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1297 lines
44 KiB
1297 lines
44 KiB
from tornado import gen, netutil
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from tornado.escape import (
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json_decode,
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json_encode,
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utf8,
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_unicode,
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recursive_unicode,
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native_str,
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)
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from tornado.http1connection import HTTP1Connection
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from tornado.httpclient import HTTPError
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from tornado.httpserver import HTTPServer
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from tornado.httputil import (
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HTTPHeaders,
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HTTPMessageDelegate,
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HTTPServerConnectionDelegate,
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ResponseStartLine,
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)
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from tornado.iostream import IOStream
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from tornado.locks import Event
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from tornado.log import gen_log
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from tornado.netutil import ssl_options_to_context
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from tornado.simple_httpclient import SimpleAsyncHTTPClient
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from tornado.testing import (
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AsyncHTTPTestCase,
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AsyncHTTPSTestCase,
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AsyncTestCase,
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ExpectLog,
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gen_test,
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)
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from tornado.test.util import skipOnTravis
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from tornado.web import Application, RequestHandler, stream_request_body
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from contextlib import closing
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import datetime
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import gzip
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import os
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import shutil
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import socket
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import ssl
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import sys
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import tempfile
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import unittest
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from io import BytesIO
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import typing
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if typing.TYPE_CHECKING:
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from typing import Dict, List # noqa: F401
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async def read_stream_body(stream):
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"""Reads an HTTP response from `stream` and returns a tuple of its
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start_line, headers and body."""
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chunks = []
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class Delegate(HTTPMessageDelegate):
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def headers_received(self, start_line, headers):
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self.headers = headers
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self.start_line = start_line
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def data_received(self, chunk):
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chunks.append(chunk)
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def finish(self):
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conn.detach() # type: ignore
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conn = HTTP1Connection(stream, True)
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delegate = Delegate()
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await conn.read_response(delegate)
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return delegate.start_line, delegate.headers, b"".join(chunks)
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class HandlerBaseTestCase(AsyncHTTPTestCase):
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def get_app(self):
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return Application([("/", self.__class__.Handler)])
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def fetch_json(self, *args, **kwargs):
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response = self.fetch(*args, **kwargs)
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response.rethrow()
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return json_decode(response.body)
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class HelloWorldRequestHandler(RequestHandler):
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def initialize(self, protocol="http"):
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self.expected_protocol = protocol
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def get(self):
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if self.request.protocol != self.expected_protocol:
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raise Exception("unexpected protocol")
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self.finish("Hello world")
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def post(self):
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self.finish("Got %d bytes in POST" % len(self.request.body))
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# In pre-1.0 versions of openssl, SSLv23 clients always send SSLv2
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# ClientHello messages, which are rejected by SSLv3 and TLSv1
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# servers. Note that while the OPENSSL_VERSION_INFO was formally
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# introduced in python3.2, it was present but undocumented in
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# python 2.7
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skipIfOldSSL = unittest.skipIf(
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getattr(ssl, "OPENSSL_VERSION_INFO", (0, 0)) < (1, 0),
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"old version of ssl module and/or openssl",
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)
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class BaseSSLTest(AsyncHTTPSTestCase):
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def get_app(self):
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return Application([("/", HelloWorldRequestHandler, dict(protocol="https"))])
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class SSLTestMixin(object):
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def get_ssl_options(self):
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return dict(
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ssl_version=self.get_ssl_version(),
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**AsyncHTTPSTestCase.default_ssl_options()
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)
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def get_ssl_version(self):
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raise NotImplementedError()
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def test_ssl(self):
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response = self.fetch("/")
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self.assertEqual(response.body, b"Hello world")
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def test_large_post(self):
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response = self.fetch("/", method="POST", body="A" * 5000)
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self.assertEqual(response.body, b"Got 5000 bytes in POST")
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def test_non_ssl_request(self):
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# Make sure the server closes the connection when it gets a non-ssl
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# connection, rather than waiting for a timeout or otherwise
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# misbehaving.
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with ExpectLog(gen_log, "(SSL Error|uncaught exception)"):
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with ExpectLog(gen_log, "Uncaught exception", required=False):
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with self.assertRaises((IOError, HTTPError)):
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self.fetch(
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self.get_url("/").replace("https:", "http:"),
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request_timeout=3600,
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connect_timeout=3600,
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raise_error=True,
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)
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def test_error_logging(self):
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# No stack traces are logged for SSL errors.
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with ExpectLog(gen_log, "SSL Error") as expect_log:
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with self.assertRaises((IOError, HTTPError)):
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self.fetch(
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self.get_url("/").replace("https:", "http:"), raise_error=True
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)
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self.assertFalse(expect_log.logged_stack)
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# Python's SSL implementation differs significantly between versions.
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# For example, SSLv3 and TLSv1 throw an exception if you try to read
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# from the socket before the handshake is complete, but the default
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# of SSLv23 allows it.
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class SSLv23Test(BaseSSLTest, SSLTestMixin):
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def get_ssl_version(self):
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return ssl.PROTOCOL_SSLv23
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@skipIfOldSSL
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class SSLv3Test(BaseSSLTest, SSLTestMixin):
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def get_ssl_version(self):
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return ssl.PROTOCOL_SSLv3
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@skipIfOldSSL
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class TLSv1Test(BaseSSLTest, SSLTestMixin):
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def get_ssl_version(self):
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return ssl.PROTOCOL_TLSv1
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class SSLContextTest(BaseSSLTest, SSLTestMixin):
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def get_ssl_options(self):
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context = ssl_options_to_context(AsyncHTTPSTestCase.get_ssl_options(self))
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assert isinstance(context, ssl.SSLContext)
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return context
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class BadSSLOptionsTest(unittest.TestCase):
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def test_missing_arguments(self):
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application = Application()
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self.assertRaises(
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KeyError,
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HTTPServer,
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application,
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ssl_options={"keyfile": "/__missing__.crt"},
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)
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def test_missing_key(self):
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"""A missing SSL key should cause an immediate exception."""
