@@ -45,1149 +45,1149 @@ |
||
45 | 45 | use OCP\GroupInterface; |
46 | 46 | |
47 | 47 | class Group_LDAP extends BackendUtility implements \OCP\GroupInterface, IGroupLDAP { |
48 | - protected $enabled = false; |
|
49 | - |
|
50 | - /** |
|
51 | - * @var string[] $cachedGroupMembers array of users with gid as key |
|
52 | - */ |
|
53 | - protected $cachedGroupMembers; |
|
54 | - |
|
55 | - /** |
|
56 | - * @var string[] $cachedGroupsByMember array of groups with uid as key |
|
57 | - */ |
|
58 | - protected $cachedGroupsByMember; |
|
59 | - |
|
60 | - /** @var GroupPluginManager */ |
|
61 | - protected $groupPluginManager; |
|
62 | - |
|
63 | - public function __construct(Access $access, GroupPluginManager $groupPluginManager) { |
|
64 | - parent::__construct($access); |
|
65 | - $filter = $this->access->connection->ldapGroupFilter; |
|
66 | - $gassoc = $this->access->connection->ldapGroupMemberAssocAttr; |
|
67 | - if(!empty($filter) && !empty($gassoc)) { |
|
68 | - $this->enabled = true; |
|
69 | - } |
|
70 | - |
|
71 | - $this->cachedGroupMembers = new CappedMemoryCache(); |
|
72 | - $this->cachedGroupsByMember = new CappedMemoryCache(); |
|
73 | - $this->groupPluginManager = $groupPluginManager; |
|
74 | - } |
|
75 | - |
|
76 | - /** |
|
77 | - * is user in group? |
|
78 | - * @param string $uid uid of the user |
|
79 | - * @param string $gid gid of the group |
|
80 | - * @return bool |
|
81 | - * |
|
82 | - * Checks whether the user is member of a group or not. |
|
83 | - */ |
|
84 | - public function inGroup($uid, $gid) { |
|
85 | - if(!$this->enabled) { |
|
86 | - return false; |
|
87 | - } |
|
88 | - $cacheKey = 'inGroup'.$uid.':'.$gid; |
|
89 | - $inGroup = $this->access->connection->getFromCache($cacheKey); |
|
90 | - if(!is_null($inGroup)) { |
|
91 | - return (bool)$inGroup; |
|
92 | - } |
|
93 | - |
|
94 | - $userDN = $this->access->username2dn($uid); |
|
95 | - |
|
96 | - if(isset($this->cachedGroupMembers[$gid])) { |
|
97 | - $isInGroup = in_array($userDN, $this->cachedGroupMembers[$gid]); |
|
98 | - return $isInGroup; |
|
99 | - } |
|
100 | - |
|
101 | - $cacheKeyMembers = 'inGroup-members:'.$gid; |
|
102 | - $members = $this->access->connection->getFromCache($cacheKeyMembers); |
|
103 | - if(!is_null($members)) { |
|
104 | - $this->cachedGroupMembers[$gid] = $members; |
|
105 | - $isInGroup = in_array($userDN, $members); |
|
106 | - $this->access->connection->writeToCache($cacheKey, $isInGroup); |
|
107 | - return $isInGroup; |
|
108 | - } |
|
109 | - |
|
110 | - $groupDN = $this->access->groupname2dn($gid); |
|
111 | - // just in case |
|
112 | - if(!$groupDN || !$userDN) { |
|
113 | - $this->access->connection->writeToCache($cacheKey, false); |
|
114 | - return false; |
|
115 | - } |
|
116 | - |
|
117 | - //check primary group first |
|
118 | - if($gid === $this->getUserPrimaryGroup($userDN)) { |
|
119 | - $this->access->connection->writeToCache($cacheKey, true); |
|
120 | - return true; |
|
121 | - } |
|
122 | - |
|
123 | - //usually, LDAP attributes are said to be case insensitive. But there are exceptions of course. |
|
124 | - $members = $this->_groupMembers($groupDN); |
|
125 | - $members = array_keys($members); // uids are returned as keys |
|
126 | - if(!is_array($members) || count($members) === 0) { |
|
127 | - $this->access->connection->writeToCache($cacheKey, false); |
|
128 | - return false; |
|
129 | - } |
|
130 | - |
|
131 | - //extra work if we don't get back user DNs |
|
132 | - if(strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid') { |
|
133 | - $dns = array(); |
|
134 | - $filterParts = array(); |
|
135 | - $bytes = 0; |
|
136 | - foreach($members as $mid) { |
|
137 | - $filter = str_replace('%uid', $mid, $this->access->connection->ldapLoginFilter); |
|
138 | - $filterParts[] = $filter; |
|
139 | - $bytes += strlen($filter); |
|
140 | - if($bytes >= 9000000) { |
|
141 | - // AD has a default input buffer of 10 MB, we do not want |
|
142 | - // to take even the chance to exceed it |
|
143 | - $filter = $this->access->combineFilterWithOr($filterParts); |
|
144 | - $bytes = 0; |
|
145 | - $filterParts = array(); |
|
146 | - $users = $this->access->fetchListOfUsers($filter, 'dn', count($filterParts)); |
|
147 | - $dns = array_merge($dns, $users); |
|
148 | - } |
|
149 | - } |
|
150 | - if(count($filterParts) > 0) { |
|
151 | - $filter = $this->access->combineFilterWithOr($filterParts); |
|
152 | - $users = $this->access->fetchListOfUsers($filter, 'dn', count($filterParts)); |
|
153 | - $dns = array_merge($dns, $users); |
|
154 | - } |
|
155 | - $members = $dns; |
|
156 | - } |
|
157 | - |
|
158 | - $isInGroup = in_array($userDN, $members); |
|
159 | - $this->access->connection->writeToCache($cacheKey, $isInGroup); |
|
160 | - $this->access->connection->writeToCache($cacheKeyMembers, $members); |
|
161 | - $this->cachedGroupMembers[$gid] = $members; |
|
162 | - |
|
163 | - return $isInGroup; |
|
164 | - } |
|
165 | - |
|
166 | - /** |
|
167 | - * @param string $dnGroup |
|
168 | - * @return array |
|
169 | - * |
|
170 | - * For a group that has user membership defined by an LDAP search url attribute returns the users |
|
171 | - * that match the search url otherwise returns an empty array. |
|
172 | - */ |
|
173 | - public function getDynamicGroupMembers($dnGroup) { |
|
174 | - $dynamicGroupMemberURL = strtolower($this->access->connection->ldapDynamicGroupMemberURL); |
|
175 | - |
|
176 | - if (empty($dynamicGroupMemberURL)) { |
|
177 | - return array(); |
|
178 | - } |
|
179 | - |
|
180 | - $dynamicMembers = array(); |
|
181 | - $memberURLs = $this->access->readAttribute( |
|
182 | - $dnGroup, |
|
183 | - $dynamicGroupMemberURL, |
|
184 | - $this->access->connection->ldapGroupFilter |
|
185 | - ); |
|
186 | - if ($memberURLs !== false) { |
|
187 | - // this group has the 'memberURL' attribute so this is a dynamic group |
|
188 | - // example 1: ldap:///cn=users,cn=accounts,dc=dcsubbase,dc=dcbase??one?(o=HeadOffice) |
|
189 | - // example 2: ldap:///cn=users,cn=accounts,dc=dcsubbase,dc=dcbase??one?(&(o=HeadOffice)(uidNumber>=500)) |
|
190 | - $pos = strpos($memberURLs[0], '('); |
|
191 | - if ($pos !== false) { |
|
192 | - $memberUrlFilter = substr($memberURLs[0], $pos); |
|
193 | - $foundMembers = $this->access->searchUsers($memberUrlFilter,'dn'); |
|
194 | - $dynamicMembers = array(); |
|
195 | - foreach($foundMembers as $value) { |
|
196 | - $dynamicMembers[$value['dn'][0]] = 1; |
|
197 | - } |
|
198 | - } else { |
|
199 | - \OCP\Util::writeLog('user_ldap', 'No search filter found on member url '. |
|
200 | - 'of group ' . $dnGroup, \OCP\Util::DEBUG); |
|
201 | - } |
|
202 | - } |
|
203 | - return $dynamicMembers; |
|
204 | - } |
|
205 | - |
|
206 | - /** |
|
207 | - * @param string $dnGroup |
|
208 | - * @param array|null &$seen |
|
209 | - * @return array|mixed|null |
|
210 | - * @throws \OC\ServerNotAvailableException |
|
211 | - */ |
|
212 | - private function _groupMembers($dnGroup, &$seen = null) { |
|
213 | - if ($seen === null) { |
|
214 | - $seen = array(); |
|
215 | - } |
|
216 | - $allMembers = array(); |
|
217 | - if (array_key_exists($dnGroup, $seen)) { |
|
218 | - // avoid loops |
|
219 | - return array(); |
|
220 | - } |
|
221 | - // used extensively in cron job, caching makes sense for nested groups |
|
222 | - $cacheKey = '_groupMembers'.$dnGroup; |
|
223 | - $groupMembers = $this->access->connection->getFromCache($cacheKey); |
|
224 | - if($groupMembers !== null) { |
|
225 | - return $groupMembers; |
|
226 | - } |
|
227 | - $seen[$dnGroup] = 1; |
|
228 | - $members = $this->access->readAttribute($dnGroup, $this->access->connection->ldapGroupMemberAssocAttr, |
|
229 | - $this->access->connection->ldapGroupFilter); |
|
230 | - if (is_array($members)) { |
|
231 | - foreach ($members as $member) { |
|
232 | - $allMembers[$member] = 1; |
|
233 | - $nestedGroups = $this->access->connection->ldapNestedGroups; |
|
234 | - if (!empty($nestedGroups)) { |
|
235 | - $subMembers = $this->_groupMembers($member, $seen); |
|
236 | - if ($subMembers) { |
|
237 | - $allMembers += $subMembers; |
|
238 | - } |
|
239 | - } |
|
240 | - } |
|
241 | - } |
|
242 | - |
|
243 | - $allMembers += $this->getDynamicGroupMembers($dnGroup); |
|
244 | - |
|
245 | - $this->access->connection->writeToCache($cacheKey, $allMembers); |
|
246 | - return $allMembers; |
|
247 | - } |
|
248 | - |
|
249 | - /** |
|
250 | - * @param string $DN |
|
251 | - * @param array|null &$seen |
|
252 | - * @return array |
|
253 | - */ |
|
254 | - private function _getGroupDNsFromMemberOf($DN, &$seen = null) { |
|
255 | - if ($seen === null) { |
|
256 | - $seen = array(); |
|
257 | - } |
|
258 | - if (array_key_exists($DN, $seen)) { |
|
259 | - // avoid loops |
|
260 | - return array(); |
|
261 | - } |
|
262 | - $seen[$DN] = 1; |
|
263 | - $groups = $this->access->readAttribute($DN, 'memberOf'); |
|
264 | - if (!is_array($groups)) { |
|
265 | - return array(); |
|
266 | - } |
|
267 | - $groups = $this->access->groupsMatchFilter($groups); |
|
268 | - $allGroups = $groups; |
|
269 | - $nestedGroups = $this->access->connection->ldapNestedGroups; |
|
270 | - if (intval($nestedGroups) === 1) { |
|
271 | - foreach ($groups as $group) { |
|
272 | - $subGroups = $this->_getGroupDNsFromMemberOf($group, $seen); |
|
273 | - $allGroups = array_merge($allGroups, $subGroups); |
|
274 | - } |
|
275 | - } |
|
276 | - return $allGroups; |
|
277 | - } |
|
278 | - |
|
279 | - /** |
|
280 | - * translates a gidNumber into an ownCloud internal name |
|
281 | - * @param string $gid as given by gidNumber on POSIX LDAP |
|
282 | - * @param string $dn a DN that belongs to the same domain as the group |
|
283 | - * @return string|bool |
|
284 | - */ |
|
285 | - public function gidNumber2Name($gid, $dn) { |
|
286 | - $cacheKey = 'gidNumberToName' . $gid; |
|
287 | - $groupName = $this->access->connection->getFromCache($cacheKey); |
|
288 | - if(!is_null($groupName) && isset($groupName)) { |
|
289 | - return $groupName; |
|
290 | - } |
|
291 | - |
|
292 | - //we need to get the DN from LDAP |
|
293 | - $filter = $this->access->combineFilterWithAnd([ |
|
294 | - $this->access->connection->ldapGroupFilter, |
|
295 | - 'objectClass=posixGroup', |
|
296 | - $this->access->connection->ldapGidNumber . '=' . $gid |
|
297 | - ]); |
|
298 | - $result = $this->access->searchGroups($filter, array('dn'), 1); |
|
299 | - if(empty($result)) { |
|
300 | - return false; |
|
301 | - } |
|
302 | - $dn = $result[0]['dn'][0]; |
|
303 | - |
|
304 | - //and now the group name |
|
305 | - //NOTE once we have separate ownCloud group IDs and group names we can |
|
306 | - //directly read the display name attribute instead of the DN |
|
307 | - $name = $this->access->dn2groupname($dn); |
|
308 | - |
|
309 | - $this->access->connection->writeToCache($cacheKey, $name); |
|
310 | - |
|
311 | - return $name; |
|
312 | - } |
|
313 | - |
|
314 | - /** |
|
315 | - * returns the entry's gidNumber |
|
316 | - * @param string $dn |
|
317 | - * @param string $attribute |
|
318 | - * @return string|bool |
|
319 | - */ |
|
320 | - private function getEntryGidNumber($dn, $attribute) { |
|
321 | - $value = $this->access->readAttribute($dn, $attribute); |
|
322 | - if(is_array($value) && !empty($value)) { |
|
323 | - return $value[0]; |
|
324 | - } |
|
325 | - return false; |
|
326 | - } |
|
327 | - |
|
328 | - /** |
|
329 | - * returns the group's primary ID |
|
330 | - * @param string $dn |
|
331 | - * @return string|bool |
|
332 | - */ |
|
333 | - public function getGroupGidNumber($dn) { |
|
334 | - return $this->getEntryGidNumber($dn, 'gidNumber'); |
|
335 | - } |
|
336 | - |
|
337 | - /** |
|
338 | - * returns the user's gidNumber |
|
339 | - * @param string $dn |
|
340 | - * @return string|bool |
|
341 | - */ |
|
342 | - public function getUserGidNumber($dn) { |
|
343 | - $gidNumber = false; |
|
344 | - if($this->access->connection->hasGidNumber) { |
|
345 | - $gidNumber = $this->getEntryGidNumber($dn, $this->access->connection->ldapGidNumber); |
|
346 | - if($gidNumber === false) { |
|
347 | - $this->access->connection->hasGidNumber = false; |
|
348 | - } |
|
349 | - } |
|
350 | - return $gidNumber; |
|
351 | - } |
|
352 | - |
|
353 | - /** |
|
354 | - * returns a filter for a "users has specific gid" search or count operation |
|
355 | - * |
|
356 | - * @param string $groupDN |
|
357 | - * @param string $search |
|
358 | - * @return string |
|
359 | - * @throws \Exception |
|
360 | - */ |
|
361 | - private function prepareFilterForUsersHasGidNumber($groupDN, $search = '') { |
|
362 | - $groupID = $this->getGroupGidNumber($groupDN); |
|
363 | - if($groupID === false) { |
|
364 | - throw new \Exception('Not a valid group'); |
|
365 | - } |
|
366 | - |
|
367 | - $filterParts = []; |
|
368 | - $filterParts[] = $this->access->getFilterForUserCount(); |
|
369 | - if ($search !== '') { |
|
370 | - $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
|
