[763] | 1 | <?php |
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| 2 | /**************************************************************************\ |
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| 3 | * eGroupWare API - Browser detect functions * |
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| 4 | * This file written by Miles Lott <milosch@groupwhere.org> * |
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| 5 | * Majority of code borrowed from Sourceforge 2.5 * |
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| 6 | * Copyright 1999-2000 (c) The SourceForge Crew - http://sourceforge.net * |
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| 7 | * Browser detection functions for eGroupWare developers * |
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| 8 | * -------------------------------------------------------------------------* |
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| 9 | * This library is part of the eGroupWare API * |
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| 10 | * http://www.egroupware.org/api * |
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| 11 | * ------------------------------------------------------------------------ * |
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| 12 | * This library is free software; you can redistribute it and/or modify it * |
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| 13 | * under the terms of the GNU Lesser General Public License as published by * |
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| 14 | * the Free Software Foundation; either version 2.1 of the License, * |
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| 15 | * or any later version. * |
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| 16 | * This library is distributed in the hope that it will be useful, but * |
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| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * |
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| 19 | * See the GNU Lesser General Public License for more details. * |
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| 20 | * You should have received a copy of the GNU Lesser General Public License * |
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| 21 | * along with this library; if not, write to the Free Software Foundation, * |
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| 22 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
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| 23 | \**************************************************************************/ |
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| 24 | |
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| 25 | |
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| 26 | class browser |
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| 27 | { |
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| 28 | var $BROWSER_AGENT; |
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| 29 | var $BROWSER_VER; |
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| 30 | var $BROWSER_PLATFORM; |
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| 31 | var $br; |
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| 32 | var $p; |
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| 33 | var $data; |
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| 34 | |
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| 35 | function browser() |
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| 36 | { |
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| 37 | $HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT']; |
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| 38 | /* |
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| 39 | Determine browser and version |
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| 40 | */ |
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| 41 | if(ereg('MSIE ([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version)) |
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| 42 | { |
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| 43 | $this->BROWSER_VER = $log_version[1]; |
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| 44 | $this->BROWSER_AGENT = 'IE'; |
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| 45 | } |
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| 46 | elseif(ereg('Opera ([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version) || |
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| 47 | ereg('Opera/([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version)) |
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| 48 | { |
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| 49 | $this->BROWSER_VER = $log_version[1]; |
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| 50 | $this->BROWSER_AGENT = 'OPERA'; |
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| 51 | } |
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| 52 | elseif(eregi('iCab ([0-9].[0-9a-zA-Z]{1,4})',$HTTP_USER_AGENT,$log_version) || |
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| 53 | eregi('iCab/([0-9].[0-9a-zA-Z]{1,4})',$HTTP_USER_AGENT,$log_version)) |
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| 54 | { |
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| 55 | $this->BROWSER_VER = $log_version[1]; |
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| 56 | $this->BROWSER_AGENT = 'iCab'; |
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| 57 | } |
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| 58 | elseif(ereg('Gecko',$HTTP_USER_AGENT,$log_version)) |
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| 59 | { |
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| 60 | $this->BROWSER_VER = $log_version[1]; |
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| 61 | $this->BROWSER_AGENT = 'MOZILLA'; |
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| 62 | } |
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| 63 | elseif(ereg('Konqueror/([0-9].[0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version) || |
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| 64 | ereg('Konqueror/([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version)) |
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| 65 | { |
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| 66 | $this->BROWSER_VER=$log_version[1]; |
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| 67 | $this->BROWSER_AGENT='Konqueror'; |
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| 68 | } |
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| 69 | else |
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| 70 | { |
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| 71 | $this->BROWSER_VER=0; |
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| 72 | $this->BROWSER_AGENT='OTHER'; |
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| 73 | } |
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| 74 | |
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| 75 | /* |
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| 76 | Determine platform |
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| 77 | */ |
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| 78 | if(strstr($HTTP_USER_AGENT,'Win')) |
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| 79 | { |
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| 80 | $this->BROWSER_PLATFORM='Win'; |
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| 81 | } |
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| 82 | elseif(strstr($HTTP_USER_AGENT,'Mac')) |
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| 83 | { |
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| 84 | $this->BROWSER_PLATFORM='Mac'; |
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| 85 | } |
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| 86 | elseif(strstr($HTTP_USER_AGENT,'Linux')) |
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| 87 | { |
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| 88 | $this->BROWSER_PLATFORM='Linux'; |
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| 89 | } |
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| 90 | elseif(strstr($HTTP_USER_AGENT,'Unix')) |
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| 91 | { |
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| 92 | $this->BROWSER_PLATFORM='Unix'; |
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| 93 | } |
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| 94 | elseif(strstr($HTTP_USER_AGENT,'Beos')) |
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| 95 | { |
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| 96 | $this->BROWSER_PLATFORM='Beos'; |
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| 97 | } |
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| 98 | else |
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| 99 | { |
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| 100 | $this->BROWSER_PLATFORM='Other'; |
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| 101 | } |
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| 102 | |
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| 103 | /* |
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| 104 | echo "\n\nAgent: $HTTP_USER_AGENT"; |
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| 105 | echo "\nIE: ".browser_is_ie(); |
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| 106 | echo "\nMac: ".browser_is_mac(); |
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| 107 | echo "\nWindows: ".browser_is_windows(); |
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| 108 | echo "\nPlatform: ".browser_get_platform(); |
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| 109 | echo "\nVersion: ".browser_get_version(); |
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| 110 | echo "\nAgent: ".browser_get_agent(); |
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| 111 | */ |
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| 112 | |
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| 113 | // The br and p functions are supposed to return the correct |
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| 114 | // value for tags that do not need to be closed. This is |
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| 115 | // per the xhmtl spec, so we need to fix this to include |
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| 116 | // all compliant browsers we know of. |
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| 117 | if($this->BROWSER_AGENT == 'IE') |
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| 118 | { |
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| 119 | $this->br = '<br/>'; |
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| 120 | $this->p = '<p/>'; |
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| 121 | } |
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| 122 | else |
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| 123 | { |
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| 124 | $this->br = '<br>'; |
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| 125 | $this->p = '<p>'; |
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| 126 | } |
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| 127 | } |
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| 128 | |
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| 129 | function return_array() |
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| 130 | { |
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| 131 | $this->data = array( |
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| 132 | 'agent' => $this->get_agent(), |
