scalie-business/mastodon
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Fix invalid blurhash handling in Create activity (#16583)

Browse source
This commit is contained in:
Takeshi Umeda 2021-08-09 20:33:19 +09:00 • committed by Eugen Rochko
parent 987f945930
commit c02d6c46e3
1 changed files with 5 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
app/lib/activitypub/activity/create.rb
View file

@ -446,10 +446,14 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
end
def supported_blurhash?(blurhash)
components = blurhash.blank? ? nil : Blurhash.components(blurhash)
components = blurhash.blank? || !blurhash_valid_chars?(blurhash) ? nil : Blurhash.components(blurhash)
components.present? && components.none? { |comp| comp > 5 }
end
def blurhash_valid_chars?(blurhash)
/^[\w#$%*+-.:;=?@\[\]^{|}~]+$/.match?(blurhash)
end
def skip_download?
return @skip_download if defined?(@skip_download)