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Diffstat (limited to 'app/validators/certificate_fingerprint_validator.rb')
-rw-r--r--app/validators/certificate_fingerprint_validator.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/app/validators/certificate_fingerprint_validator.rb b/app/validators/certificate_fingerprint_validator.rb
new file mode 100644
index 00000000000..17df756183a
--- /dev/null
+++ b/app/validators/certificate_fingerprint_validator.rb
@@ -0,0 +1,9 @@
+class CertificateFingerprintValidator < ActiveModel::EachValidator
+ FINGERPRINT_PATTERN = /\A([a-zA-Z0-9]{2}[\s\-:]?){16,}\z/.freeze
+
+ def validate_each(record, attribute, value)
+ unless value.try(:match, FINGERPRINT_PATTERN)
+ record.errors.add(attribute, "must be a hash containing only letters, numbers, spaces, : and -")
+ end
+ end
+end