libraries/defines.lib.php

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4
   5 /**
   6  * DEFINES VARIABLES & CONSTANTS
   7  * Overview:
   8  *    PMA_VERSION              (string) - phpMyAdmin version string
   9  *    PMA_THEME_VERSION        (int)    - phpMyAdmin theme version integer
  10  *    PMA_THEME_GENERATION     (int)    - phpMyAdmin theme generation integer
  11  *    PMA_PHP_INT_VERSION      (int)    - eg: 30017 instead of 3.0.17 or
  12  *                                        40006 instead of 4.0.6RC3
  13  *    PMA_IS_WINDOWS           (bool)   - mark if phpMyAdmin running on windows
  14  *    PMA_IS_IIS               (bool)   - true is phpMyAdmin is running
  15  *                                        on Microsoft IIS server
  16  *    PMA_IS_GD2               (bool)   - true if GD2 is present
  17  *    PMA_USR_OS               (string) - the plateform (os) of the user
  18  *    PMA_USR_BROWSER_AGENT    (string) - the browser of the user
  19  *    PMA_USR_BROWSER_VER      (double) - the version of this browser
  20  */
  21 // phpMyAdmin release
  22 if (!defined('PMA_VERSION')) {
  23     define('PMA_VERSION', '2.7.0-beta2');
  24 }
  25
  26 if (!defined('PMA_THEME_VERSION')) {
  27     define('PMA_THEME_VERSION', 2);
  28 }
  29
  30 if (!defined('PMA_THEME_GENERATION')) {
  31     define('PMA_THEME_GENERATION', 2);
  32 }
  33
  34 // php version
  35 if (!defined('PMA_PHP_INT_VERSION')) {
  36     if (!preg_match('@([0-9]{1,2}).([0-9]{1,2}).([0-9]{1,2})@', phpversion(), $match)) {
  37         $result = preg_match('@([0-9]{1,2}).([0-9]{1,2})@', phpversion(), $match);
  38     }
  39     if (isset($match) && !empty($match[1])) {
  40         if (!isset($match[2])) {
  41             $match[2] = 0;
  42         }
  43         if (!isset($match[3])) {
  44             $match[3] = 0;
  45         }
  46         define('PMA_PHP_INT_VERSION', (int)sprintf('%d%02d%02d', $match[1], $match[2], $match[3]));
  47         unset($match);
  48     } else {
  49         define('PMA_PHP_INT_VERSION', 0);
  50     }
  51     define('PMA_PHP_STR_VERSION', phpversion());
  52 }
  53
  54 // Whether the os php is running on is windows or not
  55 if (!defined('PMA_IS_WINDOWS')) {
  56     if (defined('PHP_OS') && stristr(PHP_OS, 'win')) {
  57         define('PMA_IS_WINDOWS', 1);
  58     } else {
  59         define('PMA_IS_WINDOWS', 0);
  60     }
  61 }
  62
  63 // Whether the Web server php is running on is IIS
  64 if (!defined('PMA_IS_IIS')) {
  65     if (isset($_SERVER['SERVER_SOFTWARE'])
  66     && stristr($_SERVER['SERVER_SOFTWARE'], 'Microsoft/IIS')) {
  67         define('PMA_IS_IIS', 1);
  68     } else {
  69         define('PMA_IS_IIS', 0);
  70     }
  71 }
  72
  73 function PMA_dl($module) {
  74     if (!isset($GLOBALS['PMA_dl_allowed'])) {
  75         if (!@ini_get('safe_mode') && @ini_get('enable_dl') && @function_exists('dl')) {
  76             ob_start();
  77             phpinfo(INFO_GENERAL); /* Only general info */
  78             $a = strip_tags(ob_get_contents());
  79             ob_end_clean();
  80             /* Get GD version string from phpinfo output */
  81             if (preg_match('@Thread Safety[[:space:]]*enabled@', $a)) {
  82                 if (preg_match('@Server API[[:space:]]*\(CGI\|CLI\)@', $a)) {
  83                     $GLOBALS['PMA_dl_allowed'] = TRUE;
  84                 } else {
  85                     $GLOBALS['PMA_dl_allowed'] = FALSE;
  86                 }
  87             } else {
  88                 $GLOBALS['PMA_dl_allowed'] = TRUE;
  89             }
  90         } else {
  91             $GLOBALS['PMA_dl_allowed'] = FALSE;
  92         }
  93     }
  94     if (PMA_IS_WINDOWS) {
  95         $suffix = '.dll';
  96     } else {
  97         $suffix = '.so';
  98     }
  99     if ($GLOBALS['PMA_dl_allowed']) {
 100         return @dl($module . $suffix);
 101     } else {
 102         return FALSE;
 103     }
 104 }
 105
 106 // Whether GD2 is present
 107 if (!defined('PMA_IS_GD2')) {
 108     if ($cfg['GD2Available'] == 'yes') {
 109         define('PMA_IS_GD2', 1);
 110     } elseif ($cfg['GD2Available'] == 'no') {
