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Split PlainHttpClient into separate clients for talking to Identity servers and talking to Capatcha servers

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This commit is contained in:
Mark Haines 2014-10-02 13:57:48 +01:00
parent 2d55d43d40
commit 4f11518934
6 changed files with 166 additions and 159 deletions
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4
synapse/app/homeserver.py
View File

@ -25,7 +25,7 @@ from twisted.web.static import File
from twisted.web.server import Site
from synapse.http.server import JsonResource, RootRedirect
from synapse.http.content_repository import ContentRepoResource
from synapse.http.client import TwistedHttpClient
from synapse.http.client import MatrixHttpClient
from synapse.api.urls import (
CLIENT_PREFIX, FEDERATION_PREFIX, WEB_CLIENT_PREFIX, CONTENT_REPO_PREFIX
)
@ -47,7 +47,7 @@ logger = logging.getLogger(__name__)
class SynapseHomeServer(HomeServer):
def build_http_client(self):
return TwistedHttpClient(self)
return MatrixHttpClient(self)
def build_resource_for_client(self):
return JsonResource()

4
synapse/handlers/directory.py
View File

@ -18,7 +18,7 @@ from twisted.internet import defer
from ._base import BaseHandler
from synapse.api.errors import SynapseError
from synapse.http.client import HttpClient
from synapse.http.client import MatrixHttpClient
from synapse.api.events.room import RoomAliasesEvent
import logging
@ -98,7 +98,7 @@ class DirectoryHandler(BaseHandler):
query_type="directory",
args={
"room_alias": room_alias.to_string(),
HttpClient.RETRY_DNS_LOOKUP_FAILURES: False
MatrixHttpClient.RETRY_DNS_LOOKUP_FAILURES: False
}
)

4
synapse/handlers/login.py
View File

@ -17,7 +17,7 @@ from twisted.internet import defer
from ._base import BaseHandler
from synapse.api.errors import LoginError, Codes
from synapse.http.client import PlainHttpClient
from synapse.http.client import IdentityServerHttpClient
from synapse.util.emailutils import EmailException
import synapse.util.emailutils as emailutils
@ -97,7 +97,7 @@ class LoginHandler(BaseHandler):
@defer.inlineCallbacks
def _query_email(self, email):
httpCli = PlainHttpClient(self.hs)
httpCli = IdentityServerHttpClient(self.hs)
data = yield httpCli.get_json(
'matrix.org:8090', # TODO FIXME This should be configurable.
"/_matrix/identity/api/v1/lookup?medium=email&address=" +

11
synapse/handlers/register.py
View File

@ -22,7 +22,8 @@ from synapse.api.errors import (
)
from ._base import BaseHandler
import synapse.util.stringutils as stringutils
from synapse.http.client import PlainHttpClient
from synapse.http.client import IdentityServerHttpClient
from synapse.http.client import CaptchaServerHttpClient
import base64
import bcrypt
@ -154,7 +155,9 @@ class RegistrationHandler(BaseHandler):
@defer.inlineCallbacks
def _threepid_from_creds(self, creds):
httpCli = PlainHttpClient(self.hs)
# TODO: get this from the homeserver rather than creating a new one for
# each request
httpCli = IdentityServerHttpClient(self.hs)
# XXX: make this configurable!
trustedIdServers = ['matrix.org:8090']
if not creds['idServer'] in trustedIdServers:
@ -203,7 +206,9 @@ class RegistrationHandler(BaseHandler):
@defer.inlineCallbacks
def _submit_captcha(self, ip_addr, private_key, challenge, response):
client = PlainHttpClient(self.hs)
# TODO: get this from the homeserver rather than creating a new one for
# each request
client = CaptchaServerHttpClient(self.hs)
data = yield client.post_urlencoded_get_raw(
"www.google.com:80",
"/recaptcha/api/verify",

