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authorAndrew Morgan <1342360+anoadragon453@users.noreply.github.com>2022-08-19 17:17:10 +0100
committerGitHub <noreply@github.com>2022-08-19 16:17:10 +0000
commitf9f03426de338ae1879e174f63adf698bbfc3a4b (patch)
tree06baecf934226ff51b1f2fe91634a5fe8b762ffa
parentRegister homeserver modules when creating test homeserver (#13558) (diff)
downloadsynapse-f9f03426de338ae1879e174f63adf698bbfc3a4b.tar.xz
Implement MSC3852: Expose `last_seen_user_agent` to users for their own devices; also expose to Admin API (#13549)
-rw-r--r--changelog.d/13549.feature1
-rw-r--r--changelog.d/13549.misc1
-rw-r--r--docs/admin_api/user_admin_api.md7
-rw-r--r--synapse/config/experimental.py3
-rw-r--r--synapse/handlers/device.py9
-rw-r--r--synapse/rest/client/devices.py27
-rw-r--r--tests/rest/admin/test_user.py92
-rw-r--r--tests/unittest.py15
8 files changed, 153 insertions, 2 deletions
diff --git a/changelog.d/13549.feature b/changelog.d/13549.feature
new file mode 100644
index 0000000000..b6a726789c
--- /dev/null
+++ b/changelog.d/13549.feature
@@ -0,0 +1 @@
+Add an experimental implementation for [MSC3852](https://github.com/matrix-org/matrix-spec-proposals/pull/3852).
\ No newline at end of file
diff --git a/changelog.d/13549.misc b/changelog.d/13549.misc
new file mode 100644
index 0000000000..5b4303e87e
--- /dev/null
+++ b/changelog.d/13549.misc
@@ -0,0 +1 @@
+Allow specifying additional request fields when using the `HomeServerTestCase.login` helper method.
\ No newline at end of file
diff --git a/docs/admin_api/user_admin_api.md b/docs/admin_api/user_admin_api.md
index 0871cfebf5..c1ca0c8a64 100644
--- a/docs/admin_api/user_admin_api.md
+++ b/docs/admin_api/user_admin_api.md
@@ -753,6 +753,7 @@ A response body like the following is returned:
       "device_id": "QBUAZIFURK",
       "display_name": "android",
       "last_seen_ip": "1.2.3.4",
+      "last_seen_user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0",
       "last_seen_ts": 1474491775024,
       "user_id": "<user_id>"
     },
@@ -760,6 +761,7 @@ A response body like the following is returned:
       "device_id": "AUIECTSRND",
       "display_name": "ios",
       "last_seen_ip": "1.2.3.5",
+      "last_seen_user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0",
       "last_seen_ts": 1474491775025,
       "user_id": "<user_id>"
     }
@@ -786,6 +788,8 @@ The following fields are returned in the JSON response body:
     Absent if no name has been set.
   - `last_seen_ip` - The IP address where this device was last seen.
     (May be a few minutes out of date, for efficiency reasons).
+  - `last_seen_user_agent` - The user agent of the device when it was last seen.
+    (May be a few minutes out of date, for efficiency reasons).
   - `last_seen_ts` - The timestamp (in milliseconds since the unix epoch) when this
     devices was last seen. (May be a few minutes out of date, for efficiency reasons).
   - `user_id` - Owner of  device.
@@ -837,6 +841,7 @@ A response body like the following is returned:
   "device_id": "<device_id>",
   "display_name": "android",
   "last_seen_ip": "1.2.3.4",
+  "last_seen_user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0",
   "last_seen_ts": 1474491775024,
   "user_id": "<user_id>"
 }
@@ -858,6 +863,8 @@ The following fields are returned in the JSON response body:
   Absent if no name has been set.
 - `last_seen_ip` - The IP address where this device was last seen.
   (May be a few minutes out of date, for efficiency reasons).
+  - `last_seen_user_agent` - The user agent of the device when it was last seen.
+  (May be a few minutes out of date, for efficiency reasons).
 - `last_seen_ts` - The timestamp (in milliseconds since the unix epoch) when this
   devices was last seen. (May be a few minutes out of date, for efficiency reasons).
 - `user_id` - Owner of  device.
diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py
index 7d17c958bb..c1ff417539 100644
--- a/synapse/config/experimental.py
+++ b/synapse/config/experimental.py
@@ -90,3 +90,6 @@ class ExperimentalConfig(Config):
 
