1 | <?php |
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2 | /* |
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3 | * Copyright 2005 - 2012 Zarafa B.V. |
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4 | * |
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5 | * This program is free software: you can redistribute it and/or modify |
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6 | * it under the terms of the GNU Affero General Public License, version 3, |
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7 | * as published by the Free Software Foundation with the following additional |
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8 | * term according to sec. 7: |
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9 | * |
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10 | * According to sec. 7 of the GNU Affero General Public License, version |
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11 | * 3, the terms of the AGPL are supplemented with the following terms: |
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12 | * |
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13 | * "Zarafa" is a registered trademark of Zarafa B.V. The licensing of |
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14 | * the Program under the AGPL does not imply a trademark license. |
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15 | * Therefore any rights, title and interest in our trademarks remain |
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16 | * entirely with us. |
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17 | * |
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18 | * However, if you propagate an unmodified version of the Program you are |
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19 | * allowed to use the term "Zarafa" to indicate that you distribute the |
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20 | * Program. Furthermore you may use our trademarks where it is necessary |
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21 | * to indicate the intended purpose of a product or service provided you |
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22 | * use it in accordance with honest practices in industrial or commercial |
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23 | * matters. If you want to propagate modified versions of the Program |
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24 | * under the name "Zarafa" or "Zarafa Server", you may only do so if you |
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25 | * have a written permission by Zarafa B.V. (to acquire a permission |
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26 | * please contact Zarafa at trademark@zarafa.com). |
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27 | * |
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28 | * The interactive user interface of the software displays an attribution |
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29 | * notice containing the term "Zarafa" and/or the logo of Zarafa. |
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30 | * Interactive user interfaces of unmodified and modified versions must |
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31 | * display Appropriate Legal Notices according to sec. 5 of the GNU |
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32 | * Affero General Public License, version 3, when you propagate |
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33 | * unmodified or modified versions of the Program. In accordance with |
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34 | * sec. 7 b) of the GNU Affero General Public License, version 3, these |
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35 | * Appropriate Legal Notices must retain the logo of Zarafa or display |
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36 | * the words "Initial Development by Zarafa" if the display of the logo |
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37 | * is not reasonably feasible for technical reasons. The use of the logo |
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38 | * of Zarafa in Legal Notices is allowed for unmodified and modified |
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39 | * versions of the software. |
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40 | * |
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41 | * This program is distributed in the hope that it will be useful, |
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42 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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43 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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44 | * GNU Affero General Public License for more details. |
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45 | * |
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46 | * You should have received a copy of the GNU Affero General Public License |
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47 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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48 | * |
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49 | */ |
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50 | |
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51 | /** |
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52 | * BaseRecurrence |
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53 | * this class is superclass for recurrence for appointments and tasks. This class provides all |
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54 | * basic features of recurrence. |
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55 | */ |
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56 | class BaseRecurrence |
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57 | { |
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58 | /** |
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59 | * @var object Mapi Message Store (may be null if readonly) |
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60 | */ |
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61 | var $store; |
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62 | |
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63 | /** |
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64 | * @var object Mapi Message (may be null if readonly) |
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65 | */ |
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66 | var $message; |
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67 | |
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68 | /** |
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69 | * @var array Message Properties |
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70 | */ |
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71 | var $messageprops; |
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72 | |
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73 | /** |
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74 | * @var array list of property tags |
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75 | */ |
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76 | var $proptags; |
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77 | |
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78 | /** |
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79 | * @var recurrence data of this calendar item |
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80 | */ |
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81 | var $recur; |
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82 | |
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83 | /** |
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84 | * @var Timezone data of this calendar item |
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85 | */ |
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86 | var $tz; |
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87 | |
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88 | /** |
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89 | * Constructor |
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90 | * @param resource $store MAPI Message Store Object |
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91 | * @param resource $message the MAPI (appointment) message |
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92 | * @param array $properties the list of MAPI properties the message has. |
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93 | */ |
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94 | function BaseRecurrence($store, $message) |
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95 | { |
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96 | $this->store = $store; |
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97 | |
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98 | if(is_array($message)) { |
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99 | $this->messageprops = $message; |
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100 | } else { |
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101 | $this->message = $message; |
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102 | $this->messageprops = mapi_getprops($this->message, $this->proptags); |
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103 | } |
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104 | |
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105 | if(isset($this->messageprops[$this->proptags["recurring_data"]])) { |
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106 | // There is a possibility that recurr blob can be more than 255 bytes so get full blob through stream interface |
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107 | if (strlen($this->messageprops[$this->proptags["recurring_data"]]) >= 255) { |
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108 | $this->getFullRecurrenceBlob(); |
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109 | } |
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110 | |
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111 | $this->recur = $this->parseRecurrence($this->messageprops[$this->proptags["recurring_data"]]); |
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112 | } |
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113 | if(isset($this->proptags["timezone_data"]) && isset($this->messageprops[$this->proptags["timezone_data"]])) { |
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114 | $this->tz = $this->parseTimezone($this->messageprops[$this->proptags["timezone_data"]]); |
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115 | } |
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116 | } |
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117 | |
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118 | function getRecurrence() |
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119 | { |
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120 | return $this->recur; |
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121 | } |
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122 | |
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123 | function getFullRecurrenceBlob() |
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124 | { |
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125 | $message = mapi_msgstore_openentry($this->store, $this->messageprops[PR_ENTRYID]); |
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126 | |
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127 | $recurrBlob = ''; |
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128 | $stream = mapi_openproperty($message, $this->proptags["recurring_data"], IID_IStream, 0, 0); |
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129 | $stat = mapi_stream_stat($stream); |
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130 | |
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131 | for ($i = 0; $i < $stat['cb']; $i += 1024) { |
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132 | $recurrBlob .= mapi_stream_read($stream, 1024); |
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133 | } |
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134 | |
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135 | if (!empty($recurrBlob)) { |
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136 | $this->messageprops[$this->proptags["recurring_data"]] = $recurrBlob; |
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137 | } |
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138 | } |
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139 | |
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140 | /** |
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141 | * Function for parsing the Recurrence value of a Calendar item. |
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142 | * |
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143 | * Retrieve it from Named Property 0x8216 as a PT_BINARY and pass the |
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144 | * data to this function |
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145 | * |
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146 | * Returns a structure containing the data: |
