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<?php
/**
* @file
* @ingroup upload
*
* Implements uploading from previously stored file.
*
* @author Bryan Tong Minh
*/
class UploadFromStash extends UploadBase {
public static function isValidSessionKey( $key, $sessionData ) {
return !empty( $key ) &&
is_array( $sessionData ) &&
isset( $sessionData[$key] ) &&
isset( $sessionData[$key]['version'] ) &&
$sessionData[$key]['version'] == self::SESSION_VERSION;
}
public static function isValidRequest( $request ) {
$sessionData = $request->getSessionData( 'wsUploadData' );
return self::isValidSessionKey(
$request->getInt( 'wpSessionKey' ),
$sessionData
);
}
public function initialize( $name, $sessionKey, $sessionData ) {
/**
* Confirming a temporarily stashed upload.
* We don't want path names to be forged, so we keep
* them in the session on the server and just give
* an opaque key to the user agent.
*/
$this->initializePathInfo( $name,
$this->getRealPath ( $sessionData['mTempPath'] ),
$sessionData['mFileSize'],
false
);
$this->mSessionKey = $sessionKey;
$this->mVirtualTempPath = $sessionData['mTempPath'];
$this->mFileProps = $sessionData['mFileProps'];
}
public function initializeFromRequest( &$request ) {
$sessionKey = $request->getInt( 'wpSessionKey' );
$sessionData = $request->getSessionData('wsUploadData');
$desiredDestName = $request->getText( 'wpDestFile' );
if( !$desiredDestName )
$desiredDestName = $request->getText( 'wpUploadFile' );
return $this->initialize( $desiredDestName, $sessionKey, $sessionData[$sessionKey] );
}
/**
* File has been previously verified so no need to do so again.
*/
protected function verifyFile() {
return true;
}
/**
* There is no need to stash the image twice
*/
public function stashSession() {
if ( !empty( $this->mSessionKey ) )
return $this->mSessionKey;
return parent::stashSession();
}
/**
* Remove a temporarily kept file stashed by saveTempUploadedFile().
* @return success
*/
public function unsaveUploadedFile() {
$repo = RepoGroup::singleton()->getLocalRepo();
$success = $repo->freeTemp( $this->mVirtualTempPath );
return $success;
}
}
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