| @@ -1,858 +1,353 @@ | ||
| 1 | -<?php | |
| 2 | - | |
| 3 | -// Do not allow the file to be called directly. | |
| 4 | -if ( ! defined( 'ABSPATH' ) ) { | |
| 5 | - exit; | |
| 6 | -} | |
| 7 | - | |
| 8 | -/** | |
| 9 | - * This class is used to activate and deactivate the plugin. | |
| 10 | - * Additionally, we use it to run migrations. | |
| 11 | - */ | |
| 12 | -class P_Activation extends P_Core { | |
| 13 | - | |
| 14 | - /** | |
| 15 | - * Holds any activation errors. | |
| 16 | - * | |
| 17 | - * @var array | |
| 18 | - */ | |
| 19 | - private $activation_errors = []; | |
| 20 | - | |
| 21 | - /** | |
| 22 | - * Add the actions required for the activation. | |
| 23 | - * | |
| 24 | - * @param Patchstack $core | |
| 25 | - * @return void | |
| 26 | - */ | |
| 27 | - public function __construct( $core ) { | |
| 28 | - parent::__construct( $core ); | |
| 29 | - | |
| 30 | - add_action( 'activated_plugin', [ $this, 'redirect_activation' ], 10, 2 ); | |
| 31 | - add_action( 'updated_option', [ $this, 'updated_option' ], 10, 3 ); | |
| 32 | - } | |
| 33 | - | |
| 34 | - /** | |
| 35 | - * Redirect the user to our settings page after plugin activation. | |
| 36 | - * | |
| 37 | - * @param string $plugin The plugin that is activated. | |
| 38 | - * @param boolean $network_activation If a network wide activation. (multisite) | |
| 39 | - * @return void | |
| 40 | - */ | |
| 41 | - public function redirect_activation( $plugin, $network_activation ) { | |
| 42 | - if ( defined( 'WP_CLI' ) && WP_CLI ) { | |
| 43 | - return; | |
| 44 | - } | |
| 45 | - | |
| 46 | - // Only if it's the current plugin. | |
| 47 | - if ( $plugin == $this->plugin->basename && ! isset( $_REQUEST['_ajax_nonce'] ) ) { | |
| 48 | - | |
| 49 | - // If plugin bulk activate through wp-admin, we ignore the redirect if it's more than 1 plugin. | |
| 50 | - if ( isset( $_POST['checked'] ) && is_array( $_POST['checked'] ) && count( $_POST['checked'] ) > 1 ) { | |
| 51 | - return; | |
| 52 | - } | |
| 53 | - | |
| 54 | - // If the plugin is already connected or API activated, no need to redirect again. | |
| 55 | - if ( $this->license_is_active() || $this->is_connected() ) { | |
| 56 | - return; | |
| 57 | - } | |
| 58 | - | |
| 59 | - // Determine if secret token was set, if so, sync with API. | |
| 60 | - $attemptAuto = false; | |
| 61 | - $secretToken = get_option( 'patchstack_activation_secret', '' ); | |
| 62 | - if ( ! empty( $secretToken ) ) { | |
| 63 | - $attemptAuto = true; | |
| 64 | - } | |
| 65 | - | |
| 66 | - // In case of multisite, we want to redirect the user to a different page. | |
| 67 | - if ( $network_activation ) { | |
| 68 | - wp_safe_redirect( network_admin_url( 'admin.php?page=patchstack-multisite-settings&tab=multisite&ps_activated=1' . ($attemptAuto ? '&ps_autoa=1' : '' ) ) ); | |
| 69 | - } else { | |
| 70 | - wp_safe_redirect( admin_url( 'admin.php?page=' . $this->plugin->name . '&ps_activated=1' . ($attemptAuto ? '&ps_autoa=1' : '' ) ) ); | |
| 71 | - } | |
| 72 | - exit; | |
| 73 | - } | |
| 74 | - } | |
| 75 | - | |
| 76 | - /** | |
| 77 | - * Check if the plugin meets requirements and disable it if they are not present. | |
| 78 | - * | |
| 79 | - * @return boolean | |
| 80 | - */ | |
| 81 | - public function check_requirements() { | |
| 82 | - if ( $this->meets_requirements() ) { | |
| 83 | - return true; | |
| 84 | - } | |
| 85 | - | |
| 86 | - // Add a dashboard notice. | |
| 87 | - add_action( 'all_admin_notices', [ $this, 'requirements_not_met_notice' ] ); | |
| 88 | - return false; | |
| 89 | - } | |
| 90 | - | |
| 91 | - /** | |
| 92 | - * Check that all plugin requirements are met. | |
| 93 | - * | |
| 94 | - * @return boolean | |
| 95 | - */ | |
| 96 | - public function meets_requirements() { | |
| 97 | - // Check to see if we can access the API. | |
| 98 | - $response = wp_remote_request( | |
| 99 | - $this->plugin->api_url, | |
| 100 | - [ | |
| 101 | - 'method' => 'GET', | |
| 102 | - 'timeout' => 10, | |
| 103 | - 'redirection' => 5, | |
| 104 | - ] | |
| 105 | - ); | |
| 106 | - | |
| 107 | - // Check if we can access the API. | |
| 108 | - if ( is_wp_error( $response ) ) { | |
| 109 | - $this->activation_errors[] = 'We were unable to contact our API server. Please contact your host and ask them to make sure that outgoing connections to api.patchstack.com are not blocked.<br />Additional error message to give to your host: ' . $response->get_error_message(); | |
| 110 | - return false; | |
| 111 | - } | |
| 112 | - | |
| 113 | - // Do checks for required classes / functions or similar. | |
| 114 | - // Add detailed messages to $this->activation_errors array. | |
| 115 | - if ( version_compare( phpversion(), '5.6.0', '<' ) ) { | |
| 116 | - $this->activation_errors[] = 'Please update the PHP version on your host to at least 5.6.0. Ask your host if you do not know what this means.'; | |
| 117 | - return false; | |
| 118 | - } | |
| 119 | - | |
| 120 | - global $wp_version; | |
| 121 | - if ( version_compare( $wp_version, '4.3.0', '<' ) ) { | |
| 122 | - $this->activation_errors[] = 'Please upgrade your WordPress site to at least 4.3.0.'; | |
| 123 | - return false; | |
| 124 | - } | |
| 125 | - | |
| 126 | - return true; | |
| 127 | - } | |
| 128 | - | |
| 129 | - /** | |
| 130 | - * Adds a notice to the dashboard if the plugin requirements are not met. | |
| 131 | - * | |
| 132 | - * @return void | |
| 133 | - */ | |
| 134 | - public function requirements_not_met_notice() { | |
| 135 | - // Deactivate the plugin. | |
| 136 | - deactivate_plugins( $this->plugin->basename ); | |
| 137 | - | |
| 138 | - // Compile default message. | |
| 139 | - $default_message = esc_attr__( 'Patchstack could not be activated due to a conflict. See below for information regarding the conflict.<br />', 'patchstack' ); | |
| 140 | - | |
| 141 | - // Print the errors on the screen. | |
| 142 | - echo wp_kses_post( $default_message ); | |
| 143 | - echo wp_kses_post( implode( '<br />', $this->activation_errors ) ); | |
| 144 | - } | |
| 145 | - | |
| 146 | - /** | |
| 147 | - * Activate the plugin. | |
| 148 | - * | |
| 149 | - * @param Patchstack $core | |
| 150 | - * @return void | |
| 151 | - */ | |
| 152 | - public function activate( $core ) { | |
| 153 | - // Bail early if requirements are not met. | |
| 154 | - if ( ! $this->check_requirements() ) { | |
| 155 | - $this->requirements_not_met_notice(); | |
| 156 | - exit; | |
| 157 | - } | |
| 158 | - | |
| 159 | - // Check if the webarx/webarx.php plugin is present, if so, remove it. | |
| 160 | - if ( is_dir( WP_PLUGIN_DIR . '/webarx' ) ) { | |
| 161 | - | |
| 162 | - // Migrate all current options to the new prefix. | |
| 163 | - global $wpdb; | |
| 164 | - $exists = $wpdb->get_var( "SELECT COUNT(*) FROM " . $wpdb->prefix . "options WHERE option_name = 'webarx_api_token'" ); | |
| 165 | - | |
| 166 | - // Move over the options. | |
| 167 | - if ( !is_null( $exists ) && $exists >= 1 ) { | |
