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post.php
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post.php
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<?php
/*
* Copyright (c) 2010-2014 Tinyboard Development Group
*/
require "./inc/functions.php";
require "./inc/anti-bot.php";
// Fix for magic quotes
if (get_magic_quotes_gpc()) {
function strip_array($var) {
return is_array($var) ? array_map('strip_array', $var) : stripslashes($var);
}
$_GET = strip_array($_GET);
$_POST = strip_array($_POST);
}
if (isset($_POST['delete'])) {
// Delete
if (!isset($_POST['board'], $_POST['password']))
error($config['error']['bot']);
$password = &$_POST['password'];
if ($password == '')
error($config['error']['invalidpassword']);
$delete = array();
foreach ($_POST as $post => $value) {
if (preg_match('/^delete_(\d+)$/', $post, $m)) {
$delete[] = (int)$m[1];
}
}
if (checkDNSBL()) error("Tor users may not delete posts.");
// Check if board exists
if (!openBoard($_POST['board']))
error($config['error']['noboard']);
// Check if banned
checkBan($board['uri']);
// Check if deletion enabled
if (!$config['allow_delete'])
error(_('Users are not allowed to delete their own posts on this board.'));
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(PDO::FETCH_ASSOC)) {
$thread = false;
if ($config['user_moderation'] && $post['thread']) {
$thread_query = prepare(sprintf("SELECT `time`,`password` FROM ``posts_%s`` WHERE `id` = :id", $board['uri']));
$thread_query->bindValue(':id', $post['thread'], PDO::PARAM_INT);
$thread_query->execute() or error(db_error($query));
$thread = $thread_query->fetch(PDO::FETCH_ASSOC);
}
if ($password != '' && $post['password'] != $password && (!$thread || $thread['password'] != $password))
error($config['error']['invalidpassword']);
if ($post['time'] > time() - $config['delete_time'] && (!$thread || $thread['password'] != $password)) {
error(sprintf($config['error']['delete_too_soon'], until($post['time'] + $config['delete_time'])));
}
if (isset($_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: ' .
'/' . $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'] . '?/' : $config['root'];
if (!isset($_POST['json_response'])) {
header('Location: ' . $root . $board['dir'] . $config['file_index'], true, $config['redirect_http']);
} else {
header('Content-Type: text/json');
echo json_encode(array('success' => true));
}
// We are already done, let's continue our heavy-lifting work in the background (if we run off FastCGI)
if (function_exists('fastcgi_finish_request'))
@fastcgi_finish_request();
rebuildThemes('post-delete', $board['uri']);
} elseif (isset($_POST['report'])) {
if (!isset($_POST['board'], $_POST['reason']))
error($config['error']['bot']);
$report = array();
foreach ($_POST as $post => $value) {
if (preg_match('/^delete_(\d+)$/', $post, $m)) {
$report[] = (int)$m[1];
}
}
if (checkDNSBL()) error("Tor users may not report posts.");
// 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']);
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 = $config['error']['captcha'];
}
}
if (isset($error)) {
if ($config['report_captcha']) {
$captcha = generate_captcha($config['captcha']['extra']);
} else {
$captcha = null;
}
$body = Element('report.html', array('board' => $board, 'config' => $config, 'error' => $error, 'reason_prefill' => $_POST['reason'], 'post' => 'delete_'.$report[0], 'captcha' => $captcha, 'global' => isset($_POST['global'])));
echo Element('page.html', ['config' => $config, 'body' => $body]);
die();
}
$reason = escape_markup_modifiers($_POST['reason']);
markup($reason);
foreach ($report as &$id) {
$query = prepare(
"SELECT
`thread`,
`post_clean`.`clean_local`,
`post_clean`.`clean_global`
FROM `posts_{$board['uri']}`
LEFT JOIN `post_clean`
ON `post_clean`.`board_id` = '{$board['uri']}'
AND `post_clean`.`post_id` = :id
WHERE `id` = :id"
);
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
if( $post = $query->fetch(PDO::FETCH_ASSOC) ) {
$report_local = !$post['clean_local'];
$report_global = isset($_POST['global']) && !$post['clean_global'];
if( $report_local || $report_global ) {
$thread = $post['thread'];
if ($config['syslog']) {
_syslog(LOG_INFO, 'Reported post: ' .
'/' . $board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $thread ? $thread : $id) . ($thread ? '#' . $id : '') .
