Code Coverage |
||||||||||
Classes and Traits |
Functions and Methods |
Lines |
||||||||
| Total | n/a |
0 / 0 |
|
13.33% |
2 / 15 |
CRAP | |
12.65% |
32 / 253 |
|
| send_avatar_to_browser | |
0.00% |
0 / 1 |
272.00 | |
0.00% |
0 / 32 |
|||
| wrap_img_in_html | |
0.00% |
0 / 1 |
2.00 | |
0.00% |
0 / 14 |
|||
| send_file_to_browser | |
0.00% |
0 / 1 |
1260.00 | |
0.00% |
0 / 60 |
|||
| header_filename | |
0.00% |
0 / 1 |
12.00 | |
0.00% |
0 / 5 |
|||
| download_allowed | |
0.00% |
0 / 1 |
702.00 | |
0.00% |
0 / 43 |
|||
| set_modified_headers | |
0.00% |
0 / 1 |
42.00 | |
0.00% |
0 / 10 |
|||
| file_gc | |
0.00% |
0 / 1 |
12.00 | |
0.00% |
0 / 7 |
|||
| phpbb_http_byte_range | |
0.00% |
0 / 1 |
20.00 | |
0.00% |
0 / 6 |
|||
| phpbb_find_range_request | |
100.00% |
1 / 1 |
2 | |
100.00% |
5 / 5 |
|||
| phpbb_parse_range_request | |
0.00% |
0 / 1 |
17.94 | |
85.19% |
23 / 27 |
|||
| phpbb_increment_downloads | |
0.00% |
0 / 1 |
6.00 | |
0.00% |
0 / 5 |
|||
| phpbb_download_handle_forum_auth | |
0.00% |
0 / 1 |
56.00 | |
0.00% |
0 / 17 |
|||
| phpbb_download_handle_pm_auth | |
0.00% |
0 / 1 |
12.00 | |
0.00% |
0 / 11 |
|||
| phpbb_download_check_pm_auth | |
0.00% |
0 / 1 |
2.00 | |
0.00% |
0 / 7 |
|||
| phpbb_is_greater_ie_version | |
100.00% |
1 / 1 |
2 | |
100.00% |
4 / 4 |
|||
| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @license GNU General Public License, version 2 (GPL-2.0) | |
| * | |
| * For full copyright and license information, please see | |
| * the docs/CREDITS.txt file. | |
| * | |
| */ | |
| /** | |
| * @ignore | |
| */ | |
| if (!defined('IN_PHPBB')) | |
| { | |
| exit; | |
| } | |
| /** | |
| * A simplified function to deliver avatars | |
| * The argument needs to be checked before calling this function. | |
| */ | |
| function send_avatar_to_browser($file, $browser) | |
| { | |
| global $config, $phpbb_root_path; | |
| $prefix = $config['avatar_salt'] . '_'; | |
| $image_dir = $config['avatar_path']; | |
| // Adjust image_dir path (no trailing slash) | |
| if (substr($image_dir, -1, 1) == '/' || substr($image_dir, -1, 1) == '\\') | |
| { | |
| $image_dir = substr($image_dir, 0, -1) . '/'; | |
| } | |
| $image_dir = str_replace(array('../', '..\\', './', '.\\'), '', $image_dir); | |
| if ($image_dir && ($image_dir[0] == '/' || $image_dir[0] == '\\')) | |
| { | |
| $image_dir = ''; | |
| } | |
| $file_path = $phpbb_root_path . $image_dir . '/' . $prefix . $file; | |
| if ((@file_exists($file_path) && @is_readable($file_path)) && !headers_sent()) | |
| { | |
| header('Cache-Control: public'); | |
| $image_data = @getimagesize($file_path); | |
| header('Content-Type: ' . image_type_to_mime_type($image_data[2])); | |
| if ((strpos(strtolower($browser), 'msie') !== false) && !phpbb_is_greater_ie_version($browser, 7)) | |
| { | |
| header('Content-Disposition: attachment; ' . header_filename($file)); | |
| if (strpos(strtolower($browser), 'msie 6.0') !== false) | |
| { | |
| header('Expires: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT'); | |
| } | |
| else | |
| { | |
| header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 31536000) . ' GMT'); | |
| } | |
| } | |
| else | |
| { | |
| header('Content-Disposition: inline; ' . header_filename($file)); | |
| header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 31536000) . ' GMT'); | |
| } | |
| $size = @filesize($file_path); | |
| if ($size) | |
| { | |
