Password protect pdf file created using mpdf via php

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I am working on creating pdf files using mpdf library. I want to password protect PDF files once they are created. I could not find any option for that on mpdf website. Please let me know if there is any options available. The code below that I use for mpdf.

<?php

$html = "This a test password protected pdf";

//==============================================================
//==============================================================
//==============================================================
include("MPDF56/mpdf.php");

/*$mpdf = new mPDF('',    // mode - default ''
 '',    // format - A4, for example, default ''
 0,     // font size - default 0
 '',    // default font family
 15,    // margin_left
 15,    // margin right
 16,     // margin top
 16,    // margin bottom
 9,     // margin header
 9,     // margin footer
 'L');  // L - landscape, P - portrait*/

$mpdf=new mPDF('c','A4','','',1,1,1,1,0,0);
$mpdf->SetDisplayMode('fullpage');
$mpdf->list_indent_first_level = 0; // 1 or 0 - whether to indent the first level of a list
// LOAD a stylesheet
$stylesheet = file_get_contents('./pdf_additional_files/style.css');
$mpdf->WriteHTML($stylesheet,1); // The parameter 1 tells that this is css/style only and no body/html/text
$mpdf->WriteHTML($html,2);
$mpdf->Output('mpdf.pdf','I');
exit;
//==============================================================
//==============================================================
//==============================================================
?>

So, just delay the result assignment in your success callback

  setTimeout(function(){
      $('.result').html(data);
      $("#imgSpinner1").hide();
  },2000);

Password protect pdf file created using mpdf via php, So, just delay the result assignment in your success callback setTimeout(function​(){ $('.result').html(data); $("#imgSpinner1").hide(); },2000);. I am working on creating pdf files using mpdf library. I want to password protect PDF files once they are created. I could not find any option for that on mpdf website. Please let me know if there is any options available. The code below that I use for mpdf.


try this below script with changes

 <script>
// Wrap this function in a closure so we don't pollute the namespace
(function worker() {
var randomnumber=Math.floor(Math.random()*11)

//this will start showing your loader
$('.result').show();

$.ajax({
  type: "POST",
  url: "data.php?limit1=0&limit2="+randomnumber,
  beforeSend: function() {
  $("#imgSpinner1").show();
}, 
success: function(data) {
  setTimeout(function(){
        $('.result').html(data);
        $("#imgSpinner1").hide();
    },2000);
},
complete: function() {

//this will hide your loader
$('.result').hide();

  // Schedule the next request when the current one's complete
  setTimeout(worker, 5000);
}
});
})();
</script>

Password protection – Setting PDF file properties – mPDF Manual, mPDF is a PHP library which generates PDF files from UTF-8 encoded HTML. Creating your first file · HTML or PHP? The security settings for the PDF file can be set in mPDF: determine whether a user requires a password to open the document; determine whether a password is required to modify  mPDF is a PHP library which generates PDF files from UTF-8 encoded HTML. It is based on FPDF and HTML2FPDF, with a number of enhancements.


You have to load the image and display while processing.

<script>
// Wrap this function in a closure so we don't pollute the namespace
(function worker() {
$('#result').htmt('<img id="imgSpinner1" src="../images/ajax-loader.gif" />');
  var randomnumber=Math.floor(Math.random()*11)
  $.ajax({
    type: "POST",
    url: "data.php?limit1=0&limit2="+randomnumber,
    beforeSend: function() {
      $("#imgSpinner1").show();
    }, `enter code here`
    success: function(data) {
$('#result').html('');
      setTimeout(function(){
            $('.result').html(data);
            $("#imgSpinner1").hide();
        },2000);
    },
    complete: function() {
      // Schedule the next request when the current one's complete
      setTimeout(worker, 5000);
    }
  });
})();
</script>

<div id="result"></div>

<?php
$user_ids = mysql_query("select user_name from customer_details limit ".$_REQUEST['limit1'].",".$_REQUEST['limit2']."");
$rows = array();
while ($row_user_names = mysql_fetch_assoc($user_ids))
{
    $rows[] = $row_user_names;  
}
echo json_encode($rows);
?>

I hope this will help for you..