| 168 | - $wpdb->query( 'INSERT IGNORE INTO ' . $wpdb->prefix . "options (option_name, option_value, autoload) SELECT REPLACE(option_name, 'webarx_', 'patchstack_') as option_name, option_value, autoload FROM " . $wpdb->prefix . "options WHERE option_name like 'webarx_%'" ); | |
| 169 | - $wpdb->query( 'UPDATE ' . $wpdb->prefix . 'options AS a SET option_value = (SELECT option_value FROM ' . $wpdb->prefix . "options WHERE option_name = REPLACE(a.option_name, 'patchstack_', 'webarx_')) WHERE option_name LIKE 'patchstack_%'" ); | |
| 170 | - } | |
| 171 | - | |
| 172 | - // Deactivate the plugin. | |
| 173 | - include_once ABSPATH . 'wp-admin/includes/plugin.php'; | |
| 174 | - deactivate_plugins( [ 'webarx/webarx.php' ] ); | |
| 175 | - update_option( 'patchstack_license_free', '0', true ); | |
| 176 | - } | |
| 177 | - | |
| 178 | - // Make sure any rewrite functionality has been loaded. | |
| 179 | - $this->migrate(); | |
| 180 | - add_option( 'patchstack_first_activated', '1' ); | |
| 181 | - | |
| 182 | - // Whether or not we should send a secret key to our API. | |
| 183 | - $sendSecret = false; | |
| 184 | - | |
| 185 | - // Activate the license. | |
| 186 | - if ( $this->plugin->client_id != 'PATCHSTACK_CLIENT_ID' && $this->plugin->private_key != 'PATCHSTACK_PRIVATE_KEY' ) { | |
| 187 | - $this->alter_license( $this->plugin->client_id, $this->plugin->private_key, 'activate' ); | |
| 188 | - } elseif ( get_option( 'patchstack_clientid', false ) != false && get_option( 'patchstack_secretkey', false ) != false ) { | |
| 189 | - $this->alter_license( get_option( 'patchstack_clientid' ), $this->get_secret_key(), 'activate' ); | |
| 190 | - } else { | |
| 191 | - $sendSecret = true; | |
| 192 | - update_option( 'patchstack_license_free', '1', true ); | |
| 193 | - } | |
| 194 | - | |
| 195 | - // Update firewall status after activating plugin | |
| 196 | - $api = new P_Api( $core ); | |
| 197 | - $token = $api->get_access_token(); | |
| 198 | - if ( ! empty( $token ) ) { | |
| 199 | - $api->update_firewall_status( [ 'status' => 1 ] ); | |
| 200 | - $api->update_url( [ 'plugin_url' => get_option( 'siteurl' ) ] ); | |
| 201 | - } elseif ( $sendSecret ) { | |
| 202 | - $secretToken = wp_generate_password( 36, true ); | |
| 203 | - update_option( 'patchstack_activation_secret', $secretToken ); | |
| 204 | - update_option( 'patchstack_activation_time', time() + 59 ) ; | |
| 205 | - } | |
| 206 | - | |
| 207 | - // Immediately send software data to our server to set firewall as enabled. | |
| 208 | - // Also immediately download the whitelist file and the firewall rules. | |
| 209 | - do_action( 'patchstack_send_software_data' ); | |
| 210 | - if ( get_option( 'patchstack_license_free', 0 ) != 1 ) { | |
| 211 | - do_action( 'patchstack_post_firewall_rules' ); | |
| 212 | - do_action( 'patchstack_post_dynamic_firewall_rules' ); | |
| 213 | - } | |
| 214 | - | |
| 215 | - // Try to create the mu-plugins folder/file. | |
| 216 | - // No need to do this if it already exists. | |
| 217 | - if ( file_exists( WPMU_PLUGIN_DIR . '/patchstack.php' ) || file_exists( WPMU_PLUGIN_DIR . '/_patchstack.php' ) || ( defined( 'PS_DISABLE_MU' ) && PS_DISABLE_MU ) ) { | |
| 218 | - return; | |
| 219 | - } | |
| 220 | - | |
| 221 | - // The mu-plugin does not exist, try to create it. | |
| 222 | - @include_once ABSPATH . 'wp-admin/includes/file.php'; | |
| 223 | - $wpfs = WP_Filesystem(); | |
| 224 | - | |
| 225 | - // Failed to initialize WP_Filesystem. | |
| 226 | - if ( ! $wpfs ) { | |
| 227 | - return; | |
| 228 | - } | |
| 229 | - | |
| 230 | - if ( ! is_dir( WPMU_PLUGIN_DIR ) ) { | |
| 231 | - wp_mkdir_p( WPMU_PLUGIN_DIR ); | |
| 232 | - } | |
| 233 | - | |
| 234 | - // Failed to create the mu-plugin folder. | |
| 235 | - if ( ! is_dir( WPMU_PLUGIN_DIR ) ) { | |
| 236 | - return; | |
| 237 | - } | |
| 238 | - | |
| 239 | - // Create the mu-plugin file in the folder. | |
| 240 | - if ( is_writable( WPMU_PLUGIN_DIR ) ) { | |
| 241 | - $php = @file_get_contents( trailingslashit( plugin_dir_path( __FILE__ ) ) . 'mu-plugin.php' ); | |
| 242 | - @file_put_contents( trailingslashit( WPMU_PLUGIN_DIR ) . '_patchstack.php', $php ); | |
| 243 | - } | |
| 244 | - } | |
| 245 | - | |
| 246 | - /** | |
| 247 | - * Build the required Patchstack tables. | |
| 248 | - * | |
| 249 | - * @param null|string $ver The version to upgrade to. | |
| 250 | - * @param null|integer $site_id The blog id to perform the upgrades on. | |
| 251 | - * @return void | |
| 252 | - */ | |
| 253 | - public function migrate( $ver = null, $site_id = null ) { | |
| 254 | - global $wpdb; | |
| 255 | - require_once ABSPATH . 'wp-admin/includes/upgrade.php'; | |
| 256 | - $charset_collate = $wpdb->get_charset_collate(); | |
| 257 | - $prefix = $site_id != null ? $wpdb->get_blog_prefix( $site_id ) : $wpdb->prefix; | |
| 258 | - | |
| 259 | - // The following conditions will only execute if Patchstack is installed because of an update | |
| 260 | - // and if we need to perform migrations. | |
| 261 | - if ( $ver !== null && file_exists( dirname( __FILE__ ) . '/migrations/v' . str_replace( '.', '', $ver ) . '.php' ) ) { | |
| 262 | - require_once dirname( __FILE__ ) . '/migrations/v' . str_replace( '.', '', $ver ) . '.php'; | |
| 263 | - return; | |
| 264 | - } | |
| 265 | - | |
| 266 | - // Require the base migration. | |
| 267 | - require_once dirname( __FILE__ ) . '/migrations/base.php'; | |
| 268 | - } | |
| 269 | - | |
| 270 | - /** | |
| 271 | - * Check if the database version of the plugin is running behind. | |
| 272 | - * If so, run the migrations up until the latest version. | |
| 273 | - * | |
| 274 | - * @return void | |
| 275 | - */ | |
| 276 | - public function migrate_check() { | |
| 277 | - // Only perform migrations if we have any to execute. | |
| 278 | - $versions = ['3.0.0', '3.0.1', '3.0.2', '3.0.3', '3.0.4']; | |
| 279 | - if ( count( $versions ) == 0 ) { | |
| 280 | - return; | |
| 281 | - } | |
| 282 | - | |
| 283 | - // Get current database version and run the migrations. | |
| 284 | - $db_version = get_option( 'patchstack_db_version', false ); | |
| 285 | - foreach ( $versions as $version ) { | |
| 286 | - if ( version_compare( $db_version, $version, '<' ) ) { | |
| 287 | - $this->migrate( $version ); | |
| 288 | - } | |
| 289 | - } | |
| 290 | - } | |
| 291 | - | |
| 292 | - /** | |
| 293 | - * Perform cleanup when the plugin is deactivated. | |
| 294 | - * | |
| 295 | - * @return void | |
| 296 | - */ | |
| 297 | - public function deactivate() { | |
| 298 | - // Update firewall status after de-activating plugin | |
| 299 | - try { | |
| 300 | - $token = $this->plugin->api->get_access_token(); | |
| 301 | - if ( ! empty( $token ) ) { | |
| 302 | - $this->plugin->api->update_firewall_status( [ 'status' => 0 ] ); | |
| 303 | - } | |
| 304 | - } catch (\Exception $e) { | |
| 305 | - // | |
| 306 | - } | |
| 307 | - | |
| 308 | - // Clear all Patchstack scheduled tasks. | |
