[7589] | 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"] = $data["busystatus"]; |
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| 474 | } |
---|
| 475 | |
---|
| 476 | // ARO_ATTACHMENT: 0x0040 |
---|
| 477 | if(($bitmask &(1 << 6))) { |
---|
| 478 | // no data: RESERVED |
---|
| 479 | $rdata = substr($rdata, 4); |
---|
| 480 | } |
---|
| 481 | |
---|
| 482 | // ARO_SUBTYPE: 0x0080 |
---|
| 483 | // Look for field: SubType (4b). Determines whether it is an allday event. |
---|
| 484 | if(($bitmask &(1 << 7))) { |
---|
| 485 | $data = unpack("Vallday", $rdata); |
---|
| 486 | $rdata = substr($rdata, 4); |
---|
| 487 | |
---|
| 488 | $item["alldayevent"] = $data["allday"]; |
---|
| 489 | } |
---|
| 490 | |
---|
| 491 | // ARO_APPTCOLOR: 0x0100 |
---|
| 492 | // Look for field: AppointmentColor (4b) |
---|
| 493 | if(($bitmask &(1 << 8))) { |
---|
| 494 | $data = unpack("Vlabel", $rdata); |
---|
| 495 | $rdata = substr($rdata, 4); |
---|
| 496 | |
---|
| 497 | $item["label"] = $data["label"]; |
---|
| 498 | } |
---|
| 499 | |
---|
| 500 | // ARO_EXCEPTIONAL_BODY: 0x0200 |
---|
| 501 | if(($bitmask &(1 << 9))) { |
---|
| 502 | // Notes or Attachments modified: no data here (only in attachment) |
---|
| 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 | ?> |
---|