1 files changed, 36 insertions, 0 deletions
diff --git a/lib/gitlab/email/smime/certificate.rb b/lib/gitlab/email/smime/certificate.rb
new file mode 100644
index 00000000000..b331c4ca19c
--- /dev/null
+++ b/lib/gitlab/email/smime/certificate.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Email
+    module Smime
+      class Certificate
+        include OpenSSL
+
+        attr_reader :key, :cert
+
+        def key_string
+          @key.to_s
+        end
+
+        def cert_string
+          @cert.to_pem
+        end
+
+        def self.from_strings(key_string, cert_string)
+          key = PKey::RSA.new(key_string)
+          cert = X509::Certificate.new(cert_string)
+          new(key, cert)
+        end
+
+        def self.from_files(key_path, cert_path)
+          from_strings(File.read(key_path), File.read(cert_path))
+        end
+
+        def initialize(key, cert)
+          @key = key
+          @cert = cert
+        end
+      end
+    end
+  end
+end