| 309 | - $tasks = [ 'patchstack_zip_backup', 'patchstack_send_software_data', 'patchstack_send_hacker_logs', 'patchstack_send_visitor_logs', 'patchstack_send_event_logs', 'patchstack_reset_blocked_attacks', 'patchstack_post_firewall_rules', 'patchstack_post_firewall_htaccess_rules', 'patchstack_post_dynamic_firewall_rules', 'patchstack_update_license_status', 'patchstack_update_plugins', 'patchstack_send_ping', 'patchstack_check_env', 'puc_cron_check_updates-webarx' ]; | |
| 310 | - foreach ( $tasks as $task ) { | |
| 311 | - wp_clear_scheduled_hook( $task ); | |
| 312 | - } | |
| 313 | - | |
| 314 | - // Cleanup the .htaccess file. | |
| 315 | - $this->plugin->htaccess->cleanup_htaccess_file(); | |
| 316 | - $this->auto_prepend_removal(); | |
| 317 | - | |
| 318 | - // Remove the mu-plugin file if it exists. | |
| 319 | - foreach (['patchstack.php', '_patchstack.php'] as $file) { | |
| 320 | - if ( file_exists( WPMU_PLUGIN_DIR . '/' . $file )) { | |
| 321 | - wp_delete_file( WPMU_PLUGIN_DIR . '/' . $file ); | |
| 322 | - } | |
| 323 | - } | |
| 324 | - } | |
| 325 | - | |
| 326 | - /** | |
| 327 | - * Activate or deactivate a license on the current site. | |
| 328 | - * | |
| 329 | - * @param integer $id | |
| 330 | - * @param string $secret | |
| 331 | - * @param string $action | |
| 332 | - * @return array | |
| 333 | - */ | |
| 334 | - public function alter_license( $id, $secret, $action ) { | |
| 335 | - // Set default options in case they have not been set yet. | |
| 336 | - $this->plugin->admin_options->settings_init(); | |
| 337 | - | |
| 338 | - // Store current keys in tmp variable so in case it fails, we can set it back. | |
| 339 | - $tmp_id = get_option( 'patchstack_clientid' ); | |
| 340 | - $tmp_key = $this->get_secret_key(); | |
| 341 | - | |
| 342 | - // Set the new values. | |
| 343 | - update_option( 'patchstack_clientid', $id ); | |
| 344 | - $this->set_secret_key( $secret ); | |
| 345 | - | |
| 346 | - // Activate the license. | |
| 347 | - if ( $action == 'activate' ) { | |
| 348 | - $api_result = $this->plugin->api->get_access_token( $id, $secret, true ); | |
| 349 | - | |
| 350 | - // Valid result? | |
| 351 | - if ( ! $api_result ) { | |
| 352 | - update_option( 'patchstack_clientid', $tmp_id ); | |
| 353 | - $this->set_secret_key( $tmp_key ); | |
| 354 | - | |
| 355 | - return [ | |
| 356 | - 'result' => 'error', | |
| 357 | - 'body' => json_encode($this->plugin->api->message), | |
| 358 | - 'message' => 'Cannot activate license!', | |
| 359 | - ]; | |
| 360 | - } | |
| 361 | - | |
| 362 | - // Successfully activated. | |
| 363 | - update_option( 'patchstack_license_activated', '1', true ); | |
| 364 | - | |
| 365 | - // Update license status and fetch policy settings. | |
| 366 | - $fetchPolicy = (int) get_option( 'patchstack_last_license_check', 0 ) == 0; | |
| 367 | - $this->plugin->api->update_license_status( $fetchPolicy ); | |
| 368 | - | |
| 369 | - // Perform post-activation actions, incl. access token retrieval. | |
| 370 | - $token = $this->plugin->api->get_access_token(); | |
| 371 | - if ( ! empty( $token ) ) { | |
| 372 | - | |
| 373 | - // Immediately send software data to our server to set firewall as enabled. | |
| 374 | - // Also immediately download the whitelist file and the firewall rules. | |
| 375 | - do_action( 'patchstack_send_software_data' ); | |
| 376 | - if ( get_option( 'patchstack_license_free', 0 ) != 1 ) { | |
| 377 | - update_option( 'patchstack_basic_firewall', 1, true ); | |
| 378 | - do_action( 'patchstack_post_firewall_rules' ); | |
| 379 | - do_action( 'patchstack_post_dynamic_firewall_rules' ); | |
| 380 | - $this->header(); | |
| 381 | - } | |
| 382 | - | |
| 383 | - // Update firewall status, URL and ping API. | |
| 384 | - $this->plugin->api->update_firewall_status( [ 'status' => $this->get_option( 'patchstack_basic_firewall' ) == 1 ] ); | |
| 385 | - $this->plugin->api->update_url( [ 'plugin_url' => get_option( 'siteurl' ) ] ); | |
| 386 | - $this->auto_prepend_injection(); | |
| 387 | - } | |
| 388 | - | |
| 389 | - return [ | |
| 390 | - 'result' => 'success', | |
| 391 | - 'message' => 'License activated!', | |
| 392 | - ]; | |
| 393 | - } | |
| 394 | - | |
| 395 | - // Deactivate the license. | |
| 396 | - if ( $action == 'deactivate' ) { | |
| 397 | - update_option( 'patchstack_api_token', '' ); | |
| 398 | - update_option( 'patchstack_license_activated', '0' ); | |
| 399 | - update_option( 'patchstack_clientid', '' ); | |
| 400 | - update_option( 'patchstack_secretkey', '' ); | |
| 401 | - update_option( 'patchstack_secretkey_nonce', '' ); | |
| 402 | - | |
| 403 | - $this->auto_prepend_removal(); | |
| 404 | - | |
| 405 | - return [ | |
| 406 | - 'result' => 'success', | |
| 407 | - 'message' => 'License deactivated!', | |
| 408 | - ]; | |
| 409 | - } | |
| 410 | - } | |
| 411 | - | |
| 412 | - /** | |
| 413 | - * Send a request to our API for the IP address header. | |
| 414 | - * | |
| 415 | - * @return void | |
| 416 | - */ | |
| 417 | - public function header() | |
| 418 | - { | |
| 419 | - $header = get_option( 'patchstack_firewall_ip_header', '' ); | |
| 420 | - $computed = get_option( 'patchstack_ip_header_computed', 0 ); | |
| 421 | - $force = get_option( 'patchstack_ip_header_force_compute', 0 ); | |
| 422 | - | |
| 423 | - if ( ( $header == '' && ! $computed ) || $force ) { | |
| 424 | - // Create an OTT token. | |
| 425 | - $ott = md5( wp_generate_password( 32, true, true ) ); | |
| 426 | - update_option( 'patchstack_ott_action', $ott ); | |
| 427 | - | |
| 428 | - // Tell our API. | |
| 429 | - wp_remote_request( | |
| 430 | - $this->plugin->api_url . '/api/header', | |
| 431 | - [ | |
| 432 | - 'method' => 'POST', | |
| 433 | - 'timeout' => 60, | |
| 434 | - 'redirection' => 5, | |
| 435 | - 'httpversion' => '1.0', | |
| 436 | - 'blocking' => true, | |
| 437 | - 'headers' => [ | |
| 438 | - 'Source-Host' => get_site_url(), | |
| 439 | - ], | |
| 440 | - 'body' => [ | |
| 441 | - 'token' => $ott, | |
| 442 | - 'url' => get_site_url() | |
| 443 | - ], | |
| 444 | - 'cookies' => [], | |
| 445 | - ] | |
| 446 | - ); | |
| 447 | - } | |
| 448 | - } | |
| 449 | - | |
| 450 | - /** | |
| 451 | - * Create the environment needed for the auto prepend firewall functionality. | |
| 452 | - * 1. First we check if an auto_prepend_file already exists somewhere. | |
| 453 | - * 2. Then we write to the .htaccess file and check its status code. | |
| 454 | - * 3. Then we write to the .user.ini file and check its status code, .user.ini is optional if there are any errors with it. | |
| 455 | - * | |
| 456 | - * @param boolean $refresh | |
| 457 | - * @return boolean | |
| 458 | - */ | |
| 459 | - public function auto_prepend_injection($refresh = false) | |
| 460 | - { | |
| 461 | - // Determine if AP firewall is enabled. | |
| 462 | - if ( ! get_option( 'patchstack_firewall_ap_enabled', false ) ) { | |
| 463 | - return; | |
| 464 | - } | |
| 465 | - | |
