2024-05-15 19:45:36 +01:00
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<link rel="stylesheet" type="text/css" href="/static/css/style.css">
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Login to Burgercat</title>
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</head>
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<body>
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<div class="accountform">
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<br>
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<a href="/">back</a><br><br>
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<h1 id="text">Migrate to Burgerauth</h1>
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<button onclick="authorize()">Link a Burgerauth Account</button>
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</div>
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<script>
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function getCookie(name) {
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var nameEQ = name + "=";
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var ca = document.cookie.split(';');
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for (var i = 0; i < ca.length; i++) {
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var c = ca[i];
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while (c.charAt(0) === ' ') c = c.substring(1, c.length);
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if (c.indexOf(nameEQ) === 0) return c.substring(nameEQ.length, c.length);
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}
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return null;
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}
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// Configuration
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const clientId = 'jT89GqLCqobN3pb6Rgkk0klDyicUbdjY';
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const redirectUri = 'https://cat.hectabit.org/oauth';
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const authorizationEndpoint = 'https://auth.hectabit.org/login';
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const tokenEndpoint = 'https://auth.hectabit.org/api/tokenauth';
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const userinfoEndpoint = 'https://auth.hectabit.org/userinfo'; // Added userinfo endpoint
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// Generate a random code verifier
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function generateCodeVerifier() {
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const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._~";
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const length = 128;
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return Array.from(crypto.getRandomValues(new Uint8Array(length)))
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.map((x) => charset[x % charset.length])
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.join("");
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}
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// Create a code challenge from the code verifier using SHA-256
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async function createCodeChallenge(codeVerifier) {
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const buffer = new TextEncoder().encode(codeVerifier);
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const hashArrayBuffer = await crypto.subtle.digest('SHA-256', buffer);
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const hashBase64 = btoa(String.fromCharCode(...new Uint8Array(hashArrayBuffer)))
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.replace(/=/g, '')
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.replace(/\+/g, '-')
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.replace(/\//g, '_');
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return hashBase64;
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}
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// Authorization function with PKCE
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function authorize() {
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const codeVerifier = generateCodeVerifier();
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localStorage.setItem('codeVerifier', codeVerifier); // Store code verifier
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createCodeChallenge(codeVerifier)
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.then((codeChallenge) => {
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const authorizationUrl = `${authorizationEndpoint}?response_type=code&client_id=${clientId}&redirect_uri=${encodeURIComponent(redirectUri)}&code_challenge=${codeChallenge}&code_challenge_method=S256`;
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window.location.href = authorizationUrl;
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})
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.catch((error) => {
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console.error('Error generating code challenge:', error);
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});
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}
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// Parse the authorization code from the URL
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function parseCodeFromUrl() {
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const urlParams = new URLSearchParams(window.location.search);
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return urlParams.get('code');
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}
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// Exchange authorization code for access token
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async function exchangeCodeForToken(code) {
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const codeVerifier = localStorage.getItem('codeVerifier'); // Retrieve code verifier
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const formData = new URLSearchParams();
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formData.append('client_id', String(clientId));
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formData.append('code', String(code));
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formData.append('redirect_uri', String(redirectUri));
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formData.append('grant_type', 'authorization_code');
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formData.append('code_verifier', String(codeVerifier));
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const response = await fetch(tokenEndpoint, {
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method: 'POST',
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headers: {
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"Content-Type": "application/x-www-form-urlencoded"
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},
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body: formData
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});
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const data = await response.json();
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const accessToken = data.access_token;
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const idToken = data.id_token;
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// Request userinfo with id_token in bearer format
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fetch(userinfoEndpoint, {
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headers: {
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"Authorization": `Bearer ${idToken}`
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}
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})
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.then((response) => {
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async function doStuff() {
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if (response.status == 200) {
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const userinfoData = await response.json();
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console.log("User:", userinfoData.name)
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console.log("Sub:", userinfoData.sub);
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document.getElementById("text").innerText = "Authenticating, " + userinfoData.name;
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fetch("https://cat.hectabit.org/api/migrate", {
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method: "POST",
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headers: {
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"Content-Type": "application/json"
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},
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body: JSON.stringify({
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sub: userinfoData.sub,
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access_token: data.access_token
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})
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})
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.then((response) => {
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async function doStuff2() {
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if (response.status == 200) {
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2024-05-16 09:11:21 +01:00
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document.cookie = 'legacy_migrate=; Max-Age=0; path=/;"
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2024-05-15 19:45:36 +01:00
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window.location.replace("/")
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} else {
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document.getElementById("text").innerText = "Failed: " + key["error"]
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}
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}
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doStuff2()
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});
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} else {
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document.getElementById("text").innerText = "Authentication failed"
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}
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}
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doStuff()
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});
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}
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// Main function to handle OAuth2 flow
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async function main() {
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const code = parseCodeFromUrl();
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if (code) {
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await exchangeCodeForToken(code);
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}
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}
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// Call the main function on page load
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main();
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</script>
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</body>
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</html>
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