| 1 |
<?php |
| 2 |
if (!defined('ABSPATH')) exit; |
| 3 |
if (!class_exists('WPRSecurityCallback')) : |
| 4 |
class WPRSecurityCallback extends WPRCallbackBase { |
| 5 |
private $settings; |
| 6 |
|
| 7 |
public function __construct() { |
| 8 |
$this->settings = new WPRWPSettings(); |
| 9 |
} |
| 10 |
|
| 11 |
// phpcs:disable WordPress.WP.AlternativeFunctions.file_system_operations_fread |
| 12 |
// Here we need fread as we are using popen which returns a handler |
| 13 |
function getCrontab() { |
| 14 |
$resp = array(); |
| 15 |
|
| 16 |
if (function_exists('exec')) { |
| 17 |
$output = array(); |
| 18 |
$retval = -1; |
| 19 |
$execRes = exec('crontab -l', $output, $retval); |
| 20 |
if ($execRes !== false && $execRes !== null) { |
| 21 |
$resp["content"] = implode("\n", $output); |
| 22 |
$resp["status"] = "success"; |
| 23 |
$resp["code"] = $retval; |
| 24 |
} |
| 25 |
} |
| 26 |
if (empty($resp) && function_exists('popen')) { |
| 27 |
$handle = popen('crontab -l', 'rb'); |
| 28 |
if ($handle) { |
| 29 |
$output = ''; |
| 30 |
while (!feof($handle)) { |
| 31 |
$output .= fread($handle, 8192); |
| 32 |
} |
| 33 |
$resp["content"] = $output; |
| 34 |
$resp["status"] = "success"; |
| 35 |
pclose($handle); |
| 36 |
} else { |
| 37 |
$resp["status"] = "failed"; |
| 38 |
} |
| 39 |
} |
| 40 |
|
| 41 |
return $resp; |
| 42 |
} |
| 43 |
// phpcs:enable WordPress.WP.AlternativeFunctions.file_system_operations_fread |
| 44 |
|
| 45 |
public function setupWP2FA($secrets_by_uids, $to_encrypt, $cipher_algo, $enabled) { |
| 46 |
if (!is_array($secrets_by_uids) || !is_bool($to_encrypt) || |
| 47 |
(!is_null($cipher_algo) && !is_string($cipher_algo)) || |
| 48 |
(!is_null($enabled) && !is_bool($enabled))) { |
| 49 |
return array("status" => false, "message" => "Invalid parameters."); |
| 50 |
} |
| 51 |
if (count($secrets_by_uids) < 1) { |
| 52 |
return array("status" => false, "message" => "Invalid parameters."); |
| 53 |
} |
| 54 |
foreach ($secrets_by_uids as $user_id => $secret) { |
| 55 |
if (!$this->isValidUserId($user_id) || !is_string($secret)) { |
| 56 |
return array("status" => false, "message" => "Invalid parameters."); |
| 57 |
} |
| 58 |
} |
| 59 |
|
| 60 |
$result = array(); |
| 61 |
$status = true; |
| 62 |
foreach ($secrets_by_uids as $user_id => $secret) { |
| 63 |
if ($to_encrypt === true) { |
| 64 |
if (empty($cipher_algo)) { |
| 65 |
$cipher_algo = WPRWP2FA::$cipher_algo; |
| 66 |
} |
| 67 |
|
| 68 |
if (defined('SECURE_AUTH_KEY')) { |
| 69 |
$encryption_result = WPRHelper::opensslEncrypt($secret, $cipher_algo, SECURE_AUTH_KEY); |
| 70 |
if ($encryption_result[0] === false) { |
| 71 |
return array("status" => false, "message" => $encryption_result[1]); |
| 72 |
} |
| 73 |
$secret = $encryption_result[1]; |
| 74 |
} else { |
| 75 |
return array("status" => false, "message" => "Encryption key not found."); |
| 76 |
} |
| 77 |
} |
| 78 |
|
| 79 |
$secret_info = array( |
| 80 |
"secret" => base64_encode($secret), |
| 81 |
"is_encrypted" => $to_encrypt |
| 82 |
); |
| 83 |
|
| 84 |
$email_state_cleared = WPRWP2FAEmailOTP::revoke($user_id); |
| 85 |
$attempt_state_cleared = WPRWP2FATimeOTPLogin::clearState($user_id); |
| 86 |
$result[$user_id][WPRWP2FA::EMAIL_CHALLENGE_META_KEY] = $email_state_cleared; |
| 87 |
if (!$email_state_cleared || !$attempt_state_cleared) { |
| 88 |
$status = false; |
| 89 |
continue; |
| 90 |
} |
| 91 |
|
| 92 |
update_user_meta($user_id, WPRWP2FA::SECRET_META_KEY, $secret_info); |