         # MSC3848: Introduce errcodes for specific event sending failures
         self.msc3848_enabled: bool = experimental.get("msc3848_enabled", False)
+
+        # MSC3852: Expose last seen user agent field on /_matrix/client/v3/devices.
+        self.msc3852_enabled: bool = experimental.get("msc3852_enabled", False)
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py
index 1a8379854c..f5c586f657 100644
--- a/synapse/handlers/device.py
+++ b/synapse/handlers/device.py
@@ -74,6 +74,7 @@ class DeviceWorkerHandler:
         self._state_storage = hs.get_storage_controllers().state
         self._auth_handler = hs.get_auth_handler()
         self.server_name = hs.hostname
+        self._msc3852_enabled = hs.config.experimental.msc3852_enabled
 
     @trace
     async def get_devices_by_user(self, user_id: str) -> List[JsonDict]:
@@ -747,7 +748,13 @@ def _update_device_from_client_ips(
     device: JsonDict, client_ips: Mapping[Tuple[str, str], Mapping[str, Any]]
 ) -> None:
     ip = client_ips.get((device["user_id"], device["device_id"]), {})
-    device.update({"last_seen_ts": ip.get("last_seen"), "last_seen_ip": ip.get("ip")})
+    device.update(
+        {
+            "last_seen_user_agent": ip.get("user_agent"),
+            "last_seen_ts": ip.get("last_seen"),
+            "last_seen_ip": ip.get("ip"),
+        }
+    )
 
 
 class DeviceListUpdater:
diff --git a/synapse/rest/client/devices.py b/synapse/rest/client/devices.py
index 6fab102437..ed6ce78d47 100644
--- a/synapse/rest/client/devices.py
+++ b/synapse/rest/client/devices.py
@@ -42,12 +42,26 @@ class DevicesRestServlet(RestServlet):
         self.hs = hs
         self.auth = hs.get_auth()
         self.device_handler = hs.get_device_handler()
+        self._msc3852_enabled = hs.config.experimental.msc3852_enabled
 
     async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
         requester = await self.auth.get_user_by_req(request, allow_guest=True)
         devices = await self.device_handler.get_devices_by_user(
             requester.user.to_string()
         )
+
+        # If MSC3852 is disabled, then the "last_seen_user_agent" field will be
+        # removed from each device. If it is enabled, then the field name will
+        # be replaced by the unstable identifier.
+        #
+        # When MSC3852 is accepted, this block of code can just be removed to
+        # expose "last_seen_user_agent" to clients.
+        for device in devices:
+            last_seen_user_agent = device["last_seen_user_agent"]
+            del device["last_seen_user_agent"]
+            if self._msc3852_enabled:
+                device["org.matrix.msc3852.last_seen_user_agent"] = last_seen_user_agent
+
         return 200, {"devices": devices}
 
 
@@ -108,6 +122,7 @@ class DeviceRestServlet(RestServlet):
         self.auth = hs.get_auth()
         self.device_handler = hs.get_device_handler()
         self.auth_handler = hs.get_auth_handler()
+        self._msc3852_enabled = hs.config.experimental.msc3852_enabled
 
     async def on_GET(
         self, request: SynapseRequest, device_id: str
@@ -118,6 +133,18 @@ class DeviceRestServlet(RestServlet):
         )
         if device is None:
             raise NotFoundError("No device found")
+
+        # If MSC3852 is disabled, then the "last_seen_user_agent" field will be
+        # removed from each device. If it is enabled, then the field name will
+        # be replaced by the unstable identifier.
+        #
+        # When MSC3852 is accepted, this block of code can just be removed to
+        # expose "last_seen_user_agent" to clients.
+        last_seen_user_agent = device["last_seen_user_agent"]
+        del device["last_seen_user_agent"]
+        if self._msc3852_enabled:
+            device["org.matrix.msc3852.last_seen_user_agent"] = last_seen_user_agent
+
         return 200, device
 
     @interactive_auth_handler
diff --git a/tests/rest/admin/test_user.py b/tests/rest/admin/test_user.py
index 411e4ec005..1afd082707 100644
--- a/tests/rest/admin/test_user.py
+++ b/tests/rest/admin/test_user.py
@@ -1,4 +1,4 @@
-# Copyright 2018-2021 The Matrix.org Foundation C.I.C.
+# Copyright 2018-2022 The Matrix.org Foundation C.I.C.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -904,6 +904,96 @@ class UsersListTestCase(unittest.HomeserverTestCase):
             )
 
