1 | <?php |
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2 | |
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3 | /*********************************************** |
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4 | * File : utils.php |
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5 | * Project : Z-Push |
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6 | * Descr : |
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7 | * |
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8 | * Created : 03.04.2008 |
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9 | * |
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10 | * Zarafa Deutschland GmbH, www.zarafaserver.de |
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11 | * This file is distributed under GPL v2. |
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12 | * Consult LICENSE file for details |
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13 | ************************************************/ |
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14 | |
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15 | // saves information about folder data for a specific device |
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16 | function _saveFolderData($devid, $folders) { |
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17 | if (!is_array($folders) || empty ($folders)) |
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18 | return false; |
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19 | |
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20 | $unique_folders = array (); |
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21 | |
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22 | foreach ($folders as $folder) { |
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23 | if (!isset($folder->type)) |
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24 | continue; |
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25 | |
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26 | // don't save folder-ids for emails |
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27 | if ($folder->type == SYNC_FOLDER_TYPE_INBOX) |
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28 | continue; |
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29 | |
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30 | // no folder from that type or the default folder |
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31 | if (!array_key_exists($folder->type, $unique_folders) || $folder->parentid == 0) { |
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32 | $unique_folders[$folder->type] = $folder->serverid; |
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33 | } |
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34 | } |
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35 | |
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36 | // Treo does initial sync for calendar and contacts too, so we need to fake |
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37 | // these folders if they are not supported by the backend |
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38 | if (!array_key_exists(SYNC_FOLDER_TYPE_APPOINTMENT, $unique_folders)) |
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39 | $unique_folders[SYNC_FOLDER_TYPE_APPOINTMENT] = SYNC_FOLDER_TYPE_DUMMY; |
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40 | if (!array_key_exists(SYNC_FOLDER_TYPE_CONTACT, $unique_folders)) |
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41 | $unique_folders[SYNC_FOLDER_TYPE_CONTACT] = SYNC_FOLDER_TYPE_DUMMY; |
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42 | |
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43 | if (!file_put_contents(BASE_PATH.STATE_DIR."/compat-$devid", serialize($unique_folders))) { |
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44 | debugLog("_saveFolderData: Data could not be saved!"); |
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45 | } |
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46 | } |
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47 | |
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48 | // returns information about folder data for a specific device |
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49 | function _getFolderID($devid, $class) { |
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50 | $filename = BASE_PATH.STATE_DIR."/compat-$devid"; |
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51 | |
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52 | if (file_exists($filename)) { |
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53 | $arr = unserialize(file_get_contents($filename)); |
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54 | |
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55 | if ($class == "Calendar") |
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56 | return $arr[SYNC_FOLDER_TYPE_APPOINTMENT]; |
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57 | if ($class == "Contacts") |
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58 | return $arr[SYNC_FOLDER_TYPE_CONTACT]; |
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59 | |
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60 | } |
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61 | |
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62 | return false; |
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63 | } |
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64 | |
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65 | /** |
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66 | * Function which converts a hex entryid to a binary entryid. |
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67 | * @param string @data the hexadecimal string |
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68 | */ |
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69 | function hex2bin($data) { |
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70 | return pack("H*", $data); |
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71 | } |
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72 | |
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73 | function utf8_to_windows1252($string, $option = "") |
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74 | { |
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75 | if (function_exists("iconv")){ |
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76 | return @iconv("UTF-8", "Windows-1252" . $option, $string); |
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77 | }else{ |
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78 | return utf8_decode($string); // no euro support here |
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79 | } |
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80 | } |
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81 | |
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82 | function windows1252_to_utf8($string, $option = "") |
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83 | { |
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84 | if (function_exists("iconv")){ |
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85 | return @iconv("Windows-1252", "UTF-8" . $option, $string); |
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86 | }else{ |
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87 | return utf8_encode($string); // no euro support here |
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88 | } |
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89 | } |
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90 | |
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91 | function w2u($string) { return windows1252_to_utf8($string); } |
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92 | function u2w($string) { return utf8_to_windows1252($string); } |
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93 | |
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94 | function w2ui($string) { return windows1252_to_utf8($string, "//TRANSLIT"); } |
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95 | function u2wi($string) { return utf8_to_windows1252($string, "//TRANSLIT"); } |
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96 | |
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97 | /** |
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98 | * Truncate an UTF-8 encoded sting correctly |
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99 | * |
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100 | * If it's not possible to truncate properly, an empty string is returned |
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101 | * |
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102 | * @param string $string - the string |
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103 | * @param string $length - position where string should be cut |
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104 | * @return string truncated string |
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105 | */ |
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106 | function utf8_truncate($string, $length) { |
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107 | if (strlen($string) <= $length) |
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108 | return $string; |
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109 | |
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110 | while($length >= 0) { |
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111 | if ((ord($string[$length]) < 0x80) || (ord($string[$length]) >= 0xC0)) |
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112 | return substr($string, 0, $length); |
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113 | |
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114 | $length--; |
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115 | } |
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116 | return ""; |
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117 | } |
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118 | |
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119 | |
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120 | /** |
