web-base/core/Documents/Install.class.php
2022-06-20 19:52:31 +02:00

931 lines
30 KiB
PHP

<?php
namespace Documents {
use Documents\Install\InstallBody;
use Documents\Install\InstallHead;
use Elements\HtmlDocument;
use Objects\Router\Router;
class Install extends HtmlDocument {
public function __construct(Router $router) {
parent::__construct($router, InstallHead::class, InstallBody::class);
$this->databaseRequired = false;
}
}
}
namespace Documents\Install {
use Configuration\Configuration;
use Configuration\CreateDatabase;
use Driver\SQL\Query\Commit;
use Driver\SQL\Query\RollBack;
use Driver\SQL\Query\StartTransaction;
use Driver\SQL\SQL;
use Elements\Body;
use Elements\Head;
use Elements\Link;
use Elements\Script;
use External\PHPMailer\Exception;
use External\PHPMailer\PHPMailer;
use Objects\ConnectionData;
class InstallHead extends Head {
public function __construct($document) {
parent::__construct($document);
}
protected function initSources() {
$this->loadJQuery();
$this->loadBootstrap();
$this->loadFontawesome();
$this->addJS(Script::CORE);
$this->addCSS(Link::CORE);
$this->addJS(Script::INSTALL);
}
protected function initMetas(): array {
return array(
array('name' => 'viewport', 'content' => 'width=device-width, initial-scale=1.0'),
array('name' => 'format-detection', 'content' => 'telephone=yes'),
array('charset' => 'utf-8'),
array("http-equiv" => 'expires', 'content' => '0'),
array("name" => 'robots', 'content' => 'noarchive'),
);
}
protected function initRawFields(): array {
return array();
}
protected function initTitle(): string {
return "WebBase - Installation";
}
}
class InstallBody extends Body {
// Status enum
const NOT_STARTED = 0;
const PENDING = 1;
const SUCCESSFUL = 2;
const ERROR = 3;
// Step enum
const CHECKING_REQUIREMENTS = 1;
const INSTALL_DEPENDENCIES = 2;
const DATABASE_CONFIGURATION = 3;
const CREATE_USER = 4;
const ADD_MAIL_SERVICE = 5;
const FINISH_INSTALLATION = 6;
//
private string $errorString;
private int $currentStep;
private array $steps;
function __construct($document) {
parent::__construct($document);
$this->errorString = "";
$this->currentStep = InstallBody::CHECKING_REQUIREMENTS;
$this->steps = array();
}
function isDocker(): bool {
return file_exists("/.dockerenv");
}
private function getParameter($name): ?string {
if (isset($_REQUEST[$name]) && is_string($_REQUEST[$name])) {
return trim($_REQUEST[$name]);
}
return NULL;
}
private function composerInstall(bool $dryRun = false): array {
$command = "composer install";
if ($dryRun) {
$command .= " --dry-run";
}
$fds = [
"1" => ["pipe", "w"],
"2" => ["pipe", "w"],
];
$dir = $this->getExternalDirectory();
$env = null;
if (!getenv("HOME")) {
$env = ["COMPOSER_HOME" => $dir];
}
$proc = proc_open($command, $fds, $pipes, $dir, $env);
$output = stream_get_contents($pipes[1]) . stream_get_contents($pipes[2]);
$status = proc_close($proc);
return [$status, $output];
}
private function getExternalDirectory(bool $absolute = true): string {
if ($absolute) {
return implode(DIRECTORY_SEPARATOR, [WEBROOT, "core", "External"]);;
} else {
return implode(DIRECTORY_SEPARATOR, ["core", "External"]);
}
}
private function getCurrentStep(): int {
if (!$this->checkRequirements()["success"]) {
return self::CHECKING_REQUIREMENTS;
}
$externalDir = $this->getExternalDirectory();
$autoload = implode(DIRECTORY_SEPARATOR, [$externalDir, "vendor", "autoload.php"]);
if (!is_file($autoload)) {
return self::INSTALL_DEPENDENCIES;
} else {
list ($status, $output) = $this->composerInstall(true);
if ($status !== 0) {
$this->errorString = "Error executing 'composer install --dry-run'. Please verify that the command succeeds locally and then try again. Status Code: $status, Output: $output";
return self::CHECKING_REQUIREMENTS;
} else {
if (!contains($output, "Nothing to install, update or remove")) {
return self::INSTALL_DEPENDENCIES;
}
}
}
$context = $this->getDocument()->getContext();
$config = $context->getConfig();
