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1 <?php 2 /** 3 * A File upgrader class for WordPress. 4 * 5 * This set of classes are designed to be used to upgrade/install a local set of files on the filesystem via the Filesystem Abstraction classes. 6 * 7 * @link http://trac.wordpress.org/ticket/7875 consolidate plugin/theme/core upgrade/install functions 8 * 9 * @package WordPress 10 * @subpackage Upgrader 11 * @since 2.8.0 12 */ 13 14 require ABSPATH . 'wp-admin/includes/class-wp-upgrader-skins.php'; 15 16 /** 17 * WordPress Upgrader class for Upgrading/Installing a local set of files via the Filesystem Abstraction classes from a Zip file. 18 * 19 * @package WordPress 20 * @subpackage Upgrader 21 * @since 2.8.0 22 */ 23 class WP_Upgrader { 24 var $strings = array(); 25 var $skin = null; 26 var $result = array(); 27 28 function __construct($skin = null) { 29 if ( null == $skin ) 30 $this->skin = new WP_Upgrader_Skin(); 31 else 32 $this->skin = $skin; 33 } 34 35 function init() { 36 $this->skin->set_upgrader($this); 37 $this->generic_strings(); 38 } 39 40 function generic_strings() { 41 $this->strings['bad_request'] = __('Invalid Data provided.'); 42 $this->strings['fs_unavailable'] = __('Could not access filesystem.'); 43 $this->strings['fs_error'] = __('Filesystem error.'); 44 $this->strings['fs_no_root_dir'] = __('Unable to locate WordPress Root directory.'); 45 $this->strings['fs_no_content_dir'] = __('Unable to locate WordPress Content directory (wp-content).'); 46 $this->strings['fs_no_plugins_dir'] = __('Unable to locate WordPress Plugin directory.'); 47 $this->strings['fs_no_themes_dir'] = __('Unable to locate WordPress Theme directory.'); 48 /* translators: %s: directory name */ 49 $this->strings['fs_no_folder'] = __('Unable to locate needed folder (%s).'); 50 51 $this->strings['download_failed'] = __('Download failed.'); 52 $this->strings['installing_package'] = __('Installing the latest version…'); 53 $this->strings['no_files'] = __('The package contains no files.'); 54 $this->strings['folder_exists'] = __('Destination folder already exists.'); 55 $this->strings['mkdir_failed'] = __('Could not create directory.'); 56 $this->strings['incompatible_archive'] = __('The package could not be installed.'); 57 58 $this->strings['maintenance_start'] = __('Enabling Maintenance mode…'); 59 $this->strings['maintenance_end'] = __('Disabling Maintenance mode…'); 60 } 61 62 function fs_connect( $directories = array() ) { 63 global $wp_filesystem; 64 65 if ( false === ($credentials = $this->skin->request_filesystem_credentials()) ) 66 return false; 67 68 if ( ! WP_Filesystem($credentials) ) { 69 $error = true; 70 if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() ) 71 $error = $wp_filesystem->errors; 72 $this->skin->request_filesystem_credentials($error); //Failed to connect, Error and request again 73 return false; 74 } 75 76 if ( ! is_object($wp_filesystem) ) 77 return new WP_Error('fs_unavailable', $this->strings['fs_unavailable'] ); 78 79 if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() ) 80 return new WP_Error('fs_error', $this->strings['fs_error'], $wp_filesystem->errors); 81 82 foreach ( (array)$directories as $dir ) { 83 switch ( $dir ) { 84 case ABSPATH: 85 if ( ! $wp_filesystem->abspath() ) 86 return new WP_Error('fs_no_root_dir', $this->strings['fs_no_root_dir']); 87 break; 88 case WP_CONTENT_DIR: 89 if ( ! $wp_filesystem->wp_content_dir() ) 90 return new WP_Error('fs_no_content_dir', $this->strings['fs_no_content_dir']); 91 break; 92 case WP_PLUGIN_DIR: 93 if ( ! $wp_filesystem->wp_plugins_dir() ) 94 return new WP_Error('fs_no_plugins_dir', $this->strings['fs_no_plugins_dir']); 95 break; 96 case get_theme_root(): 97 if ( ! $wp_filesystem->wp_themes_dir() ) 98 return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']); 99 break; 100 default: 101 if ( ! $wp_filesystem->find_folder($dir) ) 102 return new WP_Error( 'fs_no_folder', sprintf( $this->strings['fs_no_folder'], esc_html( basename( $dir ) ) ) ); 103 break; 104 } 105 } 106 return true; 107 } //end fs_connect(); 108 109 function download_package($package) { 110 111 /** 112 * Filter whether to return the package. 113 * 114 * @since 3.7.0 115 * 116 * @param bool $reply Whether to bail without returning the package. Default is false. 117 * @param string $package The package file name. 118 * @param object $this The WP_Upgrader instance. 119 */ 120 $reply = apply_filters( 'upgrader_pre_download', false, $package, $this ); 121 if ( false !== $reply ) 122 return $reply; 123 124 if ( ! preg_match('!^(http|https|ftp)://!i', $package) && file_exists($package) ) //Local file or remote? 125 return $package; //must be a local file.. 126 127 if ( empty($package) ) 128 return new WP_Error('no_package', $this->strings['no_package']); 129 130 $this->skin->feedback('downloading_package', $package); 131 132 $download_file = download_url($package); 133 134 if ( is_wp_error($download_file) ) 135 return new WP_Error('download_failed', $this->strings['download_failed'], $download_file->get_error_message()); 136 137 return $download_file; 138 } 139 140 function unpack_package($package, $delete_package = true) { 141 global $wp_filesystem; 142 143 $this->skin->feedback('unpack_package'); 144 145 $upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/'; 146 147 //Clean up contents of upgrade directory beforehand. 148 $upgrade_files = $wp_filesystem->dirlist($upgrade_folder); 149 if ( !empty($upgrade_files) ) { 150 foreach ( $upgrade_files as $file ) 151 $wp_filesystem->delete($upgrade_folder . $file['name'], true); 152 } 153 154 //We need a working directory 155 $working_dir = $upgrade_folder . basename($package, '.zip'); 156 157 // Clean up working directory 158 if ( $wp_filesystem->is_dir($working_dir) ) 159 $wp_filesystem->delete($working_dir, true); 160 161 // Unzip package to working directory 162 $result = unzip_file( $package, $working_dir ); 163 164 // Once extracted, delete the package if required. 165 if ( $delete_package ) 166 unlink($package); 167 168 if ( is_wp_error($result) ) { 169 $wp_filesystem->delete($working_dir, true); 170 if ( 'incompatible_archive' == $result->get_error_code() ) { 171 return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() ); 172 } 173 return $result; 174 } 175 176 return $working_dir; 177 } 178 179 function install_package( $args = array() ) { 180 global $wp_filesystem, $wp_theme_directories; 181 182 $defaults = array( 183 'source' => '', // Please always pass this 184 'destination' => '', // and this 185 'clear_destination' => false, 186 'clear_working' => false, 187 'abort_if_destination_exists' => true, 188 'hook_extra' => array() 189 ); 190 191 $args = wp_parse_args($args, $defaults); 192 extract($args); 193 194 @set_time_limit( 300 ); 195 196 if ( empty($source) || empty($destination) ) 197 return new WP_Error('bad_request', $this->strings['bad_request']); 198 199 $this->skin->feedback('installing_package'); 200 201 $res = apply_filters('upgrader_pre_install', true, $hook_extra); 202 if ( is_wp_error($res) ) 203 return $res; 204 205 //Retain the Original source and destinations 206 $remote_source = $source; 207 $local_destination = $destination; 208 209 $source_files = array_keys( $wp_filesystem->dirlist($remote_source) ); 210 $remote_destination = $wp_filesystem->find_folder($local_destination); 211 212 //Locate which directory to copy to the new folder, This is based on the actual folder holding the files. 213 if ( 1 == count($source_files) && $wp_filesystem->is_dir( trailingslashit($source) . $source_files[0] . '/') ) //Only one folder? Then we want its contents. 214 $source = trailingslashit($source) . trailingslashit($source_files[0]); 215 elseif ( count($source_files) == 0 ) 216 return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] ); // There are no files? 217 else //It's only a single file, the upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename. 218 $source = trailingslashit($source); 219 220 //Hook ability to change the source file location.. 221 $source = apply_filters('upgrader_source_selection', $source, $remote_source, $this); 222 if ( is_wp_error($source) ) 223 return $source; 224 225 //Has the source location changed? If so, we need a new source_files list. 226 if ( $source !== $remote_source ) 227 $source_files = array_keys( $wp_filesystem->dirlist($source) ); 228 229 // Protection against deleting files in any important base directories. 230 // Theme_Upgrader & Plugin_Upgrader also trigger this, as they pass the destination directory (WP_PLUGIN_DIR / wp-content/themes) 231 // intending to copy the directory into the directory, whilst they pass the source as the actual files to copy. 232 $protected_directories = array( ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes' ); 233 if ( is_array( $wp_theme_directories ) ) 234 $protected_directories = array_merge( $protected_directories, $wp_theme_directories ); 235 if ( in_array( $destination, $protected_directories ) ) { 236 $remote_destination = trailingslashit($remote_destination) . trailingslashit(basename($source)); 237 $destination = trailingslashit($destination) . trailingslashit(basename($source)); 238 } 239 240 if ( $clear_destination ) { 241 //We're going to clear the destination if there's something there 242 $this->skin->feedback('remove_old'); 243 $removed = true; 244 if ( $wp_filesystem->exists($remote_destination) ) 245 $removed = $wp_filesystem->delete($remote_destination, true); 246 $removed = apply_filters('upgrader_clear_destination', $removed, $local_destination, $remote_destination, $hook_extra); 247 248 if ( is_wp_error($removed) ) 249 return $removed; 250 else if ( ! $removed ) 251 return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']); 252 } elseif ( $abort_if_destination_exists && $wp_filesystem->exists($remote_destination) ) { 253 //If we're not clearing the destination folder and something exists there already, Bail. 254 //But first check to see if there are actually any files in the folder. 255 $_files = $wp_filesystem->dirlist($remote_destination); 256 if ( ! empty($_files) ) { 257 $wp_filesystem->delete($remote_source, true); //Clear out the source files. 258 return new WP_Error('folder_exists', $this->strings['folder_exists'], $remote_destination ); 259 } 260 } 261 262 //Create destination if needed 263 if ( !$wp_filesystem->exists($remote_destination) ) 264 if ( !$wp_filesystem->mkdir($remote_destination, FS_CHMOD_DIR) ) 265 return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination ); 266 267 // Copy new version of item into place. 268 $result = copy_dir($source, $remote_destination); 269 if ( is_wp_error($result) ) { 270 if ( $clear_working ) 271 $wp_filesystem->delete($remote_source, true); 272 return $result; 273 } 274 275 //Clear the Working folder? 276 if ( $clear_working ) 277 $wp_filesystem->delete($remote_source, true); 278 279 $destination_name = basename( str_replace($local_destination, '', $destination) ); 280 if ( '.' == $destination_name ) 281 $destination_name = ''; 282 283 $this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir'); 284 285 $res = apply_filters('upgrader_post_install', true, $hook_extra, $this->result); 286 if ( is_wp_error($res) ) { 287 $this->result = $res; 288 return $res; 289 } 290 291 //Bombard the calling function will all the info which we've just used. 292 return $this->result; 293 } 294 295 function run($options) { 296 297 $defaults = array( 298 'package' => '', // Please always pass this. 299 'destination' => '', // And this 300 'clear_destination' => false, 301 'abort_if_destination_exists' => true, // Abort if the Destination directory exists, Pass clear_destination as false please 302 'clear_working' => true, 303 'is_multi' => false, 304 'hook_extra' => array() // Pass any extra $hook_extra args here, this will be passed to any hooked filters. 