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application = Application()
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module_dir = os.path.dirname(__file__)
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existing_certificate = os.path.join(module_dir, "test.crt")
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existing_key = os.path.join(module_dir, "test.key")
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self.assertRaises(
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(ValueError, IOError),
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HTTPServer,
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application,
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ssl_options={"certfile": "/__mising__.crt"},
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)
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self.assertRaises(
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(ValueError, IOError),
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HTTPServer,
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application,
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ssl_options={
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"certfile": existing_certificate,
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"keyfile": "/__missing__.key",
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},
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)
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# This actually works because both files exist
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HTTPServer(
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application,
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ssl_options={"certfile": existing_certificate, "keyfile": existing_key},
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)
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class MultipartTestHandler(RequestHandler):
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def post(self):
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self.finish(
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{
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"header": self.request.headers["X-Header-Encoding-Test"],
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"argument": self.get_argument("argument"),
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"filename": self.request.files["files"][0].filename,
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"filebody": _unicode(self.request.files["files"][0]["body"]),
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}
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)
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# This test is also called from wsgi_test
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class HTTPConnectionTest(AsyncHTTPTestCase):
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def get_handlers(self):
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return [
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("/multipart", MultipartTestHandler),
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("/hello", HelloWorldRequestHandler),
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]
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def get_app(self):
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return Application(self.get_handlers())
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def raw_fetch(self, headers, body, newline=b"\r\n"):
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with closing(IOStream(socket.socket())) as stream:
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self.io_loop.run_sync(
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lambda: stream.connect(("127.0.0.1", self.get_http_port()))
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)
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stream.write(
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newline.join(headers + [utf8("Content-Length: %d" % len(body))])
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+ newline
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+ newline
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+ body
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)
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start_line, headers, body = self.io_loop.run_sync(
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lambda: read_stream_body(stream)
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)
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return body
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def test_multipart_form(self):
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# Encodings here are tricky: Headers are latin1, bodies can be
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# anything (we use utf8 by default).
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response = self.raw_fetch(
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[
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b"POST /multipart HTTP/1.0",
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b"Content-Type: multipart/form-data; boundary=1234567890",
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b"X-Header-encoding-test: \xe9",
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],
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b"\r\n".join(
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[
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b"Content-Disposition: form-data; name=argument",
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b"",
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u"\u00e1".encode("utf-8"),
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b"--1234567890",
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u'Content-Disposition: form-data; name="files"; filename="\u00f3"'.encode(
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"utf8"
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),
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b"",
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u"\u00fa".encode("utf-8"),
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b"--1234567890--",
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b"",
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]
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),
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)
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data = json_decode(response)
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self.assertEqual(u"\u00e9", data["header"])
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self.assertEqual(u"\u00e1", data["argument"])
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self.assertEqual(u"\u00f3", data["filename"])
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self.assertEqual(u"\u00fa", data["filebody"])
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def test_newlines(self):
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# We support both CRLF and bare LF as line separators.
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for newline in (b"\r\n", b"\n"):
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response = self.raw_fetch([b"GET /hello HTTP/1.0"], b"", newline=newline)
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self.assertEqual(response, b"Hello world")
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@gen_test
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def test_100_continue(self):
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# Run through a 100-continue interaction by hand:
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# When given Expect: 100-continue, we get a 100 response after the
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# headers, and then the real response after the body.
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stream = IOStream(socket.socket())
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yield stream.connect(("127.0.0.1", self.get_http_port()))
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yield stream.write(
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b"\r\n".join(
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[
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b"POST /hello HTTP/1.1",
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b"Content-Length: 1024",
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b"Expect: 100-continue",
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b"Connection: close",
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b"\r\n",
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]
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)
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)
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data = yield stream.read_until(b"\r\n\r\n")
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self.assertTrue(data.startswith(b"HTTP/1.1 100 "), data)
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stream.write(b"a" * 1024)
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first_line = yield stream.read_until(b"\r\n")
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self.assertTrue(first_line.startswith(b"HTTP/1.1 200"), first_line)
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header_data = yield stream.read_until(b"\r\n\r\n")
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headers = HTTPHeaders.parse(native_str(header_data.decode("latin1")))
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body = yield stream.read_bytes(int(headers["Content-Length"]))
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self.assertEqual(body, b"Got 1024 bytes in POST")
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stream.close()
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class EchoHandler(RequestHandler):
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def get(self):
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self.write(recursive_unicode(self.request.arguments))
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def post(self):
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self.write(recursive_unicode(self.request.arguments))
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class TypeCheckHandler(RequestHandler):
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def prepare(self):
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self.errors = {} # type: Dict[str, str]
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fields = [
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("method", str),
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("uri", str),
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("version", str),
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("remote_ip", str),
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("protocol", str),
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("host", str),
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("path", str),
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("query", str),
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]
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for field, expected_type in fields:
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self.check_type(field, getattr(self.request, field), expected_type)
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self.check_type("header_key", list(self.request.headers.keys())[0], str)
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self.check_type("header_value", list(self.request.headers.values())[0], str)
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self.check_type("cookie_key", list(self.request.cookies.keys())[0], str)
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self.check_type(
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"cookie_value", list(self.request.cookies.values())[0].value, str
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)
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# secure cookies
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self.check_type("arg_key", list(self.request.arguments.keys())[0], str)
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self.check_type("arg_value", list(self.request.arguments.values())[0][0], bytes)
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def post(self):
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self.check_type("body", self.request.body, bytes)
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self.write(self.errors)
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def get(self):
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self.write(self.errors)
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def check_type(self, name, obj, expected_type):
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actual_type = type(obj)
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if expected_type != actual_type:
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self.errors[name] = "expected %s, got %s" % (expected_type, actual_type)
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class HTTPServerTest(AsyncHTTPTestCase):
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def get_app(self):
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return Application(
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[
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("/echo", EchoHandler),
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("/typecheck", TypeCheckHandler),
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("//doubleslash", EchoHandler),
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]
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)
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def test_query_string_encoding(self):
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response = self.fetch("/echo?foo=%C3%A9")
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data = json_decode(response.body)
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self.assertEqual(data, {u"foo": [u"\u00e9"]})
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def test_empty_query_string(self):
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response = self.fetch("/echo?foo=&foo=")
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data = json_decode(response.body)
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self.assertEqual(data, {u"foo": [u"", u""]})
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def test_empty_post_parameters(self):
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response = self.fetch("/echo", method="POST", body="foo=&bar=")
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data = json_decode(response.body)
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self.assertEqual(data, {u"foo": [u""], u"bar": [u""]})
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def test_types(self):
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headers = {"Cookie": "foo=bar"}
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response = self.fetch("/typecheck?foo=bar", headers=headers)
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data = json_decode(response.body)
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self.assertEqual(data, {})
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response = self.fetch(
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"/typecheck", method="POST", body="foo=bar", headers=headers
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)
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data = json_decode(response.body)
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self.assertEqual(data, {})
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|
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def test_double_slash(self):
|
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# urlparse.urlsplit (which tornado.httpserver used to use
|
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# incorrectly) would parse paths beginning with "//" as
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# protocol-relative urls.
