|
0
|
1 <?php
|
|
|
2
|
|
|
3 /**
|
|
|
4 +-----------------------------------------------------------------------+
|
|
|
5 | This file is part of the Roundcube Webmail client |
|
|
|
6 | Copyright (C) 2005-2011, The Roundcube Dev Team |
|
|
|
7 | Copyright (C) 2011, Kolab Systems AG |
|
|
|
8 | |
|
|
|
9 | Licensed under the GNU General Public License version 3 or |
|
|
|
10 | any later version with exceptions for skins & plugins. |
|
|
|
11 | See the README file for a full license statement. |
|
|
|
12 | |
|
|
|
13 | PURPOSE: |
|
|
|
14 | SORT/SEARCH/ESEARCH response handler |
|
|
|
15 +-----------------------------------------------------------------------+
|
|
|
16 | Author: Thomas Bruederli <roundcube@gmail.com> |
|
|
|
17 | Author: Aleksander Machniak <alec@alec.pl> |
|
|
|
18 +-----------------------------------------------------------------------+
|
|
|
19 */
|
|
|
20
|
|
|
21 /**
|
|
|
22 * Class for accessing IMAP's SORT/SEARCH/ESEARCH result
|
|
|
23 *
|
|
|
24 * @package Framework
|
|
|
25 * @subpackage Storage
|
|
|
26 */
|
|
|
27 class rcube_result_index
|
|
|
28 {
|
|
|
29 public $incomplete = false;
|
|
|
30
|
|
|
31 protected $raw_data;
|
|
|
32 protected $mailbox;
|
|
|
33 protected $meta = array();
|
|
|
34 protected $params = array();
|
|
|
35 protected $order = 'ASC';
|
|
|
36
|
|
|
37 const SEPARATOR_ELEMENT = ' ';
|
|
|
38
|
|
|
39
|
|
|
40 /**
|
|
|
41 * Object constructor.
|
|
|
42 */
|
|
|
43 public function __construct($mailbox = null, $data = null, $order = null)
|
|
|
44 {
|
|
|
45 $this->mailbox = $mailbox;
|
|
|
46 $this->order = $order == 'DESC' ? 'DESC' : 'ASC';
|
|
|
47 $this->init($data);
|
|
|
48 }
|
|
|
49
|
|
|
50 /**
|
|
|
51 * Initializes object with SORT command response
|
|
|
52 *
|
|
|
53 * @param string $data IMAP response string
|
|
|
54 */
|
|
|
55 public function init($data = null)
|
|
|
56 {
|
|
|
57 $this->meta = array();
|
|
5
|
58 #rcube::write_log('mail',"rri: ".print_r($data,true));
|
|
0
|
59 $data = explode('*', (string)$data);
|
|
|
60
|
|
|
61 // ...skip unilateral untagged server responses
|
|
|
62 for ($i=0, $len=count($data); $i<$len; $i++) {
|
|
|
63 $data_item = &$data[$i];
|
|
|
64 if (preg_match('/^ SORT/i', $data_item)) {
|
|
|
65 // valid response, initialize raw_data for is_error()
|
|
|
66 $this->raw_data = '';
|
|
|
67 $data_item = substr($data_item, 5);
|
|
|
68 break;
|
|
|
69 }
|
|
|
70 else if (preg_match('/^ (E?SEARCH)/i', $data_item, $m)) {
|
|
|
71 // valid response, initialize raw_data for is_error()
|
|
|
72 $this->raw_data = '';
|
|
|
73 $data_item = substr($data_item, strlen($m[0]));
|
|
|
74
|
|
|
75 if (strtoupper($m[1]) == 'ESEARCH') {
|
|
|
76 $data_item = trim($data_item);
|
|
|
77 // remove MODSEQ response
|
|
|
78 if (preg_match('/\(MODSEQ ([0-9]+)\)$/i', $data_item, $m)) {
|
|
|
79 $data_item = substr($data_item, 0, -strlen($m[0]));
|
|
|
80 $this->params['MODSEQ'] = $m[1];
|
|
|
81 }
|
|
|
82 // remove TAG response part
|
|
|
83 if (preg_match('/^\(TAG ["a-z0-9]+\)\s*/i', $data_item, $m)) {
|
|
|
84 $data_item = substr($data_item, strlen($m[0]));
|
|
|
85 }
|
|
|
86 // remove UID
|
|
|
87 $data_item = preg_replace('/^UID\s*/i', '', $data_item);
|
|
|
88
|
|
|
89 // ESEARCH parameters
|
|
|
90 while (preg_match('/^([a-z]+) ([0-9:,]+)\s*/i', $data_item, $m)) {
|
|
|
91 $param = strtoupper($m[1]);
|
|
|
92 $value = $m[2];
|
|
|
93
|
|
|
94 $this->params[$param] = $value;
|
|
|
95 $data_item = substr($data_item, strlen($m[0]));
|
|
|
96
|
|
|
97 if (in_array($param, array('COUNT', 'MIN', 'MAX'))) {
|
|
|
98 $this->meta[strtolower($param)] = (int) $value;
|
|
|
99 }
|
|
|
100 }
|
|
|
101
|
|
|
102 // @TODO: Implement compression using compressMessageSet() in __sleep() and __wakeup() ?
|
|
|
103 // @TODO: work with compressed result?!
|
|
|
104 if (isset($this->params['ALL'])) {
|
|
|
105 $data_item = implode(self::SEPARATOR_ELEMENT,
|
|
|
106 rcube_imap_generic::uncompressMessageSet($this->params['ALL']));
|
|
|
107 }
|
|
|
108 }
|
|
|
109
|
|
|
110 break;
|
|
|
111 }
|
|
|
112
|
|
|
113 unset($data[$i]);
|
|
|
114 }
|
|
|
115
|
|
|
116 $data = array_filter($data);
|
|
|
117
|
|
|
118 if (empty($data)) {
|
|
|
119 return;
|
|
|
120 }
|
|
|
121
|
|
|
122 $data = array_shift($data);
|
|
|
123 $data = trim($data);
|
|
|
124 $data = preg_replace('/[\r\n]/', '', $data);
|
|
|
125 $data = preg_replace('/\s+/', ' ', $data);
|
|
|
126
|
|
|
127 $this->raw_data = $data;
|
|
|
128 }
|
|
|
129
|
|
|
130 /**
|
|
|
131 * Checks the result from IMAP command
|
|
|
132 *
|
|
|
133 * @return bool True if the result is an error, False otherwise
|
|
|
134 */
|
|
|
135 public function is_error()
|
|
|
136 {
|
|
|
137 return $this->raw_data === null;
|
|
|
138 }
|
|
|
139
|
|
|
140 /**
|
|
|
141 * Checks if the result is empty
|
|
|
142 *
|
|
|
143 * @return bool True if the result is empty, False otherwise
|
|
|
144 */
|
|
|
145 public function is_empty()
|
|
|
146 {
|
|
|
147 return empty($this->raw_data);
|
|
|
148 }
|
|
|
149
|
|
|
150 /**
|
|
|
151 * Returns number of elements in the result
|
|
|
152 *
|
|
|
153 * @return int Number of elements
|
|
|
154 */
|
|
|
155 public function count()
|
|
|
156 {
|
|
|
157 if ($this->meta['count'] !== null)
|
|
|
158 return $this->meta['count'];
|
|
|
159
|
|
|
160 if (empty($this->raw_data)) {
|
|
|
161 $this->meta['count'] = 0;
|
|
|
162 $this->meta['length'] = 0;
|
|
|
163 }
|
|
|
164 else {
|
|
|
165 $this->meta['count'] = 1 + substr_count($this->raw_data, self::SEPARATOR_ELEMENT);
|
|
|
166 }
|
|
|
167
|
|
|
168 return $this->meta['count'];
|
|
|
169 }
|
|
|
170
|
|
|
171 /**
|
|
|
172 * Returns number of elements in the result.
|
|
|
173 * Alias for count() for compatibility with rcube_result_thread
|
|
|
174 *
|
|
|
175 * @return int Number of elements
|
|
|
176 */
|
|
|
177 public function count_messages()
|
|
|
178 {
|
|
|
179 return $this->count();
|
|
|
180 }
|
|
|
181
|
|
|
182 /**
|
|
|
183 * Returns maximal message identifier in the result
|
|
|
184 *
|
|
|
185 * @return int Maximal message identifier
|
|
|
186 */
|
|
|
187 public function max()
|
|
|
188 {
|
|
|
189 if (!isset($this->meta['max'])) {
|
|
|
190 $this->meta['max'] = (int) @max($this->get());
|
|
|
191 }
|
|
|
192
|
|
|
193 return $this->meta['max'];
|
|
|
194 }
|
|
|
195
|
|
|
196 /**
|
|
|
197 * Returns minimal message identifier in the result
|
|
|
198 *
|
|
|
199 * @return int Minimal message identifier
|
|
|
200 */
|
|
|
201 public function min()
|
|
|
202 {
|
|
|
203 if (!isset($this->meta['min'])) {
|
|
|
204 $this->meta['min'] = (int) @min($this->get());
|
|
|
205 }
|
|
|
206
|
|
|
207 return $this->meta['min'];
|
|
|
208 }
|
|
|
209
|
|
|
210 /**
|
|
|
211 * Slices data set.
