Encrypt Resulting PDF
This demo shows you how to encrypt the merged result with a password.
Owner password is the-owner-password and the user password is the-user-password.
PHP
<?php
use setasign\SetaPDF2\Core\SecHandler\SecHandler;
use setasign\SetaPDF2\Core\SecHandler\Standard\Aes256;
use setasign\SetaPDF2\Core\Writer\HttpWriter;
use setasign\SetaPDF2\Merger\Merger;
// load and register the autoload function
require_once __DIR__ . '/../../../../../bootstrap.php';
// simple merge process
$merger = new Merger();
$merger->addFile($assetsDirectory . '/pdfs/tektown/eBook-Invoice.pdf');
$merger->addFile($assetsDirectory . '/pdfs/tektown/Terms-and-Conditions.pdf');
$merger->merge();
$document = $merger->getDocument();
/* define a handler with an owner and a user password, allow print and
* copy (for the user - need to be respected by the viewer application)
* and do not encrypt metadata.
*/
$secHandler = Aes256::create(
$document,
'the-owner-password',
'the-user-password',
SecHandler::PERM_PRINT | SecHandler::PERM_COPY,
false
);
// attach the handler to the document instance
$document->setSecHandler($secHandler);
$document->setWriter(new HttpWriter('encrypted.pdf', true));
$document->save()->finish();