ObjFW  Diff

		if (connectionHeader != nil)
			keepAlive = [connectionHeader isEqual: @"close"];
		else
			keepAlive = true;
	} else {
		if (connectionHeader != nil)
			keepAlive = ([connectionHeader caseInsensitiveCompare:
			    @"keep-alive"] == OF_ORDERED_SAME);
		else
			keepAlive = false;
	}

	if (keepAlive) {
		response.of_keepAlive = true;

		OFString *newURLScheme;

		newURL = [OFURL URLWithString: location
				relativeToURL: URL];
		newURLScheme = newURL.scheme;

		if ([newURLScheme caseInsensitiveCompare: @"http"] !=
		    OF_ORDERED_SAME &&
		    [newURLScheme caseInsensitiveCompare: @"https"] !=
		    OF_ORDERED_SAME)
			follow = false;

		if (!_client->_allowsInsecureRedirects &&
		    [URL.scheme caseInsensitiveCompare: @"https"] ==
		    OF_ORDERED_SAME &&
		    [newURLScheme caseInsensitiveCompare: @"http"] ==
		    OF_ORDERED_SAME)
			follow = false;

		if (follow && [_client->_delegate respondsToSelector: @selector(
		    client:shouldFollowRedirect:statusCode:request:response:)])
			follow = [_client->_delegate client: _client
				       shouldFollowRedirect: newURL
						 statusCode: _status

		return false;
	}

	if (![line hasPrefix: @"HTTP/"] || line.length < 9 ||
	    [line characterAtIndex: 8] != ' ')
		@throw [OFInvalidServerReplyException exception];

	_version = [[line substringWithRange: of_range(5, 3)] copy];
	if (![_version isEqual: @"1.0"] && ![_version isEqual: @"1.1"])
		@throw [OFUnsupportedVersionException
		    exceptionWithVersion: _version];

	status = [line substringWithRange: of_range(9, 3)].longLongValue;

	if (status < 0 || status > 599)
		@throw [OFInvalidServerReplyException exception];

	_status = (short)status;

	return true;

	}

	return ret;
}

- (OFString *)stream: (OFStream *)stream
      didWriteString: (OFString *)string
	    encoding: (of_string_encoding_t)encoding
	bytesWritten: (size_t)bytesWritten
	   exception: (id)exception
{
	OFDictionary OF_GENERIC(OFString *, OFString *) *headers;
	bool chunked;

	if (exception != nil) {

		OFTCPSocket *sock;
		uint16_t port;
		OFNumber *URLPort;

		[_client close];

		if ([URL.scheme caseInsensitiveCompare: @"https"] ==
		    OF_ORDERED_SAME) {
			if (of_tls_socket_class == Nil)
				@throw [OFUnsupportedProtocolException
				    exceptionWithURL: URL];

			sock = [[[of_tls_socket_class alloc] init] autorelease];
			port = 443;
		} else {

			@throw [OFInvalidServerReplyException exception];
		}

		if (line == nil)
			return 0;

		pos = [line rangeOfString: @";"].location;
		if (pos != OF_NOT_FOUND)
			line = [line substringToIndex: pos];

		if (line.length < 1) {
			/*
			 * We have read the empty string because the socket is
			 * at end of stream.
			 */
			if (_socket.atEndOfStream && pos == OF_NOT_FOUND)
				@throw [OFTruncatedDataException exception];
			else
				@throw [OFInvalidServerReplyException
				    exception];
		}

		@try {

- (void)asyncPerformRequest: (OFHTTPRequest *)request
		  redirects: (unsigned int)redirects
{
	void *pool = objc_autoreleasePoolPush();
	OFURL *URL = request.URL;
	OFString *scheme = URL.scheme;

	if ([scheme caseInsensitiveCompare: @"http"] != OF_ORDERED_SAME &&
	    [scheme caseInsensitiveCompare: @"https"] != OF_ORDERED_SAME)
		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];

	if (_inProgress)
		/* TODO: Find a better exception */
		@throw [OFAlreadyConnectedException exception];

	_inProgress = true;