| header("Content-Length: $size"); | |
| } | |
| if (@readfile($file_path) == false) | |
| { | |
| $fp = @fopen($file_path, 'rb'); | |
| if ($fp !== false) | |
| { | |
| while (!feof($fp)) | |
| { | |
| echo fread($fp, 8192); | |
| } | |
| fclose($fp); | |
| } | |
| } | |
| flush(); | |
| } | |
| else | |
| { | |
| header('HTTP/1.0 404 Not Found'); | |
| } | |
| } | |
| /** | |
| * Wraps an url into a simple html page. Used to display attachments in IE. | |
| * this is a workaround for now; might be moved to template system later | |
| * direct any complaints to 1 Microsoft Way, Redmond | |
| */ | |
| function wrap_img_in_html($src, $title) | |
| { | |
| echo '<!DOCTYPE html>'; | |
| echo '<html>'; | |
| echo '<head>'; | |
| echo '<meta charset="utf-8">'; | |
| echo '<meta http-equiv="X-UA-Compatible" content="IE=edge">'; | |
| echo '<title>' . $title . '</title>'; | |
| echo '</head>'; | |
| echo '<body>'; | |
| echo '<div>'; | |
| echo '<img src="' . $src . '" alt="' . $title . '" />'; | |
| echo '</div>'; | |
| echo '</body>'; | |
| echo '</html>'; | |
| } | |
| /** | |
| * Send file to browser | |
| */ | |
| function send_file_to_browser($attachment, $upload_dir, $category) | |
| { | |
| global $user, $db, $phpbb_dispatcher, $phpbb_root_path, $request; | |
| $filename = $phpbb_root_path . $upload_dir . '/' . $attachment['physical_filename']; | |
| if (!@file_exists($filename)) | |
| { | |
| send_status_line(404, 'Not Found'); | |
| trigger_error('ERROR_NO_ATTACHMENT'); | |
| } | |
| // Correct the mime type - we force application/octetstream for all files, except images | |
| // Please do not change this, it is a security precaution | |
| if ($category != ATTACHMENT_CATEGORY_IMAGE || strpos($attachment['mimetype'], 'image') !== 0) | |
| { | |
| $attachment['mimetype'] = (strpos(strtolower($user->browser), 'msie') !== false || strpos(strtolower($user->browser), 'opera') !== false) ? 'application/octetstream' : 'application/octet-stream'; | |
| } | |
| if (@ob_get_length()) | |
| { | |
| @ob_end_clean(); | |
| } | |
| // Now send the File Contents to the Browser | |
| $size = @filesize($filename); | |
| /** | |
| * Event to alter attachment before it is sent to browser. | |
| * | |
| * @event core.send_file_to_browser_before | |
| * @var array attachment Attachment data | |
| * @var string upload_dir Relative path of upload directory | |
| * @var int category Attachment category | |
| * @var string filename Path to file, including filename | |
| * @var int size File size | |
| * @since 3.1.11-RC1 | |
| */ | |
| $vars = array( | |
| 'attachment', | |
| 'upload_dir', | |
| 'category', | |
| 'filename', | |
| 'size', | |
| ); | |
| extract($phpbb_dispatcher->trigger_event('core.send_file_to_browser_before', compact($vars))); | |
| // To correctly display further errors we need to make sure we are using the correct headers for both (unsetting content-length may not work) | |
| // Check if headers already sent or not able to get the file contents. | |
| if (headers_sent() || !@file_exists($filename) || !@is_readable($filename)) | |
| { | |
| // PHP track_errors setting On? | |
| if (!empty($php_errormsg)) | |
| { | |
| send_status_line(500, 'Internal Server Error'); | |
| trigger_error($user->lang['UNABLE_TO_DELIVER_FILE'] . '<br />' . sprintf($user->lang['TRACKED_PHP_ERROR'], $php_errormsg)); | |
| } | |
| send_status_line(500, 'Internal Server Error'); | |
