<?php
-/////////////////////////////////////////////////
// PukiWiki - Yet another WikiWikiWeb clone.
+// file.php
+// Copyright (C)
+// 2002-2016 PukiWiki Development Team
+// 2001-2002 Originally written by yu-ji
+// License: GPL v2 or (at your option) any later version
//
-// $Id: file.php,v 1.6 2004/10/11 01:28:59 henoheno Exp $
-//
+// File related functions
+
+// RecentChanges
+define('PKWK_MAXSHOW_ALLOWANCE', 10);
+define('PKWK_MAXSHOW_CACHE', 'recent.dat');
+
+// AutoLink
+define('PKWK_AUTOLINK_REGEX_CACHE', 'autolink.dat');
-// ¥½¡¼¥¹¤ò¼èÆÀ
-function get_source($page = NULL)
+// Get source(wiki text) data of the page
+// Returns FALSE if error occurerd
+function get_source($page = NULL, $lock = TRUE, $join = FALSE)
{
- return is_page($page) ? str_replace("\r", '', file(get_filename($page))) : array();
+ //$result = NULL; // File is not found
+ $result = $join ? '' : array();
+ // Compat for "implode('', get_source($file))",
+ // -- this is slower than "get_source($file, TRUE, TRUE)"
+ // Compat for foreach(get_source($file) as $line) {} not to warns
+
+ $path = get_filename($page);
+ if (file_exists($path)) {
+
+ if ($lock) {
+ $fp = @fopen($path, 'r');
+ if ($fp === FALSE) return FALSE;
+ flock($fp, LOCK_SH);
+ }
+
+ if ($join) {
+ // Returns a value
+ $size = filesize($path);
+ if ($size === FALSE) {
+ $result = FALSE;
+ } else if ($size == 0) {
+ $result = '';
+ } else {
+ $result = fread($fp, $size);
+ if ($result !== FALSE) {
+ // Removing line-feeds
+ $result = str_replace("\r", '', $result);
+ }
+ }
+ } else {
+ // Returns an array
+ $result = file($path);
+ if ($result !== FALSE) {
+ // Removing line-feeds
+ $result = str_replace("\r", '', $result);
+ }
+ }
+
+ if ($lock) {
+ flock($fp, LOCK_UN);
+ @fclose($fp);
+ }
+ }
+
+ return $result;
}
-// ¥Ú¡¼¥¸¤Î¹¹¿·»þ¹ï¤òÆÀ¤ë
+// Get last-modified filetime of the page
function get_filetime($page)
{
return is_page($page) ? filemtime(get_filename($page)) - LOCALZONE : 0;
}
-// ¥Ú¡¼¥¸¤Î¥Õ¥¡¥¤¥ë̾¤òÆÀ¤ë
+// Get physical file name of the page
function get_filename($page)
{
return DATA_DIR . encode($page) . '.txt';
}
-// ¥Ú¡¼¥¸¤Î½ÐÎÏ
+// Put a data(wiki text) into a physical file(diff, backup, text)
function page_write($page, $postdata, $notimestamp = FALSE)
{
+ if (PKWK_READONLY) return; // Do nothing
+
$postdata = make_str_rules($postdata);
+ $text_without_author = remove_author_info($postdata);
+ $postdata = add_author_info($text_without_author);
+ $is_delete = empty($text_without_author);
- // º¹Ê¬¥Õ¥¡¥¤¥ë¤ÎºîÀ®
+ // Do nothing when it has no changes
$oldpostdata = is_page($page) ? join('', get_source($page)) : '';
+ $oldtext_without_author = remove_author_info($oldpostdata);
+ if ($text_without_author === $oldtext_without_author) {
+ // Do nothing on updating with unchanged content
+ return;
+ }
+ // Create and write diff
$diffdata = do_diff($oldpostdata, $postdata);
file_write(DIFF_DIR, $page, $diffdata);
- // ¥Ð¥Ã¥¯¥¢¥Ã¥×¤ÎºîÀ®
- make_backup($page, $postdata == ''); // Is $postdata null?
-
- // ¥Õ¥¡¥¤¥ë¤Î½ñ¤¹þ¤ß
- file_write(DATA_DIR, $page, $postdata, $notimestamp);
+ // Create backup
+ make_backup($page, $is_delete, $postdata); // Is $postdata null?
- // TrackBack Ping ¤ÎÁ÷¿®
- // ¡ÖÄɲá׹ԤòÃê½Ð
- $lines = join("\n", preg_replace('/^\+/', '', preg_grep('/^\+/', explode("\n", $diffdata))));
- tb_send($page, $lines);
+ // Create wiki text
+ file_write(DATA_DIR, $page, $postdata, $notimestamp, $is_delete);
links_update($page);
}
-// ¥æ¡¼¥¶ÄêµÁ¥ë¡¼¥ë(¥½¡¼¥¹¤òÃÖ´¹¤¹¤ë)
-function make_str_rules($str)
+// Modify original text with user-defined / system-defined rules
+function make_str_rules($source)
{
global $str_rules, $fixed_heading_anchor;
- $arr = explode("\n", $str);
-
- $retvars = $matches = array();
- foreach ($arr as $str) {
- if ($str != '' && $str{0} != ' ' && $str{0} != "\t") {
- foreach ($str_rules as $rule => $replace)
- $str = preg_replace("/$rule/", $replace, $str);
+ $lines = explode("\n", $source);
+ $count = count($lines);
+
+ $modify = TRUE;
+ $multiline = 0;
+ $matches = array();
+ for ($i = 0; $i < $count; $i++) {
+ $line = & $lines[$i]; // Modify directly
+
+ // Ignore null string and preformatted texts
+ if ($line == '' || $line{0} == ' ' || $line{0} == "\t") continue;
+
+ // Modify this line?
