/usr/share/php/Composer/Installer/InstallationManager.php is in composer 1.0.0~beta2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* 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\Package\PackageInterface;
use Composer\Package\AliasPackage;
use Composer\Repository\RepositoryInterface;
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\Util\StreamContextFactory;
/**
* 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
{
private $installers = array();
private $cache = array();
private $notifiablePackages = array();
public function reset()
{
$this->notifiablePackages = array();
}
/**
* Adds installer
*
* @param InstallerInterface $installer installer instance
*/
public function addInstaller(InstallerInterface $installer)
{
array_unshift($this->installers, $installer);
$this->cache = array();
}
/**
* Removes installer
*
* @param InstallerInterface $installer installer instance
*/
public function removeInstaller(InstallerInterface $installer)
{
if (false !== ($key = array_search($installer, $this->installers, true))) {
array_splice($this->installers, $key, 1);
$this->cache = array();
}
}
/**
* Disables plugins.
*
* We prevent any plugins from being instantiated by simply
* deactivating the installer for them. This ensure that no third-party
* code is ever executed.
*/
public function disablePlugins()
{
foreach ($this->installers as $i => $installer) {
if (!$installer instanceof PluginInstaller) {
continue;
}
unset($this->installers[$i]);
}
}
/**
* Returns installer for a specific package type.
*
* @param string $type package type
*
* @throws \InvalidArgumentException if installer for provided type is not registered
* @return InstallerInterface
*/
public function getInstaller($type)
{
$type = strtolower($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
*
* @return bool
*/
public function isPackageInstalled(InstalledRepositoryInterface $repo, PackageInterface $package)
{
if ($package instanceof AliasPackage) {
return $repo->hasPackage($package) && $this->isPackageInstalled($repo, $package->getAliasOf());
}
return $this->getInstaller($package->getType())->isInstalled($repo, $package);
}
/**
* Executes solver operation.
*
* @param RepositoryInterface $repo repository in which to check
* @param OperationInterface $operation operation instance
*/
public function execute(RepositoryInterface $repo, OperationInterface $operation)
{
$method = $operation->getJobType();
$this->$method($repo, $operation);
}
/**
* Executes install operation.
*
* @param RepositoryInterface $repo repository in which to check
* @param InstallOperation $operation operation instance
*/
public function install(RepositoryInterface $repo, InstallOperation $operation)
{
$package = $operation->getPackage();
$installer = $this->getInstaller($package->getType());
$installer->install($repo, $package);
$this->markForNotification($package);
}
/**
* Executes update operation.
*
* @param RepositoryInterface $repo repository in which to check
* @param UpdateOperation $operation operation instance
*/
public function update(RepositoryInterface $repo, UpdateOperation $operation)
{
$initial = $operation->getInitialPackage();
$target = $operation->getTargetPackage();
$initialType = $initial->getType();
$targetType = $target->getType();
if ($initialType === $targetType) {
$installer = $this->getInstaller($initialType);
$installer->update($repo, $initial, $target);
$this->markForNotification($target);
} else {
$this->getInstaller($initialType)->uninstall($repo, $initial);
$this->getInstaller($targetType)->install($repo, $target);
}
}
/**
* Uninstalls package.
*
* @param RepositoryInterface $repo repository in which to check
* @param UninstallOperation $operation operation instance
*/
public function uninstall(RepositoryInterface $repo, UninstallOperation $operation)
{
$package = $operation->getPackage();
$installer = $this->getInstaller($package->getType());
$installer->uninstall($repo, $package);
}
/**
* Executes markAliasInstalled operation.
*
* @param RepositoryInterface $repo repository in which to check
* @param MarkAliasInstalledOperation $operation operation instance
*/
public function markAliasInstalled(RepositoryInterface $repo, MarkAliasInstalledOperation $operation)
{
$package = $operation->getPackage();
if (!$repo->hasPackage($package)) {
$repo->addPackage(clone $package);
}
}
/**
* Executes markAlias operation.
*
* @param RepositoryInterface $repo repository in which to check
* @param MarkAliasUninstalledOperation $operation operation instance
*/
public function markAliasUninstalled(RepositoryInterface $repo, MarkAliasUninstalledOperation $operation)
{
$package = $operation->getPackage();
$repo->removePackage($package);
}
/**
* Returns the installation path of a package
*
* @param PackageInterface $package
* @return string path
*/
public function getInstallPath(PackageInterface $package)
{
$installer = $this->getInstaller($package->getType());
return $installer->getInstallPath($package);
}
public function notifyInstalls(IOInterface $io)
{
foreach ($this->notifiablePackages as $repoUrl => $packages) {
$repositoryName = parse_url($repoUrl, PHP_URL_HOST);
if ($io->hasAuthentication($repositoryName)) {
$auth = $io->getAuthentication($repositoryName);
$authStr = base64_encode($auth['username'] . ':' . $auth['password']);
$authHeader = 'Authorization: Basic '.$authStr;
}
// non-batch API, deprecated
if (strpos($repoUrl, '%package%')) {
foreach ($packages as $package) {
$url = str_replace('%package%', $package->getPrettyName(), $repoUrl);
$params = array(
'version' => $package->getPrettyVersion(),
'version_normalized' => $package->getVersion(),
);
$opts = array('http' =>
array(
'method' => 'POST',
'header' => array('Content-type: application/x-www-form-urlencoded'),
'content' => http_build_query($params, '', '&'),
'timeout' => 3,
),
);
if (isset($authHeader)) {
$opts['http']['header'][] = $authHeader;
}
$context = StreamContextFactory::getContext($url, $opts);
@file_get_contents($url, false, $context);
}
continue;
}
$postData = array('downloads' => array());
foreach ($packages as $package) {
$postData['downloads'][] = array(
'name' => $package->getPrettyName(),
'version' => $package->getVersion(),
);
}
$opts = array('http' =>
array(
'method' => 'POST',
'header' => array('Content-Type: application/json'),
'content' => json_encode($postData),
'timeout' => 6,
),
);
if (isset($authHeader)) {
$opts['http']['header'][] = $authHeader;
}
$context = StreamContextFactory::getContext($repoUrl, $opts);
@file_get_contents($repoUrl, false, $context);
}
$this->reset();
}
private function markForNotification(PackageInterface $package)
{
if ($package->getNotificationUrl()) {
$this->notifiablePackages[$package->getNotificationUrl()][$package->getName()] = $package;
}
}
}
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