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post.php
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post.php
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<?php
/*
* Copyright (c) 2010-2013 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];
}
}
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(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'] + $config['delete_time'])));
} else if ($post['time'] <= time() - $config['delete_max_time'] && (!$thread || $thread['password'] != $password)) {
error(sprintf($config['error']['delete_too_old']));
}
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();
rebuildThemes('post-delete', $board['uri']);
$is_mod = isset($_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, $config['redirect_http']);
} else {
header('Content-Type: text/json');
echo json_encode(array('success' => true));
}
} elseif (isset($_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']);
$reason = escape_markup_modifiers($_POST['reason']);
markup($reason);
foreach ($report as &$id) {
$query = prepare(sprintf("SELECT `thread` FROM ``posts_%s`` WHERE `id` = :id", $board['uri']));
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
$thread = $query->fetchColumn();
if ($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`` 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'] . '?/' : $config['root'];
if (!isset($_POST['json_response'])) {
header('Location: ' . $root . $board['dir'] . $config['file_index'], true, $config['redirect_http']);
} else {
header('Content-Type: text/json');
echo json_encode(array('success' => true));
}
} elseif (isset($_POST['post'])) {
if (!isset($_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['subject']))
$_POST['subject'] = '';
if (!isset($_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
// Actually, don't check the referer
// if ($config['referer_match'] !== false &&
// (!isset($_SERVER['HTTP_REFERER']) || !preg_match($config['referer_match'], urldecode($_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']);
// CAPTCHA
if ($config['captcha']) {
if (isset($_POST['captcha']) and $_POST['captcha'] != "") {
session_start();
if (isset($_SESSION['captcha']) && strtoupper($_SESSION['captcha']) == strtoupper($_POST['captcha']))
unset($_SESSION['captcha']);
else {
error($config['error']['captcha']);
unset($_SESSION['captcha']);
}
} else
error($config['error']['bot']);
}
// 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($config['error']['captcha']);
}
}
// Check for CAPTCHA right after opening the board so the "return" link is in there
if ($config['recaptcha2']) {
if (!isset($_POST['g-recaptcha-response']))
error($config['error']['bot']);
// Check what reCAPTCHA has to say...
$reCaptcha = new ReCaptcha($config['recaptcha_private']);
$resp = $reCaptcha->verifyResponse(
$_SERVER["REMOTE_ADDR"],
$_POST["g-recaptcha-response"]
);
if (!$resp->success) {
error($config['error']['captcha']);
}
}
if ($post['mod'] = isset($_POST['mod']) && $_POST['mod']) {
require 'inc/mod/auth.php';
if (!$mod) {
// Liar. You're not a mod.
error($config['error']['notamod']);
}
$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'] && $config['spam']['checking_enabled']) {
$post['antispam_hash'] = checkSpam(array($board['uri'], isset($post['thread']) && !($config['quick_reply'] && isset($_POST['quick-reply'])) ? $post['thread'] : ($config['try_smarter'] && isset($_POST['page']) ? 0 - (int)$_POST['page'] : null)));
if ($post['antispam_hash'] === true)
error($config['error']['spam']);
}
if ($config['robot_enable'] && $config['robot_mute']) {
checkMute();
}
//Check if thread exists
if (!$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 = $query->fetch(PDO::FETCH_ASSOC)) {
// Non-existant
error($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($config['error']['invalid_embed']);
}
}
if (!hasPermission($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'])
$_POST['password'] = '';
if ($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($url_without_params, '.') + 1));
if (!in_array($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']);
curl_close($curl);
fclose($fp);
$_FILES['file'] = array(
'name' => basename($url_without_params),
'tmp_name' => $post['file_tmp'],
'error' => 0,
'size' => filesize($post['file_tmp'])
);
}
// Random image
if( ($config['derpibooru_random'] || $config['danbooru_random'] || $config['safebooru_random'] || $config['gelbooru_random'] || $config['giphy_random'])
&& (preg_match("/^#((pony|safe|derp|gel|gif|dan)rand|random)/i", strtolower($_POST['email'])))) {
if (($post['op'] && !isset($post['no_longer_require_an_image_for_op']) && $config['force_image_op']) || (isset($_FILES['file']) && $_FILES['file']['tmp_name'] != '')) {
$_POST['email'] = '';
} else {
switch ($_POST['email']) {
// Google random
case (preg_match('/^#random:\"(.+)\"$/', $_POST['email'], $googleTagFound) ? $_POST['email'] : !$_POST['email']):
$provider = 'google';
if ($config['google_random']) {
// Tag is required.