// Check if database configuration exists
if (!$config->getDatabase()) {
return self::DATABASE_CONFIGURATION;
}
$sql = $context->getSQL();
if (!$sql || !$sql->isConnected()) {
return self::DATABASE_CONFIGURATION;
}
$countKeyword = $sql->count();
$res = $sql->select($countKeyword)->from("User")->execute();
if ($res === FALSE) {
return self::DATABASE_CONFIGURATION;
} else {
if ($res[0]["count"] > 0) {
$step = self::ADD_MAIL_SERVICE;
} else {
return self::CREATE_USER;
}
}
if ($step === self::ADD_MAIL_SERVICE) {
$req = new \Api\Settings\Get($context);
$success = $req->execute(array("key" => "^mail_enabled$"));
if (!$success) {
$this->errorString = $req->getLastError();
return self::DATABASE_CONFIGURATION;
} else if (isset($req->getResult()["settings"]["mail_enabled"])) {
$step = self::FINISH_INSTALLATION;
$req = new \Api\Settings\Set($context);
$success = $req->execute(array("settings" => array("installation_completed" => "1")));
if (!$success) {
$this->errorString = $req->getLastError();
} else {
$req = new \Api\Notifications\Create($context);
$req->execute(array(
"title" => "Welcome",
"message" => "Your Web-base was successfully installed. Check out the admin dashboard. Have fun!",
"groupId" => USER_GROUP_ADMIN
)
);
$this->errorString = $req->getLastError();
}
}
}
return $step;
}
private function command_exist(string $cmd): bool {
$return = shell_exec(sprintf("which %s 2>/dev/null", escapeshellarg($cmd)));
return !empty($return);
}
private function checkRequirements(): array {
$msg = $this->errorString;
$success = true;
$failedRequirements = array();
if (!is_writeable(WEBROOT)) {
$failedRequirements[] = sprintf("<b>%s</b> is not writeable. Try running <b>chmod 700 %s</b>", WEBROOT, WEBROOT);
$success = false;
}
if (function_exists("posix_getuid")) {
$userId = posix_getuid();
if (fileowner(WEBROOT) !== $userId) {
$username = posix_getpwuid($userId)['name'];
$failedRequirements[] = sprintf("<b>%s</b> is not owned by current user: $username ($userId). " .
"Try running <b>chown -R $userId %s</b> or give the required directories write permissions: " .
"<b>core/Configuration</b>, <b>core/Cache</b>, <b>core/External</b>",
WEBROOT, WEBROOT);
$success = false;
}
}
if (!function_exists("yaml_emit")) {
$failedRequirements[] = "<b>YAML</b> extension is not installed.";
$success = false;
}
if (version_compare(PHP_VERSION, '7.4', '<')) {
$failedRequirements[] = "PHP Version <b>>= 7.4</b> is required. Got: <b>" . PHP_VERSION . "</b>";
$success = false;
}
if (!$this->command_exist("composer")) {
$failedRequirements[] = "<b>Composer</b> is not installed or cannot be found.";
$success = false;
}
if (!$success) {
$msg = "The following requirements failed the check:<br>" .
$this->createUnorderedList($failedRequirements);
$this->errorString = $msg;
}
return array("success" => $success, "msg" => $msg);
}
private function installDependencies(): array {
list ($status, $output) = $this->composerInstall();
return ["success" => $status === 0, "msg" => $output];
}
private function databaseConfiguration(): array {
$host = $this->getParameter("host");
$port = $this->getParameter("port");
$username = $this->getParameter("username");
$password = $this->getParameter("password");
$database = $this->getParameter("database");
$type = $this->getParameter("type");
$encoding = $this->getParameter("encoding") ?? "UTF8";
$success = true;
$missingInputs = array();
if (empty($host)) {
$success = false;
$missingInputs[] = "Host";
}
if (empty($port)) {
$success = false;
$missingInputs[] = "Port";
}
if (empty($username)) {
$success = false;
$missingInputs[] = "Username";
}
if (is_null($password)) {
$success = false;
$missingInputs[] = "Password";
}
if (empty($database)) {
$success = false;
$missingInputs[] = "Database";
}
if (empty($type)) {
$success = false;
$missingInputs[] = "Type";
}
$supportedTypes = array("mysql", "postgres");
if (!$success) {
$msg = "Please fill out the following inputs:<br>" .
