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example_016.php

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1	<?php
2	//============================================================+
3	// File name : example_016.php
4	// Begin : 2008-03-04
5	// Last Update : 2013-05-14
6	//
7	// Description : Example 016 for TCPDF class
8	// Document Encryption / Security
9	//
10	// Author: Nicola Asuni
11	//
12	// (c) Copyright:
13	// Nicola Asuni
14	// Tecnick.com LTD
15	// www.tecnick.com
16	// info@tecnick.com
17	//============================================================+
18
19	/**
20	* Creates an example PDF TEST document using TCPDF
21	* @package com.tecnick.tcpdf
22	* @abstract TCPDF - Example: Document Encryption / Security
23	* @author Nicola Asuni
24	* @since 2008-03-04
25	* @group security
26	* @group pdf
27	*/
28
29	// Include the main TCPDF library (search for installation path).
30	require_once('tcpdf_include.php');
31
32	// create new PDF document
33	$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
34
35
36	// * Set PDF protection (encryption) *******************
37
38	/*
39	The permission array is composed of values taken from the following ones (specify the ones you want to block):
40	- print : Print the document;
41	- modify : Modify the contents of the document by operations other than those controlled by 'fill-forms', 'extract' and 'assemble';
42	- copy : Copy or otherwise extract text and graphics from the document;
43	- 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);
44	- fill-forms : Fill in existing interactive form fields (including signature fields), even if 'annot-forms' is not specified;
45	- extract : Extract text and graphics (in support of accessibility to users with disabilities or for other purposes);
46	- assemble : Assemble the document (insert, rotate, or delete pages and create bookmarks or thumbnail images), even if 'modify' is not set;
47	- 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.
48	- owner : (inverted logic - only for public-key) when set permits change of encryption and enables all other permissions.
49
50	If you don't set any password, the document will open as usual.
51	If you set a user password, the PDF viewer will ask for it before displaying the document.
52	The master (owner) password, if different from the user one, can be used to get full document access.
53
54	Possible encryption modes are:
55	0 = RSA 40 bit
56	1 = RSA 128 bit
57	2 = AES 128 bit
58	3 = AES 256 bit
59
60	NOTES:
61	- To create self-signed signature: openssl req -x509 -nodes -days 365000 -newkey rsa:1024 -keyout tcpdf.crt -out tcpdf.crt
62	- To export crt to p12: openssl pkcs12 -export -in tcpdf.crt -out tcpdf.p12
63	- To convert pfx certificate to pem: openssl pkcs12 -in tcpdf.pfx -out tcpdf.crt -nodes
64
65	*/
66
67	$pdf->setProtection(array('print', 'copy'), '', null, 0, null);
68
69	// Example with public-key
70	// To open the document you need to install the private key (tcpdf.p12) on the Acrobat Reader. The password is: 1234
71	//$pdf->setProtection($permissions=array('print', 'copy'), $user_pass='', $owner_pass=null, $mode=1, $pubkeys=array(array('c' => 'file://../config/cert/tcpdf.crt', 'p' => array('print'))));
72
73	// *********************************************************
74
75
76	// set document information
77	$pdf->setCreator(PDF_CREATOR);
78	$pdf->setAuthor('Nicola Asuni');
79	$pdf->setTitle('TCPDF Example 016');
80	$pdf->setSubject('TCPDF Tutorial');
81	$pdf->setKeywords('TCPDF, PDF, example, test, guide');
82
83	// set default header data
84	$pdf->setHeaderData(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, PDF_HEADER_TITLE.' 016', PDF_HEADER_STRING);
85
86	// set header and footer fonts
87	$pdf->setHeaderFont(Array('helvetica', '', PDF_FONT_SIZE_MAIN));
88	$pdf->setFooterFont(Array('helvetica', '', PDF_FONT_SIZE_DATA));
89
90	// set default monospaced font
91	$pdf->setDefaultMonospacedFont(PDF_FONT_MONOSPACED);
92
93	// set margins
94	$pdf->setMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
95	$pdf->setHeaderMargin(PDF_MARGIN_HEADER);
96	$pdf->setFooterMargin(PDF_MARGIN_FOOTER);
97
98	// set auto page breaks
99	$pdf->setAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
100
101	// set image scale factor
102	$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
103
104	// set some language-dependent strings (optional)
105	if (@file_exists(dirname(__FILE__).'/lang/eng.php')) {
106	require_once(dirname(__FILE__).'/lang/eng.php');
107	$pdf->setLanguageArray($l);
108	}
109
110	// ---------------------------------------------------------
111
112	// set font
113	$pdf->setFont('times', '', 16);
114
115	// add a page
116	$pdf->AddPage();
117
118	// set some text to print
119	$txt = <<<EOD
120	Encryption Example
121
122	Consult the source code documentation for the SetProtection() method.
123	EOD;
124
125	// print a block of text using Write()
126	$pdf->Write(0, $txt, '', 0, 'L', true, 0, false, false, 0);
127
128
129	// ---------------------------------------------------------
130
131	//Close and output PDF document
132	$pdf->Output('example_016.pdf', 'D');
133
134	//============================================================+
135	// END OF FILE
136	//============================================================+
137