305 ); 306 307 $options = wp_parse_args($options, $defaults); 308 extract($options); 309 310 if ( ! $is_multi ) // call $this->header separately if running multiple times 311 $this->skin->header(); 312 313 // Connect to the Filesystem first. 314 $res = $this->fs_connect( array(WP_CONTENT_DIR, $destination) ); 315 // Mainly for non-connected filesystem. 316 if ( ! $res ) { 317 if ( ! $is_multi ) 318 $this->skin->footer(); 319 return false; 320 } 321 322 $this->skin->before(); 323 324 if ( is_wp_error($res) ) { 325 $this->skin->error($res); 326 $this->skin->after(); 327 if ( ! $is_multi ) 328 $this->skin->footer(); 329 return $res; 330 } 331 332 //Download the package (Note, This just returns the filename of the file if the package is a local file) 333 $download = $this->download_package( $package ); 334 if ( is_wp_error($download) ) { 335 $this->skin->error($download); 336 $this->skin->after(); 337 if ( ! $is_multi ) 338 $this->skin->footer(); 339 return $download; 340 } 341 342 $delete_package = ($download != $package); // Do not delete a "local" file 343 344 //Unzips the file into a temporary directory 345 $working_dir = $this->unpack_package( $download, $delete_package ); 346 if ( is_wp_error($working_dir) ) { 347 $this->skin->error($working_dir); 348 $this->skin->after(); 349 if ( ! $is_multi ) 350 $this->skin->footer(); 351 return $working_dir; 352 } 353 354 //With the given options, this installs it to the destination directory. 355 $result = $this->install_package( array( 356 'source' => $working_dir, 357 'destination' => $destination, 358 'clear_destination' => $clear_destination, 359 'abort_if_destination_exists' => $abort_if_destination_exists, 360 'clear_working' => $clear_working, 361 'hook_extra' => $hook_extra 362 ) ); 363 364 $this->skin->set_result($result); 365 if ( is_wp_error($result) ) { 366 $this->skin->error($result); 367 $this->skin->feedback('process_failed'); 368 } else { 369 //Install Succeeded 370 $this->skin->feedback('process_success'); 371 } 372 373 $this->skin->after(); 374 375 if ( ! $is_multi ) { 376 do_action( 'upgrader_process_complete', $this, $hook_extra ); 377 $this->skin->footer(); 378 } 379 380 return $result; 381 } 382 383 function maintenance_mode($enable = false) { 384 global $wp_filesystem; 385 $file = $wp_filesystem->abspath() . '.maintenance'; 386 if ( $enable ) { 387 $this->skin->feedback('maintenance_start'); 388 // Create maintenance file to signal that we are upgrading 389 $maintenance_string = '<?php $upgrading = ' . time() . '; ?>'; 390 $wp_filesystem->delete($file); 391 $wp_filesystem->put_contents($file, $maintenance_string, FS_CHMOD_FILE); 392 } else if ( !$enable && $wp_filesystem->exists($file) ) { 393 $this->skin->feedback('maintenance_end'); 394 $wp_filesystem->delete($file); 395 } 396 } 397 398 } 399 400 /** 401 * Plugin Upgrader class for WordPress Plugins, It is designed to upgrade/install plugins from a local zip, remote zip URL, or uploaded zip file. 402 * 403 * @package WordPress 404 * @subpackage Upgrader 405 * @since 2.8.0 406 */ 407 class Plugin_Upgrader extends WP_Upgrader { 408 409 var $result; 410 var $bulk = false; 411 412 function upgrade_strings() { 413 $this->strings['up_to_date'] = __('The plugin is at the latest version.'); 414 $this->strings['no_package'] = __('Update package not available.'); 415 $this->strings['downloading_package'] = __('Downloading update from <span class="code">%s</span>…'); 416 $this->strings['unpack_package'] = __('Unpacking the update…'); 417 $this->strings['remove_old'] = __('Removing the old version of the plugin…'); 418 $this->strings['remove_old_failed'] = __('Could not remove the old plugin.'); 419 $this->strings['process_failed'] = __('Plugin update failed.'); 420 $this->strings['process_success'] = __('Plugin updated successfully.'); 421 } 422 423 function install_strings() { 424 $this->strings['no_package'] = __('Install package not available.'); 425 $this->strings['downloading_package'] = __('Downloading install package from <span class="code">%s</span>…'); 426 $this->strings['unpack_package'] = __('Unpacking the package…'); 427 $this->strings['installing_package'] = __('Installing the plugin…'); 428 $this->strings['no_files'] = __('The plugin contains no files.'); 429 $this->strings['process_failed'] = __('Plugin install failed.'); 430 $this->strings['process_success'] = __('Plugin installed successfully.'); 431 } 432 433 function install( $package, $args = array() ) { 434 435 $defaults = array( 436 'clear_update_cache' => true, 437 ); 438 $parsed_args = wp_parse_args( $args, $defaults ); 439 440 $this->init(); 441 $this->install_strings(); 442 443 add_filter('upgrader_source_selection', array($this, 'check_package') ); 444 445 $this->run( array( 446 'package' => $package, 447 'destination' => WP_PLUGIN_DIR, 448 'clear_destination' => false, // Do not overwrite files. 449 'clear_working' => true, 450 'hook_extra' => array( 451 'type' => 'plugin', 452 'action' => 'install', 453 ) 454 ) ); 455 456 remove_filter('upgrader_source_selection', array($this, 'check_package') ); 457 458 if ( ! $this->result || is_wp_error($this->result) ) 459 return $this->result; 460 461 // Force refresh of plugin update information 462 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); 463 464 return true; 465 } 466 467 function upgrade( $plugin, $args = array() ) { 468 469 $defaults = array( 470 'clear_update_cache' => true, 471 ); 472 $parsed_args = wp_parse_args( $args, $defaults ); 473 474 $this->init(); 475 $this->upgrade_strings(); 476 477 $current = get_site_transient( 'update_plugins' ); 478 if ( !isset( $current->response[ $plugin ] ) ) { 479 $this->skin->before(); 480 $this->skin->set_result(false); 481 $this->skin->error('up_to_date'); 482 $this->skin->after(); 483 return false; 484 } 485 486 // Get the URL to the zip file 487 $r = $current->response[ $plugin ]; 488 489 add_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'), 10, 2); 490 add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4); 491 //'source_selection' => array($this, 'source_selection'), //there's a trac ticket to move up the directory for zip's which are made a bit differently, useful for non-.org plugins. 492 493 $this->run( array( 494 'package' => $r->package, 495 'destination' => WP_PLUGIN_DIR, 496 'clear_destination' => true, 497 'clear_working' => true, 498 'hook_extra' => array( 499 'plugin' => $plugin, 500 'type' => 'plugin', 501 'action' => 'update', 502 ), 503 ) ); 504 505 // Cleanup our hooks, in case something else does a upgrade on this connection. 506 remove_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade')); 507 remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin')); 508 509 if ( ! $this->result || is_wp_error($this->result) ) 510 return $this->result; 511 512 // Force refresh of plugin update information 513 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); 514 515 return true; 516 } 517 518 function bulk_upgrade( $plugins, $args = array() ) { 519 520 $defaults = array( 521 'clear_update_cache' => true, 522 ); 523 $parsed_args = wp_parse_args( $args, $defaults ); 524 525 $this->init(); 526 $this->bulk = true; 527 $this->upgrade_strings(); 528 529 $current = get_site_transient( 'update_plugins' ); 530 531 add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4); 532 533 $this->skin->header(); 534 535 // Connect to the Filesystem first. 536 $res = $this->fs_connect( array(WP_CONTENT_DIR, WP_PLUGIN_DIR) ); 537 if ( ! $res ) { 538 $this->skin->footer(); 539 return false; 540 } 541 542 $this->skin->bulk_header(); 543 544 // Only start maintenance mode if: 545 // - running Multisite and there are one or more plugins specified, OR 546 // - a plugin with an update available is currently active. 547 // @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible. 548 $maintenance = ( is_multisite() && ! empty( $plugins ) ); 549 foreach ( $plugins as $plugin ) 550 $maintenance = $maintenance || ( is_plugin_active( $plugin ) && isset( $current->response[ $plugin] ) ); 551 if ( $maintenance ) 552 $this->maintenance_mode(true); 553 554 $results = array(); 555 556 $this->update_count = count($plugins); 557 $this->update_current = 0; 558 foreach ( $plugins as $plugin ) { 559 $this->update_current++; 560 $this->skin->plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin, false, true); 561 562 if ( !isset( $current->response[ $plugin ] ) ) { 563 $this->skin->set_result(true); 564 $this->skin->before(); 565 $this->skin->feedback('up_to_date'); 566 $this->skin->after(); 567 $results[$plugin] = true; 568 continue; 569 } 570 571 // Get the URL to the zip file 572 $r = $current->response[ $plugin ]; 573 574 $this->skin->plugin_active = is_plugin_active($plugin); 575 576 $result = $this->run( array( 577 'package' => $r->package, 578 'destination' => WP_PLUGIN_DIR, 579 'clear_destination' => true, 580 'clear_working' => true, 581 'is_multi' => true, 582 'hook_extra' => array( 583 'plugin' => $plugin 584 ) 585 ) ); 586 587 $results[$plugin] = $this->result; 588 589 // Prevent credentials auth screen from displaying multiple times 590 if ( false === $result ) 591 break; 592 } //end foreach $plugins 593 594 $this->maintenance_mode(false); 595 596 do_action( 'upgrader_process_complete', $this, array( 597 'action' => 'update', 598 'type' => 'plugin', 599 'bulk' => true, 600 'plugins' => $plugins, 601 ) ); 602 603 $this->skin->bulk_footer(); 604 605 $this->skin->footer(); 606 607 // Cleanup our hooks, in case something else does a upgrade on this connection. 608 remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin')); 609 610 // Force refresh of plugin update information 611 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); 612 613 return $results; 614 } 615 616 function check_package($source) { 617 global $wp_filesystem; 618 619 if ( is_wp_error($source) ) 620 return $source; 621 622 $working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source); 623 if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, lets not prevent installation. 624 return $source; 625 626 // Check the folder contains at least 1 valid plugin. 627 $plugins_found = false; 628 foreach ( glob( $working_directory . '*.php' ) as $file ) { 629 $info = get_plugin_data($file, false, false); 630 if ( !empty( $info['Name'] ) ) { 631 $plugins_found = true; 632 break; 633 } 634 } 635 636 if ( ! $plugins_found ) 637 return new WP_Error( 'incompatible_archive_no_plugins', $this->strings['incompatible_archive'], __( 'No valid plugins were found.' ) ); 638 639 return $source; 640 } 641 642 //return plugin info. 643 function plugin_info() { 644 if ( ! is_array($this->result) ) 645 return false; 646 if ( empty($this->result['destination_name']) ) 647 return false; 648 649 $plugin = get_plugins('/' . $this->result['destination_name']); //Ensure to pass with leading slash 650 if ( empty($plugin) ) 651 return false; 652 653 $pluginfiles = array_keys($plugin); //Assume the requested plugin is the first in the list 654 655 return $this->result['destination_name'] . '/' . $pluginfiles[0]; 656 } 657 658 //Hooked to pre_install 659 function deactivate_plugin_before_upgrade($return, $plugin) { 660 661 if ( is_wp_error($return) ) //Bypass. 