109 lines
4.5 KiB
JavaScript
109 lines
4.5 KiB
JavaScript
/* =====================================================================
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lib/supporter-auth.js — Registrierung, E-Mail-Bestätigung, Magic-Link-
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Login und Sessions für den ÖFFENTLICHEN Supporter-Bereich.
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Bewusst komplett getrennt von auth.js (das ist für das interne
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Team-Zugangssystem mit Rollen/Rechten). Supporter sind Fans/Kund:innen
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ohne jegliche Berechtigungen im internen Bereich.
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Login-Prinzip (Abschnitt 5/116 im Auftrag: "bevorzugt … sicherer
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E-Mail-Code oder Magic Link"): kein Passwort nötig. Ein 6-stelliger Code
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wird an die hinterlegte E-Mail-Adresse geschickt, 15 Minuten gültig,
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einmal verwendbar, nur der Hash liegt in der Datenbank.
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===================================================================== */
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import { sha256Hex, generateSessionToken, generateId, nowIso } from "./crypto.js";
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const CODE_TTL_MS = 15 * 60 * 1000;
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const SESSION_MAX_AGE_MS = 30 * 24 * 60 * 60 * 1000; // 30 Tage — Supporter sollen nicht ständig neu einloggen müssen
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const INACTIVITY_MS = 14 * 24 * 60 * 60 * 1000; // 14 Tage ohne Aktivität → Session verfällt
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export function normalizeTikTokUsername(input) {
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if (!input) return null;
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return String(input).trim().replace(/^@+/, "").toLowerCase() || null;
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}
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export function normalizeEmail(input) {
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return String(input || "").trim().toLowerCase();
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}
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function generateNumericCode() {
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const n = crypto.getRandomValues(new Uint32Array(1))[0] % 1_000_000;
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return String(n).padStart(6, "0");
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}
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/** Erzeugt+speichert einen neuen 6-stelligen Code für E-Mail-Bestätigung oder Login. */
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export async function issueAuthCode(env, supporterId, purpose) {
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const code = generateNumericCode();
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const codeHash = await sha256Hex(code);
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await env.DB.prepare(
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`INSERT INTO supporter_auth_codes (id, supporter_id, purpose, code_hash, expires_at, created_at)
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VALUES (?, ?, ?, ?, ?, ?)`
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)
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.bind(generateId(), supporterId, purpose, codeHash, new Date(Date.now() + CODE_TTL_MS).toISOString(), nowIso())
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.run();
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return code;
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}
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/** Prüft einen eingegebenen Code; markiert ihn bei Erfolg als verbraucht (einmal gültig). */
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export async function verifyAuthCode(env, supporterId, purpose, code) {
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const codeHash = await sha256Hex(String(code || "").trim());
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const row = await env.DB.prepare(
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`SELECT id, expires_at, used_at FROM supporter_auth_codes
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WHERE supporter_id = ? AND purpose = ? AND code_hash = ?
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ORDER BY created_at DESC LIMIT 1`
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)
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.bind(supporterId, purpose, codeHash)
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.first();
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if (!row) return false;
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if (row.used_at) return false;
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if (new Date(row.expires_at).getTime() < Date.now()) return false;
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await env.DB.prepare(`UPDATE supporter_auth_codes SET used_at = ? WHERE id = ?`).bind(nowIso(), row.id).run();
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return true;
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}
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export async function createSupporterSession(env, supporterId) {
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const token = generateSessionToken();
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const tokenHash = await sha256Hex(token);
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const now = new Date();
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await env.DB.prepare(
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`INSERT INTO supporter_sessions (token_hash, supporter_id, created_at, last_active_at, expires_at)
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VALUES (?, ?, ?, ?, ?)`
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)
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.bind(tokenHash, supporterId, now.toISOString(), now.toISOString(), new Date(now.getTime() + SESSION_MAX_AGE_MS).toISOString())
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.run();
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return token;
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}
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export async function resolveSupporterSession(env, token) {
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if (!token) return null;
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const tokenHash = await sha256Hex(token);
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const session = await env.DB.prepare(`SELECT * FROM supporter_sessions WHERE token_hash = ?`).bind(tokenHash).first();
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if (!session) return null;
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const now = Date.now();
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if (new Date(session.expires_at).getTime() < now || now - new Date(session.last_active_at).getTime() > INACTIVITY_MS) {
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await env.DB.prepare(`DELETE FROM supporter_sessions WHERE token_hash = ?`).bind(tokenHash).run();
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return null;
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}
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await env.DB.prepare(`UPDATE supporter_sessions SET last_active_at = ? WHERE token_hash = ?`).bind(nowIso(), tokenHash).run();
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const supporter = await env.DB.prepare(
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`SELECT * FROM supporter_users WHERE id = ? AND status = 'active'`
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)
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.bind(session.supporter_id)
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.first();
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if (!supporter) return null;
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return supporter;
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}
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export async function endSupporterSession(env, token) {
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if (!token) return;
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await env.DB.prepare(`DELETE FROM supporter_sessions WHERE token_hash = ?`).bind(await sha256Hex(token)).run();
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}
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export async function requireSupporterSession(request, env) {
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const auth = request.headers.get("Authorization") || "";
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const token = auth.startsWith("Bearer ") ? auth.slice(7) : null;
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return resolveSupporterSession(env, token);
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}
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