88725d6ce8
* OEmbed support for PreviewCard * Improve ProviderDiscovery code failure treatment * Do not crawl links if there is a content warning, since those don't display a link card anyway * Reset db schema * Fresh migrate * Fix rubocop style issues Fix #1681 - return existing access token when applicable instead of creating new * Fix test * Extract http client to helper * Improve oembed controller
36 lines
1.1 KiB
Ruby
36 lines
1.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class ProviderDiscovery < OEmbed::ProviderDiscovery
|
|
include HttpHelper
|
|
|
|
class << self
|
|
def discover_provider(url, options = {})
|
|
res = http_client.get(url)
|
|
format = options[:format]
|
|
|
|
raise OEmbed::NotFound, url if res.code != 200 || res.mime_type != 'text/html'
|
|
|
|
html = Nokogiri::HTML(res.to_s)
|
|
|
|
if format.nil? || format == :json
|
|
provider_endpoint ||= html.at_xpath('//link[@type="application/json+oembed"]')&.attribute('href')&.value
|
|
format ||= :json if provider_endpoint
|
|
end
|
|
|
|
if format.nil? || format == :xml
|
|
provider_endpoint ||= html.at_xpath('//link[@type="application/xml+oembed"]')&.attribute('href')&.value
|
|
format ||= :xml if provider_endpoint
|
|
end
|
|
|
|
begin
|
|
provider_endpoint = Addressable::URI.parse(provider_endpoint)
|
|
provider_endpoint.query = nil
|
|
provider_endpoint = provider_endpoint.to_s
|
|
rescue Addressable::URI::InvalidURIError
|
|
raise OEmbed::NotFound, url
|
|
end
|
|
|
|
OEmbed::Provider.new(provider_endpoint, format || OEmbed::Formatter.default)
|
|
end
|
|
end
|
|
end
|