| trigger_error('UNABLE_TO_DELIVER_FILE'); | |
| } | |
| // Make sure the database record for the filesize is correct | |
| if ($size > 0 && $size != $attachment['filesize'] && strpos($attachment['physical_filename'], 'thumb_') === false) | |
| { | |
| // Update database record | |
| $sql = 'UPDATE ' . ATTACHMENTS_TABLE . ' | |
| SET filesize = ' . (int) $size . ' | |
| WHERE attach_id = ' . (int) $attachment['attach_id']; | |
| $db->sql_query($sql); | |
| } | |
| // Now the tricky part... let's dance | |
| header('Cache-Control: private'); | |
| // Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer. | |
| header('Content-Type: ' . $attachment['mimetype']); | |
| if (phpbb_is_greater_ie_version($user->browser, 7)) | |
| { | |
| header('X-Content-Type-Options: nosniff'); | |
| } | |
| if (empty($user->browser) || ((strpos(strtolower($user->browser), 'msie') !== false) && !phpbb_is_greater_ie_version($user->browser, 7))) | |
| { | |
| header('Content-Disposition: attachment; ' . header_filename(html_entity_decode($attachment['real_filename'], ENT_COMPAT))); | |
| if (empty($user->browser) || (strpos(strtolower($user->browser), 'msie 6.0') !== false)) | |
| { | |
| header('Expires: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT'); | |
| } | |
| } | |
| else | |
| { | |
| header('Content-Disposition: ' . ((strpos($attachment['mimetype'], 'image') === 0) ? 'inline' : 'attachment') . '; ' . header_filename(html_entity_decode($attachment['real_filename'], ENT_COMPAT))); | |
| if (phpbb_is_greater_ie_version($user->browser, 7) && (strpos($attachment['mimetype'], 'image') !== 0)) | |
| { | |
| header('X-Download-Options: noopen'); | |
| } | |
| } | |
| // Close the db connection before sending the file etc. | |
| file_gc(false); | |
| if (!set_modified_headers($attachment['filetime'], $user->browser)) | |
| { | |
| // We make sure those have to be enabled manually by defining a constant | |
| // because of the potential disclosure of full attachment path | |
| // in case support for features is absent in the webserver software. | |
| if (defined('PHPBB_ENABLE_X_ACCEL_REDIRECT') && PHPBB_ENABLE_X_ACCEL_REDIRECT) | |
| { | |
| // X-Accel-Redirect - http://wiki.nginx.org/XSendfile | |
| header('X-Accel-Redirect: ' . $user->page['root_script_path'] . $upload_dir . '/' . $attachment['physical_filename']); | |
| exit; | |
| } | |
| else if (defined('PHPBB_ENABLE_X_SENDFILE') && PHPBB_ENABLE_X_SENDFILE && !phpbb_http_byte_range($size)) | |
| { | |
| // X-Sendfile - http://blog.lighttpd.net/articles/2006/07/02/x-sendfile | |
| // Lighttpd's X-Sendfile does not support range requests as of 1.4.26 | |
| // and always requires an absolute path. | |
| header('X-Sendfile: ' . __DIR__ . "/../$upload_dir/{$attachment['physical_filename']}"); | |
| exit; | |
| } | |
| if ($size) | |
| { | |
| header("Content-Length: $size"); | |
| } | |
| // Try to deliver in chunks | |
| @set_time_limit(0); | |
| $fp = @fopen($filename, 'rb'); | |
| if ($fp !== false) | |
| { | |
| // Deliver file partially if requested | |
| if ($range = phpbb_http_byte_range($size)) | |
| { | |
| fseek($fp, $range['byte_pos_start']); | |
| send_status_line(206, 'Partial Content'); | |
| header('Content-Range: bytes ' . $range['byte_pos_start'] . '-' . $range['byte_pos_end'] . '/' . $range['bytes_total']); | |
| header('Content-Length: ' . $range['bytes_requested']); | |
| // First read chunks | |
