<?php
-/////////////////////////////////////////////////
// PukiWiki - Yet another WikiWikiWeb clone.
+// $Id: file.php,v 1.21 2005/04/17 06:42:26 henoheno Exp $
//
-// $Id: file.php,v 1.9 2004/12/11 15:44:45 henoheno Exp $
-//
+// File related functions
-// ¥½¡¼¥¹¤ò¼èÆÀ
+// Get source(wiki text) data of the page
function get_source($page = NULL)
{
+ // Removing line-feeds: Because file() doesn't remove them.
return is_page($page) ? str_replace("\r", '', file(get_filename($page))) : array();
}
-// ¥Ú¡¼¥¸¤Î¹¹¿·»þ¹ï¤òÆÀ¤ë
+// Get last-modified filetime of the page
function get_filetime($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)
{
global $trackback;
+ if (PKWK_READONLY) return; // Do nothing
+
$postdata = make_str_rules($postdata);
- // º¹Ê¬¥Õ¥¡¥¤¥ë¤ÎºîÀ®
+ // Create and write diff
$oldpostdata = is_page($page) ? join('', get_source($page)) : '';
$diffdata = do_diff($oldpostdata, $postdata);
file_write(DIFF_DIR, $page, $diffdata);
- // ¥Ð¥Ã¥¯¥¢¥Ã¥×¤ÎºîÀ®
+ // Create backup
make_backup($page, $postdata == ''); // Is $postdata null?
- // ¥Õ¥¡¥¤¥ë¤Î½ñ¤¹þ¤ß
+ // Create wiki text
file_write(DATA_DIR, $page, $postdata, $notimestamp);
if ($trackback) {
links_update($page);
}
-// ¥æ¡¼¥¶ÄêµÁ¥ë¡¼¥ë(¥½¡¼¥¹¤òÃÖ´¹¤¹¤ë)
+// User-defined rules (replace the source)
function make_str_rules($str)
{
global $str_rules, $fixed_heading_anchor;
$retvars = $matches = array();
foreach ($arr as $str) {
- if ($str != '' && $str{0} != ' ' && $str{0} != "\t") {
+ if ($str != '' && $str{0} != ' ' && $str{0} != "\t")
foreach ($str_rules as $rule => $replace)
- $str = preg_replace("/$rule/", $replace, $str);
- }
+ $str = preg_replace('/' . $rule . '/', $replace, $str);
- // ¸«½Ð¤·¤Ë¸ÇÍID¤òÉÕÍ¿¤¹¤ë
+ // Adding fixed anchor into headings
if ($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)
+ // Generate ID:
+ // A random alphabetic letter + 7 letters of random strings from md()
$anchor = chr(mt_rand(ord('a'), ord('z'))) .
substr(md5(uniqid(substr($matches[1], 0, 100), 1)), mt_rand(0, 24), 7);
- $str = rtrim($matches[1]) . " [#$anchor]";
+ $str = rtrim($matches[1]) . ' [#' . $anchor . ']';
}
$retvars[] = $str;
}
return join("\n", $retvars);
}
-// ¥Õ¥¡¥¤¥ë¤Ø¤Î½ÐÎÏ
+// Output to a file
function file_write($dir, $page, $str, $notimestamp = FALSE)
{
- global $update_exec;
- global $_msg_invalidiwn;
+ global $update_exec, $_msg_invalidiwn;
global $notify, $notify_diff_only, $notify_to, $notify_subject, $notify_header;
global $smtp_server, $smtp_auth;
+ global $whatsdeleted, $maxshow_deleted;
+
+ if (PKWK_READONLY) return; // Do nothing
if (! is_pagename($page))
die_message(str_replace('$1', htmlspecialchars($page),
- str_replace('$2', 'WikiName', $_msg_invalidiwn))
- );
+ str_replace('$2', 'WikiName', $_msg_invalidiwn)));
$page = strip_bracket($page);
$timestamp = FALSE;
if ($dir == DATA_DIR && $str == '' && file_exists($file)) {
unlink($file);
- put_recentdeleted($page);
+ add_recent($page, $whatsdeleted, '', $maxshow_deleted); // RecentDeleted
}
if ($str != '') {
- $str = preg_replace("/\r/", '', $str);
+ $str = preg_replace('/' . "\r" . '/', '', $str);
$str = rtrim($str) . "\n";
if ($notimestamp && file_exists($file))
fputs($fp, $str);
flock($fp, LOCK_UN);
fclose($fp);
- if ($timestamp)
- touch($file, $timestamp + LOCALZONE);
+
+ if ($timestamp) pkwk_touch_file($file, $timestamp + LOCALZONE);
}
- // is_page¤Î¥¥ã¥Ã¥·¥å¤ò¥¯¥ê¥¢¤¹¤ë
+ // Clear is_page() cache
is_page($page, TRUE);
if (! $timestamp && $dir == DATA_DIR)
put_lastmodified();
+ // Execute $update_exec here
if ($update_exec && $dir == DATA_DIR)
system($update_exec . ' > /dev/null &');
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();
+ if ($notify_diff_only) $str = preg_replace('/^[^-+].*\n/m', '', $str);
+ $str .= "\n" .
