fix checkbox-value for installation; fix session-initialization; preselect various guessable fields to ease installation

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

install/install.php

@@ -23,6 +23,7 @@
  * @license    https://files.froxlor.org/misc/COPYING.txt GPLv2
  */
 
+use Froxlor\UI\Panel\UI;
 use Froxlor\Install\Install;
 
 // define default theme for configurehint, etc.
@@ -31,20 +32,20 @@ $_deftheme = 'Froxlor';
 // validate correct php version
 if (version_compare("7.4.0", PHP_VERSION, ">=")) {
 	die(view($_deftheme . '/misc/phprequirementfailed.html.twig', [
-			'{{ basehref }}' => '../',
-			'{{ froxlor_min_version }}' => '7.4.0',
-			'{{ current_version }}' => PHP_VERSION,
-			'{{ current_year }}' => date('Y', time()),
-		]));
+		'{{ basehref }}' => '../',
+		'{{ froxlor_min_version }}' => '7.4.0',
+		'{{ current_version }}' => PHP_VERSION,
+		'{{ current_year }}' => date('Y', time()),
+	]));
 }
 
 // validate vendor autoloader
 if (!file_exists(dirname(__DIR__) . '/vendor/autoload.php')) {
 	die(view($_deftheme . '/misc/vendormissinghint.html.twig', [
-			'{{ basehref }}' => '../',
-			'{{ froxlor_install_dir }}' => dirname(__DIR__),
-			'{{ current_year }}' => date('Y', time()),
-		]));
+		'{{ basehref }}' => '../',
+		'{{ froxlor_install_dir }}' => dirname(__DIR__),
+		'{{ current_year }}' => date('Y', time()),
+	]));
 }
 
 // check installation status
@@ -54,8 +55,13 @@ if (file_exists(dirname(__DIR__) . '/lib/userdata.inc.php')) {
 }
 
 require dirname(__DIR__) . '/vendor/autoload.php';
-require dirname(__DIR__) . '/lib/functions.php';
 require dirname(__DIR__) . '/lib/tables.inc.php';
 
+// init twig
+UI::initTwig(true);
+UI::sendHeaders();
+
+require dirname(__DIR__) . '/lib/functions.php';
+
 $installer = new Install();
 $installer->handle();

lib/Froxlor/Install/Install.php

@@ -67,6 +67,10 @@ class Install
 		// sort by distribution name
 		asort($this->supportedOS);
 
+		// guess distribution and webserver to preselect in formfield
+		$guessedDistribution = $this->guessDistribution();
+		$guessedWebserver = $this->guessWebserver();
+
 		// set formfield, so we can get the fields and steps etc.
 		$this->formfield = require dirname(__DIR__, 3) . '/lib/formfields/install/formfield.install.php';
 
@@ -78,10 +82,6 @@ class Install
 		$this->phpVersion = phpversion();
 		$this->loadedExtensions = get_loaded_extensions();
 
-		// init twig
-		UI::initTwig(true);
-		UI::sendHeaders();
-
 		// set global variables
 		UI::twig()->addGlobal('install_mode', true);
 		UI::twig()->addGlobal('basehref', '../');
@@ -155,6 +155,7 @@ class Install
 		if ($this->currentStep == ($this->maxSteps - 1)) {
 			$core = new Core($_SESSION['installation']);
 			$core->doInstall();
+			// @todo no going back after this point!
 		}
 
 		// redirect user to home if the installation is done
@@ -271,7 +272,7 @@ class Install
 
 		if (!preg_match('/^[^\r\n\t\f\0]*$/D', $name)) {
 			throw new Exception(lng('error.stringformaterror', ['admin_name']));
-		} elseif (empty(trim($loginname)) || !preg_match('/^[a-z][a-z0-9]', $loginname)) {
+		} elseif (empty(trim($loginname)) || !preg_match('/^[a-z][a-z0-9]+$/', $loginname)) {
 			throw new Exception(lng('error.loginnameiswrong', [$loginname]));
 		} elseif (empty(trim($email)) || !Validate::validateEmail($email)) {
 			throw new Exception(lng('error.emailiswrong', [$email]));
@@ -332,4 +333,37 @@ class Install
 
