$value) { if (preg_match('/^delete_(\d+)$/', $post, $m)) { $delete[] = (int)$m[1]; } } checkDNSBL(); // Check if board exists if (!openBoard($_POST['board'])) error($config['error']['noboard']); // Check if banned checkBan($board['uri']); if (empty($delete)) error($config['error']['nodelete']); foreach ($delete as &$id) { $query = prepare(sprintf("SELECT `thread`, `time`,`password` FROM `posts_%s` WHERE `id` = :id", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); if ($post = $query->fetch()) { if ($password != '' && $post['password'] != $password) error($config['error']['invalidpassword']); if ($post['time'] >= time() - $config['delete_time']) { error(sprintf($config['error']['delete_too_soon'], until($post['time'] + $config['delete_time']))); } if (isset($_POST['file'])) { // Delete just the file deleteFile($id); } else { // Delete entire post deletePost($id); } _syslog(LOG_INFO, 'Deleted post: ' . '/' . $board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['thread'] ? $post['thread'] : $id) . ($post['thread'] ? '#' . $id : '') ); } } buildIndex(); $is_mod = isset($_POST['mod']) && $_POST['mod']; $root = $is_mod ? $config['root'] . $config['file_mod'] . '?/' : $config['root']; header('Location: ' . $root . $board['dir'] . $config['file_index'], true, $config['redirect_http']); } elseif (isset($_POST['report'])) { if (!isset($_POST['board'], $_POST['password'], $_POST['reason'])) error($config['error']['bot']); $report = array(); foreach ($_POST as $post => $value) { if (preg_match('/^delete_(\d+)$/', $post, $m)) { $report[] = (int)$m[1]; } } checkDNSBL(); // Check if board exists if (!openBoard($_POST['board'])) error($config['error']['noboard']); // Check if banned checkBan($board['uri']); if (empty($report)) error($config['error']['noreport']); if (count($report) > $config['report_limit']) error($config['error']['toomanyreports']); $reason = &$_POST['reason']; markup($reason); foreach ($report as &$id) { $query = prepare(sprintf("SELECT `thread` FROM `posts_%s` WHERE `id` = :id", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); $post = $query->fetch(); if ($post) { if ($config['syslog']) _syslog(LOG_INFO, 'Reported post: ' . '/' . $board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['thread'] ? $post['thread'] : $id) . ($post['thread'] ? '#' . $id : '') . ' for "' . $reason . '"' ); $query = prepare("INSERT INTO `reports` VALUES (NULL, :time, :ip, :board, :post, :reason)"); $query->bindValue(':time', time(), PDO::PARAM_INT); $query->bindValue(':ip', $_SERVER['REMOTE_ADDR'], PDO::PARAM_STR); $query->bindValue(':board', $board['uri'], PDO::PARAM_INT); $query->bindValue(':post', $id, PDO::PARAM_INT); $query->bindValue(':reason', $reason, PDO::PARAM_STR); $query->execute() or error(db_error($query)); } } $is_mod = isset($_POST['mod']) && $_POST['mod']; $root = $is_mod ? $config['root'] . $config['file_mod'] . '?/' : $config['root']; header('Location: ' . $root . $board['dir'] . $config['file_index'], true, $config['redirect_http']); } elseif (isset($_POST['post'])) { if (!isset($_POST['subject'], $_POST['body'], $_POST['board'])) error($config['error']['bot']); if (!isset($_POST['name'])) $_POST['name'] = $config['anonymous']; if (!isset($_POST['email'])) $_POST['email'] = ''; if (!isset($_POST['password'])) $_POST['password'] = ''; $post = array('board' => $_POST['board']); if (isset($_POST['thread'])) { $post['op'] = false; $post['thread'] = round($_POST['thread']); } elseif ($config['quick_reply'] && isset($_POST['quick-reply'])) { $post['op'] = false; $post['thread'] = round($_POST['quick-reply']); } else $post['op'] = true; if (!