refactoring
+ if (is_ssl()) {
+ auto &scli = static_cast<SSLClient &>(*this);
+ if (!proxy_host_.empty() && proxy_port_ != -1) {
+ auto success = false;
+ if (!scli.connect_with_proxy(socket_, res, success, error)) {
+ return success;
+ }
+ }
+
+ if (!scli.initialize_ssl(socket_, error)) { return false; }
+ }
+#endif
+ }
+
+ // Mark the current socket as being in use so that it cannot be closed by
+ // anyone else while this request is ongoing, even though we will be
+ // releasing the mutex.
+ if (socket_requests_in_flight_ > 1) {
+ assert(socket_requests_are_from_thread_ == std::this_thread::get_id());
+ }
+ socket_requests_in_flight_ += 1;
+ socket_requests_are_from_thread_ = std::this_thread::get_id();
+ }
+
+ for (const auto &header : default_headers_) {
+ if (req.headers.find(header.first) == req.headers.end()) {
+ req.headers.insert(header);
+ }
+ }
+
+ auto ret = false;
+ auto close_connection = !keep_alive_;
+
+ auto se = detail::scope_exit([&]() {
+ // Briefly lock mutex in order to mark that a request is no longer ongoing
+ std::lock_guard<std::mutex> guard(socket_mutex_);
+ socket_requests_in_flight_ -= 1;
+ if (socket_requests_in_flight_ <= 0) {
+ assert(socket_requests_in_flight_ == 0);
+ socket_requests_are_from_thread_ = std::thread::id();
+ }
+
+ if (socket_should_be_closed_when_request_is_done_ || close_connection ||
+ !ret) {
+ shutdown_ssl(socket_, true);
+ shutdown_socket(socket_);
+ close_socket(socket_);
+ }
+ });
+
+ ret = process_socket(socket_, [&](Stream &strm) {
+ return handle_request(strm, req, res, close_connection, error);
+ });
+
+ if (!ret) {
+ if (error == Error::Success) { error = Error::Unknown; }
+ }
+
+ return ret;
+}
+
+Result ClientImpl::send(const Request &req) {
+ auto req2 = req;
+ return send_(std::move(req2));
+}
+
+Result ClientImpl::send_(Request &&req) {
+ auto res = detail::make_unique<Response>();
+ auto error = Error::Success;
+ auto ret = send(req, *res, error);
+ return Result{ret ? std::move(res) : nullptr, error, std::move(req.headers)};
+}
+
+bool ClientImpl::handle_request(Stream &strm, Request &req,
+ Response &res, bool close_connection,
+ Error &error) {
+ if (req.path.empty()) {
+ error = Error::Connection;
+ return false;
+ }
+
+ auto req_save = req;
+
+ bool ret;
+
+ if (!is_ssl() && !proxy_host_.empty() && proxy_port_ != -1) {
+ auto req2 = req;
+ req2.path = "http://" + host_and_port_ + req.path;
+ ret = process_request(strm, req2, res, close_connection, error);
+ req = req2;
+ req.path = req_save.path;
+ } else {
+ ret = process_request(strm, req, res, close_connection, error);
+ }
+
+ if (!ret) { return false; }
+
+ if (300 < res.status && res.status < 400 && follow_location_) {
+ req = req_save;
+ ret = redirect(req, res, error);
+ }
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ if ((res.status == 401 || res.status == 407) &&
+ req.authorization_count_ < 5) {
+ auto is_proxy = res.status == 407;
+ const auto &username =
+ is_proxy ? proxy_digest_auth_username_ : digest_auth_username_;
+ const auto &password =
+ is_proxy ? proxy_digest_auth_password_ : digest_auth_password_;
+
+ if (!username.empty() && !password.empty()) {
+ std::map<std::string, std::string> auth;
+ if (detail::parse_www_authenticate(res, auth, is_proxy)) {
+ Request new_req = req;
+ new_req.authorization_count_ += 1;
+ new_req.headers.erase(is_proxy ? "Proxy-Authorization"
+ : "Authorization");
+ new_req.headers.insert(detail::make_digest_authentication_header(
+ req, auth, new_req.authorization_count_, detail::random_string(10),
+ username, password, is_proxy));
+
+ Response new_res;
+
+ ret = send(new_req, new_res, error);
+ if (ret) { res = new_res; }
+ }
+ }
+ }
+#endif
+
+ return ret;
+}
+
+bool ClientImpl::redirect(Request &req, Response &res, Error &error) {
+ if (req.redirect_count_ == 0) {
+ error = Error::ExceedRedirectCount;
+ return false;
+ }
+
+ auto location = res.get_header_value("location");
+ if (location.empty()) { return false; }
+
+ const static std::regex re(
+ R"((?:(https?):)?(?://(?:\[([\d:]+)\]|([^:/?#]+))(?::(\d+))?)?([^?#]*)(\?[^#]*)?(?:#.*)?)");
+
+ std::smatch m;
+ if (!std::regex_match(location, m, re)) { return false; }
+
+ auto scheme = is_ssl() ? "https" : "http";
+
+ auto next_scheme = m[1].str();
+ auto next_host = m[2].str();
+ if (next_host.empty()) { next_host = m[3].str(); }
+ auto port_str = m[4].str();
+ auto next_path = m[5].str();
+ auto next_query = m[6].str();
+
+ auto next_port = port_;
+ if (!port_str.empty()) {
+ next_port = std::stoi(port_str);
+ } else if (!next_scheme.empty()) {
+ next_port = next_scheme == "https" ? 443 : 80;
+ }
+
+ if (next_scheme.empty()) { next_scheme = scheme; }
+ if (next_host.empty()) { next_host = host_; }
+ if (next_path.empty()) { next_path = "/"; }
+
+ auto path = detail::decode_url(next_path, true) + next_query;
+
+ if (next_scheme == scheme && next_host == host_ && next_port == port_) {
+ return detail::redirect(*this, req, res, path, location, error);
+ } else {
+ if (next_scheme == "https") {
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ SSLClient cli(next_host.c_str(), next_port);
+ cli.copy_settings(*this);
+ if (ca_cert_store_) { cli.set_ca_cert_store(ca_cert_store_); }
+ return detail::redirect(cli, req, res, path, location, error);
+#else
+ return false;
+#endif
+ } else {
+ ClientImpl cli(next_host.c_str(), next_port);
+ cli.copy_settings(*this);
+ return detail::redirect(cli, req, res, path, location, error);
+ }
+ }
+}
+
+bool ClientImpl::write_content_with_provider(Stream &strm,
+ const Request &req,
+ Error &error) {
+ auto is_shutting_down = []() { return false; };
+
+ if (req.is_chunked_content_provider_) {
+ // TODO: Brotli support
+ std::unique_ptr<detail::compressor> compressor;
+#ifdef CPPHTTPLIB_ZLIB_SUPPORT
+ if (compress_) {
+ compressor = detail::make_unique<detail::gzip_compressor>();
+ } else
+#endif
+ {
+ compressor = detail::make_unique<detail::nocompressor>();
+ }
+
+ return detail::write_content_chunked(strm, req.content_provider_,
+ is_shutting_down, *compressor, error);
+ } else {
+ return detail::write_content(strm, req.content_provider_, 0,
+ req.content_length_, is_shutting_down, error);
+ }
+}
+
+bool ClientImpl::write_request(Stream &strm, Request &req,
+ bool close_connection, Error &error) {
+ // Prepare additional headers
+ if (close_connection) {
+ if (!req.has_header("Connection")) {
+ req.set_header("Connection", "close");
+ }
+ }
+
+ if (!req.has_header("Host")) {
+ if (is_ssl()) {
+ if (port_ == 443) {
+ req.set_header("Host", host_);
+ } else {
+ req.set_header("Host", host_and_port_);
+ }
+ } else {
+ if (port_ == 80) {
+ req.set_header("Host", host_);
+ } else {
+ req.set_header("Host", host_and_port_);
+ }
+ }
+ }
+
+ if (!req.has_header("Accept")) { req.set_header("Accept", "*/*"); }
+
+#ifndef CPPHTTPLIB_NO_DEFAULT_USER_AGENT
+ if (!req.has_header("User-Agent")) {
+ auto agent = std::string("cpp-httplib/") + CPPHTTPLIB_VERSION;
+ req.set_header("User-Agent", agent);
+ }
+#endif
+
+ if (req.body.empty()) {
+ if (req.content_provider_) {
+ if (!req.is_chunked_content_provider_) {
+ if (!req.has_header("Content-Length")) {
+ auto length = std::to_string(req.content_length_);
+ req.set_header("Content-Length", length);
+ }
+ }
+ } else {
+ if (req.method == "POST" || req.method == "PUT" ||
+ req.method == "PATCH") {
+ req.set_header("Content-Length", "0");
+ }
+ }
+ } else {
+ if (!req.has_header("Content-Type")) {
+ req.set_header("Content-Type", "text/plain");
+ }
+
+ if (!req.has_header("Content-Length")) {
+ auto length = std::to_string(req.body.size());
+ req.set_header("Content-Length", length);
+ }
+ }
+
+ if (!basic_auth_password_.empty() || !basic_auth_username_.empty()) {
+ if (!req.has_header("Authorization")) {
+ req.headers.insert(make_basic_authentication_header(
+ basic_auth_username_, basic_auth_password_, false));
+ }
+ }
+
+ if (!proxy_basic_auth_username_.empty() &&
+ !proxy_basic_auth_password_.empty()) {
+ if (!req.has_header("Proxy-Authorization")) {
+ req.headers.insert(make_basic_authentication_header(
+ proxy_basic_auth_username_, proxy_basic_auth_password_, true));
+ }
+ }
+
+ if (!bearer_token_auth_token_.empty()) {
+ if (!req.has_header("Authorization")) {
+ req.headers.insert(make_bearer_token_authentication_header(
+ bearer_token_auth_token_, false));
+ }
+ }
+
+ if (!proxy_bearer_token_auth_token_.empty()) {
+ if (!req.has_header("Proxy-Authorization")) {
+ req.headers.insert(make_bearer_token_authentication_header(
+ proxy_bearer_token_auth_token_, true));
+ }
+ }
+
+ // Request line and headers
+ {
+ detail::BufferStream bstrm;
+
+ const auto &path = url_encode_ ? detail::encode_url(req.path) : req.path;
+ bstrm.write_format("%s %s HTTP/1.1\r\n", req.method.c_str(), path.c_str());
+
+ detail::write_headers(bstrm, req.headers);
+
+ // Flush buffer
+ auto &data = bstrm.get_buffer();
+ if (!detail::write_data(strm, data.data(), data.size())) {
+ error = Error::Write;
+ return false;
+ }
+ }
+
+ // Body
+ if (req.body.empty()) {
+ return write_content_with_provider(strm, req, error);
+ }
+
+ if (!detail::write_data(strm, req.body.data(), req.body.size())) {
+ error = Error::Write;
+ return false;
+ }
+
+ return true;
+}
+
+std::unique_ptr<Response> ClientImpl::send_with_content_provider(
+ Request &req, const char *body, size_t content_length,
+ ContentProvider content_provider,
+ ContentProviderWithoutLength content_provider_without_length,
+ const std::string &content_type, Error &error) {
+ if (!content_type.empty()) { req.set_header("Content-Type", content_type); }
+
+#ifdef CPPHTTPLIB_ZLIB_SUPPORT
+ if (compress_) { req.set_header("Content-Encoding", "gzip"); }
+#endif
+
+#ifdef CPPHTTPLIB_ZLIB_SUPPORT
+ if (compress_ && !content_provider_without_length) {
+ // TODO: Brotli support
+ detail::gzip_compressor compressor;
+
+ if (content_provider) {
+ auto ok = true;
+ size_t offset = 0;
+ DataSink data_sink;
+
+ data_sink.write = [&](const char *data, size_t data_len) -> bool {
+ if (ok) {
+ auto last = offset + data_len == content_length;
+
+ auto ret = compressor.compress(
+ data, data_len, last,
+ [&](const char *compressed_data, size_t compressed_data_len) {
+ req.body.append(compressed_data, compressed_data_len);
+ return true;
+ });
+
+ if (ret) {
+ offset += data_len;
+ } else {
+ ok = false;
+ }
+ }
+ return ok;
+ };
+
+ while (ok && offset < content_length) {
+ if (!content_provider(offset, content_length - offset, data_sink)) {
+ error = Error::Canceled;
+ return nullptr;
+ }
+ }
+ } else {
+ if (!compressor.compress(body, content_length, true,
+ [&](const char *data, size_t data_len) {
+ req.body.append(data, data_len);
+ return true;
+ })) {
+ error = Error::Compression;
+ return nullptr;
+ }
+ }
+ } else
+#endif
+ {
+ if (content_provider) {
+ req.content_length_ = content_length;
+ req.content_provider_ = std::move(content_provider);
+ req.is_chunked_content_provider_ = false;
+ } else if (content_provider_without_length) {
+ req.content_length_ = 0;
+ req.content_provider_ = detail::ContentProviderAdapter(
+ std::move(content_provider_without_length));
+ req.is_chunked_content_provider_ = true;
+ req.set_header("Transfer-Encoding", "chunked");
+ } else {
+ req.body.assign(body, content_length);
+ }
+ }
+
+ auto res = detail::make_unique<Response>();
+ return send(req, *res, error) ? std::move(res) : nullptr;
+}
+
+Result ClientImpl::send_with_content_provider(
+ const std::string &method, const std::string &path, const Headers &headers,
+ const char *body, size_t content_length, ContentProvider content_provider,
+ ContentProviderWithoutLength content_provider_without_length,
+ const std::string &content_type) {
+ Request req;
+ req.method = method;
+ req.headers = headers;
+ req.path = path;
+
+ auto error = Error::Success;
+
+ auto res = send_with_content_provider(
+ req, body, content_length, std::move(content_provider),
+ std::move(content_provider_without_length), content_type, error);
+
+ return Result{std::move(res), error, std::move(req.headers)};
+}
+
+std::string
+ClientImpl::adjust_host_string(const std::string &host) const {
+ if (host.find(':') != std::string::npos) { return "[" + host + "]"; }
+ return host;
+}
+
+bool ClientImpl::process_request(Stream &strm, Request &req,
+ Response &res, bool close_connection,
+ Error &error) {
+ // Send request
+ if (!write_request(strm, req, close_connection, error)) { return false; }
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ if (is_ssl()) {
+ auto is_proxy_enabled = !proxy_host_.empty() && proxy_port_ != -1;
+ if (!is_proxy_enabled) {
+ char buf[1];
+ if (SSL_peek(socket_.ssl, buf, 1) == 0 &&
+ SSL_get_error(socket_.ssl, 0) == SSL_ERROR_ZERO_RETURN) {
+ error = Error::SSLPeerCouldBeClosed_;
+ return false;
+ }
+ }
+ }
+#endif
+
+ // Receive response and headers
+ if (!read_response_line(strm, req, res) ||
+ !detail::read_headers(strm, res.headers)) {
+ error = Error::Read;
+ return false;
+ }
+
+ // Body
+ if ((res.status != 204) && req.method != "HEAD" && req.method != "CONNECT") {
+ auto redirect = 300 < res.status && res.status < 400 && follow_location_;
+
+ if (req.response_handler && !redirect) {
+ if (!req.response_handler(res)) {
+ error = Error::Canceled;
+ return false;
+ }
+ }
+
+ auto out =
+ req.content_receiver
+ ? static_cast<ContentReceiverWithProgress>(
+ [&](const char *buf, size_t n, uint64_t off, uint64_t len) {
+ if (redirect) { return true; }
+ auto ret = req.content_receiver(buf, n, off, len);
+ if (!ret) { error = Error::Canceled; }
+ return ret;
+ })
+ : static_cast<ContentReceiverWithProgress>(
+ [&](const char *buf, size_t n, uint64_t /*off*/,
+ uint64_t /*len*/) {
+ if (res.body.size() + n > res.body.max_size()) {
+ return false;
+ }
+ res.body.append(buf, n);
+ return true;
+ });
+
+ auto progress = [&](uint64_t current, uint64_t total) {
+ if (!req.progress || redirect) { return true; }
+ auto ret = req.progress(current, total);
+ if (!ret) { error = Error::Canceled; }
+ return ret;
+ };
+
+ int dummy_status;
+ if (!detail::read_content(strm, res, (std::numeric_limits<size_t>::max)(),
+ dummy_status, std::move(progress), std::move(out),
+ decompress_)) {
+ if (error != Error::Canceled) { error = Error::Read; }
+ return false;
+ }
+ }
+
+ if (res.get_header_value("Connection") == "close" ||
+ (res.version == "HTTP/1.0" && res.reason != "Connection established")) {
+ // TODO this requires a not-entirely-obvious chain of calls to be correct
+ // for this to be safe. Maybe a code refactor (such as moving this out to
+ // the send function and getting rid of the recursiveness of the mutex)
+ // could make this more obvious.
+
+ // This is safe to call because process_request is only called by
+ // handle_request which is only called by send, which locks the request
+ // mutex during the process. It would be a bug to call it from a different
+ // thread since it's a thread-safety issue to do these things to the socket
+ // if another thread is using the socket.
