@okta/okta-angular
Version:
Angular support for Okta
122 lines • 17 kB
JavaScript
/*
* Copyright (c) 2017-Present, Okta, Inc. and/or its affiliates. All rights reserved.
* The Okta software accompanied by this notice is provided pursuant to the Apache License, Version 2.0 (the "License.")
*
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and limitations under the License.
*/
import { Injectable, Injector, Inject } from '@angular/core';
import { Router, NavigationStart } from '@angular/router';
import { filter } from 'rxjs/operators';
import { OktaAuth } from '@okta/okta-auth-js';
import { OktaAuthConfigService } from './services/auth-config.serice';
import { OKTA_AUTH } from './models/okta.config';
import * as i0 from "@angular/core";
import * as i1 from "./services/auth-config.serice";
import * as i2 from "@okta/okta-auth-js";
export class OktaAuthGuard {
oktaAuth;
injector;
configService;
state;
routeData;
onAuthRequired;
constructor(oktaAuth, injector, configService) {
this.oktaAuth = oktaAuth;
this.injector = injector;
this.configService = configService;
const config = this.configService.getConfig();
if (!config) {
throw new Error('Okta config is not provided');
}
this.onAuthRequired = config.onAuthRequired;
// Unsubscribe updateAuthStateListener when route change
const router = injector.get(Router);
router.events.pipe(filter((e) => e instanceof NavigationStart && this.state && this.state.url !== e.url)).subscribe(() => {
this.oktaAuth.authStateManager.unsubscribe(this.updateAuthStateListener);
});
}
async canLoad(route) {
this.onAuthRequired = route.data?.onAuthRequired || this.onAuthRequired;
const isAuthenticated = await this.isAuthenticated(route.data);
if (isAuthenticated) {
return true;
}
const router = this.injector.get(Router);
const nav = router.getCurrentNavigation();
const originalUri = nav ? nav.extractedUrl.toString() : undefined;
await this.handleLogin(originalUri, route.data);
return false;
}
/**
* Gateway for protected route. Returns true if there is a valid idToken,
* otherwise it will cache the route and start the login flow.
* @param route
* @param state
*/
async canActivate(route, state) {
// Track states for current route
this.state = state;
this.routeData = route.data;
this.onAuthRequired = route.data && route.data.onAuthRequired || this.onAuthRequired;
// Protect the route after accessing
this.oktaAuth.authStateManager.subscribe(this.updateAuthStateListener);
const isAuthenticated = await this.isAuthenticated(route.data);
if (isAuthenticated) {
return true;
}
await this.handleLogin(state.url, route.data);
return false;
}
async canActivateChild(route, state) {
return this.canActivate(route, state);
}
async isAuthenticated(routeData, authState) {
const isAuthenticated = authState ? authState?.isAuthenticated : await this.oktaAuth.isAuthenticated();
let res = isAuthenticated;
if (routeData?.okta?.acrValues) {
if (!authState) {
authState = this.oktaAuth.authStateManager.getAuthState();
}
res = authState?.idToken?.claims.acr === routeData?.okta?.acrValues;
}
return res;
}
async handleLogin(originalUri, routeData) {
// Store the current path
if (originalUri) {
this.oktaAuth.setOriginalUri(originalUri);
}
const options = {};
if (routeData?.okta?.acrValues) {
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore Supports auth-js >= 7.1.0
options.acrValues = routeData.okta.acrValues;
}
if (this.onAuthRequired) {
this.onAuthRequired(this.oktaAuth, this.injector, options);
}
else {
this.oktaAuth.signInWithRedirect(options);
}
}
updateAuthStateListener = async (authState) => {
const isAuthenticated = await this.isAuthenticated(this.routeData, authState);
if (!isAuthenticated) {
this.handleLogin(this.state.url, this.routeData);
}
};
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: OktaAuthGuard, deps: [{ token: OKTA_AUTH }, { token: i0.Injector }, { token: i1.OktaAuthConfigService }], target: i0.ɵɵFactoryTarget.Injectable });
static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: OktaAuthGuard });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: OktaAuthGuard, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: i2.OktaAuth, decorators: [{
type: Inject,
args: [OKTA_AUTH]
}] }, { type: i0.Injector }, { type: i1.OktaAuthConfigService }]; } });