| while (!feof($fp) && ftell($fp) < $range['byte_pos_end'] - 8192) | |
| { | |
| echo fread($fp, 8192); | |
| } | |
| // Then, read the remainder | |
| echo fread($fp, $range['bytes_requested'] % 8192); | |
| } | |
| else | |
| { | |
| while (!feof($fp)) | |
| { | |
| echo fread($fp, 8192); | |
| } | |
| } | |
| fclose($fp); | |
| } | |
| else | |
| { | |
| @readfile($filename); | |
| } | |
| flush(); | |
| } | |
| exit; | |
| } | |
| /** | |
| * Get a browser friendly UTF-8 encoded filename | |
| */ | |
| function header_filename($file) | |
| { | |
| global $request; | |
| $user_agent = $request->header('User-Agent'); | |
| // There be dragons here. | |
| // Not many follows the RFC... | |
| if (strpos($user_agent, 'MSIE') !== false || strpos($user_agent, 'Konqueror') !== false) | |
| { | |
| return "filename=" . rawurlencode($file); | |
| } | |
| // follow the RFC for extended filename for the rest | |
| return "filename*=UTF-8''" . rawurlencode($file); | |
| } | |
| /** | |
| * Check if downloading item is allowed | |
| */ | |
| function download_allowed() | |
| { | |
| global $config, $user, $db, $request; | |
| if (!$config['secure_downloads']) | |
| { | |
| return true; | |
| } | |
| $url = html_entity_decode($request->header('Referer'), ENT_COMPAT); | |
| if (!$url) | |
| { | |
| return ($config['secure_allow_empty_referer']) ? true : false; | |
| } | |
| // Split URL into domain and script part | |
| $url = @parse_url($url); | |
| if ($url === false) | |
| { | |
| return ($config['secure_allow_empty_referer']) ? true : false; | |
| } | |
| $hostname = $url['host']; | |
| unset($url); | |
| $allowed = ($config['secure_allow_deny']) ? false : true; | |
| $iplist = array(); | |
| if (($ip_ary = @gethostbynamel($hostname)) !== false) | |
| { | |
| foreach ($ip_ary as $ip) | |
| { | |
| if ($ip) | |
| { | |
| $iplist[] = $ip; | |
| } | |
| } | |
| } | |
| // Check for own server... | |
| $server_name = $user->host; | |
| // Forcing server vars is the only way to specify/override the protocol | |
| if ($config['force_server_vars'] || !$server_name) | |
| { | |
| $server_name = $config['server_name']; | |
| } | |
| if (preg_match('#^.*?' . preg_quote($server_name, '#') . '.*?$#i', $hostname)) | |
| { | |
| $allowed = true; | |
| } | |
| // Get IP's and Hostnames | |
| if (!$allowed) | |
| { | |
| $sql = 'SELECT site_ip, site_hostname, ip_exclude | |
| FROM ' . SITELIST_TABLE; | |
| $result = $db->sql_query($sql); | |
| while ($row = $db->sql_fetchrow($result)) | |
| { | |
| $site_ip = trim($row['site_ip']); | |
| $site_hostname = trim($row['site_hostname']); | |
| if ($site_ip) | |
| { | |
| foreach ($iplist as $ip) | |
| { | |
| if (preg_match('#^' . str_replace('\*', '.*?', preg_quote($site_ip, '#')) . '$#i', $ip)) | |
| { | |
| if ($row['ip_exclude']) | |
| { | |
| $allowed = ($config['secure_allow_deny']) ? false : true; | |
| break 2; | |
| } | |
| else | |
| { | |
| $allowed = ($config['secure_allow_deny']) ? true : false; | |
| } | |
| } | |
| } | |
| } | |
| if ($site_hostname) | |
| { | |
| if (preg_match('#^' . str_replace('\*', '.*?', preg_quote($site_hostname, '#')) . '$#i', $hostname)) | |
| { | |
| if ($row['ip_exclude']) | |
| { | |
| $allowed = ($config['secure_allow_deny']) ? false : true; | |
| break; | |
| } | |
| else | |
| { | |
| $allowed = ($config['secure_allow_deny']) ? true : false; | |
| } | |
| } | |
| } | |
| } | |