| 93 |
$secret_saved = get_user_meta($user_id, WPRWP2FA::SECRET_META_KEY, true) === $secret_info; |
| 94 |
$result[$user_id][WPRWP2FA::SECRET_META_KEY] = $secret_saved; |
| 95 |
if (!$secret_saved) { |
| 96 |
$status = false; |
| 97 |
continue; |
| 98 |
} |
| 99 |
|
| 100 |
update_user_meta($user_id, WPRWP2FA::METHOD_META_KEY, 'totp'); |
| 101 |
$method_saved = get_user_meta($user_id, WPRWP2FA::METHOD_META_KEY, true) === 'totp'; |
| 102 |
$result[$user_id][WPRWP2FA::METHOD_META_KEY] = $method_saved; |
| 103 |
if (!$method_saved) { |
| 104 |
$status = false; |
| 105 |
continue; |
| 106 |
} |
| 107 |
|
| 108 |
update_user_meta($user_id, WPRWP2FA::FLAG_META_KEY, true); |
| 109 |
$flag_saved = get_user_meta($user_id, WPRWP2FA::FLAG_META_KEY, true) === '1'; |
| 110 |
$result[$user_id][WPRWP2FA::FLAG_META_KEY] = $flag_saved; |
| 111 |
if (!$flag_saved) { |
| 112 |
$status = false; |
| 113 |
} |
| 114 |
} |
| 115 |
|
| 116 |
if (is_bool($enabled)) { |
| 117 |
$config = array("enabled" => $enabled); |
| 118 |
$this->settings->updateOption(WPRWP2FA::$wp_2fa_option, $config); |
| 119 |
$option_saved = WPRWP2FA::isEnabled($this->settings) === $enabled; |
| 120 |
$result[WPRWP2FA::$wp_2fa_option] = $option_saved; |
| 121 |
if (!$option_saved) { |
| 122 |
$status = false; |
| 123 |
} |
| 124 |
} |
| 125 |
|
| 126 |
return array("status" => $status, "result" => $result); |
| 127 |
} |
| 128 |
|
| 129 |
public function verifyWP2FACode($user_id, $code, $cipher_algo = null) { |
| 130 |
$encoded_secret_info = get_user_meta($user_id, WPRWP2FA::SECRET_META_KEY, true); |
| 131 |
|
| 132 |
$secret_info = WPRWP2FAUtils::getSecretInfo($encoded_secret_info); |
| 133 |
$secret = $secret_info['secret']; |
| 134 |
$is_secret_encrypted = $secret_info['is_encrypted']; |
| 135 |
|
| 136 |
if (is_null($secret) || is_null($is_secret_encrypted)) { |
| 137 |
return array("status" => false, "message" => "Secret and encryption status not found."); |
| 138 |
} |
| 139 |
|
| 140 |
if ($is_secret_encrypted === true) { |
| 141 |
if (empty($cipher_algo)) { |
| 142 |
$cipher_algo = WPRWP2FA::$cipher_algo; |
| 143 |
} |
| 144 |
|
| 145 |
if (defined('SECURE_AUTH_KEY')) { |
| 146 |
$decryption_result = WPRHelper::opensslDecrypt($secret, $cipher_algo, SECURE_AUTH_KEY); |
| 147 |
if ($decryption_result[0] === false) { |
| 148 |
return array("status" => false, "message" => $decryption_result[1]); |
| 149 |
} |
| 150 |
$secret = $decryption_result[1]; |
| 151 |
} else { |
| 152 |
return array("status" => false, "message" => "Decryption key not found."); |
| 153 |
} |
| 154 |
} |
| 155 |
|
| 156 |
return array("status" => WPRWP2FATimeOTP::verifyCode($secret, $code, 2)); |
| 157 |
} |
| 158 |
|
| 159 |
public function readWP2FAKeys($user_id) { |
| 160 |
$secret = get_user_meta($user_id, WPRWP2FA::SECRET_META_KEY, true); |
| 161 |
$enabled = get_user_meta($user_id, WPRWP2FA::FLAG_META_KEY, true); |
| 162 |
return array( |
| 163 |
"secret" => $secret, |
| 164 |
"enabled" => $enabled |
| 165 |
); |
| 166 |
} |
| 167 |
|
| 168 |
public function deleteWP2FAKeys($user_ids, $is_disable = false) { |
| 169 |
$result = array(); |
| 170 |
$status = true; |
| 171 |
|
| 172 |
foreach ($user_ids as $user_id) { |
| 173 |
$secret_deleted = $this->deleteUserMetaState($user_id, WPRWP2FA::SECRET_META_KEY); |
| 174 |
$flag_deleted = $this->deleteUserMetaState($user_id, WPRWP2FA::FLAG_META_KEY); |
| 175 |
