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-rw-r--r--synapse/rest/__init__.py2
-rw-r--r--synapse/rest/client/v1/admin.py141
-rw-r--r--synapse/rest/client/v2_alpha/sync.py1
-rw-r--r--synapse/rest/client/v2_alpha/user_directory.py79
-rw-r--r--synapse/rest/media/v1/download_resource.py9
-rw-r--r--synapse/rest/media/v1/filepath.py18
-rw-r--r--synapse/rest/media/v1/media_repository.py33
-rw-r--r--synapse/rest/media/v1/preview_url_resource.py9
-rw-r--r--synapse/rest/media/v1/thumbnail_resource.py32
9 files changed, 302 insertions, 22 deletions
diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py
index aa8d874f96..3d809d181b 100644
--- a/synapse/rest/__init__.py
+++ b/synapse/rest/__init__.py
@@ -51,6 +51,7 @@ from synapse.rest.client.v2_alpha import (
     devices,
     thirdparty,
     sendtodevice,
+    user_directory,
 )
 
 from synapse.http.server import JsonResource
@@ -100,3 +101,4 @@ class ClientRestResource(JsonResource):
         devices.register_servlets(hs, client_resource)
         thirdparty.register_servlets(hs, client_resource)
         sendtodevice.register_servlets(hs, client_resource)
+        user_directory.register_servlets(hs, client_resource)
diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py
index 29fcd72375..7d786e8de3 100644
--- a/synapse/rest/client/v1/admin.py
+++ b/synapse/rest/client/v1/admin.py
@@ -15,8 +15,9 @@
 
 from twisted.internet import defer
 
+from synapse.api.constants import Membership
 from synapse.api.errors import AuthError, SynapseError
-from synapse.types import UserID
+from synapse.types import UserID, create_requester
 from synapse.http.servlet import parse_json_object_from_request
 
 from .base import ClientV1RestServlet, client_path_patterns
@@ -157,6 +158,142 @@ class DeactivateAccountRestServlet(ClientV1RestServlet):
         defer.returnValue((200, {}))
 
 
+class ShutdownRoomRestServlet(ClientV1RestServlet):
+    """Shuts down a room by removing all local users from the room and blocking
+    all future invites and joins to the room. Any local aliases will be repointed
+    to a new room created by `new_room_user_id` and kicked users will be auto
+    joined to the new room.
+    """
+    PATTERNS = client_path_patterns("/admin/shutdown_room/(?P<room_id>[^/]+)")
+
+    DEFAULT_MESSAGE = (
+        "Sharing illegal content on this server is not permitted and rooms in"
+        " violatation will be blocked."
+    )
+
+    def __init__(self, hs):
+        super(ShutdownRoomRestServlet, self).__init__(hs)
+        self.store = hs.get_datastore()
+        self.handlers = hs.get_handlers()
+        self.state = hs.get_state_handler()
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, room_id):
+        requester = yield self.auth.get_user_by_req(request)
+        is_admin = yield self.auth.is_server_admin(requester.user)
+        if not is_admin:
+            raise AuthError(403, "You are not a server admin")
+
+        content = parse_json_object_from_request(request)
+
+        new_room_user_id = content.get("new_room_user_id")
+        if not new_room_user_id:
+            raise SynapseError(400, "Please provide field `new_room_user_id`")
+
+        room_creator_requester = create_requester(new_room_user_id)
+
+        message = content.get("message", self.DEFAULT_MESSAGE)
+        room_name = content.get("room_name", "Content Violation Notification")
+
+        info = yield self.handlers.room_creation_handler.create_room(
+            room_creator_requester,
+            config={
+                "preset": "public_chat",
+                "name": room_name,
+                "power_level_content_override": {
+                    "users_default": -10,
+                },
+            },
+            ratelimit=False,
+        )
+        new_room_id = info["room_id"]
+
+        msg_handler = self.handlers.message_handler
+        yield msg_handler.create_and_send_nonmember_event(
+            room_creator_requester,
+            {
+                "type": "m.room.message",
+                "content": {"body": message, "msgtype": "m.text"},
+                "room_id": new_room_id,
+                "sender": new_room_user_id,
+            },
+            ratelimit=False,
+        )
+
+        requester_user_id = requester.user.to_string()
+
+        logger.info("Shutting down room %r", room_id)
+
+        yield self.store.block_room(room_id, requester_user_id)
+
+        users = yield self.state.get_current_user_in_room(room_id)
+        kicked_users = []
+        for user_id in users:
+            if not self.hs.is_mine_id(user_id):
+                continue
+
+            logger.info("Kicking %r from %r...", user_id, room_id)
+
+            target_requester = create_requester(user_id)
+            yield self.handlers.room_member_handler.update_membership(
+                requester=target_requester,
+                target=target_requester.user,
+                room_id=room_id,
+                action=Membership.LEAVE,
+                content={},
+                ratelimit=False
+            )
+
+            yield self.handlers.room_member_handler.forget(target_requester.user, room_id)
+
+            yield self.handlers.room_member_handler.update_membership(
+                requester=target_requester,
+                target=target_requester.user,
+                room_id=new_room_id,
+                action=Membership.JOIN,
+                content={},
+                ratelimit=False
+            )
+
+            kicked_users.append(user_id)
+
+        aliases_for_room = yield self.store.get_aliases_for_room(room_id)
+
+        yield self.store.update_aliases_for_room(
+            room_id, new_room_id, requester_user_id
+        )
+
+        defer.returnValue((200, {
+            "kicked_users": kicked_users,
+            "local_aliases": aliases_for_room,
+            "new_room_id": new_room_id,
+        }))
+
+
+class QuarantineMediaInRoom(ClientV1RestServlet):
+    """Quarantines all media in a room so that no one can download it via
+    this server.
+    """
+    PATTERNS = client_path_patterns("/admin/quarantine_media/(?P<room_id>[^/]+)")
+
+    def __init__(self, hs):
+        super(QuarantineMediaInRoom, self).__init__(hs)
+        self.store = hs.get_datastore()
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, room_id):
+        requester = yield self.auth.get_user_by_req(request)
+        is_admin = yield self.auth.is_server_admin(requester.user)
+        if not is_admin:
+            raise AuthError(403, "You are not a server admin")
+
+        num_quarantined = yield self.store.quarantine_media_ids_in_room(
+            room_id, requester.user.to_string(),
+        )
+
+        defer.returnValue((200, {"num_quarantined": num_quarantined}))
+
+
 class ResetPasswordRestServlet(ClientV1RestServlet):
     """Post request to allow an administrator reset password for a user.
     This need a user have a administrator access in Synapse.
@@ -353,3 +490,5 @@ def register_servlets(hs, http_server):
     ResetPasswordRestServlet(hs).register(http_server)
     GetUsersPaginatedRestServlet(hs).register(http_server)
     SearchUsersRestServlet(hs).register(http_server)
+    ShutdownRoomRestServlet(hs).register(http_server)
+    QuarantineMediaInRoom(hs).register(http_server)
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index 771e127ab9..83e209d18f 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -192,6 +192,7 @@ class SyncRestServlet(RestServlet):
                 "invite": invited,
                 "leave": archived,
             },
+            "device_one_time_keys_count": sync_result.device_one_time_keys_count,
             "next_batch": sync_result.next_batch.to_string(),
         }
 
