diff options
Diffstat (limited to 'phpBB/download/file.php')
| -rw-r--r-- | phpBB/download/file.php | 422 | 
1 files changed, 17 insertions, 405 deletions
| diff --git a/phpBB/download/file.php b/phpBB/download/file.php index e1ec835b9b..5016e7f549 100644 --- a/phpBB/download/file.php +++ b/phpBB/download/file.php @@ -44,14 +44,21 @@ if (isset($_GET['avatar']))  		exit;  	} -	require($phpbb_root_path . 'includes/acm/acm_' . $acm_type . '.' . $phpEx); -	require($phpbb_root_path . 'includes/cache.' . $phpEx); +	require($phpbb_root_path . 'includes/class_loader.' . $phpEx);  	require($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);  	require($phpbb_root_path . 'includes/constants.' . $phpEx);  	require($phpbb_root_path . 'includes/functions.' . $phpEx); +	require($phpbb_root_path . 'includes/functions_download' . '.' . $phpEx); + +	$class_loader = new phpbb_class_loader($phpbb_root_path, '.' . $phpEx); +	$class_loader->register(); + +	// set up caching +	$cache_factory = new phpbb_cache_factory($acm_type); +	$cache = $cache_factory->get_service(); +	$class_loader->set_cache($cache->get_driver());  	$db = new $sql_db(); -	$cache = new cache();  	// Connect to DB  	if (!@$db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, false)) @@ -63,7 +70,10 @@ if (isset($_GET['avatar']))  	// worst-case default  	$browser = (!empty($_SERVER['HTTP_USER_AGENT'])) ? htmlspecialchars((string) $_SERVER['HTTP_USER_AGENT']) : 'msie 6.0'; -	$config = $cache->obtain_config(); +	$config = new phpbb_config_db($db, $cache->get_driver(), CONFIG_TABLE); +	set_config(null, null, null, $config); +	set_config_count(null, null, null, $config); +  	$filename = request_var('avatar', '');  	$avatar_group = false;  	$exit = false; @@ -113,6 +123,7 @@ if (isset($_GET['avatar']))  // implicit else: we are not in avatar mode  include($phpbb_root_path . 'common.' . $phpEx); +require($phpbb_root_path . 'includes/functions_download' . '.' . $phpEx);  $download_id = request_var('id', 0);  $mode = request_var('mode', ''); @@ -251,7 +262,7 @@ if (!download_allowed())  $download_mode = (int) $extensions[$attachment['extension']]['download_mode'];  // Fetching filename here to prevent sniffing of filename -$sql = 'SELECT attach_id, is_orphan, in_message, post_msg_id, extension, physical_filename, real_filename, mimetype, filetime +$sql = 'SELECT attach_id, is_orphan, in_message, post_msg_id, extension, physical_filename, real_filename, mimetype, filesize, filetime  	FROM ' . ATTACHMENTS_TABLE . "  	WHERE attach_id = $download_id";  $result = $db->sql_query_limit($sql, 1); @@ -281,7 +292,7 @@ if ($thumbnail)  {  	$attachment['physical_filename'] = 'thumb_' . $attachment['physical_filename'];  } -else if (($display_cat == ATTACHMENT_CATEGORY_NONE/* || $display_cat == ATTACHMENT_CATEGORY_IMAGE*/) && !$attachment['is_orphan']) +else if (($display_cat == ATTACHMENT_CATEGORY_NONE/* || $display_cat == ATTACHMENT_CATEGORY_IMAGE*/) && !$attachment['is_orphan'] && !phpbb_http_byte_range($attachment['filesize']))  {  	// Update download count  	$sql = 'UPDATE ' . ATTACHMENTS_TABLE . ' @@ -316,402 +327,3 @@ else  		file_gc();  	}  } - - -/** -* A simplified function to deliver avatars -* The argument needs to be checked before calling this function. -*/ -function send_avatar_to_browser($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('Pragma: public'); - -		$image_data = @getimagesize($file_path); -		header('Content-Type: ' . image_type_to_mime_type($image_data[2])); - -		if (strpos(strtolower($browser), 'msie') !== false && strpos(strtolower($browser), 'msie 8.0') === false) -		{ -			header('Content-Disposition: attachment; ' . header_filename($file)); - -			if (strpos(strtolower($browser), 'msie 6.0') !== false) -			{ -				header('Expires: -1'); -			} -			else -			{ -				header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000)); -			} -		} -		else -		{ -			header('Content-Disposition: inline; ' . header_filename($file)); -			header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000)); -		} - -		$size = @filesize($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 -	{ -		send_status_line(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 PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-Strict.dtd">'; -	echo '<html>'; -	echo '<head>'; -	echo '<meta http-equiv="content-type" content="text/html; charset=UTF-8" />'; -	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, $config, $phpbb_root_path; - -	$filename = $phpbb_root_path . $upload_dir . '/' . $attachment['physical_filename']; - -	if (!