/wp-admin/includes/update.php
PHP | 506 lines | 259 code | 78 blank | 169 comment | 78 complexity | b93bcc52aae6fb805f634031199d0bf1 MD5 | raw file
- <?php
- /**
- * WordPress Administration Update API
- *
- * @package WordPress
- * @subpackage Administration
- */
- /**
- * Selects the first update version from the update_core option.
- *
- * @return object|array|false The response from the API on success, false on failure.
- */
- 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-dismissed updates.
- * @return array|false Array of the update objects on success, false on failure.
- */
- 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 ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) )
- return false;
- $updates = $from_api->updates;
- $result = array();
- foreach ( $updates as $update ) {
- if ( $update->response == 'autoupdate' )
- continue;
- 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;
- }
- /**
- * Gets the best available (and enabled) Auto-Update for WordPress Core.
- *
- * If there's 1.2.3 and 1.3 on offer, it'll choose 1.3 if the install allows it, else, 1.2.3
- *
- * @since 3.7.0
- *
- * @return array|false False on failure, otherwise the core update offering.
- */
- function find_core_auto_update() {
- $updates = get_site_transient( 'update_core' );
- if ( ! $updates || empty( $updates->updates ) )
- return false;
- include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
- $auto_update = false;
- $upgrader = new WP_Automatic_Updater;
- foreach ( $updates->updates as $update ) {
- if ( 'autoupdate' != $update->response )
- continue;
- if ( ! $upgrader->should_update( 'core', $update, ABSPATH ) )
- continue;
- if ( ! $auto_update || version_compare( $update->current, $auto_update->current, '>' ) )
- $auto_update = $update;
- }
- return $auto_update;
- }
- /**
- * Gets and caches the checksums for the given version of WordPress.
- *
- * @since 3.7.0
- *
- * @param string $version Version string to query.
- * @param string $locale Locale to query.
- * @return bool|array False on failure. An array of checksums on success.
- */
- function get_core_checksums( $version, $locale ) {
- $url = $http_url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query( compact( 'version', 'locale' ), null, '&' );
- if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
- $url = set_url_scheme( $url, 'https' );
- $options = array(
- 'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3 ),
- );
- $response = wp_remote_get( $url, $options );
- if ( $ssl && is_wp_error( $response ) ) {
- trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
- $response = wp_remote_get( $http_url, $options );
- }
- if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
- return false;
- $body = trim( wp_remote_retrieve_body( $response ) );
- $body = json_decode( $body, true );
- if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) )
- return false;
- return $body['checksums'];
- }
- /**
- *
- * @param object $update
- * @return bool
- */
- 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 );
- }
- /**
- *
- * @param string $version
- * @param string $locale
- * @return bool
- */
- 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 );
- }
- /**
- *
- * @param string $version
- * @param string $locale
- * @return object|false
- */
- function find_core_update( $version, $locale ) {
- $from_api = get_site_transient( 'update_core' );
- if ( ! isset( $from_api->updates ) || ! 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;
- }
- /**
- *
- * @param string $msg
- * @return string
- */
- function core_update_footer( $msg = '' ) {
- if ( !current_user_can('update_core') )
- return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
- $cur = get_preferred_from_update_core();
- if ( ! is_object( $cur ) )
- $cur = new stdClass;
- 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>.' ), get_bloginfo( 'version', 'display' ), network_admin_url( 'update-core.php' ) );
- case 'upgrade' :
- return '<strong><a href="' . network_admin_url( 'update-core.php' ) . '">' . sprintf( __( 'Get Version %s' ), $cur->current ) . '</a></strong>';
- case 'latest' :
- default :
- return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
- }
- }
- /**
- *
- * @global string $pagenow
- * @return false|void
- */
- 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') ) {
- $msg = sprintf( __('<a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! <a href="%2$s">Please update now</a>.'), $cur->current, network_admin_url( 'update-core.php' ) );
- } else {
- $msg = sprintf( __('<a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! Please notify the site administrator.'), $cur->current );
- }
- echo "<div class='update-nag'>$msg</div>";
- }
- // Called directly from dashboard
- function update_right_now_message() {
- $theme_name = wp_get_theme();
- if ( current_user_can( 'switch_themes' ) ) {
- $theme_name = sprintf( '<a href="themes.php">%1$s</a>', $theme_name );
- }
- $msg = '';
- if ( current_user_can('update_core') ) {
- $cur = get_preferred_from_update_core();
- if ( isset( $cur->response ) && $cur->response == 'upgrade' )
- $msg .= '<a href="' . network_admin_url( 'update-core.php' ) . '" class="button" aria-describedby="wp-version">' . sprintf( __( 'Update to %s' ), $cur->current ? $cur->current : __( 'Latest' ) ) . '</a> ';
- }
- /* translators: 1: version number, 2: theme name */
- $content = __( 'WordPress %1$s running %2$s theme.' );
- /**
- * Filter the text displayed in the 'At a Glance' dashboard widget.
