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Make PreviewUrlResource use MediaStorage

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This commit is contained in:
Erik Johnston 2018-01-09 14:36:07 +00:00
parent 9d30a7691c
commit 2442e9876c
2 changed files with 14 additions and 8 deletions
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4
synapse/rest/media/v1/media_repository.py
View File

@ -642,4 +642,6 @@ class MediaRepositoryResource(Resource):
)) ))
self.putChild("identicon", IdenticonResource()) self.putChild("identicon", IdenticonResource())
if hs.config.url_preview_enabled: if hs.config.url_preview_enabled:
self.putChild("preview_url", PreviewUrlResource(hs, media_repo)) self.putChild("preview_url", PreviewUrlResource(
hs, media_repo, media_repo.media_storage,
))

18
synapse/rest/media/v1/preview_url_resource.py
View File

@ -17,6 +17,8 @@ from twisted.web.server import NOT_DONE_YET
from twisted.internet import defer from twisted.internet import defer
from twisted.web.resource import Resource from twisted.web.resource import Resource
from ._base import FileInfo
from synapse.api.errors import ( from synapse.api.errors import (
SynapseError, Codes, SynapseError, Codes,
) )
@ -49,7 +51,7 @@ logger = logging.getLogger(__name__)
class PreviewUrlResource(Resource): class PreviewUrlResource(Resource):
isLeaf = True isLeaf = True
def __init__(self, hs, media_repo): def __init__(self, hs, media_repo, media_storage):
Resource.__init__(self) Resource.__init__(self)
self.auth = hs.get_auth() self.auth = hs.get_auth()
@ -62,6 +64,7 @@ class PreviewUrlResource(Resource):
self.client = SpiderHttpClient(hs) self.client = SpiderHttpClient(hs)
self.media_repo = media_repo self.media_repo = media_repo
self.primary_base_path = media_repo.primary_base_path self.primary_base_path = media_repo.primary_base_path
self.media_storage = media_storage
self.url_preview_url_blacklist = hs.config.url_preview_url_blacklist self.url_preview_url_blacklist = hs.config.url_preview_url_blacklist
@ -273,19 +276,21 @@ class PreviewUrlResource(Resource):
file_id = datetime.date.today().isoformat() + '_' + random_string(16) file_id = datetime.date.today().isoformat() + '_' + random_string(16)
fpath = self.filepaths.url_cache_filepath_rel(file_id) file_info = FileInfo(
fname = os.path.join(self.primary_base_path, fpath) server_name=None,
self.media_repo._makedirs(fname) file_id=file_id,
url_cache=True,
)
try: try:
with open(fname, "wb") as f: with self.media_storage.store_into_file(file_info) as (f, fname, finish):
logger.debug("Trying to get url '%s'" % url) logger.debug("Trying to get url '%s'" % url)
length, headers, uri, code = yield self.client.get_file( length, headers, uri, code = yield self.client.get_file(
url, output_stream=f, max_size=self.max_spider_size, url, output_stream=f, max_size=self.max_spider_size,
) )
# FIXME: pass through 404s and other error messages nicely # FIXME: pass through 404s and other error messages nicely
yield self.media_repo.copy_to_backup(fpath) yield finish()
media_type = headers["Content-Type"][0] media_type = headers["Content-Type"][0]
time_now_ms = self.clock.time_msec() time_now_ms = self.clock.time_msec()
@ -327,7 +332,6 @@ class PreviewUrlResource(Resource):
) )
except Exception as e: except Exception as e:
os.remove(fname)
raise SynapseError( raise SynapseError(
500, ("Failed to download content: %s" % e), 500, ("Failed to download content: %s" % e),
Codes.UNKNOWN Codes.UNKNOWN