Remove unused, undocumented "content repo" resource (#6628)

This looks like it got half-killed back in #888.

Fixes #6567.

9 files changed, 3 insertions, 128 deletions

diff --git a/changelog.d/6628.removal b/changelog.d/6628.removal
new file mode 100644
index 0000000000..66cd6aeca4
--- /dev/null
+++ b/changelog.d/6628.removal
@@ -0,0 +1 @@
+Remove unused, undocumented /_matrix/content API.
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index e3b05423b8..fad5f968b5 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -692,10 +692,6 @@ media_store_path: "DATADIR/media_store"
 #    config:
 #       directory: /mnt/some/other/directory
 
-# Directory where in-progress uploads are stored.
-#
-uploads_path: "DATADIR/uploads"
-
 # The largest allowed upload size in bytes
 #
 #max_upload_size: 10M
diff --git a/synapse/api/urls.py b/synapse/api/urls.py
index ff1f39e86c..f34434bd67 100644
--- a/synapse/api/urls.py
+++ b/synapse/api/urls.py
@@ -29,7 +29,6 @@ FEDERATION_V2_PREFIX = FEDERATION_PREFIX + "/v2"
 FEDERATION_UNSTABLE_PREFIX = FEDERATION_PREFIX + "/unstable"
 STATIC_PREFIX = "/_matrix/static"
 WEB_CLIENT_PREFIX = "/_matrix/client"
-CONTENT_REPO_PREFIX = "/_matrix/content"
 SERVER_KEY_V2_PREFIX = "/_matrix/key/v2"
 MEDIA_PREFIX = "/_matrix/media/r0"
 LEGACY_MEDIA_PREFIX = "/_matrix/media/v1"
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 0e9bf7f53a..6208deb646 100644
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -39,7 +39,6 @@ import synapse
 import synapse.config.logger
 from synapse import events
 from synapse.api.urls import (
-    CONTENT_REPO_PREFIX,
     FEDERATION_PREFIX,
     LEGACY_MEDIA_PREFIX,
     MEDIA_PREFIX,
@@ -65,7 +64,6 @@ from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
 from synapse.rest import ClientRestResource
 from synapse.rest.admin import AdminRestResource
 from synapse.rest.key.v2 import KeyApiV2Resource
-from synapse.rest.media.v0.content_repository import ContentRepoResource
 from synapse.rest.well_known import WellKnownResource
 from synapse.server import HomeServer
 from synapse.storage import DataStore
@@ -223,13 +221,7 @@ class SynapseHomeServer(HomeServer):
             if self.get_config().enable_media_repo:
                 media_repo = self.get_media_repository_resource()
                 resources.update(
-                    {
-                        MEDIA_PREFIX: media_repo,
-                        LEGACY_MEDIA_PREFIX: media_repo,
-                        CONTENT_REPO_PREFIX: ContentRepoResource(
-                            self, self.config.uploads_path
-                        ),
-                    }
+                    {MEDIA_PREFIX: media_repo, LEGACY_MEDIA_PREFIX: media_repo}
                 )
             elif name == "media":
                 raise ConfigError(
diff --git a/synapse/app/media_repository.py b/synapse/app/media_repository.py
index 4c80f257e2..a63c53dc44 100644
--- a/synapse/app/media_repository.py
+++ b/synapse/app/media_repository.py
@@ -21,7 +21,7 @@ from twisted.web.resource import NoResource
 
 import synapse
 from synapse import events
-from synapse.api.urls import CONTENT_REPO_PREFIX, LEGACY_MEDIA_PREFIX, MEDIA_PREFIX
+from synapse.api.urls import LEGACY_MEDIA_PREFIX, MEDIA_PREFIX
 from synapse.app import _base
 from synapse.config._base import ConfigError
 from synapse.config.homeserver import HomeServerConfig
@@ -37,7 +37,6 @@ from synapse.replication.slave.storage.registration import SlavedRegistrationSto
 from synapse.replication.slave.storage.transactions import SlavedTransactionStore
 from synapse.replication.tcp.client import ReplicationClientHandler
 from synapse.rest.admin import register_servlets_for_media_repo
-from synapse.rest.media.v0.content_repository import ContentRepoResource
 from synapse.server import HomeServer
 from synapse.storage.data_stores.main.media_repository import MediaRepositoryStore
 from synapse.util.httpresourcetree import create_resource_tree
@@ -82,9 +81,6 @@ class MediaRepositoryServer(HomeServer):
                         {
                             MEDIA_PREFIX: media_repo,
                             LEGACY_MEDIA_PREFIX: media_repo,
-                            CONTENT_REPO_PREFIX: ContentRepoResource(
-                                self, self.config.uploads_path
-                            ),
                             "/_synapse/admin": admin_resource,
                         }
                     )
diff --git a/synapse/config/repository.py b/synapse/config/repository.py
index d0205e14b9..7d2dd27fd0 100644
--- a/synapse/config/repository.py
+++ b/synapse/config/repository.py
@@ -156,7 +156,6 @@ class ContentRepositoryConfig(Config):
                 (provider_class, parsed_config, wrapper_config)
             )
 