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response = self.fetch("//doubleslash")
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self.assertEqual(200, response.code)
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self.assertEqual(json_decode(response.body), {})
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|
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def test_malformed_body(self):
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# parse_qs is pretty forgiving, but it will fail on python 3
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# if the data is not utf8.
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with ExpectLog(gen_log, "Invalid x-www-form-urlencoded body"):
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response = self.fetch(
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"/echo",
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method="POST",
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headers={"Content-Type": "application/x-www-form-urlencoded"},
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body=b"\xe9",
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)
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self.assertEqual(200, response.code)
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self.assertEqual(b"{}", response.body)
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|
|
|
|
|
class HTTPServerRawTest(AsyncHTTPTestCase):
|
|
def get_app(self):
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return Application([("/echo", EchoHandler)])
|
|
|
|
def setUp(self):
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super(HTTPServerRawTest, self).setUp()
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self.stream = IOStream(socket.socket())
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self.io_loop.run_sync(
|
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lambda: self.stream.connect(("127.0.0.1", self.get_http_port()))
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|
)
|
|
|
|
def tearDown(self):
|
|
self.stream.close()
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|
super(HTTPServerRawTest, self).tearDown()
|
|
|
|
def test_empty_request(self):
|
|
self.stream.close()
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|
self.io_loop.add_timeout(datetime.timedelta(seconds=0.001), self.stop)
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self.wait()
|
|
|
|
def test_malformed_first_line_response(self):
|
|
with ExpectLog(gen_log, ".*Malformed HTTP request line"):
|
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self.stream.write(b"asdf\r\n\r\n")
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|
start_line, headers, response = self.io_loop.run_sync(
|
|
lambda: read_stream_body(self.stream)
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|
)
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self.assertEqual("HTTP/1.1", start_line.version)
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|
self.assertEqual(400, start_line.code)
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|
self.assertEqual("Bad Request", start_line.reason)
|
|
|
|
def test_malformed_first_line_log(self):
|
|
with ExpectLog(gen_log, ".*Malformed HTTP request line"):
|
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self.stream.write(b"asdf\r\n\r\n")
|
|
# TODO: need an async version of ExpectLog so we don't need
|
|
# hard-coded timeouts here.
|
|
self.io_loop.add_timeout(datetime.timedelta(seconds=0.05), self.stop)
|
|
self.wait()
|
|
|
|
def test_malformed_headers(self):
|
|
with ExpectLog(gen_log, ".*Malformed HTTP message.*no colon in header line"):
|
|
self.stream.write(b"GET / HTTP/1.0\r\nasdf\r\n\r\n")
|
|
self.io_loop.add_timeout(datetime.timedelta(seconds=0.05), self.stop)
|
|
self.wait()
|
|
|
|
def test_chunked_request_body(self):
|
|
# Chunked requests are not widely supported and we don't have a way
|
|
# to generate them in AsyncHTTPClient, but HTTPServer will read them.
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|
self.stream.write(
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b"""\
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POST /echo HTTP/1.1
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Transfer-Encoding: chunked
|
|
Content-Type: application/x-www-form-urlencoded
|
|
|
|
4
|
|
foo=
|
|
3
|
|
bar
|
|
0
|
|
|
|
""".replace(
|
|
b"\n", b"\r\n"
|
|
)
|
|
)
|
|
start_line, headers, response = self.io_loop.run_sync(
|
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lambda: read_stream_body(self.stream)
|
|
)
|
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self.assertEqual(json_decode(response), {u"foo": [u"bar"]})
|
|
|
|
def test_chunked_request_uppercase(self):