+ if ($modify) {
+ if (! PKWKEXP_DISABLE_MULTILINE_PLUGIN_HACK &&
+ $multiline == 0 &&
+ preg_match('/#[^{]*(\{\{+)\s*$/', $line, $matches)) {
+ // Multiline convert plugin start
+ $modify = FALSE;
+ $multiline = strlen($matches[1]); // Set specific number
+ }
+ } else {
+ if (! PKWKEXP_DISABLE_MULTILINE_PLUGIN_HACK &&
+ $multiline != 0 &&
+ preg_match('/^\}{' . $multiline . '}\s*$/', $line)) {
+ // Multiline convert plugin end
+ $modify = TRUE;
+ $multiline = 0;
+ }
}
+ if ($modify === FALSE) continue;
+
+ // Replace with $str_rules
+ foreach ($str_rules as $pattern => $replacement)
+ $line = preg_replace('/' . $pattern . '/', $replacement, $line);
- // ¸«½Ð¤·¤Ë¸ÇÍID¤òÉÕÍ¿¤¹¤ë
+ // Adding fixed anchor into headings
if ($fixed_heading_anchor &&
- preg_match('/^(\*{1,3}(.(?!\[#[A-Za-z][\w-]+\]))+)$/', $str, $matches))
- {
- // ¸ÇÍID¤òÀ¸À®¤¹¤ë
- // ¥é¥ó¥À¥à¤Ê±Ñ»ú(1ʸ»ú) + md5¥Ï¥Ã¥·¥å¤Î¥é¥ó¥À¥à¤ÊÉôʬʸ»úÎó(7ʸ»ú)
- $anchor = chr(mt_rand(ord('a'), ord('z'))).
- substr(md5(uniqid(substr($matches[1], 0, 100), 1)), mt_rand(0, 24), 7);
- $str = rtrim($matches[1]) . " [#$anchor]";
+ preg_match('/^(\*{1,3}.*?)(?:\[#([A-Za-z][\w-]*)\]\s*)?$/', $line, $matches) &&
+ (! isset($matches[2]) || $matches[2] == '')) {
+ // Generate unique id
+ $anchor = generate_fixed_heading_anchor_id($matches[1]);
+ $line = rtrim($matches[1]) . ' [#' . $anchor . ']';
}
- $retvars[] = $str;
}
- return join("\n", $retvars);
+ // Multiline part has no stopper
+ if (! PKWKEXP_DISABLE_MULTILINE_PLUGIN_HACK &&
+ $modify === FALSE && $multiline != 0)
+ $lines[] = str_repeat('}', $multiline);
+
+ return implode("\n", $lines);
}
-// ¥Õ¥¡¥¤¥ë¤Ø¤Î½ÐÎÏ
-function file_write($dir, $page, $str, $notimestamp = FALSE)
+function add_author_info($wikitext)
{
- global $update_exec;
- global $_msg_invalidiwn;
- global $notify, $notify_diff_only, $notify_to, $notify_subject, $notify_header;
- global $smtp_server, $smtp_auth;
+ global $auth_user, $auth_user_fullname, $auth_type, $ldap_user_account;
+ global $auth_provider_user_prefix_default;
+ global $auth_provider_user_prefix_ldap;
+ global $auth_provider_user_prefix_external;
+ $author = preg_replace('/"/', '', $auth_user);
+ $fullname = $auth_user_fullname;
+ if (!$fullname && $author) {
+ // Fullname is empty, use $author as its fullname
+ $fullname = preg_replace('/^[^:]*:/', '', $author);
+ }
+ $displayname = preg_replace('/"/', '', $fullname);
+ $user_prefix = '';
+ switch ($auth_type) {
+ case AUTH_TYPE_BASIC:
+ $user_prefix = $auth_provider_user_prefix_default;
+ break;
+ case AUTH_TYPE_EXTERNAL:
+ case AUTH_TYPE_EXTERNAL_REMOTE_USER:
+ case AUTH_TYPE_EXTERNAL_X_FORWARDED_USER:
+ $user_prefix = $auth_provider_user_prefix_external;
+ break;
+ case AUTH_TYPE_FORM:
+ if ($ldap_user_account) {
+ $user_prefix = $auth_provider_user_prefix_ldap;
+ } else {
+ $user_prefix = $auth_provider_user_prefix_default;
+ }
+ break;
+ }
+ $author_text = sprintf('#author("%s","%s","%s")',
+ get_date_atom(UTIME + LOCALZONE),
+ ($author ? $user_prefix . $author : ''),
+ $displayname) . "\n";
+ return $author_text . $wikitext;
+}
- if (! is_pagename($page))
- die_message(str_replace('$1', htmlspecialchars($page),
- str_replace('$2', 'WikiName', $_msg_invalidiwn))
- );
+function remove_author_info($wikitext)
+{
+ return preg_replace('/^\s*#author\([^\n]*(\n|$)/m', '', $wikitext);
+}
- $page = strip_bracket($page);
- $timestamp = FALSE;
- $file = $dir . encode($page) . '.txt';
+function get_date_atom($timestamp)
+{
+ // Compatible with DATE_ATOM format
+ // return date(DATE_ATOM, $timestamp);
+ $zmin = abs(LOCALZONE / 60);
+ return date('Y-m-d\TH:i:s', $timestamp) . sprintf('%s%02d:%02d',
+ (LOCALZONE < 0 ? '-' : '+') , $zmin / 60, $zmin % 60);
+}
- if ($dir == DATA_DIR && $str == '' && file_exists($file)) {
- unlink($file);
- put_recentdeleted($page);
+// Generate ID
+function generate_fixed_heading_anchor_id($seed)
+{
+ // A random alphabetic letter + 7 letters of random strings from md()
+ return chr(mt_rand(ord('a'), ord('z'))) .
