Mount /_synapse/admin/v1/users/{userId}/media admin API on media workers only (#10628)

Co-authored-by: Patrick Cloke <patrickc@matrix.org>

1 files changed, 163 insertions, 2 deletions

diff --git a/synapse/rest/admin/media.py b/synapse/rest/admin/media.py
index 5f0555039d..8ce443049e 100644
--- a/synapse/rest/admin/media.py
+++ b/synapse/rest/admin/media.py
@@ -18,14 +18,15 @@ from typing import TYPE_CHECKING, Tuple
 
 from synapse.api.errors import AuthError, Codes, NotFoundError, SynapseError
 from synapse.http.server import HttpServer
-from synapse.http.servlet import RestServlet, parse_boolean, parse_integer
+from synapse.http.servlet import RestServlet, parse_boolean, parse_integer, parse_string
 from synapse.http.site import SynapseRequest
 from synapse.rest.admin._base import (
     admin_patterns,
     assert_requester_is_admin,
     assert_user_is_admin,
 )
-from synapse.types import JsonDict
+from synapse.storage.databases.main.media_repository import MediaSortOrder
+from synapse.types import JsonDict, UserID
 
 if TYPE_CHECKING:
     from synapse.server import HomeServer
@@ -314,6 +315,165 @@ class DeleteMediaByDateSize(RestServlet):
         return 200, {"deleted_media": deleted_media, "total": total}
 
 
+class UserMediaRestServlet(RestServlet):
+    """
+    Gets information about all uploaded local media for a specific `user_id`.
+    With DELETE request you can delete all this media.
+
+    Example:
+        http://localhost:8008/_synapse/admin/v1/users/@user:server/media
+
+    Args:
+        The parameters `from` and `limit` are required for pagination.
+        By default, a `limit` of 100 is used.
+    Returns:
+        A list of media and an integer representing the total number of
+        media that exist given for this user
+    """
+
+    PATTERNS = admin_patterns("/users/(?P<user_id>[^/]+)/media$")
+
+    def __init__(self, hs: "HomeServer"):
+        self.is_mine = hs.is_mine
+        self.auth = hs.get_auth()
+        self.store = hs.get_datastore()
+        self.media_repository = hs.get_media_repository()
+
+    async def on_GET(
+        self, request: SynapseRequest, user_id: str
+    ) -> Tuple[int, JsonDict]:
+        # This will always be set by the time Twisted calls us.
+        assert request.args is not None
+
+        await assert_requester_is_admin(self.auth, request)
+
+        if not self.is_mine(UserID.from_string(user_id)):
+            raise SynapseError(400, "Can only look up local users")
+
+        user = await self.store.get_user_by_id(user_id)
+        if user is None:
+            raise NotFoundError("Unknown user")
+
+        start = parse_integer(request, "from", default=0)
+        limit = parse_integer(request, "limit", default=100)
+
+        if start < 0:
+            raise SynapseError(
+                400,
+                "Query parameter from must be a string representing a positive integer.",
+                errcode=Codes.INVALID_PARAM,
+            )
+
+        if limit < 0:
+            raise SynapseError(
+                400,
+                "Query parameter limit must be a string representing a positive integer.",
+                errcode=Codes.INVALID_PARAM,
+            )
+
+        # If neither `order_by` nor `dir` is set, set the default order
+        # to newest media is on top for backward compatibility.
+        if b"order_by" not in request.args and b"dir" not in request.args:
+            order_by = MediaSortOrder.CREATED_TS.value
+            direction = "b"
+        else:
+            order_by = parse_string(
+                request,
+                "order_by",
+                default=MediaSortOrder.CREATED_TS.value,
+                allowed_values=(
+                    MediaSortOrder.MEDIA_ID.value,
+                    MediaSortOrder.UPLOAD_NAME.value,
+                    MediaSortOrder.CREATED_TS.value,
+                    MediaSortOrder.LAST_ACCESS_TS.value,
+                    MediaSortOrder.MEDIA_LENGTH.value,
+                    MediaSortOrder.MEDIA_TYPE.value,
+                    MediaSortOrder.QUARANTINED_BY.value,
+                    MediaSortOrder.SAFE_FROM_QUARANTINE.value,
+                ),
+            )
+            direction = parse_string(
+                request, "dir", default="f", allowed_values=("f", "b")
+            )
+
+        media, total = await self.store.get_local_media_by_user_paginate(
+            start, limit, user_id, order_by, direction
+        )
+
+        ret = {"media": media, "total": total}
+        if (start + limit) < total:
+            ret["next_token"] = start + len(media)
+
+        return 200, ret
+
+    async def on_DELETE(
+        self, request: SynapseRequest, user_id: str
+    ) -> Tuple[int, JsonDict]:
+        # This will always be set by the time Twisted calls us.
+        assert request.args is not None
+
+        await assert_requester_is_admin(self.auth, request)
+
+        if not self.is_mine(UserID.from_string(user_id)):
+            raise SynapseError(400, "Can only look up local users")
+
+        user = await self.store.get_user_by_id(user_id)
+        if user is None:
+            raise NotFoundError("Unknown user")
+
+        start = parse_integer(request, "from", default=0)
+        limit = parse_integer(request, "limit", default=100)
+
+        if start < 0:
+            raise SynapseError(
+                400,
+                "Query parameter from must be a string representing a positive integer.",
+                errcode=Codes.INVALID_PARAM,
+            )
+
+        if limit < 0:
+            raise SynapseError(
+                400,
+                "Query parameter limit must be a string representing a positive integer.",
+                errcode=Codes.INVALID_PARAM,
+            )
+
+        # If neither `order_by` nor `dir` is set, set the default order
+        # to newest media is on top for backward compatibility.
+        if b"order_by" not in request.args and b"dir" not in request.args:
+            order_by = MediaSortOrder.CREATED_TS.value
+            direction = "b"
+        else:
+            order_by = parse_string(
+                request,
+                "order_by",
+                default=MediaSortOrder.CREATED_TS.value,
+                allowed_values=(
+                    MediaSortOrder.MEDIA_ID.value,
+                    MediaSortOrder.UPLOAD_NAME.value,
+                    MediaSortOrder.CREATED_TS.value,
+                    MediaSortOrder.LAST_ACCESS_TS.value,
+                    MediaSortOrder.MEDIA_LENGTH.value,
+                    MediaSortOrder.MEDIA_TYPE.value,
+                    MediaSortOrder.QUARANTINED_BY.value,
+                    MediaSortOrder.SAFE_FROM_QUARANTINE.value,
+                ),
+            )
+            direction = parse_string(
+                request, "dir", default="f", allowed_values=("f", "b")
+            )
+
+        media, _ = await self.store.get_local_media_by_user_paginate(
+            start, limit, user_id, order_by, direction
+        )
+
+        deleted_media, total = await self.media_repository.delete_local_media_ids(
+            ([row["media_id"] for row in media])
+        )
+
+        return 200, {"deleted_media": deleted_media, "total": total}
+
+
 def register_servlets_for_media_repo(hs: "HomeServer", http_server: HttpServer) -> None:
     """
     Media repo specific APIs.
@@ -328,3 +488,4 @@ def register_servlets_for_media_repo(hs: "HomeServer", http_server: HttpServer)
     ListMediaInRoom(hs).register(http_server)
     DeleteMediaByID(hs).register(http_server)
     DeleteMediaByDateSize(hs).register(http_server)
+    UserMediaRestServlet(hs).register(http_server)