diff options
Diffstat (limited to 'post.php')
| -rw-r--r-- | post.php | 603 |
1 files changed, 477 insertions, 126 deletions
@@ -23,6 +23,170 @@ if ((!isset($_POST['mod']) || !$_POST['mod']) error("Board is locked"); } +$dropped_post = false; + +// Is it a post coming from NNTP? Let's extract it and pretend it's a normal post. +if (isset($_GET['Newsgroups']) && $config['nntpchan']['enabled']) { + if ($_SERVER['REMOTE_ADDR'] != $config['nntpchan']['trusted_peer']) { + error("NNTPChan: Forbidden. $_SERVER[REMOTE_ADDR] is not a trusted peer"); + } + + $_POST = array(); + $_POST['json_response'] = true; + + $headers = json_encode($_GET); + + if (!isset ($_GET['Message-Id'])) { + if (!isset ($_GET['Message-ID'])) { + error("NNTPChan: No message ID"); + } + else $msgid = $_GET['Message-ID']; + } + else $msgid = $_GET['Message-Id']; + + $groups = preg_split("/,\s*/", $_GET['Newsgroups']); + if (count($groups) != 1) { + error("NNTPChan: Messages can go to only one newsgroup"); + } + $group = $groups[0]; + + if (!isset($config['nntpchan']['dispatch'][$group])) { + error("NNTPChan: We don't synchronize $group"); + } + $xboard = $config['nntpchan']['dispatch'][$group]; + + $ref = null; + if (isset ($_GET['References'])) { + $refs = preg_split("/,\s*/", $_GET['References']); + + if (count($refs) > 1) { + error("NNTPChan: We don't support multiple references"); + } + + $ref = $refs[0]; + + $query = prepare("SELECT `board`,`id` FROM ``nntp_references`` WHERE `message_id` = :ref"); + $query->bindValue(':ref', $ref); + $query->execute() or error(db_error($query)); + + $ary = $query->fetchAll(PDO::FETCH_ASSOC); + + if (count($ary) == 0) { + error("NNTPChan: We don't have $ref that $msgid references"); + } + + $p_id = $ary[0]['id']; + $p_board = $ary[0]['board']; + + if ($p_board != $xboard) { + error("NNTPChan: Cross board references not allowed. Tried to reference $p_board on $xboard"); + } + + $_POST['thread'] = $p_id; + } + + $date = isset($_GET['Date']) ? strtotime($_GET['Date']) : time(); + + list($ct) = explode('; ', $_GET['Content-Type']); + + $query = prepare("SELECT COUNT(*) AS `c` FROM ``nntp_references`` WHERE `message_id` = :msgid"); + $query->bindValue(":msgid", $msgid); + $query->execute() or error(db_error($query)); + + $a = $query->fetch(PDO::FETCH_ASSOC); + if ($a['c'] > 0) { + error("NNTPChan: We already have this post. Post discarded."); + } + + if ($ct == 'text/plain') { + $content = file_get_contents("php://input"); + } + elseif ($ct == 'multipart/mixed' || $ct == 'multipart/form-data') { + _syslog(LOG_INFO, "MM: Files: ".print_r($GLOBALS, true)); // Debug + + $content = ''; + + $newfiles = array(); + foreach ($_FILES['attachment']['error'] as $id => $error) { + if ($_FILES['attachment']['type'][$id] == 'text/plain') { + $content .= file_get_contents($_FILES['attachment']['tmp_name'][$id]); + } + elseif ($_FILES['attachment']['type'][$id] == 'message/rfc822') { // Signed message, ignore for now + } + else { // A real attachment :^) + $file = array(); + $file['name'] = $_FILES['attachment']['name'][$id]; + $file['type'] = $_FILES['attachment']['type'][$id]; + $file['size'] = $_FILES['attachment']['size'][$id]; + $file['tmp_name'] = $_FILES['attachment']['tmp_name'][$id]; + $file['error'] = $_FILES['attachment']['error'][$id]; + + $newfiles["file$id"] = $file; + } + } + + $_FILES = $newfiles; + } + else { + error("NNTPChan: Wrong mime type: $ct"); + } + + $_POST['subject'] = isset($_GET['Subject']) ? ($_GET['Subject'] == 'None' ? '' : $_GET['Subject']) : ''; + $_POST['board'] = $xboard; + + if (isset ($_GET['From'])) { + list($name, $mail) = explode(" <", $_GET['From'], 2); + $mail = preg_replace('/>\s+$/', '', $mail); + + $_POST['name'] = $name; + //$_POST['email'] = $mail; + $_POST['email'] = ''; + } + + if (isset ($_GET['X_Sage'])) { + $_POST['email'] = 'sage'; + } + + $content = preg_replace_callback('/>>([0-9a-fA-F]{6,})/', function($id) use ($xboard) { + $id = $id[1]; + + $query = prepare("SELECT `board`,`id` FROM ``nntp_references`` WHERE `message_id_digest` LIKE :rule"); + $idx = $id . "%"; + $query->bindValue(':rule', $idx); + $query->execute() or error(db_error($query)); + + $ary = $query->fetchAll(PDO::FETCH_ASSOC); + if (count($ary) == 0) { + return ">>>>$id"; + } + else { + $ret = array(); + foreach ($ary as $v) { + if ($v['board'] != $xboard) { + $ret[] = ">>>/".$v['board']."/".$v['id']; + } + else { + $ret[] = ">>".$v['id']; + } + } + return implode($ret, ", "); + } + }, $content); + + $_POST['body'] = $content; + + $dropped_post = array( + 'date' => $date, + 'board' => $xboard, + 'msgid' => $msgid, + 'headers' => $headers, + 'from_nntp' => true, + ); +} +elseif (isset($_GET['Newsgroups'])) { + error("NNTPChan: NNTPChan support is disabled"); +} + if (isset($_POST['delete'])) { // Delete @@ -82,9 +246,11 @@ if (isset($_POST['delete'])) { if (isset($_POST['file'])) { // Delete just the file deleteFile($id); + modLog("User deleted file from his own post #$id"); } else { // Delete entire post deletePost($id); + modLog("User deleted his own post #$id"); } _syslog(LOG_INFO, 'Deleted post: ' . @@ -136,20 +302,37 @@ if (isset($_POST['delete'])) { if (count($report) > $config['report_limit']) error($config['error']['toomanyreports']); + + if ($config['report_captcha'] && !isset($_POST['captcha_text'], $_POST['captcha_cookie'])) { + error($config['error']['bot']); + } + + if ($config['report_captcha']) { + $resp = file_get_contents($config['captcha']['provider_check'] . "?" . http_build_query([ + 'mode' => 'check', + 'text' => $_POST['captcha_text'], + 'extra' => $config['captcha']['extra'], + 'cookie' => $_POST['captcha_cookie'] + ])); + + if ($resp !== '1') { + error($config['error']['captcha']); + } + } $reason = escape_markup_modifiers($_POST['reason']); markup($reason); foreach ($report as &$id) { - $query = prepare(sprintf("SELECT `thread` FROM ``posts_%s`` WHERE `id` = :id", $board['uri'])); + $query = prepare(sprintf("SELECT `id`,`thread` , `body_nomarkup` FROM ``posts_%s`` WHERE `id` = :id", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); - $thread = $query->fetchColumn(); + $thread = $query->fetch(PDO::FETCH_ASSOC); if ($config['syslog']) _syslog(LOG_INFO, 'Reported post: ' . - '/' . $board['dir'] . $config['dir']['res'] . link_for($post) . ($thread ? '#' . $id : '') . + '/' . $board['dir'] . $config['dir']['res'] . link_for($post) . ($thread['thread'] ? '#' . $id : '') . ' for "' . $reason . '"' ); $query = prepare("INSERT INTO ``reports`` VALUES (NULL, :time, :ip, :board, :post, :reason)"); @@ -159,19 +342,54 @@ if (isset($_POST['delete'])) { $query->bindValue(':post', $id, PDO::PARAM_INT); $query->bindValue(':reason', $reason, PDO::PARAM_STR); $query->execute() or error(db_error($query)); + + if ($config['slack']) + { + + function slack($message, $room = "reports", $icon = ":no_entry_sign:") + { + $room = ($room) ? $room : "reports"; + $data = "payload=" . json_encode(array( + "channel" => "#{$room}", + "text" => urlencode($message), + "icon_emoji" => $icon + )); + + // You can get your webhook