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mirror of https://github.com/vichan-devel/vichan.git synced 2024-12-01 02:27:24 +01:00
vichan/inc/8chan-mod-pages.php

639 lines
22 KiB
PHP

<?php
function mod_8_tags ($b) {
global $board, $config;
if (!openBoard($b))
error("Could not open board!");
if (!hasPermission($config['mod']['edit_tags'], $b))
error($config['error']['noaccess']);
if (isset($_POST['tags'])) {
if (sizeof($_POST['tags']) > 5)
error(_('Too many tags.'));
$delete = prepare('DELETE FROM ``board_tags`` WHERE uri = :uri');
$delete->bindValue(':uri', $b);
$delete->execute();
foreach ($_POST['tags'] as $i => $tag) {
if ($tag) {
if (strlen($tag) > 255)
continue;
$insert = prepare('INSERT INTO ``board_tags``(uri, tag) VALUES (:uri, :tag)');
$insert->bindValue(':uri', $b);
$insert->bindValue(':tag', utf8tohtml($tag));
$insert->execute();
}
}
$update = prepare('UPDATE ``boards`` SET sfw = :sfw WHERE uri = :uri');
$update->bindValue(':uri', $b);
$update->bindValue(':sfw', isset($_POST['sfw']));
$update->execute();
}
$query = prepare('SELECT * FROM ``board_tags`` WHERE uri = :uri');
$query->bindValue(':uri', $b);
$query->execute();
$tags = $query->fetchAll();
$query = prepare('SELECT `sfw` FROM ``boards`` WHERE uri = :uri');
$query->bindValue(':uri', $b);
$query->execute();
$sfw = $query->fetchColumn();
mod_page(_('Edit tags'), 'mod/tags.html', array('board'=>$board,'token'=>make_secure_link_token('tags/'.$board['uri']), 'tags'=>$tags, 'sfw'=>$sfw));
}
function mod_8_reassign($b) {
global $board, $config;
if (!openBoard($b))
error("Could not open board!");
if (!hasPermission($config['mod']['reassign_board'], $b))
error($config['error']['noaccess']);
$query = query("SELECT id, username FROM mods WHERE boards = '$b' AND type = 20");
$mods = $query->fetchAll();
if (!$mods) {
error('No mods?');
}
$password = base64_encode(openssl_random_pseudo_bytes(9));
$salt = generate_salt();
$hashed = hash('sha256', $salt . sha1($password));
$query = prepare('UPDATE ``mods`` SET `password` = :hashed, `salt` = :salt WHERE BINARY username = :mod');
$query->bindValue(':hashed', $hashed);
$query->bindValue(':salt', $salt);
$query->bindValue(':mod', $mods[0]['username']);
$query->execute();
$body = "Thanks for your interest in this board. Kindly find the username and password below. You can login at https://8ch.net/mod.php.<br>Username: {$mods[0]['username']}<br>Password: {$password}<br>Thanks for using 8chan!";
modLog("Reassigned board /$b/");
mod_page(_('Edit reassign'), 'blank.html', array('board'=>$board,'token'=>make_secure_link_token('reassign/'.$board['uri']),'body'=>$body));
}
function mod_8_volunteers($b) {
global $board, $config, $pdo;
if (!hasPermission($config['mod']['edit_volunteers'], $b))
error($config['error']['noaccess']);
if (!openBoard($b))
error("Could not open board!");
if (isset($_POST['username'], $_POST['password'])) {
$query = prepare('SELECT * FROM ``mods`` WHERE type = 19 AND boards = :board');
$query->bindValue(':board', $b);
$query->execute() or error(db_error($query));
$count = $query->rowCount();
$query = prepare('SELECT `username` FROM ``mods``');
$query->execute() or error(db_error($query));
$volunteers = $query->fetchAll(PDO::FETCH_ASSOC);
if ($_POST['username'] == '')
error(sprintf($config['error']['required'], 'username'));
if ($_POST['password'] == '')
error(sprintf($config['error']['required'], 'password'));
if (!preg_match('/^[a-zA-Z0-9._]{1,30}$/', $_POST['username']))
