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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\IO\IOInterface;
use Composer\IO\ConsoleIO;
use Composer\Package\PackageInterface;
use Composer\Package\AliasPackage;
use Composer\Repository\InstalledRepositoryInterface;
use Composer\DependencyResolver\Operation\OperationInterface;
use Composer\DependencyResolver\Operation\InstallOperation;
use Composer\DependencyResolver\Operation\UpdateOperation;
use Composer\DependencyResolver\Operation\UninstallOperation;
use Composer\DependencyResolver\Operation\MarkAliasInstalledOperation;
use Composer\DependencyResolver\Operation\MarkAliasUninstalledOperation;
use Composer\Downloader\FileDownloader;
use Composer\EventDispatcher\EventDispatcher;
use Composer\Util\Loop;
use Composer\Util\Platform;
use React\Promise\PromiseInterface;
use Seld\Signal\SignalHandler;
/**
* Package operation manager.
*
* @author Konstantin Kudryashov <ever.zet@gmail.com>
* @author Jordi Boggiano <j.boggiano@seld.be>
* @author Nils Adermann <naderman@naderman.de>
*/
class InstallationManager
{
/** @var array<InstallerInterface> */
private $installers = [];
/** @var array<string, InstallerInterface> */
private $cache = [];
/** @var array<string, array<PackageInterface>> */
private $notifiablePackages = [];
/** @var Loop */
private $loop;
/** @var IOInterface */
private $io;
/** @var ?EventDispatcher */
private $eventDispatcher;
/** @var bool */
private $outputProgress;
public function __construct(Loop $loop, IOInterface $io, ?EventDispatcher $eventDispatcher = null)
{
$this->loop = $loop;
$this->io = $io;
$this->eventDispatcher = $eventDispatcher;
}
public function reset(): void
{
$this->notifiablePackages = [];
FileDownloader::$downloadMetadata = [];
}
/**
* Adds installer
*
* @param InstallerInterface $installer installer instance
*/
public function addInstaller(InstallerInterface $installer): void
{
array_unshift($this->installers, $installer);
$this->cache = [];
}
/**
* Removes installer
*
* @param InstallerInterface $installer installer instance
*/
public function removeInstaller(InstallerInterface $installer): void
{
if (false !== ($key = array_search($installer, $this->installers, true))) {
array_splice($this->installers, $key, 1);
$this->cache = [];
}
}
/**
* Disables plugins.
*
* We prevent any plugins from being instantiated by
* disabling the PluginManager. This ensures that no third-party
* code is ever executed.
*/
public function disablePlugins(): void
{
foreach ($this->installers as $i => $installer) {
if (!$installer instanceof PluginInstaller) {
continue;
}
$installer->disablePlugins();
}
}
/**
* Returns installer for a specific package type.
*
* @param string $type package type
*
* @throws \InvalidArgumentException if installer for provided type is not registered
*/
public function getInstaller(string $type): InstallerInterface
{
$type = strtolower($type);
if (isset($this->cache[$type])) {
return $this->cache[$type];
}
foreach ($this->installers as $installer) {
if ($installer->supports($type)) {
return $this->cache[$type] = $installer;
}
}
throw new \InvalidArgumentException('Unknown installer type: '.$type);
}
/**
* Checks whether provided package is installed in one of the registered installers.
*
* @param InstalledRepositoryInterface $repo repository in which to check
* @param PackageInterface $package package instance
*/
public function isPackageInstalled(InstalledRepositoryInterface $repo, PackageInterface $package): bool
{
if ($package instanceof AliasPackage) {
return $repo->hasPackage($package) && $this->isPackageInstalled($repo, $package->getAliasOf());
}
return $this->getInstaller($package->getType())->isInstalled($repo, $package);
}
/**
* Install binary for the given package.
* If the installer associated to this package doesn't handle that function, it'll do nothing.
*
* @param PackageInterface $package Package instance
*/
public function ensureBinariesPresence(PackageInterface $package): void
{
try {
$installer = $this->getInstaller($package->getType());
} catch (\InvalidArgumentException $e) {
// no installer found for the current package type (@see `getInstaller()`)
return;
}
// if the given installer support installing binaries
if ($installer instanceof BinaryPresenceInterface) {
$installer->ensureBinariesPresence($package);
}
}
/**
* Executes solver operation.
