synapse-product/tests/server.py
Andrew Morgan a3a90ee031
Show a confirmation page during user password reset (#8004)
This PR adds a confirmation step to resetting your user password between clicking the link in your email and your password actually being reset.

This is to better align our password reset flow with the industry standard of requiring a confirmation from the user after email validation.
2020-09-10 11:45:12 +01:00

553 lines
15 KiB
Python

import json
import logging
from io import SEEK_END, BytesIO
import attr
from zope.interface import implementer
from twisted.internet import address, threads, udp
from twisted.internet._resolver import SimpleResolverComplexifier
from twisted.internet.defer import Deferred, fail, succeed
from twisted.internet.error import DNSLookupError
from twisted.internet.interfaces import (
IReactorPluggableNameResolver,
IReactorTCP,
IResolverSimple,
)
from twisted.python.failure import Failure
from twisted.test.proto_helpers import AccumulatingProtocol, MemoryReactorClock
from twisted.web.http import unquote
from twisted.web.http_headers import Headers
from twisted.web.server import Site
from synapse.http.site import SynapseRequest
from synapse.util import Clock
from tests.utils import setup_test_homeserver as _sth
logger = logging.getLogger(__name__)
class TimedOutException(Exception):
"""
A web query timed out.
"""
@attr.s
class FakeChannel:
"""
A fake Twisted Web Channel (the part that interfaces with the
wire).
"""
site = attr.ib(type=Site)
_reactor = attr.ib()
result = attr.ib(default=attr.Factory(dict))
_producer = None
@property
def json_body(self):
if not self.result:
raise Exception("No result yet.")
return json.loads(self.result["body"].decode("utf8"))
@property
def code(self):
if not self.result:
raise Exception("No result yet.")
return int(self.result["code"])
@property
def headers(self):
if not self.result:
raise Exception("No result yet.")
h = Headers()
for i in self.result["headers"]:
h.addRawHeader(*i)
return h
def writeHeaders(self, version, code, reason, headers):
self.result["version"] = version
self.result["code"] = code
self.result["reason"] = reason
self.result["headers"] = headers
def write(self, content):
assert isinstance(content, bytes), "Should be bytes! " + repr(content)
if "body" not in self.result:
self.result["body"] = b""
self.result["body"] += content
def registerProducer(self, producer, streaming):
self._producer = producer
self.producerStreaming = streaming
def _produce():
if self._producer:
self._producer.resumeProducing()
self._reactor.callLater(0.1, _produce)
if not streaming:
self._reactor.callLater(0.0, _produce)
def unregisterProducer(self):
if self._producer is None:
return
self._producer = None
def requestDone(self, _self):
self.result["done"] = True
def getPeer(self):
# We give an address so that getClientIP returns a non null entry,
# causing us to record the MAU
return address.IPv4Address("TCP", "127.0.0.1", 3423)
def getHost(self):
return None
@property
def transport(self):
return self
class FakeSite:
"""
A fake Twisted Web Site, with mocks of the extra things that
Synapse adds.
"""
server_version_string = b"1"
site_tag = "test"
access_logger = logging.getLogger("synapse.access.http.fake")
def make_request(
reactor,
method,
path,
content=b"",
access_token=None,
request=SynapseRequest,
shorthand=True,
federation_auth_origin=None,
content_is_form=False,
):
"""
Make a web request using the given method and path, feed it the
content, and return the Request and the Channel underneath.
Args:
method (bytes/unicode): The HTTP request method ("verb").
path (bytes/unicode): The HTTP path, suitably URL encoded (e.g.
escaped UTF-8 & spaces and such).
content (bytes or dict): The body of the request. JSON-encoded, if
a dict.
shorthand: Whether to try and be helpful and prefix the given URL
with the usual REST API path, if it doesn't contain it.
federation_auth_origin (bytes|None): if set to not-None, we will add a fake
Authorization header pretenting to be the given server name.
content_is_form: Whether the content is URL encoded form data. Adds the
'Content-Type': 'application/x-www-form-urlencoded' header.
