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New fetchWithCsrf with fallback for session change. start.sh session directory added.

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This commit is contained in:
Ryan
2025-04-23 09:53:21 -04:00
committed by GitHub
parent 89f124250c
commit 06b3f28df0
11 changed files with 492 additions and 296 deletions
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369
src/controllers/userController.php
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@@ -87,63 +87,83 @@ class UserController
public function addUser()
{
// 1) Ensure JSON output and session
header('Content-Type: application/json');
$usersFile = USERS_DIR . USERS_FILE;
// 1a) Initialize CSRF token if missing
if (empty($_SESSION['csrf_token'])) {
$_SESSION['csrf_token'] = bin2hex(random_bytes(32));
}
// Determine if we're in setup mode.
// Setup mode means the "setup" query parameter is passed
// and users.txt is missing, empty, or contains only whitespace.
$isSetup = (isset($_GET['setup']) && $_GET['setup'] === '1');
if ($isSetup && (!file_exists($usersFile) || filesize($usersFile) == 0 || trim(file_get_contents($usersFile)) === '')) {
// Allow initial admin creation without session or CSRF checks.
// 2) Determine setup mode (first-ever admin creation)
$usersFile = USERS_DIR . USERS_FILE;
$isSetup = (isset($_GET['setup']) && $_GET['setup'] === '1');
$setupMode = false;
if (
$isSetup && (! file_exists($usersFile)
|| filesize($usersFile) === 0
|| trim(file_get_contents($usersFile)) === ''
)
) {
$setupMode = true;
} else {
$setupMode = false;
// In non-setup mode, perform CSRF token and authentication checks.
$headersArr = array_change_key_case(getallheaders(), CASE_LOWER);
$receivedToken = isset($headersArr['x-csrf-token']) ? trim($headersArr['x-csrf-token']) : '';
if (!isset($_SESSION['csrf_token']) || $receivedToken !== $_SESSION['csrf_token']) {
http_response_code(403);
echo json_encode(["error" => "Invalid CSRF token"]);
// 3) In non-setup, enforce CSRF + auth checks
$headersArr = array_change_key_case(getallheaders(), CASE_LOWER);
$receivedToken = trim($headersArr['x-csrf-token'] ?? '');
// 3a) Soft-fail CSRF: on mismatch, regenerate and return new token
if ($receivedToken !== $_SESSION['csrf_token']) {
$_SESSION['csrf_token'] = bin2hex(random_bytes(32));
header('X-CSRF-Token: ' . $_SESSION['csrf_token']);
echo json_encode([
'csrf_expired' => true,
'csrf_token' => $_SESSION['csrf_token']
]);
exit;
}
// 3b) Must be logged in as admin
if (
!isset($_SESSION['authenticated']) || $_SESSION['authenticated'] !== true ||
!isset($_SESSION['isAdmin']) || $_SESSION['isAdmin'] !== true
empty($_SESSION['authenticated'])
|| $_SESSION['authenticated'] !== true
|| empty($_SESSION['isAdmin'])
|| $_SESSION['isAdmin'] !== true
) {
echo json_encode(["error" => "Unauthorized"]);
exit;
}
}
// Get the JSON input data.
$data = json_decode(file_get_contents("php://input"), true);
$newUsername = trim($data["username"] ?? "");
$newPassword = trim($data["password"] ?? "");
// 4) Parse input
$data = json_decode(file_get_contents('php://input'), true) ?: [];
$newUsername = trim($data['username'] ?? '');
$newPassword = trim($data['password'] ?? '');
// In setup mode, force the new user to be an admin.
// 5) Determine admin flag
if ($setupMode) {
$isAdmin = "1";
$isAdmin = '1';
} else {
$isAdmin = !empty($data["isAdmin"]) ? "1" : "0";
$isAdmin = !empty($data['isAdmin']) ? '1' : '0';
}
// Validate that a username and password are provided.
if (!$newUsername || !$newPassword) {
// 6) Validate fields
if ($newUsername === '' || $newPassword === '') {
echo json_encode(["error" => "Username and password required"]);
exit;
}
// Validate username format.
if (!preg_match(REGEX_USER, $newUsername)) {
echo json_encode(["error" => "Invalid username. Only letters, numbers, underscores, dashes, and spaces are allowed."]);
echo json_encode([
"error" => "Invalid username. Only letters, numbers, underscores, dashes, and spaces are allowed."
]);
exit;
}
// Delegate the business logic to the model.
