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# File 'lib/asciiptcha/controller_helpers.rb', line 4
def asciiptcha_verify(field_id = nil)
if Asciiptcha.config.encryption_key.nil?
raise EncryptionKeyNotSet, "Encryption key is not set"
end
field_id ||= 'asciiptcha_input'
code_field_id = field_id+"_code"
if params[field_id].nil? || params[field_id].length < 1 || params[code_field_id].nil? || params[code_field_id].length < 1
return false
end
begin
decrypted_code = Asciiptcha::aes_decrypt(params[code_field_id],Asciiptcha.config.encryption_key)
rescue
return false
end
if decrypted_code.downcase == params[field_id].downcase
return true
end
return false
end
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