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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
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class ProviderDiscovery < OEmbed::ProviderDiscovery
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include HttpHelper
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class << self
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def discover_provider(url, options = {})
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res = http_client.get(url)
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format = options[:format]
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raise OEmbed::NotFound, url if res.code != 200 || res.mime_type != 'text/html'
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html = Nokogiri::HTML(res.to_s)
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if format.nil? || format == :json
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provider_endpoint ||= html.at_xpath('//link[@type="application/json+oembed"]')&.attribute('href')&.value
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format ||= :json if provider_endpoint
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end
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if format.nil? || format == :xml
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provider_endpoint ||= html.at_xpath('//link[@type="application/xml+oembed"]')&.attribute('href')&.value
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format ||= :xml if provider_endpoint
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end
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begin
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provider_endpoint = Addressable::URI.parse(provider_endpoint)
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provider_endpoint.query = nil
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provider_endpoint = provider_endpoint.to_s
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rescue Addressable::URI::InvalidURIError
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raise OEmbed::NotFound, url
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end
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OEmbed::Provider.new(provider_endpoint, format || OEmbed::Formatter.default)
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end
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end
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end
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