Erster Docker-Stand
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public/index.html
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90
public/index.html
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<html>
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<head>
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<title>Testseite</title>
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</head>
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<body>
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<div><h1>Login Page</h1>
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</div>
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<p id="error" style="display: none;"></p>
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<input id="emailInput" placeholder="Email" />
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<input id="passwordInput" placeholder="********" type="password" />
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<button id="authBtn" onclick="authenticate()">
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Submit
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</button>
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<hr />
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<div class="register-content">
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<p>Don't have an account?</p>
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<button onclick="toggleIsRegister()" id="registerBtn">Sign up</button>
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<script>
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// 1. Wir merken uns, in welchem Modus wir sind (Standard: Login)
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let isRegisterMode = false;
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// 2. Diese Funktion wechselt den Modus, wenn man auf "Sign up" klickt
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function toggleIsRegister() {
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isRegisterMode = !isRegisterMode; // Wechselt von true zu false oder umgekehrt
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const title = document.querySelector('h1');
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const authBtn = document.getElementById('authBtn');
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const registerBtn = document.getElementById('registerBtn');
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const toggleText = document.querySelector('.register-content p');
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if (isRegisterMode) {
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title.innerText = "Register Page";
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authBtn.innerText = "Create Account";
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registerBtn.innerText = "Back to Login";
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toggleText.innerText = "Already have an account?";
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} else {
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title.innerText = "Login Page";
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authBtn.innerText = "Submit";
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registerBtn.innerText = "Sign up";
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toggleText.innerText = "Don't have an account?";
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}
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}
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// 3. Die Hauptfunktion für den Klick auf "Submit" / "Create Account"
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async function authenticate() {
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const username = document.getElementById('emailInput').value;
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const password = document.getElementById('passwordInput').value;
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const errorDisplay = document.getElementById('error');
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// Entscheide, an welche Tür (URL) wir klopfen
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const endpoint = isRegisterMode ? '/auth/register' : '/auth/login';
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try {
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const response = await fetch(`http://localhost:5003${endpoint}`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ username, password })
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});
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const data = await response.json();
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if (response.ok) {
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// 1. Speichere den VIP-Pass (Token)
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localStorage.setItem('token', data.token);
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// 2. Zeige kurz eine Meldung (optional)
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console.log("Login erfolgreich, leite weiter...");
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// 3. DER SPRUNG: Hier sagen wir dem Browser, er soll die Seite wechseln
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window.location.href = 'dashboard.html';
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} else {
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errorDisplay.innerText = data.message || "Fehler aufgetreten";
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errorDisplay.style.display = 'block';
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}
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} catch (err) {
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// Falls die Antwort kein JSON war oder der Server abgestürzt ist
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console.error("Detail-Fehler:", err);
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errorDisplay.innerText = "Fehler: Verbindung fehlgeschlagen oder User existiert bereits.";
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errorDisplay.style.display = 'block';
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}
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}
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</script>
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</body>
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</html>
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