endpoint from your Slack settings + // For some reason using the configuration key doesn't work + $ch = curl_init($config['slack_incoming_webhook_endpoint']); + curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); + curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); + curl_setopt($ch, CURLOPT_POSTFIELDS, $data); + curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); + $result = curl_exec($ch); + curl_close($ch); + + return $result; + } + + $postcontent = mb_substr($thread['body_nomarkup'], 0, 120) . '... _*(POST TRIMMED)*_'; + $slackmessage = '<' .$config['domain'] . "/mod.php?/" . $board['dir'] . $config['dir']['res'] . ( $thread['thread'] ? $thread['thread'] : $id ) . ".html" . ($thread['thread'] ? '#' . $id : '') . '> \n ' . $reason . '\n ' . $postcontent . '\n'; + + $slackresult = slack($slackmessage, $config['slack_channel']); + + } + + } $is_mod = isset($_POST['mod']) && $_POST['mod']; $root = $is_mod ? $config['root'] . $config['file_mod'] . '?/' : $config['root']; if (!isset($_POST['json_response'])) { - header('Location: ' . $root . $board['dir'] . $config['file_index'], true, $config['redirect_http']); + $index = $root . $board['dir'] . $config['file_index']; + echo Element('page.html', array('config' => $config, 'body' => '<div style="text-align:center"><a href="javascript:window.close()">[ ' . _('Close window') ." ]</a> <a href='$index'>[ " . _('Return') . ' ]</a></div>', 'title' => _('Report submitted!'))); } else { header('Content-Type: text/json'); echo json_encode(array('success' => true)); } -} elseif (isset($_POST['post'])) { - if (!isset($_POST['body'], $_POST['board'])) +} elseif (isset($_POST['post']) || $dropped_post) { + if (!isset($_POST['body'], $_POST['board']) && !$dropped_post) error($config['error']['bot']); $post = array('board' => $_POST['board'], 'files' => array()); @@ -198,66 +416,72 @@ if (isset($_POST['delete'])) { } else $post['op'] = true; - // Check for CAPTCHA right after opening the board so the "return" link is in there - if ($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($config['error']['captcha']); + + if (!$dropped_post) { + // 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['op'] && $_POST['post'] == $config['button_newtopic']) || - (!$post['op'] && $_POST['post'] == $config['button_reply']))) - error($config['error']['bot']); + if (!(($post['op'] && $_POST['post'] == $config['button_newtopic']) || + (!$post['op'] && $_POST['post'] == $config['button_reply']))) + error($config['error']['bot']); - // Check the referrer - if ($config['referer_match'] !== false && - (!isset($_SERVER['HTTP_REFERER']) || !preg_match($config['referer_match'], rawurldecode($_SERVER['HTTP_REFERER'])))) - error($config['error']['referer']); + // Check the referrer + if ($config['referer_match'] !== false && + (!isset($_SERVER['HTTP_REFERER']) || !preg_match($config['referer_match'], rawurldecode($_SERVER['HTTP_REFERER'])))) + error($config['error']['referer']); - checkDNSBL(); + checkDNSBL(); - // Check if banned - checkBan($board['uri']); + // Check if banned + checkBan($board['uri']); - if ($post['mod'] = isset($_POST['mod']) && $_POST['mod']) { - require 'inc/mod/auth.php'; - if (!$mod) { - // Liar. You're not a mod. - error($config['error']['notamod']); - } + if ($post['mod'] = isset($_POST['mod']) && $_POST['mod']) { + check_login(false); + if (!$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']); + $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 ($post['sticky'] && !hasPermission($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']) ? $post['thread'] : ($config['try_smarter'] && isset($_POST['page']) ? 