error(_('Invalid username'));
if ($count > 10) {
error(_('Too many board volunteers!'));
}
foreach ($volunteers as $i => $v) {
if (strtolower($_POST['username']) == strtolower($v['username'])) {
error(_('Refusing to create a volunteer with the same username as an existing one.'));
}
}
$salt = generate_salt();
$password = hash('sha256', $salt . sha1($_POST['password']));
$query = prepare('INSERT INTO ``mods`` VALUES (NULL, :username, :password, :salt, 19, :board)');
$query->bindValue(':username', $_POST['username']);
$query->bindValue(':password', $password);
$query->bindValue(':salt', $salt);
$query->bindValue(':board', $b);
$query->execute() or error(db_error($query));
$userID = $pdo->lastInsertId();
modLog('Created a new volunteer: ' . utf8tohtml($_POST['username']) . ' <small>(#' . $userID . ')</small>');
}
if (isset($_POST['delete'])){
foreach ($_POST['delete'] as $i => $d){
$query = prepare('SELECT * FROM ``mods`` WHERE id = :id');
$query->bindValue(':id', $d);
$query->execute() or error(db_error($query));
$result = $query->fetch(PDO::FETCH_ASSOC);
if (!$result) {
error(_('Volunteer does not exist!'));
}
if ($result['boards'] != $b || $result['type'] != BOARDVOLUNTEER) {
error($config['error']['noaccess']);
}
$query = prepare('DELETE FROM ``mods`` WHERE id = :id');
$query->bindValue(':id', $d);
$query->execute() or error(db_error($query));
}
}
$query = prepare('SELECT * FROM ``mods`` WHERE type = 19 AND boards = :board');
$query->bindValue(':board', $b);
$query->execute() or error(db_error($query));
$volunteers = $query->fetchAll(PDO::FETCH_ASSOC);
mod_page(_('Edit volunteers'), 'mod/volunteers.html', array('board'=>$board,'token'=>make_secure_link_token('volunteers/'.$board['uri']),'volunteers'=>$volunteers));
}
function mod_8_flags($b) {
global $config, $mod, $board;
require_once 'inc/image.php';
if (!hasPermission($config['mod']['edit_flags'], $b))
error($config['error']['noaccess']);
if (!openBoard($b))
error("Could not open board!");
if (file_exists("$b/flags.ser"))
$config['user_flags'] = unserialize(file_get_contents("$b/flags.ser"));
$dir = 'static/custom-flags/'.$b;
if (!is_dir($dir)){
mkdir($dir, 0777, true);
}
function handle_file($id = false, $description, $b, $dir) {
global $config;
if (!isset($description) and $description)
error(_('You must enter a flag description!'));
if (strlen($description) > 255)
error(_('Flag description too long!'));
if ($id) {
$f = 'flag-'.$id;
} else {
$f = 'file';
$id = time() . substr(microtime(), 2, 3);
}
$upload = $_FILES[$f]['tmp_name'];
$banners = array_diff(scandir($dir), array('..', '.'));
if (!is_readable($upload))
error($config['error']['nomove']);
$extension = strtolower(mb_substr($_FILES[$f]['name'], mb_strrpos($_FILES[$f]['name'], '.') + 1));
if ($extension != 'png') {
error(_('Flags must be in PNG format.'));
}
if (filesize($upload) > 48000){
error(_('File too large!'));
}
if (!$size = @getimagesize($upload)) {
error($config['error']['invalidimg']);
}
if ($size[0] > 20 or $size[0] < 11 or $size[1] > 16 or $size[1] < 11){
error(_('Image wrong size!'));
}
if (sizeof($banners) > 256) {
error(_('Too many flags.'));
}
copy($upload, "$dir/$id.$extension");
purge("$dir/$id.$extension");
$config['user_flags'][$id] = utf8tohtml($description);
file_write($b.'/flags.ser', serialize($config['user_flags']));
}
// Handle a new flag, if any.
if (isset($_FILES['file'])){
handle_file(false, $_POST['description'], $b, $dir);
}
// Handle edits to existing flags.