$this->createUnorderedList($missingInputs);
} else if (!is_numeric($port) || ($port = intval($port)) < 1 || $port > 65535) {
$msg = "Port must be in range of 1-65535.";
$success = false;
} else if (!in_array($type, $supportedTypes)) {
$msg = "Unsupported database type. Must be one of: " . implode(", ", $supportedTypes);
$success = false;
} else {
$connectionData = new ConnectionData($host, $port, $username, $password);
$connectionData->setProperty('database', $database);
$connectionData->setProperty('encoding', $encoding);
$connectionData->setProperty('type', $type);
$connectionData->setProperty('isDocker', $this->isDocker());
$sql = SQL::createConnection($connectionData);
$success = false;
if (is_string($sql)) {
$msg = "Error connecting to database: $sql";
} else if (!$sql->isConnected()) {
if (!$sql->checkRequirements()) {
$driverName = $sql->getDriverName();
$installLink = "https://www.php.net/manual/en/$driverName.setup.php";
$link = $this->createExternalLink($installLink);
$msg = "$driverName is not enabled yet. See: $link";
} else {
$msg = "Error connecting to database:<br>" . $sql->getLastError();
}
} else {
$msg = "";
$success = true;
$queries = CreateDatabase::createQueries($sql);
array_unshift($queries, new StartTransaction($sql));
$queries[] = new Commit($sql);
foreach ($queries as $query) {
try {
if (!$query->execute()) {
$msg = "Error creating tables: " . $sql->getLastError();
$success = false;
}
} finally {
if (!$success) {
(new RollBack($sql))->execute();
}
}
if (!$success) {
break;
}
}
if ($success) {
$context = $this->getDocument()->getContext();
$config = $context->getConfig();
if (Configuration::create("Database", $connectionData) === false) {
$success = false;
$msg = "Unable to write database file";
} else {
$config->setDatabase($connectionData);
if (!$context->initSQL()) {
$success = false;
$msg = "Unable to verify database connection after installation";
} else {
$req = new \Api\Routes\GenerateCache($context);
if (!$req->execute()) {
$success = false;
$msg = "Unable to write route file: " . $req->getLastError();
}
}
}
}
$sql->close();
}
}
return array("success" => $success, "msg" => $msg);
}
private function createUser(): array {
$context = $this->getDocument()->getContext();
if ($this->getParameter("prev") === "true") {
$success = $context->getConfig()->delete("Database");
$msg = $success ? "" : error_get_last();
return array("success" => $success, "msg" => $msg);
}
$username = $this->getParameter("username");
$password = $this->getParameter("password");
$confirmPassword = $this->getParameter("confirmPassword");
$email = $this->getParameter("email") ?? "";
$success = true;
$missingInputs = array();
if (empty($username)) {
$success = false;
$missingInputs[] = "Username";
}
if (empty($password)) {
$success = false;
$missingInputs[] = "Password";
}
if (empty($confirmPassword)) {
$success = false;
$missingInputs[] = "Confirm Password";
}
if (!$success) {
$msg = "Please fill out the following inputs:<br>" .
$this->createUnorderedList($missingInputs);
} else {
$req = new \Api\User\Create($context);
$success = $req->execute(array(
'username' => $username,
'email' => $email,
'password' => $password,
'confirmPassword' => $confirmPassword,
));
$msg = $req->getLastError();
if ($success) {
$sql = $context->getSQL();
$success = $sql->insert("UserGroup", array("group_id", "user_id"))
->addRow(USER_GROUP_ADMIN, $req->getResult()["userId"])
->execute();
$msg = $sql->getLastError();
}
}
return array("msg" => $msg, "success" => $success);
}
private function addMailService(): array {
$context = $this->getDocument()->getContext();
if ($this->getParameter("prev") === "true") {
$sql = $context->getSQL();
$success = $sql->delete("User")->execute();
$msg = $sql->getLastError();
return array("success" => $success, "msg" => $msg);
}
if ($this->getParameter("skip") === "true") {
$req = new \Api\Settings\Set($context);
$success = $req->execute(array("settings" => array("mail_enabled" => "0")));
$msg = $req->getLastError();
} else {
$address = $this->getParameter("address");
$port = $this->getParameter("port");
$username = $this->getParameter("username");
$password = $this->getParameter("password");
$success = true;
$missingInputs = array();
if (empty($address)) {
$success = false;
$missingInputs[] = "SMTP Address";
}
if (empty($port)) {
$success = false;
$missingInputs[] = "Port";
}
if (empty($username)) {
$success = false;
$missingInputs[] = "Username";
}
if (is_null($password)) {
$success = false;
$missingInputs[] = "Password";
}
if (!$success) {
$msg = "Please fill out the following inputs:<br>" .
