244 lines
8.1 KiB
PHP
244 lines
8.1 KiB
PHP
<?php
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// The admin side of our 1.1 update system
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function core_update_footer( $msg = '' ) {
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if ( !current_user_can('manage_options') )
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return sprintf( '| '.__( 'Version %s' ), $GLOBALS['wp_version'] );
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$cur = get_option( 'update_core' );
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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 (%s). Cool! Please <a href="%s">stay updated</a>.' ), $GLOBALS['wp_version'], $cur->url, $cur->current );
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break;
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case 'upgrade' :
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if ( current_user_can('manage_options') ) {
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return sprintf( '| <strong>'.__( '<a href="%2$s">Get Version %3$s</a>' ).'</strong>', $GLOBALS['wp_version'], $cur->url, $cur->current );
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break;
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}
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case 'latest' :
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default :
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return sprintf( '| '.__( 'Version %s' ), $GLOBALS['wp_version'], $cur->url, $cur->current );
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break;
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}
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}
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add_filter( 'update_footer', 'core_update_footer' );
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function update_nag() {
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$cur = get_option( 'update_core' );
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if ( ! isset( $cur->response ) || $cur->response != 'upgrade' )
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return false;
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if ( current_user_can('manage_options') )
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$msg = sprintf( __('WordPress %2$s is available! <a href="%1$s">Please update now</a>.'), $cur->url, $cur->current );
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else
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$msg = sprintf( __('WordPress %2$s is available! Please notify the site administrator.'), $cur->url, $cur->current );
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echo "<div id='update-nag'>$msg</div>";
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}
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add_action( '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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$cur = get_option( 'update_core' );
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$msg = sprintf( __('This is WordPress version %s.'), $GLOBALS['wp_version'] );
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if ( isset( $cur->response ) && $cur->response == 'upgrade' && current_user_can('manage_options') )
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$msg .= " <a href='$cur->url' class='rbutton'>" . sprintf( __('Update to %s'), $cur->current ? $cur->current : __( 'Latest' ) ) . '</a>';
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echo "<span id='wp-version-message'>$msg</span>";
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}
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function wp_update_plugins() {
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global $wp_version;
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if ( !function_exists('fsockopen') )
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return false;
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$plugins = get_plugins();
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$active = get_option( 'active_plugins' );
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$current = get_option( 'update_plugins' );
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$new_option = '';
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$new_option->last_checked = time();
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$plugin_changed = false;
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foreach ( $plugins as $file => $p ) {
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$new_option->checked[ $file ] = $p['Version'];
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if ( !isset( $current->checked[ $file ] ) ) {
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$plugin_changed = true;
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continue;
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}
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if ( strval($current->checked[ $file ]) !== strval($p['Version']) )
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$plugin_changed = true;
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}
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if (
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isset( $current->last_checked ) &&
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43200 > ( time() - $current->last_checked ) &&
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!$plugin_changed
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)
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return false;
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$to_send->plugins = $plugins;
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$to_send->active = $active;
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$send = serialize( $to_send );
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$request = 'plugins=' . urlencode( $send );
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$http_request = "POST /plugins/update-check/1.0/ HTTP/1.0\r\n";
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$http_request .= "Host: api.wordpress.org\r\n";
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$http_request .= "Content-Type: application/x-www-form-urlencoded; charset=" . get_option('blog_charset') . "\r\n";
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$http_request .= "Content-Length: " . strlen($request) . "\r\n";
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$http_request .= 'User-Agent: WordPress/' . $wp_version . '; ' . get_bloginfo('url') . "\r\n";
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$http_request .= "\r\n";
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$http_request .= $request;
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$response = '';
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if( false != ( $fs = @fsockopen( 'api.wordpress.org', 80, $errno, $errstr, 3) ) && is_resource($fs) ) {
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fwrite($fs, $http_request);
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while ( !feof($fs) )
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$response .= fgets($fs, 1160); // One TCP-IP packet
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fclose($fs);
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$response = explode("\r\n\r\n", $response, 2);
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}
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$response = unserialize( $response[1] );
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if ( $response )
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$new_option->response = $response;
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update_option( 'update_plugins', $new_option );
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}
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add_action( 'load-plugins.php', 'wp_update_plugins' );
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function wp_plugin_update_row( $file ) {
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global $plugin_data;
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$current = get_option( 'update_plugins' );
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if ( !isset( $current->response[ $file ] ) )
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return false;
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$r = $current->response[ $file ];
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echo "<tr><td colspan='5' class='plugin-update'>";
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if ( !current_user_can('edit_plugins') )
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printf( __('There is a new version of %1$s available. <a href="%2$s">Download version %3$s here</a>.'), $plugin_data['Name'], $r->url, $r->new_version);
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else if ( empty($r->package) )
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printf( __('There is a new version of %1$s available. <a href="%2$s">Download version %3$s here</a> <em>automatic upgrade unavailable for this plugin</em>.'), $plugin_data['Name'], $r->url, $r->new_version);
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else
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printf( __('There is a new version of %1$s available. <a href="%2$s">Download version %3$s here</a> or <a href="%4$s">upgrade automatically</a>.'), $plugin_data['Name'], $r->url, $r->new_version, wp_nonce_url("update.php?action=upgrade-plugin&plugin=$file", 'upgrade-plugin_' . $file) );
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echo "</td></tr>";
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}
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add_action( 'after_plugin_row', 'wp_plugin_update_row' );
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function wp_update_plugin($plugin, $feedback = '') {
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global $wp_filesystem;
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if ( !empty($feedback) )
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add_filter('update_feedback', $feedback);
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// Is an update available?
