1 | <?php |
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2 | /** |
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3 | * Zend Framework |
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4 | * |
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5 | * LICENSE |
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6 | * |
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7 | * This source file is subject to the new BSD license that is bundled |
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8 | * with this package in the file LICENSE.txt. |
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9 | * It is also available through the world-wide-web at this URL: |
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10 | * http://framework.zend.com/license/new-bsd |
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11 | * If you did not receive a copy of the license and are unable to |
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12 | * obtain it through the world-wide-web, please send an email |
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13 | * to license@zend.com so we can send you a copy immediately. |
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14 | * |
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15 | * @category Zend |
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16 | * @package Zend_Mail |
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17 | * @subpackage Storage |
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18 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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19 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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20 | * @version $Id: Maildir.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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21 | */ |
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22 | |
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23 | |
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24 | /** |
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25 | * @see Zend_Mail_Storage_Folder |
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26 | */ |
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27 | require_once 'Zend/Mail/Storage/Folder.php'; |
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28 | |
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29 | /** |
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30 | * @see Zend_Mail_Storage_Folder_Interface |
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31 | */ |
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32 | require_once 'Zend/Mail/Storage/Folder/Interface.php'; |
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33 | |
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34 | /** |
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35 | * @see Zend_Mail_Storage_Maildir |
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36 | */ |
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37 | require_once 'Zend/Mail/Storage/Maildir.php'; |
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38 | |
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39 | |
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40 | /** |
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41 | * @category Zend |
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42 | * @package Zend_Mail |
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43 | * @subpackage Storage |
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44 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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45 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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46 | */ |
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47 | class Zend_Mail_Storage_Folder_Maildir extends Zend_Mail_Storage_Maildir implements Zend_Mail_Storage_Folder_Interface |
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48 | { |
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49 | /** |
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50 | * Zend_Mail_Storage_Folder root folder for folder structure |
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51 | * @var Zend_Mail_Storage_Folder |
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52 | */ |
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53 | protected $_rootFolder; |
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54 | |
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55 | /** |
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56 | * rootdir of folder structure |
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57 | * @var string |
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58 | */ |
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59 | protected $_rootdir; |
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60 | |
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61 | /** |
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62 | * name of current folder |
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63 | * @var string |
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64 | */ |
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65 | protected $_currentFolder; |
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66 | |
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67 | /** |
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68 | * delim char for subfolders |
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69 | * @var string |
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70 | */ |
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71 | protected $_delim; |
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72 | |
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73 | /** |
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74 | * Create instance with parameters |
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75 | * Supported parameters are: |
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76 | * - dirname rootdir of maildir structure |
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77 | * - delim delim char for folder structur, default is '.' |
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78 | * - folder intial selected folder, default is 'INBOX' |
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79 | * |
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80 | * @param $params array mail reader specific parameters |
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81 | * @throws Zend_Mail_Storage_Exception |
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82 | */ |
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83 | public function __construct($params) |
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84 | { |
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85 | if (is_array($params)) { |
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86 | $params = (object)$params; |
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87 | } |
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88 | |
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89 | if (!isset($params->dirname) || !is_dir($params->dirname)) { |
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90 | /** |
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91 | * @see Zend_Mail_Storage_Exception |
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92 | */ |
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93 | require_once 'Zend/Mail/Storage/Exception.php'; |
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94 | throw new Zend_Mail_Storage_Exception('no valid dirname given in params'); |
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95 | } |
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96 | |
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97 | $this->_rootdir = rtrim($params->dirname, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR; |
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98 | |
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99 | $this->_delim = isset($params->delim) ? $params->delim : '.'; |
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100 | |
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101 | $this->_buildFolderTree(); |
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102 | $this->selectFolder(!empty($params->folder) ? $params->folder : 'INBOX'); |
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103 | $this->_has['top'] = true; |
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104 | $this->_has['flags'] = true; |
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105 | } |
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106 | |
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107 | /** |
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108 | * find all subfolders and mbox files for folder structure |
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109 | * |
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110 | * Result is save in Zend_Mail_Storage_Folder instances with the root in $this->_rootFolder. |
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111 | * $parentFolder and $parentGlobalName are only used internally for recursion. |
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112 | * |
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113 | * @return null |
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114 | * @throws Zend_Mail_Storage_Exception |
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115 | */ |
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116 | protected function _buildFolderTree() |
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117 | { |
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118 | $this->_rootFolder = new Zend_Mail_Storage_Folder('/', '/', false); |
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119 | $this->_rootFolder->INBOX = new Zend_Mail_Storage_Folder('INBOX', 'INBOX', true); |
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120 | |
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121 | $dh = @opendir($this->_rootdir); |
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122 | if (!$dh) { |
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123 | /** |
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124 | * @see Zend_Mail_Storage_Exception |
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125 | */ |
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126 | require_once 'Zend/Mail/Storage/Exception.php'; |
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127 | throw new Zend_Mail_Storage_Exception("can't read folders in maildir"); |
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128 | } |
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129 | $dirs = array(); |
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130 | while (($entry = readdir($dh)) !== false) { |
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131 | // maildir++ defines folders must start with . |
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132 | if ($entry[0] != '.' || $entry == '.' || $entry == '..') { |
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133 | continue; |
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134 | } |
