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import { Inject, Injectable } from '@angular/core';
import { DOCUMENT } from '@angular/common';
import { AbstractAppConfig } from '../../../app.config';
import { HttpClient } from '@angular/common/http';
import { catchError, map } from 'rxjs/operators';
import { throwError } from 'rxjs';
/**
 * `Oauth2Service` and `AuthService` cannot be merged as it creates a cyclic
 * dependency on `AuthService` through `HttpErrorService`.
 */
var AuthService = /** @class */ (function () {
    function AuthService(appConfig, httpClient, document) {
        var _this = this;
        this.appConfig = appConfig;
        this.httpClient = httpClient;
        this.document = document;
        this.tokensVault = (function () {
            var vault = {};
            var get = function (key) { var _a; return ((_a = vault[key]) === null || _a === void 0 ? void 0 : _a.expiresAt) > Date.now() + AuthService_1.VAULT_TTL_LEEWAY ? vault[key].value : undefined; };
            var set = function (key) { return function (value, expiresAt) { return (vault[key] = { value: value, expiresAt: expiresAt }) && value; }; };
            return { get: get, set: set };
        })();
        this.hasSession = function () { return __awaiter(_this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                return [2 /*return*/, this.renewTokens()
                        .then(function () { return true; })
                        .catch(function () { return false; })];
            });
        }); };
    }
    AuthService_1 = AuthService;
    AuthService.prototype.signIn = function () {
        var _this = this;
        var loginUrl = this.appConfig.getLoginUrl().replace(/\{\{(\w+)\}\}/g, function (_, key) { return ({
            client_id: _this.appConfig.getOAuth2ClientId(),
            redirect_uri: encodeURIComponent(_this.appConfig.getRedirectUri()),
        }[key]); });
        this.document.location.href = loginUrl;
    };
    AuthService.prototype.signOut = function () {
        var _this = this;
        var logoutUrl = this.appConfig.getSsoLogoutUrl().replace(/\{\{(\w+)\}\}/g, function (_, key) { return ({
            redirect_uri: encodeURIComponent(_this.document.location.origin),
        }[key]); });
        this.document.location.href = logoutUrl;
    };
    AuthService.prototype.getAccessToken = function () {
        return this.tokensVault.get(AuthService_1.ACCESS_TOKEN);
    };
    AuthService.prototype.getIdToken = function () {
        return this.tokensVault.get(AuthService_1.ID_TOKEN);
    };
    AuthService.prototype.renewTokens = function (code) {
        var _this = this;
        if (this.getAccessToken() && this.getIdToken()) {
            return Promise.resolve();
        }
        var url = window.location.origin + "/oauth2/tokens";
        return this.httpClient
            .get(url, { params: __assign({}, (code && { code: code })) })
            .pipe(catchError(function (error) {
            return throwError(error || 'Server error');
        }), map(function (_a) {
            var access_token = _a.access_token, id_token = _a.id_token, expires_in = _a.expires_in;
            var expires_at = Date.now() + expires_in * 1000;
            _this.tokensVault.set(AuthService_1.ACCESS_TOKEN)(access_token, expires_at);
            _this.tokensVault.set(AuthService_1.ID_TOKEN)(id_token, expires_at);
        }))
            .toPromise();
    };
    ;
    var AuthService_1;
    AuthService.VAULT_TTL_LEEWAY = 5000; // milliseconds
    AuthService.ACCESS_TOKEN = 'access_token';
    AuthService.ID_TOKEN = 'id_token';
    AuthService = AuthService_1 = __decorate([
        Injectable(),
        __param(2, Inject(DOCUMENT)),
        __metadata("design:paramtypes", [AbstractAppConfig,
            HttpClient, Object])
    ], AuthService);
    return AuthService;
}());
export { AuthService };
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