if ($googleTagFound == "")
error ("Tag is required.");
$googleTag = str_replace(" ", "%20", $googleTagFound[1]);
// Google shows only first 64 images from search results
// So there is no need to get total images count and make two requests, at least I hope so
$googleJSON = json_decode(file_get_contents('http://ajax.googleapis.com/ajax/services/search/images?v=1.0&rsz=1&q=' . $googleTag . '&start=' . mt_rand(0,63)));
$post['file_url'] = $googleJSON->{"responseData"}->{"results"}[0]->{"unescapedUrl"};
} else
error('This feature is no longer supported.');
break;
// Derpibooru random
case (preg_match('/^#ponyrand(:\"(.+)\")?$/', $_POST['email'], $booruTagFound) ? $_POST['email'] : !$_POST['email']):
case (preg_match('/^#derprand(:\"(.+)\")?$/', $_POST['email'], $booruTagFound) ? $_POST['email'] : !$_POST['email']):
$provider = 'derpibooru';
if ($config['derpibooru_random']) {
if (count($booruTagFound) === 1) {
// No tags found
$booruRand = json_decode(file_get_contents('https://derpibooru.org/images/random.json?key=' . $_POST['derpibooruAPIKey']));
} else {
// Tags are in $booruTagFound[2]
$booruTag = str_replace(" ", "+", $booruTagFound[2]);
if (isset($_POST['derpibooruAPIKey']) && ($_POST['derpibooruAPIKey'] != ''))
$booruRand = json_decode(file_get_contents('https://derpibooru.org/search.json?q=' . $booruTag . '&key=' . $_POST['derpibooruAPIKey'] . '&random_image=y'));
else
$booruRand = json_decode(file_get_contents('https://derpibooru.org/search.json?q=' . $booruTag . '&random_image=y'));
}
if (!isset($booruRand->{'id'}))
error($config['error']['invalidtag']);
$booruRandJSON = json_decode(file_get_contents('https://derpibooru.org/' . $booruRand->{'id'} . '.json'));
$post['file_url'] = 'https:' . $booruRandJSON->{"image"};
if (!preg_match('@^https?://(.+\.)?derpicdn.net/@', $post['file_url']))
error($config['error']['invalidimg']);
} else
error('This feature is disabled.');
break;
// Danbooru random
case (preg_match('/^#danrand(:\"(.+)\")?$/', $_POST['email'], $booruTagFound) ? $_POST['email'] : !$_POST['email']):
$provider = 'danbooru';
if ($config['danbooru_random']) {
if (count($booruTagFound) === 1) {
// No tags found
// This little one simply donwloads a nice tiny json with the latest post on danbooru.
$booruMaxJSON = json_decode(file_get_contents('https://danbooru.donmai.us/posts.json?limit=1'));
$booruRand = mt_rand(1, $booruMaxJSON[0]->{"id"});
} else {
// Tags are in $booruTagFound[2]
// Pretty sure there should be a function for this
$booruTag = str_replace(" ", "_", $booruTagFound[2]);
$booruTag = str_replace("!", "%21", $booruTag);
$booruTag = str_replace("&", "%26", $booruTag);
$booruTag = str_replace("\(", "%28", $booruTag);
$booruTag = str_replace("\)", "%29", $booruTag);
// search[name] is also useful, allows multiple tags search
// TODO: check $booruTagFound and search with search[name] when commas found
$booruMaxJSON = json_decode(file_get_contents('https://danbooru.donmai.us/tags.json?search[name_matches]=' . $booruTag));
if (empty($booruMaxJSON))
error($config['error']['invalidtag']);
$booruRandPage = mt_rand(1, $booruMaxJSON[0]->{"post_count"}/20);
// Danbooru have a limit on maximum displayed pages (1000). I don't have any clue why they did that, but whatever.
