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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2024 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
import io
import os
import shutil
import tempfile
from typing import Optional
from twisted.test.proto_helpers import MemoryReactor
from synapse.media._base import FileInfo, Responder
from synapse.media.filepath import MediaFilePaths
from synapse.media.media_storage import MediaStorage
from synapse.media.storage_provider import (
FileStorageProviderBackend,
StorageProviderWrapper,
)
from synapse.server import HomeServer
from synapse.storage.databases.main.media_repository import LocalMedia
from synapse.types import JsonDict, UserID
from synapse.util import Clock
from tests import unittest
from tests.test_utils import SMALL_PNG
from tests.unittest import override_config
class FederationUnstableMediaDownloadsTest(unittest.FederatingHomeserverTestCase):
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
super().prepare(reactor, clock, hs)
self.test_dir = tempfile.mkdtemp(prefix="synapse-tests-")
self.addCleanup(shutil.rmtree, self.test_dir)
self.primary_base_path = os.path.join(self.test_dir, "primary")
self.secondary_base_path = os.path.join(self.test_dir, "secondary")
hs.config.media.media_store_path = self.primary_base_path
storage_providers = [
StorageProviderWrapper(
FileStorageProviderBackend(hs, self.secondary_base_path),
store_local=True,
store_remote=False,
store_synchronous=True,
)
]
self.filepaths = MediaFilePaths(self.primary_base_path)
self.media_storage = MediaStorage(
hs, self.primary_base_path, self.filepaths, storage_providers
)
self.media_repo = hs.get_media_repository()
@override_config(
{"experimental_features": {"msc3916_authenticated_media_enabled": True}}
)
def test_file_download(self) -> None:
content = io.BytesIO(b"file_to_stream")
content_uri = self.get_success(
self.media_repo.create_content(
"text/plain",
"test_upload",
content,
46,
UserID.from_string("@user_id:whatever.org"),
)
)
# test with a text file
channel = self.make_signed_federation_request(
"GET",
f"/_matrix/federation/unstable/org.matrix.msc3916/media/download/{content_uri.media_id}",
)
self.pump()
self.assertEqual(200, channel.code)
content_type = channel.headers.getRawHeaders("content-type")
assert content_type is not None
assert "multipart/mixed" in content_type[0]
assert "boundary" in content_type[0]
# extract boundary
boundary = content_type[0].split("boundary=")[1]
# split on boundary and check that json field and expected value exist
stripped = channel.text_body.split("\r\n" + "--" + boundary)
# TODO: the json object expected will change once MSC3911 is implemented, currently
# {} is returned for all requests as a placeholder (per MSC3196)
found_json = any(
"\r\nContent-Type: application/json\r\n{}" in field for field in stripped
)
self.assertTrue(found_json)
# check that text file and expected value exist
found_file = any(
"\r\nContent-Type: text/plain\r\nfile_to_stream" in field
for field in stripped
)
self.assertTrue(found_file)
content = io.BytesIO(SMALL_PNG)
content_uri = self.get_success(
self.media_repo.create_content(
"image/png",
"test_png_upload",
content,
67,
UserID.from_string("@user_id:whatever.org"),
)
)
# test with an image file
channel = self.make_signed_federation_request(
"GET",
f"/_matrix/federation/unstable/org.matrix.msc3916/media/download/{content_uri.media_id}",
)
self.pump()
self.assertEqual(200, channel.code)
content_type = channel.headers.getRawHeaders("content-type")
assert content_type is not None
assert "multipart/mixed" in content_type[0]
assert "boundary" in content_type[0]
# extract boundary
boundary = content_type[0].split("boundary=")[1]
# split on boundary and check that json field and expected value exist
body = channel.result.get("body")
assert body is not None
stripped_bytes = body.split(b"\r\n" + b"--" + boundary.encode("utf-8"))
found_json = any(
b"\r\nContent-Type: application/json\r\n{}" in field
for field in stripped_bytes
)
self.assertTrue(found_json)
# check that png file exists and matches what was uploaded
found_file = any(SMALL_PNG in field for field in stripped_bytes)
self.assertTrue(found_file)
@override_config(
{"experimental_features": {"msc3916_authenticated_media_enabled": False}}
)
def test_disable_config(self) -> None:
content = io.BytesIO(b"file_to_stream")
content_uri = self.get_success(
self.media_repo.create_content(
"text/plain",
"test_upload",
content,
46,
UserID.from_string("@user_id:whatever.org"),
)
)
channel = self.make_signed_federation_request(
"GET",
f"/_matrix/federation/unstable/org.matrix.msc3916/media/download/{content_uri.media_id}",
)
self.pump()
self.assertEqual(404, channel.code)
self.assertEqual(channel.json_body.get("errcode"), "M_UNRECOGNIZED")
class FakeFileStorageProviderBackend:
"""
Fake storage provider stub with incompatible `fetch` signature for testing
"""
def __init__(self, hs: "HomeServer", config: str):
self.hs = hs
self.cache_directory = hs.config.media.media_store_path
self.base_directory = config
def __str__(self) -> str:
return "FakeFileStorageProviderBackend[%s]" % (self.base_directory,)
async def fetch(
self, path: str, file_info: FileInfo, media_info: Optional[LocalMedia] = None
) -> Optional[Responder]:
pass
TEST_DIR = tempfile.mkdtemp(prefix="synapse-tests-")
class FederationUnstableMediaEndpointCompatibilityTest(
unittest.FederatingHomeserverTestCase
):
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
super().prepare(reactor, clock, hs)
self.test_dir = TEST_DIR
self.addCleanup(shutil.rmtree, self.test_dir)
self.media_repo = hs.get_media_repository()
def default_config(self) -> JsonDict:
config = super().default_config()
primary_base_path = os.path.join(TEST_DIR, "primary")
config["media_storage_providers"] = [
{
"module": "tests.federation.test_federation_media.FakeFileStorageProviderBackend",
"store_local": "True",
"store_remote": "False",
"store_synchronous": "False",
"config": {"directory": primary_base_path},
}
]
return config
@override_config(
{"experimental_features": {"msc3916_authenticated_media_enabled": True}}
)
def test_incompatible_storage_provider_fails_to_load_endpoint(self) -> None:
channel = self.make_signed_federation_request(
"GET",
"/_matrix/federation/unstable/org.matrix.msc3916/media/download/xyz",
)
self.pump()
self.assertEqual(404, channel.code)
self.assertEqual(channel.json_body.get("errcode"), "M_UNRECOGNIZED")
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