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<?php declare(strict_types=1);
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Installer;
use Composer\Composer;
use Composer\IO\IOInterface;
use Composer\PartialComposer;
use Composer\Pcre\Preg;
use Composer\Repository\InstalledRepositoryInterface;
use Composer\Package\PackageInterface;
use Composer\Util\Filesystem;
use Composer\Util\Silencer;
use Composer\Util\Platform;
use React\Promise\PromiseInterface;
use Composer\Downloader\DownloadManager;
/**
* Package installation manager.
*
* @author Jordi Boggiano <j.boggiano@seld.be>
* @author Konstantin Kudryashov <ever.zet@gmail.com>
*/
class LibraryInstaller implements InstallerInterface, BinaryPresenceInterface
{
/** @var PartialComposer */
protected $composer;
/** @var string */
protected $vendorDir;
/** @var DownloadManager|null */
protected $downloadManager;
/** @var IOInterface */
protected $io;
/** @var string */
protected $type;
/** @var Filesystem */
protected $filesystem;
/** @var BinaryInstaller */
protected $binaryInstaller;
/**
* Initializes library installer.
*
* @param Filesystem $filesystem
* @param BinaryInstaller $binaryInstaller
*/
public function __construct(IOInterface $io, PartialComposer $composer, ?string $type = 'library', ?Filesystem $filesystem = null, ?BinaryInstaller $binaryInstaller = null)
{
$this->composer = $composer;
$this->downloadManager = $composer instanceof Composer ? $composer->getDownloadManager() : null;
$this->io = $io;
$this->type = $type;
$this->filesystem = $filesystem ?: new Filesystem();
$this->vendorDir = rtrim($composer->getConfig()->get('vendor-dir'), '/');
$this->binaryInstaller = $binaryInstaller ?: new BinaryInstaller($this->io, rtrim($composer->getConfig()->get('bin-dir'), '/'), $composer->getConfig()->get('bin-compat'), $this->filesystem, $this->vendorDir);
}
/**
* @inheritDoc
*/
public function supports(string $packageType)
{
return $packageType === $this->type || null === $this->type;
}
/**
* @inheritDoc
*/
public function isInstalled(InstalledRepositoryInterface $repo, PackageInterface $package)
{
if (!$repo->hasPackage($package)) {
return false;
}
$installPath = $this->getInstallPath($package);
if (Filesystem::isReadable($installPath)) {
return true;
}
if (Platform::isWindows() && $this->filesystem->isJunction($installPath)) {
return true;
}
if (is_link($installPath)) {
if (realpath($installPath) === false) {
return false;
}
return true;
}
return false;
}
/**
* @inheritDoc
*/
public function download(PackageInterface $package, ?PackageInterface $prevPackage = null)
{
$this->initializeVendorDir();
$downloadPath = $this->getInstallPath($package);
return $this->getDownloadManager()->download($package, $downloadPath, $prevPackage);
}
/**
* @inheritDoc
*/
public function prepare($type, PackageInterface $package, ?PackageInterface $prevPackage = null)
{
$this->initializeVendorDir();
$downloadPath = $this->getInstallPath($package);
return $this->getDownloadManager()->prepare($type, $package, $downloadPath, $prevPackage);
}
/**
* @inheritDoc
*/
public function cleanup($type, PackageInterface $package, ?PackageInterface $prevPackage = null)
{
$this->initializeVendorDir();
$downloadPath = $this->getInstallPath($package);
return $this->getDownloadManager()->cleanup($type, $package, $downloadPath, $prevPackage);
}
/**
* @inheritDoc
*/
public function install(InstalledRepositoryInterface $repo, PackageInterface $package)
{
$this->initializeVendorDir();
$downloadPath = $this->getInstallPath($package);
// remove the binaries if it appears the package files are missing
if (!Filesystem::isReadable($downloadPath) && $repo->hasPackage($package)) {
$this->binaryInstaller->removeBinaries($package);
}
$promise = $this->installCode($package);
if (!$promise instanceof PromiseInterface) {
$promise = \React\Promise\resolve(null);
}
$binaryInstaller = $this->binaryInstaller;
$installPath = $this->getInstallPath($package);
return $promise->then(static function () use ($binaryInstaller, $installPath, $package, $repo): void {
$binaryInstaller->installBinaries($package, $installPath);
if (!$repo->hasPackage($package)) {
$repo->addPackage(clone $package);
}
});
}
/**
* @inheritDoc
*/
public function update(InstalledRepositoryInterface $repo, PackageInterface $initial, PackageInterface $target)
{
if (!$repo->hasPackage($initial)) {
throw new \InvalidArgumentException('Package is not installed: '.$initial);
}
$this->initializeVendorDir();
$this->binaryInstaller->removeBinaries($initial);
$promise = $this->updateCode($initial, $target);
