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<?php |
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namespace Uploader; |
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use Closure; |
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class Uploader |
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{ |
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protected $cwd; |
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protected $adapter; |
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protected $original; |
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protected $adapters = [ |
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'Uploader\\Adapters\\Base64', |
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'Uploader\\Adapters\\Psr7', |
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'Uploader\\Adapters\\Upload', |
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'Uploader\\Adapters\\Url', |
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]; |
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protected $callbacks = [ |
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'destination' => null, |
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'prefix' => null, |
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'overwrite' => null, |
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'directory' => null, |
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'filename' => null, |
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'extension' => null, |
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]; |
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protected $options = [ |
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'prefix' => null, |
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'overwrite' => false, |
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'create_dir' => false, |
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'directory' => null, |
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'filename' => null, |
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'extension' => null, |
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]; |
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/** |
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* @param string $cwd The current working directory used to save the file |
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*/ |
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public function __construct($cwd) |
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{ |
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$this->setCwd($cwd); |
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} |
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/** |
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* Execute a upload. |
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* |
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* @param mixed $original |
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* @param null|string $adapter |
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* |
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* @throws \InvalidArgumentException On error |
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* |
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* @return string The file destination |
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*/ |
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public function __invoke($original, $adapter = null) |
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{ |
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return $this |
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->with($original, $adapter) |
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->save() |
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->getDestination(); |
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} |
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/** |
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* Set the current working directory. |
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* |
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* @param string $cwd |
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* |
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* @return $this |
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*/ |
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public function setCwd($cwd) |
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{ |
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$this->cwd = $cwd; |
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return $this; |
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} |
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/** |
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* Set a prefix for the filenames. |
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* |
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* @return string|null |
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*/ |
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public function getCwd() |
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{ |
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return $this->cwd; |
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} |
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/** |
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* Set a prefix for the filenames. |
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* |
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* @param string|Closure $prefix |
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* |
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* @return $this |
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*/ |
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public function setPrefix($prefix) |
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{ |
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return $this->setOption('prefix', $prefix); |
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} |
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/** |
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* Set a prefix for the filenames. |
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* |
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* @return string|null |
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*/ |
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public function getPrefix() |
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{ |
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return empty($this->options['prefix']) ? null : $this->options['prefix']; |
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} |
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/** |
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* Set the overwrite configuration. |
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* |
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* @param bool|Closure $overwrite |
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* |
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* @return $this |
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*/ |
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public function setOverwrite($overwrite) |
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{ |
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return $this->setOption('overwrite', $overwrite); |
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} |
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/** |
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* Get the overwrite configuration. |
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* |
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* @return bool |
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*/ |
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public function getOverwrite() |
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{ |
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return (boolean) $this->options['overwrite']; |
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} |
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/** |
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* Set the create_dir configuration. |
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* |
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* @param bool|Closure $create_dir |
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* |
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* @return $this |
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*/ |
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public function setCreateDir($create_dir) |
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{ |
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return $this->setOption('create_dir', $create_dir); |
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} |
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/** |
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* Get the create_dir configuration. |
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* |
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* @return bool |
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*/ |
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public function getCreateDir() |
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{ |
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return (boolean) $this->options['create_dir']; |
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} |
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/** |
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* Set the destination of the file. It includes the directory, filename and extension. |
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* |
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* @param string|Closure $destination |
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* |
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* @return $this |
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*/ |
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public function setDestination($destination) |
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{ |
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if ($destination instanceof Closure) { |
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$this->callbacks['destination'] = $destination; |
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} else { |
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$this->options = self::parsePath($destination) + $this->options; |
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} |
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return $this; |
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} |
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/** |
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* Returns the file destination. |
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* |
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* @param bool $absolute Whether or not returns the cwd |
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* |
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* @return string |
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*/ |
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public function getDestination($absolute = false) |
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{ |
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return self::fixPath(($absolute ? '/'.$this->cwd : ''), $this->getDirectory(), $this->getPrefix().$this->getFilename().'.'.$this->getExtension()); |
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} |
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/** |
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* Set only the directory of the destination. |
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* |
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* @param string|Closure $directory |
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* |
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* @return $this |
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*/ |
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public function setDirectory($directory) |
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{ |
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return $this->setOption('directory', $directory); |
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} |
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/** |
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* Get the directory of the destination. |