 
+class UserDevicesTestCase(unittest.HomeserverTestCase):
+    """
+    Tests user device management-related Admin APIs.
+    """
+
+    servlets = [
+        synapse.rest.admin.register_servlets,
+        login.register_servlets,
+        sync.register_servlets,
+    ]
+
+    def prepare(
+        self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
+    ) -> None:
+        # Set up an Admin user to query the Admin API with.
+        self.admin_user_id = self.register_user("admin", "pass", admin=True)
+        self.admin_user_token = self.login("admin", "pass")
+
+        # Set up a test user to query the devices of.
+        self.other_user_device_id = "TESTDEVICEID"
+        self.other_user_device_display_name = "My Test Device"
+        self.other_user_client_ip = "1.2.3.4"
+        self.other_user_user_agent = "EquestriaTechnology/123.0"
+
+        self.other_user_id = self.register_user("user", "pass", displayname="User1")
+        self.other_user_token = self.login(
+            "user",
+            "pass",
+            device_id=self.other_user_device_id,
+            additional_request_fields={
+                "initial_device_display_name": self.other_user_device_display_name,
+            },
+        )
+
+        # Have the "other user" make a request so that the "last_seen_*" fields are
+        # populated in the tests below.
+        channel = self.make_request(
+            "GET",
+            "/_matrix/client/v3/sync",
+            access_token=self.other_user_token,
+            client_ip=self.other_user_client_ip,
+            custom_headers=[
+                ("User-Agent", self.other_user_user_agent),
+            ],
+        )
+        self.assertEqual(200, channel.code, msg=channel.json_body)
+
+    def test_list_user_devices(self) -> None:
+        """
+        Tests that a user's devices and attributes are listed correctly via the Admin API.
+        """
+        # Request all devices of "other user"
+        channel = self.make_request(
+            "GET",
+            f"/_synapse/admin/v2/users/{self.other_user_id}/devices",
+            access_token=self.admin_user_token,
+        )
+        self.assertEqual(200, channel.code, msg=channel.json_body)
+
+        # Double-check we got the single device expected
+        user_devices = channel.json_body["devices"]
+        self.assertEqual(len(user_devices), 1)
+        self.assertEqual(channel.json_body["total"], 1)
+
+        # Check that all the attributes of the device reported are as expected.
+        self._validate_attributes_of_device_response(user_devices[0])
+
+        # Request just a single device for "other user" by its ID
+        channel = self.make_request(
+            "GET",
+            f"/_synapse/admin/v2/users/{self.other_user_id}/devices/"
+            f"{self.other_user_device_id}",
+            access_token=self.admin_user_token,
+        )
+        self.assertEqual(200, channel.code, msg=channel.json_body)
+
+        # Check that all the attributes of the device reported are as expected.
+        self._validate_attributes_of_device_response(channel.json_body)
+
+    def _validate_attributes_of_device_response(self, response: JsonDict) -> None:
+        # Check that all device expected attributes are present
+        self.assertEqual(response["user_id"], self.other_user_id)
+        self.assertEqual(response["device_id"], self.other_user_device_id)
+        self.assertEqual(response["display_name"], self.other_user_device_display_name)
+        self.assertEqual(response["last_seen_ip"], self.other_user_client_ip)
+        self.assertEqual(response["last_seen_user_agent"], self.other_user_user_agent)
+        self.assertIsInstance(response["last_seen_ts"], int)
+        self.assertGreater(response["last_seen_ts"], 0)
+
+
 class DeactivateAccountTestCase(unittest.HomeserverTestCase):
 
     servlets = [
diff --git a/tests/unittest.py b/tests/unittest.py
index bec4a3d023..975b0a23a7 100644
--- a/tests/unittest.py
+++ b/tests/unittest.py
@@ -677,14 +677,29 @@ class HomeserverTestCase(TestCase):
         username: str,
         password: str,
         device_id: Optional[str] = None,
+        additional_request_fields: Optional[Dict[str, str]] = None,
         custom_headers: Optional[Iterable[CustomHeaderType]] = None,
     ) -> str:
         """
         Log in a user, and get an access token. Requires the Login API be registered.
+
+        Args:
+            username: The localpart to assign to the new user.
+            password: The password to assign to the new user.
+            device_id: An optional device ID to assign to the new device created during
+                login.
+            additional_request_fields: A dictionary containing any additional /login
+                request fields and their values.
+            custom_headers: Custom HTTP headers and values to add to the /login request.
+
+        Returns:
+            The newly registered user's Matrix ID.
         """
         body = {"type": "m.login.password", "user": username, "password": password}
         if device_id:
             body["device_id"] = device_id
+        if additional_request_fields:
+            body.update(additional_request_fields)
 
         channel = self.make_request(
             "POST",