body {
background-color: #2b2a3d;
color: #d7e6e1;
font-family: monospace, monospace;
padding: 50px;
font-size: 13px;
}
input[type="text"],input[type="email"]{
width: 550px;
background-color: #151220;
color: #d7e6e1;
font-size: 100%;
}
label {
text-align: right;
display: block;
}
a {
color: #6e9fff;
}
');
$installerHead = 'Installer' . $style . '';
$okTile = '[ OK ]';
$failTile = '[ FAIL ]';
$nullTile = '[ -- ]';
$backButton = '';
$formBody = (
'
Database connection details
');
function resultHtmlStart() {
global $installerHead, $logo;
return $installerHead . '' . $logo;
}
function resultHtmlEnd() {
return '';
}
function formHtml() {
global $installerHead, $formBody;
return $installerHead . $formBody . '';
}
function finishOk() {
$out = "\n\n======================== Setup completed! ========================";
$out .= "\n* Please delete the ./install directory and all its included files.";
$out .= "\n* Visit /signup to create your account.";
return $out;
}
function finishError() {
global $backButton;
$out = "\n====================== Something went wrong ======================";
$out .= "\n$backButton";
return $out;
}
$steps = [
[
'description' => 'Compatibility checks',
'tasks' => [
['description' => 'PHP version', 'status' => null],
['description' => 'PDO PostgreSQL driver', 'status' => null],
['description' => 'Configuration folder (/config) read/write permission', 'status' => null],
['description' => '.htaccess available', 'status' => null],
['description' => 'cURL', 'status' => null],
['description' => 'Memory limit (Min. 128MB)', 'status' => null],
],
],
[
'description' => 'Database params',
'tasks' => [
['description' => 'Schema accessible', 'status' => null],
['description' => 'Database name', 'status' => null],
['description' => 'Database user', 'status' => null],
['description' => 'Database password', 'status' => null],
['description' => 'Database host', 'status' => null],
['description' => 'Database port', 'status' => null],
],
],
[
'description' => 'Database setup',
'tasks' => [
['description' => 'Database connection', 'status' => null],
/*['description' => 'Database version', 'status' => null],*/
['description' => 'Apply database schema', 'status' => null],
],
],
[
'description' => 'Config build',
'tasks' => [
['description' => 'Write config file', 'status' => null],
],
],
];
function proceed() {
$out = '';
if (configAlreadyExists()) {
$out .= resultHtmlStart();
$out .= "\nThe app is already configured.";
$out .= resultHtmlEnd();
echo $out;
return;
}
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$out .= resultHtmlStart();
[$status, $result, $config] = execute($_POST);
$out .= $result;
$out .= $status ? finishOk() : finishError();
$out .= resultHtmlEnd();
} else {
substituteFormWithEnv();
$out .= formHtml();
}
echo $out;
}
function execute(array $values) {
global $steps;
$out = '';
compatibilityCheck(0, $steps);
$out .= printTasks($steps[0]);
if (!tasksCompleted($steps[0])) {
return [false, $out, null];
}
dbConfig(1, $values, $steps);
$out .= printTasks($steps[1]);
if (!tasksCompleted($steps[1])) {
return [false, $out, null];
}
dbSaveConfig(2, $values, $steps);
$out .= printTasks($steps[2]);
if (!tasksCompleted($steps[2])) {
return [false, $out, null];
}
if (strval($values['mode'] ?? '') !== 'schema') {
$config = saveConfig(3, $values, $steps);
$out .= printTasks($steps[3]);
if (!tasksCompleted($steps[3])) {
return [false, $out, null];
}
}
return [true, $out, $config];
}
function configAlreadyExists(): bool {
return (getenv('SITE') && getenv('DATABASE_URL')) || file_exists('../config/local/config.local.ini');
}
function substituteFormWithEnv(): void {
global $formBody;
if (strval($_GET['mode'] ?? '') === 'schema') {
$formBody = preg_replace(
'/(]*>)/i',
'$1',
$formBody
);
}
$dbUrl = getenv('DATABASE_URL');
if ($dbUrl) {
$parts = parse_url($dbUrl);
if ($parts) {
$values = [
'db_user' => $parts['user'] ?? '',
'db_pass' => $parts['pass'] ?? '',
'db_host' => $parts['host'] ?? '',
'db_port' => $parts['port'] ?? '',
'db_name' => trim(($parts['path'] ?? ''), '/'),
];
foreach ($values as $key => $value) {
$safe = htmlspecialchars($value, ENT_QUOTES|ENT_SUBSTITUTE, 'UTF-8');
$formBody = preg_replace(
'/(]*\bname="' . preg_quote($key, '/') . '"(?![^>]*\bvalue=)[^>]*)(>)/i',
'$1 value="' . $safe . '"$2',
$formBody
);
}
}
}
}
function compatibilityCheck(int $step, array &$steps) {
