6 * Copyright (c) 1999-2002 The SquirrelMail Project Team
7 * Licensed under the GNU GPL. For full terms see the file COPYING.
9 * Functions and classes for the addressbook system.
15 This is the path to the global site-wide addressbook.
16 It looks and feels just like a user's .abook file
17 If this is in the data directory, use "$data_dir/global.abook"
18 If not, specify the path as though it was accessed from the
19 src/ directory ("../global.abook" -> in main directory)
21 If you don't want a global site-wide addressbook, comment these
22 two lines out. (They are disabled by default.)
24 The global addressbook is unmodifiable by anyone. You must actually
25 use a shell script or whatnot to modify the contents.
28 $address_book_global_filename = "$data_dir/global.abook";
30 Include backends here.
33 require_once('../functions/abook_local_file.php');
34 require_once('../functions/abook_ldap_server.php');
38 /* Use this if you wanna have a global address book */
39 if (isset($address_book_global_filename)) {
40 include_once('../functions/abook_global_file.php');
43 /* Only load database backend if database is configured */
44 if(isset($addrbook_dsn) && !empty($addrbook_dsn)) {
45 include_once('../functions/abook_database.php');
49 Create and initialize an addressbook object.
50 Returns the created object
52 function addressbook_init($showerr = true, $onlylocal = false) {
53 global $data_dir, $username, $ldap_server, $address_book_global_filename;
54 global $addrbook_dsn, $addrbook_table;
56 /* Create a new addressbook object */
57 $abook = new AddressBook
;
60 Always add a local backend. We use *either* file-based *or* a
61 database addressbook. If $addrbook_dsn is set, the database
62 backend is used. If not, addressbooks are stores in files.
64 if (isset($addrbook_dsn) && !empty($addrbook_dsn)) {
66 if (!isset($addrbook_table) ||
empty($addrbook_table)) {
67 $addrbook_table = 'address';
69 $r = $abook->add_backend('database', Array('dsn' => $addrbook_dsn,
71 'table' => $addrbook_table));
72 if (!$r && $showerr) {
73 echo _("Error initializing addressbook database.");
78 $filename = getHashedFile($username, $data_dir, "$username.abook");
79 $r = $abook->add_backend('local_file', Array('filename' => $filename,
82 printf( _("Error opening file %s"), $filename );
88 /* This would be for the global addressbook */
89 if (isset($address_book_global_filename)) {
90 $r = $abook->add_backend('global_file');
91 if (!$r && $showerr) {
92 echo _("Error initializing global addressbook.");
101 /* Load configured LDAP servers (if PHP has LDAP support) */
102 if (isset($ldap_server) && is_array($ldap_server) && function_exists('ldap_connect')) {
104 while (list($undef,$param) = each($ldap_server)) {
105 if (is_array($param)) {
106 $r = $abook->add_backend('ldap_server', $param);
107 if (!$r && $showerr) {
108 printf( ' ' . _("Error initializing LDAP server %s:") .
109 "<BR>\n", $param['host']);
110 echo ' ' . $abook->error
;
117 /* Return the initialized object */
123 * Had to move this function outside of the Addressbook Class
124 * PHP 4.0.4 Seemed to be having problems with inline functions.
126 function addressbook_cmp($a,$b) {
128 if($a['backend'] > $b['backend']) {
130 } else if($a['backend'] < $b['backend']) {
134 return (strtolower($a['name']) > strtolower($b['name'])) ?
1 : -1;
140 * This is the main address book class that connect all the
141 * backends and provide services to the functions above.
147 var $backends = array();
148 var $numbackends = 0;
150 var $localbackend = 0;
151 var $localbackendname = '';
153 // Constructor function.
154 function AddressBook() {
155 $localbackendname = _("Personal address book");
159 * Return an array of backends of a given type,
160 * or all backends if no type is specified.
162 function get_backend_list($type = '') {
164 for ($i = 1 ; $i <= $this->numbackends
; $i++
) {
165 if (empty($type) ||
$type == $this->backends
[$i]->btype
) {
166 $ret[] = &$this->backends
[$i];
174 ========================== Public ========================
176 Add a new backend. $backend is the name of a backend
177 (without the abook_ prefix), and $param is an optional
178 mixed variable that is passed to the backend constructor.
179 See each of the backend classes for valid parameters.
181 function add_backend($backend, $param = '') {
182 $backend_name = 'abook_' . $backend;
183 eval('$newback = new ' . $backend_name . '($param);');
184 if(!empty($newback->error
)) {
185 $this->error
= $newback->error
;
189 $this->numbackends++
;
191 $newback->bnum
= $this->numbackends
;
192 $this->backends
[$this->numbackends
] = $newback;
194 /* Store ID of first local backend added */
195 if ($this->localbackend
== 0 && $newback->btype
== 'local') {
196 $this->localbackend
= $this->numbackends
;
197 $this->localbackendname
= $newback->sname
;
200 return $this->numbackends
;
205 Return a list of addresses matching expression in
206 all backends of a given type.