-        self.uploads_path = self.ensure_directory(config.get("uploads_path", "uploads"))
         self.dynamic_thumbnails = config.get("dynamic_thumbnails", False)
         self.thumbnail_requirements = parse_thumbnail_requirements(
             config.get("thumbnail_sizes", DEFAULT_THUMBNAIL_SIZES)
@@ -231,10 +230,6 @@ class ContentRepositoryConfig(Config):
         #    config:
         #       directory: /mnt/some/other/directory
 
-        # Directory where in-progress uploads are stored.
-        #
-        uploads_path: "%(uploads_path)s"
-
         # The largest allowed upload size in bytes
         #
         #max_upload_size: 10M
diff --git a/synapse/rest/media/v0/__init__.py b/synapse/rest/media/v0/__init__.py
deleted file mode 100644
index e69de29bb2..0000000000
--- a/synapse/rest/media/v0/__init__.py
+++ /dev/null
diff --git a/synapse/rest/media/v0/content_repository.py b/synapse/rest/media/v0/content_repository.py
deleted file mode 100644
index 86884c0ef4..0000000000
--- a/synapse/rest/media/v0/content_repository.py
+++ /dev/null
@@ -1,103 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright 2014-2016 OpenMarket Ltd
-#
-# 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.
-
-import base64
-import logging
-import os
-import re
-
-from canonicaljson import json
-
-from twisted.protocols.basic import FileSender
-from twisted.web import resource, server
-
-from synapse.api.errors import Codes, cs_error
-from synapse.http.server import finish_request, respond_with_json_bytes
-
-logger = logging.getLogger(__name__)
-
-
-class ContentRepoResource(resource.Resource):
-    """Provides file uploading and downloading.
-
-    Uploads are POSTed to wherever this Resource is linked to. This resource
-    returns a "content token" which can be used to GET this content again. The
-    token is typically a path, but it may not be. Tokens can expire, be
-    one-time uses, etc.
-
-    In this case, the token is a path to the file and contains 3 interesting
-    sections:
-        - User ID base64d (for namespacing content to each user)
-        - random 24 char string
-        - Content type base64d (so we can return it when clients GET it)
-
-    """
-
-    isLeaf = True
-
-    def __init__(self, hs, directory):
-        resource.Resource.__init__(self)
-        self.hs = hs
-        self.directory = directory
-
-    def render_GET(self, request):
-        # no auth here on purpose, to allow anyone to view, even across home
-        # servers.
-
-        # TODO: A little crude here, we could do this better.
-        filename = request.path.decode("ascii").split("/")[-1]
-        # be paranoid
-        filename = re.sub("[^0-9A-z.-_]", "", filename)
-
-        file_path = self.directory + "/" + filename
-
-        logger.debug("Searching for %s", file_path)
-
-        if os.path.isfile(file_path):
-            # filename has the content type
-            base64_contentype = filename.split(".")[1]
-            content_type = base64.urlsafe_b64decode(base64_contentype)
-            logger.info("Sending file %s", file_path)
-            f = open(file_path, "rb")
-            request.setHeader("Content-Type", content_type)
-
-            # cache for at least a day.
-            # XXX: we might want to turn this off for data we don't want to
-            # recommend caching as it's sensitive or private - or at least
-            # select private. don't bother setting Expires as all our matrix
-            # clients are smart enough to be happy with Cache-Control (right?)
-            request.setHeader(b"Cache-Control", b"public,max-age=86400,s-maxage=86400")
-
-            d = FileSender().beginFileTransfer(f, request)
-
-            # after the file has been sent, clean up and finish the request
-            def cbFinished(ignored):
-                f.close()
-                finish_request(request)
-
-            d.addCallback(cbFinished)
-        else:
-            respond_with_json_bytes(
-                request,
-                404,
-                json.dumps(cs_error("Not found", code=Codes.NOT_FOUND)),
-                send_cors=True,
-            )
-
-        return server.NOT_DONE_YET
-
-    def render_OPTIONS(self, request):
-        respond_with_json_bytes(request, 200, {}, send_cors=True)
-        return server.NOT_DONE_YET
diff --git a/tox.ini b/tox.ini
index 1d6428f64f..0ab6d5666b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -182,7 +182,6 @@ commands = mypy \
             synapse/logging/ \
             synapse/module_api \
             synapse/rest/consent \
-            synapse/rest/media/v0 \
             synapse/rest/saml2 \
             synapse/spam_checker_api \
             synapse/storage/engines \