+ substr(md5(uniqid(substr($seed, 0, 100), TRUE)),
+ mt_rand(0, 24), 7);
+}
+
+// Read top N lines as an array
+// (Use PHP file() function if you want to get ALL lines)
+function file_head($file, $count = 1, $lock = TRUE, $buffer = 8192)
+{
+ $array = array();
+
+ $fp = @fopen($file, 'r');
+ if ($fp === FALSE) return FALSE;
+ set_file_buffer($fp, 0);
+ if ($lock) flock($fp, LOCK_SH);
+ rewind($fp);
+ $index = 0;
+ while (! feof($fp)) {
+ $line = fgets($fp, $buffer);
+ if ($line != FALSE) $array[] = $line;
+ if (++$index >= $count) break;
}
+ if ($lock) flock($fp, LOCK_UN);
+ if (! fclose($fp)) return FALSE;
- if ($str != '') {
- $str = preg_replace("/\r/", '', $str);
- $str = rtrim($str) . "\n";
+ return $array;
+}
- if ($notimestamp && file_exists($file))
- $timestamp = filemtime($file) - LOCALZONE;
+// Output to a file
+function file_write($dir, $page, $str, $notimestamp = FALSE, $is_delete = FALSE)
+{
+ global $_msg_invalidiwn, $notify, $notify_diff_only, $notify_subject;
+ global $whatsdeleted, $maxshow_deleted;
- $fp = fopen($file, 'w') or
- die_message('Cannot write page file or diff file or other ' .
- htmlspecialchars($page) .
- '<br />Maybe permission is not writable or filename is too long');
+ if (PKWK_READONLY) return; // Do nothing
+ if ($dir != DATA_DIR && $dir != DIFF_DIR) die('file_write(): Invalid directory');
- set_file_buffer($fp, 0);
- flock($fp, LOCK_EX);
- rewind($fp);
- fputs($fp, $str);
- flock($fp, LOCK_UN);
- fclose($fp);
- if ($timestamp)
- touch($file, $timestamp + LOCALZONE);
+ $page = strip_bracket($page);
+ $file = $dir . encode($page) . '.txt';
+ $file_exists = file_exists($file);
+
+ // ----
+ // Delete?
+
+ if ($dir == DATA_DIR && $is_delete) {
+ // Page deletion
+ if (! $file_exists) return; // Ignore null posting for DATA_DIR
+
+ // Update RecentDeleted (Add the $page)
+ add_recent($page, $whatsdeleted, '', $maxshow_deleted);
+
+ // Remove the page
+ unlink($file);
+
+ // Update RecentDeleted, and remove the page from RecentChanges
+ lastmodified_add($whatsdeleted, $page);
+
+ // Clear is_page() cache
+ is_page($page, TRUE);
+
+ return;
+
+ } else if ($dir == DIFF_DIR && $str === " \n") {
+ return; // Ignore null posting for DIFF_DIR
}
- // is_page¤Î¥¥ã¥Ã¥·¥å¤ò¥¯¥ê¥¢¤¹¤ë
- is_page($page, TRUE);
+ // ----
+ // File replacement (Edit)
+
+ if (! is_pagename($page))
+ die_message(str_replace('$1', htmlsc($page),
+ str_replace('$2', 'WikiName', $_msg_invalidiwn)));
- if (! $timestamp && $dir == DATA_DIR)
- put_lastmodified();
+ $str = rtrim(preg_replace('/' . "\r" . '/', '', $str)) . "\n";
+ $timestamp = ($file_exists && $notimestamp) ? filemtime($file) : FALSE;
- if ($update_exec && $dir == DATA_DIR)
- system($update_exec . ' > /dev/null &');
+ $fp = fopen($file, 'a') or die('fopen() failed: ' .
+ htmlsc(basename($dir) . '/' . encode($page) . '.txt') .
+ '<br />' . "\n" .
