Merge pull request #5119 from matrix-org/rav/admin_api_urls

Move the admin API to `/_synapse/admin/v1`

30 files changed, 180 insertions, 114 deletions

diff --git a/changelog.d/5119.feature b/changelog.d/5119.feature
new file mode 100644
index 0000000000..a3a73f09d3
--- /dev/null
+++ b/changelog.d/5119.feature
@@ -0,0 +1 @@
+Move admin APIs to `/_synapse/admin/v1`. (The old paths are retained for backwards-compatibility, for now).
\ No newline at end of file
diff --git a/docs/admin_api/account_validity.rst b/docs/admin_api/account_validity.rst
index c26353752f..7559de4c57 100644
--- a/docs/admin_api/account_validity.rst
+++ b/docs/admin_api/account_validity.rst
@@ -13,7 +13,7 @@ This API extends the validity of an account by as much time as configured in the
 
 The API is::
 
-    POST /_matrix/client/unstable/admin/account_validity/validity
+    POST /_synapse/admin/v1/account_validity/validity
 
 with the following body:
 
diff --git a/docs/admin_api/delete_group.md b/docs/admin_api/delete_group.md
index d703d108b0..1710488ea8 100644
--- a/docs/admin_api/delete_group.md
+++ b/docs/admin_api/delete_group.md
@@ -8,7 +8,7 @@ being deleted.
 The API is:
 
 ```
-POST /_matrix/client/r0/admin/delete_group/<group_id>
+POST /_synapse/admin/v1/delete_group/<group_id>
 ```
 
 including an `access_token` of a server admin.
diff --git a/docs/admin_api/media_admin_api.md b/docs/admin_api/media_admin_api.md
index abdbc1ea86..5e9f8e5d84 100644
--- a/docs/admin_api/media_admin_api.md
+++ b/docs/admin_api/media_admin_api.md
@@ -4,7 +4,7 @@ This API gets a list of known media in a room.
 
 The API is:
 ```
-GET /_matrix/client/r0/admin/room/<room_id>/media
+GET /_synapse/admin/v1/room/<room_id>/media
 ```
 including an `access_token` of a server admin.
 
diff --git a/docs/admin_api/purge_history_api.rst b/docs/admin_api/purge_history_api.rst
index a5c3dc8149..f7be226fd9 100644
--- a/docs/admin_api/purge_history_api.rst
+++ b/docs/admin_api/purge_history_api.rst
@@ -10,7 +10,7 @@ paginate further back in the room from the point being purged from.
 
 The API is:
 
-``POST /_matrix/client/r0/admin/purge_history/<room_id>[/<event_id>]``
+``POST /_synapse/admin/v1/purge_history/<room_id>[/<event_id>]``
 
 including an ``access_token`` of a server admin.
 
@@ -49,7 +49,7 @@ Purge status query
 
 It is possible to poll for updates on recent purges with a second API;
 
-``GET /_matrix/client/r0/admin/purge_history_status/<purge_id>``
+``GET /_synapse/admin/v1/purge_history_status/<purge_id>``
 
 (again, with a suitable ``access_token``). This API returns a JSON body like
 the following:
diff --git a/docs/admin_api/purge_remote_media.rst b/docs/admin_api/purge_remote_media.rst
index 5deb02a3df..dacd5bc8fb 100644
--- a/docs/admin_api/purge_remote_media.rst
+++ b/docs/admin_api/purge_remote_media.rst
@@ -6,7 +6,7 @@ media.
 
 The API is::
 
-    POST /_matrix/client/r0/admin/purge_media_cache?before_ts=<unix_timestamp_in_ms>&access_token=<access_token>
+    POST /_synapse/admin/v1/purge_media_cache?before_ts=<unix_timestamp_in_ms>&access_token=<access_token>
 
     {}
 
diff --git a/docs/admin_api/register_api.rst b/docs/admin_api/register_api.rst
index 084e74ebf5..3a63109aa0 100644
--- a/docs/admin_api/register_api.rst
+++ b/docs/admin_api/register_api.rst
@@ -12,7 +12,7 @@ is not enabled.
 
 To fetch the nonce, you need to request one from the API::
 
-  > GET /_matrix/client/r0/admin/register
+  > GET /_synapse/admin/v1/register
 
   < {"nonce": "thisisanonce"}
 
@@ -22,7 +22,7 @@ body containing the nonce, username, password, whether they are an admin
 
 As an example::
 
-  > POST /_matrix/client/r0/admin/register
+  > POST /_synapse/admin/v1/register
   > {
      "nonce": "thisisanonce",
      "username": "pepper_roni",
diff --git a/docs/admin_api/user_admin_api.rst b/docs/admin_api/user_admin_api.rst
index d17121a188..8aca4f158d 100644
--- a/docs/admin_api/user_admin_api.rst
+++ b/docs/admin_api/user_admin_api.rst
@@ -5,7 +5,7 @@ This API returns information about a specific user account.
 
 The api is::
 
-    GET /_matrix/client/r0/admin/whois/<user_id>
+    GET /_synapse/admin/v1/whois/<user_id>
 
 including an ``access_token`` of a server admin.
 