$method_deleted = $this->deleteUserMetaState($user_id, WPRWP2FA::METHOD_META_KEY); |
| 176 |
$email_state_deleted = WPRWP2FAEmailOTP::revoke($user_id); |
| 177 |
$totp_state_deleted = WPRWP2FATimeOTPLogin::clearState($user_id); |
| 178 |
$status = $status && $secret_deleted && $flag_deleted && $method_deleted && |
| 179 |
$email_state_deleted && $totp_state_deleted; |
| 180 |
$result[$user_id] = array( |
| 181 |
WPRWP2FA::SECRET_META_KEY => $secret_deleted, |
| 182 |
WPRWP2FA::FLAG_META_KEY => $flag_deleted, |
| 183 |
WPRWP2FA::METHOD_META_KEY => $method_deleted, |
| 184 |
WPRWP2FA::EMAIL_CHALLENGE_META_KEY => $email_state_deleted |
| 185 |
); |
| 186 |
} |
| 187 |
|
| 188 |
if ($is_disable === true) { |
| 189 |
$this->settings->deleteOption(WPRWP2FA::$wp_2fa_option); |
| 190 |
$option_deleted = $this->settings->getOption(WPRWP2FA::$wp_2fa_option) === false; |
| 191 |
$result[WPRWP2FA::$wp_2fa_option] = $option_deleted; |
| 192 |
$status = $status && $option_deleted; |
| 193 |
} |
| 194 |
|
| 195 |
return array("status" => $status, "result" => $result); |
| 196 |
} |
| 197 |
|
| 198 |
private function deleteUserMetaState($user_id, $key) { |
| 199 |
delete_user_meta($user_id, $key); |
| 200 |
return !metadata_exists('user', $user_id, $key); |
| 201 |
} |
| 202 |
|
| 203 |
private function restoreEmailWP2FAMeta($user_id, $key, $value) { |
| 204 |
if ($value === '') { |
| 205 |
delete_user_meta($user_id, $key); |
| 206 |
if (get_user_meta($user_id, $key, true) !== '') update_user_meta($user_id, $key, ''); |
| 207 |
} else { |
| 208 |
update_user_meta($user_id, $key, $value); |
| 209 |
} |
| 210 |
return get_user_meta($user_id, $key, true) === $value; |
| 211 |
} |
| 212 |
|
| 213 |
private function restoreEmailWP2FAUserState($user_id, $method, $flag) { |
| 214 |
$method_restored = $this->restoreEmailWP2FAMeta($user_id, WPRWP2FA::METHOD_META_KEY, $method); |
| 215 |
$flag_restored = $this->restoreEmailWP2FAMeta($user_id, WPRWP2FA::FLAG_META_KEY, $flag); |
| 216 |
return $method_restored && $flag_restored; |
| 217 |
} |
| 218 |
|
| 219 |
private function clearAuthenticatorState($user_id) { |
| 220 |
$secret_deleted = $this->deleteUserMetaState($user_id, WPRWP2FA::SECRET_META_KEY); |
| 221 |
$attempt_state_deleted = WPRWP2FATimeOTPLogin::clearState($user_id); |
| 222 |
return $secret_deleted && $attempt_state_deleted; |
| 223 |
} |
| 224 |
|
| 225 |
private function isValidUserId($user_id) { |
| 226 |
$is_integer = is_int($user_id); |
| 227 |
$is_integer_string = is_string($user_id) && ctype_digit($user_id); |
| 228 |
return ($is_integer || $is_integer_string) && intval($user_id) > 0; |
| 229 |
} |
| 230 |
|
| 231 |
public function setupEmailWP2FA($capability_version, $enabled, $targets) { |
| 232 |
if (!is_int($capability_version) || $capability_version !== 1 || $enabled !== true || !is_array($targets) || count($targets) < 1 || count($targets) > 100) return array('status' => false, 'outcomes' => array()); |
| 233 |
$seen_user_ids = array(); |
| 234 |
foreach ($targets as $target) { |
| 235 |
if (!is_array($target) || !isset($target['user_id']) || !is_int($target['user_id']) || $target['user_id'] < 1 || !array_key_exists('replace_existing', $target) || !is_bool($target['replace_existing']) || isset($seen_user_ids[$target['user_id']])) return array('status' => false, 'outcomes' => array()); |
| 236 |
$seen_user_ids[$target['user_id']] = true; |
| 237 |
} |
| 238 |
if (!WPRWP2FAEmailOTP::hasSiteSecret()) { |