' for "' . $reason . '"'
);
}
$query = prepare("INSERT INTO `reports` (`time`, `ip`, `board`, `post`, `reason`, `local`, `global`) VALUES (:time, :ip, :board, :post, :reason, :local, :global)");
$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->bindValue(':local', $report_local, PDO::PARAM_BOOL);
$query->bindValue(':global', $report_global, PDO::PARAM_BOOL);
$query->execute() or error(db_error($query));
}
}
}
$is_mod = isset($_POST['mod']) && $_POST['mod'];
$root = $is_mod ? $config['root'] . $config['file_mod'] . '?/' : $config['root'];
if (!isset($_POST['json_response'])) {
$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'], $_POST['board'])) {
error($config['error']['bot']);
}
$post = array(
'board' => $_POST['board'],
'files' => array(),
'time' => time(), // Timezone independent UNIX timecode.
);
// Check if board exists
if (!openBoard($post['board']))
error($config['error']['noboard']);
if (!isset($_POST['name']))
$_POST['name'] = $config['anonymous'];
if (!isset($_POST['email']))
$_POST['email'] = '';
if (!isset($_POST['subject']))
$_POST['subject'] = '';
if (!isset($_POST['password']))
$_POST['password'] = '';
if (isset($_POST['thread'])) {
$post['op'] = false;
$post['thread'] = round($_POST['thread']);
} else
$post['op'] = true;
// The dnsbls is an optional DNS blacklist include.
// Squelch warnings if it doesn't exist.
if (!$config['captcha']['enabled'] && !($post['op'] && $config['new_thread_capt'])) {
@include "./inc/dnsbls.php";
}
// Check if banned
checkBan($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($config['error']['captcha']);
}
}
// Same, but now with our custom captcha provider
//if ($config['captcha']['enabled']) {
//New thread captcha
if (($config['captcha']['enabled']) || (($post['op']) && ($config['new_thread_capt'])) ) {
$resp = file_get_contents($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($config['error']['captcha'] .
'<script>if (actually_load_captcha !== undefined) actually_load_captcha("'.$config['captcha']['provider_get'].'", "'.$config['captcha']['extra'].'");</script>');
}
}
//if (!(($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($config['error']['referer']);
}
if ($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']);
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 && $config['enable_antibot'])
error($config['error']['spam']);
}
if ($config['robot_enable'] && $config['robot_mute']) {
checkMute();
}
//Check if thread exists
if (!$post['op']) {
$query = prepare(sprintf("SELECT `sticky`,`locked`,`cycle`,`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 = $query->fetch(PDO::FETCH_ASSOC)) {
// Non-existant
error($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 &$embed) {
if (preg_match($embed[0], $value)) {
// Valid link
$post['embed'] = $value;
// This is bad, lol.
$post['no_longer_require_an_image_for_op'] = true;
break;
}
}
if (!isset($post['embed'])) {
error($config['error']['invalid_embed']);
}
if ($config['image_reject_repost']) {
if ($p = getPostByEmbed($post['embed'])) {
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 = getPostByEmbedInThread($post['embed'], $post['thread'])) {
error(sprintf($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']['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_email_selectbox'] && $_POST['email'] != 'sage')
$_POST['email'] = '';
if ($config['field_disable_password'])
$_POST['password'] = '';
if ($config['field_disable_subject'] || (!$post['op'] && $config['field_disable_reply_subject']))
$_POST['subject'] = '';
}
if ($config['allow_upload_by_url'] && isset($_POST['file_url']) && !empty($_POST['file_url'])) {
$post['file_url'] = $_POST['file_url'];
if (!preg_match('@^https?://@', $post['file_url']))
error($config['error']['invalidimg']);
if (mb_strpos($post['file_url'], '?') !== false)
$url_without_params = mb_substr($post['file_url'], 0, mb_strpos($post['file_url'], '?'));
else
