Module: MailMCP::Pkce

Defined in:
lib/mail_mcp/pkce.rb

Class Method Summary collapse

Class Method Details

.challenge(verifier) ⇒ Object 



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# File 'lib/mail_mcp/pkce.rb', line 6

def self.challenge(verifier)
  Base64.urlsafe_encode64(Digest::SHA256.digest(verifier), padding: false)
end

.valid?(verifier:, challenge:) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mail_mcp/pkce.rb', line 10

def self.valid?(verifier:, challenge:)
  expected = challenge(verifier)
  begin
    ActiveSupport::SecurityUtils.secure_compare(expected, challenge)
  rescue StandardError
    (expected == challenge)
  end
end