+ std::lock_guard<std::mutex> guard(socket_mutex_);
+ shutdown_ssl(socket_, true);
+ shutdown_socket(socket_);
+ close_socket(socket_);
+ }
+
+ // Log
+ if (logger_) { logger_(req, res); }
+
+ return true;
+}
+
+ContentProviderWithoutLength ClientImpl::get_multipart_content_provider(
+ const std::string &boundary, const MultipartFormDataItems &items,
+ const MultipartFormDataProviderItems &provider_items) {
+ size_t cur_item = 0, cur_start = 0;
+ // cur_item and cur_start are copied to within the std::function and maintain
+ // state between successive calls
+ return [&, cur_item, cur_start](size_t offset,
+ DataSink &sink) mutable -> bool {
+ if (!offset && items.size()) {
+ sink.os << detail::serialize_multipart_formdata(items, boundary, false);
+ return true;
+ } else if (cur_item < provider_items.size()) {
+ if (!cur_start) {
+ const auto &begin = detail::serialize_multipart_formdata_item_begin(
+ provider_items[cur_item], boundary);
+ offset += begin.size();
+ cur_start = offset;
+ sink.os << begin;
+ }
+
+ DataSink cur_sink;
+ bool has_data = true;
+ cur_sink.write = sink.write;
+ cur_sink.done = [&]() { has_data = false; };
+
+ if (!provider_items[cur_item].provider(offset - cur_start, cur_sink))
+ return false;
+
+ if (!has_data) {
+ sink.os << detail::serialize_multipart_formdata_item_end();
+ cur_item++;
+ cur_start = 0;
+ }
+ return true;
+ } else {
+ sink.os << detail::serialize_multipart_formdata_finish(boundary);
+ sink.done();
+ return true;
+ }
+ };
+}
+
+bool
+ClientImpl::process_socket(const Socket &socket,
+ std::function<bool(Stream &strm)> callback) {
+ return detail::process_client_socket(
+ socket.sock, read_timeout_sec_, read_timeout_usec_, write_timeout_sec_,
+ write_timeout_usec_, std::move(callback));
+}
+
+bool ClientImpl::is_ssl() const { return false; }
+
+Result ClientImpl::Get(const std::string &path) {
+ return Get(path, Headers(), Progress());
+}
+
+Result ClientImpl::Get(const std::string &path, Progress progress) {
+ return Get(path, Headers(), std::move(progress));
+}
+
+Result ClientImpl::Get(const std::string &path, const Headers &headers) {
+ return Get(path, headers, Progress());
+}
+
+Result ClientImpl::Get(const std::string &path, const Headers &headers,
+ Progress progress) {
+ Request req;
+ req.method = "GET";
+ req.path = path;
+ req.headers = headers;
+ req.progress = std::move(progress);
+
+ return send_(std::move(req));
+}
+
+Result ClientImpl::Get(const std::string &path,
+ ContentReceiver content_receiver) {
+ return Get(path, Headers(), nullptr, std::move(content_receiver), nullptr);
+}
+
+Result ClientImpl::Get(const std::string &path,
+ ContentReceiver content_receiver,
+ Progress progress) {
+ return Get(path, Headers(), nullptr, std::move(content_receiver),
+ std::move(progress));
+}
+
+Result ClientImpl::Get(const std::string &path, const Headers &headers,
+ ContentReceiver content_receiver) {
+ return Get(path, headers, nullptr, std::move(content_receiver), nullptr);
+}
+
+Result ClientImpl::Get(const std::string &path, const Headers &headers,
+ ContentReceiver content_receiver,
+ Progress progress) {
+ return Get(path, headers, nullptr, std::move(content_receiver),
+ std::move(progress));
+}
+
+Result ClientImpl::Get(const std::string &path,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver) {
+ return Get(path, Headers(), std::move(response_handler),
+ std::move(content_receiver), nullptr);
+}
+
+Result ClientImpl::Get(const std::string &path, const Headers &headers,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver) {
+ return Get(path, headers, std::move(response_handler),
+ std::move(content_receiver), nullptr);
+}
+
+Result ClientImpl::Get(const std::string &path,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver,
+ Progress progress) {
+ return Get(path, Headers(), std::move(response_handler),
+ std::move(content_receiver), std::move(progress));
+}
+
+Result ClientImpl::Get(const std::string &path, const Headers &headers,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver,
+ Progress progress) {
+ Request req;
+ req.method = "GET";
+ req.path = path;
+ req.headers = headers;
+ req.response_handler = std::move(response_handler);
+ req.content_receiver =
+ [content_receiver](const char *data, size_t data_length,
+ uint64_t /*offset*/, uint64_t /*total_length*/) {
+ return content_receiver(data, data_length);
+ };
+ req.progress = std::move(progress);
+
+ return send_(std::move(req));
+}
+
+Result ClientImpl::Get(const std::string &path, const Params ¶ms,
+ const Headers &headers, Progress progress) {
+ if (params.empty()) { return Get(path, headers); }
+
+ std::string path_with_query = append_query_params(path, params);
+ return Get(path_with_query.c_str(), headers, progress);
+}
+
+Result ClientImpl::Get(const std::string &path, const Params ¶ms,
+ const Headers &headers,
+ ContentReceiver content_receiver,
+ Progress progress) {
+ return Get(path, params, headers, nullptr, content_receiver, progress);
+}
+
+Result ClientImpl::Get(const std::string &path, const Params ¶ms,
+ const Headers &headers,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver,
+ Progress progress) {
+ if (params.empty()) {
+ return Get(path, headers, response_handler, content_receiver, progress);
+ }
+
+ std::string path_with_query = append_query_params(path, params);
+ return Get(path_with_query.c_str(), headers, response_handler,
+ content_receiver, progress);
+}
+
+Result ClientImpl::Head(const std::string &path) {
+ return Head(path, Headers());
+}
+
+Result ClientImpl::Head(const std::string &path,
+ const Headers &headers) {
+ Request req;
+ req.method = "HEAD";
+ req.headers = headers;
+ req.path = path;
+
+ return send_(std::move(req));
+}
+
+Result ClientImpl::Post(const std::string &path) {
+ return Post(path, std::string(), std::string());
+}
+
+Result ClientImpl::Post(const std::string &path,
+ const Headers &headers) {
+ return Post(path, headers, nullptr, 0, std::string());
+}
+
+Result ClientImpl::Post(const std::string &path, const char *body,
+ size_t content_length,
+ const std::string &content_type) {
+ return Post(path, Headers(), body, content_length, content_type);
+}
+
+Result ClientImpl::Post(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type) {
+ return send_with_content_provider("POST", path, headers, body, content_length,
+ nullptr, nullptr, content_type);
+}
+
+Result ClientImpl::Post(const std::string &path, const std::string &body,
+ const std::string &content_type) {
+ return Post(path, Headers(), body, content_type);
+}
+
+Result ClientImpl::Post(const std::string &path, const Headers &headers,
+ const std::string &body,
+ const std::string &content_type) {
+ return send_with_content_provider("POST", path, headers, body.data(),
+ body.size(), nullptr, nullptr,
+ content_type);
+}
+
+Result ClientImpl::Post(const std::string &path, const Params ¶ms) {
+ return Post(path, Headers(), params);
+}
+
+Result ClientImpl::Post(const std::string &path, size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return Post(path, Headers(), content_length, std::move(content_provider),
+ content_type);
+}
+
+Result ClientImpl::Post(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return Post(path, Headers(), std::move(content_provider), content_type);
+}
+
+Result ClientImpl::Post(const std::string &path, const Headers &headers,
+ size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return send_with_content_provider("POST", path, headers, nullptr,
+ content_length, std::move(content_provider),
+ nullptr, content_type);
+}
+
+Result ClientImpl::Post(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return send_with_content_provider("POST", path, headers, nullptr, 0, nullptr,
+ std::move(content_provider), content_type);
+}
+
+Result ClientImpl::Post(const std::string &path, const Headers &headers,
+ const Params ¶ms) {
+ auto query = detail::params_to_query_str(params);
+ return Post(path, headers, query, "application/x-www-form-urlencoded");
+}
+
+Result ClientImpl::Post(const std::string &path,
+ const MultipartFormDataItems &items) {
+ return Post(path, Headers(), items);
+}
+
+Result ClientImpl::Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items) {
+ const auto &boundary = detail::make_multipart_data_boundary();
+ const auto &content_type =
+ detail::serialize_multipart_formdata_get_content_type(boundary);
+ const auto &body = detail::serialize_multipart_formdata(items, boundary);
+ return Post(path, headers, body, content_type.c_str());
+}
+
+Result ClientImpl::Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const std::string &boundary) {
+ if (!detail::is_multipart_boundary_chars_valid(boundary)) {
+ return Result{nullptr, Error::UnsupportedMultipartBoundaryChars};
+ }
+
+ const auto &content_type =
+ detail::serialize_multipart_formdata_get_content_type(boundary);
+ const auto &body = detail::serialize_multipart_formdata(items, boundary);
+ return Post(path, headers, body, content_type.c_str());
+}
+
+Result
+ClientImpl::Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const MultipartFormDataProviderItems &provider_items) {
+ const auto &boundary = detail::make_multipart_data_boundary();
+ const auto &content_type =
+ detail::serialize_multipart_formdata_get_content_type(boundary);
+ return send_with_content_provider(
+ "POST", path, headers, nullptr, 0, nullptr,
+ get_multipart_content_provider(boundary, items, provider_items),
+ content_type);
+}
+
+Result ClientImpl::Put(const std::string &path) {
+ return Put(path, std::string(), std::string());
+}
+
+Result ClientImpl::Put(const std::string &path, const char *body,
+ size_t content_length,
+ const std::string &content_type) {
+ return Put(path, Headers(), body, content_length, content_type);
+}
+
+Result ClientImpl::Put(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type) {
+ return send_with_content_provider("PUT", path, headers, body, content_length,
+ nullptr, nullptr, content_type);
+}
+
+Result ClientImpl::Put(const std::string &path, const std::string &body,
+ const std::string &content_type) {
+ return Put(path, Headers(), body, content_type);
+}
+
+Result ClientImpl::Put(const std::string &path, const Headers &headers,
+ const std::string &body,
+ const std::string &content_type) {
+ return send_with_content_provider("PUT", path, headers, body.data(),
+ body.size(), nullptr, nullptr,
+ content_type);
+}
+
+Result ClientImpl::Put(const std::string &path, size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return Put(path, Headers(), content_length, std::move(content_provider),
+ content_type);
+}
+
+Result ClientImpl::Put(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return Put(path, Headers(), std::move(content_provider), content_type);
+}
+
+Result ClientImpl::Put(const std::string &path, const Headers &headers,
+ size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return send_with_content_provider("PUT", path, headers, nullptr,
+ content_length, std::move(content_provider),
+ nullptr, content_type);
+}
+
+Result ClientImpl::Put(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return send_with_content_provider("PUT", path, headers, nullptr, 0, nullptr,
+ std::move(content_provider), content_type);
+}
+
+Result ClientImpl::Put(const std::string &path, const Params ¶ms) {
+ return Put(path, Headers(), params);
+}
+
+Result ClientImpl::Put(const std::string &path, const Headers &headers,
+ const Params ¶ms) {
+ auto query = detail::params_to_query_str(params);
+ return Put(path, headers, query, "application/x-www-form-urlencoded");
+}
+
+Result ClientImpl::Put(const std::string &path,
+ const MultipartFormDataItems &items) {
+ return Put(path, Headers(), items);
+}
+
+Result ClientImpl::Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items) {
+ const auto &boundary = detail::make_multipart_data_boundary();
+ const auto &content_type =
+ detail::serialize_multipart_formdata_get_content_type(boundary);
+ const auto &body = detail::serialize_multipart_formdata(items, boundary);
+ return Put(path, headers, body, content_type);
+}
+
+Result ClientImpl::Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const std::string &boundary) {
+ if (!detail::is_multipart_boundary_chars_valid(boundary)) {
+ return Result{nullptr, Error::UnsupportedMultipartBoundaryChars};
+ }
+
+ const auto &content_type =
+ detail::serialize_multipart_formdata_get_content_type(boundary);
+ const auto &body = detail::serialize_multipart_formdata(items, boundary);
+ return Put(path, headers, body, content_type);
+}
+
+Result
+ClientImpl::Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const MultipartFormDataProviderItems &provider_items) {
+ const auto &boundary = detail::make_multipart_data_boundary();
+ const auto &content_type =
+ detail::serialize_multipart_formdata_get_content_type(boundary);
+ return send_with_content_provider(
+ "PUT", path, headers, nullptr, 0, nullptr,
+ get_multipart_content_provider(boundary, items, provider_items),
+ content_type);
+}
+Result ClientImpl::Patch(const std::string &path) {
+ return Patch(path, std::string(), std::string());
+}
+
+Result ClientImpl::Patch(const std::string &path, const char *body,
+ size_t content_length,
+ const std::string &content_type) {
+ return Patch(path, Headers(), body, content_length, content_type);
+}
+
+Result ClientImpl::Patch(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type) {
+ return send_with_content_provider("PATCH", path, headers, body,
+ content_length, nullptr, nullptr,
+ content_type);
+}
+
+Result ClientImpl::Patch(const std::string &path,
+ const std::string &body,
+ const std::string &content_type) {
+ return Patch(path, Headers(), body, content_type);
+}
+
+Result ClientImpl::Patch(const std::string &path, const Headers &headers,
+ const std::string &body,
+ const std::string &content_type) {
+ return send_with_content_provider("PATCH", path, headers, body.data(),
+ body.size(), nullptr, nullptr,
+ content_type);
+}
+
+Result ClientImpl::Patch(const std::string &path, size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return Patch(path, Headers(), content_length, std::move(content_provider),
+ content_type);
+}
+
+Result ClientImpl::Patch(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return Patch(path, Headers(), std::move(content_provider), content_type);
+}
+
+Result ClientImpl::Patch(const std::string &path, const Headers &headers,
+ size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return send_with_content_provider("PATCH", path, headers, nullptr,
+ content_length, std::move(content_provider),
+ nullptr, content_type);
+}
+
+Result ClientImpl::Patch(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return send_with_content_provider("PATCH", path, headers, nullptr, 0, nullptr,
+ std::move(content_provider), content_type);
+}
+
+Result ClientImpl::Delete(const std::string &path) {
+ return Delete(path, Headers(), std::string(), std::string());
+}
+
+Result ClientImpl::Delete(const std::string &path,
+ const Headers &headers) {
+ return Delete(path, headers, std::string(), std::string());
+}
+
+Result ClientImpl::Delete(const std::string &path, const char *body,
+ size_t content_length,
+ const std::string &content_type) {
+ return Delete(path, Headers(), body, content_length, content_type);
+}
+
+Result ClientImpl::Delete(const std::string &path,
+ const Headers &headers, const char *body,
+ size_t content_length,
+ const std::string &content_type) {
+ Request req;
+ req.method = "DELETE";
+ req.headers = headers;
+ req.path = path;
+
+ if (!content_type.empty()) { req.set_header("Content-Type", content_type); }
+ req.body.assign(body, content_length);
+
+ return send_(std::move(req));
+}
+
+Result ClientImpl::Delete(const std::string &path,
+ const std::string &body,
+ const std::string &content_type) {
+ return Delete(path, Headers(), body.data(), body.size(), content_type);
+}
+
+Result ClientImpl::Delete(const std::string &path,
+ const Headers &headers,
+ const std::string &body,
+ const std::string &content_type) {
+ return Delete(path, headers, body.data(), body.size(), content_type);
+}
+
+Result ClientImpl::Options(const std::string &path) {
+ return Options(path, Headers());
+}
+
+Result ClientImpl::Options(const std::string &path,
+ const Headers &headers) {
+ Request req;
+ req.method = "OPTIONS";
+ req.headers = headers;
+ req.path = path;
+
+ return send_(std::move(req));
+}
+
+size_t ClientImpl::is_socket_open() const {
+ std::lock_guard<std::mutex> guard(socket_mutex_);
+ return socket_.is_open();
+}
+
+socket_t ClientImpl::socket() const { return socket_.sock; }
+
+void ClientImpl::stop() {
+ std::lock_guard<std::mutex> guard(socket_mutex_);
+
+ // If there is anything ongoing right now, the ONLY thread-safe thing we can
+ // do is to shutdown_socket, so that threads using this socket suddenly
+ // discover they can't read/write any more and error out. Everything else
+ // (closing the socket, shutting ssl down) is unsafe because these actions are
+ // not thread-safe.
+ if (socket_requests_in_flight_ > 0) {
+ shutdown_socket(socket_);
+
+ // Aside from that, we set a flag for the socket to be closed when we're
+ // done.