$url_without_params = $post['file_url'];
$post['extension'] = strtolower(mb_substr($url_without_params, mb_strrpos($url_without_params, '.') + 1));
if ($post['op'] && $config['allowed_ext_op']) {
if (!in_array($post['extension'], $config['allowed_ext_op']))
error($config['error']['unknownext']);
}
else if (!in_array($post['extension'], $config['allowed_ext']) && !in_array($post['extension'], $config['allowed_ext_files']))
error($config['error']['unknownext']);
$post['file_tmp'] = tempnam($config['tmp'], 'url');
function unlink_tmp_file($file) {
@unlink($file);
fatal_error_handler();
}
register_shutdown_function('unlink_tmp_file', $post['file_tmp']);
$fp = fopen($post['file_tmp'], 'w');
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $post['file_url']);
curl_setopt($curl, CURLOPT_FAILONERROR, true);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, false);
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($curl, CURLOPT_TIMEOUT, $config['upload_by_url_timeout']);
curl_setopt($curl, CURLOPT_USERAGENT, 'Tinyboard');
curl_setopt($curl, CURLOPT_BINARYTRANSFER, true);
curl_setopt($curl, CURLOPT_FILE, $fp);
curl_setopt($curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
if (curl_exec($curl) === false)
error($config['error']['nomove'] . '<br/>Curl says: ' . curl_error($curl));
curl_close($curl);
fclose($fp);
$_FILES['file'] = array(
'name' => basename($url_without_params),
'tmp_name' => $post['file_tmp'],
'file_tmp' => true,
'error' => 0,
'size' => filesize($post['file_tmp'])
);
}
$post['name'] = $_POST['name'] != '' ? $_POST['name'] : $config['anonymous'];
$post['subject'] = $_POST['subject'];
$post['email'] = str_replace(' ', '%20', htmlspecialchars($_POST['email']));
if (isset($_POST['no-bump'])) {
if (!empty($post['email'])) {
$post['email'] .= '+sage';
} else {
$post['email'] = 'sage';
}
}
$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'])));
// Handle our Tor users
$tor = checkDNSBL();
if ($tor && !(isset($_SERVER['HTTP_X_TOR'], $_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] == '127.0.0.2' && $_SERVER['HTTP_X_TOR'] = 'true'))
error('To post on 8chan over Tor, you must use the hidden service for security reasons. You can find it at <a href="http://fullchan4jtta4sx.onion">http://fullchan4jtta4sx.onion</a>.');
if ($tor && $post['has_file'] && !$config['tor_image_posting'])
error('Sorry. Tor users can\'t upload files on this board.');
if ($tor && !$config['tor_posting'])
error('Sorry. The owner of this board has decided not to allow Tor posters for some reason...');
if ($post['has_file'] && $config['disable_images']) {
error($config['error']['images_disabled']);
}
if (!($post['has_file'] || isset($post['embed'])) || (($post['op'] && $config['force_body_op']) || (!$post['op'] && $config['force_body']))) {
// http://stackoverflow.com/a/4167053
$stripped_whitespace = preg_replace('/^[\pZ\pC]+|[\pZ\pC]+$/u', '', $post['body']);
if ($stripped_whitespace == '') {
error($config['error']['tooshort_body']);
}
}
if ($config['force_subject_op'] && $post['op']) {
$stripped_whitespace = preg_replace('/^[\pZ\pC]+|[\pZ\pC]+$/u', '', $post['subject']);
if ($stripped_whitespace == '') {
error(_('It is required to enter a subject when starting a new thread on this board.'));
}
}
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']);
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']) {
// Determine size sanity
$size = 0;
if ($config['multiimage_method'] == 'split') {
foreach ($_FILES as $key => $file) {
$size += $file['size'];
}
} elseif ($config['multiimage_method'] == 'each') {
foreach ($_FILES as $key => $file) {
if ($file['size'] > $size) {
$size = $file['size'];
}
}
} else {
error(_('Unrecognized file size determination method.'));
}
if ($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['filesize'] = $size;
}
$post['capcode'] = false;
if ($mod && preg_match('/^((.+) )?## (.+)$/', $post['name'], $matches) && (in_array($board['uri'], $mod['boards']) or $mod['boards'][0] == '*')) {
