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424 lines
11 KiB
PHP
424 lines
11 KiB
PHP
<?php
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include_once('utils.php');
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// -------------------------------------
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// add a new thread into user forum index
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// -------------------------------------
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function add_thread_to_forum_index(&$from, &$to, &$subject, &$index)
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{
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global $shard;
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$to_dir = get_user_dir($to, $shard);
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$to_index = $to_dir.'forum.index';
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use_index($to_index);
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$f = fopen($to_index, 'r+');
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read_next_index($f, $index);
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append_to_index($f, trim($from).'%%'.strtr(trim($subject), "\n", " ").' %%".displayable_date()."%%1%%'.$index);
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update_next_index($f, $index+1);
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fclose($f);
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}
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// -------------------------------------
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// create new thread index
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// -------------------------------------
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function create_thread(&$from, &$to, &$subject, &$index)
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{
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global $shard;
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$to_dir = get_user_dir($to, $shard);
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// build mail message
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$array = array();
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write_index($to_dir."thread_$index.index", trim($from).'%%'.strtr(trim($subject), "\n", " ").' %%'.displayable_date(), $array);
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}
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// -------------------------------------
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// remove thread
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// -------------------------------------
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function remove_thread($forum, $thread)
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{
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global $shard;
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$forum_dir = get_user_dir($forum, $shard);
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read_index($forum_dir.'forum.index', $header, $array);
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for ($i=0; $i<count($array); ++$i)
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if (trim($array[$i][4]) != trim($thread))
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$newarray[] = $array[$i];
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write_index($forum_dir.'forum.index', $header, $newarray);
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$compare = 'thread_'.$thread;
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$len = strlen($compare);
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if ($dir = @opendir($forum_dir))
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{
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while($file = readdir($dir))
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if (!strncmp($file, $compare, $len))
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rename($forum_dir.$file, $forum_dir.'_'.$file);
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closedir($dir);
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}
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build_forum_page($forum);
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}
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// -------------------------------------
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// add post to thread
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// -------------------------------------
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function add_post(&$from, &$to, &$content, &$index, &$last_date)
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{
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global $shard;
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$to_dir = get_user_dir($to, $shard);
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// build mail message
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$last_date = displayable_date();
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$fname = $to_dir."thread_$index.index";
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$f = fopen($fname, "a+");
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append_to_index($f, trim($from).'%%'.trim($content).' %%'.$last_date);
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fclose($f);
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}
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// -------------------------------------
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// remove post
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// -------------------------------------
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function remove_post($forum, $thread, $posts)
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{
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global $shard;
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$forum_dir = get_user_dir($forum, $shard);
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read_index($forum_dir.'thread_'.$thread.'.index', $header, $array);
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sort($posts);
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$remove_post = 0;
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for ($i=0; $i<count($array); ++$i)
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if ($remove_post >= count($posts) || $i != $posts[$remove_post])
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$newarray[] = $array[$i];
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else
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++$remove_post;
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write_index($forum_dir.'thread_'.$thread.'.index', $header, $newarray);
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build_thread_page($forum, $thread, $num_posts);
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update_forum_index($forum, $thread, $num_posts, "");
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build_forum_page($forum);
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}
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// -------------------------------------
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// update forum index after a thread is modified
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// -------------------------------------
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function update_forum_index($user, $thread, $num_posts, $last_date)
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{
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global $shard;
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$user_dir = get_user_dir($user, $shard);
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$user_index = $user_dir.'forum.index';
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// read forum index
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read_index($user_index, $header, $threads);
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// search for thread line
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for ($i=0; $i<count($threads); ++$i)
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{
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if (trim($threads[$i][4]) == trim($thread))
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{
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$threads[$i][2] = $last_date;
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$threads[$i][3] = $num_posts;
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}
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}
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// write forum index
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write_index($user_index, $header, $threads);
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}
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// -------------------------------------
