Changeset 12903 for trunk/wp-admin/includes/plugin.php

Timestamp:

01/29/2010 09:45:32 PM (16 years ago)

Author:

ryan

Message:

Integrate sitewide plugin handling into activate_plugins(), deactivate_plugins(), and plugins.php. fixes #11767 see #11644

File:

• trunk/wp-admin/includes/plugin.php (modified) (6 diffs)

trunk/wp-admin/includes/plugin.php

@@ -264 +264 @@
 
 /**
+ * Check whether the plugin is active for the entire network.
+ *
+ * @since 3.0.0
+ *
+ * @param string $plugin Base plugin path from plugins directory.
+ * @return bool True, if active for the network, otherwise false.
+ */
+function is_plugin_active_for_network( $plugin ){
+    if ( !is_multisite() )
+        return false;
+
+    $plugins = get_site_option( 'active_sitewide_plugins');
+    if ( isset($plugins[$plugin]) )
+        return true;
+
+    return false;
+}
+
+/**
+ * Checks for "Site Wide Only: true" in the plugin header to see if this should
+ * be activated as a network wide MU plugin.
+ *
+ * @since 3.0.0
+ *
+ * @todo Use API for getting arbitrary plugin headers.
+ *
+ * @param $file Plugin to check
+ * $return bool True if plugin is network only, false otherwise.
+ */
+function is_network_only_plugin( $file ) {
+    /* Open the plugin file for reading to check if this is a ms-plugin. */
+    $fp = @fopen( WP_PLUGIN_DIR . '/' . $file, 'r' );
+
+    /* Pull only the first 8kiB of the file in. */
+    $plugin_data = @fread( $fp, 8192 );
+
+    /* PHP will close file handle, but we are good citizens. */
+    @fclose($fp);
+
+    if ( preg_match( '|Site Wide Only:(.*)true$|mi', $plugin_data ) )
+        return true;
+
+    return false;
+}
+
+/**
  * Attempts activation of plugin in a "sandbox" and redirects on success.
  *
@@ -285 +331 @@
  * @param string $plugin Plugin path to main plugin file with plugin data.
  * @param string $redirect Optional. URL to redirect to.
+ * @param bool $network_wide Whether to enable the plugin for all sites in the network or just the current site.  Multisite only. Default is false.
  * @return WP_Error|null WP_Error on invalid file or null on success.
  */
-function activate_plugin( $plugin, $redirect = '' ) {
-    $current = get_option( 'active_plugins', array() );
+function activate_plugin( $plugin, $redirect = '', $network_wide = false) {
     $plugin  = plugin_basename( trim( $plugin ) );
+
+    if ( is_multisite() && ( $network_wide || is_network_only_plugin($plugin) ) ) {
+        $network_wide = true;
+        $current = get_site_option( 'active_sitewide_plugins', array() );
+    } else {
+        $current = get_option( 'active_plugins', array() );
+    }
 
     $valid = validate_plugin($plugin);
@@ -300 +353 @@
         ob_start();
         @include(WP_PLUGIN_DIR . '/' . $plugin);
-        $current[] = $plugin;
-        sort($current);
         do_action( 'activate_plugin', trim( $plugin) );
-        update_option('active_plugins', $current);
+        if ( $network_wide ) {
+            $current[$plugin] = time();
+            update_site_option( 'active_sitewide_plugins', $current );
+        } else {
+            $current[] = $plugin;
+            sort($current);
+            update_option('active_plugins', $current);
+        }
         do_action( 'activate_' . trim( $plugin ) );
         do_action( 'activated_plugin', trim( $plugin) );
@@ -324 +382 @@
  */
 function deactivate_plugins( $plugins, $silent = false ) {
+    $network_current = get_site_option( 'active_sitewide_plugins', array() );
     $current = get_option( 'active_plugins', array() );
+    $do_blog = $do_network = false;
 
     foreach ( (array) $plugins as $plugin ) {
@@ -333 +393 @@
             do_action( 'deactivate_plugin', trim( $plugin ) );
 
-        $key = array_search( $plugin, (array) $current );
-
-        if ( false !== $key )
-            array_splice( $current, $key, 1 );
+        if ( is_plugin_active_for_network($plugin) ) {
+            // Deactivate network wide
+            $do_network = true;
+            unset($network_current[$plugin]);
+        } else {
+            // Deactivate for this blog only
+            $do_blog = true;
+            $key = array_search( $plugin, (array) $current );
+
+            if ( false !== $key )
+                array_splice( $current, $key, 1 );
+        }
 
         //Used by Plugin updater to internally deactivate plugin, however, not to notify plugins of the fact to prevent plugin output.
@@ -345 +413 @@
     }
 
-    update_option('active_plugins', $current);
+    if ( $do_blog )
+        update_option('active_plugins', $current);
+    if ( $do_network )
+        update_site_option( 'active_sitewide_plugins', $network_current );
 }