@@ -50,7 +50,7 @@ references to it).
 
 The api is::
 
-    POST /_matrix/client/r0/admin/deactivate/<user_id>
+    POST /_synapse/admin/v1/deactivate/<user_id>
 
 with a body of:
 
@@ -73,7 +73,7 @@ Changes the password of another user.
 
 The api is::
 
-    POST /_matrix/client/r0/admin/reset_password/<user_id>
+    POST /_synapse/admin/v1/reset_password/<user_id>
 
 with a body of:
 
diff --git a/docs/admin_api/version_api.rst b/docs/admin_api/version_api.rst
index 30a91b5f43..6d66543b96 100644
--- a/docs/admin_api/version_api.rst
+++ b/docs/admin_api/version_api.rst
@@ -8,7 +8,7 @@ contains Synapse version information).
 
 The api is::
 
-    GET /_matrix/client/r0/admin/server_version
+    GET /_synapse/admin/v1/server_version
 
 including an ``access_token`` of a server admin.
 
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index a7f6bf31ac..61be7502bc 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -136,8 +136,8 @@ pid_file: DATADIR/homeserver.pid
 #
 # Valid resource names are:
 #
-#   client: the client-server API (/_matrix/client). Also implies 'media' and
-#       'static'.
+#   client: the client-server API (/_matrix/client), and the synapse admin
+#       API (/_synapse/admin). Also implies 'media' and 'static'.
 #
 #   consent: user consent forms (/_matrix/consent). See
 #       docs/consent_tracking.md.
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 79be977ea6..1045d28949 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -62,6 +62,7 @@ from synapse.python_dependencies import check_requirements
 from synapse.replication.http import REPLICATION_PREFIX, ReplicationRestResource
 from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
 from synapse.rest import ClientRestResource
+from synapse.rest.admin import AdminRestResource
 from synapse.rest.key.v2 import KeyApiV2Resource
 from synapse.rest.media.v0.content_repository import ContentRepoResource
 from synapse.rest.well_known import WellKnownResource
@@ -180,6 +181,7 @@ class SynapseHomeServer(HomeServer):
                 "/_matrix/client/v2_alpha": client_resource,
                 "/_matrix/client/versions": client_resource,
                 "/.well-known/matrix/client": WellKnownResource(self),
+                "/_synapse/admin": AdminRestResource(self),
             })
 
             if self.get_config().saml2_enabled:
diff --git a/synapse/config/server.py b/synapse/config/server.py
index cdf1e4d286..cc232422b9 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -388,8 +388,8 @@ class ServerConfig(Config):
         #
         # Valid resource names are:
         #
-        #   client: the client-server API (/_matrix/client). Also implies 'media' and
-        #       'static'.
+        #   client: the client-server API (/_matrix/client), and the synapse admin
+        #       API (/_synapse/admin). Also implies 'media' and 'static'.
         #
         #   consent: user consent forms (/_matrix/consent). See
         #       docs/consent_tracking.md.
diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py
index a66885d349..e8e1bcddea 100644
--- a/synapse/rest/__init__.py
+++ b/synapse/rest/__init__.py
@@ -13,11 +13,10 @@
 # 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 synapse.rest.admin
 from synapse.http.server import JsonResource
 from synapse.rest.client import versions
 from synapse.rest.client.v1 import (
-    admin,
     directory,
     events,
     initial_sync,
@@ -58,8 +57,14 @@ from synapse.rest.client.v2_alpha import (
 
 
 class ClientRestResource(JsonResource):
-    """A resource for version 1 of the matrix client API."""
+    """Matrix Client API REST resource.
 
+    This gets mounted at various points under /_matrix/client, including:
+       * /_matrix/client/r0
+       * /_matrix/client/api/v1
+       * /_matrix/client/unstable
+       * etc
+    """
     def __init__(self, hs):
         JsonResource.__init__(self, hs, canonical_json=False)
         self.register_servlets(self, hs)
@@ -82,7 +87,6 @@ class ClientRestResource(JsonResource):
         presence.register_servlets(hs, client_resource)
         directory.register_servlets(hs, client_resource)
         voip.register_servlets(hs, client_resource)
-        admin.register_servlets(hs, client_resource)
         pusher.register_servlets(hs, client_resource)
         push_rule.register_servlets(hs, client_resource)
         logout.register_servlets(hs, client_resource)
@@ -111,3 +115,6 @@ class ClientRestResource(JsonResource):
         room_upgrade_rest_servlet.register_servlets(hs, client_resource)
         capabilities.register_servlets(hs, client_resource)
         account_validity.register_servlets(hs, client_resource)
+
+        # moving to /_synapse/admin
+        synapse.rest.admin.register_servlets(hs, client_resource)
diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/admin/__init__.py
index 0a1e233b23..afac8b1724 100644
--- a/synapse/rest/client/v1/admin.py
+++ b/synapse/rest/admin/__init__.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 # Copyright 2014-2016 OpenMarket Ltd
-# Copyright 2018 New Vector Ltd
+# Copyright 2018-2019 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.
@@ -18,6 +18,7 @@ import hashlib
 import hmac
 import logging
 import platform
+import re
 
 from six import text_type
 from six.moves import http_client
@@ -27,7 +28,9 @@ from twisted.internet import defer
 import synapse
 from synapse.api.constants import Membership, UserTypes
 from synapse.api.errors import AuthError, Codes, NotFoundError, SynapseError
+from synapse.http.server import JsonResource
 from synapse.http.servlet import (
+    RestServlet,
     assert_params_in_dict,
     parse_integer,
     parse_json_object_from_request,
@@ -36,16 +39,37 @@ from synapse.http.servlet import (
 from synapse.types import UserID, create_requester
 from synapse.util.versionstring import get_version_string
 