(($post['op'] && $_POST['post'] == $config['button_newtopic']) || (!$post['op'] && $_POST['post'] == $config['button_reply']))) error($config['error']['bot']); // Check the referrer if (!isset($_SERVER['HTTP_REFERER']) || !preg_match($config['referer_match'], $_SERVER['HTTP_REFERER'])) error($config['error']['referer']); checkDNSBL(); // Check if board exists if (!openBoard($post['board'])) error($config['error']['noboard']); // Check if banned checkBan($board['uri']); // Check for CAPTCHA right after opening the board so the "return" link is in there if ($config['recaptcha']) { if (!isset($_POST['recaptcha_challenge_field']) || !isset($_POST['recaptcha_response_field'])) error($config['error']['bot']); // Check what reCAPTCHA has to say... $resp = recaptcha_check_answer($config['recaptcha_private'], $_SERVER['REMOTE_ADDR'], $_POST['recaptcha_challenge_field'], $_POST['recaptcha_response_field']); if (!$resp->is_valid) { error($config['error']['captcha']); } } if ($post['mod'] = isset($_POST['mod']) && $_POST['mod']) { require 'inc/mod.php'; if (!$mod) { // Liar. You're not a mod. error($config['error']['notamod']); } $post['sticky'] = $post['op'] && isset($_POST['sticky']); $post['locked'] = $post['op'] && isset($_POST['lock']); $post['raw'] = isset($_POST['raw']); if ($post['sticky'] && !hasPermission($config['mod']['sticky'], $board['uri'])) error($config['error']['noaccess']); if ($post['locked'] && !hasPermission($config['mod']['lock'], $board['uri'])) error($config['error']['noaccess']); if ($post['raw'] && !hasPermission($config['mod']['rawhtml'], $board['uri'])) error($config['error']['noaccess']); } if (!$post['mod']) { $post['antispam_hash'] = checkSpam(array($board['uri'], isset($post['thread']) && !($config['quick_reply'] && isset($_POST['quick-reply'])) ? $post['thread'] : null)); if ($post['antispam_hash'] === true) error($config['error']['spam']); } if ($config['robot_enable'] && $config['robot_mute']) { checkMute(); } //Check if thread exists if (!$post['op']) { $query = prepare(sprintf("SELECT `sticky`,`locked`,`sage` FROM `posts_%s` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri'])); $query->bindValue(':id', $post['thread'], PDO::PARAM_INT); $query->execute() or error(db_error()); if (!$thread = $query->fetch()) { // Non-existant error($config['error']['nonexistant']); } } // Check for an embed field if ($config['enable_embedding'] && isset($_POST['embed']) && !empty($_POST['embed'])) { // yep; validate it $value = $_POST['embed']; foreach ($config['embedding'] as &$embed) { if ($html = preg_replace($embed[0], $embed[1], $value)) { if ($html == $value) { // Nope. continue; } // Width and height $html = str_replace('%%tb_width%%', $config['embed_width'], $html); $html = str_replace('%%tb_height%%', $config['embed_height'], $html); // Validated. It works. $post['embed'] = $html; // This looks messy right now, I know. I'll work on a better alternative later. $post['no_longer_require_an_image_for_op'] = true; break; } } if (!isset($post['embed'])) { error($config['error']['invalid_embed']); } } if (!hasPermission($config['mod']['bypass_field_disable'], $board['uri'])) { if ($config['field_disable_name']) $_POST['name'] = $config['anonymous']; // "forced anonymous" if ($config['field_disable_email']) $_POST['email'] = ''; if ($config['field_disable_password']) $_POST['password'] = ''; } // Check for a file if ($post['op'] && !isset($post['no_longer_require_an_image_for_op'])) { if (!isset($_FILES['file']['tmp_name']) || $_FILES['file']['tmp_name'] == '' && $config['force_image_op']) error($config['error']['noimage']); } $post['name'] = $_POST['name'] != '' ? $_POST['name'] : $config['anonymous']; $post['subject'] = $_POST['subject']; $post['email'] = str_replace(' ', '%20', htmlspecialchars($_POST['email'])); $post['body'] = $_POST['body']; $post['password'] = $_POST['password']; $post['has_file'] = !isset($post['embed']) && (($post['op'] && !isset($post['no_longer_require_an_image_for_op']) && $config['force_image_op']) || (isset($_FILES['file']) && $_FILES['file']['tmp_name'] != '')); if ($post['has_file']) $post['filename'] = utf8tohtml(get_magic_quotes_gpc() ? stripslashes($_FILES['file']['name']) : $_FILES['file']['name']); if (!($post['has_file'] || isset($post['embed'])) || (($post['op'] && $config['force_body_op']) || (!$post['op'] && $config['force_body']))) { $stripped_whitespace = preg_replace('/[\s]/u', '', $post['body']); if ($stripped_whitespace == '') { error($config['error']['tooshort_body']); } } // Check if thread is locked // but allow mods to post if (!$post['op'] && !hasPermission($config['mod']['postinlocked'], $board['uri'])) { if ($thread['locked']) error($config['error']['locked']); } if ($post['has_file']) { $size = $_FILES['file']['size']; if ($size > $config['max_filesize']) error(sprintf3($config['error']['filesize'], array( 'sz' => number_format($size), 'filesz' => number_format($size), 'maxsz' => number_format($config['max_filesize']) ))); } $post['capcode'] = false; if ($mod && preg_match('/^((.+) )?## (.+)$/', $post['name'], $matches)) { $name = $matches[2] != '' ? $matches[2] : $config['anonymous']; $cap = $matches[3]; if (isset($config['mod']['capcode'][$mod['type']])) { if ( $config['mod']['capcode'][$mod['type']] === true || (is_array($config['mod']['capcode'][$mod['type']]) && in_array($cap, $config['mod']['capcode'][$mod['type']]) )) { $post['capcode'] = utf8tohtml($cap); $post['name'] = $name; } } } $trip = generate_tripcode($post['name']); $post['name'] = $trip[0]; $post['trip'] = isset($trip[1]) ? $trip[1] : ''; if (strtolower($post['email']) == 'noko') { $noko = true; $post['email'] = ''; } else $noko = false; if ($post['has_file']) { $post['extension'] = strtolower(substr($post['filename'], strrpos($post['filename'], '.') + 1)); if (isset($config['filename_func'])) $post['file_id'] = $config['filename_func']($post); else $post['file_id'] = time() . substr(microtime(), 2, 3); $post['file'] = $board['dir'] . $config['dir']['img'] . $post['file_id'] . '.' . $post['extension']; $post['thumb'] = $board['dir'] . $config['dir']['thumb'] . $post['file_id'] . '.' . ($config['thumb_ext'] ? $config['thumb_ext'] : $post['extension']); } // Check string lengths if (mb_strlen($post['name']) > 35) error(sprintf($config['error']['toolong'], 'name')); if (mb_strlen($post['email']) > 40) error(sprintf($config['error']['toolong'], 'email')); if (mb_strlen($post['subject']) > 100) error(sprintf($config['error']['toolong'], 'subject')); if (!$mod && mb_strlen($post['body']) > $config['max_body']) error($config['error']['toolong_body']); if (mb_strlen($post['password']) > 20) error(sprintf($config['error']['toolong'], 'password')); wordfilters($post['body']); $post['body_nomarkup'] = $post['body']; if (!