@file_exists($filename)) -	{ -		send_status_line(404, 'Not Found'); -		trigger_error($user->lang['ERROR_NO_ATTACHMENT'] . '<br /><br />' . sprintf($user->lang['FILE_NOT_FOUND_404'], $filename)); -	} - -	// Correct the mime type - we force application/octetstream for all files, except images -	// Please do not change this, it is a security precaution -	if ($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); - -	// 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'], $php_errormsg)); -		} - -		send_status_line(500, 'Internal Server Error'); -		trigger_error('UNABLE_TO_DELIVER_FILE'); -	} - -	// Now the tricky part... let's dance -	header('Pragma: public'); - -	/** -	* Commented out X-Sendfile support. To not expose the physical filename within the header if xsendfile is absent we need to look into methods of checking it's status. -	* -	* Try X-Sendfile since it is much more server friendly - only works if the path is *not* outside of the root path... -	* lighttpd has core support for it. An apache2 module is available at http://celebnamer.celebworld.ws/stuff/mod_xsendfile/ -	* -	* Not really ideal, but should work fine... -	* <code> -	*	if (strpos($upload_dir, '/') !== 0 && strpos($upload_dir, '../') === false) -	*	{ -	*		header('X-Sendfile: ' . $filename); -	*	} -	* </code> -	*/ - -	// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer. -	$is_ie8 = (strpos(strtolower($user->browser), 'msie 8.0') !== false); -	header('Content-Type: ' . $attachment['mimetype']); - -	if ($is_ie8) -	{ -		header('X-Content-Type-Options: nosniff'); -	} - -	if ($category == ATTACHMENT_CATEGORY_FLASH && request_var('view', 0) === 1) -	{ -		// We use content-disposition: inline for flash files and view=1 to let it correctly play with flash player 10 - any other disposition will fail to play inline -		header('Content-Disposition: inline'); -	} -	else -	{ -		if (empty($user->browser) || (!$is_ie8 && (strpos(strtolower($user->browser), 'msie') !== false))) -		{ -			header('Content-Disposition: attachment; ' . header_filename(htmlspecialchars_decode($attachment['real_filename']))); -			if (empty($user->browser) || (strpos(strtolower($user->browser), 'msie 6.0') !== false)) -			{ -				header('expires: -1'); -			} -		} -		else -		{ -			header('Content-Disposition: ' . ((strpos($attachment['mimetype'], 'image') === 0) ? 'inline' : 'attachment') . '; ' . header_filename(htmlspecialchars_decode($attachment['real_filename']))); -			if ($is_ie8 && (strpos($attachment['mimetype'], 'image') !== 0)) -			{ -				header('X-Download-Options: noopen'); -			} -		} -	} - -	if ($size) -	{ -		header("Content-Length: $size"); -	} - -	// Close the db connection before sending the file -	$db->sql_close(); - -	if (!set_modified_headers($attachment['filetime'], $user->browser)) -	{ -		// Try to deliver in chunks -		@set_time_limit(0); - -		$fp = @fopen($filename, 'rb'); - -		if ($fp !== false) -		{ -			while (!feof($fp)) -			{ -				echo fread($fp, 8192); -			} -			fclose($fp); -		} -		else -		{ -			@readfile($filename); -		} - -		flush(); -	} -	file_gc(); -} - -/** -* Get a browser friendly UTF-8 encoded filename -*/ -function header_filename($file) -{ -	$user_agent = (!empty($_SERVER['HTTP_USER_AGENT'])) ? htmlspecialchars((string) $_SERVER['HTTP_USER_AGENT']) : ''; - -	// There be dragons here. -	// Not many follows the RFC... -	if (strpos($user_agent, 'MSIE') !== false || strpos($user_agent, 'Safari') !== false || strpos($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, $db; - -	if (!$config['secure_downloads']) -	{ -		return true; -	} - -	$url = (!empty($_SERVER['HTTP_REFERER'])) ? trim($_SERVER['HTTP_REFERER']) : trim(getenv('HTTP_REFERER')); - -	if (!$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) -{ -	// let's see if we have to send the file at all -	$last_load 	=  isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? strtotime(trim($_SERVER['HTTP_IF_MODIFIED_SINCE'])) : false; -	if ((strpos(strtolower($browser), 'msie 6.0') === false) && (strpos(strtolower($browser), 'msie 8.0') === false)) -	{ -		if ($last_load !== false && $last_load >= $stamp) -		{ -			send_status_line(304, 'Not Modified'); -			// seems that we need those too ... browsers -			header('Pragma: public'); -			header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000)); -			return true; -		} -		else -		{ -			header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $stamp) . ' GMT'); -		} -	} -	return false; -} - -function file_gc() -{ -	global $cache, $db; -	if (!empty($cache)) -	{ -		$cache->unload(); -	} -	$db->sql_close(); -	exit; -} - -?>
\ No newline at end of file | 