foreach ($_FILES as $k => $a) {
if (empty($_FILES[$k]['tmp_name'])) continue;
if (preg_match('/^flag-(\d+)$/', $k, $matches)) {
$id = (int)$matches[1];
if (!isset($_POST['description-'.$id])) continue;
if (isset($config['user_flags'][$id])) {
handle_file($id, $_POST['description-'.$id], $b, $dir);
}
}
}
// Description just changed, flag not edited.
foreach ($_POST as $k => $v) {
if (!preg_match('/^description-(\d+)$/', $k, $matches)) continue;
$id = (int)$matches[1];
if (!isset($_POST['description-'.$id])) continue;
$description = $_POST['description-'.$id];
if (strlen($description) > 255)
error(_('Flag description too long!'));
$config['user_flags'][$id] = utf8tohtml($description);
file_write($b.'/flags.ser', serialize($config['user_flags']));
}
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$flags = <<<FLAGS
<?php
\$config['country_flags'] = false;
\$config['country_flags_condensed'] = false;
\$config['user_flag'] = true;
\$config['uri_flags'] = '/static/custom-flags/$b/%s.png';
\$config['flag_style'] = '';
\$config['user_flags'] = unserialize(file_get_contents('$b/flags.ser'));
FLAGS;
if ($config['cache']['enabled']) {
cache::delete('config_' . $b);
cache::delete('events_' . $b);
}
file_write($b.'/flags.php', $flags);
}
if (isset($_POST['delete'])){
foreach ($_POST['delete'] as $i => $d){
if (!preg_match('/[0-9+]/', $d)){
error('Nice try.');
}
unlink("$dir/$d.png");
$id = explode('.', $d)[0];
unset($config['user_flags'][$id]);
file_write($b.'/flags.ser', serialize($config['user_flags']));
}
}
if (isset($_POST['alphabetize'])) {
asort($config['user_flags'], SORT_NATURAL | SORT_FLAG_CASE);
file_write($b.'/flags.ser', serialize($config['user_flags']));
}
$banners = array_diff(scandir($dir), array('..', '.'));
mod_page(_('Edit flags'), 'mod/flags.html', array('board'=>$board,'banners'=>$banners,'token'=>make_secure_link_token('banners/'.$board['uri'])));
}
function mod_8_banners($b) {
global $config, $mod, $board;
require_once 'inc/image.php';
if (!hasPermission($config['mod']['edit_banners'], $b))
error($config['error']['noaccess']);
if (!openBoard($b))
error("Could not open board!");
$dir = 'static/banners/'.$b;
if (!is_dir($dir)){
mkdir($dir, 0777, true);
}
if (isset($_FILES['file'])){
$upload = $_FILES['file']['tmp_name'];
$banners = array_diff(scandir($dir), array('..', '.'));
if (!is_readable($upload))
error($config['error']['nomove']);
$id = time() . substr(microtime(), 2, 3);
$extension = strtolower(mb_substr($_FILES['file']['name'], mb_strrpos($_FILES['file']['name'], '.') + 1));
if (!in_array($extension, array('jpg','jpeg','png','gif'))){
error('Not an image extension.');
}
if (filesize($upload) > 512000){
error('File too large!');
}
if (!$size = @getimagesize($upload)) {
error($config['error']['invalidimg']);
}
if ($size[0] != 300 or $size[1] != 100){
error('Image wrong size!');
}
if (sizeof($banners) >= 50) {
error('Too many banners.');
}
copy($upload, "$dir/$id.$extension");
}
if (isset($_POST['delete'])){
foreach ($_POST['delete'] as $i => $d){
if (!preg_match('/[0-9+]\.(png|jpeg|jpg|gif)/', $d)){
error('Nice try.');
}
unlink("$dir/$d");
}
}
$banners = array_diff(scandir($dir), array('..', '.'));
mod_page(_('Edit banners'), 'mod/banners.html', array('board'=>$board,'banners'=>$banners,'token'=>make_secure_link_token('banners/'.$board['uri'])));
}
function mod_8_settings($b) {
global $config, $mod;
//if ($b === 'infinity' && $mod['type'] !== ADMIN)
// error('Settings temporarily disabled for this board.');
if (!in_array($b, $mod['boards']) and $mod['boards'][0] != '*')
