5100704d |
1 | <?php |
35586184 |
2 | /** |
3 | * addressbook.php |
4 | * |
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5 | * Copyright (c) 1999-2004 The SquirrelMail Project Team |
35586184 |
6 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
7 | * |
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8 | * Functions and classes for the addressbook system. |
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9 | * |
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10 | * @version $Id$ |
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11 | * @package squirrelmail |
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12 | * @subpackage addressbook |
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13 | */ |
14 | |
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15 | /** |
81fa4801 |
16 | This is the path to the global site-wide addressbook. |
17 | It looks and feels just like a user's .abook file |
18 | If this is in the data directory, use "$data_dir/global.abook" |
19 | If not, specify the path as though it was accessed from the |
20 | src/ directory ("../global.abook" -> in main directory) |
21 | |
22 | If you don't want a global site-wide addressbook, comment these |
23 | two lines out. (They are disabled by default.) |
24 | |
25 | The global addressbook is unmodifiable by anyone. You must actually |
26 | use a shell script or whatnot to modify the contents. |
27 | |
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28 | global $data_dir, $address_book_global_filename; |
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29 | $address_book_global_filename = "$data_dir/global.abook"; |
30 | |
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31 | */ |
32 | |
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33 | global $addrbook_dsn, $addrbook_global_dsn; |
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34 | |
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35 | /** |
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36 | Create and initialize an addressbook object. |
37 | Returns the created object |
38 | */ |
39 | function addressbook_init($showerr = true, $onlylocal = false) { |
40 | global $data_dir, $username, $ldap_server, $address_book_global_filename; |
41 | global $addrbook_dsn, $addrbook_table; |
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42 | global $addrbook_global_dsn, $addrbook_global_table, $addrbook_global_writeable, $addrbook_global_listing; |
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43 | |
44 | /* Create a new addressbook object */ |
45 | $abook = new AddressBook; |
46 | |
47 | /* |
48 | Always add a local backend. We use *either* file-based *or* a |
49 | database addressbook. If $addrbook_dsn is set, the database |
50 | backend is used. If not, addressbooks are stores in files. |
51 | */ |
52 | if (isset($addrbook_dsn) && !empty($addrbook_dsn)) { |
53 | /* Database */ |
54 | if (!isset($addrbook_table) || empty($addrbook_table)) { |
55 | $addrbook_table = 'address'; |
56 | } |
57 | $r = $abook->add_backend('database', Array('dsn' => $addrbook_dsn, |
58 | 'owner' => $username, |
59 | 'table' => $addrbook_table)); |
60 | if (!$r && $showerr) { |
61 | echo _("Error initializing addressbook database."); |
62 | exit; |
63 | } |
64 | } else { |
65 | /* File */ |
66 | $filename = getHashedFile($username, $data_dir, "$username.abook"); |
67 | $r = $abook->add_backend('local_file', Array('filename' => $filename, |
68 | 'create' => true)); |
69 | if(!$r && $showerr) { |
70 | printf( _("Error opening file %s"), $filename ); |
71 | exit; |
72 | } |
73 | |
74 | } |
75 | |
76 | /* This would be for the global addressbook */ |
77 | if (isset($address_book_global_filename)) { |
78 | $r = $abook->add_backend('global_file'); |
79 | if (!$r && $showerr) { |
80 | echo _("Error initializing global addressbook."); |
81 | exit; |
82 | } |
83 | } |
84 | |
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85 | /* Load global addressbook from SQL if configured */ |
