feat: Add credentials API

app/controllers/api/v3/credential_sets_controller.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+module API
+  module V3
+    class CredentialSetsController < APIController
+      before_action :get_exercise
+
+      def index
+        render json: {
+          result: scope.map { CredentialSetPresenter.new(_1) }
+        }
+      end
+
+      private
+        def scope
+          authorized_scope(@exercise.credential_sets)
+        end
+    end
+  end
+end

app/presenters/api/v3/credential_set_presenter.rb

@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+module API
+  module V3
+    class CredentialSetPresenter < Struct.new(:credential_set)
+      delegate :network, to: :credential_set
+      delegate :actor, to: :network
+
+      def as_json(_opts)
+        Rails.cache.fetch(['apiv3', credential_set.cache_key_with_version, credential_set.credential_bindings.cache_key_with_version]) do
+          {
+            id: credential_set.slug,
+            name: credential_set.name,
+            actor: (ActorAPIName.result_for(actor) if network),
+            numbers:
+          }
+        end
+      end
+
+      private
+        def numbers_configuration
+          if network
+            NetworkInstances.result_for(network)
+          else
+            ['all']
+          end
+        end
+
+        def numbers
+          Hash[
+            numbers_configuration.map { [_1, credentials(_1)] }
+          ]
+        end
+
+        def credentials(number)
+          credential_set.credentials.map do |cred|
+            domain_username = if credential_set.network
+              [
+                credential_set.network_domain_prefix,
+                cred.username
+              ].join('\\')
+            end
+            {
+              name: cred.name,
+              password: cred.password,
+              username: cred.username,
+              email: StringSubstituter.result_for(cred.email, { team_nr: number }),
+              domain_username:,
+              config_map: JSON.parse(
+                StringSubstituter.result_for(
+                  JSON.dump(cred.config_map), { team_nr: number }
+                )
+              )
+            }
+          end
+        end
+    end
+  end
+end

config/routes.rb

@@ -35,7 +35,7 @@
       resources :checks, only: %i[create update destroy]
     end
     resources :capabilities
-    if Rails.configuration.x.features.credentials
+    if Rails.configuration.x.features.dig(:credentials)
       resources :credential_sets, path: :credentials do
         resources :credentials, only: %i[new create show update destroy] do
           collection do
@@ -68,6 +68,9 @@
         resources :services, only: %i[index show]
         resources :capabilities, only: %i[index]
         resources :tags, only: %i[index]
+        if Rails.configuration.x.features.dig(:credentials)
+          resources :credential_sets, path: 'credentials', only: %i[index]
+        end
         resource :inventory, only: %i[show]
         resource :graph, only: %i[show]
         resources :customization_specs, path: 'hosts', only: %i[index show] do