662 return $return; 663 664 // When in cron (background updates) don't deactivate the plugin, as we require a browser to reactivate it 665 if ( defined( 'DOING_CRON' ) && DOING_CRON ) 666 return $return; 667 668 $plugin = isset($plugin['plugin']) ? $plugin['plugin'] : ''; 669 if ( empty($plugin) ) 670 return new WP_Error('bad_request', $this->strings['bad_request']); 671 672 if ( is_plugin_active($plugin) ) { 673 //Deactivate the plugin silently, Prevent deactivation hooks from running. 674 deactivate_plugins($plugin, true); 675 } 676 } 677 678 //Hooked to upgrade_clear_destination 679 function delete_old_plugin($removed, $local_destination, $remote_destination, $plugin) { 680 global $wp_filesystem; 681 682 if ( is_wp_error($removed) ) 683 return $removed; //Pass errors through. 684 685 $plugin = isset($plugin['plugin']) ? $plugin['plugin'] : ''; 686 if ( empty($plugin) ) 687 return new WP_Error('bad_request', $this->strings['bad_request']); 688 689 $plugins_dir = $wp_filesystem->wp_plugins_dir(); 690 $this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin) ); 691 692 if ( ! $wp_filesystem->exists($this_plugin_dir) ) //If it's already vanished. 693 return $removed; 694 695 // If plugin is in its own directory, recursively delete the directory. 696 if ( strpos($plugin, '/') && $this_plugin_dir != $plugins_dir ) //base check on if plugin includes directory separator AND that it's not the root plugin folder 697 $deleted = $wp_filesystem->delete($this_plugin_dir, true); 698 else 699 $deleted = $wp_filesystem->delete($plugins_dir . $plugin); 700 701 if ( ! $deleted ) 702 return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']); 703 704 return true; 705 } 706 } 707 708 /** 709 * Theme Upgrader class for WordPress Themes, It is designed to upgrade/install themes from a local zip, remote zip URL, or uploaded zip file. 710 * 711 * @package WordPress 712 * @subpackage Upgrader 713 * @since 2.8.0 714 */ 715 class Theme_Upgrader extends WP_Upgrader { 716 717 var $result; 718 var $bulk = false; 719 720 function upgrade_strings() { 721 $this->strings['up_to_date'] = __('The theme is at the latest version.'); 722 $this->strings['no_package'] = __('Update package not available.'); 723 $this->strings['downloading_package'] = __('Downloading update from <span class="code">%s</span>…'); 724 $this->strings['unpack_package'] = __('Unpacking the update…'); 725 $this->strings['remove_old'] = __('Removing the old version of the theme…'); 726 $this->strings['remove_old_failed'] = __('Could not remove the old theme.'); 727 $this->strings['process_failed'] = __('Theme update failed.'); 728 $this->strings['process_success'] = __('Theme updated successfully.'); 729 } 730 731 function install_strings() { 732 $this->strings['no_package'] = __('Install package not available.'); 733 $this->strings['downloading_package'] = __('Downloading install package from <span class="code">%s</span>…'); 734 $this->strings['unpack_package'] = __('Unpacking the package…'); 735 $this->strings['installing_package'] = __('Installing the theme…'); 736 $this->strings['no_files'] = __('The theme contains no files.'); 737 $this->strings['process_failed'] = __('Theme install failed.'); 738 $this->strings['process_success'] = __('Theme installed successfully.'); 739 /* translators: 1: theme name, 2: version */ 740 $this->strings['process_success_specific'] = __('Successfully installed the theme <strong>%1$s %2$s</strong>.'); 741 $this->strings['parent_theme_search'] = __('This theme requires a parent theme. Checking if it is installed…'); 742 /* translators: 1: theme name, 2: version */ 743 $this->strings['parent_theme_prepare_install'] = __('Preparing to install <strong>%1$s %2$s</strong>…'); 744 /* translators: 1: theme name, 2: version */ 745 $this->strings['parent_theme_currently_installed'] = __('The parent theme, <strong>%1$s %2$s</strong>, is currently installed.'); 746 /* translators: 1: theme name, 2: version */ 747 $this->strings['parent_theme_install_success'] = __('Successfully installed the parent theme, <strong>%1$s %2$s</strong>.'); 748 $this->strings['parent_theme_not_found'] = __('<strong>The parent theme could not be found.</strong> You will need to install the parent theme, <strong>%s</strong>, before you can use this child theme.'); 749 } 750 751 function check_parent_theme_filter($install_result, $hook_extra, $child_result) { 752 // Check to see if we need to install a parent theme 753 $theme_info = $this->theme_info(); 754 755 if ( ! $theme_info->parent() ) 756 return $install_result; 757 758 $this->skin->feedback( 'parent_theme_search' ); 759 760 if ( ! $theme_info->parent()->errors() ) { 761 $this->skin->feedback( 'parent_theme_currently_installed', $theme_info->parent()->display('Name'), $theme_info->parent()->display('Version') ); 762 // We already have the theme, fall through. 763 return $install_result; 764 } 765 766 // We don't have the parent theme, lets install it 767 $api = themes_api('theme_information', array('slug' => $theme_info->get('Template'), 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth. 768 769 if ( ! $api || is_wp_error($api) ) { 770 $this->skin->feedback( 'parent_theme_not_found', $theme_info->get('Template') ); 771 // Don't show activate or preview actions after install 772 add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') ); 773 return $install_result; 774 } 775 776 // Backup required data we're going to override: 777 $child_api = $this->skin->api; 778 $child_success_message = $this->strings['process_success']; 779 780 // Override them 781 $this->skin->api = $api; 782 $this->strings['process_success_specific'] = $this->strings['parent_theme_install_success'];//, $api->name, $api->version); 783 784 $this->skin->feedback('parent_theme_prepare_install', $api->name, $api->version); 785 786 add_filter('install_theme_complete_actions', '__return_false', 999); // Don't show any actions after installing the theme. 787 788 // Install the parent theme 789 $parent_result = $this->run( array( 790 'package' => $api->download_link, 791 'destination' => get_theme_root(), 792 'clear_destination' => false, //Do not overwrite files. 793 'clear_working' => true 794 ) ); 795 796 if ( is_wp_error($parent_result) ) 797 add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') ); 798 799 // Start cleaning up after the parents installation 800 remove_filter('install_theme_complete_actions', '__return_false', 999); 801 802 // Reset child's result and data 803 $this->result = $child_result; 804 $this->skin->api = $child_api; 805 $this->strings['process_success'] = $child_success_message; 806 807 return $install_result; 808 } 809 810 function hide_activate_preview_actions($actions) { 811 unset($actions['activate'], $actions['preview']); 812 return $actions; 813 } 814 815 function install( $package, $args = array() ) { 816 817 $defaults = array( 818 'clear_update_cache' => true, 819 ); 820 $parsed_args = wp_parse_args( $args, $defaults ); 821 822 $this->init(); 823 $this->install_strings(); 824 825 add_filter('upgrader_source_selection', array($this, 'check_package') ); 826 add_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'), 10, 3); 827 828 $this->run( array( 829 'package' => $package, 830 'destination' => get_theme_root(), 831 'clear_destination' => false, //Do not overwrite files. 832 'clear_working' => true, 833 'hook_extra' => array( 834 'type' => 'theme', 835 'action' => 'install', 836 ), 837 ) ); 838 839 remove_filter('upgrader_source_selection', array($this, 'check_package') ); 840 remove_filter('upgrader_post_install', array($this, 'check_parent_theme_filter')); 841 842 if ( ! $this->result || is_wp_error($this->result) ) 843 return $this->result; 844 845 // Refresh the Theme Update information 846 wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); 847 848 return true; 849 } 850 851 function upgrade( $theme, $args = array() ) { 852 853 $defaults = array( 854 'clear_update_cache' => true, 855 ); 856 $parsed_args = wp_parse_args( $args, $defaults ); 857 858 $this->init(); 859 $this->upgrade_strings(); 860 861 // Is an update available? 862 $current = get_site_transient( 'update_themes' ); 863 if ( !isset( $current->response[ $theme ] ) ) { 864 $this->skin->before(); 865 $this->skin->set_result(false); 866 $this->skin->error('up_to_date'); 867 $this->skin->after(); 868 return false; 869 } 870 871 $r = $current->response[ $theme ]; 872 873 add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2); 874 add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2); 875 add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4); 876 877 $this->run( array( 878 'package' => $r['package'], 879 'destination' => get_theme_root( $theme ), 880 'clear_destination' => true, 881 'clear_working' => true, 882 'hook_extra' => array( 883 'theme' => $theme, 884 'type' => 'theme', 885 'action' => 'update', 886 ), 887 ) ); 888 889 remove_filter('upgrader_pre_install', array($this, 'current_before')); 890 remove_filter('upgrader_post_install', array($this, 'current_after')); 891 remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme')); 892 893 if ( ! $this->result || is_wp_error($this->result) ) 894 return $this->result; 895 896 wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); 897 898 return true; 899 } 900 901 function bulk_upgrade( $themes, $args = array() ) { 902 903 $defaults = array( 904 'clear_update_cache' => true, 905 ); 906 $parsed_args = wp_parse_args( $args, $defaults ); 907 908 $this->init(); 909 $this->bulk = true; 910 $this->upgrade_strings(); 911 912 $current = get_site_transient( 'update_themes' ); 913 914 add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2); 915 add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2); 916 add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4); 917 918 $this->skin->header(); 919 920 // Connect to the Filesystem first. 921 $res = $this->fs_connect( array(WP_CONTENT_DIR) ); 922 if ( ! $res ) { 923 $this->skin->footer(); 924 return false; 925 } 926 927 $this->skin->bulk_header(); 928 929 // Only start maintenance mode if: 930 // - running Multisite and there are one or more themes specified, OR 931 // - a theme with an update available is currently in use. 932 // @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible. 933 $maintenance = ( is_multisite() && ! empty( $themes ) ); 934 foreach ( $themes as $theme ) 935 $maintenance = $maintenance || $theme == get_stylesheet() || $theme == get_template(); 936 if ( $maintenance ) 937 $this->maintenance_mode(true); 938 939 $results = array(); 940 941 $this->update_count = count($themes); 942 $this->update_current = 0; 943 foreach ( $themes as $theme ) { 944 $this->update_current++; 945 946 $this->skin->theme_info = $this->theme_info($theme); 947 948 if ( !isset( $current->response[ $theme ] ) ) { 949 $this->skin->set_result(true); 950 $this->skin->before(); 951 $this->skin->feedback('up_to_date'); 952 $this->skin->after(); 953 $results[$theme] = true; 954 continue; 955 } 956 957 // Get the URL to the zip file 958 $r = $current->response[ $theme ]; 959 960 $result = $this->run( array( 961 'package' => $r['package'], 962 'destination' => get_theme_root( $theme ), 963 'clear_destination' => true, 964 'clear_working' => true, 965 'hook_extra' => array( 966 'theme' => $theme 967 ), 968 ) ); 969 970 $results[$theme] = $this->result; 971 972 // Prevent credentials auth screen from displaying multiple times 973 if ( false === $result ) 974 break; 975 } //end foreach $plugins 976 977 $this->maintenance_mode(false); 978 979 do_action( 'upgrader_process_complete', $this, array( 980 'action' => 'update', 981 'type' => 'theme', 982 'bulk' => true, 983 'themes' => $themes, 984 ) ); 985 986 $this->skin->bulk_footer(); 987 988 $this->skin->footer(); 989 990 // Cleanup our hooks, in case something else does a upgrade on this connection. 