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// rebuild whole forum index
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// -------------------------------------
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function build_forum_index($forum)
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{
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global $shard;
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$forum_dir = get_user_dir($forum, $shard);
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$forum_index = $forum_dir.'forum.index';
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read_index($forum_index, $header, $threads);
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$threads = array();
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$browse_dir = opendir($forum_dir);
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while ($browse_dir && ($browse_file = readdir($browse_dir)))
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{
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if (ereg("^thread_([0-9]*)\.index", $browse_file, $regs))
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{
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echo "added $browse_file to forum<br>\n";
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$index = $regs[1];
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read_index($forum_dir.$browse_file, $fheader, $posts);
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$fhdr = explode('%%', $fheader);
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$threads[$index] = trim($fhdr[0]).'%%'.trim($fhdr[1]).'%%'.trim($fhdr[2]).'%%'.count($posts).'%%'.$index;
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}
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}
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$icontent = array();
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for ($i=0; $i<$header; ++$i)
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{
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if ($threads[$i] == '')
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continue;
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$icontent[] = array($threads[$i]);
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}
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write_index($forum_index, $header, $icontent);
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build_forum_page($forum);
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}
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// -------------------------------------
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// recover all deleted threads
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// -------------------------------------
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function recover_thread($forum)
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{
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global $shard;
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$forum_dir = get_user_dir($forum, $shard);
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$browse_dir = opendir($forum_dir);
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while ($browse_dir && ($browse_file = readdir($browse_dir)))
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{
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if (ereg("^_thread_([0-9]*)\.(index|html)", $browse_file))
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{
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echo "recover file $browse_file<br>\n";
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rename($forum_dir.'/'.$browse_file, $forum_dir.'/'.substr($browse_file, 1));
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}
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}
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build_forum_index($forum);
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}
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// -------------------------------------
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// recover all deleted threads
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// -------------------------------------
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function recover_one_thread($forum, $thread)
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{
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global $shard;
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$forum_dir = get_user_dir($forum, $shard);
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if (file_exists($forum_dir.$thread))
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{
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rename($forum_dir.$thread, $forum_dir.substr($thread, 1));
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build_forum_index($forum);
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}
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else if (file_exists($forum_dir.'_thread_'.$thread.'.index'))
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{
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$file = 'thread_'.$thread.'.index';
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rename($forum_dir.'_'.$file, $forum_dir.$file);
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if (file_exists($forum_dir.'_thread_'.$thread.'.html'))
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{
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$file = 'thread_'.$thread.'.html';
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rename($forum_dir.'_'.$file, $forum_dir.$file);
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}
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build_forum_index(nameToFile($forum));
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}
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}
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// -------------------------------------
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// rename forum
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// -------------------------------------
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function rename_forum($forum, $into)
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{
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global $shard;
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$olddir = build_user_dir($forum);
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$newdir = build_user_dir($into);
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$dir = opendir($olddir);
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while ($dir && ($file = readdir($dir)))
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$files[] = $file;
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foreach ($files as $file)
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{
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copy($olddir.'/'.$file, $newdir.'/'.$file);
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delete($olddir.'/'.$file);
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}
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build_forum_page($into);
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}
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// -------------------------------------
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// rebuild user mail box pages
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// -------------------------------------
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function build_forum_page($forum)
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{
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global $shard;
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$forum_dir = get_user_dir($forum, $shard);
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$forum_index = $forum_dir.'forum.index';
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// open forum index
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read_index($forum_index, $header, $threads);
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$num_threads = count($threads);
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$num_per_page = 10;
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$num_pages = (int)(($num_threads+$num_per_page-1) / $num_per_page);
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$thread = $num_threads-1;
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$num_in_page = 0;
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$page = 0;
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$altern_color = array("#333333", "#666666");
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$links_str = '';
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read_template('forum_main.html', $forum_main);
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read_template('forum_topic.html', $forum_topic);
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read_template('browse_link.html', $browse_link);
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do
