<?php
// PukiWiki - Yet another WikiWikiWeb clone.
-// $Id: file.php,v 1.40 2005/10/04 13:41:03 henoheno Exp $
-// Copyright (C)
-// 2002-2005 PukiWiki Developers Team
+// file.php
+// Copyright
+// 2002-2021 PukiWiki Development Team
// 2001-2002 Originally written by yu-ji
// License: GPL v2 or (at your option) any later version
//
// File related functions
-// Get source(wiki text) data of the page
-function get_source($page = NULL, $lock = TRUE)
+// RecentChanges
+define('PKWK_MAXSHOW_ALLOWANCE', 10);
+define('PKWK_MAXSHOW_CACHE', 'recent.dat');
+
+// AutoLink
+define('PKWK_AUTOLINK_REGEX_CACHE', 'autolink.dat');
+
+// AutoAlias
+define('PKWK_AUTOALIAS_REGEX_CACHE', 'autoalias.dat');
+
+/**
+ * Get source(wiki text) data of the page
+ *
+ * @param $page page name
+ * @param $lock lock
+ * @param $join true: return string, false: return array of string
+ * @param $raw true: return file content as-is
+ * @return FALSE if error occurerd
+ */
+function get_source($page = NULL, $lock = TRUE, $join = FALSE, $raw = FALSE)
{
- $array = array();
+ //$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 $line) {} not to warns
- if (is_page($page)) {
- $path = get_filename($page);
+ $path = get_filename($page);
+ if (file_exists($path)) {
if ($lock) {
$fp = @fopen($path, 'r');
- if ($fp == FALSE) return $array;
+ if ($fp === FALSE) return FALSE;
flock($fp, LOCK_SH);
}
- // Removing line-feeds: Because file() doesn't remove them.
- $array = str_replace("\r", '', file($path));
+ 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) {
+ if ($raw) {
+ return $result;
+ }
+ // Removing Carriage-Return
+ $result = str_replace("\r", '', $result);
+ }
+ }
+ } else {
+ // Returns an array
+ $result = file($path);
+ if ($result !== FALSE) {
+ // Removing Carriage-Return
+ $result = str_replace("\r", '', $result);
+ }
+ }
if ($lock) {
flock($fp, LOCK_UN);
}
}
- return $array;
+ return $result;
}
// Get last-modified filetime of the page
return is_page($page) ? filemtime(get_filename($page)) - LOCALZONE : 0;
}
+/**
+ * Get last-modified filemtime (plain value) of the page.
+ *
+ * @param $page
+ */
+function get_page_date_atom($page)
+{
+ if (is_page($page)) {
+ return get_date_atom(filemtime(get_filename($page)));
+ }
+ return null;
+}
+
// Get physical file name of the page
function get_filename($page)
{
// Put a data(wiki text) into a physical file(diff, backup, text)
function page_write($page, $postdata, $notimestamp = FALSE)
{
- global $trackback;
+ global $autoalias, $aliaspage;
if (PKWK_READONLY) return; // Do nothing
$postdata = make_str_rules($postdata);
+ $timestamp_to_keep = null;
+ if ($notimestamp) {
+ $timestamp_to_keep = get_filetime($page);
+ }
+ $text_without_author = remove_author_info($postdata);
+ $postdata = add_author_info($text_without_author, $timestamp_to_keep);
+ $is_delete = empty($text_without_author);
- // Create and write diff
+ // Do nothing when it has no changes
$oldpostdata = is_page($page) ? join('', get_source($page)) : '';
+ $oldtext_without_author = remove_author_info($oldpostdata);
+ if (!$is_delete && $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, $diffdata);
// Create backup
- make_backup($page, $postdata == ''); // Is $postdata null?
+ make_backup($page, $is_delete, $postdata); // Is $postdata null?
