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authorRichard van der Hoff <1389908+richvdh@users.noreply.github.com>2018-12-05 14:38:58 +0100
committerGitHub <noreply@github.com>2018-12-05 14:38:58 +0100
commite8d98466b0d29abd3604470af9f10134f3373506 (patch)
tree4f94c471e9de69cff6867c328797dbd3c2f06c46 /synapse
parentMerge pull request #4260 from matrix-org/rav/python3 (diff)
downloadsynapse-e8d98466b0d29abd3604470af9f10134f3373506.tar.xz
Implement .well-known handling (#4262)
Sometimes it's useful for synapse to generate its own .well-known file.
Diffstat (limited to 'synapse')
-rwxr-xr-xsynapse/app/homeserver.py2
-rw-r--r--synapse/config/registration.py9
-rw-r--r--synapse/rest/well_known.py70
3 files changed, 81 insertions, 0 deletions
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 3e4dea2f19..a03a3e4b8a 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -60,6 +60,7 @@ from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
 from synapse.rest import ClientRestResource
 from synapse.rest.key.v2 import KeyApiV2Resource
 from synapse.rest.media.v0.content_repository import ContentRepoResource
+from synapse.rest.well_known import WellKnownResource
 from synapse.server import HomeServer
 from synapse.storage import DataStore, are_all_users_on_domain
 from synapse.storage.engines import IncorrectDatabaseSetup, create_engine
@@ -195,6 +196,7 @@ class SynapseHomeServer(HomeServer):
                 "/_matrix/client/unstable": client_resource,
                 "/_matrix/client/v2_alpha": client_resource,
                 "/_matrix/client/versions": client_resource,
+                "/.well-known/matrix/client": WellKnownResource(self),
             })
 
         if name == "consent":
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index 717bbfec61..e365f0c30b 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -37,6 +37,7 @@ class RegistrationConfig(Config):
 
         self.bcrypt_rounds = config.get("bcrypt_rounds", 12)
         self.trusted_third_party_id_servers = config["trusted_third_party_id_servers"]
+        self.default_identity_server = config.get("default_identity_server")
         self.allow_guest_access = config.get("allow_guest_access", False)
 
         self.invite_3pid_guest = (
@@ -91,6 +92,14 @@ class RegistrationConfig(Config):
         # accessible to anonymous users.
         allow_guest_access: False
 
+        # The identity server which we suggest that clients should use when users log
+        # in on this server.
+        #
+        # (By default, no suggestion is made, so it is left up to the client.
+        # This setting is ignored unless public_baseurl is also set.)
+        #
+        # default_identity_server: https://matrix.org
+
         # The list of identity servers trusted to verify third party
         # identifiers by this server.
         #
diff --git a/synapse/rest/well_known.py b/synapse/rest/well_known.py
new file mode 100644
index 0000000000..6e043d6162
--- /dev/null
+++ b/synapse/rest/well_known.py
@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*-
+# Copyright 2018 New Vector Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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.
+
+import json
+import logging
+
+from twisted.web.resource import Resource
+
+logger = logging.getLogger(__name__)
+
+
+class WellKnownBuilder(object):
+    """Utility to construct the well-known response
+
+    Args:
+        hs (synapse.server.HomeServer):
+    """
+    def __init__(self, hs):
+        self._config = hs.config
+
+    def get_well_known(self):
+        # if we don't have a public_base_url, we can't help much here.
+        if self._config.public_baseurl is None:
+            return None
+
+        result = {
+            "m.homeserver": {
+                "base_url": self._config.public_baseurl,
+            },
+        }
+
+        if self._config.default_identity_server:
+            result["m.identity_server"] = {
+                "base_url": self._config.default_identity_server,
+            }
+
+        return result
+
+
+class WellKnownResource(Resource):
+    """A Twisted web resource which renders the .well-known file"""
+
+    isLeaf = 1
+
+    def __init__(self, hs):
+        Resource.__init__(self)
+        self._well_known_builder = WellKnownBuilder(hs)
+
+    def render_GET(self, request):
+        r = self._well_known_builder.get_well_known()
+        if not r:
+            request.setResponseCode(404)
+            request.setHeader(b"Content-Type", b"text/plain")
+            return b'.well-known not available'
+
+        logger.error("returning: %s", r)
+        request.setHeader(b"Content-Type", b"application/json")
+        return json.dumps(r).encode("utf-8")