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installer.php
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<?php
/* --------------------------------------------------------------------
Chevereto Installer
http://chevereto.com/
@author Rodolfo Berrios A. <http://rodolfoberrios.com/>
__ __
____/ / ___ _ _____ _______ / /____
/ __/ _ \/ -_) |/ / -_) __/ -_) __/ _ \
\__/_//_/\__/|___/\__/_/ \__/\__/\___/
--------------------------------------------------------------------- */
declare(strict_types=1);
const APP_NAME = 'Chevereto Installer';
const APP_VERSION = '2.3.0';
const APP_URL = 'https://github.com/chevereto/installer';
const PHP_VERSION_MIN = '7.4';
const PHP_VERSION_RECOMMENDED = '7.4';
const VENDOR = [
'name' => 'Chevereto',
'url' => 'https://chevereto.com',
'apiUrl' => 'https://chevereto.com/api',
'apiLicense' => 'https://chevereto.com/api/license/check',
];
const APPLICATIONS = [
'chevereto' => [
'name' => 'Chevereto',
'license' => 'Paid',
'url' => 'https://chevereto.com',
'zipball' => 'https://chevereto.com/api/download/%tag%',
'folder' => 'chevereto',
'vendor' => VENDOR,
],
];
$phpSettings = [
'error_reporting' => E_ALL ^ E_NOTICE,
'log_errors' => true,
'display_errors' => true,
'error_log' => __DIR__ . '/installer.error.log',
'time_limit' => 0,
'default_charset' => 'utf-8',
'LC_ALL' => 'en_US.UTF8',
];
$phpExtensions = [
'curl',
'hash',
'json',
'mbstring',
'PDO',
'PDO_MYSQL',
'session',
];
$phpClasses = [
'DateTime',
'DirectoryIterator',
'Exception',
'PDO',
'PDOException',
'RegexIterator',
'RecursiveIteratorIterator',
'ZipArchive',
];
$themeColor = '#ecf0f1';
/** @var string a base64 image */
$shortcutIcon = 'data:image/png;base64,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';
define('ERROR_LOG_FILEPATH', $phpSettings['error_log']);
const INSTALLER_FILEPATH = __FILE__;
const LOCK_FILEPATH = __DIR__ . '/installer.lock';
function password(int $length)
{
$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()_-=+;:,.?';
return substr(str_shuffle($chars), 0, $length);
}
function dump()
{
echo '<pre>';
foreach (func_get_args() as $value) {
print_r($value);
}
echo '</pre>';
}
function append(string $filename, string $contents)
{
prepareDirFor($filename);
if (false === @file_put_contents($filename, $contents, FILE_APPEND)) {
throw new RuntimeException('Unable to append content to file ' . $filename);
}
}
function put(string $filename, string $contents)
{
prepareDirFor($filename);
if (false === @file_put_contents($filename, $contents)) {
throw new RuntimeException('Unable to put content to file ' . $filename);
}
}
function prepareDirFor(string $filename)
{
if (!file_exists($filename)) {
$dirname = dirname($filename);
if (!file_exists($dirname)) {
createPath($dirname);
}
}
}
function createPath(string $path): string
{
if (!mkdir($path, 0777, true)) {
throw new RuntimeException('Unable to create path ' . $path);
}
return $path;
}
function logger(string $message)
{
if(PHP_SAPI !== 'cli') {
return;
}
fwrite(fopen('php://stdout', 'r+'), $message);
}
function progressCallback($resource, $download_size = 0, $downloaded = 0, $upload_size = 0, $uploaded = 0)
{
if($download_size == 0) {
return;
}
logger(progress_bar($downloaded, $download_size, ' download'));
}
function progress_bar($done, $total, $info="", $width=50) {
$perc = (int) round(($done * 100) / $total);
$bar = (int) round(($width * $perc) / 100);
return sprintf(" %s%%[%s>%s]%s\r", $perc, str_repeat("=", $bar), str_repeat(" ", $width-$bar), $info);
}
function set_status_header($code)
{
if(headers_sent()) {
return;
}
$desc = get_set_status_header_desc($code);