diff --git a/synapse/rest/client/v2_alpha/user_directory.py b/synapse/rest/client/v2_alpha/user_directory.py
new file mode 100644
index 0000000000..6e012da4aa
--- /dev/null
+++ b/synapse/rest/client/v2_alpha/user_directory.py
@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+# Copyright 2017 Vector Creations 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 logging
+
+from twisted.internet import defer
+
+from synapse.api.errors import SynapseError
+from synapse.http.servlet import RestServlet, parse_json_object_from_request
+from ._base import client_v2_patterns
+
+logger = logging.getLogger(__name__)
+
+
+class UserDirectorySearchRestServlet(RestServlet):
+    PATTERNS = client_v2_patterns("/user_directory/search$")
+
+    def __init__(self, hs):
+        """
+        Args:
+            hs (synapse.server.HomeServer): server
+        """
+        super(UserDirectorySearchRestServlet, self).__init__()
+        self.hs = hs
+        self.auth = hs.get_auth()
+        self.user_directory_handler = hs.get_user_directory_handler()
+
+    @defer.inlineCallbacks
+    def on_POST(self, request):
+        """Searches for users in directory
+
+        Returns:
+            dict of the form::
+
+                {
+                    "limited": <bool>,  # whether there were more results or not
+                    "results": [  # Ordered by best match first
+                        {
+                            "user_id": <user_id>,
+                            "display_name": <display_name>,
+                            "avatar_url": <avatar_url>
+                        }
+                    ]
+                }
+        """
+        requester = yield self.auth.get_user_by_req(request, allow_guest=False)
+        user_id = requester.user.to_string()
+
+        body = parse_json_object_from_request(request)
+
+        limit = body.get("limit", 10)
+        limit = min(limit, 50)
+
+        try:
+            search_term = body["search_term"]
+        except:
+            raise SynapseError(400, "`search_term` is required field")
+
+        results = yield self.user_directory_handler.search_users(
+            user_id, search_term, limit,
+        )
+
+        defer.returnValue((200, results))
+
+
+def register_servlets(hs, http_server):
+    UserDirectorySearchRestServlet(hs).register(http_server)
diff --git a/synapse/rest/media/v1/download_resource.py b/synapse/rest/media/v1/download_resource.py
index 6788375e85..6879249c8a 100644
--- a/synapse/rest/media/v1/download_resource.py
+++ b/synapse/rest/media/v1/download_resource.py
@@ -66,14 +66,19 @@ class DownloadResource(Resource):
     @defer.inlineCallbacks
     def _respond_local_file(self, request, media_id, name):
         media_info = yield self.store.get_local_media(media_id)
-        if not media_info:
+        if not media_info or media_info["quarantined_by"]:
             respond_404(request)
             return
 
