You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.4 KiB
47 lines
1.4 KiB
# frozen_string_literal: true |
|
|
|
class ProviderDiscovery < OEmbed::ProviderDiscovery |
|
class << self |
|
def get(url, **options) |
|
provider = discover_provider(url, options) |
|
|
|
options.delete(:html) |
|
|
|
provider.get(url, options) |
|
end |
|
|
|
def discover_provider(url, **options) |
|
format = options[:format] |
|
|
|
html = if options[:html] |
|
Nokogiri::HTML(options[:html]) |
|
else |
|
Request.new(:get, url).perform do |res| |
|
raise OEmbed::NotFound, url if res.code != 200 || res.mime_type != 'text/html' |
|
Nokogiri::HTML(res.body_with_limit) |
|
end |
|
end |
|
|
|
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="text/xml+oembed"]')&.attribute('href')&.value |
|
format ||= :xml if provider_endpoint |
|
end |
|
|
|
raise OEmbed::NotFound, url if provider_endpoint.nil? |
|
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) |
|
end |
|
end |
|
end
|
|
|