~canonical-sysadmins/wordpress/4.7.2

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 );

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$response = wp_remote_get( $http_url, $options );

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}

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if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )

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return false;

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$body = trim( wp_remote_retrieve_body( $response ) );

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$body = json_decode( $body, true );

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if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) )

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return false;

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return $body['checksums'];

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}

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function dismiss_core_update( $update ) {

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$dismissed = get_site_option( 'dismissed_update_core' );

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$dismissed[ $update->current . '|' . $update->locale ] = true;

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return update_site_option( 'dismissed_update_core', $dismissed );

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}

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function undismiss_core_update( $version, $locale ) {

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$dismissed = get_site_option( 'dismissed_update_core' );

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$key = $version . '|' . $locale;

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if ( ! isset( $dismissed[$key] ) )

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return false;

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unset( $dismissed[$key] );

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return update_site_option( 'dismissed_update_core', $dismissed );

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}

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function find_core_update( $version, $locale ) {

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$from_api = get_site_transient( 'update_core' );

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if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) )

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return false;

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$updates = $from_api->updates;

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foreach ( $updates as $update ) {

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if ( $update->current == $version && $update->locale == $locale )

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return $update;

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}

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return false;

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}

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function core_update_footer( $msg = '' ) {

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if ( !current_user_can('update_core') )

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return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );

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$cur = get_preferred_from_update_core();

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if ( ! is_object( $cur ) )

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$cur = new stdClass;

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if ( ! isset( $cur->current ) )

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$cur->current = '';

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if ( ! isset( $cur->url ) )

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$cur->url = '';

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if ( ! isset( $cur->response ) )

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$cur->response = '';

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switch ( $cur->response ) {

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case 'development' :

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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' ) );

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case 'upgrade' :

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return sprintf( '<strong>'.__( '<a href="%1$s">Get Version %2$s</a>' ).'</strong>', network_admin_url( 'update-core.php' ), $cur->current);

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case 'latest' :

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default :

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return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );

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}

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}

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add_filter( 'update_footer', 'core_update_footer' );

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function update_nag() {

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if ( is_multisite() && !current_user_can('update_core') )

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return false;

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global $pagenow;

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if ( 'update-core.php' == $pagenow )

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return;

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$cur = get_preferred_from_update_core();

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if ( ! isset( $cur->response ) || $cur->response != 'upgrade' )

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return false;

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if ( current_user_can('update_core') ) {

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$msg = sprintf( __('<a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! <a href="%2$s">Please update now</a>.'), $cur->current, network_admin_url( 'update-core.php' ) );

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} else {

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$msg = sprintf( __('<a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! Please notify the site administrator.'), $cur->current );

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}

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echo "<div class='update-nag'>$msg</div>";

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}

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add_action( 'admin_notices', 'update_nag', 3 );

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add_action( 'network_admin_notices', 'update_nag', 3 );

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// Called directly from dashboard

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function update_right_now_message() {

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$theme_name = wp_get_theme();

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if ( current_user_can( 'switch_themes' ) ) {

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$theme_name = sprintf( '<a href="themes.php">%1$s</a>', $theme_name );

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}

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$msg = sprintf( __( 'WordPress %1$s running %2$s theme.' ), get_bloginfo( 'version', 'display' ), $theme_name );

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if ( current_user_can('update_core') ) {

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$cur = get_preferred_from_update_core();

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if ( isset( $cur->response ) && $cur->response == 'upgrade' )

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$msg .= " <a href='" . network_admin_url( 'update-core.php' ) . "' class='button'>" . sprintf( __('Update to %s'), $cur->current ? $cur->current : __( 'Latest' ) ) . '</a>';

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}

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echo "<p id='wp-version-message'>$msg</p>";

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}

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function get_plugin_updates() {

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$all_plugins = get_plugins();

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$upgrade_plugins = array();

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$current = get_site_transient( 'update_plugins' );

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foreach ( (array)$all_plugins as $plugin_file => $plugin_data) {

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if ( isset( $current->response[ $plugin_file ] ) ) {

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$upgrade_plugins[ $plugin_file ] = (object) $plugin_data;

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$upgrade_plugins[ $plugin_file ]->update = $current->response[ $plugin_file ];

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}

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}

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return $upgrade_plugins;

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}

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function wp_plugin_update_rows() {

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if ( !current_user_can('update_plugins' ) )

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return;

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$plugins = get_site_transient( 'update_plugins' );

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if ( isset($plugins->response) && is_array($plugins->response) ) {

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$plugins = array_keys( $plugins->response );

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foreach( $plugins as $plugin_file ) {

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add_action( "after_plugin_row_$plugin_file", 'wp_plugin_update_row', 10, 2 );

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}

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}

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}

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add_action( 'admin_init', 'wp_plugin_update_rows' );

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function wp_plugin_update_row( $file, $plugin_data ) {

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$current = get_site_transient( 'update_plugins' );

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if ( !isset( $current->response[ $file ] ) )

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return false;

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$r = $current->response[ $file ];

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$plugins_allowedtags = array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array());

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$plugin_name = wp_kses( $plugin_data['Name'], $plugins_allowedtags );

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$details_url = self_admin_url('plugin-install.php?tab=plugin-information&plugin=' . $r->slug . '&section=changelog&TB_iframe=true&width=600&height=800');

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$wp_list_table = _get_list_table('WP_Plugins_List_Table');

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if ( is_network_admin() || !is_multisite() ) {

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echo '<tr class="plugin-update-tr"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"><div class="update-message">';

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if ( ! current_user_can('update_plugins') )

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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 );

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else if ( empty($r->package) )

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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 );

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else

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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>.'), $plugin_name, esc_url($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) );

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/**

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* Fires at the end of the update message container in each

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* row of the plugins list table.