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147 | * |
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148 | * type - type of recurrence: day=10, week=11, month=12, year=13 |
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149 | * subtype - type of day recurrence: 2=monthday (ie 21st day of month), 3=nday'th weekdays (ie. 2nd Tuesday and Wednesday) |
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150 | * start - unix timestamp of first occurrence |
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151 | * end - unix timestamp of last occurrence (up to and including), so when start == end -> occurrences = 1 |
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152 | * numoccur - occurrences (may be very large when there is no end data) |
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153 | * |
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154 | * then, for each type: |
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155 | * |
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156 | * Daily: |
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157 | * everyn - every [everyn] days in minutes |
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158 | * regen - regenerating event (like tasks) |
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159 | * |
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160 | * Weekly: |
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161 | * everyn - every [everyn] weeks in weeks |
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162 | * regen - regenerating event (like tasks) |
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163 | * weekdays - bitmask of week days, where each bit is one weekday (weekdays & 1 = Sunday, weekdays & 2 = Monday, etc) |
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164 | * |
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165 | * Monthly: |
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166 | * everyn - every [everyn] months |
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167 | * regen - regenerating event (like tasks) |
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168 | * |
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169 | * subtype 2: |
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170 | * monthday - on day [monthday] of the month |
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171 | * |
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172 | * subtype 3: |
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173 | * weekdays - bitmask of week days, where each bit is one weekday (weekdays & 1 = Sunday, weekdays & 2 = Monday, etc) |
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174 | * nday - on [nday]'th [weekdays] of the month |
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175 | * |
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176 | * Yearly: |
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177 | * everyn - every [everyn] months (12, 24, 36, ...) |
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178 | * month - in month [month] (although the month is encoded in minutes since the startning of the year ........) |
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179 | * regen - regenerating event (like tasks) |
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180 | * |
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181 | * subtype 2: |
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182 | * monthday - on day [monthday] of the month |
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183 | * |
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184 | * subtype 3: |
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185 | * weekdays - bitmask of week days, where each bit is one weekday (weekdays & 1 = Sunday, weekdays & 2 = Monday, etc) |
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186 | * nday - on [nday]'th [weekdays] of the month [month] |
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187 | * @param string $rdata Binary string |
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188 | * @return array recurrence data. |
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189 | */ |
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190 | function parseRecurrence($rdata) |
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191 | { |
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192 | if (strlen($rdata) < 10) { |
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193 | return; |
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194 | } |
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195 | |
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196 | $ret["changed_occurences"] = array(); |
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197 | $ret["deleted_occurences"] = array(); |
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198 | |
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199 | $data = unpack("Vconst1/Crtype/Cconst2/Vrtype2", $rdata); |
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200 | |
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201 | $ret["type"] = $data["rtype"]; |
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202 | $ret["subtype"] = $data["rtype2"]; |
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203 | $rdata = substr($rdata, 10); |
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204 | |
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205 | switch ($data["rtype"]) |
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206 | { |
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207 | case 0x0a: |
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208 | // Daily |
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209 | if (strlen($rdata) < 12) { |
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210 | return $ret; |
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211 | } |
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212 | |
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213 | $data = unpack("Vunknown/Veveryn/Vregen", $rdata); |
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214 | $ret["everyn"] = $data["everyn"]; |
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215 | $ret["regen"] = $data["regen"]; |
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216 | |
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217 | switch($ret["subtype"]) |
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218 | { |
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219 | case 0: |
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220 | $rdata = substr($rdata, 12); |
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221 | break; |
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222 | case 1: |
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223 | $rdata = substr($rdata, 16); |
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224 | break; |
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225 | } |
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226 | |
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227 | break; |
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228 | |
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229 | case 0x0b: |
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230 | // Weekly |
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231 | if (strlen($rdata) < 16) { |
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232 | return $ret; |
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233 | } |
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234 | |
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235 | $data = unpack("Vconst1/Veveryn/Vregen", $rdata); |
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236 | $rdata = substr($rdata, 12); |
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237 | |
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238 | $ret["everyn"] = $data["everyn"]; |
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239 | $ret["regen"] = $data["regen"]; |
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240 | $ret["weekdays"] = 0; |
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241 | |
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242 | if ($data["regen"] == 0) { |
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243 | $data = unpack("Vweekdays", $rdata); |
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244 | $rdata = substr($rdata, 4); |
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245 | |
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246 | $ret["weekdays"] = $data["weekdays"]; |
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247 | } |
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248 | break; |
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249 | |
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250 | case 0x0c: |
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251 | // Monthly |
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252 | if (strlen($rdata) < 16) { |
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253 | return $ret; |
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254 | } |
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255 | |
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256 | $data = unpack("Vconst1/Veveryn/Vregen/Vmonthday", $rdata); |
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257 | |
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258 | $ret["everyn"] = $data["everyn"]; |
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259 | $ret["regen"] = $data["regen"]; |
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260 | |
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261 | if ($ret["subtype"] == 3) { |
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262 | $ret["weekdays"] = $data["monthday"]; |
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263 | } else { |
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264 | $ret["monthday"] = $data["monthday"]; |
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265 | } |
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266 | |
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267 | $rdata = substr($rdata, 16); |
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268 | |
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269 | if ($ret["subtype"] == 3) { |
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270 | $data = unpack("Vnday", $rdata); |
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271 | $ret["nday"] = $data["nday"]; |
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272 | $rdata = substr($rdata, 4); |
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273 | } |
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274 | break; |
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275 | |
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276 | case 0x0d: |
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277 | // Yearly |
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278 | if (strlen($rdata) < 16) |
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279 | return $ret; |
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280 | |
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281 | $data = unpack("Vmonth/Veveryn/Vregen/Vmonthday", $rdata); |
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282 | |
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283 | $ret["month"] = $data["month"]; |
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284 | $ret["everyn"] = $data["everyn"]; |
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285 | $ret["regen"] = $data["regen"]; |
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286 | |
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287 | if ($ret["subtype"] == 3) { |
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288 | $ret["weekdays"] = $data["monthday"]; |
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289 | } else { |
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290 | $ret["monthday"] = $data["monthday"]; |
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291 | } |
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292 | |
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293 | $rdata = substr($rdata, 16); |
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294 | |
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295 | if ($ret["subtype"] == 3) { |
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296 | $data = unpack("Vnday", $rdata); |
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297 | $ret["nday"] = $data["nday"]; |
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298 | $rdata = substr($rdata, 4); |
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299 | } |
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300 | break; |
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301 | } |
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302 | |
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303 | if (strlen($rdata) < 16) { |
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304 | return $ret; |
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305 | } |
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306 | |
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307 | $data = unpack("Cterm/C3const1/Vnumoccur/Vconst2/Vnumexcept", $rdata); |
