Class: Helios::Videos::Processors::Cloudflare
Constant Summary
collapse
- SIGNING_KEY_CACHE_KEY =
"helios_videos_cf_signing_key"
- SIGNING_KEY_ID_CACHE_KEY =
"helios_videos_cf_signing_key_id"
Instance Attribute Summary
#config
Instance Method Summary
collapse
#initialize
Instance Method Details
#delete!(video) ⇒ Object
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# File 'lib/helios/videos/processors/cloudflare.rb', line 48
def delete!(video)
return unless video.key.present?
uri = URI("https://api.cloudflare.com/client/v4/accounts/#{account_id}/stream/#{video.key}")
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
request = Net::HTTP::Delete.new(uri.request_uri, {
"Authorization" => "Bearer #{api_token}",
"Content-Type" => "application/json"
})
response = http.request(request)
if response.is_a?(Net::HTTPSuccess)
Rails.logger.info("[helios-videos] Cloudflare video #{video.key} deleted")
else
Rails.logger.warn("[helios-videos] Failed to delete Cloudflare video #{video.key}: #{response.code}")
end
end
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#download_thumbnail!(video, time: "3s") ⇒ Object
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# File 'lib/helios/videos/processors/cloudflare.rb', line 116
def download_thumbnail!(video, time: "3s")
return false unless video.key.present?
return true if video.thumbnail_image.attached?
subdomain = customer_subdomain(video)
return false unless subdomain.present?
if video.requires_signed_urls?
token = signed_token(video, expiration: 1.hour)
base_url = "https://#{subdomain}.cloudflarestream.com/#{token}/thumbnails/thumbnail.jpg"
else
base_url = "https://#{subdomain}.cloudflarestream.com/#{video.key}/thumbnails/thumbnail.jpg"
end
url = time.present? ? "#{base_url}?time=#{time}" : base_url
require "open-uri"
downloaded_image = URI.open(url)
video.thumbnail_image.attach(
io: downloaded_image,
filename: "video_#{video.id}_thumbnail.jpg",
content_type: "image/jpeg"
)
Rails.logger.info("[helios-videos] Downloaded thumbnail for video #{video.id}")
true
rescue => e
Rails.logger.error("[helios-videos] Failed to download thumbnail for video #{video.id}: #{e.message}")
false
end
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#ingest!(video) ⇒ Object
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# File 'lib/helios/videos/processors/cloudflare.rb', line 12
def ingest!(video)
return if video.key.present?
return unless video.video_file.attached?
uri = URI("https://api.cloudflare.com/client/v4/accounts/#{account_id}/stream/copy")
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
request = Net::HTTP::Post.new(uri.request_uri, {
"Authorization" => "Bearer #{api_token}",
"Content-Type" => "application/json"
})
request.body = {
url: video.video_file.url,
meta: { name: video.name },
requireSignedURLs: config.require_signed_urls
}.to_json
response = http.request(request)
body = JSON.parse(response.body)
unless response.is_a?(Net::HTTPSuccess)
Rails.logger.error("[helios-videos] Cloudflare ingest error: #{response.code} - #{response.body}")
raise "Cloudflare ingest failed: #{response.code}"
end
video.update!(
key: body["result"]["uid"],
playback_urls: body["result"]["playback"],
requires_signed_urls: config.require_signed_urls
)
Rails.logger.info("[helios-videos] Video #{video.id} ingested into Cloudflare: #{video.key}")
end
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#playback_url(video, signed: false, expiration: 4.hours) ⇒ Object
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# File 'lib/helios/videos/processors/cloudflare.rb', line 69
def playback_url(video, signed: false, expiration: 4.hours)
return nil unless video.key.present?
if signed || video.requires_signed_urls?
token = signed_token(video, expiration: expiration)
subdomain = customer_subdomain(video)
"https://#{subdomain}.cloudflarestream.com/#{token}/manifest/video.m3u8"
else
video.playback_urls&.dig("hls")
end
end
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#player_component(video, muted: false, expiration: 4.hours) ⇒ Object
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# File 'lib/helios/videos/processors/cloudflare.rb', line 81
def player_component(video, muted: false, expiration: 4.hours)
return "(VIDEO NOT AVAILABLE)" unless video.key.present?
video_src = playback_url(video, signed: video.requires_signed_urls?, expiration: expiration)
<<~HTML.html_safe
<video
id="videojs-#{video.key}"
class="video-js vjs-default-skin"
style="width: 100%; height: 100%;"
controls
preload="auto"
data-setup='{}'
#{"muted" if muted}
>
<source src="#{video_src}" type="application/x-mpegURL" />
Your browser does not support HLS video.
</video>
HTML
end
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#signed_token(video, expiration: 4.hours) ⇒ Object
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# File 'lib/helios/videos/processors/cloudflare.rb', line 102
def signed_token(video, expiration: 4.hours)
key_id, private_key = fetch_signing_key
now = Time.now.to_i
payload = {
sub: video.key,
kid: key_id,
exp: now + expiration.to_i,
nbf: now - 60
}
JWT.encode(payload, private_key, "RS256", typ: "JWT", kid: key_id)
end
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