/
TestAssetStore.php
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/
TestAssetStore.php
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<?php
namespace SilverStripe\Assets\Dev;
use League\Flysystem\Visibility;
use SilverStripe\Assets\FilenameParsing\FileResolutionStrategy;
use SilverStripe\Assets\Filesystem as SSFilesystem;
use SilverStripe\Assets\Flysystem\LocalFilesystemAdapter;
use SilverStripe\Assets\Flysystem\FlysystemAssetStore;
use SilverStripe\Assets\Flysystem\ProtectedAssetAdapter;
use SilverStripe\Assets\Flysystem\PublicAssetAdapter;
use SilverStripe\Assets\Storage\AssetContainer;
use SilverStripe\Assets\Flysystem\GeneratedAssets;
use SilverStripe\Assets\Storage\AssetStore;
use SilverStripe\Assets\Storage\AssetStoreRouter;
use SilverStripe\Assets\Storage\DBFile;
use SilverStripe\Assets\File;
use SilverStripe\Assets\FilenameParsing\FileIDHelper;
use SilverStripe\Assets\FilenameParsing\HashFileIDHelper;
use SilverStripe\Assets\FilenameParsing\ParsedFileID;
use SilverStripe\Assets\Flysystem\Filesystem;
use SilverStripe\Assets\Folder;
use SilverStripe\Assets\Storage\GeneratedAssetHandler;
use SilverStripe\Control\Controller;
use SilverStripe\Control\Director;
use SilverStripe\Core\Injector\Injector;
use SilverStripe\Dev\TestOnly;
use SilverStripe\Security\Security;
use SilverStripe\View\Requirements;
/**
* Allows you to mock a backend store in a custom directory beneath assets.
* Only to be used for mocking test fixtures
*/
class TestAssetStore extends FlysystemAssetStore implements TestOnly
{
/**
* Enable disclosure of secure assets
*
* @config
* @var int
*/
private static $denied_response_code = 403;
/**
* Set to true|false to override all isSeekableStream calls
*
* @var null|bool
*/
public static $seekable_override = null;
/**
* Base dir of current file
*
* @var string
*/
public static $basedir = null;
/**
* Set this store as the new asset backend
*
* @param string $basedir Basedir to store assets, which will be placed beneath 'assets' folder
*/
public static function activate($basedir)
{
// Assign this as the new store
$publicAdapter = new PublicAssetAdapter(ASSETS_PATH . '/' . $basedir);
$publicFilesystem = new Filesystem(
$publicAdapter,
[
'visibility' => Visibility::PUBLIC
]
);
$protectedAdapter = new ProtectedAssetAdapter(ASSETS_PATH . '/' . $basedir . '/.protected');
$protectedFilesystem = new Filesystem(
$protectedAdapter,
[
'visibility' => Visibility::PRIVATE
]
);
$backend = new TestAssetStore();
$backend->setPublicFilesystem($publicFilesystem);
$backend->setProtectedFilesystem($protectedFilesystem);
$backend->setPublicResolutionStrategy(Injector::inst()->get(FileResolutionStrategy::class . '.public'));
$backend->setProtectedResolutionStrategy(Injector::inst()->get(FileResolutionStrategy::class . '.protected'));
Injector::inst()->registerService($backend, AssetStore::class);
Injector::inst()->registerService($backend, AssetStoreRouter::class);
// Assign flysystem backend to generated asset handler at the same time
$generated = new GeneratedAssets();
$generated->setFilesystem($publicFilesystem);
Injector::inst()->registerService($generated, GeneratedAssetHandler::class);
Requirements::backend()->setAssetHandler($generated);
// Set defaults
Director::config()->set('alternate_base_url', '/');
DBFile::config()->set('force_resample', false);
File::config()->set('force_resample', false);
self::reset();
self::$basedir = $basedir;
// Ensure basedir exists
SSFilesystem::makeFolder(self::base_path());
}
/**
* Get absolute path to basedir
*
* @return string
*/
public static function base_path()
{
if (!self::$basedir) {
return null;
}
return ASSETS_PATH . '/' . self::$basedir;
}
/**
* Reset defaults for this store
*/
public static function reset()
{
// Remove all files in this store
if (self::$basedir) {
$path = self::base_path();
if (file_exists($path ?? '')) {
SSFilesystem::removeFolder($path);
}
}
self::$seekable_override = null;
self::$basedir = null;
}
/**
* Helper method to get local filesystem path for this file
*
* @param AssetContainer $asset
* @param boolean $forceProtected
* @param boolean $relative Return path relative to asset store root.
* @return string
*/
public static function getLocalPath(AssetContainer $asset, $forceProtected = false, $relative = false)
{
if ($asset instanceof Folder) {
return self::base_path() . '/' . $asset->getFilename();
}
if ($asset instanceof File) {
$asset = $asset->File;
}
// Extract filesystem used to store this object
/** @var TestAssetStore $assetStore */
$assetStore = Injector::inst()->get(AssetStore::class);
$fileID = $assetStore->getFileID($asset->Filename, $asset->Hash, $asset->Variant);
$filesystem = $assetStore->getProtectedFilesystem();
if (!$forceProtected && !$filesystem->has($fileID)) {
$filesystem = $assetStore->getPublicFilesystem();
}
/** @var LocalFilesystemAdapter $adapter */
$adapter = $filesystem->getAdapter();
return $relative ? $fileID : $adapter->prefixPath($fileID);
}
public function cleanFilename(string $filename)
{
$helper = Injector::inst()->get(HashFileIDHelper::class);
return $helper->cleanFilename($filename);
}
public function getFileID($filename, $hash, $variant = null)
{
return parent::getFileID($filename, $hash, $variant);
}
public function parseFileID(string $fileID)
{
$parsedFileID = $this->getProtectedResolutionStrategy()->parseFileID($fileID);
return $parsedFileID ? $parsedFileID->getTuple() : null;
}
public function getOriginalFilename(string $fileID)
{
$parsedFiledID = $this->getPublicResolutionStrategy()->parseFileID($fileID);
return $parsedFiledID ? $parsedFiledID->getFilename() : null;
}
public function getFilesystemFor(string $fileID)
{
return $this->applyToFileIDOnFilesystem(
function (ParsedFileID $parsedFileID, Filesystem $fs) {
return $fs;
},
$fileID
);
}
public function removeVariant(string $fileID)
{
$parsedFiledID = $this->getPublicResolutionStrategy()->parseFileID($fileID);
if ($parsedFiledID) {
return $this->getPublicResolutionStrategy()->buildFileID($parsedFiledID->setVariant(''));
}
return $fileID;
}
public function getDefaultConflictResolution($variant)
{
return parent::getDefaultConflictResolution($variant);
}
/**
* Allows testing of grant status
*
* @param string $filename
* @param string $hash
*/
public function isGranted($fileID)
{
return parent::isGranted($fileID);
}
protected function isSeekableStream($stream)
{
if (isset(self::$seekable_override)) {
// Unset the override so we don't get stuck in an infinite loop
self::$seekable_override = null;
return self::$seekable_override;
}
return parent::isSeekableStream($stream);
}
}