| $db->sql_freeresult($result); | |
| } | |
| return $allowed; | |
| } | |
| /** | |
| * Check if the browser has the file already and set the appropriate headers- | |
| * @returns false if a resend is in order. | |
| */ | |
| function set_modified_headers($stamp, $browser) | |
| { | |
| global $request; | |
| // let's see if we have to send the file at all | |
| $last_load = $request->header('If-Modified-Since') ? strtotime(trim($request->header('If-Modified-Since'))) : false; | |
| if (strpos(strtolower($browser), 'msie 6.0') === false && !phpbb_is_greater_ie_version($browser, 7)) | |
| { | |
| if ($last_load !== false && $last_load >= $stamp) | |
| { | |
| send_status_line(304, 'Not Modified'); | |
| // seems that we need those too ... browsers | |
| header('Cache-Control: private'); | |
| header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 31536000) . ' GMT'); | |
| return true; | |
| } | |
| else | |
| { | |
| header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $stamp) . ' GMT'); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Garbage Collection | |
| * | |
| * @param bool $exit Whether to die or not. | |
| * | |
| * @return null | |
| */ | |
| function file_gc($exit = true) | |
| { | |
| global $cache, $db; | |
| if (!empty($cache)) | |
| { | |
| $cache->unload(); | |
| } | |
| $db->sql_close(); | |
| if ($exit) | |
| { | |
| exit; | |
| } | |
| } | |
| /** | |
| * HTTP range support (RFC 2616 Section 14.35) | |
| * | |
| * Allows browsers to request partial file content | |
| * in case a download has been interrupted. | |
| * | |
| * @param int $filesize the size of the file in bytes we are about to deliver | |
| * | |
| * @return mixed false if the whole file has to be delivered | |
| * associative array on success | |
| */ | |
| function phpbb_http_byte_range($filesize) | |
| { | |
| // Only call find_range_request() once. | |
| static $request_array; | |
| if (!$filesize) | |
| { | |
| return false; | |
| } | |
| if (!isset($request_array)) | |
| { | |
| $request_array = phpbb_find_range_request(); | |
| } | |
| return (empty($request_array)) ? false : phpbb_parse_range_request($request_array, $filesize); | |
| } | |
| /** | |
| * Searches for HTTP range request in request headers. | |
| * | |
| * @return mixed false if no request found | |
| * array of strings containing the requested ranges otherwise | |
| * e.g. array(0 => '0-0', 1 => '123-125') | |
| */ | |
| function phpbb_find_range_request() | |
| { | |
| global $request; | |
| $value = $request->header('Range'); | |
| // Make sure range request starts with "bytes=" | |
| if (strpos($value, 'bytes=') === 0) | |
| { | |
| // Strip leading 'bytes=' | |
| // Multiple ranges can be separated by a comma | |
| return explode(',', substr($value, 6)); | |
| } | |
| return false; | |
| } | |
| /** | |
| * Analyses a range request array. | |
| * | |
| * A range request can contain multiple ranges, | |
| * we however only handle the first request and | |
| * only support requests from a given byte to the end of the file. | |
| * | |
| * @param array $request_array array of strings containing the requested ranges | |
| * @param int $filesize the full size of the file in bytes that has been requested | |
| * | |
| * @return mixed false if the whole file has to be delivered | |
| * associative array on success | |
| * byte_pos_start the first byte position, can be passed to fseek() | |