- *
- * Prior to 3.8.0, the widget was named 'Right Now'.
- *
- * @since 4.4.0
- *
- * @param string $content Default text.
- */
- $content = apply_filters( 'update_right_now_text', $content );
- $msg .= sprintf( '<span id="wp-version">' . $content . '</span>', get_bloginfo( 'version', 'display' ), $theme_name );
- echo "<p id='wp-version-message'>$msg</p>";
- }
- /**
- * @since 2.9.0
- *
- * @return array
- */
- 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;
- }
- /**
- * @since 2.9.0
- */
- 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 );
- }
- }
- }
- /**
- *
- * @param string $file
- * @param array $plugin_data
- * @return false|void
- */
- 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 = self_admin_url('plugin-install.php?tab=plugin-information&plugin=' . $r->slug . '§ion=changelog&TB_iframe=true&width=600&height=800');
- $wp_list_table = _get_list_table('WP_Plugins_List_Table');
- if ( is_network_admin() || !is_multisite() ) {
- if ( is_network_admin() ) {
- $active_class = is_plugin_active_for_network( $file ) ? ' active': '';
- } else {
- $active_class = is_plugin_active( $file ) ? ' active' : '';
- }
- echo '<tr class="plugin-update-tr' . $active_class . '" id="' . esc_attr( $r->slug . '-update' ) . '" data-slug="' . esc_attr( $r->slug ) . '" data-plugin="' . esc_attr( $file ) . '"><td colspan="' . esc_attr( $wp_list_table->get_column_count() ) . '" class="plugin-update colspanchange"><div class="update-message">';
- if ( ! current_user_can( 'update_plugins' ) ) {
- printf( __('There is a new version of %1$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), $r->new_version );
- } elseif ( empty($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 update is 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" class="update-link">update now</a>.' ), $plugin_name, esc_url( $details_url ), esc_attr( $plugin_name ), $r->new_version, wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' ) . $file, 'upgrade-plugin_' . $file ) );
- }
- /**
- * Fires at the end of the update message container in each
- * row of the plugins list table.
- *
- * The dynamic portion of the hook name, `$file`, refers to the path
- * of the plugin's primary file relative to the plugins directory.
- *
- * @since 2.8.0
- *
- * @param array $plugin_data {
- * An array of plugin metadata.
- *
- * @type string $name The human-readable name of the plugin.
- * @type string $plugin_uri Plugin URI.
- * @type string $version Plugin version.
- * @type string $description Plugin description.
- * @type string $author Plugin author.
- * @type string $author_uri Plugin author URI.
- * @type string $text_domain Plugin text domain.
- * @type string $domain_path Relative path to the plugin's .mo file(s).
- * @type bool $network Whether the plugin can only be activated network wide.
- * @type string $title The human-readable title of the plugin.
- * @type string $author_name Plugin author's name.
- * @type bool $update Whether there's an available update. Default null.
- * }
- * @param array $r {
- * An array of metadata about the available plugin update.
- *
- * @type int $id Plugin ID.
