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Make PreviewUrlResource use MediaStorage
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parent
9d30a7691c
commit
2442e9876c
2 changed files with 14 additions and 8 deletions
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@ -642,4 +642,6 @@ class MediaRepositoryResource(Resource):
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))
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self.putChild("identicon", IdenticonResource())
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if hs.config.url_preview_enabled:
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self.putChild("preview_url", PreviewUrlResource(hs, media_repo))
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self.putChild("preview_url", PreviewUrlResource(
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hs, media_repo, media_repo.media_storage,
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))
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@ -17,6 +17,8 @@ from twisted.web.server import NOT_DONE_YET
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from twisted.internet import defer
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from twisted.web.resource import Resource
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from ._base import FileInfo
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from synapse.api.errors import (
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SynapseError, Codes,
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)
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@ -49,7 +51,7 @@ logger = logging.getLogger(__name__)
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class PreviewUrlResource(Resource):
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isLeaf = True
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def __init__(self, hs, media_repo):
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def __init__(self, hs, media_repo, media_storage):
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Resource.__init__(self)
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self.auth = hs.get_auth()
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@ -62,6 +64,7 @@ class PreviewUrlResource(Resource):
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self.client = SpiderHttpClient(hs)
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self.media_repo = media_repo
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self.primary_base_path = media_repo.primary_base_path
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self.media_storage = media_storage
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self.url_preview_url_blacklist = hs.config.url_preview_url_blacklist
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@ -273,19 +276,21 @@ class PreviewUrlResource(Resource):
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file_id = datetime.date.today().isoformat() + '_' + random_string(16)
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fpath = self.filepaths.url_cache_filepath_rel(file_id)
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fname = os.path.join(self.primary_base_path, fpath)
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self.media_repo._makedirs(fname)
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file_info = FileInfo(
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server_name=None,
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file_id=file_id,
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url_cache=True,
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)
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try:
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with open(fname, "wb") as f:
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with self.media_storage.store_into_file(file_info) as (f, fname, finish):
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logger.debug("Trying to get url '%s'" % url)
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length, headers, uri, code = yield self.client.get_file(
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url, output_stream=f, max_size=self.max_spider_size,
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)
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# FIXME: pass through 404s and other error messages nicely
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yield self.media_repo.copy_to_backup(fpath)
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yield finish()
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media_type = headers["Content-Type"][0]
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time_now_ms = self.clock.time_msec()
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@ -327,7 +332,6 @@ class PreviewUrlResource(Resource):
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)
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except Exception as e:
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os.remove(fname)
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raise SynapseError(
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500, ("Failed to download content: %s" % e),
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Codes.UNKNOWN
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