|
|
# As per RFC 2616 section 3.6, "Transfer-Encoding" header's value is
|
|
# case-insensitive.
|
|
self.stream.write(
|
|
b"""\
|
|
POST /echo HTTP/1.1
|
|
Transfer-Encoding: Chunked
|
|
Content-Type: application/x-www-form-urlencoded
|
|
|
|
4
|
|
foo=
|
|
3
|
|
bar
|
|
0
|
|
|
|
""".replace(
|
|
b"\n", b"\r\n"
|
|
)
|
|
)
|
|
start_line, headers, response = self.io_loop.run_sync(
|
|
lambda: read_stream_body(self.stream)
|
|
)
|
|
self.assertEqual(json_decode(response), {u"foo": [u"bar"]})
|
|
|
|
@gen_test
|
|
def test_invalid_content_length(self):
|
|
with ExpectLog(gen_log, ".*Only integer Content-Length is allowed"):
|
|
self.stream.write(
|
|
b"""\
|
|
POST /echo HTTP/1.1
|
|
Content-Length: foo
|
|
|
|
bar
|
|
|
|
""".replace(
|
|
b"\n", b"\r\n"
|
|
)
|
|
)
|
|
yield self.stream.read_until_close()
|
|
|
|
|
|
class XHeaderTest(HandlerBaseTestCase):
|
|
class Handler(RequestHandler):
|
|
def get(self):
|
|
self.set_header("request-version", self.request.version)
|
|
self.write(
|
|
dict(
|
|
remote_ip=self.request.remote_ip,
|
|
remote_protocol=self.request.protocol,
|
|
)
|
|
)
|
|
|
|
def get_httpserver_options(self):
|
|
return dict(xheaders=True, trusted_downstream=["5.5.5.5"])
|
|
|
|
def test_ip_headers(self):
|
|
self.assertEqual(self.fetch_json("/")["remote_ip"], "127.0.0.1")
|
|
|
|
valid_ipv4 = {"X-Real-IP": "4.4.4.4"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=valid_ipv4)["remote_ip"], "4.4.4.4"
|
|
)
|
|
|
|
valid_ipv4_list = {"X-Forwarded-For": "127.0.0.1, 4.4.4.4"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=valid_ipv4_list)["remote_ip"], "4.4.4.4"
|
|
)
|
|
|
|
valid_ipv6 = {"X-Real-IP": "2620:0:1cfe:face:b00c::3"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=valid_ipv6)["remote_ip"],
|
|
"2620:0:1cfe:face:b00c::3",
|
|
)
|
|
|
|
valid_ipv6_list = {"X-Forwarded-For": "::1, 2620:0:1cfe:face:b00c::3"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=valid_ipv6_list)["remote_ip"],
|
|
"2620:0:1cfe:face:b00c::3",
|
|
)
|
|
|
|
invalid_chars = {"X-Real-IP": "4.4.4.4<script>"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=invalid_chars)["remote_ip"], "127.0.0.1"
|
|
)
|
|
|
|
invalid_chars_list = {"X-Forwarded-For": "4.4.4.4, 5.5.5.5<script>"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=invalid_chars_list)["remote_ip"], "127.0.0.1"
|
|
)
|
|
|
|
invalid_host = {"X-Real-IP": "www.google.com"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=invalid_host)["remote_ip"], "127.0.0.1"
|
|
)
|
|
|
|
def test_trusted_downstream(self):
|
|
valid_ipv4_list = {"X-Forwarded-For": "127.0.0.1, 4.4.4.4, 5.5.5.5"}
|
|
resp = self.fetch("/", headers=valid_ipv4_list)
|
|
if resp.headers["request-version"].startswith("HTTP/2"):
|
|
# This is a hack - there's nothing that fundamentally requires http/1
|
|
# here but tornado_http2 doesn't support it yet.
|
|
self.skipTest("requires HTTP/1.x")
|
|
result = json_decode(resp.body)
|
|
self.assertEqual(result["remote_ip"], "4.4.4.4")
|
|
|
|
def test_scheme_headers(self):
|
|
self.assertEqual(self.fetch_json("/")["remote_protocol"], "http")
|
|
|
|
https_scheme = {"X-Scheme": "https"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=https_scheme)["remote_protocol"], "https"
|
|
)
|
|
|
|
https_forwarded = {"X-Forwarded-Proto": "https"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=https_forwarded)["remote_protocol"], "https"
|
|
)
|
|
|
|
https_multi_forwarded = {"X-Forwarded-Proto": "https , http"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=https_multi_forwarded)["remote_protocol"],
|
|
"http",
|
|
)
|
|
|
|
http_multi_forwarded = {"X-Forwarded-Proto": "http,https"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=http_multi_forwarded)["remote_protocol"],
|
|
"https",
|
|
)
|
|
|
|
bad_forwarded = {"X-Forwarded-Proto": "unknown"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=bad_forwarded)["remote_protocol"], "http"
|
|
)
|
|
|
|
|
|
class SSLXHeaderTest(AsyncHTTPSTestCase, HandlerBaseTestCase):
|
|
def get_app(self):
|
|
return Application([("/", XHeaderTest.Handler)])
|
|
|
|
def get_httpserver_options(self):
|
|
output = super(SSLXHeaderTest, self).get_httpserver_options()
|
|
output["xheaders"] = True
|
|
return output
|
|
|
|
def test_request_without_xprotocol(self):
|
|
self.assertEqual(self.fetch_json("/")["remote_protocol"], "https")
|
|
|
|
http_scheme = {"X-Scheme": "http"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=http_scheme)["remote_protocol"], "http"
|
|
)
|
|
|
|
bad_scheme = {"X-Scheme": "unknown"}
|
|
self.assertEqual(
|
|
self.fetch_json("/", headers=bad_scheme)["remote_protocol"], "https"
|
|
)
|
|
|
|
|
|
class ManualProtocolTest(HandlerBaseTestCase):
|
|
class Handler(RequestHandler):
|
|
def get(self):
|
|
self.write(dict(protocol=self.request.protocol))
|
|
|
|
def get_httpserver_options(self):
|
|
return dict(protocol="https")
|
|
|
|
def test_manual_protocol(self):
|
|
self.assertEqual(self.fetch_json("/")["protocol"], "https")
|
|
|
|
|
|
@unittest.skipIf(
|
|
not hasattr(socket, "AF_UNIX") or sys.platform == "cygwin",
|
|
"unix sockets not supported on this platform",
|
|
)
|
|
class UnixSocketTest(AsyncTestCase):
|
|
"""HTTPServers can listen on Unix sockets too.
|
|
|
|
Why would you want to do this? Nginx can proxy to backends listening
|
|
on unix sockets, for one thing (and managing a namespace for unix
|
|
sockets can be easier than managing a bunch of TCP port numbers).
|
|
|
|
Unfortunately, there's no way to specify a unix socket in a url for
|
|
an HTTP client, so we have to test this by hand.
|
|
"""
|
|
|
|
def setUp(self):
|
|
super(UnixSocketTest, self).setUp()
|
|
self.tmpdir = tempfile.mkdtemp()
|
|
self.sockfile = os.path.join(self.tmpdir, "test.sock")
|
|
sock = netutil.bind_unix_socket(self.sockfile)
|
|
app = Application([("/hello", HelloWorldRequestHandler)])
|
|
self.server = HTTPServer(app)
|
|
self.server.add_socket(sock)
|
|
self.stream = IOStream(socket.socket(socket.AF_UNIX))
|
|
self.io_loop.run_sync(lambda: self.stream.connect(self.sockfile))
|
|
|
|
def tearDown(self):
|
|
self.stream.close()
|
|
self.io_loop.run_sync(self.server.close_all_connections)
|
|
self.server.stop()
|
|
shutil.rmtree(self.tmpdir)
|
|
super(UnixSocketTest, self).tearDown()
|
|
|
|
@gen_test
|
|
def test_unix_socket(self):
|
|
self.stream.write(b"GET /hello HTTP/1.0\r\n\r\n")
|
|
response = yield self.stream.read_until(b"\r\n")
|
|
self.assertEqual(response, b"HTTP/1.1 200 OK\r\n")
|
|
header_data = yield self.stream.read_until(b"\r\n\r\n")
|
|
headers = HTTPHeaders.parse(header_data.decode("latin1"))
|
|
body = yield self.stream.read_bytes(int(headers["Content-Length"]))
|
|
self.assertEqual(body, b"Hello world")
|
|
|
|
@gen_test
|
|
def test_unix_socket_bad_request(self):