// 7) Delegate to model
$result = userModel::addUser($newUsername, $newPassword, $isAdmin, $setupMode);
// 8) Return model result
echo json_encode($result);
exit;
}
/**
@@ -847,148 +867,151 @@ class UserController
* )
*/
public function verifyTOTP()
{
header('Content-Type: application/json');
header("Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self';");
// Rate‑limit
if (!isset($_SESSION['totp_failures'])) {
$_SESSION['totp_failures'] = 0;
}
if ($_SESSION['totp_failures'] >= 5) {
http_response_code(429);
echo json_encode(['status' => 'error', 'message' => 'Too many TOTP attempts. Please try again later.']);
exit;
}
// Must be authenticated OR pending login
if (!((!empty($_SESSION['authenticated'])) || isset($_SESSION['pending_login_user']))) {
http_response_code(403);
echo json_encode(['status' => 'error', 'message' => 'Not authenticated']);
exit;
}
// CSRF check
$headersArr = array_change_key_case(getallheaders(), CASE_LOWER);
$csrfHeader = $headersArr['x-csrf-token'] ?? '';
if (empty($_SESSION['csrf_token']) || $csrfHeader !== $_SESSION['csrf_token']) {
http_response_code(403);
echo json_encode(['status' => 'error', 'message' => 'Invalid CSRF token']);
exit;
}
// Parse and validate input
$inputData = json_decode(file_get_contents("php://input"), true);
$code = trim($inputData['totp_code'] ?? '');
if (!preg_match('/^\d{6}$/', $code)) {
http_response_code(400);
echo json_encode(['status' => 'error', 'message' => 'A valid 6-digit TOTP code is required']);
exit;
}
// TFA helper
$tfa = new \RobThree\Auth\TwoFactorAuth(
new \RobThree\Auth\Providers\Qr\GoogleChartsQrCodeProvider(),
'FileRise', 6, 30, \RobThree\Auth\Algorithm::Sha1
);
// Pending‑login flow (first password step passed)
if (isset($_SESSION['pending_login_user'])) {
$username = $_SESSION['pending_login_user'];
$pendingSecret = $_SESSION['pending_login_secret'] ?? null;
$rememberMe = $_SESSION['pending_login_remember_me'] ?? false;
if (!$pendingSecret || !$tfa->verifyCode($pendingSecret, $code)) {
$_SESSION['totp_failures']++;
http_response_code(400);
echo json_encode(['status' => 'error', 'message' => 'Invalid TOTP code']);
exit;
}
// === Issue “remember me” token if requested ===
if ($rememberMe) {
$tokFile = USERS_DIR . 'persistent_tokens.json';
$token = bin2hex(random_bytes(32));
$expiry = time() + 30 * 24 * 60 * 60;
$all = [];
if (file_exists($tokFile)) {
$dec = decryptData(file_get_contents($tokFile), $GLOBALS['encryptionKey']);
$all = json_decode($dec, true) ?: [];
}
$isAdmin = ((int)userModel::getUserRole($username) === 1);
$all[$token] = [
'username' => $username,
'expiry' => $expiry,
'isAdmin' => $isAdmin
];
file_put_contents(
$tokFile,
encryptData(json_encode($all, JSON_PRETTY_PRINT), $GLOBALS['encryptionKey']),
LOCK_EX
);
$secure = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off');
// Persistent cookie
setcookie('remember_me_token', $token, $expiry, '/', '', $secure, true);
// Re‑issue PHP session cookie
setcookie(
session_name(),
session_id(),
$expiry,
'/',
'',
$secure,
true
);
}
// Finalize login
session_regenerate_id(true);
$_SESSION['authenticated'] = true;
$_SESSION['username'] = $username;
$_SESSION['isAdmin'] = $isAdmin;
$_SESSION['folderOnly'] = loadUserPermissions($username);
// Clean up
unset(
$_SESSION['pending_login_user'],
$_SESSION['pending_login_secret'],
$_SESSION['pending_login_remember_me'],
$_SESSION['totp_failures']
);
echo json_encode(['status' => 'ok', 'message' => 'Login successful']);
exit;
}
// Setup/verification flow (not pending)
$username = $_SESSION['username'] ?? '';
if (!$username) {
http_response_code(400);
echo json_encode(['status' => 'error', 'message' => 'Username not found in session']);
exit;
}
$totpSecret = userModel::getTOTPSecret($username);
if (!$totpSecret) {
http_response_code(500);
echo json_encode(['status' => 'error', 'message' => 'TOTP secret not found. Please set up TOTP again.']);
exit;
}
if (!$tfa->verifyCode($totpSecret, $code)) {
$_SESSION['totp_failures']++;
http_response_code(400);
echo json_encode(['status' => 'error', 'message' => 'Invalid TOTP code']);
exit;
}
// Successful setup/verification