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* The dynamic portion of the hook name, $file, refers to the path

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* of the plugin's primary file relative to the plugins directory.

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* @since 2.8.0

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* @param array $plugin_data {

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* An array of plugin metadata.

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* @type string $name The human-readable name of the plugin.

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* @type string $plugin_uri Plugin URI.

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* @type string $version Plugin version.

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* @type string $description Plugin description.

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* @type string $author Plugin author.

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* @type string $author_uri Plugin author URI.

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* @type string $text_domain Plugin text domain.

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* @type string $domain_path Relative path to the plugin's .mo file(s).

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* @type bool $network Whether the plugin can only be activated network wide.

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* @type string $title The human-readable title of the plugin.

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* @type string $author_name Plugin author's name.

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* @type bool $update Whether there's an available update. Default null.

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* }

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* @param array $r {

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* An array of metadata about the available plugin update.

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* @type int $id Plugin ID.

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* @type string $slug Plugin slug.

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* @type string $new_version New plugin version.

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* @type string $url Plugin URL.

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* @type string $package Plugin update package URL.

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* }

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do_action( "in_plugin_update_message-{$file}", $plugin_data, $r );

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echo '</div></td></tr>';

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}

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}

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function get_theme_updates() {

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$current = get_site_transient('update_themes');

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if ( ! isset( $current->response ) )

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return array();

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$update_themes = array();

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foreach ( $current->response as $stylesheet => $data ) {

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$update_themes[ $stylesheet ] = wp_get_theme( $stylesheet );

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$update_themes[ $stylesheet ]->update = $data;

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}

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return $update_themes;

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}

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function wp_theme_update_rows() {

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if ( !current_user_can('update_themes' ) )

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return;

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$themes = get_site_transient( 'update_themes' );

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if ( isset($themes->response) && is_array($themes->response) ) {

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$themes = array_keys( $themes->response );

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foreach( $themes as $theme ) {

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add_action( "after_theme_row_$theme", 'wp_theme_update_row', 10, 2 );

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}

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}

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}

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add_action( 'admin_init', 'wp_theme_update_rows' );

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function wp_theme_update_row( $theme_key, $theme ) {

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$current = get_site_transient( 'update_themes' );

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if ( !isset( $current->response[ $theme_key ] ) )

362

return false;

363

$r = $current->response[ $theme_key ];

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$details_url = add_query_arg( array( 'TB_iframe' => 'true', 'width' => 1024, 'height' => 800 ), $current->response[ $theme_key ]['url'] );

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$wp_list_table = _get_list_table('WP_MS_Themes_List_Table');

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echo '<tr class="plugin-update-tr"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"><div class="update-message">';

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if ( ! current_user_can('update_themes') )

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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 );

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else if ( empty( $r['package'] ) )

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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'] );

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else

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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) );

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/**

378

* Fires at the end of the update message container in each

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* row of the themes list table.

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* The dynamic portion of the hook name, $theme_key, refers to

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* the theme slug as found in the WordPress.org themes repository.

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* @since 3.1.0

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* @param WP_Theme $theme The WP_Theme object.

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* @param array $r {

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* An array of metadata about the available theme update.

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* @type string $new_version New theme version.

391

* @type string $url Theme URL.

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* @type string $package Theme update package URL.

393

* }

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do_action( "in_theme_update_message-{$theme_key}", $theme, $r );

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echo '</div></td></tr>';

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}

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function maintenance_nag() {

401

include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version

402

global $upgrading;

403

$nag = isset( $upgrading );

404

if ( ! $nag ) {

405

$failed = get_site_option( 'auto_core_update_failed' );

406

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* If an update failed critically, we may have copied over version.php but not other files.

408

* In that case, if the install claims we're running the version we attempted, nag.

409

* This is serious enough to err on the side of nagging.

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* If we simply failed to update before we tried to copy any files, then assume things are

412

* OK if they are now running the latest.

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* This flag is cleared whenever a successful update occurs using Core_Upgrader.

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$comparison = ! empty( $failed['critical'] ) ? '>=' : '>';

417

if ( version_compare( $failed['attempted'], $wp_version, $comparison ) )

418

$nag = true;

419

}

420

421

if ( ! $nag )

422

return false;

423

424

if ( current_user_can('update_core') )

425

$msg = sprintf( __('An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.'), 'update-core.php' );

426

else

427

$msg = __('An automated WordPress update has failed to complete! Please notify the site administrator.');

428

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echo "<div class='update-nag'>$msg</div>";

430

}

431

add_action( 'admin_notices', 'maintenance_nag' );

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add_action( 'network_admin_notices', 'maintenance_nag' );

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