} if (is_string($handler) && preg_match('/^secure(_POST)? /', $handler, $m)) { $secure_post_only = isset($m[1]); if (!$secure_post_only || $_SERVER['REQUEST_METHOD'] == 'POST') { $token = isset($matches['token']) ? $matches['token'] : (isset($_POST['token']) ? $_POST['token'] : false); if ($token === false) { if ($secure_post_only) { error($config['error']['csrf']); } else { mod_confirm(substr($query, 1)); exit; } } // CSRF-protected page; validate security token $actual_query = preg_replace('!/([a-f0-9]{8})$!', '', $query); if ($token != make_secure_link_token(substr($actual_query, 1))) { error($config['error']['csrf']); } } $handler = preg_replace('/^secure(_POST)? /', '', $handler); } if ($config['debug']) { $debug['mod_page'] = array('req' => $query, 'match' => $uri, 'handler' => $handler); $debug['time']['parse_mod_req'] = '~' . round((microtime(true) - $parse_start_time) * 1000, 2) . 'ms'; } if (is_string($handler)) { if ($handler[0] == ':') { header('Location: ' . substr($handler, 1), true, $config['redirect_http']); } elseif (is_callable("mod_page_{$handler}")) { call_user_func_array("mod_page_{$handler}", $matches); } elseif (is_callable("mod_{$handler}")) {
function mod_debug_sql() { global $config; if (!hasPermission($config['mod']['debug_sql'])) { error($config['error']['noaccess']); } $args['security_token'] = make_secure_link_token('debug/sql'); if (isset($_POST['query'])) { $args['query'] = $_POST['query']; if ($query = query($_POST['query'])) { $args['result'] = $query->fetchAll(PDO::FETCH_ASSOC); if (!empty($args['result'])) { $args['keys'] = array_keys($args['result'][0]); } else { $args['result'] = 'empty'; } } else { $args['error'] = db_error(); } } mod_page(_('Debug: SQL'), 'mod/debug/sql.html', $args); }
function mod_8_settings($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') { $board_type = $_POST['board_type']; $imgboard = $board_type == 'imgboard'; $txtboard = $board_type == 'txtboard'; $fileboard = $board_type == 'fileboard'; $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 = $imgboard && isset($_POST['force_image_op']) ? 'true' : 'false'; $disable_images = $txtboard ? '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 = $imgboard && isset($_POST['allow_flash']) ? '$config[\'allowed_ext_files\'][] = \'swf\';' : ''; $allow_pdf = $imgboard && isset($_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'; $tor_image_posting = isset($_POST['tor_image_posting']) ? 'true' : 'false'; $robot_enable = isset($_POST['robot_enable']) ? 'true' : 'false'; $new_thread_capt = isset($_POST['new_thread_capt']) ? 'true' : 'false'; $oekaki = ($imgboard || $fileboard) && isset($_POST['oekaki']) ? 'true' : 'false'; $view_bumplock = isset($_POST['view_bumplock']) ? '-1' : 'MOD'; if ($tor_image_posting === 'true' && isset($_POST['meta_noindex'])) { error('Please index your board to enable this.'); } 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']};\n\t\t\t\t\t \$config['additional_javascript'][] = 'js/multi-image.js';"; } else { $multiimage = ''; } if (isset($_POST['custom_assets'])) { $assets = "\$config['custom_assets'] = true;\n\t\t\t\t \$config['spoiler_image'] = 'static/assets/{$b}/spoiler.png';\n\t\t\t\t \$config['image_deleted'] = 'static/assets/{$b}/deleted.png';\n\t\t\t\t \$config['no_file_image'] = 'static/assets/{$b}/no-file.png';\n\t\t\t\t"; } else { $assets = ''; } $file_board = ''; if ($fileboard) { $force_image_op = true; $file_board = "\$config['threads_per_page'] = 30;\n\t\t\t\t\t \$config['file_board'] = true;\n\t\t\t\t\t \$config['threads_preview'] = 0;\n\t\t\t\t \$config['threads_preview_sticky'] = 0;\n\t\t\t\t\t \$config['allowed_ext_files'] = array();\n"; if (isset($_POST['allowed_type'])) { foreach ($_POST['allowed_type'] as $val) { if (in_array($val, $config['fileboard_allowed_types'])) { $file_board .= "\$config['allowed_ext_files'][] = '{$val}';\n"; } } } if (isset($_POST['allowed_ext_op'])) { $file_board .= "\$config['allowed_ext_op'] = \$config['allowed_ext_files'];\n"; if (isset($_POST['allowed_ext_op_video'])) { $file_board .