991 remove_filter('upgrader_pre_install', array($this, 'current_before')); 992 remove_filter('upgrader_post_install', array($this, 'current_after')); 993 remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme')); 994 995 // Refresh the Theme Update information 996 wp_clean_themes_cache( $parsed_args['clear_update_cache'] ); 997 998 return $results; 999 } 1000 1001 function check_package($source) { 1002 global $wp_filesystem; 1003 1004 if ( is_wp_error($source) ) 1005 return $source; 1006 1007 // Check the folder contains a valid theme 1008 $working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source); 1009 if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, lets not prevent installation. 1010 return $source; 1011 1012 // A proper archive should have a style.css file in the single subdirectory 1013 if ( ! file_exists( $working_directory . 'style.css' ) ) 1014 return new WP_Error( 'incompatible_archive_theme_no_style', $this->strings['incompatible_archive'], __( 'The theme is missing the <code>style.css</code> stylesheet.' ) ); 1015 1016 $info = get_file_data( $working_directory . 'style.css', array( 'Name' => 'Theme Name', 'Template' => 'Template' ) ); 1017 1018 if ( empty( $info['Name'] ) ) 1019 return new WP_Error( 'incompatible_archive_theme_no_name', $this->strings['incompatible_archive'], __( "The <code>style.css</code> stylesheet doesn't contain a valid theme header." ) ); 1020 1021 // If it's not a child theme, it must have at least an index.php to be legit. 1022 if ( empty( $info['Template'] ) && ! file_exists( $working_directory . 'index.php' ) ) 1023 return new WP_Error( 'incompatible_archive_theme_no_index', $this->strings['incompatible_archive'], __( 'The theme is missing the <code>index.php</code> file.' ) ); 1024 1025 return $source; 1026 } 1027 1028 function current_before($return, $theme) { 1029 1030 if ( is_wp_error($return) ) 1031 return $return; 1032 1033 $theme = isset($theme['theme']) ? $theme['theme'] : ''; 1034 1035 if ( $theme != get_stylesheet() ) //If not current 1036 return $return; 1037 //Change to maintenance mode now. 1038 if ( ! $this->bulk ) 1039 $this->maintenance_mode(true); 1040 1041 return $return; 1042 } 1043 1044 function current_after($return, $theme) { 1045 if ( is_wp_error($return) ) 1046 return $return; 1047 1048 $theme = isset($theme['theme']) ? $theme['theme'] : ''; 1049 1050 if ( $theme != get_stylesheet() ) // If not current 1051 return $return; 1052 1053 // Ensure stylesheet name hasn't changed after the upgrade: 1054 if ( $theme == get_stylesheet() && $theme != $this->result['destination_name'] ) { 1055 wp_clean_themes_cache(); 1056 $stylesheet = $this->result['destination_name']; 1057 switch_theme( $stylesheet ); 1058 } 1059 1060 //Time to remove maintenance mode 1061 if ( ! $this->bulk ) 1062 $this->maintenance_mode(false); 1063 return $return; 1064 } 1065 1066 function delete_old_theme( $removed, $local_destination, $remote_destination, $theme ) { 1067 global $wp_filesystem; 1068 1069 if ( is_wp_error( $removed ) ) 1070 return $removed; // Pass errors through. 1071 1072 if ( ! isset( $theme['theme'] ) ) 1073 return $removed; 1074 1075 $theme = $theme['theme']; 1076 $themes_dir = trailingslashit( $wp_filesystem->wp_themes_dir( $theme ) ); 1077 if ( $wp_filesystem->exists( $themes_dir . $theme ) ) { 1078 if ( ! $wp_filesystem->delete( $themes_dir . $theme, true ) ) 1079 return false; 1080 } 1081 1082 return true; 1083 } 1084 1085 function theme_info($theme = null) { 1086 1087 if ( empty($theme) ) { 1088 if ( !empty($this->result['destination_name']) ) 1089 $theme = $this->result['destination_name']; 1090 else 1091 return false; 1092 } 1093 return wp_get_theme( $theme ); 1094 } 1095 1096 } 1097 1098 add_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 ); 1099 1100 /** 1101 * Language pack upgrader, for updating translations of plugins, themes, and core. 1102 * 1103 * @package WordPress 1104 * @subpackage Upgrader 1105 * @since 3.7.0 1106 */ 1107 class Language_Pack_Upgrader extends WP_Upgrader { 1108 1109 var $result; 1110 var $bulk = true; 1111 1112 static function async_upgrade( $upgrader = false ) { 1113 // Avoid recursion. 1114 if ( $upgrader && $upgrader instanceof Language_Pack_Upgrader ) 1115 return; 1116 1117 // Nothing to do? 1118 $language_updates = wp_get_translation_updates(); 1119 if ( ! $language_updates ) 1120 return; 1121 1122 $skin = new Language_Pack_Upgrader_Skin( array( 1123 'skip_header_footer' => true, 1124 ) ); 1125 1126 $lp_upgrader = new Language_Pack_Upgrader( $skin ); 1127 $lp_upgrader->upgrade(); 1128 } 1129 1130 function upgrade_strings() { 1131 $this->strings['starting_upgrade'] = __( 'Some of your translations need updating. Sit tight for a few more seconds while we update them as well.' ); 1132 $this->strings['up_to_date'] = __( 'The translation is up to date.' ); // We need to silently skip this case 1133 $this->strings['no_package'] = __( 'Update package not available.' ); 1134 $this->strings['downloading_package'] = __( 'Downloading translation from <span class="code">%s</span>…' ); 1135 $this->strings['unpack_package'] = __( 'Unpacking the update…' ); 1136 $this->strings['process_failed'] = __( 'Translation update failed.' ); 1137 $this->strings['process_success'] = __( 'Translation updated successfully.' ); 1138 } 1139 1140 function upgrade( $update = false, $args = array() ) { 1141 if ( $update ) 1142 $update = array( $update ); 1143 $results = $this->bulk_upgrade( $update, $args ); 1144 return $results[0]; 1145 } 1146 1147 function bulk_upgrade( $language_updates = array(), $args = array() ) { 1148 global $wp_filesystem; 1149 1150 $defaults = array( 1151 'clear_update_cache' => true, 1152 ); 1153 $parsed_args = wp_parse_args( $args, $defaults ); 1154 1155 $this->init(); 1156 $this->upgrade_strings(); 1157 1158 if ( ! $language_updates ) 1159 $language_updates = wp_get_translation_updates(); 1160 1161 if ( empty( $language_updates ) ) { 1162 $this->skin->header(); 1163 $this->skin->before(); 1164 $this->skin->set_result( true ); 1165 $this->skin->feedback( 'up_to_date' ); 1166 $this->skin->after(); 1167 $this->skin->bulk_footer(); 1168 $this->skin->footer(); 1169 return true; 1170 } 1171 1172 if ( 'upgrader_process_complete' == current_filter() ) 1173 $this->skin->feedback( 'starting_upgrade' ); 1174 1175 add_filter( 'upgrader_source_selection', array( &$this, 'check_package' ), 10, 3 ); 1176 1177 $this->skin->header(); 1178 1179 // Connect to the Filesystem first. 1180 $res = $this->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) ); 1181 if ( ! $res ) { 1182 $this->skin->footer(); 1183 return false; 1184 } 1185 1186 $results = array(); 1187 1188 $this->update_count = count( $language_updates ); 1189 $this->update_current = 0; 1190 1191 // The filesystem's mkdir() is not recursive. Make sure WP_LANG_DIR exists, 1192 // as we then may need to create a /plugins or /themes directory inside of it. 1193 $remote_destination = $wp_filesystem->find_folder( WP_LANG_DIR ); 1194 if ( ! $wp_filesystem->exists( $remote_destination ) ) 1195 if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) ) 1196 return new WP_Error( 'mkdir_failed_lang_dir', $this->strings['mkdir_failed'], $remote_destination ); 1197 1198 foreach ( $language_updates as $language_update ) { 1199 1200 $this->skin->language_update = $language_update; 1201 1202 $destination = WP_LANG_DIR; 1203 if ( 'plugin' == $language_update->type ) 1204 $destination .= '/plugins'; 1205 elseif ( 'theme' == $language_update->type ) 1206 $destination .= '/themes'; 1207 1208 $this->update_current++; 1209 1210 $options = array( 1211 'package' => $language_update->package, 1212 'destination' => $destination, 1213 'clear_destination' => false, 1214 'abort_if_destination_exists' => false, // We expect the destination to exist. 1215 'clear_working' => true, 1216 'is_multi' => true, 1217 'hook_extra' => array( 1218 'language_update_type' => $language_update->type, 1219 'language_update' => $language_update, 1220 ) 1221 ); 1222 1223 $result = $this->run( $options ); 1224 1225 $results[] = $this->result; 1226 1227 // Prevent credentials auth screen from displaying multiple times. 1228 if ( false === $result ) 1229 break; 1230 } 1231 1232 $this->skin->bulk_footer(); 1233 1234 $this->skin->footer(); 1235 1236 // Clean up our hooks, in case something else does an upgrade on this connection. 1237 remove_filter( 'upgrader_source_selection', array( &$this, 'check_package' ), 10, 2 ); 1238 1239 if ( $parsed_args['clear_update_cache'] ) { 1240 wp_clean_themes_cache( true ); 1241 wp_clean_plugins_cache( true ); 1242 delete_site_transient( 'update_core' ); 1243 } 1244 1245 return $results; 1246 } 1247 1248 function check_package( $source, $remote_source ) { 1249 global $wp_filesystem; 1250 1251 if ( is_wp_error( $source ) ) 1252 return $source; 1253 1254 // Check that the folder contains a valid language. 1255 $files = $wp_filesystem->dirlist( $remote_source ); 1256 1257 // Check to see if a .po and .mo exist in the folder. 1258 $po = $mo = false; 1259 foreach ( (array) $files as $file => $filedata ) { 1260 if ( '.po' == substr( $file, -3 ) ) 1261 $po = true; 1262 elseif ( '.mo' == substr( $file, -3 ) ) 1263 $mo = true; 1264 } 1265 1266 if ( ! $mo || ! $po ) 1267 return new WP_Error( 'incompatible_archive_pomo', $this->strings['incompatible_archive'], 1268 __( 'The language pack is missing either the <code>.po</code> or <code>.mo</code> files.' ) ); 1269 1270 return $source; 1271 } 1272 1273 function get_name_for_update( $update ) { 1274 switch ( $update->type ) { 1275 case 'core': 1276 return 'WordPress'; // Not translated 1277 break; 1278 case 'theme': 1279 $theme = wp_get_theme( $update->slug ); 1280 if ( $theme->exists() ) 1281 return $theme->Get( 'Name' ); 1282 break; 1283 case 'plugin': 1284 $plugin_data = get_plugins( '/' . $update->slug ); 1285 $plugin_data = array_shift( $plugin_data ); 1286 if ( $plugin_data ) 1287 return $plugin_data['Name']; 1288 break; 1289 } 1290 return ''; 1291 } 1292 1293 } 1294 1295 /** 1296 * Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combination with the wp-admin/includes/update-core.php file 1297 * 1298 * @package WordPress 1299 * @subpackage Upgrader 1300 * @since 2.8.0 1301 */ 1302 class Core_Upgrader extends WP_Upgrader { 1303 1304 function upgrade_strings() { 1305 $this->strings['up_to_date'] = __('WordPress is at the latest version.'); 1306 $this->strings['no_package'] = __('Update package not available.'); 1307 $this->strings['downloading_package'] = __('Downloading update from <span class="code">%s</span>…'); 1308 $this->strings['unpack_package'] = __('Unpacking the update…'); 1309 $this->strings['copy_failed'] = __('Could not copy files.'); 1310 $this->strings['copy_failed_space'] = __('Could not copy files. You may have run out of disk space.' ); 1311 $this->strings['start_rollback'] = __( 'Attempting to roll back to previous version.' ); 1312 $this->strings['rollback_was_required'] = __( 'Due to an error during updating, WordPress has rolled back to your previous version.' ); 1313 } 1314 1315 function upgrade( $current, $args = array() ) { 1316 global $wp_filesystem; 1317 1318 include ABSPATH . WPINC . '/version.php'; // $wp_version; 1319 1320 $start_time = time(); 1321 1322 $defaults = array( 1323 'pre_check_md5' => true, 1324 'attempt_rollback' => false, 1325 'do_rollback' => false, 1326 ); 1327 $parsed_args = wp_parse_args( $args, $defaults ); 1328 1329 $this->init(); 1330 $this->upgrade_strings(); 1331 1332 // Is an update available? 