$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] : '';
$noko = false;
if (strtolower($post['email']) == 'noko') {
$noko = true;
$post['email'] = '';
} elseif (strtolower($post['email']) == 'nonoko'){
$noko = false;
$post['email'] = '';
} else $noko = $config['always_noko'];
if ($post['has_file']) {
$i = 0;
foreach ($_FILES as $key => $file) {
if ($file['size'] && $file['tmp_name']) {
$file['filename'] = urldecode(get_magic_quotes_gpc() ? stripslashes($file['name']) : $file['name']);
$file['extension'] = strtolower(mb_substr($file['filename'], mb_strrpos($file['filename'], '.') + 1));
if (isset($config['filename_func']))
$file['file_id'] = $config['filename_func']($file);
else
$file['file_id'] = time() . substr(microtime(), 2, 3);
if (sizeof($_FILES) > 1)
$file['file_id'] .= "-$i";
$file['file'] = $config['dir']['img_root'] . $board['dir'] . $config['dir']['img'] . $file['file_id'] . '.' . $file['extension'];
while (file_exists ($file['file'])) {
$file['file_id'] .= rand(0,9);
$file['file'] = $config['dir']['img_root'] . $board['dir'] . $config['dir']['img'] . $file['file_id'] . '.' . $file['extension'];
}
$file['thumb'] = $config['dir']['img_root'] . $board['dir'] . $config['dir']['thumb'] . $file['file_id'] . '.' . ($config['thumb_ext'] ? $config['thumb_ext'] : $file['extension']);
$post['files'][] = $file;
$i++;
}
}
}
if (empty($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']);
}
// 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']);
$post['email'] = strip_combining_chars($post['email']);
$post['subject'] = strip_combining_chars($post['subject']);
$post['body'] = strip_combining_chars($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['body']) < $config['min_body'] && $post['op'])
error(sprintf(_('OP must be at least %d chars on this board.'), $config['min_body']));
if (mb_strlen($post['password']) > 20)
error(sprintf($config['error']['toolong'], 'password'));
wordfilters($post['body']);
if ($config['max_newlines'] > 0) {
preg_match_all("/\n/", $post['body'], $nlmatches);
if (isset($nlmatches[0]) && sizeof($nlmatches[0]) > $config['max_newlines'])
error(sprintf(_('Your post contains too many lines. This board only allows %d maximum.'), $config['max_newlines']));
}
$post['body'] = escape_markup_modifiers($post['body']);
if ($mod && isset($post['raw']) && $post['raw']) {
$post['body'] .= "\n<tinyboard raw html>1</tinyboard>";
}
if (($config['country_flags'] && (!$config['allow_no_country'] || $config['force_flag'])) || ($config['country_flags'] && $config['allow_no_country'] && !isset($_POST['no_country']))) {
require 'inc/lib/geoip/geoip.inc';
$gi=geoip\geoip_open('inc/lib/geoip/GeoIPv6.dat', GEOIP_STANDARD);
function ipv4to6($ip) {
if (strpos($ip, ':') !== false) {
if (strpos($ip, '.') > 0)
$ip = substr($ip, strrpos($ip, ':')+1);
else return $ip; //native ipv6
}
$iparr = array_pad(explode('.', $ip), 4, 0);
$part7 = base_convert(($iparr[0] * 256) + $iparr[1], 10, 16);
$part8 = base_convert(($iparr[2] * 256) + $iparr[3], 10, 16);
return '::ffff:'.$part7.':'.$part8;
}
$country_code = geoip\geoip_country_code_by_addr_v6($gi, ipv4to6($_SERVER['REMOTE_ADDR']));
$country_name = geoip\geoip_country_name_by_addr_v6($gi, ipv4to6($_SERVER['REMOTE_ADDR']));
if (!$country_code) $country_code = 'A1';
if (!$country_name) $country_name = 'Unknown';
$post['body'] .= "\n<tinyboard flag>".strtolower($country_code)."</tinyboard>".
"\n<tinyboard flag alt>$country_name</tinyboard>";
}
if ($config['user_flag'] && isset($_POST['user_flag'])) {
if (!empty($_POST['user_flag']) ){
$user_flag = $_POST['user_flag'];
if (!isset($config['user_flags'][$user_flag]))
error(_('Invalid flag selection!'));
$flag_alt = isset($user_flag_alt) ? $user_flag_alt : $config['user_flags'][$user_flag];
$post['body'] .= "\n<tinyboard flag>" . strtolower($user_flag) . "</tinyboard>" .
