Class: Helios::Videos::Processors::Cloudflare

Inherits:
Helios::Videos::Processor show all
Defined in:
lib/helios/videos/processors/cloudflare.rb

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

Attributes inherited from Helios::Videos::Processor

#config

Instance Method Summary collapse

Methods inherited from Helios::Videos::Processor

#initialize

Constructor Details

This class inherits a constructor from Helios::Videos::Processor

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/#{}/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

#download_thumbnail!(video, time: "3s") ⇒ Object 



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# File 'lib/helios/videos/processors/cloudflare.rb', line 190

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

#download_url(video, expiration: 4.hours) ⇒ Object 



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# File 'lib/helios/videos/processors/cloudflare.rb', line 182

def download_url(video, expiration: 4.hours)
  return nil unless video.key.present?

  token = signed_token(video, expiration: expiration, downloadable: true)
  subdomain = customer_subdomain(video)
  "https://#{subdomain}.cloudflarestream.com/#{token}/downloads/default.mp4"
end

#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/#{}/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

#ingest_from_url!(video, source_url, provider:) ⇒ Object 



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# File 'lib/helios/videos/processors/cloudflare.rb', line 69

def ingest_from_url!(video, source_url, provider:)
  uri = URI("https://api.cloudflare.com/client/v4/accounts/#{}/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: source_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 migration ingest error: #{response.code} - #{response.body}")
    raise "Cloudflare migration ingest failed: #{response.code}"
  end

  # Store the new Cloudflare key and playback URLs, but don't flip provider yet.
  # The CheckIngestionJob will flip it once the video is ready.
  video.update!(
    key: body["result"]["uid"],
    playback_urls: body["result"]["playback"],
    requires_signed_urls: config.require_signed_urls
  )

  Rails.logger.info("[helios-videos] Migration: video #{video.id} submitted to Cloudflare: #{video.key}")
end

#playback_url(video, signed: false, expiration: 4.hours) ⇒ Object 



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# File 'lib/helios/videos/processors/cloudflare.rb', line 127

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

#player_component(video, muted: false, expiration: 4.hours) ⇒ Object 



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# File 'lib/helios/videos/processors/cloudflare.rb', line 139

def player_component(video, muted: false, expiration: 4.hours)
  unless video.key.present?
    return <<~HTML.html_safe
      <div class="text-center p-4 text-muted">
        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
        Processing video...
      </div>
    HTML
  end

  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

#ready?(video) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/helios/videos/processors/cloudflare.rb', line 104

def ready?(video)
  return false unless video.key.present?

  uri = URI("https://api.cloudflare.com/client/v4/accounts/#{}/stream/#{video.key}")
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true

  request = Net::HTTP::Get.new(uri.request_uri, {
    "Authorization" => "Bearer #{api_token}",
    "Content-Type" => "application/json"
  })

  response = http.request(request)
  return false unless response.is_a?(Net::HTTPSuccess)

  body = JSON.parse(response.body)
  status = body.dig("result", "status", "state")
  status == "ready"
rescue => e
  Rails.logger.warn("[helios-videos] Migration: error checking readiness for video #{video.id}: #{e.message}")
  false
end

#signed_token(video, expiration: 4.hours, downloadable: false) ⇒ Object 



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# File 'lib/helios/videos/processors/cloudflare.rb', line 167

def signed_token(video, expiration: 4.hours, downloadable: false)
  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
  }
  payload[:downloadable] = true if downloadable

  JWT.encode(payload, private_key, "RS256", typ: "JWT", kid: key_id)
end