+ 'Maybe permission is not writable or filename is too long');
+ set_file_buffer($fp, 0);
+ flock($fp, LOCK_EX);
+ ftruncate($fp, 0);
+ rewind($fp);
+ fputs($fp, $str);
+ flock($fp, LOCK_UN);
+ fclose($fp);
- if ($notify && $dir == DIFF_DIR) {
- if ($notify_diff_only) // º¹Ê¬¤À¤±¤òÁ÷¿®¤¹¤ë
- $str = preg_replace('/^[^-+].*\n/m', '', $str);
- if ($smtp_auth)
- pop_before_smtp();
- $subject = str_replace('$page', $page, $notify_subject);
- ini_set('SMTP', $smtp_server);
- mb_language(LANG);
- mb_send_mail($notify_to, $subject, $str, $notify_header);
+ if ($timestamp) pkwk_touch_file($file, $timestamp);
+
+ // Optional actions
+ if ($dir == DATA_DIR) {
+ // Update RecentChanges (Add or renew the $page)
+ if ($timestamp === FALSE) lastmodified_add($page);
+
+ // Command execution per update
+ if (defined('PKWK_UPDATE_EXEC') && PKWK_UPDATE_EXEC)
+ system(PKWK_UPDATE_EXEC . ' > /dev/null &');
+
+ } else if ($dir == DIFF_DIR && $notify) {
+ if ($notify_diff_only) $str = preg_replace('/^[^-+].*\n/m', '', $str);
+ $footer['ACTION'] = 'Page update';
+ $footer['PAGE'] = & $page;
+ $footer['URI'] = get_script_uri() . '?' . pagename_urlencode($page);
+ $footer['USER_AGENT'] = TRUE;
+ $footer['REMOTE_ADDR'] = TRUE;
+ pkwk_mail_notify($notify_subject, $str, $footer) or
+ die('pkwk_mail_notify(): Failed');
}
+
+ is_page($page, TRUE); // Clear is_page() cache
}
-// ºï½üÍúÎò¥Ú¡¼¥¸¤Î¹¹¿·
-function put_recentdeleted($page)
+// Update RecentDeleted
+function add_recent($page, $recentpage, $subject = '', $limit = 0)
{
- global $whatsdeleted, $maxshow_deleted;
+ if (PKWK_READONLY || $limit == 0 || $page == '' || $recentpage == '' ||
+ check_non_list($page)) return;
- if ($maxshow_deleted == 0) return;
-
- // Update RecentDeleted
+ // Load
$lines = $matches = array();
- foreach (get_source($whatsdeleted) as $line) {
+ foreach (get_source($recentpage) as $line)
if (preg_match('/^-(.+) - (\[\[.+\]\])$/', $line, $matches))
$lines[$matches[2]] = $line;
- }
- $_page = "[[$page]]";
+ $_page = '[[' . $page . ']]';
+
+ // Remove a report about the same page
if (isset($lines[$_page])) unset($lines[$_page]);
- array_unshift($lines, '-' . format_date(UTIME) . " - $_page\n");
- $lines = array_splice($lines, 0, $maxshow_deleted);
+ // Add
+ array_unshift($lines, '-' . format_date(UTIME) . ' - ' . $_page .
+ htmlsc($subject) . "\n");
+
+ // Get latest $limit reports
+ $lines = array_splice($lines, 0, $limit);
- $fp = fopen(get_filename($whatsdeleted), 'w') or
+ // Update
+ $fp = fopen(get_filename($recentpage), 'w') or
die_message('Cannot write page file ' .
- htmlspecialchars($whatsdeleted) .
+ htmlsc($recentpage) .
'<br />Maybe permission is not writable or filename is too long');
-
set_file_buffer($fp, 0);
flock($fp, LOCK_EX);
rewind($fp);
+ fputs($fp, '#freeze' . "\n");
+ fputs($fp, '#norelated' . "\n"); // :)
fputs($fp, join('', $lines));
- fputs($fp, "#norelated\n"); // :)
flock($fp, LOCK_UN);
fclose($fp);
}
-// ºÇ½ª¹¹¿·¥Ú¡¼¥¸¤Î¹¹¿·
+// Update PKWK_MAXSHOW_CACHE itself (Add or renew about the $page) (Light)
+// Use without $autolink
+function lastmodified_add($update = '', $remove = '')
+{
+ global $maxshow, $whatsnew, $autolink;
+
+ // AutoLink implimentation needs everything, for now
+ if ($autolink) {
+ put_lastmodified(); // Try to (re)create ALL
+ return;
+ }
+
+ if (($update == '' || check_non_list($update)) && $remove == '')
+ return; // No need
+
+ $file = CACHE_DIR . PKWK_MAXSHOW_CACHE;
+ if (! file_exists($file)) {
+ put_lastmodified(); // Try to (re)create ALL
