Add enable / disable extension features

See https://github.com/FreshRSS/FreshRSS/issues/252

1 files changed, 70 insertions, 2 deletions

diff --git a/app/Controllers/extensionController.php b/app/Controllers/extensionController.php
index 504be56d3..415f489a6 100644
--- a/app/Controllers/extensionController.php
+++ b/app/Controllers/extensionController.php
@@ -29,12 +29,80 @@ class FreshRSS_extension_Controller extends Minz_ActionController {
 		}
 	}
 
+	/**
+	 * This action enables a disabled extension for the current user.
+	 *
+	 * System extensions can only be enabled by an administrator.
+	 *
+	 * Parameter is:
+	 * - e: the extension name (urlencoded).
+	 */
 	public function enableAction() {
-		
+		$url_redirect = array('c' => 'extension', 'a' => 'index');
+
+		if (Minz_Request::isPost()) {
+			$ext_name = urldecode(Minz_Request::param('e'));
+			$ext = Minz_ExtensionManager::find_extension($ext_name);
+
+			if (is_null($ext)) {
+				Minz_Request::bad('feedback.extension.not_found', $url_redirect);
+			}
+
+			if ($ext->is_enabled()) {
+				Minz_Request::bad('feedback.extension.already_enabled', $url_redirect);
+			}
+
+			if ($ext->getType() === 'system' && !FreshRSS_Auth::hasAccess('admin')) {
+				Minz_Request::bad('feedback.extension.no_access', $url_redirect);
+			}
+
+			$ext->install();
+
+			FreshRSS_Context::$conf->addExtension($ext_name);
+			FreshRSS_Context::$conf->save();
+
+			Minz_Request::good('feedback.extension.enabled', $url_redirect);
+		}
+
+		Minz_Request::forward($url_redirect, true);
 	}
 
+	/**
+	 * This action disables an enabled extension for the current user.
+	 *
+	 * System extensions can only be disabled by an administrator.
+	 *
+	 * Parameter is:
+	 * - e: the extension name (urlencoded).
+	 */
 	public function disableAction() {
-		
+		$url_redirect = array('c' => 'extension', 'a' => 'index');
+
+		if (Minz_Request::isPost()) {
+			$ext_name = urldecode(Minz_Request::param('e'));
+			$ext = Minz_ExtensionManager::find_extension($ext_name);
+
+			if (is_null($ext)) {
+				Minz_Request::bad('feedback.extension.not_found', $url_redirect);
+			}
+
+			if (!$ext->is_enabled()) {
+				Minz_Request::bad('feedback.extension.not_enabled', $url_redirect);
+			}
+
+			if ($ext->getType() === 'system' && !FreshRSS_Auth::hasAccess('admin')) {
+				Minz_Request::bad('feedback.extension.no_access', $url_redirect);
+			}
+
+			$ext->uninstall();
+
+			FreshRSS_Context::$conf->removeExtension($ext_name);
+			FreshRSS_Context::$conf->save();
+
+			Minz_Request::good('feedback.extension.disabled', $url_redirect);
+		}
+
+		Minz_Request::forward($url_redirect, true);
 	}
 
 	public function removeAction() {