Files
barometer-server/handlers/auth.php
tom.hempel f1caa9e681
Some checks failed
PHPUnit / test (push) Has been cancelled
initial prototype based on nat-as-server
2026-06-29 12:39:55 +02:00

287 lines
10 KiB
PHP

<?php
require_once __DIR__ . '/../lib/settings.php';
require_once __DIR__ . '/../lib/login_rate_limit.php';
require_once __DIR__ . '/../lib/keycloak_auth.php';
switch ($route) {
case 'auth/login':
if ($method !== 'POST') {
json_error('METHOD_NOT_ALLOWED', 'Method not allowed', 405);
}
$body = read_json_body();
$username = trim($body['username'] ?? '');
$password = (string)($body['password'] ?? '');
if ($username === '' || $password === '') {
json_error('MISSING_FIELDS', 'Username and password are required', 400);
}
$securitySettings = qdb_settings_get();
[$allowed, $retryAfter] = qdb_login_rate_limit_check($username, $securitySettings);
if (!$allowed) {
qdb_login_rate_limit_deny($retryAfter);
}
try {
[$pdo, $tmpDb, $lockFp] = qdb_open_read_or_fail();
$stmt = $pdo->prepare(
"SELECT userID, passwordHash, role, entityID, mustChangePassword
FROM users WHERE username = :u"
);
$stmt->execute([':u' => $username]);
$user = $stmt->fetch(PDO::FETCH_ASSOC);
if (!$user || !password_verify($password, $user['passwordHash'])) {
qdb_discard($tmpDb, $lockFp);
$retryAfter = qdb_login_rate_limit_record_failure($username, $securitySettings);
if ($retryAfter > 0) {
qdb_login_rate_limit_deny($retryAfter);
}
json_error('INVALID_CREDENTIALS', 'Invalid username or password', 401);
}
qdb_login_rate_limit_clear($username);
$assignedClients = [];
if (($user['role'] ?? '') === 'coach' && ($user['entityID'] ?? '') !== '') {
$cStmt = $pdo->prepare(
"SELECT clientCode FROM client
WHERE coachID = :cid AND COALESCE(archived, 0) = 0
ORDER BY clientCode"
);
$cStmt->execute([':cid' => $user['entityID']]);
$assignedClients = array_map(
fn($code) => ['clientCode' => $code],
$cStmt->fetchAll(PDO::FETCH_COLUMN)
);
}
qdb_discard($tmpDb, $lockFp);
qdb_reject_coach_web_login((string)($user['role'] ?? ''));
if ((int)$user['mustChangePassword'] === 1) {
$tempToken = bin2hex(random_bytes(32));
token_add($tempToken, qdb_session_ttl_seconds($securitySettings, true), [
'role' => $user['role'],
'entityID' => $user['entityID'],
'userID' => $user['userID'],
'temp' => true,
]);
json_success([
'mustChangePassword' => true,
'token' => $tempToken,
'user' => $username,
'role' => $user['role'],
]);
}
$token = bin2hex(random_bytes(32));
token_add($token, qdb_session_ttl_seconds($securitySettings, false), [
'role' => $user['role'],
'entityID' => $user['entityID'],
'userID' => $user['userID'],
]);
$loginData = [
'token' => $token,
'user' => $username,
'role' => $user['role'],
];
if ($assignedClients !== []) {
$loginData['clientsPayload'] = qdb_sensitive_envelope(
json_encode(['clients' => $assignedClients], JSON_UNESCAPED_UNICODE),
$token
);
}
json_success($loginData);
} catch (Throwable $e) {
qdb_handler_fail($e, 'auth', null, $tmpDb ?? null, $lockFp ?? null);
}
break;
case 'auth/change-password':
if ($method !== 'POST') {
json_error('METHOD_NOT_ALLOWED', 'Method not allowed', 405);
}
$bearerToken = get_bearer_token();
if (!$bearerToken) {
json_error('UNAUTHORIZED', 'Bearer token required', 401);
}
$tokenRec = token_get_record($bearerToken);
if (!$tokenRec) {
json_error('FORBIDDEN', 'Invalid or expired token', 403);
}
$body = read_json_body();
$username = trim($body['username'] ?? '');
$oldPassword = (string)($body['old_password'] ?? '');
$newPassword = (string)($body['new_password'] ?? '');
if ($username === '' || $oldPassword === '' || $newPassword === '') {
json_error('MISSING_FIELDS', 'username, old_password, and new_password are required', 400);
}
if (strlen($newPassword) < 6) {
json_error('PASSWORD_TOO_SHORT', 'New password must be at least 6 characters', 400);
}
if (($tokenRec['userID'] ?? '') === '') {
json_error('FORBIDDEN', 'Token not associated with a user', 403);
}
try {
[$pdo, $tmpDb, $lockFp] = qdb_open_write_or_fail();
$stmt = $pdo->prepare(
"SELECT userID, passwordHash, role, entityID FROM users WHERE username = :u"
);
$stmt->execute([':u' => $username]);
$user = $stmt->fetch(PDO::FETCH_ASSOC);
if (!$user) {
qdb_discard($tmpDb, $lockFp);
json_error('INVALID_CREDENTIALS', 'Invalid credentials', 401);
}
if ($user['userID'] !== $tokenRec['userID']) {
qdb_discard($tmpDb, $lockFp);
json_error('FORBIDDEN', 'Token does not match user', 403);
