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 | const PLATFORM_WINDOWS = 'Win'; |
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36 | const PLATFORM_MAC = 'Mac'; |
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37 | const PLATFORM_LINUX = 'Linux'; |
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38 | const PLATFORM_BEOS = 'Beos'; |
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39 | const PLATFORM_IPHONE = 'iPhone'; |
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40 | const PLATFORM_IPOD = 'iPod'; |
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41 | const PLATFORM_IPAD = 'iPad'; |
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42 | const PLATFORM_BLACKBERRY = 'BlackBerry'; |
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43 | const PLATFORM_NOKIA = 'Nokia'; |
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44 | const PLATFORM_ANDROID = 'Android'; |
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45 | const PLATFORM_UNIX = 'Unix'; |
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46 | |
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47 | function browser() |
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48 | { |
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49 | $HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT']; |
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50 | /* |
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51 | Determine browser and version |
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52 | */ |
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53 | if(preg_match('/MSIE ([0-9].[0-9]{1,2})/',$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 | $this->BROWSER_AGENT = 'IE'; |
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57 | } |
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58 | elseif(preg_match('/Opera ([0-9].[0-9]{1,2})/',$HTTP_USER_AGENT,$log_version) || |
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59 | preg_match('/Opera\/([0-9].[0-9]{1,2})/',$HTTP_USER_AGENT,$log_version)) |
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60 | { |
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61 | $this->BROWSER_VER = $log_version[1]; |
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62 | $this->BROWSER_AGENT = 'OPERA'; |
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63 | } |
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64 | elseif(preg_match('/iCab ([0-9].[0-9a-zA-Z]{1,4})/i',$HTTP_USER_AGENT,$log_version) || |
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65 | preg_match('/iCab\/([0-9].[0-9a-zA-Z]{1,4})/i',$HTTP_USER_AGENT,$log_version)) |
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66 | { |
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67 | $this->BROWSER_VER = $log_version[1]; |
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68 | $this->BROWSER_AGENT = 'iCab'; |
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69 | } |
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70 | elseif(preg_match('/Gecko/',$HTTP_USER_AGENT,$log_version)) |
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71 | { |
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72 | if(isset($log_version[1])) |
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73 | $this->BROWSER_VER = $log_version[1]; |
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74 | $this->BROWSER_AGENT = 'MOZILLA'; |
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75 | } |
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76 | elseif(preg_match('/Konqueror\/([0-9].[0-9].[0-9]{1,2})/',$HTTP_USER_AGENT,$log_version) || |
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77 | preg_match('/Konqueror\/([0-9].[0-9]{1,2})/',$HTTP_USER_AGENT,$log_version)) |
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78 | { |
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79 | $this->BROWSER_VER=$log_version[1]; |
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80 | $this->BROWSER_AGENT='Konqueror'; |
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81 | } |
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82 | else |
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83 | { |
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84 | $this->BROWSER_VER=0; |
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85 | $this->BROWSER_AGENT='OTHER'; |
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86 | } |
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87 | |
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88 | /* |
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89 | Determine platform |
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90 | */ |
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91 | if(strstr($HTTP_USER_AGENT,'iPad')) |
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92 | { |
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93 | $this->BROWSER_PLATFORM = self::PLATFORM_IPAD; |
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94 | } |
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95 | elseif(strstr($HTTP_USER_AGENT,'iPod')) |
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96 | { |
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97 | $this->BROWSER_PLATFORM = self::PLATFORM_IPOD; |
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98 | } |
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99 | elseif(strstr($HTTP_USER_AGENT,'iPhone')) |
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100 | { |
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101 | $this->BROWSER_PLATFORM = self::PLATFORM_IPHONE; |
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102 | } |
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103 | elseif(strstr($HTTP_USER_AGENT,'BlackBerry')) |
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104 | { |
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105 | $this->BROWSER_PLATFORM = self::PLATFORM_BLACKBERRY; |
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106 | } |
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107 | elseif(strstr($HTTP_USER_AGENT,'Android')) |
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108 | { |
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109 | $this->BROWSER_PLATFORM = self::PLATFORM_ANDROID; |
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110 | } |
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111 | elseif(strstr($HTTP_USER_AGENT,'Nokia')) |
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112 | { |
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113 | $this->BROWSER_PLATFORM = self::PLATFORM_NOKIA; |
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114 | } |
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115 | elseif(strstr($HTTP_USER_AGENT,'Mac')) |
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116 | { |
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117 | $this->BROWSER_PLATFORM = self::PLATFORM_MAC; |
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118 | } |
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119 | elseif(strstr($HTTP_USER_AGENT,'Win')) |
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120 | { |
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121 | $this->BROWSER_PLATFORM = self::PLATFORM_WINDOWS; |
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122 | } |
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123 | elseif(strstr($HTTP_USER_AGENT,'Linux')) |
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124 | { |
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125 | $this->BROWSER_PLATFORM = self::PLATFORM_LINUX; |
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126 | } |
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127 | elseif(strstr($HTTP_USER_AGENT,'Unix')) |
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128 | { |