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308 | |
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309 | $rdata = substr($rdata, 16); |
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310 | |
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311 | $ret["term"] = $data["term"]; |
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312 | $ret["numoccur"] = $data["numoccur"]; |
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313 | $ret["numexcept"] = $data["numexcept"]; |
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314 | |
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315 | // exc_base_dates are *all* the base dates that have been either deleted or modified |
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316 | $exc_base_dates = array(); |
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317 | for($i = 0; $i < $ret["numexcept"]; $i++) |
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318 | { |
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319 | if (strlen($rdata) < 4) { |
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320 | // We shouldn't arrive here, because that implies |
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321 | // numexcept does not match the amount of data |
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322 | // which is available for the exceptions. |
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323 | return $ret; |
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324 | } |
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325 | $data = unpack("Vbasedate", $rdata); |
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326 | $rdata = substr($rdata, 4); |
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327 | $exc_base_dates[] = $this->recurDataToUnixData($data["basedate"]); |
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328 | } |
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329 | |
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330 | if (strlen($rdata) < 4) { |
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331 | return $ret; |
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332 | } |
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333 | |
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334 | $data = unpack("Vnumexceptmod", $rdata); |
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335 | $rdata = substr($rdata, 4); |
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336 | |
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337 | $ret["numexceptmod"] = $data["numexceptmod"]; |
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338 | |
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339 | // exc_changed are the base dates of *modified* occurrences. exactly what is modified |
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340 | // is in the attachments *and* in the data further down this function. |
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341 | $exc_changed = array(); |
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342 | for($i = 0; $i < $ret["numexceptmod"]; $i++) |
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343 | { |
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344 | if (strlen($rdata) < 4) { |
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345 | // We shouldn't arrive here, because that implies |
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346 | // numexceptmod does not match the amount of data |
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347 | // which is available for the exceptions. |
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348 | return $ret; |
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349 | } |
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350 | $data = unpack("Vstartdate", $rdata); |
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351 | $rdata = substr($rdata, 4); |
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352 | $exc_changed[] = $this->recurDataToUnixData($data["startdate"]); |
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353 | } |
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354 | |
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355 | if (strlen($rdata) < 8) { |
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356 | return $ret; |
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357 | } |
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358 | |
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359 | $data = unpack("Vstart/Vend", $rdata); |
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360 | $rdata = substr($rdata, 8); |
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361 | |
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362 | $ret["start"] = $this->recurDataToUnixData($data["start"]); |
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363 | $ret["end"] = $this->recurDataToUnixData($data["end"]); |
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364 | |
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365 | // this is where task recurrence stop |
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366 | if (strlen($rdata) < 16) { |
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367 | return $ret; |
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368 | } |
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369 | |
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370 | $data = unpack("Vreaderversion/Vwriterversion/Vstartmin/Vendmin", $rdata); |
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371 | $rdata = substr($rdata, 16); |
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372 | |
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373 | $ret["startocc"] = $data["startmin"]; |
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374 | $ret["endocc"] = $data["endmin"]; |
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375 | $readerversion = $data["readerversion"]; |
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376 | $writerversion = $data["writerversion"]; |
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377 | |
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378 | $data = unpack("vnumber", $rdata); |
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379 | $rdata = substr($rdata, 2); |
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380 | |
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381 | $nexceptions = $data["number"]; |
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382 | $exc_changed_details = array(); |
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383 | |
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384 | // Parse n modified exceptions |
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385 | for($i=0;$i<$nexceptions;$i++) |
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386 | { |
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387 | $item = array(); |
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388 | |
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389 | // Get exception startdate, enddate and basedate (the date at which the occurrence would have started) |
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390 | $data = unpack("Vstartdate/Venddate/Vbasedate", $rdata); |
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391 | $rdata = substr($rdata, 12); |
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392 | |
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393 | // Convert recurtimestamp to unix timestamp |
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394 | $startdate = $this->recurDataToUnixData($data["startdate"]); |
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395 | $enddate = $this->recurDataToUnixData($data["enddate"]); |
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396 | $basedate = $this->recurDataToUnixData($data["basedate"]); |
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397 | |
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398 | // Set the right properties |
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399 | $item["basedate"] = $this->dayStartOf($basedate); |
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400 | $item["start"] = $startdate; |
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401 | $item["end"] = $enddate; |
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402 | |
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403 | $data = unpack("vbitmask", $rdata); |
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404 | $rdata = substr($rdata, 2); |
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405 | $item["bitmask"] = $data["bitmask"]; // save bitmask for extended exceptions |
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406 | |
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407 | // Bitmask to verify what properties are changed |
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408 | $bitmask = $data["bitmask"]; |
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409 | |
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410 | // ARO_SUBJECT: 0x0001 |
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411 | // Look for field: SubjectLength (2b), SubjectLength2 (2b) and Subject |
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412 | if(($bitmask &(1 << 0))) { |
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413 | $data = unpack("vnull_length/vlength", $rdata); |
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414 | $rdata = substr($rdata, 4); |
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415 | |
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416 | $length = $data["length"]; |
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417 | $item["subject"] = ""; // Normalized subject |
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418 | for($j = 0; $j < $length && strlen($rdata); $j++) |
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419 | { |
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420 | $data = unpack("Cchar", $rdata); |
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421 | $rdata = substr($rdata, 1); |
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422 | |
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423 | $item["subject"] .= chr($data["char"]); |
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424 | } |
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425 | } |
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426 | |
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427 | // ARO_MEETINGTYPE: 0x0002 |
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428 | if(($bitmask &(1 << 1))) { |
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429 | $rdata = substr($rdata, 4); |
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430 | // Attendees modified: no data here (only in attachment) |
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431 | } |
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432 | |
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433 | // ARO_REMINDERDELTA: 0x0004 |
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434 | // Look for field: ReminderDelta (4b) |
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435 | if(($bitmask &(1 << 2))) { |
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436 | $data = unpack("Vremind_before", $rdata); |
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437 | $rdata = substr($rdata, 4); |
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438 | |
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439 | $item["remind_before"] = $data["remind_before"]; |
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440 | } |
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441 | |
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442 | // ARO_REMINDER: 0x0008 |
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443 | // Look field: ReminderSet (4b) |
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444 | if(($bitmask &(1 << 3))) { |
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445 | $data = unpack("Vreminder_set", $rdata); |
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446 | $rdata = substr($rdata, 4); |
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447 | |
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448 | $item["reminder_set"] = $data["reminder_set"]; |
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449 | } |
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450 | |
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451 | // ARO_LOCATION: 0x0010 |
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452 | // Look for fields: LocationLength (2b), LocationLength2 (2b) and Location |
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453 | // Similar to ARO_SUBJECT above. |
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454 | if(($bitmask &(1 << 4))) { |
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455 | $data = unpack("vnull_length/vlength", $rdata); |
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456 | $rdata = substr($rdata, 4); |
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457 | |
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458 | $item["location"] = ""; |
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459 | |
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460 | $length = $data["length"]; |