86 | if (isset($addrbook_global_dsn) && !empty($addrbook_global_dsn)) { |
87 | /* Database configured */ |
88 | if (!isset($addrbook_global_table) || empty($addrbook_global_table)) { |
89 | $addrbook_global_table = 'global_abook'; |
90 | } |
91 | $r = $abook->add_backend('database', |
92 | Array('dsn' => $addrbook_global_dsn, |
93 | 'owner' => 'global', |
94 | 'name' => _("Global address book"), |
95 | 'writeable' => $addrbook_global_writeable, |
96 | 'listing' => $addrbook_global_listing, |
97 | 'table' => $addrbook_global_table)); |
98 | } |
99 | |
df788686 |
100 | /* |
101 | * hook allows to include different address book backends. |
102 | * plugins should extract $abook and $r from arguments |
103 | * and use same add_backend commands as above functions. |
104 | */ |
105 | $hookReturn = do_hook('abook_init', $abook, $r); |
106 | $abook = $hookReturn[1]; |
107 | $r = $hookReturn[2]; |
108 | |
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109 | if ($onlylocal) { |
110 | return $abook; |
111 | } |
112 | |
113 | /* Load configured LDAP servers (if PHP has LDAP support) */ |
114 | if (isset($ldap_server) && is_array($ldap_server) && function_exists('ldap_connect')) { |
115 | reset($ldap_server); |
116 | while (list($undef,$param) = each($ldap_server)) { |
117 | if (is_array($param)) { |
118 | $r = $abook->add_backend('ldap_server', $param); |
119 | if (!$r && $showerr) { |
120 | printf( ' ' . _("Error initializing LDAP server %s:") . |
121 | "<BR>\n", $param['host']); |
122 | echo ' ' . $abook->error; |
123 | exit; |
124 | } |
125 | } |
126 | } |
127 | } |
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128 | |
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129 | /* Return the initialized object */ |
130 | return $abook; |
4935919f |
131 | } |
132 | |
133 | |
81fa4801 |
134 | /* |
135 | * Had to move this function outside of the Addressbook Class |
136 | * PHP 4.0.4 Seemed to be having problems with inline functions. |
abd74f7d |
137 | * Note: this can return now since we don't support 4.0.4 anymore. |
81fa4801 |
138 | */ |
139 | function addressbook_cmp($a,$b) { |
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140 | |
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141 | if($a['backend'] > $b['backend']) { |
142 | return 1; |
143 | } else if($a['backend'] < $b['backend']) { |
144 | return -1; |
145 | } |
146 | |
147 | return (strtolower($a['name']) > strtolower($b['name'])) ? 1 : -1; |
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148 | |
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149 | } |
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150 | |
151 | |
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152 | /** |
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153 | * This is the main address book class that connect all the |
154 | * backends and provide services to the functions above. |
8f6f9ba5 |
155 | * @package squirrelmail |
81fa4801 |
156 | */ |
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157 | |
81fa4801 |
158 | class AddressBook { |
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159 | |
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160 | var $backends = array(); |
161 | var $numbackends = 0; |
162 | var $error = ''; |
163 | var $localbackend = 0; |
164 | var $localbackendname = ''; |
165 | |
166 | // Constructor function. |
167 | function AddressBook() { |
168 | $localbackendname = _("Personal address book"); |
169 | } |
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170 | |
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171 | /* |
172 | * Return an array of backends of a given type, |
173 | * or all backends if no type is specified. |
174 | */ |
175 | function get_backend_list($type = '') { |
176 | $ret = array(); |
177 | for ($i = 1 ; $i <= $this->numbackends ; $i++) { |
178 | if (empty($type) || $type == $this->backends[$i]->btype) { |
179 | $ret[] = &$this->backends[$i]; |
180 | } |
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181 | } |