+ socket_should_be_closed_when_request_is_done_ = true;
+ return;
+ }
+
+ // Otherwise, still holding the mutex, we can shut everything down ourselves
+ shutdown_ssl(socket_, true);
+ shutdown_socket(socket_);
+ close_socket(socket_);
+}
+
+void ClientImpl::set_connection_timeout(time_t sec, time_t usec) {
+ connection_timeout_sec_ = sec;
+ connection_timeout_usec_ = usec;
+}
+
+void ClientImpl::set_read_timeout(time_t sec, time_t usec) {
+ read_timeout_sec_ = sec;
+ read_timeout_usec_ = usec;
+}
+
+void ClientImpl::set_write_timeout(time_t sec, time_t usec) {
+ write_timeout_sec_ = sec;
+ write_timeout_usec_ = usec;
+}
+
+void ClientImpl::set_basic_auth(const std::string &username,
+ const std::string &password) {
+ basic_auth_username_ = username;
+ basic_auth_password_ = password;
+}
+
+void ClientImpl::set_bearer_token_auth(const std::string &token) {
+ bearer_token_auth_token_ = token;
+}
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+void ClientImpl::set_digest_auth(const std::string &username,
+ const std::string &password) {
+ digest_auth_username_ = username;
+ digest_auth_password_ = password;
+}
+#endif
+
+void ClientImpl::set_keep_alive(bool on) { keep_alive_ = on; }
+
+void ClientImpl::set_follow_location(bool on) { follow_location_ = on; }
+
+void ClientImpl::set_url_encode(bool on) { url_encode_ = on; }
+
+void
+ClientImpl::set_hostname_addr_map(std::map<std::string, std::string> addr_map) {
+ addr_map_ = std::move(addr_map);
+}
+
+void ClientImpl::set_default_headers(Headers headers) {
+ default_headers_ = std::move(headers);
+}
+
+void ClientImpl::set_address_family(int family) {
+ address_family_ = family;
+}
+
+void ClientImpl::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; }
+
+void ClientImpl::set_socket_options(SocketOptions socket_options) {
+ socket_options_ = std::move(socket_options);
+}
+
+void ClientImpl::set_compress(bool on) { compress_ = on; }
+
+void ClientImpl::set_decompress(bool on) { decompress_ = on; }
+
+void ClientImpl::set_interface(const std::string &intf) {
+ interface_ = intf;
+}
+
+void ClientImpl::set_proxy(const std::string &host, int port) {
+ proxy_host_ = host;
+ proxy_port_ = port;
+}
+
+void ClientImpl::set_proxy_basic_auth(const std::string &username,
+ const std::string &password) {
+ proxy_basic_auth_username_ = username;
+ proxy_basic_auth_password_ = password;
+}
+
+void ClientImpl::set_proxy_bearer_token_auth(const std::string &token) {
+ proxy_bearer_token_auth_token_ = token;
+}
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+void ClientImpl::set_proxy_digest_auth(const std::string &username,
+ const std::string &password) {
+ proxy_digest_auth_username_ = username;
+ proxy_digest_auth_password_ = password;
+}
+
+void ClientImpl::set_ca_cert_path(const std::string &ca_cert_file_path,
+ const std::string &ca_cert_dir_path) {
+ ca_cert_file_path_ = ca_cert_file_path;
+ ca_cert_dir_path_ = ca_cert_dir_path;
+}
+
+void ClientImpl::set_ca_cert_store(X509_STORE *ca_cert_store) {
+ if (ca_cert_store && ca_cert_store != ca_cert_store_) {
+ ca_cert_store_ = ca_cert_store;
+ }
+}
+
+X509_STORE *ClientImpl::create_ca_cert_store(const char *ca_cert,
+ std::size_t size) {
+ auto mem = BIO_new_mem_buf(ca_cert, static_cast<int>(size));
+ if (!mem) return nullptr;
+
+ auto inf = PEM_X509_INFO_read_bio(mem, nullptr, nullptr, nullptr);
+ if (!inf) {
+ BIO_free_all(mem);
+ return nullptr;
+ }
+
+ auto cts = X509_STORE_new();
+ if (cts) {
+ for (auto first = 0, last = sk_X509_INFO_num(inf); first < last; ++first) {
+ auto itmp = sk_X509_INFO_value(inf, first);
+ if (!itmp) { continue; }
+
+ if (itmp->x509) { X509_STORE_add_cert(cts, itmp->x509); }
+ if (itmp->crl) { X509_STORE_add_crl(cts, itmp->crl); }
+ }
+ }
+
+ sk_X509_INFO_pop_free(inf, X509_INFO_free);
+ BIO_free_all(mem);
+ return cts;
+}
+
+void ClientImpl::enable_server_certificate_verification(bool enabled) {
+ server_certificate_verification_ = enabled;
+}
+#endif
+
+void ClientImpl::set_logger(Logger logger) {
+ logger_ = std::move(logger);
+}
+
+/*
+ * SSL Implementation
+ */
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+namespace detail {
+
+template <typename U, typename V>
+SSL *ssl_new(socket_t sock, SSL_CTX *ctx, std::mutex &ctx_mutex,
+ U SSL_connect_or_accept, V setup) {
+ SSL *ssl = nullptr;
+ {
+ std::lock_guard<std::mutex> guard(ctx_mutex);
+ ssl = SSL_new(ctx);
+ }
+
+ if (ssl) {
+ set_nonblocking(sock, true);
+ auto bio = BIO_new_socket(static_cast<int>(sock), BIO_NOCLOSE);
+ BIO_set_nbio(bio, 1);
+ SSL_set_bio(ssl, bio, bio);
+
+ if (!setup(ssl) || SSL_connect_or_accept(ssl) != 1) {
+ SSL_shutdown(ssl);
+ {
+ std::lock_guard<std::mutex> guard(ctx_mutex);
+ SSL_free(ssl);
+ }
+ set_nonblocking(sock, false);
+ return nullptr;
+ }
+ BIO_set_nbio(bio, 0);
+ set_nonblocking(sock, false);
+ }
+
+ return ssl;
+}
+
+void ssl_delete(std::mutex &ctx_mutex, SSL *ssl,
+ bool shutdown_gracefully) {
+ // sometimes we may want to skip this to try to avoid SIGPIPE if we know
+ // the remote has closed the network connection
+ // Note that it is not always possible to avoid SIGPIPE, this is merely a
+ // best-efforts.
+ if (shutdown_gracefully) { SSL_shutdown(ssl); }
+
+ std::lock_guard<std::mutex> guard(ctx_mutex);
+ SSL_free(ssl);
+}
+
+template <typename U>
+bool ssl_connect_or_accept_nonblocking(socket_t sock, SSL *ssl,
+ U ssl_connect_or_accept,
+ time_t timeout_sec,
+ time_t timeout_usec) {
+ int res = 0;
+ while ((res = ssl_connect_or_accept(ssl)) != 1) {
+ auto err = SSL_get_error(ssl, res);
+ switch (err) {
+ case SSL_ERROR_WANT_READ:
+ if (select_read(sock, timeout_sec, timeout_usec) > 0) { continue; }
+ break;
+ case SSL_ERROR_WANT_WRITE:
+ if (select_write(sock, timeout_sec, timeout_usec) > 0) { continue; }
+ break;
+ default: break;
+ }
+ return false;
+ }
+ return true;
+}
+
+template <typename T>
+bool process_server_socket_ssl(
+ const std::atomic<socket_t> &svr_sock, SSL *ssl, socket_t sock,
+ size_t keep_alive_max_count, time_t keep_alive_timeout_sec,
+ time_t read_timeout_sec, time_t read_timeout_usec, time_t write_timeout_sec,
+ time_t write_timeout_usec, T callback) {
+ return process_server_socket_core(
+ svr_sock, sock, keep_alive_max_count, keep_alive_timeout_sec,
+ [&](bool close_connection, bool &connection_closed) {
+ SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec,
+ write_timeout_sec, write_timeout_usec);
+ return callback(strm, close_connection, connection_closed);
+ });
+}
+
+template <typename T>
+bool
+process_client_socket_ssl(SSL *ssl, socket_t sock, time_t read_timeout_sec,
+ time_t read_timeout_usec, time_t write_timeout_sec,
+ time_t write_timeout_usec, T callback) {
+ SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec,
+ write_timeout_sec, write_timeout_usec);
+ return callback(strm);
+}
+
+class SSLInit {
+public:
+ SSLInit() {
+ OPENSSL_init_ssl(
+ OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
+ }
+};
+
+// SSL socket stream implementation
+SSLSocketStream::SSLSocketStream(socket_t sock, SSL *ssl,
+ time_t read_timeout_sec,
+ time_t read_timeout_usec,
+ time_t write_timeout_sec,
+ time_t write_timeout_usec)
+ : sock_(sock), ssl_(ssl), read_timeout_sec_(read_timeout_sec),
+ read_timeout_usec_(read_timeout_usec),
+ write_timeout_sec_(write_timeout_sec),
+ write_timeout_usec_(write_timeout_usec) {
+ SSL_clear_mode(ssl, SSL_MODE_AUTO_RETRY);
+}
+
+SSLSocketStream::~SSLSocketStream() {}
+
+bool SSLSocketStream::is_readable() const {
+ return detail::select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0;
+}
+
+bool SSLSocketStream::is_writable() const {
+ return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0 &&
+ is_socket_alive(sock_);
+}
+
+ssize_t SSLSocketStream::read(char *ptr, size_t size) {
+ if (SSL_pending(ssl_) > 0) {
+ return SSL_read(ssl_, ptr, static_cast<int>(size));
+ } else if (is_readable()) {
+ auto ret = SSL_read(ssl_, ptr, static_cast<int>(size));
+ if (ret < 0) {
+ auto err = SSL_get_error(ssl_, ret);
+ int n = 1000;
+#ifdef _WIN32
+ while (--n >= 0 && (err == SSL_ERROR_WANT_READ ||
+ (err == SSL_ERROR_SYSCALL &&
+ WSAGetLastError() == WSAETIMEDOUT))) {
+#else
+ while (--n >= 0 && err == SSL_ERROR_WANT_READ) {
+#endif
+ if (SSL_pending(ssl_) > 0) {
+ return SSL_read(ssl_, ptr, static_cast<int>(size));
+ } else if (is_readable()) {
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ ret = SSL_read(ssl_, ptr, static_cast<int>(size));
+ if (ret >= 0) { return ret; }
+ err = SSL_get_error(ssl_, ret);
+ } else {
+ return -1;
+ }
+ }
+ }
+ return ret;
+ }
+ return -1;
+}
+
+ssize_t SSLSocketStream::write(const char *ptr, size_t size) {
+ if (is_writable()) {
+ auto handle_size = static_cast<int>(
+ std::min<size_t>(size, (std::numeric_limits<int>::max)()));
+
+ auto ret = SSL_write(ssl_, ptr, static_cast<int>(handle_size));
+ if (ret < 0) {
+ auto err = SSL_get_error(ssl_, ret);
+ int n = 1000;
+#ifdef _WIN32
+ while (--n >= 0 && (err == SSL_ERROR_WANT_WRITE ||
+ (err == SSL_ERROR_SYSCALL &&
+ WSAGetLastError() == WSAETIMEDOUT))) {
+#else
+ while (--n >= 0 && err == SSL_ERROR_WANT_WRITE) {
+#endif
+ if (is_writable()) {
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ ret = SSL_write(ssl_, ptr, static_cast<int>(handle_size));
+ if (ret >= 0) { return ret; }
+ err = SSL_get_error(ssl_, ret);
+ } else {
+ return -1;
+ }
+ }
+ }
+ return ret;
+ }
+ return -1;
+}
+
+void SSLSocketStream::get_remote_ip_and_port(std::string &ip,
+ int &port) const {
+ detail::get_remote_ip_and_port(sock_, ip, port);
+}
+
+void SSLSocketStream::get_local_ip_and_port(std::string &ip,
+ int &port) const {
+ detail::get_local_ip_and_port(sock_, ip, port);
+}
+
+socket_t SSLSocketStream::socket() const { return sock_; }
+
+static SSLInit sslinit_;
+
+} // namespace detail
+
+// SSL HTTP server implementation
+SSLServer::SSLServer(const char *cert_path, const char *private_key_path,
+ const char *client_ca_cert_file_path,
+ const char *client_ca_cert_dir_path,
+ const char *private_key_password) {
+ ctx_ = SSL_CTX_new(TLS_server_method());
+
+ if (ctx_) {
+ SSL_CTX_set_options(ctx_,
+ SSL_OP_NO_COMPRESSION |
+ SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
+
+ SSL_CTX_set_min_proto_version(ctx_, TLS1_1_VERSION);
+
+ // add default password callback before opening encrypted private key
+ if (private_key_password != nullptr && (private_key_password[0] != '\0')) {
+ SSL_CTX_set_default_passwd_cb_userdata(ctx_,
+ (char *)private_key_password);
+ }
+
+ if (SSL_CTX_use_certificate_chain_file(ctx_, cert_path) != 1 ||
+ SSL_CTX_use_PrivateKey_file(ctx_, private_key_path, SSL_FILETYPE_PEM) !=
+ 1) {
+ SSL_CTX_free(ctx_);
+ ctx_ = nullptr;
+ } else if (client_ca_cert_file_path || client_ca_cert_dir_path) {
+ SSL_CTX_load_verify_locations(ctx_, client_ca_cert_file_path,
+ client_ca_cert_dir_path);
+
+ SSL_CTX_set_verify(
+ ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr);
+ }
+ }
+}
+
+SSLServer::SSLServer(X509 *cert, EVP_PKEY *private_key,
+ X509_STORE *client_ca_cert_store) {
+ ctx_ = SSL_CTX_new(TLS_server_method());
+
+ if (ctx_) {
+ SSL_CTX_set_options(ctx_,
+ SSL_OP_NO_COMPRESSION |
+ SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
+
+ SSL_CTX_set_min_proto_version(ctx_, TLS1_1_VERSION);
+
+ if (SSL_CTX_use_certificate(ctx_, cert) != 1 ||
+ SSL_CTX_use_PrivateKey(ctx_, private_key) != 1) {
+ SSL_CTX_free(ctx_);
+ ctx_ = nullptr;
+ } else if (client_ca_cert_store) {
+ SSL_CTX_set_cert_store(ctx_, client_ca_cert_store);
+
+ SSL_CTX_set_verify(
+ ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr);
+ }
+ }
+}
+
+SSLServer::SSLServer(
+ const std::function<bool(SSL_CTX &ssl_ctx)> &setup_ssl_ctx_callback) {
+ ctx_ = SSL_CTX_new(TLS_method());
+ if (ctx_) {
+ if (!setup_ssl_ctx_callback(*ctx_)) {
+ SSL_CTX_free(ctx_);
+ ctx_ = nullptr;
+ }
+ }
+}
+
+SSLServer::~SSLServer() {
+ if (ctx_) { SSL_CTX_free(ctx_); }
+}
+
+bool SSLServer::is_valid() const { return ctx_; }
+
+SSL_CTX *SSLServer::ssl_context() const { return ctx_; }
+
+bool SSLServer::process_and_close_socket(socket_t sock) {
+ auto ssl = detail::ssl_new(
+ sock, ctx_, ctx_mutex_,
+ [&](SSL *ssl2) {
+ return detail::ssl_connect_or_accept_nonblocking(
+ sock, ssl2, SSL_accept, read_timeout_sec_, read_timeout_usec_);
+ },
+ [](SSL * /*ssl2*/) { return true; });
+
+ auto ret = false;
+ if (ssl) {
+ ret = detail::process_server_socket_ssl(
+ svr_sock_, ssl, sock, keep_alive_max_count_, keep_alive_timeout_sec_,
+ read_timeout_sec_, read_timeout_usec_, write_timeout_sec_,
+ write_timeout_usec_,
+ [this, ssl](Stream &strm, bool close_connection,
+ bool &connection_closed) {
+ return process_request(strm, close_connection, connection_closed,
+ [&](Request &req) { req.ssl = ssl; });
+ });
+
+ // Shutdown gracefully if the result seemed successful, non-gracefully if
+ // the connection appeared to be closed.
+ const bool shutdown_gracefully = ret;
+ detail::ssl_delete(ctx_mutex_, ssl, shutdown_gracefully);
+ }
+
+ detail::shutdown_socket(sock);
+ detail::close_socket(sock);
+ return ret;
+}
+
+// SSL HTTP client implementation
+SSLClient::SSLClient(const std::string &host)
+ : SSLClient(host, 443, std::string(), std::string()) {}
+
+SSLClient::SSLClient(const std::string &host, int port)
+ : SSLClient(host, port, std::string(), std::string()) {}
+
+SSLClient::SSLClient(const std::string &host, int port,
+ const std::string &client_cert_path,
+ const std::string &client_key_path)
+ : ClientImpl(host, port, client_cert_path, client_key_path) {
+ ctx_ = SSL_CTX_new(TLS_client_method());
+
+ detail::split(&host_[0], &host_[host_.size()], '.',
+ [&](const char *b, const char *e) {
+ host_components_.emplace_back(std::string(b, e));
+ });
+
+ if (!client_cert_path.empty() && !client_key_path.empty()) {
+ if (SSL_CTX_use_certificate_file(ctx_, client_cert_path.c_str(),
+ SSL_FILETYPE_PEM) != 1 ||
+ SSL_CTX_use_PrivateKey_file(ctx_, client_key_path.c_str(),
+ SSL_FILETYPE_PEM) != 1) {
+ SSL_CTX_free(ctx_);
+ ctx_ = nullptr;
+ }
+ }
+}
+
+SSLClient::SSLClient(const std::string &host, int port,
+ X509 *client_cert, EVP_PKEY *client_key)
+ : ClientImpl(host, port) {
+ ctx_ = SSL_CTX_new(TLS_client_method());
+
+ detail::split(&host_[0], &host_[host_.size()], '.',
+ [&](const char *b, const char *e) {
+ host_components_.emplace_back(std::string(b, e));
+ });
+
+ if (client_cert != nullptr && client_key != nullptr) {
+ if (SSL_CTX_use_certificate(ctx_, client_cert) != 1 ||
+ SSL_CTX_use_PrivateKey(ctx_, client_key) != 1) {
+ SSL_CTX_free(ctx_);
+ ctx_ = nullptr;
+ }
+ }
+}
+
+SSLClient::~SSLClient() {
+ if (ctx_) { SSL_CTX_free(ctx_); }
+ // Make sure to shut down SSL since shutdown_ssl will resolve to the
+ // base function rather than the derived function once we get to the
+ // base class destructor, and won't free the SSL (causing a leak).