"\n<tinyboard flag alt>" . $flag_alt . "</tinyboard>";
} else if ($config['force_flag']) {
error(_('You must choose a flag to post on this board!'));
}
}
if ($config['allowed_tags'] && $post['op'] && isset($_POST['tag']) && $_POST['tag'] && isset($config['allowed_tags'][$_POST['tag']])) {
$post['body'] .= "\n<tinyboard tag>" . $_POST['tag'] . "</tinyboard>";
}
if (mysql_version() >= 50503) {
$post['body_nomarkup'] = $post['body']; // Assume we're using the utf8mb4 charset
}
else {
// MySQL's `utf8` charset only supports up to 3-byte symbols
// Remove anything >= 0x010000
$chars = preg_split('//u', $post['body'], -1, PREG_SPLIT_NO_EMPTY);
$post['body_nomarkup'] = '';
foreach ($chars as $char) {
$o = 0;
$ord = ordutf8($char, $o);
if ($ord >= 0x010000)
continue;
$post['body_nomarkup'] .= $char;
}
}
$post['tracked_cites'] = markup($post['body'], true, $post['op']);
if ($post['has_file']) {
$allhashes = '';
foreach ($post['files'] as $key => &$file) {
if ($post['op'] && $config['allowed_ext_op']) {
if (!in_array($file['extension'], $config['allowed_ext_op']))
error($config['error']['unknownext']);
}
elseif (!in_array($file['extension'], $config['allowed_ext']) && !in_array($file['extension'], $config['allowed_ext_files']))
error($config['error']['unknownext']);
$file['is_an_image'] = !in_array($file['extension'], $config['allowed_ext_files']);
// Truncate filename if it is too long
$file['filename'] = mb_substr($file['filename'], 0, $config['max_filename_len']);
$upload = $file['tmp_name'];
if (!is_readable($upload))
error($config['error']['nomove']);
$md5cmd = $config['bsd_md5'] ? 'md5 -r' : 'md5sum';
if( ($output = shell_exec_error("cat " . escapeshellarg($upload) . " | $md5cmd")) !== false ) {
$explodedvar = explode(' ', $output);
$hash = $explodedvar[0];
} else {
$hash = md5_file($upload);
}
// filter files by MD5
$query = prepare('SELECT * FROM ``filters`` WHERE `type` = "md5" and `value` = :value');
$query->bindValue(':value', $hash);
$result = $query->execute() or error(db_error());
if ($row = $query->fetch()) {
$reason = utf8tohtml($row['reason']);
error("Sorry, cannot upload. Matched MD5 of disallowed file. Reason: {$reason}");
}
$file['hash'] = $hash;
$allhashes .= $hash;
}
if (count($post['files']) == 1) {
$post['filehash'] = $hash;
} else {
$post['filehash'] = md5($allhashes);
}
}
if (!hasPermission($config['mod']['bypass_filters'], $board['uri'])) {
require_once 'inc/filters.php';
do_filters($post);
}
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($config['error']['mime_exploit']);
}
require_once 'inc/image.php';
// find dimensions of an image using GD
if (!$size = @getimagesize($file['tmp_name'])) {
error($config['error']['invalidimg']);
}
if ($size[0] > $config['max_width'] || $size[1] > $config['max_height']) {
error($config['error']['maxsize']);
}
if ($config['convert_auto_orient'] && ($file['extension'] == 'jpg' || $file['extension'] == 'jpeg')) {
// The following code corrects the image orientation.
// Currently only works with the 'convert' option selected but it could easily be expanded to work with the rest if you can be bothered.
if (!($config['redraw_image'] || (($config['strip_exif'] && !$config['use_exiftool']) && ($file['extension'] == 'jpg' || $file['extension'] == 'jpeg')))) {
if (in_array($config['thumb_method'], array('convert', 'convert+gifsicle', 'gm', 'gm+gifsicle'))) {
$exif = @exif_read_data($file['tmp_name']);
$gm = in_array($config['thumb_method'], array('gm', 'gm+gifsicle'));
if (isset($exif['Orientation']) && $exif['Orientation'] != 1) {
if ($config['convert_manual_orient']) {
$error = shell_exec_error(($gm ? 'gm ' : '') . 'convert ' .
escapeshellarg($file['tmp_name']) . ' ' .
ImageConvert::jpeg_exif_orientation(false, $exif) . ' ' .
($config['strip_exif'] ? '+profile "*"' :
($config['use_exiftool'] ? '' : '+profile "*"')
) . ' ' .
escapeshellarg($file['tmp_name']));
if ($config['use_exiftool'] && !$config['strip_exif']) {
if ($exiftool_error = shell_exec_error(
'exiftool -overwrite_original -q -q -orientation=1 -n ' .
escapeshellarg($file['tmp_name'])))
error(_('exiftool failed!'), null, $exiftool_error);
} else {
// TODO: Find another way to remove the Orientation tag from the EXIF profile
// without needing `exiftool`.