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| 133 | 'version' => $this->get_version(), |
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| 134 | 'platform' => $this->get_platform() |
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| 135 | ); |
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| 136 | |
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| 137 | return $this->data; |
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| 138 | } |
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| 139 | |
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| 140 | function get_agent() |
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| 141 | { |
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| 142 | return $this->BROWSER_AGENT; |
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| 143 | } |
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| 144 | |
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| 145 | function get_version() |
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| 146 | { |
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| 147 | return $this->BROWSER_VER; |
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| 148 | } |
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| 149 | |
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| 150 | function get_platform() |
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| 151 | { |
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| 152 | return $this->BROWSER_PLATFORM; |
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| 153 | } |
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| 154 | |
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| 155 | function is_linux() |
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| 156 | { |
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| 157 | if($this->get_platform()=='Linux') |
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| 158 | { |
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| 159 | return true; |
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| 160 | } |
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| 161 | else |
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| 162 | { |
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| 163 | return false; |
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| 164 | } |
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| 165 | } |
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| 166 | |
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| 167 | function is_unix() |
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| 168 | { |
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| 169 | if($this->get_platform()=='Unix') |
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| 170 | { |
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| 171 | return true; |
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| 172 | } |
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| 173 | else |
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| 174 | { |
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| 175 | return false; |
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| 176 | } |
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| 177 | } |
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| 178 | |
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| 179 | function is_beos() |
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| 180 | { |
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| 181 | if($this->get_platform()=='Beos') |
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| 182 | { |
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| 183 | return true; |
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| 184 | } |
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| 185 | else |
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| 186 | { |
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| 187 | return false; |
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| 188 | } |
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| 189 | } |
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| 190 | |
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| 191 | function is_mac() |
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| 192 | { |
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| 193 | if($this->get_platform()=='Mac') |
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| 194 | { |
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| 195 | return true; |
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| 196 | } |
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| 197 | else |
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| 198 | { |
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| 199 | return false; |
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| 200 | } |
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| 201 | } |
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| 202 | |
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| 203 | function is_windows() |
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| 204 | { |
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| 205 | if($this->get_platform()=='Win') |
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| 206 | { |
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| 207 | return true; |
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| 208 | } |
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| 209 | else |
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| 210 | { |
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| 211 | return false; |
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| 212 | } |
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| 213 | } |
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| 214 | |
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| 215 | function is_ie() |
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| 216 | { |
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| 217 | if($this->get_agent()=='IE') |
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| 218 | { |
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| 219 | return true; |
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| 220 | } |
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| 221 | else |
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| 222 | { |
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| 223 | return false; |
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| 224 | } |
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| 225 | } |
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| 226 | |
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| 227 | function is_netscape() |
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| 228 | { |
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| 229 | if($this->get_agent()=='MOZILLA') |
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| 230 | { |
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| 231 | return true; |
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| 232 | } |
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| 233 | else |
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| 234 | { |
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| 235 | return false; |
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| 236 | } |
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| 237 | } |
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| 238 | |
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| 239 | function is_opera() |
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| 240 | { |
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| 241 | if($this->get_agent()=='OPERA') |
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| 242 | { |
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| 243 | return true; |
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| 244 | } |
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| 245 | else |
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| 246 | { |
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| 247 | return false; |
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| 248 | } |
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| 249 | } |
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| 250 | |
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| 251 | // Echo content headers for file downloads |
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| 252 | function content_header($fn='',$mime='',$length='',$nocache=True) |
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| 253 | { |
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| 254 | // if no mime-type is given or it's the default binary-type, guess it from the extension |
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| 255 | if(empty($mime) || $mime == 'application/octet-stream') |
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| 256 | { |
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| 257 | $mime_magic = createObject('phpgwapi.mime_magic'); |
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| 258 | $mime = $mime_magic->filename2mime($fn); |
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| 259 | } |
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| 260 | if($fn) |
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| 261 | { |
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| 262 | if($this->get_agent() == 'IE') // && browser_get_version() == "5.5") |
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| 263 | { |
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| 264 | $attachment = ''; |
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| 265 | } |
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| 266 | else |
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| 267 | { |
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| 268 | $attachment = ' attachment;'; |
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| 269 | } |
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| 270 | |
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| 271 | // Show this for all |
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| 272 | header('Content-disposition:'.$attachment.' filename="'.$fn.'"'); |
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| 273 | header('Content-type: '.$mime); |
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| 274 | |
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| 275 | if($length) |
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| 276 | { |
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| 277 | header('Content-length: '.$length); |
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| 278 | } |
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| 279 | |
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| 280 | if($nocache) |
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| 281 | { |
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| 282 | header('Pragma: no-cache'); |
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| 283 | header('Pragma: public'); |
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| 284 | header('Expires: 0'); |
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| 285 | header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); |
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| 286 | } |
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| 287 | } |
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| 288 | } |
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| 289 | } |
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| 290 | ?> |
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