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Installer.php
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Installer.php
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<?php
namespace Tomodomo\Packages\Installer;
use Composer\Composer;
use Composer\EventDispatcher\EventSubscriberInterface;
use Composer\DependencyResolver\Operation\OperationInterface;
use Composer\IO\IOInterface;
use Composer\Plugin\PluginInterface;
use Composer\Installer\PackageEvent;
use Composer\Installer\PackageEvents;
use Composer\Plugin\PluginEvents;
use Composer\Plugin\PreFileDownloadEvent;
class Installer implements PluginInterface, EventSubscriberInterface
{
protected $composer;
protected $io;
protected $downloadUrl;
/**
* Activate plugin.
*
* @param Composer $composer
* @param IOInterface $io
*/
public function activate(Composer $composer, IOInterface $io)
{
$this->composer = $composer;
$this->io = $io;
}
/**
* Set subscribed events.
*
* @return array
*/
public static function getSubscribedEvents()
{
return [
PackageEvents::PRE_PACKAGE_INSTALL => 'getDownloadUrl',
PackageEvents::PRE_PACKAGE_UPDATE => 'getDownloadUrl',
PluginEvents::PRE_FILE_DOWNLOAD => 'onPreFileDownload',
];
}
/**
* Get package from operation.
*
* @param OperationInterface $operation
*
* @return mixed
*/
protected function getPackageFromOperation(OperationInterface $operation)
{
if ('update' === $operation->getJobType()) {
return $operation->getTargetPackage();
}
return $operation->getPackage();
}
/**
* Get download URL for our plugins.
*
* @param PackageEvent $event
*
* @return void
*/
public function getDownloadUrl(PackageEvent $event) {
$package = $this->getPackageFromOperation($event->getOperation());
$packageName = $package->getName();
// @todo Implement a router here.
$this->downloadUrl = $plugin->getDownloadUrl();
return;
}
/**
* Process our plugin downloads.
*
* @param PreFileDownloadEvent $event
*
* @return void
*/
public function onPreFileDownload(PreFileDownloadEvent $event)
{
if (empty($this->downloadUrl)) {
return;
}
// This is where the magic happens to pull in the remote file.
$rfs = $event->getRemoteFilesystem();
$customRfs = new RemoteFilesystem(
$this->downloadUrl,
$this->io,
$this->composer->getConfig(),
$rfs->getOptions(),
$rfs->isTlsDisabled()
);
$event->setRemoteFilesystem( $customRfs );
return;
}
}