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Add size limit for link preview URLs (#30854)

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David Roetzel 2024-06-27 16:40:19 +02:00 • committed by GitHub
parent 096057b845
commit 42adb6eaee
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2 changed files with 17 additions and 1 deletions
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5
app/services/fetch_link_card_service.rb
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@ -15,6 +15,9 @@ class FetchLinkCardService < BaseService
)
}iox
# URL size limit to safely store in PosgreSQL's unique indexes
BYTESIZE_LIMIT = 2692
def call(status)
@status = status
@original_url = parse_urls
@ -85,7 +88,7 @@ class FetchLinkCardService < BaseService
def bad_url?(uri)
# Avoid local instance URLs and invalid URLs
uri.host.blank? || TagManager.instance.local_url?(uri.to_s) || !%w(http https).include?(uri.scheme)
uri.host.blank? || TagManager.instance.local_url?(uri.to_s) || !%w(http https).include?(uri.scheme) || uri.to_s.bytesize > BYTESIZE_LIMIT
end
def mention_link?(anchor)