371 | - } |
|
372 | - $filterParts[] = $this->access->connection->ldapGidNumber .'=' . $groupID; |
|
373 | - |
|
374 | - $filter = $this->access->combineFilterWithAnd($filterParts); |
|
375 | - |
|
376 | - return $filter; |
|
377 | - } |
|
378 | - |
|
379 | - /** |
|
380 | - * returns a list of users that have the given group as gid number |
|
381 | - * |
|
382 | - * @param string $groupDN |
|
383 | - * @param string $search |
|
384 | - * @param int $limit |
|
385 | - * @param int $offset |
|
386 | - * @return string[] |
|
387 | - */ |
|
388 | - public function getUsersInGidNumber($groupDN, $search = '', $limit = -1, $offset = 0) { |
|
389 | - try { |
|
390 | - $filter = $this->prepareFilterForUsersHasGidNumber($groupDN, $search); |
|
391 | - $users = $this->access->fetchListOfUsers( |
|
392 | - $filter, |
|
393 | - [$this->access->connection->ldapUserDisplayName, 'dn'], |
|
394 | - $limit, |
|
395 | - $offset |
|
396 | - ); |
|
397 | - return $this->access->nextcloudUserNames($users); |
|
398 | - } catch (\Exception $e) { |
|
399 | - return []; |
|
400 | - } |
|
401 | - } |
|
402 | - |
|
403 | - /** |
|
404 | - * returns the number of users that have the given group as gid number |
|
405 | - * |
|
406 | - * @param string $groupDN |
|
407 | - * @param string $search |
|
408 | - * @param int $limit |
|
409 | - * @param int $offset |
|
410 | - * @return int |
|
411 | - */ |
|
412 | - public function countUsersInGidNumber($groupDN, $search = '', $limit = -1, $offset = 0) { |
|
413 | - try { |
|
414 | - $filter = $this->prepareFilterForUsersHasGidNumber($groupDN, $search); |
|
415 | - $users = $this->access->countUsers($filter, ['dn'], $limit, $offset); |
|
416 | - return (int)$users; |
|
417 | - } catch (\Exception $e) { |
|
418 | - return 0; |
|
419 | - } |
|
420 | - } |
|
421 | - |
|
422 | - /** |
|
423 | - * gets the gidNumber of a user |
|
424 | - * @param string $dn |
|
425 | - * @return string |
|
426 | - */ |
|
427 | - public function getUserGroupByGid($dn) { |
|
428 | - $groupID = $this->getUserGidNumber($dn); |
|
429 | - if($groupID !== false) { |
|
430 | - $groupName = $this->gidNumber2Name($groupID, $dn); |
|
431 | - if($groupName !== false) { |
|
432 | - return $groupName; |
|
433 | - } |
|
434 | - } |
|
435 | - |
|
436 | - return false; |
|
437 | - } |
|
438 | - |
|
439 | - /** |
|
440 | - * translates a primary group ID into an Nextcloud internal name |
|
441 | - * @param string $gid as given by primaryGroupID on AD |
|
442 | - * @param string $dn a DN that belongs to the same domain as the group |
|
443 | - * @return string|bool |
|
444 | - */ |
|
445 | - public function primaryGroupID2Name($gid, $dn) { |
|
446 | - $cacheKey = 'primaryGroupIDtoName'; |
|
447 | - $groupNames = $this->access->connection->getFromCache($cacheKey); |
|
448 | - if(!is_null($groupNames) && isset($groupNames[$gid])) { |
|
449 | - return $groupNames[$gid]; |
|
450 | - } |
|
451 | - |
|
452 | - $domainObjectSid = $this->access->getSID($dn); |
|
453 | - if($domainObjectSid === false) { |
|
454 | - return false; |
|
455 | - } |
|
456 | - |
|
457 | - //we need to get the DN from LDAP |
|
458 | - $filter = $this->access->combineFilterWithAnd(array( |
|
459 | - $this->access->connection->ldapGroupFilter, |
|
460 | - 'objectsid=' . $domainObjectSid . '-' . $gid |
|
461 | - )); |
|
462 | - $result = $this->access->searchGroups($filter, array('dn'), 1); |
|
463 | - if(empty($result)) { |
|
464 | - return false; |
|
465 | - } |
|
466 | - $dn = $result[0]['dn'][0]; |
|
467 | - |
|
468 | - //and now the group name |
|
469 | - //NOTE once we have separate Nextcloud group IDs and group names we can |
|
470 | - //directly read the display name attribute instead of the DN |
|
471 | - $name = $this->access->dn2groupname($dn); |
|
472 | - |
|
473 | - $this->access->connection->writeToCache($cacheKey, $name); |
|
474 | - |
|
475 | - return $name; |
|
476 | - } |
|
477 | - |
|
478 | - /** |
|
479 | - * returns the entry's primary group ID |
|
480 | - * @param string $dn |
|
481 | - * @param string $attribute |
|
482 | - * @return string|bool |
|
483 | - */ |
|
484 | - private function getEntryGroupID($dn, $attribute) { |
|
485 | - $value = $this->access->readAttribute($dn, $attribute); |
|
486 | - if(is_array($value) && !empty($value)) { |
|
487 | - return $value[0]; |
|
488 | - } |
|
489 | - return false; |
|
490 | - } |
|
491 | - |
|
492 | - /** |
|
493 | - * returns the group's primary ID |
|
494 | - * @param string $dn |
|
495 | - * @return string|bool |
|
496 | - */ |
|
497 | - public function getGroupPrimaryGroupID($dn) { |
|
498 | - return $this->getEntryGroupID($dn, 'primaryGroupToken'); |
|
499 | - } |
|
500 | - |
|
501 | - /** |
|
502 | - * returns the user's primary group ID |
|
503 | - * @param string $dn |
|
504 | - * @return string|bool |
|
505 | - */ |
|
506 | - public function getUserPrimaryGroupIDs($dn) { |
|
507 | - $primaryGroupID = false; |
|
508 | - if($this->access->connection->hasPrimaryGroups) { |
|
509 | - $primaryGroupID = $this->getEntryGroupID($dn, 'primaryGroupID'); |
|
510 | - if($primaryGroupID === false) { |
|
511 | - $this->access->connection->hasPrimaryGroups = false; |
|
512 | - } |
|
513 | - } |
|
514 | - return $primaryGroupID; |
|
515 | - } |
|
516 | - |
|
517 | - /** |
|
518 | - * returns a filter for a "users in primary group" search or count operation |
|
519 | - * |
|
520 | - * @param string $groupDN |
|
521 | - * @param string $search |
|
522 | - * @return string |
|
523 | - * @throws \Exception |
|
524 | - */ |
|
525 | - private function prepareFilterForUsersInPrimaryGroup($groupDN, $search = '') { |
|
526 | - $groupID = $this->getGroupPrimaryGroupID($groupDN); |
|
527 | - if($groupID === false) { |
|
528 | - throw new \Exception('Not a valid group'); |
|
529 | - } |
|
530 | - |
|
531 | - $filterParts = []; |
|
532 | - $filterParts[] = $this->access->getFilterForUserCount(); |
|
533 | - if ($search !== '') { |
|
534 | - $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
|
535 | - } |
|
536 | - $filterParts[] = 'primaryGroupID=' . $groupID; |
|
537 | - |
|
538 | - $filter = $this->access->combineFilterWithAnd($filterParts); |
|
539 | - |
|
540 | - return $filter; |
|
541 | - } |
|
542 | - |
|
543 | - /** |
|
544 | - * returns a list of users that have the given group as primary group |
|
545 | - * |
|
546 | - * @param string $groupDN |
|
547 | - * @param string $search |
|
548 | - * @param int $limit |
|
549 | - * @param int $offset |
|
550 | - * @return string[] |
|
551 | - */ |
|
552 | - public function getUsersInPrimaryGroup($groupDN, $search = '', $limit = -1, $offset = 0) { |
|
553 | - try { |
|
554 | - $filter = $this->prepareFilterForUsersInPrimaryGroup($groupDN, $search); |
|
555 | - $users = $this->access->fetchListOfUsers( |
|
556 | - $filter, |
|
557 | - array($this->access->connection->ldapUserDisplayName, 'dn'), |
|
558 | - $limit, |
|
559 | - $offset |
|
560 | - ); |
|
561 | - return $this->access->nextcloudUserNames($users); |
|
562 | - } catch (\Exception $e) { |
|
563 | - return array(); |
|
564 | - } |
|
565 | - } |
|
566 | - |
|
567 | - /** |
|
568 | - * returns the number of users that have the given group as primary group |
|
569 | - * |
|
570 | - * @param string $groupDN |
|
571 | - * @param string $search |
|
572 | - * @param int $limit |
|
573 | - * @param int $offset |
|
574 | - * @return int |
|
575 | - */ |
|
576 | - public function countUsersInPrimaryGroup($groupDN, $search = '', $limit = -1, $offset = 0) { |
|
577 | - try { |
|
578 | - $filter = $this->prepareFilterForUsersInPrimaryGroup($groupDN, $search); |
|
579 | - $users = $this->access->countUsers($filter, array('dn'), $limit, $offset); |
|
580 | - return (int)$users; |
|
581 | - } catch (\Exception $e) { |
|
582 | - return 0; |
|
583 | - } |
|
584 | - } |
|
585 | - |
|
586 | - /** |
|
587 | - * gets the primary group of a user |
|
588 | - * @param string $dn |
|
589 | - * @return string |
|
590 | - */ |
|
591 | - public function getUserPrimaryGroup($dn) { |
|
592 | - $groupID = $this->getUserPrimaryGroupIDs($dn); |
|
593 | - if($groupID !== false) { |
|
594 | - $groupName = $this->primaryGroupID2Name($groupID, $dn); |
|
595 | - if($groupName !== false) { |
|
596 | - return $groupName; |
|
597 | - } |
|
598 | - } |
|
599 | - |
|
600 | - return false; |
|
601 | - } |
|
602 | - |
|
603 | - /** |
|
604 | - * Get all groups a user belongs to |
|
605 | - * @param string $uid Name of the user |
|
606 | - * @return array with group names |
|
607 | - * |
|
608 | - * This function fetches all groups a user belongs to. It does not check |
|
609 | - * if the user exists at all. |
|
610 | - * |
|
611 | - * This function includes groups based on dynamic group membership. |
|
612 | - */ |
|
613 | - public function getUserGroups($uid) { |
|
614 | - if(!$this->enabled) { |
|
615 | - return array(); |
|
616 | - } |
|
617 | - $cacheKey = 'getUserGroups'.$uid; |
|
618 | - $userGroups = $this->access->connection->getFromCache($cacheKey); |
|
619 | - if(!is_null($userGroups)) { |
|
620 | - return $userGroups; |
|
621 | - } |
|
622 | - $userDN = $this->access->username2dn($uid); |
|
623 | - if(!$userDN) { |
|
624 | - $this->access->connection->writeToCache($cacheKey, array()); |
|
625 | - return array(); |
|
626 | - } |
|
627 | - |
|
628 | - $groups = []; |
|
629 | - $primaryGroup = $this->getUserPrimaryGroup($userDN); |
|
630 | - $gidGroupName = $this->getUserGroupByGid($userDN); |
|
631 | - |
|
632 | - $dynamicGroupMemberURL = strtolower($this->access->connection->ldapDynamicGroupMemberURL); |
|
633 | - |
|
634 | - if (!empty($dynamicGroupMemberURL)) { |
|
635 | - // look through dynamic groups to add them to the result array if needed |
|
636 | - $groupsToMatch = $this->access->fetchListOfGroups( |
|
637 | - $this->access->connection->ldapGroupFilter,array('dn',$dynamicGroupMemberURL)); |
|
638 | - foreach($groupsToMatch as $dynamicGroup) { |
|
639 | - if (!array_key_exists($dynamicGroupMemberURL, $dynamicGroup)) { |
|
640 | - continue; |
|
641 | - } |
|
642 | - $pos = strpos($dynamicGroup[$dynamicGroupMemberURL][0], '('); |
|
643 | - if ($pos !== false) { |
|
644 | - $memberUrlFilter = substr($dynamicGroup[$dynamicGroupMemberURL][0],$pos); |
|
645 | - // apply filter via ldap search to see if this user is in this |
|
646 | - // dynamic group |
|
647 | - $userMatch = $this->access->readAttribute( |
|
648 | - $userDN, |
|
649 | - $this->access->connection->ldapUserDisplayName, |
|
650 | - $memberUrlFilter |
|
651 | - ); |
|
652 | - if ($userMatch !== false) { |
|
653 | - // match found so this user is in this group |
|
654 | - $groupName = $this->access->dn2groupname($dynamicGroup['dn'][0]); |
|
655 | - if(is_string($groupName)) { |
|
656 | - // be sure to never return false if the dn could not be |
|
657 | - // resolved to a name, for whatever reason. |
|
658 | - $groups[] = $groupName; |
|
659 | - } |
|
660 | - } |
|
661 | - } else { |
|
662 | - \OCP\Util::writeLog('user_ldap', 'No search filter found on member url '. |
|
663 | - 'of group ' . print_r($dynamicGroup, true), \OCP\Util::DEBUG); |
|
664 | - } |
|
665 | - } |
|
666 | - } |
|
667 | - |
|
668 | - // if possible, read out membership via memberOf. It's far faster than |
|
669 | - // performing a search, which still is a fallback later. |
|
670 | - // memberof doesn't support memberuid, so skip it here. |
|
671 | - if(intval($this->access->connection->hasMemberOfFilterSupport) === 1 |
|
672 | - && intval($this->access->connection->useMemberOfToDetectMembership) === 1 |
|
673 | - && strtolower($this->access->connection->ldapGroupMemberAssocAttr) !== 'memberuid' |
|
674 | - ) { |
|
675 | - $groupDNs = $this->_getGroupDNsFromMemberOf($userDN); |
|
676 | - if (is_array($groupDNs)) { |
|
677 | - foreach ($groupDNs as $dn) { |
|
678 | - $groupName = $this->access->dn2groupname($dn); |
|
679 | - if(is_string($groupName)) { |
|
680 | - // be sure to never return false if the dn could not be |
|
681 | - // resolved to a name, for whatever reason. |
|
682 | - $groups[] = $groupName; |
|
683 | - } |
|
684 | - } |
|
685 | - } |
|
686 | - |
|
687 | - if($primaryGroup !== false) { |
|
688 | - $groups[] = $primaryGroup; |
|
689 | - } |
|
690 | - if($gidGroupName !== false) { |
|
691 | - $groups[] = $gidGroupName; |
|
692 | - } |
|
693 | - $this->access->connection->writeToCache($cacheKey, $groups); |
|
694 | - return $groups; |
|
695 | - } |
|
696 | - |
|
697 | - //uniqueMember takes DN, memberuid the uid, so we need to distinguish |
|
698 | - if((strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'uniquemember') |
|
699 | - || (strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'member') |
|
700 | - ) { |
|
701 | - $uid = $userDN; |
|
702 | - } else if(strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid') { |
|
703 | - $result = $this->access->readAttribute($userDN, 'uid'); |
|
704 | - if ($result === false) { |
|