0 - (int)$_POST['page'] : null))); + if ($post['antispam_hash'] === true) + error($config['error']['spam']); + } - if (!$post['mod']) { - $post['antispam_hash'] = checkSpam(array($board['uri'], isset($post['thread']) ? $post['thread'] : ($config['try_smarter'] && isset($_POST['page']) ? 0 - (int)$_POST['page'] : null))); - if ($post['antispam_hash'] === true) - error($config['error']['spam']); + if ($config['robot_enable'] && $config['robot_mute']) { + checkMute(); + } } - - if ($config['robot_enable'] && $config['robot_mute']) { - checkMute(); + else { + $mod = $post['mod'] = false; } //Check if thread exists if (!$post['op']) { - $query = prepare(sprintf("SELECT `sticky`,`locked`,`sage`,`slug` FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri'])); + $query = prepare(sprintf("SELECT `sticky`,`locked`,`cycle`,`sage`,`slug` FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri'])); $query->bindValue(':id', $post['thread'], PDO::PARAM_INT); $query->execute() or error(db_error()); @@ -363,28 +587,36 @@ if (isset($_POST['delete'])) { $post['email'] = str_replace(' ', '%20', htmlspecialchars($_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']) && $config['force_image_op']) || !empty($_FILES['file']['name']))); + $post['has_file'] = (!isset($post['embed']) && (($post['op'] && !isset($post['no_longer_require_an_image_for_op']) && $config['force_image_op']) || count($_FILES) > 0)); - 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($config['error']['tooshort_body']); + if (!$dropped_post) { + + 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($config['error']['tooshort_body']); + } } - } - if (!$post['op']) { - // Check if thread is locked - // but allow mods to post - if ($thread['locked'] && !hasPermission($config['mod']['postinlocked'], $board['uri'])) - error($config['error']['locked']); + if (!$post['op']) { + // Check if thread is locked + // but allow mods to post + if ($thread['locked'] && !hasPermission($config['mod']['postinlocked'], $board['uri'])) + error($config['error']['locked']); - $numposts = numPosts($post['thread']); + $numposts = numPosts($post['thread']); - if ($config['reply_hard_limit'] != 0 && $config['reply_hard_limit'] <= $numposts['replies']) - error($config['error']['reply_hard_limit']); + if ($config['reply_hard_limit'] != 0 && $config['reply_hard_limit'] <= $numposts['replies']) + error($config['error']['reply_hard_limit']); - if ($post['has_file'] && $config['image_hard_limit'] != 0 && $config['image_hard_limit'] <= $numposts['images']) - error($config['error']['image_hard_limit']); + if ($post['has_file'] && $config['image_hard_limit'] != 0 && $config['image_hard_limit'] <= $numposts['images']) + error($config['error']['image_hard_limit']); + } + } + else { + if (!$post['op']) { + $numposts = numPosts($post['thread']); + } } if ($post['has_file']) { @@ -434,7 +666,7 @@ if (isset($_POST['delete'])) { $trip = generate_tripcode($post['name']); $post['name'] = $trip[0]; - $post['trip'] = isset($trip[1]) ? $trip[1] : ''; + $post['trip'] = isset($trip[1]) ? $trip[1] : ''; // XX: Dropped posts and tripcodes $noko = false; if (strtolower($post['email']) == 'noko') { @@ -449,7 +681,7 @@ if (isset($_POST['delete'])) { $i = 0; foreach ($_FILES as $key => $file) { if ($file['size'] && $file['tmp_name']) { - $file['filename'] = urldecode(get_magic_quotes_gpc() ? stripslashes($file['name']) : $file['name']); + $file['filename'] = urldecode($file['name']); $file['extension'] = strtolower(mb_substr($file['filename'], mb_strrpos($file['filename'], '.') + 1)); if (isset($config['filename_func'])) $file['file_id'] = $config['filename_func']($file); @@ -469,15 +701,17 @@ if (isset($_POST['delete'])) { if (empty($post['files'])) $post['has_file'] = false; - // Check for a file - if ($post['op'] && !isset($post['no_longer_require_an_image_for_op'])) { - if (!