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23740eaa3d
During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
602 lines
23 KiB
Python
602 lines
23 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2021 The Matrix.org Foundation C.I.C.
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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import inspect
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import os
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from typing import Iterable
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from synapse.media.filepath import MediaFilePaths, _wrap_with_jail_check
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from tests import unittest
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class MediaFilePathsTestCase(unittest.TestCase):
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def setUp(self) -> None:
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super().setUp()
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self.filepaths = MediaFilePaths("/media_store")
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def test_local_media_filepath(self) -> None:
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"""Test local media paths"""
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self.assertEqual(
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self.filepaths.local_media_filepath_rel("GerZNDnDZVjsOtardLuwfIBg"),
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"local_content/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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)
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self.assertEqual(
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self.filepaths.local_media_filepath("GerZNDnDZVjsOtardLuwfIBg"),
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"/media_store/local_content/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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)
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def test_local_media_thumbnail(self) -> None:
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"""Test local media thumbnail paths"""
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self.assertEqual(
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self.filepaths.local_media_thumbnail_rel(
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"GerZNDnDZVjsOtardLuwfIBg", 800, 600, "image/jpeg", "scale"
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),
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"local_thumbnails/Ge/rZ/NDnDZVjsOtardLuwfIBg/800-600-image-jpeg-scale",
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)
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self.assertEqual(
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self.filepaths.local_media_thumbnail(
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"GerZNDnDZVjsOtardLuwfIBg", 800, 600, "image/jpeg", "scale"
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),
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"/media_store/local_thumbnails/Ge/rZ/NDnDZVjsOtardLuwfIBg/800-600-image-jpeg-scale",
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)
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def test_local_media_thumbnail_dir(self) -> None:
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"""Test local media thumbnail directory paths"""
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self.assertEqual(
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self.filepaths.local_media_thumbnail_dir("GerZNDnDZVjsOtardLuwfIBg"),
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"/media_store/local_thumbnails/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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)
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def test_remote_media_filepath(self) -> None:
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"""Test remote media paths"""
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self.assertEqual(
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self.filepaths.remote_media_filepath_rel(
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"example.com", "GerZNDnDZVjsOtardLuwfIBg"
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),
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"remote_content/example.com/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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)
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self.assertEqual(
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self.filepaths.remote_media_filepath(
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"example.com", "GerZNDnDZVjsOtardLuwfIBg"
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),
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"/media_store/remote_content/example.com/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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)
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def test_remote_media_thumbnail(self) -> None:
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"""Test remote media thumbnail paths"""
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self.assertEqual(
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self.filepaths.remote_media_thumbnail_rel(
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"example.com",
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"GerZNDnDZVjsOtardLuwfIBg",
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800,
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600,
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"image/jpeg",
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"scale",
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),
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"remote_thumbnail/example.com/Ge/rZ/NDnDZVjsOtardLuwfIBg/800-600-image-jpeg-scale",
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)
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self.assertEqual(
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self.filepaths.remote_media_thumbnail(
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"example.com",
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"GerZNDnDZVjsOtardLuwfIBg",
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800,
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600,
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"image/jpeg",
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"scale",
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),
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"/media_store/remote_thumbnail/example.com/Ge/rZ/NDnDZVjsOtardLuwfIBg/800-600-image-jpeg-scale",
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)
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def test_remote_media_thumbnail_legacy(self) -> None:
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"""Test old-style remote media thumbnail paths"""
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self.assertEqual(
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self.filepaths.remote_media_thumbnail_rel_legacy(
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"example.com", "GerZNDnDZVjsOtardLuwfIBg", 800, 600, "image/jpeg"
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),
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"remote_thumbnail/example.com/Ge/rZ/NDnDZVjsOtardLuwfIBg/800-600-image-jpeg",
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)
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def test_remote_media_thumbnail_dir(self) -> None:
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"""Test remote media thumbnail directory paths"""
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self.assertEqual(
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self.filepaths.remote_media_thumbnail_dir(
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"example.com", "GerZNDnDZVjsOtardLuwfIBg"
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),
