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Allow local media to be marked as safe from being quarantined. (#7718)

This commit is contained in:
Patrick Cloke 2020-06-22 08:04:14 -04:00 committed by GitHub
parent e060bf4462
commit 95e41f368b
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7 changed files with 122 additions and 110 deletions
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1
changelog.d/7718.feature Normal file
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@ -0,0 +1 @@
Media can now be marked as safe from quarantined.

1
scripts/synapse_port_db
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@ -89,6 +89,7 @@ BOOLEAN_COLUMNS = {
"account_validity": ["email_sent"],
"redactions": ["have_censored"],
"room_stats_state": ["is_federatable"],
"local_media_repository": ["safe_from_quarantine"],
}

9
synapse/storage/data_stores/main/media_repository.py
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@ -81,6 +81,15 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore):
desc="store_local_media",
)
def mark_local_media_as_safe(self, media_id: str):
"""Mark a local media as safe from quarantining."""
return self.db.simple_update_one(
table="local_media_repository",
keyvalues={"media_id": media_id},
updatevalues={"safe_from_quarantine": True},
desc="mark_local_media_as_safe",
)
def get_url_cache(self, url, ts):
"""Get the media_id and ts for a cached URL as of the given timestamp
Returns:

42
synapse/storage/data_stores/main/room.py
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@ -626,36 +626,10 @@ class RoomWorkerStore(SQLBaseStore):
def _quarantine_media_in_room_txn(txn):
local_mxcs, remote_mxcs = self._get_media_mxcs_in_room_txn(txn, room_id)
total_media_quarantined = 0
# Now update all the tables to set the quarantined_by flag
txn.executemany(
"""
UPDATE local_media_repository
SET quarantined_by = ?
WHERE media_id = ?
""",
((quarantined_by, media_id) for media_id in local_mxcs),
return self._quarantine_media_txn(
txn, local_mxcs, remote_mxcs, quarantined_by
)
txn.executemany(
"""
UPDATE remote_media_cache
SET quarantined_by = ?
WHERE media_origin = ? AND media_id = ?
""",
(
(quarantined_by, origin, media_id)
for origin, media_id in remote_mxcs
),
)
total_media_quarantined += len(local_mxcs)
total_media_quarantined += len(remote_mxcs)
return total_media_quarantined
return self.db.runInteraction(
"quarantine_media_in_room", _quarantine_media_in_room_txn
)
@ -805,17 +779,17 @@ class RoomWorkerStore(SQLBaseStore):
Returns:
The total number of media items quarantined
"""
total_media_quarantined = 0
# Update all the tables to set the quarantined_by flag
txn.executemany(
"""
UPDATE local_media_repository
SET quarantined_by = ?
WHERE media_id = ?
WHERE media_id = ? AND safe_from_quarantine = ?
""",
((quarantined_by, media_id) for media_id in local_mxcs),
((quarantined_by, media_id, False) for media_id in local_mxcs),
)
# Note that a rowcount of -1 can be used to indicate no rows were affected.
total_media_quarantined = txn.rowcount if txn.rowcount > 0 else 0
txn.executemany(
"""
@ -825,9 +799,7 @@ class RoomWorkerStore(SQLBaseStore):
""",
((quarantined_by, origin, media_id) for origin, media_id in remote_mxcs),
)
total_media_quarantined += len(local_mxcs)
total_media_quarantined += len(remote_mxcs)
total_media_quarantined += txn.rowcount if txn.rowcount > 0 else 0
return total_media_quarantined

18
synapse/storage/data_stores/main/schema/delta/58/08_media_safe_from_quarantine.sql.postgres Normal file
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@ -0,0 +1,18 @@
/* Copyright 2020 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.
* 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.
*/
-- The local_media_repository should have files which do not get quarantined,
-- e.g. files from sticker packs.
ALTER TABLE local_media_repository ADD COLUMN safe_from_quarantine BOOLEAN NOT NULL DEFAULT FALSE;

18
synapse/storage/data_stores/main/schema/delta/58/08_media_safe_from_quarantine.sql.sqlite Normal file
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@ -0,0 +1,18 @@
/* Copyright 2020 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.
* 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.
*/
-- The local_media_repository should have files which do not get quarantined,
-- e.g. files from sticker packs.
ALTER TABLE local_media_repository ADD COLUMN safe_from_quarantine BOOLEAN NOT NULL DEFAULT 0;