Returns:
Tuple[synapse.http.site.SynapseRequest, channel]
"""
if not isinstance(method, bytes):
method = method.encode("ascii")
if not isinstance(path, bytes):
path = path.encode("ascii")
# Decorate it to be the full path, if we're using shorthand
if (
shorthand
and not path.startswith(b"/_matrix")
and not path.startswith(b"/_synapse")
):
path = b"/_matrix/client/r0/" + path
path = path.replace(b"//", b"/")
if not path.startswith(b"/"):
path = b"/" + path
if isinstance(content, str):
content = content.encode("utf8")
site = FakeSite()
channel = FakeChannel(site, reactor)
req = request(channel)
req.process = lambda: b""
req.content = BytesIO(content)
# Twisted expects to be at the end of the content when parsing the request.
req.content.seek(SEEK_END)
req.postpath = list(map(unquote, path[1:].split(b"/")))
if access_token:
req.requestHeaders.addRawHeader(
b"Authorization", b"Bearer " + access_token.encode("ascii")
)
if federation_auth_origin is not None:
req.requestHeaders.addRawHeader(
b"Authorization",
b"X-Matrix origin=%s,key=,sig=" % (federation_auth_origin,),
)
if content:
if content_is_form:
req.requestHeaders.addRawHeader(
b"Content-Type", b"application/x-www-form-urlencoded"
)
else:
# Assume the body is JSON
req.requestHeaders.addRawHeader(b"Content-Type", b"application/json")
req.requestReceived(method, path, b"1.1")
return req, channel
def wait_until_result(clock, request, timeout=100):
"""
Wait until the request is finished.
"""
clock.run()
x = 0
while not request.finished:
# If there's a producer, tell it to resume producing so we get content
if request._channel._producer:
request._channel._producer.resumeProducing()
x += 1
if x > timeout:
raise TimedOutException("Timed out waiting for request to finish.")
clock.advance(0.1)
def render(request, resource, clock):
request.render(resource)
wait_until_result(clock, request)
@implementer(IReactorPluggableNameResolver)
class ThreadedMemoryReactorClock(MemoryReactorClock):
"""
A MemoryReactorClock that supports callFromThread.
"""
def __init__(self):
self.threadpool = ThreadPool(self)
self._tcp_callbacks = {}
self._udp = []
lookups = self.lookups = {}
@implementer(IResolverSimple)
class FakeResolver:
def getHostByName(self, name, timeout=None):
if name not in lookups:
return fail(DNSLookupError("OH NO: unknown %s" % (name,)))
return succeed(lookups[name])
self.nameResolver = SimpleResolverComplexifier(FakeResolver())
super(ThreadedMemoryReactorClock, self).__init__()
def listenUDP(self, port, protocol, interface="", maxPacketSize=8196):
p = udp.Port(port, protocol, interface, maxPacketSize, self)
p.startListening()
self._udp.append(p)
return p
def callFromThread(self, callback, *args, **kwargs):
"""
Make the callback fire in the next reactor iteration.
"""
d = Deferred()
d.addCallback(lambda x: callback(*args, **kwargs))
self.callLater(0, d.callback, True)
return d
def getThreadPool(self):
return self.threadpool
def add_tcp_client_callback(self, host, port, callback):
"""Add a callback that will be invoked when we receive a connection
attempt to the given IP/port using `connectTCP`.
Note that the callback gets run before we return the connection to the
client, which means callbacks cannot block while waiting for writes.
"""
self._tcp_callbacks[(host, port)] = callback
def connectTCP(self, host, port, factory, timeout=30, bindAddress=None):
"""Fake L{IReactorTCP.connectTCP}.
"""
conn = super().connectTCP(
host, port, factory, timeout=timeout, bindAddress=None
)
callback = self._tcp_callbacks.get((host, port))
if callback:
callback()
return conn
class ThreadPool:
"""
Threadless thread pool.
"""
def __init__(self, reactor):
self._reactor = reactor
def start(self):
pass
def stop(self):
pass
def callInThreadWithCallback(self, onResult, function, *args, **kwargs):
def _(res):
if isinstance(res, Failure):
onResult(False, res)
else:
onResult(True, res)
d = Deferred()
d.addCallback(lambda x: function(*args, **kwargs))
d.addBoth(_)
self._reactor.callLater(0, d.callback, True)
return d
def setup_test_homeserver(cleanup_func, *args, **kwargs):
"""
Set up a synchronous test server, driven by the reactor used by
the homeserver.