*
* @param InstalledRepositoryInterface $repo repository in which to add/remove/update packages
* @param OperationInterface[] $operations operations to execute
* @param bool $devMode whether the install is being run in dev mode
* @param bool $runScripts whether to dispatch script events
* @param bool $downloadOnly whether to only download packages
*/
public function execute(InstalledRepositoryInterface $repo, array $operations, bool $devMode = true, bool $runScripts = true, bool $downloadOnly = false): void
{
/** @var array<callable(): ?PromiseInterface<void|null>> */
$cleanupPromises = [];
$signalHandler = SignalHandler::create([SignalHandler::SIGINT, SignalHandler::SIGTERM, SignalHandler::SIGHUP], function (string $signal, SignalHandler $handler) use (&$cleanupPromises) {
$this->io->writeError('Received '.$signal.', aborting', true, IOInterface::DEBUG);
$this->runCleanup($cleanupPromises);
$handler->exitWithLastSignal();
});
try {
// execute operations in batches to make sure download-modifying-plugins are installed
// before the other packages get downloaded
$batches = [];
$batch = [];
foreach ($operations as $index => $operation) {
if ($operation instanceof UpdateOperation || $operation instanceof InstallOperation) {
$package = $operation instanceof UpdateOperation ? $operation->getTargetPackage() : $operation->getPackage();
if ($package->getType() === 'composer-plugin' && ($extra = $package->getExtra()) && isset($extra['plugin-modifies-downloads']) && $extra['plugin-modifies-downloads'] === true) {
if ($batch) {
$batches[] = $batch;
}
$batches[] = [$index => $operation];
$batch = [];
continue;
}
}
$batch[$index] = $operation;
}
if ($batch) {
$batches[] = $batch;
}
foreach ($batches as $batch) {
$this->downloadAndExecuteBatch($repo, $batch, $cleanupPromises, $devMode, $runScripts, $downloadOnly, $operations);
}
} catch (\Exception $e) {
$this->runCleanup($cleanupPromises);
throw $e;
} finally {
$signalHandler->unregister();
}
if ($downloadOnly) {
return;
}
// do a last write so that we write the repository even if nothing changed
// as that can trigger an update of some files like InstalledVersions.php if
// running a new composer version
$repo->write($devMode, $this);
}
/**
* @param OperationInterface[] $operations List of operations to execute in this batch
* @param OperationInterface[] $allOperations Complete list of operations to be executed in the install job, used for event listeners
* @phpstan-param array<callable(): ?PromiseInterface<void|null>> $cleanupPromises
*/
private function downloadAndExecuteBatch(InstalledRepositoryInterface $repo, array $operations, array &$cleanupPromises, bool $devMode, bool $runScripts, bool $downloadOnly, array $allOperations): void
{
$promises = [];
foreach ($operations as $index => $operation) {
$opType = $operation->getOperationType();
// ignoring alias ops as they don't need to execute anything at this stage
if (!in_array($opType, ['update', 'install', 'uninstall'])) {
continue;
}
if ($opType === 'update') {
/** @var UpdateOperation $operation */
$package = $operation->getTargetPackage();
$initialPackage = $operation->getInitialPackage();
} else {
/** @var InstallOperation|MarkAliasInstalledOperation|MarkAliasUninstalledOperation|UninstallOperation $operation */
$package = $operation->getPackage();
$initialPackage = null;
}
$installer = $this->getInstaller($package->getType());
$cleanupPromises[$index] = static function () use ($opType, $installer, $package, $initialPackage): ?PromiseInterface {
// avoid calling cleanup if the download was not even initialized for a package
// as without installation source configured nothing will work
if (!$package->getInstallationSource()) {
return \React\Promise\resolve(null);
}
return $installer->cleanup($opType, $package, $initialPackage);
};
if ($opType !== 'uninstall') {
$promise = $installer->download($package, $initialPackage);
if (null !== $promise) {
$promises[] = $promise;
}
}
}
// execute all downloads first
if (count($promises)) {
$this->waitOnPromises($promises);
}
if ($downloadOnly) {
$this->runCleanup($cleanupPromises);
return;
}
// execute operations in batches to make sure every plugin is installed in the
// right order and activated before the packages depending on it are installed
$batches = [];
$batch = [];
foreach ($operations as $index => $operation) {
if ($operation instanceof InstallOperation || $operation instanceof UpdateOperation) {
$package = $operation instanceof UpdateOperation ? $operation->getTargetPackage() : $operation->getPackage();
if ($package->getType() === 'composer-plugin' || $package->getType() === 'composer-installer') {
if ($batch) {
$batches[] = $batch;
}
