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137 lines
5.2 KiB
PHP
Executable File
137 lines
5.2 KiB
PHP
Executable File
<?php
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//============================================================+
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// File name : example_016.php
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// Begin : 2008-03-04
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// Last Update : 2010-08-08
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//
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// Description : Example 016 for TCPDF class
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// Document Encryption / Security
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//
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// Author: Nicola Asuni
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//
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// (c) Copyright:
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// Nicola Asuni
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// Tecnick.com s.r.l.
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// Via Della Pace, 11
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// 09044 Quartucciu (CA)
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// ITALY
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// www.tecnick.com
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// info@tecnick.com
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//============================================================+
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/**
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* Creates an example PDF TEST document using TCPDF
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* @package com.tecnick.tcpdf
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* @abstract TCPDF - Example: Document Encryption / Security
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* @author Nicola Asuni
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* @copyright 2004-2010 Nicola Asuni - Tecnick.com S.r.l (www.tecnick.com) Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com
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* @link http://tcpdf.org
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* @license http://www.gnu.org/copyleft/lesser.html LGPL
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* @since 2008-03-04
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*/
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require_once('../config/lang/eng.php');
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require_once('../tcpdf.php');
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// create new PDF document
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$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
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// *** Set PDF protection (encryption) *********************
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/*
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The permission array is composed of values taken from the following ones (specify the ones you want to block):
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- print : Print the document;
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- modify : Modify the contents of the document by operations other than those controlled by 'fill-forms', 'extract' and 'assemble';
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- copy : Copy or otherwise extract text and graphics from the document;
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- annot-forms : Add or modify text annotations, fill in interactive form fields, and, if 'modify' is also set, create or modify interactive form fields (including signature fields);
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- fill-forms : Fill in existing interactive form fields (including signature fields), even if 'annot-forms' is not specified;
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- extract : Extract text and graphics (in support of accessibility to users with disabilities or for other purposes);
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- assemble : Assemble the document (insert, rotate, or delete pages and create bookmarks or thumbnail images), even if 'modify' is not set;
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- print-high : Print the document to a representation from which a faithful digital copy of the PDF content could be generated. When this is not set, printing is limited to a low-level representation of the appearance, possibly of degraded quality.
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- owner : (inverted logic - only for public-key) when set permits change of encryption and enables all other permissions.
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If you don't set any password, the document will open as usual.
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If you set a user password, the PDF viewer will ask for it before displaying the document.
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The master (owner) password, if different from the user one, can be used to get full access.
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Possible encryption modes are:
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- 0 = RSA 40 bit
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- 1 = RSA 128 bit
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- 2 = AES 128 bit
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NOTES:
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- To create self-signed signature: openssl req -x509 -nodes -days 365000 -newkey rsa:1024 -keyout tcpdf.crt -out tcpdf.crt
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- To export crt to p12: openssl pkcs12 -export -in tcpdf.crt -out tcpdf.p12
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- To convert pfx certificate to pem: openssl pkcs12 -in tcpdf.pfx -out tcpdf.crt -nodes
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*/
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$pdf->SetProtection($permissions=array('print', 'copy'), $user_pass='', $owner_pass=null, $mode=0, $pubkeys=null);
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// Example with public-key
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// To open the document you need to install the private key (tcpdf.p12) on the Acrobat Reader. The password is: 1234
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//$pdf->SetProtection($permissions=array('print', 'copy'), $user_pass='', $owner_pass=null, $mode=1, $pubkeys=array(array('c' => 'file://../tcpdf.crt', 'p' => array('print'))));
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// *********************************************************
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// set document information
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$pdf->SetCreator(PDF_CREATOR);
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$pdf->SetAuthor('Nicola Asuni');
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$pdf->SetTitle('TCPDF Example 016');
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$pdf->SetSubject('TCPDF Tutorial');
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$pdf->SetKeywords('TCPDF, PDF, example, test, guide');
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// set default header data
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$pdf->SetHeaderData(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, PDF_HEADER_TITLE.' 016', PDF_HEADER_STRING);
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// set header and footer fonts
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$pdf->setHeaderFont(Array('helvetica', '', PDF_FONT_SIZE_MAIN));
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$pdf->setFooterFont(Array('helvetica', '', PDF_FONT_SIZE_DATA));
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// set default monospaced font
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$pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);
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//set margins
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$pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
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$pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
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$pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
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//set auto page breaks
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$pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
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//set image scale factor
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$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
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//set some language-dependent strings
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$pdf->setLanguageArray($l);
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// ---------------------------------------------------------
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// set font
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$pdf->SetFont('times', '', 16);
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// add a page
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$pdf->AddPage();
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// set some text to print
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$txt = <<<EOD
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Encryption Example
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Consult the source code documentation for the SetProtection() method.
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EOD;
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// print a block of text using Write()
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$pdf->Write(0, $txt, '', 0, 'L', true, 0, false, false, 0);
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// ---------------------------------------------------------
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//Close and output PDF document
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$pdf->Output('example_016.pdf', 'I');
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//============================================================+
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// END OF FILE
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//============================================================+
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