$this->createUnorderedList($missingInputs);
} else if (!is_numeric($port) || ($port = intval($port)) < 1 || $port > 65535) {
$msg = "Port must be in range of 1-65535.";
$success = false;
} else {
$success = false;
$mail = new PHPMailer(true);
$mail->IsSMTP();
$mail->SMTPAuth = true;
$mail->Username = $username;
$mail->Password = $password;
$mail->Host = $address;
$mail->Port = $port;
$mail->SMTPSecure = 'tls';
$mail->Timeout = 10;
try {
$success = $mail->SmtpConnect();
if (!$success) {
$error = empty($mail->ErrorInfo) ? "Unknown Error" : $mail->ErrorInfo;
$msg = "Could not connect to SMTP Server: $error";
} else {
$success = true;
$msg = "";
$mail->smtpClose();
}
} catch (Exception $error) {
$msg = "Could not connect to SMTP Server: " . $error->errorMessage();
}
if ($success) {
$req = new \Api\Settings\Set($context);
$success = $req->execute(array("settings" => array(
"mail_enabled" => "1",
"mail_host" => "$address",
"mail_port" => "$port",
"mail_username" => "$username",
"mail_password" => "$password",
)));
$msg = $req->getLastError();
}
}
}
return array("success" => $success, "msg" => $msg);
}
private function performStep(): array {
switch ($this->currentStep) {
case self::CHECKING_REQUIREMENTS:
return $this->checkRequirements();
case self::INSTALL_DEPENDENCIES:
return $this->installDependencies();
case self::DATABASE_CONFIGURATION:
return $this->databaseConfiguration();
case self::CREATE_USER:
return $this->createUser();
case self::ADD_MAIL_SERVICE:
return $this->addMailService();
default:
return array(
"success" => false,
"msg" => "Invalid step number"
);
}
}
private function createProgressSidebar(): string {
$items = array();
foreach ($this->steps as $num => $step) {
$title = $step["title"];
$status = $step["status"];
$currentStep = ($num == $this->currentStep) ? " id=\"currentStep\"" : "";
switch ($status) {
case self::PENDING:
$statusIcon = $this->createIcon("spinner");
$statusText = "Loading…";
$statusColor = "muted";
break;
case self::SUCCESSFUL:
$statusIcon = $this->createIcon("check-circle");
$statusText = "Successful";
$statusColor = "success";
break;
case self::ERROR:
$statusIcon = $this->createIcon("times-circle");
$statusText = "Failed";
$statusColor = "danger";
break;
case self::NOT_STARTED:
default:
$statusIcon = $this->createIcon("circle", "far");
$statusText = "Pending";
$statusColor = "muted";
break;
}
$items[] = "
<li class=\"list-group-item d-flex justify-content-between lh-condensed\"$currentStep>
<div>
<h6 class=\"my-0\">$title</h6>
<small class=\"text-$statusColor\">$statusText</small>
</div>
<span class=\"text-$statusColor\">$statusIcon</span>
</li>";
}
return implode("", $items);
}
private function createFormItem($formItem, $inline = false): string {
$title = $formItem["title"];
$name = $formItem["name"];
$type = $formItem["type"];
$attributes = array(
"name" => $name,
"id" => $name,
"class" => "form-control"
);
if (isset($formItem["required"]) && $formItem["required"]) {
$attributes["required"] = "";
}
if ($type !== "select") {
$attributes["type"] = $type;
if (isset($formItem["value"]) && $formItem["value"]) {
$attributes["value"] = $formItem["value"];
}
if ($type === "number") {
if (isset($formItem["min"]) && is_numeric($formItem["min"]))
$attributes["min"] = $formItem["min"];
if (isset($formItem["max"]) && is_numeric($formItem["max"]))
$attributes["max"] = $formItem["max"];
if (isset($formItem["step"]) && is_numeric($formItem["step"]))
$attributes["step"] = $formItem["step"];
} else {
if (isset($formItem["default"])) {
$attributes["value"] = $formItem["default"];