if (empty($desc)) {
return false;
}
$protocol = $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.1';
if ('HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol) {
$protocol = 'HTTP/1.0';
}
$set_status_header = "$protocol $code $desc";
header($set_status_header, true, $code);
}
function get_set_status_header_desc($code)
{
$codes_to_desc = array(
100 => 'Continue',
101 => 'Switching Protocols',
102 => 'Processing',
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authoritative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
207 => 'Multi-Status',
226 => 'IM Used',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
306 => 'Reserved',
307 => 'Temporary Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Timeout',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition Failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Long',
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
422 => 'Unprocessable Entity',
423 => 'Locked',
424 => 'Failed Dependency',
426 => 'Upgrade Required',
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
505 => 'HTTP Version Not Supported',
506 => 'Variant Also Negotiates',
507 => 'Insufficient Storage',
510 => 'Not Extended',
);
return $codes_to_desc[$code] ?? 'n/a';
}
function writeToStderr(string $message) {
fwrite(fopen('php://stderr', 'wb'), $message . "\n");
}
function isDocker(): bool {
return getenv('CHEVERETO_SERVICING') == 'docker';
}
function isDatabaseEnvProvided(): bool {
if(isDocker()) {
return true;
}
return getenv('CHEVERETO_DB_HOST') !== false
&& getenv('CHEVERETO_DB_PORT') !== false
&& getenv('CHEVERETO_DB_NAME') !== false
&& getenv('CHEVERETO_DB_USER') !== false
&& getenv('CHEVERETO_DB_PASS') !== false;
}
function get_ini_bytes($size)
{
return get_bytes($size, -1);
}
function get_bytes($size, $cut = null)
{
if ($cut == null) {
$suffix = substr($size, -3);
$suffix = preg_match('/([A-Za-z]){3}/', $suffix) ? $suffix : substr($size, -2);
} else {
$suffix = substr($size, $cut);
}
$number = (int) str_replace($suffix, '', $size);
$suffix = strtoupper($suffix);
$units = ['KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']; // Default dec units
if (strlen($suffix) == 3) { // Convert units to bin
foreach ($units as &$unit) {
$split = str_split($unit);
$unit = $split[0] . 'I' . $split[1];
}
}
if (strlen($suffix) == 1) {
$suffix .= 'B'; // Adds missing "B" for shorthand ini notation (Turns 1G into 1GB)
}
if (!in_array($suffix, $units)) {
return $number;
}
$pow_factor = array_search($suffix, $units) + 1;
return $number * pow(strlen($suffix) == 2 ? 1000 : 1024, $pow_factor);
}
$min_memory = '256M';
$memory_limit = ini_get('memory_limit');
$memory_limit_bytes = isset($memory_limit) ? get_ini_bytes($memory_limit) : 0;
if ($memory_limit_bytes < get_ini_bytes($min_memory)) {
@ini_set('memory_limit', $min_memory);
}
set_error_handler(function (int $severity, string $message, string $file, int $line) {
throw new ErrorException($message, 0, $severity, $file, $line);
}, $phpSettings['error_reporting']);
set_exception_handler(function (Throwable $e) {
$device = isDocker() ? 'stderr' : 'error_log';
$debug_level = 3;
$internal_code = 500;
$internal_error = '<b>Aw, snap!</b>';
$table = [
0 => "debug is disabled",
1 => "debug @ $device",
2 => "debug @ print",
3 => "debug @ print,$device",
];
$internal_error .= ' [' . $table[$debug_level] . '] - https://chv.to/v3debug';
$message = [$internal_error];
$message[] = '';
$message[] = '<b>Fatal error [' . $e->getCode() . ']:</b> ' . strip_tags($e->getMessage());
$message[] = 'Triggered in ' . $e->getFile() . ':' . $e->getLine() . "\n";