+ shutdown_ssl_impl(socket_, true);
+}
+
+bool SSLClient::is_valid() const { return ctx_; }
+
+void SSLClient::set_ca_cert_store(X509_STORE *ca_cert_store) {
+ if (ca_cert_store) {
+ if (ctx_) {
+ if (SSL_CTX_get_cert_store(ctx_) != ca_cert_store) {
+ // Free memory allocated for old cert and use new store `ca_cert_store`
+ SSL_CTX_set_cert_store(ctx_, ca_cert_store);
+ }
+ } else {
+ X509_STORE_free(ca_cert_store);
+ }
+ }
+}
+
+void SSLClient::load_ca_cert_store(const char *ca_cert,
+ std::size_t size) {
+ set_ca_cert_store(ClientImpl::create_ca_cert_store(ca_cert, size));
+}
+
+long SSLClient::get_openssl_verify_result() const {
+ return verify_result_;
+}
+
+SSL_CTX *SSLClient::ssl_context() const { return ctx_; }
+
+bool SSLClient::create_and_connect_socket(Socket &socket, Error &error) {
+ return is_valid() && ClientImpl::create_and_connect_socket(socket, error);
+}
+
+// Assumes that socket_mutex_ is locked and that there are no requests in flight
+bool SSLClient::connect_with_proxy(Socket &socket, Response &res,
+ bool &success, Error &error) {
+ success = true;
+ Response res2;
+ if (!detail::process_client_socket(
+ socket.sock, read_timeout_sec_, read_timeout_usec_,
+ write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) {
+ Request req2;
+ req2.method = "CONNECT";
+ req2.path = host_and_port_;
+ return process_request(strm, req2, res2, false, error);
+ })) {
+ // Thread-safe to close everything because we are assuming there are no
+ // requests in flight
+ shutdown_ssl(socket, true);
+ shutdown_socket(socket);
+ close_socket(socket);
+ success = false;
+ return false;
+ }
+
+ if (res2.status == 407) {
+ if (!proxy_digest_auth_username_.empty() &&
+ !proxy_digest_auth_password_.empty()) {
+ std::map<std::string, std::string> auth;
+ if (detail::parse_www_authenticate(res2, auth, true)) {
+ Response res3;
+ if (!detail::process_client_socket(
+ socket.sock, read_timeout_sec_, read_timeout_usec_,
+ write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) {
+ Request req3;
+ req3.method = "CONNECT";
+ req3.path = host_and_port_;
+ req3.headers.insert(detail::make_digest_authentication_header(
+ req3, auth, 1, detail::random_string(10),
+ proxy_digest_auth_username_, proxy_digest_auth_password_,
+ true));
+ return process_request(strm, req3, res3, false, error);
+ })) {
+ // Thread-safe to close everything because we are assuming there are
+ // no requests in flight
+ shutdown_ssl(socket, true);
+ shutdown_socket(socket);
+ close_socket(socket);
+ success = false;
+ return false;
+ }
+ }
+ } else {
+ res = res2;
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool SSLClient::load_certs() {
+ bool ret = true;
+
+ std::call_once(initialize_cert_, [&]() {
+ std::lock_guard<std::mutex> guard(ctx_mutex_);
+ if (!ca_cert_file_path_.empty()) {
+ if (!SSL_CTX_load_verify_locations(ctx_, ca_cert_file_path_.c_str(),
+ nullptr)) {
+ ret = false;
+ }
+ } else if (!ca_cert_dir_path_.empty()) {
+ if (!SSL_CTX_load_verify_locations(ctx_, nullptr,
+ ca_cert_dir_path_.c_str())) {
+ ret = false;
+ }
+ } else {
+ auto loaded = false;
+#ifdef _WIN32
+ loaded =
+ detail::load_system_certs_on_windows(SSL_CTX_get_cert_store(ctx_));
+#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__)
+#if TARGET_OS_OSX
+ loaded = detail::load_system_certs_on_macos(SSL_CTX_get_cert_store(ctx_));
+#endif // TARGET_OS_OSX
+#endif // _WIN32
+ if (!loaded) { SSL_CTX_set_default_verify_paths(ctx_); }
+ }
+ });
+
+ return ret;
+}
+
+bool SSLClient::initialize_ssl(Socket &socket, Error &error) {
+ auto ssl = detail::ssl_new(
+ socket.sock, ctx_, ctx_mutex_,
+ [&](SSL *ssl2) {
+ if (server_certificate_verification_) {
+ if (!load_certs()) {
+ error = Error::SSLLoadingCerts;
+ return false;
+ }
+ SSL_set_verify(ssl2, SSL_VERIFY_NONE, nullptr);
+ }
+
+ if (!detail::ssl_connect_or_accept_nonblocking(
+ socket.sock, ssl2, SSL_connect, connection_timeout_sec_,
+ connection_timeout_usec_)) {
+ error = Error::SSLConnection;
+ return false;
+ }
+
+ if (server_certificate_verification_) {
+ verify_result_ = SSL_get_verify_result(ssl2);
+
+ if (verify_result_ != X509_V_OK) {
+ error = Error::SSLServerVerification;
+ return false;
+ }
+
+ auto server_cert = SSL_get1_peer_certificate(ssl2);
+
+ if (server_cert == nullptr) {
+ error = Error::SSLServerVerification;
+ return false;
+ }
+
+ if (!verify_host(server_cert)) {
+ X509_free(server_cert);
+ error = Error::SSLServerVerification;
+ return false;
+ }
+ X509_free(server_cert);
+ }
+
+ return true;
+ },
+ [&](SSL *ssl2) {
+ SSL_set_tlsext_host_name(ssl2, host_.c_str());
+ return true;
+ });
+
+ if (ssl) {
+ socket.ssl = ssl;
+ return true;
+ }
+
+ shutdown_socket(socket);
+ close_socket(socket);
+ return false;
+}
+
+void SSLClient::shutdown_ssl(Socket &socket, bool shutdown_gracefully) {
+ shutdown_ssl_impl(socket, shutdown_gracefully);
+}
+
+void SSLClient::shutdown_ssl_impl(Socket &socket,
+ bool shutdown_gracefully) {
+ if (socket.sock == INVALID_SOCKET) {
+ assert(socket.ssl == nullptr);
+ return;
+ }
+ if (socket.ssl) {
+ detail::ssl_delete(ctx_mutex_, socket.ssl, shutdown_gracefully);
+ socket.ssl = nullptr;
+ }
+ assert(socket.ssl == nullptr);
+}
+
+bool
+SSLClient::process_socket(const Socket &socket,
+ std::function<bool(Stream &strm)> callback) {
+ assert(socket.ssl);
+ return detail::process_client_socket_ssl(
+ socket.ssl, socket.sock, read_timeout_sec_, read_timeout_usec_,
+ write_timeout_sec_, write_timeout_usec_, std::move(callback));
+}
+
+bool SSLClient::is_ssl() const { return true; }
+
+bool SSLClient::verify_host(X509 *server_cert) const {
+ /* Quote from RFC2818 section 3.1 "Server Identity"
+
+ If a subjectAltName extension of type dNSName is present, that MUST
+ be used as the identity. Otherwise, the (most specific) Common Name
+ field in the Subject field of the certificate MUST be used. Although
+ the use of the Common Name is existing practice, it is deprecated and
+ Certification Authorities are encouraged to use the dNSName instead.
+
+ Matching is performed using the matching rules specified by
+ [RFC2459]. If more than one identity of a given type is present in
+ the certificate (e.g., more than one dNSName name, a match in any one
+ of the set is considered acceptable.) Names may contain the wildcard
+ character * which is considered to match any single domain name
+ component or component fragment. E.g., *.a.com matches foo.a.com but
+ not bar.foo.a.com. f*.com matches foo.com but not bar.com.
+
+ In some cases, the URI is specified as an IP address rather than a
+ hostname. In this case, the iPAddress subjectAltName must be present
+ in the certificate and must exactly match the IP in the URI.
+
+ */
+ return verify_host_with_subject_alt_name(server_cert) ||
+ verify_host_with_common_name(server_cert);
+}
+
+bool
+SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const {
+ auto ret = false;
+
+ auto type = GEN_DNS;
+
+ struct in6_addr addr6;
+ struct in_addr addr;
+ size_t addr_len = 0;
+
+#ifndef __MINGW32__
+ if (inet_pton(AF_INET6, host_.c_str(), &addr6)) {
+ type = GEN_IPADD;
+ addr_len = sizeof(struct in6_addr);
+ } else if (inet_pton(AF_INET, host_.c_str(), &addr)) {
+ type = GEN_IPADD;
+ addr_len = sizeof(struct in_addr);
+ }
+#endif
+
+ auto alt_names = static_cast<const struct stack_st_GENERAL_NAME *>(
+ X509_get_ext_d2i(server_cert, NID_subject_alt_name, nullptr, nullptr));
+
+ if (alt_names) {
+ auto dsn_matched = false;
+ auto ip_matched = false;
+
+ auto count = sk_GENERAL_NAME_num(alt_names);
+
+ for (decltype(count) i = 0; i < count && !dsn_matched; i++) {
+ auto val = sk_GENERAL_NAME_value(alt_names, i);
+ if (val->type == type) {
+ auto name = (const char *)ASN1_STRING_get0_data(val->d.ia5);
+ auto name_len = (size_t)ASN1_STRING_length(val->d.ia5);
+
+ switch (type) {
+ case GEN_DNS: dsn_matched = check_host_name(name, name_len); break;
+
+ case GEN_IPADD:
+ if (!memcmp(&addr6, name, addr_len) ||
+ !memcmp(&addr, name, addr_len)) {
+ ip_matched = true;
+ }
+ break;
+ }
+ }
+ }
+
+ if (dsn_matched || ip_matched) { ret = true; }
+ }
+
+ GENERAL_NAMES_free((STACK_OF(GENERAL_NAME) *)alt_names);
+ return ret;
+}
+
+bool SSLClient::verify_host_with_common_name(X509 *server_cert) const {
+ const auto subject_name = X509_get_subject_name(server_cert);
+
+ if (subject_name != nullptr) {
+ char name[BUFSIZ];
+ auto name_len = X509_NAME_get_text_by_NID(subject_name, NID_commonName,
+ name, sizeof(name));
+
+ if (name_len != -1) {
+ return check_host_name(name, static_cast<size_t>(name_len));
+ }
+ }
+
+ return false;
+}
+
+bool SSLClient::check_host_name(const char *pattern,
+ size_t pattern_len) const {
+ if (host_.size() == pattern_len && host_ == pattern) { return true; }
+
+ // Wildcard match
+ // https://bugs.launchpad.net/ubuntu/+source/firefox-3.0/+bug/376484
+ std::vector<std::string> pattern_components;
+ detail::split(&pattern[0], &pattern[pattern_len], '.',
+ [&](const char *b, const char *e) {
+ pattern_components.emplace_back(std::string(b, e));
+ });
+
+ if (host_components_.size() != pattern_components.size()) { return false; }
+
+ auto itr = pattern_components.begin();
+ for (const auto &h : host_components_) {
+ auto &p = *itr;
+ if (p != h && p != "*") {
+ auto partial_match = (p.size() > 0 && p[p.size() - 1] == '*' &&
+ !p.compare(0, p.size() - 1, h));
+ if (!partial_match) { return false; }
+ }
+ ++itr;
+ }
+
+ return true;
+}
+#endif
+
+// Universal client implementation
+Client::Client(const std::string &scheme_host_port)
+ : Client(scheme_host_port, std::string(), std::string()) {}
+
+Client::Client(const std::string &scheme_host_port,
+ const std::string &client_cert_path,
+ const std::string &client_key_path) {
+ const static std::regex re(
+ R"((?:([a-z]+):\/\/)?(?:\[([\d:]+)\]|([^:/?#]+))(?::(\d+))?)");
+
+ std::smatch m;
+ if (std::regex_match(scheme_host_port, m, re)) {
+ auto scheme = m[1].str();
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ if (!scheme.empty() && (scheme != "http" && scheme != "https")) {
+#else
+ if (!scheme.empty() && scheme != "http") {
+#endif
+#ifndef CPPHTTPLIB_NO_EXCEPTIONS
+ std::string msg = "'" + scheme + "' scheme is not supported.";
+ throw std::invalid_argument(msg);
+#endif
+ return;
+ }
+
+ auto is_ssl = scheme == "https";
+
+ auto host = m[2].str();
+ if (host.empty()) { host = m[3].str(); }
+
+ auto port_str = m[4].str();
+ auto port = !port_str.empty() ? std::stoi(port_str) : (is_ssl ? 443 : 80);
+
+ if (is_ssl) {
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ cli_ = detail::make_unique<SSLClient>(host, port, client_cert_path,
+ client_key_path);
+ is_ssl_ = is_ssl;
+#endif
+ } else {
+ cli_ = detail::make_unique<ClientImpl>(host, port, client_cert_path,
+ client_key_path);
+ }
+ } else {
+ cli_ = detail::make_unique<ClientImpl>(scheme_host_port, 80,
+ client_cert_path, client_key_path);
+ }
+}
+
+Client::Client(const std::string &host, int port)
+ : cli_(detail::make_unique<ClientImpl>(host, port)) {}
+
+Client::Client(const std::string &host, int port,
+ const std::string &client_cert_path,
+ const std::string &client_key_path)
+ : cli_(detail::make_unique<ClientImpl>(host, port, client_cert_path,
+ client_key_path)) {}
+
+Client::~Client() {}
+
+bool Client::is_valid() const {
+ return cli_ != nullptr && cli_->is_valid();
+}
+
+Result Client::Get(const std::string &path) { return cli_->Get(path); }
+Result Client::Get(const std::string &path, const Headers &headers) {
+ return cli_->Get(path, headers);
+}
+Result Client::Get(const std::string &path, Progress progress) {
+ return cli_->Get(path, std::move(progress));
+}
+Result Client::Get(const std::string &path, const Headers &headers,
+ Progress progress) {
+ return cli_->Get(path, headers, std::move(progress));
+}
+Result Client::Get(const std::string &path,
+ ContentReceiver content_receiver) {
+ return cli_->Get(path, std::move(content_receiver));
+}
+Result Client::Get(const std::string &path, const Headers &headers,
+ ContentReceiver content_receiver) {
+ return cli_->Get(path, headers, std::move(content_receiver));
+}
+Result Client::Get(const std::string &path,
+ ContentReceiver content_receiver, Progress progress) {
+ return cli_->Get(path, std::move(content_receiver), std::move(progress));
+}
+Result Client::Get(const std::string &path, const Headers &headers,
+ ContentReceiver content_receiver, Progress progress) {
+ return cli_->Get(path, headers, std::move(content_receiver),
+ std::move(progress));
+}
+Result Client::Get(const std::string &path,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver) {
+ return cli_->Get(path, std::move(response_handler),
+ std::move(content_receiver));
+}
+Result Client::Get(const std::string &path, const Headers &headers,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver) {
+ return cli_->Get(path, headers, std::move(response_handler),
+ std::move(content_receiver));
+}
+Result Client::Get(const std::string &path,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver, Progress progress) {
+ return cli_->Get(path, std::move(response_handler),
+ std::move(content_receiver), std::move(progress));
+}
+Result Client::Get(const std::string &path, const Headers &headers,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver, Progress progress) {
+ return cli_->Get(path, headers, std::move(response_handler),
+ std::move(content_receiver), std::move(progress));
+}
+Result Client::Get(const std::string &path, const Params ¶ms,
+ const Headers &headers, Progress progress) {
+ return cli_->Get(path, params, headers, progress);
+}
+Result Client::Get(const std::string &path, const Params ¶ms,
+ const Headers &headers,
+ ContentReceiver content_receiver, Progress progress) {
+ return cli_->Get(path, params, headers, content_receiver, progress);
+}
+Result Client::Get(const std::string &path, const Params ¶ms,
+ const Headers &headers,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver, Progress progress) {
+ return cli_->Get(path, params, headers, response_handler, content_receiver,
+ progress);
+}
+
+Result Client::Head(const std::string &path) { return cli_->Head(path); }
+Result Client::Head(const std::string &path, const Headers &headers) {
+ return cli_->Head(path, headers);
+}
+
+Result Client::Post(const std::string &path) { return cli_->Post(path); }
+Result Client::Post(const std::string &path, const Headers &headers) {
+ return cli_->Post(path, headers);
+}
+Result Client::Post(const std::string &path, const char *body,
+ size_t content_length,
+ const std::string &content_type) {
+ return cli_->Post(path, body, content_length, content_type);
+}
+Result Client::Post(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type) {
+ return cli_->Post(path, headers, body, content_length, content_type);
+}
+Result Client::Post(const std::string &path, const std::string &body,
+ const std::string &content_type) {
+ return cli_->Post(path, body, content_type);
+}
+Result Client::Post(const std::string &path, const Headers &headers,
+ const std::string &body,
+ const std::string &content_type) {
+ return cli_->Post(path, headers, body, content_type);
+}
+Result Client::Post(const std::string &path, size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return cli_->Post(path, content_length, std::move(content_provider),
+ content_type);
+}
+Result Client::Post(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return cli_->Post(path, std::move(content_provider), content_type);
+}
+Result Client::Post(const std::string &path, const Headers &headers,
+ size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return cli_->Post(path, headers, content_length, std::move(content_provider),
+ content_type);
+}
+Result Client::Post(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return cli_->Post(path, headers, std::move(content_provider), content_type);
+}
+Result Client::Post(const std::string &path, const Params ¶ms) {
+ return cli_->Post(path, params);
+}
+Result Client::Post(const std::string &path, const Headers &headers,
+ const Params ¶ms) {
+ return cli_->Post(path, headers, params);
+}
+Result Client::Post(const std::string &path,
+ const MultipartFormDataItems &items) {
+ return cli_->Post(path, items);
+}
+Result Client::Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items) {
+ return cli_->Post(path, headers, items);
+}
+Result Client::Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const std::string &boundary) {
+ return cli_->Post(path, headers, items, boundary);
+}
+Result