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135 | if ($this->_isMaildir($this->_rootdir . $entry)) { |
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136 | $dirs[] = $entry; |
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137 | } |
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138 | } |
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139 | closedir($dh); |
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140 | |
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141 | sort($dirs); |
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142 | $stack = array(null); |
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143 | $folderStack = array(null); |
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144 | $parentFolder = $this->_rootFolder; |
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145 | $parent = '.'; |
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146 | |
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147 | foreach ($dirs as $dir) { |
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148 | do { |
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149 | if (strpos($dir, $parent) === 0) { |
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150 | $local = substr($dir, strlen($parent)); |
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151 | if (strpos($local, $this->_delim) !== false) { |
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152 | /** |
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153 | * @see Zend_Mail_Storage_Exception |
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154 | */ |
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155 | require_once 'Zend/Mail/Storage/Exception.php'; |
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156 | throw new Zend_Mail_Storage_Exception('error while reading maildir'); |
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157 | } |
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158 | array_push($stack, $parent); |
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159 | $parent = $dir . $this->_delim; |
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160 | $folder = new Zend_Mail_Storage_Folder($local, substr($dir, 1), true); |
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161 | $parentFolder->$local = $folder; |
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162 | array_push($folderStack, $parentFolder); |
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163 | $parentFolder = $folder; |
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164 | break; |
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165 | } else if ($stack) { |
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166 | $parent = array_pop($stack); |
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167 | $parentFolder = array_pop($folderStack); |
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168 | } |
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169 | } while ($stack); |
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170 | if (!$stack) { |
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171 | /** |
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172 | * @see Zend_Mail_Storage_Exception |
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173 | */ |
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174 | require_once 'Zend/Mail/Storage/Exception.php'; |
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175 | throw new Zend_Mail_Storage_Exception('error while reading maildir'); |
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176 | } |
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177 | } |
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178 | } |
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179 | |
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180 | /** |
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181 | * get root folder or given folder |
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182 | * |
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183 | * @param string $rootFolder get folder structure for given folder, else root |
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184 | * @return Zend_Mail_Storage_Folder root or wanted folder |
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185 | * @throws Zend_Mail_Storage_Exception |
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186 | */ |
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187 | public function getFolders($rootFolder = null) |
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188 | { |
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189 | if (!$rootFolder || $rootFolder == 'INBOX') { |
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190 | return $this->_rootFolder; |
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191 | } |
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192 | |
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193 | // rootdir is same as INBOX in maildir |
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194 | if (strpos($rootFolder, 'INBOX' . $this->_delim) === 0) { |
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195 | $rootFolder = substr($rootFolder, 6); |
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196 | } |
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197 | $currentFolder = $this->_rootFolder; |
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198 | $subname = trim($rootFolder, $this->_delim); |
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199 | while ($currentFolder) { |
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200 | @list($entry, $subname) = @explode($this->_delim, $subname, 2); |
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201 | $currentFolder = $currentFolder->$entry; |
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202 | if (!$subname) { |
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203 | break; |
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204 | } |
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205 | } |
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206 | |
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207 | if ($currentFolder->getGlobalName() != rtrim($rootFolder, $this->_delim)) { |
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208 | /** |
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209 | * @see Zend_Mail_Storage_Exception |
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210 | */ |
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211 | require_once 'Zend/Mail/Storage/Exception.php'; |
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212 | throw new Zend_Mail_Storage_Exception("folder $rootFolder not found"); |
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213 | } |
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214 | return $currentFolder; |
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215 | } |
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216 | |
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217 | /** |
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218 | * select given folder |
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219 | * |
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220 | * folder must be selectable! |
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221 | * |
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222 | * @param Zend_Mail_Storage_Folder|string $globalName global name of folder or instance for subfolder |
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223 | * @return null |
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224 | * @throws Zend_Mail_Storage_Exception |
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225 | */ |
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226 | public function selectFolder($globalName) |
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227 | { |
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228 | $this->_currentFolder = (string)$globalName; |
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229 | |
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230 | // getting folder from folder tree for validation |
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231 | $folder = $this->getFolders($this->_currentFolder); |
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232 | |
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233 | try { |
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234 | $this->_openMaildir($this->_rootdir . '.' . $folder->getGlobalName()); |
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235 | } catch(Zend_Mail_Storage_Exception $e) { |
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236 | // check what went wrong |
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237 | if (!$folder->isSelectable()) { |
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238 | /** |
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239 | * @see Zend_Mail_Storage_Exception |
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240 | */ |
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241 | require_once 'Zend/Mail/Storage/Exception.php'; |
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242 | throw new Zend_Mail_Storage_Exception("{$this->_currentFolder} is not selectable", 0, $e); |
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243 | } |
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244 | // seems like file has vanished; rebuilding folder tree - but it's still an exception |
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245 | $this->_buildFolderTree($this->_rootdir); |
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246 | /** |
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247 | * @see Zend_Mail_Storage_Exception |
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248 | */ |
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249 | require_once 'Zend/Mail/Storage/Exception.php'; |
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250 | throw new Zend_Mail_Storage_Exception('seems like the maildir has vanished, I\'ve rebuild the ' . |
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251 | 'folder tree, search for an other folder and try again', 0, $e); |
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252 | } |
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253 | } |
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254 | |
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255 | /** |
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256 | * get Zend_Mail_Storage_Folder instance for current folder |
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257 | * |
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258 | * @return Zend_Mail_Storage_Folder instance of current folder |
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259 | * @throws Zend_Mail_Storage_Exception |
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260 | */ |
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261 | public function getCurrentFolder() |
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262 | { |
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263 | return $this->_currentFolder; |
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264 | } |
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265 | } |
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