$post['has_file'] && $config['force_image_op']) - error($config['error']['noimage']); - } + if (!$dropped_post) { + // Check for a file + if ($post['op'] && !isset($post['no_longer_require_an_image_for_op'])) { + if (!$post['has_file'] && $config['force_image_op']) + error($config['error']['noimage']); + } - // Check for too many files - if (sizeof($post['files']) > $config['max_images']) - error($config['error']['toomanyimages']); + // Check for too many files + if (sizeof($post['files']) > $config['max_images']) + error($config['error']['toomanyimages']); + } if ($config['strip_combining_chars']) { $post['name'] = strip_combining_chars($post['name']); @@ -486,18 +720,19 @@ if (isset($_POST['delete'])) { $post['body'] = strip_combining_chars($post['body']); } - // 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')); - + if (!$dropped_post) { + // Check string lengths + if (mb_strlen($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']); $post['body'] = escape_markup_modifiers($post['body']); @@ -506,6 +741,7 @@ if (isset($_POST['delete'])) { $post['body'] .= "\n<tinyboard raw html>1</tinyboard>"; } + if (!$dropped_post) if (($config['country_flags'] && !$config['allow_no_country']) || ($config['country_flags'] && $config['allow_no_country'] && !isset($_POST['no_country']))) { require 'inc/lib/geoip/geoip.inc'; $gi=geoip\geoip_open('inc/lib/geoip/GeoIPv6.dat', GEOIP_STANDARD); @@ -547,6 +783,7 @@ if (isset($_POST['delete'])) { $post['body'] .= "\n<tinyboard tag>" . $_POST['tag'] . "</tinyboard>"; } + if (!$dropped_post) if ($config['proxy_save'] && isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $proxy = preg_replace("/[^0-9a-fA-F.,: ]/", '', $_SERVER['HTTP_X_FORWARDED_FOR']); $post['body'] .= "\n<tinyboard proxy>".$proxy."</tinyboard>"; @@ -574,7 +811,12 @@ if (isset($_POST['delete'])) { if ($post['has_file']) { - $fnarray = array(); + $md5cmd = false; + if ($config['bsd_md5']) $md5cmd = '/sbin/md5 -r'; + if ($config['gnu_md5']) $md5cmd = 'md5sum'; + + $allhashes = ''; + foreach ($post['files'] as $key => &$file) { if ($post['op'] && $config['allowed_ext_op']) { if (!in_array($file['extension'], $config['allowed_ext_op'])) @@ -588,51 +830,48 @@ if (isset($_POST['delete'])) { // Truncate filename if it is too long $file['filename'] = mb_substr($file['filename'], 0, $config['max_filename_len']); - if (!isset($filenames)) { - $filenames = escapeshellarg($file['tmp_name']); - } else { - $filenames .= (' ' . escapeshellarg($file['tmp_name'])); - } - - $fnarray[] = $file['tmp_name']; - $upload = $file['tmp_name']; if (!is_readable($upload)) error($config['error']['nomove']); + + if ($md5cmd) { + $output = shell_exec_error($md5cmd . " " . escapeshellarg($upload)); + $output = explode(' ', $output); + $hash = $output[0]; + } + else { + $hash = md5_file($upload); + } + + $file['hash'] = $hash; + $allhashes .= $hash; } - - $md5cmd = $config['bsd_md5'] ? 'md5 -r' : 'md5sum'; - if (!