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461 | $data = substr($rdata, 0, $length); |
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462 | $rdata = substr($rdata, $length); |
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463 | |
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464 | $item["location"] .= $data; |
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465 | } |
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466 | |
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467 | // ARO_BUSYSTATUS: 0x0020 |
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468 | // Look for field: BusyStatus (4b) |
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469 | if(($bitmask &(1 << 5))) { |
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470 | $data = unpack("Vbusystatus", $rdata); |
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471 | $rdata = substr($rdata, 4); |
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472 | |
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473 | $item["busystatus"] = $data["busystatus"]; |
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474 | } |
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475 | |
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476 | // ARO_ATTACHMENT: 0x0040 |
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477 | if(($bitmask &(1 << 6))) { |
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478 | // no data: RESERVED |
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479 | $rdata = substr($rdata, 4); |
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480 | } |
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481 | |
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482 | // ARO_SUBTYPE: 0x0080 |
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483 | // Look for field: SubType (4b). Determines whether it is an allday event. |
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484 | if(($bitmask &(1 << 7))) { |
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485 | $data = unpack("Vallday", $rdata); |
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486 | $rdata = substr($rdata, 4); |
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487 | |
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488 | $item["alldayevent"] = $data["allday"]; |
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489 | } |
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490 | |
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491 | // ARO_APPTCOLOR: 0x0100 |
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492 | // Look for field: AppointmentColor (4b) |
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493 | if(($bitmask &(1 << 8))) { |
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494 | $data = unpack("Vlabel", $rdata); |
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495 | $rdata = substr($rdata, 4); |
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496 | |
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497 | $item["label"] = $data["label"]; |
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498 | } |
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499 | |
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500 | // ARO_EXCEPTIONAL_BODY: 0x0200 |
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501 | if(($bitmask &(1 << 9))) { |
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502 | // Notes or Attachments modified: no data here (only in attachment) |
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503 | } |
---|
504 | |
---|
505 | array_push($exc_changed_details, $item); |
---|
506 | } |
---|
507 | |
---|
508 | /** |
---|
509 | * We now have $exc_changed, $exc_base_dates and $exc_changed_details |
---|
510 | * We will ignore $exc_changed, as this information is available in $exc_changed_details |
---|
511 | * also. If an item is in $exc_base_dates and NOT in $exc_changed_details, then the item |
---|
512 | * has been deleted. |
---|
513 | */ |
---|
514 | |
---|
515 | // Find deleted occurrences |
---|
516 | $deleted_occurences = array(); |
---|
517 | |
---|
518 | foreach($exc_base_dates as $base_date) { |
---|
519 | $found = false; |
---|
520 | |
---|
521 | foreach($exc_changed_details as $details) { |
---|
522 | if($details["basedate"] == $base_date) { |
---|
523 | $found = true; |
---|
524 | break; |
---|
525 | } |
---|
526 | } |
---|
527 | if(! $found) { |
---|
528 | // item was not in exc_changed_details, so it must be deleted |
---|
529 | $deleted_occurences[] = $base_date; |
---|
530 | } |
---|
531 | } |
---|
532 | |
---|
533 | $ret["deleted_occurences"] = $deleted_occurences; |
---|
534 | $ret["changed_occurences"] = $exc_changed_details; |
---|
535 | |
---|
536 | // enough data for normal exception (no extended data) |
---|
537 | if (strlen($rdata) < 16) { |
---|
538 | return $ret; |
---|
539 | } |
---|
540 | |
---|
541 | $data = unpack("Vreservedsize", $rdata); |
---|
542 | $rdata = substr($rdata, 4 + $data["reservedsize"]); |
---|
543 | |
---|
544 | for($i=0;$i<$nexceptions;$i++) |
---|
545 | { |
---|
546 | // subject and location in ucs-2 to utf-8 |
---|
547 | if ($writerversion >= 0x3009) { |
---|
548 | $data = unpack("Vsize/Vvalue", $rdata); // size includes sizeof(value)==4 |
---|
549 | $rdata = substr($rdata, 4 + $data["size"]); |
---|
550 | } |
---|
551 | |
---|
552 | $data = unpack("Vreservedsize", $rdata); |
---|
553 | $rdata = substr($rdata, 4 + $data["reservedsize"]); |
---|
554 | |
---|
555 | // ARO_SUBJECT(0x01) | ARO_LOCATION(0x10) |
---|
556 | if ($exc_changed_details[$i]["bitmask"] & 0x11) { |
---|
557 | $data = unpack("Vstart/Vend/Vorig", $rdata); |
---|
558 | $rdata = substr($rdata, 4 * 3); |
---|
559 | |
---|
560 | $exc_changed_details[$i]["ex_start_datetime"] = $data["start"]; |
---|
561 | $exc_changed_details[$i]["ex_end_datetime"] = $data["end"]; |
---|
562 | $exc_changed_details[$i]["ex_orig_date"] = $data["orig"]; |
---|
563 | } |
---|
564 | |
---|
565 | // ARO_SUBJECT |
---|
566 | if ($exc_changed_details[$i]["bitmask"] & 0x01) { |
---|
567 | // decode ucs2 string to utf-8 |
---|
568 | $data = unpack("vlength", $rdata); |
---|
569 | $rdata = substr($rdata, 2); |
---|
570 | $length = $data["length"]; |
---|
571 | $data = substr($rdata, 0, $length * 2); |
---|
572 | $rdata = substr($rdata, $length * 2); |
---|
573 | $subject = iconv("UCS-2LE", "UTF-8", $data); |
---|
574 | // replace subject with unicode subject |
---|
575 | $exc_changed_details[$i]["subject"] = $subject; |
---|
576 | } |
---|
577 | |
---|
578 | // ARO_LOCATION |
---|
579 | if ($exc_changed_details[$i]["bitmask"] & 0x10) { |
---|
580 | // decode ucs2 string to utf-8 |
---|
581 | $data = unpack("vlength", $rdata); |
---|
582 | $rdata = substr($rdata, 2); |
---|
583 | $length = $data["length"]; |
---|
584 | $data = substr($rdata, 0, $length * 2); |
---|
585 | $rdata = substr($rdata, $length * 2); |
---|
586 | $location = iconv("UCS-2LE", "UTF-8", $data); |
---|
587 | // replace subject with unicode subject |
---|
588 | $exc_changed_details[$i]["location"] = $location; |
---|
589 | } |
---|
590 | |
---|
591 | // ARO_SUBJECT(0x01) | ARO_LOCATION(0x10) |
---|
592 | if ($exc_changed_details[$i]["bitmask"] & 0x11) { |
---|
593 | $data = unpack("Vreservedsize", $rdata); |
---|
594 | $rdata = substr($rdata, 4 + $data["reservedsize"]); |
---|
595 | } |
---|
596 | } |
---|
597 | |
---|
598 | // update with extended data |
---|
599 | $ret["changed_occurences"] = $exc_changed_details; |
---|
600 | |
---|
601 | return $ret; |
---|
602 | } |
---|
603 | |
---|
604 | /** |
---|
605 | * Saves the recurrence data to the recurrence property |
---|
606 | * @param array $properties the recurrence data. |
---|
607 | * @return string binary string |
---|
608 | */ |
---|
609 | function saveRecurrence() |
---|
610 | { |
---|
611 | // Only save if a message was passed |
---|
612 | if(!isset($this->message)) |
---|
613 | return; |
---|
614 | |
---|
615 | // Abort if no recurrence was set |
---|
616 | if(!isset($this->recur["type"]) && !isset($this->recur["subtype"])) { |
---|
617 | return; |
---|
618 | } |
---|
619 | |
---|
620 | if(!isset($this->recur["start"]) && !isset($this->recur["end"])) { |
---|
621 | return; |
---|
622 | } |
---|
623 | |
---|
624 | if(!isset($this->recur["startocc"]) && !isset($this->recur["endocc"])) { |
---|
625 | return; |
---|
626 | } |
---|
627 | |
---|
628 | $rdata = pack("CCCCCCV", 0x04, 0x30, 0x04, 0x30, (int) $this->recur["type"], 0x20, (int) $this->recur["subtype"]); |
---|
629 | |
---|
630 | $weekstart = 1; //monday |
---|
631 | $forwardcount = 0; |
---|
632 | $restocc = 0; |
---|
633 | $dayofweek = (int) gmdate("w", (int) $this->recur["start"]); //0 (for Sunday) through 6 (for Saturday) |
---|
634 | |
---|
635 | $term = (int) $this->recur["type"]; |
---|
636 | switch($term) |
---|
637 | { |
---|
638 | case 0x0A: |
---|
639 | // Daily |
---|
640 | if(!isset($this->recur["everyn"])) { |
---|
641 | return; |
---|
642 | } |
---|
643 | |
---|
644 | if($this->recur["subtype"] == 1) { |
---|
645 | |
---|
646 | // Daily every workday |
---|
647 | $rdata .= pack("VVVV", (6 * 24 * 60), 1, 0, 0x3E); |
---|
648 | } else { |
---|
649 | // Daily every N days (everyN in minutes) |
---|
650 | |
---|
651 | $everyn = ((int) $this->recur["everyn"]) / 1440; |
---|
652 | |
---|
653 | // Calc first occ |
---|
654 | $firstocc = $this->unixDataToRecurData($this->recur["start"]) % ((int) $this->recur["everyn"]); |
---|
655 | |
---|
656 | $rdata .= pack("VVV", $firstocc, (int) $this->recur["everyn"], $this->recur["regen"] ? 1 : 0); |
---|
657 | } |
---|
658 | break; |
---|
659 | case 0x0B: |
---|
660 | // Weekly |
---|
661 | if(!isset($this->recur["everyn"])) { |
---|
662 | return; |
---|
663 | } |
---|
664 | |
---|
665 | if (!$this->recur["regen"] && !isset($this->recur["weekdays"])) { |
---|
666 | return; |
---|
667 | } |
---|
668 | |
---|
669 | // No need to calculate startdate if sliding flag was set. |
---|
670 | if (!$this->recur['regen']) { |
---|
671 | // Calculate start date of recurrence |
---|
672 | |
---|
673 | // Find the first day that matches one of the weekdays selected |
---|
674 | $daycount = 0; |
---|
675 | $dayskip = -1; |
---|
676 | for($j = 0; $j < 7; $j++) { |
---|
677 | if(((int) $this->recur["weekdays"]) & (1<<( ($dayofweek+$j)%7)) ) { |
---|
678 | if($dayskip == -1) |
---|
679 | $dayskip = $j; |
---|
680 | |
---|
681 | $daycount++; |
---|
682 | } |
---|
683 | } |
---|
684 | |
---|
685 | // $dayskip is the number of days to skip from the startdate until the first occurrence |
---|
686 | // $daycount is the number of days per week that an occurrence occurs |
---|
687 | |
---|
688 | $weekskip = 0; |
---|
689 | if(($dayofweek < $weekstart && $dayskip > 0) || ($dayofweek+$dayskip) > 6) |
---|
690 | $weekskip = 1; |
---|
691 | |
---|
692 | // Check if the recurrence ends after a number of occurences, in that case we must calculate the |
---|
693 | // remaining occurences based on the start of the recurrence. |
---|
694 | if (((int) $this->recur["term"]) == 0x22) { |
---|
695 | // $weekskip is the amount of weeks to skip from the startdate before the first occurence |
---|
696 | // $forwardcount is the maximum number of week occurrences we can go ahead after the first occurrence that |
---|
697 | // is still inside the recurrence. We subtract one to make sure that the last week is never forwarded over |
---|
698 | // (eg when numoccur = 2, and daycount = 1) |
---|
699 | $forwardcount = floor( (int) ($this->recur["numoccur"] -1 ) / $daycount); |
---|
700 | |
---|
701 | // $restocc is the number of occurrences left after $forwardcount whole weeks of occurrences, minus one |
---|
702 | // for the occurrence on the first day |
---|
703 | $restocc = ((int) $this->recur["numoccur"]) - ($forwardcount*$daycount) - 1; |
---|
704 | |
---|
705 | // $forwardcount is now the number of weeks we can go forward and still be inside the recurrence |
---|
706 | $forwardcount *= (int) $this->recur["everyn"]; |
---|
707 | } |
---|
708 | |
---|
709 | // The real start is start + dayskip + weekskip-1 (since dayskip will already bring us into the next week) |
---|
710 | $this->recur["start"] = ((int) $this->recur["start"]) + ($dayskip * 24*60*60)+ ($weekskip *(((int) $this->recur["everyn"]) - 1) * 7 * 24*60*60); |
---|
711 | } |
---|
712 | |
---|
713 | // Calc first occ |
---|
714 | $firstocc = ($this->unixDataToRecurData($this->recur["start"]) ) % ( ((int) $this->recur["everyn"]) * 7 * 24 * 60); |
---|
715 | |
---|
716 | $firstocc -= (((int) gmdate("w", (int) $this->recur["start"])) - 1) * 24 * 60; |
---|
717 | |
---|
718 | if ($this->recur["regen"]) |
---|
719 | $rdata .= pack("VVV", $firstocc, (int) $this->recur["everyn"], 1); |
---|
720 | else |
---|
721 | $rdata .= pack("VVVV", $firstocc, (int) $this->recur["everyn"], 0, (int) $this->recur["weekdays"]); |
---|
722 | break; |
---|
723 | case 0x0C: |
---|
724 | // Monthly |
---|
725 | case 0x0D: |
---|
726 | // Yearly |
---|
727 | if(!isset($this->recur["everyn"])) { |
---|
728 | return; |
---|
729 | } |
---|
730 | if($term == 0x0D /*yearly*/ && !isset($this->recur["month"])) { |
---|
731 | return; |
---|
732 | } |
---|
733 | |
---|
734 | if($term == 0x0C /*monthly*/) { |
---|
735 | $everyn = (int) $this->recur["everyn"]; |
---|
736 | }else { |
---|
737 | $everyn = $this->recur["regen"] ? ((int) $this->recur["everyn"]) * 12 : 12; |
---|
738 | } |
---|
739 | |
