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Merge branch 'master' of github.com:vichan-devel/Tinyboard
This commit is contained in:
czaks
commit
3a6d576e6b
251
boardlink/main.php
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251
boardlink/main.php
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<?php
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/*
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* Copyright (c) 2014 Marcin Łabanowski
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*/
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if (isset ($brd) && !defined("TINYBOARD")) {
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define("BOARDLINK_IN", "callback");
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require_once("inc/functions.php");
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}
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else if (defined ("TINYBOARD")) {
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define("BOARDLINK_IN", "config");
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}
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else {
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die("Access denied");
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}
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// Version history (protocol compatibility):
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// 1 - initial version
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define("BOARDLINK_VERSION", "1");
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$delete_from = false;
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class BoardLink {
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function __construct($boardname, $self, $connected) {
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$this->boardname = $boardname;
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$this->self = $self;
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$this->connected = $connected;
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$this->queue = array();
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}
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function send_data($uri, $password, $data) {
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ignore_user_abort(true); // this is a critical code, we don't want users to desync boards
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// by quitting at a random moment
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$d = http_build_query(array('password' => $password,
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'from' => $this->self,
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'version' => BOARDLINK_VERSION,
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'data' => serialize($data)));
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$ctx = stream_context_create(array('http' => array(
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'method' => 'POST',
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'header' => "Content-type: application/x-www-form-urlencoded\r\n".
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"Content-length: ".strlen($d)."\r\n",
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'content' => $d)));
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$this->queue[] = array($ctx, $uri, $data['action']);
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}
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function commit_send_as_last() {
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register_shutdown_function(array($this, "commit_send"));
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}
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function commit_send() {
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global $request_finished;
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if (function_exists("fastcgi_finish_request") && !isset($request_finished)) {
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fastcgi_finish_request(); // hooray! php-fpm!
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$request_finished = true;
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}
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foreach ($this->queue as $value) {
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list($ctx, $uri, $action) = $value;
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$fp = file_get_contents($uri.'callback.php', false, $ctx);
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_syslog(LOG_INFO, "BoardLink: sent query of type $action from {$this->self} to $uri. Query yielded $fp");
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}
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$this->queue = array();
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}
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function configure_board() {
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global $config;
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$config['blotter'] = "This board is synchronized with ";
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$a = array_values($this->connected);
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array_walk($a, function(&$v, $k){
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$v = "<a href=\"$v\">$v</a>";
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});
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$count = count($a);
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if ($count == 0) {
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$synced = '';
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} elseif ($count == 1) {
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$synced = $a[0];
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} else {
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$synced = implode(', ', array_slice($a,0,$count-1)) . ' and ' . end($a);
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}
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$config['blotter'] .= $synced;
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if ($config['vichan_federation']) {
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if ($config['locale'] != "en") {
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$config['locale'] = "en";
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$config['file_script'] = "main-en.js";
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}
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$config['country_flags'] = true;
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}
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event_handler('delete', function($post) {
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global $delete_from;
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$data = array();
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$data['action'] = 'delete';
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$data['post'] = $post;
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foreach ($this->connected as $password => $uri) {
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if (!$delete_from || $delete_from != $uri) {
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$this->send_data($uri, $password, $data);
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}
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}
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register_shutdown_function(array($this, "commit_send_as_last"));
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});
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event_handler('post-after', function($post) {
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$data = array();
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$data['action'] = 'create';
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if (!isset ($post['ip'])) $post['ip'] = $_SERVER['REMOTE_ADDR'];
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$data['post'] = $post;
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foreach ($this->connected as $password => $uri) {
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if (!isset($data['post']['origin']) || $data['post']['origin'] != $uri) {
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$this->send_data($uri, $password, $data);
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}
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}
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register_shutdown_function(array($this, "commit_send_as_last"));
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});
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}
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function handle_error($err, $from, $sort) {