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"/media_store/remote_thumbnail/example.com/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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)
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def test_url_cache_filepath(self) -> None:
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"""Test URL cache paths"""
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self.assertEqual(
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self.filepaths.url_cache_filepath_rel("2020-01-02_GerZNDnDZVjsOtar"),
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"url_cache/2020-01-02/GerZNDnDZVjsOtar",
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)
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self.assertEqual(
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self.filepaths.url_cache_filepath("2020-01-02_GerZNDnDZVjsOtar"),
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"/media_store/url_cache/2020-01-02/GerZNDnDZVjsOtar",
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)
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def test_url_cache_filepath_legacy(self) -> None:
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"""Test old-style URL cache paths"""
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self.assertEqual(
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self.filepaths.url_cache_filepath_rel("GerZNDnDZVjsOtardLuwfIBg"),
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"url_cache/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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)
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self.assertEqual(
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self.filepaths.url_cache_filepath("GerZNDnDZVjsOtardLuwfIBg"),
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"/media_store/url_cache/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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)
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def test_url_cache_filepath_dirs_to_delete(self) -> None:
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"""Test URL cache cleanup paths"""
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self.assertEqual(
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self.filepaths.url_cache_filepath_dirs_to_delete(
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"2020-01-02_GerZNDnDZVjsOtar"
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),
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["/media_store/url_cache/2020-01-02"],
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)
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def test_url_cache_filepath_dirs_to_delete_legacy(self) -> None:
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"""Test old-style URL cache cleanup paths"""
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self.assertEqual(
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self.filepaths.url_cache_filepath_dirs_to_delete(
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"GerZNDnDZVjsOtardLuwfIBg"
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),
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[
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"/media_store/url_cache/Ge/rZ",
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"/media_store/url_cache/Ge",
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],
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)
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def test_url_cache_thumbnail(self) -> None:
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"""Test URL cache thumbnail paths"""
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self.assertEqual(
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self.filepaths.url_cache_thumbnail_rel(
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"2020-01-02_GerZNDnDZVjsOtar", 800, 600, "image/jpeg", "scale"
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),
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"url_cache_thumbnails/2020-01-02/GerZNDnDZVjsOtar/800-600-image-jpeg-scale",
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)
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self.assertEqual(
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self.filepaths.url_cache_thumbnail(
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"2020-01-02_GerZNDnDZVjsOtar", 800, 600, "image/jpeg", "scale"
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),
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"/media_store/url_cache_thumbnails/2020-01-02/GerZNDnDZVjsOtar/800-600-image-jpeg-scale",
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)
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def test_url_cache_thumbnail_legacy(self) -> None:
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"""Test old-style URL cache thumbnail paths"""
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self.assertEqual(
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self.filepaths.url_cache_thumbnail_rel(
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"GerZNDnDZVjsOtardLuwfIBg", 800, 600, "image/jpeg", "scale"
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),
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"url_cache_thumbnails/Ge/rZ/NDnDZVjsOtardLuwfIBg/800-600-image-jpeg-scale",
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)
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self.assertEqual(
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self.filepaths.url_cache_thumbnail(
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"GerZNDnDZVjsOtardLuwfIBg", 800, 600, "image/jpeg", "scale"
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),
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"/media_store/url_cache_thumbnails/Ge/rZ/NDnDZVjsOtardLuwfIBg/800-600-image-jpeg-scale",
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)
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def test_url_cache_thumbnail_directory(self) -> None:
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"""Test URL cache thumbnail directory paths"""
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self.assertEqual(
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self.filepaths.url_cache_thumbnail_directory_rel(
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"2020-01-02_GerZNDnDZVjsOtar"
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),
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"url_cache_thumbnails/2020-01-02/GerZNDnDZVjsOtar",
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)
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self.assertEqual(
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self.filepaths.url_cache_thumbnail_directory("2020-01-02_GerZNDnDZVjsOtar"),
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"/media_store/url_cache_thumbnails/2020-01-02/GerZNDnDZVjsOtar",
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)
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def test_url_cache_thumbnail_directory_legacy(self) -> None:
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"""Test old-style URL cache thumbnail directory paths"""
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self.assertEqual(
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self.filepaths.url_cache_thumbnail_directory_rel(
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"GerZNDnDZVjsOtardLuwfIBg"
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),
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"url_cache_thumbnails/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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)
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self.assertEqual(
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self.filepaths.url_cache_thumbnail_directory("GerZNDnDZVjsOtardLuwfIBg"),
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"/media_store/url_cache_thumbnails/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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)