1333 if ( !isset( $current->response ) || $current->response == 'latest' ) 1334 return new WP_Error('up_to_date', $this->strings['up_to_date']); 1335 1336 $res = $this->fs_connect( array(ABSPATH, WP_CONTENT_DIR) ); 1337 if ( ! $res || is_wp_error( $res ) ) { 1338 return $res; 1339 } 1340 1341 $wp_dir = trailingslashit($wp_filesystem->abspath()); 1342 1343 $partial = true; 1344 if ( $parsed_args['do_rollback'] ) 1345 $partial = false; 1346 elseif ( $parsed_args['pre_check_md5'] && ! $this->check_files() ) 1347 $partial = false; 1348 1349 // If partial update is returned from the API, use that, unless we're doing a reinstall. 1350 // If we cross the new_bundled version number, then use the new_bundled zip. 1351 // Don't though if the constant is set to skip bundled items. 1352 // If the API returns a no_content zip, go with it. Finally, default to the full zip. 1353 if ( $parsed_args['do_rollback'] && $current->packages->rollback ) 1354 $to_download = 'rollback'; 1355 elseif ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version && $partial ) 1356 $to_download = 'partial'; 1357 elseif ( $current->packages->new_bundled && version_compare( $wp_version, $current->new_bundled, '<' ) 1358 && ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) ) 1359 $to_download = 'new_bundled'; 1360 elseif ( $current->packages->no_content ) 1361 $to_download = 'no_content'; 1362 else 1363 $to_download = 'full'; 1364 1365 $download = $this->download_package( $current->packages->$to_download ); 1366 if ( is_wp_error($download) ) 1367 return $download; 1368 1369 $working_dir = $this->unpack_package( $download ); 1370 if ( is_wp_error($working_dir) ) 1371 return $working_dir; 1372 1373 // Copy update-core.php from the new version into place. 1374 if ( !$wp_filesystem->copy($working_dir . '/wordpress/wp-admin/includes/update-core.php', $wp_dir . 'wp-admin/includes/update-core.php', true) ) { 1375 $wp_filesystem->delete($working_dir, true); 1376 return new WP_Error( 'copy_failed_for_update_core_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-admin/includes/update-core.php' ); 1377 } 1378 $wp_filesystem->chmod($wp_dir . 'wp-admin/includes/update-core.php', FS_CHMOD_FILE); 1379 1380 require_once ( ABSPATH . 'wp-admin/includes/update-core.php' ); 1381 1382 if ( ! function_exists( 'update_core' ) ) 1383 return new WP_Error( 'copy_failed_space', $this->strings['copy_failed_space'] ); 1384 1385 $result = update_core( $working_dir, $wp_dir ); 1386 1387 // In the event of an issue, we may be able to roll back. 1388 if ( $parsed_args['attempt_rollback'] && $current->packages->rollback && ! $parsed_args['do_rollback'] ) { 1389 $try_rollback = false; 1390 if ( is_wp_error( $result ) ) { 1391 $error_code = $result->get_error_code(); 1392 // Not all errors are equal. These codes are critical: copy_failed__copy_dir, 1393 // mkdir_failed__copy_dir, copy_failed__copy_dir_retry, and disk_full. 1394 // do_rollback allows for update_core() to trigger a rollback if needed. 1395 if ( false !== strpos( $error_code, 'do_rollback' ) ) 1396 $try_rollback = true; 1397 elseif ( false !== strpos( $error_code, '__copy_dir' ) ) 1398 $try_rollback = true; 1399 elseif ( 'disk_full' === $error_code ) 1400 $try_rollback = true; 1401 } 1402 1403 if ( $try_rollback ) { 1404 apply_filters( 'update_feedback', $result ); 1405 apply_filters( 'update_feedback', $this->strings['start_rollback'] ); 1406 1407 $rollback_result = $this->upgrade( $current, array_merge( $parsed_args, array( 'do_rollback' => true ) ) ); 1408 1409 $original_result = $result; 1410 $result = new WP_Error( 'rollback_was_required', $this->strings['rollback_was_required'], (object) array( 'update' => $original_result, 'rollback' => $rollback_result ) ); 1411 } 1412 } 1413 1414 do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ) ); 1415 1416 // Clear the current updates 1417 delete_site_transient( 'update_core' ); 1418 1419 if ( ! $parsed_args['do_rollback'] ) { 1420 $stats = array( 1421 'update_type' => $current->response, 1422 'success' => true, 1423 'fs_method' => $wp_filesystem->method, 1424 'fs_method_forced' => defined( 'FS_METHOD' ) || has_filter( 'filesystem_method' ), 1425 'time_taken' => time() - $start_time, 1426 'reported' => $wp_version, 1427 'attempted' => $current->version, 1428 ); 1429 1430 if ( is_wp_error( $result ) ) { 1431 $stats['success'] = false; 1432 // Did a rollback occur? 1433 if ( ! empty( $try_rollback ) ) { 1434 $stats['error_code'] = $original_result->get_error_code(); 1435 $stats['error_data'] = $original_result->get_error_data(); 1436 // Was the rollback successful? If not, collect its error too. 1437 $stats['rollback'] = ! is_wp_error( $rollback_result ); 1438 if ( is_wp_error( $rollback_result ) ) { 1439 $stats['rollback_code'] = $rollback_result->get_error_code(); 1440 $stats['rollback_data'] = $rollback_result->get_error_data(); 1441 } 1442 } else { 1443 $stats['error_code'] = $result->get_error_code(); 1444 $stats['error_data'] = $result->get_error_data(); 1445 } 1446 } 1447 1448 wp_version_check( $stats ); 1449 } 1450 1451 return $result; 1452 } 1453 1454 // Determines if this WordPress Core version should update to $offered_ver or not 1455 static function should_update_to_version( $offered_ver /* x.y.z */ ) { 1456 include ABSPATH . WPINC . '/version.php'; // $wp_version; // x.y.z 1457 1458 $current_branch = implode( '.', array_slice( preg_split( '/[.-]/', $wp_version ), 0, 2 ) ); // x.y 1459 $new_branch = implode( '.', array_slice( preg_split( '/[.-]/', $offered_ver ), 0, 2 ) ); // x.y 1460 $current_is_development_version = (bool) strpos( $wp_version, '-' ); 1461 1462 // Defaults: 1463 $upgrade_dev = true; 1464 $upgrade_minor = true; 1465 $upgrade_major = false; 1466 1467 // WP_AUTO_UPDATE_CORE = true (all), 'minor', false. 1468 if ( defined( 'WP_AUTO_UPDATE_CORE' ) ) { 1469 if ( false === WP_AUTO_UPDATE_CORE ) { 1470 // Defaults to turned off, unless a filter allows it 1471 $upgrade_dev = $upgrade_minor = $upgrade_major = false; 1472 } elseif ( true === WP_AUTO_UPDATE_CORE ) { 1473 // ALL updates for core 1474 $upgrade_dev = $upgrade_minor = $upgrade_major = true; 1475 } elseif ( 'minor' === WP_AUTO_UPDATE_CORE ) { 1476 // Only minor updates for core 1477 $upgrade_dev = $upgrade_major = false; 1478 $upgrade_minor = true; 1479 } 1480 } 1481 1482 // 1: If we're already on that version, not much point in updating? 1483 if ( $offered_ver == $wp_version ) 1484 return false; 1485 1486 // 2: If we're running a newer version, that's a nope 1487 if ( version_compare( $wp_version, $offered_ver, '>' ) ) 1488 return false; 1489 1490 $failure_data = get_site_option( 'auto_core_update_failed' ); 1491 if ( $failure_data ) { 1492 // If this was a critical update failure, cannot update. 1493 if ( ! empty( $failure_data['critical'] ) ) 1494 return false; 1495 1496 // Don't claim we can update on update-core.php if we have a non-critical failure logged. 1497 if ( $wp_version == $failure_data['current'] && false !== strpos( $offered_ver, '.1.next.minor' ) ) 1498 return false; 1499 1500 // Cannot update if we're retrying the same A to B update that caused a non-critical failure. 1501 // Some non-critical failures do allow retries, like download_failed. 1502 // 3.7.1 => 3.7.2 resulted in files_not_writable, if we are still on 3.7.1 and still trying to update to 3.7.2. 1503 if ( empty( $failure_data['retry'] ) && $wp_version == $failure_data['current'] && $offered_ver == $failure_data['attempted'] ) 1504 return false; 1505 } 1506 1507 // 3: 3.7-alpha-25000 -> 3.7-alpha-25678 -> 3.7-beta1 -> 3.7-beta2 1508 if ( $current_is_development_version ) { 1509 if ( ! apply_filters( 'allow_dev_auto_core_updates', $upgrade_dev ) ) 1510 return false; 1511 // else fall through to minor + major branches below 1512 } 1513 1514 // 4: Minor In-branch updates (3.7.0 -> 3.7.1 -> 3.7.2 -> 3.7.4) 1515 if ( $current_branch == $new_branch ) 1516 return apply_filters( 'allow_minor_auto_core_updates', $upgrade_minor ); 1517 1518 // 5: Major version updates (3.7.0 -> 3.8.0 -> 3.9.1) 1519 if ( version_compare( $new_branch, $current_branch, '>' ) ) 1520 return apply_filters( 'allow_major_auto_core_updates', $upgrade_major ); 1521 1522 // If we're not sure, we don't want it 1523 return false; 1524 } 1525 1526 function check_files() { 1527 global $wp_version, $wp_local_package; 1528 1529 $checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' ); 1530 1531 if ( ! is_array( $checksums ) ) 1532 return false; 1533 1534 foreach ( $checksums as $file => $checksum ) { 1535 // Skip files which get updated 1536 if ( 'wp-content' == substr( $file, 0, 10 ) ) 1537 continue; 1538 if ( ! file_exists( ABSPATH . $file ) || md5_file( ABSPATH . $file ) !== $checksum ) 1539 return false; 1540 } 1541 1542 return true; 1543 } 1544 } 1545 1546 /** 1547 * Upgrade Skin helper for File uploads. This class handles the upload process and passes it as if it's a local file to the Upgrade/Installer functions. 1548 * 1549 * @package WordPress 1550 * @subpackage Upgrader 1551 * @since 2.8.0 1552 */ 1553 class File_Upload_Upgrader { 1554 var $package; 1555 var $filename; 1556 var $id = 0; 1557 1558 function __construct($form, $urlholder) { 1559 1560 if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) ) 1561 wp_die(__('Please select a file')); 1562 1563 //Handle a newly uploaded file, Else assume it's already been uploaded 1564 if ( ! empty($_FILES) ) { 1565 $overrides = array( 'test_form' => false, 'test_type' => false ); 1566 $file = wp_handle_upload( $_FILES[$form], $overrides ); 1567 1568 if ( isset( $file['error'] ) ) 1569 wp_die( $file['error'] ); 1570 1571 $this->filename = $_FILES[$form]['name']; 1572 $this->package = $file['file']; 1573 1574 // Construct the object array 1575 $object = array( 1576 'post_title' => $this->filename, 1577 'post_content' => $file['url'], 1578 'post_mime_type' => $file['type'], 1579 'guid' => $file['url'], 1580 'context' => 'upgrader', 1581 'post_status' => 'private' 1582 ); 1583 1584 // Save the data 1585 $this->id = wp_insert_attachment( $object, $file['file'] ); 1586 1587 // schedule a cleanup for 2 hours from now in case of failed install 1588 wp_schedule_single_event( time() + 7200, 'upgrader_scheduled_cleanup', array( $this->id ) ); 1589 1590 } elseif ( is_numeric( $_GET[$urlholder] ) ) { 1591 // Numeric Package = previously uploaded file, see above. 