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_syslog(LOG_INFO, "BoardLink: received query of type $sort from $from to {$this->self}. Query finished with $err");
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die('{status:"'.$err.'",version:"'.BOARDLINK_VERSION.'"}');
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}
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function configure_callback() {
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global $board, $config, $delete_from, $build_pages, $pdo;
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if (!isset ($_POST['password'])) {
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$this->handle_error("ERR_NOREQUEST", "nil", "nil");
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}
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if (!isset ($this->connected[$_POST['password']])) {
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$this->handle_error("ERR_PASSWD", $_POST['from'], "nil");
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}
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$uri = $this->connected[$_POST['password']];
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if ($uri != $_POST['from']) {
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$this->handle_error("ERR_FROM", $_POST['from'], "nil");
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}
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$data = unserialize($_POST['data']);
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openBoard($this->boardname);
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switch ($data['action']) {
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case 'create':
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//Check if thread exists
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if (!$data['post']['op']) {
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$query = prepare(sprintf("SELECT `sticky`,`locked`,`sage` FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri']));
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$query->bindValue(':id', $data['post']['thread'], PDO::PARAM_INT);
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$query->execute() or error(db_error());
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if (!$thread = $query->fetch(PDO::FETCH_ASSOC)) {
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$this->handle_error("ERR_DESYNC", $uri, $data['action']);
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}
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$numposts = numPosts($data['post']['thread']);
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}
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$a = array("src" => "file", "thumb" => "thumb");
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foreach ($a as $dir => $field) {
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if (isset($data['post'][$field]) && $data['post'][$field] &&
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$data['post'][$field] != 'spoiler' && $data['post'][$field] != 'deleted') {
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// Security filename checks
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if (preg_match('@\.php|\.phtml|\.ht|\.\.|\x00|/@i', $data['post'][$field])) {
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$this->handle_error("ERR_SECURITY", $uri, $data['action']);
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}
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$i = file_get_contents($uri.$dir.'/'.$data['post'][$field]);
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file_put_contents($this->boardname.'/'.$dir.'/'.$data['post'][$field], $i);
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}
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}
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$tmpid = post($data['post']);
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// Post doesn't cover custom post IDs
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$query = prepare(sprintf("UPDATE ``posts_%s`` SET `id`=:id WHERE `id`=:tmpid", $board['uri']));
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$query->bindValue("id", $id = $data['post']['id']);
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$query->bindValue("tmpid", $tmpid);
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if (!$query->execute()) {
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$query = prepare(sprintf("DELETE FROM ``posts_%s`` WHERE `id`=:tmpid", $board['uri']));
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$query->bindValue("tmpid", $tmpid);
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$query->execute();
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// Reset the auto increment
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query(sprintf("ALTER TABLE ``posts_%s`` AUTO_INCREMENT = 1", $board['uri']));
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$this->handle_error("ERR_DUPLICATE_ID", $uri, $data['action']);
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}
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// Reset the auto increment
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query(sprintf("ALTER TABLE ``posts_%s`` AUTO_INCREMENT = 1", $board['uri']));
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$post = &$data['post'];
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$post['origin'] = $uri;
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// The rest is just a copied code from post.php
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if (isset($post['tracked_cites']) && !empty($post['tracked_cites'])) {
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$insert_rows = array();
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foreach ($post['tracked_cites'] as $cite) {
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$insert_rows[] = '(' .
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$pdo->quote($board['uri']) . ', ' . (int)$id . ', ' .
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$pdo->quote($cite[0]) . ', ' . (int)$cite[1] . ')';
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}
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query('INSERT INTO ``cites`` VALUES ' . implode(', ', $insert_rows)) or error(db_error());
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}
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if (!$post['op'] && strtolower($post['email']) != 'sage' && !$thread['sage'] && ($config['reply_limit'] == 0
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|| $numposts['replies']+1 < $config['reply_limit'])) {
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bumpThread($post['thread']);
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}
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buildThread($post['op'] ? $id : $post['thread']);
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if ($config['try_smarter'] && $post['op'])
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$build_pages = range(1, $config['max_pages']);
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if ($post['op'])
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clean();
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event('post-after', $post);
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buildIndex();
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if ($post['op'])
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rebuildThemes('post-thread', $board['uri']);
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else
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rebuildThemes('post', $board['uri']);
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break;
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case 'delete':
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$delete_from = $uri;
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deletePost($data['post']['id'], false);
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$delete_from = false;
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buildIndex();
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rebuildThemes('post-delete', $board['uri']);
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break;
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default:
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$this->handle_error("ERR_UNSUPPORTED", $uri, $data['action']);
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}
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$this->handle_error("OK", $uri, $data['action']);
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}
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}
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?>
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