mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-12-25 21:39:26 -05:00
Move MediaRepository to media_repository module
This commit is contained in:
Erik Johnston
parent
43f0941e8f
commit
0c93df89b6
110
synapse/rest/media/v1/_base.py
Normal file
110
synapse/rest/media/v1/_base.py
Normal file
@ -0,0 +1,110 @@
|
||||
# -*- 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.
|
||||
|
||||
from synapse.http.server import respond_with_json, finish_request
|
||||
from synapse.api.errors import (
|
||||
cs_error, Codes, SynapseError
|
||||
)
|
||||
|
||||
from twisted.internet import defer
|
||||
from twisted.protocols.basic import FileSender
|
||||
|
||||
from synapse.util.stringutils import is_ascii
|
||||
|
||||
import os
|
||||
|
||||
import logging
|
||||
import urllib
|
||||
import urlparse
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
def parse_media_id(request):
|
||||
try:
|
||||
# This allows users to append e.g. /test.png to the URL. Useful for
|
||||
# clients that parse the URL to see content type.
|
||||
server_name, media_id = request.postpath[:2]
|
||||
file_name = None
|
||||
if len(request.postpath) > 2:
|
||||
try:
|
||||
file_name = urlparse.unquote(request.postpath[-1]).decode("utf-8")
|
||||
except UnicodeDecodeError:
|
||||
pass
|
||||
return server_name, media_id, file_name
|
||||
except:
|
||||
raise SynapseError(
|
||||
404,
|
||||
"Invalid media id token %r" % (request.postpath,),
|
||||
Codes.UNKNOWN,
|
||||
)
|
||||
|
||||
|
||||
def respond_404(request):
|
||||
respond_with_json(
|
||||
request, 404,
|
||||
cs_error(
|
||||
"Not found %r" % (request.postpath,),
|
||||
code=Codes.NOT_FOUND,
|
||||
),
|
||||
send_cors=True
|
||||
)
|
||||
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def respond_with_file(request, media_type, file_path,
|
||||
file_size=None, upload_name=None):
|
||||
logger.debug("Responding with %r", file_path)
|
||||
|
||||
if os.path.isfile(file_path):
|
||||
request.setHeader(b"Content-Type", media_type.encode("UTF-8"))
|
||||
if upload_name:
|
||||
if is_ascii(upload_name):
|
||||
request.setHeader(
|
||||
b"Content-Disposition",
|
||||
b"inline; filename=%s" % (
|
||||
urllib.quote(upload_name.encode("utf-8")),
|
||||
),
|
||||
)
|
||||
else:
|
||||
request.setHeader(
|
||||
b"Content-Disposition",
|
||||
b"inline; filename*=utf-8''%s" % (
|
||||
urllib.quote(upload_name.encode("utf-8")),
|
||||
),
|
||||
)
|
||||
|
||||
# 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
|
||||
# clients are smart enough to be happy with Cache-Control
|
||||
request.setHeader(
|
||||
b"Cache-Control", b"public,max-age=86400,s-maxage=86400"
|
||||
)
|
||||
if file_size is None:
|
||||
stat = os.stat(file_path)
|
||||
file_size = stat.st_size
|
||||
|
||||
request.setHeader(
|
||||
b"Content-Length", b"%d" % (file_size,)
|
||||
)
|
||||
|
||||
with open(file_path, "rb") as f:
|
||||
yield FileSender().beginFileTransfer(f, request)
|
||||
|
||||
finish_request(request)
|
||||
else:
|
||||
respond_404(request)
|
||||
@ -1,486 +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.
|
||||
|
||||
from .thumbnailer import Thumbnailer
|
||||
|
||||
from synapse.http.matrixfederationclient import MatrixFederationHttpClient
|
||||
from synapse.http.server import respond_with_json, finish_request
|
||||
from synapse.util.stringutils import random_string
|
||||
from synapse.api.errors import (
|
||||
cs_error, Codes, SynapseError
|
||||
)
|
||||
|
||||
from twisted.internet import defer, threads
|
||||
from twisted.protocols.basic import FileSender
|
||||
|
||||
from synapse.util.async import ObservableDeferred
|
||||
from synapse.util.stringutils import is_ascii
|
||||
from synapse.util.logcontext import preserve_context_over_fn
|
||||
|
||||
import os
|
||||
|
||||
import cgi
|
||||
import logging
|
||||
import urllib
|
||||
import urlparse
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
def parse_media_id(request):
|
||||
try:
|
||||
# This allows users to append e.g. /test.png to the URL. Useful for
|
||||
# clients that parse the URL to see content type.
|
||||
server_name, media_id = request.postpath[:2]
|
||||
file_name = None
|
||||
if len(request.postpath) > 2:
|
||||
try:
|
||||
file_name = urlparse.unquote(request.postpath[-1]).decode("utf-8")
|
||||
except UnicodeDecodeError:
|
||||
pass
|
||||
return server_name, media_id, file_name
|
||||
except:
|
||||
raise SynapseError(
|
||||
404,
|
||||
"Invalid media id token %r" % (request.postpath,),
|
||||
Codes.UNKNOWN,
|
||||
)
|
||||
|
||||
|
||||
def respond_404(request):
|
||||
respond_with_json(
|
||||
request, 404,
|
||||
cs_error(
|
||||
"Not found %r" % (request.postpath,),
|
||||
code=Codes.NOT_FOUND,
|
||||
),
|
||||
send_cors=True
|
||||
)
|
||||
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def respond_with_file(request, media_type, file_path,
|
||||
file_size=None, upload_name=None):
|
||||
logger.debug("Responding with %r", file_path)
|
||||
|
||||
if os.path.isfile(file_path):
|
||||
request.setHeader(b"Content-Type", media_type.encode("UTF-8"))
|
||||
if upload_name:
|
||||
if is_ascii(upload_name):
|
||||
request.setHeader(
|
||||
b"Content-Disposition",
|
||||
b"inline; filename=%s" % (
|
||||
urllib.quote(upload_name.encode("utf-8")),
|
||||
),
|
||||
)
|
||||
else:
|
||||
request.setHeader(
|
||||
b"Content-Disposition",
|
||||
b"inline; filename*=utf-8''%s" % (
|
||||
urllib.quote(upload_name.encode("utf-8")),
|
||||
),
|
||||
)
|
||||
|
||||
# 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
|
||||
# clients are smart enough to be happy with Cache-Control
|
||||
request.setHeader(
|
||||
b"Cache-Control", b"public,max-age=86400,s-maxage=86400"
|
||||
)
|
||||
if file_size is None:
|
||||
stat = os.stat(file_path)
|
||||
file_size = stat.st_size
|
||||
|
||||
request.setHeader(
|
||||
b"Content-Length", b"%d" % (file_size,)
|
||||
)
|
||||
|
||||
with open(file_path, "rb") as f:
|
||||
yield FileSender().beginFileTransfer(f, request)
|
||||
|
||||
finish_request(request)
|
||||
else:
|
||||
respond_404(request)
|
||||
|
||||
|
||||
class MediaRepository(object):
|
||||
def __init__(self, hs, filepaths):
|
||||
self.auth = hs.get_auth()
|
||||
self.client = MatrixFederationHttpClient(hs)
|
||||
self.clock = hs.get_clock()
|
||||
self.server_name = hs.hostname
|
||||
self.store = hs.get_datastore()
|
||||
self.max_upload_size = hs.config.max_upload_size
|
||||
self.max_image_pixels = hs.config.max_image_pixels
|
||||
self.filepaths = filepaths
|
||||
self.downloads = {}
|
||||
self.dynamic_thumbnails = hs.config.dynamic_thumbnails
|
||||
self.thumbnail_requirements = hs.config.thumbnail_requirements
|
||||
|
||||
@staticmethod
|
||||
def _makedirs(filepath):
|
||||
dirname = os.path.dirname(filepath)
|
||||
if not os.path.exists(dirname):
|
||||
os.makedirs(dirname)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def create_content(self, media_type, upload_name, content, content_length,
|
||||
auth_user):
|
||||
media_id = random_string(24)
|
||||
|
||||
fname = self.filepaths.local_media_filepath(media_id)
|
||||
self._makedirs(fname)