}
}
}
// $attributes = html_attributes($attributes);
if ($type === "select") {
$items = $formItem["items"] ?? array();
$options = [];
foreach ($items as $key => $val) {
$options[] = html_tag_ex("option", ["value" => $key], $val, true, false);
}
$element = html_tag_ex("select", $attributes, $options, false);
} else {
$element = html_tag_short("input", $attributes);
}
$label = html_tag_ex("label", ["for" => $name], $title, true, false);
$className = ($inline ? "col-md-6 mb-3" : "d-block my-3");
return html_tag_ex("div", ["class" => $className], $label . $element, false);
}
private function createProgressMainview(): string {
$isDocker = $this->isDocker();
$defaultHost = ($isDocker ? "db" : "localhost");
$defaultUsername = ($isDocker ? "root" : "");
$defaultPassword = ($isDocker ? "webbasedb" : "");
$defaultDatabase = ($isDocker ? "webbase" : "");
$views = array(
self::CHECKING_REQUIREMENTS => array(
"title" => "Application Requirements",
"progressText" => "Checking requirements, please wait a moment…"
),
self::INSTALL_DEPENDENCIES => array(
"title" => "Installing Dependencies",
"progressText" => "Please wait while required dependencies are being installed…",
),
self::DATABASE_CONFIGURATION => array(
"title" => "Database configuration",
"form" => array(
array("title" => "Database Type", "name" => "type", "type" => "select", "required" => true, "items" => array(
"mysql" => "MySQL", "postgres" => "PostgreSQL"
)),
array("title" => "Username", "name" => "username", "type" => "text", "required" => true, "default" => $defaultUsername),
array("title" => "Password", "name" => "password", "type" => "password", "default" => $defaultPassword),
array("title" => "Database", "name" => "database", "type" => "text", "required" => true, "default" => $defaultDatabase),
array("type" => "row", "items" => array(
array(
"title" => "Address", "name" => "host", "type" => "text", "required" => true,
"value" => "localhost", "row" => true, "default" => $defaultHost
),
array(
"title" => "Port", "name" => "port", "type" => "number", "required" => true,
"value" => "3306", "min" => "1", "max" => "65535", "row" => true
)
)),
array(
"title" => "Encoding", "name" => "encoding", "type" => "text", "required" => false,
"value" => "UTF8"
),
)
),
self::CREATE_USER => array(
"title" => "Create a User",
"form" => array(
array("title" => "Username", "name" => "username", "type" => "text", "required" => true),
array("title" => "Email", "name" => "email", "type" => "text"),
array("title" => "Password", "name" => "password", "type" => "password", "required" => true),
array("title" => "Confirm Password", "name" => "confirmPassword", "type" => "password", "required" => true),
),
"previousButton" => true
),
self::ADD_MAIL_SERVICE => array(
"title" => "Optional: Add Mail Service",
"form" => array(
array("title" => "Username", "name" => "username", "type" => "text", "required" => true),
array("title" => "Password", "name" => "password", "type" => "password"),
array("type" => "row", "items" => array(
array(
"title" => "SMTP Address", "name" => "address", "type" => "text", "required" => true,
"value" => "localhost", "row" => true
),
array(
"title" => "Port", "name" => "port", "type" => "number", "required" => true,
"value" => "587", "min" => "1", "max" => "65535", "row" => true
)
)),
),
"skip" => true,
"previousButton" => true
),
self::FINISH_INSTALLATION => array(
"title" => "Finish Installation",
"text" => "Installation finished, you can now customize your own website, check the source code and stuff."
