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class ActiveVault::VerifiedKeyWithExpiration
class_attribute :verifier, default: defined?(Rails) ? Rails.application.message_verifier('ActiveVault') : nil
class << self
def encode(key, expires_in: nil)
verifier.generate([ key, expires_at(expires_in) ])
end
def decode(encoded_key)
key, expires_at = verifier.verified(encoded_key)
key if key && fresh?(expires_at)
end
private
def expires_at(expires_in)
expires_in ? Time.now.utc.advance(seconds: expires_in) : nil
end
def fresh?(expires_at)
expires_at.nil? || Time.now.utc < expires_at
end
end
end
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