$message[] = '<b>Stack trace:</b>';
$rtn = '';
$count = 0;
foreach ($e->getTrace() as $frame) {
$args = '';
if (isset($frame['args'])) {
$args = array();
foreach ($frame['args'] as $arg) {
switch (true) {
case is_string($arg):
$args[] = "'" . $arg . "'";
break;
case is_array($arg):
$args[] = 'Array';
break;
case is_null($arg):
$args[] = 'NULL';
break;
case is_bool($arg):
$args[] = ($arg) ? 'true' : 'false';
break;
case is_object($arg):
$args[] = get_class($arg);
break;
case is_resource($arg):
$args[] = get_resource_type($arg);
break;
default:
$args[] = $arg;
break;
}
}
$args = join(', ', $args);
}
$rtn .= sprintf(
"#%s %s(%s): %s(%s)\n",
$count,
$frame['file'] ?? 'unknown file',
$frame['line'] ?? 'unknown line',
(isset($frame['class'])) ? $frame['class'] . $frame['type'] . $frame['function'] : $frame['function'],
$args
);
++$count;
}
$message[] = $rtn;
$message = implode("\n", $message);
$newLines = nl2br($message);
$plainLines = "\n" . strip_tags($newLines);
set_status_header($internal_code);
if(in_array($debug_level, [2, 3])) {
echo PHP_SAPI !== 'cli' ? $newLines : $plainLines;
}
if(in_array($debug_level, [1, 3]) && $device === 'error_log') {
error_log($plainLines);
}
if(isDocker()) {
writeToStderr($plainLines);
}
die(255);
});
class Logger
{
/** @var string */
public $name;
/** @var array */
public $log;
public function __construct(string $name)
{
$this->name = $name;
$this->log = array();
}
public function addMessage(string $message)
{
$this->log[] = $message;
}
}
class ZipArchiveExt extends ZipArchive
{
public function extractSubdirTo($destination, $subdir)
{
$errors = array();
// Prepare dirs
$destination = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $destination);
$subdir = str_replace(array('/', '\\'), '/', $subdir);
if (substr($destination, mb_strlen(DIRECTORY_SEPARATOR, 'UTF-8') * -1) != DIRECTORY_SEPARATOR) {
$destination .= DIRECTORY_SEPARATOR;
}
$inputSubdir = $subdir;
$subdir = rtrim($subdir, '/') . '/';
$folderExists = false;
for ($i = 0; $i < $this->numFiles; ++$i) {
$filename = $this->getNameIndex($i);
if (!$folderExists && $filename == $subdir) {
$folderExists = true;
}
if (substr($filename, 0, mb_strlen($subdir, 'UTF-8')) == $subdir) {
$relativePath = substr($filename, mb_strlen($subdir, 'UTF-8'));
$relativePath = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $relativePath);
if (mb_strlen($relativePath, 'UTF-8') > 0) {
if (substr($filename, -1) == '/') {
if (!is_dir($destination . $relativePath)) {
if (!mkdir($destination . $relativePath, 0755, true)) {
$errors[$i] = $filename;
}
}
} else {
if (dirname($relativePath) != '.') {
if (!is_dir($destination . dirname($relativePath))) {
// New dir (for file)
mkdir($destination . dirname($relativePath), 0755, true);
}
}
if (file_put_contents($destination . $relativePath, $this->getFromIndex($i)) === false) {
$errors[$i] = $filename;
}
}
}
}
}
if (!$folderExists) {
throw new Exception(sprintf("Folder %s doesn't exists in zip file", $inputSubdir));
}
return $errors;
}
}
class Requirements
{
/** @var array */
public $phpVersions;
/** @var array */
public $phpExtensions;
/** @var array */
public $phpClasses;
/**
* @param array $phpVersions an array listing the minimum PHP version followed by the recommended PHP version
*/
public function __construct(array $phpVersions)
{
$this->phpVersions = $phpVersions;
}
public function setPHPExtensions(array $phpExtensions)
{
$this->phpExtensions = $phpExtensions;
}
public function setPHPClasses(array $phpClasses)
{
$this->phpClasses = $phpClasses;
}
}
class RequirementsCheck