|
||||
|
||||
# This shouldn't block for very long because the content will have
|
||||
# already been uploaded at this point.
|
||||
with open(fname, "wb") as f:
|
||||
f.write(content)
|
||||
|
||||
yield self.store.store_local_media(
|
||||
media_id=media_id,
|
||||
media_type=media_type,
|
||||
time_now_ms=self.clock.time_msec(),
|
||||
upload_name=upload_name,
|
||||
media_length=content_length,
|
||||
user_id=auth_user,
|
||||
)
|
||||
media_info = {
|
||||
"media_type": media_type,
|
||||
"media_length": content_length,
|
||||
}
|
||||
|
||||
yield self._generate_local_thumbnails(media_id, media_info)
|
||||
|
||||
defer.returnValue("mxc://%s/%s" % (self.server_name, media_id))
|
||||
|
||||
def get_remote_media(self, server_name, media_id):
|
||||
key = (server_name, media_id)
|
||||
download = self.downloads.get(key)
|
||||
if download is None:
|
||||
download = self._get_remote_media_impl(server_name, media_id)
|
||||
download = ObservableDeferred(
|
||||
download,
|
||||
consumeErrors=True
|
||||
)
|
||||
self.downloads[key] = download
|
||||
|
||||
@download.addBoth
|
||||
def callback(media_info):
|
||||
del self.downloads[key]
|
||||
return media_info
|
||||
return download.observe()
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _get_remote_media_impl(self, server_name, media_id):
|
||||
media_info = yield self.store.get_cached_remote_media(
|
||||
server_name, media_id
|
||||
)
|
||||
if not media_info:
|
||||
media_info = yield self._download_remote_file(
|
||||
server_name, media_id
|
||||
)
|
||||
defer.returnValue(media_info)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _download_remote_file(self, server_name, media_id):
|
||||
file_id = random_string(24)
|
||||
|
||||
fname = self.filepaths.remote_media_filepath(
|
||||
server_name, file_id
|
||||
)
|
||||
self._makedirs(fname)
|
||||
|
||||
try:
|
||||
with open(fname, "wb") as f:
|
||||
request_path = "/".join((
|
||||
"/_matrix/media/v1/download", server_name, media_id,
|
||||
))
|
||||
length, headers = yield self.client.get_file(
|
||||
server_name, request_path, output_stream=f,
|
||||
max_size=self.max_upload_size,
|
||||
)
|
||||
media_type = headers["Content-Type"][0]
|
||||
time_now_ms = self.clock.time_msec()
|
||||
|
||||
content_disposition = headers.get("Content-Disposition", None)
|
||||
if content_disposition:
|
||||
_, params = cgi.parse_header(content_disposition[0],)
|
||||
upload_name = None
|
||||
|
||||
# First check if there is a valid UTF-8 filename
|
||||
upload_name_utf8 = params.get("filename*", None)
|
||||
if upload_name_utf8:
|
||||
if upload_name_utf8.lower().startswith("utf-8''"):
|
||||
upload_name = upload_name_utf8[7:]
|
||||
|
||||
# If there isn't check for an ascii name.
|
||||
if not upload_name:
|
||||
upload_name_ascii = params.get("filename", None)
|
||||
if upload_name_ascii and is_ascii(upload_name_ascii):
|
||||
upload_name = upload_name_ascii
|
||||
|
||||
if upload_name:
|
||||
upload_name = urlparse.unquote(upload_name)
|
||||
try:
|
||||
upload_name = upload_name.decode("utf-8")
|
||||
except UnicodeDecodeError:
|
||||
upload_name = None
|
||||
else:
|
||||
upload_name = None
|
||||
|
||||
yield self.store.store_cached_remote_media(
|
||||
origin=server_name,
|
||||
media_id=media_id,
|
||||
media_type=media_type,
|
||||
time_now_ms=self.clock.time_msec(),
|
||||
upload_name=upload_name,
|
||||
media_length=length,
|
||||
filesystem_id=file_id,
|
||||
)
|
||||
except:
|
||||
os.remove(fname)
|
||||
raise
|
||||
|
||||
media_info = {
|
||||
"media_type": media_type,
|
||||
"media_length": length,
|
||||
"upload_name": upload_name,
|
||||
"created_ts": time_now_ms,
|
||||
"filesystem_id": file_id,
|
||||
}
|
||||
|
||||
yield self._generate_remote_thumbnails(
|
||||
