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XUploadAction.php
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XUploadAction.php
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<?php
Yii::import( "xupload.models.XUploadForm" );
/**
* XUploadAction
* =============
* Basic upload functionality for an action used by the xupload extension.
*
* XUploadAction is used together with XUpload and XUploadForm to provide file upload funcionality to any application
*
* You must configure properties of XUploadAction to customize the folders of the uploaded files.
*
* Using XUploadAction involves the following steps:
*
* 1. Override CController::actions() and register an action of class XUploadAction with ID 'upload', and configure its
* properties:
* ~~~
* [php]
* class MyController extends CController
* {
* public function actions()
* {
* return array(
* 'upload'=>array(
* 'class'=>'xupload.actions.XUploadAction',
* 'path' =>Yii::app() -> getBasePath() . "/../uploads",
* 'publicPath' => Yii::app() -> getBaseUrl() . "/uploads",
* 'subfolderVar' => "parent_id",
* ),
* );
* }
* }
*
* 2. In the form model, declare an attribute to store the uploaded file data, and declare the attribute to be validated
* by the 'file' validator.
* 3. In the controller view, insert a XUpload widget.
*
* ###Resources
* - [xupload](http://www.yiiframework.com/extension/xupload)
*
* @version 0.3
* @author Asgaroth (http://www.yiiframework.com/user/1883/)
*/
class XUploadAction extends CAction {
/**
* The query string variable name where the subfolder name will be taken from.
* If false, no subfolder will be used.
* Defaults to null meaning the subfolder to be used will be the result of date("mdY").
*
* @see XUploadAction::init().
* @var string
* @since 0.2
*/
public $subfolderVar;
/**
* Path of the main uploading folder.
* @see XUploadAction::init()
* @var string
* @since 0.1
*/
public $path;
/**
* Public path of the main uploading folder.
* @see XUploadAction::init()
* @var string
* @since 0.1
*/
public $publicPath;
/**
* The resolved subfolder to upload the file to
* @var string
* @since 0.2
*/
private $_subfolder = "";
/**
* Initialize the propeties of pthis action, if they are not set.
*
* @since 0.1
*/
public function init( ) {
if( !isset( $this->path ) ) {
$this->path = realpath( Yii::app( )->getBasePath( )."/../uploads" );
}
if( !is_dir( $this->path ) ) {
mkdir( $this->path, 0777, true );
chmod ( $this->path , 0777 );
//throw new CHttpException(500, "{$this->path} does not exists.");
} else if( !is_writable( $this->path ) ) {
chmod( $this->path, 0777 );
//throw new CHttpException(500, "{$this->path} is not writable.");
}
if( $this->subfolderVar !== null ) {
$this->_subfolder = Yii::app( )->request->getQuery( $this->subfolderVar, date( "mdY" ) );
} else if( $this->subfolderVar !== false ) {
$this->_subfolder = date( "mdY" );
}
}
/**
* The main action that handles the file upload request.
* @since 0.1
* @author Asgaroth
*/
public function run( ) {
header( 'Vary: Accept' );
if( isset( $_SERVER['HTTP_ACCEPT'] ) && (strpos( $_SERVER['HTTP_ACCEPT'], 'application/json' ) !== false) ) {
header( 'Content-type: application/json' );
} else {
header( 'Content-type: text/plain' );
}
if( isset( $_GET["_method"] ) ) {
if( $_GET["_method"] == "delete" ) {
$success = is_file( $_GET["file"] ) && $_GET["file"][0] !== '.' && unlink( $_GET["file"] );
echo json_encode( $success );
}
} else {
$this->init( );
$model = new XUploadForm;
$model->file = CUploadedFile::getInstance( $model, 'file' );
if( $model->file !== null ) {
$model->mime_type = $model->file->getType( );
$model->size = $model->file->getSize( );
$model->name = $model->file->getName( );
if( $model->validate( ) ) {
$path = ($this->_subfolder != "") ? "{$this->path}/{$this->_subfolder}/" : "{$this->path}/";
$publicPath = ($this->_subfolder != "") ? "{$this->publicPath}/{$this->_subfolder}/" : "{$this->publicPath}/";
if( !is_dir( $path ) ) {
mkdir( $path, 0777, true );
chmod ( $path , 0777 );
}
$model->file->saveAs( $path.$model->name );
chmod( $path.$model->name, 0777 );
echo json_encode( array( array(
"name" => $model->name,
"type" => $model->mime_type,
"size" => $model->size,
"url" => $publicPath.$model->name,
"thumbnail_url" => $publicPath.$model->name,
"delete_url" => $this->getController( )->createUrl( "upload", array(
"_method" => "delete",
"file" => $path.$model->name
) ),
"delete_type" => "POST"
) ) );
} else {
echo json_encode( array( array( "error" => $model->getErrors( 'file' ), ) ) );
Yii::log( "XUploadAction: ".CVarDumper::dumpAsString( $model->getErrors( ) ), CLogger::LEVEL_ERROR, "xupload.actions.XUploadAction" );
}
} else {
throw new CHttpException( 500, "Could not upload file" );
}
}
}
}