 111         define('PMA_IS_GD2', 0);
 112     } else {
 113         if (!@extension_loaded('gd')) {
 114             PMA_dl('gd');
 115         }
 116         if (!@function_exists('imagecreatetruecolor')) {
 117             define('PMA_IS_GD2', 0);
 118         } else {
 119             if (@function_exists('gd_info')) {
 120                 $gd_nfo = gd_info();
 121                 if (strstr($gd_nfo["GD Version"], '2.')) {
 122                     define('PMA_IS_GD2', 1);
 123                 } else {
 124                     define('PMA_IS_GD2', 0);
 125                 }
 126             } else {
 127                 /* We must do hard way... */
 128                 ob_start();
 129                 phpinfo(INFO_MODULES); /* Only modules */
 130                 $a = strip_tags(ob_get_contents());
 131                 ob_end_clean();
 132                 /* Get GD version string from phpinfo output */
 133                 if (preg_match('@GD Version[[:space:]]*\(.*\)@', $a, $v)) {
 134                     if (strstr($v, '2.')) {
 135                         define('PMA_IS_GD2', 1);
 136                     } else {
 137                         define('PMA_IS_GD2', 0);
 138                     }
 139                 } else {
 140                     define('PMA_IS_GD2', 0);
 141                 }
 142             }
 143         }
 144     }
 145 }
 146
 147 // Determines platform (OS), browser and version of the user
 148 // Based on a phpBuilder article:
 149 //   see http://www.phpbuilder.net/columns/tim20000821.php
 150 if (!defined('PMA_USR_OS')) {
 151     if (!empty($_SERVER['HTTP_USER_AGENT'])) {
 152         $HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];
 153     } else if (!isset($HTTP_USER_AGENT)) {
 154         $HTTP_USER_AGENT = '';
 155     }
 156
 157     // 1. Platform
 158     if (strstr($HTTP_USER_AGENT, 'Win')) {
 159         define('PMA_USR_OS', 'Win');
 160     } else if (strstr($HTTP_USER_AGENT, 'Mac')) {
 161         define('PMA_USR_OS', 'Mac');
 162     } else if (strstr($HTTP_USER_AGENT, 'Linux')) {
 163         define('PMA_USR_OS', 'Linux');
 164     } else if (strstr($HTTP_USER_AGENT, 'Unix')) {
 165         define('PMA_USR_OS', 'Unix');
 166     } else if (strstr($HTTP_USER_AGENT, 'OS/2')) {
 167         define('PMA_USR_OS', 'OS/2');
 168     } else {
 169         define('PMA_USR_OS', 'Other');
 170     }
 171
 172     // 2. browser and version
 173     // (must check everything else before Mozilla)
 174
 175     if (preg_match('@Opera(/| )([0-9].[0-9]{1,2})@', $HTTP_USER_AGENT, $log_version)) {
 176         define('PMA_USR_BROWSER_VER', $log_version[2]);
 177         define('PMA_USR_BROWSER_AGENT', 'OPERA');
 178     } else if (preg_match('@MSIE ([0-9].[0-9]{1,2})@', $HTTP_USER_AGENT, $log_version)) {
 179         define('PMA_USR_BROWSER_VER', $log_version[1]);
 180         define('PMA_USR_BROWSER_AGENT', 'IE');
 181     } else if (preg_match('@OmniWeb/([0-9].[0-9]{1,2})@', $HTTP_USER_AGENT, $log_version)) {
 182         define('PMA_USR_BROWSER_VER', $log_version[1]);
 183         define('PMA_USR_BROWSER_AGENT', 'OMNIWEB');
 184     //} else if (ereg('Konqueror/([0-9].[0-9]{1,2})', $HTTP_USER_AGENT, $log_version)) {
 185     // Konqueror 2.2.2 says Konqueror/2.2.2
 186     // Konqueror 3.0.3 says Konqueror/3
 187     } else if (preg_match('@(Konqueror/)(.*)(;)@', $HTTP_USER_AGENT, $log_version)) {
 188         define('PMA_USR_BROWSER_VER', $log_version[2]);
 189         define('PMA_USR_BROWSER_AGENT', 'KONQUEROR');
 190     } else if (preg_match('@Mozilla/([0-9].[0-9]{1,2})@', $HTTP_USER_AGENT, $log_version)
 191                && preg_match('@Safari/([0-9]*)@', $HTTP_USER_AGENT, $log_version2)) {
 192         define('PMA_USR_BROWSER_VER', $log_version[1] . '.' . $log_version2[1]);
 193         define('PMA_USR_BROWSER_AGENT', 'SAFARI');
 194     } else if (preg_match('@Mozilla/([0-9].[0-9]{1,2})@', $HTTP_USER_AGENT, $log_version)) {
 195         define('PMA_USR_BROWSER_VER', $log_version[1]);
 196         define('PMA_USR_BROWSER_AGENT', 'MOZILLA');
 197     } else {
 198         define('PMA_USR_BROWSER_VER', 0);
 199         define('PMA_USR_BROWSER_AGENT', 'OTHER');
 200     }
 201 }
 202
 203 ?>