/www/blog/wp-admin/includes/update.php
PHP | 267 lines | 196 code | 51 blank | 20 comment | 52 complexity | 80fbb0b28eb8537d95b4d040b30411d7 MD5 | raw file
Possible License(s): MIT, LGPL-2.1, MPL-2.0-no-copyleft-exception, GPL-3.0, AGPL-1.0
- <?php
- /**
- * WordPress Administration Update API
- *
- * @package WordPress
- * @subpackage Administration
- */
-
- // The admin side of our 1.1 update system
-
- /**
- * Selects the first update version from the update_core option
- *
- * @return object the response from the API
- */
- function get_preferred_from_update_core() {
- $updates = get_core_updates();
- if ( !is_array( $updates ) )
- return false;
- if ( empty( $updates ) )
- return (object)array('response' => 'latest');
- return $updates[0];
- }
-
- /**
- * Get available core updates
- *
- * @param array $options Set $options['dismissed'] to true to show dismissed upgrades too,
- * set $options['available'] to false to skip not-dimissed updates.
- * @return array Array of the update objects
- */
- function get_core_updates( $options = array() ) {
- $options = array_merge( array('available' => true, 'dismissed' => false ), $options );
- $dismissed = get_site_option( 'dismissed_update_core' );
- if ( !is_array( $dismissed ) ) $dismissed = array();
- $from_api = get_site_transient( 'update_core' );
- if ( empty($from_api) )
- return false;
- if ( !isset( $from_api->updates ) || !is_array( $from_api->updates ) ) return false;
- $updates = $from_api->updates;
- if ( !is_array( $updates ) ) return false;
- $result = array();
- foreach($updates as $update) {
- if ( array_key_exists( $update->current.'|'.$update->locale, $dismissed ) ) {
- if ( $options['dismissed'] ) {
- $update->dismissed = true;
- $result[]= $update;
- }
- } else {
- if ( $options['available'] ) {
- $update->dismissed = false;
- $result[]= $update;
- }
- }
- }
- return $result;
- }
-
- function dismiss_core_update( $update ) {
- $dismissed = get_site_option( 'dismissed_update_core' );
- $dismissed[ $update->current.'|'.$update->locale ] = true;
- return update_site_option( 'dismissed_update_core', $dismissed );
- }
-
- function undismiss_core_update( $version, $locale ) {
- $dismissed = get_site_option( 'dismissed_update_core' );
- $key = $version.'|'.$locale;
- if ( !isset( $dismissed[$key] ) ) return false;
- unset( $dismissed[$key] );
- return update_site_option( 'dismissed_update_core', $dismissed );
- }
-
- function find_core_update( $version, $locale ) {
- $from_api = get_site_transient( 'update_core' );
- if ( !is_array( $from_api->updates ) ) return false;
- $updates = $from_api->updates;
- foreach($updates as $update) {
- if ( $update->current == $version && $update->locale == $locale )
- return $update;
- }
- return false;
- }
-
- function core_update_footer( $msg = '' ) {
- if ( is_multisite() && !current_user_can('update_core') )
- return false;
-
- if ( !current_user_can('update_core') )
- return sprintf( __( 'Version %s' ), $GLOBALS['wp_version'] );
-
- $cur = get_preferred_from_update_core();
- if ( ! isset( $cur->current ) )
- $cur->current = '';
-
- if ( ! isset( $cur->url ) )
- $cur->url = '';
-
- if ( ! isset( $cur->response ) )
- $cur->response = '';
-
- switch ( $cur->response ) {
- case 'development' :
- return sprintf( __( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ), $GLOBALS['wp_version'], 'update-core.php');
- break;
-
- case 'upgrade' :
- return sprintf( '<strong>'.__( '<a href="%1$s">Get Version %2$s</a>' ).'</strong>', 'update-core.php', $cur->current);
- break;
-
- case 'latest' :
- default :
- return sprintf( __( 'Version %s' ), $GLOBALS['wp_version'] );
- break;
- }
- }
- add_filter( 'update_footer', 'core_update_footer' );
-
- function update_nag() {
- if ( is_multisite() && !current_user_can('update_core') )
- return false;
-
- global $pagenow;
-
- if ( 'update-core.php' == $pagenow )
- return;
-
- $cur = get_preferred_from_update_core();
-
- if ( ! isset( $cur->response ) || $cur->response != 'upgrade' )
- return false;
-
- if ( current_user_can('update_core') )
- $msg = sprintf( __('<a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! <a href="%2$s">Please update now</a>.'), $cur->current, 'update-core.php' );
- else
- $msg = sprintf( __('<a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! Please notify the site administrator.'), $cur->current );
-
- echo "<div class='update-nag'>$msg</div>";
- }
- add_action( 'admin_notices', 'update_nag', 3 );
-
- // Called directly from dashboard
- function update_right_now_message() {