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129 | $this->BROWSER_PLATFORM = self::PLATFORM_UNIX; |
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130 | } |
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131 | elseif(strstr($HTTP_USER_AGENT,'Beos')) |
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132 | { |
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133 | $this->BROWSER_PLATFORM = self::PLATFORM_BEOS; |
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134 | } |
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135 | else |
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136 | { |
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137 | $this->BROWSER_PLATFORM='Other'; |
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138 | } |
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139 | |
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140 | /* |
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141 | echo "\n\nAgent: $HTTP_USER_AGENT"; |
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142 | echo "\nIE: ".browser_is_ie(); |
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143 | echo "\nMac: ".browser_is_mac(); |
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144 | echo "\nWindows: ".browser_is_windows(); |
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145 | echo "\nPlatform: ".browser_get_platform(); |
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146 | echo "\nVersion: ".browser_get_version(); |
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147 | echo "\nAgent: ".browser_get_agent(); |
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148 | */ |
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149 | |
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150 | // The br and p functions are supposed to return the correct |
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151 | // value for tags that do not need to be closed. This is |
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152 | // per the xhmtl spec, so we need to fix this to include |
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153 | // all compliant browsers we know of. |
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154 | if($this->BROWSER_AGENT == 'IE') |
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155 | { |
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156 | $this->br = '<br/>'; |
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157 | $this->p = '<p/>'; |
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158 | } |
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159 | else |
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160 | { |
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161 | $this->br = '<br>'; |
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162 | $this->p = '<p>'; |
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163 | } |
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164 | } |
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165 | |
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166 | function return_array() |
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167 | { |
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168 | $this->data = array( |
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169 | 'agent' => $this->get_agent(), |
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170 | 'version' => $this->get_version(), |
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171 | 'platform' => $this->get_platform() |
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172 | ); |
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173 | |
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174 | return $this->data; |
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175 | } |
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176 | |
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177 | function get_agent() |
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178 | { |
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179 | return $this->BROWSER_AGENT; |
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180 | } |
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181 | |
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182 | function get_version() |
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183 | { |
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184 | return $this->BROWSER_VER; |
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185 | } |
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186 | |
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187 | function get_platform() |
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188 | { |
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189 | return $this->BROWSER_PLATFORM; |
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190 | } |
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191 | |
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192 | function is_linux() |
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193 | { |
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194 | return ($this->get_platform()==self::PLATFORM_LINUX); |
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195 | } |
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196 | |
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197 | function is_unix() |
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198 | { |
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199 | return ($this->get_platform()==self::PLATFORM_UNIX); |
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200 | } |
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201 | |
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202 | function isMobile( ) |
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203 | { |
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204 | return $this -> is_ipad( ) |
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205 | || $this -> is_iphone( ) |
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206 | || $this -> is_nokia( ) |
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207 | || $this -> is_ipod( ) |
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208 | || $this -> is_blackberry( ) |
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209 | || $this -> is_android( ); |
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210 | } |
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211 | |
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212 | function is_beos() |
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213 | { |
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214 | return ($this->get_platform()==self::PLATFORM_BEOS); |
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215 | } |
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216 | |
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217 | function is_mac() |
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218 | { |
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219 | return ($this->get_platform()==self::PLATFORM_MAC); |
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220 | } |
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221 | |
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222 | function is_windows() |
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223 | { |
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224 | return ($this->get_platform()==self::PLATFORM_WINDOWS); |
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225 | } |
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226 | |
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227 | function is_ipad() |
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228 | { |
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229 | return ($this->get_platform()==self::PLATFORM_IPAD); |