+Client::Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const MultipartFormDataProviderItems &provider_items) {
+ return cli_->Post(path, headers, items, provider_items);
+}
+Result Client::Put(const std::string &path) { return cli_->Put(path); }
+Result Client::Put(const std::string &path, const char *body,
+ size_t content_length,
+ const std::string &content_type) {
+ return cli_->Put(path, body, content_length, content_type);
+}
+Result Client::Put(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type) {
+ return cli_->Put(path, headers, body, content_length, content_type);
+}
+Result Client::Put(const std::string &path, const std::string &body,
+ const std::string &content_type) {
+ return cli_->Put(path, body, content_type);
+}
+Result Client::Put(const std::string &path, const Headers &headers,
+ const std::string &body,
+ const std::string &content_type) {
+ return cli_->Put(path, headers, body, content_type);
+}
+Result Client::Put(const std::string &path, size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return cli_->Put(path, content_length, std::move(content_provider),
+ content_type);
+}
+Result Client::Put(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return cli_->Put(path, std::move(content_provider), content_type);
+}
+Result Client::Put(const std::string &path, const Headers &headers,
+ size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return cli_->Put(path, headers, content_length, std::move(content_provider),
+ content_type);
+}
+Result Client::Put(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return cli_->Put(path, headers, std::move(content_provider), content_type);
+}
+Result Client::Put(const std::string &path, const Params ¶ms) {
+ return cli_->Put(path, params);
+}
+Result Client::Put(const std::string &path, const Headers &headers,
+ const Params ¶ms) {
+ return cli_->Put(path, headers, params);
+}
+Result Client::Put(const std::string &path,
+ const MultipartFormDataItems &items) {
+ return cli_->Put(path, items);
+}
+Result Client::Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items) {
+ return cli_->Put(path, headers, items);
+}
+Result Client::Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const std::string &boundary) {
+ return cli_->Put(path, headers, items, boundary);
+}
+Result
+Client::Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const MultipartFormDataProviderItems &provider_items) {
+ return cli_->Put(path, headers, items, provider_items);
+}
+Result Client::Patch(const std::string &path) {
+ return cli_->Patch(path);
+}
+Result Client::Patch(const std::string &path, const char *body,
+ size_t content_length,
+ const std::string &content_type) {
+ return cli_->Patch(path, body, content_length, content_type);
+}
+Result Client::Patch(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type) {
+ return cli_->Patch(path, headers, body, content_length, content_type);
+}
+Result Client::Patch(const std::string &path, const std::string &body,
+ const std::string &content_type) {
+ return cli_->Patch(path, body, content_type);
+}
+Result Client::Patch(const std::string &path, const Headers &headers,
+ const std::string &body,
+ const std::string &content_type) {
+ return cli_->Patch(path, headers, body, content_type);
+}
+Result Client::Patch(const std::string &path, size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return cli_->Patch(path, content_length, std::move(content_provider),
+ content_type);
+}
+Result Client::Patch(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return cli_->Patch(path, std::move(content_provider), content_type);
+}
+Result Client::Patch(const std::string &path, const Headers &headers,
+ size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type) {
+ return cli_->Patch(path, headers, content_length, std::move(content_provider),
+ content_type);
+}
+Result Client::Patch(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type) {
+ return cli_->Patch(path, headers, std::move(content_provider), content_type);
+}
+Result Client::Delete(const std::string &path) {
+ return cli_->Delete(path);
+}
+Result Client::Delete(const std::string &path, const Headers &headers) {
+ return cli_->Delete(path, headers);
+}
+Result Client::Delete(const std::string &path, const char *body,
+ size_t content_length,
+ const std::string &content_type) {
+ return cli_->Delete(path, body, content_length, content_type);
+}
+Result Client::Delete(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type) {
+ return cli_->Delete(path, headers, body, content_length, content_type);
+}
+Result Client::Delete(const std::string &path, const std::string &body,
+ const std::string &content_type) {
+ return cli_->Delete(path, body, content_type);
+}
+Result Client::Delete(const std::string &path, const Headers &headers,
+ const std::string &body,
+ const std::string &content_type) {
+ return cli_->Delete(path, headers, body, content_type);
+}
+Result Client::Options(const std::string &path) {
+ return cli_->Options(path);
+}
+Result Client::Options(const std::string &path, const Headers &headers) {
+ return cli_->Options(path, headers);
+}
+
+bool Client::send(Request &req, Response &res, Error &error) {
+ return cli_->send(req, res, error);
+}
+
+Result Client::send(const Request &req) { return cli_->send(req); }
+
+size_t Client::is_socket_open() const { return cli_->is_socket_open(); }
+
+socket_t Client::socket() const { return cli_->socket(); }
+
+void Client::stop() { cli_->stop(); }
+
+void
+Client::set_hostname_addr_map(std::map<std::string, std::string> addr_map) {
+ cli_->set_hostname_addr_map(std::move(addr_map));
+}
+
+void Client::set_default_headers(Headers headers) {
+ cli_->set_default_headers(std::move(headers));
+}
+
+void Client::set_address_family(int family) {
+ cli_->set_address_family(family);
+}
+
+void Client::set_tcp_nodelay(bool on) { cli_->set_tcp_nodelay(on); }
+
+void Client::set_socket_options(SocketOptions socket_options) {
+ cli_->set_socket_options(std::move(socket_options));
+}
+
+void Client::set_connection_timeout(time_t sec, time_t usec) {
+ cli_->set_connection_timeout(sec, usec);
+}
+
+void Client::set_read_timeout(time_t sec, time_t usec) {
+ cli_->set_read_timeout(sec, usec);
+}
+
+void Client::set_write_timeout(time_t sec, time_t usec) {
+ cli_->set_write_timeout(sec, usec);
+}
+
+void Client::set_basic_auth(const std::string &username,
+ const std::string &password) {
+ cli_->set_basic_auth(username, password);
+}
+void Client::set_bearer_token_auth(const std::string &token) {
+ cli_->set_bearer_token_auth(token);
+}
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+void Client::set_digest_auth(const std::string &username,
+ const std::string &password) {
+ cli_->set_digest_auth(username, password);
+}
+#endif
+
+void Client::set_keep_alive(bool on) { cli_->set_keep_alive(on); }
+void Client::set_follow_location(bool on) {
+ cli_->set_follow_location(on);
+}
+
+void Client::set_url_encode(bool on) { cli_->set_url_encode(on); }
+
+void Client::set_compress(bool on) { cli_->set_compress(on); }
+
+void Client::set_decompress(bool on) { cli_->set_decompress(on); }
+
+void Client::set_interface(const std::string &intf) {
+ cli_->set_interface(intf);
+}
+
+void Client::set_proxy(const std::string &host, int port) {
+ cli_->set_proxy(host, port);
+}
+void Client::set_proxy_basic_auth(const std::string &username,
+ const std::string &password) {
+ cli_->set_proxy_basic_auth(username, password);
+}
+void Client::set_proxy_bearer_token_auth(const std::string &token) {
+ cli_->set_proxy_bearer_token_auth(token);
+}
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+void Client::set_proxy_digest_auth(const std::string &username,
+ const std::string &password) {
+ cli_->set_proxy_digest_auth(username, password);
+}
+#endif
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+void Client::enable_server_certificate_verification(bool enabled) {
+ cli_->enable_server_certificate_verification(enabled);
+}
+#endif
+
+void Client::set_logger(Logger logger) {
+ cli_->set_logger(std::move(logger));
+}
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+void Client::set_ca_cert_path(const std::string &ca_cert_file_path,
+ const std::string &ca_cert_dir_path) {
+ cli_->set_ca_cert_path(ca_cert_file_path, ca_cert_dir_path);
+}
+
+void Client::set_ca_cert_store(X509_STORE *ca_cert_store) {
+ if (is_ssl_) {
+ static_cast<SSLClient &>(*cli_).set_ca_cert_store(ca_cert_store);
+ } else {
+ cli_->set_ca_cert_store(ca_cert_store);
+ }
+}
+
+void Client::load_ca_cert_store(const char *ca_cert, std::size_t size) {
+ set_ca_cert_store(cli_->create_ca_cert_store(ca_cert, size));
+}
+
+long Client::get_openssl_verify_result() const {
+ if (is_ssl_) {
+ return static_cast<SSLClient &>(*cli_).get_openssl_verify_result();
+ }
+ return -1; // NOTE: -1 doesn't match any of X509_V_ERR_???
+}
+
+SSL_CTX *Client::ssl_context() const {
+ if (is_ssl_) { return static_cast<SSLClient &>(*cli_).ssl_context(); }
+ return nullptr;
+}
+#endif
+
+} // namespace httplib
+
+#endif // WORLD_SCORE
--- /dev/null
+//
+// httplib.h
+//
+// Copyright (c) 2023 Yuji Hirose. All rights reserved.
+// MIT License
+//
+
+#ifndef CPPHTTPLIB_HTTPLIB_H
+#define CPPHTTPLIB_HTTPLIB_H
+
+#define CPPHTTPLIB_VERSION "0.12.6"
+
+/*
+ * Configuration
+ */
+
+#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND
+#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5
+#endif
+
+#ifndef CPPHTTPLIB_KEEPALIVE_MAX_COUNT
+#define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 5
+#endif
+
+#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND
+#define CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND 300
+#endif
+
+#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND
+#define CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND 0
+#endif
+
+#ifndef CPPHTTPLIB_READ_TIMEOUT_SECOND
+#define CPPHTTPLIB_READ_TIMEOUT_SECOND 5
+#endif
+
+#ifndef CPPHTTPLIB_READ_TIMEOUT_USECOND
+#define CPPHTTPLIB_READ_TIMEOUT_USECOND 0
+#endif
+
+#ifndef CPPHTTPLIB_WRITE_TIMEOUT_SECOND
+#define CPPHTTPLIB_WRITE_TIMEOUT_SECOND 5
+#endif
+
+#ifndef CPPHTTPLIB_WRITE_TIMEOUT_USECOND
+#define CPPHTTPLIB_WRITE_TIMEOUT_USECOND 0
+#endif
+
+#ifndef CPPHTTPLIB_IDLE_INTERVAL_SECOND
+#define CPPHTTPLIB_IDLE_INTERVAL_SECOND 0
+#endif
+
+#ifndef CPPHTTPLIB_IDLE_INTERVAL_USECOND
+#ifdef _WIN32
+#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 10000
+#else
+#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 0
+#endif
+#endif
+
+#ifndef CPPHTTPLIB_REQUEST_URI_MAX_LENGTH
+#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192
+#endif
+
+#ifndef CPPHTTPLIB_HEADER_MAX_LENGTH
+#define CPPHTTPLIB_HEADER_MAX_LENGTH 8192
+#endif
+
+#ifndef CPPHTTPLIB_REDIRECT_MAX_COUNT
+#define CPPHTTPLIB_REDIRECT_MAX_COUNT 20
+#endif
+
+#ifndef CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT
+#define CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT 1024
+#endif
+
+#ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH
+#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH ((std::numeric_limits<size_t>::max)())
+#endif
+
+#ifndef CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH
+#define CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH 8192
+#endif
+
+#ifndef CPPHTTPLIB_TCP_NODELAY
+#define CPPHTTPLIB_TCP_NODELAY false
+#endif
+
+#ifndef CPPHTTPLIB_RECV_BUFSIZ
+#define CPPHTTPLIB_RECV_BUFSIZ size_t(4096u)
+#endif
+
+#ifndef CPPHTTPLIB_COMPRESSION_BUFSIZ
+#define CPPHTTPLIB_COMPRESSION_BUFSIZ size_t(16384u)
+#endif
+
+#ifndef CPPHTTPLIB_THREAD_POOL_COUNT
+#define CPPHTTPLIB_THREAD_POOL_COUNT \
+ ((std::max)(8u, std::thread::hardware_concurrency() > 0 \
+ ? std::thread::hardware_concurrency() - 1 \
+ : 0))
+#endif
+
+#ifndef CPPHTTPLIB_RECV_FLAGS
+#define CPPHTTPLIB_RECV_FLAGS 0
+#endif
+
+#ifndef CPPHTTPLIB_SEND_FLAGS
+#define CPPHTTPLIB_SEND_FLAGS 0
+#endif
+
+#ifndef CPPHTTPLIB_LISTEN_BACKLOG
+#define CPPHTTPLIB_LISTEN_BACKLOG 5
+#endif
+
+/*
+ * Headers
+ */
+
+#ifdef _WIN32
+#ifndef _CRT_SECURE_NO_WARNINGS
+#define _CRT_SECURE_NO_WARNINGS
+#endif //_CRT_SECURE_NO_WARNINGS
+
+#ifndef _CRT_NONSTDC_NO_DEPRECATE
+#define _CRT_NONSTDC_NO_DEPRECATE
+#endif //_CRT_NONSTDC_NO_DEPRECATE
+
+#if defined(_MSC_VER)
+#if _MSC_VER < 1900
+#error Sorry, Visual Studio versions prior to 2015 are not supported
+#endif
+
+#pragma comment(lib, "ws2_32.lib")
+
+#ifdef _WIN64
+using ssize_t = __int64;
+#else
+using ssize_t = long;
+#endif
+#endif // _MSC_VER
+
+#ifndef S_ISREG
+#define S_ISREG(m) (((m)&S_IFREG) == S_IFREG)
+#endif // S_ISREG
+
+#ifndef S_ISDIR
+#define S_ISDIR(m) (((m)&S_IFDIR) == S_IFDIR)
+#endif // S_ISDIR
+
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif // NOMINMAX
+
+#include <io.h>
+#include <winsock2.h>
+#include <ws2tcpip.h>
+
+#ifndef WSA_FLAG_NO_HANDLE_INHERIT
+#define WSA_FLAG_NO_HANDLE_INHERIT 0x80
+#endif
+
+#ifndef strcasecmp
+#define strcasecmp _stricmp
+#endif // strcasecmp
+
+using socket_t = SOCKET;
+#ifdef CPPHTTPLIB_USE_POLL
+#define poll(fds, nfds, timeout) WSAPoll(fds, nfds, timeout)
+#endif
+
+#else // not _WIN32
+
+#include <arpa/inet.h>
+#if !defined(_AIX) && !defined(__MVS__)
+#include <ifaddrs.h>
+#endif
+#ifdef __MVS__
+#include <strings.h>
+#ifndef NI_MAXHOST
+#define NI_MAXHOST 1025
+#endif
+#endif
+#include <net/if.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#ifdef __linux__
+#include <resolv.h>
+#endif
+#include <netinet/tcp.h>
+#ifdef CPPHTTPLIB_USE_POLL
+#include <poll.h>
+#endif
+#include <csignal>
+#include <pthread.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+
+using socket_t = int;
+#ifndef INVALID_SOCKET
+#define INVALID_SOCKET (-1)
+#endif
+#endif //_WIN32
+
+#include <algorithm>
+#include <array>
+#include <atomic>
+#include <cassert>
+#include <cctype>
+#include <climits>
+#include <condition_variable>
+#include <cstring>
+#include <errno.h>
+#include <fcntl.h>
+#include <fstream>
+#include <functional>
+#include <iomanip>
+#include <iostream>
+#include <list>
+#include <map>
+#include <memory>
+#include <mutex>
+#include <random>
+#include <regex>
+#include <set>
+#include <sstream>
+#include <string>
+#include <sys/stat.h>
+#include <thread>
+#include <utility>
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+#ifdef _WIN32
+#include <wincrypt.h>
+
+// these are defined in wincrypt.h and it breaks compilation if BoringSSL is
+// used
+#undef X509_NAME
+#undef X509_CERT_PAIR
+#undef X509_EXTENSIONS
+#undef PKCS7_SIGNER_INFO
+
+#ifdef _MSC_VER
+#pragma comment(lib, "crypt32.lib")
+#pragma comment(lib, "cryptui.lib")
+#endif
+#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__)
+#include <TargetConditionals.h>
+#if TARGET_OS_OSX
+#include <CoreFoundation/CoreFoundation.h>
+#include <Security/Security.h>
+#endif // TARGET_OS_OSX
+#endif // _WIN32
+
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/ssl.h>
+#include <openssl/x509v3.h>
+
+#if defined(_WIN32) && defined(OPENSSL_USE_APPLINK)
+#include <openssl/applink.c>
+#endif
+
+#include <iostream>
+#include <sstream>
+
+#if OPENSSL_VERSION_NUMBER < 0x1010100fL
+#error Sorry, OpenSSL versions prior to 1.1.1 are not supported
+#elif OPENSSL_VERSION_NUMBER < 0x30000000L
+#define SSL_get1_peer_certificate SSL_get_peer_certificate
+#endif
+
+#endif
+
+#ifdef CPPHTTPLIB_ZLIB_SUPPORT
+#include <zlib.h>
+#endif
+
+#ifdef CPPHTTPLIB_BROTLI_SUPPORT
+#include <brotli/decode.h>
+#include <brotli/encode.h>
+#endif
+
+/*
+ * Declaration
+ */
+namespace httplib {
+
+namespace detail {
+
+/*
+ * Backport std::make_unique from C++14.
+ *
+ * NOTE: This code came up with the following stackoverflow post:
+ * https://stackoverflow.com/questions/10149840/c-arrays-and-make-unique
+ *
+ */
+
+template <class T, class... Args>
+typename std::enable_if<!std::is_array<T>::value, std::unique_ptr<T>>::type
+make_unique(Args &&...args) {
+ return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
+}
+
+template <class T>
+typename std::enable_if<std::is_array<T>::value, std::unique_ptr<T>>::type
+make_unique(std::size_t n) {
+ typedef typename std::remove_extent<T>::type RT;
+ return std::unique_ptr<T>(new RT[n]);
+}
+
+struct ci {
+ bool operator()(const std::string &s1, const std::string &s2) const {
+ return std::lexicographical_compare(s1.begin(), s1.end(), s2.begin(),
+ s2.end(),
+ [](unsigned char c1, unsigned char c2) {
+ return ::tolower(c1) < ::tolower(c2);
+ });
+ }
+};
+
+// This is based on
+// "http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4189".