| 466 | - // Determine if we received an error that hasn't been cleared yet. | |
| 467 | - if ( get_option( 'patchstack_firewall_ap_error', '' ) != '' ) { | |
| 468 | - return; | |
| 469 | - } | |
| 470 | - | |
| 471 | - // No need to display this error if the .htaccess functionality has been disabled. | |
| 472 | - if ( get_option( 'patchstack_disable_htaccess', 0 ) || ( defined( 'PS_DISABLE_HTACCESS' ) && PS_DISABLE_HTACCESS ) || ( defined( 'PS_DISABLE_MU' ) && PS_DISABLE_MU ) ) { | |
| 473 | - return; | |
| 474 | - } | |
| 475 | - | |
| 476 | - // Get filesystem. | |
| 477 | - global $wp_filesystem; | |
| 478 | - if ( ! $this->get_filesystem() ) { | |
| 479 | - update_option( 'patchstack_firewall_ap_error', 'Could not establish filesystem.' ); | |
| 480 | - return false; | |
| 481 | - } | |
| 482 | - | |
| 483 | - // First ensure a .htaccess file exists, otherwise no point. | |
| 484 | - $htaccess_file = ABSPATH . '.htaccess'; | |
| 485 | - if ( ! $wp_filesystem->exists( $htaccess_file ) && ! $wp_filesystem->touch( $htaccess_file ) ) { | |
| 486 | - update_option( 'patchstack_firewall_ap_error', 'The .htaccess file could be found nor created.' ); | |
| 487 | - return false; | |
| 488 | - } | |
| 489 | - | |
| 490 | - // Completely halt if there is already an auto_prepend_file present in .htaccess and not of Patchstack. | |
| 491 | - $htaccess_content = $wp_filesystem->get_contents( $htaccess_file ); | |
| 492 | - if ( stripos( $htaccess_content, 'auto_prepend_file' ) !== false && stripos( $htaccess_content, 'mu-plugin-ap.php' ) === false ) { | |
| 493 | - update_option( 'patchstack_firewall_ap_error', 'A different auto_prepend_file value is already present in the .htaccess file.' ); | |
| 494 | - return false; | |
| 495 | - } | |
| 496 | - | |
| 497 | - // Completely halt if there is already an auto_prepend_file present in .user.ini and not of Patchstack. | |
| 498 | - $user_ini = ini_get( 'user_ini.filename' ); | |
| 499 | - if ( $user_ini && $wp_filesystem->exists( ABSPATH . $user_ini ) ) { | |
| 500 | - $ini_content = $wp_filesystem->get_contents( ABSPATH . $user_ini ); | |
| 501 | - if ( stripos( $ini_content, 'auto_prepend_file' ) !== false && stripos( $ini_content, 'mu-plugin-ap.php' ) === false ) { | |
| 502 | - update_option( 'patchstack_firewall_ap_error', 'A different auto_prepend_file value is already present in the .user.ini file.' ); | |
| 503 | - return false; | |
| 504 | - } | |
| 505 | - } | |
| 506 | - | |
| 507 | - // Determine if we can write the /wp-content/pslogs/ folder. | |
| 508 | - $logs_dir = WP_CONTENT_DIR . '/pslogs/'; | |
| 509 | - if ( ! $wp_filesystem->exists( $logs_dir ) && ! $wp_filesystem->mkdir( $logs_dir ) ) { | |
| 510 | - update_option( 'patchstack_firewall_ap_error', 'The path ' . $logs_dir . ' could not be created.' ); | |
| 511 | - return false; | |
| 512 | - } | |
| 513 | - | |
| 514 | - // Create the blank index.php file. | |
| 515 | - if ( ! $wp_filesystem->exists( $logs_dir . 'index.php' ) && ! $wp_filesystem->put_contents( $logs_dir . 'index.php', '' ) ) { | |
| 516 | - update_option( 'patchstack_firewall_ap_error', 'The file ' . $logs_dir . 'index.php could not be created.' ); | |
| 517 | - return false; | |
| 518 | - } | |
| 519 | - | |
| 520 | - // Create the logs.php file. | |
| 521 | - if ( ! $wp_filesystem->exists( $logs_dir . 'logs.php' ) && ! $wp_filesystem->put_contents( $logs_dir . 'logs.php', '<?php exit; ?>' . PHP_EOL ) ) { | |
| 522 | - update_option( 'patchstack_firewall_ap_error', 'The file ' . $logs_dir . 'logs.php could not be created.' ); | |
| 523 | - return false; | |
| 524 | - } | |
| 525 | - | |
| 526 | - // Save current site id. | |
| 527 | - $current_id = get_current_blog_id(); | |
| 528 | - | |
| 529 | - // Pull data to save into the config.php file. | |
| 530 | - $sites = $this->get_sites(); | |
| 531 | - $data = []; | |
| 532 | - foreach ($sites as $site) { | |
| 533 | - $this->switch_to_blog( $site->id ); | |
| 534 | - $data[] = [ | |
| 535 | - 'site_id' => $site->id, | |
| 536 | - 'site_url' => preg_replace( '/^https?:\/\//i', '', $site->siteurl ), | |
| 537 | - 'home_url' => preg_replace( '/^https?:\/\//i', '', get_option( 'home' ) ), | |
| 538 | - 'patchstack_basic_firewall' => get_option( 'patchstack_basic_firewall', 1 ), | |
| 539 | - 'patchstack_license_activated' => get_option( 'patchstack_license_activated', 0 ), | |
| 540 | - 'patchstack_license_free' => get_option( 'patchstack_license_free', 0 ), | |
| 541 | - 'patchstack_firewall_ip_header' => get_option( 'patchstack_firewall_ip_header', '' ), | |
| 542 | - 'patchstack_firewall_rules_v3_ap' => base64_encode( get_option( 'patchstack_firewall_rules_v3_ap', '[]' ) ) | |
| 543 | - ]; | |
| 544 | - } | |
| 545 | - | |
| 546 | - // Switch back to current site. | |
| 547 | - $this->switch_to_blog( $current_id ); | |
| 548 | - | |
| 549 | - // Save into the config.php file. | |
| 550 | - if ( ! $wp_filesystem->put_contents( $logs_dir . 'config.php', '<?php return ' . var_export( $data, true ) . ';' ) ) { | |
| 551 | - update_option( 'patchstack_firewall_ap_error', 'The file ' . $logs_dir . 'config.php could not be created.' ); | |
| 552 | - return false; | |
| 553 | - } | |
| 554 | - | |
| 555 | - // In case we only want to refresh the auto prepend rules, we stop here. | |
| 556 | - if ( $refresh ) { | |
| 557 | - return true; | |
| 558 | - } | |
| 559 | - | |
| 560 | - // Prepare the rules to inject into .htaccess. | |
| 561 | - $prepend_rules = $this->get_auto_prepend_rules(); | |
| 562 | - if ( ! $prepend_rules ) { | |
| 563 | - return false; | |
| 564 | - } | |
| 565 | - | |
| 566 | - // Determine if the rules already exist and overwrite them in case of path change. | |
| 567 | - $original_htaccess = $htaccess_content; | |
| 568 | - $re = '/# BEGIN AP Patchstack.*?# END AP Patchstack/is'; | |
| 569 | - if ( preg_match( $re, $htaccess_content ) ) { | |
| 570 | - $htaccess_content = preg_replace( $re, rtrim($prepend_rules['htaccess']), $htaccess_content ); | |
| 571 | - } else { | |
| 572 | - $htaccess_content .= "\n" . $prepend_rules['htaccess']; | |
| 573 | - } | |
| 574 | - | |
| 575 | - // Attempt to write to the .htaccess file. | |
| 576 | - if ( ! $wp_filesystem->put_contents( $htaccess_file, $htaccess_content ) ) { | |
| 577 | - update_option( 'patchstack_firewall_ap_error', 'Could not inject into the .htaccess file.' ); | |
| 578 | - return false; | |
| 579 | - } | |
| 580 | - | |
| 581 | - // Determine if the site still works as expected with the injected htaccess rules. | |
| 582 | - if ( $this->get_site_status_code() >= 400 ) { | |
| 583 | - $wp_filesystem->put_contents( $htaccess_file, $original_htaccess ); | |
| 584 | - update_option( 'patchstack_firewall_ap_error', 'The .htaccess rules caused a fatal internal server error.' ); | |
| 585 | - return false; | |
| 586 | - } | |
| 587 | - | |
| 588 | - // Ensure a .user.ini is present. | |
| 589 | - $user_ini = ini_get( 'user_ini.filename' ); | |