 		// @todo build and set $validatedData['mysql_access_host']
 	}
+
+	private function guessWebserver(): ?string
+	{
+		if (strtoupper(@php_sapi_name()) == "APACHE2HANDLER" || stristr($_SERVER['SERVER_SOFTWARE'], "apache/2")) {
+			return 'apache24';
+		} elseif (substr(strtoupper(@php_sapi_name()), 0, 8) == "LIGHTTPD" || stristr($_SERVER['SERVER_SOFTWARE'], "lighttpd")) {
+			return 'lighttpd';
+		} elseif (substr(strtoupper(@php_sapi_name()), 0, 8) == "NGINX" || stristr($_SERVER['SERVER_SOFTWARE'], "nginx")) {
+			return 'nginx';
+		}
+		return null;
+	}
+
+	private function guessDistribution(): ?string
+	{
+		// set default os.
+		$os_dist = array(
+			'VERSION_CODENAME' => 'bullseye'
+		);
+		// read os-release
+		if (@file_exists('/etc/os-release')) {
+			$os_dist_content = file_get_contents('/etc/os-release');
+			$os_dist_arr = explode("\n", $os_dist_content);
+			$os_dist = [];
+			foreach ($os_dist_arr as $os_dist_line) {
+				if (empty(trim($os_dist_line))) continue;
+				$tmp = explode("=", $os_dist_line);
+				$os_dist[$tmp[0]] = str_replace('"', "", trim($tmp[1]));
+			}
+			return strtolower($os_dist['VERSION_CODENAME']);
+		}
+		return null;
+	}
 }

lib/formfields/install/formfield.install.php

@@ -132,7 +132,7 @@ return [
 					'admin_email' => [
 						'label' => lng('customer.email'),
 						'placeholder' => lng('customer.email'),
-						'type' => 'text',
+						'type' => 'email',
 						'mandatory' => true,
 						'value' => old('admin_email', null, 'installation'),
 					],
@@ -147,20 +147,21 @@ return [
 						'type' => 'select',
 						'mandatory' => true,
 						'select_var' => $this->supportedOS,
+						'selected' => $guessedDistribution
 					],
 					'serverip' => [
 						'label' => lng('serversettings.ipaddress.title'),
 						'placeholder' => lng('serversettings.ipaddress.title'),
 						'type' => 'text',
 						'mandatory' => true,
-						'value' => old('serverip', null, 'installation'),
+						'value' => old('serverip', $_SERVER['SERVER_ADDR'] ?? null, 'installation'),
 					],
 					'servername' => [
 						'label' => lng('install.system.servername'),
 						'placeholder' => lng('install.system.servername'),
 						'type' => 'text',
 						'mandatory' => true,
-						'value' => old('servername', null, 'installation'),
+						'value' => old('servername', filter_var($_SERVER['SERVER_NAME'] ?? "", FILTER_VALIDATE_IP) ? null : $_SERVER['SERVER_NAME'], 'installation'),
 					],
 					'use_ssl' => [
 						'label' => lng('serversettings.ssl.use_ssl.title'),
@@ -173,7 +174,7 @@ return [
 						'type' => 'select',
 						'mandatory' => true,
 						'select_var' => ['apache24' => 'Apache 2.4', 'nginx' => 'Nginx', 'lighttpd' => 'LigHTTPd'],
-						'value' => old('webserver', 'apache24', 'installation'),
+						'value' => old('webserver', $guessedWebserver, 'installation'),
 					],
 					'webserver_backend' => [
 						'label' => lng('install.system.phpbackend'),
@@ -187,14 +188,14 @@ return [
 						'placeholder' => lng('admin.webserver_user'),
 						'type' => 'text',
 						'mandatory' => true,
-						'value' => old('httpuser', posix_getpwuid(posix_getuid()), 'installation'),
+						'value' => old('httpuser', posix_getpwuid(posix_getuid())['name'] ?? '', 'installation'),
 					],
 					'httpgroup' => [
 						'label' => lng('admin.webserver_group'),
 						'placeholder' => lng('admin.webserver_group'),
 						'type' => 'text',
 						'mandatory' => true,
-						'value' => old('httpgroup', posix_getgrgid(posix_getgid()), 'installation'),
+						'value' => old('httpgroup', posix_getgrgid(posix_getgid())['name'] ?? '', 'installation'),
 					],
 					'activate_newsfeed' => [
 						'label' => lng('install.system.activate_newsfeed'),

templates/Froxlor/form/formfields.html.twig

@@ -71,7 +71,7 @@
 	{% else %}
 	<div class="form-check form-switch mb-3">
 		<input type="hidden" value="0" name="{{ id }}" />
-		<input type="checkbox" {% if (field.visible is defined and field.visible == false) or (field.disabled is defined and field.disabled == true) %} disabled {% endif %} value="{{ subfield.value }}" name="{{ id }}[]" class="form-check-input" {% if field.value is defined and subfield.value in field.value %} checked="checked" {% endif %}>
+		<input type="checkbox" {% if (field.visible is defined and field.visible == false) or (field.disabled is defined and field.disabled == true) %} disabled {% endif %} value="{{ subfield.value }}" name="{{ id }}[]" class="form-check-input" {% if field.checked is defined and field.checked == 1 %} checked="checked" {% endif %}>
 		<label for="{{ id }}" class="form-check-label">{{ field.label|raw }}</label>
 	</div>
 	{% endif %}