Changed lots of stuff...
[Packages/TYPO3.CMS.git] / typo3 / sysext / cms / tslib / showpic.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2004 Kasper Skaarhoj (kasper@typo3.com)
6 * All rights reserved
7 *
8 * This script is part of the TYPO3 project. The TYPO3 project is
9 * free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * The GNU General Public License can be found at
15 * http://www.gnu.org/copyleft/gpl.html.
16 * A copy is found in the textfile GPL.txt and important notices to the license
17 * from the author is found in LICENSE.txt distributed with these scripts.
18 *
19 *
20 * This script is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * This copyright notice MUST APPEAR in all copies of the script!
26 ***************************************************************/
27 /**
28 * Shows a picture from uploads/* in enlarged format in a separate window.
29 * Picture file and settings is supplied by GET-parameters: file, width, height, sample, alternativeTempPath, effects, frame, bodyTag, title, wrap, md5
30 *
31 * $Id$
32 * Revised for TYPO3 3.6 June/2003 by Kasper Skaarhoj
33 *
34 * @author Kasper Skaarhoj <kasper@typo3.com>
35 */
36 /**
37 * [CLASS/FUNCTION INDEX of SCRIPT]
38 *
39 *
40 *
41 * 94: class SC_tslib_showpic
42 * 115: function init()
43 * 163: function main()
44 * 211: function printContent()
45 *
46 * TOTAL FUNCTIONS: 3
47 * (This index is automatically created/updated by the extension "extdeveval")
48 *
49 */
50
51
52 // *******************************
53 // Set error reporting
54 // *******************************
55 error_reporting (E_ALL ^ E_NOTICE);
56
57
58 // ***********************
59 // Paths are setup
60 // ***********************
61 define('TYPO3_OS', stristr(PHP_OS,'win')&&!stristr(PHP_OS,'darwin')?'WIN':'');
62 define('TYPO3_MODE','FE');
63 define('PATH_thisScript',str_replace('//','/', str_replace('\\','/', php_sapi_name()=='cgi'||php_sapi_name()=='isapi'||php_sapi_name()=='cgi-fcgi' ? $HTTP_SERVER_VARS['PATH_TRANSLATED']:$HTTP_SERVER_VARS['SCRIPT_FILENAME'])));
64
65 define('PATH_site', dirname(PATH_thisScript).'/');
66 define('PATH_t3lib', PATH_site.'t3lib/');
67 define('PATH_tslib', PATH_site.'tslib/');
68 define('PATH_typo3conf', PATH_site.'typo3conf/');
69 define('TYPO3_mainDir', 'typo3/'); // This is the directory of the backend administration for the sites of this TYPO3 installation.
70
71 require(PATH_t3lib.'class.t3lib_div.php');
72 require(PATH_t3lib.'class.t3lib_extmgm.php');
73
74 // ******************
75 // Including config
76 // ******************
77 require(PATH_t3lib.'config_default.php');
78 if (!defined ('TYPO3_db')) die ('The configuration file was not included.');
79
80 require(PATH_t3lib.'class.t3lib_stdgraphic.php');
81
82
83
84
85
86 /**
87 * Script Class, generating the page output.
88 * Instantiated in the bottom of this script.
89 *
90 * @author Kasper Skaarhoj <kasper@typo3.com>
91 * @package TYPO3
92 * @subpackage tslib
93 */
94 class SC_tslib_showpic {
95 var $content; // Page content accumulated here.
96
97 // Parameters loaded into these internal variables:
98 var $file;
99 var $width;
100 var $height;
101 var $sample;
102 var $alternativeTempPath;
103 var $effects;
104 var $frame;
105 var $bodyTag;
106 var $title;
107 var $wrap;
108 var $md5;
109
110 /**
111 * Init function, setting the input vars in the global space.