705 | - \OCP\Util::writeLog('user_ldap', 'No uid attribute found for DN ' . $userDN . ' on '. |
|
706 | - $this->access->connection->ldapHost, \OCP\Util::DEBUG); |
|
707 | - } |
|
708 | - $uid = $result[0]; |
|
709 | - } else { |
|
710 | - // just in case |
|
711 | - $uid = $userDN; |
|
712 | - } |
|
713 | - |
|
714 | - if(isset($this->cachedGroupsByMember[$uid])) { |
|
715 | - $groups = array_merge($groups, $this->cachedGroupsByMember[$uid]); |
|
716 | - } else { |
|
717 | - $groupsByMember = array_values($this->getGroupsByMember($uid)); |
|
718 | - $groupsByMember = $this->access->nextcloudGroupNames($groupsByMember); |
|
719 | - $this->cachedGroupsByMember[$uid] = $groupsByMember; |
|
720 | - $groups = array_merge($groups, $groupsByMember); |
|
721 | - } |
|
722 | - |
|
723 | - if($primaryGroup !== false) { |
|
724 | - $groups[] = $primaryGroup; |
|
725 | - } |
|
726 | - if($gidGroupName !== false) { |
|
727 | - $groups[] = $gidGroupName; |
|
728 | - } |
|
729 | - |
|
730 | - $groups = array_unique($groups, SORT_LOCALE_STRING); |
|
731 | - $this->access->connection->writeToCache($cacheKey, $groups); |
|
732 | - |
|
733 | - return $groups; |
|
734 | - } |
|
735 | - |
|
736 | - /** |
|
737 | - * @param string $dn |
|
738 | - * @param array|null &$seen |
|
739 | - * @return array |
|
740 | - */ |
|
741 | - private function getGroupsByMember($dn, &$seen = null) { |
|
742 | - if ($seen === null) { |
|
743 | - $seen = array(); |
|
744 | - } |
|
745 | - $allGroups = array(); |
|
746 | - if (array_key_exists($dn, $seen)) { |
|
747 | - // avoid loops |
|
748 | - return array(); |
|
749 | - } |
|
750 | - $seen[$dn] = true; |
|
751 | - $filter = $this->access->combineFilterWithAnd(array( |
|
752 | - $this->access->connection->ldapGroupFilter, |
|
753 | - $this->access->connection->ldapGroupMemberAssocAttr.'='.$dn |
|
754 | - )); |
|
755 | - $groups = $this->access->fetchListOfGroups($filter, |
|
756 | - array($this->access->connection->ldapGroupDisplayName, 'dn')); |
|
757 | - if (is_array($groups)) { |
|
758 | - foreach ($groups as $groupobj) { |
|
759 | - $groupDN = $groupobj['dn'][0]; |
|
760 | - $allGroups[$groupDN] = $groupobj; |
|
761 | - $nestedGroups = $this->access->connection->ldapNestedGroups; |
|
762 | - if (!empty($nestedGroups)) { |
|
763 | - $supergroups = $this->getGroupsByMember($groupDN, $seen); |
|
764 | - if (is_array($supergroups) && (count($supergroups)>0)) { |
|
765 | - $allGroups = array_merge($allGroups, $supergroups); |
|
766 | - } |
|
767 | - } |
|
768 | - } |
|
769 | - } |
|
770 | - return $allGroups; |
|
771 | - } |
|
772 | - |
|
773 | - /** |
|
774 | - * get a list of all users in a group |
|
775 | - * |
|
776 | - * @param string $gid |
|
777 | - * @param string $search |
|
778 | - * @param int $limit |
|
779 | - * @param int $offset |
|
780 | - * @return array with user ids |
|
781 | - */ |
|
782 | - public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) { |
|
783 | - if(!$this->enabled) { |
|
784 | - return array(); |
|
785 | - } |
|
786 | - if(!$this->groupExists($gid)) { |
|
787 | - return array(); |
|
788 | - } |
|
789 | - $search = $this->access->escapeFilterPart($search, true); |
|
790 | - $cacheKey = 'usersInGroup-'.$gid.'-'.$search.'-'.$limit.'-'.$offset; |
|
791 | - // check for cache of the exact query |
|
792 | - $groupUsers = $this->access->connection->getFromCache($cacheKey); |
|
793 | - if(!is_null($groupUsers)) { |
|
794 | - return $groupUsers; |
|
795 | - } |
|
796 | - |
|
797 | - // check for cache of the query without limit and offset |
|
798 | - $groupUsers = $this->access->connection->getFromCache('usersInGroup-'.$gid.'-'.$search); |
|
799 | - if(!is_null($groupUsers)) { |
|
800 | - $groupUsers = array_slice($groupUsers, $offset, $limit); |
|
801 | - $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
802 | - return $groupUsers; |
|
803 | - } |
|
804 | - |
|
805 | - if($limit === -1) { |
|
806 | - $limit = null; |
|
807 | - } |
|
808 | - $groupDN = $this->access->groupname2dn($gid); |
|
809 | - if(!$groupDN) { |
|
810 | - // group couldn't be found, return empty resultset |
|
811 | - $this->access->connection->writeToCache($cacheKey, array()); |
|
812 | - return array(); |
|
813 | - } |
|
814 | - |
|
815 | - $primaryUsers = $this->getUsersInPrimaryGroup($groupDN, $search, $limit, $offset); |
|
816 | - $posixGroupUsers = $this->getUsersInGidNumber($groupDN, $search, $limit, $offset); |
|
817 | - $members = array_keys($this->_groupMembers($groupDN)); |
|
818 | - if(!$members && empty($posixGroupUsers) && empty($primaryUsers)) { |
|
819 | - //in case users could not be retrieved, return empty result set |
|
820 | - $this->access->connection->writeToCache($cacheKey, []); |
|
821 | - return []; |
|
822 | - } |
|
823 | - |
|
824 | - $groupUsers = array(); |
|
825 | - $isMemberUid = (strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid'); |
|
826 | - $attrs = $this->access->userManager->getAttributes(true); |
|
827 | - foreach($members as $member) { |
|
828 | - if($isMemberUid) { |
|
829 | - //we got uids, need to get their DNs to 'translate' them to user names |
|
830 | - $filter = $this->access->combineFilterWithAnd(array( |
|
831 | - str_replace('%uid', trim($member), $this->access->connection->ldapLoginFilter), |
|
832 | - $this->access->getFilterPartForUserSearch($search) |
|
833 | - )); |
|
834 | - $ldap_users = $this->access->fetchListOfUsers($filter, $attrs, 1); |
|
835 | - if(count($ldap_users) < 1) { |
|
836 | - continue; |
|
837 | - } |
|
838 | - $groupUsers[] = $this->access->dn2username($ldap_users[0]['dn'][0]); |
|
839 | - } else { |
|
840 | - //we got DNs, check if we need to filter by search or we can give back all of them |
|
841 | - if ($search !== '') { |
|
842 | - if(!$this->access->readAttribute($member, |
|
843 | - $this->access->connection->ldapUserDisplayName, |
|
844 | - $this->access->getFilterPartForUserSearch($search))) { |
|
845 | - continue; |
|
846 | - } |
|
847 | - } |
|
848 | - // dn2username will also check if the users belong to the allowed base |
|
849 | - if($ocname = $this->access->dn2username($member)) { |
|
850 | - $groupUsers[] = $ocname; |
|
851 | - } |
|
852 | - } |
|
853 | - } |
|
854 | - |
|
855 | - $groupUsers = array_unique(array_merge($groupUsers, $primaryUsers, $posixGroupUsers)); |
|
856 | - natsort($groupUsers); |
|
857 | - $this->access->connection->writeToCache('usersInGroup-'.$gid.'-'.$search, $groupUsers); |
|
858 | - $groupUsers = array_slice($groupUsers, $offset, $limit); |
|
859 | - |
|
860 | - $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
861 | - |
|
862 | - return $groupUsers; |
|
863 | - } |
|
864 | - |
|
865 | - /** |
|
866 | - * returns the number of users in a group, who match the search term |
|
867 | - * @param string $gid the internal group name |
|
868 | - * @param string $search optional, a search string |
|
869 | - * @return int|bool |
|
870 | - */ |
|
871 | - public function countUsersInGroup($gid, $search = '') { |
|
872 | - if ($this->groupPluginManager->implementsActions(GroupInterface::COUNT_USERS)) { |
|
873 | - return $this->groupPluginManager->countUsersInGroup($gid, $search); |
|
874 | - } |
|
875 | - |
|
876 | - $cacheKey = 'countUsersInGroup-'.$gid.'-'.$search; |
|
877 | - if(!$this->enabled || !$this->groupExists($gid)) { |
|
878 | - return false; |
|
879 | - } |
|
880 | - $groupUsers = $this->access->connection->getFromCache($cacheKey); |
|
881 | - if(!is_null($groupUsers)) { |
|
882 | - return $groupUsers; |
|
883 | - } |
|
884 | - |
|
885 | - $groupDN = $this->access->groupname2dn($gid); |
|
886 | - if(!$groupDN) { |
|
887 | - // group couldn't be found, return empty result set |
|
888 | - $this->access->connection->writeToCache($cacheKey, false); |
|
889 | - return false; |
|
890 | - } |
|
891 | - |
|
892 | - $members = array_keys($this->_groupMembers($groupDN)); |
|
893 | - $primaryUserCount = $this->countUsersInPrimaryGroup($groupDN, ''); |
|
894 | - if(!$members && $primaryUserCount === 0) { |
|
895 | - //in case users could not be retrieved, return empty result set |
|
896 | - $this->access->connection->writeToCache($cacheKey, false); |
|
897 | - return false; |
|
898 | - } |
|
899 | - |
|
900 | - if ($search === '') { |
|
901 | - $groupUsers = count($members) + $primaryUserCount; |
|
902 | - $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
903 | - return $groupUsers; |
|
904 | - } |
|
905 | - $search = $this->access->escapeFilterPart($search, true); |
|
906 | - $isMemberUid = |
|
907 | - (strtolower($this->access->connection->ldapGroupMemberAssocAttr) |
|
908 | - === 'memberuid'); |
|
909 | - |
|
910 | - //we need to apply the search filter |
|
911 | - //alternatives that need to be checked: |
|
912 | - //a) get all users by search filter and array_intersect them |
|
913 | - //b) a, but only when less than 1k 10k ?k users like it is |
|
914 | - //c) put all DNs|uids in a LDAP filter, combine with the search string |
|
915 | - // and let it count. |
|
916 | - //For now this is not important, because the only use of this method |
|
917 | - //does not supply a search string |
|
918 | - $groupUsers = array(); |
|
919 | - foreach($members as $member) { |
|
920 | - if($isMemberUid) { |
|
921 | - //we got uids, need to get their DNs to 'translate' them to user names |
|
922 | - $filter = $this->access->combineFilterWithAnd(array( |
|
923 | - str_replace('%uid', $member, $this->access->connection->ldapLoginFilter), |
|
924 | - $this->access->getFilterPartForUserSearch($search) |
|
925 | - )); |
|
926 | - $ldap_users = $this->access->fetchListOfUsers($filter, 'dn', 1); |
|
927 | - if(count($ldap_users) < 1) { |
|
928 | - continue; |
|
929 | - } |
|
930 | - $groupUsers[] = $this->access->dn2username($ldap_users[0]); |
|
931 | - } else { |
|
932 | - //we need to apply the search filter now |
|
933 | - if(!$this->access->readAttribute($member, |
|
934 | - $this->access->connection->ldapUserDisplayName, |
|
935 | - $this->access->getFilterPartForUserSearch($search))) { |
|
936 | - continue; |
|
937 | - } |
|
938 | - // dn2username will also check if the users belong to the allowed base |
|
939 | - if($ocname = $this->access->dn2username($member)) { |
|
940 | - $groupUsers[] = $ocname; |
|
941 | - } |
|
942 | - } |
|
943 | - } |
|
944 | - |
|
945 | - //and get users that have the group as primary |
|
946 | - $primaryUsers = $this->countUsersInPrimaryGroup($groupDN, $search); |
|
947 | - |
|
948 | - return count($groupUsers) + $primaryUsers; |
|
949 | - } |
|
950 | - |
|
951 | - /** |
|
952 | - * get a list of all groups |
|
953 | - * |
|
954 | - * @param string $search |
|
955 | - * @param $limit |
|
956 | - * @param int $offset |
|
957 | - * @return array with group names |
|
958 | - * |
|
959 | - * Returns a list with all groups (used by getGroups) |
|
960 | - */ |
|
961 | - protected function getGroupsChunk($search = '', $limit = -1, $offset = 0) { |
|
962 | - if(!$this->enabled) { |
|
963 | - return array(); |
|
964 | - } |
|
965 | - $cacheKey = 'getGroups-'.$search.'-'.$limit.'-'.$offset; |
|
966 | - |
|
967 | - //Check cache before driving unnecessary searches |
|
968 | - \OCP\Util::writeLog('user_ldap', 'getGroups '.$cacheKey, \OCP\Util::DEBUG); |
|
969 | - $ldap_groups = $this->access->connection->getFromCache($cacheKey); |
|
970 | - if(!is_null($ldap_groups)) { |
|
971 | - return $ldap_groups; |
|
972 | - } |
|
973 | - |
|
974 | - // if we'd pass -1 to LDAP search, we'd end up in a Protocol |
|
975 | - // error. With a limit of 0, we get 0 results. So we pass null. |
|
976 | - if($limit <= 0) { |
|
977 | - $limit = null; |
|
978 | - } |
|
979 | - $filter = $this->access->combineFilterWithAnd(array( |
|
980 | - $this->access->connection->ldapGroupFilter, |
|
981 | - $this->access->getFilterPartForGroupSearch($search) |
|
982 | - )); |
|
983 | - \OCP\Util::writeLog('user_ldap', 'getGroups Filter '.$filter, \OCP\Util::DEBUG); |
|
984 | - $ldap_groups = $this->access->fetchListOfGroups($filter, |
|
985 | - array($this->access->connection->ldapGroupDisplayName, 'dn'), |
|
986 | - $limit, |
|
987 | - $offset); |
|
988 | - $ldap_groups = $this->access->nextcloudGroupNames($ldap_groups); |
|
989 | - |
|
990 | - $this->access->connection->writeToCache($cacheKey, $ldap_groups); |
|
991 | - return $ldap_groups; |
|
992 | - } |
|
993 | - |
|
994 | - /** |
|
995 | - * get a list of all groups using a paged search |
|
996 | - * |
|
997 | - * @param string $search |
|
998 | - * @param int $limit |
|
999 | - * @param int $offset |
|
1000 | - * @return array with group names |
|
1001 | - * |
|
1002 | - * Returns a list with all groups |
|
1003 | - * Uses a paged search if available to override a |
|
1004 | - * server side search limit. |
|
1005 | - * (active directory has a limit of 1000 by default) |
|
1006 | - */ |
|
1007 | - public function getGroups($search = '', $limit = -1, $offset = 0) { |
|
1008 | - if(!$this->enabled) { |
|
1009 | - return array(); |
|
1010 | - } |
|
