feat: add a custom auth config provider

.gitignore

@@ -55,3 +55,5 @@ pids
 
 # Diagnostic reports (https://nodejs.org/api/report.html)
 report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+/yalc.lock
+/.yalc/

jest.config.ts

@@ -9,15 +9,17 @@ module.exports = {
   reporters: ['default'],
   coverageThreshold: {
     global: {
-      branches: 78,
-      functions: 80,
+      branches: 80,
+      functions: 95,
       lines: 95,
-      statements: -10,
+      statements: -3,
     },
   },
   coveragePathIgnorePatterns: ['/node_modules/', '/integration-tests/'],
   coverageDirectory: '../test-run-reports/coverage/unit',
-  transformIgnorePatterns: ['/node_modules/(?!(@openmfp/portal-server-lib|graphql-request)/)'],
+  transformIgnorePatterns: [
+    '/node_modules/(?!(@openmfp/portal-server-lib|graphql-request)/)',
+  ],
   transform: {
     '^.+\\.(t|j)s$': [
       'ts-jest',

package.json

@@ -11,13 +11,18 @@
       "import": "./dist/portal-options/index.js",
       "types": "./dist/portal-options/index.d.ts"
     },
+    "./services": {
+      "import": "./dist/services/index.js",
+      "types": "./dist/services/index.d.ts"
+    },
     ".": {
       "import": "./dist/index.js",
       "types": "./dist/index.d.ts"
     }
   },
   "scripts": {
     "build": "nest build",
+    "build:watch": "mkdirp dist && nodemon --ignore dist --ext js,yml,yaml,ts,html,css,scss,json,md --exec \"rimraf dist && npm run build && yalc publish --push --sig\"",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\" \"libs/**/*.ts\"",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
     "test": "jest",
@@ -43,6 +48,7 @@
     "@nestjs/axios": ">=3.0.0",
     "@nestjs/common": ">=10.0.0",
     "@nestjs/serve-static": ">=4.0.0",
+    "@openmfp/portal-server-lib": ">=0.158.1",
     "axios": ">=1.7.7",
     "express": ">=4.21.1",
     "rxjs": ">=7.8.1"
@@ -73,5 +79,6 @@
     "tsconfig-paths": "4.2.0",
     "typescript": "5.8.3",
     "typescript-eslint": "^8.0.0"
-  }
+  },
+  "type": "module"
 }

src/portal-options/service-providers/iam/auth-callback-provider.spec.ts → src/portal-options/auth-callback-provider.spec.ts

@@ -1,5 +1,5 @@
-import { AuthCallbackProvider } from './auth-callback-provider';
-import { IAMGraphQlService } from './iam-graphql.service';
+import { AuthCallbackProvider } from './auth-callback-provider.js';
+import { IAMGraphQlService } from './services/iam-graphql.service.js';
 import { Test, TestingModule } from '@nestjs/testing';
 import type { AuthTokenData } from '@openmfp/portal-server-lib';
 import type { Request, Response } from 'express';

src/portal-options/service-providers/iam/auth-callback-provider.ts → src/portal-options/auth-callback-provider.ts

@@ -1,4 +1,4 @@
-import { IAMGraphQlService } from './iam-graphql.service.js';
+import { IAMGraphQlService } from './services/iam-graphql.service.js';
 import { Injectable, Logger } from '@nestjs/common';
 import { AuthCallback, AuthTokenData } from '@openmfp/portal-server-lib';
 import { Request, Response } from 'express';

src/portal-options/auth-config-provider.spec.ts

@@ -0,0 +1,91 @@
+import { PMAuthConfigProvider } from './auth-config-provider.js';
+import { HttpException } from '@nestjs/common';
+import {
+  DiscoveryService,
+  EnvAuthConfigService,
+} from '@openmfp/portal-server-lib';
+import type { Request } from 'express';
+import { mock } from 'jest-mock-extended';
+
+describe('PMAuthConfigProvider', () => {
+  let provider: PMAuthConfigProvider;
+  let discoveryService: jest.Mocked<DiscoveryService>;
+  let envAuthConfigService: jest.Mocked<EnvAuthConfigService>;
+
+  beforeEach(() => {
+    discoveryService = mock<DiscoveryService>();
+    envAuthConfigService = mock<EnvAuthConfigService>();
+    provider = new PMAuthConfigProvider(discoveryService, envAuthConfigService);
+    jest.resetModules();
+    process.env = {
+      AUTH_SERVER_URL_DEFAULT: 'authUrl',
+      TOKEN_URL_DEFAULT: 'tokenUrl',
+      BASE_DOMAINS_DEFAULT: 'example.com',
+      OIDC_CLIENT_ID_DEFAULT: 'client123',
+      OIDC_CLIENT_SECRET_DEFAULT: 'secret123',
+    };
+  });
+
+  it('should delegate to EnvAuthConfigService if available', async () => {
+    const req = { hostname: 'foo.example.com' } as Request;
+    const expected = {
+      idpName: 'idp',
+      baseDomain: 'example.com',
+      oauthServerUrl: 'url',
+      oauthTokenUrl: 'token',
+      clientId: 'cid',
+      clientSecret: 'sec',
+    };
+    envAuthConfigService.getAuthConfig.mockResolvedValue(expected);
+
+    const result = await provider.getAuthConfig(req);
+
+    expect(result).toEqual(expected);
+  });
+
+  it('should fall back to default configuration if EnvAuthConfigService throws', async () => {
+    const req = { hostname: 'foo.example.com' } as Request;
+    envAuthConfigService.getAuthConfig.mockRejectedValue(new Error('fail'));
+    discoveryService.getOIDC.mockResolvedValue({
+      authorization_endpoint: 'authUrl',
+      token_endpoint: 'tokenUrl',
+    });
+
+    const result = await provider.getAuthConfig(req);
+
+    expect(result).toMatchObject({
+      baseDomain: 'example.com',
+      oauthServerUrl: 'authUrl',
+      oauthTokenUrl: 'tokenUrl',
+      clientId: 'client123',
+      clientSecret: 'secret123',
+    });
+  });
+
+  it('should throw if default configuration incomplete', async () => {
+    const req = { hostname: 'foo.example.com' } as Request;
+    envAuthConfigService.getAuthConfig.mockRejectedValue(new Error('fail'));
+    discoveryService.getOIDC.mockResolvedValue(null);
+    process.env = {};
+
+    await expect(provider.getAuthConfig(req)).rejects.toThrow(HttpException);
+  });
+
+  it('getDomain should return organization and baseDomain', () => {
+    const req = { hostname: 'foo.example.com' } as Request;
+    const result = provider.getDomain(req);
+    expect(result).toEqual({
+      organization: 'foo',
+      baseDomain: 'example.com',
+    });
+  });
+
+  it('getDomain should return clientId if hostname equals baseDomain', () => {
+    const req = { hostname: 'example.com' } as Request;
+    const result = provider.getDomain(req);
+    expect(result).toEqual({
+      organization: 'client123',
+      baseDomain: 'example.com',
+    });
+  });
+});

