[795] | 1 | <?php |
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| 2 | /**************************************************************************\ |
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| 3 | * Copyright (C) 2003 Gary White * |
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| 4 | * -------------------------------------------- * |
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| 5 | * This program is free software; you can redistribute it and/or modify it * |
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| 6 | * under the terms of the GNU General Public License as published by the * |
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| 7 | * Free Software Foundation; either version 2 of the License, or (at your * |
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| 8 | * option) any later version. * |
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| 9 | * * |
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| 10 | * This program is distributed in the hope that it will be useful, * |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 13 | * GNU General Public License for more details at: * |
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| 14 | * http://www.gnu.org/copyleft/gpl.html * |
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| 15 | \**************************************************************************/ |
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| 16 | |
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| 17 | /** |
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| 18 | * Interpreta informações enviadas pelo navegador do usuário |
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| 19 | * @author Gary White |
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| 20 | * @author Sidnei Augusto Drovetto Jr. - drovetto@gmail.com (revision) |
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| 21 | * @version 1.0 |
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| 22 | * @package Workflow |
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| 23 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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| 24 | */ |
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| 25 | class BrowserInfo |
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| 26 | { |
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| 27 | /** |
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| 28 | * @var string $name O nome do navegador |
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| 29 | * @access private |
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| 30 | */ |
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| 31 | private $name = "Unknown"; |
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| 32 | |
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| 33 | /** |
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| 34 | * @var string $version A versão do navegador |
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| 35 | * @access private |
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| 36 | */ |
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| 37 | private $version = "Unknown"; |
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| 38 | |
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| 39 | /** |
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| 40 | * @var string $platform O sistema operacional do usuário |
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| 41 | * @access private |
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| 42 | */ |
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| 43 | private $platform = "Unknown"; |
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| 44 | |
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| 45 | /** |
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| 46 | * @var string $userAgent O agente do navegador do usuário |
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| 47 | * @access private |
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| 48 | */ |
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| 49 | private $userAgent = "Not reported"; |
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| 50 | |
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| 51 | /** |
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| 52 | * @var bool Indica se o MSIE é uma versão modificada pela AOL |
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| 53 | * @access private |
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| 54 | */ |
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| 55 | private $AOL = false; |
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| 56 | |
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| 57 | /** |
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| 58 | * Construtor da classe |
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| 59 | * @return object |
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| 60 | * @access public |
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| 61 | */ |
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| 62 | function BrowserInfo() |
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| 63 | { |
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| 64 | $agent = $_SERVER['HTTP_USER_AGENT']; |
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| 65 | |
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| 66 | // initialize properties |
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| 67 | $bd['platform'] = "Unknown"; |
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| 68 | $bd['browser'] = "Unknown"; |
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| 69 | $bd['version'] = "Unknown"; |
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| 70 | $this->userAgent = $agent; |
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| 71 | |
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| 72 | // find operating system |
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| 73 | if (eregi("win", $agent)) |
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| 74 | $bd['platform'] = "Windows"; |
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| 75 | elseif (eregi("mac", $agent)) |
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| 76 | $bd['platform'] = "MacIntosh"; |
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| 77 | elseif (eregi("linux", $agent)) |
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| 78 | $bd['platform'] = "Linux"; |
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| 79 | elseif (eregi("OS/2", $agent)) |
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| 80 | $bd['platform'] = "OS/2"; |
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| 81 | elseif (eregi("BeOS", $agent)) |
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| 82 | $bd['platform'] = "BeOS"; |
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| 83 | |
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| 84 | // test for Opera |
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| 85 | if (eregi("opera",$agent)) |
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| 86 | { |
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| 87 | $val = stristr($agent, "opera"); |
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| 88 | if (eregi("/", $val)) |
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| 89 | { |
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| 90 | $val = explode("/",$val); |
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| 91 | $bd['browser'] = $val[0]; |
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| 92 | $val = explode(" ",$val[1]); |
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| 93 | $bd['version'] = $val[0]; |
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| 94 | } |
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| 95 | else |
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| 96 | { |
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| 97 | $val = explode(" ",stristr($val,"opera")); |
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| 98 | $bd['browser'] = $val[0]; |
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| 99 | $bd['version'] = $val[1]; |
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| 100 | } |
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| 101 | |
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| 102 | // test for WebTV |
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| 103 | } |
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| 104 | elseif (eregi("webtv",$agent)) |
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| 105 | { |
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| 106 | $val = explode("/",stristr($agent,"webtv")); |
