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-rw-r--r--synapse/rest/client/transactions.py2
-rw-r--r--synapse/rest/client/v1/directory.py10
-rw-r--r--synapse/rest/client/v1/login.py110
-rw-r--r--synapse/rest/client/v1/room.py9
-rw-r--r--synapse/rest/client/v2_alpha/register.py11
-rw-r--r--synapse/rest/client/v2_alpha/relations.py20
6 files changed, 92 insertions, 70 deletions
diff --git a/synapse/rest/client/transactions.py b/synapse/rest/client/transactions.py
index 36404b797d..6da71dc46f 100644
--- a/synapse/rest/client/transactions.py
+++ b/synapse/rest/client/transactions.py
@@ -17,8 +17,8 @@
 to ensure idempotency when performing PUTs using the REST API."""
 import logging
 
+from synapse.logging.context import make_deferred_yieldable, run_in_background
 from synapse.util.async_helpers import ObservableDeferred
-from synapse.util.logcontext import make_deferred_yieldable, run_in_background
 
 logger = logging.getLogger(__name__)
 
diff --git a/synapse/rest/client/v1/directory.py b/synapse/rest/client/v1/directory.py
index dd0d38ea5c..57542c2b4b 100644
--- a/synapse/rest/client/v1/directory.py
+++ b/synapse/rest/client/v1/directory.py
@@ -18,7 +18,13 @@ import logging
 
 from twisted.internet import defer
 
-from synapse.api.errors import AuthError, Codes, NotFoundError, SynapseError
+from synapse.api.errors import (
+    AuthError,
+    Codes,
+    InvalidClientCredentialsError,
+    NotFoundError,
+    SynapseError,
+)
 from synapse.http.servlet import RestServlet, parse_json_object_from_request
 from synapse.rest.client.v2_alpha._base import client_patterns
 from synapse.types import RoomAlias
@@ -97,7 +103,7 @@ class ClientDirectoryServer(RestServlet):
                 room_alias.to_string(),
             )
             defer.returnValue((200, {}))
-        except AuthError:
+        except InvalidClientCredentialsError:
             # fallback to default user behaviour if they aren't an AS
             pass
 
diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py
index ede6bc8b1e..0d05945f0a 100644
--- a/synapse/rest/client/v1/login.py
+++ b/synapse/rest/client/v1/login.py
@@ -86,6 +86,7 @@ class LoginRestServlet(RestServlet):
         self.jwt_enabled = hs.config.jwt_enabled
         self.jwt_secret = hs.config.jwt_secret
         self.jwt_algorithm = hs.config.jwt_algorithm
+        self.saml2_enabled = hs.config.saml2_enabled
         self.cas_enabled = hs.config.cas_enabled
         self.auth_handler = self.hs.get_auth_handler()
         self.registration_handler = hs.get_registration_handler()
@@ -97,6 +98,9 @@ class LoginRestServlet(RestServlet):
         flows = []
         if self.jwt_enabled:
             flows.append({"type": LoginRestServlet.JWT_TYPE})
+        if self.saml2_enabled:
+            flows.append({"type": LoginRestServlet.SSO_TYPE})
+            flows.append({"type": LoginRestServlet.TOKEN_TYPE})
         if self.cas_enabled:
             flows.append({"type": LoginRestServlet.SSO_TYPE})
 
@@ -279,19 +283,7 @@ class LoginRestServlet(RestServlet):
             yield auth_handler.validate_short_term_login_token_and_get_user_id(token)
         )
 
-        device_id = login_submission.get("device_id")
-        initial_display_name = login_submission.get("initial_device_display_name")
-        device_id, access_token = yield self.registration_handler.register_device(
-            user_id, device_id, initial_display_name
-        )
-
-        result = {
-            "user_id": user_id,  # may have changed
-            "access_token": access_token,
-            "home_server": self.hs.hostname,
-            "device_id": device_id,
-        }
-
+        result = yield self._register_device_with_callback(user_id, login_submission)
         defer.returnValue(result)
 
     @defer.inlineCallbacks
@@ -320,61 +312,61 @@ class LoginRestServlet(RestServlet):
 
         user_id = UserID(user, self.hs.hostname).to_string()
 