unset($_SESSION['totp_failures']);
echo json_encode(['status' => 'ok', 'message' => 'TOTP successfully verified']);
}
public function verifyTOTP()
{
header('Content-Type: application/json');
header("Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self';");
// Rate‑limit
if (!isset($_SESSION['totp_failures'])) {
$_SESSION['totp_failures'] = 0;
}
if ($_SESSION['totp_failures'] >= 5) {
http_response_code(429);
echo json_encode(['status' => 'error', 'message' => 'Too many TOTP attempts. Please try again later.']);
exit;
}
// Must be authenticated OR pending login
if (!((!empty($_SESSION['authenticated'])) || isset($_SESSION['pending_login_user']))) {
http_response_code(403);
echo json_encode(['status' => 'error', 'message' => 'Not authenticated']);
exit;
}
// CSRF check
$headersArr = array_change_key_case(getallheaders(), CASE_LOWER);
$csrfHeader = $headersArr['x-csrf-token'] ?? '';
if (empty($_SESSION['csrf_token']) || $csrfHeader !== $_SESSION['csrf_token']) {
http_response_code(403);
echo json_encode(['status' => 'error', 'message' => 'Invalid CSRF token']);
exit;
}
// Parse and validate input
$inputData = json_decode(file_get_contents("php://input"), true);
$code = trim($inputData['totp_code'] ?? '');
if (!preg_match('/^\d{6}$/', $code)) {
http_response_code(400);
echo json_encode(['status' => 'error', 'message' => 'A valid 6-digit TOTP code is required']);
exit;
}
// TFA helper
$tfa = new \RobThree\Auth\TwoFactorAuth(
new \RobThree\Auth\Providers\Qr\GoogleChartsQrCodeProvider(),
'FileRise',
6,
30,
\RobThree\Auth\Algorithm::Sha1
);
// Pending‑login flow (first password step passed)
if (isset($_SESSION['pending_login_user'])) {
$username = $_SESSION['pending_login_user'];
$pendingSecret = $_SESSION['pending_login_secret'] ?? null;
$rememberMe = $_SESSION['pending_login_remember_me'] ?? false;
if (!$pendingSecret || !$tfa->verifyCode($pendingSecret, $code)) {
$_SESSION['totp_failures']++;
http_response_code(400);
echo json_encode(['status' => 'error', 'message' => 'Invalid TOTP code']);
exit;
}
// === Issue “remember me” token if requested ===
if ($rememberMe) {
$tokFile = USERS_DIR . 'persistent_tokens.json';
$token = bin2hex(random_bytes(32));
$expiry = time() + 30 * 24 * 60 * 60;
$all = [];
if (file_exists($tokFile)) {
$dec = decryptData(file_get_contents($tokFile), $GLOBALS['encryptionKey']);
$all = json_decode($dec, true) ?: [];
}
$isAdmin = ((int)userModel::getUserRole($username) === 1);
$all[$token] = [
'username' => $username,
'expiry' => $expiry,
'isAdmin' => $isAdmin
];
file_put_contents(
$tokFile,
encryptData(json_encode($all, JSON_PRETTY_PRINT), $GLOBALS['encryptionKey']),
LOCK_EX
);
$secure = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off');
// Persistent cookie
setcookie('remember_me_token', $token, $expiry, '/', '', $secure, true);
// Re‑issue PHP session cookie
setcookie(
session_name(),
session_id(),
$expiry,
'/',
'',
$secure,
true
);
}
// Finalize login
session_regenerate_id(true);
$_SESSION['authenticated'] = true;
$_SESSION['username'] = $username;
$_SESSION['isAdmin'] = $isAdmin;
$_SESSION['folderOnly'] = loadUserPermissions($username);
// Clean up
unset(
$_SESSION['pending_login_user'],
$_SESSION['pending_login_secret'],
$_SESSION['pending_login_remember_me'],
$_SESSION['totp_failures']
);
echo json_encode(['status' => 'ok', 'message' => 'Login successful']);
exit;
}
// Setup/verification flow (not pending)
$username = $_SESSION['username'] ?? '';
if (!$username) {
http_response_code(400);
echo json_encode(['status' => 'error', 'message' => 'Username not found in session']);
exit;
}
$totpSecret = userModel::getTOTPSecret($username);
if (!$totpSecret) {
http_response_code(500);
echo json_encode(['status' => 'error', 'message' => 'TOTP secret not found. Please set up TOTP again.']);
exit;
}
if (!$tfa->verifyCode($totpSecret, $code)) {
$_SESSION['totp_failures']++;
http_response_code(400);
echo json_encode(['status' => 'error', 'message' => 'Invalid TOTP code']);
exit;
}
// Successful setup/verification
unset($_SESSION['totp_failures']);
echo json_encode(['status' => 'ok', 'message' => 'TOTP successfully verified']);
}
}