+ return;
+ }
+
+ // Open
+ pkwk_touch_file($file);
+ $fp = fopen($file, 'r+') or
+ die_message('Cannot open ' . 'CACHE_DIR/' . PKWK_MAXSHOW_CACHE);
+ set_file_buffer($fp, 0);
+ flock($fp, LOCK_EX);
+
+ // Read (keep the order of the lines)
+ $recent_pages = $matches = array();
+ foreach(file_head($file, $maxshow + PKWK_MAXSHOW_ALLOWANCE, FALSE) as $line)
+ if (preg_match('/^([0-9]+)\t(.+)/', $line, $matches))
+ $recent_pages[$matches[2]] = $matches[1];
+
+ // Remove if it exists inside
+ if (isset($recent_pages[$update])) unset($recent_pages[$update]);
+ if (isset($recent_pages[$remove])) unset($recent_pages[$remove]);
+
+ // Add to the top: like array_unshift()
+ if ($update != '')
+ $recent_pages = array($update => get_filetime($update)) + $recent_pages;
+
+ // Check
+ $abort = count($recent_pages) < $maxshow;
+
+ if (! $abort) {
+ // Write
+ ftruncate($fp, 0);
+ rewind($fp);
+ foreach ($recent_pages as $_page=>$time)
+ fputs($fp, $time . "\t" . $_page . "\n");
+ }
+
+ flock($fp, LOCK_UN);
+ fclose($fp);
+
+ if ($abort) {
+ put_lastmodified(); // Try to (re)create ALL
+ return;
+ }
+
+
+
+ // ----
+ // Update the page 'RecentChanges'
+
+ $recent_pages = array_splice($recent_pages, 0, $maxshow);
+ $file = get_filename($whatsnew);
+
+ // Open
+ pkwk_touch_file($file);
+ $fp = fopen($file, 'r+') or
+ die_message('Cannot open ' . htmlsc($whatsnew));
+ set_file_buffer($fp, 0);
+ flock($fp, LOCK_EX);
+
+ // Recreate
+ ftruncate($fp, 0);
+ rewind($fp);
+ foreach ($recent_pages as $_page=>$time)
+ fputs($fp, '-' . htmlsc(format_date($time)) .
+ ' - ' . '[[' . htmlsc($_page) . ']]' . "\n");
+ fputs($fp, '#norelated' . "\n"); // :)
+
+ flock($fp, LOCK_UN);
+ fclose($fp);
+}
+
+// Re-create PKWK_MAXSHOW_CACHE (Heavy)
function put_lastmodified()
{
- global $maxshow, $whatsnew, $non_list, $autolink;
+ global $maxshow, $whatsnew, $autolink;
+
+ if (PKWK_READONLY) return; // Do nothing
+ // Get WHOLE page list
$pages = get_existpages();
+
+ // Check ALL filetime
$recent_pages = array();
- foreach($pages as $page) {
- if ($page != $whatsnew && ! preg_match("/$non_list/", $page))
+ foreach($pages as $page)
+ if ($page !== $whatsnew && ! check_non_list($page))
$recent_pages[$page] = get_filetime($page);
- }
- //»þ¹ï¹ß½ç¤Ç¥½¡¼¥È
+ // Sort decending order of last-modification date
arsort($recent_pages, SORT_NUMERIC);
- // create recent.dat (for recent.inc.php)
- $fp = fopen(CACHE_DIR . 'recent.dat', 'w') or
- die_message('Cannot write cache file ' .
- CACHE_DIR . 'recent.dat' .
- '<br />Maybe permission is not writable or filename is too long');
+ // Cut unused lines
+ // BugTrack2/179: array_splice() will break integer keys in hashtable
+ $count = $maxshow + PKWK_MAXSHOW_ALLOWANCE;
+ $_recent = array();
+ foreach($recent_pages as $key=>$value) {
+ unset($recent_pages[$key]);
+ $_recent[$key] = $value;
+ if (--$count < 1) break;
+ }
+ $recent_pages = & $_recent;
+ // Re-create PKWK_MAXSHOW_CACHE
+ $file = CACHE_DIR . PKWK_MAXSHOW_CACHE;
+ pkwk_touch_file($file);
+ $fp = fopen($file, 'r+') or
+ die_message('Cannot open' . 'CACHE_DIR/' . PKWK_MAXSHOW_CACHE);
set_file_buffer($fp, 0);
flock($fp, LOCK_EX);
+ ftruncate($fp, 0);
rewind($fp);
foreach ($recent_pages as $page=>$time)
- fputs($fp, "$time\t$page\n");
+ fputs($fp, $time . "\t" . $page . "\n");
flock($fp, LOCK_UN);
fclose($fp);
- // create RecentChanges
- $fp = fopen(get_filename($whatsnew), 'w') or
- die_message('Cannot write page file ' .
- htmlspecialchars($whatsnew) .