if ($booruRandPage > 1000)
$booruRandPage = mt_rand(1, 1000);
$booruRandPageJSON = json_decode(file_get_contents('https://danbooru.donmai.us/posts.json?tags=' . $booruTag . '&page=' . $booruRandPage));
// Well I already wrote a nice name generator, I don't really want to think about a workaround here.
// So let's just proceed to downloading JSON again, even when /posts.json can give all info we need.
$booruRand = $booruRandPageJSON[mt_rand(1, count ($booruRandPageJSON))]->{"id"};
// count() is here for a reason - last search page may not contain 20 pics.
}
// Danbooru allows 500 json requests per hour without API key. We're making at least two requests per image.
// TODO: API key support
$booruRandJSON = json_decode(file_get_contents('https://danbooru.donmai.us/posts/' . $booruRand . '.json'));
$post['file_url'] = 'https://danbooru.donmai.us' . $booruRandJSON->{"file_url"};
// This is still a shitty way to check and upload images.
// TODO: merge with upload by url
if (!preg_match('@^https?://danbooru.donmai.us/@', $post['file_url']))
error($config['error']['invalidimg']);
} else
error('This feature is disabled.');
break;
// Safebooru random
case (preg_match('/^#saferand(:\"(.+)\")?$/', $_POST['email'], $booruTagFound) ? $_POST['email'] : !$_POST['email']):
$provider = 'safebooru';
if ($config['safebooru_random']) {
if (count($booruTagFound) === 1) {
// No tags found
$booruMaxXML = file_get_contents('http://safebooru.org/index.php?page=dapi&s=post&q=index&limit=0');
$booruXML = xml_parser_create();
xml_parse_into_struct($booruXML, $booruMaxXML, $booruXMLDecoded);
xml_parser_free($booruXML);
$booruRand = mt_rand(0, $booruXMLDecoded[0]["attributes"]["COUNT"]-1);
$booruRandXML = file_get_contents('http://safebooru.org/index.php?page=dapi&s=post&q=index&limit=1&pid=' . $booruRand);
} else {
// Tags are in $booruTagFound[2]
// Pretty sure there should be a function for this
$booruTag = str_replace("!", "%21", $booruTagFound[2]);
$booruTag = str_replace("&", "%26", $booruTag);
$booruTag = str_replace("\(", "%28", $booruTag);
$booruTag = str_replace("\)", "%29", $booruTag);
$booruMaxXML = file_get_contents('http://safebooru.org/index.php?page=dapi&s=post&q=index&limit=0&tags=' . $booruTag);
$booruXML = xml_parser_create();
xml_parse_into_struct($booruXML, $booruMaxXML, $booruXMLDecoded);
xml_parser_free($booruXML);
if ($booruXMLDecoded[0]["attributes"]["COUNT"] === '0')
error($config['error']['invalidtag']);
$booruRand = mt_rand(0, $booruXMLDecoded[0]["attributes"]["COUNT"]-1);
$booruRandXML = file_get_contents('http://safebooru.org/index.php?page=dapi&s=post&q=index&limit=1&tags=' . $booruTag . '&pid=' . $booruRand);
}
$booruXML = xml_parser_create();
xml_parse_into_struct($booruXML, $booruRandXML, $booruXMLDecoded);
xml_parser_free($booruXML);
$post['file_url'] = 'https:' . $booruXMLDecoded[1]["attributes"]["FILE_URL"];
if (!preg_match('@^https?://safebooru.org/@', $post['file_url']))
error($config['error']['invalidimg']);
} else
error('This feature is disabled.');
break;
// Gelbooru random
case (preg_match('/^#gelrand(:\"(.+)\")?$/', $_POST['email'], $booruTagFound) ? $_POST['email'] : !$_POST['email']):
$provider = 'gelbooru';
if ($config['gelbooru_random']) {
if (count($booruTagFound) === 1) {
// No tags found