1011 | - $search = $this->access->escapeFilterPart($search, true); |
|
1012 | - $pagingSize = intval($this->access->connection->ldapPagingSize); |
|
1013 | - if (!$this->access->connection->hasPagedResultSupport || $pagingSize <= 0) { |
|
1014 | - return $this->getGroupsChunk($search, $limit, $offset); |
|
1015 | - } |
|
1016 | - $maxGroups = 100000; // limit max results (just for safety reasons) |
|
1017 | - if ($limit > -1) { |
|
1018 | - $overallLimit = min($limit + $offset, $maxGroups); |
|
1019 | - } else { |
|
1020 | - $overallLimit = $maxGroups; |
|
1021 | - } |
|
1022 | - $chunkOffset = $offset; |
|
1023 | - $allGroups = array(); |
|
1024 | - while ($chunkOffset < $overallLimit) { |
|
1025 | - $chunkLimit = min($pagingSize, $overallLimit - $chunkOffset); |
|
1026 | - $ldapGroups = $this->getGroupsChunk($search, $chunkLimit, $chunkOffset); |
|
1027 | - $nread = count($ldapGroups); |
|
1028 | - \OCP\Util::writeLog('user_ldap', 'getGroups('.$search.'): read '.$nread.' at offset '.$chunkOffset.' (limit: '.$chunkLimit.')', \OCP\Util::DEBUG); |
|
1029 | - if ($nread) { |
|
1030 | - $allGroups = array_merge($allGroups, $ldapGroups); |
|
1031 | - $chunkOffset += $nread; |
|
1032 | - } |
|
1033 | - if ($nread < $chunkLimit) { |
|
1034 | - break; |
|
1035 | - } |
|
1036 | - } |
|
1037 | - return $allGroups; |
|
1038 | - } |
|
1039 | - |
|
1040 | - /** |
|
1041 | - * @param string $group |
|
1042 | - * @return bool |
|
1043 | - */ |
|
1044 | - public function groupMatchesFilter($group) { |
|
1045 | - return (strripos($group, $this->groupSearch) !== false); |
|
1046 | - } |
|
1047 | - |
|
1048 | - /** |
|
1049 | - * check if a group exists |
|
1050 | - * @param string $gid |
|
1051 | - * @return bool |
|
1052 | - */ |
|
1053 | - public function groupExists($gid) { |
|
1054 | - $groupExists = $this->access->connection->getFromCache('groupExists'.$gid); |
|
1055 | - if(!is_null($groupExists)) { |
|
1056 | - return (bool)$groupExists; |
|
1057 | - } |
|
1058 | - |
|
1059 | - //getting dn, if false the group does not exist. If dn, it may be mapped |
|
1060 | - //only, requires more checking. |
|
1061 | - $dn = $this->access->groupname2dn($gid); |
|
1062 | - if(!$dn) { |
|
1063 | - $this->access->connection->writeToCache('groupExists'.$gid, false); |
|
1064 | - return false; |
|
1065 | - } |
|
1066 | - |
|
1067 | - //if group really still exists, we will be able to read its objectclass |
|
1068 | - if(!is_array($this->access->readAttribute($dn, ''))) { |
|
1069 | - $this->access->connection->writeToCache('groupExists'.$gid, false); |
|
1070 | - return false; |
|
1071 | - } |
|
1072 | - |
|
1073 | - $this->access->connection->writeToCache('groupExists'.$gid, true); |
|
1074 | - return true; |
|
1075 | - } |
|
1076 | - |
|
1077 | - /** |
|
1078 | - * Check if backend implements actions |
|
1079 | - * @param int $actions bitwise-or'ed actions |
|
1080 | - * @return boolean |
|
1081 | - * |
|
1082 | - * Returns the supported actions as int to be |
|
1083 | - * compared with GroupInterface::CREATE_GROUP etc. |
|
1084 | - */ |
|
1085 | - public function implementsActions($actions) { |
|
1086 | - return (bool)((GroupInterface::COUNT_USERS | |
|
1087 | - $this->groupPluginManager->getImplementedActions()) & $actions); |
|
1088 | - } |
|
1089 | - |
|
1090 | - /** |
|
1091 | - * Return access for LDAP interaction. |
|
1092 | - * @return Access instance of Access for LDAP interaction |
|
1093 | - */ |
|
1094 | - public function getLDAPAccess($gid) { |
|
1095 | - return $this->access; |
|
1096 | - } |
|
1097 | - |
|
1098 | - /** |
|
1099 | - * create a group |
|
1100 | - * @param string $gid |
|
1101 | - * @return bool |
|
1102 | - * @throws \Exception |
|
1103 | - */ |
|
1104 | - public function createGroup($gid) { |
|
1105 | - if ($this->groupPluginManager->implementsActions(GroupInterface::CREATE_GROUP)) { |
|
1106 | - if ($dn = $this->groupPluginManager->createGroup($gid)) { |
|
1107 | - //updates group mapping |
|
1108 | - $this->access->dn2ocname($dn, $gid, false); |
|
1109 | - $this->access->connection->writeToCache("groupExists".$gid, true); |
|
1110 | - } |
|
1111 | - return $dn != null; |
|
1112 | - } |
|
1113 | - throw new \Exception('Could not create group in LDAP backend.'); |
|
1114 | - } |
|
1115 | - |
|
1116 | - /** |
|
1117 | - * delete a group |
|
1118 | - * @param string $gid gid of the group to delete |
|
1119 | - * @return bool |
|
1120 | - * @throws \Exception |
|
1121 | - */ |
|
1122 | - public function deleteGroup($gid) { |
|
1123 | - if ($this->groupPluginManager->implementsActions(GroupInterface::DELETE_GROUP)) { |
|
1124 | - if ($ret = $this->groupPluginManager->deleteGroup($gid)) { |
|
1125 | - #delete group in nextcloud internal db |
|
1126 | - $this->access->getGroupMapper()->unmap($gid); |
|
1127 | - $this->access->connection->writeToCache("groupExists".$gid, false); |
|
1128 | - } |
|
1129 | - return $ret; |
|
1130 | - } |
|
1131 | - throw new \Exception('Could not delete group in LDAP backend.'); |
|
1132 | - } |
|
1133 | - |
|
1134 | - /** |
|
1135 | - * Add a user to a group |
|
1136 | - * @param string $uid Name of the user to add to group |
|
1137 | - * @param string $gid Name of the group in which add the user |
|
1138 | - * @return bool |
|
1139 | - * @throws \Exception |
|
1140 | - */ |
|
1141 | - public function addToGroup($uid, $gid) { |
|
1142 | - if ($this->groupPluginManager->implementsActions(GroupInterface::ADD_TO_GROUP)) { |
|
1143 | - if ($ret = $this->groupPluginManager->addToGroup($uid, $gid)) { |
|
1144 | - $this->access->connection->clearCache(); |
|
1145 | - } |
|
1146 | - return $ret; |
|
1147 | - } |
|
1148 | - throw new \Exception('Could not add user to group in LDAP backend.'); |
|
1149 | - } |
|
1150 | - |
|
1151 | - /** |
|
1152 | - * Removes a user from a group |
|
1153 | - * @param string $uid Name of the user to remove from group |
|
1154 | - * @param string $gid Name of the group from which remove the user |
|
1155 | - * @return bool |
|
1156 | - * @throws \Exception |
|
1157 | - */ |
|
1158 | - public function removeFromGroup($uid, $gid) { |
|
1159 | - if ($this->groupPluginManager->implementsActions(GroupInterface::REMOVE_FROM_GROUP)) { |
|
1160 | - if ($ret = $this->groupPluginManager->removeFromGroup($uid, $gid)) { |
|
1161 | - $this->access->connection->clearCache(); |
|
1162 | - } |
|
1163 | - return $ret; |
|
1164 | - } |
|
1165 | - throw new \Exception('Could not remove user from group in LDAP backend.'); |
|
1166 | - } |
|
1167 | - |
|
1168 | - /** |
|
1169 | - * Gets group details |
|
1170 | - * @param string $gid Name of the group |
|
1171 | - * @return array | false |
|
1172 | - * @throws \Exception |
|
1173 | - */ |
|
1174 | - public function getGroupDetails($gid) { |
|
1175 | - if ($this->groupPluginManager->implementsActions(GroupInterface::GROUP_DETAILS)) { |
|
1176 | - return $this->groupPluginManager->getGroupDetails($gid); |
|
1177 | - } |
|
1178 | - throw new \Exception('Could not get group details in LDAP backend.'); |
|
1179 | - } |
|
1180 | - |
|
1181 | - /** |
|
1182 | - * Return LDAP connection resource from a cloned connection. |
|
1183 | - * The cloned connection needs to be closed manually. |
|
1184 | - * of the current access. |
|
1185 | - * @param string $gid |
|
1186 | - * @return resource of the LDAP connection |
|
1187 | - */ |
|
1188 | - public function getNewLDAPConnection($gid) { |
|
1189 | - $connection = clone $this->access->getConnection(); |
|
1190 | - return $connection->getConnectionResource(); |
|
1191 | - } |
|
48 | + protected $enabled = false; |
|
49 | + |
|
50 | + /** |
|
51 | + * @var string[] $cachedGroupMembers array of users with gid as key |
|
52 | + */ |
|
53 | + protected $cachedGroupMembers; |
|
54 | + |
|
55 | + /** |
|
56 | + * @var string[] $cachedGroupsByMember array of groups with uid as key |
|
57 | + */ |
|
58 | + protected $cachedGroupsByMember; |
|
59 | + |
|
60 | + /** @var GroupPluginManager */ |
|
61 | + protected $groupPluginManager; |
|
62 | + |
|
63 | + public function __construct(Access $access, GroupPluginManager $groupPluginManager) { |
|
64 | + parent::__construct($access); |
|
65 | + $filter = $this->access->connection->ldapGroupFilter; |
|
66 | + $gassoc = $this->access->connection->ldapGroupMemberAssocAttr; |
|
67 | + if(!empty($filter) && !empty($gassoc)) { |
|
68 | + $this->enabled = true; |
|
69 | + } |
|
70 | + |
|
71 | + $this->cachedGroupMembers = new CappedMemoryCache(); |
|
72 | + $this->cachedGroupsByMember = new CappedMemoryCache(); |
|
73 | + $this->groupPluginManager = $groupPluginManager; |
|
74 | + } |
|
75 | + |
|
76 | + /** |
|
77 | + * is user in group? |
|
78 | + * @param string $uid uid of the user |
|
79 | + * @param string $gid gid of the group |
|
80 | + * @return bool |
|
81 | + * |
|
82 | + * Checks whether the user is member of a group or not. |
|
83 | + */ |
|
84 | + public function inGroup($uid, $gid) { |
|
85 | + if(!$this->enabled) { |
|
86 | + return false; |
|
87 | + } |
|
88 | + $cacheKey = 'inGroup'.$uid.':'.$gid; |
|
89 | + $inGroup = $this->access->connection->getFromCache($cacheKey); |
|
90 | + if(!is_null($inGroup)) { |
|
91 | + return (bool)$inGroup; |
|
92 | + } |
|
93 | + |
|
94 | + $userDN = $this->access->username2dn($uid); |
|
95 | + |
|
96 | + if(isset($this->cachedGroupMembers[$gid])) { |
|
97 | + $isInGroup = in_array($userDN, $this->cachedGroupMembers[$gid]); |
|
98 | + return $isInGroup; |
|
99 | + } |
|
100 | + |
|
101 | + $cacheKeyMembers = 'inGroup-members:'.$gid; |
|
102 | + $members = $this->access->connection->getFromCache($cacheKeyMembers); |
|
103 | + if(!is_null($members)) { |
|
104 | + $this->cachedGroupMembers[$gid] = $members; |
|
105 | + $isInGroup = in_array($userDN, $members); |
|
106 | + $this->access->connection->writeToCache($cacheKey, $isInGroup); |
|
107 | + return $isInGroup; |
|
108 | + } |
|
109 | + |
|
110 | + $groupDN = $this->access->groupname2dn($gid); |
|
111 | + // just in case |
|
112 | + if(!$groupDN || !$userDN) { |
|
113 | + $this->access->connection->writeToCache($cacheKey, false); |
|
114 | + return false; |
|
115 | + } |
|
116 | + |
|
117 | + //check primary group first |
|
118 | + if($gid === $this->getUserPrimaryGroup($userDN)) { |
|
119 | + $this->access->connection->writeToCache($cacheKey, true); |
|
120 | + return true; |
|
121 | + } |
|
122 | + |
|
123 | + //usually, LDAP attributes are said to be case insensitive. But there are exceptions of course. |
|
124 | + $members = $this->_groupMembers($groupDN); |
|
125 | + $members = array_keys($members); // uids are returned as keys |
|
126 | + if(!is_array($members) || count($members) === 0) { |
|
127 | + $this->access->connection->writeToCache($cacheKey, false); |
|
128 | + return false; |
|
129 | + } |
|
130 | + |
|
131 | + //extra work if we don't get back user DNs |
|
132 | + if(strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid') { |
|
133 | + $dns = array(); |
|
134 | + $filterParts = array(); |
|
135 | + $bytes = 0; |
|
136 | + foreach($members as $mid) { |
|
137 | + $filter = str_replace('%uid', $mid, $this->access->connection->ldapLoginFilter); |
|
138 | + $filterParts[] = $filter; |
|
139 | + $bytes += strlen($filter); |
|
140 | + if($bytes >= 9000000) { |
|
141 | + // AD has a default input buffer of 10 MB, we do not want |
|
142 | + // to take even the chance to exceed it |
|
143 | + $filter = $this->access->combineFilterWithOr($filterParts); |
|
144 | + $bytes = 0; |
|
145 | + $filterParts = array(); |
|
146 | + $users = $this->access->fetchListOfUsers($filter, 'dn', count($filterParts)); |
|
147 | + $dns = array_merge($dns, $users); |
|
148 | + } |
|
149 | + } |
|
150 | + if(count($filterParts) > 0) { |
|
151 | + $filter = $this->access->combineFilterWithOr($filterParts); |
|
152 | + $users = $this->access->fetchListOfUsers($filter, 'dn', count($filterParts)); |
|
153 | + $dns = array_merge($dns, $users); |
|
154 | + } |
|
155 | + $members = $dns; |
|
156 | + } |
|
157 | + |
|
158 | + $isInGroup = in_array($userDN, $members); |
|
159 | + $this->access->connection->writeToCache($cacheKey, $isInGroup); |
|
160 | + $this->access->connection->writeToCache($cacheKeyMembers, $members); |
|
161 | + $this->cachedGroupMembers[$gid] = $members; |
|
162 | + |
|
163 | + return $isInGroup; |
|
164 | + } |
|
165 | + |
|
166 | + /** |
|
167 | + * @param string $dnGroup |
|
168 | + * @return array |
|
169 | + * |
|
170 | + * For a group that has user membership defined by an LDAP search url attribute returns the users |
|
171 | + * that match the search url otherwise returns an empty array. |
|
172 | + */ |
|
173 | + public function getDynamicGroupMembers($dnGroup) { |
|
174 | + $dynamicGroupMemberURL = strtolower($this->access->connection->ldapDynamicGroupMemberURL); |
|
175 | + |
|
176 | + if (empty($dynamicGroupMemberURL)) { |
|
177 | + return array(); |
|
178 | + } |
|
179 | + |
|
180 | + $dynamicMembers = array(); |
|
181 | + $memberURLs = $this->access->readAttribute( |