- * @type string $slug Plugin slug.
- * @type string $new_version New plugin version.
- * @type string $url Plugin URL.
- * @type string $package Plugin update package URL.
- * }
- */
- do_action( "in_plugin_update_message-{$file}", $plugin_data, $r );
- echo '</div></td></tr>';
- }
- }
- /**
- *
- * @return array
- */
- function get_theme_updates() {
- $current = get_site_transient('update_themes');
- if ( ! isset( $current->response ) )
- return array();
- $update_themes = array();
- foreach ( $current->response as $stylesheet => $data ) {
- $update_themes[ $stylesheet ] = wp_get_theme( $stylesheet );
- $update_themes[ $stylesheet ]->update = $data;
- }
- return $update_themes;
- }
- /**
- * @since 3.1.0
- */
- function wp_theme_update_rows() {
- if ( !current_user_can('update_themes' ) )
- return;
- $themes = get_site_transient( 'update_themes' );
- if ( isset($themes->response) && is_array($themes->response) ) {
- $themes = array_keys( $themes->response );
- foreach ( $themes as $theme ) {
- add_action( "after_theme_row_$theme", 'wp_theme_update_row', 10, 2 );
- }
- }
- }
- /**
- *
- * @param string $theme_key
- * @param WP_Theme $theme
- * @return false|void
- */
- function wp_theme_update_row( $theme_key, $theme ) {
- $current = get_site_transient( 'update_themes' );
- if ( !isset( $current->response[ $theme_key ] ) )
- return false;
- $r = $current->response[ $theme_key ];
- $details_url = add_query_arg( array( 'TB_iframe' => 'true', 'width' => 1024, 'height' => 800 ), $current->response[ $theme_key ]['url'] );
- $wp_list_table = _get_list_table('WP_MS_Themes_List_Table');
- echo '<tr class="plugin-update-tr"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"><div class="update-message">';
- if ( ! current_user_can('update_themes') ) {
- printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>.'), $theme['Name'], esc_url($details_url), esc_attr($theme['Name']), $r->new_version );
- } elseif ( 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 update is unavailable for this theme.</em>'), $theme['Name'], esc_url($details_url), esc_attr($theme['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">update now</a>.'), $theme['Name'], esc_url($details_url), esc_attr($theme['Name']), $r['new_version'], wp_nonce_url( self_admin_url('update.php?action=upgrade-theme&theme=') . $theme_key, 'upgrade-theme_' . $theme_key) );
- }
- /**
- * Fires at the end of the update message container in each
- * row of the themes list table.
- *
- * The dynamic portion of the hook name, `$theme_key`, refers to
- * the theme slug as found in the WordPress.org themes repository.
- *
- * @since 3.1.0
- *
- * @param WP_Theme $theme The WP_Theme object.
- * @param array $r {
- * An array of metadata about the available theme update.
- *
- * @type string $new_version New theme version.
- * @type string $url Theme URL.
- * @type string $package Theme update package URL.
- * }
- */
- do_action( "in_theme_update_message-{$theme_key}", $theme, $r );
- echo '</div></td></tr>';
- }
- /**
- *
- * @global int $upgrading
- * @return false|void
- */
- function maintenance_nag() {
- include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
- global $upgrading;
- $nag = isset( $upgrading );
- if ( ! $nag ) {
- $failed = get_site_option( 'auto_core_update_failed' );
- /*
- * If an update failed critically, we may have copied over version.php but not other files.
- * In that case, if the install claims we're running the version we attempted, nag.
- * This is serious enough to err on the side of nagging.
- *
- * If we simply failed to update before we tried to copy any files, then assume things are
- * OK if they are now running the latest.
- *
- * This flag is cleared whenever a successful update occurs using Core_Upgrader.
- */
- $comparison = ! empty( $failed['critical'] ) ? '>=' : '>';
- if ( version_compare( $failed['attempted'], $wp_version, $comparison ) )
- $nag = true;
- }
- if ( ! $nag )
- 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>";
- }