1 | <?php
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2 | /*
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3 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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4 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
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5 | *
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6 | * == BEGIN LICENSE ==
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7 | *
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8 | * Licensed under the terms of any of the following licenses at your
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9 | * choice:
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10 | *
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11 | * - GNU General Public License Version 2 or later (the "GPL")
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12 | * http://www.gnu.org/licenses/gpl.html
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13 | *
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14 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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15 | * http://www.gnu.org/licenses/lgpl.html
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16 | *
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17 | * - Mozilla Public License Version 1.1 or later (the "MPL")
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18 | * http://www.mozilla.org/MPL/MPL-1.1.html
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19 | *
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20 | * == END LICENSE ==
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21 | *
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22 | * This is the File Manager Connector for PHP.
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23 | */
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24 | function CombinePaths( $sBasePath, $sFolder )
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25 | {
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26 | return RemoveFromEnd( $sBasePath, '/' ) . '/' . RemoveFromStart( $sFolder, '/' ) ;
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27 | }
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28 | function GetResourceTypePath( $resourceType, $sCommand )
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29 | {
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30 | global $Config ;
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31 |
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32 | if ( $sCommand == "QuickUpload")
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33 | return $Config['QuickUploadPath'][$resourceType] ;
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34 | else
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35 | return $Config['FileTypesPath'][$resourceType] ;
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36 | }
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37 |
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38 | function GetResourceTypeDirectory( $resourceType, $sCommand )
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39 | {
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40 | global $Config ;
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41 | if ( $sCommand == "QuickUpload")
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42 | {
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43 | if ( strlen( $Config['QuickUploadAbsolutePath'][$resourceType] ) > 0 )
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44 | return $Config['QuickUploadAbsolutePath'][$resourceType] ;
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45 |
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46 | // Map the "UserFiles" path to a local directory.
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47 | return Server_MapPath( $Config['QuickUploadPath'][$resourceType] ) ;
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48 | }
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49 | else
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50 | {
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51 | if ( strlen( $Config['FileTypesAbsolutePath'][$resourceType] ) > 0 )
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52 | return $Config['FileTypesAbsolutePath'][$resourceType] ;
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53 |
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54 | // Map the "UserFiles" path to a local directory.
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55 | return Server_MapPath( $Config['FileTypesPath'][$resourceType] ) ;
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56 | }
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57 | }
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58 |
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59 | function GetUrlFromPath( $resourceType, $folderPath, $sCommand )
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60 | {
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61 | return CombinePaths( GetResourceTypePath( $resourceType, $sCommand ), $folderPath ) ;
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62 | }
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63 |
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64 | function RemoveExtension( $fileName )
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65 | {
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66 | return substr( $fileName, 0, strrpos( $fileName, '.' ) ) ;
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67 | }
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68 |
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69 | function ServerMapFolder( $resourceType, $folderPath, $sCommand )
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70 | {
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71 | // Get the resource type directory.
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72 | $sResourceTypePath = GetResourceTypeDirectory( $resourceType, $sCommand ) ;
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73 |
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74 | // Ensure that the directory exists.
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75 | $sErrorMsg = CreateServerFolder( $sResourceTypePath ) ;
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76 | if ( $sErrorMsg != '' )
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77 | SendError( 1, "Error creating folder \"{$sResourceTypePath}\" ({$sErrorMsg})" ) ;
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78 |
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79 | // Return the resource type directory combined with the required path.
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80 | return CombinePaths( $sResourceTypePath , $folderPath ) ;
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81 | }
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82 |
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83 | function GetParentFolder( $folderPath )
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84 | {
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85 | $sPattern = "-[/\\\\][^/\\\\]+[/\\\\]?$-" ;
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86 | return preg_replace( $sPattern, '', $folderPath ) ;
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87 | }
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88 |
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89 | function CreateServerFolder( $folderPath, $lastFolder = null )
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90 | {
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91 | global $Config ;
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92 | $sParent = GetParentFolder( $folderPath ) ;
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93 |
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94 | // Ensure the folder path has no double-slashes, or mkdir may fail on certain platforms
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95 | while ( strpos($folderPath, '//') !== false )
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96 | {
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97 | $folderPath = str_replace( '//', '/', $folderPath ) ;
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98 | }
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99 |
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100 | // Check if the parent exists, or create it.