$batches[] = [$index => $operation];
$batch = [];
continue;
}
}
$batch[$index] = $operation;
}
if ($batch) {
$batches[] = $batch;
}
foreach ($batches as $batch) {
$this->executeBatch($repo, $batch, $cleanupPromises, $devMode, $runScripts, $allOperations);
}
}
/**
* @param OperationInterface[] $operations List of operations to execute in this batch
* @param OperationInterface[] $allOperations Complete list of operations to be executed in the install job, used for event listeners
* @phpstan-param array<callable(): ?PromiseInterface<void|null>> $cleanupPromises
*/
private function executeBatch(InstalledRepositoryInterface $repo, array $operations, array $cleanupPromises, bool $devMode, bool $runScripts, array $allOperations): void
{
$promises = [];
$postExecCallbacks = [];
foreach ($operations as $index => $operation) {
$opType = $operation->getOperationType();
// ignoring alias ops as they don't need to execute anything
if (!in_array($opType, ['update', 'install', 'uninstall'])) {
// output alias ops in debug verbosity as they have no output otherwise
if ($this->io->isDebug()) {
$this->io->writeError(' - ' . $operation->show(false));
}
$this->{$opType}($repo, $operation);
continue;
}
if ($opType === 'update') {
/** @var UpdateOperation $operation */
$package = $operation->getTargetPackage();
$initialPackage = $operation->getInitialPackage();
} else {
/** @var InstallOperation|MarkAliasInstalledOperation|MarkAliasUninstalledOperation|UninstallOperation $operation */
$package = $operation->getPackage();
$initialPackage = null;
}
$installer = $this->getInstaller($package->getType());
$eventName = [
'install' => PackageEvents::PRE_PACKAGE_INSTALL,
'update' => PackageEvents::PRE_PACKAGE_UPDATE,
'uninstall' => PackageEvents::PRE_PACKAGE_UNINSTALL,
][$opType] ?? null;
if (null !== $eventName && $runScripts && $this->eventDispatcher) {
$this->eventDispatcher->dispatchPackageEvent($eventName, $devMode, $repo, $allOperations, $operation);
}
$dispatcher = $this->eventDispatcher;
$io = $this->io;
$promise = $installer->prepare($opType, $package, $initialPackage);
if (!$promise instanceof PromiseInterface) {
$promise = \React\Promise\resolve(null);
}
$promise = $promise->then(function () use ($opType, $repo, $operation) {
return $this->{$opType}($repo, $operation);
})->then($cleanupPromises[$index])
->then(function () use ($devMode, $repo): void {
$repo->write($devMode, $this);
}, static function ($e) use ($opType, $package, $io): void {
$io->writeError(' <error>' . ucfirst($opType) .' of '.$package->getPrettyName().' failed</error>');
throw $e;
});
$eventName = [
'install' => PackageEvents::POST_PACKAGE_INSTALL,
'update' => PackageEvents::POST_PACKAGE_UPDATE,
'uninstall' => PackageEvents::POST_PACKAGE_UNINSTALL,
][$opType] ?? null;
if (null !== $eventName && $runScripts && $dispatcher) {
$postExecCallbacks[] = static function () use ($dispatcher, $eventName, $devMode, $repo, $allOperations, $operation): void {
$dispatcher->dispatchPackageEvent($eventName, $devMode, $repo, $allOperations, $operation);
};
}
$promises[] = $promise;
}
// execute all prepare => installs/updates/removes => cleanup steps
if (count($promises)) {
$this->waitOnPromises($promises);
}
Platform::workaroundFilesystemIssues();
foreach ($postExecCallbacks as $cb) {
$cb();
}
}
/**
* @param array<PromiseInterface<void|null>> $promises
*/
private function waitOnPromises(array $promises): void
{
$progress = null;
if (
$this->outputProgress
&& $this->io instanceof ConsoleIO
&& !Platform::getEnv('CI')
&& !$this->io->isDebug()
&& count($promises) > 1
) {
$progress = $this->io->getProgressBar();
}
$this->loop->wait($promises, $progress);
if ($progress) {
$progress->clear();
// ProgressBar in non-decorated output does not output a final line-break and clear() does nothing
if (!$this->io->isDecorated()) {
$this->io->writeError('');
}
}
}
/**
* Executes download operation.
*
* @phpstan-return PromiseInterface<void|null>|null
*/
public function download(PackageInterface $package): ?PromiseInterface
{
$installer = $this->getInstaller($package->getType());
$promise = $installer->cleanup("install", $package);
return $promise;
}
/**
* Executes install operation.
*
* @param InstalledRepositoryInterface $repo repository in which to check
* @param InstallOperation $operation operation instance
* @phpstan-return PromiseInterface<void|null>|null
*/
public function install(InstalledRepositoryInterface $repo, InstallOperation $operation): ?PromiseInterface
{
$package = $operation->getPackage();
$installer = $this->getInstaller($package->getType());
$promise = $installer->install($repo, $package);
$this->markForNotification($package);
return $promise;
}
/**
* Executes update operation.