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def test_url_cache_thumbnail_dirs_to_delete(self) -> None:
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"""Test URL cache thumbnail cleanup paths"""
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self.assertEqual(
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self.filepaths.url_cache_thumbnail_dirs_to_delete(
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"2020-01-02_GerZNDnDZVjsOtar"
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),
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[
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"/media_store/url_cache_thumbnails/2020-01-02/GerZNDnDZVjsOtar",
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"/media_store/url_cache_thumbnails/2020-01-02",
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],
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)
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def test_url_cache_thumbnail_dirs_to_delete_legacy(self) -> None:
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"""Test old-style URL cache thumbnail cleanup paths"""
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self.assertEqual(
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self.filepaths.url_cache_thumbnail_dirs_to_delete(
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"GerZNDnDZVjsOtardLuwfIBg"
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),
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[
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"/media_store/url_cache_thumbnails/Ge/rZ/NDnDZVjsOtardLuwfIBg",
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"/media_store/url_cache_thumbnails/Ge/rZ",
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"/media_store/url_cache_thumbnails/Ge",
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],
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)
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def test_server_name_validation(self) -> None:
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"""Test validation of server names"""
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self._test_path_validation(
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[
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"remote_media_filepath_rel",
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"remote_media_filepath",
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"remote_media_thumbnail_rel",
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"remote_media_thumbnail",
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"remote_media_thumbnail_rel_legacy",
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"remote_media_thumbnail_dir",
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],
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parameter="server_name",
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valid_values=[
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"matrix.org",
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"matrix.org:8448",
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"matrix-federation.matrix.org",
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"matrix-federation.matrix.org:8448",
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"10.1.12.123",
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"10.1.12.123:8448",
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"[fd00:abcd::ffff]",
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"[fd00:abcd::ffff]:8448",
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],
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invalid_values=[
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"/matrix.org",
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"matrix.org/..",
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"matrix.org\x00",
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"",
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".",
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"..",
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"/",
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],
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)
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def test_file_id_validation(self) -> None:
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"""Test validation of local, remote and legacy URL cache file / media IDs"""
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# File / media IDs get split into three parts to form paths, consisting of the
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# first two characters, next two characters and rest of the ID.
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valid_file_ids = [
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"GerZNDnDZVjsOtardLuwfIBg",
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# Unexpected, but produces an acceptable path:
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"GerZN", # "N" becomes the last directory
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]
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invalid_file_ids = [
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"/erZNDnDZVjsOtardLuwfIBg",
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"Ge/ZNDnDZVjsOtardLuwfIBg",
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"GerZ/DnDZVjsOtardLuwfIBg",
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"GerZ/..",
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"G\x00rZNDnDZVjsOtardLuwfIBg",
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"Ger\x00NDnDZVjsOtardLuwfIBg",
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"GerZNDnDZVjsOtardLuwfIBg\x00",
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"",
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"Ge",
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"GerZ",
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"GerZ.",
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"..rZNDnDZVjsOtardLuwfIBg",
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"Ge..NDnDZVjsOtardLuwfIBg",
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"GerZ..",
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"GerZ/",
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]
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self._test_path_validation(
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[
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"local_media_filepath_rel",
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"local_media_filepath",
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"local_media_thumbnail_rel",
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"local_media_thumbnail",
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"local_media_thumbnail_dir",
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# Legacy URL cache media IDs
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"url_cache_filepath_rel",
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"url_cache_filepath",
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# `url_cache_filepath_dirs_to_delete` is tested below.
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"url_cache_thumbnail_rel",
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"url_cache_thumbnail",
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"url_cache_thumbnail_directory_rel",
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"url_cache_thumbnail_directory",
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"url_cache_thumbnail_dirs_to_delete",
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],
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parameter="media_id",
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valid_values=valid_file_ids,
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invalid_values=invalid_file_ids,
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)
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# `url_cache_filepath_dirs_to_delete` ignores what would be the last path
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# component, so only the first 4 characters matter.