-from .base import ClientV1RestServlet, client_path_patterns
-
 logger = logging.getLogger(__name__)
 
 
-class UsersRestServlet(ClientV1RestServlet):
-    PATTERNS = client_path_patterns("/admin/users/(?P<user_id>[^/]*)")
+def historical_admin_path_patterns(path_regex):
+    """Returns the list of patterns for an admin endpoint, including historical ones
+
+    This is a backwards-compatibility hack. Previously, the Admin API was exposed at
+    various paths under /_matrix/client. This function returns a list of patterns
+    matching those paths (as well as the new one), so that existing scripts which rely
+    on the endpoints being available there are not broken.
+
+    Note that this should only be used for existing endpoints: new ones should just
+    register for the /_synapse/admin path.
+    """
+    return list(
+        re.compile(prefix + path_regex)
+        for prefix in (
+            "^/_synapse/admin/v1",
+            "^/_matrix/client/api/v1/admin",
+            "^/_matrix/client/unstable/admin",
+            "^/_matrix/client/r0/admin"
+        )
+    )
+
+
+class UsersRestServlet(RestServlet):
+    PATTERNS = historical_admin_path_patterns("/users/(?P<user_id>[^/]*)")
 
     def __init__(self, hs):
-        super(UsersRestServlet, self).__init__(hs)
+        self.hs = hs
+        self.auth = hs.get_auth()
         self.handlers = hs.get_handlers()
 
     @defer.inlineCallbacks
@@ -69,8 +93,11 @@ class UsersRestServlet(ClientV1RestServlet):
         defer.returnValue((200, ret))
 
 
-class VersionServlet(ClientV1RestServlet):
-    PATTERNS = client_path_patterns("/admin/server_version")
+class VersionServlet(RestServlet):
+    PATTERNS = historical_admin_path_patterns("/server_version")
+
+    def __init__(self, hs):
+        self.auth = hs.get_auth()
 
     @defer.inlineCallbacks
     def on_GET(self, request):
@@ -88,18 +115,17 @@ class VersionServlet(ClientV1RestServlet):
         defer.returnValue((200, ret))
 
 
-class UserRegisterServlet(ClientV1RestServlet):
+class UserRegisterServlet(RestServlet):
     """
     Attributes:
          NONCE_TIMEOUT (int): Seconds until a generated nonce won't be accepted
          nonces (dict[str, int]): The nonces that we will accept. A dict of
              nonce to the time it was generated, in int seconds.
     """
-    PATTERNS = client_path_patterns("/admin/register")
+    PATTERNS = historical_admin_path_patterns("/register")
     NONCE_TIMEOUT = 60
 
     def __init__(self, hs):
-        super(UserRegisterServlet, self).__init__(hs)
         self.handlers = hs.get_handlers()
         self.reactor = hs.get_reactor()
         self.nonces = {}
@@ -226,11 +252,12 @@ class UserRegisterServlet(ClientV1RestServlet):
         defer.returnValue((200, result))
 
 
-class WhoisRestServlet(ClientV1RestServlet):
-    PATTERNS = client_path_patterns("/admin/whois/(?P<user_id>[^/]*)")
+class WhoisRestServlet(RestServlet):
+    PATTERNS = historical_admin_path_patterns("/whois/(?P<user_id>[^/]*)")
 
     def __init__(self, hs):
-        super(WhoisRestServlet, self).__init__(hs)
+        self.hs = hs
+        self.auth = hs.get_auth()
         self.handlers = hs.get_handlers()
 
     @defer.inlineCallbacks
@@ -251,12 +278,12 @@ class WhoisRestServlet(ClientV1RestServlet):
         defer.returnValue((200, ret))
 
 
-class PurgeMediaCacheRestServlet(ClientV1RestServlet):
-    PATTERNS = client_path_patterns("/admin/purge_media_cache")
+class PurgeMediaCacheRestServlet(RestServlet):
+    PATTERNS = historical_admin_path_patterns("/purge_media_cache")
 
     def __init__(self, hs):
         self.media_repository = hs.get_media_repository()
-        super(PurgeMediaCacheRestServlet, self).__init__(hs)
+        self.auth = hs.get_auth()
 
     @defer.inlineCallbacks
     def on_POST(self, request):
@@ -274,9 +301,9 @@ class PurgeMediaCacheRestServlet(ClientV1RestServlet):
         defer.returnValue((200, ret))
 
