diff options
Diffstat (limited to 'synapse/media/v1/thumbnail_resource.py')
| -rw-r--r-- | synapse/media/v1/thumbnail_resource.py | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/synapse/media/v1/thumbnail_resource.py b/synapse/media/v1/thumbnail_resource.py deleted file mode 100644 index 84f5e3463c..0000000000 --- a/synapse/media/v1/thumbnail_resource.py +++ /dev/null @@ -1,193 +0,0 @@ -# -*- coding: utf-8 -*- -# Copyright 2014, 2015 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. - - -from .base_resource import BaseMediaResource - -from twisted.web.server import NOT_DONE_YET -from twisted.internet import defer - -import logging - -logger = logging.getLogger(__name__) - - -class ThumbnailResource(BaseMediaResource): - isLeaf = True - - def render_GET(self, request): - self._async_render_GET(request) - return NOT_DONE_YET - - @BaseMediaResource.catch_errors - @defer.inlineCallbacks - def _async_render_GET(self, request): - server_name, media_id = self._parse_media_id(request) - width = self._parse_integer(request, "width") - height = self._parse_integer(request, "height") - method = self._parse_string(request, "method", "scale") - m_type = self._parse_string(request, "type", "image/png") - - if server_name == self.server_name: - yield self._respond_local_thumbnail( - request, media_id, width, height, method, m_type - ) - else: - yield self._respond_remote_thumbnail( - request, server_name, media_id, - width, height, method, m_type - ) - - @defer.inlineCallbacks - def _respond_local_thumbnail(self, request, media_id, width, height, - method, m_type): - media_info = yield self.store.get_local_media(media_id) - - if not media_info: - self._respond_404(request) - return - - thumbnail_infos = yield self.store.get_local_media_thumbnails(media_id) - - if thumbnail_infos: - thumbnail_info = self._select_thumbnail( - width, height, method, m_type, thumbnail_infos - ) - t_width = thumbnail_info["thumbnail_width"] - t_height = thumbnail_info["thumbnail_height"] - 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, - ) - yield self._respond_with_file(request, t_type, file_path) - - else: - yield self._respond_default_thumbnail( - request, media_info, width, height, method, m_type, - ) - - @defer.inlineCallbacks - def _respond_remote_thumbnail(self, request, server_name, media_id, width, - height, method, m_type): - # TODO: Don't download the whole remote file - # We should proxy the thumbnail from the remote server instead. - media_info = yield self._get_remote_media(server_name, media_id) - - thumbnail_infos = yield self.store.get_remote_media_thumbnails( - server_name, media_id, - ) - - if thumbnail_infos: - thumbnail_info = self._select_thumbnail( - width, height, method, m_type, thumbnail_infos - ) - t_width = thumbnail_info["thumbnail_width"] - t_height = thumbnail_info["thumbnail_height"] - t_type = thumbnail_info["thumbnail_type"] - t_method = thumbnail_info["thumbnail_method"] - file_id = thumbnail_info["filesystem_id"] - t_length = thumbnail_info["thumbnail_length"] - - file_path = self.filepaths.remote_media_thumbnail( - server_name, file_id, t_width, t_height, t_type, t_method, - ) - yield self._respond_with_file(request, t_type, file_path, t_length) - else: - yield self._respond_default_thumbnail( - request, media_info, width, height, method, m_type, - ) - - @defer.inlineCallbacks - def _respond_default_thumbnail(self, request, media_info, width, height, - method, m_type): - media_type = media_info["media_type"] - top_level_type = media_type.split("/")[0] - sub_type = media_type.split("/")[-1].split(";")[0] - thumbnail_infos = yield self.store.get_default_thumbnails( - top_level_type, sub_type, - ) - if not thumbnail_infos: - thumbnail_infos = yield self.store.get_default_thumbnails( - top_level_type, "_default", - ) - if not thumbnail_infos: - thumbnail_infos = yield self.store.get_default_thumbnails( - "_default", "_default", - ) - if not thumbnail_infos: - self._respond_404(request) - return - - thumbnail_info = self._select_thumbnail( - width, height, "crop", m_type, thumbnail_infos - ) - - t_width = thumbnail_info["thumbnail_width"] - t_height = thumbnail_info["thumbnail_height"] - t_type = thumbnail_info["thumbnail_type"] - t_method = thumbnail_info["thumbnail_method"] - t_length = thumbnail_info["thumbnail_length"] - - file_path = self.filepaths.default_thumbnail( - top_level_type, sub_type, t_width, t_height, t_type, t_method, - ) - yield self.respond_with_file(request, t_type, file_path, t_length) - - def _select_thumbnail(self, desired_width, desired_height, desired_method, - desired_type, thumbnail_infos): - d_w = desired_width - d_h = desired_height - - if desired_method.lower() == "crop": - info_list = [] - for info in thumbnail_infos: - t_w = info["thumbnail_width"] - t_h = info["thumbnail_height"] - t_method = info["thumbnail_method"] - if t_method == "scale" or t_method == "crop": - aspect_quality = abs(d_w * t_h - d_h * t_w) - size_quality = abs((d_w - t_w) * (d_h - t_h)) - type_quality = desired_type != info["thumbnail_type"] - length_quality = info["thumbnail_length"] - info_list.append(( - aspect_quality, size_quality, type_quality, - length_quality, info - )) - if info_list: - return min(info_list)[-1] - else: - info_list = [] - info_list2 = [] - for info in thumbnail_infos: - t_w = info["thumbnail_width"] - t_h = info["thumbnail_height"] - t_method = info["thumbnail_method"] - size_quality = abs((d_w - t_w) * (d_h - t_h)) - type_quality = desired_type != info["thumbnail_type"] - length_quality = info["thumbnail_length"] - if t_method == "scale" and (t_w >= d_w or t_h >= d_h): - info_list.append(( - size_quality, type_quality, length_quality, info - )) - elif t_method == "scale": - info_list2.append(( - size_quality, type_quality, length_quality, info - )) - if info_list: - return min(info_list)[-1] - else: - return min(info_list2)[-1] |