$booruMaxXML = file_get_contents('http://gelbooru.com/index.php?page=dapi&s=post&q=index&limit=0');
$booruXML = xml_parser_create();
xml_parse_into_struct($booruXML, $booruMaxXML, $booruXMLDecoded);
xml_parser_free($booruXML);
$booruRand = mt_rand(0, $booruXMLDecoded[0]["attributes"]["COUNT"]-1);
$booruRandXML = file_get_contents('http://gelbooru.com/index.php?page=dapi&s=post&q=index&limit=1&pid=' . $booruRand);
} else {
// Tags are in $booruTagFound[2]
// Pretty sure there should be a function for this
$booruTag = str_replace("!", "%21", $booruTagFound[2]);
$booruTag = str_replace("&", "%26", $booruTag);
$booruTag = str_replace("\(", "%28", $booruTag);
$booruTag = str_replace("\)", "%29", $booruTag);
$booruMaxXML = file_get_contents('http://gelbooru.com/index.php?page=dapi&s=post&q=index&limit=0&tags=' . $booruTag);
$booruXML = xml_parser_create();
xml_parse_into_struct($booruXML, $booruMaxXML, $booruXMLDecoded);
xml_parser_free($booruXML);
if ($booruXMLDecoded[0]["attributes"]["COUNT"] === '0')
error($config['error']['invalidtag']);
$booruRand = mt_rand(0, $booruXMLDecoded[0]["attributes"]["COUNT"]-1);
$booruRandXML = file_get_contents('http://gelbooru.com/index.php?page=dapi&s=post&q=index&limit=1&tags=' . $booruTag . '&pid=' . $booruRand);
}
$booruXML = xml_parser_create();
xml_parse_into_struct($booruXML, $booruRandXML, $booruXMLDecoded);
xml_parser_free($booruXML);
$post['file_url'] = 'https:' . $booruXMLDecoded[1]["attributes"]["FILE_URL"];
if ((!preg_match('@^https?://(.+\.)?gelbooru.com/@', $post['file_url'])) && (!preg_match('@^https?://(.+\.)?youhate.us/@', $post['file_url'])))
error($config['error']['invalidimg']);
} else
error('This feature is disabled.');
break;
// Giphy random
case (preg_match('/^#gifrand(:\"(.+)\")?$/', $_POST['email'], $booruTagFound) ? $_POST['email'] : !$_POST['email']) :
$provider = 'giphy';
if ($config['giphy_random']) {
if (count($booruTagFound) === 1) {
// No tags found
$booruRandJSON = json_decode(file_get_contents('http://api.giphy.com/v1/gifs/random?api_key=' . $config['giphyAPIKey']));
} else {
// Tags are in $booruTagFound[2]
$booruTag = str_replace(" ", "+", $booruTagFound[2]);
$booruRandJSON = json_decode(file_get_contents('http://api.giphy.com/v1/gifs/random?api_key=' . $config['giphyAPIKey'] . '&tag=' . $booruTag));
}
if (!isset($booruRandJSON->{'data'}->{'id'}))
error($config['error']['invalidtag']);
$post['file_url'] = ($booruRandJSON->{'data'}->{'image_url'});
if (!preg_match('@^https?://s3.amazonaws.com/giphymedia/media/@', $post['file_url']))
error($config['error']['invalidimg']);
} else
error('This feature is disabled.');
break;
}
if (isset($provider)) {
if (mb_strpos($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($url_without_params, '.') + 1));
if (!in_array($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, 'Fukuro/5.0 Tinyboard/0.9.6.22');
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']);
curl_close($curl);
fclose($fp);
// These are more useful for $config['autospoiler_images']
$danbooruRatings = array(
"s" => "safe",
"q" => "questionable",
"e" => "explicit",
);
$giphyRatings = array(
"y" => "safe",
"g" => "safe",
"pg" => "suggestive",
"pg-13" => "questionable",
"r" => "explicit",
);
switch ($provider) {
case "danbooru":
// I personally not found <md5.ext> filename anyhow useful.