// Create wiki text
- file_write(DATA_DIR, $page, $postdata, $notimestamp);
-
- if ($trackback) {
- // TrackBack Ping
- $_diff = explode("\n", $diffdata);
- $plus = join("\n", preg_replace('/^\+/', '', preg_grep('/^\+/', $_diff)));
- $minus = join("\n", preg_replace('/^-/', '', preg_grep('/^-/', $_diff)));
- tb_send($page, $plus, $minus);
- }
+ file_write(DATA_DIR, $page, $postdata, $notimestamp, $is_delete);
links_update($page);
+
+ // Update autoalias.dat (AutoAliasName)
+ if ($autoalias && $page === $aliaspage) {
+ update_autoalias_cache_file();
+ }
}
-// Modify ogirinal text with user-defined / system-defined rules
+// Modify original text with user-defined / system-defined rules
function make_str_rules($source)
{
global $str_rules, $fixed_heading_anchor;
$line = & $lines[$i]; // Modify directly
// Ignore null string and preformatted texts
- if ($line == '' || $line{0} == ' ' || $line{0} == "\t") continue;
+ if ($line == '' || $line[0] == ' ' || $line[0] == "\t") continue;
// Modify this line?
if ($modify) {
return implode("\n", $lines);
}
+/**
+ * Add author plugin text for wiki text body
+ *
+ * @param string $wikitext
+ * @param integer $timestamp_to_keep Set null when not to keep timestamp
+ */
+function add_author_info($wikitext, $timestamp_to_keep)
+{
+ global $auth_user, $auth_user_fullname;
+ $author = preg_replace('/"/', '', $auth_user);
+ $fullname = $auth_user_fullname;
+ if (!$fullname && $author) {
+ // Fullname is empty, use $author as its fullname
+ $fullname = preg_replace('/^[^:]*:/', '', $author);
+ }
+ $datetime_to_keep = '';
+ if (!is_null($timestamp_to_keep)) {
+ $datetime_to_keep .= ';' . get_date_atom($timestamp_to_keep + LOCALZONE);
+ }
+ $displayname = preg_replace('/"/', '', $fullname);
+ $user_prefix = get_auth_user_prefix();
+ $author_text = sprintf('#author("%s","%s","%s")',
+ get_date_atom(UTIME + LOCALZONE) . $datetime_to_keep,
+ ($author ? $user_prefix . $author : ''),
+ $displayname) . "\n";
+ return $author_text . $wikitext;
+}
+
+function remove_author_info($wikitext)
+{
+ return preg_replace('/^\s*#author\([^\n]*(\n|$)/m', '', $wikitext);
+}
+
+/**
+ * Remove author line from wikitext
+ */
+function remove_author_header($wikitext)
+{
+ $start = 0;
+ while (($pos = strpos($wikitext, "\n", $start)) != false) {
+ $line = substr($wikitext, $start, $pos);
+ $m = null;
+ if (preg_match('/^#author\(/', $line, $m)) {
+ // fond #author line, Remove this line only
+ if ($start === 0) {
+ return substr($wikitext, $pos + 1);
+ } else {
+ return substr($wikitext, 0, $start - 1) .
