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<?php |
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/** |
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* BaconPdf |
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* |
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* @link http://github.com/Bacon/BaconPdf For the canonical source repository |
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* @copyright 2015 Ben Scholzen (DASPRiD) |
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* @license http://opensource.org/licenses/BSD-2-Clause Simplified BSD License |
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*/ |
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namespace Bacon\Pdf\Encryption; |
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/** |
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* Permissions as defined in table 3.20 in section 3.5. |
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*/ |
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final class Permissions |
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{ |
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/** |
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* @var bool |
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*/ |
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private $mayPrint; |
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/** |
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* @var bool |
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*/ |
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private $mayPrintHighResolution; |
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/** |
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* @var bool |
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*/ |
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private $mayModify; |
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/** |
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* @var bool |
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*/ |
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private $mayCopy; |
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/** |
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* @var bool |
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*/ |
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private $mayAnnotate; |
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/** |
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* @var bool |
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*/ |
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private $mayFillInForms; |
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/** |
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* @var bool |
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*/ |
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private $mayExtractForAccessibility; |
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/** |
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* @var bool |
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*/ |
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private $mayAssemble; |
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/** |
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* @param bool $mayPrint |
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* @param bool $mayPrintHighResolution |
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* @param bool $mayModify |
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* @param bool $mayCopy |
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* @param bool $mayAnnotate |
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* @param bool $mayFillInForms |
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* @param bool $mayExtractForAccessibility |
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* @param bool $mayAssemble |
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*/ |
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public function __construct( |
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$mayPrint, |
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$mayPrintHighResolution, |
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$mayModify, |
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$mayCopy, |
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$mayAnnotate, |
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$mayFillInForms, |
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$mayExtractForAccessibility, |
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$mayAssemble |
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) { |
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$this->mayPrint = $mayPrint; |
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$this->mayPrintHighResolution = $mayPrintHighResolution; |
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$this->mayModify = $mayModify; |
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$this->mayCopy = $mayCopy; |
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$this->mayAnnotate = $mayAnnotate; |
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$this->mayFillInForms = $mayFillInForms; |
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$this->mayExtractForAccessibility = $mayExtractForAccessibility; |
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$this->mayAssemble = $mayAssemble; |
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} |
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/** |
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* Creates permissions which allow nothing. |
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* |
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* @return self |
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*/ |
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public static function allowNothing() |
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{ |
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return new self(false, false, false, false, false, false, false, false); |
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} |
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/** |
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* Creates permissions which allow everything. |
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* |
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* @return self |
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*/ |
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public static function allowEverything() |
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{ |
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return new self(true, true, true, true, true, true, true, true); |
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} |
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/** |
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* Convert the permissions to am integer bit mask. |
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* |
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* @internal Keep in mind that the bit positions named in the PDF reference are counted from 1, while in here they |
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* are counted from 0. |
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* |
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* @param int $revision |
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* @return int |
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*/ |
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public function toInt($revision) |
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{ |
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$flags = 0; |
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if ($this->mayPrint) { |
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$flags |= (1 << 2); |
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} |
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if ($this->mayModify) { |
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$flags |= (1 << 3); |
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} |
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if ($this->mayCopy) { |
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$flags |= (1 << 4); |
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} |
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if ($this->mayAnnotate) { |
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$flags |= (1 << 5); |
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} |
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if ($revision >= 3) { |
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if ($this->mayFillInForms) { |
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$flags |= (1 << 8); |
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} |
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if ($this->mayExtractForAccessibility) { |
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$flags |= (1 << 9); |
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} |
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if ($this->mayAssemble) { |
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$flags |= (1 << 10); |
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} |
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if ($this->mayPrintHighResolution) { |
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$flags |= (1 << 11); |
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} |
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} |
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return $flags; |
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} |
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} |
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Bacon /
BaconPdf
