aktueller stand

services/sessionRefresh.js

@@ -0,0 +1,80 @@
+const foodsharingClient = require('./foodsharingClient');
+const sessionStore = require('./sessionStore');
+
+function isUnauthorizedError(error) {
+  const status = error?.response?.status;
+  return status === 401 || status === 403;
+}
+
+async function refreshSession(session, { label } = {}) {
+  if (!session?.credentials?.email || !session?.credentials?.password) {
+    console.warn(
+      `[SESSION] Session ${session?.id || 'unbekannt'} kann nicht erneuert werden – keine Zugangsdaten gespeichert.`
+    );
+    return false;
+  }
+  try {
+    const refreshed = await foodsharingClient.login(
+      session.credentials.email,
+      session.credentials.password
+    );
+    sessionStore.update(session.id, {
+      cookieHeader: refreshed.cookieHeader,
+      csrfToken: refreshed.csrfToken,
+      profile: {
+        ...session.profile,
+        ...refreshed.profile
+      }
+    });
+    console.log(
+      `[SESSION] Session ${session.id} wurde erfolgreich erneuert${label ? ` (${label})` : ''}.`
+    );
+    return true;
+  } catch (error) {
+    console.error(
+      `[SESSION] Session ${session?.id || 'unbekannt'} konnte nicht erneuert werden${label ? ` (${label})` : ''}:`,
+      error.message
+    );
+    return false;
+  }
+}
+
+async function ensureSession(session) {
+  if (!session?.profile?.id) {
+    return false;
+  }
+  if (!session.cookieHeader) {
+    return refreshSession(session, { label: 'missing-cookie' });
+  }
+  return true;
+}
+
+async function withSessionRetry(session, action, { label } = {}) {
+  if (!session) {
+    throw new Error('Session fehlt');
+  }
+  if (!session.cookieHeader && session.credentials) {
+    const refreshed = await refreshSession(session, { label });
+    if (!refreshed) {
+      throw new Error('Session konnte nicht erneuert werden');
+    }
+  }
+  try {
+    return await action();
+  } catch (error) {
+    if (!isUnauthorizedError(error)) {
+      throw error;
+    }
+    const refreshed = await refreshSession(session, { label });
+    if (!refreshed) {
+      throw error;
+    }
+    return action();
+  }
+}
+
+module.exports = {
+  ensureSession,
+  refreshSession,
+  withSessionRetry
+};