def _download_remote_file(self, server_name, media_id):
file_id = random_string(24)
fpath = self.filepaths.remote_media_filepath_rel(server_name, file_id)
fname = os.path.join(self.primary_base_path, fpath)
self._makedirs(fname)
try:
with open(fname, "wb") as f:
request_path = "/".join((
"/_matrix/media/v1/download",
server_name,
media_id,
))
try:
length, headers = yield self.client.get_file(
server_name,
request_path,
output_stream=f,
max_size=self.max_upload_size,
args={
# tell the remote server to 404 if it doesn't
# recognise the server_name, to make sure we don't
# end up with a routing loop.
"allow_remote": "false",
})
except twisted.internet.error.DNSLookupError as e:
logger.warn("HTTP error fetching remote media %s/%s: %r",
server_name, media_id, e)
raise NotFoundError()
except HttpResponseException as e:
logger.warn("HTTP error fetching remote media %s/%s: %s",
server_name, media_id, e.response)
if e.code == twisted.web.http.NOT_FOUND:
raise SynapseError.from_http_response_exception(e)
raise SynapseError(502, "Failed to fetch remote media")
except SynapseError:
logger.exception("Failed to fetch remote media %s/%s",
server_name, media_id)
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)
raise SynapseError(502, "Failed to fetch remote media")
yield self.copy_to_backup(fpath)
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
logger.info("Stored remote media in file %r", fname)
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 Exception:
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_thumbnails(server_name, media_id, media_info)
defer.returnValue(media_info)
def _download_remote_file(self, server_name, media_id, file_id):
"""Attempt to download the remote file from the given server name,
using the given file_id as the local id.
Args:
server_name (str): Originating server
media_id (str): The media ID of the content (as defined by the
remote server). This is different than the file_id, which is
locally generated.
file_id (str): Local file ID
Returns:
Deferred[MediaInfo]
"""
file_info = FileInfo(
server_name=server_name,
file_id=file_id,
)
with self.media_storage.store_into_file(file_info) as (f, fname,
finish):
request_path = "/".join((
"/_matrix/media/v1/download",
server_name,
media_id,
))
try:
length, headers = yield self.client.get_file(
server_name,
request_path,
output_stream=f,
max_size=self.max_upload_size,
args={
# tell the remote server to 404 if it doesn't
# recognise the server_name, to make sure we don't
# end up with a routing loop.
"allow_remote": "false",
})
except twisted.internet.error.DNSLookupError as e:
logger.warn("HTTP error fetching remote media %s/%s: %r",
server_name, media_id, e)
raise NotFoundError()
except HttpResponseException as e:
logger.warn("HTTP error fetching remote media %s/%s: %s",
server_name, media_id, e.response)
if e.code == twisted.web.http.NOT_FOUND:
raise SynapseError.from_http_response_exception(e)
raise SynapseError(502, "Failed to fetch remote media")
except SynapseError:
logger.exception("Failed to fetch remote media %s/%s",
server_name, media_id)
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)
raise SynapseError(502, "Failed to fetch remote media")
yield finish()
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
logger.info("Stored remote media in file %r", fname)
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,
)
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_thumbnails(
server_name,
media_id,
file_id,
media_type,
)
defer.returnValue(media_info)
def _download_remote_file(self, server_name, media_id, file_id):
"""Attempt to download the remote file from the given server name,
using the given file_id as the local id.
Args:
server_name (str): Originating server
media_id (str): The media ID of the content (as defined by the
remote server). This is different than the file_id, which is
locally generated.
file_id (str): Local file ID
Returns:
Deferred[MediaInfo]
"""
file_info = FileInfo(
server_name=server_name,
file_id=file_id,
)
with self.media_storage.store_into_file(file_info) as (f, fname, finish):
request_path = "/".join((
"/_matrix/media/v1/download", server_name, media_id,
))
try:
length, headers = yield self.client.get_file(
server_name, request_path, output_stream=f,
max_size=self.max_upload_size, args={
# tell the remote server to 404 if it doesn't
# recognise the server_name, to make sure we don't
# end up with a routing loop.
"allow_remote": "false",
}
)
except twisted.internet.error.DNSLookupError as e:
logger.warn("HTTP error fetching remote media %s/%s: %r",
server_name, media_id, e)
raise NotFoundError()
except HttpResponseException as e:
logger.warn("HTTP error fetching remote media %s/%s: %s",
server_name, media_id, e.response)
if e.code == twisted.web.http.NOT_FOUND:
raise SynapseError.from_http_response_exception(e)
raise SynapseError(502, "Failed to fetch remote media")
except SynapseError:
logger.exception("Failed to fetch remote media %s/%s",
server_name, media_id)
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)
raise SynapseError(502, "Failed to fetch remote media")
yield finish()
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
logger.info("Stored remote media in file %r", fname)
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,
)
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_thumbnails(
server_name, media_id, file_id, media_type,
)
defer.returnValue(media_info)