|
182 | + $dnGroup, |
|
183 | + $dynamicGroupMemberURL, |
|
184 | + $this->access->connection->ldapGroupFilter |
|
185 | + ); |
|
186 | + if ($memberURLs !== false) { |
|
187 | + // this group has the 'memberURL' attribute so this is a dynamic group |
|
188 | + // example 1: ldap:///cn=users,cn=accounts,dc=dcsubbase,dc=dcbase??one?(o=HeadOffice) |
|
189 | + // example 2: ldap:///cn=users,cn=accounts,dc=dcsubbase,dc=dcbase??one?(&(o=HeadOffice)(uidNumber>=500)) |
|
190 | + $pos = strpos($memberURLs[0], '('); |
|
191 | + if ($pos !== false) { |
|
192 | + $memberUrlFilter = substr($memberURLs[0], $pos); |
|
193 | + $foundMembers = $this->access->searchUsers($memberUrlFilter,'dn'); |
|
194 | + $dynamicMembers = array(); |
|
195 | + foreach($foundMembers as $value) { |
|
196 | + $dynamicMembers[$value['dn'][0]] = 1; |
|
197 | + } |
|
198 | + } else { |
|
199 | + \OCP\Util::writeLog('user_ldap', 'No search filter found on member url '. |
|
200 | + 'of group ' . $dnGroup, \OCP\Util::DEBUG); |
|
201 | + } |
|
202 | + } |
|
203 | + return $dynamicMembers; |
|
204 | + } |
|
205 | + |
|
206 | + /** |
|
207 | + * @param string $dnGroup |
|
208 | + * @param array|null &$seen |
|
209 | + * @return array|mixed|null |
|
210 | + * @throws \OC\ServerNotAvailableException |
|
211 | + */ |
|
212 | + private function _groupMembers($dnGroup, &$seen = null) { |
|
213 | + if ($seen === null) { |
|
214 | + $seen = array(); |
|
215 | + } |
|
216 | + $allMembers = array(); |
|
217 | + if (array_key_exists($dnGroup, $seen)) { |
|
218 | + // avoid loops |
|
219 | + return array(); |
|
220 | + } |
|
221 | + // used extensively in cron job, caching makes sense for nested groups |
|
222 | + $cacheKey = '_groupMembers'.$dnGroup; |
|
223 | + $groupMembers = $this->access->connection->getFromCache($cacheKey); |
|
224 | + if($groupMembers !== null) { |
|
225 | + return $groupMembers; |
|
226 | + } |
|
227 | + $seen[$dnGroup] = 1; |
|
228 | + $members = $this->access->readAttribute($dnGroup, $this->access->connection->ldapGroupMemberAssocAttr, |
|
229 | + $this->access->connection->ldapGroupFilter); |
|
230 | + if (is_array($members)) { |
|
231 | + foreach ($members as $member) { |
|
232 | + $allMembers[$member] = 1; |
|
233 | + $nestedGroups = $this->access->connection->ldapNestedGroups; |
|
234 | + if (!empty($nestedGroups)) { |
|
235 | + $subMembers = $this->_groupMembers($member, $seen); |
|
236 | + if ($subMembers) { |
|
237 | + $allMembers += $subMembers; |
|
238 | + } |
|
239 | + } |
|
240 | + } |
|
241 | + } |
|
242 | + |
|
243 | + $allMembers += $this->getDynamicGroupMembers($dnGroup); |
|
244 | + |
|
245 | + $this->access->connection->writeToCache($cacheKey, $allMembers); |
|
246 | + return $allMembers; |
|
247 | + } |
|
248 | + |
|
249 | + /** |
|
250 | + * @param string $DN |
|
251 | + * @param array|null &$seen |
|
252 | + * @return array |
|
253 | + */ |
|
254 | + private function _getGroupDNsFromMemberOf($DN, &$seen = null) { |
|
255 | + if ($seen === null) { |
|
256 | + $seen = array(); |
|
257 | + } |
|
258 | + if (array_key_exists($DN, $seen)) { |
|
259 | + // avoid loops |
|
260 | + return array(); |
|
261 | + } |
|
262 | + $seen[$DN] = 1; |
|
263 | + $groups = $this->access->readAttribute($DN, 'memberOf'); |
|
264 | + if (!is_array($groups)) { |
|
265 | + return array(); |
|
266 | + } |
|
267 | + $groups = $this->access->groupsMatchFilter($groups); |
|
268 | + $allGroups = $groups; |
|
269 | + $nestedGroups = $this->access->connection->ldapNestedGroups; |
|
270 | + if (intval($nestedGroups) === 1) { |
|
271 | + foreach ($groups as $group) { |
|
272 | + $subGroups = $this->_getGroupDNsFromMemberOf($group, $seen); |
|
273 | + $allGroups = array_merge($allGroups, $subGroups); |
|
274 | + } |
|
275 | + } |
|
276 | + return $allGroups; |
|
277 | + } |
|
278 | + |
|
279 | + /** |
|
280 | + * translates a gidNumber into an ownCloud internal name |
|
281 | + * @param string $gid as given by gidNumber on POSIX LDAP |
|
282 | + * @param string $dn a DN that belongs to the same domain as the group |
|
283 | + * @return string|bool |
|
284 | + */ |
|
285 | + public function gidNumber2Name($gid, $dn) { |
|
286 | + $cacheKey = 'gidNumberToName' . $gid; |
|
287 | + $groupName = $this->access->connection->getFromCache($cacheKey); |
|
288 | + if(!is_null($groupName) && isset($groupName)) { |
|
289 | + return $groupName; |
|
290 | + } |
|
291 | + |
|
292 | + //we need to get the DN from LDAP |
|
293 | + $filter = $this->access->combineFilterWithAnd([ |
|
294 | + $this->access->connection->ldapGroupFilter, |
|
295 | + 'objectClass=posixGroup', |
|
296 | + $this->access->connection->ldapGidNumber . '=' . $gid |
|
297 | + ]); |
|
298 | + $result = $this->access->searchGroups($filter, array('dn'), 1); |
|
299 | + if(empty($result)) { |
|
300 | + return false; |
|
301 | + } |
|
302 | + $dn = $result[0]['dn'][0]; |
|
303 | + |
|
304 | + //and now the group name |
|
305 | + //NOTE once we have separate ownCloud group IDs and group names we can |
|
306 | + //directly read the display name attribute instead of the DN |
|
307 | + $name = $this->access->dn2groupname($dn); |
|
308 | + |
|
309 | + $this->access->connection->writeToCache($cacheKey, $name); |
|
310 | + |
|
311 | + return $name; |
|
312 | + } |
|
313 | + |
|
314 | + /** |
|
315 | + * returns the entry's gidNumber |
|
316 | + * @param string $dn |
|
317 | + * @param string $attribute |
|
318 | + * @return string|bool |
|
319 | + */ |
|
320 | + private function getEntryGidNumber($dn, $attribute) { |
|
321 | + $value = $this->access->readAttribute($dn, $attribute); |
|
322 | + if(is_array($value) && !empty($value)) { |
|
323 | + return $value[0]; |
|
324 | + } |
|
325 | + return false; |
|
326 | + } |
|
327 | + |
|
328 | + /** |
|
329 | + * returns the group's primary ID |
|
330 | + * @param string $dn |
|
331 | + * @return string|bool |
|
332 | + */ |
|
333 | + public function getGroupGidNumber($dn) { |
|
334 | + return $this->getEntryGidNumber($dn, 'gidNumber'); |
|
335 | + } |
|
336 | + |
|
337 | + /** |
|
338 | + * returns the user's gidNumber |
|
339 | + * @param string $dn |
|
340 | + * @return string|bool |
|
341 | + */ |
|
342 | + public function getUserGidNumber($dn) { |
|
343 | + $gidNumber = false; |
|
344 | + if($this->access->connection->hasGidNumber) { |
|
345 | + $gidNumber = $this->getEntryGidNumber($dn, $this->access->connection->ldapGidNumber); |
|
346 | + if($gidNumber === false) { |
|
347 | + $this->access->connection->hasGidNumber = false; |
|
348 | + } |
|
349 | + } |
|
350 | + return $gidNumber; |
|
351 | + } |
|
352 | + |
|
353 | + /** |
|
354 | + * returns a filter for a "users has specific gid" search or count operation |
|
355 | + * |
|
356 | + * @param string $groupDN |
|
357 | + * @param string $search |
|
358 | + * @return string |
|
359 | + * @throws \Exception |
|
360 | + */ |
|
361 | + private function prepareFilterForUsersHasGidNumber($groupDN, $search = '') { |
|
362 | + $groupID = $this->getGroupGidNumber($groupDN); |
|
363 | + if($groupID === false) { |
|
364 | + throw new \Exception('Not a valid group'); |
|
365 | + } |
|
366 | + |
|
367 | + $filterParts = []; |
|
368 | + $filterParts[] = $this->access->getFilterForUserCount(); |
|
369 | + if ($search !== '') { |
|
370 | + $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
|
371 | + } |
|
372 | + $filterParts[] = $this->access->connection->ldapGidNumber .'=' . $groupID; |
|
373 | + |
|
374 | + $filter = $this->access->combineFilterWithAnd($filterParts); |
|
375 | + |
|
376 | + return $filter; |
|
377 | + } |
|
378 | + |
|
379 | + /** |
|
380 | + * returns a list of users that have the given group as gid number |
|
381 | + * |
|
382 | + * @param string $groupDN |
|
383 | + * @param string $search |
|
384 | + * @param int $limit |
|
385 | + * @param int $offset |
|
386 | + * @return string[] |
|
387 | + */ |
|
388 | + public function getUsersInGidNumber($groupDN, $search = '', $limit = -1, $offset = 0) { |
|
389 | + try { |
|
390 | + $filter = $this->prepareFilterForUsersHasGidNumber($groupDN, $search); |
|
391 | + $users = $this->access->fetchListOfUsers( |
|
392 | + $filter, |
|
393 | + [$this->access->connection->ldapUserDisplayName, 'dn'], |
|
394 | + $limit, |
|
395 | + $offset |
|
396 | + ); |
|
397 | + return $this->access->nextcloudUserNames($users); |
|
398 | + } catch (\Exception $e) { |
|
399 | + return []; |
|
400 | + } |
|
401 | + } |
|
402 | + |
|
403 | + /** |
|
404 | + * returns the number of users that have the given group as gid number |
|
405 | + * |
|
406 | + * @param string $groupDN |
|
407 | + * @param string $search |
|
408 | + * @param int $limit |
|
409 | + * @param int $offset |
|
410 | + * @return int |
|
411 | + */ |
|
412 | + public function countUsersInGidNumber($groupDN, $search = '', $limit = -1, $offset = 0) { |
|
413 | + try { |
|
414 | + $filter = $this->prepareFilterForUsersHasGidNumber($groupDN, $search); |
|
415 | + $users = $this->access->countUsers($filter, ['dn'], $limit, $offset); |
|
416 | + return (int)$users; |
|
417 | + } catch (\Exception $e) { |
|
418 | + return 0; |
|
419 | + } |
|
420 | + } |
|
421 | + |
|
422 | + /** |
|
423 | + * gets the gidNumber of a user |
|
424 | + * @param string $dn |
|
425 | + * @return string |
|
426 | + */ |
|
427 | + public function getUserGroupByGid($dn) { |
|
428 | + $groupID = $this->getUserGidNumber($dn); |
|
429 | + if($groupID !== false) { |
|
430 | + $groupName = $this->gidNumber2Name($groupID, $dn); |
|
431 | + if($groupName !== false) { |
|
432 | + return $groupName; |
|
433 | + } |
|
434 | + } |
|
435 | + |
|
436 | + return false; |
|
437 | + } |
|
438 | + |
|
439 | + /** |
|
440 | + * translates a primary group ID into an Nextcloud internal name |
|
441 | + * @param string $gid as given by primaryGroupID on AD |
|
442 | + * @param string $dn a DN that belongs to the same domain as the group |
|
443 | + * @return string|bool |
|
444 | + */ |
|
445 | + public function primaryGroupID2Name($gid, $dn) { |
|
446 | + $cacheKey = 'primaryGroupIDtoName'; |
|
447 | + $groupNames = $this->access->connection->getFromCache($cacheKey); |
|
448 | + if(!is_null($groupNames) && isset($groupNames[$gid])) { |
|
449 | + return $groupNames[$gid]; |
|
450 | + } |
|
451 | + |
|
452 | + $domainObjectSid = $this->access->getSID($dn); |
|
453 | + if($domainObjectSid === false) { |
|
454 | + return false; |
|
455 | + } |
|
456 | + |
|
457 | + //we need to get the DN from LDAP |
|
458 | + $filter = $this->access->combineFilterWithAnd(array( |
|
459 | + $this->access->connection->ldapGroupFilter, |
|
460 | + 'objectsid=' . $domainObjectSid . '-' . $gid |
|
461 | + )); |
|
462 | + $result = $this->access->searchGroups($filter, array('dn'), 1); |
|
463 | + if(empty($result)) { |
|
464 | + return false; |
|
465 | + } |
|
466 | + $dn = $result[0]['dn'][0]; |
|
467 | + |
|
468 | + //and now the group name |
|
469 | + //NOTE once we have separate Nextcloud group IDs and group names we can |
|
470 | + //directly read the display name attribute instead of the DN |
|
471 | + $name = $this->access->dn2groupname($dn); |
|
472 | + |
|
473 | + $this->access->connection->writeToCache($cacheKey, $name); |
|
474 | + |
|
475 | + return $name; |
|
476 | + } |
|
477 | + |
|
478 | + /** |
|
479 | + * returns the entry's primary group ID |
|
480 | + * @param string $dn |
|
481 | + * @param string $attribute |
|
482 | + * @return string|bool |
|
483 | + */ |
|
484 | + private function getEntryGroupID($dn, $attribute) { |
|
485 | + $value = $this->access->readAttribute($dn, $attribute); |
|
486 | + if(is_array($value) && !empty($value)) { |
|
487 | + return $value[0]; |
|
488 | + } |
|
489 | + return false; |
|
490 | + } |
|
491 | + |
|
492 | + /** |
|
493 | + * returns the group's primary ID |
|
494 | + * @param string $dn |
|
495 | + * @return string|bool |
|
496 | + */ |
|
497 | + public function getGroupPrimaryGroupID($dn) { |
|
498 | + return $this->getEntryGroupID($dn, 'primaryGroupToken'); |
|
499 | + } |
|
500 | + |
|
501 | + /** |
|
502 | + * returns the user's primary group ID |
|
503 | + * @param string $dn |
|
504 | + * @return string|bool |
|
505 | + */ |
|
506 | + public function getUserPrimaryGroupIDs($dn) { |
|
507 | + $primaryGroupID = false; |
|
508 | + if($this->access->connection->hasPrimaryGroups) { |
|
509 | + $primaryGroupID = $this->getEntryGroupID($dn, 'primaryGroupID'); |
|
510 | + if($primaryGroupID === false) { |
|
511 | + $this->access->connection->hasPrimaryGroups = false; |
|
512 | + } |
|
513 | + } |
|
514 | + return $primaryGroupID; |
|
515 | + } |
|
516 | + |
|
517 | + /** |
|
518 | + * returns a filter for a "users in primary group" search or count operation |
|
519 | + * |
|
520 | + * @param string $groupDN |
|
521 | + * @param string $search |
|
522 | + * @return string |
|
523 | + * @throws \Exception |
|
524 | + */ |
|
525 | + private function prepareFilterForUsersInPrimaryGroup($groupDN, $search = '') { |