         media_type = media_info["media_type"]
         media_length = media_info["media_length"]
         upload_name = name if name else media_info["upload_name"]
-        file_path = self.filepaths.local_media_filepath(media_id)
+        if media_info["url_cache"]:
+            # TODO: Check the file still exists, if it doesn't we can redownload
+            # it from the url `media_info["url_cache"]`
+            file_path = self.filepaths.url_cache_filepath(media_id)
+        else:
+            file_path = self.filepaths.local_media_filepath(media_id)
 
         yield respond_with_file(
             request, media_type, file_path, media_length,
diff --git a/synapse/rest/media/v1/filepath.py b/synapse/rest/media/v1/filepath.py
index 0137458f71..d92b7ff337 100644
--- a/synapse/rest/media/v1/filepath.py
+++ b/synapse/rest/media/v1/filepath.py
@@ -71,3 +71,21 @@ class MediaFilePaths(object):
             self.base_path, "remote_thumbnail", server_name,
             file_id[0:2], file_id[2:4], file_id[4:],
         )
+
+    def url_cache_filepath(self, media_id):
+        return os.path.join(
+            self.base_path, "url_cache",
+            media_id[0:2], media_id[2:4], media_id[4:]
+        )
+
+    def url_cache_thumbnail(self, media_id, width, height, content_type,
+                            method):
+        top_level_type, sub_type = content_type.split("/")
+        file_name = "%i-%i-%s-%s-%s" % (
+            width, height, top_level_type, sub_type, method
+        )
+        return os.path.join(
+            self.base_path, "url_cache_thumbnails",
+            media_id[0:2], media_id[2:4], media_id[4:],
+            file_name
+        )
diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py
index caca96c222..0ea1248ce6 100644
--- a/synapse/rest/media/v1/media_repository.py
+++ b/synapse/rest/media/v1/media_repository.py
@@ -135,6 +135,8 @@ class MediaRepository(object):
             media_info = yield self._download_remote_file(
                 server_name, media_id
             )
+        elif media_info["quarantined_by"]:
+            raise NotFoundError()
         else:
             self.recently_accessed_remotes.add((server_name, media_id))
             yield self.store.update_cached_last_access_time(
@@ -184,6 +186,7 @@ class MediaRepository(object):
                     raise
                 except NotRetryingDestination:
                     logger.warn("Not retrying destination %r", server_name)
+                    raise SynapseError(502, "Failed to fetch remote media")
                 except Exception:
                     logger.exception("Failed to fetch remote media %s/%s",
                                      server_name, media_id)
@@ -323,13 +326,17 @@ class MediaRepository(object):
             defer.returnValue(t_path)
 
     @defer.inlineCallbacks
-    def _generate_local_thumbnails(self, media_id, media_info):
+    def _generate_local_thumbnails(self, media_id, media_info, url_cache=False):
         media_type = media_info["media_type"]
         requirements = self._get_thumbnail_requirements(media_type)
         if not requirements:
             return
 
-        input_path = self.filepaths.local_media_filepath(media_id)
+        if url_cache:
+            input_path = self.filepaths.url_cache_filepath(media_id)
+        else:
+            input_path = self.filepaths.local_media_filepath(media_id)
+
         thumbnailer = Thumbnailer(input_path)
         m_width = thumbnailer.width
         m_height = thumbnailer.height
@@ -357,9 +364,14 @@ class MediaRepository(object):
 
             for t_width, t_height, t_type in scales:
                 t_method = "scale"
-                t_path = self.filepaths.local_media_thumbnail(
-                    media_id, t_width, t_height, t_type, t_method
-                )
+                if url_cache:
+                    t_path = self.filepaths.url_cache_thumbnail(
+                        media_id, t_width, t_height, t_type, t_method
+                    )
+                else:
+                    t_path = self.filepaths.local_media_thumbnail(
+                        media_id, t_width, t_height, t_type, t_method
+                    )
                 self._makedirs(t_path)
                 t_len = thumbnailer.scale(t_path, t_width, t_height, t_type)
 
