diff options
Diffstat (limited to 'libmproxy')
-rw-r--r-- | libmproxy/protocol/http.py | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/libmproxy/protocol/http.py b/libmproxy/protocol/http.py index 496b71cc..94077e42 100644 --- a/libmproxy/protocol/http.py +++ b/libmproxy/protocol/http.py @@ -328,9 +328,22 @@ class HTTPRequest(HTTPMessage): ) @classmethod - def from_stream(cls, rfile, include_body=True, body_size_limit=None): + def from_stream(cls, rfile, include_body=True, body_size_limit=None, wfile=None): """ Parse an HTTP request from a file stream + + Args: + rfile (file): Input file to read from + include_body (bool): Read response body as well + body_size_limit (bool): Maximum body size + wfile (file): If specified, HTTP Expect headers are handled automatically. + by writing a HTTP 100 CONTINUE response to the stream. + + Returns: + HTTPRequest: The HTTP request + + Raises: + HttpError: If the input is invalid. """ httpversion, host, port, scheme, method, path, headers, content, timestamp_start, timestamp_end = ( None, None, None, None, None, None, None, None, None, None) @@ -385,6 +398,15 @@ class HTTPRequest(HTTPMessage): if headers is None: raise http.HttpError(400, "Invalid headers") + expect_header = headers.get_first("expect") + if expect_header and expect_header.lower() == "100-continue" and httpversion >= (1, 1): + wfile.write( + 'HTTP/1.1 100 Continue\r\n' + '\r\n' + ) + wfile.flush() + del headers['expect'] + if include_body: content = http.read_http_body(rfile, headers, body_size_limit, method, None, True) @@ -609,8 +631,10 @@ class HTTPRequest(HTTPMessage): host = self.headers.get_first("host") if not host: host = self.host - host = host.encode("idna") - return host + if host: + return host.encode("idna") + else: + return None def pretty_url(self, hostheader): if self.form_out == "authority": # upstream proxy mode @@ -1062,7 +1086,8 @@ class HTTPHandler(ProtocolHandler): try: req = HTTPRequest.from_stream( self.c.client_conn.rfile, - body_size_limit=self.c.config.body_size_limit + body_size_limit=self.c.config.body_size_limit, + wfile=self.c.client_conn.wfile ) except tcp.NetLibError: # don't throw an error for disconnects that happen |