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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