angular-auth-oidc-client
Version:
An OpenID Connect Code Flow with PKCE,Implicit Flow client for Angular
271 lines • 23.8 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Injectable, NgZone } from '@angular/core';
import { from, Observable, Subject } from 'rxjs';
import { take } from 'rxjs/operators';
import { ConfigurationProvider } from './auth-configuration.provider';
import { IFrameService } from './existing-iframe.service';
import { LoggerService } from './oidc.logger.service';
import { OidcSecurityCommon } from './oidc.security.common';
/** @type {?} */
const IFRAME_FOR_CHECK_SESSION_IDENTIFIER = 'myiFrameForCheckSession';
// http://openid.net/specs/openid-connect-session-1_0-ID4.html
export class OidcSecurityCheckSession {
/**
* @param {?} oidcSecurityCommon
* @param {?} loggerService
* @param {?} iFrameService
* @param {?} zone
* @param {?} configurationProvider
*/
constructor(oidcSecurityCommon, loggerService, iFrameService, zone, configurationProvider) {
this.oidcSecurityCommon = oidcSecurityCommon;
this.loggerService = loggerService;
this.iFrameService = iFrameService;
this.zone = zone;
this.configurationProvider = configurationProvider;
this.lastIFrameRefresh = 0;
this.outstandingMessages = 0;
this.heartBeatInterval = 3000;
this.iframeRefreshInterval = 60000;
this._onCheckSessionChanged = new Subject();
}
/**
* @return {?}
*/
get onCheckSessionChanged() {
return this._onCheckSessionChanged.asObservable();
}
/**
* @private
* @return {?}
*/
doesSessionExist() {
/** @type {?} */
const existingIFrame = this.iFrameService.getExistingIFrame(IFRAME_FOR_CHECK_SESSION_IDENTIFIER);
if (!existingIFrame) {
return false;
}
this.sessionIframe = existingIFrame;
return true;
}
/**
* @private
* @return {?}
*/
init() {
if (this.lastIFrameRefresh + this.iframeRefreshInterval > Date.now()) {
return from([this]);
}
if (!this.doesSessionExist()) {
this.sessionIframe = this.iFrameService.addIFrameToWindowBody(IFRAME_FOR_CHECK_SESSION_IDENTIFIER);
this.iframeMessageEvent = this.messageHandler.bind(this);
window.addEventListener('message', this.iframeMessageEvent, false);
}
if (!this.configurationProvider.wellKnownEndpoints) {
this.loggerService.logWarning('init check session: authWellKnownEndpoints is undefined. Returning.');
return;
}
if (this.configurationProvider.wellKnownEndpoints.check_session_iframe) {
this.sessionIframe.contentWindow.location.replace(this.configurationProvider.wellKnownEndpoints.check_session_iframe);
}
else {
this.loggerService.logWarning('init check session: authWellKnownEndpoints is undefined');
}
return Observable.create((/**
* @param {?} observer
* @return {?}
*/
(observer) => {
this.sessionIframe.onload = (/**
* @return {?}
*/
() => {
this.lastIFrameRefresh = Date.now();
observer.next(this);
observer.complete();
});
}));
}
/**
* @param {?} clientId
* @return {?}
*/
startCheckingSession(clientId) {
if (this.scheduledHeartBeat) {
return;
}
this.pollServerSession(clientId);
}
/**
* @return {?}
*/
stopCheckingSession() {
if (!this.scheduledHeartBeat) {
return;
}
this.clearScheduledHeartBeat();
}
/**
* @private
* @param {?} clientId
* @return {?}
*/
pollServerSession(clientId) {
/** @type {?} */
const _pollServerSessionRecur = (/**
* @return {?}
*/
() => {
this.init()
.pipe(take(1))
.subscribe((/**
* @return {?}
*/
() => {
if (this.sessionIframe && clientId) {
this.loggerService.logDebug(this.sessionIframe);
/** @type {?} */
const session_state = this.oidcSecurityCommon.sessionState;
if (session_state) {
this.outstandingMessages++;
this.sessionIframe.contentWindow.postMessage(clientId + ' ' + session_state, this.configurationProvider.openIDConfiguration.stsServer);
}
else {
this.loggerService.logDebug('OidcSecurityCheckSession pollServerSession session_state is blank');
this._onCheckSessionChanged.next();
}
}
else {
this.loggerService.logWarning('OidcSecurityCheckSession pollServerSession sessionIframe does not exist');
this.loggerService.logDebug(clientId);
this.loggerService.logDebug(this.sessionIframe);
// this.init();
}
// after sending three messages with no response, fail.