{
/** @var Requirements */
public $requirements;
/** @var Runtime */
public $runtime;
/** @var array Error messages */
public $errors;
/** @var array Missed components array used for internal awareness */
public $missed;
/** @var array Maps PHP extension name to its documentation identifier */
const EXTENSIONS_MAP = array(
'curl' => 'book.curl',
'hash' => 'book.hash',
'json' => 'book.json',
'mbstring' => 'book.mbstring',
'PDO' => 'book.pdo',
'PDO_MYSQL' => 'ref.pdo-mysql',
'session' => 'book.session',
'zip' => 'book.zip',
);
/** @var array Maps PHP extension name to its documentation identifier */
const CLASSES_MAP = array(
'DateTime' => 'class.datetime',
'DirectoryIterator' => 'class.directoryiterator',
'Exception' => 'class.exception',
'PDO' => 'class.pdo',
'PDOException' => 'class.pdoexception',
'RegexIterator' => 'class.regexiterator',
'RecursiveIteratorIterator' => 'class.recursiveiteratoriterator',
'ZipArchive' => 'class.ziparchive',
);
public function __construct(Requirements $requirements, Runtime $runtime)
{
$this->errors = array();
$this->checkPHPVersion($requirements->phpVersions);
$this->checkPHPProfile($requirements->phpExtensions, $requirements->phpClasses);
$this->checkWorkingPaths($runtime->workingPaths);
$this->checkFileUploads();
$this->checkApacheModRewrite();
$this->checkUtf8Functions();
$this->checkCurl();
$this->checkImageLibrary();
if (!$this->isMissing('cURL')) {
$this->checkSourceAPI();
}
}
public function checkImageLibrary() {
$image_lib = [
'gd' => extension_loaded('gd') && function_exists('gd_info'),
'imagick' => extension_loaded('imagick'),
];
if(!$image_lib['gd'] && !$image_lib['imagick']) {
$this->addMissing('GD', 'https://www.php.net/manual/en/book.image.php', 'No %l library support in this PHP installation.');
$this->addMissing('Imagick', 'https://www.php.net/manual/en/book.imagick.php', 'No %l library support in this PHP installation.');
$this->addMissing('PHP', '', 'Enable either Imagick extension or GD extension to perform image processing.');
}
}
public function checkPHPVersion(array $phpVersions)
{
if (version_compare(PHP_VERSION, $phpVersions[0], '<')) {
$this->addMissing('PHP', 'https://php.net', 'Use a newer %l version (%c ' . $phpVersions[0] . ' required, ' . $phpVersions[1] . ' recommended)');
}
}
public function checkPHPProfile(array $extensions, array $classes)
{
$core = array(
'extensions' => array_intersect_key(static::EXTENSIONS_MAP, array_flip($extensions)),
'classes' => array_intersect_key(static::CLASSES_MAP, array_flip($classes)),
);
$nouns = array(
'extensions' => array('extension', 'extensions'),
'classes' => array('class', 'classes'),
);
$core_check_function = array(
'extensions' => array('get_loaded_extensions', 'extension_loaded'),
'classes' => array('get_declared_classes', 'class_exists'),
);
foreach ($core as $type => $array) {
$n = $nouns[$type];
$core_check = $core_check_function[$type];
$missing = array();
$loaded = @$core_check[0]();
if ($loaded) {
foreach ($loaded as $k => &$v) {
$v = strtolower($v);
}
} else {
$function = create_function('$var', 'return @' . $core_check[1] . '($var);');
}
foreach ($array as $k => $v) {
if (($loaded && !in_array(strtolower($k), $loaded)) || (isset($function) && $function($k))) {
$missing['c'][] = $k;
$missing['l'][] = 'http://www.php.net/manual/' . $v . '.php';
}
}
if ($missing) {
$l = array();
$c = array();
$message = 'Enable PHP %n %l.';
if (count($missing['c']) == 1) {
$missing_strtr = array('%n' => $n[0]);
$message = strtr($message, $missing_strtr);
$this->addMissing($missing['c'][0], $missing['l'][0], $message);
