211 lines
6.7 KiB
TypeScript
211 lines
6.7 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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import { Staff } from '@app/_models';
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import { BehaviorSubject, Observable } from 'rxjs';
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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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mutableKeyStore: MutableKeyStore;
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trustedUsers: Array<Staff> = [];
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private trustedUsersList: BehaviorSubject<Array<Staff>> = new BehaviorSubject<Array<Staff>>(
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this.trustedUsers
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);
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trustedUsersSubject: Observable<Array<Staff>> = this.trustedUsersList.asObservable();
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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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if (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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getSessionToken(): string {
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return sessionStorage.getItem(btoa('CICADA_SESSION_TOKEN'));
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}
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setSessionToken(token): void {
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sessionStorage.setItem(btoa('CICADA_SESSION_TOKEN'), token);
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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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const headers = {
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Authorization: 'Bearer ' + this.getSessionToken,
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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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return fetch(environment.cicMetaUrl, options).then((response) => {
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if (!response.ok) {
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this.loggingService.sendErrorLevelMessage('failed to get with auth token.',
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this,
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{ error: "" });
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return false;
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}
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return true;
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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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sendSignedChallenge(hobaResponseEncoded: any): Promise<any> {
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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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return fetch(environment.cicMetaUrl, options)
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}
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getChallenge(): Promise<any> {
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return fetch(environment.cicMetaUrl)
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.then(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 hobaParseChallengeHeader(authHeader);
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}
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});
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}
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async login(): Promise<boolean> {
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if (this.getSessionToken()) {
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sessionStorage.removeItem(btoa('CICADA_SESSION_TOKEN'));
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} else {
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const o = await this.getChallenge();
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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 tokenResponse = await this.sendSignedChallenge(r)
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.then(response => {
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const token = response.headers.get('Token')
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if (token) {
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return token
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}
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if (response.status === 401) {
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let e = new HttpError("You are not authorized to use this system", response.status)
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throw e
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}
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if (!response.ok) {
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let e = new HttpError("Unknown error from authentication server", response.status)
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throw e
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}
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})
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if (tokenResponse) {
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this.setSessionToken(tokenResponse);
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this.setState('Click button to log in');
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return true
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}
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return false
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}
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}
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loginView(): void {
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document.getElementById('one').style.display = 'none';
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document.getElementById('two').style.display = 'block';
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this.setState('Click button to log in with PGP key ' + this.mutableKeyStore.getPrivateKeyId());
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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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// TODO leaving this out for now.
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// const isEncryptedKeyCheck = await this.mutableKeyStore.isEncryptedPrivateKey(privateKeyArmored);
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// if (!isEncryptedKeyCheck) {
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// throw Error('The private key doesn\'t 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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this.loginView();
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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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window.location.reload();
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}
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addTrustedUser(user: Staff): void {
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const savedIndex = this.trustedUsers.findIndex((staff) => staff.userid === user.userid);
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if (savedIndex === 0) {
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return;
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}
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if (savedIndex > 0) {
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this.trustedUsers.splice(savedIndex, 1);
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}
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this.trustedUsers.unshift(user);
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this.trustedUsersList.next(this.trustedUsers);
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}
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getTrustedUsers(): void {
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this.mutableKeyStore.getPublicKeys().forEach((key) => {
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this.addTrustedUser(key.users[0].userId);
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});
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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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getPrivateKeyInfo(): any {
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return this.getPrivateKey().users[0].userId;
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}
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}
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