143
tests/rest/admin/test_admin.py
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@ -220,6 +220,24 @@ class QuarantineMediaTestCase(unittest.HomeserverTestCase):
return hs
def _ensure_quarantined(self, admin_user_tok, server_and_media_id):
"""Ensure a piece of media is quarantined when trying to access it."""
request, channel = self.make_request(
"GET", server_and_media_id, shorthand=False, access_token=admin_user_tok,
)
request.render(self.download_resource)
self.pump(1.0)
# Should be quarantined
self.assertEqual(
404,
int(channel.code),
msg=(
"Expected to receive a 404 on accessing quarantined media: %s"
% server_and_media_id
),
)
def test_quarantine_media_requires_admin(self):
self.register_user("nonadmin", "pass", admin=False)
non_admin_user_tok = self.login("nonadmin", "pass")
@ -292,24 +310,7 @@ class QuarantineMediaTestCase(unittest.HomeserverTestCase):
self.assertEqual(200, int(channel.code), msg=channel.result["body"])
# Attempt to access the media
request, channel = self.make_request(
"GET",
server_name_and_media_id,
shorthand=False,
access_token=admin_user_tok,
)
request.render(self.download_resource)
self.pump(1.0)
# Should be quarantined
self.assertEqual(
404,
int(channel.code),
msg=(
"Expected to receive a 404 on accessing quarantined media: %s"
% server_name_and_media_id
),
)
self._ensure_quarantined(admin_user_tok, server_name_and_media_id)
def test_quarantine_all_media_in_room(self, override_url_template=None):
self.register_user("room_admin", "pass", admin=True)
@ -371,45 +372,10 @@ class QuarantineMediaTestCase(unittest.HomeserverTestCase):
server_and_media_id_2 = mxc_2[6:]
# Test that we cannot download any of the media anymore
request, channel = self.make_request(
"GET",
server_and_media_id_1,
shorthand=False,
access_token=non_admin_user_tok,
)
request.render(self.download_resource)
self.pump(1.0)
self._ensure_quarantined(admin_user_tok, server_and_media_id_1)
self._ensure_quarantined(admin_user_tok, server_and_media_id_2)
# Should be quarantined
self.assertEqual(
404,
int(channel.code),
msg=(
"Expected to receive a 404 on accessing quarantined media: %s"
% server_and_media_id_1
),
)
request, channel = self.make_request(
"GET",
server_and_media_id_2,
shorthand=False,
access_token=non_admin_user_tok,
)
request.render(self.download_resource)
self.pump(1.0)
# Should be quarantined
self.assertEqual(
404,
int(channel.code),
msg=(
"Expected to receive a 404 on accessing quarantined media: %s"
% server_and_media_id_2
),
)
def test_quaraantine_all_media_in_room_deprecated_api_path(self):
def test_quarantine_all_media_in_room_deprecated_api_path(self):
# Perform the above test with the deprecated API path
self.test_quarantine_all_media_in_room("/_synapse/admin/v1/quarantine_media/%s")
@ -449,24 +415,51 @@ class QuarantineMediaTestCase(unittest.HomeserverTestCase):
)
# Attempt to access each piece of media
request, channel = self.make_request(
"GET",
server_and_media_id_1,
shorthand=False,
access_token=non_admin_user_tok,
)
request.render(self.download_resource)
self.pump(1.0)
self._ensure_quarantined(admin_user_tok, server_and_media_id_1)
self._ensure_quarantined(admin_user_tok, server_and_media_id_2)
# Should be quarantined
self.assertEqual(
404,
int(channel.code),
msg=(
"Expected to receive a 404 on accessing quarantined media: %s"
% server_and_media_id_1,
),
def test_cannot_quarantine_safe_media(self):
self.register_user("user_admin", "pass", admin=True)
admin_user_tok = self.login("user_admin", "pass")
non_admin_user = self.register_user("user_nonadmin", "pass", admin=False)
non_admin_user_tok = self.login("user_nonadmin", "pass")
# Upload some media
response_1 = self.helper.upload_media(
self.upload_resource, self.image_data, tok=non_admin_user_tok
)
response_2 = self.helper.upload_media(
self.upload_resource, self.image_data, tok=non_admin_user_tok
)
# Extract media IDs
server_and_media_id_1 = response_1["content_uri"][6:]
server_and_media_id_2 = response_2["content_uri"][6:]
# Mark the second item as safe from quarantine.
_, media_id_2 = server_and_media_id_2.split("/")
self.get_success(self.store.mark_local_media_as_safe(media_id_2))
# Quarantine all media by this user
url = "/_synapse/admin/v1/user/%s/media/quarantine" % urllib.parse.quote(
non_admin_user
)
request, channel = self.make_request(
"POST", url.encode("ascii"), access_token=admin_user_tok,
)
self.render(request)
self.pump(1.0)
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
self.assertEqual(
json.loads(channel.result["body"].decode("utf-8")),
{"num_quarantined": 1},
"Expected 1 quarantined item",
)
# Attempt to access each piece of media, the first should fail, the
# second should succeed.
self._ensure_quarantined(admin_user_tok, server_and_media_id_1)
# Attempt to access each piece of media
request, channel = self.make_request(
@ -478,12 +471,12 @@ class QuarantineMediaTestCase(unittest.HomeserverTestCase):
request.render(self.download_resource)
self.pump(1.0)
# Should be quarantined
# Shouldn't be quarantined
self.assertEqual(
404,
200,
int(channel.code),
msg=(
"Expected to receive a 404 on accessing quarantined media: %s"
"Expected to receive a 200 on accessing not-quarantined media: %s"
% server_and_media_id_2
),
)