SetaPDF Demos

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Encrypt with Password

This demo applies a standard security handler (user and owner password) to an existing PDF document.

The user password is "user" and the owner password is "owner".

It is up to the reader application to whether respect the defined permissions or not (not all viewer applications respect these flags).

PHP
<?php

use setasign\SetaPDF2\Core\Document;
use setasign\SetaPDF2\Core\SecHandler\SecHandler;
use setasign\SetaPDF2\Core\SecHandler\Standard\Aes256;
use setasign\SetaPDF2\Core\Writer\HttpWriter;

// load and register the autoload function
require_once '../../../../../bootstrap.php';

// prepare some files
$files = [
    $assetsDirectory . '/pdfs/Brand-Guide.pdf',
    $assetsDirectory . '/pdfs/camtown/Terms-and-Conditions.pdf',
    $assetsDirectory . '/pdfs/etown/Laboratory-Report.pdf'
];

$path = displayFiles($files, false);

// create a writer instance
$writer = new HttpWriter('encrypted.pdf');

// create a document instance
$document = Document::loadByFilename($path, $writer);

// create a security handler instance
$secHandler = Aes256::create(
    $document,
    'owner',
    'user',
    // allow the user to print the document in high quality
    SecHandler::PERM_PRINT | SecHandler::PERM_DIGITAL_PRINT
);

// pass it to the document instance
$document->setSecHandler($secHandler);

// save and finish
$document->save()->finish();