Allow is_network_activated to be filtered

classes/class-admin.php

@@ -134,7 +134,7 @@ public function __construct( $plugin ) {
 		add_filter( 'user_has_cap', array( $this, 'filter_user_caps' ), 10, 4 );
 		add_filter( 'role_has_cap', array( $this, 'filter_role_caps' ), 10, 3 );
 
-		if ( is_multisite() && is_plugin_active_for_network( $this->plugin->locations['plugin'] ) && ! is_network_admin() ) {
+		if ( is_multisite() && $plugin->is_network_activated() && ! is_network_admin() ) {
 			$options = (array) get_site_option( 'wp_stream_network', array() );
 			$option  = isset( $options['general_site_access'] ) ? absint( $options['general_site_access'] ) : 1;
 
@@ -647,7 +647,7 @@ private function erase_stream_records() {
 
 		$where = '';
 
-		if ( is_multisite() && ! is_plugin_active_for_network( $this->plugin->locations['plugin'] ) ) {
+		if ( is_multisite() && ! $this->plugin->is_network_activated() ) {
 			$where .= $wpdb->prepare( ' AND `blog_id` = %d', get_current_blog_id() );
 		}
 
@@ -675,12 +675,12 @@ public function purge_scheduled_action() {
 			&&
 			is_network_admin()
 			&&
-			! is_plugin_active_for_network( $this->plugin->locations['plugin'] )
+			! $this->plugin->is_network_activated()
 		) {
 			return;
 		}
 
-		if ( is_multisite() && is_plugin_active_for_network( $this->plugin->locations['plugin'] ) ) {
+		if ( is_multisite() && $this->plugin->is_network_activated() ) {
 			$options = (array) get_site_option( 'wp_stream_network', array() );
 		} else {
 			$options = (array) get_option( 'wp_stream', array() );
@@ -699,7 +699,7 @@ public function purge_scheduled_action() {
 		$where = $wpdb->prepare( ' AND `stream`.`created` < %s', $date->format( 'Y-m-d H:i:s' ) );
 
 		// Multisite but NOT network activated, only purge the current blog
-		if ( is_multisite() && ! is_plugin_active_for_network( $this->plugin->locations['plugin'] ) ) {
+		if ( is_multisite() && ! $this->plugin->is_network_activated() ) {
 			$where .= $wpdb->prepare( ' AND `blog_id` = %d', get_current_blog_id() );
 		}
 
@@ -726,7 +726,7 @@ public function plugin_action_links( $links, $file ) {
 		}
 
 		// Also don't show links in Network Admin if Stream isn't network enabled
-		if ( is_network_admin() && is_multisite() && ! is_plugin_active_for_network( $this->plugin->locations['plugin'] ) ) {
+		if ( is_network_admin() && is_multisite() && ! $this->plugin->is_network_activated() ) {
 			return $links;
 		}
 

classes/class-export.php

@@ -164,7 +164,7 @@ public function expand_columns( $columns ) {
 			'ip'        => $columns['ip'],
 		);
 
-		if ( is_multisite() && is_plugin_active_for_network( $this->plugin->locations['plugin'] ) ) {
+		if ( is_multisite() && $this->plugin->is_network_activated() ) {
 			$new_columns['blog_id'] = __( 'Blog ID', 'stream' );
 		}
 

classes/class-install.php

@@ -177,7 +177,7 @@ public function verify_db() {
 			);
 		}
 
-		if ( is_plugin_active_for_network( $this->plugin->locations['plugin'] ) && current_user_can( 'manage_network_plugins' ) ) {
+		if ( $this->plugin->is_network_activated() && current_user_can( 'manage_network_plugins' ) ) {
 			$uninstall_message = sprintf(
 				// translators: Placeholders refer to HTML Link tags (e.g. "<a href="https://foo.com/wp-admin/">")
 				__( 'Please %1$suninstall%2$s the Stream plugin and activate it again.', 'stream' ),
@@ -219,7 +219,7 @@ public function register_update_hook( $file, $callback, $version ) {
 
