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<?php
/**
* This file is part of PHPWord - A pure PHP library for reading and writing
* word processing documents.
*
* PHPWord is free software distributed under the terms of the GNU Lesser
* General Public License version 3 as published by the Free Software Foundation.
*
* For the full copyright and license information, please read the LICENSE
* file that was distributed with this source code. For the full list of
* contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
*
* @see https://github.com/PHPOffice/PHPWord
* @copyright 2010-2018 PHPWord contributors
* @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3
*/
namespace PhpOffice\PhpWord\Metadata;
use PhpOffice\Common\Microsoft\PasswordEncoder;
use PhpOffice\PhpWord\SimpleType\DocProtect;
/**
* Document protection class
*
* @since 0.12.0
* @see http://www.datypic.com/sc/ooxml/t-w_CT_DocProtect.html
*/
class Protection
{
/**
* Editing restriction none|readOnly|comments|trackedChanges|forms
*
* @var string
* @see http://www.datypic.com/sc/ooxml/a-w_edit-1.html
*/
private $editing;
/**
* password
*
* @var string
*/
private $password;
/**
* Iterations to Run Hashing Algorithm
*
* @var int
*/
private $spinCount = 100000;
/**
* Cryptographic Hashing Algorithm (see constants defined in \PhpOffice\PhpWord\Shared\Microsoft\PasswordEncoder)
*
* @var string
*/
private $algorithm = PasswordEncoder::ALGORITHM_SHA_1;
/**
* Salt for Password Verifier
*
* @var string
*/
private $salt;
/**
* Create a new instance
*
* @param string $editing
*/
public function __construct($editing = null)
{
if ($editing != null) {
$this->setEditing($editing);
}
}
/**
* Get editing protection
*
* @return string
*/
public function getEditing()
{
return $this->editing;
}
/**
* Set editing protection
*
* @param string $editing Any value of \PhpOffice\PhpWord\SimpleType\DocProtect
* @return self
*/
public function setEditing($editing = null)
{
DocProtect::validate($editing);
$this->editing = $editing;
return $this;
}
/**
* Get password
*
* @return string
*/
public function getPassword()
{
return $this->password;
}
/**
* Set password
*
* @param string $password
* @return self
*/
public function setPassword($password)
{
$this->password = $password;
return $this;
}
/**
* Get count for hash iterations
*
* @return int
*/
public function getSpinCount()
{
return $this->spinCount;
}
/**
* Set count for hash iterations
*
* @param int $spinCount
* @return self
*/
public function setSpinCount($spinCount)
{
$this->spinCount = $spinCount;
return $this;
}
/**
* Get algorithm
*
* @return string
*/
public function getAlgorithm()
{
return $this->algorithm;
}
/**
* Set algorithm
*
* @param string $algorithm
* @return self
*/
public function setAlgorithm($algorithm)
{
$this->algorithm = $algorithm;
return $this;
}
/**
* Get salt
*
* @return string
*/
public function getSalt()
{
return $this->salt;
}
/**
* Set salt. Salt HAS to be 16 characters, or an exception will be thrown.
*
* @param string $salt
* @throws \InvalidArgumentException
* @return self
*/
public function setSalt($salt)
{
if ($salt !== null && strlen($salt) !== 16) {
throw new \InvalidArgumentException('salt has to be of exactly 16 bytes length');
}
$this->salt = $salt;
return $this;
}
}