| 239 |
$outcomes = array(); |
| 240 |
foreach ($targets as $target) { |
| 241 |
$outcomes[] = array('user_id' => $target['user_id'], 'status' => 'rejected', 'reason' => 'secure_secret_unavailable'); |
| 242 |
} |
| 243 |
return array('status' => true, 'outcomes' => $outcomes); |
| 244 |
} |
| 245 |
$config = $this->settings->getOption(WPRWP2FA::$wp_2fa_option); |
| 246 |
if (!is_array($config)) $config = array(); |
| 247 |
$config['enabled'] = true; |
| 248 |
$this->settings->updateOption(WPRWP2FA::$wp_2fa_option, $config); |
| 249 |
if (!WPRWP2FA::isEnabled($this->settings)) return array('status' => false, 'outcomes' => array()); |
| 250 |
$outcomes = array(); |
| 251 |
foreach ($targets as $target) { |
| 252 |
$user_id = isset($target['user_id']) ? $target['user_id'] : null; |
| 253 |
$replace = isset($target['replace_existing']) && $target['replace_existing'] === true; |
| 254 |
if (!is_int($user_id) || $user_id < 1) continue; |
| 255 |
$user = get_userdata($user_id); |
| 256 |
if (!$user) { $outcomes[] = array('user_id' => $user_id, 'status' => 'rejected', 'reason' => 'not_found'); continue; } |
| 257 |
if (!is_email($user->user_email)) { $outcomes[] = array('user_id' => $user_id, 'status' => 'rejected', 'reason' => 'invalid_email'); continue; } |
| 258 |
$current = get_user_meta($user_id, WPRWP2FA::METHOD_META_KEY, true); |
| 259 |
$has_2fa = get_user_meta($user_id, WPRWP2FA::FLAG_META_KEY, true) === '1'; |
| 260 |
$current = ($has_2fa && $current === '') ? 'totp' : $current; |
| 261 |
if ($has_2fa && $current === 'email_otp') { |
| 262 |
$authenticator_state_cleared = $this->clearAuthenticatorState($user_id); |
| 263 |
$outcomes[] = array( |
| 264 |
'user_id' => $user_id, |
| 265 |
'status' => $authenticator_state_cleared ? 'already_configured' : 'rejected', |
| 266 |
'reason' => $authenticator_state_cleared ? null : 'persistence_failed' |
| 267 |
); |
| 268 |
continue; |
| 269 |
} |
| 270 |
if ($has_2fa && !$replace) { $outcomes[] = array('user_id' => $user_id, 'status' => 'rejected', 'reason' => 'replacement_required'); continue; } |
| 271 |
$previous_method = get_user_meta($user_id, WPRWP2FA::METHOD_META_KEY, true); |
| 272 |
$previous_flag = get_user_meta($user_id, WPRWP2FA::FLAG_META_KEY, true); |
| 273 |
if (!WPRWP2FAEmailOTP::revoke($user_id)) { |
| 274 |
$outcomes[] = array('user_id' => $user_id, 'status' => 'rejected', 'reason' => 'persistence_failed'); |
| 275 |
continue; |
| 276 |
} |
| 277 |
update_user_meta($user_id, WPRWP2FA::METHOD_META_KEY, 'email_otp'); |
| 278 |
update_user_meta($user_id, WPRWP2FA::FLAG_META_KEY, true); |
| 279 |
$method_persisted = get_user_meta($user_id, WPRWP2FA::METHOD_META_KEY, true) === 'email_otp'; |
| 280 |
$flag_persisted = get_user_meta($user_id, WPRWP2FA::FLAG_META_KEY, true) === '1'; |
| 281 |
if (!$method_persisted || !$flag_persisted) { |
| 282 |
$rollback_restored = $this->restoreEmailWP2FAUserState($user_id, $previous_method, $previous_flag); |
| 283 |
$reason = $rollback_restored ? 'persistence_failed' : 'rollback_failed'; |
| 284 |
$outcomes[] = array('user_id' => $user_id, 'status' => 'rejected', 'reason' => $reason); |
| 285 |
continue; |
| 286 |
} |
| 287 |
# Dropped only once the switch has stuck, so the rollback above still has it. |
| 288 |
if (!$this->clearAuthenticatorState($user_id)) { |
| 289 |
$outcomes[] = array('user_id' => $user_id, 'status' => 'rejected', 'reason' => 'persistence_failed'); |
| 290 |
