Class: Fileboost::SignatureGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/fileboost/signature_generator.rb

Class Method Summary collapse

Class Method Details

.generate(asset_path:, params: {}) ⇒ Object 



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# File 'lib/fileboost/signature_generator.rb', line 6

def self.generate(asset_path:, params: {})
  # Sort parameters for consistent signature generation
  sorted_params = params.sort.to_h
  query_string = sorted_params.map { |k, v| "#{k}=#{v}" }.join("&")

  # Create the signing string: project_id:asset_path:sorted_query_params
  signing_string = [ Fileboost.config.project_id, asset_path, query_string ].join(":")
  # Generate HMAC-SHA256 signature for secure authentication with Fileboost.dev
  digest = OpenSSL::HMAC.digest("SHA256", Fileboost.config.token, signing_string)
  # Use URL-safe base64 encoding and remove padding for maximum URL compatibility
  Base64.urlsafe_encode64(digest, padding: false)
end