src/portal-options/auth-config-provider.ts

@@ -0,0 +1,73 @@
+import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
+import {
+  AuthConfigService,
+  DiscoveryService,
+  EnvAuthConfigService,
+  ServerAuthVariables,
+} from '@openmfp/portal-server-lib';
+import type { Request } from 'express';
+
+@Injectable()
+export class PMAuthConfigProvider implements AuthConfigService {
+  constructor(
+    private discoveryService: DiscoveryService,
+    private envEuthConfigService: EnvAuthConfigService,
+  ) {}
+
+  async getAuthConfig(request: Request): Promise<ServerAuthVariables> {
+    try {
+      return await this.envEuthConfigService.getAuthConfig(request);
+    } catch {
+      console.log(
+        'Failed to retrieve auth config from environment variables based on provided IDP.',
+      );
+    }
+
+    console.log('Resolving auth config from default configuration.');
+
+    const oidc = await this.discoveryService.getOIDC('DEFAULT');
+    const oauthServerUrl =
+      oidc?.authorization_endpoint ?? process.env['AUTH_SERVER_URL_DEFAULT'];
+    const oauthTokenUrl =
+      oidc?.token_endpoint ?? process.env['TOKEN_URL_DEFAULT'];
+
+    const baseDomain = process.env['BASE_DOMAINS_DEFAULT'];
+    const clientId = process.env['OIDC_CLIENT_ID_DEFAULT'];
+    const clientSecretEnvVar = 'OIDC_CLIENT_SECRET_DEFAULT';
+    const clientSecret = process.env[clientSecretEnvVar];
+
+    if (!oauthServerUrl || !oauthTokenUrl || !clientId || !clientSecret) {
+      const hasClientSecret = !!clientSecret;
+      throw new HttpException(
+        {
+          message: 'Default auth configuration incomplete.',
+          error: `The default properly configured. oauthServerUrl: '${oauthServerUrl}' oauthTokenUrl: '${oauthTokenUrl}' clientId: '${clientId}', has client secret (${clientSecretEnvVar}): ${String(
+            hasClientSecret,
+          )}`,
+          statusCode: HttpStatus.NOT_FOUND,
+        },
+        HttpStatus.NOT_FOUND,
+      );
+    }
+
+    const subDomain = request.hostname.split('.')[0];
+    return {
+      idpName: request.hostname === baseDomain ? clientId : subDomain,
+      baseDomain,
+      oauthServerUrl,
+      clientId,
+      clientSecret,
+      oauthTokenUrl,
+    };
+  }
+
+  getDomain(request: Request): { organization?: string; baseDomain?: string } {
+    const subDomain = request.hostname.split('.')[0];
+    const clientId = process.env['OIDC_CLIENT_ID_DEFAULT'];
+    const baseDomain = process.env['BASE_DOMAINS_DEFAULT'];
+    return {
+      organization: request.hostname === baseDomain ? clientId : subDomain,
+      baseDomain,
+    };
+  }
+}

src/portal-options/index.ts

@@ -1,6 +1,7 @@
-export * from './entity-context-provider/account-entity-context-provider.service.js';
-export * from './portal-context-provider/openmfp-portal-context.service.js';
-export * from './request-context-provider/openmfp-request-context-provider.js';
+export * from './account-entity-context-provider.service.js';
+export * from './openmfp-portal-context.service.js';
+export * from './openmfp-request-context-provider.js';
+export * from './auth-config-provider.js';
 export * from './service-providers/content-configuration-service-providers.service.js';
-export * from './service-providers/iam/auth-callback-provider.js';
-export * from './service-providers/iam/iam-graphql.service.js';
+export * from './auth-callback-provider.js';
+export * from './services/iam-graphql.service.js';