 
-class PurgeHistoryRestServlet(ClientV1RestServlet):
-    PATTERNS = client_path_patterns(
-        "/admin/purge_history/(?P<room_id>[^/]*)(/(?P<event_id>[^/]+))?"
+class PurgeHistoryRestServlet(RestServlet):
+    PATTERNS = historical_admin_path_patterns(
+        "/purge_history/(?P<room_id>[^/]*)(/(?P<event_id>[^/]+))?"
     )
 
     def __init__(self, hs):
@@ -285,9 +312,9 @@ class PurgeHistoryRestServlet(ClientV1RestServlet):
         Args:
             hs (synapse.server.HomeServer)
         """
-        super(PurgeHistoryRestServlet, self).__init__(hs)
         self.pagination_handler = hs.get_pagination_handler()
         self.store = hs.get_datastore()
+        self.auth = hs.get_auth()
 
     @defer.inlineCallbacks
     def on_POST(self, request, room_id, event_id):
@@ -371,9 +398,9 @@ class PurgeHistoryRestServlet(ClientV1RestServlet):
         }))
 
 
-class PurgeHistoryStatusRestServlet(ClientV1RestServlet):
-    PATTERNS = client_path_patterns(
-        "/admin/purge_history_status/(?P<purge_id>[^/]+)"
+class PurgeHistoryStatusRestServlet(RestServlet):
+    PATTERNS = historical_admin_path_patterns(
+        "/purge_history_status/(?P<purge_id>[^/]+)"
     )
 
     def __init__(self, hs):
@@ -382,8 +409,8 @@ class PurgeHistoryStatusRestServlet(ClientV1RestServlet):
         Args:
             hs (synapse.server.HomeServer)
         """
-        super(PurgeHistoryStatusRestServlet, self).__init__(hs)
         self.pagination_handler = hs.get_pagination_handler()
+        self.auth = hs.get_auth()
 
     @defer.inlineCallbacks
     def on_GET(self, request, purge_id):
@@ -400,12 +427,12 @@ class PurgeHistoryStatusRestServlet(ClientV1RestServlet):
         defer.returnValue((200, purge_status.asdict()))
 
 
-class DeactivateAccountRestServlet(ClientV1RestServlet):
-    PATTERNS = client_path_patterns("/admin/deactivate/(?P<target_user_id>[^/]*)")
+class DeactivateAccountRestServlet(RestServlet):
+    PATTERNS = historical_admin_path_patterns("/deactivate/(?P<target_user_id>[^/]*)")
 
     def __init__(self, hs):
-        super(DeactivateAccountRestServlet, self).__init__(hs)
         self._deactivate_account_handler = hs.get_deactivate_account_handler()
+        self.auth = hs.get_auth()
 
     @defer.inlineCallbacks
     def on_POST(self, request, target_user_id):
@@ -438,13 +465,13 @@ class DeactivateAccountRestServlet(ClientV1RestServlet):
         }))
 
 
-class ShutdownRoomRestServlet(ClientV1RestServlet):
+class ShutdownRoomRestServlet(RestServlet):
     """Shuts down a room by removing all local users from the room and blocking
     all future invites and joins to the room. Any local aliases will be repointed
     to a new room created by `new_room_user_id` and kicked users will be auto
     joined to the new room.
     """
-    PATTERNS = client_path_patterns("/admin/shutdown_room/(?P<room_id>[^/]+)")
+    PATTERNS = historical_admin_path_patterns("/shutdown_room/(?P<room_id>[^/]+)")
 
     DEFAULT_MESSAGE = (
         "Sharing illegal content on this server is not permitted and rooms in"
@@ -452,12 +479,13 @@ class ShutdownRoomRestServlet(ClientV1RestServlet):
     )
 
     def __init__(self, hs):
-        super(ShutdownRoomRestServlet, self).__init__(hs)
+        self.hs = hs
         self.store = hs.get_datastore()
         self.state = hs.get_state_handler()
         self._room_creation_handler = hs.get_room_creation_handler()
         self.event_creation_handler = hs.get_event_creation_handler()
         self.room_member_handler = hs.get_room_member_handler()
+        self.auth = hs.get_auth()
 
     @defer.inlineCallbacks
     def on_POST(self, request, room_id):
@@ -564,15 +592,15 @@ class ShutdownRoomRestServlet(ClientV1RestServlet):
         }))
 
 
-class QuarantineMediaInRoom(ClientV1RestServlet):
+class QuarantineMediaInRoom(RestServlet):
     """Quarantines all media in a room so that no one can download it via
     this server.
     """
-    PATTERNS = client_path_patterns("/admin/quarantine_media/(?P<room_id>[^/]+)")
+    PATTERNS = historical_admin_path_patterns("/quarantine_media/(?P<room_id>[^/]+)")
 
     def __init__(self, hs):
-        super(QuarantineMediaInRoom, self).__init__(hs)
         self.store = hs.get_datastore()
+        self.auth = hs.get_auth()
 
     @defer.inlineCallbacks
     def on_POST(self, request, room_id):
@@ -588,13 +616,12 @@ class QuarantineMediaInRoom(ClientV1RestServlet):
         defer.returnValue((200, {"num_quarantined": num_quarantined}))
 