- if ( is_multisite() && !current_user_can('update_core') )
- return false;
-
- $cur = get_preferred_from_update_core();
-
- $msg = sprintf( __('You are using <span class="b">WordPress %s</span>.'), $GLOBALS['wp_version'] );
- if ( isset( $cur->response ) && $cur->response == 'upgrade' && current_user_can('update_core') )
- $msg .= " <a href='update-core.php' class='button'>" . sprintf( __('Update to %s'), $cur->current ? $cur->current : __( 'Latest' ) ) . '</a>';
-
- echo "<span id='wp-version-message'>$msg</span>";
- }
-
- function get_plugin_updates() {
- $all_plugins = get_plugins();
- $upgrade_plugins = array();
- $current = get_site_transient( 'update_plugins' );
- foreach ( (array)$all_plugins as $plugin_file => $plugin_data) {
- if ( isset( $current->response[ $plugin_file ] ) ) {
- $upgrade_plugins[ $plugin_file ] = (object) $plugin_data;
- $upgrade_plugins[ $plugin_file ]->update = $current->response[ $plugin_file ];
- }
- }
-
- return $upgrade_plugins;
- }
-
- function wp_plugin_update_rows() {
- if ( !current_user_can('update_plugins' ) )
- return;
-
- $plugins = get_site_transient( 'update_plugins' );
- if ( isset($plugins->response) && is_array($plugins->response) ) {
- $plugins = array_keys( $plugins->response );
- foreach( $plugins as $plugin_file ) {
- add_action( "after_plugin_row_$plugin_file", 'wp_plugin_update_row', 10, 2 );
- }
- }
- }
- add_action( 'admin_init', 'wp_plugin_update_rows' );
-
- function wp_plugin_update_row( $file, $plugin_data ) {
- $current = get_site_transient( 'update_plugins' );
- if ( !isset( $current->response[ $file ] ) )
- return false;
-
- $r = $current->response[ $file ];
-
- $plugins_allowedtags = array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array());
- $plugin_name = wp_kses( $plugin_data['Name'], $plugins_allowedtags );
-
- $details_url = admin_url('plugin-install.php?tab=plugin-information&plugin=' . $r->slug . '&TB_iframe=true&width=600&height=800');
-
- echo '<tr class="plugin-update-tr"><td colspan="3" class="plugin-update"><div class="update-message">';
- if ( ! current_user_can('update_plugins') )
- printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s Details</a>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version );
- else if ( empty($r->package) )
- printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s Details</a> <em>automatic upgrade unavailable for this plugin</em>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version );
- else
- printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s Details</a> or <a href="%5$s">upgrade automatically</a>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version, wp_nonce_url('update.php?action=upgrade-plugin&plugin=' . $file, 'upgrade-plugin_' . $file) );
-
- do_action( "in_plugin_update_message-$file", $plugin_data, $r );
-
- echo '</div></td></tr>';
- }
-
- function wp_update_plugin($plugin, $feedback = '') {
- if ( !empty($feedback) )
- add_filter('update_feedback', $feedback);
-
- include ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
- $upgrader = new Plugin_Upgrader();
- return $upgrader->upgrade($plugin);
- }
-
- function get_theme_updates() {
- $themes = get_themes();
- $current = get_site_transient('update_themes');
- $update_themes = array();
-
- foreach ( $themes as $theme ) {
- $theme = (object) $theme;
- if ( isset($current->response[ $theme->Stylesheet ]) ) {
- $update_themes[$theme->Stylesheet] = $theme;
- $update_themes[$theme->Stylesheet]->update = $current->response[ $theme->Stylesheet ];
- }
- }
-
- return $update_themes;
- }
-
- function wp_update_theme($theme, $feedback = '') {
- if ( !empty($feedback) )
- add_filter('update_feedback', $feedback);
-
- include ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
- $upgrader = new Theme_Upgrader();
- return $upgrader->upgrade($theme);
- }
-
-
- function wp_update_core($current, $feedback = '') {
- if ( !empty($feedback) )
- add_filter('update_feedback', $feedback);
-
- include ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
- $upgrader = new Core_Upgrader();
- return $upgrader->upgrade($current);
-
- }
-
- function maintenance_nag() {
- global $upgrading;
- if ( ! isset( $upgrading ) )
- return false;
-
- if ( current_user_can('update_core') )
- $msg = sprintf( __('An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.'), 'update-core.php' );
- else
- $msg = __('An automated WordPress update has failed to complete! Please notify the site administrator.');
-
- echo "<div class='update-nag'>$msg</div>";
- }
- add_action( 'admin_notices', 'maintenance_nag' );
-
- ?>