Matrix-Mirrors/synapse-product
1
0
Fork 0
mirror of https://git.anonymousland.org/anonymousland/synapse-product.git synced 2024-10-01 08:25:44 -04:00
Code Issues Packages Projects Releases Wiki Activity

Fetch images when previewing Twitter URLs. (#11985)

Browse Source 
By including "bot" in the User-Agent, which some sites use
to decide whether to include additional Open Graph information.
This commit is contained in:
AndrewRyanChama 2022-02-22 04:11:39 -08:00 committed by GitHub
parent 79c18e0709
commit 066171643b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
changelog.d/11985.feature Normal file
View File

@ -0,0 +1 @@
Fetch images when previewing Twitter URLs. Contributed by @AndrewRyanChama.

4
synapse/res/providers.json
View File

@ -5,8 +5,6 @@
"endpoints": [
{
"schemes": [
"https://twitter.com/*/status/*",
"https://*.twitter.com/*/status/*",
"https://twitter.com/*/moments/*",
"https://*.twitter.com/*/moments/*"
],
@ -14,4 +12,4 @@
}
]
}
]
]

10
synapse/rest/media/v1/preview_url_resource.py
View File

@ -402,7 +402,15 @@ class PreviewUrlResource(DirectServeJsonResource):
url,
output_stream=output_stream,
max_size=self.max_spider_size,
headers={"Accept-Language": self.url_preview_accept_language},
headers={
b"Accept-Language": self.url_preview_accept_language,
# Use a custom user agent for the preview because some sites will only return
# Open Graph metadata to crawler user agents. Omit the Synapse version
# string to avoid leaking information.
b"User-Agent": [
"Synapse (bot; +https://github.com/matrix-org/synapse)"
],
},
is_allowed_content_type=_is_previewable,
)
except SynapseError: