1 files changed, 47 insertions, 0 deletions
diff --git a/lib/gitlab/auth/otp/strategies/forti_authenticator/push_otp.rb b/lib/gitlab/auth/otp/strategies/forti_authenticator/push_otp.rb
new file mode 100644
index 00000000000..03cc648f7b0
--- /dev/null
+++ b/lib/gitlab/auth/otp/strategies/forti_authenticator/push_otp.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Auth
+    module Otp
+      module Strategies
+        module FortiAuthenticator
+          class PushOtp < Base
+            def validate
+              response = Gitlab::HTTP.post(
+                auth_url,
+                headers: { 'Content-Type': 'application/json' },
+                body: body.to_json,
+                basic_auth: api_credentials)
+
+              # Successful authentication results in HTTP 200: OK
+              # Push - https://docs.fortinet.com/document/fortiauthenticator/6.2.1/rest-api-solution-guide/943094/push-authentication-pushauth
+              response.ok? ? success : error_from_response(response)
+            rescue StandardError => ex
+              Gitlab::AppLogger.error(ex)
+              error(ex.message)
+            end
+
+            private
+
+            def auth_url
+              host = ::Gitlab.config.forti_authenticator.host
+              port = ::Gitlab.config.forti_authenticator.port
+              path = 'api/v1/pushauth/'
+
+              "https://#{host}:#{port}/#{path}"
+            end
+
+            def body
+              { username: user.username }
+            end
+
+            def api_credentials
+              { username: ::Gitlab.config.forti_authenticator.username,
+                password: ::Gitlab.config.forti_authenticator.access_token }
+            end
+          end
+        end
+      end
+    end
+  end
+end