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230 | } |
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231 | |
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232 | function is_iphone() |
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233 | { |
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234 | return ($this->get_platform()==self::PLATFORM_IPHONE); |
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235 | } |
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236 | |
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237 | function is_nokia() |
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238 | { |
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239 | return ($this->get_platform()==self::PLATFORM_NOKIA); |
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240 | } |
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241 | |
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242 | function is_ipod() |
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243 | { |
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244 | return ($this->get_platform()==self::PLATFORM_IPOD); |
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245 | } |
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246 | |
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247 | function is_blackberry() |
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248 | { |
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249 | return ($this->get_platform()==self::PLATFORM_BLACKBERRY); |
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250 | } |
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251 | |
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252 | function is_android() |
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253 | { |
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254 | return ($this->get_platform()==self::PLATFORM_ANDROID); |
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255 | } |
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256 | |
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257 | function is_ie() |
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258 | { |
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259 | if($this->get_agent()=='IE') |
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260 | { |
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261 | return true; |
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262 | } |
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263 | else |
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264 | { |
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265 | return false; |
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266 | } |
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267 | } |
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268 | |
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269 | function is_netscape() |
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270 | { |
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271 | if($this->get_agent()=='MOZILLA') |
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272 | { |
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273 | return true; |
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274 | } |
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275 | else |
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276 | { |
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277 | return false; |
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278 | } |
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279 | } |
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280 | |
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281 | function is_opera() |
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282 | { |
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283 | if($this->get_agent()=='OPERA') |
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284 | { |
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285 | return true; |
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286 | } |
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287 | else |
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288 | { |
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289 | return false; |
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290 | } |
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291 | } |
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292 | |
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293 | // Echo content headers for file downloads |
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294 | function content_header($fn='',$mime='',$length='',$nocache=True) |
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295 | { |
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296 | // if no mime-type is given or it's the default binary-type, guess it from the extension |
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297 | if(empty($mime) || $mime == 'application/octet-stream') |
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298 | { |
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299 | $mime_magic = createObject('phpgwapi.mime_magic'); |
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300 | $mime = $mime_magic->filename2mime($fn); |
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301 | } |
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302 | if($fn) |
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303 | { |
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304 | if($this->get_agent() == 'IE') // && browser_get_version() == "5.5") |
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305 | { |
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306 | $attachment = ''; |
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307 | } |
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308 | else |
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309 | { |
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310 | $attachment = ' attachment;'; |
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311 | } |
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312 | |
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313 | // Show this for all |
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314 | header('Content-disposition:'.$attachment.' filename="'.$fn.'"'); |
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315 | header('Content-type: '.$mime); |
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316 | |
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317 | if($length) |
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318 | { |
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319 | header('Content-length: '.$length); |
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320 | } |
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321 | |
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322 | if($nocache) |
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323 | { |
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324 | header('Pragma: no-cache'); |
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325 | header('Pragma: public'); |
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326 | header('Expires: 0'); |
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327 | header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); |
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328 | } |
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329 | } |
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330 | } |
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331 | } |
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332 | ?> |
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