fix: credentials login behind proxy no longer works (#2177)

src/utils/auth/cookies.ts

@@ -0,0 +1,66 @@
+export const createCookiesWithDefaultOptions = (useSecureCookies: boolean) => {
+  const cookiePrefix = useSecureCookies ? '__Secure-' : '';
+
+  return {
+    // default cookie options
+    sessionToken: {
+      // We don't use __Secure prefix as the cookie is used in the code
+      name: `next-auth.session-token`,
+      options: {
+        httpOnly: true,
+        sameSite: 'lax',
+        path: '/',
+        secure: useSecureCookies,
+      },
+    },
+    callbackUrl: {
+      name: `${cookiePrefix}next-auth.callback-url`,
+      options: {
+        httpOnly: true,
+        sameSite: 'lax',
+        path: '/',
+        secure: useSecureCookies,
+      },
+    },
+    csrfToken: {
+      // Default to __Host- for CSRF token for additional protection if using useSecureCookies
+      // NB: The `__Host-` prefix is stricter than the `__Secure-` prefix.
+      name: `${useSecureCookies ? '__Host-' : ''}next-auth.csrf-token`,
+      options: {
+        httpOnly: true,
+        sameSite: 'lax',
+        path: '/',
+        secure: useSecureCookies,
+      },
+    },
+    pkceCodeVerifier: {
+      name: `${cookiePrefix}next-auth.pkce.code_verifier`,
+      options: {
+        httpOnly: true,
+        sameSite: 'lax',
+        path: '/',
+        secure: useSecureCookies,
+        maxAge: 60 * 15, // 15 minutes in seconds
+      },
+    },
+    state: {
+      name: `${cookiePrefix}next-auth.state`,
+      options: {
+        httpOnly: true,
+        sameSite: 'lax',
+        path: '/',
+        secure: useSecureCookies,
+        maxAge: 60 * 15, // 15 minutes in seconds
+      },
+    },
+    nonce: {
+      name: `${cookiePrefix}next-auth.nonce`,
+      options: {
+        httpOnly: true,
+        sameSite: 'lax',
+        path: '/',
+        secure: useSecureCookies,
+      },
+    },
+  } as const;
+};