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self._test_path_validation(
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[
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"url_cache_filepath_dirs_to_delete",
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],
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parameter="media_id",
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valid_values=valid_file_ids,
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invalid_values=[
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"/erZNDnDZVjsOtardLuwfIBg",
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"Ge/ZNDnDZVjsOtardLuwfIBg",
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"G\x00rZNDnDZVjsOtardLuwfIBg",
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"Ger\x00NDnDZVjsOtardLuwfIBg",
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"",
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"Ge",
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"..rZNDnDZVjsOtardLuwfIBg",
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"Ge..NDnDZVjsOtardLuwfIBg",
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],
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)
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self._test_path_validation(
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[
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"remote_media_filepath_rel",
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"remote_media_filepath",
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"remote_media_thumbnail_rel",
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"remote_media_thumbnail",
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"remote_media_thumbnail_rel_legacy",
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"remote_media_thumbnail_dir",
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],
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parameter="file_id",
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valid_values=valid_file_ids,
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invalid_values=invalid_file_ids,
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)
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def test_url_cache_media_id_validation(self) -> None:
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"""Test validation of URL cache media IDs"""
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self._test_path_validation(
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[
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"url_cache_filepath_rel",
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"url_cache_filepath",
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# `url_cache_filepath_dirs_to_delete` only cares about the date prefix
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"url_cache_thumbnail_rel",
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"url_cache_thumbnail",
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"url_cache_thumbnail_directory_rel",
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"url_cache_thumbnail_directory",
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"url_cache_thumbnail_dirs_to_delete",
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],
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parameter="media_id",
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valid_values=[
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"2020-01-02_GerZNDnDZVjsOtar",
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"2020-01-02_G", # Unexpected, but produces an acceptable path
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],
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invalid_values=[
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"2020-01-02",
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"2020-01-02-",
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"2020-01-02-.",
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"2020-01-02-..",
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"2020-01-02-/",
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"2020-01-02-/GerZNDnDZVjsOtar",
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"2020-01-02-GerZNDnDZVjsOtar/..",
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"2020-01-02-GerZNDnDZVjsOtar\x00",
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],
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)
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def test_content_type_validation(self) -> None:
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"""Test validation of thumbnail content types"""
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self._test_path_validation(
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[
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"local_media_thumbnail_rel",
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"local_media_thumbnail",
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"remote_media_thumbnail_rel",
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"remote_media_thumbnail",
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"remote_media_thumbnail_rel_legacy",
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"url_cache_thumbnail_rel",
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"url_cache_thumbnail",
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],
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parameter="content_type",
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valid_values=[
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"image/jpeg",
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],
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invalid_values=[
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"", # ValueError: not enough values to unpack
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"image/jpeg/abc", # ValueError: too many values to unpack
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"image/jpeg\x00",
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],
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)
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def test_thumbnail_method_validation(self) -> None:
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"""Test validation of thumbnail methods"""
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self._test_path_validation(
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[
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"local_media_thumbnail_rel",
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"local_media_thumbnail",
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"remote_media_thumbnail_rel",
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"remote_media_thumbnail",
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"url_cache_thumbnail_rel",
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"url_cache_thumbnail",
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],
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parameter="method",
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valid_values=[
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"crop",
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"scale",
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],
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invalid_values=[
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"/scale",
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"scale/..",
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"scale\x00",
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"/",
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],
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)
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def _test_path_validation(
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self,
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methods: Iterable[str],
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parameter: str,
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valid_values: Iterable[str],
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invalid_values: Iterable[str],
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) -> None:
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"""Test that the specified methods validate the named parameter as expected
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Args:
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methods: The names of `MediaFilePaths` methods to test
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parameter: The name of the parameter to test
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valid_values: A list of parameter values that are expected to be accepted
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invalid_values: A list of parameter values that are expected to be rejected
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Raises:
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AssertionError: If a value was accepted when it should have failed
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validation.
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ValueError: If a value failed validation when it should have been accepted.
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"""
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for method in methods:
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get_path = getattr(self.filepaths, method)
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parameters = inspect.signature(get_path).parameters
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kwargs = {
|
|
"server_name": "matrix.org",
|
|
"media_id": "GerZNDnDZVjsOtardLuwfIBg",
|
|
"file_id": "GerZNDnDZVjsOtardLuwfIBg",
|
|
"width": 800,
|
|
"height": 600,
|
|
"content_type": "image/jpeg",
|
|
"method": "scale",
|
|
}
|
|
|
|
if get_path.__name__.startswith("url_"):
|
|
kwargs["media_id"] = "2020-01-02_GerZNDnDZVjsOtar"
|
|
|
|
kwargs = {k: v for k, v in kwargs.items() if k in parameters}
|
|
kwargs.pop(parameter)
|
|
|
|
for value in valid_values:
|
|
kwargs[parameter] = value
|
|
get_path(**kwargs)
|
|
# No exception should be raised
|
|
|
|
for value in invalid_values:
|
|
with self.assertRaises(ValueError):
|
|
kwargs[parameter] = value
|
|
path_or_list = get_path(**kwargs)
|
|
self.fail(
|
|
f"{value!r} unexpectedly passed validation: "
|
|
f"{method} returned {path_or_list!r}"
|
|
)
|
|
|
|
|
|
class MediaFilePathsJailTestCase(unittest.TestCase):
|
|
def _check_relative_path(self, filepaths: MediaFilePaths, path: str) -> None:
|
|
"""Passes a relative path through the jail check.
|
|
|
|
Args:
|
|
filepaths: The `MediaFilePaths` instance.
|
|
path: A path relative to the media store directory.
|
|
|
|
Raises:
|
|
ValueError: If the jail check fails.
|
|
"""
|
|
|
|
@_wrap_with_jail_check(relative=True)
|
|
def _make_relative_path(self: MediaFilePaths, path: str) -> str:
|
|
return path
|
|
|
|
_make_relative_path(filepaths, path)
|
|
|
|
def _check_absolute_path(self, filepaths: MediaFilePaths, path: str) -> None:
|
|
"""Passes an absolute path through the jail check.