+ substr($wikitext, $pos + 1);
+ }
+ } else if (preg_match('/^#freeze(\W|$)/', $line, $m)) {
+ // Found #freeze still in header
+ } else {
+ // other line, #author not found
+ return $wikitext;
+ }
+ $start = $pos + 1;
+ }
+ return $wikitext;
+}
+
+/**
+ * Get author info from wikitext
+ */
+function get_author_info($wikitext)
+{
+ $start = 0;
+ while (($pos = strpos($wikitext, "\n", $start)) != false) {
+ $line = substr($wikitext, $start, $pos);
+ $m = null;
+ if (preg_match('/^#author\(/', $line, $m)) {
+ return $line;
+ } else if (preg_match('/^#freeze(\W|$)/', $line, $m)) {
+ // Found #freeze still in header
+ } else {
+ // other line, #author not found
+ return null;
+ }
+ $start = $pos + 1;
+ }
+ return null;
+}
+
+/**
+ * Get updated datetime from author
+ */
+function get_update_datetime_from_author($author_line) {
+ $m = null;
+ if (preg_match('/^#author\(\"([^\";]+)(?:;([^\";]+))?/', $author_line, $m)) {
+ if ($m[2]) {
+ return $m[2];
+ } else if ($m[1]) {
+ return $m[1];
+ }
+ }
+ return null;
+}
+
// Generate ID
function generate_fixed_heading_anchor_id($seed)
{
- // A random alphabetic letter + 7 letters of random strings from md()
+ // A random alphabetic letter + 7 letters of random strings from md5()
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;
+
+ return $array;
+}
+
// Output to a file
-function file_write($dir, $page, $str, $notimestamp = FALSE)
+function file_write($dir, $page, $str, $notimestamp = FALSE, $is_delete = FALSE)
{
- global $update_exec, $_msg_invalidiwn, $notify, $notify_diff_only, $notify_subject;
+ global $_msg_invalidiwn, $notify, $notify_diff_only, $notify_subject;
global $whatsdeleted, $maxshow_deleted;
if (PKWK_READONLY) return; // Do nothing
+ if ($dir != DATA_DIR && $dir != DIFF_DIR) die('file_write(): Invalid directory');
- if (! is_pagename($page))
- die_message(str_replace('$1', htmlspecialchars($page),
- str_replace('$2', 'WikiName', $_msg_invalidiwn)));
-
- $page = strip_bracket($page);
- $file = $dir . encode($page) . '.txt';
- $timestamp = FALSE;
+ $page = strip_bracket($page);
+ $file = $dir . encode($page) . '.txt';
+ $file_exists = file_exists($file);
- if ($str === '') {
- if ($dir == DATA_DIR && file_exists($file)) {
- // File deletion
- unlink($file);
- add_recent($page, $whatsdeleted, '', $maxshow_deleted); // RecentDeleted
- }
- } else {
- // File replacement (Edit)
- $str = rtrim(preg_replace('/' . "\r" . '/', '', $str)) . "\n";
+ // ----
+ // Delete?
- if ($notimestamp && file_exists($file))
- $timestamp = filemtime($file) - LOCALZONE;
+ if ($dir == DATA_DIR && $is_delete) {
+ // Page deletion
+ if (! $file_exists) return; // Ignore null posting for DATA_DIR
- $fp = fopen($file, 'a') or die('fopen() failed: ' .
- htmlspecialchars(basename($dir) . '/' . encode($page) . '.txt') .
- '<br />' . "\n" .
- 'Maybe permission is not writable or filename is too long');
- set_file_buffer($fp, 0);
+ // Update RecentDeleted (Add the $page)
+ add_recent($page, $whatsdeleted, '', $maxshow_deleted);
- flock($fp, LOCK_EX);
+ // Remove the page
+ unlink($file);
- // Write
- ftruncate($fp, 0);
- rewind($fp);
- fputs($fp, $str);
+ // Update RecentDeleted, and remove the page from RecentChanges
+ lastmodified_add($whatsdeleted, $page);
- flock($fp, LOCK_UN);
+ // Clear is_page() cache
+ is_page($page, TRUE);
- fclose($fp);
+ return;
- if ($timestamp) pkwk_touch_file($file, $timestamp + LOCALZONE);
+ } else if ($dir == DIFF_DIR && $str === " \n") {
+ return; // Ignore null posting for DIFF_DIR
}
- // Clear is_page() cache
- is_page($page, TRUE);
+ // ----
+ // File replacement (Edit)
- if (! $timestamp && $dir == DATA_DIR)
- put_lastmodified();
+ if (! is_pagename($page))
+ die_message(str_replace('$1', htmlsc($page),
+ str_replace('$2', 'WikiName', $_msg_invalidiwn)));
- // Execute $update_exec here
- if ($update_exec && $dir == DATA_DIR)
- system($update_exec . ' > /dev/null &');
+ $str = rtrim(preg_replace('/' . "\r" . '/', '', $str)) . "\n";
+ $timestamp = ($file_exists && $notimestamp) ? filemtime($file) : FALSE;
- if ($notify && $dir == DIFF_DIR) {
- if ($notify_diff_only) $str = preg_replace('/^[^-+].*\n/m', '', $str);
+ $fp = fopen($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($fp);
+
+ if ($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;
- $footer['URI'] = get_script_uri() . '?' . rawurlencode($page);
+ $footer['PAGE'] = $page;
+ $footer['URI'] = get_page_uri($page, PKWK_URI_ABSOLUTE);
$footer['USER_AGENT'] = TRUE;
$footer['REMOTE_ADDR'] = TRUE;
-
pkwk_mail_notify($notify_subject, $str, $footer) or
die('pkwk_mail_notify(): Failed');
}
+ if ($dir === DIFF_DIR) {
+ pkwk_log_updates($page, $str);
+ }
+ is_page($page, TRUE); // Clear is_page() cache
}
// Update RecentDeleted
function add_recent($page, $recentpage, $subject = '', $limit = 0)
{
- if (PKWK_READONLY || $limit == 0 || $page == '' || $recentpage == '') return;
+ if (PKWK_READONLY || $limit == 0 || $page == '' || $recentpage == '' ||
+ check_non_list($page)) return;
// Load
$lines = $matches = array();
// Add
array_unshift($lines, '-' . format_date(UTIME) . ' - ' . $_page .