| 590 | - if ( ! $user_ini ) { | |
| 591 | - update_option( 'patchstack_firewall_ap_error', '' ); | |
| 592 | - return true; | |
| 593 | - } | |
| 594 | - | |
| 595 | - // Define full path to the .user.ini file. | |
| 596 | - $user_ini = ABSPATH . $user_ini; | |
| 597 | - | |
| 598 | - // Create the file if it does not exist. | |
| 599 | - if ( ! $wp_filesystem->exists( $user_ini ) && ! $wp_filesystem->touch( $user_ini ) ) { | |
| 600 | - update_option( 'patchstack_firewall_ap_error', 'The .user.ini file could not be created.' ); | |
| 601 | - return true; | |
| 602 | - } | |
| 603 | - | |
| 604 | - // Get the contents of the current .user.ini file. | |
| 605 | - $ini_content = $wp_filesystem->get_contents( $user_ini ); | |
| 606 | - | |
| 607 | - // Determine if the rules already exist and overwrite them in case of path change. | |
| 608 | - $original_ini = $ini_content; | |
| 609 | - $re = '/; BEGIN AP Patchstack.*?; END AP Patchstack/is'; | |
| 610 | - if ( preg_match( $re, $ini_content ) ) { | |
| 611 | - $ini_content = preg_replace( $re, rtrim($prepend_rules['ini']), $ini_content ); | |
| 612 | - } else { | |
| 613 | - $ini_content .= "\n" . $prepend_rules['ini']; | |
| 614 | - } | |
| 615 | - | |
| 616 | - // Attempt to write to the .user.ini file. | |
| 617 | - if ( ! $wp_filesystem->put_contents( $user_ini, $ini_content ) ) { | |
| 618 | - update_option( 'patchstack_firewall_ap_error', 'Could not inject into the .user.ini file.' ); | |
| 619 | - return true; | |
| 620 | - } | |
| 621 | - | |
| 622 | - // Determine if the site still works as expected with the injected .user.ini rules. | |
| 623 | - if ( $this->get_site_status_code() == 500 ) { | |
| 624 | - $wp_filesystem->put_contents( $user_ini, $original_ini ); | |
| 625 | - update_option( 'patchstack_firewall_ap_error', 'The .user.ini rules caused a fatal internal server error.' ); | |
| 626 | - return false; | |
| 627 | - } | |
| 628 | - | |
| 629 | - update_option( 'patchstack_firewall_ap_error', '' ); | |
| 630 | - return true; | |
| 631 | - } | |
| 632 | - | |
| 633 | - /** | |
| 634 | - * Remove everything related to the auto prepend functionality. | |
| 635 | - * | |
| 636 | - * @return boolean | |
| 637 | - */ | |
| 638 | - public function auto_prepend_removal() | |
| 639 | - { | |
| 640 | - global $wp_filesystem; | |
| 641 | - $this->get_filesystem(); | |
| 642 | - | |
| 643 | - // Define our paths to access. | |
| 644 | - $logs_dir = WP_CONTENT_DIR . '/pslogs/'; | |
| 645 | - $htaccess_file = ABSPATH . '.htaccess'; | |
| 646 | - $ini_file = ABSPATH . '.user.ini'; | |
| 647 | - | |
| 648 | - // Remove the entire /pslogs/ directory. | |
| 649 | - if ( $wp_filesystem->is_dir( $logs_dir ) ) { | |
| 650 | - $wp_filesystem->delete( $logs_dir, true ); | |
| 651 | - } | |
| 652 | - | |
| 653 | - // Remove the .htaccess injected rules. | |
| 654 | - if ( $wp_filesystem->is_file( $htaccess_file ) ) { | |
| 655 | - $htaccess_content = $wp_filesystem->get_contents( $htaccess_file ); | |
| 656 | - $re = '/# BEGIN AP Patchstack.*?# END AP Patchstack/is'; | |
| 657 | - if ( preg_match( $re, $htaccess_content ) ) { | |
| 658 | - $htaccess_content = preg_replace( $re, '', $htaccess_content ); | |
| 659 | - $wp_filesystem->put_contents( $htaccess_file, $htaccess_content ); | |
| 660 | - } | |
| 661 | - } | |
| 662 | - | |
| 663 | - // Remove the .user.ini injected rules. | |
| 664 | - if ( $wp_filesystem->is_file( $ini_file ) ) { | |
| 665 | - $ini_content = $wp_filesystem->get_contents( $ini_file ); | |
| 666 | - $re = '/; BEGIN AP Patchstack.*?; END AP Patchstack/is'; | |
| 667 | - if ( preg_match( $re, $ini_content ) ) { | |
| 668 | - $ini_content = preg_replace( $re, '', $ini_content ); | |
| 669 | - $wp_filesystem->put_contents( $ini_file, $ini_content ); | |
| 670 | - } | |
| 671 | - } | |
| 672 | - } | |
| 673 | - | |
| 674 | - /** | |
| 675 | - * Attempt to establish the proper WP_FileSystem. | |
| 676 | - * | |
| 677 | - * @return boolean | |
| 678 | - */ | |
| 679 | - private function get_filesystem() | |
| 680 | - { | |
| 681 | - // Seems to be the only native way to obtain FTP credentials, if defined. | |
| 682 | - include_once( ABSPATH . 'wp-admin/includes/file.php' ); | |
| 683 | - ob_start(); | |
| 684 | - $creds = request_filesystem_credentials( admin_url( 'admin-ajax.php' ), '', false, ABSPATH, null, true ); | |
| 685 | - ob_end_clean(); | |
| 686 | - | |
| 687 | - // Returns false if no filesystem connection could be determined. | |
| 688 | - if ( $creds === false ) { | |
| 689 | - update_option( 'patchstack_firewall_ap_error', 'Unable to establish filesystem connection.' ); | |
| 690 | - return false; | |
| 691 | - } | |
| 692 | - | |
| 693 | - // Attempt to initialize it. | |
| 694 | - $fs = WP_Filesystem( $creds, ABSPATH, true ); | |
| 695 | - if ( ! $fs ) { | |
| 696 | - update_option( 'patchstack_firewall_ap_error', 'Unable to establish filesystem connection through acquired creds.' ); | |
| 697 | - return false; | |
| 698 | - } | |
| 699 | - | |
| 700 | - return true; | |
| 701 | - } | |
| 702 | - | |
| 703 | - /** | |
| 704 | - * Get sites as part of the environment. | |
| 705 | - * | |
| 706 | - * @return array | |
| 707 | - */ | |
| 708 | - private function get_sites() | |
| 709 | - { | |
| 710 | - if ( ! function_exists( 'get_sites' ) ) { | |
| 711 | - return [ | |
| 712 | - (object) [ | |
| 713 | - 'id' => 0, | |
| 714 | - 'siteurl' => get_site_url() | |
| 715 | - ] | |
| 716 | - ]; | |
| 717 | - } | |
| 718 | - | |
| 719 | - return get_sites(); | |
| 720 | - } | |
| 721 | - | |
| 722 | - /** | |
| 723 | - * Switch to a different site. | |
| 724 | - * | |
| 725 | - * @param integer $site_id | |
| 726 | - * @return void | |
| 727 | - */ | |
| 728 | - private function switch_to_blog($site_id) | |
| 729 | - { | |
| 730 | - if ( ! function_exists( 'switch_to_blog' ) ) { | |
| 731 | - return; | |
| 732 | - } | |
| 733 | - | |
| 734 | - switch_to_blog( $site_id ); | |
| 735 | - } | |
| 736 | - | |
| 737 | - /** | |
| 738 | - * Determine the web-server software and make sure we support it before we generate the .htaccess rules for it. | |
| 739 | - * | |
| 740 | - * @return array|boolean | |
| 741 | - */ | |
| 742 | - private function get_auto_prepend_rules() | |
| 743 | - { | |
| 744 | - // Establish location of the auto prepend file. | |
| 745 | - $mu_file = __DIR__ . '/mu-plugin-ap.php'; | |
| 746 | - if ( ! file_exists( $mu_file ) ) { | |
| 747 | - return false; | |
| 748 | - } | |
| 749 | - | |
| 750 | - // Ensure that the SERVER_SOFTWARE value is set. | |
| 751 | - $software = isset( $_SERVER['SERVER_SOFTWARE'] ) ? $_SERVER['SERVER_SOFTWARE'] : ''; | |
| 752 | - if ( ! $software ) { | |
| 753 | - update_option( 'patchstack_firewall_ap_error', 'Unsupported SERVER_SOFTWARE, found: ' . $software ); | |
| 754 | - return false; | |
| 755 | - } | |
| 756 | - | |
| 757 | - // At this time, reject non-Apache environments. | |