|
|
|
|
Args:
|
|
filepaths: The `MediaFilePaths` instance.
|
|
path: A path relative to the media store directory.
|
|
|
|
Raises:
|
|
ValueError: If the jail check fails.
|
|
"""
|
|
|
|
@_wrap_with_jail_check(relative=False)
|
|
def _make_absolute_path(self: MediaFilePaths, path: str) -> str:
|
|
return os.path.join(self.base_path, path)
|
|
|
|
_make_absolute_path(filepaths, path)
|
|
|
|
def test_traversal_inside(self) -> None:
|
|
"""Test the jail check for paths that stay within the media directory."""
|
|
# Despite the `../`s, these paths still lie within the media directory and it's
|
|
# expected for the jail check to allow them through.
|
|
# These paths ought to trip the other checks in place and should never be
|
|
# returned.
|
|
filepaths = MediaFilePaths("/media_store")
|
|
path = "url_cache/2020-01-02/../../GerZNDnDZVjsOtar"
|
|
self._check_relative_path(filepaths, path)
|
|
self._check_absolute_path(filepaths, path)
|
|
|
|
def test_traversal_outside(self) -> None:
|
|
"""Test that the jail check fails for paths that escape the media directory."""
|
|
filepaths = MediaFilePaths("/media_store")
|
|
path = "url_cache/2020-01-02/../../../GerZNDnDZVjsOtar"
|
|
with self.assertRaises(ValueError):
|
|
self._check_relative_path(filepaths, path)
|
|
with self.assertRaises(ValueError):
|
|
self._check_absolute_path(filepaths, path)
|
|
|
|
def test_traversal_reentry(self) -> None:
|
|
"""Test the jail check for paths that exit and re-enter the media directory."""
|
|
# These paths lie outside the media directory if it is a symlink, and inside
|
|
# otherwise. Ideally the check should fail, but this proves difficult.
|
|
# This test documents the behaviour for this edge case.
|
|
# These paths ought to trip the other checks in place and should never be
|
|
# returned.
|
|
filepaths = MediaFilePaths("/media_store")
|
|
path = "url_cache/2020-01-02/../../../media_store/GerZNDnDZVjsOtar"
|
|
self._check_relative_path(filepaths, path)
|
|
self._check_absolute_path(filepaths, path)
|
|
|
|
def test_symlink(self) -> None:
|
|
"""Test that a symlink does not cause the jail check to fail."""
|
|
media_store_path = self.mktemp()
|
|
|
|
# symlink the media store directory
|
|
os.symlink("/mnt/synapse/media_store", media_store_path)
|
|
|
|
# Test that relative and absolute paths don't trip the check
|
|
# NB: `media_store_path` is a relative path
|
|
filepaths = MediaFilePaths(media_store_path)
|
|
self._check_relative_path(filepaths, "url_cache/2020-01-02/GerZNDnDZVjsOtar")
|
|
self._check_absolute_path(filepaths, "url_cache/2020-01-02/GerZNDnDZVjsOtar")
|
|
|
|
filepaths = MediaFilePaths(os.path.abspath(media_store_path))
|
|
self._check_relative_path(filepaths, "url_cache/2020-01-02/GerZNDnDZVjsOtar")
|
|
self._check_absolute_path(filepaths, "url_cache/2020-01-02/GerZNDnDZVjsOtar")
|
|
|
|
def test_symlink_subdirectory(self) -> None:
|
|
"""Test that a symlinked subdirectory does not cause the jail check to fail."""
|
|
media_store_path = self.mktemp()
|
|
os.mkdir(media_store_path)
|
|
|
|
# symlink `url_cache/`
|
|
os.symlink(
|
|
"/mnt/synapse/media_store_url_cache",
|
|
os.path.join(media_store_path, "url_cache"),
|
|
)
|
|
|
|
# Test that relative and absolute paths don't trip the check
|
|
# NB: `media_store_path` is a relative path
|
|
filepaths = MediaFilePaths(media_store_path)
|
|
self._check_relative_path(filepaths, "url_cache/2020-01-02/GerZNDnDZVjsOtar")
|
|
self._check_absolute_path(filepaths, "url_cache/2020-01-02/GerZNDnDZVjsOtar")
|
|
|
|
filepaths = MediaFilePaths(os.path.abspath(media_store_path))
|
|
self._check_relative_path(filepaths, "url_cache/2020-01-02/GerZNDnDZVjsOtar")
|
|
self._check_absolute_path(filepaths, "url_cache/2020-01-02/GerZNDnDZVjsOtar")
|