diff options
Diffstat (limited to 'synapse')
| -rwxr-xr-x | synapse/app/homeserver.py | 7 | ||||
| -rw-r--r-- | synapse/config/tls.py | 8 | ||||
| -rw-r--r-- | synapse/crypto/keyring.py | 4 | ||||
| -rw-r--r-- | synapse/handlers/auth.py | 3 | ||||
| -rw-r--r-- | synapse/http/client.py | 26 | ||||
| -rw-r--r-- | synapse/http/matrixfederationclient.py | 4 | ||||
| -rw-r--r-- | synapse/server.py | 15 |
7 files changed, 55 insertions, 12 deletions
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py index c23f853230..68d37e5bda 100755 --- a/synapse/app/homeserver.py +++ b/synapse/app/homeserver.py @@ -221,7 +221,7 @@ class SynapseHomeServer(HomeServer): listener_config, root_resource, ), - self.tls_context_factory, + self.tls_server_context_factory, interface=bind_address ) else: @@ -365,7 +365,6 @@ def setup(config_options): Args: config_options_options: The options passed to Synapse. Usually `sys.argv[1:]`. - should_run (bool): Whether to start the reactor. Returns: HomeServer @@ -388,7 +387,7 @@ def setup(config_options): events.USE_FROZEN_DICTS = config.use_frozen_dicts - tls_context_factory = context_factory.ServerContextFactory(config) + tls_server_context_factory = context_factory.ServerContextFactory(config) database_engine = create_engine(config.database_config["name"]) config.database_config["args"]["cp_openfun"] = database_engine.on_new_connection @@ -396,7 +395,7 @@ def setup(config_options): hs = SynapseHomeServer( config.server_name, db_config=config.database_config, - tls_context_factory=tls_context_factory, + tls_server_context_factory=tls_server_context_factory, config=config, content_addr=config.content_addr, version_string=version_string, diff --git a/synapse/config/tls.py b/synapse/config/tls.py index 4751d39bc9..e6023a718d 100644 --- a/synapse/config/tls.py +++ b/synapse/config/tls.py @@ -42,6 +42,14 @@ class TlsConfig(Config): config.get("tls_dh_params_path"), "tls_dh_params" ) + # This config option applies to non-federation HTTP clients + # (e.g. for talking to recaptcha, identity servers, and such) + # It should never be used in production, and is intended for + # use only when running tests. + self.use_insecure_ssl_client_just_for_testing_do_not_use = config.get( + "use_insecure_ssl_client_just_for_testing_do_not_use" + ) + def default_config(self, config_dir_path, server_name): base_key_name = os.path.join(config_dir_path, server_name) diff --git a/synapse/crypto/keyring.py b/synapse/crypto/keyring.py index e251ab6af3..1b1b31c5c0 100644 --- a/synapse/crypto/keyring.py +++ b/synapse/crypto/keyring.py @@ -470,7 +470,7 @@ class Keyring(object): continue (response, tls_certificate) = yield fetch_server_key( - server_name, self.hs.tls_context_factory, + server_name, self.hs.tls_server_context_factory, path=(b"/_matrix/key/v2/server/%s" % ( urllib.quote(requested_key_id), )).encode("ascii"), @@ -604,7 +604,7 @@ class Keyring(object): # Try to fetch the key from the remote server. (response, tls_certificate) = yield fetch_server_key( - server_name, self.hs.tls_context_factory + server_name, self.hs.tls_server_context_factory ) # Check the response. diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index 59f687e0f1..793b3fcd8b 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -19,7 +19,6 @@ from ._base import BaseHandler from synapse.api.constants import LoginType from synapse.types import UserID from synapse.api.errors import LoginError, Codes -from synapse.http.client import SimpleHttpClient from synapse.util.async import run_on_reactor from twisted.web.client import PartialDownloadError @@ -187,7 +186,7 @@ class AuthHandler(BaseHandler): # TODO: get this from the homeserver rather than creating a new one for # each request try: - client = SimpleHttpClient(self.hs) + client = self.hs.get_simple_http_client() resp_body = yield client.post_urlencoded_get_json( self.hs.config.recaptcha_siteverify_api, args={ diff --git a/synapse/http/client.py b/synapse/http/client.py index 4b8fd3d3a3..0933388c04 100644 --- a/synapse/http/client.py +++ b/synapse/http/client.py @@ -12,6 +12,8 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. +from OpenSSL import SSL +from OpenSSL.SSL import VERIFY_NONE from synapse.api.errors import CodeMessageException from synapse.util.logcontext import preserve_context_over_fn @@ -19,7 +21,7 @@ import synapse.metrics from canonicaljson import encode_canonical_json -from twisted.internet import defer, reactor +from twisted.internet import defer, reactor, ssl from twisted.web.client import ( Agent, readBody, FileBodyProducer, PartialDownloadError, HTTPConnectionPool, @@ -59,7 +61,12 @@ class SimpleHttpClient(object): # 'like a browser' pool = HTTPConnectionPool(reactor) pool.maxPersistentPerHost = 10 - self.agent = Agent(reactor, pool=pool) + self.agent = Agent( + reactor, + pool=pool, + connectTimeout=15, + contextFactory=hs.get_http_client_context_factory() + ) self.version_string = hs.version_string def request(self, method, uri, *args, **kwargs): @@ -252,3 +259,18 @@ def _print_ex(e): _print_ex(ex) else: logger.exception(e) + + +class InsecureInterceptableContextFactory(ssl.ContextFactory): + """ + Factory for PyOpenSSL SSL contexts which accepts any certificate for any domain. + + Do not use this since it allows an attacker to intercept your communications. + """ + + def __init__(self): + self._context = SSL.Context(SSL.SSLv23_METHOD) + self._context.set_verify(VERIFY_NONE, lambda *_: None) + + def getContext(self, hostname, port): + return self._context diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py index 1c9e552788..b50a0c445c 100644 --- a/synapse/http/matrixfederationclient.py +++ b/synapse/http/matrixfederationclient.py @@ -57,14 +57,14 @@ incoming_responses_counter = metrics.register_counter( class MatrixFederationEndpointFactory(object): def __init__(self, hs): - self.tls_context_factory = hs.tls_context_factory + self.tls_server_context_factory = hs.tls_server_context_factory def endpointForURI(self, uri): destination = uri.netloc return matrix_federation_endpoint( reactor, destination, timeout=10, - ssl_context_factory=self.tls_context_factory + ssl_context_factory=self.tls_server_context_factory ) diff --git a/synapse/server.py b/synapse/server.py index 4d1fb1cbf6..8424798b1b 100644 --- a/synapse/server.py +++ b/synapse/server.py @@ -19,7 +19,9 @@ # partial one for unit test mocking. # Imports required for the default HomeServer() implementation +from twisted.web.client import BrowserLikePolicyForHTTPS from synapse.federation import initialize_http_replication +from synapse.http.client import SimpleHttpClient, InsecureInterceptableContextFactory from synapse.notifier import Notifier from synapse.api.auth import Auth from synapse.handlers import Handlers @@ -87,6 +89,8 @@ class BaseHomeServer(object): 'pusherpool', 'event_builder_factory', 'filtering', + 'http_client_context_factory', + 'simple_http_client', ] def __init__(self, hostname, **kwargs): @@ -174,6 +178,17 @@ class HomeServer(BaseHomeServer): def build_auth(self): return Auth(self) + def build_http_client_context_factory(self): + config = self.get_config() + return ( + InsecureInterceptableContextFactory() + if config.use_insecure_ssl_client_just_for_testing_do_not_use + else BrowserLikePolicyForHTTPS() + ) + + def build_simple_http_client(self): + return SimpleHttpClient(self) + def build_v1auth(self): orf = Auth(self) # Matrix spec makes no reference to what HTTP status code is returned, |