if (this.outstandingMessages > 3) {
this.loggerService.logError(`OidcSecurityCheckSession not receiving check session response messages. Outstanding messages: ${this.outstandingMessages}. Server unreachable?`);
this._onCheckSessionChanged.next();
}
this.scheduledHeartBeat = setTimeout(_pollServerSessionRecur, this.heartBeatInterval);
}));
});
this.outstandingMessages = 0;
this.zone.runOutsideAngular((/**
* @return {?}
*/
() => {
this.scheduledHeartBeat = setTimeout(_pollServerSessionRecur, this.heartBeatInterval);
}));
}
/**
* @private
* @return {?}
*/
clearScheduledHeartBeat() {
clearTimeout(this.scheduledHeartBeat);
this.scheduledHeartBeat = null;
}
/**
* @private
* @param {?} e
* @return {?}
*/
messageHandler(e) {
this.outstandingMessages = 0;
if (this.sessionIframe &&
e.origin === this.configurationProvider.openIDConfiguration.stsServer &&
e.source === this.sessionIframe.contentWindow) {
if (e.data === 'error') {
this.loggerService.logWarning('error from checksession messageHandler');
}
else if (e.data === 'changed') {
this._onCheckSessionChanged.next();
}
else {
this.loggerService.logDebug(e.data + ' from checksession messageHandler');
}
}
}
}
OidcSecurityCheckSession.decorators = [
{ type: Injectable }
];
/** @nocollapse */
OidcSecurityCheckSession.ctorParameters = () => [
{ type: OidcSecurityCommon },
{ type: LoggerService },
{ type: IFrameService },
{ type: NgZone },
{ type: ConfigurationProvider }
];
if (false) {
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.sessionIframe;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.iframeMessageEvent;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.scheduledHeartBeat;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.lastIFrameRefresh;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.outstandingMessages;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.heartBeatInterval;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.iframeRefreshInterval;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype._onCheckSessionChanged;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.oidcSecurityCommon;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.loggerService;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.iFrameService;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.zone;
/**
* @type {?}
* @private
*/
OidcSecurityCheckSession.prototype.configurationProvider;
}
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{ Injectable, NgZone } from '@angular/core';\nimport { from, Observable, Observer, Subject } from 'rxjs';\nimport { take } from 'rxjs/operators';\nimport { ConfigurationProvider } from './auth-configuration.provider';\nimport { IFrameService } from './existing-iframe.service';\nimport { LoggerService } from './oidc.logger.service';\nimport { OidcSecurityCommon } from './oidc.security.common';\n\nconst IFRAME_FOR_CHECK_SESSION_IDENTIFIER = 'myiFrameForCheckSession';\n\n// http://openid.net/specs/openid-connect-session-1_0-ID4.html\n\n@Injectable()\nexport class OidcSecurityCheckSession {\n    private sessionIframe: any;\n    private iframeMessageEvent: any;\n    private scheduledHeartBeat: any;\n    private lastIFrameRefresh = 0;\n    private outstandingMessages = 0;\n    private heartBeatInterval = 3000;\n    private iframeRefreshInterval = 60000;\n    private _onCheckSessionChanged = new Subject<any>();\n\n    public get onCheckSessionChanged(): Observable<any> {\n        return this._onCheckSessionChanged.asObservable();\n    }\n\n    constructor(\n        private oidcSecurityCommon: OidcSecurityCommon,\n        private loggerService: LoggerService,\n        private iFrameService: IFrameService,\n        private zone: NgZone,\n        private readonly configurationProvider: ConfigurationProvider\n    ) {}\n\n    private doesSessionExist(): boolean {\n        const existingIFrame = this.iFrameService.getExistingIFrame(IFRAME_FOR_CHECK_SESSION_IDENTIFIER);\n\n        if (!existingIFrame) {\n            return false;\n        }\n\n        this.sessionIframe = existingIFrame;\n        return true;\n    }\n\n    private init() {\n        if (this.lastIFrameRefresh + this.iframeRefreshInterval > Date.now()) {\n            return from([this]);\n        }\n\n        if (!this.doesSessionExist()) {\n            this.sessionIframe = this.iFrameService.addIFrameToWindowBody(IFRAME_FOR_CHECK_SESSION_IDENTIFIER);\n            this.iframeMessageEvent = this.messageHandler.bind(this);\n            window.addEventListener('message', this.iframeMessageEvent, false);\n        }\n\n        if (!this.configurationProvider.wellKnownEndpoints) {\n            this.loggerService.logWarning('init check session: authWellKnownEndpoints is undefined. Returning.');\n            return;\n        }\n\n        if (this.configurationProvider.wellKnownEndpoints.check_session_iframe) {\n            this.sessionIframe.contentWindow.location.replace(this.configurationProvider.wellKnownEndpoints.check_session_iframe);\n        } else {\n            this.loggerService.logWarning('init check session: authWellKnownEndpoints is undefined');\n        }\n\n        return Observable.create((observer: Observer<OidcSecurityCheckSession>) => {\n            this.sessionIframe.onload = () => {\n                this.lastIFrameRefresh = Date.now();\n                observer.next(this);\n                observer.complete();\n            };\n        });\n    }\n\n    startCheckingSession(clientId: string): void {\n        if (this.scheduledHeartBeat) {\n            return;\n        }\n\n        this.pollServerSession(clientId);\n    }\n\n    stopCheckingSession(): void {\n        if (!this.scheduledHeartBeat) {\n            return;\n        }\n\n        this.clearScheduledHeartBeat();\n    }\n\n    private pollServerSession(clientId: string) {\n        const _pollServerSessionRecur = () => {\n            this.init()\n                .pipe(take(1))\n                .subscribe(() => {\n                    if (this.sessionIframe && clientId) {\n                        this.loggerService.logDebug(this.sessionIframe);\n                        const session_state = this.oidcSecurityCommon.sessionState;\n                        if (session_state) {\n                            this.outstandingMessages++;\n                            this.sessionIframe.contentWindow.postMessage(\n                                clientId + ' ' + session_state,\n                                this.configurationProvider.openIDConfiguration.stsServer\n                            );\n                        } else {\n                            this.loggerService.logDebug('OidcSecurityCheckSession pollServerSession session_state is blank');\n                            this._onCheckSessionChanged.next();\n                        }\n                    } else {\n                        this.loggerService.logWarning('OidcSecurityCheckSession pollServerSession sessionIframe does not exist');\n                        this.loggerService.logDebug(clientId);\n                        this.loggerService.logDebug(this.sessionIframe);\n                        // this.init();\n                    }\n\n                    // after sending three messages with no response, fail.\n                    if (this.outstandingMessages > 3) {\n                        this.loggerService.logError(\n                            `OidcSecurityCheckSession not receiving check session response messages. Outstanding messages: ${\n                                this.outstandingMessages\n                            }. Server unreachable?`\n                        );\n                        this._onCheckSessionChanged.next();\n                    }\n\n                    this.scheduledHeartBeat = setTimeout(_pollServerSessionRecur, this.heartBeatInterval);\n                });\n        };\n\n        this.outstandingMessages = 0;\n\n        this.zone.runOutsideAngular(() => {\n            this.scheduledHeartBeat = setTimeout(_pollServerSessionRecur, this.heartBeatInterval);\n        });\n    }\n    private clearScheduledHeartBeat() {\n        clearTimeout(this.scheduledHeartBeat);\n        this.scheduledHeartBeat = null;\n    }\n\n    private messageHandler(e: any) {\n        this.outstandingMessages = 0;\n        if (\n            this.sessionIframe &&\n            e.origin === this.configurationProvider.openIDConfiguration.stsServer &&\n            e.source === this.sessionIframe.contentWindow\n        ) {\n            if (e.data === 'error') {\n                this.loggerService.logWarning('error from checksession messageHandler');\n            } else if (e.data === 'changed') {\n                this._onCheckSessionChanged.next();\n            } else {\n                this.loggerService.logDebug(e.data + ' from checksession messageHandler');\n            }\n        }\n    }\n}\n"]}