---|
740 | // Get montday/month/year of original start |
---|
741 | $curmonthday = gmdate("j", (int) $this->recur["start"] ); |
---|
742 | $curyear = gmdate("Y", (int) $this->recur["start"] ); |
---|
743 | $curmonth = gmdate("n", (int) $this->recur["start"] ); |
---|
744 | |
---|
745 | // Check if the recurrence ends after a number of occurences, in that case we must calculate the |
---|
746 | // remaining occurences based on the start of the recurrence. |
---|
747 | if (((int) $this->recur["term"]) == 0x22) { |
---|
748 | // $forwardcount is the number of occurrences we can skip and still be inside the recurrence range (minus |
---|
749 | // one to make sure there are always at least one occurrence left) |
---|
750 | $forwardcount = ((((int) $this->recur["numoccur"])-1) * $everyn ); |
---|
751 | } |
---|
752 | |
---|
753 | // Get month for yearly on D'th day of month M |
---|
754 | if($term == 0x0D /*yearly*/) { |
---|
755 | $selmonth = floor(((int) $this->recur["month"]) / (24 * 60 *29)) + 1; // 1=jan, 2=feb, eg |
---|
756 | } |
---|
757 | |
---|
758 | switch((int) $this->recur["subtype"]) |
---|
759 | { |
---|
760 | // on D day of every M month |
---|
761 | case 2: |
---|
762 | if(!isset($this->recur["monthday"])) { |
---|
763 | return; |
---|
764 | } |
---|
765 | // Recalc startdate |
---|
766 | |
---|
767 | // Set on the right begin day |
---|
768 | |
---|
769 | // Go the beginning of the month |
---|
770 | $this->recur["start"] -= ($curmonthday-1) * 24*60*60; |
---|
771 | // Go the the correct month day |
---|
772 | $this->recur["start"] += (((int) $this->recur["monthday"])-1) * 24*60*60; |
---|
773 | |
---|
774 | // If the previous calculation gave us a start date *before* the original start date, then we need to skip to the next occurrence |
---|
775 | if ( ($term == 0x0C /*monthly*/ && ((int) $this->recur["monthday"]) < $curmonthday) || |
---|
776 | ($term == 0x0D /*yearly*/ &&( $selmonth < $curmonth || ($selmonth == $curmonth && ((int) $this->recur["monthday"]) < $curmonthday)) )) |
---|
777 | { |
---|
778 | if($term == 0x0D /*yearly*/) |
---|
779 | $count = ($everyn - ($curmonth - $selmonth)); // Yearly, go to next occurrence in 'everyn' months minus difference in first occurence and original date |
---|
780 | else |
---|
781 | $count = $everyn; // Monthly, go to next occurrence in 'everyn' months |
---|
782 | |
---|
783 | // Forward by $count months. This is done by getting the number of days in that month and forwarding that many days |
---|
784 | for($i=0; $i < $count; $i++) { |
---|
785 | $this->recur["start"] += $this->getMonthInSeconds($curyear, $curmonth); |
---|
786 | |
---|
787 | if($curmonth == 12) { |
---|
788 | $curyear++; |
---|
789 | $curmonth = 0; |
---|
790 | } |
---|
791 | $curmonth++; |
---|
792 | } |
---|
793 | } |
---|
794 | |
---|
795 | // "start" is now pointing to the first occurrence, except that it will overshoot if the |
---|
796 | // month in which it occurs has less days than specified as the day of the month. So 31st |
---|
797 | // of each month will overshoot in february (29 days). We compensate for that by checking |
---|
798 | // if the day of the month we got is wrong, and then back up to the last day of the previous |
---|
799 | // month. |
---|
800 | if(((int) $this->recur["monthday"]) >=28 && ((int) $this->recur["monthday"]) <= 31 && |
---|
801 | gmdate("j", ((int) $this->recur["start"])) < ((int) $this->recur["monthday"])) |
---|
802 | { |
---|
803 | $this->recur["start"] -= gmdate("j", ((int) $this->recur["start"])) * 24 * 60 *60; |
---|
804 | } |
---|
805 | |
---|
806 | // "start" is now the first occurrence |
---|
807 | |
---|
808 | if($term == 0x0C /*monthly*/) { |
---|
809 | // Calc first occ |
---|
810 | $monthIndex = ((((12%$everyn) * ((((int) gmdate("Y", $this->recur["start"])) - 1601)%$everyn)) % $everyn) + (((int) gmdate("n", $this->recur["start"])) - 1))%$everyn; |
---|
811 | |
---|
812 | $firstocc = 0; |
---|
813 | for($i=0; $i < $monthIndex; $i++) { |
---|
814 | $firstocc+= $this->getMonthInSeconds(1601 + floor($i/12), ($i%12)+1) / 60; |
---|
815 | } |
---|
816 | |
---|
817 | $rdata .= pack("VVVV", $firstocc, $everyn, $this->recur["regen"], (int) $this->recur["monthday"]); |
---|
818 | } else{ |
---|
819 | // Calc first occ |
---|
820 | $firstocc = 0; |
---|
821 | $monthIndex = (int) gmdate("n", $this->recur["start"]); |
---|
822 | for($i=1; $i < $monthIndex; $i++) { |
---|
823 | $firstocc+= $this->getMonthInSeconds(1601 + floor($i/12), $i) / 60; |
---|
824 | } |
---|
825 | |
---|
826 | $rdata .= pack("VVVV", $firstocc, $everyn, $this->recur["regen"], (int) $this->recur["monthday"]); |
---|
827 | } |
---|
828 | break; |
---|
829 | |
---|
830 | case 3: |
---|
831 | // monthly: on Nth weekday of every M month |
---|
832 | // yearly: on Nth weekday of M month |
---|
833 | if(!isset($this->recur["weekdays"]) && !isset($this->recur["nday"])) { |
---|
834 | return; |
---|
835 | } |
---|
836 | |
---|
837 | $weekdays = (int) $this->recur["weekdays"]; |
---|
838 | $nday = (int) $this->recur["nday"]; |
---|
839 | |
---|
840 | // Calc startdate |
---|
841 | $monthbegindow = (int) $this->recur["start"]; |
---|
842 | |
---|
843 | if($nday == 5) { |
---|
844 | // Set date on the last day of the last month |
---|
845 | $monthbegindow += (gmdate("t", $monthbegindow ) - gmdate("j", $monthbegindow )) * 24 * 60 * 60; |
---|
846 | }else { |
---|
847 | // Set on the first day of the month |
---|
848 | $monthbegindow -= ((gmdate("j", $monthbegindow )-1) * 24 * 60 * 60); |
---|
849 | } |
---|
850 | |
---|
851 | if($term == 0x0D /*yearly*/) { |
---|
852 | // Set on right month |
---|
853 | if($selmonth < $curmonth) |
---|
854 | $tmp = 12 - $curmonth + $selmonth; |
---|
855 | else |
---|
856 | $tmp = ($selmonth - $curmonth); |
---|
857 | |
---|
858 | for($i=0; $i < $tmp; $i++) { |
---|
859 | $monthbegindow += $this->getMonthInSeconds($curyear, $curmonth); |
---|
860 | |
---|
861 | if($curmonth == 12) { |
---|
862 | $curyear++; |
---|
863 | $curmonth = 0; |
---|
864 | } |
---|
865 | $curmonth++; |
---|
866 | } |
---|
867 | |
---|
868 | }else { |
---|
869 | // Check or you exist in the right month |
---|
870 | |
---|
871 | for($i = 0; $i < 7; $i++) { |
---|
872 | if($nday == 5 && (1<<( (gmdate("w", $monthbegindow)-$i)%7) ) & $weekdays) { |
---|
873 | $day = gmdate("j", $monthbegindow) - $i; |
---|
874 | break; |
---|
875 | }else if($nday != 5 && (1<<( (gmdate("w", $monthbegindow )+$i)%7) ) & $weekdays) { |
---|
876 | $day = (($nday-1)*7) + ($i+1); |
---|
877 | break; |
---|
878 | } |
---|
879 | } |
---|
880 | |
---|
881 | // Goto the next X month |
---|
882 | if(isset($day) && ($day < gmdate("j", (int) $this->recur["start"])) ) { |
---|
883 | if($nday == 5) { |
---|
884 | $monthbegindow += 24 * 60 * 60; |
---|
885 | if($curmonth == 12) { |
---|
886 | $curyear++; |
---|
887 | $curmonth = 0; |
---|
888 | } |
---|
889 | $curmonth++; |
---|
890 | } |
---|
891 | |
---|
892 | for($i=0; $i < $everyn; $i++) { |
---|
893 | $monthbegindow += $this->getMonthInSeconds($curyear, $curmonth); |
---|
894 | |
---|
895 | if($curmonth == 12) { |
---|
896 | $curyear++; |
---|
897 | $curmonth = 0; |
---|
898 | } |
---|
899 | $curmonth++; |
---|
900 | } |
---|
901 | |
---|
902 | if($nday == 5) { |
---|
903 | $monthbegindow -= 24 * 60 * 60; |
---|
904 | } |
---|
905 | } |
---|
906 | } |
---|
907 | |
---|
908 | //FIXME: weekstart? |
---|
909 | |
---|
910 | $day = 0; |
---|
911 | // Set start on the right day |
---|
912 | for($i = 0; $i < 7; $i++) { |
---|
913 | if($nday == 5 && (1<<( (gmdate("w", $monthbegindow )-$i)%7) ) & $weekdays) { |
---|
914 | $day = $i; |
---|
915 | break; |
---|
916 | }else if($nday != 5 && (1<<( (gmdate("w", $monthbegindow )+$i)%7) ) & $weekdays) { |
---|
917 | $day = ($nday - 1) * 7 + ($i+1); |
---|
918 | break; |
---|
919 | } |
---|
920 | } |
---|
921 | if($nday == 5) |
---|
922 | $monthbegindow -= $day * 24 * 60 *60; |
---|
923 | else |
---|
924 | $monthbegindow += ($day-1) * 24 * 60 *60; |
---|
925 | |
---|
926 | $firstocc = 0; |
---|
927 | |
---|
928 | if($term == 0x0C /*monthly*/) { |
---|
929 | // Calc first occ |
---|
930 | $monthIndex = ((((12%$everyn) * (((int) gmdate("Y", $this->recur["start"]) - 1601)%$everyn)) % $everyn) + (((int) gmdate("n", $this->recur["start"])) - 1))%$everyn; |
---|
931 | |
---|
932 | for($i=0; $i < $monthIndex; $i++) { |
---|
933 | $firstocc+= $this->getMonthInSeconds(1601 + floor($i/12), ($i%12)+1) / 60; |
---|
934 | } |
---|
935 | |
---|
936 | $rdata .= pack("VVVVV", $firstocc, $everyn, 0, $weekdays, $nday); |
---|
937 | } else { |
---|
938 | // Calc first occ |
---|
939 | $monthIndex = (int) gmdate("n", $this->recur["start"]); |
---|
940 | |
---|
941 | for($i=1; $i < $monthIndex; $i++) { |
---|
942 | $firstocc+= $this->getMonthInSeconds(1601 + floor($i/12), $i) / 60; |
---|
943 | } |
---|
944 | |
---|
945 | $rdata .= pack("VVVVV", $firstocc, $everyn, 0, $weekdays, $nday); |
---|
946 | } |
---|
947 | break; |
---|
948 | } |
---|
949 | break; |
---|
950 | |
---|
951 | |
---|
952 | |
---|
953 | } |
---|
954 | |
---|
955 | if(!isset($this->recur["term"])) { |
---|
956 | return; |
---|
957 | } |
---|
958 | |
---|
959 | // Terminate |
---|
960 | $term = (int) $this->recur["term"]; |
---|
961 | $rdata .= pack("CCCC", $term, 0x20, 0x00, 0x00); |
---|
962 | |
---|
963 | switch($term) |
---|
964 | { |
---|
965 | // After the given enddate |
---|
966 | case 0x21: |
---|
967 | $rdata .= pack("V", 10); |
---|
968 | break; |
---|
969 | // After a number of times |
---|
970 | case 0x22: |
---|
971 | if(!isset($this->recur["numoccur"])) { |
---|
972 | return; |
---|
973 | } |
---|
974 | |
---|
975 | $rdata .= pack("V", (int) $this->recur["numoccur"]); |
---|
976 | break; |
---|
977 | // Never ends |
---|
978 | case 0x23: |
---|
979 | $rdata .= pack("V", 0); |
---|
980 | break; |
---|
981 | } |
---|
982 | |
---|
983 | // Strange little thing for the recurrence type "every workday" |
---|
984 | if(((int) $this->recur["type"]) == 0x0B && ((int) $this->recur["subtype"]) == 1) { |
---|
985 | $rdata .= pack("V", 1); |
---|
986 | } else { // Other recurrences |
---|
987 | $rdata .= pack("V", 0); |
---|
988 | } |
---|
989 | |
---|
990 | // Exception data |
---|
991 | |
---|
992 | // Get all exceptions |
---|
993 | $deleted_items = $this->recur["deleted_occurences"]; |
---|
994 | $changed_items = $this->recur["changed_occurences"]; |
---|
995 | |
---|
996 | // Merge deleted and changed items into one list |
---|
997 | $items = $deleted_items; |
---|
998 | |
---|
999 | foreach($changed_items as $changed_item) |
---|
1000 | array_push($items, $changed_item["basedate"]); |
---|
1001 | |
---|
1002 | sort($items); |
---|
1003 | |
---|
1004 | // Add the merged list in to the rdata |
---|
1005 | $rdata .= pack("V", count($items)); |
---|
1006 | foreach($items as $item) |
---|
1007 | $rdata .= pack("V", $this->unixDataToRecurData($item)); |
---|
1008 | |
---|
1009 | // Loop through the changed exceptions (not deleted) |
---|
1010 | $rdata .= pack("V", count($changed_items)); |
---|
1011 | $items = array(); |
---|
1012 | |
---|
1013 | foreach($changed_items as $changed_item) |
---|
1014 | { |
---|
1015 | $items[] = $this->dayStartOf($changed_item["start"]); |
---|
1016 | } |
---|
1017 | |
---|
1018 | sort($items); |
---|
1019 | |
---|
1020 | // Add the changed items list int the rdata |
---|
1021 | foreach($items as $item) |
---|
1022 | $rdata .= pack("V", $this->unixDataToRecurData($item)); |
---|
1023 | |
---|
1024 | // Set start date |
---|
1025 | $rdata .= pack("V", $this->unixDataToRecurData((int) $this->recur["start"])); |
---|
1026 | |
---|
1027 | // Set enddate |
---|
1028 | switch($term) |
---|
1029 | { |
---|
1030 | // After the given enddate |
---|
1031 | case 0x21: |
---|
1032 | $rdata .= pack("V", $this->unixDataToRecurData((int) $this->recur["end"])); |
---|
1033 | break; |
---|
1034 | // After a number of times |
---|
1035 | case 0x22: |
---|
1036 | // @todo: calculate enddate with intval($this->recur["startocc"]) + intval($this->recur["duration"]) > 24 hour |
---|
1037 | $occenddate = (int) $this->recur["start"]; |
---|
1038 | |
---|
1039 | switch((int) $this->recur["type"]) { |
---|
1040 | case 0x0A: //daily |
---|
1041 | |
---|
1042 | if($this->recur["subtype"] == 1) { |
---|
1043 | // Daily every workday |
---|
1044 | $restocc = (int) $this->recur["numoccur"]; |
---|
1045 | |
---|
1046 | // Get starting weekday |
---|
1047 | $nowtime = $this->gmtime($occenddate); |
---|
1048 | $j = $nowtime["tm_wday"]; |
---|
1049 | |
---|
1050 | while(1) |
---|
1051 | { |
---|
1052 | if(($j%7) > 0 && ($j%7)<6 ) { |
---|
1053 | $restocc--; |
---|
1054 | } |
---|
1055 | |
---|
1056 | $j++; |
---|
1057 | |
---|
1058 | if($restocc <= 0) |
---|
1059 | break; |
---|
1060 | |
---|
1061 | $occenddate += 24*60*60; |
---|
1062 | } |
---|
1063 | |
---|
1064 | } else { |
---|
1065 | // -1 because the first day already counts (from 1-1-1980 to 1-1-1980 is 1 occurrence) |
---|
1066 | $occenddate += (((int) $this->recur["everyn"]) * 60 * (((int) $this->recur["numoccur"]-1))); |
---|
1067 | } |
---|
1068 | break; |
---|
1069 | case 0x0B: //weekly |
---|
1070 | // Needed values |
---|
1071 | // $forwardcount - number of weeks we can skip forward |
---|
1072 | // $restocc - number of remaning occurrences after the week skip |
---|
1073 | |
---|
1074 | // Add the weeks till the last item |
---|
1075 | $occenddate+=($forwardcount*7*24*60*60); |
---|
1076 | |
---|