294
synapse/http/client.py
View File

@ -36,49 +36,6 @@ import urllib
logger = logging.getLogger(__name__)
class HttpClient(object):
""" Interface for talking json over http
"""
RETRY_DNS_LOOKUP_FAILURES = "__retry_dns"
def put_json(self, destination, path, data):
""" Sends the specifed json data using PUT
Args:
destination (str): The remote server to send the HTTP request
to.
path (str): The HTTP path.
data (dict): A dict containing the data that will be used as
the request body. This will be encoded as JSON.
Returns:
Deferred: Succeeds when we get a 2xx HTTP response. The result
will be the decoded JSON body. On a 4xx or 5xx error response a
CodeMessageException is raised.
"""
pass
def get_json(self, destination, path, args=None):
""" Get's some json from the given host homeserver and path
Args:
destination (str): The remote server to send the HTTP request
to.
path (str): The HTTP path.
args (dict): A dictionary used to create query strings, defaults to
None.
**Note**: The value of each key is assumed to be an iterable
and *not* a string.
Returns:
Deferred: Succeeds when we get *any* HTTP response.
The result of the deferred is a tuple of `(code, response)`,
where `response` is a dict representing the decoded JSON body.
"""
pass
class MatrixHttpAgent(_AgentBase):
def __init__(self, reactor, pool=None):
@ -102,113 +59,14 @@ class MatrixHttpAgent(_AgentBase):
parsed_URI.originForm)
class TwistedHttpClient(HttpClient):
""" Wrapper around the twisted HTTP client api.
Attributes:
agent (twisted.web.client.Agent): The twisted Agent used to send the
requests.
class BaseHttpClient(object):
"""Base class for HTTP clients using twisted.
"""
def __init__(self, hs):
self.agent = MatrixHttpAgent(reactor)
self.hs = hs
@defer.inlineCallbacks
def put_json(self, destination, path, data, on_send_callback=None):
if destination in _destination_mappings:
destination = _destination_mappings[destination]
response = yield self._create_request(
destination.encode("ascii"),
"PUT",
path.encode("ascii"),
producer=_JsonProducer(data),
headers_dict={"Content-Type": ["application/json"]},
on_send_callback=on_send_callback,
)
logger.debug("Getting resp body")
body = yield readBody(response)
logger.debug("Got resp body")
defer.returnValue((response.code, body))
@defer.inlineCallbacks
def get_json(self, destination, path, args={}):
if destination in _destination_mappings:
destination = _destination_mappings[destination]
logger.debug("get_json args: %s", args)
retry_on_dns_fail = True
if HttpClient.RETRY_DNS_LOOKUP_FAILURES in args:
# FIXME: This isn't ideal, but the interface exposed in get_json
# isn't comprehensive enough to give caller's any control over
# their connection mechanics.
retry_on_dns_fail = args.pop(HttpClient.RETRY_DNS_LOOKUP_FAILURES)
query_bytes = urllib.urlencode(args, True)
logger.debug("Query bytes: %s Retry DNS: %s", args, retry_on_dns_fail)
response = yield self._create_request(
destination.encode("ascii"),
"GET",
path.encode("ascii"),
query_bytes=query_bytes,
retry_on_dns_fail=retry_on_dns_fail
)
body = yield readBody(response)
defer.returnValue(json.loads(body))
@defer.inlineCallbacks
def post_urlencoded_get_json(self, destination, path, args={}):
if destination in _destination_mappings:
destination = _destination_mappings[destination]
logger.debug("post_urlencoded_get_json args: %s", args)
query_bytes = urllib.urlencode(args, True)
response = yield self._create_request(
destination.encode("ascii"),
"POST",
path.encode("ascii"),
producer=FileBodyProducer(StringIO(urllib.urlencode(args))),
headers_dict={"Content-Type": ["application/x-www-form-urlencoded"]}
)
body = yield readBody(response)
defer.returnValue(json.loads(body))
# XXX FIXME : I'm so sorry.
@defer.inlineCallbacks
def post_urlencoded_get_raw(self, destination, path, accept_partial=False, args={}):
if destination in _destination_mappings:
destination = _destination_mappings[destination]
query_bytes = urllib.urlencode(args, True)
response = yield self._create_request(
destination.encode("ascii"),
"POST",
path.encode("ascii"),
producer=FileBodyProducer(StringIO(urllib.urlencode(args))),
headers_dict={"Content-Type": ["application/x-www-form-urlencoded"]}
)
try:
body = yield readBody(response)
defer.returnValue(body)
except PartialDownloadError as e:
if accept_partial:
defer.returnValue(e.response)
else:
raise e
@defer.inlineCallbacks
def _create_request(self, destination, method, path_bytes, param_bytes=b"",
query_bytes=b"", producer=None, headers_dict={},
@ -232,7 +90,6 @@ class TwistedHttpClient(HttpClient):
retries_left = 5
# TODO: setup and pass in an ssl_context to enable TLS
endpoint = self._getEndpoint(reactor, destination);
while True:
@ -283,6 +140,92 @@ class TwistedHttpClient(HttpClient):
defer.returnValue(response)
class MatrixHttpClient(BaseHttpClient):
""" Wrapper around the twisted HTTP client api. Implements