+ str_repeat('-', 30) . "\n" .
+ 'URI: ' . get_script_uri() . '?' . rawurlencode($page) . "\n" .
+ 'REMOTE_ADDR: ' . $_SERVER['REMOTE_ADDR'] . "\n";
+
$subject = str_replace('$page', $page, $notify_subject);
ini_set('SMTP', $smtp_server);
mb_language(LANG);
+
+ if ($smtp_auth) pop_before_smtp();
mb_send_mail($notify_to, $subject, $str, $notify_header);
}
}
-// ºï½üÍúÎò¥Ú¡¼¥¸¤Î¹¹¿·
-function put_recentdeleted($page)
+// Update RecentDeleted
+function add_recent($page, $recentpage, $subject = '', $limit = 0)
{
- global $whatsdeleted, $maxshow_deleted;
+ if (PKWK_READONLY || $limit == 0 || $page == '' || $recentpage == '') return;
- if ($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) . ' - ' . $_page .
+ htmlspecialchars($subject) . "\n");
- $fp = fopen(get_filename($whatsdeleted), 'w') or
+ // 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($whatsdeleted) .
+ htmlspecialchars($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 RecentChanges
function put_lastmodified()
{
global $maxshow, $whatsnew, $non_list, $autolink;
+ if (PKWK_READONLY) return; // Do nothing
+
$pages = get_existpages();
$recent_pages = array();
- foreach($pages as $page) {
- if ($page != $whatsnew && ! preg_match("/$non_list/", $page))
+ $non_list_pattern = '/' . $non_list . '/';
+ foreach($pages as $page)
+ if ($page != $whatsnew && ! preg_match($non_list_pattern, $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)
+ // Create recent.dat (for recent.inc.php)
$fp = fopen(CACHE_DIR . 'recent.dat', 'w') or
die_message('Cannot write cache file ' .
CACHE_DIR . 'recent.dat' .
flock($fp, LOCK_EX);
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
+ // Create RecentChanges
$fp = fopen(get_filename($whatsnew), 'w') or
die_message('Cannot write page file ' .
htmlspecialchars($whatsnew) .
$time = $recent_pages[$page];
$s_lastmod = htmlspecialchars(format_date($time));
$s_page = htmlspecialchars($page);
- fputs($fp, "-$s_lastmod - [[$s_page]]\n");
+ fputs($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);
}
}
-// »ØÄꤵ¤ì¤¿¥Ú¡¼¥¸¤Î·Ð²á»þ¹ï
+// Get elapsed date of the pate
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 $lastmod;
}
}
-// Á´¥Ú¡¼¥¸Ì¾¤òÇÛÎó¤Ë
+// Get a page list of this wiki
function get_existpages($dir = DATA_DIR, $ext = '.txt')
{
$aryret = array();
- $pattern = '^((?:[0-9A-F]{2})+)';
- if ($ext != '')
- $pattern .= preg_quote($ext, '/') . '$';
+ $pattern = '((?:[0-9A-F]{2})+)';
+ if ($ext != '') $ext = preg_quote($ext, '/');
+ $pattern = '/^' . $pattern . $ext . '$/';
$dp = @opendir($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($dp))
+ if (preg_match($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");
+ $fp = fopen($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');
$fp = fopen($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 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 $readings;
}
-//¥Õ¥¡¥¤¥ë̾¤Î°ìÍ÷¤òÇÛÎó¤Ë(¥¨¥ó¥³¡¼¥ÉºÑ¤ß¡¢³ÈÄ¥»Ò¤ò»ØÄê)
+// Get a list of encoded files (must specify a directory and a suffix)
function get_existfiles($dir, $ext)
{
+ $pattern = '/^(?:[0-9A-F]{2})+' . preg_quote($ext, '/') . '$/';
$aryret = array();
-
- $pattern = '^(?:[0-9A-F]{2})+' . preg_quote($ext, '/') . '$';
- $dp = @opendir($dir) or
- die_message($dir . ' is not found or not readable.');
- while ($file = readdir($dp)) {
- if (preg_match("/$pattern/", $file))
+ $dp = @opendir($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
+ // 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(htmlspecialchars($lockfile)));
+ flock($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($filename)));
+ if ($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(htmlspecialchars($filename)));
+
+ // Try to chown by re-creating files
+ // NOTE:
+ // * touch() before copy() is for 'rw-r--r--' instead of 'rwxr-xr-x' (with umask 022).
+ // * (PHP 4 < PHP 4.2.0) touch() with the third argument is not implemented and retuns NULL and Warn.
+ // * @unlink() before rename() is for Windows but here's for Unix only
+ flock($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 $result;
+ } else {
+ die('pkwk_touch_file(): Invalid UID and (not writable for the directory or not a flie): ' .
+ htmlspecialchars(basename($filename)));
+ }
+}
?>
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