error($config['error']['noaccess']);
if (!hasPermission($config['mod']['edit_settings'], $b))
error($config['error']['noaccess']);
if (!openBoard($b))
error("Could not open board!");
$possible_languages = array_diff(scandir('inc/locale/'), array('..', '.', '.tx', 'README.md'));
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$title = $_POST['title'];
$subtitle = $_POST['subtitle'];
$country_flags = isset($_POST['country_flags']) ? 'true' : 'false';
$field_disable_name = isset($_POST['field_disable_name']) ? 'true' : 'false';
$enable_embedding = isset($_POST['enable_embedding']) ? 'true' : 'false';
$force_image_op = isset($_POST['force_image_op']) ? 'true' : 'false';
$disable_images = isset($_POST['disable_images']) ? 'true' : 'false';
$poster_ids = isset($_POST['poster_ids']) ? 'true' : 'false';
$show_sages = isset($_POST['show_sages']) ? 'true' : 'false';
$auto_unicode = isset($_POST['auto_unicode']) ? 'true' : 'false';
$strip_combining_chars = isset($_POST['strip_combining_chars']) ? 'true' : 'false';
$allow_roll = isset($_POST['allow_roll']) ? 'true' : 'false';
$image_reject_repost = isset($_POST['image_reject_repost']) ? 'true' : 'false';
$image_reject_repost_in_thread = isset($_POST['image_reject_repost_in_thread']) ? 'true' : 'false';
$early_404 = isset($_POST['early_404']) ? 'true' : 'false';
$allow_delete = isset($_POST['allow_delete']) ? 'true' : 'false';
$allow_flash = isset($_POST['allow_flash']) ? '$config[\'allowed_ext_files\'][] = \'swf\';' : '';
$allow_pdf = isset($_POST['allow_pdf']) ? '$config[\'allowed_ext_files\'][] = \'pdf\';' : '';
$code_tags = isset($_POST['code_tags']) ? '$config[\'additional_javascript\'][] = \'js/code_tags/run_prettify.js\';$config[\'markup\'][] = array("/\[code\](.+?)\[\/code\]/ms", "<code><pre class=\'prettyprint\' style=\'display:inline-block\'>\$1</pre></code>");' : '';
$katex = isset($_POST['katex']) ? '$config[\'katex\'] = true;$config[\'additional_javascript\'][] = \'js/katex/katex.min.js\'; $config[\'markup\'][] = array("/\[tex\](.+?)\[\/tex\]/ms", "<span class=\'tex\'>\$1</span>"); $config[\'additional_javascript\'][] = \'js/katex-enable.js\';' : '';
$user_flags = isset($_POST['user_flags']) ? "if (file_exists('$b/flags.php')) { include 'flags.php'; }\n" : '';
$captcha = isset($_POST['captcha']) ? 'true' : 'false';
$force_subject_op = isset($_POST['force_subject_op']) ? 'true' : 'false';
$force_flag = isset($_POST['force_flag']) ? 'true' : 'false';
$tor_posting = isset($_POST['tor_posting']) ? 'true' : 'false';
$new_thread_capt = isset($_POST['new_thread_capt']) ? 'true' : 'false';
$oekaki = isset($_POST['oekaki']) ? 'true' : 'false';
if ($_POST['locale'] !== 'en' && in_array($_POST['locale'], $possible_languages)) {
$locale = "\$config['locale'] = '{$_POST['locale']}.UTF-8';";
} else {
$locale = '';
}
if (isset($_POST['max_images']) && (int)$_POST['max_images'] && (int)$_POST['max_images'] <= 5) {
$_POST['max_images'] = (int)$_POST['max_images'];
$multiimage = "\$config['max_images'] = {$_POST['max_images']};
\$config['additional_javascript'][] = 'js/multi-image.js';";
} else {
$multiimage = '';
}
$anonymous = base64_encode($_POST['anonymous']);
$blotter = base64_encode(purify_html(html_entity_decode($_POST['blotter'])));
$add_to_config = @file_get_contents($b.'/extra_config.php');
$replace = '';
if (isset($_POST['replace'])) {
if (sizeof($_POST['replace']) > 200 || sizeof($_POST['with']) > 200) {
error(_('Sorry, max 200 wordfilters allowed.'));
}
if (count($_POST['replace']) == count($_POST['with'])) {
foreach ($_POST['replace'] as $i => $r ) {