*
* @param InstalledRepositoryInterface $repo repository in which to check
* @param UpdateOperation $operation operation instance
* @phpstan-return PromiseInterface<void|null>|null
*/
public function update(InstalledRepositoryInterface $repo, UpdateOperation $operation): ?PromiseInterface
{
$initial = $operation->getInitialPackage();
$target = $operation->getTargetPackage();
$initialType = $initial->getType();
$targetType = $target->getType();
if ($initialType === $targetType) {
$installer = $this->getInstaller($initialType);
$promise = $installer->update($repo, $initial, $target);
$this->markForNotification($target);
} else {
$promise = $this->getInstaller($initialType)->uninstall($repo, $initial);
if (!$promise instanceof PromiseInterface) {
$promise = \React\Promise\resolve(null);
}
$installer = $this->getInstaller($targetType);
$promise = $promise->then(static function () use ($installer, $repo, $target): PromiseInterface {
$promise = $installer->install($repo, $target);
if ($promise instanceof PromiseInterface) {
return $promise;
}
return \React\Promise\resolve(null);
});
}
return $promise;
}
/**
* Uninstalls package.
*
* @param InstalledRepositoryInterface $repo repository in which to check
* @param UninstallOperation $operation operation instance
* @phpstan-return PromiseInterface<void|null>|null
*/
public function uninstall(InstalledRepositoryInterface $repo, UninstallOperation $operation): ?PromiseInterface
{
$package = $operation->getPackage();
$installer = $this->getInstaller($package->getType());
return $installer->uninstall($repo, $package);
}
/**
* Executes markAliasInstalled operation.
*
* @param InstalledRepositoryInterface $repo repository in which to check
* @param MarkAliasInstalledOperation $operation operation instance
*/
public function markAliasInstalled(InstalledRepositoryInterface $repo, MarkAliasInstalledOperation $operation): void
{
$package = $operation->getPackage();
if (!$repo->hasPackage($package)) {
$repo->addPackage(clone $package);
}
}
/**
* Executes markAlias operation.
*
* @param InstalledRepositoryInterface $repo repository in which to check
* @param MarkAliasUninstalledOperation $operation operation instance
*/
public function markAliasUninstalled(InstalledRepositoryInterface $repo, MarkAliasUninstalledOperation $operation): void
{
$package = $operation->getPackage();
$repo->removePackage($package);
}
/**
* Returns the installation path of a package
*
* @return string|null absolute path to install to, which does not end with a slash, or null if the package does not have anything installed on disk
*/
public function getInstallPath(PackageInterface $package): ?string
{
$installer = $this->getInstaller($package->getType());
return $installer->getInstallPath($package);
}
public function setOutputProgress(bool $outputProgress): void
{
$this->outputProgress = $outputProgress;
}
public function notifyInstalls(IOInterface $io): void
{
$promises = [];
try {
foreach ($this->notifiablePackages as $repoUrl => $packages) {
// non-batch API, deprecated
if (strpos($repoUrl, '%package%')) {
foreach ($packages as $package) {
$url = str_replace('%package%', $package->getPrettyName(), $repoUrl);
$params = [
'version' => $package->getPrettyVersion(),
'version_normalized' => $package->getVersion(),
];
$opts = [
'retry-auth-failure' => false,
'http' => [
'method' => 'POST',
'header' => ['Content-type: application/x-www-form-urlencoded'],
'content' => http_build_query($params, '', '&'),
'timeout' => 3,
],
];
$promises[] = $this->loop->getHttpDownloader()->add($url, $opts);
}
continue;
}
$postData = ['downloads' => []];
foreach ($packages as $package) {
$packageNotification = [
'name' => $package->getPrettyName(),
'version' => $package->getVersion(),
];
if (strpos($repoUrl, 'packagist.org/') !== false) {
if (isset(FileDownloader::$downloadMetadata[$package->getName()])) {
$packageNotification['downloaded'] = FileDownloader::$downloadMetadata[$package->getName()];
} else {
$packageNotification['downloaded'] = false;
}
}
$postData['downloads'][] = $packageNotification;
}
$opts = [
'retry-auth-failure' => false,
'http' => [
'method' => 'POST',
'header' => ['Content-Type: application/json'],
'content' => json_encode($postData),
'timeout' => 6,
],
];
$promises[] = $this->loop->getHttpDownloader()->add($repoUrl, $opts);
}
$this->loop->wait($promises);
} catch (\Exception $e) {
}
$this->reset();
}
private function markForNotification(PackageInterface $package): void
{
if ($package->getNotificationUrl()) {
$this->notifiablePackages[$package->getNotificationUrl()][$package->getName()] = $package;
}
}
/**
* @return void
* @phpstan-param array<callable(): ?PromiseInterface<void|null>> $cleanupPromises
*/
private function runCleanup(array $cleanupPromises): void
{
$promises = [];
$this->loop->abortJobs();
foreach ($cleanupPromises as $cleanup) {
$promises[] = new \React\Promise\Promise(static function ($resolve) use ($cleanup): void {
$promise = $cleanup();
if (!$promise instanceof PromiseInterface) {
$resolve(null);
} else {
$promise->then(static function () use ($resolve): void {
$resolve(null);
});
}
});
}
if (!empty($promises)) {
$this->loop->wait($promises);
}
}
}