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$current = get_option( 'update_plugins' );
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if ( !isset( $current->response[ $plugin ] ) )
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return new WP_Error('up_to_date', __('The plugin is at the latest version.'));
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// Is a filesystem accessor setup?
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if ( ! $wp_filesystem || !is_object($wp_filesystem) )
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WP_Filesystem();
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if ( ! is_object($wp_filesystem) )
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return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
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if ( $wp_filesystem->errors->get_error_code() )
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return new WP_Error('fs_error', __('Filesystem error'), $wp_filesystem->errors);
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//Get the Base folder
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$base = $wp_filesystem->get_base_dir();
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if ( empty($base) )
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return new WP_Error('fs_nowordpress', __('Unable to locate WordPress directory.'));
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// Get the URL to the zip file
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$r = $current->response[ $plugin ];
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if ( empty($r->package) )
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return new WP_Error('no_package', __('Upgrade package not available.'));
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// Download the package
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$package = $r->package;
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apply_filters('update_feedback', sprintf(__('Downloading update from %s'), $package));
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$file = download_url($package);
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if ( !$file )
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return new WP_Error('download_failed', __('Download failed.'));
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$working_dir = $base . 'wp-content/upgrade/' . basename($plugin, '.php');
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// Clean up working directory
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if ( $wp_filesystem->is_dir($working_dir) )
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$wp_filesystem->delete($working_dir, true);
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apply_filters('update_feedback', __('Unpacking the update'));
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// Unzip package to working directory
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$result = unzip_file($file, $working_dir);
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if ( is_wp_error($result) ) {
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unlink($file);
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$wp_filesystem->delete($working_dir, true);
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return $result;
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}
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// Once installed, delete the package
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unlink($file);
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if ( is_plugin_active($plugin) ) {
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//Deactivate the plugin
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apply_filters('update_feedback', __('Deactivating the plugin'));
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deactivate_plugins($plugin, true);
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}
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// Remove the existing plugin.
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apply_filters('update_feedback', __('Removing the old version of the plugin'));
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$plugin_dir = dirname($base . PLUGINDIR . "/$plugin");
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$plugin_dir = trailingslashit($plugin_dir);
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// If plugin is in its own directory, recursively delete the directory.
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if ( strpos($plugin, '/') && $plugin_dir != $base . PLUGINDIR . '/' )
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$deleted = $wp_filesystem->delete($plugin_dir, true);
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else
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$deleted = $wp_filesystem->delete($base . PLUGINDIR . "/$plugin");
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if ( !$deleted ) {
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$wp_filesystem->delete($working_dir, true);
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return new WP_Error('delete_failed', __('Could not remove the old plugin'));
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}
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apply_filters('update_feedback', __('Installing the latest version'));
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// Copy new version of plugin into place.
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if ( !copy_dir($working_dir, $base . PLUGINDIR) ) {
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//$wp_filesystem->delete($working_dir, true); //TODO: Uncomment? This DOES mean that the new files are available in the upgrade folder if it fails.
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return new WP_Error('install_failed', __('Installation failed'));
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}
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// Remove working directory
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$wp_filesystem->delete($working_dir, true);
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// Force refresh of plugin update information
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delete_option('update_plugins');
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//Return the new plugin file.
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if ( ! preg_match('!/([a-z0-9\-]+)/?$!i', $working_dir, $mat) )
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return false;
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$plugin = get_plugins('/' . $mat[1]); //Pass it with a leading slash
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$list = array_keys($plugin);
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return $mat[1] . '/' . $list[0]; //Pass it without a leading slash.
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}
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?>
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