|
|
|
212 *
|
|
|
213 * @param $offset Offset (as for PHP's array_slice())
|
|
|
214 * @param $length Number of elements (as for PHP's array_slice())
|
|
|
215 */
|
|
|
216 public function slice($offset, $length)
|
|
|
217 {
|
|
|
218 $data = $this->get();
|
|
|
219 $data = array_slice($data, $offset, $length);
|
|
|
220
|
|
|
221 $this->meta = array();
|
|
|
222 $this->meta['count'] = count($data);
|
|
|
223 $this->raw_data = implode(self::SEPARATOR_ELEMENT, $data);
|
|
|
224 }
|
|
|
225
|
|
|
226 /**
|
|
|
227 * Filters data set. Removes elements not listed in $ids list.
|
|
|
228 *
|
|
|
229 * @param array $ids List of IDs to remove.
|
|
|
230 */
|
|
|
231 public function filter($ids = array())
|
|
|
232 {
|
|
|
233 $data = $this->get();
|
|
|
234 $data = array_intersect($data, $ids);
|
|
|
235
|
|
|
236 $this->meta = array();
|
|
|
237 $this->meta['count'] = count($data);
|
|
|
238 $this->raw_data = implode(self::SEPARATOR_ELEMENT, $data);
|
|
|
239 }
|
|
|
240
|
|
|
241 /**
|
|
|
242 * Reverts order of elements in the result
|
|
|
243 */
|
|
|
244 public function revert()
|
|
|
245 {
|
|
|
246 $this->order = $this->order == 'ASC' ? 'DESC' : 'ASC';
|
|
|
247
|
|
|
248 if (empty($this->raw_data)) {
|
|
|
249 return;
|
|
|
250 }
|
|
|
251
|
|
|
252 $data = $this->get();
|
|
|
253 $data = array_reverse($data);
|
|
|
254 $this->raw_data = implode(self::SEPARATOR_ELEMENT, $data);
|
|
|
255
|
|
|
256 $this->meta['pos'] = array();
|
|
|
257 }
|
|
|
258
|
|
|
259 /**
|
|
|
260 * Check if the given message ID exists in the object
|
|
|
261 *
|
|
|
262 * @param int $msgid Message ID
|
|
|
263 * @param bool $get_index When enabled element's index will be returned.
|
|
|
264 * Elements are indexed starting with 0
|
|
|
265 *
|
|
|
266 * @return mixed False if message ID doesn't exist, True if exists or
|
|
|
267 * index of the element if $get_index=true
|
|
|
268 */
|
|
|
269 public function exists($msgid, $get_index = false)
|
|
|
270 {
|
|
|
271 if (empty($this->raw_data)) {
|
|
|
272 return false;
|
|
|
273 }
|
|
|
274
|
|
|
275 $msgid = (int) $msgid;
|
|
|
276 $begin = implode('|', array('^', preg_quote(self::SEPARATOR_ELEMENT, '/')));
|
|
|
277 $end = implode('|', array('$', preg_quote(self::SEPARATOR_ELEMENT, '/')));
|
|
|
278
|
|
|
279 if (preg_match("/($begin)$msgid($end)/", $this->raw_data, $m,
|
|
|
280 $get_index ? PREG_OFFSET_CAPTURE : null)
|
|
|
281 ) {
|
|
|
282 if ($get_index) {
|
|
|
283 $idx = 0;
|
|
|
284 if ($m[0][1]) {
|
|
|
285 $idx = 1 + substr_count($this->raw_data, self::SEPARATOR_ELEMENT, 0, $m[0][1]);
|
|
|
286 }
|
|
|
287 // cache position of this element, so we can use it in get_element()
|
|
|
288 $this->meta['pos'][$idx] = (int)$m[0][1];
|
|
|
289
|
|
|
290 return $idx;
|
|
|
291 }
|
|
|
292 return true;
|
|
|
293 }
|
|
|
294
|
|
|
295 return false;
|
|
|
296 }
|
|
|
297
|
|
|
298 /**
|
|
|
299 * Return all messages in the result.
|
|
|
300 *
|
|
|
301 * @return array List of message IDs
|
|
|
302 */
|
|
|
303 public function get()
|
|
|
304 {
|
|
|
305 if (empty($this->raw_data)) {
|
|
|
306 return array();
|
|
|
307 }
|
|
|
308
|
|
|
309 return explode(self::SEPARATOR_ELEMENT, $this->raw_data);
|
|
|
310 }
|
|
|
311
|
|
|
312 /**
|
|
|
313 * Return all messages in the result.