if ($r !== '') {
$w = $_POST['with'][$i];
if (strlen($w) > 255) {
error(sprintf(_('Sorry, %s is too long. Max replacement is 255 characters'), utf8tohtml($w)));
}
$replace .= '$config[\'wordfilters\'][] = array(base64_decode(\'' . base64_encode($r) . '\'), base64_decode(\'' . base64_encode($w) . '\'));';
}
}
}
if (is_billion_laughs($_POST['replace'], $_POST['with'])) {
error(_('Wordfilters may not wordfilter previous wordfilters. For example, if a filters to bb and b filters to cc, that is not allowed.'));
}
}
if (isset($_POST['hour_max_threads']) && in_array($_POST['hour_max_threads'], ['10', '25', '50', '100'])) {
$hour_max_threads = $_POST['hour_max_threads'];
} else {
$hour_max_threads = 'false';
}
if (isset($_POST['max_pages'])) {
$mp = (int)$_POST['max_pages'];
if ($mp > 25 || $mp < 2) {
$max_pages = 15;
} else {
$max_pages = $mp;
}
} else {
$max_pages = 15;
}
if (isset($_POST['reply_limit'])) {
$rl = (int)$_POST['reply_limit'];
if ($rl > 750 || $rl < 250 || $rl % 25) {
$reply_limit = 250;
} else {
$reply_limit = $rl;
}
} else {
$reply_limit = 250;
}
if (isset($_POST['max_newlines'])) {
$mn = (int)$_POST['max_newlines'];
if ($mn < 20 || $mn > 300) {
$max_newlines = 0;
} else {
$max_newlines = $mn;
}
} else {
$max_newlines = $mn;
}
if (!(strlen($title) < 40))
error('Invalid title');
if (!(strlen($subtitle) < 200))
error('Invalid subtitle');
$query = prepare('UPDATE ``boards`` SET `title` = :title, `subtitle` = :subtitle, `indexed` = :indexed, `public_bans` = :public_bans, `public_logs` = :public_logs, `8archive` = :8archive WHERE `uri` = :uri');
$query->bindValue(':title', $title);
$query->bindValue(':subtitle', $subtitle);
$query->bindValue(':uri', $b);
$query->bindValue(':indexed', !isset($_POST['meta_noindex']));
$query->bindValue(':public_bans', isset($_POST['public_bans']));
$query->bindValue(':public_logs', (int)$_POST['public_logs']);
$query->bindValue(':8archive', isset($_POST['8archive']));
$query->execute() or error(db_error($query));
$config_file = <<<EOT
<?php
\$config['country_flags'] = $country_flags;
\$config['field_disable_name'] = $field_disable_name;
\$config['enable_embedding'] = $enable_embedding;
\$config['force_image_op'] = $force_image_op;
\$config['disable_images'] = $disable_images;
\$config['poster_ids'] = $poster_ids;
\$config['show_sages'] = $show_sages;
\$config['auto_unicode'] = $auto_unicode;
\$config['strip_combining_chars'] = $strip_combining_chars;
\$config['allow_roll'] = $allow_roll;
\$config['image_reject_repost'] = $image_reject_repost;
\$config['image_reject_repost_in_thread'] = $image_reject_repost_in_thread;
\$config['early_404'] = $early_404;
\$config['allow_delete'] = $allow_delete;
\$config['anonymous'] = base64_decode('$anonymous');
\$config['blotter'] = base64_decode('$blotter');
\$config['stylesheets']['Custom'] = 'board/$b.css';
\$config['default_stylesheet'] = array('Custom', \$config['stylesheets']['Custom']);
\$config['captcha']['enabled'] = $captcha;
\$config['force_subject_op'] = $force_subject_op;
\$config['force_flag'] = $force_flag;
\$config['tor_posting'] = $tor_posting;
\$config['new_thread_capt'] = $new_thread_capt;
\$config['hour_max_threads'] = $hour_max_threads;
\$config['reply_limit'] = $reply_limit;
\$config['max_pages'] = $max_pages;
\$config['max_newlines'] = $max_newlines;
\$config['oekaki'] = $oekaki;
$code_tags $katex $replace $multiimage $allow_flash $allow_pdf $user_flags
if (\$config['disable_images'])
\$config['max_pages'] = 10000;
$locale
$add_to_config
EOT;
// Clean up our CSS...no more expression() or off-site URLs.