208 function search($expression, $bnum = -1) {
212 /* Search all backends */
214 $sel = $this->get_backend_list('');
216 for ($i = 0 ; $i < sizeof($sel) ; $i++
) {
217 $backend = &$sel[$i];
218 $backend->error
= '';
219 $res = $backend->search($expression);
220 if (is_array($res)) {
221 $ret = array_merge($ret, $res);
223 $this->error
.= "<br>\n" . $backend->error
;
228 /* Only fail if all backends failed */
229 if( $failed >= sizeof( $sel ) ) {
235 /* Search only one backend */
237 $ret = $this->backends
[$bnum]->search($expression);
238 if (!is_array($ret)) {
239 $this->error
.= "<br>\n" . $this->backends
[$bnum]->error
;
248 /* Return a sorted search */
249 function s_search($expression, $bnum = -1) {
251 $ret = $this->search($expression, $bnum);
252 if ( is_array( $ret ) ) {
253 usort($ret, 'addressbook_cmp');
260 * Lookup an address by alias. Only possible in
263 function lookup($alias, $bnum = -1) {
268 $res = $this->backends
[$bnum]->lookup($alias);
269 if (is_array($res)) {
272 $this->error
= $backend->error
;
277 $sel = $this->get_backend_list('local');
278 for ($i = 0 ; $i < sizeof($sel) ; $i++
) {
279 $backend = &$sel[$i];
280 $backend->error
= '';
281 $res = $backend->lookup($alias);
282 if (is_array($res)) {
286 $this->error
= $backend->error
;
295 /* Return all addresses */
296 function list_addr($bnum = -1) {
300 $sel = $this->get_backend_list('local');
302 $sel = array(0 => &$this->backends
[$bnum]);
305 for ($i = 0 ; $i < sizeof($sel) ; $i++
) {
306 $backend = &$sel[$i];
307 $backend->error
= '';
308 $res = $backend->list_addr();
309 if (is_array($res)) {
310 $ret = array_merge($ret, $res);
312 $this->error
= $backend->error
;
321 * Create a new address from $userdata, in backend $bnum.
322 * Return the backend number that the/ address was added
323 * to, or false if it failed.
325 function add($userdata, $bnum) {
328 if (!is_array($userdata)) {
329 $this->error
= _("Invalid input data");
332 if (empty($userdata['firstname']) && empty($userdata['lastname'])) {
333 $this->error
= _("Name is missing");
336 if (empty($userdata['email'])) {
337 $this->error
= _("E-mail address is missing");
340 if (empty($userdata['nickname'])) {
341 $userdata['nickname'] = $userdata['email'];
344 if (eregi('[ \\:\\|\\#\\"\\!]', $userdata['nickname'])) {
345 $this->error
= _("Nickname contains illegal characters");
349 /* Check that specified backend accept new entries */
350 if (!$this->backends
[$bnum]->writeable
) {
351 $this->error
= _("Addressbook is read-only");
355 /* Add address to backend */
356 $res = $this->backends
[$bnum]->add($userdata);
360 $this->error
= $this->backends
[$bnum]->error
;
364 return false; // Not reached
369 * Remove the user identified by $alias from backend $bnum
370 * If $alias is an array, all users in the array are removed.
372 function remove($alias, $bnum) {
379 /* Convert string to single element array */
380 if (!is_array($alias)) {
381 $alias = array(0 => $alias);
384 /* Check that specified backend is writable */
385 if (!$this->backends
[$bnum]->writeable
) {
386 $this->error
= _("Addressbook is read-only");
390 /* Remove user from backend */
391 $res = $this->backends
[$bnum]->remove($alias);
395 $this->error
= $this->backends
[$bnum]->error
;
399 return FALSE; /* Not reached */
400 } /* end of remove() */
404 * Remove the user identified by $alias from backend $bnum
405 * If $alias is an array, all users in the array are removed.
407 function modify($alias, $userdata, $bnum) {
410 if (empty($alias) ||
!is_string($alias)) {
415 if(!is_array($userdata)) {
416 $this->error
= _("Invalid input data");
419 if (empty($userdata['firstname']) && empty($userdata['lastname'])) {
420 $this->error
= _("Name is missing");
423 if (empty($userdata['email'])) {
424 $this->error
= _("E-mail address is missing");
428 if (eregi('[\\: \\|\\#"\\!]', $userdata['nickname'])) {
429 $this->error
= _("Nickname contains illegal characters");
433 if (empty($userdata['nickname'])) {
434 $userdata['nickname'] = $userdata['email'];
437 /* Check that specified backend is writable */
438 if (!$this->backends
[$bnum]->writeable
) {
439 $this->error
= _("Addressbook is read-only");;
443 /* Modify user in backend */
444 $res = $this->backends
[$bnum]->modify($alias, $userdata);
448 $this->error
= $this->backends
[$bnum]->error
;
452 return FALSE; /* Not reached */
453 } /* end of modify() */
456 } /* End of class Addressbook */
459 * Generic backend that all other backends extend
461 class addressbook_backend
{
463 /* Variables that all backends must provide. */
464 var $btype = 'dummy';
465 var $bname = 'dummy';
466 var $sname = 'Dummy backend';
469 * Variables common for all backends, but that
470 * should not be changed by the backends.
474 var $writeable = false;
476 function set_error($string) {
477 $this->error
= '[' . $this->sname
. '] ' . $string;
482 /* ========================== Public ======================== */
484 function search($expression) {
485 $this->set_error('search not implemented');
489 function lookup($alias) {
490 $this->set_error('lookup not implemented');
494 function list_addr() {
495 $this->set_error('list_addr not implemented');
499 function add($userdata) {
500 $this->set_error('add not implemented');
504 function remove($alias) {
505 $this->set_error('delete not implemented');
509 function modify($alias, $newuserdata) {
510 $this->set_error('modify not implemented');
516 /* Sort array by the key "name" */
517 function alistcmp($a,$b) {
518 if ($a['backend'] > $b['backend']) {
521 if ($a['backend'] < $b['backend']) {
525 return (strtolower($a['name']) > strtolower($b['name'])) ?
1 : -1;