|
526 | + $groupID = $this->getGroupPrimaryGroupID($groupDN); |
|
527 | + if($groupID === false) { |
|
528 | + throw new \Exception('Not a valid group'); |
|
529 | + } |
|
530 | + |
|
531 | + $filterParts = []; |
|
532 | + $filterParts[] = $this->access->getFilterForUserCount(); |
|
533 | + if ($search !== '') { |
|
534 | + $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
|
535 | + } |
|
536 | + $filterParts[] = 'primaryGroupID=' . $groupID; |
|
537 | + |
|
538 | + $filter = $this->access->combineFilterWithAnd($filterParts); |
|
539 | + |
|
540 | + return $filter; |
|
541 | + } |
|
542 | + |
|
543 | + /** |
|
544 | + * returns a list of users that have the given group as primary group |
|
545 | + * |
|
546 | + * @param string $groupDN |
|
547 | + * @param string $search |
|
548 | + * @param int $limit |
|
549 | + * @param int $offset |
|
550 | + * @return string[] |
|
551 | + */ |
|
552 | + public function getUsersInPrimaryGroup($groupDN, $search = '', $limit = -1, $offset = 0) { |
|
553 | + try { |
|
554 | + $filter = $this->prepareFilterForUsersInPrimaryGroup($groupDN, $search); |
|
555 | + $users = $this->access->fetchListOfUsers( |
|
556 | + $filter, |
|
557 | + array($this->access->connection->ldapUserDisplayName, 'dn'), |
|
558 | + $limit, |
|
559 | + $offset |
|
560 | + ); |
|
561 | + return $this->access->nextcloudUserNames($users); |
|
562 | + } catch (\Exception $e) { |
|
563 | + return array(); |
|
564 | + } |
|
565 | + } |
|
566 | + |
|
567 | + /** |
|
568 | + * returns the number of users that have the given group as primary group |
|
569 | + * |
|
570 | + * @param string $groupDN |
|
571 | + * @param string $search |
|
572 | + * @param int $limit |
|
573 | + * @param int $offset |
|
574 | + * @return int |
|
575 | + */ |
|
576 | + public function countUsersInPrimaryGroup($groupDN, $search = '', $limit = -1, $offset = 0) { |
|
577 | + try { |
|
578 | + $filter = $this->prepareFilterForUsersInPrimaryGroup($groupDN, $search); |
|
579 | + $users = $this->access->countUsers($filter, array('dn'), $limit, $offset); |
|
580 | + return (int)$users; |
|
581 | + } catch (\Exception $e) { |
|
582 | + return 0; |
|
583 | + } |
|
584 | + } |
|
585 | + |
|
586 | + /** |
|
587 | + * gets the primary group of a user |
|
588 | + * @param string $dn |
|
589 | + * @return string |
|
590 | + */ |
|
591 | + public function getUserPrimaryGroup($dn) { |
|
592 | + $groupID = $this->getUserPrimaryGroupIDs($dn); |
|
593 | + if($groupID !== false) { |
|
594 | + $groupName = $this->primaryGroupID2Name($groupID, $dn); |
|
595 | + if($groupName !== false) { |
|
596 | + return $groupName; |
|
597 | + } |
|
598 | + } |
|
599 | + |
|
600 | + return false; |
|
601 | + } |
|
602 | + |
|
603 | + /** |
|
604 | + * Get all groups a user belongs to |
|
605 | + * @param string $uid Name of the user |
|
606 | + * @return array with group names |
|
607 | + * |
|
608 | + * This function fetches all groups a user belongs to. It does not check |
|
609 | + * if the user exists at all. |
|
610 | + * |
|
611 | + * This function includes groups based on dynamic group membership. |
|
612 | + */ |
|
613 | + public function getUserGroups($uid) { |
|
614 | + if(!$this->enabled) { |
|
615 | + return array(); |
|
616 | + } |
|
617 | + $cacheKey = 'getUserGroups'.$uid; |
|
618 | + $userGroups = $this->access->connection->getFromCache($cacheKey); |
|
619 | + if(!is_null($userGroups)) { |
|
620 | + return $userGroups; |
|
621 | + } |
|
622 | + $userDN = $this->access->username2dn($uid); |
|
623 | + if(!$userDN) { |
|
624 | + $this->access->connection->writeToCache($cacheKey, array()); |
|
625 | + return array(); |
|
626 | + } |
|
627 | + |
|
628 | + $groups = []; |
|
629 | + $primaryGroup = $this->getUserPrimaryGroup($userDN); |
|
630 | + $gidGroupName = $this->getUserGroupByGid($userDN); |
|
631 | + |
|
632 | + $dynamicGroupMemberURL = strtolower($this->access->connection->ldapDynamicGroupMemberURL); |
|
633 | + |
|
634 | + if (!empty($dynamicGroupMemberURL)) { |
|
635 | + // look through dynamic groups to add them to the result array if needed |
|
636 | + $groupsToMatch = $this->access->fetchListOfGroups( |
|
637 | + $this->access->connection->ldapGroupFilter,array('dn',$dynamicGroupMemberURL)); |
|
638 | + foreach($groupsToMatch as $dynamicGroup) { |
|
639 | + if (!array_key_exists($dynamicGroupMemberURL, $dynamicGroup)) { |
|
640 | + continue; |
|
641 | + } |
|
642 | + $pos = strpos($dynamicGroup[$dynamicGroupMemberURL][0], '('); |
|
643 | + if ($pos !== false) { |
|
644 | + $memberUrlFilter = substr($dynamicGroup[$dynamicGroupMemberURL][0],$pos); |
|
645 | + // apply filter via ldap search to see if this user is in this |
|
646 | + // dynamic group |
|
647 | + $userMatch = $this->access->readAttribute( |
|
648 | + $userDN, |
|
649 | + $this->access->connection->ldapUserDisplayName, |
|
650 | + $memberUrlFilter |
|
651 | + ); |
|
652 | + if ($userMatch !== false) { |
|
653 | + // match found so this user is in this group |
|
654 | + $groupName = $this->access->dn2groupname($dynamicGroup['dn'][0]); |
|
655 | + if(is_string($groupName)) { |
|
656 | + // be sure to never return false if the dn could not be |
|
657 | + // resolved to a name, for whatever reason. |
|
658 | + $groups[] = $groupName; |
|
659 | + } |
|
660 | + } |
|
661 | + } else { |
|
662 | + \OCP\Util::writeLog('user_ldap', 'No search filter found on member url '. |
|
663 | + 'of group ' . print_r($dynamicGroup, true), \OCP\Util::DEBUG); |
|
664 | + } |
|
665 | + } |
|
666 | + } |
|
667 | + |
|
668 | + // if possible, read out membership via memberOf. It's far faster than |
|
669 | + // performing a search, which still is a fallback later. |
|
670 | + // memberof doesn't support memberuid, so skip it here. |
|
671 | + if(intval($this->access->connection->hasMemberOfFilterSupport) === 1 |
|
672 | + && intval($this->access->connection->useMemberOfToDetectMembership) === 1 |
|
673 | + && strtolower($this->access->connection->ldapGroupMemberAssocAttr) !== 'memberuid' |
|
674 | + ) { |
|
675 | + $groupDNs = $this->_getGroupDNsFromMemberOf($userDN); |
|
676 | + if (is_array($groupDNs)) { |
|
677 | + foreach ($groupDNs as $dn) { |
|
678 | + $groupName = $this->access->dn2groupname($dn); |
|
679 | + if(is_string($groupName)) { |
|
680 | + // be sure to never return false if the dn could not be |
|
681 | + // resolved to a name, for whatever reason. |
|
682 | + $groups[] = $groupName; |
|
683 | + } |
|
684 | + } |
|
685 | + } |
|
686 | + |
|
687 | + if($primaryGroup !== false) { |
|
688 | + $groups[] = $primaryGroup; |
|
689 | + } |
|
690 | + if($gidGroupName !== false) { |
|
691 | + $groups[] = $gidGroupName; |
|
692 | + } |
|
693 | + $this->access->connection->writeToCache($cacheKey, $groups); |
|
694 | + return $groups; |
|
695 | + } |
|
696 | + |
|
697 | + //uniqueMember takes DN, memberuid the uid, so we need to distinguish |
|
698 | + if((strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'uniquemember') |
|
699 | + || (strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'member') |
|
700 | + ) { |
|
701 | + $uid = $userDN; |
|
702 | + } else if(strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid') { |
|
703 | + $result = $this->access->readAttribute($userDN, 'uid'); |
|
704 | + if ($result === false) { |
|
705 | + \OCP\Util::writeLog('user_ldap', 'No uid attribute found for DN ' . $userDN . ' on '. |
|
706 | + $this->access->connection->ldapHost, \OCP\Util::DEBUG); |
|
707 | + } |
|
708 | + $uid = $result[0]; |
|
709 | + } else { |
|
710 | + // just in case |
|
711 | + $uid = $userDN; |
|
712 | + } |
|
713 | + |
|
714 | + if(isset($this->cachedGroupsByMember[$uid])) { |
|
715 | + $groups = array_merge($groups, $this->cachedGroupsByMember[$uid]); |
|
716 | + } else { |
|
717 | + $groupsByMember = array_values($this->getGroupsByMember($uid)); |
|
718 | + $groupsByMember = $this->access->nextcloudGroupNames($groupsByMember); |
|
719 | + $this->cachedGroupsByMember[$uid] = $groupsByMember; |
|
720 | + $groups = array_merge($groups, $groupsByMember); |
|
721 | + } |
|
722 | + |
|
723 | + if($primaryGroup !== false) { |
|
724 | + $groups[] = $primaryGroup; |
|
725 | + } |
|
726 | + if($gidGroupName !== false) { |
|
727 | + $groups[] = $gidGroupName; |
|
728 | + } |
|
729 | + |
|
730 | + $groups = array_unique($groups, SORT_LOCALE_STRING); |
|
731 | + $this->access->connection->writeToCache($cacheKey, $groups); |
|
732 | + |
|
733 | + return $groups; |
|
734 | + } |
|
735 | + |
|
736 | + /** |
|
737 | + * @param string $dn |
|
738 | + * @param array|null &$seen |
|
739 | + * @return array |
|
740 | + */ |
|
741 | + private function getGroupsByMember($dn, &$seen = null) { |
|
742 | + if ($seen === null) { |
|
743 | + $seen = array(); |
|
744 | + } |
|
745 | + $allGroups = array(); |
|
746 | + if (array_key_exists($dn, $seen)) { |
|
747 | + // avoid loops |
|
748 | + return array(); |
|
749 | + } |
|
750 | + $seen[$dn] = true; |
|
751 | + $filter = $this->access->combineFilterWithAnd(array( |
|
752 | + $this->access->connection->ldapGroupFilter, |
|
753 | + $this->access->connection->ldapGroupMemberAssocAttr.'='.$dn |
|
754 | + )); |
|
755 | + $groups = $this->access->fetchListOfGroups($filter, |
|
756 | + array($this->access->connection->ldapGroupDisplayName, 'dn')); |
|
757 | + if (is_array($groups)) { |
|
758 | + foreach ($groups as $groupobj) { |
|
759 | + $groupDN = $groupobj['dn'][0]; |
|
760 | + $allGroups[$groupDN] = $groupobj; |
|
761 | + $nestedGroups = $this->access->connection->ldapNestedGroups; |
|
762 | + if (!empty($nestedGroups)) { |
|
763 | + $supergroups = $this->getGroupsByMember($groupDN, $seen); |
|
764 | + if (is_array($supergroups) && (count($supergroups)>0)) { |
|
765 | + $allGroups = array_merge($allGroups, $supergroups); |
|
766 | + } |
|
767 | + } |
|
768 | + } |
|
769 | + } |
|
770 | + return $allGroups; |
|
771 | + } |
|
772 | + |
|
773 | + /** |
|
774 | + * get a list of all users in a group |
|
775 | + * |
|
776 | + * @param string $gid |
|
777 | + * @param string $search |
|
778 | + * @param int $limit |
|
779 | + * @param int $offset |
|
780 | + * @return array with user ids |
|
781 | + */ |
|
782 | + public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) { |
|
783 | + if(!$this->enabled) { |
|
784 | + return array(); |
|
785 | + } |
|
786 | + if(!$this->groupExists($gid)) { |
|
787 | + return array(); |
|
788 | + } |
|
789 | + $search = $this->access->escapeFilterPart($search, true); |
|
790 | + $cacheKey = 'usersInGroup-'.$gid.'-'.$search.'-'.$limit.'-'.$offset; |
|
791 | + // check for cache of the exact query |
|
792 | + $groupUsers = $this->access->connection->getFromCache($cacheKey); |
|
793 | + if(!is_null($groupUsers)) { |
|
794 | + return $groupUsers; |
|
795 | + } |
|
796 | + |
|
797 | + // check for cache of the query without limit and offset |
|
798 | + $groupUsers = $this->access->connection->getFromCache('usersInGroup-'.$gid.'-'.$search); |
|
799 | + if(!is_null($groupUsers)) { |
|
800 | + $groupUsers = array_slice($groupUsers, $offset, $limit); |
|
801 | + $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
802 | + return $groupUsers; |
|
803 | + } |
|
804 | + |
|
805 | + if($limit === -1) { |
|
806 | + $limit = null; |
|
807 | + } |
|
808 | + $groupDN = $this->access->groupname2dn($gid); |
|
809 | + if(!$groupDN) { |
|
810 | + // group couldn't be found, return empty resultset |
|
811 | + $this->access->connection->writeToCache($cacheKey, array()); |
|
812 | + return array(); |
|
813 | + } |
|
814 | + |
|
815 | + $primaryUsers = $this->getUsersInPrimaryGroup($groupDN, $search, $limit, $offset); |
|
816 | + $posixGroupUsers = $this->getUsersInGidNumber($groupDN, $search, $limit, $offset); |
|
817 | + $members = array_keys($this->_groupMembers($groupDN)); |
|
818 | + if(!$members && empty($posixGroupUsers) && empty($primaryUsers)) { |
|
819 | + //in case users could not be retrieved, return empty result set |
|
820 | + $this->access->connection->writeToCache($cacheKey, []); |
|
821 | + return []; |
|
822 | + } |
|
823 | + |
|
824 | + $groupUsers = array(); |
|
825 | + $isMemberUid = (strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid'); |
|
826 | + $attrs = $this->access->userManager->getAttributes(true); |
|
827 | + foreach($members as $member) { |
|
828 | + if($isMemberUid) { |
|
829 | + //we got uids, need to get their DNs to 'translate' them to user names |
|
830 | + $filter = $this->access->combineFilterWithAnd(array( |
|
831 | + str_replace('%uid', trim($member), $this->access->connection->ldapLoginFilter), |
|
832 | + $this->access->getFilterPartForUserSearch($search) |
|
833 | + )); |
|
834 | + $ldap_users = $this->access->fetchListOfUsers($filter, $attrs, 1); |
|
835 | + if(count($ldap_users) < 1) { |
|
836 | + continue; |
|
837 | + } |
|
838 | + $groupUsers[] = $this->access->dn2username($ldap_users[0]['dn'][0]); |
|
839 | + } else { |
|
840 | + //we got DNs, check if we need to filter by search or we can give back all of them |