$clean_css = preg_replace('/expression\s*\(/', '', $_POST['css']);
$matched = array();
preg_match_all("#{$config['link_regex']}#im", $clean_css, $matched);
if (isset($matched[0])) {
foreach ($matched[0] as $match) {
$match_okay = false;
foreach ($config['allowed_offsite_urls'] as $allowed_url) {
if (strpos($match, $allowed_url) !== false && strpos($match, '#') === false) {
$match_okay = true;
}
}
if ($match_okay !== true) {
error(sprintf(_("Off-site link \"%s\" is not allowed in the board stylesheet"), $match));
}
}
}
//Filter out imports from sites with potentially unsafe content
$match_imports = '@import[^;]*';
$matched = array();
preg_match_all("#$match_imports#im", $clean_css, $matched);
$unsafe_import_urls = array('https://a.pomf.se/');
if (isset($matched[0])) {
foreach ($matched[0] as $match) {
$match_okay = true;
foreach ($unsafe_import_urls as $unsafe_import_url) {
if (strpos($match, $unsafe_import_url) !== false && strpos($match, '#') === false) {
$match_okay = false;
}
}
if ($match_okay !== true) {
error(sprintf(_("Potentially unsafe import \"%s\" is not allowed in the board stylesheet"), $match));
}
}
}
$query = query('SELECT `uri`, `title`, `subtitle` FROM ``boards`` WHERE `8archive` = TRUE');
file_write('8archive.json', json_encode($query->fetchAll(PDO::FETCH_ASSOC)));
file_write($b.'/config.php', $config_file);
file_write('stylesheets/board/'.$b.'.css', $clean_css);
$_config = $config;
unset($config['wordfilters']);
// Faster than openBoard and bypasses cache...we're trusting the PHP output
// to be safe enough to run with every request, we can eval it here.
eval(str_replace('flags.php', "$b/flags.php", preg_replace('/^\<\?php$/m', '', $config_file)));
// czaks: maybe reconsider using it, now that config is cached?
// be smarter about rebuilds...only some changes really require us to rebuild all threads
if ($_config['captcha']['enabled'] != $config['captcha']['enabled']
|| $_config['new_thread_capt'] != $config['new_thread_capt'] /*New thread captcha - if toggling "enable captcha" requires this, toggling new thread capt does too, I guess.*/
|| $_config['captcha']['extra'] != $config['captcha']['extra']
|| $_config['blotter'] != $config['blotter']
|| $_config['field_disable_name'] != $config['field_disable_name']
|| $_config['show_sages'] != (isset($config['show_sages']) && $config['show_sages'])) {
buildIndex();
$query = query(sprintf("SELECT `id` FROM ``posts_%s`` WHERE `thread` IS NULL", $b)) or error(db_error());
while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
buildThread($post['id']);
}
}
modLog('Edited board settings', $b);
}
$query = prepare('SELECT * FROM boards WHERE uri = :board');
$query->bindValue(':board', $b);
$query->execute() or error(db_error($query));
$board = $query->fetchAll()[0];
// Clean the cache
if ($config['cache']['enabled']) {
cache::delete('board_' . $board['uri']);
cache::delete('all_boards');
cache::delete('config_' . $board['uri']);
cache::delete('events_' . $board['uri']);
unlink('tmp/cache/locale_' . $board['uri']);
}
$css = @file_get_contents('stylesheets/board/' . $board['uri'] . '.css');
mod_page(_('Board configuration'), 'mod/settings.html', array('board'=>$board, 'css'=>prettify_textarea($css), 'token'=>make_secure_link_token('settings/'.$board['uri']), 'languages'=>$possible_languages,'allowed_urls'=>$config['allowed_offsite_urls']));
}