} else {
foreach ($missing['l'] as $k => $v) {
$l[] = '%l' . $k;
}
$last = array_pop($l);
$missing_strtr['%l'] = implode(', ', $l) . ' and ' . $last;
$missing_strtr['%n'] = $n[1];
$message = strtr($message, $missing_strtr);
$this->addBundleMissing($missing['c'], $missing['l'], $message);
}
}
}
}
public function checkWorkingPaths(array $workingPaths)
{
$rw_fn = array('read' => 'is_readable', 'write' => 'is_writeable');
foreach ($workingPaths as $var) {
foreach (array('read', 'write') as $k => $v) {
if (!@$rw_fn[$v]($var)) {
$permissions_errors[] = $v;
}
}
if (isset($permissions_errors)) {
$error = implode('/', $permissions_errors);
// $component = $var . ' ' . $error . ' permission' . (count($permissions_errors) > 1 ? 's' : null);
$message = "PHP don't have %l permission in <code>" . $var . '</code>';
$this->addMissing($error, 'https://unix.stackexchange.com/questions/35711/giving-php-permission-to-write-to-files-and-folders', $message);
unset($permissions_errors);
}
}
}
public function checkFileUploads()
{
if (!ini_get('file_uploads')) {
$this->addMissing('file_uploads', 'http://php.net/manual/en/ini.core.php#ini.file-uploads', 'Enable %l (needed for file uploads)');
}
}
public function checkApacheModRewrite()
{
if (isset($_SERVER['SERVER_SOFTWARE']) && preg_match('/apache/i', $_SERVER['SERVER_SOFTWARE']) && function_exists('apache_get_modules') && !in_array('mod_rewrite', apache_get_modules())) {
$this->addMissing('mod_rewrite', 'http://httpd.apache.org/docs/current/mod/mod_rewrite.html', 'Enable %l (needed for URL rewriting)');
}
}
public function checkUtf8Functions()
{
$utf8_errors = array();
foreach (array('utf8_encode', 'utf8_decode') as $v) {
if (!function_exists($v)) {
$utf8_errors['c'][] = $v;
$utf8_errors['l'][] = 'http://php.net/manual/en/function.' . str_replace('_', '-', $v) . '.php';
}
}
if ($utf8_errors) {
$this->addBundleMissing($utf8_errors['c'], $utf8_errors['l'], count($utf8_errors['c']) == 1 ? 'Enable %l function' : 'Enable %l0 and %l1 functions');
}
}
public function checkCurl()
{
if (!function_exists('curl_init')) {
$this->addMissing('cURL', 'http://php.net/manual/en/book.curl.php', 'Enable PHP %l');
}
}
public function checkSourceAPI()
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, VENDOR['apiUrl']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_NOBODY, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
$headers = curl_exec($ch);
$http_statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($headers) {
if ($http_statusCode != 200) {
$http_error_link = '<a href="https://en.wikipedia.org/wiki/HTTP_' . $http_statusCode . '" target="_blank">HTTP ' . $http_statusCode . '</a>';
$this->addMissing('Chevereto API', VENDOR['apiUrl'], "An $http_error_link error occurred when trying to connect to %l");
}
} else {
$api_parse_url = parse_url(VENDOR['apiUrl']);
$api_offline_link = '<a href="https://isitdownorjust.me/' . $api_parse_url['host'] . '" target="_blank">offline</a>';
$this->addMissing('Chevereto API', VENDOR['apiUrl'], "Can't connect to %l. Check for any outgoing network blocking or maybe our server is $api_offline_link at this time");
}
}
/**
* @param string $component
* @param string $link
* @param string $msgtpl The message template. Use %l and %c placeholders
*/
protected function addMissing(string $component, string $url, string $msgtpl)
{
$this->addBundleMissing([$component], [$url], strtr($msgtpl, ['%c' => '%c0', '%l' => '%l0']));
}
/**
* Same as addMissing, but for bundled requirements like utf8_encode/utf8_decode where multiple requirements are
* linked to the same resource.