"""
server = _sth(cleanup_func, *args, **kwargs)
database = server.config.database.get_single_database()
# Make the thread pool synchronous.
clock = server.get_clock()
for database in server.get_datastores().databases:
pool = database._db_pool
def runWithConnection(func, *args, **kwargs):
return threads.deferToThreadPool(
pool._reactor,
pool.threadpool,
pool._runWithConnection,
func,
*args,
**kwargs
)
def runInteraction(interaction, *args, **kwargs):
return threads.deferToThreadPool(
pool._reactor,
pool.threadpool,
pool._runInteraction,
interaction,
*args,
**kwargs
)
pool.runWithConnection = runWithConnection
pool.runInteraction = runInteraction
pool.threadpool = ThreadPool(clock._reactor)
pool.running = True
return server
def get_clock():
clock = ThreadedMemoryReactorClock()
hs_clock = Clock(clock)
return clock, hs_clock
@attr.s(cmp=False)
class FakeTransport:
"""
A twisted.internet.interfaces.ITransport implementation which sends all its data
straight into an IProtocol object: it exists to connect two IProtocols together.
To use it, instantiate it with the receiving IProtocol, and then pass it to the
sending IProtocol's makeConnection method:
server = HTTPChannel()
client.makeConnection(FakeTransport(server, self.reactor))
If you want bidirectional communication, you'll need two instances.
"""
other = attr.ib()
"""The Protocol object which will receive any data written to this transport.
:type: twisted.internet.interfaces.IProtocol
"""
_reactor = attr.ib()
"""Test reactor
:type: twisted.internet.interfaces.IReactorTime
"""
_protocol = attr.ib(default=None)
"""The Protocol which is producing data for this transport. Optional, but if set
will get called back for connectionLost() notifications etc.
"""
disconnecting = False
disconnected = False
connected = True
buffer = attr.ib(default=b"")
producer = attr.ib(default=None)
autoflush = attr.ib(default=True)
def getPeer(self):
return None
def getHost(self):
return None
def loseConnection(self, reason=None):
if not self.disconnecting:
logger.info("FakeTransport: loseConnection(%s)", reason)
self.disconnecting = True
if self._protocol:
self._protocol.connectionLost(reason)
# if we still have data to write, delay until that is done
if self.buffer:
logger.info(
"FakeTransport: Delaying disconnect until buffer is flushed"
)
else:
self.connected = False
self.disconnected = True
def abortConnection(self):
logger.info("FakeTransport: abortConnection()")
if not self.disconnecting:
self.disconnecting = True
if self._protocol:
self._protocol.connectionLost(None)
self.disconnected = True
def pauseProducing(self):
if not self.producer:
return
self.producer.pauseProducing()
def resumeProducing(self):
if not self.producer:
return
self.producer.resumeProducing()
def unregisterProducer(self):
if not self.producer:
return
self.producer = None
def registerProducer(self, producer, streaming):
self.producer = producer
self.producerStreaming = streaming
def _produce():
d = self.producer.resumeProducing()
d.addCallback(lambda x: self._reactor.callLater(0.1, _produce))
if not streaming:
self._reactor.callLater(0.0, _produce)
def write(self, byt):
if self.disconnecting:
raise Exception("Writing to disconnecting FakeTransport")
self.buffer = self.buffer + byt
# always actually do the write asynchronously. Some protocols (notably the
# TLSMemoryBIOProtocol) get very confused if a read comes back while they are
# still doing a write. Doing a callLater here breaks the cycle.
if self.autoflush:
self._reactor.callLater(0.0, self.flush)
def writeSequence(self, seq):
for x in seq:
self.write(x)
def flush(self, maxbytes=None):
if not self.buffer:
# nothing to do. Don't write empty buffers: it upsets the
# TLSMemoryBIOProtocol
return
if self.disconnected:
return
if getattr(self.other, "transport") is None:
# the other has no transport yet; reschedule
if self.autoflush:
self._reactor.callLater(0.0, self.flush)
return
if maxbytes is not None:
to_write = self.buffer[:maxbytes]
else:
to_write = self.buffer
logger.info("%s->%s: %s", self._protocol, self.other, to_write)
try:
self.other.dataReceived(to_write)
except Exception as e:
logger.exception("Exception writing to protocol: %s", e)
return
self.buffer = self.buffer[len(to_write) :]
if self.buffer and self.autoflush:
self._reactor.callLater(0.0, self.flush)
if not self.buffer and self.disconnecting:
logger.info("FakeTransport: Buffer now empty, completing disconnect")
self.disconnected = True
def connect_client(reactor: IReactorTCP, client_id: int) -> AccumulatingProtocol:
"""
Connect a client to a fake TCP transport.
Args:
reactor
factory: The connecting factory to build.
"""
factory = reactor.tcpClients[client_id][2]
client = factory.buildProtocol(None)
server = AccumulatingProtocol()
server.makeConnection(FakeTransport(client, reactor))
client.makeConnection(FakeTransport(server, reactor))
reactor.tcpClients.pop(client_id)
return client, server