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<?php |
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/** |
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* @link http://www.tintsoft.com/ |
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* @copyright Copyright (c) 2012 TintSoft Technology Co. Ltd. |
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* @license http://www.tintsoft.com/license/ |
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*/ |
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namespace yuncms\filesystem; |
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use yii\base\Component; |
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use yii\base\InvalidConfigException; |
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use yii\base\NotSupportedException; |
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use yii\caching\Cache; |
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use yii\di\Instance; |
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use League\Flysystem\AdapterInterface; |
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use League\Flysystem\Cached\CachedAdapter; |
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/** |
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* Class Filesystem |
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* |
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* @author Tongle Xu <[email protected]> |
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* @since 3.0 |
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*/ |
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abstract class Adapter extends Component |
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{ |
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/** |
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* @var \League\Flysystem\FilesystemInterface |
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*/ |
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protected $adapter; |
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/** |
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* @var string|null |
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*/ |
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public $cache; |
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/** |
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* @var string |
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*/ |
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public $cacheKey = 'flysystem'; |
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/** |
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* @var integer |
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*/ |
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public $cacheDuration = 3600; |
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/** |
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* @var string|null The adapter URL |
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*/ |
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public $url; |
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/** |
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* @var bool|null Whether the volume has a public URL |
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*/ |
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public $hasUrls; |
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/** |
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* 初始化适配器 |
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* @throws InvalidConfigException |
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*/ |
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public function init() |
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{ |
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$adapter = $this->prepareAdapter(); |
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if ($this->cache !== null) { |
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/* @var Cache $cache */ |
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$cache = Instance::ensure($this->cache, Cache::class); |
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if (!$cache instanceof Cache) { |
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throw new InvalidConfigException('The "cache" property must be an instance of \yii\caching\Cache subclasses.'); |
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} |
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$adapter = new CachedAdapter($adapter, new YiiCache($cache, $this->cacheKey, $this->cacheDuration)); |
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} |
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// And use that to create the file system |
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$this->adapter = new \League\Flysystem\Filesystem($adapter); |
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} |
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/** |
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* 准备适配器 |
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* @return AdapterInterface |
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*/ |
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abstract protected function prepareAdapter(); |
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/** |
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* Returns the URL to the source, if it’s accessible via HTTP traffic. |
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* |
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* @return string|false The root URL, or `false` if there isn’t one |
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*/ |
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public function getRootUrl() |
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{ |
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return false; |
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} |
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/** |
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* 获取文件的Url访问路径 |
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* @param string $path |
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* @return string |
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* @throws NotSupportedException |
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*/ |
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public function getUrl($path) |
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{ |
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if (is_null($this->url)) { |
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throw new NotSupportedException('"getUrl" is not implemented.'); |
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} else { |
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return $this->url . '/' . $path; |
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} |
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} |
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/** |
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* 魔术方法，执行适配器方法 |
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* @param string $method |
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* @param array $parameters |
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* @return mixed |
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*/ |
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public function __call($method, $parameters) |
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{ |
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return call_user_func_array([$this->adapter, $method], $parameters); |
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} |
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} |
yuncms /
framework
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