*
* @param array $components ['component1', 'component2',]
* @param array $urls ['component1_url', 'component2_url',]
* @param string $msgtpl The message template. Use %l0 and %c0 placeholders
*/
protected function addBundleMissing(array $components, array $urls, string $msgtpl)
{
$placeholders = array();
foreach ($components as $k => $v) {
$this->missed[] = $v;
$placeholders['%c' . $k] = $v;
$placeholders['%l' . $k] = '<a href="' . $urls[$k] . '" target="_blank">' . $v . '</a>';
}
$message = strtr($msgtpl, $placeholders);
$this->errors[] = $message;
}
/**
* @return bool
*/
public function isMissing(string $key)
{
return is_array($this->missed) ? in_array($key, $this->missed) : false;
}
}
class Runtime
{
/** @var array Runtime settings */
public $settings;
/** @var Logger */
protected $logger;
/** @var string Working path (absolute) */
public $absPath;
/** @var string Working path (relative) */
public $relPath;
/** @var string Path to this installer file (absolute) */
public $installerFilepath;
/** @var string HTTP hostname */
public $httpHost;
/** @var string HTTP protocol (http, https) */
public $httpProtocol;
/** @var string Root URL for the current project */
public $rootUrl;
/** @var string Human-readable server information */
public $serverString;
/** @var array */
public $workingPaths;
public function __construct(Logger $logger)
{
$this->logger = $logger;
}
public function setSettings(array $settings)
{
$this->settings = $settings;
}
public function setServer(array $server)
{
$this->server = $server;
}
public function run()
{
error_reporting($this->settings['error_reporting']);
$this->applyPHPSettings($this->settings);
$this->processContext();
}
protected function applyPHPSettings(array $settings)
{
$runtimeTable = [
'log_errors' => ini_set('log_errors', (string) $settings['log_errors']),
'display_errors' => ini_set('display_errors', (string) $settings['display_errors']),
'error_log' => ini_set('error_log', $settings['error_log']),
'time_limit' => @set_time_limit($settings['time_limit']),
'ini_set' => ini_set('default_charset', $settings['default_charset']),
'setlocale' => setlocale(LC_ALL, $settings['LC_ALL']),
];
$messageTemplate = 'Unable to set %k value %v (FALSE return value)';
foreach ($runtimeTable as $k => $v) {
if (false === $v) {
$this->logger->addMessage(strtr($messageTemplate, [
'%k' => $k,
'%v' => var_export($settings[$k] ?? '', true),
]));
}
}
}
protected function processContext()
{
if (!isset($this->server)) {
$this->setServer($_SERVER);
}
$this->php = phpversion();
$this->absPath = rtrim(str_replace('\\', '/', dirname(INSTALLER_FILEPATH)), '/') . '/';
$this->relPath = rtrim(dirname($this->server['SCRIPT_NAME']), '\/') . '/';
$this->installerFilename = basename(INSTALLER_FILEPATH);
$this->installerFilepath = INSTALLER_FILEPATH;
$this->httpHost = $this->server['HTTP_HOST'] ?? 'null';
$this->serverSoftware = $this->server['SERVER_SOFTWARE'] ?? 'null';
$httpProtocol = 'http';
$isHttpsOn = !empty($this->server['HTTPS']) && strtolower($this->server['HTTPS']) == 'on';
$isHttpsX = isset($this->server['HTTP_X_FORWARDED_PROTO']) && $this->server['HTTP_X_FORWARDED_PROTO'] == 'https';
if ($isHttpsOn || $isHttpsX) {
$httpProtocol .= 's';
}
$this->httpProtocol = $httpProtocol;
$this->rootUrl = $this->httpProtocol . '://' . $this->httpHost . $this->relPath;
$this->serverString = 'Server ' . $this->httpHost . ' PHP ' . phpversion();
$this->setWorkingPaths([INSTALLER_FILEPATH, $this->absPath]);
}
protected function setWorkingPaths(array $workingPaths)
{
$this->workingPaths = $workingPaths;
}
}
/**
* A PHP client for cPanel UAPI.
*/
class Cpanel
{
/** @var string cPanel UAPI module/function */
public $action;
/** @var array */
public $response;
/** @var string */
public $errorMessage;
/** @var string user:password */
protected $userpwd;
/** @var string */
protected $mysqlPrefix;
/** @var int */
protected $mysqlMaxDbNamelength;
/** @var int */
protected $mysqlMaxUsernameLength;
public function __construct(string $user, string $password)
{
$this->userpwd = "$user:$password";
}
public function sendRequest(string $action, array $params = [])
{
// cPanel UAPI accepts session login (cookie needed).
