def __call__(self, environ, start_response):
handler = web.Application.__call__(self, HTTPRequest(environ))
assert handler._finished
status = str(handler._status_code) + " " + \
httplib.responses[handler._status_code]
headers = handler._headers.items()
for cookie_dict in getattr(handler, "_new_cookies", []):
for cookie in cookie_dict.values():
headers.append(("Set-Cookie", cookie.OutputString(None)))
start_response(status,
[(native_str(k), native_str(v)) for (k, v) in headers])
return handler._write_buffer
def __call__(self, environ, start_response):
handler = web.Application.__call__(self, HTTPRequest(environ))
assert handler._finished
status = str(handler._status_code) + " " + \
httplib.responses[handler._status_code]
headers = handler._headers.items()
for cookie_dict in getattr(handler, "_new_cookies", []):
for cookie in cookie_dict.values():
headers.append(("Set-Cookie", cookie.OutputString(None)))
start_response(status,
[(native_str(k), native_str(v)) for (k,v) in headers])
return handler._write_buffer
def test_100_continue(self):
# Run through a 100-continue interaction by hand:
# When given Expect: 100-continue, we get a 100 response after the
# headers, and then the real response after the body.
stream = IOStream(socket.socket(), io_loop=self.io_loop)
stream.connect(("localhost", self.get_http_port()), callback=self.stop)
self.wait()
stream.write(b("\r\n").join([
b("POST /hello HTTP/1.1"),
b("Content-Length: 1024"),
b("Expect: 100-continue"),
b("\r\n")
]),
callback=self.stop)
self.wait()
stream.read_until(b("\r\n\r\n"), self.stop)
data = self.wait()
self.assertTrue(data.startswith(b("HTTP/1.1 100 ")), data)
stream.write(b("a") * 1024)
stream.read_until(b("\r\n"), self.stop)
first_line = self.wait()
self.assertTrue(first_line.startswith(b("HTTP/1.1 200")), first_line)
stream.read_until(b("\r\n\r\n"), self.stop)
header_data = self.wait()
headers = HTTPHeaders.parse(native_str(header_data.decode('latin1')))
stream.read_bytes(int(headers["Content-Length"]), self.stop)
body = self.wait()
self.assertEqual(body, b("Got 1024 bytes in POST"))
def test_100_continue(self):
# Run through a 100-continue interaction by hand:
# When given Expect: 100-continue, we get a 100 response after the
# headers, and then the real response after the body.
stream = IOStream(socket.socket(), io_loop=self.io_loop)
stream.connect(("localhost", self.get_http_port()), callback=self.stop)
self.wait()
stream.write(b("\r\n").join([b("POST /hello HTTP/1.1"),
b("Content-Length: 1024"),
b("Expect: 100-continue"),
b("\r\n")]), callback=self.stop)
self.wait()
stream.read_until(b("\r\n\r\n"), self.stop)
data = self.wait()
self.assertTrue(data.startswith(b("HTTP/1.1 100 ")), data)
stream.write(b("a") * 1024)
stream.read_until(b("\r\n"), self.stop)
first_line = self.wait()
self.assertTrue(first_line.startswith(b("HTTP/1.1 200")), first_line)
stream.read_until(b("\r\n\r\n"), self.stop)
header_data = self.wait()
headers = HTTPHeaders.parse(native_str(header_data.decode('latin1')))
stream.read_bytes(int(headers["Content-Length"]), self.stop)
body = self.wait()
self.assertEqual(body, b("Got 1024 bytes in POST"))
def cookies(self):
"""A dictionary of Cookie.Morsel objects."""
if not hasattr(self, "_cookies"):
self._cookies = Cookie.SimpleCookie()
if "Cookie" in self.headers:
try:
self._cookies.load(native_str(self.headers["Cookie"]))
except Exception:
self._cookies = None
return self._cookies
def cookies(self):
"""A dictionary of Cookie.Morsel objects."""