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182 | return $ret; |
183 | } |
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184 | |
185 | |
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186 | /* |
187 | ========================== Public ======================== |
188 | |
189 | Add a new backend. $backend is the name of a backend |
190 | (without the abook_ prefix), and $param is an optional |
191 | mixed variable that is passed to the backend constructor. |
192 | See each of the backend classes for valid parameters. |
193 | */ |
194 | function add_backend($backend, $param = '') { |
195 | $backend_name = 'abook_' . $backend; |
196 | eval('$newback = new ' . $backend_name . '($param);'); |
197 | if(!empty($newback->error)) { |
198 | $this->error = $newback->error; |
199 | return false; |
200 | } |
201 | |
202 | $this->numbackends++; |
203 | |
204 | $newback->bnum = $this->numbackends; |
205 | $this->backends[$this->numbackends] = $newback; |
206 | |
207 | /* Store ID of first local backend added */ |
208 | if ($this->localbackend == 0 && $newback->btype == 'local') { |
209 | $this->localbackend = $this->numbackends; |
210 | $this->localbackendname = $newback->sname; |
211 | } |
212 | |
213 | return $this->numbackends; |
214 | } |
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215 | |
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216 | |
2e542990 |
217 | /* |
218 | * This function takes a $row array as returned by the addressbook |
219 | * search and returns an e-mail address with the full name or |
220 | * nickname optionally prepended. |
221 | */ |
222 | |
223 | function full_address($row) { |
1ba8cd6b |
224 | global $addrsrch_fullname, $data_dir, $username; |
20ad4fdd |
225 | $prefix = getPref($data_dir, $username, 'addrsrch_fullname'); |
226 | if (($prefix != "" || (isset($addrsrch_fullname) && |
227 | $prefix == $addrsrch_fullname)) && $prefix != 'noprefix') { |
228 | $name = ($prefix == 'nickname' ? $row['nickname'] : $row['name']); |
2e542990 |
229 | return $name . ' <' . trim($row['email']) . '>'; |
230 | } else { |
231 | return trim($row['email']); |
232 | } |
233 | } |
234 | |
81fa4801 |
235 | /* |
236 | Return a list of addresses matching expression in |
237 | all backends of a given type. |
238 | */ |
239 | function search($expression, $bnum = -1) { |
240 | $ret = array(); |
241 | $this->error = ''; |
242 | |
243 | /* Search all backends */ |
244 | if ($bnum == -1) { |
245 | $sel = $this->get_backend_list(''); |
246 | $failed = 0; |
247 | for ($i = 0 ; $i < sizeof($sel) ; $i++) { |
248 | $backend = &$sel[$i]; |
249 | $backend->error = ''; |
250 | $res = $backend->search($expression); |
251 | if (is_array($res)) { |
252 | $ret = array_merge($ret, $res); |
253 | } else { |
254 | $this->error .= "<br>\n" . $backend->error; |
255 | $failed++; |
75e19c7f |
256 | } |
257 | } |
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258 | |
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259 | /* Only fail if all backends failed */ |
260 | if( $failed >= sizeof( $sel ) ) { |
261 | $ret = FALSE; |
4935919f |
262 | } |
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263 | |
81fa4801 |
264 | } else { |
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265 | |
81fa4801 |
266 | /* Search only one backend */ |
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267 | |
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268 | $ret = $this->backends[$bnum]->search($expression); |
269 | if (!is_array($ret)) { |
270 | $this->error .= "<br>\n" . $this->backends[$bnum]->error; |
271 | $ret = FALSE; |
272 | } |
273 | } |
274 | |
275 | return( $ret ); |
4935919f |
276 | } |
277 | |
278 | |
81fa4801 |
279 | /* Return a sorted search */ |
280 | function s_search($expression, $bnum = -1) { |
281 | |
282 | $ret = $this->search($expression, $bnum); |
283 | if ( is_array( $ret ) ) { |
284 | usort($ret, 'addressbook_cmp'); |
285 | } |
286 | return $ret; |
287 | } |
4935919f |
288 | |
289 | |
81fa4801 |
290 | /* |