server_name, media_id, media_info
|
||||
)
|
||||
|
||||
defer.returnValue(media_info)
|
||||
|
||||
def _get_thumbnail_requirements(self, media_type):
|
||||
return self.thumbnail_requirements.get(media_type, ())
|
||||
|
||||
def _generate_thumbnail(self, input_path, t_path, t_width, t_height,
|
||||
t_method, t_type):
|
||||
thumbnailer = Thumbnailer(input_path)
|
||||
m_width = thumbnailer.width
|
||||
m_height = thumbnailer.height
|
||||
|
||||
if m_width * m_height >= self.max_image_pixels:
|
||||
logger.info(
|
||||
"Image too large to thumbnail %r x %r > %r",
|
||||
m_width, m_height, self.max_image_pixels
|
||||
)
|
||||
return
|
||||
|
||||
if t_method == "crop":
|
||||
t_len = thumbnailer.crop(t_path, t_width, t_height, t_type)
|
||||
elif t_method == "scale":
|
||||
t_len = thumbnailer.scale(t_path, t_width, t_height, t_type)
|
||||
else:
|
||||
t_len = None
|
||||
|
||||
return t_len
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def generate_local_exact_thumbnail(self, media_id, t_width, t_height,
|
||||
t_method, t_type):
|
||||
input_path = self.filepaths.local_media_filepath(media_id)
|
||||
|
||||
t_path = self.filepaths.local_media_thumbnail(
|
||||
media_id, t_width, t_height, t_type, t_method
|
||||
)
|
||||
self._makedirs(t_path)
|
||||
|
||||
t_len = yield preserve_context_over_fn(
|
||||
threads.deferToThread,
|
||||
self._generate_thumbnail,
|
||||
input_path, t_path, t_width, t_height, t_method, t_type
|
||||
)
|
||||
|
||||
if t_len:
|
||||
yield self.store.store_local_thumbnail(
|
||||
media_id, t_width, t_height, t_type, t_method, t_len
|
||||
)
|
||||
|
||||
defer.returnValue(t_path)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def generate_remote_exact_thumbnail(self, server_name, file_id, media_id,
|
||||
t_width, t_height, t_method, t_type):
|
||||
input_path = self.filepaths.remote_media_filepath(server_name, file_id)
|
||||
|
||||
t_path = self.filepaths.remote_media_thumbnail(
|
||||
server_name, file_id, t_width, t_height, t_type, t_method
|
||||
)
|
||||
self._makedirs(t_path)
|
||||
|
||||
t_len = yield preserve_context_over_fn(
|
||||
threads.deferToThread,
|
||||
self._generate_thumbnail,
|
||||
input_path, t_path, t_width, t_height, t_method, t_type
|
||||
)
|
||||
|
||||
if t_len:
|
||||
yield self.store.store_remote_media_thumbnail(
|
||||
server_name, media_id, file_id,
|
||||
t_width, t_height, t_type, t_method, t_len
|
||||
)
|
||||
|
||||
defer.returnValue(t_path)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _generate_local_thumbnails(self, media_id, media_info):
|
||||
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)
|
||||
thumbnailer = Thumbnailer(input_path)
|
||||
m_width = thumbnailer.width
|
||||
m_height = thumbnailer.height
|
||||
|
||||
if m_width * m_height >= self.max_image_pixels:
|
||||
logger.info(
|
||||
"Image too large to thumbnail %r x %r > %r",
|
||||
m_width, m_height, self.max_image_pixels
|
||||
)
|
||||
return
|
||||
|
||||
local_thumbnails = []
|
||||
|
||||
def generate_thumbnails():
|
||||
scales = set()
|
||||
crops = set()
|
||||
for r_width, r_height, r_method, r_type in requirements:
|
||||
if r_method == "scale":
|
||||
t_width, t_height = thumbnailer.aspect(r_width, r_height)
|
||||
scales.add((
|
||||
min(m_width, t_width), min(m_height, t_height), r_type,
|
||||
))
|
||||
elif r_method == "crop":
|
||||
crops.add((r_width, r_height, r_type))
|
||||
|
||||
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
|
||||
)
|
||||
self._makedirs(t_path)
|
||||
t_len = thumbnailer.scale(t_path, t_width, t_height, t_type)
|
||||
|
||||
local_thumbnails.append((
|
||||
media_id, t_width, t_height, t_type, t_method, t_len
|
||||
))
|
||||
|
||||
for t_width, t_height, t_type in crops:
|
||||
if (t_width, t_height, t_type) in scales:
|
||||
# If the aspect ratio of the cropped thumbnail matches a purely
|
||||
# scaled one then there is no point in calculating a separate
|
||||
# thumbnail.
|
||||
continue
|
||||
t_method = "crop"
|
||||
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((
|
||||
media_id, t_width, t_height, t_type, t_method, t_len
|
||||
))
|
||||
|
||||
yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails)
|
||||
|
||||
for l in local_thumbnails:
|
||||
yield self.store.store_local_thumbnail(*l)
|
||||
|
||||
defer.returnValue({
|
||||
"width": m_width,
|
||||
"height": m_height,
|
||||
})
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _generate_remote_thumbnails(self, server_name, media_id, media_info):
|
||||
media_type = media_info["media_type"]
|
||||
file_id = media_info["filesystem_id"]
|
||||
requirements = self._get_thumbnail_requirements(media_type)
|
||||
if not requirements:
|
||||
return
|
||||
|
||||
remote_thumbnails = []
|
||||
|
||||
input_path = self.filepaths.remote_media_filepath(server_name, file_id)
|
||||
thumbnailer = Thumbnailer(input_path)
|
||||
m_width = thumbnailer.width
|
||||
m_height = thumbnailer.height
|
||||
|
||||
def generate_thumbnails():
|
||||
if m_width * m_height >= self.max_image_pixels:
|
||||
logger.info(
|
||||
"Image too large to thumbnail %r x %r > %r",
|
||||
m_width, m_height, self.max_image_pixels
|
||||
)
|
||||
return
|
||||
|
||||
scales = set()
|
||||
crops = set()
|
||||
for r_width, r_height, r_method, r_type in requirements:
|
||||
if r_method == "scale":
|
||||
t_width, t_height = thumbnailer.aspect(r_width, r_height)
|
||||
scales.add((
|
||||
min(m_width, t_width), min(m_height, t_height), r_type,
|
||||
))
|
||||
elif r_method == "crop":
|
||||
crops.add((r_width, r_height, r_type))
|
||||
|
||||
for t_width, t_height, t_type in scales:
|
||||
t_method = "scale"
|
||||
t_path = self.filepaths.remote_media_thumbnail(
|
||||
server_name, file_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)
|
||||
remote_thumbnails.append([
|
||||
server_name, media_id, file_id,
|
||||
t_width, t_height, t_type, t_method, t_len
|
||||
])
|
||||
|
||||
for t_width, t_height, t_type in crops:
|
||||
if (t_width, t_height, t_type) in scales:
|
||||
# If the aspect ratio of the cropped thumbnail matches a purely
|
||||
# scaled one then there is no point in calculating a separate
|
||||
# thumbnail.
|
||||
continue
|
||||
t_method = "crop"
|
||||
t_path = self.filepaths.remote_media_thumbnail(
|
||||
server_name, file_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)
|
||||
remote_thumbnails.append([
|
||||
server_name, media_id, file_id,
|
||||
t_width, t_height, t_type, t_method, t_len
|
||||
])
|
||||
|
||||
yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails)
|
||||
|
||||
for r in remote_thumbnails:
|
||||
yield self.store.store_remote_media_thumbnail(*r)
|
||||
|
||||
defer.returnValue({
|
||||
"width": m_width,
|
||||
"height": m_height,
|
||||
})
|
||||
@ -13,7 +13,7 @@
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
from .base_resource import parse_media_id, respond_with_file, respond_404
|
||||
from ._base import parse_media_id, respond_with_file, respond_404
|
||||
from twisted.web.resource import Resource
|
||||
from synapse.http.server import request_handler
|
||||
|
||||
|
||||
@ -13,7 +13,6 @@
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
from .base_resource import MediaRepository
|
||||
from .upload_resource import UploadResource
|
||||
from .download_resource import DownloadResource
|
||||
from .thumbnail_resource import ThumbnailResource
|
||||
@ -23,11 +22,395 @@ from .filepath import MediaFilePaths
|
||||
|
||||
from twisted.web.resource import Resource
|
||||
|
||||
from .thumbnailer import Thumbnailer
|
||||
|
||||
from synapse.http.matrixfederationclient import MatrixFederationHttpClient
|
||||
from synapse.util.stringutils import random_string
|
||||
|
||||
from twisted.internet import defer, threads
|
||||
|
||||
from synapse.util.async import ObservableDeferred
|
||||
from synapse.util.stringutils import is_ascii
|
||||
from synapse.util.logcontext import preserve_context_over_fn
|
||||
|
||||
import os
|
||||
|
||||
import cgi
|
||||
import logging
|
||||
import urlparse
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
class MediaRepository(object):
|
||||
def __init__(self, hs, filepaths):
|
||||
self.auth = hs.get_auth()
|
||||
self.client = MatrixFederationHttpClient(hs)
|
||||
self.clock = hs.get_clock()
|
||||
self.server_name = hs.hostname
|
||||
self.store = hs.get_datastore()
|
||||
self.max_upload_size = hs.config.max_upload_size
|
||||
self.max_image_pixels = hs.config.max_image_pixels
|
||||
self.filepaths = filepaths
|
||||
self.downloads = {}
|
||||
self.dynamic_thumbnails = hs.config.dynamic_thumbnails
|
||||
self.thumbnail_requirements = hs.config.thumbnail_requirements
|
||||
|
||||
@staticmethod
|
||||
def _makedirs(filepath):
|
||||
dirname = os.path.dirname(filepath)
|
||||
if not os.path.exists(dirname):
|
||||
os.makedirs(dirname)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def create_content(self, media_type, upload_name, content, content_length,
|
||||
auth_user):
|
||||
media_id = random_string(24)
|
||||
|
||||
fname = self.filepaths.local_media_filepath(media_id)
|
||||
self._makedirs(fname)