|
|
# Unix sockets don't have remote addresses so they just return an
|
|
# empty string.
|
|
with ExpectLog(gen_log, "Malformed HTTP message from"):
|
|
self.stream.write(b"garbage\r\n\r\n")
|
|
response = yield self.stream.read_until_close()
|
|
self.assertEqual(response, b"HTTP/1.1 400 Bad Request\r\n\r\n")
|
|
|
|
|
|
class KeepAliveTest(AsyncHTTPTestCase):
|
|
"""Tests various scenarios for HTTP 1.1 keep-alive support.
|
|
|
|
These tests don't use AsyncHTTPClient because we want to control
|
|
connection reuse and closing.
|
|
"""
|
|
|
|
def get_app(self):
|
|
class HelloHandler(RequestHandler):
|
|
def get(self):
|
|
self.finish("Hello world")
|
|
|
|
def post(self):
|
|
self.finish("Hello world")
|
|
|
|
class LargeHandler(RequestHandler):
|
|
def get(self):
|
|
# 512KB should be bigger than the socket buffers so it will
|
|
# be written out in chunks.
|
|
self.write("".join(chr(i % 256) * 1024 for i in range(512)))
|
|
|
|
class FinishOnCloseHandler(RequestHandler):
|
|
def initialize(self, cleanup_event):
|
|
self.cleanup_event = cleanup_event
|
|
|
|
@gen.coroutine
|
|
def get(self):
|
|
self.flush()
|
|
yield self.cleanup_event.wait()
|
|
|
|
def on_connection_close(self):
|
|
# This is not very realistic, but finishing the request
|
|
# from the close callback has the right timing to mimic
|
|
# some errors seen in the wild.
|
|
self.finish("closed")
|
|
|
|
self.cleanup_event = Event()
|
|
return Application(
|
|
[
|
|
("/", HelloHandler),
|
|
("/large", LargeHandler),
|
|
(
|
|
"/finish_on_close",
|
|
FinishOnCloseHandler,
|
|
dict(cleanup_event=self.cleanup_event),
|
|
),
|
|
]
|
|
)
|
|
|
|
def setUp(self):
|
|
super(KeepAliveTest, self).setUp()
|
|
self.http_version = b"HTTP/1.1"
|
|
|
|
def tearDown(self):
|
|
# We just closed the client side of the socket; let the IOLoop run
|
|
# once to make sure the server side got the message.
|
|
self.io_loop.add_timeout(datetime.timedelta(seconds=0.001), self.stop)
|
|
self.wait()
|
|
|
|
if hasattr(self, "stream"):
|
|
self.stream.close()
|
|
super(KeepAliveTest, self).tearDown()
|
|
|
|
# The next few methods are a crude manual http client
|
|
@gen.coroutine
|
|
def connect(self):
|
|
self.stream = IOStream(socket.socket())
|
|
yield self.stream.connect(("127.0.0.1", self.get_http_port()))
|
|
|
|
@gen.coroutine
|
|
def read_headers(self):
|
|
first_line = yield self.stream.read_until(b"\r\n")
|
|
self.assertTrue(first_line.startswith(b"HTTP/1.1 200"), first_line)
|
|
header_bytes = yield self.stream.read_until(b"\r\n\r\n")
|
|
headers = HTTPHeaders.parse(header_bytes.decode("latin1"))
|
|
raise gen.Return(headers)
|
|
|
|
@gen.coroutine
|
|
def read_response(self):
|
|
self.headers = yield self.read_headers()
|
|
body = yield self.stream.read_bytes(int(self.headers["Content-Length"]))
|
|
self.assertEqual(b"Hello world", body)
|
|
|
|
def close(self):
|
|
self.stream.close()
|
|
del self.stream
|
|
|
|
@gen_test
|
|
def test_two_requests(self):
|
|
yield self.connect()
|
|
self.stream.write(b"GET / HTTP/1.1\r\n\r\n")
|
|
yield self.read_response()
|
|
self.stream.write(b"GET / HTTP/1.1\r\n\r\n")
|
|
yield self.read_response()
|
|
self.close()
|
|
|
|
@gen_test
|
|
def test_request_close(self):
|
|
yield self.connect()
|
|
self.stream.write(b"GET / HTTP/1.1\r\nConnection: close\r\n\r\n")
|
|
yield self.read_response()
|
|
data = yield self.stream.read_until_close()
|
|
self.assertTrue(not data)
|
|
self.assertEqual(self.headers["Connection"], "close")
|
|
self.close()
|
|
|
|
# keepalive is supported for http 1.0 too, but it's opt-in
|
|
@gen_test
|
|
def test_http10(self):
|
|
self.http_version = b"HTTP/1.0"
|
|
yield self.connect()
|
|
self.stream.write(b"GET / HTTP/1.0\r\n\r\n")
|
|
yield self.read_response()
|
|
data = yield self.stream.read_until_close()
|
|
self.assertTrue(not data)
|
|
self.assertTrue("Connection" not in self.headers)
|
|
self.close()
|
|
|
|
@gen_test
|
|
def test_http10_keepalive(self):
|
|
self.http_version = b"HTTP/1.0"