continue; |
| 291 |
} |
| 292 |
$outcomes[] = array('user_id' => $user_id, 'status' => 'configured', 'reason' => null); |
| 293 |
} |
| 294 |
return array('status' => true, 'outcomes' => $outcomes); |
| 295 |
} |
| 296 |
|
| 297 |
public function process($request) { |
| 298 |
$params = isset($request->params) && is_array($request->params) ? $request->params : array(); |
| 299 |
$invalid_params = array('status' => false, 'message' => 'Invalid parameters.'); |
| 300 |
|
| 301 |
switch ($request->method) { |
| 302 |
case "gtcrntb": |
| 303 |
$resp = $this->getCrontab(); |
| 304 |
break; |
| 305 |
case "stupwp2fa": |
| 306 |
$secrets_by_uids = array_key_exists('secrets_by_uids', $params) ? $params['secrets_by_uids'] : null; |
| 307 |
$to_encrypt = array_key_exists('to_encrypt', $params) ? $params['to_encrypt'] : null; |
| 308 |
$cipher_algo = array_key_exists('cipher_algo', $params) ? $params['cipher_algo'] : null; |
| 309 |
$enable_wp_2fa = array_key_exists('enable_wp_2fa', $params) ? $params['enable_wp_2fa'] : null; |
| 310 |
if (!is_array($secrets_by_uids) || !is_bool($to_encrypt) || |
| 311 |
(!is_null($cipher_algo) && !is_string($cipher_algo)) || |
| 312 |
(!is_null($enable_wp_2fa) && !is_bool($enable_wp_2fa))) { |
| 313 |
$resp = $invalid_params; |
| 314 |
break; |
| 315 |
} |
| 316 |
$resp = $this->setupWP2FA($secrets_by_uids, $to_encrypt, $cipher_algo, $enable_wp_2fa); |
| 317 |
break; |
| 318 |
case "stupemail2fa": |
| 319 |
$capability_version = array_key_exists('capability_version', $params) ? $params['capability_version'] : null; |
| 320 |
$enable_wp_2fa = array_key_exists('enable_wp_2fa', $params) ? $params['enable_wp_2fa'] : null; |
| 321 |
$targets = array_key_exists('targets', $params) ? $params['targets'] : null; |
| 322 |
$resp = $this->setupEmailWP2FA($capability_version, $enable_wp_2fa, $targets); |
| 323 |
break; |
| 324 |
case "vrfywp2fa": |
| 325 |
$user_id = array_key_exists('user_id', $params) ? $params['user_id'] : null; |
| 326 |
$code = array_key_exists('code', $params) ? $params['code'] : null; |
| 327 |
$cipher_algo = array_key_exists('cipher_algo', $params) ? $params['cipher_algo'] : null; |
| 328 |
if (!$this->isValidUserId($user_id) || !is_string($code) || |
| 329 |
(!is_null($cipher_algo) && !is_string($cipher_algo))) { |
| 330 |
$resp = $invalid_params; |
| 331 |
break; |
| 332 |
} |
| 333 |
$resp = $this->verifyWP2FACode($user_id, $code, $cipher_algo); |
| 334 |
break; |
| 335 |
case "rdwp2fa": |
| 336 |
$user_id = array_key_exists('user_id', $params) ? $params['user_id'] : null; |
| 337 |
$resp = $this->isValidUserId($user_id) ? $this->readWP2FAKeys($user_id) : $invalid_params; |
| 338 |
break; |
| 339 |
case "dltewp2fa": |
| 340 |
$user_ids = array_key_exists('user_ids', $params) ? $params['user_ids'] : null; |
| 341 |
$is_disable = array_key_exists('is_disable', $params) ? $params['is_disable'] : null; |
| 342 |
$valid_user_ids = is_array($user_ids); |
| 343 |
if ($valid_user_ids) { |
| 344 |
foreach ($user_ids as $user_id) { |
| 345 |
if (!$this->isValidUserId($user_id)) { |
| 346 |
$valid_user_ids = false; |
| 347 |
break; |
| 348 |
} |
| 349 |
} |
| 350 |
} |
| 351 |
$resp = ($valid_user_ids && is_bool($is_disable)) ? |
| 352 |
$this->deleteWP2FAKeys($user_ids, $is_disable) : $invalid_params; |
| 353 |
break; |
| 354 |
default: |
| 355 |
$resp = false; |
| 356 |
} |
| 357 |
|
| 358 |
return $resp; |
| 359 |
} |
| 360 |
} |
| 361 |
endif; |
| 362 |
|