291 | * Lookup an address by alias. Only possible in |
292 | * local backends. |
293 | */ |
294 | function lookup($alias, $bnum = -1) { |
295 | |
296 | $ret = array(); |
297 | |
298 | if ($bnum > -1) { |
299 | $res = $this->backends[$bnum]->lookup($alias); |
300 | if (is_array($res)) { |
301 | return $res; |
302 | } else { |
303 | $this->error = $backend->error; |
304 | return false; |
305 | } |
306 | } |
307 | |
308 | $sel = $this->get_backend_list('local'); |
309 | for ($i = 0 ; $i < sizeof($sel) ; $i++) { |
310 | $backend = &$sel[$i]; |
311 | $backend->error = ''; |
312 | $res = $backend->lookup($alias); |
313 | if (is_array($res)) { |
314 | if(!empty($res)) |
315 | return $res; |
316 | } else { |
317 | $this->error = $backend->error; |
318 | return false; |
319 | } |
320 | } |
321 | |
322 | return $ret; |
4935919f |
323 | } |
324 | |
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325 | |
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326 | /* Return all addresses */ |
327 | function list_addr($bnum = -1) { |
328 | $ret = array(); |
329 | |
330 | if ($bnum == -1) { |
331 | $sel = $this->get_backend_list('local'); |
332 | } else { |
333 | $sel = array(0 => &$this->backends[$bnum]); |
334 | } |
335 | |
336 | for ($i = 0 ; $i < sizeof($sel) ; $i++) { |
337 | $backend = &$sel[$i]; |
338 | $backend->error = ''; |
339 | $res = $backend->list_addr(); |
340 | if (is_array($res)) { |
341 | $ret = array_merge($ret, $res); |
342 | } else { |
343 | $this->error = $backend->error; |
344 | return false; |
345 | } |
346 | } |
347 | |
348 | return $ret; |
349 | } |
4935919f |
350 | |
81fa4801 |
351 | /* |
352 | * Create a new address from $userdata, in backend $bnum. |
353 | * Return the backend number that the/ address was added |
354 | * to, or false if it failed. |
355 | */ |
356 | function add($userdata, $bnum) { |
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357 | |
81fa4801 |
358 | /* Validate data */ |
359 | if (!is_array($userdata)) { |
360 | $this->error = _("Invalid input data"); |
361 | return false; |
362 | } |
363 | if (empty($userdata['firstname']) && empty($userdata['lastname'])) { |
364 | $this->error = _("Name is missing"); |
365 | return false; |
366 | } |
367 | if (empty($userdata['email'])) { |
368 | $this->error = _("E-mail address is missing"); |
369 | return false; |
370 | } |
371 | if (empty($userdata['nickname'])) { |
372 | $userdata['nickname'] = $userdata['email']; |
373 | } |
374 | |
375 | if (eregi('[ \\:\\|\\#\\"\\!]', $userdata['nickname'])) { |
376 | $this->error = _("Nickname contains illegal characters"); |
377 | return false; |
378 | } |
379 | |
380 | /* Check that specified backend accept new entries */ |
381 | if (!$this->backends[$bnum]->writeable) { |
382 | $this->error = _("Addressbook is read-only"); |
383 | return false; |
384 | } |
385 | |
386 | /* Add address to backend */ |
387 | $res = $this->backends[$bnum]->add($userdata); |
388 | if ($res) { |
389 | return $bnum; |
390 | } else { |
391 | $this->error = $this->backends[$bnum]->error; |
392 | return false; |
393 | } |
394 | |
395 | return false; // Not reached |
396 | } /* end of add() */ |
397 | |
398 | |
399 | /* |
400 | * Remove the user identified by $alias from backend $bnum |
401 | * If $alias is an array, all users in the array are removed. |
402 | */ |
403 | function remove($alias, $bnum) { |
404 | |
405 | /* Check input */ |
406 | if (empty($alias)) { |
407 | return true; |
408 | } |
409 | |
410 | /* Convert string to single element array */ |
411 | if (!is_array($alias)) { |
412 | $alias = array(0 => $alias); |
413 | } |
414 | |
30e9932c |
415 | /* Check that specified backend is writeable */ |
81fa4801 |
416 | if (!$this->backends[$bnum]->writeable) { |
417 | $this->error = _("Addressbook is read-only"); |
418 | return false; |
419 | } |
420 | |
421 | /* Remove user from backend */ |
422 | $res = $this->backends[$bnum]->remove($alias); |
423 | if ($res) { |
424 | return $bnum; |
425 | } else { |
426 | $this->error = $this->backends[$bnum]->error; |
427 | return false; |