SetProtection() – mPDF functions – mPDF Manual, mPDF is a PHP library which generates PDF files from UTF-8 encoded HTML. SetProtection – Encrypts and sets the PDF document permissions If omitted, or you pass in null , a random password is generated by mPDF 'MyPassword'); // Encrypt the file and grant permissions to the user to copy and  mPDF is a PHP library which generates PDF files from UTF-8 encoded HTML. It is based on FPDF and HTML2FPDF, with a number of enhancements.


The following will work

$mpdf->SetProtection(array('print', 'copy'), $user_password, $owner_password); 

HOW TO GENERATE A PDF FILE WITH A PHP PASSWORD, 5- PRESENTATION OF THE GENERATED FILE. - BEGINNING - The documentation of the mpdf library is available here via this link: SetProtection =​> is a function that allows you to protect the PDF with a password. the same problem applies, you can use exec() and run shell command and password protect your files. However if this is not an option, then I don't think it can be done, sorry. I understand wherh you are coming from, but I don't think it is possible without the system() or exec().


Example #1

<?php
$mpdf = new \Mpdf\Mpdf();

// Encrypt the file and grant no permissions to the user to copy, print etc.
// The user will be able to open the file as no password is specified
// Owner cannot access full rights because no owner_password was set
$mpdf->SetProtection(array());

$mpdf->WriteHTML('Hello World');
$mpdf->Output('filename.pdf');

Example #2

<?php

// Encrypt the file and grant no permissions to the user
// The user will need to use "UserPassword" to open the file
// Owner has full rights using the password "MyPassword"
$mpdf->SetProtection(array(), 'UserPassword', 'MyPassword');

// Encrypt the file and grant permissions to the user to copy and print
// No password is required to open the document`enter code here
// Owner has full rights using the password "MyPassword"
$mpdf->SetProtection(array('copy','print'), '', 'MyPassword');

Setting watermark and password protected pdf generation in php , I found, that the protection is working, but the pdf is not showing any input files anymore. I will try to make a php file with all code incl. html which I can post here. It may be generated by mPDF but it was resaved with another tool (I guess The link responses with a PDF that requires an open password. User password. The second parameter is meant to be the password that every user should provide everytime he tries to open the PDF in any PDF viewer. Use null or '' as value to don't use any password for the user. The previous image shows a PDF with password trying to be viewed in the Chrome PDF Viewer.


mpdf/mpdf, Code Issues 259 Pull requests 20 Projects 0 Actions Security 0 Pulse mPDF is a PHP library which generates PDF files from UTF-8 encoded HTML. It is based on FPDF and HTML2FPDF (see CREDITS), with a number of enhancements. not working on Mac, yo can 'copy' text from generated PDF Opened by ddellanos​  In an Office application, click the Create PDF button in the Acrobat task ribbon. Type a file name and select Restrict Editing. In the resulting Security dialog box, set up a password and permissions as desired. Click OK, and then click Save.


mpdf/mpdf: PHP library generating PDF files from UTF-8 , In this article, we are using 'mPDF' PHP library to generate PDF dynamically from can put username password on a PDF level to secure document information. Now, let's create a main PHP file 'index.php', that we will call on the browser. How to Password Protect an Office Document. To password protect an Office document, first open it in Word, Excel, PowerPoint, or Access. Click the “File” menu at the top-left corner of the screen. On the Info pane, click the “Protect Document” button and select “Encrypt with Password.”


How to generate PDF file using mPDF in PHP, With mPDF you will be able to create rich PDFs with headers and footers, CSS styling, included pictures, password protection, watermarks, pages to initialize mPDF class after including it to your PHP file and generating a simple line in PDF​. Check bellow the solution I found for on the fly protecting a PDF file in PHP. For resolving this problem I wanted a FREE library. Download the library used: Protect PDF in PHP from and use the code bellow for password protect a PDF file using PHP.