-        auth_handler = self.auth_handler
-        registered_user_id = yield auth_handler.check_user_exists(user_id)
-        if registered_user_id:
-            device_id = login_submission.get("device_id")
-            initial_display_name = login_submission.get("initial_device_display_name")
-            device_id, access_token = yield self.registration_handler.register_device(
-                registered_user_id, device_id, initial_display_name
+        registered_user_id = yield self.auth_handler.check_user_exists(user_id)
+        if not registered_user_id:
+            registered_user_id = yield self.registration_handler.register_user(
+                localpart=user
             )
 
-            result = {
-                "user_id": registered_user_id,
-                "access_token": access_token,
-                "home_server": self.hs.hostname,
-            }
-        else:
-            user_id, access_token = (
-                yield self.registration_handler.register(localpart=user)
-            )
+        result = yield self._register_device_with_callback(
+            registered_user_id, login_submission
+        )
+        defer.returnValue(result)
 
-            device_id = login_submission.get("device_id")
-            initial_display_name = login_submission.get("initial_device_display_name")
-            device_id, access_token = yield self.registration_handler.register_device(
-                registered_user_id, device_id, initial_display_name
-            )
 
-            result = {
-                "user_id": user_id,  # may have changed
-                "access_token": access_token,
-                "home_server": self.hs.hostname,
-            }
+class BaseSSORedirectServlet(RestServlet):
+    """Common base class for /login/sso/redirect impls"""
 
-        defer.returnValue(result)
+    PATTERNS = client_patterns("/login/(cas|sso)/redirect", v1=True)
 
+    def on_GET(self, request):
+        args = request.args
+        if b"redirectUrl" not in args:
+            return 400, "Redirect URL not specified for SSO auth"
+        client_redirect_url = args[b"redirectUrl"][0]
+        sso_url = self.get_sso_url(client_redirect_url)
+        request.redirect(sso_url)
+        finish_request(request)
 
-class CasRedirectServlet(RestServlet):
-    PATTERNS = client_patterns("/login/(cas|sso)/redirect", v1=True)
+    def get_sso_url(self, client_redirect_url):
+        """Get the URL to redirect to, to perform SSO auth
+
+        Args:
+            client_redirect_url (bytes): the URL that we should redirect the
+                client to when everything is done
+
+        Returns:
+            bytes: URL to redirect to
+        """
+        # to be implemented by subclasses
+        raise NotImplementedError()
 
+
+class CasRedirectServlet(BaseSSORedirectServlet):
     def __init__(self, hs):
         super(CasRedirectServlet, self).__init__()
         self.cas_server_url = hs.config.cas_server_url.encode("ascii")
         self.cas_service_url = hs.config.cas_service_url.encode("ascii")
 
-    def on_GET(self, request):
-        args = request.args
-        if b"redirectUrl" not in args:
-            return (400, "Redirect URL not specified for CAS auth")
+    def get_sso_url(self, client_redirect_url):
         client_redirect_url_param = urllib.parse.urlencode(
-            {b"redirectUrl": args[b"redirectUrl"][0]}
+            {b"redirectUrl": client_redirect_url}
         ).encode("ascii")
         hs_redirect_url = self.cas_service_url + b"/_matrix/client/r0/login/cas/ticket"
         service_param = urllib.parse.urlencode(
             {b"service": b"%s?%s" % (hs_redirect_url, client_redirect_url_param)}
         ).encode("ascii")
-        request.redirect(b"%s/login?%s" % (self.cas_server_url, service_param))
-        finish_request(request)
+        return b"%s/login?%s" % (self.cas_server_url, service_param)
 
 
 class CasTicketServlet(RestServlet):
@@ -457,6 +449,16 @@ class CasTicketServlet(RestServlet):
         return user, attributes
 
 
+class SAMLRedirectServlet(BaseSSORedirectServlet):
+    PATTERNS = client_patterns("/login/sso/redirect", v1=True)
+
+    def __init__(self, hs):
+        self._saml_handler = hs.get_saml_handler()
+
+    def get_sso_url(self, client_redirect_url):
+        return self._saml_handler.handle_redirect_request(client_redirect_url)
+
+
 class SSOAuthHandler(object):
     """
     Utility class for Resources and Servlets which handle the response from a SSO
@@ -501,12 +503,8 @@ class SSOAuthHandler(object):
         user_id = UserID(localpart, self._hostname).to_string()
         registered_user_id = yield self._auth_handler.check_user_exists(user_id)
         if not registered_user_id:
-            registered_user_id, _ = (
-                yield self._registration_handler.register(
-                    localpart=localpart,
-                    generate_token=False,
-                    default_display_name=user_display_name,
-                )
+            registered_user_id = yield self._registration_handler.register_user(
+                localpart=localpart, default_display_name=user_display_name
             )
 