|
|
yield self.connect()
|
|
self.stream.write(b"GET / HTTP/1.0\r\nConnection: keep-alive\r\n\r\n")
|
|
yield self.read_response()
|
|
self.assertEqual(self.headers["Connection"], "Keep-Alive")
|
|
self.stream.write(b"GET / HTTP/1.0\r\nConnection: keep-alive\r\n\r\n")
|
|
yield self.read_response()
|
|
self.assertEqual(self.headers["Connection"], "Keep-Alive")
|
|
self.close()
|
|
|
|
@gen_test
|
|
def test_http10_keepalive_extra_crlf(self):
|
|
self.http_version = b"HTTP/1.0"
|
|
yield self.connect()
|
|
self.stream.write(b"GET / HTTP/1.0\r\nConnection: keep-alive\r\n\r\n\r\n")
|
|
yield self.read_response()
|
|
self.assertEqual(self.headers["Connection"], "Keep-Alive")
|
|
self.stream.write(b"GET / HTTP/1.0\r\nConnection: keep-alive\r\n\r\n")
|
|
yield self.read_response()
|
|
self.assertEqual(self.headers["Connection"], "Keep-Alive")
|
|
self.close()
|
|
|
|
@gen_test
|
|
def test_pipelined_requests(self):
|
|
yield self.connect()
|
|
self.stream.write(b"GET / HTTP/1.1\r\n\r\nGET / HTTP/1.1\r\n\r\n")
|
|
yield self.read_response()
|
|
yield self.read_response()
|
|
self.close()
|
|
|
|
@gen_test
|
|
def test_pipelined_cancel(self):
|
|
yield self.connect()
|
|
self.stream.write(b"GET / HTTP/1.1\r\n\r\nGET / HTTP/1.1\r\n\r\n")
|
|
# only read once
|
|
yield self.read_response()
|
|
self.close()
|
|
|
|
@gen_test
|
|
def test_cancel_during_download(self):
|
|
yield self.connect()
|
|
self.stream.write(b"GET /large HTTP/1.1\r\n\r\n")
|
|
yield self.read_headers()
|
|
yield self.stream.read_bytes(1024)
|
|
self.close()
|
|
|
|
@gen_test
|
|
def test_finish_while_closed(self):
|
|
yield self.connect()
|
|
self.stream.write(b"GET /finish_on_close HTTP/1.1\r\n\r\n")
|
|
yield self.read_headers()
|
|
self.close()
|
|
# Let the hanging coroutine clean up after itself
|
|
self.cleanup_event.set()
|
|
|
|
@gen_test
|
|
def test_keepalive_chunked(self):
|
|
self.http_version = b"HTTP/1.0"
|
|
yield self.connect()
|
|
self.stream.write(
|
|
b"POST / HTTP/1.0\r\n"
|
|
b"Connection: keep-alive\r\n"
|
|
b"Transfer-Encoding: chunked\r\n"
|
|
b"\r\n"
|
|
b"0\r\n"
|
|
b"\r\n"
|
|
)
|
|
yield self.read_response()
|
|
self.assertEqual(self.headers["Connection"], "Keep-Alive")
|
|
self.stream.write(b"GET / HTTP/1.0\r\nConnection: keep-alive\r\n\r\n")
|
|
yield self.read_response()
|
|
self.assertEqual(self.headers["Connection"], "Keep-Alive")
|
|
self.close()
|
|
|
|
|
|
class GzipBaseTest(object):
|
|
def get_app(self):
|
|
return Application([("/", EchoHandler)])
|
|
|
|
def post_gzip(self, body):
|
|
bytesio = BytesIO()
|
|
gzip_file = gzip.GzipFile(mode="w", fileobj=bytesio)
|
|
gzip_file.write(utf8(body))
|
|
gzip_file.close()
|
|
compressed_body = bytesio.getvalue()
|
|
return self.fetch(
|
|
"/",
|
|
method="POST",
|
|
body=compressed_body,
|
|
headers={"Content-Encoding": "gzip"},
|
|
)
|
|
|
|
def test_uncompressed(self):
|
|
response = self.fetch("/", method="POST", body="foo=bar")
|
|
self.assertEquals(json_decode(response.body), {u"foo": [u"bar"]})
|
|
|
|
|
|
class GzipTest(GzipBaseTest, AsyncHTTPTestCase):
|
|
def get_httpserver_options(self):
|
|
return dict(decompress_request=True)
|
|
|
|
def test_gzip(self):
|
|
response = self.post_gzip("foo=bar")
|
|
self.assertEquals(json_decode(response.body), {u"foo": [u"bar"]})
|
|
|
|
|
|
class GzipUnsupportedTest(GzipBaseTest, AsyncHTTPTestCase):
|
|
def test_gzip_unsupported(self):
|
|
# Gzip support is opt-in; without it the server fails to parse
|
|
# the body (but parsing form bodies is currently just a log message,
|
|
# not a fatal error).
|
|
with ExpectLog(gen_log, "Unsupported Content-Encoding"):
|
|
response = self.post_gzip("foo=bar")
|
|
self.assertEquals(json_decode(response.body), {})
|
|
|
|
|
|
class StreamingChunkSizeTest(AsyncHTTPTestCase):
|
|
# 50 characters long, and repetitive so it can be compressed.
|
|
BODY = b"01234567890123456789012345678901234567890123456789"
|
|
CHUNK_SIZE = 16
|
|
|
|
def get_http_client(self):