}
qdb_reject_coach_web_login((string)($user['role'] ?? ''));
if (!password_verify($oldPassword, $user['passwordHash'])) {
qdb_discard($tmpDb, $lockFp);
json_error('INVALID_CREDENTIALS', 'Old password incorrect', 401);
}
$newHash = password_hash($newPassword, PASSWORD_DEFAULT);
$pdo->prepare(
"UPDATE users SET passwordHash = :h, mustChangePassword = 0 WHERE userID = :uid"
)->execute([':h' => $newHash, ':uid' => $user['userID']]);
token_revoke_all_for_user_on_pdo($pdo, $user['userID']);
qdb_save($tmpDb, $lockFp);
$securitySettings = qdb_settings_get();
// Issue a fresh session for this browser only
$newToken = bin2hex(random_bytes(32));
token_add($newToken, qdb_session_ttl_seconds($securitySettings, false), [
'role' => $user['role'],
'entityID' => $user['entityID'],
'userID' => $user['userID'],
]);
json_success([
'token' => $newToken,
'user' => $username,
'role' => $user['role'],
]);
} catch (Throwable $e) {
qdb_handler_fail($e, 'auth', null, $tmpDb ?? null, $lockFp ?? null);
}
break;
case 'auth/keycloak-config':
if ($method !== 'GET') {
json_error('METHOD_NOT_ALLOWED', 'Method not allowed', 405);
}
$kcConfig = qdb_keycloak_config();
json_success([
'enabled' => qdb_keycloak_is_configured($kcConfig),
'displayName' => $kcConfig['display_name'],
'loginUrl' => qdb_keycloak_is_configured($kcConfig) ? 'auth/keycloak-login' : '',
]);
break;
case 'auth/keycloak-login':
if ($method !== 'GET') {
json_error('METHOD_NOT_ALLOWED', 'Method not allowed', 405);
}
$kcConfig = qdb_keycloak_config();
if (!qdb_keycloak_is_configured($kcConfig)) {
json_error('KEYCLOAK_NOT_CONFIGURED', 'University login is not configured', 503);
}
try {
$discovery = qdb_keycloak_discovery($kcConfig);
$nonce = bin2hex(random_bytes(16));
$params = [
'client_id' => $kcConfig['client_id'],
'redirect_uri' => $kcConfig['redirect_uri'],
'response_type' => 'code',
'scope' => 'openid profile email',
'state' => qdb_keycloak_create_state($nonce),
'nonce' => $nonce,
];
qdb_keycloak_redirect($discovery['authorization_endpoint'] . '?' . http_build_query($params));
} catch (Throwable $e) {
qdb_handler_fail($e, 'keycloak-login', null, null, null);
}
break;
case 'auth/keycloak-callback':
if ($method !== 'GET') {
json_error('METHOD_NOT_ALLOWED', 'Method not allowed', 405);
}
if (isset($_GET['error'])) {
json_error('KEYCLOAK_DENIED', 'University login was cancelled or denied', 401);
}
$code = trim((string)($_GET['code'] ?? ''));
$state = trim((string)($_GET['state'] ?? ''));
if ($code === '' || $state === '') {
json_error('MISSING_FIELDS', 'Keycloak callback requires code and state', 400);
}
$kcConfig = qdb_keycloak_config();
if (!qdb_keycloak_is_configured($kcConfig)) {
json_error('KEYCLOAK_NOT_CONFIGURED', 'University login is not configured', 503);
}
try {
qdb_keycloak_verify_state($state);
$discovery = qdb_keycloak_discovery($kcConfig);
$tokenResponse = qdb_keycloak_exchange_code($kcConfig, $discovery, $code);
$accessToken = (string)($tokenResponse['access_token'] ?? '');
if ($accessToken === '') {
json_error('KEYCLOAK_TOKEN_FAILED', 'University login did not return an access token', 401);
}
$claims = qdb_keycloak_userinfo($discovery, $accessToken);
$username = qdb_keycloak_claim_username($kcConfig, $claims);
[$pdo, $tmpDb, $lockFp] = qdb_open_read_or_fail();
$stmt = $pdo->prepare(
"SELECT userID, role, entityID, mustChangePassword
FROM users WHERE username = :u"
);
$stmt->execute([':u' => $username]);
$user = $stmt->fetch(PDO::FETCH_ASSOC);
qdb_discard($tmpDb, $lockFp);
if (!$user) {
json_error('KEYCLOAK_USER_NOT_ALLOWED', 'University account is not registered for this application', 403);
}
qdb_reject_coach_web_login((string)($user['role'] ?? ''));
if ((int)($user['mustChangePassword'] ?? 0) === 1) {
json_error('PASSWORD_CHANGE_REQUIRED', 'Please sign in locally once to change your temporary password before using University login', 403);
}
$securitySettings = qdb_settings_get();
$token = bin2hex(random_bytes(32));
token_add($token, qdb_session_ttl_seconds($securitySettings, false), [
'role' => $user['role'],
'entityID' => $user['entityID'],
'userID' => $user['userID'],
]);
qdb_keycloak_finish_html($token, $username, (string)$user['role']);
} catch (Throwable $e) {
qdb_handler_fail($e, 'keycloak-callback', null, $tmpDb ?? null, $lockFp ?? null);
}
break;
default:
json_error('NOT_FOUND', 'Unknown auth route', 404);
}