}
} else {
$error = shell_exec_error(($gm ? 'gm ' : '') . 'convert ' .
escapeshellarg($file['tmp_name']) . ' -auto-orient ' . escapeshellarg($upload));
}
if ($error)
error(_('Could not auto-orient image!'), null, $error);
$size = @getimagesize($file['tmp_name']);
if ($config['strip_exif'])
$file['exif_stripped'] = true;
}
}
}
}
// create image object
$image = new Image($file['tmp_name'], $file['extension'], $size);
if ($image->size->width > $config['max_width'] || $image->size->height > $config['max_height']) {
$image->delete();
error($config['error']['maxsize']);
}
$file['width'] = $image->size->width;
$file['height'] = $image->size->height;
if ($config['spoiler_images'] && isset($_POST['spoiler'])) {
$file['thumb'] = 'spoiler';
$size = @getimagesize($config['spoiler_image']);
$file['thumbwidth'] = $size[0];
$file['thumbheight'] = $size[1];
} elseif ($config['minimum_copy_resize'] &&
$image->size->width <= $config['thumb_width'] &&
$image->size->height <= $config['thumb_height'] &&
$file['extension'] == ($config['thumb_ext'] ? $config['thumb_ext'] : $file['extension'])) {
// Copy, because there's nothing to resize
copy($file['tmp_name'], $file['thumb']);
$file['thumbwidth'] = $image->size->width;
$file['thumbheight'] = $image->size->height;
} else {
$thumb = $image->resize(
$config['thumb_ext'] ? $config['thumb_ext'] : $file['extension'],
$post['op'] ? $config['thumb_op_width'] : $config['thumb_width'],
$post['op'] ? $config['thumb_op_height'] : $config['thumb_height']
);
$thumb->to($file['thumb']);
$file['thumbwidth'] = $thumb->width;
$file['thumbheight'] = $thumb->height;
$thumb->_destroy();
}
if ($config['redraw_image'] || (!@$file['exif_stripped'] && $config['strip_exif'] && ($file['extension'] == 'jpg' || $file['extension'] == 'jpeg'))) {
if (!$config['redraw_image'] && $config['use_exiftool']) {
if($error = shell_exec_error('exiftool -overwrite_original -ignoreMinorErrors -q -q -all= ' .
escapeshellarg($file['tmp_name'])))
error(_('Could not strip EXIF metadata!'), null, $error);
} else {
$image->to($file['file']);
$dont_copy_file = true;
}
}
$image->destroy();
} else {
// not an image
//copy($config['file_thumb'], $post['thumb']);
$file['thumb'] = 'file';
$size = @getimagesize(sprintf($config['file_thumb'],
isset($config['file_icons'][$file['extension']]) ?
$config['file_icons'][$file['extension']] : $config['file_icons']['default']));
$file['thumbwidth'] = $size[0];
$file['thumbheight'] = $size[1];
}
if (!isset($dont_copy_file) || !$dont_copy_file) {
if (isset($file['file_tmp'])) {
if (!@rename($file['tmp_name'], $file['file']))
error($config['error']['nomove']);
chmod($file['file'], 0644);
} elseif (!@move_uploaded_file($file['tmp_name'], $file['file']))
error($config['error']['nomove']);
}
}
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 ($post['has_file']) {
foreach ($post['files'] as $key => &$file) {
$file['file_path'] = $file['file'];
$file['thumb_path'] = $file['thumb'];
$file['file'] = mb_substr($file['file'], mb_strlen($config['dir']['img_root'] . $board['dir'] . $config['dir']['img']));
if ($file['is_an_image'] && $file['thumb'] != 'spoiler')
$file['thumb'] = mb_substr($file['thumb'], mb_strlen($config['dir']['img_root'] . $board['dir'] . $config['dir']['thumb']));
}
}
$post = (object)$post;
$post->files = array_map(function($a) { return (object)$a; }, $post->files);
$error = event('post', $post);
$post->files = array_map(function($a) { return (array)$a; }, $post->files);
if ($error) {
undoImage((array)$post);
error($error);
}
$post = (array)$post;
if ($post['files'])
$post['files'] = $post['files'];
$post['num_files'] = sizeof($post['files']);
// Commit the post to the database.
$post['id'] = $id = post($post);
if (!$tor) insertFloodPost($post);
// Update statistics for this board.
updateStatisticsForPost( $post );
// Handle cyclical threads
if (!$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('SELECT `id` 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));
while ($dpost = $query->fetch()) {
deletePost($dpost['id'], false, false);
}
}
if (isset($post['antispam_hash'])) {
incrementSpamHash($post['antispam_hash']);
}