1 files changed, 69 insertions, 0 deletions
diff --git a/lib/gitlab/ci/reports/security/identifier.rb b/lib/gitlab/ci/reports/security/identifier.rb
new file mode 100644
index 00000000000..4ba943cdcbc
--- /dev/null
+++ b/lib/gitlab/ci/reports/security/identifier.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Reports
+      module Security
+        class Identifier
+          attr_reader :external_id
+          attr_reader :external_type
+          attr_reader :fingerprint
+          attr_reader :name
+          attr_reader :url
+
+          def initialize(external_id:, external_type:, name:, url: nil)
+            @external_id = external_id
+            @external_type = external_type
+            @name = name
+            @url = url
+
+            @fingerprint = generate_fingerprint
+          end
+
+          def key
+            fingerprint
+          end
+
+          def to_hash
+            %i[
+              external_id
+              external_type
+              fingerprint
+              name
+              url
+            ].each_with_object({}) do |key, hash|
+              hash[key] = public_send(key) # rubocop:disable GitlabSecurity/PublicSend
+            end
+          end
+
+          def ==(other)
+            other.external_type == external_type &&
+              other.external_id == external_id
+          end
+
+          def type_identifier?
+            cwe? || wasc?
+          end
+
+          def cve?
+            external_type.to_s.casecmp?('cve')
+          end
+
+          def cwe?
+            external_type.to_s.casecmp?('cwe')
+          end
+
+          def wasc?
+            external_type.to_s.casecmp?('wasc')
+          end
+
+          private
+
+          def generate_fingerprint
+            Digest::SHA1.hexdigest("#{external_type}:#{external_id}")
+          end
+        end
+      end
+    end
+  end
+end