428 | } |
429 | |
430 | return FALSE; /* Not reached */ |
431 | } /* end of remove() */ |
432 | |
433 | |
434 | /* |
435 | * Remove the user identified by $alias from backend $bnum |
436 | * If $alias is an array, all users in the array are removed. |
437 | */ |
438 | function modify($alias, $userdata, $bnum) { |
439 | |
440 | /* Check input */ |
441 | if (empty($alias) || !is_string($alias)) { |
442 | return true; |
443 | } |
444 | |
445 | /* Validate data */ |
446 | if(!is_array($userdata)) { |
447 | $this->error = _("Invalid input data"); |
448 | return false; |
449 | } |
450 | if (empty($userdata['firstname']) && empty($userdata['lastname'])) { |
451 | $this->error = _("Name is missing"); |
452 | return false; |
453 | } |
454 | if (empty($userdata['email'])) { |
455 | $this->error = _("E-mail address is missing"); |
456 | return false; |
457 | } |
458 | |
459 | if (eregi('[\\: \\|\\#"\\!]', $userdata['nickname'])) { |
460 | $this->error = _("Nickname contains illegal characters"); |
461 | return false; |
462 | } |
463 | |
464 | if (empty($userdata['nickname'])) { |
465 | $userdata['nickname'] = $userdata['email']; |
466 | } |
467 | |
30e9932c |
468 | /* Check that specified backend is writeable */ |
81fa4801 |
469 | if (!$this->backends[$bnum]->writeable) { |
470 | $this->error = _("Addressbook is read-only");; |
471 | return false; |
472 | } |
473 | |
474 | /* Modify user in backend */ |
475 | $res = $this->backends[$bnum]->modify($alias, $userdata); |
476 | if ($res) { |
477 | return $bnum; |
478 | } else { |
479 | $this->error = $this->backends[$bnum]->error; |
480 | return false; |
481 | } |
482 | |
483 | return FALSE; /* Not reached */ |
484 | } /* end of modify() */ |
4935919f |
485 | |
4935919f |
486 | |
81fa4801 |
487 | } /* End of class Addressbook */ |
488 | |
8f6f9ba5 |
489 | /** |
81fa4801 |
490 | * Generic backend that all other backends extend |
8f6f9ba5 |
491 | * @package squirrelmail |
81fa4801 |
492 | */ |
493 | class addressbook_backend { |
494 | |
495 | /* Variables that all backends must provide. */ |
496 | var $btype = 'dummy'; |
497 | var $bname = 'dummy'; |
498 | var $sname = 'Dummy backend'; |
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499 | |
81fa4801 |
500 | /* |
501 | * Variables common for all backends, but that |
502 | * should not be changed by the backends. |
503 | */ |
504 | var $bnum = -1; |
505 | var $error = ''; |
506 | var $writeable = false; |
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507 | |
81fa4801 |
508 | function set_error($string) { |
509 | $this->error = '[' . $this->sname . '] ' . $string; |
510 | return false; |
511 | } |
4935919f |
512 | |
75e19c7f |
513 | |
81fa4801 |
514 | /* ========================== Public ======================== */ |
515 | |
516 | function search($expression) { |
517 | $this->set_error('search not implemented'); |
518 | return false; |
519 | } |
520 | |
521 | function lookup($alias) { |
522 | $this->set_error('lookup not implemented'); |
523 | return false; |
a10110a5 |
524 | } |
81fa4801 |
525 | |
526 | function list_addr() { |
527 | $this->set_error('list_addr not implemented'); |
528 | return false; |
529 | } |
530 | |
531 | function add($userdata) { |
532 | $this->set_error('add not implemented'); |
533 | return false; |
534 | } |
535 | |
536 | function remove($alias) { |
537 | $this->set_error('delete not implemented'); |
538 | return false; |
539 | } |
540 | |
541 | function modify($alias, $newuserdata) { |
542 | $this->set_error('modify not implemented'); |
543 | return false; |
544 | } |
545 | |
546 | } |
547 | |
92948f86 |
548 | /** |
549 | * Sort array by the key "name" |
550 | */ |
81fa4801 |
551 | function alistcmp($a,$b) { |
08e71631 |
552 | $abook_sort_order=get_abook_sort(); |
553 | |
554 | switch ($abook_sort_order) { |
555 | case 0: |
556 | case 1: |
557 | $abook_sort='nickname'; |
558 | break; |
559 | case 4: |
560 | case 5: |
561 | $abook_sort='email'; |
562 | break; |
563 | case 6: |
564 | case 7: |
565 | $abook_sort='label'; |
