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Allow specifying the value of Accept-Language header for URL previews (#7265)

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Andrew Morgan 2020-04-15 13:35:29 +01:00 • committed by GitHub
parent f2049a8d21
commit a48138784e
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5 changed files with 116 additions and 2 deletions
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8
synapse/rest/media/v1/preview_url_resource.py
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@ -86,6 +86,7 @@ class PreviewUrlResource(DirectServeResource):
self.media_storage = media_storage
self.url_preview_url_blacklist = hs.config.url_preview_url_blacklist
self.url_preview_accept_language = hs.config.url_preview_accept_language
# memory cache mapping urls to an ObservableDeferred returning
# JSON-encoded OG metadata
@ -315,9 +316,12 @@ class PreviewUrlResource(DirectServeResource):
with self.media_storage.store_into_file(file_info) as (f, fname, finish):
try:
logger.debug("Trying to get url '%s'", url)
logger.debug("Trying to get preview for url '%s'", url)
length, headers, uri, code = await self.client.get_file(
url, output_stream=f, max_size=self.max_spider_size
url,
output_stream=f,
max_size=self.max_spider_size,
headers={"Accept-Language": self.url_preview_accept_language},
)
except SynapseError:
# Pass SynapseErrors through directly, so that the servlet