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| 107 | $bd['browser'] = $val[0]; |
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| 108 | $bd['version'] = $val[1]; |
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| 109 | |
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| 110 | // test for MS Internet Explorer version 1 |
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| 111 | } |
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| 112 | elseif (eregi("microsoft internet explorer", $agent)) |
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| 113 | { |
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| 114 | $bd['browser'] = "MSIE"; |
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| 115 | $bd['version'] = "1.0"; |
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| 116 | $var = stristr($agent, "/"); |
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| 117 | if (ereg("308|425|426|474|0b1", $var)) |
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| 118 | $bd['version'] = "1.5"; |
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| 119 | |
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| 120 | // test for NetPositive |
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| 121 | } |
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| 122 | elseif (eregi("NetPositive", $agent)) |
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| 123 | { |
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| 124 | $val = explode("/",stristr($agent,"NetPositive")); |
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| 125 | $bd['platform'] = "BeOS"; |
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| 126 | $bd['browser'] = $val[0]; |
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| 127 | $bd['version'] = $val[1]; |
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| 128 | |
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| 129 | // test for MS Internet Explorer |
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| 130 | } |
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| 131 | elseif (eregi("msie",$agent) && !eregi("opera",$agent)) |
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| 132 | { |
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| 133 | $val = explode(" ",stristr($agent,"msie")); |
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| 134 | $bd['browser'] = $val[0]; |
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| 135 | $bd['version'] = $val[1]; |
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| 136 | |
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| 137 | // test for MS Pocket Internet Explorer |
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| 138 | } |
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| 139 | elseif (eregi("mspie",$agent) || eregi('pocket', $agent)) |
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| 140 | { |
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| 141 | $val = explode(" ",stristr($agent,"mspie")); |
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| 142 | $bd['browser'] = "MSPIE"; |
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| 143 | $bd['platform'] = "WindowsCE"; |
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| 144 | if (eregi("mspie", $agent)) |
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| 145 | $bd['version'] = $val[1]; |
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| 146 | else |
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| 147 | { |
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| 148 | $val = explode("/",$agent); |
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| 149 | $bd['version'] = $val[1]; |
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| 150 | } |
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| 151 | |
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| 152 | // test for Galeon |
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| 153 | } |
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| 154 | elseif (eregi("galeon",$agent)) |
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| 155 | { |
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| 156 | $val = explode(" ",stristr($agent,"galeon")); |
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| 157 | $val = explode("/",$val[0]); |
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| 158 | $bd['browser'] = $val[0]; |
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| 159 | $bd['version'] = $val[1]; |
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| 160 | |
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| 161 | // test for Konqueror |
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| 162 | } |
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| 163 | elseif (eregi("Konqueror",$agent)) |
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| 164 | { |
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| 165 | $val = explode(" ",stristr($agent,"Konqueror")); |
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| 166 | $val = explode("/",$val[0]); |
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| 167 | $bd['browser'] = $val[0]; |
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| 168 | $bd['version'] = $val[1]; |
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| 169 | |
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| 170 | // test for iCab |
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| 171 | } |
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| 172 | elseif (eregi("icab",$agent)) |
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| 173 | { |
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| 174 | $val = explode(" ",stristr($agent,"icab")); |
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| 175 | $bd['browser'] = $val[0]; |
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| 176 | $bd['version'] = $val[1]; |
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| 177 | |
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| 178 | // test for OmniWeb |
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| 179 | } |
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| 180 | elseif (eregi("omniweb",$agent)) |
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| 181 | { |
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| 182 | $val = explode("/",stristr($agent,"omniweb")); |
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| 183 | $bd['browser'] = $val[0]; |
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| 184 | $bd['version'] = $val[1]; |
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| 185 | |
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| 186 | // test for Phoenix |
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| 187 | } |
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| 188 | elseif (eregi("Phoenix", $agent)) |
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| 189 | { |
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| 190 | $bd['browser'] = "Phoenix"; |
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| 191 | $val = explode("/", stristr($agent,"Phoenix/")); |
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| 192 | $bd['version'] = $val[1]; |
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| 193 | |
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| 194 | // test for Firebird |
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| 195 | } |
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| 196 | elseif (eregi("firebird", $agent)) |
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| 197 | { |
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| 198 | $bd['browser']="Firebird"; |
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| 199 | $val = stristr($agent, "Firebird"); |
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| 200 | $val = explode("/",$val); |
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| 201 | $bd['version'] = $val[1]; |
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| 202 | |
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| 203 | // test for Firefox |
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| 204 | } |
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| 205 | elseif (eregi("Firefox", $agent)) |
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| 206 | { |
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| 207 | $bd['browser']="Firefox"; |
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| 208 | $val = stristr($agent, "Firefox"); |
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| 209 | $val = explode("/",$val); |
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| 210 | $bd['version'] = $val[1]; |
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| 211 | |