1592 $this->id = (int) $_GET[$urlholder]; 1593 $attachment = get_post( $this->id ); 1594 if ( empty($attachment) ) 1595 wp_die(__('Please select a file')); 1596 1597 $this->filename = $attachment->post_title; 1598 $this->package = get_attached_file( $attachment->ID ); 1599 } else { 1600 // Else, It's set to something, Back compat for plugins using the old (pre-3.3) File_Uploader handler. 1601 if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) ) 1602 wp_die( $uploads['error'] ); 1603 1604 $this->filename = $_GET[$urlholder]; 1605 $this->package = $uploads['basedir'] . '/' . $this->filename; 1606 } 1607 } 1608 1609 function cleanup() { 1610 if ( $this->id ) 1611 wp_delete_attachment( $this->id ); 1612 1613 elseif ( file_exists( $this->package ) ) 1614 return @unlink( $this->package ); 1615 1616 return true; 1617 } 1618 } 1619 1620 /** 1621 * The WordPress automatic background updater. 1622 * 1623 * @package WordPress 1624 * @subpackage Upgrader 1625 * @since 3.7.0 1626 */ 1627 class WP_Automatic_Updater { 1628 1629 /** 1630 * Tracks update results during processing. 1631 * 1632 * @var array 1633 */ 1634 protected $update_results = array(); 1635 1636 /** 1637 * Whether the entire automatic updater is disabled. 1638 * 1639 * @since 3.7.0 1640 */ 1641 public function is_disabled() { 1642 // Background updates are disabled if you don't want file changes. 1643 if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) 1644 return true; 1645 1646 if ( defined( 'WP_INSTALLING' ) ) 1647 return true; 1648 1649 // More fine grained control can be done through the WP_AUTO_UPDATE_CORE constant and filters. 1650 $disabled = defined( 'AUTOMATIC_UPDATER_DISABLED' ) && AUTOMATIC_UPDATER_DISABLED; 1651 1652 /** 1653 * Filter whether to entirely disable background updates. 1654 * 1655 * There are more fine-grained filters and controls for selective disabling. 1656 * This filter parallels the AUTOMATIC_UPDATER_DISABLED constant in name. 1657 * 1658 * This also disables update notification emails. That may change in the future. 1659 * 1660 * @since 3.7.0 1661 * @param bool $disabled Whether the updater should be disabled. 1662 */ 1663 return apply_filters( 'automatic_updater_disabled', $disabled ); 1664 } 1665 1666 /** 1667 * Check for version control checkouts. 1668 * 1669 * Checks for Subversion, Git, Mercurial, and Bazaar. It recursively looks up the 1670 * filesystem to the top of the drive, erring on the side of detecting a VCS 1671 * checkout somewhere. 1672 * 1673 * ABSPATH is always checked in addition to whatever $context is (which may be the 1674 * wp-content directory, for example). The underlying assumption is that if you are 1675 * using version control *anywhere*, then you should be making decisions for 1676 * how things get updated. 1677 * 1678 * @since 3.7.0 1679 * 1680 * @param string $context The filesystem path to check, in addition to ABSPATH. 1681 */ 1682 public function is_vcs_checkout( $context ) { 1683 $context_dirs = array( untrailingslashit( $context ) ); 1684 if ( $context !== ABSPATH ) 1685 $context_dirs[] = untrailingslashit( ABSPATH ); 1686 1687 $vcs_dirs = array( '.svn', '.git', '.hg', '.bzr' ); 1688 $check_dirs = array(); 1689 1690 foreach ( $context_dirs as $context_dir ) { 1691 // Walk up from $context_dir to the root. 1692 do { 1693 $check_dirs[] = $context_dir; 1694 1695 // Once we've hit '/' or 'C:\', we need to stop. dirname will keep returning the input here. 1696 if ( $context_dir == dirname( $context_dir ) ) 1697 break; 1698 1699 // Continue one level at a time. 1700 } while ( $context_dir = dirname( $context_dir ) ); 1701 } 1702 1703 $check_dirs = array_unique( $check_dirs ); 1704 1705 // Search all directories we've found for evidence of version control. 1706 foreach ( $vcs_dirs as $vcs_dir ) { 1707 foreach ( $check_dirs as $check_dir ) { 1708 if ( $checkout = @is_dir( rtrim( $check_dir, '\\/' ) . "/$vcs_dir" ) ) 1709 break 2; 1710 } 1711 } 1712 1713 /** 1714 * Filter whether the automatic updater should consider a filesystem location to be potentially 1715 * managed by a version control system. 1716 * 1717 * @since 3.7.0 1718 * 1719 * @param bool $checkout Whether a VCS checkout was discovered at $context or ABSPATH, or anywhere higher. 1720 * @param string $context The filesystem context (a path) against which filesystem status should be checked. 1721 */ 1722 return apply_filters( 'automatic_updates_is_vcs_checkout', $checkout, $context ); 1723 } 1724 1725 /** 1726 * Tests to see if we can and should update a specific item. 1727 * 1728 * @since 3.7.0 1729 * 1730 * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'. 1731 * @param object $item The update offer. 1732 * @param string $context The filesystem context (a path) against which filesystem access and status 1733 * should be checked. 1734 */ 1735 public function should_update( $type, $item, $context ) { 1736 // Used to see if WP_Filesystem is set up to allow unattended updates. 1737 $skin = new Automatic_Upgrader_Skin; 1738 1739 if ( $this->is_disabled() ) 1740 return false; 1741 1742 // If we can't do an auto core update, we may still be able to email the user. 1743 if ( ! $skin->request_filesystem_credentials( false, $context ) || $this->is_vcs_checkout( $context ) ) { 1744 if ( 'core' == $type ) 1745 $this->send_core_update_notification_email( $item ); 1746 return false; 1747 } 1748 1749 // Next up, is this an item we can update? 1750 if ( 'core' == $type ) 1751 $update = Core_Upgrader::should_update_to_version( $item->current ); 1752 else 1753 $update = ! empty( $item->autoupdate ); 1754 1755 /** 1756 * Filter whether to automatically update core, a plugin, a theme, or a language. 1757 * 1758 * The dynamic portion of the hook name, $type, refers to the type of update 1759 * being checked. Can be 'core', 'theme', 'plugin', or 'translation'. 1760 * 1761 * Generally speaking, plugins, themes, and major core versions are not updated by default, 1762 * while translations and minor and development versions for core are updated by default. 1763 * 1764 * See the filters allow_dev_auto_core_updates, allow_minor_auto_core_updates, and 1765 * allow_major_auto_core_updates more straightforward filters to adjust core updates. 1766 * 1767 * @since 3.7.0 1768 * 1769 * @param bool $update Whether to update. 1770 * @param object $item The update offer. 1771 */ 1772 $update = apply_filters( 'auto_update_' . $type, $update, $item ); 1773 1774 if ( ! $update ) { 1775 if ( 'core' == $type ) 1776 $this->send_core_update_notification_email( $item ); 1777 return false; 1778 } 1779 1780 // If it's a core update, are we actually compatible with its requirements? 1781 if ( 'core' == $type ) { 1782 global $wpdb; 1783 1784 $php_compat = version_compare( phpversion(), $item->php_version, '>=' ); 1785 if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) 1786 $mysql_compat = true; 1787 else 1788 $mysql_compat = version_compare( $wpdb->db_version(), $item->mysql_version, '>=' ); 1789 1790 if ( ! $php_compat || ! $mysql_compat ) 1791 return false; 1792 } 1793 1794 return true; 1795 } 1796 1797 /** 1798 * Notifies an administrator of a core update. 1799 * 1800 * @since 3.7.0 1801 * 1802 * @param object $item The update offer. 1803 */ 1804 protected function send_core_update_notification_email( $item ) { 1805 $notify = true; 1806 $notified = get_site_option( 'auto_core_update_notified' ); 1807 1808 // Don't notify if we've already notified the same email address of the same version. 1809 if ( $notified && $notified['email'] == get_site_option( 'admin_email' ) && $notified['version'] == $item->current ) 1810 return false; 1811 1812 // See if we need to notify users of a core update. 1813 $notify = ! empty( $item->notify_email ); 1814 1815 /** 1816 * Whether to notify the site administrator of a new core update. 1817 * 1818 * By default, administrators are notified when the update offer received from WordPress.org 1819 * sets a particular flag. This allows for discretion in if and when to notify. 1820 * 1821 * This filter only fires once per release -- if the same email address was already 1822 * notified of the same new version, we won't repeatedly email the administrator. 1823 * 1824 * This filter is also used on about.php to check if a plugin has disabled these notifications. 1825 * 1826 * @since 3.7.0 1827 * 1828 * @param bool $notify Whether the site administrator is notified. 1829 * @param object $item The update offer. 1830 */ 1831 if ( ! apply_filters( 'send_core_update_notification_email', $notify, $item ) ) 1832 return false; 1833 1834 $this->send_email( 'manual', $item ); 1835 return true; 1836 } 1837 1838 /** 1839 * Update an item, if appropriate. 1840 * 1841 * @since 3.7.0 1842 * 1843 * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'. 1844 * @param object $item The update offer. 1845 */ 1846 public function update( $type, $item ) { 1847 $skin = new Automatic_Upgrader_Skin; 1848 1849 switch ( $type ) { 1850 case 'core': 1851 // The Core upgrader doesn't use the Upgrader's skin during the actual main part of the upgrade, instead, firing a filter. 1852 add_filter( 'update_feedback', array( $skin, 'feedback' ) ); 1853 $upgrader = new Core_Upgrader( $skin ); 1854 $context = ABSPATH; 1855 break; 1856 case 'plugin': 1857 $upgrader = new Plugin_Upgrader( $skin ); 1858 $context = WP_PLUGIN_DIR; // We don't support custom Plugin directories, or updates for WPMU_PLUGIN_DIR 1859 break; 1860 case 'theme': 1861 $upgrader = new Theme_Upgrader( $skin ); 1862 $context = get_theme_root( $item ); 1863 break; 1864 case 'translation': 1865 $upgrader = new Language_Pack_Upgrader( $skin ); 1866 $context = WP_CONTENT_DIR; // WP_LANG_DIR; 1867 break; 1868 } 1869 1870 // Determine whether we can and should perform this update. 1871 if ( ! $this->should_update( $type, $item, $context ) ) 1872 return false; 1873 1874 switch ( $type ) { 1875 case 'core': 1876 $skin->feedback( __( 'Updating to WordPress %s' ), $item->version ); 1877 $item_name = sprintf( __( 'WordPress %s' ), $item->version ); 1878 break; 1879 case 'theme': 1880 $theme = wp_get_theme( $item ); 1881 $item_name = $theme->Get( 'Name' ); 1882 $skin->feedback( __( 'Updating theme: %s' ), $item_name ); 1883 break; 1884 case 'plugin': 1885 $plugin_data = get_plugin_data( $context . '/' . $item ); 1886 $item_name = $plugin_data['Name']; 1887 $skin->feedback( __( 'Updating plugin: %s' ), $item_name ); 1888 break; 1889 case 'translation': 1890 $language_item_name = $upgrader->get_name_for_update( $item ); 1891 $item_name = sprintf( __( 'Translations for %s' ), $language_item_name ); 1892 $skin->feedback( sprintf( __( 'Updating translations for %1$s (%2$s)…' ), $language_item_name, $item->language ) ); 1893 break; 1894 } 1895 1896 // Boom, This sites about to get a whole new splash of paint! 1897 $upgrade_result = $upgrader->upgrade( $item, array( 1898 'clear_update_cache' => false, 1899 'pre_check_md5' => false, /* always use partial builds if possible for core updates */ 1900 'attempt_rollback' => true, /* only available for core updates */ 1901 ) ); 1902 1903 // if the filesystem is unavailable, false is returned. 