         login_token = self._macaroon_gen.generate_short_term_login_token(
@@ -532,3 +530,5 @@ def register_servlets(hs, http_server):
     if hs.config.cas_enabled:
         CasRedirectServlet(hs).register(http_server)
         CasTicketServlet(hs).register(http_server)
+    elif hs.config.saml2_enabled:
+        SAMLRedirectServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index cca7e45ddb..7709c2d705 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -24,7 +24,12 @@ from canonicaljson import json
 from twisted.internet import defer
 
 from synapse.api.constants import EventTypes, Membership
-from synapse.api.errors import AuthError, Codes, SynapseError
+from synapse.api.errors import (
+    AuthError,
+    Codes,
+    InvalidClientCredentialsError,
+    SynapseError,
+)
 from synapse.api.filtering import Filter
 from synapse.events.utils import format_event_for_client_v2
 from synapse.http.servlet import (
@@ -307,7 +312,7 @@ class PublicRoomListRestServlet(TransactionRestServlet):
 
         try:
             yield self.auth.get_user_by_req(request, allow_guest=True)
-        except AuthError as e:
+        except InvalidClientCredentialsError as e:
             # Option to allow servers to require auth when accessing
             # /publicRooms via CS API. This is especially helpful in private
             # federations.
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index 5c120e4dd5..f327999e59 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -464,11 +464,10 @@ class RegisterRestServlet(RestServlet):
                                 Codes.THREEPID_IN_USE,
                             )
 
-            (registered_user_id, _) = yield self.registration_handler.register(
+            registered_user_id = yield self.registration_handler.register_user(
                 localpart=desired_username,
                 password=new_password,
                 guest_access_token=guest_access_token,
-                generate_token=False,
                 threepid=threepid,
                 address=client_addr,
             )
@@ -542,8 +541,8 @@ class RegisterRestServlet(RestServlet):
         if not compare_digest(want_mac, got_mac):
             raise SynapseError(403, "HMAC incorrect")
 
-        (user_id, _) = yield self.registration_handler.register(
-            localpart=username, password=password, generate_token=False
+        user_id = yield self.registration_handler.register_user(
+            localpart=username, password=password
         )
 
         result = yield self._create_registration_details(user_id, body)
@@ -577,8 +576,8 @@ class RegisterRestServlet(RestServlet):
     def _do_guest_registration(self, params, address=None):
         if not self.hs.config.allow_guest_access:
             raise SynapseError(403, "Guest access is disabled")
-        user_id, _ = yield self.registration_handler.register(
-            generate_token=False, make_guest=True, address=address
+        user_id = yield self.registration_handler.register_user(
+            make_guest=True, address=address
         )
 
         # we don't allow guests to specify their own device_id, because
diff --git a/synapse/rest/client/v2_alpha/relations.py b/synapse/rest/client/v2_alpha/relations.py
index 8e362782cc..7ce485b471 100644
--- a/synapse/rest/client/v2_alpha/relations.py
+++ b/synapse/rest/client/v2_alpha/relations.py
@@ -145,9 +145,9 @@ class RelationPaginationServlet(RestServlet):
             room_id, requester.user.to_string()
         )
 
-        # This checks that a) the event exists and b) the user is allowed to
-        # view it.
-        yield self.event_handler.get_event(requester.user, room_id, parent_id)
+        # This gets the original event and checks that a) the event exists and
+        # b) the user is allowed to view it.
+        event = yield self.event_handler.get_event(requester.user, room_id, parent_id)
 
         limit = parse_integer(request, "limit", default=5)
         from_token = parse_string(request, "from")
@@ -173,10 +173,22 @@ class RelationPaginationServlet(RestServlet):
         )
 
         now = self.clock.time_msec()
-        events = yield self._event_serializer.serialize_events(events, now)
+        # We set bundle_aggregations to False when retrieving the original
+        # event because we want the content before relations were applied to
+        # it.
+        original_event = yield self._event_serializer.serialize_event(
+            event, now, bundle_aggregations=False
+        )
+        # Similarly, we don't allow relations to be applied to relations, so we
+        # return the original relations without any aggregations on top of them
+        # here.
+        events = yield self._event_serializer.serialize_events(
+            events, now, bundle_aggregations=False
+        )
 
         return_value = result.to_dict()
         return_value["chunk"] = events
+        return_value["original_event"] = original_event
 
         defer.returnValue((200, return_value))