112 *
113 * @return void
114 */
115 function init() {
116 // Loading internal vars with the GET/POST parameters from outside:
117 $this->file = t3lib_div::_GP('file');
118 $this->width = t3lib_div::_GP('width');
119 $this->height = t3lib_div::_GP('height');
120 $this->sample = t3lib_div::_GP('sample');
121 $this->alternativeTempPath = t3lib_div::_GP('alternativeTempPath');
122 $this->effects = t3lib_div::_GP('effects');
123 $this->frame = t3lib_div::_GP('frame');
124 $this->bodyTag = t3lib_div::_GP('bodyTag');
125 $this->title = t3lib_div::_GP('title');
126 $this->wrap = t3lib_div::_GP('wrap');
127 $this->md5 = t3lib_div::_GP('md5');
128
129 // ***********************
130 // Check parameters
131 // ***********************
132 // If no file-param is given, we must exit
133 if (!$this->file) {
134 die('Parameter Error: No file given.');
135 }
136
137 // Chech md5-checksum: If this md5-value does not match the one submitted, then we fail... (this is a kind of security that somebody don't just hit the script with a lot of different parameters
138 $md5_value = md5($this->file.'|'.$this->width.'|'.$this->height.'|'.$this->effects.'|'.$GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey'].'|');
139 if ($md5_value!=$this->md5) {
140 die('Parameter Error: Wrong parameters sent.');
141 }
142
143 // ***********************
144 // Check the file. If must be in a directory beneath the dir of this script...
145 // $this->file remains unchanged, because of the code in stdgraphic, but we do check if the file exists within the current path
146 // ***********************
147
148 $test_file=PATH_site.$this->file;
149 if (!t3lib_div::validPathStr($test_file)) {
150 die('Parameter Error: No valid filepath');
151 }
152 if (!@is_file($test_file)) {
153 die('The given file was not found');
154 }
155 }
156
157 /**
158 * Main function which creates the image if needed and outputs the HTML code for the page displaying the image.
159 * Accumulates the content in $this->content
160 *
161 * @return void
162 */
163 function main() {
164
165 // Creating stdGraphic object, initialize it and make image:
166 $img = t3lib_div::makeInstance('t3lib_stdGraphic');
167 $img->mayScaleUp = 0;
168 $img->init();
169 if ($this->sample) {$img->scalecmd = '-sample';}
170 if ($this->alternativeTempPath && t3lib_div::inList($GLOBALS['TYPO3_CONF_VARS']['FE']['allowedTempPaths'],$this->alternativeTempPath)) {
171 $img->tempPath = $this->alternativeTempPath;
172 }
173 if ($GLOBALS['TYPO3_CONF_VARS']['GFX']['enable_typo3temp_db_tracking']) {
174 // Need to connect to database, because this may be used.
175 mysql_pconnect(TYPO3_db_host, TYPO3_db_username, TYPO3_db_password);
176 }
177
178 if (strstr($this->width.$this->height, 'm')) {$max='m';} else {$max='';}
179
180 $this->height = t3lib_div::intInRange($this->height,0,1000);
181 $this->width = t3lib_div::intInRange($this->width,0,1000);
182 if ($this->frame) {$this->frame = intval($this->frame);}
183 $imgInfo = $img->imageMagickConvert($this->file,'web',$this->width.$max,$this->height,$img->IMparams($this->effects),$this->frame,'');
184
185
186 // Create HTML output:
187 $this->content='';
188 $this->content.='
189 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
190
191 <html>
192 <head>
193 <title>'.htmlspecialchars($this->title ? $this->title : "Image").'</title>
194 </head>
195 '.($this->bodyTag ? $this->bodyTag : '<body>');
196
197 if (is_array($imgInfo)) {
198 $wrapParts = explode('|',$this->wrap);
199 $this->content.=trim($wrapParts[0]).$img->imgTag($imgInfo).trim($wrapParts[1]);
200 }
201 $this->content.='
202 </body>
203 </html>';
204 }
205
206 /**
207 * Outputs the content from $this->content
208 *
209 * @return void
210 */
211 function printContent() {
212 echo $this->content;
213 }
214 }
215
216 // Include extension?
217 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['tslib/showpic.php']) {
218 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['tslib/showpic.php']);
219 }
220
221
222
223
224
225
226
227
228
229
230
231
232 // Make instance:
233 $SOBE = t3lib_div::makeInstance('SC_tslib_showpic');
234 $SOBE->init();
235 $SOBE->main();
236 $SOBE->printContent();
237 ?>