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https://github.com/torrentpier/torrentpier.git
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8b78253ddc
* Don't update download counter if attachment not exists * Update CHANGELOG.md * Update CHANGELOG.md * Updated
235 lines
7.6 KiB
PHP
235 lines
7.6 KiB
PHP
<?php
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/**
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* TorrentPier – Bull-powered BitTorrent tracker engine
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*
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* @copyright Copyright (c) 2005-2024 TorrentPier (https://torrentpier.com)
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* @link https://github.com/torrentpier/torrentpier for the canonical source repository
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* @license https://github.com/torrentpier/torrentpier/blob/master/LICENSE MIT License
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*/
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define('BB_SCRIPT', 'dl');
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define('NO_GZIP', true);
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require __DIR__ . '/common.php';
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require ATTACH_DIR . '/attachment_mod.php';
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$datastore->enqueue([
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'attach_extensions',
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'cat_forums'
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]);
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$download_id = request_var('id', 0);
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$thumbnail = request_var('thumb', 0);
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// Send file to browser
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function send_file_to_browser($attachment, $upload_dir)
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{
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global $bb_cfg, $lang;
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$filename = $upload_dir . '/' . $attachment['physical_filename'];
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$gotit = false;
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if (is_file(realpath($filename))) {
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$gotit = true;
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} else {
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bb_die($lang['ERROR_NO_ATTACHMENT'] . '<br /><br />' . htmlCHR($filename));
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}
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// Correct the mime type - we force application/octet-stream for all files, except images
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// Please do not change this, it is a security precaution
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if (!str_contains($attachment['mimetype'], 'image')) {
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$attachment['mimetype'] = 'application/octet-stream';
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} else {
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header('Cache-Control: public, max-age=3600');
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}
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//bt
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if (!(isset($_GET['original']) && !IS_USER)) {
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\TorrentPier\Legacy\Torrent::send_torrent_with_passkey($filename);
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}
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// Now the tricky part... let's dance
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header('Pragma: public');
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$real_filename = clean_filename(basename($attachment['real_filename']));
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$mimetype = $attachment['mimetype'] . ';';
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$charset = "charset={$bb_cfg['charset']};";
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// Send out the Headers
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header("Content-Type: $mimetype $charset name=\"$real_filename\"");
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header("Content-Disposition: inline; filename=\"$real_filename\"");
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unset($real_filename);
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// Now send the File Contents to the Browser
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if ($gotit) {
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$size = filesize($filename);
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if ($size) {
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header("Content-length: $size");
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}
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readfile($filename);
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} else {
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bb_die($lang['ERROR_NO_ATTACHMENT'] . '<br /><br />' . htmlCHR($filename));
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}
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exit;
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}
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//
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// Start Session Management
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//
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$user->session_start();
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set_die_append_msg();
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if (!$download_id) {
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bb_die($lang['NO_ATTACHMENT_SELECTED']);
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}
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if ($attach_config['disable_mod'] && !IS_ADMIN) {
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bb_die($lang['ATTACHMENT_FEATURE_DISABLED']);
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}
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$sql = 'SELECT * FROM ' . BB_ATTACHMENTS_DESC . ' WHERE attach_id = ' . (int)$download_id;
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if (!($result = DB()->sql_query($sql))) {
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bb_die('Could not query attachment information #1');
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}
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if (!($attachment = DB()->sql_fetchrow($result))) {
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bb_die($lang['ERROR_NO_ATTACHMENT']);
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}
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$attachment['physical_filename'] = basename($attachment['physical_filename']);
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// Re-define $attachment['physical_filename'] for thumbnails
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if ($thumbnail) {
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$attachment['physical_filename'] = THUMB_DIR . '/t_' . $attachment['physical_filename'];
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}
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DB()->sql_freeresult($result);
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// get forum_id for attachment authorization or private message authorization
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$authorised = false;
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$sql = 'SELECT * FROM ' . BB_ATTACHMENTS . ' WHERE attach_id = ' . (int)$attachment['attach_id'];
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if (!($result = DB()->sql_query($sql))) {
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bb_die('Could not query attachment information #2');
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}
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$auth_pages = DB()->sql_fetchrowset($result);
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$num_auth_pages = DB()->num_rows($result);
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for ($i = 0; $i < $num_auth_pages && $authorised == false; $i++) {
