import/export config

lam/lib/config.inc

@@ -2681,6 +2681,30 @@ class LAMCfgMain {
 		$this->reload();
 	}
 
+	/**
+	 * Exports the configuration data.
+	 *
+	 * @return array config data
+	 */
+	public function exportData() {
+		$data = array();
+		foreach ($this->settings as $setting) {
+			$data[$setting] = $this->$setting;
+		}
+		return $data;
+	}
+
+	/**
+	 * Imports configuration data.
+	 *
+	 * @param array $data config data
+	 */
+	public function importData($data) {
+		foreach ($data as $dataKey => $dataValue) {
+			$this->$dataKey = $dataValue;
+		}
+	}
+
 	/**
 	* Reloads preferences from config file config.cfg
 	*

lam/lib/persistence.inc

@@ -0,0 +1,58 @@
+<?php
+namespace LAM\PERSISTENCE;
+/*
+
+  This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
+  Copyright (C) 2020  Roland Gruber
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+*/
+
+/**
+ * This file includes functions to manage the persistence of LAM's configuration files.
+ *
+ * @package configuration
+ * @author Roland Gruber
+ */
+
+include_once __DIR__ . '/config.inc';
+
+/**
+ * Exprter for LAM's configuration data.
+ */
+class ConfigDataExporter {
+
+	/**
+	 * Exports LAM's configuration data in JSON format.
+	 */
+	public function exportAsJson() {
+		$jsonData = array();
+		$jsonData['mainconfig'] = $this->_getMainConfigData();
+		return json_encode($jsonData);
+	}
+
+	/**
+	 * Internal function to read master configuration.
+	 *
+	 * @return array data
+	 */
+	public function _getMainConfigData() {
+		$mainCfg = new \LAMCfgMain();
+		return $mainCfg->exportData();
+	}
+
+}
+

lam/tests/lib/LAMCfgMainTest.php

@@ -120,4 +120,39 @@ class LAMCfgMainTest extends TestCase {
 		$this->assertFalse($this->conf->showLicenseWarningOnScreen());
 	}
 
+	/**
+	 * Tests the export.
+	 */
+	public function testExportData() {
+		$this->conf->passwordMinLower = 3;
+		$this->conf->sessionTimeout = 240;
+		$this->conf->logLevel = LOG_ERR;
+		$this->conf->mailServer = 'mailserver';
+
+		$data = $this->conf->exportData();
+
+		$this->assertEquals(3, $data['passwordMinLower']);
+		$this->assertEquals(240, $data['sessionTimeout']);
+		$this->assertEquals(LOG_ERR, $data['logLevel']);
+		$this->assertEquals('mailserver', $data['mailServer']);
+	}
+
+	/**
+	 * Tests the import.
+	 */
+	public function testImportData() {
+		$importData = array();
+		$importData['passwordMinLower'] = 3;
+		$importData['sessionTimeout'] = 240;
+		$importData['logLevel'] = LOG_ERR;
+		$importData['mailServer'] = 'mailserver';
+
+		$this->conf->importData($importData);
+
+		$this->assertEquals(3, $this->conf->passwordMinLower);
+		$this->assertEquals(240, $this->conf->sessionTimeout);
+		$this->assertEquals(LOG_ERR, $this->conf->logLevel);
+		$this->assertEquals('mailserver', $this->conf->mailServer);
+	}
+
 }

lam/tests/lib/modules/persistenceTest.php

@@ -0,0 +1,53 @@
+<?php
+namespace LAM\PERSISTENCE;
+use PHPUnit\Framework\TestCase;
+/*
+
+ This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
+ Copyright (C) 2020  Roland Gruber
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+ */
+
+include_once __DIR__ . '/../../../lib/persistence.inc';
+
+/**
+ * ConfigDataExporter test case.
+ *
+ * @author Roland Gruber
+ */
+class ConfigDataExporterTest extends TestCase {
+
+	public function testExportAsJson() {
+		$mainData = array(
+			'confMainKey1' => 'val',
+			'confMainKey2' => 4,
+			'confMainKey3' => '',
+		);
+		$expectedJson = json_encode(array('mainconfig' => $mainData));
+
+		$exporter = $this->getMockBuilder('\LAM\PERSISTENCE\ConfigDataExporter')
+			->setMethods(array('_getMainConfigData'))
+			->getMock();
+		$exporter->method('_getMainConfigData')->willReturn($mainData);
+
+		$json = $exporter->exportAsJson();
+
+		$this->assertEquals($expectedJson, $json);
+	}
+
+}
+