+
+struct scope_exit {
+ explicit scope_exit(std::function<void(void)> &&f)
+ : exit_function(std::move(f)), execute_on_destruction{true} {}
+
+ scope_exit(scope_exit &&rhs)
+ : exit_function(std::move(rhs.exit_function)),
+ execute_on_destruction{rhs.execute_on_destruction} {
+ rhs.release();
+ }
+
+ ~scope_exit() {
+ if (execute_on_destruction) { this->exit_function(); }
+ }
+
+ void release() { this->execute_on_destruction = false; }
+
+private:
+ scope_exit(const scope_exit &) = delete;
+ void operator=(const scope_exit &) = delete;
+ scope_exit &operator=(scope_exit &&) = delete;
+
+ std::function<void(void)> exit_function;
+ bool execute_on_destruction;
+};
+
+} // namespace detail
+
+using Headers = std::multimap<std::string, std::string, detail::ci>;
+
+using Params = std::multimap<std::string, std::string>;
+using Match = std::smatch;
+
+using Progress = std::function<bool(uint64_t current, uint64_t total)>;
+
+struct Response;
+using ResponseHandler = std::function<bool(const Response &response)>;
+
+struct MultipartFormData {
+ std::string name;
+ std::string content;
+ std::string filename;
+ std::string content_type;
+};
+using MultipartFormDataItems = std::vector<MultipartFormData>;
+using MultipartFormDataMap = std::multimap<std::string, MultipartFormData>;
+
+class DataSink {
+public:
+ DataSink() : os(&sb_), sb_(*this) {}
+
+ DataSink(const DataSink &) = delete;
+ DataSink &operator=(const DataSink &) = delete;
+ DataSink(DataSink &&) = delete;
+ DataSink &operator=(DataSink &&) = delete;
+
+ std::function<bool(const char *data, size_t data_len)> write;
+ std::function<void()> done;
+ std::function<void(const Headers &trailer)> done_with_trailer;
+ std::ostream os;
+
+private:
+ class data_sink_streambuf : public std::streambuf {
+ public:
+ explicit data_sink_streambuf(DataSink &sink) : sink_(sink) {}
+
+ protected:
+ std::streamsize xsputn(const char *s, std::streamsize n) {
+ sink_.write(s, static_cast<size_t>(n));
+ return n;
+ }
+
+ private:
+ DataSink &sink_;
+ };
+
+ data_sink_streambuf sb_;
+};
+
+using ContentProvider =
+ std::function<bool(size_t offset, size_t length, DataSink &sink)>;
+
+using ContentProviderWithoutLength =
+ std::function<bool(size_t offset, DataSink &sink)>;
+
+using ContentProviderResourceReleaser = std::function<void(bool success)>;
+
+struct MultipartFormDataProvider {
+ std::string name;
+ ContentProviderWithoutLength provider;
+ std::string filename;
+ std::string content_type;
+};
+using MultipartFormDataProviderItems = std::vector<MultipartFormDataProvider>;
+
+using ContentReceiverWithProgress =
+ std::function<bool(const char *data, size_t data_length, uint64_t offset,
+ uint64_t total_length)>;
+
+using ContentReceiver =
+ std::function<bool(const char *data, size_t data_length)>;
+
+using MultipartContentHeader =
+ std::function<bool(const MultipartFormData &file)>;
+
+class ContentReader {
+public:
+ using Reader = std::function<bool(ContentReceiver receiver)>;
+ using MultipartReader = std::function<bool(MultipartContentHeader header,
+ ContentReceiver receiver)>;
+
+ ContentReader(Reader reader, MultipartReader multipart_reader)
+ : reader_(std::move(reader)),
+ multipart_reader_(std::move(multipart_reader)) {}
+
+ bool operator()(MultipartContentHeader header,
+ ContentReceiver receiver) const {
+ return multipart_reader_(std::move(header), std::move(receiver));
+ }
+
+ bool operator()(ContentReceiver receiver) const {
+ return reader_(std::move(receiver));
+ }
+
+ Reader reader_;
+ MultipartReader multipart_reader_;
+};
+
+using Range = std::pair<ssize_t, ssize_t>;
+using Ranges = std::vector<Range>;
+
+struct Request {
+ std::string method;
+ std::string path;
+ Headers headers;
+ std::string body;
+
+ std::string remote_addr;
+ int remote_port = -1;
+ std::string local_addr;
+ int local_port = -1;
+
+ // for server
+ std::string version;
+ std::string target;
+ Params params;
+ MultipartFormDataMap files;
+ Ranges ranges;
+ Match matches;
+
+ // for client
+ ResponseHandler response_handler;
+ ContentReceiverWithProgress content_receiver;
+ Progress progress;
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ const SSL *ssl = nullptr;
+#endif
+
+ bool has_header(const std::string &key) const;
+ std::string get_header_value(const std::string &key, size_t id = 0) const;
+ template <typename T>
+ T get_header_value(const std::string &key, size_t id = 0) const;
+ size_t get_header_value_count(const std::string &key) const;
+ void set_header(const std::string &key, const std::string &val);
+
+ bool has_param(const std::string &key) const;
+ std::string get_param_value(const std::string &key, size_t id = 0) const;
+ size_t get_param_value_count(const std::string &key) const;
+
+ bool is_multipart_form_data() const;
+
+ bool has_file(const std::string &key) const;
+ MultipartFormData get_file_value(const std::string &key) const;
+ std::vector<MultipartFormData> get_file_values(const std::string &key) const;
+
+ // private members...
+ size_t redirect_count_ = CPPHTTPLIB_REDIRECT_MAX_COUNT;
+ size_t content_length_ = 0;
+ ContentProvider content_provider_;
+ bool is_chunked_content_provider_ = false;
+ size_t authorization_count_ = 0;
+};
+
+struct Response {
+ std::string version;
+ int status = -1;
+ std::string reason;
+ Headers headers;
+ std::string body;
+ std::string location; // Redirect location
+
+ bool has_header(const std::string &key) const;
+ std::string get_header_value(const std::string &key, size_t id = 0) const;
+ template <typename T>
+ T get_header_value(const std::string &key, size_t id = 0) const;
+ size_t get_header_value_count(const std::string &key) const;
+ void set_header(const std::string &key, const std::string &val);
+
+ void set_redirect(const std::string &url, int status = 302);
+ void set_content(const char *s, size_t n, const std::string &content_type);
+ void set_content(const std::string &s, const std::string &content_type);
+
+ void set_content_provider(
+ size_t length, const std::string &content_type, ContentProvider provider,
+ ContentProviderResourceReleaser resource_releaser = nullptr);
+
+ void set_content_provider(
+ const std::string &content_type, ContentProviderWithoutLength provider,
+ ContentProviderResourceReleaser resource_releaser = nullptr);
+
+ void set_chunked_content_provider(
+ const std::string &content_type, ContentProviderWithoutLength provider,
+ ContentProviderResourceReleaser resource_releaser = nullptr);
+
+ Response() = default;
+ Response(const Response &) = default;
+ Response &operator=(const Response &) = default;
+ Response(Response &&) = default;
+ Response &operator=(Response &&) = default;
+ ~Response() {
+ if (content_provider_resource_releaser_) {
+ content_provider_resource_releaser_(content_provider_success_);
+ }
+ }
+
+ // private members...
+ size_t content_length_ = 0;
+ ContentProvider content_provider_;
+ ContentProviderResourceReleaser content_provider_resource_releaser_;
+ bool is_chunked_content_provider_ = false;
+ bool content_provider_success_ = false;
+};
+
+class Stream {
+public:
+ virtual ~Stream() = default;
+
+ virtual bool is_readable() const = 0;
+ virtual bool is_writable() const = 0;
+
+ virtual ssize_t read(char *ptr, size_t size) = 0;
+ virtual ssize_t write(const char *ptr, size_t size) = 0;
+ virtual void get_remote_ip_and_port(std::string &ip, int &port) const = 0;
+ virtual void get_local_ip_and_port(std::string &ip, int &port) const = 0;
+ virtual socket_t socket() const = 0;
+
+ template <typename... Args>
+ ssize_t write_format(const char *fmt, const Args &...args);
+ ssize_t write(const char *ptr);
+ ssize_t write(const std::string &s);
+};
+
+class TaskQueue {
+public:
+ TaskQueue() = default;
+ virtual ~TaskQueue() = default;
+
+ virtual void enqueue(std::function<void()> fn) = 0;
+ virtual void shutdown() = 0;
+
+ virtual void on_idle() {}
+};
+
+class ThreadPool : public TaskQueue {
+public:
+ explicit ThreadPool(size_t n) : shutdown_(false) {
+ while (n) {
+ threads_.emplace_back(worker(*this));
+ n--;
+ }
+ }
+
+ ThreadPool(const ThreadPool &) = delete;
+ ~ThreadPool() override = default;
+
+ void enqueue(std::function<void()> fn) override {
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+ jobs_.push_back(std::move(fn));
+ }
+
+ cond_.notify_one();
+ }
+
+ void shutdown() override {
+ // Stop all worker threads...
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+ shutdown_ = true;
+ }
+
+ cond_.notify_all();
+
+ // Join...
+ for (auto &t : threads_) {
+ t.join();
+ }
+ }
+
+private:
+ struct worker {
+ explicit worker(ThreadPool &pool) : pool_(pool) {}
+
+ void operator()() {
+ for (;;) {
+ std::function<void()> fn;
+ {
+ std::unique_lock<std::mutex> lock(pool_.mutex_);
+
+ pool_.cond_.wait(
+ lock, [&] { return !pool_.jobs_.empty() || pool_.shutdown_; });
+
+ if (pool_.shutdown_ && pool_.jobs_.empty()) { break; }
+
+ fn = std::move(pool_.jobs_.front());
+ pool_.jobs_.pop_front();
+ }
+
+ assert(true == static_cast<bool>(fn));
+ fn();
+ }
+ }
+
+ ThreadPool &pool_;
+ };
+ friend struct worker;
+
+ std::vector<std::thread> threads_;
+ std::list<std::function<void()>> jobs_;
+
+ bool shutdown_;
+
+ std::condition_variable cond_;
+ std::mutex mutex_;
+};
+
+using Logger = std::function<void(const Request &, const Response &)>;
+
+using SocketOptions = std::function<void(socket_t sock)>;
+
+void default_socket_options(socket_t sock);
+
+class Server {
+public:
+ using Handler = std::function<void(const Request &, Response &)>;
+
+ using ExceptionHandler =
+ std::function<void(const Request &, Response &, std::exception_ptr ep)>;
+
+ enum class HandlerResponse {
+ Handled,
+ Unhandled,
+ };
+ using HandlerWithResponse =
+ std::function<HandlerResponse(const Request &, Response &)>;
+
+ using HandlerWithContentReader = std::function<void(
+ const Request &, Response &, const ContentReader &content_reader)>;
+
+ using Expect100ContinueHandler =
+ std::function<int(const Request &, Response &)>;
+
+ Server();
+
+ virtual ~Server();
+
+ virtual bool is_valid() const;
+
+ Server &Get(const std::string &pattern, Handler handler);
+ Server &Post(const std::string &pattern, Handler handler);
+ Server &Post(const std::string &pattern, HandlerWithContentReader handler);
+ Server &Put(const std::string &pattern, Handler handler);
+ Server &Put(const std::string &pattern, HandlerWithContentReader handler);
+ Server &Patch(const std::string &pattern, Handler handler);
+ Server &Patch(const std::string &pattern, HandlerWithContentReader handler);
+ Server &Delete(const std::string &pattern, Handler handler);
+ Server &Delete(const std::string &pattern, HandlerWithContentReader handler);
+ Server &Options(const std::string &pattern, Handler handler);
+
+ bool set_base_dir(const std::string &dir,
+ const std::string &mount_point = std::string());
+ bool set_mount_point(const std::string &mount_point, const std::string &dir,
+ Headers headers = Headers());
+ bool remove_mount_point(const std::string &mount_point);
+ Server &set_file_extension_and_mimetype_mapping(const std::string &ext,
+ const std::string &mime);
+ Server &set_file_request_handler(Handler handler);
+
+ Server &set_error_handler(HandlerWithResponse handler);
+ Server &set_error_handler(Handler handler);
+ Server &set_exception_handler(ExceptionHandler handler);
+ Server &set_pre_routing_handler(HandlerWithResponse handler);
+ Server &set_post_routing_handler(Handler handler);
+
+ Server &set_expect_100_continue_handler(Expect100ContinueHandler handler);
+ Server &set_logger(Logger logger);
+
+ Server &set_address_family(int family);
+ Server &set_tcp_nodelay(bool on);
+ Server &set_socket_options(SocketOptions socket_options);
+
+ Server &set_default_headers(Headers headers);
+
+ Server &set_keep_alive_max_count(size_t count);
+ Server &set_keep_alive_timeout(time_t sec);
+
+ Server &set_read_timeout(time_t sec, time_t usec = 0);
+ template <class Rep, class Period>
+ Server &set_read_timeout(const std::chrono::duration<Rep, Period> &duration);
+
+ Server &set_write_timeout(time_t sec, time_t usec = 0);
+ template <class Rep, class Period>
+ Server &set_write_timeout(const std::chrono::duration<Rep, Period> &duration);
+
+ Server &set_idle_interval(time_t sec, time_t usec = 0);
+ template <class Rep, class Period>
+ Server &set_idle_interval(const std::chrono::duration<Rep, Period> &duration);
+
+ Server &set_payload_max_length(size_t length);
+
+ bool bind_to_port(const std::string &host, int port, int socket_flags = 0);
+ int bind_to_any_port(const std::string &host, int socket_flags = 0);
+ bool listen_after_bind();
+
+ bool listen(const std::string &host, int port, int socket_flags = 0);
+
+ bool is_running() const;
+ void wait_until_ready() const;
+ void stop();
+
+ std::function<TaskQueue *(void)> new_task_queue;
+
+protected:
+ bool process_request(Stream &strm, bool close_connection,
+ bool &connection_closed,
+ const std::function<void(Request &)> &setup_request);
+
+ std::atomic<socket_t> svr_sock_{INVALID_SOCKET};
+ size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT;
+ time_t keep_alive_timeout_sec_ = CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND;
+ time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND;
+ time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND;
+ time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND;
+ time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND;
+ time_t idle_interval_sec_ = CPPHTTPLIB_IDLE_INTERVAL_SECOND;
+ time_t idle_interval_usec_ = CPPHTTPLIB_IDLE_INTERVAL_USECOND;
+ size_t payload_max_length_ = CPPHTTPLIB_PAYLOAD_MAX_LENGTH;
+
+private:
+ using Handlers = std::vector<std::pair<std::regex, Handler>>;
+ using HandlersForContentReader =
+ std::vector<std::pair<std::regex, HandlerWithContentReader>>;
+
+ socket_t create_server_socket(const std::string &host, int port,
+ int socket_flags,
+ SocketOptions socket_options) const;
+ int bind_internal(const std::string &host, int port, int socket_flags);
+ bool listen_internal();
+
+ bool routing(Request &req, Response &res, Stream &strm);
+ bool handle_file_request(const Request &req, Response &res,
+ bool head = false);
+ bool dispatch_request(Request &req, Response &res, const Handlers &handlers);
+ bool
+ dispatch_request_for_content_reader(Request &req, Response &res,
+ ContentReader content_reader,
+ const HandlersForContentReader &handlers);
+
+ bool parse_request_line(const char *s, Request &req);
+ void apply_ranges(const Request &req, Response &res,
+ std::string &content_type, std::string &boundary);
+ bool write_response(Stream &strm, bool close_connection, const Request &req,
+ Response &res);
+ bool write_response_with_content(Stream &strm, bool close_connection,
+ const Request &req, Response &res);
+ bool write_response_core(Stream &strm, bool close_connection,
+ const Request &req, Response &res,
+ bool need_apply_ranges);
+ bool write_content_with_provider(Stream &strm, const Request &req,
+ Response &res, const std::string &boundary,
+ const std::string &content_type);
+ bool read_content(Stream &strm, Request &req, Response &res);
+ bool
+ read_content_with_content_receiver(Stream &strm, Request &req, Response &res,
+ ContentReceiver receiver,
+ MultipartContentHeader multipart_header,
+ ContentReceiver multipart_receiver);
+ bool read_content_core(Stream &strm, Request &req, Response &res,
+ ContentReceiver receiver,
+ MultipartContentHeader multipart_header,
+ ContentReceiver multipart_receiver);
+
+ virtual bool process_and_close_socket(socket_t sock);
+
+ struct MountPointEntry {
+ std::string mount_point;
+ std::string base_dir;
+ Headers headers;
+ };
+ std::vector<MountPointEntry> base_dirs_;
+
+ std::atomic<bool> is_running_{false};
+ std::atomic<bool> done_{false};
+ std::map<std::string, std::string> file_extension_and_mimetype_map_;
+ Handler file_request_handler_;
+ Handlers get_handlers_;
+ Handlers post_handlers_;
+ HandlersForContentReader post_handlers_for_content_reader_;
+ Handlers put_handlers_;
+ HandlersForContentReader put_handlers_for_content_reader_;
+ Handlers patch_handlers_;
+ HandlersForContentReader patch_handlers_for_content_reader_;
+ Handlers delete_handlers_;
+ HandlersForContentReader delete_handlers_for_content_reader_;
+ Handlers options_handlers_;
+ HandlerWithResponse error_handler_;
+ ExceptionHandler exception_handler_;
+ HandlerWithResponse pre_routing_handler_;
+ Handler post_routing_handler_;
+ Logger logger_;
+ Expect100ContinueHandler expect_100_continue_handler_;
+
+ int address_family_ = AF_UNSPEC;
+ bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY;
+ SocketOptions socket_options_ = default_socket_options;
+
+ Headers default_headers_;
+};
+
+enum class Error {
+ Success = 0,
+ Unknown,
+ Connection,
+ BindIPAddress,
+ Read,
+ Write,
+ ExceedRedirectCount,
+ Canceled,
+ SSLConnection,
+ SSLLoadingCerts,
+ SSLServerVerification,
+ UnsupportedMultipartBoundaryChars,
+ Compression,
+ ConnectionTimeout,
+
+ // For internal use only
+ SSLPeerCouldBeClosed_,
+};
+
+std::string to_string(const Error error);
+
+std::ostream &operator<<(std::ostream &os, const Error &obj);
+
+class Result {
+public:
+ Result(std::unique_ptr<Response> &&res, Error err,
+ Headers &&request_headers = Headers{})
+ : res_(std::move(res)), err_(err),
+ request_headers_(std::move(request_headers)) {}
+ // Response
+ operator bool() const { return res_ != nullptr; }
+ bool operator==(std::nullptr_t) const { return res_ == nullptr; }
+ bool operator!=(std::nullptr_t) const { return res_ != nullptr; }
+ const Response &value() const { return *res_; }
+ Response &value() { return *res_; }
+ const Response &operator*() const { return *res_; }
+ Response &operator*() { return *res_; }
+ const Response *operator->() const { return res_.get(); }
+ Response *operator->() { return res_.get(); }
+
+ // Error
+ Error error() const { return err_; }
+
+ // Request Headers
+ bool has_request_header(const std::string &key) const;
+ std::string get_request_header_value(const std::string &key,
+ size_t id = 0) const;
+ template <typename T>
+ T get_request_header_value(const std::string &key, size_t id = 0) const;
+ size_t get_request_header_value_count(const std::string &key) const;
+
+private:
+ std::unique_ptr<Response> res_;
+ Error err_;
+ Headers request_headers_;
+};
+
+class ClientImpl {