Attributes:
agent (twisted.web.client.Agent): The twisted Agent used to send the
requests.
"""
RETRY_DNS_LOOKUP_FAILURES = "__retry_dns"
@defer.inlineCallbacks
def put_json(self, destination, path, data, on_send_callback=None):
""" Sends the specifed json data using PUT
Args:
destination (str): The remote server to send the HTTP request
to.
path (str): The HTTP path.
data (dict): A dict containing the data that will be used as
the request body. This will be encoded as JSON.
Returns:
Deferred: Succeeds when we get a 2xx HTTP response. The result
will be the decoded JSON body. On a 4xx or 5xx error response a
CodeMessageException is raised.
"""
response = yield self._create_request(
destination.encode("ascii"),
"PUT",
path.encode("ascii"),
producer=_JsonProducer(data),
headers_dict={"Content-Type": ["application/json"]},
on_send_callback=on_send_callback,
)
logger.debug("Getting resp body")
body = yield readBody(response)
logger.debug("Got resp body")
defer.returnValue((response.code, body))
@defer.inlineCallbacks
def get_json(self, destination, path, args={}):
""" Get's some json from the given host homeserver and path
Args:
destination (str): The remote server to send the HTTP request
to.
path (str): The HTTP path.
args (dict): A dictionary used to create query strings, defaults to
None.
**Note**: The value of each key is assumed to be an iterable
and *not* a string.
Returns:
Deferred: Succeeds when we get *any* HTTP response.
The result of the deferred is a tuple of `(code, response)`,
where `response` is a dict representing the decoded JSON body.
"""
logger.debug("get_json args: %s", args)
retry_on_dns_fail = True
if HttpClient.RETRY_DNS_LOOKUP_FAILURES in args:
# FIXME: This isn't ideal, but the interface exposed in get_json
# isn't comprehensive enough to give caller's any control over
# their connection mechanics.
retry_on_dns_fail = args.pop(HttpClient.RETRY_DNS_LOOKUP_FAILURES)
query_bytes = urllib.urlencode(args, True)
logger.debug("Query bytes: %s Retry DNS: %s", args, retry_on_dns_fail)
response = yield self._create_request(
destination.encode("ascii"),
"GET",
path.encode("ascii"),
query_bytes=query_bytes,
retry_on_dns_fail=retry_on_dns_fail
)
body = yield readBody(response)
defer.returnValue(json.loads(body))
def _getEndpoint(self, reactor, destination):
return matrix_endpoint(
reactor, destination, timeout=10,
@ -290,10 +233,69 @@ class TwistedHttpClient(HttpClient):
)
class PlainHttpClient(TwistedHttpClient):
class IdentityServerHttpClient(BaseHttpClient):
"""Separate HTTP client for talking to the Identity servers since they
don't use SRV records and talk x-www-form-urlencoded rather than JSON.
"""
def _getEndpoint(self, reactor, destination):
#TODO: This should be talking TLS
return matrix_endpoint(reactor, destination, timeout=10)
@defer.inlineCallbacks
def post_urlencoded_get_json(self, destination, path, args={}):
if destination in _destination_mappings:
destination = _destination_mappings[destination]
logger.debug("post_urlencoded_get_json args: %s", args)
query_bytes = urllib.urlencode(args, True)
response = yield self._create_request(
destination.encode("ascii"),
"POST",
path.encode("ascii"),
producer=FileBodyProducer(StringIO(urllib.urlencode(args))),
headers_dict={
"Content-Type": ["application/x-www-form-urlencoded"]
}
)
body = yield readBody(response)
defer.returnValue(json.loads(body))
class CaptchaServerHttpClient(MatrixHttpClient):
"""Separate HTTP client for talking to google's captcha servers"""
def _getEndpoint(self, reactor, destination):
return matrix_endpoint(reactor, destination, timeout=10)
@defer.inlineCallbacks
def post_urlencoded_get_raw(self, destination, path, accept_partial=False,
args={}):
if destination in _destination_mappings:
destination = _destination_mappings[destination]
query_bytes = urllib.urlencode(args, True)
response = yield self._create_request(
destination.encode("ascii"),
"POST",
path.encode("ascii"),
producer=FileBodyProducer(StringIO(urllib.urlencode(args))),
headers_dict={
"Content-Type": ["application/x-www-form-urlencoded"]
}
)
try:
body = yield readBody(response)
defer.returnValue(body)
except PartialDownloadError as e:
if accept_partial:
defer.returnValue(e.response)
else:
raise e
def _print_ex(e):
if hasattr(e, "reasons") and e.reasons:

4
tests/handlers/test_directory.py
View File

@ -20,7 +20,7 @@ from twisted.internet import defer
from mock import Mock
from synapse.server import HomeServer
from synapse.http.client import HttpClient
from synapse.http.client import MatrixHttpClient
from synapse.handlers.directory import DirectoryHandler
from synapse.storage.directory import RoomAliasMapping
@ -95,7 +95,7 @@ class DirectoryTestCase(unittest.TestCase):
query_type="directory",
args={
"room_alias": "#another:remote",
HttpClient.RETRY_DNS_LOOKUP_FAILURES: False
MatrixHttpClient.RETRY_DNS_LOOKUP_FAILURES: False
}
)