 
-class ListMediaInRoom(ClientV1RestServlet):
+class ListMediaInRoom(RestServlet):
     """Lists all of the media in a given room.
     """
-    PATTERNS = client_path_patterns("/admin/room/(?P<room_id>[^/]+)/media")
+    PATTERNS = historical_admin_path_patterns("/room/(?P<room_id>[^/]+)/media")
 
     def __init__(self, hs):
-        super(ListMediaInRoom, self).__init__(hs)
         self.store = hs.get_datastore()
 
     @defer.inlineCallbacks
@@ -609,11 +636,11 @@ class ListMediaInRoom(ClientV1RestServlet):
         defer.returnValue((200, {"local": local_mxcs, "remote": remote_mxcs}))
 
 
-class ResetPasswordRestServlet(ClientV1RestServlet):
+class ResetPasswordRestServlet(RestServlet):
     """Post request to allow an administrator reset password for a user.
     This needs user to have administrator access in Synapse.
         Example:
-            http://localhost:8008/_matrix/client/api/v1/admin/reset_password/
+            http://localhost:8008/_synapse/admin/v1/reset_password/
             @user:to_reset_password?access_token=admin_access_token
         JsonBodyToSend:
             {
@@ -622,11 +649,10 @@ class ResetPasswordRestServlet(ClientV1RestServlet):
         Returns:
             200 OK with empty object if success otherwise an error.
         """
-    PATTERNS = client_path_patterns("/admin/reset_password/(?P<target_user_id>[^/]*)")
+    PATTERNS = historical_admin_path_patterns("/reset_password/(?P<target_user_id>[^/]*)")
 
     def __init__(self, hs):
         self.store = hs.get_datastore()
-        super(ResetPasswordRestServlet, self).__init__(hs)
         self.hs = hs
         self.auth = hs.get_auth()
         self._set_password_handler = hs.get_set_password_handler()
@@ -653,20 +679,19 @@ class ResetPasswordRestServlet(ClientV1RestServlet):
         defer.returnValue((200, {}))
 
 
-class GetUsersPaginatedRestServlet(ClientV1RestServlet):
+class GetUsersPaginatedRestServlet(RestServlet):
     """Get request to get specific number of users from Synapse.
     This needs user to have administrator access in Synapse.
         Example:
-            http://localhost:8008/_matrix/client/api/v1/admin/users_paginate/
+            http://localhost:8008/_synapse/admin/v1/users_paginate/
             @admin:user?access_token=admin_access_token&start=0&limit=10
         Returns:
             200 OK with json object {list[dict[str, Any]], count} or empty object.
         """
-    PATTERNS = client_path_patterns("/admin/users_paginate/(?P<target_user_id>[^/]*)")
+    PATTERNS = historical_admin_path_patterns("/users_paginate/(?P<target_user_id>[^/]*)")
 
     def __init__(self, hs):
         self.store = hs.get_datastore()
-        super(GetUsersPaginatedRestServlet, self).__init__(hs)
         self.hs = hs
         self.auth = hs.get_auth()
         self.handlers = hs.get_handlers()
@@ -706,7 +731,7 @@ class GetUsersPaginatedRestServlet(ClientV1RestServlet):
         """Post request to get specific number of users from Synapse..
         This needs user to have administrator access in Synapse.
         Example:
-            http://localhost:8008/_matrix/client/api/v1/admin/users_paginate/
+            http://localhost:8008/_synapse/admin/v1/users_paginate/
             @admin:user?access_token=admin_access_token
         JsonBodyToSend:
             {
@@ -736,21 +761,20 @@ class GetUsersPaginatedRestServlet(ClientV1RestServlet):
         defer.returnValue((200, ret))
 
 
-class SearchUsersRestServlet(ClientV1RestServlet):
+class SearchUsersRestServlet(RestServlet):
     """Get request to search user table for specific users according to
     search term.
     This needs user to have administrator access in Synapse.
         Example:
-            http://localhost:8008/_matrix/client/api/v1/admin/search_users/
+            http://localhost:8008/_synapse/admin/v1/search_users/
             @admin:user?access_token=admin_access_token&term=alice
         Returns:
             200 OK with json object {list[dict[str, Any]], count} or empty object.
     """
-    PATTERNS = client_path_patterns("/admin/search_users/(?P<target_user_id>[^/]*)")
+    PATTERNS = historical_admin_path_patterns("/search_users/(?P<target_user_id>[^/]*)")
 
     def __init__(self, hs):
         self.store = hs.get_datastore()
-        super(SearchUsersRestServlet, self).__init__(hs)
         self.hs = hs
         self.auth = hs.get_auth()
         self.handlers = hs.get_handlers()
@@ -784,15 +808,15 @@ class SearchUsersRestServlet(ClientV1RestServlet):
         defer.returnValue((200, ret))
 
 
-class DeleteGroupAdminRestServlet(ClientV1RestServlet):
+class DeleteGroupAdminRestServlet(RestServlet):
     """Allows deleting of local groups
     """
-    PATTERNS = client_path_patterns("/admin/delete_group/(?P<group_id>[^/]*)")
+    PATTERNS = historical_admin_path_patterns("/delete_group/(?P<group_id>[^/]*)")
 
     def __init__(self, hs):
-        super(DeleteGroupAdminRestServlet, self).__init__(hs)
         self.group_server = hs.get_groups_server_handler()
         self.is_mine_id = hs.is_mine_id
+        self.auth = hs.get_auth()
 