+public:
+ explicit ClientImpl(const std::string &host);
+
+ explicit ClientImpl(const std::string &host, int port);
+
+ explicit ClientImpl(const std::string &host, int port,
+ const std::string &client_cert_path,
+ const std::string &client_key_path);
+
+ virtual ~ClientImpl();
+
+ virtual bool is_valid() const;
+
+ Result Get(const std::string &path);
+ Result Get(const std::string &path, const Headers &headers);
+ Result Get(const std::string &path, Progress progress);
+ Result Get(const std::string &path, const Headers &headers,
+ Progress progress);
+ Result Get(const std::string &path, ContentReceiver content_receiver);
+ Result Get(const std::string &path, const Headers &headers,
+ ContentReceiver content_receiver);
+ Result Get(const std::string &path, ContentReceiver content_receiver,
+ Progress progress);
+ Result Get(const std::string &path, const Headers &headers,
+ ContentReceiver content_receiver, Progress progress);
+ Result Get(const std::string &path, ResponseHandler response_handler,
+ ContentReceiver content_receiver);
+ Result Get(const std::string &path, const Headers &headers,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver);
+ Result Get(const std::string &path, ResponseHandler response_handler,
+ ContentReceiver content_receiver, Progress progress);
+ Result Get(const std::string &path, const Headers &headers,
+ ResponseHandler response_handler, ContentReceiver content_receiver,
+ Progress progress);
+
+ Result Get(const std::string &path, const Params ¶ms,
+ const Headers &headers, Progress progress = nullptr);
+ Result Get(const std::string &path, const Params ¶ms,
+ const Headers &headers, ContentReceiver content_receiver,
+ Progress progress = nullptr);
+ Result Get(const std::string &path, const Params ¶ms,
+ const Headers &headers, ResponseHandler response_handler,
+ ContentReceiver content_receiver, Progress progress = nullptr);
+
+ Result Head(const std::string &path);
+ Result Head(const std::string &path, const Headers &headers);
+
+ Result Post(const std::string &path);
+ Result Post(const std::string &path, const Headers &headers);
+ Result Post(const std::string &path, const char *body, size_t content_length,
+ const std::string &content_type);
+ Result Post(const std::string &path, const Headers &headers, const char *body,
+ size_t content_length, const std::string &content_type);
+ Result Post(const std::string &path, const std::string &body,
+ const std::string &content_type);
+ Result Post(const std::string &path, const Headers &headers,
+ const std::string &body, const std::string &content_type);
+ Result Post(const std::string &path, size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type);
+ Result Post(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+ Result Post(const std::string &path, const Headers &headers,
+ size_t content_length, ContentProvider content_provider,
+ const std::string &content_type);
+ Result Post(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+ Result Post(const std::string &path, const Params ¶ms);
+ Result Post(const std::string &path, const Headers &headers,
+ const Params ¶ms);
+ Result Post(const std::string &path, const MultipartFormDataItems &items);
+ Result Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items);
+ Result Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items, const std::string &boundary);
+ Result Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const MultipartFormDataProviderItems &provider_items);
+
+ Result Put(const std::string &path);
+ Result Put(const std::string &path, const char *body, size_t content_length,
+ const std::string &content_type);
+ Result Put(const std::string &path, const Headers &headers, const char *body,
+ size_t content_length, const std::string &content_type);
+ Result Put(const std::string &path, const std::string &body,
+ const std::string &content_type);
+ Result Put(const std::string &path, const Headers &headers,
+ const std::string &body, const std::string &content_type);
+ Result Put(const std::string &path, size_t content_length,
+ ContentProvider content_provider, const std::string &content_type);
+ Result Put(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+ Result Put(const std::string &path, const Headers &headers,
+ size_t content_length, ContentProvider content_provider,
+ const std::string &content_type);
+ Result Put(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+ Result Put(const std::string &path, const Params ¶ms);
+ Result Put(const std::string &path, const Headers &headers,
+ const Params ¶ms);
+ Result Put(const std::string &path, const MultipartFormDataItems &items);
+ Result Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items);
+ Result Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items, const std::string &boundary);
+ Result Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const MultipartFormDataProviderItems &provider_items);
+
+ Result Patch(const std::string &path);
+ Result Patch(const std::string &path, const char *body, size_t content_length,
+ const std::string &content_type);
+ Result Patch(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type);
+ Result Patch(const std::string &path, const std::string &body,
+ const std::string &content_type);
+ Result Patch(const std::string &path, const Headers &headers,
+ const std::string &body, const std::string &content_type);
+ Result Patch(const std::string &path, size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type);
+ Result Patch(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+ Result Patch(const std::string &path, const Headers &headers,
+ size_t content_length, ContentProvider content_provider,
+ const std::string &content_type);
+ Result Patch(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+
+ Result Delete(const std::string &path);
+ Result Delete(const std::string &path, const Headers &headers);
+ Result Delete(const std::string &path, const char *body,
+ size_t content_length, const std::string &content_type);
+ Result Delete(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type);
+ Result Delete(const std::string &path, const std::string &body,
+ const std::string &content_type);
+ Result Delete(const std::string &path, const Headers &headers,
+ const std::string &body, const std::string &content_type);
+
+ Result Options(const std::string &path);
+ Result Options(const std::string &path, const Headers &headers);
+
+ bool send(Request &req, Response &res, Error &error);
+ Result send(const Request &req);
+
+ size_t is_socket_open() const;
+
+ socket_t socket() const;
+
+ void stop();
+
+ void set_hostname_addr_map(std::map<std::string, std::string> addr_map);
+
+ void set_default_headers(Headers headers);
+
+ void set_address_family(int family);
+ void set_tcp_nodelay(bool on);
+ void set_socket_options(SocketOptions socket_options);
+
+ void set_connection_timeout(time_t sec, time_t usec = 0);
+ template <class Rep, class Period>
+ void
+ set_connection_timeout(const std::chrono::duration<Rep, Period> &duration);
+
+ void set_read_timeout(time_t sec, time_t usec = 0);
+ template <class Rep, class Period>
+ void set_read_timeout(const std::chrono::duration<Rep, Period> &duration);
+
+ void set_write_timeout(time_t sec, time_t usec = 0);
+ template <class Rep, class Period>
+ void set_write_timeout(const std::chrono::duration<Rep, Period> &duration);
+
+ void set_basic_auth(const std::string &username, const std::string &password);
+ void set_bearer_token_auth(const std::string &token);
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ void set_digest_auth(const std::string &username,
+ const std::string &password);
+#endif
+
+ void set_keep_alive(bool on);
+ void set_follow_location(bool on);
+
+ void set_url_encode(bool on);
+
+ void set_compress(bool on);
+
+ void set_decompress(bool on);
+
+ void set_interface(const std::string &intf);
+
+ void set_proxy(const std::string &host, int port);
+ void set_proxy_basic_auth(const std::string &username,
+ const std::string &password);
+ void set_proxy_bearer_token_auth(const std::string &token);
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ void set_proxy_digest_auth(const std::string &username,
+ const std::string &password);
+#endif
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ void set_ca_cert_path(const std::string &ca_cert_file_path,
+ const std::string &ca_cert_dir_path = std::string());
+ void set_ca_cert_store(X509_STORE *ca_cert_store);
+ X509_STORE *create_ca_cert_store(const char *ca_cert, std::size_t size);
+#endif
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ void enable_server_certificate_verification(bool enabled);
+#endif
+
+ void set_logger(Logger logger);
+
+protected:
+ struct Socket {
+ socket_t sock = INVALID_SOCKET;
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ SSL *ssl = nullptr;
+#endif
+
+ bool is_open() const { return sock != INVALID_SOCKET; }
+ };
+
+ virtual bool create_and_connect_socket(Socket &socket, Error &error);
+
+ // All of:
+ // shutdown_ssl
+ // shutdown_socket
+ // close_socket
+ // should ONLY be called when socket_mutex_ is locked.
+ // Also, shutdown_ssl and close_socket should also NOT be called concurrently
+ // with a DIFFERENT thread sending requests using that socket.
+ virtual void shutdown_ssl(Socket &socket, bool shutdown_gracefully);
+ void shutdown_socket(Socket &socket);
+ void close_socket(Socket &socket);
+
+ bool process_request(Stream &strm, Request &req, Response &res,
+ bool close_connection, Error &error);
+
+ bool write_content_with_provider(Stream &strm, const Request &req,
+ Error &error);
+
+ void copy_settings(const ClientImpl &rhs);
+
+ // Socket endpoint information
+ const std::string host_;
+ const int port_;
+ const std::string host_and_port_;
+
+ // Current open socket
+ Socket socket_;
+ mutable std::mutex socket_mutex_;
+ std::recursive_mutex request_mutex_;
+
+ // These are all protected under socket_mutex
+ size_t socket_requests_in_flight_ = 0;
+ std::thread::id socket_requests_are_from_thread_ = std::thread::id();
+ bool socket_should_be_closed_when_request_is_done_ = false;
+
+ // Hostname-IP map
+ std::map<std::string, std::string> addr_map_;
+
+ // Default headers
+ Headers default_headers_;
+
+ // Settings
+ std::string client_cert_path_;
+ std::string client_key_path_;
+
+ time_t connection_timeout_sec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND;
+ time_t connection_timeout_usec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND;
+ time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND;
+ time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND;
+ time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND;
+ time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND;
+
+ std::string basic_auth_username_;
+ std::string basic_auth_password_;
+ std::string bearer_token_auth_token_;
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ std::string digest_auth_username_;
+ std::string digest_auth_password_;
+#endif
+
+ bool keep_alive_ = false;
+ bool follow_location_ = false;
+
+ bool url_encode_ = true;
+
+ int address_family_ = AF_UNSPEC;
+ bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY;
+ SocketOptions socket_options_ = nullptr;
+
+ bool compress_ = false;
+ bool decompress_ = true;
+
+ std::string interface_;
+
+ std::string proxy_host_;
+ int proxy_port_ = -1;
+
+ std::string proxy_basic_auth_username_;
+ std::string proxy_basic_auth_password_;
+ std::string proxy_bearer_token_auth_token_;
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ std::string proxy_digest_auth_username_;
+ std::string proxy_digest_auth_password_;
+#endif
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ std::string ca_cert_file_path_;
+ std::string ca_cert_dir_path_;
+
+ X509_STORE *ca_cert_store_ = nullptr;
+#endif
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ bool server_certificate_verification_ = true;
+#endif
+
+ Logger logger_;
+
+private:
+ bool send_(Request &req, Response &res, Error &error);
+ Result send_(Request &&req);
+
+ socket_t create_client_socket(Error &error) const;
+ bool read_response_line(Stream &strm, const Request &req, Response &res);
+ bool write_request(Stream &strm, Request &req, bool close_connection,
+ Error &error);
+ bool redirect(Request &req, Response &res, Error &error);
+ bool handle_request(Stream &strm, Request &req, Response &res,
+ bool close_connection, Error &error);
+ std::unique_ptr<Response> send_with_content_provider(
+ Request &req, const char *body, size_t content_length,
+ ContentProvider content_provider,
+ ContentProviderWithoutLength content_provider_without_length,
+ const std::string &content_type, Error &error);
+ Result send_with_content_provider(
+ const std::string &method, const std::string &path,
+ const Headers &headers, const char *body, size_t content_length,
+ ContentProvider content_provider,
+ ContentProviderWithoutLength content_provider_without_length,
+ const std::string &content_type);
+ ContentProviderWithoutLength get_multipart_content_provider(
+ const std::string &boundary, const MultipartFormDataItems &items,
+ const MultipartFormDataProviderItems &provider_items);
+
+ std::string adjust_host_string(const std::string &host) const;
+
+ virtual bool process_socket(const Socket &socket,
+ std::function<bool(Stream &strm)> callback);
+ virtual bool is_ssl() const;
+};
+
+class Client {
+public:
+ // Universal interface
+ explicit Client(const std::string &scheme_host_port);
+
+ explicit Client(const std::string &scheme_host_port,
+ const std::string &client_cert_path,
+ const std::string &client_key_path);
+
+ // HTTP only interface
+ explicit Client(const std::string &host, int port);
+
+ explicit Client(const std::string &host, int port,
+ const std::string &client_cert_path,
+ const std::string &client_key_path);
+
+ Client(Client &&) = default;
+
+ ~Client();
+
+ bool is_valid() const;
+
+ Result Get(const std::string &path);
+ Result Get(const std::string &path, const Headers &headers);
+ Result Get(const std::string &path, Progress progress);
+ Result Get(const std::string &path, const Headers &headers,
+ Progress progress);
+ Result Get(const std::string &path, ContentReceiver content_receiver);
+ Result Get(const std::string &path, const Headers &headers,
+ ContentReceiver content_receiver);
+ Result Get(const std::string &path, ContentReceiver content_receiver,
+ Progress progress);
+ Result Get(const std::string &path, const Headers &headers,
+ ContentReceiver content_receiver, Progress progress);
+ Result Get(const std::string &path, ResponseHandler response_handler,
+ ContentReceiver content_receiver);
+ Result Get(const std::string &path, const Headers &headers,
+ ResponseHandler response_handler,
+ ContentReceiver content_receiver);
+ Result Get(const std::string &path, const Headers &headers,
+ ResponseHandler response_handler, ContentReceiver content_receiver,
+ Progress progress);
+ Result Get(const std::string &path, ResponseHandler response_handler,
+ ContentReceiver content_receiver, Progress progress);
+
+ Result Get(const std::string &path, const Params ¶ms,
+ const Headers &headers, Progress progress = nullptr);
+ Result Get(const std::string &path, const Params ¶ms,
+ const Headers &headers, ContentReceiver content_receiver,
+ Progress progress = nullptr);
+ Result Get(const std::string &path, const Params ¶ms,
+ const Headers &headers, ResponseHandler response_handler,
+ ContentReceiver content_receiver, Progress progress = nullptr);
+
+ Result Head(const std::string &path);
+ Result Head(const std::string &path, const Headers &headers);
+
+ Result Post(const std::string &path);
+ Result Post(const std::string &path, const Headers &headers);
+ Result Post(const std::string &path, const char *body, size_t content_length,
+ const std::string &content_type);
+ Result Post(const std::string &path, const Headers &headers, const char *body,
+ size_t content_length, const std::string &content_type);
+ Result Post(const std::string &path, const std::string &body,
+ const std::string &content_type);
+ Result Post(const std::string &path, const Headers &headers,
+ const std::string &body, const std::string &content_type);
+ Result Post(const std::string &path, size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type);
+ Result Post(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+ Result Post(const std::string &path, const Headers &headers,
+ size_t content_length, ContentProvider content_provider,
+ const std::string &content_type);
+ Result Post(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+ Result Post(const std::string &path, const Params ¶ms);
+ Result Post(const std::string &path, const Headers &headers,
+ const Params ¶ms);
+ Result Post(const std::string &path, const MultipartFormDataItems &items);
+ Result Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items);
+ Result Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items, const std::string &boundary);
+ Result Post(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const MultipartFormDataProviderItems &provider_items);
+
+ Result Put(const std::string &path);
+ Result Put(const std::string &path, const char *body, size_t content_length,
+ const std::string &content_type);
+ Result Put(const std::string &path, const Headers &headers, const char *body,
+ size_t content_length, const std::string &content_type);
+ Result Put(const std::string &path, const std::string &body,
+ const std::string &content_type);
+ Result Put(const std::string &path, const Headers &headers,
+ const std::string &body, const std::string &content_type);
+ Result Put(const std::string &path, size_t content_length,
+ ContentProvider content_provider, const std::string &content_type);
+ Result Put(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+ Result Put(const std::string &path, const Headers &headers,
+ size_t content_length, ContentProvider content_provider,
+ const std::string &content_type);
+ Result Put(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+ Result Put(const std::string &path, const Params ¶ms);
+ Result Put(const std::string &path, const Headers &headers,
+ const Params ¶ms);
+ Result Put(const std::string &path, const MultipartFormDataItems &items);
+ Result Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items);