| * byte_pos_end the last byte position | |
| * bytes_requested the number of bytes requested | |
| * bytes_total the full size of the file | |
| */ | |
| function phpbb_parse_range_request($request_array, $filesize) | |
| { | |
| $first_byte_pos = -1; | |
| $last_byte_pos = -1; | |
| // Go through all ranges | |
| foreach ($request_array as $range_string) | |
| { | |
| $range = explode('-', trim($range_string)); | |
| // "-" is invalid, "0-0" however is valid and means the very first byte. | |
| if (count($range) != 2 || $range[0] === '' && $range[1] === '') | |
| { | |
| continue; | |
| } | |
| // Substitute defaults | |
| if ($range[0] === '') | |
| { | |
| $range[0] = 0; | |
| } | |
| if ($range[1] === '') | |
| { | |
| $range[1] = $filesize - 1; | |
| } | |
| if ($last_byte_pos >= 0 && $last_byte_pos + 1 != $range[0]) | |
| { | |
| // We only support contiguous ranges, no multipart stuff :( | |
| return false; | |
| } | |
| if ($range[1] && $range[1] < $range[0]) | |
| { | |
| // The requested range contains 0 bytes. | |
| continue; | |
| } | |
| // Return bytes from $range[0] to $range[1] | |
| if ($first_byte_pos < 0) | |
| { | |
| $first_byte_pos = (int) $range[0]; | |
| } | |
| $last_byte_pos = (int) $range[1]; | |
| if ($first_byte_pos >= $filesize) | |
| { | |
| // Requested range not satisfiable | |
| return false; | |
| } | |
| // Adjust last-byte-pos if it is absent or greater than the content. | |
| if ($range[1] === '' || $last_byte_pos >= $filesize) | |
| { | |
| $last_byte_pos = $filesize - 1; | |
| } | |
| } | |
| if ($first_byte_pos < 0 || $last_byte_pos < 0) | |
| { | |
| return false; | |
| } | |
| return array( | |
| 'byte_pos_start' => $first_byte_pos, | |
| 'byte_pos_end' => $last_byte_pos, | |
| 'bytes_requested' => $last_byte_pos - $first_byte_pos + 1, | |
| 'bytes_total' => $filesize, | |
| ); | |
| } | |
| /** | |
| * Increments the download count of all provided attachments | |
| * | |
| * @param \phpbb\db\driver\driver_interface $db The database object | |
| * @param array|int $ids The attach_id of each attachment | |
| * | |
| * @return null | |
| */ | |
| function phpbb_increment_downloads($db, $ids) | |
| { | |
| if (!is_array($ids)) | |
| { | |
| $ids = array($ids); | |
| } | |
| $sql = 'UPDATE ' . ATTACHMENTS_TABLE . ' | |
| SET download_count = download_count + 1 | |
| WHERE ' . $db->sql_in_set('attach_id', $ids); | |
| $db->sql_query($sql); | |
| } | |
| /** | |
| * Handles authentication when downloading attachments from a post or topic | |
| * | |
| * @param \phpbb\db\driver\driver_interface $db The database object | |
| * @param \phpbb\auth\auth $auth The authentication object | |
| * @param int $topic_id The id of the topic that we are downloading from | |
| * | |
| * @return null | |
| */ | |
| function phpbb_download_handle_forum_auth($db, $auth, $topic_id) | |
| { | |
| global $phpbb_container; | |
| $sql_array = [ | |
| 'SELECT' => 't.forum_id, t.topic_poster, t.topic_visibility, f.forum_name, f.forum_password, f.parent_id', | |
| 'FROM' => [ | |
| TOPICS_TABLE => 't', | |
| FORUMS_TABLE => 'f', | |
| ], | |
| 'WHERE' => 't.topic_id = ' . (int) $topic_id . ' | |
| AND t.forum_id = f.forum_id', | |
| ]; | |
| $sql = $db->sql_build_query('SELECT', $sql_array); | |
| $result = $db->sql_query($sql); | |
| $row = $db->sql_fetchrow($result); | |
| $db->sql_freeresult($result); | |