)
);
if (!isset($views[$this->currentStep])) {
return "";
}
$currentView = $views[$this->currentStep];
$prevDisabled = !isset($currentView["previousButton"]) || !$currentView["previousButton"];
$spinnerIcon = $this->createIcon("spinner");
$title = $currentView["title"];
$html = "<h4 class=\"mb-3\">$title</h4><hr class=\"mb-4\" />";
if (isset($currentView["text"])) {
$text = $currentView["text"];
$html .= "<div class=\"my-3\">$text</i></div>";
}
if (isset($currentView["progressText"])) {
$progressText = $currentView["progressText"];
$hidden = (!in_array($this->currentStep, [self::CHECKING_REQUIREMENTS, self::INSTALL_DEPENDENCIES]))
? " hidden" : "";
$html .= "<div id=\"progressText\" class=\"my-3$hidden\">$progressText$spinnerIcon</i></div>";
}
if (isset($currentView["form"])) {
$html .= "<form id=\"installForm\">";
foreach ($currentView["form"] as $formItem) {
if ($formItem["type"] === "row") {
$html .= "<div class=\"row\">";
foreach ($formItem["items"] as $item) {
$html .= $this->createFormItem($item, true);
}
$html .= "</div>";
} else {
$html .= $this->createFormItem($formItem);
}
}
$html .= "</form>";
}
$buttons = array(
array("title" => "Go Back", "type" => "info", "id" => "btnPrev", "float" => "left", "disabled" => $prevDisabled)
);
if ($this->currentStep != self::FINISH_INSTALLATION) {
if (in_array($this->currentStep, [self::CHECKING_REQUIREMENTS, self::INSTALL_DEPENDENCIES])) {
$buttons[] = array("title" => "Retry", "type" => "success", "id" => "btnRetry", "float" => "right", "hidden" => true);
} else {
$buttons[] = array("title" => "Submit", "type" => "success", "id" => "btnSubmit", "float" => "right");
}
} else {
$buttons[] = array("title" => "Finish", "type" => "success", "id" => "btnFinish", "float" => "right");
}
if (isset($currentView["skip"])) {
$buttons[] = array("title" => "Skip", "type" => "secondary", "id" => "btnSkip", "float" => "right");
}
$buttonsLeft = "";
$buttonsRight = "";
foreach ($buttons as $button) {
$title = $button["title"];
$type = $button["type"];
$id = $button["id"];
$float = $button["float"];
$disabled = (isset($button["disabled"]) && $button["disabled"]) ? " disabled" : "";
$hidden = (isset($button["hidden"]) && $button["hidden"]) ? " hidden" : "";
$button = "<button type=\"button\" id=\"$id\" class=\"btn btn-$type m-1$hidden\"$disabled>$title</button>";
if ($float === "left") {
$buttonsLeft .= $button;
} else {
$buttonsRight .= $button;
}
}
$html .=
"<div class=\"row\">
<div class=\"col-6 float-left text-left\">$buttonsLeft</div>
<div class=\"col-6 float-right text-right\">$buttonsRight</div>
</div>";
return $html;
}
function getCode(): string {
$html = parent::getCode();
$this->steps = array(
self::CHECKING_REQUIREMENTS => array(
"title" => "Checking requirements",
"status" => self::ERROR
),
self::INSTALL_DEPENDENCIES => array(
"title" => "Install dependencies",
"status" => self::NOT_STARTED
),
self::DATABASE_CONFIGURATION => array(
"title" => "Database configuration",
"status" => self::NOT_STARTED
),
self::CREATE_USER => array(
"title" => "Create User",
"status" => self::NOT_STARTED
),
self::ADD_MAIL_SERVICE => array(
"title" => "Add Mail Service",
"status" => self::NOT_STARTED
),
self::FINISH_INSTALLATION => array(
"title" => "Finish Installation",
"status" => self::NOT_STARTED
),
);
$this->currentStep = $this->getCurrentStep();
// set status
for ($step = self::CHECKING_REQUIREMENTS; $step < $this->currentStep; $step++) {
$this->steps[$step]["status"] = self::SUCCESSFUL;
}
if ($this->currentStep == self::FINISH_INSTALLATION) {
$this->steps[$this->currentStep]["status"] = self::SUCCESSFUL;
}
// POST
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
if (!isset($_REQUEST['status'])) {
$response = $this->performStep();
} else {
$response = ["error" => $this->errorString];
}
$response["step"] = $this->currentStep;
die(json_encode($response));
}
$progressSidebar = $this->createProgressSidebar();
$progressMainView = $this->createProgressMainview();
$errorStyle = ($this->errorString ? '' : ' style="display:none"');
$errorClass = ($this->errorString ? ' alert-danger' : '');
$html .= "
<body class=\"bg-light\">
<div class=\"container\">
<div class=\"py-5 text-center\">
<h2>WebBase - Installation</h2>
<p class=\"lead\">
Process the following steps and fill out the required forms to install your WebBase-Installation.
</p>
</div>
<div class=\"row\">
<div class=\"col-md-4 order-md-2 mb-4\">
<h4 class=\"d-flex justify-content-between align-items-center mb-3\">
<span class=\"text-muted\">Progress</span>
</h4>
<ul class=\"list-group mb-3\">
$progressSidebar
</ul>
</div>
<div class=\"col-md-8 order-md-1\">
$progressMainView
<div class=\"alert$errorClass mt-4\" id=\"status\"$errorStyle>$this->errorString</div>
</div>
</div>
</div>
</body>";
return $html;
}
}
}