|
841 | + if ($search !== '') { |
|
842 | + if(!$this->access->readAttribute($member, |
|
843 | + $this->access->connection->ldapUserDisplayName, |
|
844 | + $this->access->getFilterPartForUserSearch($search))) { |
|
845 | + continue; |
|
846 | + } |
|
847 | + } |
|
848 | + // dn2username will also check if the users belong to the allowed base |
|
849 | + if($ocname = $this->access->dn2username($member)) { |
|
850 | + $groupUsers[] = $ocname; |
|
851 | + } |
|
852 | + } |
|
853 | + } |
|
854 | + |
|
855 | + $groupUsers = array_unique(array_merge($groupUsers, $primaryUsers, $posixGroupUsers)); |
|
856 | + natsort($groupUsers); |
|
857 | + $this->access->connection->writeToCache('usersInGroup-'.$gid.'-'.$search, $groupUsers); |
|
858 | + $groupUsers = array_slice($groupUsers, $offset, $limit); |
|
859 | + |
|
860 | + $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
861 | + |
|
862 | + return $groupUsers; |
|
863 | + } |
|
864 | + |
|
865 | + /** |
|
866 | + * returns the number of users in a group, who match the search term |
|
867 | + * @param string $gid the internal group name |
|
868 | + * @param string $search optional, a search string |
|
869 | + * @return int|bool |
|
870 | + */ |
|
871 | + public function countUsersInGroup($gid, $search = '') { |
|
872 | + if ($this->groupPluginManager->implementsActions(GroupInterface::COUNT_USERS)) { |
|
873 | + return $this->groupPluginManager->countUsersInGroup($gid, $search); |
|
874 | + } |
|
875 | + |
|
876 | + $cacheKey = 'countUsersInGroup-'.$gid.'-'.$search; |
|
877 | + if(!$this->enabled || !$this->groupExists($gid)) { |
|
878 | + return false; |
|
879 | + } |
|
880 | + $groupUsers = $this->access->connection->getFromCache($cacheKey); |
|
881 | + if(!is_null($groupUsers)) { |
|
882 | + return $groupUsers; |
|
883 | + } |
|
884 | + |
|
885 | + $groupDN = $this->access->groupname2dn($gid); |
|
886 | + if(!$groupDN) { |
|
887 | + // group couldn't be found, return empty result set |
|
888 | + $this->access->connection->writeToCache($cacheKey, false); |
|
889 | + return false; |
|
890 | + } |
|
891 | + |
|
892 | + $members = array_keys($this->_groupMembers($groupDN)); |
|
893 | + $primaryUserCount = $this->countUsersInPrimaryGroup($groupDN, ''); |
|
894 | + if(!$members && $primaryUserCount === 0) { |
|
895 | + //in case users could not be retrieved, return empty result set |
|
896 | + $this->access->connection->writeToCache($cacheKey, false); |
|
897 | + return false; |
|
898 | + } |
|
899 | + |
|
900 | + if ($search === '') { |
|
901 | + $groupUsers = count($members) + $primaryUserCount; |
|
902 | + $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
903 | + return $groupUsers; |
|
904 | + } |
|
905 | + $search = $this->access->escapeFilterPart($search, true); |
|
906 | + $isMemberUid = |
|
907 | + (strtolower($this->access->connection->ldapGroupMemberAssocAttr) |
|
908 | + === 'memberuid'); |
|
909 | + |
|
910 | + //we need to apply the search filter |
|
911 | + //alternatives that need to be checked: |
|
912 | + //a) get all users by search filter and array_intersect them |
|
913 | + //b) a, but only when less than 1k 10k ?k users like it is |
|
914 | + //c) put all DNs|uids in a LDAP filter, combine with the search string |
|
915 | + // and let it count. |
|
916 | + //For now this is not important, because the only use of this method |
|
917 | + //does not supply a search string |
|
918 | + $groupUsers = array(); |
|
919 | + foreach($members as $member) { |
|
920 | + if($isMemberUid) { |
|
921 | + //we got uids, need to get their DNs to 'translate' them to user names |
|
922 | + $filter = $this->access->combineFilterWithAnd(array( |
|
923 | + str_replace('%uid', $member, $this->access->connection->ldapLoginFilter), |
|
924 | + $this->access->getFilterPartForUserSearch($search) |
|
925 | + )); |
|
926 | + $ldap_users = $this->access->fetchListOfUsers($filter, 'dn', 1); |
|
927 | + if(count($ldap_users) < 1) { |
|
928 | + continue; |
|
929 | + } |
|
930 | + $groupUsers[] = $this->access->dn2username($ldap_users[0]); |
|
931 | + } else { |
|
932 | + //we need to apply the search filter now |
|
933 | + if(!$this->access->readAttribute($member, |
|
934 | + $this->access->connection->ldapUserDisplayName, |
|
935 | + $this->access->getFilterPartForUserSearch($search))) { |
|
936 | + continue; |
|
937 | + } |
|
938 | + // dn2username will also check if the users belong to the allowed base |
|
939 | + if($ocname = $this->access->dn2username($member)) { |
|
940 | + $groupUsers[] = $ocname; |
|
941 | + } |
|
942 | + } |
|
943 | + } |
|
944 | + |
|
945 | + //and get users that have the group as primary |
|
946 | + $primaryUsers = $this->countUsersInPrimaryGroup($groupDN, $search); |
|
947 | + |
|
948 | + return count($groupUsers) + $primaryUsers; |
|
949 | + } |
|
950 | + |
|
951 | + /** |
|
952 | + * get a list of all groups |
|
953 | + * |
|
954 | + * @param string $search |
|
955 | + * @param $limit |
|
956 | + * @param int $offset |
|
957 | + * @return array with group names |
|
958 | + * |
|
959 | + * Returns a list with all groups (used by getGroups) |
|
960 | + */ |
|
961 | + protected function getGroupsChunk($search = '', $limit = -1, $offset = 0) { |
|
962 | + if(!$this->enabled) { |
|
963 | + return array(); |
|
964 | + } |
|
965 | + $cacheKey = 'getGroups-'.$search.'-'.$limit.'-'.$offset; |
|
966 | + |
|
967 | + //Check cache before driving unnecessary searches |
|
968 | + \OCP\Util::writeLog('user_ldap', 'getGroups '.$cacheKey, \OCP\Util::DEBUG); |
|
969 | + $ldap_groups = $this->access->connection->getFromCache($cacheKey); |
|
970 | + if(!is_null($ldap_groups)) { |
|
971 | + return $ldap_groups; |
|
972 | + } |
|
973 | + |
|
974 | + // if we'd pass -1 to LDAP search, we'd end up in a Protocol |
|
975 | + // error. With a limit of 0, we get 0 results. So we pass null. |
|
976 | + if($limit <= 0) { |
|
977 | + $limit = null; |
|
978 | + } |
|
979 | + $filter = $this->access->combineFilterWithAnd(array( |
|
980 | + $this->access->connection->ldapGroupFilter, |
|
981 | + $this->access->getFilterPartForGroupSearch($search) |
|
982 | + )); |
|
983 | + \OCP\Util::writeLog('user_ldap', 'getGroups Filter '.$filter, \OCP\Util::DEBUG); |
|
984 | + $ldap_groups = $this->access->fetchListOfGroups($filter, |
|
985 | + array($this->access->connection->ldapGroupDisplayName, 'dn'), |
|
986 | + $limit, |
|
987 | + $offset); |
|
988 | + $ldap_groups = $this->access->nextcloudGroupNames($ldap_groups); |
|
989 | + |
|
990 | + $this->access->connection->writeToCache($cacheKey, $ldap_groups); |
|
991 | + return $ldap_groups; |
|
992 | + } |
|
993 | + |
|
994 | + /** |
|
995 | + * get a list of all groups using a paged search |
|
996 | + * |
|
997 | + * @param string $search |
|
998 | + * @param int $limit |
|
999 | + * @param int $offset |
|
1000 | + * @return array with group names |
|
1001 | + * |
|
1002 | + * Returns a list with all groups |
|
1003 | + * Uses a paged search if available to override a |
|
1004 | + * server side search limit. |
|
1005 | + * (active directory has a limit of 1000 by default) |
|
1006 | + */ |
|
1007 | + public function getGroups($search = '', $limit = -1, $offset = 0) { |
|
1008 | + if(!$this->enabled) { |
|
1009 | + return array(); |
|
1010 | + } |
|
1011 | + $search = $this->access->escapeFilterPart($search, true); |
|
1012 | + $pagingSize = intval($this->access->connection->ldapPagingSize); |
|
1013 | + if (!$this->access->connection->hasPagedResultSupport || $pagingSize <= 0) { |
|
1014 | + return $this->getGroupsChunk($search, $limit, $offset); |
|
1015 | + } |
|
1016 | + $maxGroups = 100000; // limit max results (just for safety reasons) |
|
1017 | + if ($limit > -1) { |
|
1018 | + $overallLimit = min($limit + $offset, $maxGroups); |
|
1019 | + } else { |
|
1020 | + $overallLimit = $maxGroups; |
|
1021 | + } |
|
1022 | + $chunkOffset = $offset; |
|
1023 | + $allGroups = array(); |
|
1024 | + while ($chunkOffset < $overallLimit) { |
|
1025 | + $chunkLimit = min($pagingSize, $overallLimit - $chunkOffset); |
|
1026 | + $ldapGroups = $this->getGroupsChunk($search, $chunkLimit, $chunkOffset); |
|
1027 | + $nread = count($ldapGroups); |
|
1028 | + \OCP\Util::writeLog('user_ldap', 'getGroups('.$search.'): read '.$nread.' at offset '.$chunkOffset.' (limit: '.$chunkLimit.')', \OCP\Util::DEBUG); |
|
1029 | + if ($nread) { |
|
1030 | + $allGroups = array_merge($allGroups, $ldapGroups); |
|
1031 | + $chunkOffset += $nread; |
|
1032 | + } |
|
1033 | + if ($nread < $chunkLimit) { |
|
1034 | + break; |
|
1035 | + } |
|
1036 | + } |
|
1037 | + return $allGroups; |
|
1038 | + } |
|
1039 | + |
|
1040 | + /** |
|
1041 | + * @param string $group |
|
1042 | + * @return bool |
|
1043 | + */ |
|
1044 | + public function groupMatchesFilter($group) { |
|
1045 | + return (strripos($group, $this->groupSearch) !== false); |
|
1046 | + } |
|
1047 | + |
|
1048 | + /** |
|
1049 | + * check if a group exists |
|
1050 | + * @param string $gid |
|
1051 | + * @return bool |
|
1052 | + */ |
|
1053 | + public function groupExists($gid) { |
|
1054 | + $groupExists = $this->access->connection->getFromCache('groupExists'.$gid); |
|
1055 | + if(!is_null($groupExists)) { |
|
1056 | + return (bool)$groupExists; |
|
1057 | + } |
|
1058 | + |
|
1059 | + //getting dn, if false the group does not exist. If dn, it may be mapped |
|
1060 | + //only, requires more checking. |
|
1061 | + $dn = $this->access->groupname2dn($gid); |
|
1062 | + if(!$dn) { |
|
1063 | + $this->access->connection->writeToCache('groupExists'.$gid, false); |
|
1064 | + return false; |
|
1065 | + } |
|
1066 | + |
|
1067 | + //if group really still exists, we will be able to read its objectclass |
|
1068 | + if(!is_array($this->access->readAttribute($dn, ''))) { |
|
1069 | + $this->access->connection->writeToCache('groupExists'.$gid, false); |
|
1070 | + return false; |
|
1071 | + } |
|
1072 | + |
|
1073 | + $this->access->connection->writeToCache('groupExists'.$gid, true); |
|
1074 | + return true; |
|
1075 | + } |
|
1076 | + |
|
1077 | + /** |
|
1078 | + * Check if backend implements actions |
|
1079 | + * @param int $actions bitwise-or'ed actions |
|
1080 | + * @return boolean |
|
1081 | + * |
|
1082 | + * Returns the supported actions as int to be |
|
1083 | + * compared with GroupInterface::CREATE_GROUP etc. |
|
1084 | + */ |
|
1085 | + public function implementsActions($actions) { |
|
1086 | + return (bool)((GroupInterface::COUNT_USERS | |
|
1087 | + $this->groupPluginManager->getImplementedActions()) & $actions); |
|
1088 | + } |
|
1089 | + |
|
1090 | + /** |
|
1091 | + * Return access for LDAP interaction. |
|
1092 | + * @return Access instance of Access for LDAP interaction |
|
1093 | + */ |
|
1094 | + public function getLDAPAccess($gid) { |
|
1095 | + return $this->access; |
|
1096 | + } |
|
1097 | + |
|
1098 | + /** |
|
1099 | + * create a group |
|
1100 | + * @param string $gid |
|
1101 | + * @return bool |
|
1102 | + * @throws \Exception |
|
1103 | + */ |
|
1104 | + public function createGroup($gid) { |
|
1105 | + if ($this->groupPluginManager->implementsActions(GroupInterface::CREATE_GROUP)) { |
|
1106 | + if ($dn = $this->groupPluginManager->createGroup($gid)) { |
|
1107 | + //updates group mapping |
|
1108 | + $this->access->dn2ocname($dn, $gid, false); |
|
1109 | + $this->access->connection->writeToCache("groupExists".$gid, true); |
|
1110 | + } |
|
1111 | + return $dn != null; |
|
1112 | + } |
|
1113 | + throw new \Exception('Could not create group in LDAP backend.'); |
|
1114 | + } |
|
1115 | + |
|
1116 | + /** |
|
1117 | + * delete a group |
|
1118 | + * @param string $gid gid of the group to delete |
|
1119 | + * @return bool |
|
1120 | + * @throws \Exception |
|
1121 | + */ |
|
1122 | + public function deleteGroup($gid) { |
|
1123 | + if ($this->groupPluginManager->implementsActions(GroupInterface::DELETE_GROUP)) { |
|
1124 | + if ($ret = $this->groupPluginManager->deleteGroup($gid)) { |
|
1125 | + #delete group in nextcloud internal db |
|
1126 | + $this->access->getGroupMapper()->unmap($gid); |
|
1127 | + $this->access->connection->writeToCache("groupExists".$gid, false); |
|
1128 | + } |
|
1129 | + return $ret; |
|
1130 | + } |
|
1131 | + throw new \Exception('Could not delete group in LDAP backend.'); |
|
1132 | + } |
|
1133 | + |
|
1134 | + /** |
|
1135 | + * Add a user to a group |
|
1136 | + * @param string $uid Name of the user to add to group |
|
1137 | + * @param string $gid Name of the group in which add the user |
|
1138 | + * @return bool |
|
1139 | + * @throws \Exception |
|
1140 | + */ |
|
1141 | + public function addToGroup($uid, $gid) { |
|
1142 | + if ($this->groupPluginManager->implementsActions(GroupInterface::ADD_TO_GROUP)) { |
|
1143 | + if ($ret = $this->groupPluginManager->addToGroup($uid, $gid)) { |
|
1144 | + $this->access->connection->clearCache(); |
|
1145 | + } |
|
1146 | + return $ret; |
|
1147 | + } |