+ Result Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items, const std::string &boundary);
+ Result Put(const std::string &path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const MultipartFormDataProviderItems &provider_items);
+
+ Result Patch(const std::string &path);
+ Result Patch(const std::string &path, const char *body, size_t content_length,
+ const std::string &content_type);
+ Result Patch(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type);
+ Result Patch(const std::string &path, const std::string &body,
+ const std::string &content_type);
+ Result Patch(const std::string &path, const Headers &headers,
+ const std::string &body, const std::string &content_type);
+ Result Patch(const std::string &path, size_t content_length,
+ ContentProvider content_provider,
+ const std::string &content_type);
+ Result Patch(const std::string &path,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+ Result Patch(const std::string &path, const Headers &headers,
+ size_t content_length, ContentProvider content_provider,
+ const std::string &content_type);
+ Result Patch(const std::string &path, const Headers &headers,
+ ContentProviderWithoutLength content_provider,
+ const std::string &content_type);
+
+ Result Delete(const std::string &path);
+ Result Delete(const std::string &path, const Headers &headers);
+ Result Delete(const std::string &path, const char *body,
+ size_t content_length, const std::string &content_type);
+ Result Delete(const std::string &path, const Headers &headers,
+ const char *body, size_t content_length,
+ const std::string &content_type);
+ Result Delete(const std::string &path, const std::string &body,
+ const std::string &content_type);
+ Result Delete(const std::string &path, const Headers &headers,
+ const std::string &body, const std::string &content_type);
+
+ Result Options(const std::string &path);
+ Result Options(const std::string &path, const Headers &headers);
+
+ bool send(Request &req, Response &res, Error &error);
+ Result send(const Request &req);
+
+ size_t is_socket_open() const;
+
+ socket_t socket() const;
+
+ void stop();
+
+ void set_hostname_addr_map(std::map<std::string, std::string> addr_map);
+
+ void set_default_headers(Headers headers);
+
+ void set_address_family(int family);
+ void set_tcp_nodelay(bool on);
+ void set_socket_options(SocketOptions socket_options);
+
+ void set_connection_timeout(time_t sec, time_t usec = 0);
+ template <class Rep, class Period>
+ void
+ set_connection_timeout(const std::chrono::duration<Rep, Period> &duration);
+
+ void set_read_timeout(time_t sec, time_t usec = 0);
+ template <class Rep, class Period>
+ void set_read_timeout(const std::chrono::duration<Rep, Period> &duration);
+
+ void set_write_timeout(time_t sec, time_t usec = 0);
+ template <class Rep, class Period>
+ void set_write_timeout(const std::chrono::duration<Rep, Period> &duration);
+
+ void set_basic_auth(const std::string &username, const std::string &password);
+ void set_bearer_token_auth(const std::string &token);
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ void set_digest_auth(const std::string &username,
+ const std::string &password);
+#endif
+
+ void set_keep_alive(bool on);
+ void set_follow_location(bool on);
+
+ void set_url_encode(bool on);
+
+ void set_compress(bool on);
+
+ void set_decompress(bool on);
+
+ void set_interface(const std::string &intf);
+
+ void set_proxy(const std::string &host, int port);
+ void set_proxy_basic_auth(const std::string &username,
+ const std::string &password);
+ void set_proxy_bearer_token_auth(const std::string &token);
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ void set_proxy_digest_auth(const std::string &username,
+ const std::string &password);
+#endif
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ void enable_server_certificate_verification(bool enabled);
+#endif
+
+ void set_logger(Logger logger);
+
+ // SSL
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ void set_ca_cert_path(const std::string &ca_cert_file_path,
+ const std::string &ca_cert_dir_path = std::string());
+
+ void set_ca_cert_store(X509_STORE *ca_cert_store);
+ void load_ca_cert_store(const char *ca_cert, std::size_t size);
+
+ long get_openssl_verify_result() const;
+
+ SSL_CTX *ssl_context() const;
+#endif
+
+private:
+ std::unique_ptr<ClientImpl> cli_;
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+ bool is_ssl_ = false;
+#endif
+};
+
+#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
+class SSLServer : public Server {
+public:
+ SSLServer(const char *cert_path, const char *private_key_path,
+ const char *client_ca_cert_file_path = nullptr,
+ const char *client_ca_cert_dir_path = nullptr,
+ const char *private_key_password = nullptr);
+
+ SSLServer(X509 *cert, EVP_PKEY *private_key,
+ X509_STORE *client_ca_cert_store = nullptr);
+
+ SSLServer(
+ const std::function<bool(SSL_CTX &ssl_ctx)> &setup_ssl_ctx_callback);
+
+ ~SSLServer() override;
+
+ bool is_valid() const override;
+
+ SSL_CTX *ssl_context() const;
+
+private:
+ bool process_and_close_socket(socket_t sock) override;
+
+ SSL_CTX *ctx_;
+ std::mutex ctx_mutex_;
+};
+
+class SSLClient : public ClientImpl {
+public:
+ explicit SSLClient(const std::string &host);
+
+ explicit SSLClient(const std::string &host, int port);
+
+ explicit SSLClient(const std::string &host, int port,
+ const std::string &client_cert_path,
+ const std::string &client_key_path);
+
+ explicit SSLClient(const std::string &host, int port, X509 *client_cert,
+ EVP_PKEY *client_key);
+
+ ~SSLClient() override;
+
+ bool is_valid() const override;
+
+ void set_ca_cert_store(X509_STORE *ca_cert_store);
+ void load_ca_cert_store(const char *ca_cert, std::size_t size);
+
+ long get_openssl_verify_result() const;
+
+ SSL_CTX *ssl_context() const;
+
+private:
+ bool create_and_connect_socket(Socket &socket, Error &error) override;
+ void shutdown_ssl(Socket &socket, bool shutdown_gracefully) override;
+ void shutdown_ssl_impl(Socket &socket, bool shutdown_socket);
+
+ bool process_socket(const Socket &socket,
+ std::function<bool(Stream &strm)> callback) override;
+ bool is_ssl() const override;
+
+ bool connect_with_proxy(Socket &sock, Response &res, bool &success,
+ Error &error);
+ bool initialize_ssl(Socket &socket, Error &error);
+
+ bool load_certs();
+
+ bool verify_host(X509 *server_cert) const;
+ bool verify_host_with_subject_alt_name(X509 *server_cert) const;
+ bool verify_host_with_common_name(X509 *server_cert) const;
+ bool check_host_name(const char *pattern, size_t pattern_len) const;
+
+ SSL_CTX *ctx_;
+ std::mutex ctx_mutex_;
+ std::once_flag initialize_cert_;
+
+ std::vector<std::string> host_components_;
+
+ long verify_result_ = 0;
+
+ friend class ClientImpl;
+};
+#endif
+
+/*
+ * Implementation of template methods.
+ */
+
+namespace detail {
+
+template <typename T, typename U>
+inline void duration_to_sec_and_usec(const T &duration, U callback) {
+ auto sec = std::chrono::duration_cast<std::chrono::seconds>(duration).count();
+ auto usec = std::chrono::duration_cast<std::chrono::microseconds>(
+ duration - std::chrono::seconds(sec))
+ .count();
+ callback(static_cast<time_t>(sec), static_cast<time_t>(usec));
+}
+
+template <typename T>
+inline T get_header_value(const Headers & /*headers*/,
+ const std::string & /*key*/, size_t /*id*/ = 0,
+ uint64_t /*def*/ = 0) {}
+
+template <>
+inline uint64_t get_header_value<uint64_t>(const Headers &headers,
+ const std::string &key, size_t id,
+ uint64_t def) {
+ auto rng = headers.equal_range(key);
+ auto it = rng.first;
+ std::advance(it, static_cast<ssize_t>(id));
+ if (it != rng.second) {
+ return std::strtoull(it->second.data(), nullptr, 10);
+ }
+ return def;
+}
+
+} // namespace detail
+
+template <typename T>
+inline T Request::get_header_value(const std::string &key, size_t id) const {
+ return detail::get_header_value<T>(headers, key, id, 0);
+}
+
+template <typename T>
+inline T Response::get_header_value(const std::string &key, size_t id) const {
+ return detail::get_header_value<T>(headers, key, id, 0);
+}
+
+template <typename... Args>
+inline ssize_t Stream::write_format(const char *fmt, const Args &...args) {
+ const auto bufsiz = 2048;
+ std::array<char, bufsiz> buf{};
+
+ auto sn = snprintf(buf.data(), buf.size() - 1, fmt, args...);
+ if (sn <= 0) { return sn; }
+
+ auto n = static_cast<size_t>(sn);
+
+ if (n >= buf.size() - 1) {
+ std::vector<char> glowable_buf(buf.size());
+
+ while (n >= glowable_buf.size() - 1) {
+ glowable_buf.resize(glowable_buf.size() * 2);
+ n = static_cast<size_t>(
+ snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...));
+ }
+ return write(&glowable_buf[0], n);
+ } else {
+ return write(buf.data(), n);
+ }
+}
+
+inline void default_socket_options(socket_t sock) {
+ int yes = 1;
+#ifdef _WIN32
+ setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast<char *>(&yes),
+ sizeof(yes));
+ setsockopt(sock, SOL_SOCKET, SO_EXCLUSIVEADDRUSE,
+ reinterpret_cast<char *>(&yes), sizeof(yes));
+#else
+#ifdef SO_REUSEPORT
+ setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, reinterpret_cast<void *>(&yes),
+ sizeof(yes));
+#else
+ setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast<void *>(&yes),
+ sizeof(yes));
+#endif
+#endif
+}
+
+template <class Rep, class Period>
+inline Server &
+Server::set_read_timeout(const std::chrono::duration<Rep, Period> &duration) {
+ detail::duration_to_sec_and_usec(
+ duration, [&](time_t sec, time_t usec) { set_read_timeout(sec, usec); });
+ return *this;
+}
+
+template <class Rep, class Period>
+inline Server &
+Server::set_write_timeout(const std::chrono::duration<Rep, Period> &duration) {
+ detail::duration_to_sec_and_usec(
+ duration, [&](time_t sec, time_t usec) { set_write_timeout(sec, usec); });
+ return *this;
+}
+
+template <class Rep, class Period>
+inline Server &
+Server::set_idle_interval(const std::chrono::duration<Rep, Period> &duration) {
+ detail::duration_to_sec_and_usec(
+ duration, [&](time_t sec, time_t usec) { set_idle_interval(sec, usec); });
+ return *this;
+}
+
+inline std::string to_string(const Error error) {
+ switch (error) {
+ case Error::Success: return "Success (no error)";
+ case Error::Connection: return "Could not establish connection";
+ case Error::BindIPAddress: return "Failed to bind IP address";
+ case Error::Read: return "Failed to read connection";
+ case Error::Write: return "Failed to write connection";
+ case Error::ExceedRedirectCount: return "Maximum redirect count exceeded";
+ case Error::Canceled: return "Connection handling canceled";
+ case Error::SSLConnection: return "SSL connection failed";
+ case Error::SSLLoadingCerts: return "SSL certificate loading failed";
+ case Error::SSLServerVerification: return "SSL server verification failed";
+ case Error::UnsupportedMultipartBoundaryChars:
+ return "Unsupported HTTP multipart boundary characters";
+ case Error::Compression: return "Compression failed";
+ case Error::ConnectionTimeout: return "Connection timed out";
+ case Error::Unknown: return "Unknown";
+ default: break;
+ }
+
+ return "Invalid";
+}
+
+inline std::ostream &operator<<(std::ostream &os, const Error &obj) {
+ os << to_string(obj);
+ os << " (" << static_cast<std::underlying_type<Error>::type>(obj) << ')';
+ return os;
+}
+
+template <typename T>
+inline T Result::get_request_header_value(const std::string &key,
+ size_t id) const {
+ return detail::get_header_value<T>(request_headers_, key, id, 0);
+}
+
+template <class Rep, class Period>
+inline void ClientImpl::set_connection_timeout(
+ const std::chrono::duration<Rep, Period> &duration) {
+ detail::duration_to_sec_and_usec(duration, [&](time_t sec, time_t usec) {
+ set_connection_timeout(sec, usec);
+ });
+}
+
+template <class Rep, class Period>
+inline void ClientImpl::set_read_timeout(
+ const std::chrono::duration<Rep, Period> &duration) {
+ detail::duration_to_sec_and_usec(
+ duration, [&](time_t sec, time_t usec) { set_read_timeout(sec, usec); });
+}
+
+template <class Rep, class Period>
+inline void ClientImpl::set_write_timeout(
+ const std::chrono::duration<Rep, Period> &duration) {
+ detail::duration_to_sec_and_usec(
+ duration, [&](time_t sec, time_t usec) { set_write_timeout(sec, usec); });
+}
+
+template <class Rep, class Period>
+inline void Client::set_connection_timeout(
+ const std::chrono::duration<Rep, Period> &duration) {
+ cli_->set_connection_timeout(duration);
+}
+
+template <class Rep, class Period>
+inline void
+Client::set_read_timeout(const std::chrono::duration<Rep, Period> &duration) {
+ cli_->set_read_timeout(duration);
+}
+
+template <class Rep, class Period>
+inline void
+Client::set_write_timeout(const std::chrono::duration<Rep, Period> &duration) {
+ cli_->set_write_timeout(duration);
+}
+
+/*
+ * Forward declarations and types that will be part of the .h file if split into
+ * .h + .cc.
+ */
+
+std::string hosted_at(const std::string &hostname);
+
+void hosted_at(const std::string &hostname, std::vector<std::string> &addrs);
+
+std::string append_query_params(const std::string &path, const Params ¶ms);
+
+std::pair<std::string, std::string> make_range_header(Ranges ranges);
+
+std::pair<std::string, std::string>
+make_basic_authentication_header(const std::string &username,
+ const std::string &password,
+ bool is_proxy = false);
+
+namespace detail {
+
+std::string encode_query_param(const std::string &value);
+
+std::string decode_url(const std::string &s, bool convert_plus_to_space);
+
+void read_file(const std::string &path, std::string &out);
+
+std::string trim_copy(const std::string &s);
+
+void split(const char *b, const char *e, char d,
+ std::function<void(const char *, const char *)> fn);
+
+bool process_client_socket(socket_t sock, time_t read_timeout_sec,
+ time_t read_timeout_usec, time_t write_timeout_sec,
+ time_t write_timeout_usec,
+ std::function<bool(Stream &)> callback);
+
+socket_t create_client_socket(
+ const std::string &host, const std::string &ip, int port,
+ int address_family, bool tcp_nodelay, SocketOptions socket_options,
+ time_t connection_timeout_sec, time_t connection_timeout_usec,
+ time_t read_timeout_sec, time_t read_timeout_usec, time_t write_timeout_sec,
+ time_t write_timeout_usec, const std::string &intf, Error &error);
+
+const char *get_header_value(const Headers &headers, const std::string &key,
+ size_t id = 0, const char *def = nullptr);
+
+std::string params_to_query_str(const Params ¶ms);
+
+void parse_query_text(const std::string &s, Params ¶ms);
+
+bool parse_multipart_boundary(const std::string &content_type,
+ std::string &boundary);
+
+bool parse_range_header(const std::string &s, Ranges &ranges);
+
+int close_socket(socket_t sock);
+
+ssize_t send_socket(socket_t sock, const void *ptr, size_t size, int flags);
+
+ssize_t read_socket(socket_t sock, void *ptr, size_t size, int flags);
+
+enum class EncodingType { None = 0, Gzip, Brotli };
+
+EncodingType encoding_type(const Request &req, const Response &res);
+
+class BufferStream : public Stream {
+public:
+ BufferStream() = default;
+ ~BufferStream() override = default;
+
+ bool is_readable() const override;
+ bool is_writable() const override;
+ ssize_t read(char *ptr, size_t size) override;
+ ssize_t write(const char *ptr, size_t size) override;
+ void get_remote_ip_and_port(std::string &ip, int &port) const override;
+ void get_local_ip_and_port(std::string &ip, int &port) const override;
+ socket_t socket() const override;
+
+ const std::string &get_buffer() const;
+
+private:
+ std::string buffer;
+ size_t position = 0;
+};
+
+class compressor {
+public:
+ virtual ~compressor() = default;
+
+ typedef std::function<bool(const char *data, size_t data_len)> Callback;
+ virtual bool compress(const char *data, size_t data_length, bool last,
+ Callback callback) = 0;
+};
+
+class decompressor {
+public:
+ virtual ~decompressor() = default;
+
+ virtual bool is_valid() const = 0;
+
+ typedef std::function<bool(const char *data, size_t data_len)> Callback;
+ virtual bool decompress(const char *data, size_t data_length,
+ Callback callback) = 0;
+};
+
+class nocompressor : public compressor {
+public:
+ virtual ~nocompressor() = default;
+
+ bool compress(const char *data, size_t data_length, bool /*last*/,
+ Callback callback) override;
+};
+
+#ifdef CPPHTTPLIB_ZLIB_SUPPORT
+class gzip_compressor : public compressor {
+public:
+ gzip_compressor();
+ ~gzip_compressor();
+
+ bool compress(const char *data, size_t data_length, bool last,
+ Callback callback) override;
+
+private:
+ bool is_valid_ = false;
+ z_stream strm_;
+};
+
+class gzip_decompressor : public decompressor {
+public:
+ gzip_decompressor();
+ ~gzip_decompressor();
+
+ bool is_valid() const override;
+
+ bool decompress(const char *data, size_t data_length,
+ Callback callback) override;
+
+private:
+ bool is_valid_ = false;
+ z_stream strm_;
+};
+#endif
+
+#ifdef CPPHTTPLIB_BROTLI_SUPPORT
+class brotli_compressor : public compressor {
+public:
+ brotli_compressor();
+ ~brotli_compressor();
+
+ bool compress(const char *data, size_t data_length, bool last,
+ Callback callback) override;
+
+private:
+ BrotliEncoderState *state_ = nullptr;
+};
+
+class brotli_decompressor : public decompressor {
+public:
+ brotli_decompressor();
+ ~brotli_decompressor();
+
+ bool is_valid() const override;
+
+ bool decompress(const char *data, size_t data_length,
+ Callback callback) override;
+
+private:
+ BrotliDecoderResult decoder_r;
+ BrotliDecoderState *decoder_s = nullptr;
+};
+#endif
+
+// NOTE: until the read size reaches `fixed_buffer_size`, use `fixed_buffer`
+// to store data. The call can set memory on stack for performance.
+class stream_line_reader {
+public:
+ stream_line_reader(Stream &strm, char *fixed_buffer,
+ size_t fixed_buffer_size);
+ const char *ptr() const;
+ size_t size() const;
+ bool end_with_crlf() const;
+ bool getline();
+
+private:
+ void append(char c);
+
+ Stream &strm_;
+ char *fixed_buffer_;
+ const size_t fixed_buffer_size_;
+ size_t fixed_buffer_used_size_ = 0;
+ std::string glowable_buffer_;
+};
+
+} // namespace detail
+
+
+} // namespace httplib
+
+#if defined(_WIN32) && defined(CPPHTTPLIB_USE_POLL)
+#undef poll
+#endif
+
+#endif // CPPHTTPLIB_HTTPLIB_H
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