     @defer.inlineCallbacks
     def on_POST(self, request, group_id):
@@ -809,16 +833,14 @@ class DeleteGroupAdminRestServlet(ClientV1RestServlet):
         defer.returnValue((200, {}))
 
 
-class AccountValidityRenewServlet(ClientV1RestServlet):
-    PATTERNS = client_path_patterns("/admin/account_validity/validity$")
+class AccountValidityRenewServlet(RestServlet):
+    PATTERNS = historical_admin_path_patterns("/account_validity/validity$")
 
     def __init__(self, hs):
         """
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(AccountValidityRenewServlet, self).__init__(hs)
-
         self.hs = hs
         self.account_activity_handler = hs.get_account_validity_handler()
         self.auth = hs.get_auth()
@@ -847,6 +869,14 @@ class AccountValidityRenewServlet(ClientV1RestServlet):
         defer.returnValue((200, res))
 
 
+class AdminRestResource(JsonResource):
+    """The REST resource which gets mounted at /_synapse/admin"""
+
+    def __init__(self, hs):
+        JsonResource.__init__(self, hs, canonical_json=False)
+        register_servlets(hs, self)
+
+
 def register_servlets(hs, http_server):
     WhoisRestServlet(hs).register(http_server)
     PurgeMediaCacheRestServlet(hs).register(http_server)
diff --git a/tests/handlers/test_user_directory.py b/tests/handlers/test_user_directory.py
index f1d0aa42b6..32ef83e9c0 100644
--- a/tests/handlers/test_user_directory.py
+++ b/tests/handlers/test_user_directory.py
@@ -14,8 +14,9 @@
 # limitations under the License.
 from mock import Mock
 
+import synapse.rest.admin
 from synapse.api.constants import UserTypes
-from synapse.rest.client.v1 import admin, login, room
+from synapse.rest.client.v1 import login, room
 from synapse.rest.client.v2_alpha import user_directory
 from synapse.storage.roommember import ProfileInfo
 
@@ -29,7 +30,7 @@ class UserDirectoryTestCase(unittest.HomeserverTestCase):
 
     servlets = [
         login.register_servlets,
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         room.register_servlets,
     ]
 
@@ -327,7 +328,7 @@ class TestUserDirSearchDisabled(unittest.HomeserverTestCase):
         user_directory.register_servlets,
         room.register_servlets,
         login.register_servlets,
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
     ]
 
     def make_homeserver(self, reactor, clock):
diff --git a/tests/push/test_email.py b/tests/push/test_email.py
index be3fed8de3..e29bd18ad7 100644
--- a/tests/push/test_email.py
+++ b/tests/push/test_email.py
@@ -19,7 +19,8 @@ import pkg_resources
 
 from twisted.internet.defer import Deferred
 
-from synapse.rest.client.v1 import admin, login, room
+import synapse.rest.admin
+from synapse.rest.client.v1 import login, room
 
 from tests.unittest import HomeserverTestCase
 
@@ -33,7 +34,7 @@ class EmailPusherTests(HomeserverTestCase):
 
     skip = "No Jinja installed" if not load_jinja2_templates else None
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         room.register_servlets,
         login.register_servlets,
     ]
diff --git a/tests/push/test_http.py b/tests/push/test_http.py
index 6dc45e8506..3f9f56bb79 100644
--- a/tests/push/test_http.py
+++ b/tests/push/test_http.py
@@ -17,7 +17,8 @@ from mock import Mock
 
 from twisted.internet.defer import Deferred
 
-from synapse.rest.client.v1 import admin, login, room
+import synapse.rest.admin
+from synapse.rest.client.v1 import login, room
 from synapse.util.logcontext import make_deferred_yieldable
 
 from tests.unittest import HomeserverTestCase
@@ -32,7 +33,7 @@ class HTTPPusherTests(HomeserverTestCase):
 
     skip = "No Jinja installed" if not load_jinja2_templates else None
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         room.register_servlets,
         login.register_servlets,
     ]
diff --git a/tests/rest/admin/__init__.py b/tests/rest/admin/__init__.py
new file mode 100644
index 0000000000..1453d04571
--- /dev/null
+++ b/tests/rest/admin/__init__.py
@@ -0,0 +1,14 @@
+# -*- coding: utf-8 -*-
+# Copyright 2019 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.
diff --git a/tests/rest/client/v1/test_admin.py b/tests/rest/admin/test_admin.py
index c00ef21d75..42858b5fea 100644
--- a/tests/rest/client/v1/test_admin.py
+++ b/tests/rest/admin/test_admin.py
@@ -19,8 +19,9 @@ import json
 
 from mock import Mock
 
+import synapse.rest.admin
 from synapse.api.constants import UserTypes
-from synapse.rest.client.v1 import admin, events, login, room
+from synapse.rest.client.v1 import events, login, room
 from synapse.rest.client.v2_alpha import groups
 
 from tests import unittest
@@ -29,7 +30,7 @@ from tests import unittest
 class VersionTestCase(unittest.HomeserverTestCase):
 
