<?php
// PukiWiki - Yet another WikiWikiWeb clone.
-// $Id: file.php,v 1.36 2005/08/01 15:04:29 henoheno Exp $
+// $Id: file.php,v 1.56 2006/04/10 14:41:10 henoheno Exp $
// Copyright (C)
-// 2002-2005 PukiWiki Developers Team
+// 2002-2006 PukiWiki Developers Team
// 2001-2002 Originally written by yu-ji
// License: GPL v2 or (at your option) any later version
//
// File related functions
+define('PKWK_MAXSHOW_CACHE', 'recent.dat');
+define('PKWK_AUTOLINK_REGEX_CACHE', 'autolink.dat');
+
// Get source(wiki text) data of the page
function get_source($page = NULL, $lock = TRUE)
{
links_update($page);
}
-// 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, $fixed_heading_anchor;
mt_rand(0, 24), 7);
}
+// Read top N lines as an array
+// (Use PHP file() function if you want to get ALL lines)
+function file_head($file, $count = 1, $buffer = 8192, $lock = TRUE)
+{
+ $index = 0;
+ $array = array();
+
+ $fp = @fopen($file, 'r');
+ if ($fp === FALSE) return FALSE;
+ set_file_buffer($fp, 0);
+
+ if ($lock) flock($fp, LOCK_SH);
+ 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)
{
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';
+ $file_exists = file_exists($file);
- $page = strip_bracket($page);
- $file = $dir . encode($page) . '.txt';
- $timestamp = FALSE;
+ // ----
+ // Delete?
- if ($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" . '/', '', $str)) . "\n";
+ if ($dir == DATA_DIR && $str === '') {
+ // Page deletion
+ if (! $file_exists) return; // Ignore null posting for DATA_DIR
- if ($notimestamp && file_exists($file))
- $timestamp = filemtime($file) - LOCALZONE;
+ // Update RecentDeleted (Add the $page)
+ add_recent($page, $whatsdeleted, '', $maxshow_deleted);
- $fp = fopen($file, 'r+') 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($fp, 0);
+ unlink($file);
- flock($fp, LOCK_EX);
+ // Update RecentChanges (Remove the $page from RecentChanges)
+ put_lastmodified();
- // Write
- if (! ftruncate($fp, 0)) return FALSE;
- rewind($fp);
- fputs($fp, $str);
+ // Clear is_page() cache
+ is_page($page, TRUE);
- flock($fp, LOCK_UN);
-
- fclose($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('$1', htmlspecialchars($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: ' .
+ htmlspecialchars(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) put_lastmodified();
+
+ // Execute $update_exec here
+ if ($update_exec) system($update_exec . ' > /dev/null &');
+
+ } else if ($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['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
}
// 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 = $matches = array();
fclose($fp);
}
-// Update RecentChanges
+// Re-create PKWK_MAXSHOW_CACHE
+
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
+ $recent_pages = array_splice($recent_pages, 0, $maxshow);
+ // Re-create PKWK_MAXSHOW_CACHE
+ $fp = fopen(CACHE_DIR . PKWK_MAXSHOW_CACHE, 'w') or
+ die_message('Cannot write file ' .
+ 'CACHE_DIR/' . PKWK_MAXSHOW_CACHE . '<br />' . "\n" .
+ 'Maybe permission is not writable');
set_file_buffer($fp, 0);
flock($fp, LOCK_EX);
rewind($fp);
// Create RecentChanges
$fp = fopen(get_filename($whatsnew), 'w') or
- die_message('Cannot write page file ' .
- htmlspecialchars($whatsnew) .
- '<br />Maybe permission is not writable or filename is too long');
-
+ die_message('Cannot write file ' .
+ htmlspecialchars($whatsnew) . '<br />' . "\n" .
+ 'Maybe permission is not writable or filename is too long');
set_file_buffer($fp, 0);
flock($fp, LOCK_EX);
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);
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');
+ $fp = fopen(CACHE_DIR . PKWK_AUTOLINK_REGEX_CACHE, 'w') or
+ die_message('Cannot write file ' .
+ 'CACHE_DIR/' . PKWK_AUTOLINK_REGEX_CACHE . '<br />' . "\n" .
+ 'Maybe permission is not writable');
set_file_buffer($fp, 0);
flock($fp, LOCK_EX);
rewind($fp);
}
}
-// Get elapsed date of the pate
+// Get elapsed date of the page
function get_pg_passage($page, $sw = TRUE)
{
global $show_passage;
if(! file_exists($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) {
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