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{
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$inst_topic = '';
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$num_in_page = 0;
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$altern_index = 0;
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while ($num_in_page < 10 && $thread >= 0)
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{
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$t = &$threads[$thread];
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// replace in topic
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$subject = ucfirst(displayable_string($t[1]));
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$inst_topic .= str_replace(array('%%SUBJECT%%', '%%SENDER%%', '%%UCSENDER%%', '%%NUMPOSTS%%', '%%DATE%%', '%%FORUM%%', '%%UCFORUM%%', '%%THREAD%%', '%%COLOR%%'),
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array(ucfirst($subject), $t[0], ucfirst($t[0]), $t[3], $t[2], nameToURL($forum), convert_forum_name($forum), $t[4], $altern_color[$altern_index]),
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$forum_topic);
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// step to next thread
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++$num_in_page;
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--$thread;
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$altern_index = 1-$altern_index;
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}
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$links_str = '';
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$link_previous = ($page == 0 ? "forum.php?page=".$page : "forum.php?page=".($page-1));
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for ($i=0; $i<$num_pages; ++$i)
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{
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$link = ($i == $page ? $i+1 : "<a href='forum.php?page=$i'>".($i+1)."</a>");
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$links_str .= str_replace(array('%%LINK%%'),
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array($link),
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$browse_link);
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}
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$link_next = (($page == $num_pages-1 || $num_pages <= 1) ? "forum.php?page=".$page : "forum.php?page=".($page+1));
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// replace in forum
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$inst_forum = str_replace(array('%%TOPICS%%', '%%FORUM_POST%%', '%%FORUM%%', '%%UCFORUM%%', '%%PREVIOUS%%', '%%LINKS%%', '%%NEXT%%'),
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array($inst_topic, $forum, nameToURL($forum), convert_forum_name($forum), $link_previous, $links_str, $link_next),
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$forum_main);
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$pagename = $forum_dir.'forum'.($page==0 ? '' : '_'.$page).'.html';
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$f = fopen($pagename, 'w');
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fwrite($f, $inst_forum);
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fclose($f);
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++$page;
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}
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while ($thread >= 0);
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}
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// -------------------------------------
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// rebuild user mail box pages
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// -------------------------------------
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function build_thread_page($forum, $thread, &$num_posts)
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{
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global $shard;
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$thread_dir = get_user_dir($forum, $shard);
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$thread_index = $thread_dir."thread_$thread.index";
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// open thread index
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read_index($thread_index, $header, $posts);
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$header = explode('%%', $header);
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$thread_subject = $header[1];
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$num_posts = count($posts);
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$num_per_page = 10;
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$num_pages = (int)(($num_posts+$num_per_page-1) / $num_per_page);
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$post = 0;
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$page = 0;
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$altern_color = array("#333333", "#666666");
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$altern_index = 0;
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$links_str = '';
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read_template('topic_main.html', $topic_main);
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read_template('topic_post.html', $topic_post);
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read_template('browse_link.html', $browse_link);
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do
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{
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$num_in_page = 0;
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$inst_post = '';
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while ($num_in_page < 10 && $post < $num_posts)
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{
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$p = &$posts[$post];
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$content = nl2br(displayable_content($p[1]));
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$inst_post .= str_replace(array('%%FORUM%%', '%%UCFORUM%%', '%%SENDER%%', '%%UCSENDER%%', '%%DATE%%', '%%CONTENT%%', '%%POST%%', '%%COLOR%%'),
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array(nameToURL($forum), convert_forum_name($forum), $p[0], ucfirst($p[0]), $p[2], $content, $post, $altern_color[$altern_index]),
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$topic_post);
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// step to next post
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++$num_in_page;
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++$post;
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$altern_index = 1-$altern_index;
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}
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$links_str = '';
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$link_previous = ($page == 0 ? "thread.php?thread=$thread&page=".$page : "thread.php?thread=$thread&page=".($page-1));
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for ($i=0; $i<$num_pages; ++$i)
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{
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$link = ($i == $page ? $i+1 : "<a href='thread.php?thread=$thread&page=$i'>".($i+1)."</a>");
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$links_str .= str_replace(array('%%LINK%%'),
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array($link),
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$browse_link);
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}
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$link_next = (($page == $num_pages-1 || $num_pages <= 1) ? "thread.php?thread=$thread&page=".$page : "thread.php?thread=$thread&page=".($page+1));
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$inst_topic = str_replace(array('%%POSTS%%', '%%FORUM_POST%%', '%%FORUM%%', '%%UCFORUM%%', '%%THREAD%%', '%%PREVIOUS%%', '%%LINKS%%', '%%NEXT%%', '%%SUBJECT%%'),
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array($inst_post, $forum, nameToURL($forum), convert_forum_name($forum), $thread, $link_previous, $links_str, $link_next, ucfirst($thread_subject)),
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$topic_main);
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$pagename = $thread_dir."thread_$thread".($page==0 ? '' : '_'.$page).'.html';
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$f = fopen($pagename, 'w');
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fwrite($f, $inst_topic);
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fclose($f);
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++$page;
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}
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while ($post < $num_posts);
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}
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?>
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