Here are the steps on how to add password protection for a PDF file in Laravel:
- Install the
php-pdftk
composer package.
composer require mikehaertl/php-pdftk
- Create a new controller called
PDFController
.
PHP
php artisan make:controller PDFController
- Add the following method to the
PDFController
class:
PHP
public function downloadPDF(Request $request)
{
$pdf_path = 'path/to/pdf/file.pdf';
$password = 'my-password';
$pdf = new Pdf($pdf_path);
$pdf->setPassword($password);
$pdf->saveAs($pdf_path);
return response()->download($pdf_path);
}
- In the route file, add the following route:
PHP
Route::get('/download-pdf', 'PDFController@downloadPDF');
- Now, you can visit the
/download-pdf
route in your browser to download the password-protected PDF file.
Here are some additional details about the steps above:
- The
php-pdftk
composer package provides a PHP library for manipulating PDF files. - The
Pdf
class in themikehaertl/php-pdftk
package can be used to create, modify, and encrypt PDF files. - The
setPassword()
method of thePdf
class can be used to set a password for a PDF file. - The
saveAs()
method of thePdf
class can be used to save a PDF file to a specified location.