1 files changed, 0 insertions, 73 deletions
diff --git a/lib/gitlab/kubernetes/helm/certificate.rb b/lib/gitlab/kubernetes/helm/certificate.rb
deleted file mode 100644
index 598714e0874..00000000000
--- a/lib/gitlab/kubernetes/helm/certificate.rb
+++ /dev/null
@@ -1,73 +0,0 @@
-# frozen_string_literal: true
-module Gitlab
-  module Kubernetes
-    module Helm
-      class Certificate
-        INFINITE_EXPIRY = 1000.years
-        SHORT_EXPIRY = 30.minutes
-
-        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 = OpenSSL::PKey::RSA.new(key_string)
-          cert = OpenSSL::X509::Certificate.new(cert_string)
-          new(key, cert)
-        end
-
-        def self.generate_root
-          _issue(signed_by: nil, expires_in: INFINITE_EXPIRY, certificate_authority: true)
-        end
-
-        def issue(expires_in: SHORT_EXPIRY)
-          self.class._issue(signed_by: self, expires_in: expires_in, certificate_authority: false)
-        end
-
-        private
-
-        def self._issue(signed_by:, expires_in:, certificate_authority:)
-          key = OpenSSL::PKey::RSA.new(4096)
-          public_key = key.public_key
-
-          subject = OpenSSL::X509::Name.parse("/C=US")
-
-          cert = OpenSSL::X509::Certificate.new
-          cert.subject = subject
-
-          cert.issuer = signed_by&.cert&.subject || subject
-
-          cert.not_before = Time.now
-          cert.not_after = expires_in.from_now
-          cert.public_key = public_key
-          cert.serial = 0x0
-          cert.version = 2
-
-          if certificate_authority
-            extension_factory = OpenSSL::X509::ExtensionFactory.new
-            extension_factory.subject_certificate = cert
-            extension_factory.issuer_certificate = cert
-            cert.add_extension(extension_factory.create_extension('subjectKeyIdentifier', 'hash'))
-            cert.add_extension(extension_factory.create_extension('basicConstraints', 'CA:TRUE', true))
-            cert.add_extension(extension_factory.create_extension('keyUsage', 'cRLSign,keyCertSign', true))
-          end
-
-          cert.sign(signed_by&.key || key, OpenSSL::Digest::SHA256.new)
-
-          new(key, cert)
-        end
-
-        def initialize(key, cert)
-          @key = key
-          @cert = cert
-        end
-      end
-    end
-  end
-end