= "\$config['allowed_ext_op'][] = 'webm';\n\t\t\t\t\t\t\t\t\$config['allowed_ext_op'][] = 'mp4';\n"; } } if (isset($_POST['tag_id'])) { $file_board .= "\$config['allowed_tags'] = array();\n"; foreach ($_POST['tag_id'] as $id => $v) { $file_board .= "\$config['allowed_tags']["; $file_board .= 'base64_decode("'; $file_board .= base64_encode($_POST['tag_id'][$id]); $file_board .= '")'; $file_board .= "] = "; $file_board .= 'base64_decode("'; $file_board .= base64_encode($_POST['tag_desc'][$id]); $file_board .= '")'; $file_board .= ";\n"; } } } $anal_filenames = $fileboard && isset($_POST['anal_filenames']) ? "\$config['filename_func'] = 'filename_func';\n" : ''; $anonymous = base64_encode($_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']) && (int) $_POST['hour_max_threads'] > 0 && (int) $_POST['hour_max_threads'] < 101) { $hour_max_threads = (int) $_POST['hour_max_threads']; } else { $hour_max_threads = 'false'; } if (isset($_POST['max_pages'])) { $mp = (int) $_POST['max_pages']; if ($mp > 25 || $mp < 1) { $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 { $max_newlines = 0; } if (isset($_POST['min_body'])) { $mb = (int) $_POST['min_body']; if ($mb < 0 || $mb > 1024) { $min_body = 0; } else { $min_body = $mb; } } else { $min_body = 0; } if (!(strlen($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['tor_image_posting'] = {$tor_image_posting}; \$config['robot_enable'] = {$robot_enable}; \$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}; \$config['min_body'] = {$min_body}; \$config['mod']['view_bumplock'] = {$view_bumplock}; {$code_tags} {$katex} {$replace} {$multiimage} {$allow_flash} {$allow_pdf} {$user_flags} {$assets} {$locale} {$anal_filenames} {$file_board} if (\$config['disable_images']) \t\$config['max_pages'] = 10000; {$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 && strpos($match, '?') === false && strpos($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'] || $_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' => $config['allowed_offsite_urls'])); }
function secure_link($href) { return $href . '/' . make_secure_link_token($href); }
function mod_ban_post($board, $delete, $post, $token = false) { global $config, $mod; if (!openBoard($board)) { error($config['error']['noboard']); } if (!hasPermission($config['mod']['delete'], $board)) { error($config['error']['noaccess']); } $security_token = make_secure_link_token($board . '/ban/' . $post); $query = prepare(sprintf('SELECT `ip`, `thread` FROM `posts_%s` WHERE `id` = :id', $board)); $query->bindValue(':id', $post); $query->execute() or error(db_error($query)); if (!($_post = $query->fetch(PDO::FETCH_ASSOC))) { error($config['error']['404']); } $thread = $_post['thread']; $ip = $_post['ip']; if (isset($_POST['new_ban'], $_POST['reason'], $_POST['length'], $_POST['board'])) { require_once 'inc/mod/ban.php'; if (isset($_POST['ip'])) { $ip = $_POST['ip']; } ban($ip, $_POST['reason'], parse_time($_POST['length']), $_POST['board'] == '*' ? false : $_POST['board']); if (isset($_POST['public_message'], $_POST['message'])) { // public ban message $query = prepare(sprintf('UPDATE `posts_%s` SET `body` = CONCAT(`body`, :body) WHERE `id` = :id', $board)); $query->bindValue(':id', $post); $query->bindValue(':body', sprintf($config['mod']['ban_message'], utf8tohtml($_POST['message']))); $query->execute() or error(db_error($query)); modLog("Attached a public ban message to post #{$post}: " . utf8tohtml($_POST['message'])); buildThread($thread ? $thread : $post); buildIndex(); } elseif (isset($_POST['delete']) && (int) $_POST['delete']) { // Delete post deletePost($post); modLog("Deleted post #{$post}"); // Rebuild board buildIndex(); } header('Location: ?/' . sprintf($config['board_path'], $board) . $config['file_index'], true, $config['redirect_http']); } $args = array('ip' => $ip, 'hide_ip' => !hasPermission($config['mod']['show_ip'], $board), 'post' => $post, 'board' => $board, 'delete' => (bool) $delete, 'boards' => listBoards(), 'token' => $security_token); mod_page(_('New ban'), 'mod/ban_form.html', $args); }