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| 212 | // test for Mozilla Alpha/Beta Versions |
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| 213 | } |
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| 214 | elseif (eregi("mozilla",$agent) && eregi("rv:[0-9].[0-9][a-b]",$agent) && !eregi("netscape",$agent)) |
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| 215 | { |
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| 216 | $bd['browser'] = "Mozilla"; |
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| 217 | $val = explode(" ",stristr($agent,"rv:")); |
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| 218 | eregi("rv:[0-9].[0-9][a-b]",$agent,$val); |
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| 219 | $bd['version'] = str_replace("rv:","",$val[0]); |
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| 220 | |
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| 221 | // test for Mozilla Stable Versions |
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| 222 | } |
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| 223 | elseif (eregi("mozilla",$agent) && eregi("rv:[0-9]\.[0-9]",$agent) && !eregi("netscape",$agent)) |
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| 224 | { |
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| 225 | $bd['browser'] = "Mozilla"; |
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| 226 | $val = explode(" ",stristr($agent,"rv:")); |
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| 227 | eregi("rv:[0-9]\.[0-9]\.[0-9]",$agent,$val); |
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| 228 | $bd['version'] = str_replace("rv:","",$val[0]); |
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| 229 | |
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| 230 | // test for Lynx & Amaya |
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| 231 | } |
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| 232 | elseif (eregi("libwww", $agent)) |
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| 233 | { |
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| 234 | if (eregi("amaya", $agent)) |
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| 235 | { |
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| 236 | $val = explode("/",stristr($agent,"amaya")); |
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| 237 | $bd['browser'] = "Amaya"; |
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| 238 | $val = explode(" ", $val[1]); |
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| 239 | $bd['version'] = $val[0]; |
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| 240 | } |
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| 241 | else |
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| 242 | { |
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| 243 | $val = explode("/",$agent); |
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| 244 | $bd['browser'] = "Lynx"; |
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| 245 | $bd['version'] = $val[1]; |
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| 246 | } |
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| 247 | |
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| 248 | // test for Safari |
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| 249 | } |
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| 250 | elseif (eregi("safari", $agent)) |
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| 251 | { |
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| 252 | $bd['browser'] = "Safari"; |
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| 253 | $bd['version'] = ""; |
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| 254 | |
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| 255 | // remaining two tests are for Netscape |
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| 256 | } |
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| 257 | elseif (eregi("netscape",$agent)) |
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| 258 | { |
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| 259 | $val = explode(" ",stristr($agent,"netscape")); |
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| 260 | $val = explode("/",$val[0]); |
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| 261 | $bd['browser'] = $val[0]; |
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| 262 | $bd['version'] = $val[1]; |
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| 263 | } |
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| 264 | elseif (eregi("mozilla",$agent) && !eregi("rv:[0-9]\.[0-9]\.[0-9]",$agent)) |
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| 265 | { |
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| 266 | $val = explode(" ",stristr($agent,"mozilla")); |
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| 267 | $val = explode("/",$val[0]); |
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| 268 | $bd['browser'] = "Netscape"; |
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| 269 | $bd['version'] = $val[1]; |
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| 270 | } |
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| 271 | |
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| 272 | // clean up extraneous garbage that may be in the name |
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| 273 | $bd['browser'] = ereg_replace("[^a-z,A-Z]", "", $bd['browser']); |
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| 274 | // clean up extraneous garbage that may be in the version |
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| 275 | $bd['version'] = ereg_replace("[^0-9,.,a-z,A-Z]", "", $bd['version']); |
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| 276 | |
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| 277 | // check for AOL |
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| 278 | if (eregi("AOL", $agent)) |
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| 279 | { |
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| 280 | $var = stristr($agent, "AOL"); |
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| 281 | $var = explode(" ", $var); |
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| 282 | $bd['aol'] = ereg_replace("[^0-9,.,a-z,A-Z]", "", $var[1]); |
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| 283 | } |
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| 284 | |
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| 285 | // finally assign our properties |
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| 286 | $this->name = $bd['browser']; |
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| 287 | $this->version = $bd['version']; |
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| 288 | $this->platform = $bd['platform']; |
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| 289 | $this->AOL = $bd['aol']; |
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| 290 | } |
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| 291 | |
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| 292 | /** |
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| 293 | * Checa se a versão do navegador é igual o superior que a requisitada |
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| 294 | * @param string $version A versão requisitada |
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| 295 | * @return bool true se a versão atual é igual ou superior que a requisitada ou false caso contrário |
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| 296 | * @access private |
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| 297 | */ |
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| 298 | private function checkVersion($version) |
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| 299 | { |
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| 300 | /* in case the version is unknown, return false */ |
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| 301 | if ($this->getBrowserVersion() == 'Unknown') |
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| 302 | return false; |
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| 303 | |
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| 304 | $required = explode('.', $version); |
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| 305 | $current = explode('.', $this->getBrowserVersion()); |
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| 306 | for ($i = 0; $i < count($required); $i++) |
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| 307 | { |
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| 308 | $subRequired = (int) $required[$i]; |
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| 309 | $subCurrent = (int) (isset($current[$i]) ? $current[$i] : 0); |