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101 | if ( !empty($sParent) && !file_exists( $sParent ) )
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102 | {
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103 | //prevents agains infinite loop when we can't create root folder
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104 | if ( !is_null( $lastFolder ) && $lastFolder === $sParent) {
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105 | return "Can't create $folderPath directory" ;
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106 | }
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107 |
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108 | $sErrorMsg = CreateServerFolder( $sParent, $folderPath ) ;
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109 | if ( $sErrorMsg != '' )
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110 | return $sErrorMsg ;
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111 | }
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112 |
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113 | if ( !file_exists( $folderPath ) )
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114 | {
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115 | // Turn off all error reporting.
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116 | error_reporting( 0 ) ;
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117 |
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118 | $php_errormsg = '' ;
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119 | // Enable error tracking to catch the error.
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120 | ini_set( 'track_errors', '1' ) ;
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121 |
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122 | if ( isset( $Config['ChmodOnFolderCreate'] ) && !$Config['ChmodOnFolderCreate'] )
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123 | {
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124 | mkdir( $folderPath ) ;
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125 | }
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126 | else
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127 | {
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128 | $permissions = 0777 ;
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129 | if ( isset( $Config['ChmodOnFolderCreate'] ) )
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130 | {
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131 | $permissions = $Config['ChmodOnFolderCreate'] ;
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132 | }
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133 | // To create the folder with 0777 permissions, we need to set umask to zero.
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134 | $oldumask = umask(0) ;
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135 | mkdir( $folderPath, $permissions ) ;
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136 | umask( $oldumask ) ;
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137 | }
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138 |
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139 | $sErrorMsg = $php_errormsg ;
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140 |
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141 | // Restore the configurations.
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142 | ini_restore( 'track_errors' ) ;
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143 | ini_restore( 'error_reporting' ) ;
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144 |
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145 | return $sErrorMsg ;
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146 | }
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147 | else
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148 | return '' ;
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149 | }
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150 |
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151 | function GetRootPath()
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152 | {
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153 | if (!isset($_SERVER)) {
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154 | global $_SERVER;
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155 | }
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156 | $sRealPath = realpath( './' ) ;
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157 | // #2124 ensure that no slash is at the end
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158 | $sRealPath = rtrim($sRealPath,"\\/");
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159 |
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160 | $sSelfPath = $_SERVER['PHP_SELF'] ;
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161 | $sSelfPath = substr( $sSelfPath, 0, strrpos( $sSelfPath, '/' ) ) ;
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162 |
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163 | $sSelfPath = str_replace( '/', DIRECTORY_SEPARATOR, $sSelfPath ) ;
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164 |
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165 | $position = strpos( $sRealPath, $sSelfPath ) ;
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166 |
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167 | // This can check only that this script isn't run from a virtual dir
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168 | // But it avoids the problems that arise if it isn't checked
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169 | if ( $position === false || $position <> strlen( $sRealPath ) - strlen( $sSelfPath ) )
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170 | SendError( 1, 'Sorry, can\'t map "UserFilesPath" to a physical path. You must set the "UserFilesAbsolutePath" value in "editor/filemanager/connectors/php/config.php".' ) ;
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171 |
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172 | return substr( $sRealPath, 0, $position ) ;
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173 | }
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174 |
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175 | // Emulate the asp Server.mapPath function.
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176 | // given an url path return the physical directory that it corresponds to
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177 | function Server_MapPath( $path )
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178 | {
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179 | // This function is available only for Apache
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180 | if ( function_exists( 'apache_lookup_uri' ) )
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181 | {
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182 | $info = apache_lookup_uri( $path ) ;
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183 | return $info->filename . $info->path_info ;
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184 | }
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185 |
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186 | // This isn't correct but for the moment there's no other solution
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187 | // If this script is under a virtual directory or symlink it will detect the problem and stop
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188 | return GetRootPath() . $path ;
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189 | }
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190 |
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191 | function IsAllowedExt( $sExtension, $resourceType )
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192 | {
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193 | global $Config ;
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194 | // Get the allowed and denied extensions arrays.
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195 | $arAllowed = $Config['AllowedExtensions'][$resourceType] ;
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196 | $arDenied = $Config['DeniedExtensions'][$resourceType] ;
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197 |
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198 | if ( count($arAllowed) > 0 && !in_array( $sExtension, $arAllowed ) )
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199 | return false ;
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200 |
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201 | if ( count($arDenied) > 0 && in_array( $sExtension, $arDenied ) )
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202 | return false ;
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203 |
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204 | return true ;
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205 | }
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206 |
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207 | function IsAllowedType( $resourceType )
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208 | {
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209 | global $Config ;
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210 | if ( !in_array( $resourceType, $Config['ConfigAllowedTypes'] ) )
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211 | return false ;
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212 |
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213 | return true ;
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214 | }
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215 |
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216 | function IsAllowedCommand( $sCommand )
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217 | {
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218 | global $Config ;
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219 |
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220 | if ( !in_array( $sCommand, $Config['ConfigAllowedCommands'] ) )
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221 | return false ;
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222 |
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223 | return true ;
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224 | }
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225 |
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226 | function GetCurrentFolder()
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227 | {
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228 | if (!isset($_GET)) {
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229 | global $_GET;
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230 | }
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231 | $sCurrentFolder = isset( $_GET['CurrentFolder'] ) ? $_GET['CurrentFolder'] : '/' ;
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232 |
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233 | // Check the current folder syntax (must begin and start with a slash).
