40 lines
1.2 KiB
Ruby
40 lines
1.2 KiB
Ruby
module Encryptable
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def signable_string
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""
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end
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def verify_creator_signature
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#creator_signature = sign if creator_signature.nil? && person == User.owner
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verify_signature(creator_signature, person)
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end
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def verify_signature(signature, person)
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return false unless signature && person.key_fingerprint
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validity = nil
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Rails.logger.info("Verifying sig on #{signable_string} from person #{person.real_name}")
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GPGME::verify(signature, signable_string,
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{:armor => true, :always_trust => true}){ |signature_analysis|
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puts signature_analysis
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validity = signature_analysis.status == GPGME::GPG_ERR_NO_ERROR &&
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signature_analysis.fpr == person.key_fingerprint
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}
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return validity
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end
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protected
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def sign_if_mine
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if self.person == User.owner
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self.creator_signature = sign
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end
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end
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def sign
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sign_with_key(User.owner.key)
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end
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def sign_with_key(key)
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Rails.logger.info("Signing #{signable_string} with key for person #{self.person.real_name}")
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GPGME::sign(signable_string,nil,
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{:armor=> true, :mode => GPGME::SIG_MODE_DETACH, :signers => [key]})
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end
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end
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