- '<br />Maybe permission is not writable or filename is too long');
-
+ // Create RecentChanges
+ $file = get_filename($whatsnew);
+ pkwk_touch_file($file);
+ $fp = fopen($file, 'r+') or
+ die_message('Cannot open ' . htmlsc($whatsnew));
set_file_buffer($fp, 0);
flock($fp, LOCK_EX);
+ ftruncate($fp, 0);
rewind($fp);
- foreach (array_splice(array_keys($recent_pages), 0, $maxshow) as $page) {
+ foreach (array_keys($recent_pages) as $page) {
$time = $recent_pages[$page];
- $s_lastmod = htmlspecialchars(format_date($time));
- $s_page = htmlspecialchars($page);
- fputs($fp, "-$s_lastmod - [[$s_page]]\n");
+ $s_lastmod = htmlsc(format_date($time));
+ $s_page = htmlsc($page);
+ fputs($fp, '-' . $s_lastmod . ' - [[' . $s_page . ']]' . "\n");
}
- fputs($fp, "#norelated\n"); // :)
+ fputs($fp, '#norelated' . "\n"); // :)
flock($fp, LOCK_UN);
fclose($fp);
- // for autolink
+ // For AutoLink
if ($autolink) {
list($pattern, $pattern_a, $forceignorelist) =
get_autolink_pattern($pages);
- $fp = fopen(CACHE_DIR . 'autolink.dat', 'w') or
- die_message('Cannot write autolink file ' .
- CACHE_DIR . '/autolink.dat' .
- '<br />Maybe permission is not writable');
+ $file = CACHE_DIR . PKWK_AUTOLINK_REGEX_CACHE;
+ pkwk_touch_file($file);
+ $fp = fopen($file, 'r+') or
+ die_message('Cannot open ' . 'CACHE_DIR/' . PKWK_AUTOLINK_REGEX_CACHE);
set_file_buffer($fp, 0);
flock($fp, LOCK_EX);
+ ftruncate($fp, 0);
rewind($fp);
fputs($fp, $pattern . "\n");
fputs($fp, $pattern_a . "\n");
}
}
-// »ØÄꤵ¤ì¤¿¥Ú¡¼¥¸¤Î·Ð²á»þ¹ï
+// Get elapsed date of the page
function get_pg_passage($page, $sw = TRUE)
{
global $show_passage;
$time = get_filetime($page);
$pg_passage = ($time != 0) ? get_passage($time) : '';
- return $sw ? "<small>$pg_passage</small>" : " $pg_passage";
+ return $sw ? '<small>' . $pg_passage . '</small>' : ' ' . $pg_passage;
}
-// Last-Modified ¥Ø¥Ã¥À
+// Last-Modified header
function header_lastmod($page = NULL)
{
global $lastmod;
- if ($lastmod && is_page($page))
+ if ($lastmod && is_page($page)) {
+ pkwk_headers_sent();
header('Last-Modified: ' .
date('D, d M Y H:i:s', get_filetime($page)) . ' GMT');
+ }
}
-// Á´¥Ú¡¼¥¸Ì¾¤òÇÛÎó¤Ë
-function get_existpages($dir = DATA_DIR, $ext = '.txt')
+// Get a list of encoded files (must specify a directory and a suffix)
+function get_existfiles($dir = DATA_DIR, $ext = '.txt')
{
$aryret = array();
+ $pattern = '/^(?:[0-9A-F]{2})+' . preg_quote($ext, '/') . '$/';
+
+ $dp = @opendir($dir) or die_message($dir . ' is not found or not readable.');
+ while (($file = readdir($dp)) !== FALSE) {
+ if (preg_match($pattern, $file)) {
+ $aryret[] = $dir . $file;
+ }
+ }
+ closedir($dp);
- $pattern = '^((?:[0-9A-F]{2})+)';
- if ($ext != '')
- $pattern .= preg_quote($ext, '/') . '$';
+ return $aryret;
+}
- $dp = @opendir($dir) or
- die_message($dir . ' is not found or not readable.');
+// Get a page list of this wiki
+function get_existpages($dir = DATA_DIR, $ext = '.txt')
+{
+ $aryret = array();
+ $pattern = '/^((?:[0-9A-F]{2})+)' . preg_quote($ext, '/') . '$/';
+
+ $dp = @opendir($dir) or die_message($dir . ' is not found or not readable.');
$matches = array();
- while ($file = readdir($dp)) {
- if (preg_match("/$pattern/", $file, $matches))
+ while (($file = readdir($dp)) !== FALSE) {
+ if (preg_match($pattern, $file, $matches)) {
$aryret[$file] = decode($matches[1]);
+ }
}
closedir($dp);
return $aryret;
}
-// ¥Ú¡¼¥¸Ì¾¤ÎÆɤߤòÇÛÎó¤Ë
+// Get PageReading(pronounce-annotated) data in an array()
function get_readings()
{
global $pagereading_enable, $pagereading_kanji2kana_converter;
$line = chop($line);
if(preg_match('/^-\[\[([^]]+)\]\]\s+(.+)$/', $line, $matches)) {
if(isset($readings[$matches[1]])) {
- // Æɤߤ¬ÉÔÌÀ¤Î¥Ú¡¼¥¸
+ // This page is not clear how to be pronounced
$readings[$matches[1]] = $matches[2];
} else {
- // ºï½ü¤µ¤ì¤¿¥Ú¡¼¥¸
+ // This page seems deleted