($mod && isset($post['raw']) && $post['raw'])) $post['tracked_cites'] = markup($post['body'], true); // Check for a flood if (!hasPermission($config['mod']['flood'], $board['uri']) && checkFlood($post)) { error($config['error']['flood']); } require_once 'inc/filters.php'; do_filters($post); if ($post['has_file']) { if (!in_array($post['extension'], $config['allowed_ext']) && !in_array($post['extension'], $config['allowed_ext_files'])) error($config['error']['unknownext']); $is_an_image = !in_array($post['extension'], $config['allowed_ext_files']); // Truncate filename if it is too long $post['filename'] = substr($post['filename'], 0, $config['max_filename_len']); $upload = $_FILES['file']['tmp_name']; if (!is_readable($upload)) error($config['error']['nomove']); $post['filehash'] = $config['file_hash']($upload); $post['filesize'] = filesize($upload); if ($is_an_image) { // Check IE MIME type detection XSS exploit $buffer = file_get_contents($upload, null, null, null, 255); if (preg_match($config['ie_mime_type_detection'], $buffer)) { undoImage($post); error($config['error']['mime_exploit']); } require_once 'inc/image.php'; if ($config['thumb_method'] == 'imagick') { // This is tricky, because Imagick won't let us find // an image's dimensions without loading it all into // memory first, unlike GD which provides the // getimagesize() to do exactly that. This section // is why GD is required, even when using Imagick // instead. There doesn't seem to be an alternative. // Necessary for security, as Imagick even ignores // PHP's memory limit. // first try GD's getimagesize() if ($size = @getimagesize($upload)) { if ($size[0] > $config['max_width'] || $size[1] > $config['max_height']) { error($config['error']['maxsize']); } } else { // GD failed // TODO? } } else { // find dimensions of an image using GD if (!$size = @getimagesize($upload)) { error($config['error']['invalidimg']); } if ($size[0] > $config['max_width'] || $size[1] > $config['max_height']) { error($config['error']['maxsize']); } } // create image object $image = new Image($upload, $post['extension']); if ($image->size->width > $config['max_width'] || $image->size->height > $config['max_height']) { $image->delete(); error($config['error']['maxsize']); } $post['width'] = $image->size->width; $post['height'] = $image->size->height; if ($config['spoiler_images'] && isset($_POST['spoiler'])) { $post['thumb'] = 'spoiler'; $size = @getimagesize($config['spoiler_image']); $post['thumbwidth'] = $size[0]; $post['thumbheight'] = $size[1]; } elseif ($config['minimum_copy_resize'] && $image->size->width <= $config['thumb_width'] && $image->size->height <= $config['thumb_height'] && $post['extension'] == ($config['thumb_ext'] ? $config['thumb_ext'] : $post['extension'])) { // Copy, because there's nothing to resize copy($upload, $post['thumb']); $post['thumbwidth'] = $image->size->width; $post['thumbheight'] = $image->size->height; } else { $thumb = $image->resize( $config['thumb_ext'] ? $config['thumb_ext'] : $post['extension'], $post['op'] ? $config['thumb_op_width'] : $config['thumb_width'], $post['op'] ? $config['thumb_op_height'] : $config['thumb_height'] ); $thumb->to($post['thumb']); $post['thumbwidth'] = $thumb->width; $post['thumbheight'] = $thumb->height; $thumb->_destroy(); } if ($config['redraw_image']) { $image->to($post['file']); $dont_copy_file = true; } $image->destroy(); } else { // not an image //copy($config['file_thumb'], $post['thumb']); $post['thumb'] = 'file'; $size = @getimagesize($config['file_thumb']); $post['thumbwidth'] = $size[0]; $post['thumbheight'] = $size[1]; } if (!isset($dont_copy_file) || !$dont_copy_file) { if (!@move_uploaded_file($_FILES['file']['tmp_name'], $post['file'])) error($config['error']['nomove']); } } if ($post['has_file']) { if ($config['image_reject_repost']) { if ($p = getPostByHash($post['filehash'])) { undoImage($post); error(sprintf($config['error']['fileexists'], $post['mod'] ? $config['root'] . $config['file_mod'] . '?