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* |
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* @return null|string |
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*/ |
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public function getDirectory() |
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{ |
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return empty($this->options['directory']) ? null : $this->options['directory']; |
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} |
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/** |
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* Set only the filename of the destination. |
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* |
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* @param string|Closure $filename |
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* |
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* @return $this |
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*/ |
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public function setFilename($filename) |
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{ |
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return $this->setOption('filename', $filename); |
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} |
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/** |
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* Get the filename of the destination. |
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* |
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* @return null|string |
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*/ |
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public function getFilename() |
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{ |
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return empty($this->options['filename']) ? null : $this->options['filename']; |
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} |
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/** |
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* Set only the file extension of the destination. |
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* |
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* @param string|Closure $extension |
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* |
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* @return $this |
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*/ |
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public function setExtension($extension) |
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{ |
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return $this->setOption('extension', $extension); |
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} |
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/** |
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* Get the extension of the destination. |
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* |
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* @return null|string |
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*/ |
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public function getExtension() |
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{ |
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return empty($this->options['extension']) ? null : strtolower($this->options['extension']); |
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} |
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/** |
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* Set the original source. |
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* |
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* @param mixed $original |
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* @param null|string $adapter |
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* |
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* @throws \InvalidArgumentException On error |
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* |
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* @return Uploader A new cloned copy with the source and adapter configured |
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*/ |
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public function with($original, $adapter = null) |
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{ |
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$new = clone $this; |
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$new->original = $original; |
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$new->adapter = $adapter; |
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if ($new->adapter === null) { |
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foreach ($new->adapters as $each) { |
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if ($each::check($original)) { |
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$new->adapter = $each; |
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break; |
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} |
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} |
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} |
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if ($new->adapter === null || !class_exists($new->adapter)) { |
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throw new \InvalidArgumentException('No valid adapter found'); |
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} |
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return $new; |
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} |
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/** |
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* Save the file. |
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* |
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* @throws \Exception On error |
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* |
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* @return $this |
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*/ |
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public function save() |
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{ |
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if (!$this->original || empty($this->adapter)) { |
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throw new \Exception('Original source is not defined'); |
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} |
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call_user_func("{$this->adapter}::fixDestination", $this, $this->original); |
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//Execute callbacks |
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foreach ($this->callbacks as $name => $callback) { |
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if ($callback) { |
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if ($name === 'destination') { |
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$this->setDestination($callback($this)); |
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} else { |
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$this->options[$name] = $callback($this); |
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} |
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} |
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} |
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$destination = $this->getDestination(true); |
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if (!$this->getOverwrite() && is_file($destination)) { |
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throw new \RuntimeException(sprintf('Cannot override the file "%s"', $destination)); |
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} |
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if ($this->getCreateDir() && !is_dir(dirname($destination))) { |
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if (mkdir(dirname($destination), 0777, true) === false) { |
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throw new \RuntimeException(sprintf('Unable to create the directory "%s"', dirname($destination))); |
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} |
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} |
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call_user_func("{$this->adapter}::save", $this->original, $destination); |
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return $this; |
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} |
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/** |
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* Saves an option. |
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* |
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* @param string $name |
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* @param mixed $value |
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* |
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* @return $this |
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*/ |
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protected function setOption($name, $value) |
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{ |
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if ($value instanceof Closure) { |
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$this->callbacks[$name] = $value; |
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} else { |
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$this->options[$name] = $value; |
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} |
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return $this; |
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} |
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344
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/** |
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345
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* Helper function used to parse a path. |
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346
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* |
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347
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* @param string $path |
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348
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* |
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349
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* @return array With 3 keys: directory, filename and extension |
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350
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*/ |
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351
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public static function parsePath($path) |
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352
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{ |
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353
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$components = pathinfo($path); |
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354
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355
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return [ |
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356
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'directory' => isset($components['dirname']) ? self::fixPath($components['dirname']) : null, |
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357
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'filename' => isset($components['filename']) ? $components['filename'] : null, |
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358
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'extension' => isset($components['extension']) ? $components['extension'] : null, |
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359
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]; |
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360
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|
|
} |
|
361
|
|
|
|
|
362
|
|
|
/** |
|
363
|
|
|
* Resolve paths with ../, //, etc... |
|
364
|
|
|
* |
|
365
|
|
|
* @param string $path |
|
366
|
|
|
* |
|
367
|
|
|
* @return string |
|
368
|
|
|
*/ |
|
369
|
|
|
private static function fixPath($path) |
|
370
|
|
|
{ |
|
371
|
|
|
if (func_num_args() > 1) { |
|
372
|
|
|
return self::fixPath(implode('/', func_get_args())); |
|
373
|
|
|
} |
|
374
|
|
|
|
|
375
|
|
|
$replace = ['#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#']; |
|
376
|
|
|
|
|
377
|
|
|
do { |
|
378
|
|
|
$path = preg_replace($replace, '/', $path, -1, $n); |
|
379
|
|
|
} while ($n > 0); |
|
380
|
|
|
|
|
381
|
|
|
return $path; |
|
382
|
|
|
} |
|
383
|
|
|
} |
|
384
|
|
|
|