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| 310 | if ($subCurrent < $subRequired) |
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| 311 | return false; |
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| 312 | if ($subCurrent > $subRequired) |
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| 313 | return true; |
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| 314 | } |
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| 315 | return true; |
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| 316 | } |
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| 317 | |
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| 318 | /** |
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| 319 | * Retorna o nome do navegador |
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| 320 | * @return string O nome do navegador |
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| 321 | * @access public |
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| 322 | */ |
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| 323 | public function getBrowserName() |
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| 324 | { |
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| 325 | return $this->name; |
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| 326 | } |
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| 327 | |
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| 328 | /** |
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| 329 | * Retorna a versão do navegador |
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| 330 | * @return string A versão do navegador |
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| 331 | * @access public |
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| 332 | */ |
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| 333 | public function getBrowserVersion() |
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| 334 | { |
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| 335 | return $this->version; |
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| 336 | } |
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| 337 | |
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| 338 | /** |
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| 339 | * Retorna o sistema operacional do usuário |
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| 340 | * @return string O sistema operacional do usuário |
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| 341 | * @access public |
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| 342 | */ |
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| 343 | public function getOperatingSystem() |
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| 344 | { |
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| 345 | return $this->platform; |
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| 346 | } |
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| 347 | |
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| 348 | /** |
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| 349 | * Retorna o agente do navegador do usuário |
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| 350 | * @return string O agente do navegador do usuário |
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| 351 | * @access public |
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| 352 | */ |
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| 353 | public function getUserAgent() |
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| 354 | { |
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| 355 | return $this->userAgent; |
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| 356 | } |
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| 357 | |
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| 358 | /** |
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| 359 | * Checa o tipo e a versão do navegador de acordo com as informações requisitadas |
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| 360 | * @param string $browser O tipo requisitado |
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| 361 | * @param string $version A versão requisitada (opcional) |
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| 362 | * @return bool true se o navegador atual bate com os requisitos ou false caso contrário |
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| 363 | * @access private |
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| 364 | */ |
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| 365 | private function isBrowser($browser, $version = null) |
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| 366 | { |
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| 367 | if (strpos(strtolower($browser), strtolower($this->getBrowserName())) === 0) |
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| 368 | { |
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| 369 | if ($version == null) |
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| 370 | return true; |
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| 371 | else |
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| 372 | if ($this->checkVersion($version)) |
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| 373 | return true; |
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| 374 | } |
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| 375 | return false; |
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| 376 | } |
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| 377 | |
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| 378 | /** |
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| 379 | * Checa se o navegador é o Firefox |
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| 380 | * @param string $version A versão requisitada (opcional) |
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| 381 | * @return bool true se o navegador atual bate com os requisitos ou false caso contrário |
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| 382 | * @access private |
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| 383 | */ |
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| 384 | function isFirefox($version = null) |
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| 385 | { |
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| 386 | return $this->isBrowser('firefox', $version); |
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| 387 | } |
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| 388 | |
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| 389 | /** |
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| 390 | * Checa se o navegador é o Opera |
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| 391 | * @param string $version A versão requisitada (opcional) |
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| 392 | * @param string $version The required version (optional) |
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| 393 | * @return bool true se o navegador atual bate com os requisitos ou false caso contrário |
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| 394 | * @access private |
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| 395 | */ |
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| 396 | function isOpera($version = null) |
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| 397 | { |
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| 398 | return $this->isBrowser('opera', $version); |
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| 399 | } |
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| 400 | |
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| 401 | /** |
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| 402 | * Checa se o navegador é o Internet Explorer |
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| 403 | * @param string $version A versão requisitada (opcional) |
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| 404 | * @return bool true se o navegador atual bate com os requisitos ou false caso contrário |
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| 405 | * @access private |
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| 406 | */ |
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| 407 | function isIE($version = null) |
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| 408 | { |
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| 409 | return $this->isBrowser('msie', $version); |
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| 410 | } |
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| 411 | } |
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| 412 | ?> |
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