1904 if ( false === $upgrade_result ) { 1905 $upgrade_result = new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) ); 1906 } 1907 1908 // Core doesn't output this, so lets append it so we don't get confused 1909 if ( 'core' == $type ) { 1910 if ( is_wp_error( $upgrade_result ) ) { 1911 $skin->error( __( 'Installation Failed' ), $upgrade_result ); 1912 } else { 1913 $skin->feedback( __( 'WordPress updated successfully' ) ); 1914 } 1915 } 1916 1917 $this->update_results[ $type ][] = (object) array( 1918 'item' => $item, 1919 'result' => $upgrade_result, 1920 'name' => $item_name, 1921 'messages' => $skin->get_upgrade_messages() 1922 ); 1923 1924 return $upgrade_result; 1925 } 1926 1927 /** 1928 * Kicks off the background update process, looping through all pending updates. 1929 * 1930 * @since 3.7.0 1931 */ 1932 public function run() { 1933 global $wpdb, $wp_version; 1934 1935 if ( $this->is_disabled() ) 1936 return; 1937 1938 if ( ! is_main_network() || ! is_main_site() ) 1939 return; 1940 1941 $lock_name = 'auto_updater.lock'; 1942 1943 // Try to lock 1944 $lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) ); 1945 1946 if ( ! $lock_result ) { 1947 $lock_result = get_option( $lock_name ); 1948 1949 // If we couldn't create a lock, and there isn't a lock, bail 1950 if ( ! $lock_result ) 1951 return; 1952 1953 // Check to see if the lock is still valid 1954 if ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) 1955 return; 1956 } 1957 1958 // Update the lock, as by this point we've definately got a lock, just need to fire the actions 1959 update_option( $lock_name, time() ); 1960 1961 // Don't automatically run these thins, as we'll handle it ourselves 1962 remove_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 ); 1963 remove_action( 'upgrader_process_complete', 'wp_version_check' ); 1964 remove_action( 'upgrader_process_complete', 'wp_update_plugins' ); 1965 remove_action( 'upgrader_process_complete', 'wp_update_themes' ); 1966 1967 // Next, Plugins 1968 wp_update_plugins(); // Check for Plugin updates 1969 $plugin_updates = get_site_transient( 'update_plugins' ); 1970 if ( $plugin_updates && !empty( $plugin_updates->response ) ) { 1971 foreach ( array_keys( $plugin_updates->response ) as $plugin ) { 1972 $this->update( 'plugin', $plugin ); 1973 } 1974 // Force refresh of plugin update information 1975 wp_clean_plugins_cache(); 1976 } 1977 1978 // Next, those themes we all love 1979 wp_update_themes(); // Check for Theme updates 1980 $theme_updates = get_site_transient( 'update_themes' ); 1981 if ( $theme_updates && !empty( $theme_updates->response ) ) { 1982 foreach ( array_keys( $theme_updates->response ) as $theme ) { 1983 $this->update( 'theme', $theme ); 1984 } 1985 // Force refresh of theme update information 1986 wp_clean_themes_cache(); 1987 } 1988 1989 // Next, Process any core update 1990 wp_version_check(); // Check for Core updates 1991 $core_update = find_core_auto_update(); 1992 1993 if ( $core_update ) 1994 $this->update( 'core', $core_update ); 1995 1996 // Clean up, and check for any pending translations 1997 // (Core_Upgrader checks for core updates) 1998 wp_update_themes(); // Check for Theme updates 1999 wp_update_plugins(); // Check for Plugin updates 2000 2001 // Finally, Process any new translations 2002 $language_updates = wp_get_translation_updates(); 2003 if ( $language_updates ) { 2004 foreach ( $language_updates as $update ) { 2005 $this->update( 'translation', $update ); 2006 } 2007 2008 // Clear existing caches 2009 wp_clean_plugins_cache(); 2010 wp_clean_themes_cache(); 2011 delete_site_transient( 'update_core' ); 2012 2013 wp_version_check(); // check for Core updates 2014 wp_update_themes(); // Check for Theme updates 2015 wp_update_plugins(); // Check for Plugin updates 2016 } 2017 2018 // Send debugging email to all development installs. 2019 if ( ! empty( $this->update_results ) ) { 2020 $development_version = false !== strpos( $wp_version, '-' ); 2021 /** 2022 * Filter whether to send a debugging email for each automatic background update. 2023 * 2024 * @since 3.7.0 2025 * @param bool $development_version By default, emails are sent if the install is a development version. 2026 * Return false to avoid the email. 2027 */ 2028 if ( apply_filters( 'automatic_updates_send_debug_email', $development_version ) ) 2029 $this->send_debug_email(); 2030 2031 if ( ! empty( $this->update_results['core'] ) ) 2032 $this->after_core_update( $this->update_results['core'][0] ); 2033 2034 /** 2035 * Action triggered after all automatic updates have run. 2036 * 2037 * @since 3.8.0 2038 * 2039 * @param array $update_results The results of all attempted updates. 2040 */ 2041 do_action( 'automatic_updates_complete', $this->update_results ); 2042 } 2043 2044 // Clear the lock 2045 delete_option( $lock_name ); 2046 } 2047 2048 /** 2049 * If we tried to perform a core update, check if we should send an email, 2050 * and if we need to avoid processing future updates. 2051 * 2052 * @param object $update_result The result of the core update. Includes the update offer and result. 2053 */ 2054 protected function after_core_update( $update_result ) { 2055 global $wp_version; 2056 2057 $core_update = $update_result->item; 2058 $result = $update_result->result; 2059 2060 if ( ! is_wp_error( $result ) ) { 2061 $this->send_email( 'success', $core_update ); 2062 return; 2063 } 2064 2065 $error_code = $result->get_error_code(); 2066 2067 // Any of these WP_Error codes are critical failures, as in they occurred after we started to copy core files. 2068 // We should not try to perform a background update again until there is a successful one-click update performed by the user. 2069 $critical = false; 2070 if ( $error_code === 'disk_full' || false !== strpos( $error_code, '__copy_dir' ) ) { 2071 $critical = true; 2072 } elseif ( $error_code === 'rollback_was_required' && is_wp_error( $result->get_error_data()->rollback ) ) { 2073 // A rollback is only critical if it failed too. 2074 $critical = true; 2075 $rollback_result = $result->get_error_data()->rollback; 2076 } elseif ( false !== strpos( $error_code, 'do_rollback' ) ) { 2077 $critical = true; 2078 } 2079 2080 if ( $critical ) { 2081 $critical_data = array( 2082 'attempted' => $core_update->current, 2083 'current' => $wp_version, 2084 'error_code' => $error_code, 2085 'error_data' => $result->get_error_data(), 2086 'timestamp' => time(), 2087 'critical' => true, 2088 ); 2089 if ( isset( $rollback_result ) ) { 2090 $critical_data['rollback_code'] = $rollback_result->get_error_code(); 2091 $critical_data['rollback_data'] = $rollback_result->get_error_data(); 2092 } 2093 update_site_option( 'auto_core_update_failed', $critical_data ); 2094 $this->send_email( 'critical', $core_update, $result ); 2095 return; 2096 } 2097 2098 /* 2099 * Any other WP_Error code (like download_failed or files_not_writable) occurs before 2100 * we tried to copy over core files. Thus, the failures are early and graceful. 2101 * 2102 * We should avoid trying to perform a background update again for the same version. 2103 * But we can try again if another version is released. 2104 * 2105 * For certain 'transient' failures, like download_failed, we should allow retries. 2106 * In fact, let's schedule a special update for an hour from now. (It's possible 2107 * the issue could actually be on WordPress.org's side.) If that one fails, then email. 2108 */ 2109 $send = true; 2110 $transient_failures = array( 'incompatible_archive', 'download_failed', 'insane_distro' ); 2111 if ( in_array( $error_code, $transient_failures ) && ! get_site_option( 'auto_core_update_failed' ) ) { 2112 wp_schedule_single_event( time() + HOUR_IN_SECONDS, 'wp_maybe_auto_update' ); 2113 $send = false; 2114 } 2115 2116 $n = get_site_option( 'auto_core_update_notified' ); 2117 // Don't notify if we've already notified the same email address of the same version of the same notification type. 2118 if ( $n && 'fail' == $n['type'] && $n['email'] == get_site_option( 'admin_email' ) && $n['version'] == $core_update->current ) 2119 $send = false; 2120 2121 update_site_option( 'auto_core_update_failed', array( 2122 'attempted' => $core_update->current, 2123 'current' => $wp_version, 2124 'error_code' => $error_code, 2125 'error_data' => $result->get_error_data(), 2126 'timestamp' => time(), 2127 'retry' => in_array( $error_code, $transient_failures ), 2128 ) ); 2129 2130 if ( $send ) 2131 $this->send_email( 'fail', $core_update, $result ); 2132 } 2133 2134 /** 2135 * Sends an email upon the completion or failure of a background core update. 2136 * 2137 * @since 3.7.0 2138 * 2139 * @param string $type The type of email to send. Can be one of 'success', 'fail', 'manual', 'critical'. 2140 * @param object $core_update The update offer that was attempted. 2141 * @param mixed $result Optional. The result for the core update. Can be WP_Error. 2142 */ 2143 protected function send_email( $type, $core_update, $result = null ) { 2144 update_site_option( 'auto_core_update_notified', array( 2145 'type' => $type, 2146 'email' => get_site_option( 'admin_email' ), 2147 'version' => $core_update->current, 2148 'timestamp' => time(), 2149 ) ); 2150 2151 $next_user_core_update = get_preferred_from_update_core(); 2152 // If the update transient is empty, use the update we just performed 2153 if ( ! $next_user_core_update ) 2154 $next_user_core_update = $core_update; 2155 $newer_version_available = ( 'upgrade' == $next_user_core_update->response && version_compare( $next_user_core_update->version, $core_update->version, '>' ) ); 2156 2157 /** 2158 * Filter whether to send an email following an automatic background core update. 2159 * 2160 * @since 3.7.0 2161 * 2162 * @param bool $send Whether to send the email. Default true. 2163 * @param string $type The type of email to send. Can be one of 'success', 'fail', 'critical'. 2164 * @param object $core_update The update offer that was attempted. 2165 * @param mixed $result The result for the core update. Can be WP_Error. 2166 */ 2167 if ( 'manual' !== $type && ! apply_filters( 'auto_core_update_send_email', true, $type, $core_update, $result ) ) 2168 return; 2169 2170 switch ( $type ) { 2171 case 'success' : // We updated. 2172 /* translators: 1: Site name, 2: WordPress version number. */ 2173 $subject = __( '[%1$s] Your site has updated to WordPress %2$s' ); 2174 break; 2175 2176 case 'fail' : // We tried to update but couldn't. 2177 case 'manual' : // We can't update (and made no attempt). 2178 /* translators: 1: Site name, 2: WordPress version number. */ 2179 $subject = __( '[%1$s] WordPress %2$s is available. Please update!' ); 2180 break; 2181 2182 case 'critical' : // We tried to update, started to copy files, then things went wrong. 2183 /* translators: 1: Site name. */ 2184 $subject = __( '[%1$s] URGENT: Your site may be down due to a failed update' ); 2185 break; 2186 2187 default : 2188 return; 2189 } 2190 2191 // If the auto update is not to the latest version, say that the current version of WP is available instead. 2192 $version = 'success' === $type ? $core_update->current : $next_user_core_update->current; 2193 $subject = sprintf( $subject, wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), $version ); 2194 2195 $body = ''; 2196 2197 switch ( $type ) { 2198 case 'success' : 2199 $body .= sprintf( __( 'Howdy! Your site at %1$s has been updated automatically to WordPress %2$s.' ), home_url(), $core_update->current ); 2200 $body .