 		$plugin = plugin_basename( $file );
 
-		if ( is_plugin_active_for_network( $plugin ) ) {
+		if ( $this->plugin->is_network_activated() ) {
 			$current_versions = get_site_option( $this->option_key . '_connectors', array() );
 			$network          = true;
 		} elseif ( is_plugin_active( $plugin ) ) {

classes/class-log.php

@@ -190,7 +190,7 @@ public function is_record_excluded( $connector, $context, $action, $user = null,
 
 		$exclude_settings = isset( $this->plugin->settings->options['exclude_rules'] ) ? $this->plugin->settings->options['exclude_rules'] : array();
 
-		if ( is_multisite() && is_plugin_active_for_network( $this->plugin->locations['plugin'] ) && ! is_network_admin() ) {
+		if ( is_multisite() && $this->plugin->is_network_activated() && ! is_network_admin() ) {
 			$multisite_options          = (array) get_site_option( 'wp_stream_network', array() );
 			$multisite_exclude_settings = isset( $multisite_options['exclude_rules'] ) ? $multisite_options['exclude_rules'] : array();
 

classes/class-network.php

@@ -91,31 +91,7 @@ public function get_network_blog() {
 	 * @return bool
 	 */
 	public function is_network_activated() {
-		if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
-			require_once ABSPATH . '/wp-admin/includes/plugin.php';
-		}
-
-		if ( $this->is_mustuse() ) {
-			return true;
-		}
-
-		return is_plugin_active_for_network( $this->plugin->locations['plugin'] );
-	}
-
-	/**
-	 * Returns true if Stream is a must-use plugin, otherwise false
-	 *
-	 * @return bool
-	 */
-	public function is_mustuse() {
-
-		$stream_php = trailingslashit( WPMU_PLUGIN_DIR ) . $this->plugin->locations['plugin'];
-
-		if ( file_exists( $stream_php ) && class_exists( 'WP_Stream\Plugin' ) ) {
-			return true;
-		}
-
-		return false;
+		return $this->plugin->is_network_activated();
 	}
 
 	/**

classes/class-plugin.php

@@ -247,4 +247,47 @@ public function plugins_loaded() {
 			$this->db = new DB( $driver );
 		}
 	}
+
+	/**
+	 * Returns true if Stream is network activated, otherwise false
+	 *
+	 * @return bool
+	 */
+	public function is_network_activated() {
+
+		$is_network_activated = false;
+
+		if ( $this->is_mustuse() ) {
+			$is_network_activated = true;
+		} else {
+			if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
+				require_once ABSPATH . '/wp-admin/includes/plugin.php';
+			}
+			$is_network_activated = is_plugin_active_for_network( $this->locations['plugin'] );
+		}
+
+		/**
+		 * Filter allows the network activated detection to be overridden.
+		 *
+		 * @param string $is_network_activated Whether the plugin is network activated
+		 * @param WP_Stream\Plugin $plugin The stream plugin object
+		 */
+		return apply_filters( 'wp_stream_is_network_activated', $is_network_activated, $this );
+	}
+
+	/**
+	 * Returns true if Stream is a must-use plugin, otherwise false
+	 *
+	 * @return bool
+	 */
+	public function is_mustuse() {
+
+		$stream_php = trailingslashit( WPMU_PLUGIN_DIR ) . $this->locations['plugin'];
+
+		if ( file_exists( $stream_php ) && class_exists( 'WP_Stream\Plugin' ) ) {
+			return true;
+		}
+
+		return false;
+	}
 }

classes/class-uninstall.php

@@ -66,7 +66,7 @@ public function uninstall() {
 
 		// Drop everything on single site installs or when network activated
 		// Otherwise only delete data relative to the current blog
-		if ( ! is_multisite() || is_plugin_active_for_network( $this->plugin->locations['plugin'] ) ) {
+		if ( ! is_multisite() || $this->plugin->is_network_activated() ) {
 			$this->delete_all_records();
 			$this->delete_all_options();
 			$this->delete_all_user_meta();