Option to enable/disable plugin by renaming file + cleanup

new function: getAllPluginsJson
removeComments removed - json doesnt allow for comments anyway

admin/pages/plugins.php

@@ -23,13 +23,29 @@ if (isset($_REQUEST['uninstall'])) {
 	} else {
 		error('Error while uninstalling plugin ' . $uninstall . ': ' . Plugins::getError());
 	}
-} else if (isset($_FILES["plugin"]["name"])) {
+}
-	$file = $_FILES["plugin"];
+else if (isset($_REQUEST['enable'])) {
-	$filename = $file["name"];
+	$enable = $_REQUEST['enable'];
-	$tmp_name = $file["tmp_name"];
+	if (Plugins::enable($enable)) {
-	$type = $file["type"];
+		success('Successfully enabled plugin ' . $enable);
+	} else {
+		error('Error while enabling plugin ' . $enable . ': ' . Plugins::getError());
+	}
+}
+else if (isset($_REQUEST['disable'])) {
+	$disable = $_REQUEST['disable'];
+	if (Plugins::disable($disable)) {
+		success('Successfully disabled plugin ' . $disable);
+	} else {
+		error('Error while disabling plugin ' . $disable . ': ' . Plugins::getError());
+	}
+} else if (isset($_FILES['plugin']['name'])) {
+	$file = $_FILES['plugin'];
+	$filename = $file['name'];
+	$tmp_name = $file['tmp_name'];
+	$type = $file['type'];
 
-	$name = explode(".", $filename);
+	$name = explode('.', $filename);
 	$accepted_types = array('application/zip', 'application/x-zip-compressed', 'multipart/x-zip', 'application/x-compressed', 'application/octet-stream', 'application/zip-compressed');
 
 	if (isset($file['error'])) {
@@ -90,21 +106,23 @@ if (isset($_REQUEST['uninstall'])) {
 }
 
 $plugins = array();
-foreach (get_plugins() as $plugin) {
+foreach (get_plugins(true) as $plugin) {
 	$string = file_get_contents(BASE . 'plugins/' . $plugin . '.json');
-	$string = Plugins::removeComments($string);
 	$plugin_info = json_decode($string, true);
 
-	if ($plugin_info == false) {
+	if (!$plugin_info) {
 		warning('Cannot load plugin info ' . $plugin . '.json');
 	} else {
+		$disabled = (strpos($plugin, 'disabled.') !== false);
+		$pluginOriginal = ($disabled ? str_replace('disabled.', '', $plugin) : $plugin);
 		$plugins[] = array(
-			'name' => isset($plugin_info['name']) ? $plugin_info['name'] : '',
+			'name' => $plugin_info['name'] ?? '',
-			'description' => isset($plugin_info['description']) ? $plugin_info['description'] : '',
+			'description' => $plugin_info['description'] ?? '',
-			'version' => isset($plugin_info['version']) ? $plugin_info['version'] : '',
+			'version' => $plugin_info['version'] ?? '',
-			'author' => isset($plugin_info['author']) ? $plugin_info['author'] : '',
+			'author' => $plugin_info['author'] ?? '',
-			'contact' => isset($plugin_info['contact']) ? $plugin_info['contact'] : '',
+			'contact' => $plugin_info['contact'] ?? '',
-			'file' => $plugin,
+			'file' => $pluginOriginal,
+			'enabled' => !$disabled,
 			'uninstall' => isset($plugin_info['uninstall'])
 		);
 	}

system/functions.php

@@ -791,16 +791,21 @@ function get_templates()
  * Generates list of installed plugins
  * @return array $plugins
  */
-function get_plugins()
+function get_plugins($disabled = false): array
 {
-	$ret = array();
+	$ret = [];
 
 	$path = PLUGINS;
-	foreach(scandir($path, 0) as $file) {
+	foreach(scandir($path, SCANDIR_SORT_DESCENDING) as $file) {
 		$file_ext = pathinfo($file, PATHINFO_EXTENSION);
 		$file_name = pathinfo($file, PATHINFO_FILENAME);
-		if ($file === '.' || $file === '..' || $file === 'disabled' || $file === 'example.json' || $file_ext !== 'json' || is_dir($path . $file))
+		if ($file === '.' || $file === '..' || $file === 'example.json' || $file_ext !== 'json' || is_dir($path . $file)) {
 			continue;
+		}
+
+		if (!$disabled && strpos($file, 'disabled.') !== false) {
+			continue;
+		}
 
 		$ret[] = str_replace('.json', '', $file_name);
 	}

system/libs/plugins.php

@@ -10,7 +10,7 @@
  */
 defined('MYAAC') or die('Direct access not allowed!');
 
