discourse/lib/oneboxer/youtube_onebox.rb

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require_dependency 'oneboxer/oembed_onebox'
module Oneboxer
class YoutubeOnebox < OembedOnebox
matcher /^https?:\/\/(?:www\.)?(?:youtube\.com|youtu\.be)\/.+$/
def oembed_endpoint
"http://www.youtube.com/oembed?url=#{BaseOnebox.uriencode(@url.sub('https://', 'http://'))}&format=json"
end
def onebox
super.each do |entry|
# Youtube allows HTTP and HTTPS, so replace them with the protocol-agnostic variant
BaseOnebox.replace_agnostic entry
# Add wmode=opaque to the iframe src URL so that the flash player is rendered within the document flow instead of on top
BaseOnebox.append_embed_wmode entry
end
end
end
end