1077 | $dayofweek = gmdate("w", $occenddate); |
---|
1078 | |
---|
1079 | // Loop through the last occurrences until we have had them all |
---|
1080 | for($j = 1; $restocc>0; $j++) |
---|
1081 | { |
---|
1082 | // Jump to the next week (which may be N weeks away) when going over the week boundary |
---|
1083 | if((($dayofweek+$j)%7) == $weekstart) |
---|
1084 | $occenddate += (((int) $this->recur["everyn"])-1) * 7 * 24*60*60; |
---|
1085 | |
---|
1086 | // If this is a matching day, once less occurrence to process |
---|
1087 | if(((int) $this->recur["weekdays"]) & (1<<(($dayofweek+$j)%7)) ) { |
---|
1088 | $restocc--; |
---|
1089 | } |
---|
1090 | |
---|
1091 | // Next day |
---|
1092 | $occenddate += 24*60*60; |
---|
1093 | } |
---|
1094 | |
---|
1095 | break; |
---|
1096 | case 0x0C: //monthly |
---|
1097 | case 0x0D: //yearly |
---|
1098 | |
---|
1099 | $curyear = gmdate("Y", (int) $this->recur["start"] ); |
---|
1100 | $curmonth = gmdate("n", (int) $this->recur["start"] ); |
---|
1101 | // $forwardcount = months |
---|
1102 | |
---|
1103 | switch((int) $this->recur["subtype"]) |
---|
1104 | { |
---|
1105 | case 2: // on D day of every M month |
---|
1106 | while($forwardcount > 0) |
---|
1107 | { |
---|
1108 | $occenddate += $this->getMonthInSeconds($curyear, $curmonth); |
---|
1109 | |
---|
1110 | if($curmonth >=12) { |
---|
1111 | $curmonth = 1; |
---|
1112 | $curyear++; |
---|
1113 | } else { |
---|
1114 | $curmonth++; |
---|
1115 | } |
---|
1116 | $forwardcount--; |
---|
1117 | } |
---|
1118 | |
---|
1119 | // compensation between 28 and 31 |
---|
1120 | if(((int) $this->recur["monthday"]) >=28 && ((int) $this->recur["monthday"]) <= 31 && |
---|
1121 | gmdate("j", $occenddate) < ((int) $this->recur["monthday"])) |
---|
1122 | { |
---|
1123 | if(gmdate("j", $occenddate) < 28) |
---|
1124 | $occenddate -= gmdate("j", $occenddate) * 24 * 60 *60; |
---|
1125 | else |
---|
1126 | $occenddate += (gmdate("t", $occenddate) - gmdate("j", $occenddate)) * 24 * 60 *60; |
---|
1127 | } |
---|
1128 | |
---|
1129 | |
---|
1130 | break; |
---|
1131 | case 3: // on Nth weekday of every M month |
---|
1132 | $nday = (int) $this->recur["nday"]; //1 tot 5 |
---|
1133 | $weekdays = (int) $this->recur["weekdays"]; |
---|
1134 | |
---|
1135 | |
---|
1136 | while($forwardcount > 0) |
---|
1137 | { |
---|
1138 | $occenddate += $this->getMonthInSeconds($curyear, $curmonth); |
---|
1139 | if($curmonth >=12) { |
---|
1140 | $curmonth = 1; |
---|
1141 | $curyear++; |
---|
1142 | } else { |
---|
1143 | $curmonth++; |
---|
1144 | } |
---|
1145 | |
---|
1146 | $forwardcount--; |
---|
1147 | } |
---|
1148 | |
---|
1149 | if($nday == 5) { |
---|
1150 | // Set date on the last day of the last month |
---|
1151 | $occenddate += (gmdate("t", $occenddate ) - gmdate("j", $occenddate )) * 24 * 60 * 60; |
---|
1152 | }else { |
---|
1153 | // Set date on the first day of the last month |
---|
1154 | $occenddate -= (gmdate("j", $occenddate )-1) * 24 * 60 * 60; |
---|
1155 | } |
---|
1156 | |
---|
1157 | for($i = 0; $i < 7; $i++) { |
---|
1158 | if( $nday == 5 && (1<<( (gmdate("w", $occenddate)-$i)%7) ) & $weekdays) { |
---|
1159 | $occenddate -= $i * 24 * 60 * 60; |
---|
1160 | break; |
---|
1161 | }else if($nday != 5 && (1<<( (gmdate("w", $occenddate)+$i)%7) ) & $weekdays) { |
---|
1162 | $occenddate += ($i + (($nday-1) *7)) * 24 * 60 * 60; |
---|
1163 | break; |
---|
1164 | } |
---|
1165 | } |
---|
1166 | |
---|
1167 | break; //case 3: |
---|
1168 | } |
---|
1169 | |
---|
1170 | break; |
---|
1171 | |
---|
1172 | } |
---|
1173 | |
---|
1174 | if (defined("PHP_INT_MAX") && $occenddate > PHP_INT_MAX) |
---|
1175 | $occenddate = PHP_INT_MAX; |
---|
1176 | |
---|
1177 | $this->recur["end"] = $occenddate; |
---|
1178 | |
---|
1179 | $rdata .= pack("V", $this->unixDataToRecurData((int) $this->recur["end"]) ); |
---|
1180 | break; |
---|
1181 | // Never ends |
---|
1182 | case 0x23: |
---|
1183 | default: |
---|
1184 | $this->recur["end"] = 0x7fffffff; // max date -> 2038 |
---|
1185 | $rdata .= pack("V", 0x5AE980DF); |
---|
1186 | break; |
---|
1187 | } |
---|
1188 | |
---|
1189 | // UTC date |
---|
1190 | $utcstart = $this->toGMT($this->tz, (int) $this->recur["start"]); |
---|
1191 | $utcend = $this->toGMT($this->tz, (int) $this->recur["end"]); |
---|
1192 | |
---|
1193 | //utc date+time |
---|
1194 | $utcfirstoccstartdatetime = (isset($this->recur["startocc"])) ? $utcstart + (((int) $this->recur["startocc"])*60) : $utcstart; |
---|
1195 | $utcfirstoccenddatetime = (isset($this->recur["endocc"])) ? $utcstart + (((int) $this->recur["endocc"]) * 60) : $utcstart; |
---|
1196 | |
---|
1197 | // update reminder time |
---|
1198 | mapi_setprops($this->message, Array($this->proptags["reminder_time"] => $utcfirstoccstartdatetime )); |
---|
1199 | |
---|
1200 | // update first occurrence date |
---|
1201 | mapi_setprops($this->message, Array($this->proptags["startdate"] => $utcfirstoccstartdatetime )); |
---|
1202 | mapi_setprops($this->message, Array($this->proptags["duedate"] => $utcfirstoccenddatetime )); |
---|
1203 | mapi_setprops($this->message, Array($this->proptags["commonstart"] => $utcfirstoccstartdatetime )); |
---|
1204 | mapi_setprops($this->message, Array($this->proptags["commonend"] => $utcfirstoccenddatetime )); |
---|
1205 | |
---|
1206 | // Set Outlook properties, if it is an appointment |
---|
1207 | if (isset($this->recur["message_class"]) && $this->recur["message_class"] == "IPM.Appointment") { |
---|
1208 | // update real begin and real end date |
---|
1209 | mapi_setprops($this->message, Array($this->proptags["startdate_recurring"] => $utcstart)); |
---|
1210 | mapi_setprops($this->message, Array($this->proptags["enddate_recurring"] => $utcend)); |
---|
1211 | |
---|
1212 | // recurrencetype |
---|
1213 | // Strange enough is the property recurrencetype, (type-0x9) and not the CDO recurrencetype |
---|
1214 | mapi_setprops($this->message, Array($this->proptags["recurrencetype"] => ((int) $this->recur["type"]) - 0x9)); |
---|
1215 | |
---|
1216 | // set named prop 'side_effects' to 369, needed for Outlook to ask for single or total recurrence when deleting |
---|
1217 | mapi_setprops($this->message, Array($this->proptags["side_effects"] => 369)); |
---|
1218 | } else { |
---|
1219 | mapi_setprops($this->message, Array($this->proptags["side_effects"] => 3441)); |
---|
1220 | } |
---|
1221 | |
---|
1222 | // FlagDueBy is datetime of the first reminder occurrence. Outlook gives on this time a reminder popup dialog |
---|
1223 | // Any change of the recurrence (including changing and deleting exceptions) causes the flagdueby to be reset |
---|
1224 | // to the 'next' occurrence; this makes sure that deleting the next ocurrence will correctly set the reminder to |
---|
1225 | // the occurrence after that. The 'next' occurrence is defined as being the first occurrence that starts at moment X (server time) |
---|
1226 | // with the reminder flag set. |
---|
1227 | $reminderprops = mapi_getprops($this->message, array($this->proptags["reminder_minutes"]) ); |
---|
1228 | if(isset($reminderprops[$this->proptags["reminder_minutes"]]) ) { |
---|
1229 | $occ = false; |
---|
1230 | $occurrences = $this->getItems(time(), 0x7ff00000, 3, true); |
---|
1231 | |
---|
1232 | for($i = 0, $len = count($occurrences) ; $i < $len; $i++) { |
---|
1233 | // This will actually also give us appointments that have already started, but not yet ended. Since we want the next |
---|
1234 | // reminder that occurs after time(), we may have to skip the first few entries. We get 3 entries since that is the maximum |
---|
1235 | // number that would be needed (assuming reminder for item X cannot be before the previous occurrence starts). Worst case: |
---|
1236 | // time() is currently after start but before end of item, but reminder of next item has already passed (reminder for next item |
---|
1237 | // can be DURING the previous item, eg daily allday events). In that case, the first and second items must be skipped. |
---|
1238 | |
---|
1239 | if(($occurrences[$i][$this->proptags["startdate"]] - $reminderprops[$this->proptags["reminder_minutes"]] * 60) > time()) { |
---|
1240 | $occ = $occurrences[$i]; |
---|
1241 | break; |
---|
1242 | } |
---|
1243 | } |
---|
1244 | |
---|
1245 | if($occ) { |
---|
1246 | mapi_setprops($this->message, Array($this->proptags["flagdueby"] => $occ[$this->proptags["startdate"]] - ($reminderprops[$this->proptags["reminder_minutes"]] * 60) )); |
---|
1247 | } else { |
---|
1248 | // Last reminder passed, no reminders any more. |
---|
1249 | mapi_setprops($this->message, Array($this->proptags["reminder"] => false, $this->proptags["flagdueby"] => 0x7ff00000)); |
---|
1250 | } |
---|
1251 | } |
---|
1252 | |
---|
1253 | // Default data |
---|
1254 | // Second item (0x08) indicates the Outlook version (see documentation at the bottom of this file for more information) |
---|
1255 | $rdata .= pack("VCCCC", 0x00003006, 0x08, 0x30, 0x00, 0x00); |
---|
1256 | |
---|
1257 | if(isset($this->recur["startocc"]) && isset($this->recur["endocc"])) { |
---|
1258 | // Set start and endtime in minutes |
---|
1259 | $rdata .= pack("VV", (int) $this->recur["startocc"], (int) $this->recur["endocc"]); |
---|
1260 | } |
---|
1261 | |
---|
1262 | // Detailed exception data |
---|
1263 | |
---|
1264 | $changed_items = $this->recur["changed_occurences"]; |
---|
1265 | |
---|
1266 | $rdata .= pack("v", count($changed_items)); |
---|
1267 | |
---|
1268 | foreach($changed_items as $changed_item) |
---|
1269 | { |
---|
1270 | // Set start and end time of exception |
---|
1271 | $rdata .= pack("V", $this->unixDataToRecurData($changed_item["start"])); |
---|
1272 | $rdata .= pack("V", $this->unixDataToRecurData($changed_item["end"])); |
---|
1273 | $rdata .= pack("V", $this->unixDataToRecurData($changed_item["basedate"])); |
---|
1274 | |
---|
1275 | //Bitmask |
---|
1276 | $bitmask = 0; |
---|
1277 | |
---|
1278 | // Check for changed strings |
---|
1279 | if(isset($changed_item["subject"])) { |
---|
1280 | $bitmask |= 1 << 0; |
---|
1281 | } |
---|
1282 | |
---|
1283 | if(isset($changed_item["remind_before"])) { |
---|
1284 | $bitmask |= 1 << 2; |
---|
1285 | } |
---|
1286 | |
---|
1287 | if(isset($changed_item["reminder_set"])) { |
---|
1288 | $bitmask |= 1 << 3; |
---|
1289 | } |
---|
1290 | |
---|
1291 | if(isset($changed_item["location"])) { |
---|
1292 | $bitmask |= 1 << 4; |
---|
1293 | } |
---|
1294 | |
---|
1295 | if(isset($changed_item["busystatus"])) { |
---|
1296 | $bitmask |= 1 << 5; |
---|
1297 | } |
---|
1298 | |
---|
1299 | if(isset($changed_item["alldayevent"])) { |
---|
1300 | $bitmask |= 1 << 7; |
---|
1301 | } |
---|
1302 | |
---|
1303 | if(isset($changed_item["label"])) { |
---|
1304 | $bitmask |= 1 << 8; |
---|
1305 | } |
---|
1306 | |
---|
1307 | $rdata .= pack("v", $bitmask); |
---|
1308 | |
---|
1309 | // Set "subject" |
---|
1310 | if(isset($changed_item["subject"])) { |
---|
1311 | // convert utf-8 to non-unicode blob string (us-ascii?) |
---|
1312 | $subject = iconv("UTF-8", "windows-1252//TRANSLIT", $changed_item["subject"]); |
---|
1313 | $length = strlen($subject); |
---|
1314 | $rdata .= pack("vv", $length + 1, $length); |
---|
1315 | $rdata .= pack("a".$length, $subject); |
---|
1316 | } |
---|
1317 | |
---|
1318 | if(isset($changed_item["remind_before"])) { |
---|
1319 | $rdata .= pack("V", $changed_item["remind_before"]); |
---|
1320 | } |
---|
1321 | |
---|
1322 | if(isset($changed_item["reminder_set"])) { |
---|
1323 | $rdata .= pack("V", $changed_item["reminder_set"]); |
---|
1324 | } |
---|
1325 | |
---|
1326 | if(isset($changed_item["location"])) { |
---|
1327 | $location = iconv("UTF-8", "windows-1252//TRANSLIT", $changed_item["location"]); |
---|
1328 | $length = strlen($location); |
---|
1329 | $rdata .= pack("vv", $length + 1, $length); |
---|
1330 | $rdata .= pack("a".$length, $location); |
---|
1331 | } |
---|
1332 | |
---|
1333 | if(isset($changed_item["busystatus"])) { |
---|
1334 | $rdata .= pack("V", $changed_item["busystatus"]); |
---|
1335 | } |
---|
1336 | |
---|
1337 | if(isset($changed_item["alldayevent"])) { |
---|
1338 | $rdata .= pack("V", $changed_item["alldayevent"]); |
---|
1339 | } |
---|
1340 | |
---|
1341 | if(isset($changed_item["label"])) { |
---|
1342 | $rdata .= pack("V", $changed_item["label"]); |
---|
1343 | } |
---|
1344 | } |
---|
1345 | |
---|
1346 | $rdata .= pack("V", 0); |
---|
1347 | |
---|
1348 | // write extended data |
---|
1349 | foreach($changed_items as $changed_item) |
---|
1350 | { |
---|
1351 | $rdata .= pack("V", 0); |
---|
1352 | if(isset($changed_item["subject"]) || isset($changed_item["location"])) { |
---|
1353 | $rdata .= pack("V", $this->unixDataToRecurData($changed_item["start"])); |
---|
1354 | $rdata .= pack("V", $this->unixDataToRecurData($changed_item["end"])); |
---|
1355 | $rdata .= pack("V", $this->unixDataToRecurData($changed_item["basedate"])); |
---|
1356 | } |
---|
1357 | |
---|
1358 | if(isset($changed_item["subject"])) { |
---|
1359 | $subject = iconv("UTF-8", "UCS-2LE", $changed_item["subject"]); |
---|
1360 | $length = iconv_strlen($subject, "UCS-2LE"); |
---|
1361 | $rdata .= pack("v", $length); |
---|
1362 | $rdata .= pack("a".$length*2, $subject); |
---|
1363 | } |
---|
1364 | |
---|
1365 | if(isset($changed_item["location"])) { |
---|
1366 | $location = iconv("UTF-8", "UCS-2LE", $changed_item["location"]); |
---|
1367 | $length = iconv_strlen($location, "UCS-2LE"); |
---|
1368 | $rdata .= pack("v", $length); |
---|
1369 | $rdata .= pack("a".$length*2, $location); |
---|
1370 | } |
---|
1371 | |
---|
1372 | if(isset($changed_item["subject"]) || isset($changed_item["location"])) { |
---|
1373 | $rdata .= pack("V", 0); |
---|
1374 | } |
---|
1375 | } |
---|
1376 | |
---|
1377 | $rdata .= pack("V", 0); |
---|
1378 | |
---|
1379 | // Set props |
---|
1380 | mapi_setprops($this->message, Array($this->proptags["recurring_data"] => $rdata, $this->proptags["recurring"] => true)); |
---|
1381 | if(isset($this->tz) && $this->tz){ |
---|
1382 | $timezone = "GMT"; |
---|
1383 | if ($this->tz["timezone"]!=0){ |
---|
1384 | // Create user readable timezone information |
---|
1385 | $timezone = sprintf("(GMT %s%02d:%02d)", (-$this->tz["timezone"]>0 ? "+" : "-"), |
---|
1386 | abs($this->tz["timezone"]/60), |
---|
1387 | abs($this->tz["timezone"]%60)); |
---|
1388 | } |
---|
1389 | mapi_setprops($this->message, Array($this->proptags["timezone_data"] => $this->getTimezoneData($this->tz), |
---|
1390 | $this->proptags["timezone"] => $timezone)); |
---|
1391 | } |
---|
1392 | } |
---|
1393 | |
---|
1394 | /** |
---|
1395 | * Function which converts a recurrence date timestamp to an unix date timestamp. |
---|
1396 | * @author Steve Hardy |
---|
1397 | * @param Int $rdate the date which will be converted |
---|
1398 | * @return Int the converted date |
---|
1399 | */ |
---|
1400 | function recurDataToUnixData($rdate) |
---|
1401 | { |
---|
1402 | return ($rdate - 194074560) * 60 ; |
---|
1403 | } |
---|
1404 | |
---|
1405 | /** |
---|
1406 | * Function which converts an unix date timestamp to recurrence date timestamp. |
---|
1407 | * @author Johnny Biemans |
---|
1408 | * @param Date $date the date which will be converted |
---|
1409 | * @return Int the converted date in minutes |
---|
1410 | */ |
---|
1411 | function unixDataToRecurData($date) |
---|
1412 | { |
---|
1413 | return ($date / 60) + 194074560; |
---|
1414 | } |
---|
1415 | |
---|
1416 | /** |
---|
1417 | * gmtime() doesn't exist in standard PHP, so we have to implement it ourselves |
---|
1418 | * @author Steve Hardy |
---|
1419 | */ |
---|
1420 | function GetTZOffset($ts) |
---|
1421 | { |
---|
1422 | $Offset = date("O", $ts); |
---|
1423 | |
---|
1424 | $Parity = $Offset < 0 ? -1 : 1; |
---|
1425 | $Offset = $Parity * $Offset; |
---|
1426 | $Offset = ($Offset - ($Offset % 100)) / 100 * 60 + $Offset % 100; |
---|
1427 | |
---|
1428 | return $Parity * $Offset; |
---|
1429 | } |
---|
1430 | |
---|
1431 | /** |
---|
1432 | * gmtime() doesn't exist in standard PHP, so we have to implement it ourselves |
---|
1433 | * @author Steve Hardy |
---|
1434 | * @param Date $time |
---|
1435 | * @return Date GMT Time |
---|
1436 | */ |
---|
1437 | function gmtime($time) |
---|
1438 | { |
---|
1439 | $TZOffset = $this->GetTZOffset($time); |
---|
1440 | |
---|
1441 | $t_time = $time - $TZOffset * 60; #Counter adjust for localtime() |
---|
1442 | $t_arr = localtime($t_time, 1); |
---|
1443 | |
---|
1444 | return $t_arr; |
---|
1445 | } |
---|
1446 | |
---|
1447 | function isLeapYear($year) { |
---|
1448 | return ( $year % 4 == 0 && ($year % 100 != 0 || $year % 400 == 0) ); |
---|
1449 | } |
---|
1450 | |
---|
1451 | function getMonthInSeconds($year, $month) |
---|
1452 | { |
---|
1453 | if( in_array($month, array(1,3,5,7,8,10,12) ) ) { |
---|
1454 | $day = 31; |
---|
1455 | } else if( in_array($month, array(4,6,9,11) ) ) { |
---|
1456 | $day = 30; |
---|
1457 | } else { |
---|
1458 | $day = 28; |
---|
1459 | if( $this->isLeapYear($year) == 1 ) |
---|
1460 | $day++; |
---|
1461 | } |
---|
1462 | return $day * 24 * 60 * 60; |
---|
1463 | } |
---|
1464 | |
---|
1465 | /** |
---|
1466 | * Function to get a date by Year Nr, Month Nr, Week Nr, Day Nr, and hour |
---|
1467 | * @param int $year |
---|
1468 | * @param int $month |
---|
1469 | * @param int $week |
---|
1470 | * @param int $day |
---|
1471 | * @param int $hour |
---|
1472 | * @return returns the timestamp of the given date, timezone-independant |
---|
1473 | */ |
---|
1474 | function getDateByYearMonthWeekDayHour($year, $month, $week, $day, $hour) |
---|
1475 | { |
---|
1476 | // get first day of month |
---|
1477 | $date = gmmktime(0,0,0,$month,0,$year + 1900); |
---|
1478 | |
---|
1479 | // get wday info |
---|
1480 | $gmdate = $this->gmtime($date); |
---|
1481 | |
---|
1482 | $date -= $gmdate["tm_wday"] * 24 * 60 * 60; // back up to start of week |
---|
1483 | |
---|
1484 | $date += $week * 7 * 24 * 60 * 60; // go to correct week nr |
---|
1485 | $date += $day * 24 * 60 * 60; |
---|
1486 | $date += $hour * 60 * 60; |
---|
1487 | |
---|
1488 | $gmdate = $this->gmtime($date); |
---|
1489 | |
---|
1490 | // if we are in the next month, then back up a week, because week '5' means |
---|
1491 | // 'last week of month' |
---|
1492 | |
---|
1493 | if($gmdate["tm_mon"]+1 != $month) |
---|
1494 | $date -= 7 * 24 * 60 * 60; |
---|
1495 | |
---|
1496 | return $date; |
---|
1497 | } |
---|
1498 | |
---|
1499 | /** |
---|
1500 | * getTimezone gives the timezone offset (in minutes) of the given |
---|
1501 | * local date/time according to the given TZ info |
---|
1502 | */ |
---|
1503 | function getTimezone($tz, $date) |
---|
1504 | { |
---|
1505 | // No timezone -> GMT (+0) |
---|
1506 | if(!isset($tz["timezone"])) |
---|
1507 | return 0; |
---|
1508 | |
---|
1509 | $dst = false; |
---|
1510 | $gmdate = $this->gmtime($date); |
---|
1511 | |
---|
1512 | $dststart = $this->getDateByYearMonthWeekDayHour($gmdate["tm_year"], $tz["dststartmonth"], $tz["dststartweek"], 0, $tz["dststarthour"]); |
---|
1513 | $dstend = $this->getDateByYearMonthWeekDayHour($gmdate["tm_year"], $tz["dstendmonth"], $tz["dstendweek"], 0, $tz["dstendhour"]); |
---|
1514 | |
---|
1515 | if($dststart <= $dstend) { |
---|
1516 | // Northern hemisphere, eg DST is during Mar-Oct |
---|
1517 | if($date > $dststart && $date < $dstend) { |
---|
1518 | $dst = true; |
---|
1519 | } |
---|
1520 | } else { |
---|
1521 | // Southern hemisphere, eg DST is during Oct-Mar |
---|
1522 | if($date < $dstend || $date > $dststart) { |
---|
1523 | $dst = true; |
---|
1524 | } |
---|
1525 | } |
---|
1526 | |
---|
1527 | if($dst) { |
---|
1528 | return $tz["timezone"] + $tz["timezonedst"]; |
---|
1529 | } else { |
---|
1530 | return $tz["timezone"]; |
---|
1531 | } |
---|
1532 | } |
---|
1533 | |
---|
1534 | /** |
---|
1535 | * getWeekNr() returns the week nr of the month (ie first week of february is 1) |
---|
1536 | */ |
---|
1537 | function getWeekNr($date) |
---|
1538 | { |
---|
1539 | $gmdate = gmtime($date); |
---|
1540 | $gmdate["tm_mday"] = 0; |
---|
1541 | return strftime("%W", $date) - strftime("%W", gmmktime($gmdate)) + 1; |
---|
1542 | } |
---|
1543 | |
---|
1544 | /** |
---|
1545 | * parseTimezone parses the timezone as specified in named property 0x8233 |
---|
1546 | * in Outlook calendar messages. Returns the timezone in minutes negative |
---|
1547 | * offset (GMT +2:00 -> -120) |
---|
1548 | */ |
---|
1549 | function parseTimezone($data) |
---|
1550 | { |
---|
1551 | if(strlen($data) < 48) |
---|
1552 | return; |
---|
1553 | |
---|
1554 | $tz = unpack("ltimezone/lunk/ltimezonedst/lunk/ldstendmonth/vdstendweek/vdstendhour/lunk/lunk/vunk/ldststartmonth/vdststartweek/vdststarthour/lunk/vunk", $data); |
---|
1555 | return $tz; |
---|
1556 | } |
---|
1557 | |
---|
1558 | function getTimezoneData($tz) |
---|
1559 | { |
---|
1560 | $data = pack("lllllvvllvlvvlv", $tz["timezone"], 0, $tz["timezonedst"], 0, $tz["dstendmonth"], $tz["dstendweek"], $tz["dstendhour"], 0, 0, 0, $tz["dststartmonth"], $tz["dststartweek"], $tz["dststarthour"], 0 ,0); |
---|
1561 | |
---|
1562 | return $data; |
---|
1563 | } |
---|
1564 | |
---|
1565 | /** |
---|
1566 | * createTimezone creates the timezone as specified in the named property 0x8233 |
---|
1567 | * see also parseTimezone() |
---|
1568 | * $tz is an array with the timezone data |
---|
1569 | */ |
---|
1570 | function createTimezone($tz) |
---|
1571 | { |
---|
1572 | $data = pack("lxxxxlxxxxlvvxxxxxxxxxxlvvxxxxxx", |
---|
1573 | $tz["timezone"], |
---|
1574 | array_key_exists("timezonedst",$tz)?$tz["timezonedst"]:0, |
---|
1575 | array_key_exists("dstendmonth",$tz)?$tz["dstendmonth"]:0, |
---|
1576 | array_key_exists("dstendweek",$tz)?$tz["dstendweek"]:0, |
---|
1577 | array_key_exists("dstendhour",$tz)?$tz["dstendhour"]:0, |
---|
1578 | array_key_exists("dststartmonth",$tz)?$tz["dststartmonth"]:0, |
---|
1579 | array_key_exists("dststartweek",$tz)?$tz["dststartweek"]:0, |
---|
1580 | array_key_exists("dststarthour",$tz)?$tz["dststarthour"]:0 |
---|
1581 | ); |
---|
1582 | |
---|
1583 | return $data; |
---|
1584 | } |
---|
1585 | |
---|
1586 | /** |
---|
1587 | * toGMT returns a timestamp in GMT time for the time and timezone given |
---|
1588 | */ |
---|
1589 | function toGMT($tz, $date) { |
---|
1590 | if(!isset($tz['timezone'])) |
---|
1591 | return $date; |
---|
1592 | $offset = $this->getTimezone($tz, $date); |
---|
1593 | |
---|
1594 | return $date + $offset * 60; |
---|
1595 | } |
---|
1596 | |
---|
1597 | /** |
---|
1598 | * fromGMT returns a timestamp in the local timezone given from the GMT time given |
---|
1599 | */ |
---|
1600 | function fromGMT($tz, $date) { |
---|
1601 | $offset = $this->getTimezone($tz, $date); |
---|
1602 | |
---|
1603 | return $date - $offset * 60; |
---|
1604 | } |
---|
1605 | |
---|
1606 | /** |
---|
1607 | * Function to get timestamp of the beginning of the day of the timestamp given |
---|
1608 | * @param date $date |
---|
1609 | * @return date timestamp referring to same day but at 00:00:00 |
---|
1610 | */ |
---|
1611 | function dayStartOf($date) |
---|
1612 | { |
---|
1613 | $time1 = $this->gmtime($date); |
---|
1614 | |
---|
1615 | return gmmktime(0, 0, 0, $time1["tm_mon"] + 1, $time1["tm_mday"], $time1["tm_year"] + 1900); |
---|
1616 | } |
---|
1617 | |
---|
1618 | /** |
---|
1619 | * Function to get timestamp of the beginning of the month of the timestamp given |
---|
1620 | * @param date $date |
---|
1621 | * @return date Timestamp referring to same month but on the first day, and at 00:00:00 |
---|
1622 | */ |
---|
1623 | function monthStartOf($date) |
---|
1624 | { |
---|
1625 | $time1 = $this->gmtime($date); |
---|
1626 | |
---|
1627 | return gmmktime(0, 0, 0, $time1["tm_mon"] + 1, 1, $time1["tm_year"] + 1900); |
---|
1628 | } |
---|
1629 | |
---|
1630 | /** |
---|
1631 | * Function to get timestamp of the beginning of the year of the timestamp given |
---|
1632 | * @param date $date |
---|
1633 | * @return date Timestamp referring to the same year but on Jan 01, at 00:00:00 |
---|
1634 | */ |
---|
1635 | function yearStartOf($date) |
---|
1636 | { |
---|
1637 | $time1 = $this->gmtime($date); |
---|
1638 | |
---|
1639 | return gmmktime(0, 0, 0, 1, 1, $time1["tm_year"] + 1900); |
---|
1640 | } |
---|
1641 | |
---|
1642 | |
---|
1643 | /** |
---|
1644 | * Function which returns the items in a given interval. This included expansion of the recurrence and |
---|
1645 | * processing of exceptions (modified and deleted). |
---|
1646 | * |
---|
1647 | * @param string $entryid the entryid of the message |
---|
1648 | * @param array $props the properties of the message |
---|
1649 | * @param date $start start time of the interval (GMT) |
---|
1650 | * @param date $end end time of the interval (GMT) |
---|
1651 | */ |
---|
1652 | function getItems($start, $end, $limit = 0, $remindersonly = false) |
---|
1653 | { |
---|
1654 | $items = array(); |
---|
1655 | |
---|
1656 | if(isset($this->recur)) { |
---|
1657 | |
---|
1658 | // Optimization: remindersonly and default reminder is off; since only exceptions with reminder set will match, just look which |
---|
1659 | // exceptions are in range and have a reminder set |
---|
1660 | if($remindersonly && (!isset($this->messageprops[$this->proptags["reminder"]]) || $this->messageprops[$this->proptags["reminder"]] == false)) { |
---|
1661 | // Sort exceptions by start time |
---|
1662 | uasort($this->recur["changed_occurences"], array($this, "sortExceptionStart")); |
---|
1663 | |
---|
1664 | // Loop through all changed exceptions |
---|
1665 | foreach($this->recur["changed_occurences"] as $exception) { |
---|
1666 | // Check reminder set |
---|
1667 | if(!isset($exception["reminder"]) || $exception["reminder"] == false) |
---|
1668 | continue; |
---|
1669 | |
---|
1670 | // Convert to GMT |
---|
1671 | $occstart = $this->toGMT($this->tz, $exception["start"]); // seb changed $tz to $this->tz |
---|
1672 | $occend = $this->toGMT($this->tz, $exception["end"]); // seb changed $tz to $this->tz |
---|
1673 | |
---|
1674 | // Check range criterium |
---|
1675 | if($occstart > $end || $occend < $start) |
---|
1676 | continue; |
---|
1677 | |
---|
1678 | // OK, add to items. |
---|
1679 | array_push($items, $this->getExceptionProperties($exception)); |
---|
1680 | if($limit && (count($items) == $limit)) |
---|
1681 | break; |
---|
1682 | } |
---|
1683 | |
---|
1684 | uasort($items, array($this, "sortStarttime")); |
---|
1685 | |
---|
1686 | return $items; |
---|
1687 | } |
---|
1688 | |
---|
1689 | // From here on, the dates of the occurrences are calculated in local time, so the days we're looking |
---|
1690 | // at are calculated from the local time dates of $start and $end |
---|
1691 | |
---|
1692 | if ($this->recur['regen'] && isset($this->action['datecompleted'])) { |
---|
1693 | $daystart = $this->dayStartOf($this->action['datecompleted']); |
