diaspora/lib/encryptable.rb
2010-07-17 14:09:21 -07:00

40 lines
1.1 KiB
Ruby

module Encryptable
def signable_string
""
end
def verify_creator_signature
#creator_signature = sign if creator_signature.nil? && person == User.owner
verify_signature(creator_signature, person)
end
def verify_signature(signature, person)
return false unless signature && person.key_fingerprint
validity = nil
GPGME::verify(signature, signable_string,
{:armor => true, :always_trust => true}){ |signature_analysis|
puts signature_analysis
validity = signature_analysis.status == GPGME::GPG_ERR_NO_ERROR &&
signature_analysis.fpr == person.key_fingerprint
}
return validity
end
protected
def sign_if_mine
puts "In sign_if_mine"
if self.person == User.owner
self.creator_signature = sign
end
end
def sign
puts "signing"
sign_with_key(User.owner.key)
end
def sign_with_key(key)
GPGME::sign(signable_string,nil,
{:armor=> true, :mode => GPGME::SIG_MODE_DETACH, :signers => [key]})
end
end