107 lines
3.3 KiB
TypeScript
107 lines
3.3 KiB
TypeScript
import type { Emitter, EventType } from "mitt";
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import type { Router } from "vue-router";
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export function authHeader(): Headers {
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// return authorization header with basic auth credentials
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let user = null;
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try {
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user = JSON.parse(localStorage.getItem('user') || "");
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} catch {
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// continue regardless of error
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}
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const headers = new Headers();
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headers.append('X-Requested-With', 'XMLHttpRequest');
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if (user && user.authdata) {
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headers.append('Authorization', 'Basic ' + user.authdata);
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}
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return new Headers(headers);
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}
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export function authUrl(): string {
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let user = null;
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try {
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user = JSON.parse(localStorage.getItem('user') || "");
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} catch {
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// continue regardless of error
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}
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if (user && user.authdata) {
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return encodeURIComponent(atob(user.authdata)).replace("%3A", ":") + '@';
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}
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return "";
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}
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export function logout() {
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// remove user from local storage to log user out
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localStorage.removeItem('user');
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}
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export function isLoggedIn(): boolean {
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return (localStorage.getItem('user') != null);
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}
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export function login(username: string, password: string) {
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const requestOptions = {
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method: 'GET',
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headers: {
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'X-Requested-With': 'XMLHttpRequest',
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'Authorization': 'Basic ' + btoa(unescape(encodeURIComponent(username + ':' + password))),
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},
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};
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return fetch('/api/security/authenticate', requestOptions)
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.then(handleAuthResponse)
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.then(retVal => {
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// login successful if there's a user in the response
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if (retVal) {
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// store user details and basic auth credentials in local storage
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// to keep user logged in between page refreshes
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retVal.authdata = btoa(unescape(encodeURIComponent(username + ':' + password)));
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localStorage.setItem('user', JSON.stringify(retVal));
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}
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return retVal;
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});
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}
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export function handleResponse(response: Response, emitter: Emitter<Record<EventType, unknown>>, router: Router, ignore_error: boolean = false) {
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return response.text().then(text => {
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const data = text && JSON.parse(text);
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if (!response.ok) {
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if (response.status === 401) {
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// auto logout if 401 response returned from api
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logout();
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emitter.emit("logged-out");
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router.push({ path: "/login", query: { returnUrl: router.currentRoute.value.fullPath } });
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return Promise.reject();
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}
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const error = { message: (data && data.message) || response.statusText, status: response.status || 0 };
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if (!ignore_error) {
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router.push({ name: "Error", params: error });
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}
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return Promise.reject(error);
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}
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return data;
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});
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}
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function handleAuthResponse(response: Response) {
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return response.text().then(text => {
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const data = text && JSON.parse(text);
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if (!response.ok) {
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if (response.status === 401) {
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// auto logout if 401 response returned from api
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logout();
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}
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const error = "Invalid credentials";
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return Promise.reject(error);
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}
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return data;
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});
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}
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