- htmlspecialchars($subject) . "\n");
+ htmlsc($subject) . "\n");
// Get latest $limit reports
$lines = array_splice($lines, 0, $limit);
// Update
$fp = fopen(get_filename($recentpage), 'w') or
die_message('Cannot write page file ' .
- htmlspecialchars($recentpage) .
+ htmlsc($recentpage) .
'<br />Maybe permission is not writable or filename is too long');
set_file_buffer($fp, 0);
flock($fp, LOCK_EX);
fclose($fp);
}
-// Update RecentChanges
+// 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();
- $non_list_pattern = '/' . $non_list . '/';
foreach($pages as $page)
- if ($page != $whatsnew && ! preg_match($non_list_pattern, $page))
+ if ($page !== $whatsnew && ! check_non_list($page))
$recent_pages[$page] = get_filetime($page);
// Sort decending order of last-modification date
arsort($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" . $page . "\n");
fclose($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');
-
+ $file = get_filename($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);
-
- // BugTrack2/106: Only variables can be passed by reference from PHP 5.0.5
- $tmp_array = array_keys($recent_pages); // with array_splice()
-
- foreach (array_splice($tmp_array, 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);
+ $s_lastmod = htmlsc(format_date($time));
+ $s_page = htmlsc($page);
fputs($fp, '-' . $s_lastmod . ' - [[' . $s_page . ']]' . "\n");
}
fputs($fp, '#norelated' . "\n"); // :)
// For AutoLink
if ($autolink) {
- list($pattern, $pattern_a, $forceignorelist) =
- get_autolink_pattern($pages);
-
- $fp = fopen(CACHE_DIR . 'autolink.dat', 'w') or
- die_message('Cannot write autolink file ' .
- CACHE_DIR . '/autolink.dat' .