|
|
|
314 *
|
|
|
315 * @return array List of message IDs
|
|
|
316 */
|
|
|
317 public function get_compressed()
|
|
|
318 {
|
|
|
319 if (empty($this->raw_data)) {
|
|
|
320 return '';
|
|
|
321 }
|
|
|
322
|
|
|
323 return rcube_imap_generic::compressMessageSet($this->get());
|
|
|
324 }
|
|
|
325
|
|
|
326 /**
|
|
|
327 * Return result element at specified index
|
|
|
328 *
|
|
|
329 * @param int|string $index Element's index or "FIRST" or "LAST"
|
|
|
330 *
|
|
|
331 * @return int Element value
|
|
|
332 */
|
|
|
333 public function get_element($index)
|
|
|
334 {
|
|
|
335 $count = $this->count();
|
|
|
336
|
|
|
337 if (!$count) {
|
|
|
338 return null;
|
|
|
339 }
|
|
|
340
|
|
|
341 // first element
|
|
|
342 if ($index === 0 || $index === '0' || $index === 'FIRST') {
|
|
|
343 $pos = strpos($this->raw_data, self::SEPARATOR_ELEMENT);
|
|
|
344 if ($pos === false)
|
|
|
345 $result = (int) $this->raw_data;
|
|
|
346 else
|
|
|
347 $result = (int) substr($this->raw_data, 0, $pos);
|
|
|
348
|
|
|
349 return $result;
|
|
|
350 }
|
|
|
351
|
|
|
352 // last element
|
|
|
353 if ($index === 'LAST' || $index == $count-1) {
|
|
|
354 $pos = strrpos($this->raw_data, self::SEPARATOR_ELEMENT);
|
|
|
355 if ($pos === false)
|
|
|
356 $result = (int) $this->raw_data;
|
|
|
357 else
|
|
|
358 $result = (int) substr($this->raw_data, $pos);
|
|
|
359
|
|
|
360 return $result;
|
|
|
361 }
|
|
|
362
|
|
|
363 // do we know the position of the element or the neighbour of it?
|
|
|
364 if (!empty($this->meta['pos'])) {
|
|
|
365 if (isset($this->meta['pos'][$index]))
|
|
|
366 $pos = $this->meta['pos'][$index];
|
|
|
367 else if (isset($this->meta['pos'][$index-1]))
|
|
|
368 $pos = strpos($this->raw_data, self::SEPARATOR_ELEMENT,
|
|
|
369 $this->meta['pos'][$index-1] + 1);
|
|
|
370 else if (isset($this->meta['pos'][$index+1]))
|
|
|
371 $pos = strrpos($this->raw_data, self::SEPARATOR_ELEMENT,
|
|
|
372 $this->meta['pos'][$index+1] - $this->length() - 1);
|
|
|
373
|
|
|
374 if (isset($pos) && preg_match('/([0-9]+)/', $this->raw_data, $m, null, $pos)) {
|
|
|
375 return (int) $m[1];
|
|
|
376 }
|
|
|
377 }
|
|
|
378
|
|
|
379 // Finally use less effective method
|
|
|
380 $data = explode(self::SEPARATOR_ELEMENT, $this->raw_data);
|
|
|
381
|
|
|
382 return $data[$index];
|
|
|
383 }
|
|
|
384
|
|
|
385 /**
|
|
|
386 * Returns response parameters, e.g. ESEARCH's MIN/MAX/COUNT/ALL/MODSEQ
|
|
|
387 * or internal data e.g. MAILBOX, ORDER
|
|
|
388 *
|
|
|
389 * @param string $param Parameter name
|
|
|
390 *
|
|
|
391 * @return array|string Response parameters or parameter value
|
|
|
392 */
|
|
|
393 public function get_parameters($param=null)
|
|
|
394 {
|
|
|
395 $params = $this->params;
|
|
|
396 $params['MAILBOX'] = $this->mailbox;
|
|
|
397 $params['ORDER'] = $this->order;
|
|
|
398
|
|
|
399 if ($param !== null) {
|
|
|
400 return $params[$param];
|
|
|
401 }
|
|
|
402
|
|
|
403 return $params;
|
|
|
404 }
|
|
|
405
|
|
|
406 /**
|
|
|
407 * Returns length of internal data representation
|
|
|
408 *
|
|
|
409 * @return int Data length
|
|
|
410 */
|
|
|
411 protected function length()
|
|
|
412 {
|
|
|
413 if (!isset($this->meta['length'])) {
|
|
|
414 $this->meta['length'] = strlen($this->raw_data);
|
|
|
415 }
|
|
|
416
|
|
|
417 return $this->meta['length'];
|
|
|
418 }
|
|
|
419 }
|
