From 1d5366f45f50202021e8108f6ff3779d6e5b9d9c Mon Sep 17 00:00:00 2001
From: Jannik Schönartz
Date: Wed, 15 Jan 2020 20:58:53 +0100
Subject: [sysconfig] Add screensaver customization module

---
 .../sysconfig/inc/configmodule/screensaver.inc.php | 107 +++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 modules-available/sysconfig/inc/configmodule/screensaver.inc.php

(limited to 'modules-available/sysconfig/inc/configmodule/screensaver.inc.php')

diff --git a/modules-available/sysconfig/inc/configmodule/screensaver.inc.php b/modules-available/sysconfig/inc/configmodule/screensaver.inc.php
new file mode 100644
index 00000000..813b040d
--- /dev/null
+++ b/modules-available/sysconfig/inc/configmodule/screensaver.inc.php
@@ -0,0 +1,107 @@
+<?php
+
+ConfigModule::registerModule(
+	ConfigModule_Screensaver::MODID, // ID
+	Dictionary::translateFileModule('sysconfig', 'config-module', 'screensaver_title'), // Title
+	Dictionary::translateFileModule('sysconfig', 'config-module', 'screensaver_description'), // Description
+	Dictionary::translateFileModule('sysconfig', 'config-module', 'group_generic'), // Group
+	true, // Only one per config?
+	100 // Sort order
+);
+
+class ConfigModule_Screensaver extends ConfigModule
+{
+	const MODID = 'Screensaver';
+	const VERSION = 1;
+
+	protected function generateInternal($tgz, $parent)
+	{
+		/* Validate if all data are available */
+		if (!$this->validateConfig())
+			return false;
+
+		/* Give the Taskmanager the job and create the tgz */
+		$taskId = 'xscreensaver' . mt_rand() . '-' . microtime(true);
+
+		$task = Taskmanager::submit('MakeTarball', array(
+			'id' => $taskId,
+			'files' => $this->getFileArray(),
+			'destination' => $tgz,
+		), false);
+
+		return $task;
+	}
+
+	protected function moduleVersion()
+	{
+		return self::VERSION;
+	}
+
+	protected function validateConfig()
+	{
+		return isset($this->moduleData['qss']) &&
+				 isset($this->moduleData['texts']) &&
+			    isset($this->moduleData['texts']['text-idle-kill']) &&
+				 isset($this->moduleData['texts']['text-no-timeout']) &&
+				 isset($this->moduleData['texts']['text-shutdown']);
+	}
+
+	public function setData($key, $value)
+	{
+		switch ($key) {
+		case 'qss':
+		case 'texts':
+		case 'messages':
+			break;
+		default:
+			return false;
+		}
+		$this->moduleData[$key] = $value;
+		return true;
+	}
+
+	public function allowDownload()
+	{
+		return true;
+	}
+
+	/**
+	 * Creates a map with filepath => file content
+	 *
+	 * @return array in the form of Map<String, byte[]>
+	 */
+	private function getFileArray()
+	{
+		$files = array(
+			'/opt/openslx/xscreensaver/style.qss' => array_values(unpack('C*', $this->moduleData['qss'])),
+			'/opt/openslx/xscreensaver/text-idle-kill' => array_values(unpack('C*', $this->wrapHtmlTags('text-idle-kill'))),
+			'/opt/openslx/xscreensaver/text-no-timeout' => array_values(unpack('C*', $this->wrapHtmlTags('text-no-timeout'))),
+			'/opt/openslx/xscreensaver/text-shutdown' => array_values(unpack('C*', $this->wrapHtmlTags('text-shutdown'))),
+		);
+
+		/* Create the message.ini from the messages array */
+		$messages = '';
+		foreach ($this->moduleData['messages'] as $categorie => $array) {
+			$messages = $messages . '[' . $categorie . ']' . "\n";
+			foreach ($array as $key => $message) {
+				$messages = $messages . $key . '="' . $message . '"' . "\n";
+			}
+		}
+		$files['/opt/openslx/xscreensaver/messages.ini'] = array_values(unpack('C*', $messages));
+
+		/* Add locked files if there are any */
+		if (isset($this->moduleData['texts']['text-idle-kill-locked']))
+			$files['/opt/openslx/xscreensaver/text-idle-kill-locked'] = array_values(unpack('C*', $this->wrapHtmlTags('text-idle-kill-locked')));
+		if (isset($this->moduleData['texts']['text-no-timeout-locked']))
+			$files['/opt/openslx/xscreensaver/text-no-timeout-locked'] = array_values(unpack('C*', $this->wrapHtmlTags('text-no-timeout-locked')));
+		if (isset($this->moduleData['texts']['text-shutdown-locked']))
+			$files['/opt/openslx/xscreensaver/text-shutdown-locked'] = array_values(unpack('C*', $this->wrapHtmlTags('text-shutdown-locked')));
+
+		return $files;
+	}
+
+	private function wrapHtmlTags($text_name)
+	{
+		return '<html><body>' . $this->moduleData['texts'][$text_name] . '</body></html>';
+	}
+}
-- 
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