adal-angular-custom/adal.interceptor.js

Angular 4+ ADAL Wrapper With Custom Extensions

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { Injectable } from '@angular/core';
import { mergeMap } from 'rxjs/operators';
import { AdalService } from './adal.service';
var AdalInterceptor = /** @class */ (function () {
    function AdalInterceptor(adal) {
        this.adal = adal;
    }
    AdalInterceptor.prototype.intercept = function (request, next) {
        // if the endpoint is not registered then pass
        // the request as it is to the next handler
        var resource = this.adal.getResourceForEndpoint(request.url);
        if (!resource) {
            return next.handle(request);
        }
        // if the user is not authenticated then drop the request
        if (!this.adal.userInfo.authenticated) {
            throw new Error('Cannot send request to registered endpoint if the user is not authenticated.');
        }
        // if the endpoint is registered then acquire and inject token
        return this.adal.acquireToken(resource)
            .pipe(mergeMap(function (token) {
            // clone the request and replace the original headers with
            // cloned headers, updated with the authorization
            var authorizedRequest = request.clone({
                headers: request.headers.set('Authorization', 'Bearer ' + token),
            });
            return next.handle(authorizedRequest);
        }));
    };
    AdalInterceptor = __decorate([
        Injectable(),
        __metadata("design:paramtypes", [AdalService])
    ], AdalInterceptor);
    return AdalInterceptor;
}());
export { AdalInterceptor };
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