<?php
// PukiWiki - Yet another WikiWikiWeb clone.
-// $Id: file.php,v 1.95 2011/01/25 15:01:01 henoheno Exp $
+// file.php
// Copyright (C)
-// 2002-2006 PukiWiki Developers Team
+// 2002-2016 PukiWiki Development Team
// 2001-2002 Originally written by yu-ji
// License: GPL v2 or (at your option) any later version
//
} else {
$result = fread($fp, $size);
if ($result !== FALSE) {
- // Removing line-feeds
+ // Removing Carriage-Return
$result = str_replace("\r", '', $result);
}
}
// Returns an array
$result = file($path);
if ($result !== FALSE) {
- // Removing line-feeds
+ // Removing Carriage-Return
$result = str_replace("\r", '', $result);
}
}
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);
- // 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 ($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);
+ file_write(DATA_DIR, $page, $postdata, $notimestamp, $is_delete);
links_update($page);
}
return implode("\n", $lines);
}
+function add_author_info($wikitext)
+{
+ 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);
+ }
+ $displayname = preg_replace('/"/', '', $fullname);
+ $user_prefix = get_auth_user_prefix();
+ $author_text = sprintf('#author("%s","%s","%s")',
+ get_date_atom(UTIME + LOCALZONE),
+ ($author ? $user_prefix . $author : ''),
+ $displayname) . "\n";
+ return $author_text . $wikitext;
+}
+
+function remove_author_info($wikitext)
+{
+ return preg_replace('/^\s*#author\([^\n]*(\n|$)/m', '', $wikitext);
+}
+
+function get_date_atom($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, $zmin % 60);
+}
+
// Generate ID
function generate_fixed_heading_anchor_id($seed)
{
}
// Output to a file
-function file_write($dir, $page, $str, $notimestamp = FALSE)
+function file_write($dir, $page, $str, $notimestamp = FALSE, $is_delete = FALSE)
{
global $_msg_invalidiwn, $notify, $notify_diff_only, $notify_subject;
global $whatsdeleted, $maxshow_deleted;
// ----
// Delete?
- if ($dir == DATA_DIR && $str === '') {
+ if ($dir == DATA_DIR && $is_delete) {
// Page deletion
if (! $file_exists) return; // Ignore null posting for DATA_DIR
}
}
+/**
+ * Lock-enabled file_get_contents
+ *
+ * Require: PHP5+
+ */
+function pkwk_file_get_contents($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;
+}