$tempFilename = substr($booruRandJSON->{"id"} . '_' . $booruRandJSON->{"tag_string_character"}
. '_' . $danbooruRatings[$booruRandJSON->{"rating"}] . '_' . $booruRandJSON->{"tag_string_general"}, 0, 250)
. '.' . $booruRandJSON->{"file_ext"};
break;
case "safebooru":
case "gelbooru":
$tempFilename = substr($booruXMLDecoded[1]["attributes"]["ID"] . '_' . $danbooruRatings[$booruXMLDecoded[1]["attributes"]["RATING"]]
. "_" . substr($booruXMLDecoded[1]["attributes"]["TAGS"], 1, -1), 0, 250)
. "." . pathinfo($booruXMLDecoded[1]["attributes"]["FILE_URL"], PATHINFO_EXTENSION);
break;
case "giphy":
$tempFilename = substr($booruRandJSON->{'data'}->{'id'} . '_' . $giphyRatings[$booruRandJSON->{'data'}->{'rating'}]
. '_' . (implode("_", $booruRandJSON->{'data'}->{'tags'})), 0, 250) . ".gif";
break;
default:
$tempFilename = substr(basename($url_without_params), 0, 250);
break;
}
$_FILES['file'] = array(
'name' => $tempFilename,
'tmp_name' => $post['file_tmp'],
'error' => 0,
'size' => filesize($post['file_tmp'])
);
}
}
}
// 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'];
$post['has_file'] = (($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']) {
if (strtolower($post['email']) == '#hide') {
$post['filename'] = "hidden." . pathinfo(urldecode(get_magic_quotes_gpc() ? stripslashes($_FILES['file']['name']) : $_FILES['file']['name']), PATHINFO_EXTENSION);
} else {
$post['filename'] = urldecode(get_magic_quotes_gpc() ? stripslashes($_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($config['error']['tooshort_body']);
}
}
if (!$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']) {
$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']) {
$post['extension'] = strtolower(mb_substr($post['filename'], mb_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);
$thumbfiledir = 'cdn/thumb/' . substr(time(), 0, 3) . '/' . substr(time(), 3, 2) . '/' . substr(time(), 5, 2);
if (!file_exists($thumbfiledir) and !is_dir($thumbfiledir)) {
mkdir ($thumbfiledir, 0777, true);
}
$srcfiledir = 'cdn/src/' . substr(time(), 0, 3) . '/' . substr(time(), 3, 2) . '/' . substr(time(), 5, 2);
if (!file_exists($srcfiledir) and !is_dir($srcfiledir)) {
mkdir ($srcfiledir, 0777, true);
}
$post['file'] = 'cdn/src/' . substr(time(), 0, 3) . '/' . substr(time(), 3, 2) . '/' . substr(time(), 5, 2) . '/' . $post['file_id'] . '.' . $post['extension'];
$post['thumb'] = 'cdn/thumb/' . substr(time(), 0, 3) . '/' . substr(time(), 3, 2) . '/' . substr(time(), 5, 2) . '/' . $post['file_id'] . '.' . ($config['thumb_ext'] ? $config['thumb_ext'] : $post['extension']);
}
if ($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']) > $config['max_email'])
error(sprintf($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']);
if ($mod && isset($post['raw']) && $post['raw']) {
$post['body'] .= "\n<tinyboard raw html>1</tinyboard>";
}
if ($config['country_flags']) {
if (!geoip_db_avail(GEOIP_COUNTRY_EDITION)) {
error('GeoIP not available: ' . geoip_db_filename(GEOIP_COUNTRY_EDITION));
}
if ($country_code = @geoip_country_code_by_name($_SERVER['REMOTE_ADDR'])) {
if (!in_array(strtolower($country_code), array('eu', 'ap', 'o1', 'a1', 'a2')))
$post['body'] .= "\n<tinyboard flag>" . strtolower($country_code) . "</tinyboard>" .
