forked from fedi/mastodon
999cde94a6
Federate spoiler_text using warning attribute on <content /> instead of a <category term="spoiler" /> Clean up schema file from accidental development migrations
36 lines
1.1 KiB
Ruby
36 lines
1.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class FetchLinkCardService < BaseService
|
|
def call(status)
|
|
# Get first URL
|
|
url = URI.extract(status.text).reject { |uri| (uri =~ /\Ahttps?:\/\//).nil? }.first
|
|
|
|
return if url.nil?
|
|
|
|
response = http_client.get(url)
|
|
|
|
return if response.code != 200 || response.mime_type != 'text/html'
|
|
|
|
page = Nokogiri::HTML(response.to_s)
|
|
card = PreviewCard.where(status: status).first_or_initialize(status: status, url: url)
|
|
|
|
card.title = meta_property(page, 'og:title') || page.at_xpath('//title')&.content
|
|
card.description = meta_property(page, 'og:description') || meta_property(page, 'description')
|
|
card.image = URI.parse(meta_property(page, 'og:image')) if meta_property(page, 'og:image')
|
|
|
|
return if card.title.blank?
|
|
|
|
card.save_with_optional_image!
|
|
end
|
|
|
|
private
|
|
|
|
def http_client
|
|
HTTP.timeout(:per_operation, write: 10, connect: 10, read: 10).follow
|
|
end
|
|
|
|
def meta_property(html, property)
|
|
html.at_xpath("//meta[@property=\"#{property}\"]")&.attribute('content')&.value || html.at_xpath("//meta[@name=\"#{property}\"]")&.attribute('content')&.value
|
|
end
|
|
end
|