$config['php_md5'] && $output = shell_exec_error("cat $filenames | $md5cmd")) { - $explodedvar = explode(' ', $output); - $hash = $explodedvar[0]; + if (count ($post['files']) == 1) { $post['filehash'] = $hash; - } elseif ($config['max_images'] === 1) { - $post['filehash'] = md5_file($upload); - } else { - $str_to_hash = ''; - foreach ($fnarray as $i => $f) { - $str_to_hash .= file_get_contents($f); - } - $post['filehash'] = md5($str_to_hash); + } + else { + $post['filehash'] = md5($allhashes); } } - - if (!hasPermission($config['mod']['bypass_filters'], $board['uri'])) { - require_once 'inc/filters.php'; - + + if (!hasPermission($config['mod']['bypass_filters'], $board['uri']) && !$dropped_post) { + require_once 'inc/filters.php'; + do_filters($post); } - - if ($post['has_file']) { + + if ($post['has_file']) { foreach ($post['files'] as $key => &$file) { - if ($file['is_an_image'] && $config['ie_mime_type_detection'] !== false) { - // 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($config['error']['mime_exploit']); + if ($file['is_an_image']) { + if ($config['ie_mime_type_detection'] !== false) { + // 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($config['error']['mime_exploit']); + } } require_once 'inc/image.php'; @@ -641,6 +880,9 @@ if (isset($_POST['delete'])) { if (!$size = @getimagesize($file['tmp_name'])) { error($config['error']['invalidimg']); } + if (!in_array($size[2], array(IMAGETYPE_PNG, IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_BMP))) { + error($config['error']['invalidimg']); + } if ($size[0] > $config['max_width'] || $size[1] > $config['max_height']) { error($config['error']['maxsize']); } @@ -748,6 +990,34 @@ if (isset($_POST['delete'])) { $file['thumbwidth'] = $size[0]; $file['thumbheight'] = $size[1]; } + + if ($config['tesseract_ocr'] && $file['thumb'] != 'file') { // Let's OCR it! + $fname = $file['tmp_name']; + + if ($file['height'] > 500 || $file['width'] > 500) { + $fname = $file['thumb']; + } + + if ($fname == 'spoiler') { // We don't have that much CPU time, do we? + } + else { + $tmpname = "tmp/tesseract/".rand(0,10000000); + + // Preprocess command is an ImageMagick b/w quantization + $error = shell_exec_error(sprintf($config['tesseract_preprocess_command'], escapeshellarg($fname)) . " | " . + 'tesseract stdin '.escapeshellarg($tmpname).' '.$config['tesseract_params']); + $tmpname .= ".txt"; + + $value = @file_get_contents($tmpname); + @unlink($tmpname); + + if ($value && trim($value)) { + // This one has an effect, that the body is appended to a post body. So you can write a correct + // spamfilter. + $post['body_nomarkup'] .= "<tinyboard ocr image $key>".htmlspecialchars($value)."</tinyboard>"; + } + } + } if (!isset($dont_copy_file) || !$dont_copy_file) { if (isset($file['file_tmp'])) { @@ -788,7 +1058,12 @@ if (isset($_POST['delete'])) { } } - if (!hasPermission($config['mod']['postunoriginal'], $board['uri']) && $config['robot_enable'] && checkRobot($post['body_nomarkup'])) { + // Do filters again if OCRing + if ($config['tesseract_ocr'] && !hasPermission($config['mod']['bypass_filters'], $board['uri']) && !$dropped_post) { + do_filters($post); + } + + if (!hasPermission($config['mod']['postunoriginal'], $board['uri']) && $config['robot_enable'] && checkRobot($post['body_nomarkup']) && !