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$auth_pages[$i]['post_id'] = (int)$auth_pages[$i]['post_id'];
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if ($auth_pages[$i]['post_id'] != 0) {
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$sql = 'SELECT forum_id, topic_id FROM ' . BB_POSTS . ' WHERE post_id = ' . (int)$auth_pages[$i]['post_id'];
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if (!($result = DB()->sql_query($sql))) {
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bb_die('Could not query post information');
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}
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$row = DB()->sql_fetchrow($result);
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$topic_id = $row['topic_id'];
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$forum_id = $row['forum_id'];
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$is_auth = auth(AUTH_ALL, $forum_id, $userdata);
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set_die_append_msg($forum_id, $topic_id);
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if ($is_auth['auth_download']) {
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$authorised = true;
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}
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}
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}
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// Check the auth rights
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if (!$authorised) {
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bb_die($lang['SORRY_AUTH_VIEW_ATTACH'], 403);
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}
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$datastore->rm('cat_forums');
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// Check tor status
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if (!IS_AM && str_contains($attachment['mimetype'], 'bittorrent')) {
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$sql = 'SELECT tor_status, poster_id FROM ' . BB_BT_TORRENTS . ' WHERE attach_id = ' . (int)$attachment['attach_id'];
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if (!($result = DB()->sql_query($sql))) {
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bb_die('Could not query tor_status information');
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}
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$row = DB()->sql_fetchrow($result);
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if (isset($bb_cfg['tor_frozen'][$row['tor_status']]) && !(isset($bb_cfg['tor_frozen_author_download'][$row['tor_status']]) && $userdata['user_id'] === $row['poster_id'])) {
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bb_die($lang['TOR_STATUS_FORBIDDEN'] . $lang['TOR_STATUS_NAME'][$row['tor_status']]);
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}
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DB()->sql_freeresult($result);
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}
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// Get Information on currently allowed Extensions
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$rows = get_extension_informations();
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$num_rows = count($rows);
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$allowed_extensions = $download_mode = [];
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for ($i = 0; $i < $num_rows; $i++) {
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$extension = strtolower(trim($rows[$i]['extension']));
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// Get allowed extensions
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if ((int)$rows[$i]['allow_group'] === 1) {
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$allowed_extensions[] = $extension;
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}
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$download_mode[$extension] = $rows[$i]['download_mode'];
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}
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// Disallowed
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if (!in_array($attachment['extension'], $allowed_extensions) && !IS_ADMIN) {
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bb_die(sprintf($lang['EXTENSION_DISABLED_AFTER_POSTING'], $attachment['extension']) . '<br /><br />' . $lang['FILENAME'] . ": " . $attachment['physical_filename']);
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}
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// Getting download mode by extension
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if (isset($download_mode[$attachment['extension']])) {
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$download_mode = (int)$download_mode[$attachment['extension']];
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} else {
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bb_die(sprintf($lang['EXTENSION_DISABLED_AFTER_POSTING'], $attachment['extension']) . '<br /><br />' . $lang['FILENAME'] . ": " . $attachment['physical_filename']);
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}
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// Update download count
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if (!$thumbnail && is_file(realpath($upload_dir . '/' . $attachment['physical_filename']))) {
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$sql = 'UPDATE ' . BB_ATTACHMENTS_DESC . ' SET download_count = download_count + 1 WHERE attach_id = ' . (int)$attachment['attach_id'];
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if (!DB()->sql_query($sql)) {
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bb_die('Could not update attachment download count');
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}
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}
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// Determine the 'presenting'-method
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switch ($download_mode) {
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case PHYSICAL_LINK:
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$url = make_url($upload_dir . '/' . $attachment['physical_filename']);
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header('Location: ' . $url);
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exit;
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case INLINE_LINK:
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if (IS_GUEST && !$bb_cfg['captcha']['disabled'] && !bb_captcha('check')) {
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global $template;
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$redirect_url = $_POST['redirect_url'] ?? $_SERVER['HTTP_REFERER'] ?? '/';
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$message = '<form action="' . DL_URL . $attachment['attach_id'] . '" method="post">';
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$message .= $lang['CAPTCHA'] . ':';
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$message .= '<div class="mrg_10" align="center">' . bb_captcha('get') . '</div>';
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$message .= '<input type="hidden" name="redirect_url" value="' . $redirect_url . '" />';
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$message .= '<input type="submit" class="bold" value="' . $lang['SUBMIT'] . '" /> ';
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$message .= '<input type="button" class="bold" value="' . $lang['GO_BACK'] . '" onclick="document.location.href = \'' . $redirect_url . '\';" />';
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$message .= '</form>';
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$template->assign_vars(['ERROR_MESSAGE' => $message]);
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require(PAGE_HEADER);
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require(PAGE_FOOTER);
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}
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send_file_to_browser($attachment, $upload_dir);
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exit;
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default:
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bb_die('Incorrect download mode: ' . $download_mode);
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}
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