$deletedPage = TRUE;
}
}
}
- // ChaSen/KAKASI ¸Æ¤Ó½Ð¤·¤¬Í¸ú¤ËÀßÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç
+ // If enabled ChaSen/KAKASI execution
if($pagereading_enable) {
- // Æɤߤ¬ÉÔÌÀ¤Î¥Ú¡¼¥¸¤¬¤¢¤ë¤«¥Á¥§¥Ã¥¯
+ // Check there's non-clear-pronouncing page
$unknownPage = FALSE;
foreach ($readings as $page => $reading) {
if($reading == '') {
}
}
- // Æɤߤ¬ÉÔÌÀ¤Î¥Ú¡¼¥¸¤¬¤¢¤ë¾ì¹ç¡¢ChaSen/KAKASI ¤ò¼Â¹Ô
+ // Execute ChaSen/KAKASI, and get annotation
if($unknownPage) {
switch(strtolower($pagereading_kanji2kana_converter)) {
case 'chasen':
if(! file_exists($pagereading_chasen_path))
- die_message("ChaSen not found: $pagereading_chasen_path");
+ die_message('ChaSen not found: ' . $pagereading_chasen_path);
- $tmpfname = tempnam(CACHE_DIR, 'PageReading');
- $fp = fopen($tmpfname, "w") or
- die_message("Cannot write temporary file '$tmpfname'.\n");
+ $tmpfname = tempnam(realpath(CACHE_DIR), 'PageReading');
+ $fp = fopen($tmpfname, 'w') or
+ die_message('Cannot write temporary file "' . $tmpfname . '".' . "\n");
foreach ($readings as $page => $reading) {
if($reading != '') continue;
- fputs($fp, mb_convert_encoding("$page\n",
+ fputs($fp, mb_convert_encoding($page . "\n",
$pagereading_kanji2kana_encoding, SOURCE_ENCODING));
}
fclose($fp);
$fp = popen($chasen, 'r');
if($fp === FALSE) {
unlink($tmpfname);
- die_message("ChaSen execution failed: $chasen");
+ die_message('ChaSen execution failed: ' . $chasen);
}
foreach ($readings as $page => $reading) {
if($reading != '') continue;
pclose($fp);
unlink($tmpfname) or
- die_message("Temporary file can not be removed: $tmpfname");
+ die_message('Temporary file can not be removed: ' . $tmpfname);
break;
- case 'kakasi':
+ case 'kakasi': /*FALLTHROUGH*/
case 'kakashi':
if(! file_exists($pagereading_kakasi_path))
- die_message("KAKASI not found: $pagereading_kakasi_path");
+ die_message('KAKASI not found: ' . $pagereading_kakasi_path);
- $tmpfname = tempnam(CACHE_DIR, 'PageReading');
+ $tmpfname = tempnam(realpath(CACHE_DIR), 'PageReading');
$fp = fopen($tmpfname, 'w') or
- die_message("Cannot write temporary file '$tmpfname'.\n");
+ die_message('Cannot write temporary file "' . $tmpfname . '".' . "\n");
foreach ($readings as $page => $reading) {
if($reading != '') continue;
- fputs($fp, mb_convert_encoding("$page\n",
+ fputs($fp, mb_convert_encoding($page . "\n",
$pagereading_kanji2kana_encoding, SOURCE_ENCODING));
}
fclose($fp);
$fp = popen($kakasi, 'r');
if($fp === FALSE) {
unlink($tmpfname);
- die_message("KAKASI execution failed: $kakasi");
+ die_message('KAKASI execution failed: ' . $kakasi);
}
foreach ($readings as $page => $reading) {
pclose($fp);
unlink($tmpfname) or
- die_message("Temporary file can not be removed: $tmpfname");
+ die_message('Temporary file can not be removed: ' . $tmpfname);
break;
case 'none':
$readings[$page] = $page;
foreach ($patterns as $no => $pattern)
$readings[$page] = mb_convert_kana(mb_ereg_replace($pattern,
- $replacements[$no], $readings[$page]), "aKCV");
+ $replacements[$no], $readings[$page]), 'aKCV');
}
break;
default:
- die_message("Unknown kanji-kana converter: $pagereading_kanji2kana_converter.");
+ die_message('Unknown kanji-kana converter: ' . $pagereading_kanji2kana_converter . '.');
break;
}
}
if($unknownPage || $deletedPage) {
- asort($readings); // Æɤߤǥ½¡¼¥È
+ asort($readings, SORT_STRING); // Sort by pronouncing(alphabetical/reading) order
$body = '';
foreach ($readings as $page => $reading)
- $body .= "-[[$page]] $reading\n";
+ $body .= '-[[' . $page . ']] ' . $reading . "\n";
- // ¥Ú¡¼¥¸¤ò½ñ¤¹þ¤ß
page_write($pagereading_config_page, $body);
}
}
- // ÆɤßÉÔÌÀ¤Î¥Ú¡¼¥¸¤Ï¡¢¤½¤Î¤Þ¤Þ¥Ú¡¼¥¸Ì¾¤òÊÖ¤¹ (ChaSen/KAKASI ¸Æ
- // ¤Ó½Ð¤·¤¬Ìµ¸ú¤ËÀßÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç¤ä¡¢ChaSen/KAKASI ¸Æ¤Ó½Ð¤·¤Ë
- // ¼ºÇÔ¤·¤¿»þ¤Î°Ù)