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121 | * Build an address string from the components |
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122 | * |
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123 | * @param string $street - the street |
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124 | * @param string $zip - the zip code |
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125 | * @param string $city - the city |
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126 | * @param string $state - the state |
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127 | * @param string $country - the country |
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128 | * @return string the address string or null |
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129 | */ |
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130 | function buildAddressString($street, $zip, $city, $state, $country) { |
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131 | $out = ""; |
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132 | |
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133 | if (isset($country) && $street != "") $out = $country; |
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134 | |
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135 | $zcs = ""; |
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136 | if (isset($zip) && $zip != "") $zcs = $zip; |
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137 | if (isset($city) && $city != "") $zcs .= (($zcs)?" ":"") . $city; |
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138 | if (isset($state) && $state != "") $zcs .= (($zcs)?" ":"") . $state; |
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139 | if ($zcs) $out = $zcs . "\r\n" . $out; |
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140 | |
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141 | if (isset($street) && $street != "") $out = $street . (($out)?"\r\n\r\n". $out: "") ; |
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142 | |
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143 | return ($out)?$out:null; |
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144 | } |
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145 | |
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146 | /** |
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147 | * Checks if the PHP-MAPI extension is available and in a requested version |
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148 | * |
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149 | * @param string $version - the version to be checked ("6.30.10-18495", parts or build number) |
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150 | * @return boolean installed version is superior to the checked strin |
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151 | */ |
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152 | function checkMapiExtVersion($version = "") { |
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153 | // compare build number if requested |
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154 | if (preg_match('/^\d+$/',$version) && strlen > 3) { |
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155 | $vs = preg_split('/-/', phpversion("mapi")); |
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156 | return ($version <= $vs[1]); |
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157 | } |
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158 | |
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159 | if (extension_loaded("mapi")){ |
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160 | if (version_compare(phpversion("mapi"), $version) == -1){ |
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161 | return false; |
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162 | } |
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163 | } |
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164 | else |
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165 | return false; |
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166 | |
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167 | return true; |
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168 | } |
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169 | |
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170 | /** |
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171 | * Parses and returns an ecoded vCal-Uid from an |
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172 | * OL compatible GlobalObjectID |
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173 | * |
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174 | * @param string $olUid - an OL compatible GlobalObjectID |
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175 | * @return string the vCal-Uid if available in the olUid, else the original olUid as HEX |
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176 | */ |
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177 | function getICalUidFromOLUid($olUid){ |
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178 | //check if "vCal-Uid" is somewhere in outlookid case-insensitive |
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179 | $icalUid = stristr($olUid, "vCal-Uid"); |
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180 | if ($icalUid !== false) { |
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181 | //get the length of the ical id - go back 4 position from where "vCal-Uid" was found |
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182 | $begin = unpack("V", substr($olUid, strlen($icalUid) * (-1) - 4, 4)); |
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183 | //remove "vCal-Uid" and packed "1" and use the ical id length |
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184 | return substr($icalUid, 12, ($begin[1] - 13)); |
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185 | } |
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186 | return strtoupper(bin2hex($olUid)); |
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187 | } |
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188 | |
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189 | /** |
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190 | * Checks the given UID if it is an OL compatible GlobalObjectID |
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191 | * If not, the given UID is encoded inside the GlobalObjectID |
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192 | * |
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193 | * @param string $icalUid - an appointment uid as HEX |
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194 | * @return string an OL compatible GlobalObjectID |
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195 | * |
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196 | */ |
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197 | function getOLUidFromICalUid($icalUid) { |
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198 | if (strlen($icalUid) <= 64) { |
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199 | $len = 13 + strlen($icalUid); |
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200 | $OLUid = pack("V", $len); |
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201 | $OLUid .= "vCal-Uid"; |
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202 | $OLUid .= pack("V", 1); |
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203 | $OLUid .= $icalUid; |
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204 | return hex2bin("040000008200E00074C5B7101A82E0080000000000000000000000000000000000000000". bin2hex($OLUid). "00"); |
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205 | } |
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206 | else |
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207 | return hex2bin($icalUid); |
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208 | } |
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209 | |
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210 | /** |
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211 | * Extracts the basedate of the GlobalObjectID and the RecurStartTime |
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212 | * |
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213 | * @param string $goid - OL compatible GlobalObjectID |
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214 | * @param long $recurStartTime - RecurStartTime |
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215 | * @return long basedate |
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216 | * |
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217 | */ |
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218 | function extractBaseDate($goid, $recurStartTime) { |
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219 | $hexbase = substr(bin2hex($goid), 32, 8); |
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220 | $day = hexdec(substr($hexbase, 6, 2)); |
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221 | $month = hexdec(substr($hexbase, 4, 2)); |
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222 | $year = hexdec(substr($hexbase, 0, 4)); |
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223 | |
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224 | if ($day && $month && $year) { |
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225 | $h = $recurStartTime >> 12; |
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226 | $m = ($recurStartTime - $h * 4096) >> 6; |
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227 | $s = $recurStartTime - $h * 4096 - $m * 64; |
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228 | |
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229 | return gmmktime($h, $m, $s, $month, $day, $year); |
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230 | } |
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231 | else |
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232 | return false; |
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233 | } |
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234 | ?> |
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