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234 | if ( !preg_match( '|/$|', $sCurrentFolder ) )
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235 | $sCurrentFolder .= '/' ;
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236 | if ( strpos( $sCurrentFolder, '/' ) !== 0 )
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237 | $sCurrentFolder = '/' . $sCurrentFolder ;
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238 |
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239 | // Ensure the folder path has no double-slashes
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240 | while ( strpos ($sCurrentFolder, '//') !== false ) {
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241 | $sCurrentFolder = str_replace ('//', '/', $sCurrentFolder) ;
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242 | }
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243 |
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244 | // Check for invalid folder paths (..)
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245 | if ( strpos( $sCurrentFolder, '..' ) || strpos( $sCurrentFolder, "\\" ))
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246 | SendError( 102, '' ) ;
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247 |
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248 | if ( preg_match(",(/\.)|[[:cntrl:]]|(//)|(\\\\)|([\:\*\?\"\<\>\|]),", $sCurrentFolder))
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249 | SendError( 102, '' ) ;
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250 |
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251 | return $sCurrentFolder ;
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252 | }
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253 |
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254 | // Do a cleanup of the folder name to avoid possible problems
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255 | function SanitizeFolderName( $sNewFolderName )
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256 | {
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257 | $sNewFolderName = stripslashes( $sNewFolderName ) ;
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258 |
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259 | // Remove . \ / | : ? * " < >
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260 | $sNewFolderName = preg_replace( '/\\.|\\\\|\\/|\\||\\:|\\?|\\*|"|<|>|[[:cntrl:]]/', '_', $sNewFolderName ) ;
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261 |
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262 | return $sNewFolderName ;
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263 | }
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264 |
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265 | // Do a cleanup of the file name to avoid possible problems
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266 | function SanitizeFileName( $sNewFileName )
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267 | {
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268 | global $Config ;
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269 |
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270 | $sNewFileName = stripslashes( $sNewFileName ) ;
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271 |
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272 | // Replace dots in the name with underscores (only one dot can be there... security issue).
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273 | if ( $Config['ForceSingleExtension'] )
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274 | $sNewFileName = preg_replace( '/\\.(?![^.]*$)/', '_', $sNewFileName ) ;
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275 |
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276 | // Remove \ / | : ? * " < >
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277 | $sNewFileName = preg_replace( '/\\\\|\\/|\\||\\:|\\?|\\*|"|<|>|[[:cntrl:]]/', '_', $sNewFileName ) ;
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278 |
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279 | return $sNewFileName ;
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280 | }
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281 |
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282 | // This is the function that sends the results of the uploading process.
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283 | function SendUploadResults( $errorNumber, $fileUrl = '', $fileName = '', $customMsg = '' )
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284 | {
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285 | // Minified version of the document.domain automatic fix script (#1919).
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286 | // The original script can be found at _dev/domain_fix_template.js
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287 | echo <<<EOF
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288 | <script type="text/javascript">
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289 | (function(){var d=document.domain;while (true){try{var A=window.parent.document.domain;break;}catch(e) {};d=d.replace(/.*?(?:\.|$)/,'');if (d.length==0) break;try{document.domain=d;}catch (e){break;}}})();
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290 | EOF;
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291 |
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292 | if ($errorNumber && $errorNumber != 201) {
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293 | $fileUrl = "";
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294 | $fileName = "";
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295 | }
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296 |
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297 | $rpl = array( '\\' => '\\\\', '"' => '\\"' ) ;
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298 | echo 'window.parent.OnUploadCompleted(' . $errorNumber . ',"' . strtr( $fileUrl, $rpl ) . '","' . strtr( $fileName, $rpl ) . '", "' . strtr( $customMsg, $rpl ) . '") ;' ;
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299 | echo '</script>' ;
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300 | exit ;
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301 | }
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302 |
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303 | ?>
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