+ // Pages that are not prounouncing-clear, return pagenames of themselves
foreach ($pages as $page) {
if($readings[$page] == '')
$readings[$page] = $page;
return $readings;
}
-//¥Õ¥¡¥¤¥ë̾¤Î°ìÍ÷¤òÇÛÎó¤Ë(¥¨¥ó¥³¡¼¥ÉºÑ¤ß¡¢³ÈÄ¥»Ò¤ò»ØÄê)
-function get_existfiles($dir, $ext)
-{
- $aryret = array();
-
- $pattern = '^(?:[0-9A-F]{2})+' . preg_quote($ext, '/') . '$';
- $dp = @opendir($dir) or
- die_message($dir . ' is not found or not readable.');
- while ($file = readdir($dp)) {
- if (preg_match("/$pattern/", $file))
- $aryret[] = $dir . $file;
- }
- closedir($dp);
- return $aryret;
-}
-
-//¤¢¤ë¥Ú¡¼¥¸¤Î´ØÏ¢¥Ú¡¼¥¸¤òÆÀ¤ë
+// Get a list of related pages of the page
function links_get_related($page)
{
global $vars, $related;
if (isset($links[$page])) return $links[$page];
- // ²Äǽ¤Ê¤émake_link()¤ÇÀ¸À®¤·¤¿´ØÏ¢¥Ú¡¼¥¸¤ò¼è¤ê¹þ¤à
- $links[$page] = ($page == $vars['page']) ? $related : array();
+ // If possible, merge related pages generated by make_link()
+ $links[$page] = ($page === $vars['page']) ? $related : array();
- // ¥Ç¡¼¥¿¥Ù¡¼¥¹¤«¤é´ØÏ¢¥Ú¡¼¥¸¤òÆÀ¤ë
+ // Get repated pages from DB
$links[$page] += links_get_related_db($vars['page']);
return $links[$page];
}
-?>
+
+// _If needed_, re-create the file to change/correct ownership into PHP's
+// NOTE: Not works for Windows
+function pkwk_chown($filename, $preserve_time = TRUE)
+{
+ static $php_uid; // PHP's UID
+
+ if (! isset($php_uid)) {
+ if (extension_loaded('posix')) {
+ $php_uid = posix_getuid(); // Unix
+ } else {
+ $php_uid = 0; // Windows
+ }
+ }
+
+ // Lock for pkwk_chown()
+ $lockfile = CACHE_DIR . 'pkwk_chown.lock';
+ $flock = fopen($lockfile, 'a') or
+ die('pkwk_chown(): fopen() failed for: CACHEDIR/' .
+ basename(htmlsc($lockfile)));
+ flock($flock, LOCK_EX) or die('pkwk_chown(): flock() failed for lock');
+
+ // Check owner
+ $stat = stat($filename) or
+ die('pkwk_chown(): stat() failed for: ' . basename(htmlsc($filename)));
+ if ($stat[4] === $php_uid) {
+ // NOTE: Windows always here
+ $result = TRUE; // Seems the same UID. Nothing to do
+ } else {
+ $tmp = $filename . '.' . getmypid() . '.tmp';
+
+ // Lock source $filename to avoid file corruption
+ // NOTE: Not 'r+'. Don't check write permission here
+ $ffile = fopen($filename, 'r') or
+ die('pkwk_chown(): fopen() failed for: ' .
+ basename(htmlsc($filename)));
+
+ // Try to chown by re-creating files
+ // NOTE:
+ // * touch() before copy() is for 'rw-r--r--' instead of 'rwxr-xr-x' (with umask 022).
+ // * (PHP 4 < PHP 4.2.0) touch() with the third argument is not implemented and retuns NULL and Warn.
+ // * @unlink() before rename() is for Windows but here's for Unix only
+ flock($ffile, LOCK_EX) or die('pkwk_chown(): flock() failed');
+ $result = touch($tmp) && copy($filename, $tmp) &&
+ ($preserve_time ? (touch($tmp, $stat[9], $stat[8]) || touch($tmp, $stat[9])) : TRUE) &&
+ rename($tmp, $filename);
+ flock($ffile, LOCK_UN) or die('pkwk_chown(): flock() failed');
+
+ fclose($ffile) or die('pkwk_chown(): fclose() failed');
+
+ if ($result === FALSE) @unlink($tmp);
+ }
+
+ // Unlock for pkwk_chown()
+ flock($flock, LOCK_UN) or die('pkwk_chown(): flock() failed for lock');
+ fclose($flock) or die('pkwk_chown(): fclose() failed for lock');
+
+ return $result;
+}
+
+// touch() with trying pkwk_chown()
+function pkwk_touch_file($filename, $time = FALSE, $atime = FALSE)
+{
+ // Is the owner incorrected and unable to correct?
+ if (! file_exists($filename) || pkwk_chown($filename)) {
+ if ($time === FALSE) {
+ $result = touch($filename);
+ } else if ($atime === FALSE) {
+ $result = touch($filename, $time);
+ } else {
+ $result = touch($filename, $time, $atime);
+ }
+ return $result;
+ } else {
+ die('pkwk_touch_file(): Invalid UID and (not writable for the directory or not a flie): ' .
+ htmlsc(basename($filename)));
+ }
+}
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