- '<br />Maybe permission is not writable');
- set_file_buffer($fp, 0);
- flock($fp, LOCK_EX);
- rewind($fp);
- fputs($fp, $pattern . "\n");
- fputs($fp, $pattern_a . "\n");
- fputs($fp, join("\t", $forceignorelist) . "\n");
- flock($fp, LOCK_UN);
- fclose($fp);
+ autolink_pattern_write(CACHE_DIR . PKWK_AUTOLINK_REGEX_CACHE,
+ get_autolink_pattern($pages, $autolink));
}
}
-// Get elapsed date of the pate
+/**
+ * Get recent files
+ *
+ * @return Array of (file => time)
+ */
+function get_recent_files()
+{
+ $recentfile = CACHE_DIR . PKWK_MAXSHOW_CACHE;
+ $lines = file($recentfile);
+ if (!$lines) return array();
+ $files = array();
+ foreach ($lines as $line) {
+ list ($time, $file) = explode("\t", rtrim($line));
+ $files[$file] = $time;
+ }
+ return $files;
+}
+
+/**
+ * Update RecentChanges page / Invalidate recent.dat
+ */
+function delete_recent_changes_cache() {
+ $file = CACHE_DIR . PKWK_MAXSHOW_CACHE;
+ unlink($file);
+}
+
+// update autolink data
+function autolink_pattern_write($filename, $autolink_pattern)
+{
+ list($pattern, $pattern_a, $forceignorelist) = $autolink_pattern;
+
+ $fp = fopen($filename, 'w') or
+ die_message('Cannot open ' . $filename);
+ set_file_buffer($fp, 0);
+ flock($fp, LOCK_EX);
+ rewind($fp);
+ fputs($fp, $pattern . "\n");
+ fputs($fp, $pattern_a . "\n");
+ fputs($fp, join("\t", $forceignorelist) . "\n");
+ flock($fp, LOCK_UN);
+ fclose($fp);
+}
+
+// Update AutoAlias regex cache
+function update_autoalias_cache_file()
+{
+ global $autoalias; // Disable (0), Enable (min-length)
+ $aliases = get_autoaliases();
+ if (empty($aliases)) {
+ // Remove
+ @unlink(CACHE_DIR . PKWK_AUTOALIAS_REGEX_CACHE);
+ } else {
+ // Create or Update
+ autolink_pattern_write(CACHE_DIR . PKWK_AUTOALIAS_REGEX_CACHE,
+ get_autolink_pattern(array_keys($aliases), $autoalias));
+ }
+}
+
+// Get elapsed date of the page
function get_pg_passage($page, $sw = TRUE)
{
global $show_passage;
}
}
-// Get a page list of this wiki
-function get_existpages($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);
+
+ return $aryret;
+}
+
+/**
+ * Get/Set pagelist cache enabled for get_existpages()
+ *
+ * @param $newvalue Set true when the system can cache the page list
+ * @return true if can use page list cache
+ */
+function is_pagelist_cache_enabled($newvalue = null)
+{
+ static $cache_enabled = null;
+
+ if (!is_null($newvalue)) {
+ $cache_enabled = $newvalue;
+ return; // Return nothing on setting newvalue call
+ }
+ if (is_null($cache_enabled)) {
+ return false;
+ }
+ return $cache_enabled;
+}
- $pattern = '((?:[0-9A-F]{2})+)';
- if ($ext != '') $ext = preg_quote($ext, '/');
- $pattern = '/^' . $pattern . $ext . '$/';
+// Get a page list of this wiki
+function get_existpages($dir = DATA_DIR, $ext = '.txt')
+{
+ static $cached_list = null; // Cached wikitext page list
+ $use_cache = false;
- $dp = @opendir($dir) or
- die_message($dir . ' is not found or not readable.');
+ if ($dir === DATA_DIR && $ext === '.txt' && is_pagelist_cache_enabled()) {
+ // Use pagelist cache for "wiki/*.txt" files
+ if (!is_null($cached_list)) {
+ return $cached_list;
+ }
+ $use_cache = true;
+ }
+ $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);
-
+ if ($use_cache) {
+ $cached_list = $aryret;
+ }
return $aryret;
}
if(! file_exists($pagereading_chasen_path))
die_message('ChaSen not found: ' . $pagereading_chasen_path);
- $tmpfname = tempnam(CACHE_DIR, 'PageReading');
+ $tmpfname = tempnam(realpath(CACHE_DIR), 'PageReading');
$fp = fopen($tmpfname, 'w') or
die_message('Cannot write temporary file "' . $tmpfname . '".' . "\n");
foreach ($readings as $page => $reading) {
if(! file_exists($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 "' . $tmpfname . '".' . "\n");
foreach ($readings as $page => $reading) {
if($unknownPage || $deletedPage) {
- asort($readings); // Sort by pronouncing(alphabetical/reading) order
+ asort($readings, SORT_STRING); // Sort by pronouncing(alphabetical/reading) order
$body = '';
foreach ($readings as $page => $reading)
$body .= '-[[' . $page . ']] ' . $reading . "\n";
return $readings;
}
-// Get a list of encoded files (must specify a directory and a suffix)
-function get_existfiles($dir, $ext)
-{
- $pattern = '/^(?:[0-9A-F]{2})+' . preg_quote($ext, '/') . '$/';
- $aryret = array();
- $dp = @opendir($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 $aryret;
-}
-
// Get a list of related pages of the page
function links_get_related($page)
{
if (isset($links[$page])) return $links[$page];
// If possible, merge related pages generated by make_link()
- $links[$page] = ($page == $vars['page']) ? $related : array();
+ $links[$page] = ($page === $vars['page']) ? $related : array();
// Get repated pages from DB
$links[$page] += links_get_related_db($vars['page']);
$lockfile = CACHE_DIR . 'pkwk_chown.lock';
$flock = fopen($lockfile, 'a') or
die('pkwk_chown(): fopen() failed for: CACHEDIR/' .