if (!$promise instanceof PromiseInterface) {
$promise = \React\Promise\resolve(null);
}
$binaryInstaller = $this->binaryInstaller;
$installPath = $this->getInstallPath($target);
return $promise->then(static function () use ($binaryInstaller, $installPath, $target, $initial, $repo): void {
$binaryInstaller->installBinaries($target, $installPath);
$repo->removePackage($initial);
if (!$repo->hasPackage($target)) {
$repo->addPackage(clone $target);
}
});
}
/**
* @inheritDoc
*/
public function uninstall(InstalledRepositoryInterface $repo, PackageInterface $package)
{
if (!$repo->hasPackage($package)) {
throw new \InvalidArgumentException('Package is not installed: '.$package);
}
$promise = $this->removeCode($package);
if (!$promise instanceof PromiseInterface) {
$promise = \React\Promise\resolve(null);
}
$binaryInstaller = $this->binaryInstaller;
$downloadPath = $this->getPackageBasePath($package);
$filesystem = $this->filesystem;
return $promise->then(static function () use ($binaryInstaller, $filesystem, $downloadPath, $package, $repo): void {
$binaryInstaller->removeBinaries($package);
$repo->removePackage($package);
if (strpos($package->getName(), '/')) {
$packageVendorDir = dirname($downloadPath);
if (is_dir($packageVendorDir) && $filesystem->isDirEmpty($packageVendorDir)) {
Silencer::call('rmdir', $packageVendorDir);
}
}
});
}
/**
* @inheritDoc
*
* @return string
*/
public function getInstallPath(PackageInterface $package)
{
$this->initializeVendorDir();
$basePath = ($this->vendorDir ? $this->vendorDir.'/' : '') . $package->getPrettyName();
$targetDir = $package->getTargetDir();
return $basePath . ($targetDir ? '/'.$targetDir : '');
}
/**
* Make sure binaries are installed for a given package.
*
* @param PackageInterface $package Package instance
*/
public function ensureBinariesPresence(PackageInterface $package)
{
$this->binaryInstaller->installBinaries($package, $this->getInstallPath($package), false);
}
/**
* Returns the base path of the package without target-dir path
*
* It is used for BC as getInstallPath tends to be overridden by
* installer plugins but not getPackageBasePath
*
* @return string
*/
protected function getPackageBasePath(PackageInterface $package)
{
$installPath = $this->getInstallPath($package);
$targetDir = $package->getTargetDir();
if ($targetDir) {
return Preg::replace('{/*'.str_replace('/', '/+', preg_quote($targetDir)).'/?$}', '', $installPath);
}
return $installPath;
}
/**
* @return PromiseInterface|null
* @phpstan-return PromiseInterface<void|null>|null
*/
protected function installCode(PackageInterface $package)
{
$downloadPath = $this->getInstallPath($package);
return $this->getDownloadManager()->install($package, $downloadPath);
}
/**
* @return PromiseInterface|null
* @phpstan-return PromiseInterface<void|null>|null
*/
protected function updateCode(PackageInterface $initial, PackageInterface $target)
{
$initialDownloadPath = $this->getInstallPath($initial);
$targetDownloadPath = $this->getInstallPath($target);
if ($targetDownloadPath !== $initialDownloadPath) {
// if the target and initial dirs intersect, we force a remove + install
// to avoid the rename wiping the target dir as part of the initial dir cleanup
if (strpos($initialDownloadPath, $targetDownloadPath) === 0
|| strpos($targetDownloadPath, $initialDownloadPath) === 0
) {
$promise = $this->removeCode($initial);
if (!$promise instanceof PromiseInterface) {
$promise = \React\Promise\resolve(null);
}
return $promise->then(function () use ($target): PromiseInterface {
$promise = $this->installCode($target);
if ($promise instanceof PromiseInterface) {
return $promise;
}
return \React\Promise\resolve(null);
});
}
$this->filesystem->rename($initialDownloadPath, $targetDownloadPath);
}
return $this->getDownloadManager()->update($initial, $target, $targetDownloadPath);
}
/**
* @return PromiseInterface|null
* @phpstan-return PromiseInterface<void|null>|null
*/
protected function removeCode(PackageInterface $package)
{
$downloadPath = $this->getPackageBasePath($package);
return $this->getDownloadManager()->remove($package, $downloadPath);
}
/**
* @return void
*/
protected function initializeVendorDir()
{
$this->filesystem->ensureDirectoryExists($this->vendorDir);
$this->vendorDir = realpath($this->vendorDir);
}
protected function getDownloadManager(): DownloadManager
{
assert($this->downloadManager instanceof DownloadManager, new \LogicException(self::class.' should be initialized with a fully loaded Composer instance to be able to install/... packages'));
return $this->downloadManager;
}
}