Ticket #30465: 30465.diff

src/wp-admin/includes/update.php

@@ -214 +214 @@
 add_action( 'admin_notices', 'update_nag', 3 );
 add_action( 'network_admin_notices', 'update_nag', 3 );
 
+function removed_plugin_nag() {
+        global $pagenow;
+
+        if ( ! current_user_can( 'update_plugins' ) || 'update-core.php' == $pagenow )
+                return;
+
+        $active  = get_option( 'active_plugins', array() );
+        $directory_plugins = get_option( 'directory_plugins' );
+
+        if ( ! isset( $directory_plugins['removed'] ) || empty( $directory_plugins['removed'] ) )
+                return false;
+
+        foreach( $active as $plugin_file ) {
+                if ( isset( $directory_plugins['removed'][$plugin_file]['name'] ) )
+                        echo '<div class="update-nag">' . sprintf( __( 'The %s plugin has been removed from the WordPress Directory.' ), '<strong>' . $directory_plugins['removed'][$plugin_file]['name'] . '</strong>' ) . '</div>';
+        }
+}
+add_action( 'admin_notices', 'removed_plugin_nag', 3 );
+add_action( 'network_admin_notices', 'removed_plugin_nag', 3 );
+
 // Called directly from dashboard
 function update_right_now_message() {
         $theme_name = wp_get_theme();

src/wp-includes/update.php

@@ -248 +248 @@
                         return false;
         }
 
+        // Keeps this code from executing when called from `wp_admin_bar_updates_menu()`. 
+        $trace = debug_backtrace();
+        if ( ! isset( $trace[2]['function'] ) || $trace[2]['function'] != 'wp_admin_bar_updates_menu' ) {
+
+                $directory_plugins = get_option( 'directory_plugins', array() );
+
+                // Check for deleted plugins in the WordPress Respository.
+                foreach( $active as $plugin_file ) {
+
+                        $url = 'http://api.wordpress.org/plugins/info/1.0/' . $plugin_file;
+                        if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
+                                $url = set_url_scheme( $url, 'https' );
+
+                        // Check the Plugin repo for plugin information
+                        $raw_response = wp_remote_post( $url, array(
+                                'timeout' => 3,
+                                'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
+                        ) );
+
+                        // Check for valid response
+                        if ( ! is_wp_error( $raw_response ) && 200 == wp_remote_retrieve_response_code( $raw_response ) ) {
+
+                                // Setup response data
+                                $response = maybe_unserialize( wp_remote_retrieve_body( $raw_response ) );
+
+                                $found = isset( $directory_plugins['found'] ) && array_key_exists( $plugin_file, $directory_plugins['found'] );
+                                $removed = isset( $directory_plugins['removed'] ) && array_key_exists( $plugin_file, $directory_plugins['removed'] );
+
+                                // Add plugins to the `found` array that exist in the Directory.
+                                if ( ! $found && isset( $response->slug ) ) {
+                                        $directory_plugins['found'][$plugin_file]['name'] = $response->name;
+                                        $found = true;
+                                }
+
+                                // Add plugins to the `removed` array that no longer exist in the Directory.
+                                if ( $found && ! $removed && $raw_response['body'] == 'N;' ) {
+                                        $directory_plugins['removed'][$plugin_file]['name'] = $directory_plugins['found'][$plugin_file]['name'];
+                                }
+
+                        }
+                
+                }
+
+                update_option( 'directory_plugins', $directory_plugins );
+
+        }
+  
         // Update last_checked for current to prevent multiple blocking requests if request hangs
         $current->last_checked = time();
         set_site_transient( 'update_plugins', $current );