|
|
# body_producer doesn't work on curl_httpclient, so override the
|
|
# configured AsyncHTTPClient implementation.
|
|
return SimpleAsyncHTTPClient()
|
|
|
|
def get_httpserver_options(self):
|
|
return dict(chunk_size=self.CHUNK_SIZE, decompress_request=True)
|
|
|
|
class MessageDelegate(HTTPMessageDelegate):
|
|
def __init__(self, connection):
|
|
self.connection = connection
|
|
|
|
def headers_received(self, start_line, headers):
|
|
self.chunk_lengths = [] # type: List[int]
|
|
|
|
def data_received(self, chunk):
|
|
self.chunk_lengths.append(len(chunk))
|
|
|
|
def finish(self):
|
|
response_body = utf8(json_encode(self.chunk_lengths))
|
|
self.connection.write_headers(
|
|
ResponseStartLine("HTTP/1.1", 200, "OK"),
|
|
HTTPHeaders({"Content-Length": str(len(response_body))}),
|
|
)
|
|
self.connection.write(response_body)
|
|
self.connection.finish()
|
|
|
|
def get_app(self):
|
|
class App(HTTPServerConnectionDelegate):
|
|
def start_request(self, server_conn, request_conn):
|
|
return StreamingChunkSizeTest.MessageDelegate(request_conn)
|
|
|
|
return App()
|
|
|
|
def fetch_chunk_sizes(self, **kwargs):
|
|
response = self.fetch("/", method="POST", **kwargs)
|
|
response.rethrow()
|
|
chunks = json_decode(response.body)
|
|
self.assertEqual(len(self.BODY), sum(chunks))
|
|
for chunk_size in chunks:
|
|
self.assertLessEqual(
|
|
chunk_size, self.CHUNK_SIZE, "oversized chunk: " + str(chunks)
|
|
)
|
|
self.assertGreater(chunk_size, 0, "empty chunk: " + str(chunks))
|
|
return chunks
|
|
|
|
def compress(self, body):
|
|
bytesio = BytesIO()
|
|
gzfile = gzip.GzipFile(mode="w", fileobj=bytesio)
|
|
gzfile.write(body)
|
|
gzfile.close()
|
|
compressed = bytesio.getvalue()
|
|
if len(compressed) >= len(body):
|
|
raise Exception("body did not shrink when compressed")
|
|
return compressed
|
|
|
|
def test_regular_body(self):
|
|
chunks = self.fetch_chunk_sizes(body=self.BODY)
|
|
# Without compression we know exactly what to expect.
|
|
self.assertEqual([16, 16, 16, 2], chunks)
|
|
|
|
def test_compressed_body(self):
|
|
self.fetch_chunk_sizes(
|
|
body=self.compress(self.BODY), headers={"Content-Encoding": "gzip"}
|
|
)
|
|
# Compression creates irregular boundaries so the assertions
|
|
# in fetch_chunk_sizes are as specific as we can get.
|
|
|
|
def test_chunked_body(self):
|
|
def body_producer(write):
|
|
write(self.BODY[:20])
|
|
write(self.BODY[20:])
|
|
|
|
chunks = self.fetch_chunk_sizes(body_producer=body_producer)
|
|
# HTTP chunk boundaries translate to application-visible breaks
|
|
self.assertEqual([16, 4, 16, 14], chunks)
|
|
|
|
def test_chunked_compressed(self):
|
|
compressed = self.compress(self.BODY)
|
|
self.assertGreater(len(compressed), 20)
|
|
|
|
def body_producer(write):
|
|
write(compressed[:20])
|
|
write(compressed[20:])
|
|
|
|
self.fetch_chunk_sizes(
|
|
body_producer=body_producer, headers={"Content-Encoding": "gzip"}
|
|
)
|
|
|
|
|
|
class MaxHeaderSizeTest(AsyncHTTPTestCase):
|
|
def get_app(self):
|
|
return Application([("/", HelloWorldRequestHandler)])
|
|
|
|
def get_httpserver_options(self):
|
|
return dict(max_header_size=1024)
|
|
|
|
def test_small_headers(self):
|
|
response = self.fetch("/", headers={"X-Filler": "a" * 100})
|
|
response.rethrow()
|
|
self.assertEqual(response.body, b"Hello world")
|
|
|
|
def test_large_headers(self):
|
|
with ExpectLog(gen_log, "Unsatisfiable read", required=False):
|
|
try:
|
|
self.fetch("/", headers={"X-Filler": "a" * 1000}, raise_error=True)
|
|
self.fail("did not raise expected exception")
|
|
except HTTPError as e:
|
|
# 431 is "Request Header Fields Too Large", defined in RFC
|
|
# 6585. However, many implementations just close the
|
|
# connection in this case, resulting in a missing response.
|
|
if e.response is not None:
|
|
self.assertIn(e.response.code, (431, 599))
|
|
|
|
|
|
@skipOnTravis
|
|
class IdleTimeoutTest(AsyncHTTPTestCase):
|
|
def get_app(self):
|
|
return Application([("/", HelloWorldRequestHandler)])
|
|
|
|
def get_httpserver_options(self):
|
|
return dict(idle_connection_timeout=0.1)
|
|
|
|
def setUp(self):
|
|
super(IdleTimeoutTest, self).setUp()
|
|
self.streams = [] # type: List[IOStream]
|
|
|
|
def tearDown(self):
|
|
super(IdleTimeoutTest, self).tearDown()
|
|
for stream in self.streams:
|
|
stream.close()
|
|
|
|
@gen.coroutine
|
|
def connect(self):
|
|
stream = IOStream(socket.socket())
|
|
yield stream.connect(("127.0.0.1", self.get_http_port()))
|
|
self.streams.append(stream)
|
|
raise gen.Return(stream)
|
|
|
|
@gen_test
|
|
def test_unused_connection(self):
|
|
stream = yield self.connect()
|
|
event = Event()
|
|
stream.set_close_callback(event.set)
|
|
yield event.wait()
|
|
|
|
@gen_test
|
|
def test_idle_after_use(self):
|
|
stream = yield self.connect()
|
|
event = Event()
|
|
stream.set_close_callback(event.set)
|
|
|
|
# Use the connection twice to make sure keep-alives are working
|
|
for i in range(2):
|
|
stream.write(b"GET / HTTP/1.1\r\n\r\n")
|
|
yield stream.read_until(b"\r\n\r\n")
|
|
data = yield stream.read_bytes(11)
|
|
self.assertEqual(data, b"Hello world")
|
|
|
|
# Now let the timeout trigger and close the connection.
|
|
yield event.wait()
|
|
|
|
|
|
class BodyLimitsTest(AsyncHTTPTestCase):
|
|
def get_app(self):
|
|
class BufferedHandler(RequestHandler):
|
|
def put(self):
|
|
self.write(str(len(self.request.body)))
|
|
|
|
@stream_request_body
|
|
class StreamingHandler(RequestHandler):
|
|
def initialize(self):
|
|
self.bytes_read = 0
|
|
|
|
def prepare(self):
|
|
if "expected_size" in self.request.arguments:
|
|
self.request.connection.set_max_body_size(
|
|
int(self.get_argument("expected_size"))
|
|
)
|
|
if "body_timeout" in self.request.arguments:
|
|
self.request.connection.set_body_timeout(
|
|
float(self.get_argument("body_timeout"))
|
|
)
|
|
|
|
def data_received(self, data):
|
|
self.bytes_read += len(data)
|
|
|
|
def put(self):
|
|
self.write(str(self.bytes_read))
|
|
|
|
return Application(
|
|
[("/buffered", BufferedHandler), ("/streaming", StreamingHandler)]
|
|
)
|
|
|
|
def get_httpserver_options(self):
|
|
return dict(body_timeout=3600, max_body_size=4096)
|
|
|
|
def get_http_client(self):
