[
'name' => 'PHP',
'versions' => [
'7.3' => '7.3.1',
'7.2' => '7.2.0',
'7.1' => '7.1.3',
'' => '7.2.14'
]
],
'grav' => [
'name' => 'Grav',
'versions' => [
'1.5' => '1.5.0',
'' => '1.5.7'
]
],
'plugins' => [
'admin' => [
'name' => 'Admin',
'optional' => true,
'versions' => [
'1.8' => '1.8.0',
'' => '1.8.16'
]
],
'email' => [
'name' => 'Email',
'optional' => true,
'versions' => [
'2.7' => '2.7.0',
'' => '2.7.2'
]
],
'form' => [
'name' => 'Form',
'optional' => true,
'versions' => [
'2.16' => '2.16.0',
'' => '2.16.4'
]
],
'login' => [
'name' => 'Login',
'optional' => true,
'versions' => [
'2.8' => '2.8.0',
'' => '2.8.3'
]
],
]
];
private $ignores = [
'backup',
'cache',
'images',
'logs',
'tmp',
'user',
'.htaccess',
'robots.txt'
];
private $classMap = [
// 'Grav\\Installer\\Test' => __DIR__ . '/Test.php',
];
private $zip;
private $location;
private static $instance;
public static function instance()
{
if (null === self::$instance) {
self::$instance = new static();
}
return self::$instance;
}
private function __construct()
{
}
public function setZip(string $zip)
{
$this->zip = $zip;
return $this;
}
public function __invoke(?string $zip)
{
$this->zip = $zip;
$failedRequirements = $this->checkRequirements();
if ($failedRequirements) {
$error = ['Following requirements have failed:'];
foreach ($failedRequirements as $name => $req) {
$error[] = "{$req['title']} >= v{$req['minimum']} required, you have v{$req['installed']}";
}
throw new \RuntimeException(implode("
\n", $error));
}
$this->prepare();
$this->install();
$this->finalize();
}
/**
* NOTE: This method can only be called after $grav['plugins']->init().
*
* @return array List of failed requirements. If the list is empty, installation can go on.
*/
public function checkRequirements(): array
{
$results = [];
$this->checkVersion($results, 'php','php', $this->requires['php'], PHP_VERSION);
$this->checkVersion($results, 'grav', 'grav', $this->requires['grav'], GRAV_VERSION);
$this->checkPlugins($results, $this->requires['plugins']);
return $results;
}
/**
* @throws \RuntimeException
*/
public function prepare(): void
{
// Locate the new Grav update and the target site from the filesystem.
$location = dirname(realpath(__DIR__), 4);
$target = dirname(realpath(GRAV_ROOT . '/index.php'));
if ($location === $target) {
// We cannot copy files into themselves, abort!
throw new \RuntimeException('Grav has already been installed here!', 400);
}
// Make sure that none of the Grav\Installer classes have been loaded, otherwise installation may fail!
foreach ($this->classMap as $class_name => $path) {
if (\class_exists($class_name, false)) {
throw new \RuntimeException(sprintf('Cannot update Grav, class %s has already been loaded!', $class_name), 500);
}
}
$grav = Grav::instance();
/** @var ClassLoader $loader */
$loader = $grav['loader'];
// Override Grav\Installer classes by using this version of Grav.
$loader->addClassMap($this->classMap);
$this->location = $location;
}
/**
* @throws \RuntimeException
*/
public function install(): void
{
if (!$this->location) {
throw new \RuntimeException('Oops, installer was run without prepare()!', 500);
}
try {
Installer::install(
$this->zip,
GRAV_ROOT,
['sophisticated' => true, 'overwrite' => true, 'ignore_symlinks' => true, 'ignores' => $this->ignores],
$this->location,
!($this->zip && is_file($this->zip))
);
} catch (\Exception $e) {
Installer::setError($e->getMessage());
}
$errorCode = Installer::lastErrorCode();
$success = !(is_string($errorCode) || ($errorCode & (Installer::ZIP_OPEN_ERROR | Installer::ZIP_EXTRACT_ERROR)));
if (!$success) {
throw new \RuntimeException(Installer::lastErrorMsg());
}
}
/**
* @throws \RuntimeException
*/
public function finalize(): void
{
Cache::clearCache();
clearstatcache();
if (function_exists('opcache_reset')) {
@opcache_reset();
}
}
protected function checkVersion(array &$results, $type, $name, array $check, $version): void
{
if (null === $version && !empty($check['optional'])) {
return;
}
$major = $minor = 0;
$versions = $check['versions'] ?? [];
foreach ($versions as $major => $minor) {
if (!$major || version_compare($version, $major, '<')) {
continue;
}
if (version_compare($version, $minor, '>=')) {
return;
}
break;
}
if (!$major) {
$minor = reset($versions);
}
$recommended = end($versions);
if (version_compare($recommended, $minor, '<=')) {
$recommended = null;
}
$results[$name] = [
'type' => $type,
'name' => $name,
'title' => $check['name'] ?? $name,
'installed' => $version,
'minimum' => $minor,
'recommended' => $recommended
];
}
protected function checkPlugins(array &$results, array $plugins): void
{
if (!\class_exists('Plugins')) {
return;
}
foreach ($plugins as $name => $check) {
$plugin = Plugins::get($name);
if (!$plugin) {
$this->checkVersion($results, 'plugin', $name, $check, null);
continue;
}
$blueprint = $plugin->blueprints();
$version = (string)$blueprint->get('version');
$check['name'] = ($blueprint->get('name') ?? $check['name'] ?? $name) . ' Plugin';
$this->checkVersion($results, 'plugin', $name, $check, $version);
}
}
}