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         login.register_servlets,
     ]
 
@@ -62,7 +63,7 @@ class VersionTestCase(unittest.HomeserverTestCase):
 
 class UserRegisterTestCase(unittest.HomeserverTestCase):
 
-    servlets = [admin.register_servlets]
+    servlets = [synapse.rest.admin.register_servlets]
 
     def make_homeserver(self, reactor, clock):
 
@@ -358,7 +359,7 @@ class UserRegisterTestCase(unittest.HomeserverTestCase):
 
 class ShutdownRoomTestCase(unittest.HomeserverTestCase):
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         login.register_servlets,
         events.register_servlets,
         room.register_servlets,
@@ -495,7 +496,7 @@ class ShutdownRoomTestCase(unittest.HomeserverTestCase):
 
 class DeleteGroupTestCase(unittest.HomeserverTestCase):
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         login.register_servlets,
         groups.register_servlets,
     ]
diff --git a/tests/rest/client/test_consent.py b/tests/rest/client/test_consent.py
index 4294bbec2a..36e6c1c67d 100644
--- a/tests/rest/client/test_consent.py
+++ b/tests/rest/client/test_consent.py
@@ -15,8 +15,9 @@
 
 import os
 
+import synapse.rest.admin
 from synapse.api.urls import ConsentURIBuilder
-from synapse.rest.client.v1 import admin, login, room
+from synapse.rest.client.v1 import login, room
 from synapse.rest.consent import consent_resource
 
 from tests import unittest
@@ -31,7 +32,7 @@ except Exception:
 class ConsentResourceTestCase(unittest.HomeserverTestCase):
     skip = "No Jinja installed" if not load_jinja2_templates else None
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         room.register_servlets,
         login.register_servlets,
     ]
diff --git a/tests/rest/client/test_identity.py b/tests/rest/client/test_identity.py
index ca63b2e6ed..d4fe0aee7d 100644
--- a/tests/rest/client/test_identity.py
+++ b/tests/rest/client/test_identity.py
@@ -15,7 +15,8 @@
 
 import json
 
-from synapse.rest.client.v1 import admin, login, room
+import synapse.rest.admin
+from synapse.rest.client.v1 import login, room
 
 from tests import unittest
 
@@ -23,7 +24,7 @@ from tests import unittest
 class IdentityTestCase(unittest.HomeserverTestCase):
 
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         room.register_servlets,
         login.register_servlets,
     ]
diff --git a/tests/rest/client/v1/test_events.py b/tests/rest/client/v1/test_events.py
index 36d8547275..5cb1c1ae9f 100644
--- a/tests/rest/client/v1/test_events.py
+++ b/tests/rest/client/v1/test_events.py
@@ -17,7 +17,8 @@
 
 from mock import Mock, NonCallableMock
 
-from synapse.rest.client.v1 import admin, events, login, room
+import synapse.rest.admin
+from synapse.rest.client.v1 import events, login, room
 
 from tests import unittest
 
@@ -28,7 +29,7 @@ class EventStreamPermissionsTestCase(unittest.HomeserverTestCase):
     servlets = [
         events.register_servlets,
         room.register_servlets,
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         login.register_servlets,
     ]
 
diff --git a/tests/rest/client/v1/test_login.py b/tests/rest/client/v1/test_login.py
index 86312f1096..8d9ef877f6 100644
--- a/tests/rest/client/v1/test_login.py
+++ b/tests/rest/client/v1/test_login.py
@@ -1,6 +1,7 @@
 import json
 
-from synapse.rest.client.v1 import admin, login
+import synapse.rest.admin
+from synapse.rest.client.v1 import login
 
 from tests import unittest
 
@@ -10,7 +11,7 @@ LOGIN_URL = b"/_matrix/client/r0/login"
 class LoginRestServletTestCase(unittest.HomeserverTestCase):
 
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         login.register_servlets,
     ]
 
diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py
index 015c144248..1a34924f3e 100644
--- a/tests/rest/client/v1/test_rooms.py
+++ b/tests/rest/client/v1/test_rooms.py
@@ -22,8 +22,9 @@ from six.moves.urllib import parse as urlparse
 
 from twisted.internet import defer
 
+import synapse.rest.admin
 from synapse.api.constants import Membership
-from synapse.rest.client.v1 import admin, login, room
+from synapse.rest.client.v1 import login, room
 
 from tests import unittest
 
@@ -803,7 +804,7 @@ class RoomMessageListTestCase(RoomBase):
 
 class RoomSearchTestCase(unittest.HomeserverTestCase):
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         room.register_servlets,
         login.register_servlets,
     ]
diff --git a/tests/rest/client/v2_alpha/test_auth.py b/tests/rest/client/v2_alpha/test_auth.py
index 7fa120a10f..67021185d0 100644
--- a/tests/rest/client/v2_alpha/test_auth.py
+++ b/tests/rest/client/v2_alpha/test_auth.py
@@ -16,8 +16,8 @@
 
 from twisted.internet.defer import succeed
 
+import synapse.rest.admin
 from synapse.api.constants import LoginType
-from synapse.rest.client.v1 import admin
 from synapse.rest.client.v2_alpha import auth, register
 