- basename(htmlspecialchars($lockfile)));
+ basename(htmlsc($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(htmlspecialchars($filename)));
+ die('pkwk_chown(): stat() failed for: ' . basename(htmlsc($filename)));
if ($stat[4] === $php_uid) {
// NOTE: Windows always here
$result = TRUE; // Seems the same UID. Nothing to do
// NOTE: Not 'r+'. Don't check write permission here
$ffile = fopen($filename, 'r') or
die('pkwk_chown(): fopen() failed for: ' .
- basename(htmlspecialchars($filename)));
+ basename(htmlsc($filename)));
// Try to chown by re-creating files
// NOTE:
return $result;
} else {
die('pkwk_touch_file(): Invalid UID and (not writable for the directory or not a flie): ' .
- htmlspecialchars(basename($filename)));
+ htmlsc(basename($filename)));
+ }
+}
+
+/**
+ * Lock-enabled file_get_contents
+ *
+ * Require: PHP5+
+ */
+function pkwk_file_get_contents($filename) {
+ if (! file_exists($filename)) {
+ return false;
+ }
+ $fp = fopen($filename, 'rb');
+ flock($fp, LOCK_SH);
+ $file = file_get_contents($filename);
+ flock($fp, LOCK_UN);
+ return $file;
+}
+
+/**
+ * Prepare some cache files for convert_html()
+ *
+ * * Make cache/autolink.dat if needed
+ */
+function prepare_display_materials() {
+ global $autolink;
+ if ($autolink) {
+ // Make sure 'cache/autolink.dat'
+ $file = CACHE_DIR . PKWK_AUTOLINK_REGEX_CACHE;
+ if (!file_exists($file)) {
+ // Re-create autolink.dat
+ put_lastmodified();
+ }
+ }
+}
+
+/**
+ * Prepare page related links and references for links_get_related()
+ */
+function prepare_links_related($page) {
+ global $defaultpage;
+
+ $enc_defaultpage = encode($defaultpage);
+ if (file_exists(CACHE_DIR . $enc_defaultpage . '.rel')) return;
+ if (file_exists(CACHE_DIR . $enc_defaultpage . '.ref')) return;
+ $enc_name = encode($page);
+ if (file_exists(CACHE_DIR . $enc_name . '.rel')) return;
+ if (file_exists(CACHE_DIR . $enc_name . '.ref')) return;
+
+ $pattern = '/^((?:[0-9A-F]{2})+)' . '(\.ref|\.rel)' . '$/';
+ $dir = CACHE_DIR;
+ $dp = @opendir($dir) or die_message('CACHE_DIR/'. ' is not found or not readable.');
+ $rel_ref_ready = false;
+ $count = 0;
+ while (($file = readdir($dp)) !== FALSE) {
+ if (preg_match($pattern, $file, $matches)) {
+ if ($count++ > 5) {
+ $rel_ref_ready = true;
+ break;
+ }
+ }
+ }
+ closedir($dp);
+ if (!$rel_ref_ready) {
+ if (count(get_existpages()) < 50) {
+ // Make link files automatically only if page count < 50.
+ // Because large number of update links will cause PHP timeout.
+ links_init();
+ }
}
}
-?>
OSDN Git Service