= "\n\n"; 2201 if ( ! $newer_version_available ) 2202 $body .= __( 'No further action is needed on your part.' ) . ' '; 2203 2204 // Can only reference the About screen if their update was successful. 2205 list( $about_version ) = explode( '-', $core_update->current, 2 ); 2206 $body .= sprintf( __( "For more on version %s, see the About WordPress screen:" ), $about_version ); 2207 $body .= "\n" . admin_url( 'about.php' ); 2208 2209 if ( $newer_version_available ) { 2210 $body .= "\n\n" . sprintf( __( 'WordPress %s is also now available.' ), $next_user_core_update->current ) . ' '; 2211 $body .= __( 'Updating is easy and only takes a few moments:' ); 2212 $body .= "\n" . network_admin_url( 'update-core.php' ); 2213 } 2214 2215 break; 2216 2217 case 'fail' : 2218 case 'manual' : 2219 $body .= sprintf( __( 'Please update your site at %1$s to WordPress %2$s.' ), home_url(), $next_user_core_update->current ); 2220 2221 $body .= "\n\n"; 2222 2223 // Don't show this message if there is a newer version available. 2224 // Potential for confusion, and also not useful for them to know at this point. 2225 if ( 'fail' == $type && ! $newer_version_available ) 2226 $body .= __( 'We tried but were unable to update your site automatically.' ) . ' '; 2227 2228 $body .= __( 'Updating is easy and only takes a few moments:' ); 2229 $body .= "\n" . network_admin_url( 'update-core.php' ); 2230 break; 2231 2232 case 'critical' : 2233 if ( $newer_version_available ) 2234 $body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update WordPress to version %2$s.' ), home_url(), $core_update->current ); 2235 else 2236 $body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update to the latest version of WordPress, %2$s.' ), home_url(), $core_update->current ); 2237 2238 $body .= "\n\n" . __( "This means your site may be offline or broken. Don't panic; this can be fixed." ); 2239 2240 $body .= "\n\n" . __( "Please check out your site now. It's possible that everything is working. If it says you need to update, you should do so:" ); 2241 $body .= "\n" . network_admin_url( 'update-core.php' ); 2242 break; 2243 } 2244 2245 // Updates are important! 2246 if ( $type != 'success' || $newer_version_available ) 2247 $body .= "\n\n" . __( 'Keeping your site updated is important for security. It also makes the internet a safer place for you and your readers.' ); 2248 2249 // Add a note about the support forums to all emails. 2250 $body .= "\n\n" . __( 'If you experience any issues or need support, the volunteers in the WordPress.org support forums may be able to help.' ); 2251 $body .= "\n" . __( 'http://wordpress.org/support/' ); 2252 2253 // If things are successful and we're now on the latest, mention plugins and themes if any are out of date. 2254 if ( $type == 'success' && ! $newer_version_available && ( get_plugin_updates() || get_theme_updates() ) ) { 2255 $body .= "\n\n" . __( 'You also have some plugins or themes with updates available. Update them now:' ); 2256 $body .= "\n" . network_admin_url(); 2257 } 2258 2259 $body .= "\n\n" . __( 'The WordPress Team' ) . "\n"; 2260 2261 if ( 'critical' == $type && is_wp_error( $result ) ) { 2262 $body .= "\n***\n\n"; 2263 $body .= sprintf( __( 'Your site was running version %s.' ), $GLOBALS['wp_version'] ); 2264 $body .= ' ' . __( 'We have some data that describes the error your site encountered.' ); 2265 $body .= ' ' . __( 'Your hosting company, support forum volunteers, or a friendly developer may be able to use this information to help you:' ); 2266 2267 // If we had a rollback and we're still critical, then the rollback failed too. 2268 // Loop through all errors (the main WP_Error, the update result, the rollback result) for code, data, etc. 2269 if ( 'rollback_was_required' == $result->get_error_code() ) 2270 $errors = array( $result, $result->get_error_data()->update, $result->get_error_data()->rollback ); 2271 else 2272 $errors = array( $result ); 2273 2274 foreach ( $errors as $error ) { 2275 if ( ! is_wp_error( $error ) ) 2276 continue; 2277 $error_code = $error->get_error_code(); 2278 $body .= "\n\n" . sprintf( __( "Error code: %s" ), $error_code ); 2279 if ( 'rollback_was_required' == $error_code ) 2280 continue; 2281 if ( $error->get_error_message() ) 2282 $body .= "\n" . $error->get_error_message(); 2283 $error_data = $error->get_error_data(); 2284 if ( $error_data ) 2285 $body .= "\n" . implode( ', ', (array) $error_data ); 2286 } 2287 $body .= "\n"; 2288 } 2289 2290 $to = get_site_option( 'admin_email' ); 2291 $headers = ''; 2292 2293 $email = compact( 'to', 'subject', 'body', 'headers' ); 2294 /** 2295 * Filter the email sent following an automatic background core update. 2296 * 2297 * @since 3.7.0 2298 * 2299 * @param array $email { 2300 * Array of email arguments that will be passed to wp_mail(). 2301 * 2302 * @type string $to The email recipient. An array of emails can be returned, as handled by wp_mail(). 2303 * @type string $subject The email's subject. 2304 * @type string $body The email message body. 2305 * @type string $headers Any email headers, defaults to no headers. 2306 * } 2307 * @param string $type The type of email being sent. Can be one of 'success', 'fail', 'manual', 'critical'. 2308 * @param object $core_update The update offer that was attempted. 2309 * @param mixed $result The result for the core update. Can be WP_Error. 2310 */ 2311 $email = apply_filters( 'auto_core_update_email', $email, $type, $core_update, $result ); 2312 2313 wp_mail( $email['to'], $email['subject'], $email['body'], $email['headers'] ); 2314 } 2315 2316 /** 2317 * Prepares and sends an email of a full log of background update results, useful for debugging and geekery. 2318 * 2319 * @since 3.7.0 2320 */ 2321 protected function send_debug_email() { 2322 $update_count = 0; 2323 foreach ( $this->update_results as $type => $updates ) 2324 $update_count += count( $updates ); 2325 2326 $body = array(); 2327 $failures = 0; 2328 2329 $body[] = sprintf( __( 'WordPress site: %s' ), network_home_url( '/' ) ); 2330 2331 // Core 2332 if ( isset( $this->update_results['core'] ) ) { 2333 $result = $this->update_results['core'][0]; 2334 if ( $result->result && ! is_wp_error( $result->result ) ) { 2335 $body[] = sprintf( __( 'SUCCESS: WordPress was successfully updated to %s' ), $result->name ); 2336 } else { 2337 $body[] = sprintf( __( 'FAILED: WordPress failed to update to %s' ), $result->name ); 2338 $failures++; 2339 } 2340 $body[] = ''; 2341 } 2342 2343 // Plugins, Themes, Translations 2344 foreach ( array( 'plugin', 'theme', 'translation' ) as $type ) { 2345 if ( ! isset( $this->update_results[ $type ] ) ) 2346 continue; 2347 $success_items = wp_list_filter( $this->update_results[ $type ], array( 'result' => true ) ); 2348 if ( $success_items ) { 2349 $messages = array( 2350 'plugin' => __( 'The following plugins were successfully updated:' ), 2351 'theme' => __( 'The following themes were successfully updated:' ), 2352 'translation' => __( 'The following translations were successfully updated:' ), 2353 ); 2354 2355 $body[] = $messages[ $type ]; 2356 foreach ( wp_list_pluck( $success_items, 'name' ) as $name ) { 2357 $body[] = ' * ' . sprintf( __( 'SUCCESS: %s' ), $name ); 2358 } 2359 } 2360 if ( $success_items != $this->update_results[ $type ] ) { 2361 // Failed updates 2362 $messages = array( 2363 'plugin' => __( 'The following plugins failed to update:' ), 2364 'theme' => __( 'The following themes failed to update:' ), 2365 'translation' => __( 'The following translations failed to update:' ), 2366 ); 2367 2368 $body[] = $messages[ $type ]; 2369 foreach ( $this->update_results[ $type ] as $item ) { 2370 if ( ! $item->result || is_wp_error( $item->result ) ) { 2371 $body[] = ' * ' . sprintf( __( 'FAILED: %s' ), $item->name ); 2372 $failures++; 2373 } 2374 } 2375 } 2376 $body[] = ''; 2377 } 2378 2379 $site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES ); 2380 if ( $failures ) { 2381 $body[] = __( " 2382 BETA TESTING? 2383 ============= 2384 2385 This debugging email is sent when you are using a development version of WordPress. 2386 2387 If you think these failures might be due to a bug in WordPress, could you report it? 2388 * Open a thread in the support forums: http://wordpress.org/support/forum/alphabeta 2389 * Or, if you're comfortable writing a bug report: http://core.trac.wordpress.org/ 2390 2391 Thanks! -- The WordPress Team" ); 2392 2393 $subject = sprintf( __( '[%s] There were failures during background updates' ), $site_title ); 2394 } else { 2395 $subject = sprintf( __( '[%s] Background updates have finished' ), $site_title ); 2396 } 2397 2398 $body[] = __( 'UPDATE LOG' ); 2399 $body[] = '=========='; 2400 $body[] = ''; 2401 2402 foreach ( array( 'core', 'plugin', 'theme', 'translation' ) as $type ) { 2403 if ( ! isset( $this->update_results[ $type ] ) ) 2404 continue; 2405 foreach ( $this->update_results[ $type ] as $update ) { 2406 $body[] = $update->name; 2407 $body[] = str_repeat( '-', strlen( $update->name ) ); 2408 foreach ( $update->messages as $message ) 2409 $body[] = " " . html_entity_decode( str_replace( '…', '...', $message ) ); 2410 if ( is_wp_error( $update->result ) ) { 2411 $results = array( 'update' => $update->result ); 2412 // If we rolled back, we want to know an error that occurred then too. 2413 if ( 'rollback_was_required' === $update->result->get_error_code() ) 2414 $results = (array) $update->result->get_error_data(); 2415 foreach ( $results as $result_type => $result ) { 2416 if ( ! is_wp_error( $result ) ) 2417 continue; 2418 2419 if ( 'rollback' === $result_type ) { 2420 /* translators: 1: Error code, 2: Error message. */ 2421 $body[] = ' ' . sprintf( __( 'Rollback Error: [%1$s] %2$s' ), $result->get_error_code(), $result->get_error_message() ); 2422 } else { 2423 /* translators: 1: Error code, 2: Error message. */ 2424 $body[] = ' ' . sprintf( __( 'Error: [%1$s] %2$s' ), $result->get_error_code(), $result->get_error_message() ); 2425 } 2426 2427 if ( $result->get_error_data() ) 2428 $body[] = ' ' . implode( ', ', (array) $result->get_error_data() ); 2429 } 2430 } 2431 $body[] = ''; 2432 } 2433 } 2434 2435 $email = array( 2436 'to' => get_site_option( 'admin_email' ), 2437 'subject' => $subject, 2438 'body' => implode( "\n", $body ), 2439 'headers' => '' 2440 ); 2441 2442 /** 2443 * Filter the debug email that can be sent following an automatic background core update. 2444 * 2445 * @since 3.8.0 2446 * 2447 * @param array $email { 2448 * Array of email arguments that will be passed to wp_mail(). 2449 * 2450 * @type string $to The email recipient. An array of emails can be returned, 2451 * as handled by wp_mail(). 2452 * @type string $subject Email subject. 2453 * @type string $body Email message body. 2454 * @type string $headers Any email headers. Default empty. 2455 * } 2456 * @param int $failures The number of failures encountered while upgrading. 2457 * @param mixed $results The results of all attempted updates. 2458 */ 2459 $email = apply_filters( 'automatic_updates_debug_email', $email, $failures, $this->update_results ); 2460 2461 wp_mail( $email['to'], $email['subject'], $email['body'], $email['headers'] ); 2462 } 2463 }
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| Generated: Tue Mar 25 01:41:18 2014 | WordPress honlapkészítés: online1.hu |