566 | break; |
567 | case 2: |
568 | case 3: |
569 | case 8: |
570 | default: |
571 | $abook_sort='name'; |
572 | } |
92948f86 |
573 | |
81fa4801 |
574 | if ($a['backend'] > $b['backend']) { |
575 | return 1; |
576 | } else { |
577 | if ($a['backend'] < $b['backend']) { |
578 | return -1; |
579 | } |
580 | } |
08e71631 |
581 | |
582 | if( (($abook_sort_order+2) % 2) == 1) { |
583 | return (strtolower($a[$abook_sort]) < strtolower($b[$abook_sort])) ? 1 : -1; |
584 | } else { |
585 | return (strtolower($a[$abook_sort]) > strtolower($b[$abook_sort])) ? 1 : -1; |
586 | } |
81fa4801 |
587 | } |
588 | |
92948f86 |
589 | /** |
08e71631 |
590 | * Address book sorting options |
92948f86 |
591 | * |
08e71631 |
592 | * returns address book sorting order |
593 | * @return integer book sorting options order |
92948f86 |
594 | */ |
595 | function get_abook_sort() { |
596 | global $data_dir, $username; |
597 | |
598 | /* get sorting order */ |
08e71631 |
599 | if(sqgetGlobalVar('abook_sort_order', $temp, SQ_GET)) { |
600 | $abook_sort_order = (int) $temp; |
601 | |
602 | if ($abook_sort_order < 0 or $abook_sort_order > 8) |
603 | $abook_sort_order=8; |
604 | |
605 | setPref($data_dir, $username, 'abook_sort_order', $abook_sort_order); |
92948f86 |
606 | } else { |
08e71631 |
607 | /* get previous sorting options. default to unsorted */ |
608 | $abook_sort_order = getPref($data_dir, $username, 'abook_sort_order', 8); |
92948f86 |
609 | } |
610 | |
08e71631 |
611 | return $abook_sort_order; |
612 | } |
613 | |
614 | /** |
615 | * This function shows the address book sort button. |
616 | * |
617 | * @param integer $abook_sort_order current sort value |
618 | * @param string $alt_tag alt tag value (string visible to text only browsers) |
619 | * @param integer $Down sort value when list is sorted ascending |
620 | * @param integer $Up sort value when list is sorted descending |
621 | * @return string html code with sorting images and urls |
622 | */ |
623 | function show_abook_sort_button($abook_sort_order, $alt_tag, $Down, $Up ) { |
624 | global $form_url; |
625 | |
626 | /* Figure out which image we want to use. */ |
627 | if ($abook_sort_order != $Up && $abook_sort_order != $Down) { |
628 | $img = 'sort_none.png'; |
629 | $which = $Up; |
630 | } elseif ($abook_sort_order == $Up) { |
631 | $img = 'up_pointer.png'; |
632 | $which = $Down; |
633 | } else { |
634 | $img = 'down_pointer.png'; |
635 | $which = 8; |
636 | } |
92948f86 |
637 | |
08e71631 |
638 | /* Now that we have everything figured out, show the actual button. */ |
639 | return ' <a href="' . $form_url .'?abook_sort_order=' . $which |
640 | . '"><img src="../images/' . $img |
641 | . '" border="0" width="12" height="10" alt="' . $alt_tag . '" title="' |
796f91d9 |
642 | . _("Click here to change the sorting of the address list") .'" /></a>'; |
92948f86 |
643 | } |
0419106e |
644 | |
645 | /* |
646 | PHP 5 requires that the class be made first, which seems rather |
647 | logical, and should have been the way it was generated the first time. |
648 | */ |
649 | |
650 | require_once(SM_PATH . 'functions/abook_local_file.php'); |
651 | require_once(SM_PATH . 'functions/abook_ldap_server.php'); |
652 | |
653 | /* Use this if you wanna have a global address book */ |
654 | if (isset($address_book_global_filename)) { |
655 | include_once(SM_PATH . 'functions/abook_global_file.php'); |
656 | } |
657 | |
658 | /* Only load database backend if database is configured */ |
30e9932c |
659 | if((isset($addrbook_dsn) && !empty($addrbook_dsn)) || |
660 | (isset($addrbook_global_dsn) && !empty($addrbook_global_dsn)) ) { |
0419106e |
661 | include_once(SM_PATH . 'functions/abook_database.php'); |
662 | } |
663 | |
df788686 |
664 | /* |
665 | * hook allows adding different address book classes. |
666 | * class must follow address book class coding standards. |
667 | * |
668 | * see addressbook_backend class and functions/abook_*.php files. |
669 | */ |
670 | do_hook('abook_add_class'); |
0419106e |
671 | |
796f91d9 |
672 | ?> |