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All rights reserved.\n * The Okta software accompanied by this notice is provided pursuant to the Apache License, Version 2.0 (the \"License.\")\n *\n * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT\n * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n *\n * See the License for the specific language governing permissions and limitations under the License.\n */\n\nimport { Injectable, Injector, Inject } from '@angular/core';\nimport {\n  CanActivate,\n  CanActivateChild,\n  ActivatedRouteSnapshot,\n  RouterStateSnapshot,\n  Router,\n  NavigationStart, \n  Event,\n  CanLoad,\n  Route,\n  Data\n} from '@angular/router';\nimport { filter } from 'rxjs/operators';\n\nimport { OktaAuth, AuthState, TokenParams } from '@okta/okta-auth-js';\nimport { OktaAuthConfigService } from './services/auth-config.serice';\nimport { AuthRequiredFunction, OKTA_AUTH } from './models/okta.config';\n\n@Injectable()\nexport class OktaAuthGuard implements CanActivate, CanActivateChild, CanLoad {\n  private state: RouterStateSnapshot;\n  private routeData: Data;\n  private onAuthRequired?: AuthRequiredFunction;\n\n  constructor(\n    @Inject(OKTA_AUTH) private oktaAuth: OktaAuth, \n    private injector: Injector,\n    private configService: OktaAuthConfigService\n  ) {\n    const config = this.configService.getConfig();\n    if (!config) {\n      throw new Error('Okta config is not provided');\n    }\n    this.onAuthRequired = config.onAuthRequired;\n\n    // Unsubscribe updateAuthStateListener when route change\n    const router = injector.get(Router);\n    router.events.pipe(\n      filter((e: Event) => e instanceof NavigationStart && this.state && this.state.url !== e.url)\n    ).subscribe(() => {\n      this.oktaAuth.authStateManager.unsubscribe(this.updateAuthStateListener);\n    });\n  }\n\n  async canLoad(route: Route): Promise<boolean> {\n    this.onAuthRequired = route.data?.onAuthRequired || this.onAuthRequired;\n\n    const isAuthenticated = await this.isAuthenticated(route.data);\n    if (isAuthenticated) {\n      return true;\n    }\n\n    const router = this.injector.get(Router);\n    const nav = router.getCurrentNavigation();\n    const originalUri = nav ? nav.extractedUrl.toString() : undefined;\n    await this.handleLogin(originalUri, route.data);\n\n    return false;\n  }\n\n  /**\n   * Gateway for protected route. Returns true if there is a valid idToken,\n   * otherwise it will cache the route and start the login flow.\n   * @param route\n   * @param state\n   */\n  async canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Promise<boolean> {\n    // Track states for current route\n    this.state = state;\n    this.routeData = route.data;\n    this.onAuthRequired = route.data && route.data.onAuthRequired || this.onAuthRequired;\n\n    // Protect the route after accessing\n    this.oktaAuth.authStateManager.subscribe(this.updateAuthStateListener);\n    const isAuthenticated = await this.isAuthenticated(route.data);\n    if (isAuthenticated) {\n      return true;\n    }\n\n    await this.handleLogin(state.url, route.data);\n\n    return false;\n  }\n\n  async canActivateChild(\n    route: ActivatedRouteSnapshot,\n    state: RouterStateSnapshot\n  ): Promise<boolean> {\n    return this.canActivate(route, state);\n  }\n\n  private async isAuthenticated(routeData?: Data, authState?: AuthState | null) {\n    const isAuthenticated = authState ? authState?.isAuthenticated : await this.oktaAuth.isAuthenticated();\n    let res = isAuthenticated;\n    if (routeData?.okta?.acrValues) {\n      if (!authState) {\n        authState = this.oktaAuth.authStateManager.getAuthState();\n      }\n      res = authState?.idToken?.claims.acr === routeData?.okta?.acrValues;\n    }\n    return res;\n  }\n\n  private async handleLogin(originalUri?: string, routeData?: Data): Promise<void> {\n    // Store the current path\n    if (originalUri) {\n      this.oktaAuth.setOriginalUri(originalUri);\n    }\n\n    const options: TokenParams = {};\n    if (routeData?.okta?.acrValues) {\n      // eslint-disable-next-line @typescript-eslint/ban-ts-comment\n      // @ts-ignore Supports auth-js >= 7.1.0\n      options.acrValues = routeData.okta.acrValues;\n    }\n\n    if (this.onAuthRequired) {\n      this.onAuthRequired(this.oktaAuth, this.injector, options);\n    } else {\n      this.oktaAuth.signInWithRedirect(options);\n    }\n  }\n\n  private updateAuthStateListener = async (authState: AuthState) => {\n    const isAuthenticated = await this.isAuthenticated(this.routeData, authState);\n    if (!isAuthenticated) {\n      this.handleLogin(this.state.url, this.routeData);\n    }\n  };\n\n}\n"]}