|
|
# body_producer doesn't work on curl_httpclient, so override the
|
|
# configured AsyncHTTPClient implementation.
|
|
return SimpleAsyncHTTPClient()
|
|
|
|
def test_small_body(self):
|
|
response = self.fetch("/buffered", method="PUT", body=b"a" * 4096)
|
|
self.assertEqual(response.body, b"4096")
|
|
response = self.fetch("/streaming", method="PUT", body=b"a" * 4096)
|
|
self.assertEqual(response.body, b"4096")
|
|
|
|
def test_large_body_buffered(self):
|
|
with ExpectLog(gen_log, ".*Content-Length too long"):
|
|
response = self.fetch("/buffered", method="PUT", body=b"a" * 10240)
|
|
self.assertEqual(response.code, 400)
|
|
|
|
@unittest.skipIf(os.name == "nt", "flaky on windows")
|
|
def test_large_body_buffered_chunked(self):
|
|
# This test is flaky on windows for unknown reasons.
|
|
with ExpectLog(gen_log, ".*chunked body too large"):
|
|
response = self.fetch(
|
|
"/buffered",
|
|
method="PUT",
|
|
body_producer=lambda write: write(b"a" * 10240),
|
|
)
|
|
self.assertEqual(response.code, 400)
|
|
|
|
def test_large_body_streaming(self):
|
|
with ExpectLog(gen_log, ".*Content-Length too long"):
|
|
response = self.fetch("/streaming", method="PUT", body=b"a" * 10240)
|
|
self.assertEqual(response.code, 400)
|
|
|
|
@unittest.skipIf(os.name == "nt", "flaky on windows")
|
|
def test_large_body_streaming_chunked(self):
|
|
with ExpectLog(gen_log, ".*chunked body too large"):
|
|
response = self.fetch(
|
|
"/streaming",
|
|
method="PUT",
|
|
body_producer=lambda write: write(b"a" * 10240),
|
|
)
|
|
self.assertEqual(response.code, 400)
|
|
|
|
def test_large_body_streaming_override(self):
|
|
response = self.fetch(
|
|
"/streaming?expected_size=10240", method="PUT", body=b"a" * 10240
|
|
)
|
|
self.assertEqual(response.body, b"10240")
|
|
|
|
def test_large_body_streaming_chunked_override(self):
|
|
response = self.fetch(
|
|
"/streaming?expected_size=10240",
|
|
method="PUT",
|
|
body_producer=lambda write: write(b"a" * 10240),
|
|
)
|
|
self.assertEqual(response.body, b"10240")
|
|
|
|
@gen_test
|
|
def test_timeout(self):
|
|
stream = IOStream(socket.socket())
|
|
try:
|
|
yield stream.connect(("127.0.0.1", self.get_http_port()))
|
|
# Use a raw stream because AsyncHTTPClient won't let us read a
|
|
# response without finishing a body.
|
|
stream.write(
|
|
b"PUT /streaming?body_timeout=0.1 HTTP/1.0\r\n"
|
|
b"Content-Length: 42\r\n\r\n"
|
|
)
|
|
with ExpectLog(gen_log, "Timeout reading body"):
|
|
response = yield stream.read_until_close()
|
|
self.assertEqual(response, b"")
|
|
finally:
|
|
stream.close()
|
|
|
|
@gen_test
|
|
def test_body_size_override_reset(self):
|
|
# The max_body_size override is reset between requests.
|
|
stream = IOStream(socket.socket())
|
|
try:
|
|
yield stream.connect(("127.0.0.1", self.get_http_port()))
|
|
# Use a raw stream so we can make sure it's all on one connection.
|
|
stream.write(
|
|
b"PUT /streaming?expected_size=10240 HTTP/1.1\r\n"
|
|
b"Content-Length: 10240\r\n\r\n"
|
|
)
|
|
stream.write(b"a" * 10240)
|
|
start_line, headers, response = yield read_stream_body(stream)
|
|
self.assertEqual(response, b"10240")
|
|
# Without the ?expected_size parameter, we get the old default value
|
|
stream.write(
|
|
b"PUT /streaming HTTP/1.1\r\n" b"Content-Length: 10240\r\n\r\n"
|
|
)
|
|
with ExpectLog(gen_log, ".*Content-Length too long"):
|
|
data = yield stream.read_until_close()
|
|
self.assertEqual(data, b"HTTP/1.1 400 Bad Request\r\n\r\n")
|
|
finally:
|
|
stream.close()
|
|
|
|
|
|
class LegacyInterfaceTest(AsyncHTTPTestCase):
|
|
def get_app(self):
|
|
# The old request_callback interface does not implement the
|
|
# delegate interface, and writes its response via request.write
|
|
# instead of request.connection.write_headers.
|
|
def handle_request(request):
|
|
self.http1 = request.version.startswith("HTTP/1.")
|
|
if not self.http1:
|
|
# This test will be skipped if we're using HTTP/2,
|
|
# so just close it out cleanly using the modern interface.
|
|
request.connection.write_headers(
|
|
ResponseStartLine("", 200, "OK"), HTTPHeaders()
|
|
)
|
|
request.connection.finish()
|
|
return
|
|
message = b"Hello world"
|
|
request.connection.write(
|
|
utf8("HTTP/1.1 200 OK\r\n" "Content-Length: %d\r\n\r\n" % len(message))
|
|
)
|
|
request.connection.write(message)
|
|
request.connection.finish()
|
|
|
|
return handle_request
|
|
|
|
def test_legacy_interface(self):
|
|
response = self.fetch("/")
|
|
if not self.http1:
|
|
self.skipTest("requires HTTP/1.x")
|
|
self.assertEqual(response.body, b"Hello world")
|