|
||||
|
||||
# This shouldn't block for very long because the content will have
|
||||
# already been uploaded at this point.
|
||||
with open(fname, "wb") as f:
|
||||
f.write(content)
|
||||
|
||||
yield self.store.store_local_media(
|
||||
media_id=media_id,
|
||||
media_type=media_type,
|
||||
time_now_ms=self.clock.time_msec(),
|
||||
upload_name=upload_name,
|
||||
media_length=content_length,
|
||||
user_id=auth_user,
|
||||
)
|
||||
media_info = {
|
||||
"media_type": media_type,
|
||||
"media_length": content_length,
|
||||
}
|
||||
|
||||
yield self._generate_local_thumbnails(media_id, media_info)
|
||||
|
||||
defer.returnValue("mxc://%s/%s" % (self.server_name, media_id))
|
||||
|
||||
def get_remote_media(self, server_name, media_id):
|
||||
key = (server_name, media_id)
|
||||
download = self.downloads.get(key)
|
||||
if download is None:
|
||||
download = self._get_remote_media_impl(server_name, media_id)
|
||||
download = ObservableDeferred(
|
||||
download,
|
||||
consumeErrors=True
|
||||
)
|
||||
self.downloads[key] = download
|
||||
|
||||
@download.addBoth
|
||||
def callback(media_info):
|
||||
del self.downloads[key]
|
||||
return media_info
|
||||
return download.observe()
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _get_remote_media_impl(self, server_name, media_id):
|
||||
media_info = yield self.store.get_cached_remote_media(
|
||||
server_name, media_id
|
||||
)
|
||||
if not media_info:
|
||||
media_info = yield self._download_remote_file(
|
||||
server_name, media_id
|
||||
)
|
||||
defer.returnValue(media_info)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _download_remote_file(self, server_name, media_id):
|
||||
file_id = random_string(24)
|
||||
|
||||
fname = self.filepaths.remote_media_filepath(
|
||||
server_name, file_id
|
||||
)
|
||||
self._makedirs(fname)
|
||||
|
||||
try:
|
||||
with open(fname, "wb") as f:
|
||||
request_path = "/".join((
|
||||
"/_matrix/media/v1/download", server_name, media_id,
|
||||
))
|
||||
length, headers = yield self.client.get_file(
|
||||
server_name, request_path, output_stream=f,
|
||||
max_size=self.max_upload_size,
|
||||
)
|
||||
media_type = headers["Content-Type"][0]
|
||||
time_now_ms = self.clock.time_msec()
|
||||
|
||||
content_disposition = headers.get("Content-Disposition", None)
|
||||
if content_disposition:
|
||||
_, params = cgi.parse_header(content_disposition[0],)
|
||||
upload_name = None
|
||||
|
||||
# First check if there is a valid UTF-8 filename
|
||||
upload_name_utf8 = params.get("filename*", None)
|
||||
if upload_name_utf8:
|
||||
if upload_name_utf8.lower().startswith("utf-8''"):
|
||||
upload_name = upload_name_utf8[7:]