 from tests import unittest
@@ -27,7 +27,7 @@ class FallbackAuthTests(unittest.HomeserverTestCase):
 
     servlets = [
         auth.register_servlets,
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         register.register_servlets,
     ]
     hijack_auth = False
diff --git a/tests/rest/client/v2_alpha/test_capabilities.py b/tests/rest/client/v2_alpha/test_capabilities.py
index bbfc77e829..8134163e20 100644
--- a/tests/rest/client/v2_alpha/test_capabilities.py
+++ b/tests/rest/client/v2_alpha/test_capabilities.py
@@ -12,9 +12,9 @@
 # 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 synapse.rest.admin
 from synapse.api.room_versions import DEFAULT_ROOM_VERSION, KNOWN_ROOM_VERSIONS
-from synapse.rest.client.v1 import admin, login
+from synapse.rest.client.v1 import login
 from synapse.rest.client.v2_alpha import capabilities
 
 from tests import unittest
@@ -23,7 +23,7 @@ from tests import unittest
 class CapabilitiesTestCase(unittest.HomeserverTestCase):
 
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         capabilities.register_servlets,
         login.register_servlets,
     ]
diff --git a/tests/rest/client/v2_alpha/test_register.py b/tests/rest/client/v2_alpha/test_register.py
index 3d44667489..4d698af03a 100644
--- a/tests/rest/client/v2_alpha/test_register.py
+++ b/tests/rest/client/v2_alpha/test_register.py
@@ -4,10 +4,11 @@ import os
 
 import pkg_resources
 
+import synapse.rest.admin
 from synapse.api.constants import LoginType
 from synapse.api.errors import Codes
 from synapse.appservice import ApplicationService
-from synapse.rest.client.v1 import admin, login
+from synapse.rest.client.v1 import login
 from synapse.rest.client.v2_alpha import account_validity, register, sync
 
 from tests import unittest
@@ -198,7 +199,7 @@ class AccountValidityTestCase(unittest.HomeserverTestCase):
 
     servlets = [
         register.register_servlets,
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         login.register_servlets,
         sync.register_servlets,
         account_validity.register_servlets,
@@ -307,7 +308,7 @@ class AccountValidityRenewalByEmailTestCase(unittest.HomeserverTestCase):
     skip = "No Jinja installed" if not load_jinja2_templates else None
     servlets = [
         register.register_servlets,
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         login.register_servlets,
         sync.register_servlets,
         account_validity.register_servlets,
diff --git a/tests/rest/client/v2_alpha/test_sync.py b/tests/rest/client/v2_alpha/test_sync.py
index 99b716f00a..65fac1d5ce 100644
--- a/tests/rest/client/v2_alpha/test_sync.py
+++ b/tests/rest/client/v2_alpha/test_sync.py
@@ -15,7 +15,8 @@
 
 from mock import Mock
 
-from synapse.rest.client.v1 import admin, login, room
+import synapse.rest.admin
+from synapse.rest.client.v1 import login, room
 from synapse.rest.client.v2_alpha import sync
 
 from tests import unittest
@@ -72,7 +73,7 @@ class FilterTestCase(unittest.HomeserverTestCase):
 class SyncTypingTests(unittest.HomeserverTestCase):
 
     servlets = [
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         room.register_servlets,
         login.register_servlets,
         sync.register_servlets,
diff --git a/tests/server_notices/test_consent.py b/tests/server_notices/test_consent.py
index 95badc985e..e8b8ac5725 100644
--- a/tests/server_notices/test_consent.py
+++ b/tests/server_notices/test_consent.py
@@ -12,8 +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 synapse.rest.client.v1 import admin, login, room
+import synapse.rest.admin
+from synapse.rest.client.v1 import login, room
 from synapse.rest.client.v2_alpha import sync
 
 from tests import unittest
@@ -23,7 +23,7 @@ class ConsentNoticesTests(unittest.HomeserverTestCase):
 
     servlets = [
         sync.register_servlets,
-        admin.register_servlets,
+        synapse.rest.admin.register_servlets,
         login.register_servlets,
         room.register_servlets,
     ]
diff --git a/tests/storage/test_client_ips.py b/tests/storage/test_client_ips.py
index 858efe4992..b0f6fd34d8 100644
--- a/tests/storage/test_client_ips.py
+++ b/tests/storage/test_client_ips.py
@@ -18,8 +18,9 @@ from mock import Mock
 
 from twisted.internet import defer
 
+import synapse.rest.admin
 from synapse.http.site import XForwardedForRequest
-from synapse.rest.client.v1 import admin, login
+from synapse.rest.client.v1 import login
 
 from tests import unittest
 
@@ -205,7 +206,7 @@ class ClientIpStoreTestCase(unittest.HomeserverTestCase):
 
 class ClientIpAuthTestCase(unittest.HomeserverTestCase):
 
-    servlets = [admin.register_servlets, login.register_servlets]
+    servlets = [synapse.rest.admin.register_servlets, login.register_servlets]
 
     def make_homeserver(self, reactor, clock):
         hs = self.setup_test_homeserver()