From d10a3a96e0538b8347472d6c2d350dc2bee86501 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 24 Sep 2019 15:25:32 +0200
Subject: [serversetup-bwlp-ipxe]

---
 inc/hook.inc.php | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'inc/hook.inc.php')

diff --git a/inc/hook.inc.php b/inc/hook.inc.php
index bed81aeb..05078f72 100644
--- a/inc/hook.inc.php
+++ b/inc/hook.inc.php
@@ -27,6 +27,26 @@ class Hook
 		return $retval;
 	}
 
+	/**
+	 * Load given hook for a specific module only.
+	 *
+	 * @param string $moduleName Module
+	 * @param string $hookName Hook
+	 * @param bool $filterBroken return false if the module has missing deps
+	 * @return Hook|false hook instance, false on error or if module doesn't have given hook
+	 */
+	public static function loadSingle($moduleName, $hookName, $filterBroken = true)
+	{
+		if (Module::get($moduleName) === false) // No such module
+			return false;
+		if ($filterBroken && !Module::isAvailable($moduleName)) // Broken
+			return false;
+		$file = 'modules/' . $moduleName . '/hooks/' . $hookName . '.inc.php';
+		if (!file_exists($file)) // No hook
+			return false;
+		return new Hook($moduleName, $file);
+	}
+
 	/*
 	 *
 	 */
@@ -40,4 +60,21 @@ class Hook
 		$this->file = $hookFile;
 	}
 
+	/**
+	 * Run the hook's code. The include is expected to return a
+	 * value, which will in turn be the return value of this
+	 * method.
+	 *
+	 * @return mixed The return value of the include file, or false on error
+	 */
+	public function run()
+	{
+		try {
+			return (include $this->file);
+		} catch (Exception $e) {
+			error_log($e);
+			return false;
+		}
+	}
+
 }
-- 
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