|
||||
|
||||
# If there isn't check for an ascii name.
|
||||
if not upload_name:
|
||||
upload_name_ascii = params.get("filename", None)
|
||||
if upload_name_ascii and is_ascii(upload_name_ascii):
|
||||
upload_name = upload_name_ascii
|
||||
|
||||
if upload_name:
|
||||
upload_name = urlparse.unquote(upload_name)
|
||||
try:
|
||||
upload_name = upload_name.decode("utf-8")
|
||||
except UnicodeDecodeError:
|
||||
upload_name = None
|
||||
else:
|
||||
upload_name = None
|
||||
|
||||
yield self.store.store_cached_remote_media(
|
||||
origin=server_name,
|
||||
media_id=media_id,
|
||||
media_type=media_type,
|
||||
time_now_ms=self.clock.time_msec(),
|
||||
upload_name=upload_name,
|
||||
media_length=length,
|
||||
filesystem_id=file_id,
|
||||
)
|
||||
except:
|
||||
os.remove(fname)
|
||||
raise
|
||||
|
||||
media_info = {
|
||||
"media_type": media_type,
|
||||
"media_length": length,
|
||||
"upload_name": upload_name,
|
||||
"created_ts": time_now_ms,
|
||||
"filesystem_id": file_id,
|
||||
}
|
||||
|
||||
yield self._generate_remote_thumbnails(
|
||||
server_name, media_id, media_info
|
||||
)
|
||||
|
||||
defer.returnValue(media_info)
|
||||
|
||||
def _get_thumbnail_requirements(self, media_type):
|
||||
return self.thumbnail_requirements.get(media_type, ())
|
||||
|
||||
def _generate_thumbnail(self, input_path, t_path, t_width, t_height,
|
||||
t_method, t_type):
|
||||
thumbnailer = Thumbnailer(input_path)
|
||||
m_width = thumbnailer.width
|
||||
m_height = thumbnailer.height
|
||||
|
||||
if m_width * m_height >= self.max_image_pixels:
|
||||
logger.info(
|
||||
"Image too large to thumbnail %r x %r > %r",
|
||||
m_width, m_height, self.max_image_pixels
|
||||
)
|
||||
return
|
||||
|
||||
if t_method == "crop":
|
||||
t_len = thumbnailer.crop(t_path, t_width, t_height, t_type)
|
||||
elif t_method == "scale":
|
||||
t_len = thumbnailer.scale(t_path, t_width, t_height, t_type)
|
||||
else:
|
||||
t_len = None
|
||||
|
||||
return t_len
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def generate_local_exact_thumbnail(self, media_id, t_width, t_height,
|
||||
t_method, t_type):
|
||||
input_path = self.filepaths.local_media_filepath(media_id)
|
||||
|
||||
t_path = self.filepaths.local_media_thumbnail(
|
||||
media_id, t_width, t_height, t_type, t_method
|
||||
)
|
||||
self._makedirs(t_path)
|
||||
|
||||
t_len = yield preserve_context_over_fn(
|
||||
threads.deferToThread,
|
||||
self._generate_thumbnail,
|
||||
input_path, t_path, t_width, t_height, t_method, t_type
|
||||
)
|
||||
|
||||
if t_len:
|
||||
yield self.store.store_local_thumbnail(
|
||||
media_id, t_width, t_height, t_type, t_method, t_len
|
||||
)
|
||||
|
||||
defer.returnValue(t_path)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def generate_remote_exact_thumbnail(self, server_name, file_id, media_id,
|
||||
t_width, t_height, t_method, t_type):
|
||||
input_path = self.filepaths.remote_media_filepath(server_name, file_id)
|
||||
|
||||
t_path = self.filepaths.remote_media_thumbnail(
|
||||
server_name, file_id, t_width, t_height, t_type, t_method
|
||||
)
|
||||
self._makedirs(t_path)
|
||||
|
||||
t_len = yield preserve_context_over_fn(
|
||||
threads.deferToThread,
|
||||
self._generate_thumbnail,
|
||||
input_path, t_path, t_width, t_height, t_method, t_type
|
||||
)
|
||||
|
||||
if t_len:
|
||||
yield self.store.store_remote_media_thumbnail(
|
||||
server_name, media_id, file_id,
|
||||
t_width, t_height, t_type, t_method, t_len
|
||||
)
|
||||
|
||||
defer.returnValue(t_path)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _generate_local_thumbnails(self, media_id, media_info):
|
||||
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)
|
||||
thumbnailer = Thumbnailer(input_path)
|
||||
m_width = thumbnailer.width
|
||||
m_height = thumbnailer.height
|
||||
|
||||
if m_width * m_height >= self.max_image_pixels:
|
||||
logger.info(
|
||||
"Image too large to thumbnail %r x %r > %r",
|
||||
m_width, m_height, self.max_image_pixels
|
||||
)
|
||||
return
|
||||
|
||||
local_thumbnails = []
|
||||
|
||||
def generate_thumbnails():
|
||||
scales = set()
|
||||
crops = set()
|
||||
for r_width, r_height, r_method, r_type in requirements:
|
||||
if r_method == "scale":
|
||||
t_width, t_height = thumbnailer.aspect(r_width, r_height)
|
||||
scales.add((
|
||||
min(m_width, t_width), min(m_height, t_height), r_type,
|
||||
))
|
||||
elif r_method == "crop":
|
||||
crops.add((r_width, r_height, r_type))
|
||||
|
||||
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
|
||||
)
|
||||
self._makedirs(t_path)
|
||||
t_len = thumbnailer.scale(t_path, t_width, t_height, t_type)
|
||||
|
||||
local_thumbnails.append((
|
||||
media_id, t_width, t_height, t_type, t_method, t_len
|
||||
))
|
||||
|
||||
for t_width, t_height, t_type in crops:
|
||||
if (t_width, t_height, t_type) in scales:
|
||||
# If the aspect ratio of the cropped thumbnail matches a purely
|
||||
# scaled one then there is no point in calculating a separate
|
||||
# thumbnail.
|
||||
continue
|
||||
t_method = "crop"
|
||||
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((
|
||||
media_id, t_width, t_height, t_type, t_method, t_len
|
||||
))
|
||||
|
||||
yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails)
|
||||
|
||||
for l in local_thumbnails:
|
||||
yield self.store.store_local_thumbnail(*l)
|
||||
|
||||
defer.returnValue({
|
||||
"width": m_width,
|
||||
"height": m_height,
|
||||
})
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _generate_remote_thumbnails(self, server_name, media_id, media_info):
|
||||
media_type = media_info["media_type"]
|
||||
file_id = media_info["filesystem_id"]
|
||||
requirements = self._get_thumbnail_requirements(media_type)
|
||||
if not requirements:
|
||||
return
|
||||
|
||||
remote_thumbnails = []
|
||||
|
||||
input_path = self.filepaths.remote_media_filepath(server_name, file_id)
|
||||
thumbnailer = Thumbnailer(input_path)
|
||||
m_width = thumbnailer.width
|
||||
m_height = thumbnailer.height
|
||||
|
||||
def generate_thumbnails():
|
||||
if m_width * m_height >= self.max_image_pixels:
|
||||
logger.info(
|
||||
"Image too large to thumbnail %r x %r > %r",
|
||||
m_width, m_height, self.max_image_pixels
|
||||
)
|
||||
return
|
||||
|
||||
scales = set()
|
||||
crops = set()
|
||||
for r_width, r_height, r_method, r_type in requirements:
|
||||
if r_method == "scale":
|
||||
t_width, t_height = thumbnailer.aspect(r_width, r_height)
|
||||
scales.add((
|
||||
min(m_width, t_width), min(m_height, t_height), r_type,
|
||||
))
|
||||
elif r_method == "crop":
|
||||
crops.add((r_width, r_height, r_type))
|
||||
|
||||
for t_width, t_height, t_type in scales:
|
||||
t_method = "scale"
|
||||
t_path = self.filepaths.remote_media_thumbnail(
|
||||
server_name, file_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)
|
||||
remote_thumbnails.append([
|
||||
server_name, media_id, file_id,
|
||||
t_width, t_height, t_type, t_method, t_len
|
||||
])
|
||||
|
||||
for t_width, t_height, t_type in crops:
|
||||
if (t_width, t_height, t_type) in scales:
|
||||
# If the aspect ratio of the cropped thumbnail matches a purely
|
||||
# scaled one then there is no point in calculating a separate
|
||||
# thumbnail.
|
||||
continue
|
||||
t_method = "crop"
|
||||
t_path = self.filepaths.remote_media_thumbnail(
|
||||
server_name, file_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)
|
||||
remote_thumbnails.append([
|
||||
server_name, media_id, file_id,
|
||||
t_width, t_height, t_type, t_method, t_len
|
||||
])
|
||||
|
||||
yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails)
|
||||
|
||||
for r in remote_thumbnails:
|
||||
yield self.store.store_remote_media_thumbnail(*r)
|
||||
|
||||
defer.returnValue({
|
||||
"width": m_width,
|
||||
"height": m_height,
|
||||
})
|
||||
|
||||
|
||||
class MediaRepositoryResource(Resource):
|
||||
"""File uploading and downloading.
|
||||
|
||||
|
||||
@ -14,7 +14,7 @@
|
||||
# limitations under the License.
|
||||
|
||||
|
||||
from .base_resource import parse_media_id, respond_404, respond_with_file
|
||||
from ._base import parse_media_id, respond_404, respond_with_file
|
||||
from twisted.web.resource import Resource
|
||||
from synapse.http.servlet import parse_string, parse_integer
|
||||
from synapse.http.server import request_handler
|
||||
|
||||
Loading…
Reference in New Issue
Block a user