222 lines
6.9 KiB
TypeScript
222 lines
6.9 KiB
TypeScript
import { Injectable } from '@angular/core';
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import { hobaParseChallengeHeader } from '@src/assets/js/hoba.js';
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import { signChallenge } from '@src/assets/js/hoba-pgp.js';
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import { environment } from '@src/environments/environment';
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import { LoggingService } from '@app/_services/logging.service';
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import { MutableKeyStore, MutablePgpKeyStore } from '@app/_pgp';
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import { ErrorDialogService } from '@app/_services/error-dialog.service';
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import { HttpClient } from '@angular/common/http';
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import { HttpError, rejectBody } from '@app/_helpers/global-error-handler';
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@Injectable({
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providedIn: 'root',
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})
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export class AuthService {
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sessionToken: any;
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privateKey: any;
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mutableKeyStore: MutableKeyStore;
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constructor(
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private httpClient: HttpClient,
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private loggingService: LoggingService,
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private errorDialogService: ErrorDialogService
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) {
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this.mutableKeyStore = new MutablePgpKeyStore();
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}
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async init(): Promise<void> {
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await this.mutableKeyStore.loadKeyring();
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// TODO setting these together should be atomic
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if (sessionStorage.getItem(btoa('CICADA_SESSION_TOKEN'))) {
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this.sessionToken = sessionStorage.getItem(btoa('CICADA_SESSION_TOKEN'));
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}
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if (localStorage.getItem(btoa('CICADA_PRIVATE_KEY'))) {
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this.privateKey = localStorage.getItem(btoa('CICADA_PRIVATE_KEY'));
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await this.mutableKeyStore.importPrivateKey(localStorage.getItem(btoa('CICADA_PRIVATE_KEY')));
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}
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}
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setState(s): void {
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document.getElementById('state').innerHTML = s;
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}
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getWithToken(): Promise<boolean> {
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return new Promise((resolve, reject) => {
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const headers = {
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Authorization: 'Bearer ' + this.sessionToken,
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'Content-Type': 'application/json;charset=utf-8',
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'x-cic-automerge': 'none',
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};
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const options = {
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headers,
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};
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fetch(environment.cicMetaUrl, options).then((response) => {
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if (response.status === 401) {
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return reject(rejectBody(response));
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}
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return resolve(true);
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});
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});
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}
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// TODO rename to send signed challenge and set session. Also separate these responsibilities
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sendResponse(hobaResponseEncoded: any): Promise<boolean> {
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return new Promise((resolve, reject) => {
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const headers = {
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Authorization: 'HOBA ' + hobaResponseEncoded,
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'Content-Type': 'application/json;charset=utf-8',
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'x-cic-automerge': 'none',
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};
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const options = {
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headers,
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};
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fetch(environment.cicMetaUrl, options).then((response) => {
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if (response.status === 401) {
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return reject(rejectBody(response));
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}
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this.sessionToken = response.headers.get('Token');
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sessionStorage.setItem(btoa('CICADA_SESSION_TOKEN'), this.sessionToken);
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this.setState('Click button to log in');
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return resolve(true);
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});
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});
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}
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getChallenge(): Promise<any> {
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return new Promise((resolve, reject) => {
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fetch(environment.cicMetaUrl).then(async (response) => {
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if (response.status === 401) {
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const authHeader: string = response.headers.get('WWW-Authenticate');
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return resolve(hobaParseChallengeHeader(authHeader));
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}
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if (!response.ok) {
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return reject(rejectBody(response));
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}
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});
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});
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}
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async passwordLogin(password: string): Promise<boolean> {
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try {
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const o = await this.getChallenge();
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await this.loginResponse(o, password);
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return true;
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} catch (error) {
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this.loggingService.sendErrorLevelMessage(
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`Login challenge failed: Error ${error.status} - ${error.statusText}`,
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this,
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{ error }
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);
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}
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return false;
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}
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async login(): Promise<boolean> {
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if (this.sessionToken !== undefined) {
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try {
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this.getWithToken();
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return true;
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} catch (error) {
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this.loggingService.sendErrorLevelMessage(
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`Login token failed: Error ${error.status} - ${error.statusText}`,
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this,
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{ error }
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);
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}
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}
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return false;
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}
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async loginResponse(o: { challenge: string; realm: any }): Promise<any> {
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return new Promise(async (resolve, reject) => {
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try {
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const r = await signChallenge(
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o.challenge,
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o.realm,
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environment.cicMetaUrl,
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this.mutableKeyStore
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);
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const response: boolean = await this.sendResponse(r);
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resolve(response);
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} catch (error) {
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if (error instanceof HttpError) {
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if (error.status === 403) {
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this.errorDialogService.openDialog({
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message: 'You are not authorized to use this system',
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});
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} else if (error.status === 401) {
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this.errorDialogService.openDialog({
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message:
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'Unable to authenticate with the service. ' +
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'Please speak with the staff at Grassroots ' +
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'Economics for requesting access ' +
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'staff@grassrootseconomics.net.',
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});
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}
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} else {
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// TODO define this error
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this.errorDialogService.openDialog({ message: 'Incorrect key passphrase.' });
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}
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resolve(false);
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}
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});
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}
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async setKey(privateKeyArmored): Promise<boolean> {
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try {
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const isValidKeyCheck = await this.mutableKeyStore.isValidKey(privateKeyArmored);
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if (!isValidKeyCheck) {
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throw Error('The private key is invalid');
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}
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const isEncryptedKeyCheck = await this.mutableKeyStore.isEncryptedPrivateKey(
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privateKeyArmored
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);
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if (!isEncryptedKeyCheck) {
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throw Error('The private key does not have a password!');
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}
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const key = await this.mutableKeyStore.importPrivateKey(privateKeyArmored);
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localStorage.setItem(btoa('CICADA_PRIVATE_KEY'), privateKeyArmored);
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} catch (err) {
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this.loggingService.sendErrorLevelMessage(
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`Failed to set key: ${err.message || err.statusText}`,
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this,
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{ error: err }
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);
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this.errorDialogService.openDialog({
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message: `Failed to set key: ${err.message || err.statusText}`,
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});
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return false;
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}
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return true;
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}
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logout(): void {
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sessionStorage.removeItem(btoa('CICADA_SESSION_TOKEN'));
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localStorage.removeItem(btoa('CICADA_PRIVATE_KEY'));
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this.sessionToken = undefined;
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window.location.reload();
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}
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getTrustedUsers(): any {
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const trustedUsers: Array<any> = [];
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this.mutableKeyStore.getPublicKeys().forEach((key) => trustedUsers.push(key.users[0].userId));
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return trustedUsers;
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}
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async getPublicKeys(): Promise<any> {
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return new Promise((resolve, reject) => {
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fetch(environment.publicKeysUrl).then((res) => {
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if (!res.ok) {
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// TODO does angular recommend an error interface?
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return reject(rejectBody(res));
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}
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return resolve(res.text());
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});
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});
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}
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getPrivateKey(): any {
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return this.mutableKeyStore.getPrivateKey();
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}
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}
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