-function is_sub_dir($path = NULL, $parent_folder = SITE_PATH) {
+function is_sub_dir($path = NULL, $parent_folder = BASE) {
 
 	//Get directory path minus last folder
 	$dir = dirname($path);
@@ -41,9 +41,9 @@ function is_sub_dir($path = NULL, $parent_folder = SITE_PATH) {
 use Composer\Semver\Semver;
 
 class Plugins {
-	private static $warnings = array();
+	private static $warnings = [];
 	private static $error = null;
-	private static $plugin_json = array();
+	private static $plugin_json = [];
 
 	public static function getRoutes()
 	{
@@ -56,22 +56,8 @@ class Plugins {
 		}
 
 		$routes = [];
-		foreach(get_plugins() as $filename) {
+		foreach(self::getAllPluginsJson() as $plugin) {
-			$string = file_get_contents(PLUGINS . $filename . '.json');
+			$warningPreTitle = 'Plugin: ' . $plugin['name'] . ' - ';
-			$string = self::removeComments($string);
-			$plugin = json_decode($string, true);
-			self::$plugin_json = $plugin;
-			if ($plugin == null) {
-				self::$warnings[] = 'Cannot load ' . $filename . '.json. File might be not a valid json code.';
-				continue;
-			}
-
-			if(isset($plugin['enabled']) && !getBoolean($plugin['enabled'])) {
-				self::$warnings[] = 'Skipping ' . $filename . '... The plugin is disabled.';
-				continue;
-			}
-
-			$warningPreTitle = 'Plugin: ' . $filename . ' - ';
 
 			if (isset($plugin['routes'])) {
 				foreach ($plugin['routes'] as $_name => $info) {
@@ -161,28 +147,14 @@ class Plugins {
 		}
 
 		$hooks = [];
-		foreach(get_plugins() as $filename) {
+		foreach(self::getAllPluginsJson() as $plugin) {
-			$string = file_get_contents(PLUGINS . $filename . '.json');
-			$string = self::removeComments($string);
-			$plugin = json_decode($string, true);
-			self::$plugin_json = $plugin;
-			if ($plugin == null) {
-				self::$warnings[] = 'Cannot load ' . $filename . '.json. File might be not a valid json code.';
-				continue;
-			}
-
-			if(isset($plugin['enabled']) && !getBoolean($plugin['enabled'])) {
-				self::$warnings[] = 'Skipping ' . $filename . '... The plugin is disabled.';
-				continue;
-			}
-
 			if (isset($plugin['hooks'])) {
 				foreach ($plugin['hooks'] as $_name => $info) {
 					if (defined('HOOK_'. $info['type'])) {
 						$hook = constant('HOOK_'. $info['type']);
 						$hooks[] = ['name' => $_name, 'type' => $hook, 'file' => $info['file']];
 					} else {
-						self::$warnings[] = 'Plugin: ' . $filename . '. Unknown event type: ' . $info['type'];
+						self::$warnings[] = 'Plugin: ' . $plugin['name'] . '. Unknown event type: ' . $info['type'];
 					}
 				}
 			}
@@ -195,6 +167,41 @@ class Plugins {
 		return $hooks;
 	}
 
+	public static function getAllPluginsJson($disabled = false)
+	{
+		$cache = Cache::getInstance();
+		if ($cache->enabled()) {
+			$tmp = '';
+			if ($cache->fetch('plugins', $tmp)) {
+				return unserialize($tmp);
+			}
+		}
+
+		$plugins = [];
+		foreach (get_plugins($disabled) as $filename) {
+			$string = file_get_contents(PLUGINS . $filename . '.json');
+			$plugin = json_decode($string, true);
+			self::$plugin_json = $plugin;
+			if ($plugin == null) {
+				self::$warnings[] = 'Cannot load ' . $filename . '.json. File might be not a valid json code.';
+				continue;
+			}
+
+			if (isset($plugin['enabled']) && !getBoolean($plugin['enabled'])) {
+				self::$warnings[] = 'Skipping ' . $filename . '... The plugin is disabled.';
+				continue;
+			}
+
+			$plugins[] = $plugin;
+		}
+
+		if ($cache->enabled()) {
+			$cache->set('plugins', serialize($plugins), 600);
+		}
+
+		return $plugins;
+	}
+
 	public static function install($file) {
 		global $db;
 
@@ -235,7 +242,6 @@ class Plugins {
 		}
 
 		$string = file_get_contents($file_name);
-		$string = self::removeComments($string);
 		$plugin_json = json_decode($string, true);
 		self::$plugin_json = $plugin_json;
 		if ($plugin_json == null) {
@@ -435,7 +441,35 @@ class Plugins {
 		return false;
 	}
 