if not hasattr(self, "_cookies"):
self._cookies = Cookie.SimpleCookie()
if "Cookie" in self.headers:
try:
self._cookies.load(
native_str(self.headers["Cookie"]))
except Exception:
self._cookies = None
return self._cookies
def _on_headers(self, data):
data = native_str(data.decode("latin1"))
first_line, _, header_data = data.partition("\n")
match = re.match("HTTP/1.[01] ([0-9]+)", first_line)
assert match
self.code = int(match.group(1))
self.headers = HTTPHeaders.parse(header_data)
if "Content-Length" in self.headers:
if "," in self.headers["Content-Length"]:
# Proxies sometimes cause Content-Length headers to get
# duplicated. If all the values are identical then we can
# use them but if they differ it's an error.
pieces = re.split(r',\s*', self.headers["Content-Length"])
if any(i != pieces[0] for i in pieces):
raise ValueError("Multiple unequal Content-Lengths: %r" %
self.headers["Content-Length"])
self.headers["Content-Length"] = pieces[0]
content_length = int(self.headers["Content-Length"])
else:
content_length = None
if self.request.header_callback is not None:
for k, v in self.headers.get_all():
self.request.header_callback("%s: %s\r\n" % (k, v))
if self.request.method == "HEAD":
# HEAD requests never have content, even though they may have
# content-length headers
self._on_body(b(""))
return
if 100 <= self.code < 200 or self.code in (204, 304):
# These response codes never have bodies
# http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.3
assert "Transfer-Encoding" not in self.headers
assert content_length in (None, 0)
self._on_body(b(""))
return
if (self.request.use_gzip and
self.headers.get("Content-Encoding") == "gzip"):
# Magic parameter makes zlib module understand gzip header
# http://stackoverflow.com/questions/1838699/how-can-i-decompress-a-gzip-stream-with-zlib
self._decompressor = zlib.decompressobj(16+zlib.MAX_WBITS)
if self.headers.get("Transfer-Encoding") == "chunked":
self.chunks = []
self.stream.read_until(b("\r\n"), self._on_chunk_length)
elif content_length is not None:
self.stream.read_bytes(content_length, self._on_body)
else:
self.stream.read_until_close(self._on_body)
def __init__(self,
method,
uri,
version="HTTP/1.0",
headers=None,
body=None,
remote_ip=None,
protocol=None,
host=None,
files=None,
connection=None):
self.method = method
self.uri = uri
self.version = version
self.headers = headers or httputil.HTTPHeaders()
self.body = body or ""
if connection and connection.xheaders:
# Squid uses X-Forwarded-For, others use X-Real-Ip
self.remote_ip = self.headers.get(
"X-Real-Ip", self.headers.get("X-Forwarded-For", remote_ip))
# AWS uses X-Forwarded-Proto
self.protocol = self.headers.get(
"X-Scheme", self.headers.get("X-Forwarded-Proto", protocol))
if self.protocol not in ("http", "https"):
self.protocol = "http"
else:
self.remote_ip = remote_ip
if protocol:
self.protocol = protocol
elif connection and isinstance(connection.stream,
iostream.SSLIOStream):
self.protocol = "https"
else:
self.protocol = "http"
self.host = host or self.headers.get(
"X-Forwarded-Host",
host) or self.headers.get("Host") or "127.0.0.1"
self.files = files or {}
self.connection = connection
self._start_time = time.time()
self._finish_time = None
scheme, netloc, path, query, fragment = urlparse.urlsplit(
native_str(uri))
self.path = path
self.query = query
arguments = parse_qs_bytes(query)
self.arguments = {}
for name, values in arguments.iteritems():
values = [v for v in values if v]
if values: self.arguments[name] = values
def _on_headers(self, data):
data = native_str(data.decode("latin1"))
first_line, _, header_data = data.partition("\n")
match = re.match("HTTP/1.[01] ([0-9]+)", first_line)
assert match
self.code = int(match.group(1))
self.headers = HTTPHeaders.parse(header_data)
if "Content-Length" in self.headers:
if "," in self.headers["Content-Length"]:
# Proxies sometimes cause Content-Length headers to get
# duplicated. If all the values are identical then we can
# use them but if they differ it's an error.
pieces = re.split(r',\s*', self.headers["Content-Length"])
if any(i != pieces[0] for i in pieces):
raise ValueError("Multiple unequal Content-Lengths: %r" %
self.headers["Content-Length"])
self.headers["Content-Length"] = pieces[0]
content_length = int(self.headers["Content-Length"])
else:
content_length = None
if self.request.header_callback is not None:
for k, v in self.headers.get_all():
self.request.header_callback("%s: %s\r\n" % (k, v))
if self.request.method == "HEAD":
# HEAD requests never have content, even though they may have
# content-length headers
self._on_body(b(""))
return
if 100 <= self.code < 200 or self.code in (204, 304):
# These response codes never have bodies
# http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.3
assert "Transfer-Encoding" not in self.headers
assert content_length in (None, 0)
self._on_body(b(""))
return
if (self.request.use_gzip
and self.headers.get("Content-Encoding") == "gzip"):
# Magic parameter makes zlib module understand gzip header
# http://stackoverflow.com/questions/1838699/how-can-i-decompress-a-gzip-stream-with-zlib
self._decompressor = zlib.decompressobj(16 + zlib.MAX_WBITS)
if self.headers.get("Transfer-Encoding") == "chunked":
self.chunks = []
self.stream.read_until(b("\r\n"), self._on_chunk_length)
elif content_length is not None:
self.stream.read_bytes(content_length, self._on_body)
else:
self.stream.read_until_close(self._on_body)
def _on_access_token(self, redirect_uri, client_id, client_secret,
callback, fields, response):
if response.error:
logging.warning('Facebook auth error: %s' % str(response))
callback(None)
return
args = escape.parse_qs_bytes(escape.native_str(response.body))
session = {
"access_token": args["access_token"][-1],
"expires": args.get("expires")
}
self.facebook_request(path="/me",
callback=self.async_callback(
self._on_get_user_info, callback, session,
fields),
access_token=session["access_token"],
fields=",".join(fields))
def _on_access_token(self, redirect_uri, client_id, client_secret,
callback, fields, response):
if response.error:
logging.warning('Facebook auth error: %s' % str(response))
callback(None)
return
args = escape.parse_qs_bytes(escape.native_str(response.body))
session = {
"access_token": args["access_token"][-1],
"expires": args.get("expires")
}
self.facebook_request(
path="/me",
callback=self.async_callback(
self._on_get_user_info, callback, session, fields),
access_token=session["access_token"],
fields=",".join(fields)
)
def _on_request_body(self, data):
self._request.body = data
content_type = self._request.headers.get("Content-Type", "")
if self._request.method in ("POST", "PUT"):
if content_type.startswith("application/x-www-form-urlencoded"):
arguments = parse_qs_bytes(native_str(self._request.body))
for name, values in arguments.iteritems():
values = [v for v in values if v]
if values:
self._request.arguments.setdefault(name,
[]).extend(values)
elif content_type.startswith("multipart/form-data"):
fields = content_type.split(";")
for field in fields:
k, sep, v = field.strip().partition("=")
if k == "boundary" and v:
httputil.parse_multipart_form_data(
utf8(v), data, self._request.arguments,
self._request.files)
break
else:
logging.warning("Invalid multipart/form-data")
self.request_callback(self._request)
def _on_headers(self, data):
try:
data = native_str(data.decode('latin1'))
eol = data.find("\r\n")
start_line = data[:eol]
try:
method, uri, version = start_line.split(" ")
except ValueError:
raise _BadRequestException("Malformed HTTP request line")
if not version.startswith("HTTP/"):
raise _BadRequestException(
"Malformed HTTP version in HTTP Request-Line")
headers = httputil.HTTPHeaders.parse(data[eol:])
self._request = HTTPRequest(connection=self,
method=method,
uri=uri,
version=version,
headers=headers,
remote_ip=self.address[0])
content_length = headers.get("Content-Length")
if content_length:
content_length = int(content_length)
if content_length > self.stream.max_buffer_size:
raise _BadRequestException("Content-Length too long")
if headers.get("Expect") == "100-continue":
self.stream.write(b("HTTP/1.1 100 (Continue)\r\n\r\n"))
self.stream.read_bytes(content_length, self._on_request_body)
return
self.request_callback(self._request)
except _BadRequestException, e:
logging.info("Malformed HTTP request from %s: %s", self.address[0],
e)
self.stream.close()
return
def describe(s):
if type(s) == bytes_type:
return ["bytes", native_str(binascii.b2a_hex(s))]
elif type(s) == unicode:
return ["unicode", s]
raise Exception("unknown type")
def py_escape(s):
self.assertEqual(type(s), bytes_type)
return repr(native_str(s))
def py_escape(s):
self.assertEqual(type(s), bytes_type)
return repr(native_str(s))
def describe(s):
if type(s) == bytes_type:
return ["bytes", native_str(binascii.b2a_hex(s))]
elif type(s) == unicode:
return ["unicode", s]
raise Exception("unknown type")