| 758 | - $sapi = function_exists( 'php_sapi_name' ) ? php_sapi_name() : false; | |
| 759 | - if ( ! $sapi || stripos( $_SERVER['SERVER_SOFTWARE'], 'litespeed' ) === false && $sapi != 'litespeed' && stripos($_SERVER['SERVER_SOFTWARE'], 'apache' ) === false) { | |
| 760 | - update_option( 'patchstack_firewall_ap_error', 'Unsupported SERVER_SOFTWARE, found: ' . $_SERVER['SERVER_SOFTWARE'] . ' and ' . $sapi ); | |
| 761 | - return false; | |
| 762 | - } | |
| 763 | - | |
| 764 | - // Seperate flag for LiteSpeed. | |
| 765 | - $is_litespeed = stripos( $_SERVER['SERVER_SOFTWARE'], 'litespeed' ) !== false || $sapi == 'litespeed'; | |
| 766 | - | |
| 767 | - // Attempt to find the Apache version, < 2.4 does not support <If>. | |
| 768 | - // This depends on ServerTokens value, so only stop execution if we can't find the specific unsupported versions. | |
| 769 | - $version = function_exists( 'apache_get_version' ) ? apache_get_version() : $software; | |
| 770 | - if ( ! $is_litespeed && stripos( $version, 'Apache/2.4' ) === false ) { | |
| 771 | - update_option( 'patchstack_firewall_ap_error', 'Unsupported SERVER_SOFTWARE, found: ' . $software ); | |
| 772 | - return false; | |
| 773 | - } | |
| 774 | - | |
| 775 | - // Add c-style slashes. | |
| 776 | - $mu_file_as = wp_normalize_path(addcslashes($mu_file, "'")); | |
| 777 | - | |
| 778 | - // Bit different rules for LiteSpeed. | |
| 779 | - if ( ! $is_litespeed ) { | |
| 780 | - $rules = "<IfModule mod_php.c> | |
| 781 | - php_value auto_prepend_file '" . $mu_file_as . "' | |
| 782 | - </IfModule> | |
| 783 | - <IfModule mod_php5.c> | |
| 784 | - php_value auto_prepend_file '" . $mu_file_as . "' | |
| 785 | - </IfModule> | |
| 786 | - <IfModule mod_php7.c> | |
| 787 | - php_value auto_prepend_file '" . $mu_file_as . "' | |
| 788 | - </IfModule>"; | |
| 789 | - } else { | |
| 790 | - $rules = "<IfModule LiteSpeed> | |
| 791 | - php_value auto_prepend_file '" . $mu_file_as . "' | |
| 792 | - </IfModule> | |
| 793 | - <IfModule lsapi_module> | |
| 794 | - php_value auto_prepend_file '" . $mu_file_as . "' | |
| 795 | - </IfModule>"; | |
| 796 | - } | |
| 797 | - | |
| 798 | - return [ | |
| 799 | - 'htaccess' => "# BEGIN AP Patchstack | |
| 800 | -<IfModule mod_authz_core.c> | |
| 801 | - <If \"-f '" . $mu_file_as . "'\"> | |
| 802 | - " . $rules . " | |
| 803 | - | |
| 804 | - <Files \".user.ini\"> | |
| 805 | - <IfModule mod_authz_core.c> | |
| 806 | - Require all denied | |
| 807 | - </IfModule> | |
| 808 | - <IfModule !mod_authz_core.c> | |
| 809 | - Order deny,allow | |
| 810 | - Deny from all | |
| 811 | - </IfModule> | |
| 812 | - </Files> | |
| 813 | - </If> | |
| 814 | -</IfModule> | |
| 815 | -# END AP Patchstack | |
| 816 | -", | |
| 817 | - 'ini' => "; BEGIN AP Patchstack | |
| 818 | -auto_prepend_file = '" . $mu_file_as . "' | |
| 819 | -; END AP Patchstack | |
| 820 | -" | |
| 821 | - ]; | |
| 822 | - } | |
| 823 | - | |
| 824 | - /** | |
| 825 | - * Retrieve the status code of the site. | |
| 826 | - * This is done to determine if the .htaccess rules do not trigger an error. | |
| 827 | - * | |
| 828 | - * @return integer | |
| 829 | - */ | |
| 830 | - public function get_site_status_code() { | |
| 831 | - $response = wp_remote_get( get_site_url() ); | |
| 832 | - $http_code = wp_remote_retrieve_response_code( $response ); | |
| 833 | - return $http_code; | |
| 834 | - } | |
| 835 | - | |
| 836 | - /** | |
| 837 | - * If option is updated, refresh AP config file. | |
| 838 | - * | |
| 839 | - * @param string $option_name | |
| 840 | - * @param string $option_name | |
| 841 | - * @param mixed $value | |
| 842 | - * @return void | |
| 843 | - */ | |
| 844 | - public function updated_option( $option_name, $old_value, $value ) { | |
| 845 | - // Only allow to run for our options. The IP header is embedded in the AP config | |
| 846 | - // file too, so a change there must also regenerate it. | |
| 847 | - if ( !in_array( $option_name, [ 'patchstack_basic_firewall', 'patchstack_license_free', 'patchstack_firewall_rules_v3_ap', 'patchstack_firewall_ip_header' ] ) ) { | |
| 848 | - return; | |
| 849 | - } | |
| 850 | - | |
| 851 | - // Not strict type matching. | |
| 852 | - if ( $old_value == $value ) { | |
| 853 | - return; | |
| 854 | - } | |
| 855 | - | |
| 856 | - $this->auto_prepend_injection(true); | |
| 857 | - } | |
| 858 | -} | |
| 1 | +<?php | |
| 2 | + | |
| 3 | +// Do not allow the file to be called directly. | |
| 4 | +if ( ! defined( 'ABSPATH' ) ) { | |
| 5 | + exit; | |
| 6 | +} | |
| 7 | + | |
| 8 | +/** | |
| 9 | + * This class is used to activate and deactivate the plugin. | |
| 10 | + * Additionally, we use it to run migrations. | |
| 11 | + */ | |
| 12 | +class P_Activation extends P_Core { | |
| 13 | + | |
| 14 | + /** | |
| 15 | + * Add the actions required for the activation. | |
| 16 | + * | |
| 17 | + * @param Patchstack $core | |
| 18 | + * @return void | |
| 19 | + */ | |
| 20 | + public function __construct( $core ) { | |
| 21 | + parent::__construct( $core ); | |
| 22 | + add_action( 'activated_plugin', array( $this, 'redirect_activation' ), 10, 2 ); | |
| 23 | + } | |
| 24 | + | |
| 25 | + /** | |
| 26 | + * Redirect the user to our settings page after plugin activation. | |
| 27 | + * | |
| 28 | + * @param string $plugin The plugin that is activated. | |
| 29 | + * @param boolean $network_activation If a network wide activation. (multisite) | |
| 30 | + * @return void | |
| 31 | + */ | |
| 32 | + public function redirect_activation( $plugin, $network_activation ) { | |
| 33 | + if ( defined( 'WP_CLI' ) && WP_CLI ) { | |
| 34 | + return; | |
| 35 | + } | |
| 36 | + | |
| 37 | + if ( $plugin == $this->plugin->basename ) { | |
| 38 | + | |
| 39 | + // In case of multisite, we want to redirect the user to a different page. | |
| 40 | + if ( $network_activation ) { | |
| 41 | + wp_safe_redirect( network_admin_url( 'admin.php?page=patchstack-multisite-settings&tab=multisite&activated=1' ) ); | |
| 42 | + } else { | |
| 43 | + wp_safe_redirect( admin_url( 'admin.php?page=' . $this->plugin->name . '&activated=1' ) ); | |
| 44 | + } | |
| 45 | + exit; | |
| 46 | + } | |
| 47 | + } | |
| 48 | + | |
| 49 | + /** | |
| 50 | + * Check if the plugin meets requirements and disable it if they are not present. | |
| 51 | + * | |
| 52 | + * @return boolean | |
| 53 | + */ | |
| 54 | + public function check_requirements() { | |
| 55 | + if ( $this->meets_requirements() ) { | |
| 56 | + return true; | |
| 57 | + } | |
| 58 | + | |
| 59 | + // Add a dashboard notice. | |
| 60 | + add_action( 'all_admin_notices', array( $this, 'requirements_not_met_notice' ) ); | |
| 61 | + return false; | |
| 62 | + } | |
| 63 | + | |
| 64 | + /** | |
| 65 | + * Check that all plugin requirements are met. | |
| 66 | + * | |
| 67 | + * @return boolean | |
| 68 | + */ | |
| 69 | + public function meets_requirements() { | |
| 70 | + // Check to see if we can access the API. | |
| 71 | + $response = wp_remote_request( | |