-	public static function uninstall($plugin_name)
+	public static function enable($pluginFileName): bool
+	{
+		return self::enableDisable($pluginFileName, true);
+	}
+
+	public static function disable($pluginFileName): bool
+	{
+		return self::enableDisable($pluginFileName, false);
+	}
+
+	private static function enableDisable($pluginFileName, $enable): bool
+	{
+		$filenameJson = $pluginFileName . '.json';
+		$fileExist = is_file(PLUGINS . ($enable ? 'disabled.' : '') . $filenameJson);
+		if (!$fileExist) {
+			self::$error = 'Cannot ' . ($enable ? 'enable' : 'disable') . ' plugin: ' . $pluginFileName . '. File does not exist.';
+			return false;
+		}
+
+		$result = rename(PLUGINS . ($enable ? 'disabled.' : '') . $filenameJson, PLUGINS . ($enable ? '' : 'disabled.') . $filenameJson);
+		if (!$result) {
+			self::$error = 'Cannot ' . ($enable ? 'enable' : 'disable') . ' plugin: ' . $pluginFileName . '. Permission problem.';
+			return false;
+		}
+
+		return true;
+	}
+
+	public static function uninstall($plugin_name): bool
 	{
 		$filename = BASE . 'plugins/' . $plugin_name . '.json';
 		if(!file_exists($filename)) {
@@ -443,9 +477,8 @@ class Plugins {
 			return false;
 		}
 		$string = file_get_contents($filename);
-		$string = self::removeComments($string);
 		$plugin_info = json_decode($string, true);
-		if($plugin_info == false) {
+		if(!$plugin_info) {
 			self::$error = 'Cannot load plugin info ' . $plugin_name . '.json';
 			return false;
 		}
@@ -527,22 +560,6 @@ class Plugins {
 		return self::$plugin_json;
 	}
 
-	public static function removeComments($string) {
-		$string = preg_replace('!/\*.*?\*/!s', '', $string);
-		$string = preg_replace('/\n\s*\n/', "\n", $string);
-		//  Removes multi-line comments and does not create
-		//  a blank line, also treats white spaces/tabs
-		$string = preg_replace('!^[ \t]*/\*.*?\*/[ \t]*[\r\n]!s', '', $string);
-
-		//  Removes single line '//' comments, treats blank characters
-		$string = preg_replace('![ \t]*//.*[ \t]*[\r\n]!', '', $string);
-
-		//  Strip blank lines
-		$string = preg_replace("/(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+/", "\n", $string);
-
-		return $string;
-	}
-
 	/**
 	 * Install menus
 	 * Helper function for plugins

system/templates/admin.plugins.html.twig

@@ -6,6 +6,7 @@
 		<table class="table table-striped table-bordered table-responsive d-md-table" id="tb_plugins">
 			<thead>
 			<tr>
+				<th>Enabled</th>
 				<th>Name</th>
 				<th>Version</th>
 				<th>Author</th>
@@ -16,6 +17,17 @@
 			<tbody>
 			{% for plugin in plugins %}
 				<tr>
+					<td>
+						{% if plugin.enabled %}
+						<a href="?p=plugins&disable={{ plugin.file }}" class="btn btn-success" onclick="return confirm('Are you sure you want to disable plugin {{ plugin.name }}?');" title="Disable">
+							<i class="fas fa-check"></i> Enabled
+						</a>
+						{% else %}
+							<a href="?p=plugins&enable={{ plugin.file }}" class="btn btn-danger" onclick="return confirm('Are you sure you want to enable plugin {{ plugin.name }}?');" title="Enable">
+								<i class="fas fa-ban"></i> Disabled
+							</a>
+						{% endif %}
+					</td>
 					<td><b>{{ plugin.name }}</b><br>
 						<small>{{ plugin.description|raw }}</small>
 					</td>
@@ -29,7 +41,8 @@
 							<a href="?p=plugins&uninstall={{ plugin.file }}" class="btn btn-danger btn-sm" onclick="return confirm('Are you sure?');" title="Uninstall">
 								<i class="fas fa-trash"></i>
 							</a>
-						{% endif %}</td>
+						{% endif %}
+					</td>
 				</tr>
 			{% endfor %}
 			</tbody>
@@ -39,6 +52,6 @@
 
 <script>
 	$(function () {
-		$('#tb_plugins').DataTable()
+		$('#tb_plugins').DataTable();
 	})
 </script>