backend-plugin-api: add AuthService.getNoneCredentials

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/backend-app-api/src/services/implementations/auth/authServiceFactory.ts

@@ -157,6 +157,12 @@ class DefaultAuthService implements AuthService {
     return true;
   }
 
+  async getNoneCredentials(): Promise<
+    BackstageCredentials<BackstageNonePrincipal>
+  > {
+    return createCredentialsWithNonePrincipal();
+  }
+
   async getOwnServiceCredentials(): Promise<
     BackstageCredentials<BackstageServicePrincipal>
   > {

packages/backend-common/src/auth/createLegacyAuthAdapters.ts

@@ -17,6 +17,7 @@
 import {
   AuthService,
   BackstageCredentials,
+  BackstageNonePrincipal,
   BackstagePrincipalTypes,
   BackstageServicePrincipal,
   BackstageUserInfo,
@@ -65,6 +66,12 @@ class AuthCompat implements AuthService {
     return true;
   }
 
+  async getNoneCredentials(): Promise<
+    BackstageCredentials<BackstageNonePrincipal>
+  > {
+    return createCredentialsWithNonePrincipal();
+  }
+
   async getOwnServiceCredentials(): Promise<
     BackstageCredentials<BackstageServicePrincipal>
   > {

packages/backend-plugin-api/src/services/definitions/AuthService.ts

@@ -75,6 +75,8 @@ export interface AuthService {
     type: TType,
   ): credentials is BackstageCredentials<BackstagePrincipalTypes[TType]>;
 
+  getNoneCredentials(): Promise<BackstageCredentials<BackstageNonePrincipal>>;
+
   getOwnServiceCredentials(): Promise<
     BackstageCredentials<BackstageServicePrincipal>
   >;

packages/backend-test-utils/src/next/services/MockAuthService.test.ts

@@ -157,6 +157,12 @@ describe('MockAuthService', () => {
     ).rejects.toThrow('Service token is invalid');
   });
 
+  it('should return none credentials', async () => {
+    await expect(auth.getNoneCredentials()).resolves.toEqual(
+      mockCredentials.none(),
+    );
+  });
+
   it('should return own service credentials', async () => {
     await expect(auth.getOwnServiceCredentials()).resolves.toEqual(
       mockCredentials.service('plugin:test'),

packages/backend-test-utils/src/next/services/MockAuthService.ts

@@ -117,6 +117,10 @@ export class MockAuthService implements AuthService {
     throw new AuthenticationError(`Unknown mock token '${token}'`);
   }
 
+  async getNoneCredentials() {
+    return mockCredentials.none();
+  }
+
   async getOwnServiceCredentials(): Promise<
     BackstageCredentials<BackstageServicePrincipal>
   > {