$steps[$step]['tasks'][0]['status'] = version_compare(PHP_VERSION, MIN_PHP_VERSION) >= 0;
$steps[$step]['tasks'][1]['status'] = extension_loaded('pdo_pgsql') && extension_loaded('pgsql');
try {
if (is_writable('../config')) {
$f = fopen('../config/local/config.local.ini', 'w');
fclose($f);
unlink('../config/local/config.local.ini');
$steps[$step]['tasks'][2]['status'] = true;
} else {
$steps[$step]['tasks'][2]['status'] = false;
}
} catch (\Exception $e) {
$steps[$step]['tasks'][2]['status'] = false;
}
$steps[$step]['tasks'][3]['status'] = is_file('../.htaccess') && is_readable('../.htaccess');
$steps[$step]['tasks'][4]['status'] = extension_loaded('curl');
$memoryLimit = @ini_get('memory_limit');
$memLim = $memoryLimit;
preg_match('#^(\d+)(\w+)$#', strtolower($memLim), $match);
$memLim = match ($match[2]) {
'g' => intval($memLim) * 1024 * 1024 * 1024,
'm' => intval($memLim) * 1024 * 1024,
'k' => intval($memLim) * 1024,
default => intval($memLim),
};
$steps[$step]['tasks'][5]['status'] = $memLim >= MIN_MEMORY_LIM;
}
function dbConfig(int $step, array &$values, array &$steps) {
$steps[$step]['tasks'][0]['status'] = is_file('./install.sql');
$steps[$step]['tasks'][1]['status'] = $values['db_name'] !== '';
$steps[$step]['tasks'][2]['status'] = $values['db_user'] !== '';
$steps[$step]['tasks'][3]['status'] = $values['db_pass'] !== '';
$steps[$step]['tasks'][4]['status'] = $values['db_host'] !== '';
$steps[$step]['tasks'][5]['status'] = $values['db_port'] !== '';
}
function saveConfig(int $step, array $values, array &$steps): ?array {
$configData = null;
try {
$httpHost = strtolower(filter_var($_SERVER['HTTP_HOST'], FILTER_SANITIZE_URL));
if (strpos($httpHost, 'www.') === 0) {
$httpHost = substr($httpHost, 4);
} elseif (substr_count($httpHost, '.') == 1) {
$httpHost = 'www.' . $httpHost;
}
$httpHost = explode(':', $httpHost)[0];
$configData = [
'SITE' => $httpHost,
'DATABASE_URL' => "postgres://$values[db_user]:$values[db_pass]@$values[db_host]:$values[db_port]/$values[db_name]",
'PEPPER' => strval(bin2hex(random_bytes(32))),
];
if ($values['admin_email'] !== '') {
$configData['ADMIN_EMAIL'] = $values['admin_email'];
}
$config = "\n[globals]";
foreach ($configData as $key => $value) {
$config .= "\n$key=$value";
}
$configPath = '../config/local/config.local.ini';
$configFile = fopen($configPath, 'w');
fwrite($configFile, $config);
fclose($configFile);
$steps[$step]['tasks'][0]['status'] = true;
} catch (\Exception $e) {
$steps[$step]['tasks'][0]['status'] = false;
$steps[$step]['tasks'][0]['error'] = $e->getMessage();
}
return $configData;
}
function dbSaveConfig(int $step, array $values, array &$steps) {
$database = null;
$dsn = "pgsql:dbname=$values[db_name];host=$values[db_host];port=$values[db_port]";
$driverOptions = array(
\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION
);
try {
$database = new \PDO($dsn, $values['db_user'], $values['db_pass'], $driverOptions);
} catch (\Exception $e) {
$steps[$step]['tasks'][0]['status'] = false;
$steps[$step]['tasks'][0]['error'] = $e->getMessage();
return;
}
$steps[$step]['tasks'][0]['status'] = true;
/*$query = $database->query('SELECT VERSION()');
[$dbVersion] = $query->fetch(\PDO::FETCH_NUM);
if (!preg_match('/PostgreSQL (\d+\.\d+)/', $dbVersion, $matches) || version_compare($matches[1], '12.0', '<')) {
$steps[$step]['tasks'][1]['status'] = false;
return;
}
$steps[$step]['tasks'][1]['status'] = true;*/
try {
$sql = file_get_contents('./install.sql');
$database->exec($sql);
} catch (\Exception $e) {
$steps[$step]['tasks'][1]['status'] = false;
$steps[$step]['tasks'][1]['error'] = $e->getMessage();
return;
}
$steps[$step]['tasks'][1]['status'] = true;
}
function printTasks(array $tasks) {
global $okTile, $failTile, $nullTile;
$out = '';
$side = intdiv(64 - strlen($tasks['description']), 2);
$header = str_repeat('=', $side) . ' ' . $tasks['description'] . ' ' . str_repeat('=', $side);
$out .= "\n\n" . $header;
foreach ($tasks['tasks'] as $task) {
$st = ($task['status'] === true) ? $okTile : (($task['status'] === false) ? $failTile : $nullTile);
$err = array_key_exists('error', $task) ? ' (' . $task['error'] . ')' : '';
$out .= "\n" . $st . ' ' . $task['description'] . $err;
}
return $out;
}
function tasksCompleted(array $tasks) {
$results = array_column($tasks['tasks'], 'status');
return count(array_filter($results)) === count($results);
}
proceed();