/' : $config['root'] . $board['dir'] . $config['dir']['res'] . ($p['thread'] ? $p['thread'] . '.html#' . $p['id'] : $p['id'] . '.html' ) )); } } else if (!$post['op'] && $config['image_reject_repost_in_thread']) { if ($p = getPostByHashInThread($post['filehash'], $post['thread'])) { undoImage($post); error(sprintf($config['error']['fileexistsinthread'], $post['mod'] ? $config['root'] . $config['file_mod'] . '?/' : $config['root'] . $board['dir'] . $config['dir']['res'] . ($p['thread'] ? $p['thread'] . '.html#' . $p['id'] : $p['id'] . '.html' ) )); } } } if (!hasPermission($config['mod']['postunoriginal'], $board['uri']) && $config['robot_enable'] && checkRobot($post['body_nomarkup'])) { undoImage($post); if ($config['robot_mute']) { error(sprintf($config['error']['muted'], mute())); } else { error($config['error']['unoriginal']); } } // Remove board directories before inserting them into the database. if ($post['has_file']) { $post['file_path'] = $post['file']; $post['file'] = substr_replace($post['file'], '', 0, mb_strlen($board['dir'] . $config['dir']['img'])); if ($is_an_image && $post['thumb'] != 'spoiler') $post['thumb'] = substr_replace($post['thumb'], '', 0, mb_strlen($board['dir'] . $config['dir']['thumb'])); } $post = (object)$post; if ($error = event('post', $post)) { undoImage((array)$post); error($error); } $post = (array)$post; $post['id'] = $id = post($post); if (isset($post['antispam_hash'])) { incrementSpamHash($post['antispam_hash']); } if (isset($post['antispam_hash'])) { incrementSpamHash($post['antispam_hash']); } if (isset($post['tracked_cites'])) { foreach ($post['tracked_cites'] as $cite) { $query = prepare('INSERT INTO `cites` VALUES (:board, :post, :target_board, :target)'); $query->bindValue(':board', $board['uri']); $query->bindValue(':post', $id, PDO::PARAM_INT); $query->bindValue(':target_board',$cite[0]); $query->bindValue(':target', $cite[1], PDO::PARAM_INT); $query->execute() or error(db_error($query)); } } buildThread($post['op'] ? $id : $post['thread']); if (!$post['op'] && strtolower($post['email']) != 'sage' && !$thread['sage'] && ($config['reply_limit'] == 0 || numPosts($post['thread']) < $config['reply_limit'])) { bumpThread($post['thread']); } if ($post['op']) clean(); event('post-after', $post); buildIndex(); if (isset($_SERVER['HTTP_REFERER'])) { // Tell Javascript that we posted successfully if (isset($_COOKIE[$config['cookies']['js']])) $js = json_decode($_COOKIE[$config['cookies']['js']]); else $js = (object) array(); // Tell it to delete the cached post for referer $js->{$_SERVER['HTTP_REFERER']} = true; // Encode and set cookie setcookie($config['cookies']['js'], json_encode($js), 0, $config['cookies']['jail'] ? $config['cookies']['path'] : '/', null, false, false); } $root = $post['mod'] ? $config['root'] . $config['file_mod'] . '?/' : $config['root']; if ($config['always_noko'] || $noko) { $redirect = $root . $board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['op'] ? $id:$post['thread']) . (!$post['op'] ? '#' . $id : ''); } else { $redirect = $root . $board['dir'] . $config['file_index']; } if ($config['syslog']) _syslog(LOG_INFO, 'New post: /' . $board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['op'] ? $id : $post['thread']) . (!$post['op'] ? '#' . $id : '')); rebuildThemes('post'); header('Location: ' . $redirect, true, $config['redirect_http']); } else { if (!file_exists($config['has_installed'])) { header('Location: install.php', true, $config['redirect_http']); } else { // They opened post.php in their browser manually. error($config['error']['nopost']); } }