$dropped_post) { undoImage($post); if ($config['robot_mute']) { error(sprintf($config['error']['muted'], mute())); @@ -827,7 +1102,83 @@ if (isset($_POST['delete'])) { $post['id'] = $id = post($post); $post['slug'] = slugify($post); + + if ($dropped_post && $dropped_post['from_nntp']) { + $query = prepare("INSERT INTO ``nntp_references`` (`board`, `id`, `message_id`, `message_id_digest`, `own`, `headers`) VALUES ". + "(:board , :id , :message_id , :message_id_digest , false, :headers)"); + + $query->bindValue(':board', $dropped_post['board']); + $query->bindValue(':id', $id); + $query->bindValue(':message_id', $dropped_post['msgid']); + $query->bindValue(':message_id_digest', sha1($dropped_post['msgid'])); + $query->bindValue(':headers', $dropped_post['headers']); + $query->execute() or error(db_error($query)); + } // ^^^^^ For inbound posts ^^^^^ + elseif ($config['nntpchan']['enabled'] && $config['nntpchan']['group']) { + // vvvvv For outbound posts vvvvv + + require_once('inc/nntpchan/nntpchan.php'); + $msgid = gen_msgid($post['board'], $post['id']); + + list($headers, $files) = post2nntp($post, $msgid); + + $message = gen_nntp($headers, $files); + + $query = prepare("INSERT INTO ``nntp_references`` (`board`, `id`, `message_id`, `message_id_digest`, `own`, `headers`) VALUES ". + "(:board , :id , :message_id , :message_id_digest , true , :headers)"); + + $query->bindValue(':board', $post['board']); + $query->bindValue(':id', $post['id']); + $query->bindValue(':message_id', $msgid); + $query->bindValue(':message_id_digest', sha1($msgid)); + $query->bindValue(':headers', json_encode($headers)); + $query->execute() or error(db_error($query)); + + // Let's broadcast it! + nntp_publish($message, $msgid); + } + insertFloodPost($post); + + // Handle cyclical threads + if (!$post['op'] && isset($thread['cycle']) && $thread['cycle']) { + // Query is a bit weird due to "This version of MariaDB doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery'" (MariaDB Ver 15.1 Distrib 10.0.17-MariaDB, for Linux (x86_64)) + $query = prepare(sprintf('DELETE FROM ``posts_%s`` WHERE `thread` = :thread AND `id` NOT IN (SELECT `id` FROM (SELECT `id` FROM ``posts_%s`` WHERE `thread` = :thread ORDER BY `id` DESC LIMIT :limit) i)', $board['uri'], $board['uri'])); + $query->bindValue(':thread', $post['thread']); + $query->bindValue(':limit', $config['cycle_limit'], PDO::PARAM_INT); + $query->execute() or error(db_error($query)); + if ($config['slack']) + { + function slack($message, $room = "reports", $icon = ":no_entry_sign:") + { + $room = ($room) ? $room : "reports"; + $data = "payload=" . json_encode(array( + "channel" => "#{$room}", + "text" => urlencode($message), + "icon_emoji" => $icon + )); + + // You can get your webhook endpoint from your Slack settings + // For some reason using the configuration key doesn't work + $ch = curl_init($config['slack_incoming_webhook_endpoint']); + curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); + curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); + curl_setopt($ch, CURLOPT_POSTFIELDS, $data); + curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); + $result = curl_exec($ch); + curl_close($ch); + + return $result; + } + + $postcontent = mb_substr($thread['body_nomarkup'], 0, 120) . '... _*(POST TRIMMED)*_'; + $slackmessage = '<' .$config['domain'] . "/mod.php?/" . $board['dir'] . $config['dir']['res'] . ( $thread['thread'] ? $thread['thread'] : $id ) . ".html" . ($thread['thread'] ? '#' . $id : '') . '> \n ' . $reason . '\n ' . $postcontent . '\n'; + + $slackresult = slack($slackmessage, $config['slack_channel']); + } + + + } if (isset($post['antispam_hash'])) { incrementSpamHash($post['antispam_hash']); @@ -907,7 +1258,7 @@ if (isset($_POST['delete'])) { $build_pages = range(1, $config['max_pages']); if ($post['op']) - clean(); + clean($id); event('post-after', $post); |