"\n<tinyboard flag alt>" . @geoip_country_name_by_name($_SERVER['REMOTE_ADDR']) . "</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);
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
$post['filename'] = mb_substr($post['filename'], 0, $config['max_filename_len']);
$upload = $_FILES['file']['tmp_name'];
if (!is_readable($upload))
error($config['error']['nomove']);
$post['filehash'] = md5_file($upload);
$post['filesize'] = filesize($upload);
}
if (!hasPermission($config['mod']['bypass_filters'], $board['uri'])) {
require_once 'inc/filters.php';
do_filters($post);
}
if ($post['has_file']) {
if ($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($upload)) {
error($config['error']['invalidimg']);
}
if ($size[0] > $config['max_width'] || $size[1] > $config['max_height']) {
error($config['error']['maxsize']);
}
if ($config['convert_auto_orient'] && ($post['extension'] == 'jpg' || $post['extension'] == 'jpeg')) {
// The following code corrects the image orientation.
// Currently only works with the 'convert' option selected but it could easily be expanded to work with the rest if you can be bothered.
if (!($config['redraw_image'] || (($config['strip_exif'] && !$config['use_exiftool']) && ($post['extension'] == 'jpg' || $post['extension'] == 'jpeg')))) {
if (in_array($config['thumb_method'], array('convert', 'convert+gifsicle', 'gm', 'gm+gifsicle'))) {
$exif = @exif_read_data($upload);
$gm = in_array($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($upload) . ' ' .
ImageConvert::jpeg_exif_orientation(false, $exif) . ' ' .
($config['strip_exif'] ? '+profile "*"' :
($config['use_exiftool'] ? '' : '+profile "*"')
) . ' ' .
escapeshellarg($upload));
if ($config['use_exiftool'] && !$config['strip_exif']) {
if ($exiftool_error = shell_exec_error(
'exiftool -overwrite_original -q -q -orientation=1 -n ' .
escapeshellarg($upload)))
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($upload) . ' -auto-orient ' . escapeshellarg($upload));
}
if ($error)
error('Could not auto-orient image!', null, $error);
$size = @getimagesize($upload);
if ($config['strip_exif'])
$post['exif_stripped'] = true;
}
}
}
}
// create image object
$image = new Image($upload, $post['extension'], $size);
if ($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['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'] = $thumb->height;
if (($config['spoiler_images'] && isset($_POST['spoiler'])) ||
($config['spoiler_images'] && $config['autospoiler_images'] && strposa($post['filename'], $config['autospoiler_tags']))) {
$post['thumb'] = 'spoiler';
}
$thumb->_destroy();
}
if ($config['redraw_image'] || (!@$post['exif_stripped'] && $config['strip_exif'] && ($post['extension'] == 'jpg' || $post['extension'] == 'jpeg'))) {
if (!$config['redraw_image'] && $config['use_exiftool']) {
if($error = shell_exec_error('exiftool -overwrite_original -ignoreMinorErrors -q -q -all= ' .
escapeshellarg($upload)))
error('Could not strip EXIF metadata!', null, $error);
} else {
$image->to($post['file']);
$dont_copy_file = true;
}
}
$image->destroy();
} else {
// not an image
//copy($config['file_thumb'], $post['thumb']);
$post['thumb'] = 'file';
$size = @getimagesize(sprintf($config['file_thumb'],
isset($config['file_icons'][$post['extension']]) ?
$config['file_icons'][$post['extension']] : $config['file_icons']['default']));
$post['thumbwidth'] = $size[0];
$post['thumbheight'] = $size[1];
}
if (!isset($dont_copy_file) || !$dont_copy_file) {
if (isset($post['file_tmp'])) {
if (!@rename($upload, $post['file']))
error($config['error']['nomove']);
chmod($post['file'], 0644);
} elseif (!@move_uploaded_file($upload, $post['file']))
error($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']