| 72 | + $this->plugin->api_url, | |
| 73 | + array( | |
| 74 | + 'method' => 'GET', | |
| 75 | + 'timeout' => 10, | |
| 76 | + 'redirection' => 5, | |
| 77 | + ) | |
| 78 | + ); | |
| 79 | + | |
| 80 | + // Check if we can access the API. | |
| 81 | + if ( is_wp_error( $response ) ) { | |
| 82 | + $this->activation_errors[] = 'We were unable to contact our API server. Please contact your host and ask them to make sure that outgoing connections to api.webarxsecurity.com and api.patchstack.com are not blocked.<br />Additional error message to give to your host: ' . $response->get_error_message(); | |
| 83 | + return false; | |
| 84 | + } | |
| 85 | + | |
| 86 | + // Do checks for required classes / functions or similar. | |
| 87 | + // Add detailed messages to $this->activation_errors array. | |
| 88 | + if ( version_compare( phpversion(), '5.3.0', '<' ) ) { | |
| 89 | + $this->activation_errors[] = 'Please update the PHP version on your host to at least 5.3.0. Ask your host if you do not know what this means.'; | |
| 90 | + return false; | |
| 91 | + } | |
| 92 | + | |
| 93 | + global $wp_version; | |
| 94 | + if ( version_compare( $wp_version, '4.3.0', '<' ) ) { | |
| 95 | + $this->activation_errors[] = 'Please upgrade your WordPress site to at least 4.3.0.'; | |
| 96 | + return false; | |
| 97 | + } | |
| 98 | + | |
| 99 | + return true; | |
| 100 | + } | |
| 101 | + | |
| 102 | + /** | |
| 103 | + * Adds a notice to the dashboard if the plugin requirements are not met. | |
| 104 | + * | |
| 105 | + * @return void | |
| 106 | + */ | |
| 107 | + public function requirements_not_met_notice() { | |
| 108 | + // Deactivate the plugin. | |
| 109 | + deactivate_plugins( $this->plugin->basename ); | |
| 110 | + | |
| 111 | + // Compile default message. | |
| 112 | + $default_message = __( 'Patchstack could not be activated due to a conflict. See below for information regarding the conflict.<br />', 'patchstack' ); | |
| 113 | + | |
| 114 | + // Print the errors on the screen. | |
| 115 | + echo wp_kses_post( $default_message ); | |
| 116 | + echo wp_kses_post( implode( '<br />', $this->activation_errors ) ); | |
| 117 | + } | |
| 118 | + | |
| 119 | + /** | |
| 120 | + * Activate the plugin. | |
| 121 | + * | |
| 122 | + * @param Patchstack $core | |
| 123 | + * @return void | |
| 124 | + */ | |
| 125 | + public function activate( $core ) { | |
| 126 | + // Bail early if requirements are not met. | |
| 127 | + if ( ! $this->check_requirements() ) { | |
| 128 | + $this->requirements_not_met_notice(); | |
| 129 | + exit; | |
| 130 | + } | |
| 131 | + | |
| 132 | + // Check if the webarx/webarx.php plugin is present, if so, remove it. | |
| 133 | + if ( is_dir( WP_PLUGIN_DIR . '/webarx' ) ) { | |
| 134 | + | |
| 135 | + // Migrate all current options to the new prefix. | |
| 136 | + global $wpdb; | |
| 137 | + $exists = $wpdb->get_var( "SELECT COUNT(*) FROM " . $wpdb->prefix . "options WHERE option_name = 'webarx_api_token'" ); | |
| 138 | + | |
| 139 | + // Move over the options. | |
| 140 | + if ( !is_null( $exists ) && $exists >= 1 ) { | |
| 141 | + $wpdb->query( 'INSERT IGNORE INTO ' . $wpdb->prefix . "options (option_name, option_value, autoload) SELECT REPLACE(option_name, 'webarx_', 'patchstack_') as option_name, option_value, autoload FROM " . $wpdb->prefix . "options WHERE option_name like 'webarx_%'" ); | |
| 142 | + $wpdb->query( 'UPDATE ' . $wpdb->prefix . 'options AS a SET option_value = (SELECT option_value FROM ' . $wpdb->prefix . "options WHERE option_name = REPLACE(a.option_name, 'patchstack_', 'webarx_')) WHERE option_name LIKE 'patchstack_%'" ); | |
| 143 | + } | |
| 144 | + | |
| 145 | + // Deactivate the plugin. | |
| 146 | + include_once ABSPATH . 'wp-admin/includes/plugin.php'; | |
| 147 | + deactivate_plugins( array( 'webarx/webarx.php' ) ); | |
| 148 | + update_option( 'patchstack_license_free', '0' ); | |
| 149 | + } | |
| 150 | + | |
| 151 | + // Make sure any rewrite functionality has been loaded. | |
| 152 | + $this->migrate(); | |
| 153 | + add_option( 'patchstack_first_activated', '1' ); | |
| 154 | + | |
| 155 | + // Activate the license. | |
| 156 | + if ( $this->plugin->client_id != 'PATCHSTACK_CLIENT_ID' && $this->plugin->private_key != 'PATCHSTACK_PRIVATE_KEY' ) { | |
| 157 | + $this->alter_license( $this->plugin->client_id, $this->plugin->private_key, 'activate' ); | |
| 158 | + } elseif ( get_option( 'patchstack_clientid', false ) != false && get_option( 'patchstack_secretkey', false ) != false ) { | |
| 159 | + $this->alter_license( get_option( 'patchstack_clientid' ), get_option( 'patchstack_secretkey' ), 'activate' ); | |
| 160 | + } else { | |
| 161 | + update_option( 'patchstack_license_free', '1' ); | |
| 162 | + } | |
| 163 | + | |
| 164 | + // Update firewall status after activating plugin | |
| 165 | + $api = new P_Api( $core ); | |
| 166 | + $token = $api->get_access_token(); | |
| 167 | + if ( ! empty( $token ) ) { | |
| 168 | + $api->update_firewall_status( array( 'status' => 1 ) ); | |
| 169 | + $api->update_url( array( 'plugin_url' => get_option( 'siteurl' ) ) ); | |
| 170 | + } | |
| 171 | + | |
| 172 | + // Immediately send software data to our server to set firewall as enabled. | |
| 173 | + // Also immediately download the whitelist file and the firewall rules. | |
| 174 | + do_action( 'patchstack_send_software_data' ); | |
| 175 | + if ( get_option( 'patchstack_license_free', 0 ) != 1 ) { | |
| 176 | + do_action( 'patchstack_post_firewall_rules' ); | |
| 177 | + do_action( 'patchstack_post_dynamic_firewall_rules' ); | |
| 178 | + } | |
| 179 | + | |
| 180 | + // One time actions should be placed here. | |
| 181 | + $this->plugin->hardening->delete_readme(); | |
| 182 | + } | |
| 183 | + | |
| 184 | + /** | |
| 185 | + * Used to activate an individual license on multisite/network. | |
| 186 | + * | |
| 187 | + * @param object $site | |
| 188 | + * @param array $license | |
| 189 | + * @return void | |
| 190 | + */ | |
| 191 | + public function activate_multisite_license( $site, $license ) { | |
| 192 | + // Build the Patchstack tables on the site. | |
| 193 | + $this->migrate( null, $site->id ); | |
| 194 | + | |
| 195 | + // Add the options to given site. | |
| 196 | + foreach ( $this->plugin->admin_options->options as $name => $value ) { | |
| 197 | + add_blog_option( $site->id, $name, $value ); | |
| 198 | + } | |
| 199 | + | |
| 200 | + // Set the client id and secret key. | |
| 201 | + update_blog_option( $site->id, 'patchstack_clientid', $license['id'] ); | |
| 202 | + update_blog_option( $site->id, 'patchstack_secretkey', $license['secret'] ); | |
| 203 | + $this->plugin->api->blog_id = $site->id; | |
| 204 | + | |
| 205 | + // Activate the license and update firewall status after activating the plugin. | |
| 206 | + $token = $this->plugin->api->get_access_token( $license['id'], $license['secret'], true ); | |
| 207 | + if ( ! empty( $token ) ) { | |