@@ -374,9 +386,14 @@ class MediaRepository(object):
                     # thumbnail.
                     continue
                 t_method = "crop"
-                t_path = self.filepaths.local_media_thumbnail(
-                    media_id, t_width, t_height, t_type, t_method
-                )
+                if url_cache:
+                    t_path = self.filepaths.url_cache_thumbnail(
+                        media_id, t_width, t_height, t_type, t_method
+                    )
+                else:
+                    t_path = self.filepaths.local_media_thumbnail(
+                        media_id, t_width, t_height, t_type, t_method
+                    )
                 self._makedirs(t_path)
                 t_len = thumbnailer.crop(t_path, t_width, t_height, t_type)
                 local_thumbnails.append((
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py
index 99760d622f..b81a336c5d 100644
--- a/synapse/rest/media/v1/preview_url_resource.py
+++ b/synapse/rest/media/v1/preview_url_resource.py
@@ -164,7 +164,7 @@ class PreviewUrlResource(Resource):
 
         if _is_media(media_info['media_type']):
             dims = yield self.media_repo._generate_local_thumbnails(
-                media_info['filesystem_id'], media_info
+                media_info['filesystem_id'], media_info, url_cache=True,
             )
 
             og = {
@@ -210,7 +210,7 @@ class PreviewUrlResource(Resource):
                 if _is_media(image_info['media_type']):
                     # TODO: make sure we don't choke on white-on-transparent images
                     dims = yield self.media_repo._generate_local_thumbnails(
-                        image_info['filesystem_id'], image_info
+                        image_info['filesystem_id'], image_info, url_cache=True,
                     )
                     if dims:
                         og["og:image:width"] = dims['width']
@@ -256,7 +256,7 @@ class PreviewUrlResource(Resource):
         # XXX: horrible duplication with base_resource's _download_remote_file()
         file_id = random_string(24)
 
-        fname = self.filepaths.local_media_filepath(file_id)
+        fname = self.filepaths.url_cache_filepath(file_id)
         self.media_repo._makedirs(fname)
 
         try:
@@ -303,6 +303,7 @@ class PreviewUrlResource(Resource):
                 upload_name=download_name,
                 media_length=length,
                 user_id=user,
+                url_cache=url,
             )
 
         except Exception as e:
@@ -434,6 +435,8 @@ def _calc_og(tree, media_uri):
                 for el in _iterate_over_text(tree.find("body"), *TAGS_TO_REMOVE)
             )
             og['og:description'] = summarize_paragraphs(text_nodes)
+    else:
+        og['og:description'] = summarize_paragraphs([og['og:description']])
 
     # TODO: delete the url downloads to stop diskfilling,
     # as we only ever cared about its OG
diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py
index d8f54adc99..68d56b2b10 100644
--- a/synapse/rest/media/v1/thumbnail_resource.py
+++ b/synapse/rest/media/v1/thumbnail_resource.py
@@ -81,7 +81,7 @@ class ThumbnailResource(Resource):
                                  method, m_type):
         media_info = yield self.store.get_local_media(media_id)
 
-        if not media_info:
+        if not media_info or media_info["quarantined_by"]:
             respond_404(request)
             return
 
@@ -101,9 +101,16 @@ class ThumbnailResource(Resource):
             t_type = thumbnail_info["thumbnail_type"]
             t_method = thumbnail_info["thumbnail_method"]
 
-            file_path = self.filepaths.local_media_thumbnail(
-                media_id, t_width, t_height, t_type, t_method,
-            )
+            if media_info["url_cache"]:
+                # TODO: Check the file still exists, if it doesn't we can redownload
+                # it from the url `media_info["url_cache"]`
+                file_path = self.filepaths.url_cache_thumbnail(
+                    media_id, t_width, t_height, t_type, t_method,
+                )
+            else:
+                file_path = self.filepaths.local_media_thumbnail(
+                    media_id, t_width, t_height, t_type, t_method,
+                )
             yield respond_with_file(request, t_type, file_path)
 
         else:
@@ -117,7 +124,7 @@ class ThumbnailResource(Resource):
                                             desired_type):
         media_info = yield self.store.get_local_media(media_id)
 
-        if not media_info:
+        if not media_info or media_info["quarantined_by"]:
             respond_404(request)
             return
 
@@ -134,9 +141,18 @@ class ThumbnailResource(Resource):
             t_type = info["thumbnail_type"] == desired_type
 
             if t_w and t_h and t_method and t_type:
-                file_path = self.filepaths.local_media_thumbnail(
-                    media_id, desired_width, desired_height, desired_type, desired_method,
-                )
+                if media_info["url_cache"]:
+                    # TODO: Check the file still exists, if it doesn't we can redownload
+                    # it from the url `media_info["url_cache"]`
+                    file_path = self.filepaths.url_cache_thumbnail(
+                        media_id, desired_width, desired_height, desired_type,
+                        desired_method,
+                    )
+                else:
+                    file_path = self.filepaths.local_media_thumbnail(
+                        media_id, desired_width, desired_height, desired_type,
+                        desired_method,
+                    )
                 yield respond_with_file(request, desired_type, file_path)
                 return