---|
1694 | } else { |
---|
1695 | $daystart = $this->dayStartOf($this->recur["start"]); // start on first day of occurrence |
---|
1696 | } |
---|
1697 | |
---|
1698 | // Calculate the last day on which we want to be looking at a recurrence; this is either the end of the view |
---|
1699 | // or the end of the recurrence, whichever comes first |
---|
1700 | if($end > $this->toGMT($this->tz, $this->recur["end"])) { |
---|
1701 | $rangeend = $this->toGMT($this->tz, $this->recur["end"]); |
---|
1702 | } else { |
---|
1703 | $rangeend = $end; |
---|
1704 | } |
---|
1705 | |
---|
1706 | $dayend = $this->dayStartOf($this->fromGMT($this->tz, $rangeend)); |
---|
1707 | |
---|
1708 | // Loop through the entire recurrence range of dates, and check for each occurrence whether it is in the view range. |
---|
1709 | |
---|
1710 | switch($this->recur["type"]) |
---|
1711 | { |
---|
1712 | case 10: |
---|
1713 | // Daily |
---|
1714 | if($this->recur["everyn"] <= 0) |
---|
1715 | $this->recur["everyn"] = 1440; |
---|
1716 | |
---|
1717 | if($this->recur["subtype"] == 0) { |
---|
1718 | // Every Nth day |
---|
1719 | for($now = $daystart; $now <= $dayend && ($limit == 0 || count($items) < $limit); $now += 60 * $this->recur["everyn"]) { |
---|
1720 | $this->processOccurrenceItem($items, $start, $end, $now, $this->recur["startocc"], $this->recur["endocc"], $this->tz, $remindersonly); |
---|
1721 | } |
---|
1722 | } else { |
---|
1723 | // Every workday |
---|
1724 | for($now = $daystart; $now <= $dayend && ($limit == 0 || count($items) < $limit); $now += 60 * 1440) |
---|
1725 | { |
---|
1726 | $nowtime = $this->gmtime($now); |
---|
1727 | if ($nowtime["tm_wday"] > 0 && $nowtime["tm_wday"] < 6) { // only add items in the given timespace |
---|
1728 | $this->processOccurrenceItem($items, $start, $end, $now, $this->recur["startocc"], $this->recur["endocc"], $this->tz, $remindersonly); |
---|
1729 | } |
---|
1730 | } |
---|
1731 | } |
---|
1732 | break; |
---|
1733 | case 11: |
---|
1734 | // Weekly |
---|
1735 | if($this->recur["everyn"] <= 0) |
---|
1736 | $this->recur["everyn"] = 1; |
---|
1737 | |
---|
1738 | // If sliding flag is set then move to 'n' weeks |
---|
1739 | if ($this->recur['regen']) $daystart += (60 * 60 * 24 * 7 * $this->recur["everyn"]); |
---|
1740 | |
---|
1741 | for($now = $daystart; $now <= $dayend && ($limit == 0 || count($items) < $limit); $now += (60 * 60 * 24 * 7 * $this->recur["everyn"])) |
---|
1742 | { |
---|
1743 | if ($this->recur['regen']) { |
---|
1744 | $this->processOccurrenceItem($items, $start, $end, $now, $this->recur["startocc"], $this->recur["endocc"], $this->tz, $remindersonly); |
---|
1745 | } else { |
---|
1746 | // Loop through the whole following week to the first occurrence of the week, add each day that is specified |
---|
1747 | for($wday = 0; $wday < 7; $wday++) |
---|
1748 | { |
---|
1749 | $daynow = $now + $wday * 60 * 60 * 24; |
---|
1750 | //checks weather the next coming day in recurring pattern is less than or equal to end day of the recurring item |
---|
1751 | if ($daynow <= $dayend){ |
---|
1752 | $nowtime = $this->gmtime($daynow); // Get the weekday of the current day |
---|
1753 | if(($this->recur["weekdays"] &(1 << $nowtime["tm_wday"]))) { // Selected ? |
---|
1754 | $this->processOccurrenceItem($items, $start, $end, $daynow, $this->recur["startocc"], $this->recur["endocc"], $this->tz, $remindersonly); |
---|
1755 | } |
---|
1756 | } |
---|
1757 | } |
---|
1758 | } |
---|
1759 | } |
---|
1760 | break; |
---|
1761 | case 12: |
---|
1762 | // Monthly |
---|
1763 | if($this->recur["everyn"] <= 0) |
---|
1764 | $this->recur["everyn"] = 1; |
---|
1765 | |
---|
1766 | // Loop through all months from start to end of occurrence, starting at beginning of first month |
---|
1767 | for($now = $this->monthStartOf($daystart); $now <= $dayend && ($limit == 0 || count($items) < $limit); $now += $this->daysInMonth($now, $this->recur["everyn"]) * 24 * 60 * 60 ) |
---|
1768 | { |
---|
1769 | if(isset($this->recur["monthday"]) &&($this->recur['monthday'] != "undefined") && !$this->recur['regen']) { // Day M of every N months |
---|
1770 | $difference = 1; |
---|
1771 | if ($this->daysInMonth($now, $this->recur["everyn"]) < $this->recur["monthday"]) { |
---|
1772 | $difference = $this->recur["monthday"] - $this->daysInMonth($now, $this->recur["everyn"]) + 1; |
---|
1773 | } |
---|
1774 | $daynow = $now + (($this->recur["monthday"] - $difference) * 24 * 60 * 60); |
---|
1775 | //checks weather the next coming day in recurrence pattern is less than or equal to end day of the recurring item |
---|
1776 | if ($daynow <= $dayend){ |
---|
1777 | $this->processOccurrenceItem($items, $start, $end, $daynow, $this->recur["startocc"], $this->recur["endocc"], $this->tz, $remindersonly); |
---|
1778 | } |
---|
1779 | } |
---|
1780 | else if(isset($this->recur["nday"]) && isset($this->recur["weekdays"])) { // Nth [weekday] of every N months |
---|
1781 | // Sanitize input |
---|
1782 | if($this->recur["weekdays"] == 0) |
---|
1783 | $this->recur["weekdays"] = 1; |
---|
1784 | |
---|
1785 | // If nday is not set to the last day in the month |
---|
1786 | if ($this->recur["nday"] < 5) { |
---|
1787 | // keep the track of no. of time correct selection pattern(like 2nd weekday, 4th fiday, etc.)is matched |
---|
1788 | $ndaycounter = 0; |
---|
1789 | // Find matching weekday in this month |
---|
1790 | for($day = 0; $day < $this->daysInMonth($now, 1); $day++) |
---|
1791 | { |
---|
1792 | $daynow = $now + $day * 60 * 60 * 24; |
---|
1793 | $nowtime = $this->gmtime($daynow); // Get the weekday of the current day |
---|
1794 | |
---|
1795 | if($this->recur["weekdays"] & (1 << $nowtime["tm_wday"])) { // Selected ? |
---|
1796 | $ndaycounter ++; |
---|
1797 | } |
---|
1798 | // check the selected pattern is same as asked Nth weekday,If so set the firstday |
---|
1799 | if($this->recur["nday"] == $ndaycounter){ |
---|
1800 | $firstday = $day; |
---|
1801 | break; |
---|
1802 | } |
---|
1803 | } |
---|
1804 | // $firstday is the day of the month on which the asked pattern of nth weekday matches |
---|
1805 | $daynow = $now + $firstday * 60 * 60 * 24; |
---|
1806 | }else{ |
---|
1807 | // Find last day in the month ($now is the firstday of the month) |
---|
1808 | $NumDaysInMonth = $this->daysInMonth($now, 1); |
---|
1809 | $daynow = $now + (($NumDaysInMonth-1) * 24*60*60); |
---|
1810 | |
---|
1811 | $nowtime = $this->gmtime($daynow); |
---|
1812 | while (($this->recur["weekdays"] & (1 << $nowtime["tm_wday"]))==0){ |
---|
1813 | $daynow -= 86400; |
---|
1814 | $nowtime = $this->gmtime($daynow); |
---|
1815 | } |
---|
1816 | } |
---|
1817 | |
---|
1818 | /** |
---|
1819 | * checks weather the next coming day in recurrence pattern is less than or equal to end day of the * recurring item.Also check weather the coming day in recurrence pattern is greater than or equal to start * of recurring pattern, so that appointment that fall under the recurrence range are only displayed. |
---|
1820 | */ |
---|
1821 | if ($daynow <= $dayend && $daynow >= $daystart){ |
---|
1822 | $this->processOccurrenceItem($items, $start, $end, $daynow, $this->recur["startocc"], $this->recur["endocc"], $this->tz , $remindersonly); |
---|
1823 | } |
---|
1824 | } else if ($this->recur['regen']) { |
---|
1825 | $next_month_start = $now + ($this->daysInMonth($now, 1) * 24 * 60 * 60); |
---|
1826 | $now = $daystart +($this->daysInMonth($next_month_start, $this->recur['everyn']) * 24 * 60 * 60); |
---|
1827 | |
---|
1828 | if ($now <= $dayend) { |
---|
1829 | $this->processOccurrenceItem($items, $daystart, $end, $now, $this->recur["startocc"], $this->recur["endocc"], $this->tz, $remindersonly); |
---|
1830 | } |
---|
1831 | } |
---|
1832 | } |
---|
1833 | break; |
---|
1834 | case 13: |
---|
1835 | // Yearly |
---|
1836 | if($this->recur["everyn"] <= 0) |
---|
1837 | $this->recur["everyn"] = 12; |
---|
1838 | |
---|
1839 | for($now = $this->yearStartOf($daystart); $now <= $dayend && ($limit == 0 || count($items) < $limit); $now += $this->daysInMonth($now, $this->recur["everyn"]) * 24 * 60 * 60 ) |
---|
1840 | { |
---|
1841 | if(isset($this->recur["monthday"]) && !$this->recur['regen']) { // same as monthly, but in a specific month |
---|
1842 | // recur["month"] is in minutes since the beginning of the year |
---|
1843 | $month = $this->monthOfYear($this->recur["month"]); // $month is now month of year [0..11] |
---|
1844 | $monthday = $this->recur["monthday"]; // $monthday is day of the month [1..31] |
---|
1845 | $monthstart = $now + $this->daysInMonth($now, $month) * 24 * 60 * 60; // $monthstart is the timestamp of the beginning of the month |
---|
1846 | if($monthday > $this->daysInMonth($monthstart, 1)) |
---|
1847 | $monthday = $this->daysInMonth($monthstart, 1); // Cap $monthday on month length (eg 28 feb instead of 29 feb) |
---|
1848 | $daynow = $monthstart + ($monthday-1) * 24 * 60 * 60; |
---|
1849 | $this->processOccurrenceItem($items, $start, $end, $daynow, $this->recur["startocc"], $this->recur["endocc"], $this->tz, $remindersonly); |
---|
1850 | } |
---|
1851 | else if(isset($this->recur["nday"]) && isset($this->recur["weekdays"])) { // Nth [weekday] in month X of every N years |
---|
1852 | |
---|
1853 | // Go the correct month |
---|
1854 | $monthnow = $now + $this->daysInMonth($now, $this->monthOfYear($this->recur["month"])) * 24 * 60 * 60; |
---|
1855 | |
---|
1856 | // Find first matching weekday in this month |
---|
1857 | for($wday = 0; $wday < 7; $wday++) |
---|
1858 | { |
---|
1859 | $daynow = $monthnow + $wday * 60 * 60 * 24; |
---|
1860 | $nowtime = $this->gmtime($daynow); // Get the weekday of the current day |
---|
1861 | |
---|
1862 | if($this->recur["weekdays"] & (1 << $nowtime["tm_wday"])) { // Selected ? |
---|
1863 | $firstday = $wday; |
---|
1864 | break; |
---|
1865 | } |
---|
1866 | } |
---|
1867 | |
---|
1868 | // Same as above (monthly) |
---|
1869 | $daynow = $monthnow + ($firstday + ($this->recur["nday"]-1)*7) * 60 * 60 * 24; |
---|
1870 | |
---|
1871 | while($this->monthStartOf($daynow) != $this->monthStartOf($monthnow)) { |
---|
1872 | $daynow -= 7 * 60 * 60 * 24; |
---|
1873 | } |
---|
1874 | |
---|
1875 | $this->processOccurrenceItem($items, $start, $end, $daynow, $this->recur["startocc"], $this->recur["endocc"], $this->tz, $remindersonly); |
---|
1876 | } else if ($this->recur['regen']) { |
---|
1877 | $year_starttime = $this->gmtime($now); |
---|
1878 | $is_next_leapyear = $this->isLeapYear($year_starttime['tm_year'] + 1900 + 1); // +1 next year |
---|
1879 | $now = $daystart + ($is_next_leapyear ? 31622400 /* Leap year in seconds */ : 31536000 /*year in seconds*/); |
---|
1880 | |
---|
1881 | if ($now <= $dayend) { |
---|
1882 | $this->processOccurrenceItem($items, $daystart, $end, $now, $this->recur["startocc"], $this->recur["endocc"], $this->tz, $remindersonly); |
---|
1883 | } |
---|
1884 | } |
---|
1885 | } |
---|
1886 | } |
---|
1887 | //to get all exception items |
---|
1888 | if (!empty($this->recur['changed_occurences'])) |
---|
1889 | $this->processExceptionItems($items, $start, $end); |
---|
1890 | } |
---|
1891 | |
---|
1892 | // sort items on starttime |
---|
1893 | usort($items, array($this, "sortStarttime")); |
---|
1894 | |
---|
1895 | // Return the MAPI-compatible list of items for this object |
---|
1896 | return $items; |
---|
1897 | } |
---|
1898 | |
---|
1899 | function sortStarttime($a, $b) |
---|
1900 | { |
---|
1901 | $aTime = $a[$this->proptags["startdate"]]; |
---|
1902 | $bTime = $b[$this->proptags["startdate"]]; |
---|
1903 | |
---|
1904 | return $aTime==$bTime?0:($aTime>$bTime?1:-1); |
---|
1905 | } |
---|
1906 | |
---|
1907 | /** |
---|
1908 | * daysInMonth |
---|
1909 | * |
---|
1910 | * Returns the number of days in the upcoming number of months. If you specify 1 month as |
---|
1911 | * $months it will give you the number of days in the month of $date. If you specify more it |
---|
1912 | * will also count the days in the upcomming months and add that to the number of days. So |
---|
1913 | * if you have a date in march and you specify $months as 2 it will return 61. |
---|
1914 | * @param Integer $date Specified date as timestamp from which you want to know the number |
---|
1915 | * of days in the month. |
---|
1916 | * @param Integer $months Number of months you want to know the number of days in. |
---|
1917 | * @returns Integer Number of days in the specified amount of months. |
---|
1918 | */ |
---|
1919 | function daysInMonth($date, $months) { |
---|
1920 | $days = 0; |
---|
1921 | |
---|
1922 | for($i=0;$i<$months;$i++) { |
---|
1923 | $days += date("t", $date + $days * 24 * 60 * 60); |
---|
1924 | } |
---|
1925 | |
---|
1926 | return $days; |
---|
1927 | } |
---|
1928 | |
---|
1929 | // Converts MAPI-style 'minutes' into the month of the year [0..11] |
---|
1930 | function monthOfYear($minutes) { |
---|
1931 | $d = gmmktime(0,0,0,1,1,2001); // The year 2001 was a non-leap year, and the minutes provided are always in non-leap-year-minutes |
---|
1932 | |
---|
1933 | $d += $minutes*60; |
---|
1934 | |
---|
1935 | $dtime = $this->gmtime($d); |
---|
1936 | |
---|
1937 | return $dtime["tm_mon"]; |
---|
1938 | } |
---|
1939 | |
---|
1940 | function sortExceptionStart($a, $b) |
---|
1941 | { |
---|
1942 | return $a["start"] == $b["start"] ? 0 : ($a["start"] > $b["start"] ? 1 : -1 ); |
---|
1943 | } |
---|
1944 | } |
---|
1945 | ?> |
---|