// cPanel API Tokens aren't widely supported yet
$url = 'https://localhost:2083';
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_NOBODY, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if (200 != $httpCode) {
throw new Exception(strtr('Unable to connect to cPanel at %s [HTTP %c]', [
'%s' => $url,
'%c' => $httpCode,
]), 503);
}
$endpoint = $url . '/execute/' . $action;
$url = $endpoint . '?' . http_build_query($params);
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($ch, CURLOPT_USERPWD, $this->userpwd);
curl_setopt($ch, CURLOPT_TIMEOUT, 120);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
$result = curl_exec($ch);
if ($result == false) {
throw new Exception('curl_exec threw error "' . curl_error($ch) . "\" for $action");
}
curl_close($ch);
$array = json_decode($result, false);
if (!$array) {
throw new Exception("Can't authenticate to cPanel host (wrong username:password)", 403);
}
$this->action = $action;
$this->response = $array;
$this->isSuccess = 1 == $array->status;
if (!$this->isSuccess) {
$this->errorMessage = implode('-', $this->response->errors);
}
}
/**
* Creates a MySQL database, its user and set privileges.
*
* @param string $prefix vendor prefix
*/
public function setupMysql(string $prefix = null)
{
$this->sendRequest('Mysql/get_restrictions');
// ^^^ response->data:
// prefix => chevereto_
// max_database_name_length => 64
// max_username_length => 47
if (!$this->isSuccess) {
throw new Exception($this->errorMessage);
}
$this->mysqlPrefix = $this->response->data->prefix;
$this->mysqlMaxDbNamelength = $this->response->data->max_database_name_length;
$this->mysqlMaxUsernameLength = $this->response->data->max_username_length;
$dbPrefix = $this->mysqlPrefix . $prefix;
for ($i = 0; $i < 5; ++$i) {
$dbName = static::getDbRandomName($dbPrefix, $this->mysqlMaxDbNamelength);
$this->sendRequest('Mysql/check_database', ['name' => $dbName]);
if (!$this->isSuccess) { // No DB = profit
break;
} else {
if ($i == 4) {
throw new Exception('Unable to determine a valid MySQL database name', 201);
}
}
}
$this->sendRequest('Mysql/create_database', ['name' => $dbName]);
if (!$this->isSuccess) {
throw new Exception($this->errorMessage);
}
$dbUserPassword = password(16);
for ($i = 0; $i < 5; ++$i) {
$dbUser = static::getDbRandomName($dbPrefix, $this->mysqlMaxUsernameLength);
$this->sendRequest('Mysql/create_user', [
'name' => $dbUser,
'password' => $dbUserPassword,
]);
if ($this->isSuccess) {
break;
} else {
if ($i == 4) {
throw new Exception('Unable to create the MySQL database user', 202);
}
}
}
$this->sendRequest('Mysql/set_privileges_on_database', [
'user' => $dbUser,
'database' => $dbName,
'privileges' => 'ALL PRIVILEGES',
]);
if (!$this->isSuccess) {
throw new Exception($this->errorMessage);
}
return [
'host' => 'localhost',
'port' => '3306',
'name' => $dbName,
'user' => $dbUser,
'userPassword' => $dbUserPassword,
];
}
public static function getHtaccessHandlers(string $filepath)
{
$contents = file_get_contents($filepath);
preg_match_all('/# php -- BEGIN cPanel-generated handler, do not edit[\s\S]+# php -- END cPanel-generated handler, do not edit/', $contents, $matches);
if (!empty($matches)) {
return $matches[0][0] ?? null;
}
}
public static function getDbRandomName(string $prefix, int $maxLength)
{
$maxRandomLength = $maxLength - strlen($prefix);
if ($maxRandomLength <= 0) {
return $prefix;
}
$randomLength = min(5, $maxRandomLength);
return $prefix . substr(bin2hex(random_bytes($randomLength)), 0, $randomLength);
}
}
class JsonResponse
{
/** @var array [code => , description =>,] */
protected $status;
/** @var string */
public $code;
/** @var string */
public $message;
public $data;
const HTTP_CODES = [
100 => 'Continue',
101 => 'Switching Protocols',
102 => 'Processing',
200 => 'OK',
201 => 'Created',