| 208 | + $this->plugin->api->update_firewall_status( array( 'status' => $this->get_option( 'patchstack_basic_firewall' ) == 1 ) ); | |
| 209 | + $this->plugin->api->update_url( array( 'plugin_url' => get_blog_option( $site->id, 'siteurl' ) ) ); | |
| 210 | + | |
| 211 | + // If we have an access token, tell our API that the firewall is activated | |
| 212 | + // and the current URL of the site. | |
| 213 | + update_blog_option( $site->id, 'patchstack_license_activated', '1' ); | |
| 214 | + $this->plugin->api->update_license_status(); | |
| 215 | + | |
| 216 | + // This will trigger the software synchronization action. | |
| 217 | + wp_remote_get( get_site_url( $site->id ), array( 'sslverify' => false ) ); | |
| 218 | + } | |
| 219 | + | |
| 220 | + // Make sure to switch back to the current blog id. | |
| 221 | + $this->plugin->api->blog_id = get_current_blog_id(); | |
| 222 | + } | |
| 223 | + | |
| 224 | + /** | |
| 225 | + * Build the required Patchstack tables. | |
| 226 | + * | |
| 227 | + * @param null|string $ver The version to upgrade to. | |
| 228 | + * @param null|integer $site_id The blog id to perform the upgrades on. | |
| 229 | + * @return void | |
| 230 | + */ | |
| 231 | + public function migrate( $ver = null, $site_id = null ) { | |
| 232 | + global $wpdb; | |
| 233 | + require_once ABSPATH . 'wp-admin/includes/upgrade.php'; | |
| 234 | + $charset_collate = $wpdb->get_charset_collate(); | |
| 235 | + $prefix = $site_id != null ? $wpdb->get_blog_prefix( $site_id ) : $wpdb->prefix; | |
| 236 | + | |
| 237 | + // The following conditions will only execute if Patchstack is installed because of an update | |
| 238 | + // and if we need to perform migrations. | |
| 239 | + if ( $ver !== null && file_exists( dirname( __FILE__ ) . '/migrations/v' . str_replace( '.', '', $ver ) . '.php' ) ) { | |
| 240 | + require_once dirname( __FILE__ ) . '/migrations/v' . str_replace( '.', '', $ver ) . '.php'; | |
| 241 | + return; | |
| 242 | + } | |
| 243 | + | |
| 244 | + // Require the base migration. | |
| 245 | + require_once dirname( __FILE__ ) . '/migrations/base.php'; | |
| 246 | + } | |
| 247 | + | |
| 248 | + /** | |
| 249 | + * Check if the database version of the plugin is running behind. | |
| 250 | + * If so, run the migrations up until the latest version. | |
| 251 | + * | |
| 252 | + * @return void | |
| 253 | + */ | |
| 254 | + public function migrate_check() { | |
| 255 | + // Only perform migrations if we have any to execute. | |
| 256 | + $versions = array('3.0.0', '3.0.1'); | |
| 257 | + if ( count( $versions ) == 0 ) { | |
| 258 | + return; | |
| 259 | + } | |
| 260 | + | |
| 261 | + // Get current database version and run the migrations. | |
| 262 | + $db_version = get_option( 'patchstack_db_version', false ); | |
| 263 | + foreach ( $versions as $version ) { | |
| 264 | + if ( version_compare( $db_version, $version, '<' ) ) { | |
| 265 | + $this->migrate( $version ); | |
| 266 | + } | |
| 267 | + } | |
| 268 | + } | |
| 269 | + | |
| 270 | + /** | |
| 271 | + * Perform cleanup when the plugin is deactivated. | |
| 272 | + * | |
| 273 | + * @return void | |
| 274 | + */ | |
| 275 | + public function deactivate() { | |
| 276 | + // Update firewall status after de-activating plugin | |
| 277 | + $api = new P_Api( $this ); | |
| 278 | + $token = $api->get_access_token(); | |
| 279 | + if ( ! empty( $token ) ) { | |
| 280 | + $api->update_firewall_status( array( 'status' => 0 ) ); | |
| 281 | + } | |
| 282 | + | |
| 283 | + // Clear all Patchstack scheduled tasks. | |
| 284 | + $tasks = array( 'patchstack_zip_backup', 'patchstack_send_software_data', 'patchstack_send_hacker_logs', 'patchstack_send_visitor_logs', 'patchstack_send_event_logs', 'patchstack_reset_blocked_attacks', 'patchstack_post_firewall_rules', 'patchstack_post_firewall_htaccess_rules', 'patchstack_post_dynamic_firewall_rules', 'patchstack_update_license_status', 'patchstack_update_plugins', 'patchstack_send_ping', 'puc_cron_check_updates-webarx' ); | |
| 285 | + foreach ( $tasks as $task ) { | |
| 286 | + wp_clear_scheduled_hook( $task ); | |
| 287 | + } | |
| 288 | + | |
| 289 | + // Cleanup the .htaccess file. | |
| 290 | + $this->plugin->htaccess->cleanup_htaccess_file(); | |
| 291 | + } | |
| 292 | + | |
| 293 | + /** | |
| 294 | + * Activate or deactivate a license on the current site. | |
| 295 | + * | |
| 296 | + * @param integer $id | |
| 297 | + * @param string $secret | |
| 298 | + * @param string $action | |
| 299 | + * @return array | |
| 300 | + */ | |
| 301 | + public function alter_license( $id, $secret, $action ) { | |
| 302 | + // Store current keys in tmp variable so in case it fails, we can set it back. | |
| 303 | + $tmp_id = get_option( 'patchstack_clientid' ); | |
| 304 | + $tmp_key = get_option( 'patchstack_secretkey' ); | |
| 305 | + update_option( 'patchstack_clientid', $id ); | |
| 306 | + update_option( 'patchstack_secretkey', $secret ); | |
| 307 | + | |
| 308 | + // Activate the license. | |
| 309 | + if ( $action == 'activate' ) { | |
| 310 | + $api_result = $this->plugin->api->get_access_token( $id, $secret, true ); | |
| 311 | + | |
| 312 | + // Valid result? | |
| 313 | + if ( ! $api_result ) { | |
| 314 | + update_option( 'patchstack_clientid', $tmp_id ); | |
| 315 | + update_option( 'patchstack_secretkey', $tmp_key ); | |
| 316 | + return array( | |
| 317 | + 'result' => 'error', | |
| 318 | + 'message' => 'Cannot activate license!', | |
| 319 | + ); | |
| 320 | + } | |
| 321 | + | |
| 322 | + // If we have an access token, tell our API that the firewall is activated | |
| 323 | + // and the current URL of the site. | |
| 324 | + update_option( 'patchstack_license_activated', '1' ); | |
| 325 | + $this->plugin->api->update_license_status(); | |
| 326 | + $token = $this->plugin->api->get_access_token(); | |
| 327 | + if ( ! empty( $token ) ) { | |
| 328 | + do_action( 'patchstack_send_software_data' ); | |
| 329 | + if ( get_option( 'patchstack_license_free', 0 ) != 1 ) { | |
| 330 | + do_action( 'patchstack_post_firewall_rules' ); | |
| 331 | + do_action( 'patchstack_post_dynamic_firewall_rules' ); | |
| 332 | + } | |
| 333 | + | |
| 334 | + $this->plugin->api->update_firewall_status( array( 'status' => $this->get_option( 'patchstack_basic_firewall' ) == 1 ) ); | |
| 335 | + $this->plugin->api->update_url( array( 'plugin_url' => get_option( 'siteurl' ) ) ); | |
| 336 | + } | |
| 337 | + return array( | |
| 338 | + 'result' => 'success', | |
| 339 | + 'message' => 'License activated!', | |
| 340 | + ); | |
| 341 | + } | |
| 342 | + | |
| 343 | + // Deactivate the license. | |
| 344 | + if ( $action == 'deactivate' ) { | |
| 345 | + update_option( 'patchstack_api_token', '' ); | |
| 346 | + update_option( 'patchstack_license_activated', '0' ); | |
| 347 | + return array( | |
| 348 | + 'result' => 'success', | |
| 349 | + 'message' => 'License deactivated!', | |
| 350 | + ); | |
| 351 | + } | |
| 352 | + } | |
| 353 | +} | |