| $phpbb_content_visibility = $phpbb_container->get('content.visibility'); | |
| if ($row && !$phpbb_content_visibility->is_visible('topic', $row['forum_id'], $row)) | |
| { | |
| send_status_line(404, 'Not Found'); | |
| trigger_error('ERROR_NO_ATTACHMENT'); | |
| } | |
| else if ($row && $auth->acl_get('u_download') && $auth->acl_get('f_download', $row['forum_id'])) | |
| { | |
| if ($row['forum_password']) | |
| { | |
| // Do something else ... ? | |
| login_forum_box($row); | |
| } | |
| } | |
| else | |
| { | |
| send_status_line(403, 'Forbidden'); | |
| trigger_error('SORRY_AUTH_VIEW_ATTACH'); | |
| } | |
| } | |
| /** | |
| * Handles authentication when downloading attachments from PMs | |
| * | |
| * @param \phpbb\db\driver\driver_interface $db The database object | |
| * @param \phpbb\auth\auth $auth The authentication object | |
| * @param int $user_id The user id | |
| * @param int $msg_id The id of the PM that we are downloading from | |
| * | |
| * @return null | |
| */ | |
| function phpbb_download_handle_pm_auth($db, $auth, $user_id, $msg_id) | |
| { | |
| global $phpbb_dispatcher; | |
| if (!$auth->acl_get('u_pm_download')) | |
| { | |
| send_status_line(403, 'Forbidden'); | |
| trigger_error('SORRY_AUTH_VIEW_ATTACH'); | |
| } | |
| $allowed = phpbb_download_check_pm_auth($db, $user_id, $msg_id); | |
| /** | |
| * Event to modify PM attachments download auth | |
| * | |
| * @event core.modify_pm_attach_download_auth | |
| * @var bool allowed Whether the user is allowed to download from that PM or not | |
| * @var int msg_id The id of the PM to download from | |
| * @var int user_id The user id for auth check | |
| * @since 3.1.11-RC1 | |
| */ | |
| $vars = array('allowed', 'msg_id', 'user_id'); | |
| extract($phpbb_dispatcher->trigger_event('core.modify_pm_attach_download_auth', compact($vars))); | |
| if (!$allowed) | |
| { | |
| send_status_line(403, 'Forbidden'); | |
| trigger_error('ERROR_NO_ATTACHMENT'); | |
| } | |
| } | |
| /** | |
| * Checks whether a user can download from a particular PM | |
| * | |
| * @param \phpbb\db\driver\driver_interface $db The database object | |
| * @param int $user_id The user id | |
| * @param int $msg_id The id of the PM that we are downloading from | |
| * | |
| * @return bool Whether the user is allowed to download from that PM or not | |
| */ | |
| function phpbb_download_check_pm_auth($db, $user_id, $msg_id) | |
| { | |
| // Check if the attachment is within the users scope... | |
| $sql = 'SELECT msg_id | |
| FROM ' . PRIVMSGS_TO_TABLE . ' | |
| WHERE msg_id = ' . (int) $msg_id . ' | |
| AND ( | |
| user_id = ' . (int) $user_id . ' | |
| OR author_id = ' . (int) $user_id . ' | |
| )'; | |
| $result = $db->sql_query_limit($sql, 1); | |
| $allowed = (bool) $db->sql_fetchfield('msg_id'); | |
| $db->sql_freeresult($result); | |
| return $allowed; | |
| } | |
| /** | |
| * Check if the browser is internet explorer version 7+ | |
| * | |
| * @param string $user_agent User agent HTTP header | |
| * @param int $version IE version to check against | |
| * | |
| * @return bool true if internet explorer version is greater than $version | |
| */ | |
| function phpbb_is_greater_ie_version($user_agent, $version) | |
| { | |
| if (preg_match('/msie (\d+)/', strtolower($user_agent), $matches)) | |
| { | |
| $ie_version = (int) $matches[1]; | |
| return ($ie_version > $version); | |
| } | |
| else | |
| { | |
| return false; | |
| } | |
| } |