|
1148 | + throw new \Exception('Could not add user to group in LDAP backend.'); |
|
1149 | + } |
|
1150 | + |
|
1151 | + /** |
|
1152 | + * Removes a user from a group |
|
1153 | + * @param string $uid Name of the user to remove from group |
|
1154 | + * @param string $gid Name of the group from which remove the user |
|
1155 | + * @return bool |
|
1156 | + * @throws \Exception |
|
1157 | + */ |
|
1158 | + public function removeFromGroup($uid, $gid) { |
|
1159 | + if ($this->groupPluginManager->implementsActions(GroupInterface::REMOVE_FROM_GROUP)) { |
|
1160 | + if ($ret = $this->groupPluginManager->removeFromGroup($uid, $gid)) { |
|
1161 | + $this->access->connection->clearCache(); |
|
1162 | + } |
|
1163 | + return $ret; |
|
1164 | + } |
|
1165 | + throw new \Exception('Could not remove user from group in LDAP backend.'); |
|
1166 | + } |
|
1167 | + |
|
1168 | + /** |
|
1169 | + * Gets group details |
|
1170 | + * @param string $gid Name of the group |
|
1171 | + * @return array | false |
|
1172 | + * @throws \Exception |
|
1173 | + */ |
|
1174 | + public function getGroupDetails($gid) { |
|
1175 | + if ($this->groupPluginManager->implementsActions(GroupInterface::GROUP_DETAILS)) { |
|
1176 | + return $this->groupPluginManager->getGroupDetails($gid); |
|
1177 | + } |
|
1178 | + throw new \Exception('Could not get group details in LDAP backend.'); |
|
1179 | + } |
|
1180 | + |
|
1181 | + /** |
|
1182 | + * Return LDAP connection resource from a cloned connection. |
|
1183 | + * The cloned connection needs to be closed manually. |
|
1184 | + * of the current access. |
|
1185 | + * @param string $gid |
|
1186 | + * @return resource of the LDAP connection |
|
1187 | + */ |
|
1188 | + public function getNewLDAPConnection($gid) { |
|
1189 | + $connection = clone $this->access->getConnection(); |
|
1190 | + return $connection->getConnectionResource(); |
|
1191 | + } |
|
1192 | 1192 | |
1193 | 1193 | } |
@@ -64,7 +64,7 @@ discard block |
||
64 | 64 | parent::__construct($access); |
65 | 65 | $filter = $this->access->connection->ldapGroupFilter; |
66 | 66 | $gassoc = $this->access->connection->ldapGroupMemberAssocAttr; |
67 | - if(!empty($filter) && !empty($gassoc)) { |
|
67 | + if (!empty($filter) && !empty($gassoc)) { |
|
68 | 68 | $this->enabled = true; |
69 | 69 | } |
70 | 70 | |
@@ -82,25 +82,25 @@ discard block |
||
82 | 82 | * Checks whether the user is member of a group or not. |
83 | 83 | */ |
84 | 84 | public function inGroup($uid, $gid) { |
85 | - if(!$this->enabled) { |
|
85 | + if (!$this->enabled) { |
|
86 | 86 | return false; |
87 | 87 | } |
88 | 88 | $cacheKey = 'inGroup'.$uid.':'.$gid; |
89 | 89 | $inGroup = $this->access->connection->getFromCache($cacheKey); |
90 | - if(!is_null($inGroup)) { |
|
91 | - return (bool)$inGroup; |
|
90 | + if (!is_null($inGroup)) { |
|
91 | + return (bool) $inGroup; |
|
92 | 92 | } |
93 | 93 | |
94 | 94 | $userDN = $this->access->username2dn($uid); |
95 | 95 | |
96 | - if(isset($this->cachedGroupMembers[$gid])) { |
|
96 | + if (isset($this->cachedGroupMembers[$gid])) { |
|
97 | 97 | $isInGroup = in_array($userDN, $this->cachedGroupMembers[$gid]); |
98 | 98 | return $isInGroup; |
99 | 99 | } |
100 | 100 | |
101 | 101 | $cacheKeyMembers = 'inGroup-members:'.$gid; |
102 | 102 | $members = $this->access->connection->getFromCache($cacheKeyMembers); |
103 | - if(!is_null($members)) { |
|
103 | + if (!is_null($members)) { |
|
104 | 104 | $this->cachedGroupMembers[$gid] = $members; |
105 | 105 | $isInGroup = in_array($userDN, $members); |
106 | 106 | $this->access->connection->writeToCache($cacheKey, $isInGroup); |
@@ -109,13 +109,13 @@ discard block |
||
109 | 109 | |
110 | 110 | $groupDN = $this->access->groupname2dn($gid); |
111 | 111 | // just in case |
112 | - if(!$groupDN || !$userDN) { |
|
112 | + if (!$groupDN || !$userDN) { |
|
113 | 113 | $this->access->connection->writeToCache($cacheKey, false); |
114 | 114 | return false; |
115 | 115 | } |
116 | 116 | |
117 | 117 | //check primary group first |
118 | - if($gid === $this->getUserPrimaryGroup($userDN)) { |
|
118 | + if ($gid === $this->getUserPrimaryGroup($userDN)) { |
|
119 | 119 | $this->access->connection->writeToCache($cacheKey, true); |
120 | 120 | return true; |
121 | 121 | } |
@@ -123,21 +123,21 @@ discard block |
||
123 | 123 | //usually, LDAP attributes are said to be case insensitive. But there are exceptions of course. |
124 | 124 | $members = $this->_groupMembers($groupDN); |
125 | 125 | $members = array_keys($members); // uids are returned as keys |
126 | - if(!is_array($members) || count($members) === 0) { |
|
126 | + if (!is_array($members) || count($members) === 0) { |
|
127 | 127 | $this->access->connection->writeToCache($cacheKey, false); |
128 | 128 | return false; |
129 | 129 | } |
130 | 130 | |
131 | 131 | //extra work if we don't get back user DNs |
132 | - if(strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid') { |
|
132 | + if (strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid') { |
|
133 | 133 | $dns = array(); |
134 | 134 | $filterParts = array(); |
135 | 135 | $bytes = 0; |
136 | - foreach($members as $mid) { |
|
136 | + foreach ($members as $mid) { |
|
137 | 137 | $filter = str_replace('%uid', $mid, $this->access->connection->ldapLoginFilter); |
138 | 138 | $filterParts[] = $filter; |
139 | 139 | $bytes += strlen($filter); |
140 | - if($bytes >= 9000000) { |
|
140 | + if ($bytes >= 9000000) { |
|
141 | 141 | // AD has a default input buffer of 10 MB, we do not want |
142 | 142 | // to take even the chance to exceed it |
143 | 143 | $filter = $this->access->combineFilterWithOr($filterParts); |
@@ -147,7 +147,7 @@ discard block |
||
147 | 147 | $dns = array_merge($dns, $users); |
148 | 148 | } |
149 | 149 | } |
150 | - if(count($filterParts) > 0) { |
|
150 | + if (count($filterParts) > 0) { |
|
151 | 151 | $filter = $this->access->combineFilterWithOr($filterParts); |
152 | 152 | $users = $this->access->fetchListOfUsers($filter, 'dn', count($filterParts)); |
153 | 153 | $dns = array_merge($dns, $users); |
@@ -190,14 +190,14 @@ discard block |
||
190 | 190 | $pos = strpos($memberURLs[0], '('); |
191 | 191 | if ($pos !== false) { |
192 | 192 | $memberUrlFilter = substr($memberURLs[0], $pos); |
193 | - $foundMembers = $this->access->searchUsers($memberUrlFilter,'dn'); |
|
193 | + $foundMembers = $this->access->searchUsers($memberUrlFilter, 'dn'); |
|
194 | 194 | $dynamicMembers = array(); |
195 | - foreach($foundMembers as $value) { |
|
195 | + foreach ($foundMembers as $value) { |
|
196 | 196 | $dynamicMembers[$value['dn'][0]] = 1; |
197 | 197 | } |
198 | 198 | } else { |
199 | 199 | \OCP\Util::writeLog('user_ldap', 'No search filter found on member url '. |
200 | - 'of group ' . $dnGroup, \OCP\Util::DEBUG); |
|
200 | + 'of group '.$dnGroup, \OCP\Util::DEBUG); |
|
201 | 201 | } |
202 | 202 | } |
203 | 203 | return $dynamicMembers; |
@@ -221,7 +221,7 @@ discard block |
||
221 | 221 | // used extensively in cron job, caching makes sense for nested groups |
222 | 222 | $cacheKey = '_groupMembers'.$dnGroup; |
223 | 223 | $groupMembers = $this->access->connection->getFromCache($cacheKey); |
224 | - if($groupMembers !== null) { |
|
224 | + if ($groupMembers !== null) { |
|
225 | 225 | return $groupMembers; |
226 | 226 | } |
227 | 227 | $seen[$dnGroup] = 1; |
@@ -265,7 +265,7 @@ discard block |
||
265 | 265 | return array(); |
266 | 266 | } |
267 | 267 | $groups = $this->access->groupsMatchFilter($groups); |
268 | - $allGroups = $groups; |
|
268 | + $allGroups = $groups; |
|
269 | 269 | $nestedGroups = $this->access->connection->ldapNestedGroups; |
270 | 270 | if (intval($nestedGroups) === 1) { |
271 | 271 | foreach ($groups as $group) { |
@@ -283,9 +283,9 @@ discard block |
||
283 | 283 | * @return string|bool |
284 | 284 | */ |
285 | 285 | public function gidNumber2Name($gid, $dn) { |
286 | - $cacheKey = 'gidNumberToName' . $gid; |
|
286 | + $cacheKey = 'gidNumberToName'.$gid; |
|
287 | 287 | $groupName = $this->access->connection->getFromCache($cacheKey); |
288 | - if(!is_null($groupName) && isset($groupName)) { |
|
288 | + if (!is_null($groupName) && isset($groupName)) { |
|
289 | 289 | return $groupName; |
290 | 290 | } |
291 | 291 | |
@@ -293,10 +293,10 @@ discard block |
||
293 | 293 | $filter = $this->access->combineFilterWithAnd([ |
294 | 294 | $this->access->connection->ldapGroupFilter, |
295 | 295 | 'objectClass=posixGroup', |
296 | - $this->access->connection->ldapGidNumber . '=' . $gid |
|
296 | + $this->access->connection->ldapGidNumber.'='.$gid |
|
297 | 297 | ]); |
298 | 298 | $result = $this->access->searchGroups($filter, array('dn'), 1); |
299 | - if(empty($result)) { |
|
299 | + if (empty($result)) { |
|
300 | 300 | return false; |
301 | 301 | } |
302 | 302 | $dn = $result[0]['dn'][0]; |
@@ -319,7 +319,7 @@ discard block |
||
319 | 319 | */ |
320 | 320 | private function getEntryGidNumber($dn, $attribute) { |
321 | 321 | $value = $this->access->readAttribute($dn, $attribute); |
322 | - if(is_array($value) && !empty($value)) { |
|
322 | + if (is_array($value) && !empty($value)) { |
|
323 | 323 | return $value[0]; |
324 | 324 | } |
325 | 325 | return false; |
@@ -341,9 +341,9 @@ discard block |
||
341 | 341 | */ |
342 | 342 | public function getUserGidNumber($dn) { |
343 | 343 | $gidNumber = false; |
344 | - if($this->access->connection->hasGidNumber) { |
|
344 | + if ($this->access->connection->hasGidNumber) { |
|
345 | 345 | $gidNumber = $this->getEntryGidNumber($dn, $this->access->connection->ldapGidNumber); |
346 | - if($gidNumber === false) { |
|
346 | + if ($gidNumber === false) { |
|
347 | 347 | $this->access->connection->hasGidNumber = false; |
348 | 348 | } |
349 | 349 | } |
@@ -360,7 +360,7 @@ discard block |
||
360 | 360 | */ |
361 | 361 | private function prepareFilterForUsersHasGidNumber($groupDN, $search = '') { |
362 | 362 | $groupID = $this->getGroupGidNumber($groupDN); |
363 | - if($groupID === false) { |
|
363 | + if ($groupID === false) { |
|
364 | 364 | throw new \Exception('Not a valid group'); |
365 | 365 | } |
366 | 366 | |
@@ -369,7 +369,7 @@ discard block |
||
369 | 369 | if ($search !== '') { |
370 | 370 | $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
371 | 371 | } |
372 | - $filterParts[] = $this->access->connection->ldapGidNumber .'=' . $groupID; |
|
372 | + $filterParts[] = $this->access->connection->ldapGidNumber.'='.$groupID; |
|
373 | 373 | |
374 | 374 | $filter = $this->access->combineFilterWithAnd($filterParts); |
375 | 375 | |
@@ -413,7 +413,7 @@ discard block |
||
413 | 413 | try { |
414 | 414 | $filter = $this->prepareFilterForUsersHasGidNumber($groupDN, $search); |
415 | 415 | $users = $this->access->countUsers($filter, ['dn'], $limit, $offset); |
416 | - return (int)$users; |
|
416 | + return (int) $users; |
|
417 | 417 | } catch (\Exception $e) { |
418 | 418 | return 0; |
419 | 419 | } |
@@ -426,9 +426,9 @@ discard block |
||
426 | 426 | */ |
427 | 427 | public function getUserGroupByGid($dn) { |
428 | 428 | $groupID = $this->getUserGidNumber($dn); |
429 | - if($groupID !== false) { |
|
429 | + if ($groupID !== false) { |
|
430 | 430 | $groupName = $this->gidNumber2Name($groupID, $dn); |
431 | - if($groupName !== false) { |
|
431 | + if ($groupName !== false) { |
|
432 | 432 | return $groupName; |
433 | 433 | } |
434 | 434 | } |
@@ -445,22 +445,22 @@ discard block |
||
445 | 445 | public function primaryGroupID2Name($gid, $dn) { |
446 | 446 | $cacheKey = 'primaryGroupIDtoName'; |
447 | 447 | $groupNames = $this->access->connection->getFromCache($cacheKey); |
448 | - if(!is_null($groupNames) && isset($groupNames[$gid])) { |
|
448 | + if (!is_null($groupNames) && isset($groupNames[$gid])) { |
|
449 | 449 | return $groupNames[$gid]; |
450 | 450 | } |
451 | 451 | |
452 | 452 | $domainObjectSid = $this->access->getSID($dn); |
453 | - if($domainObjectSid === false) { |
|
453 | + if ($domainObjectSid === false) { |
|
454 | 454 | return false; |
455 | 455 | } |
456 | 456 | |
457 | 457 | //we need to get the DN from LDAP |
458 | 458 | $filter = $this->access->combineFilterWithAnd(array( |
459 | 459 | $this->access->connection->ldapGroupFilter, |
460 | - 'objectsid=' . $domainObjectSid . '-' . $gid |
|
460 | + 'objectsid='.$domainObjectSid.'-'.$gid |
|
461 | 461 | )); |
462 | 462 | $result = $this->access->searchGroups($filter, array('dn'), 1); |
463 | - if(empty($result)) { |
|
463 | + if (empty($result)) { |
|
464 | 464 | return false; |
465 | 465 | } |
466 | 466 | $dn = $result[0]['dn'][0]; |
@@ -483,7 +483,7 @@ discard block |
||
483 | 483 | */ |
484 | 484 | private function getEntryGroupID($dn, $attribute) { |
485 | 485 | $value = $this->access->readAttribute($dn, $attribute); |
486 | - if(is_array($value) && !empty($value)) { |
|
486 | + if (is_array($value) && !empty($value)) { |
|
487 | 487 | return $value[0]; |
488 | 488 | } |
489 | 489 | return false; |
@@ -505,9 +505,9 @@ discard block |
||
505 | 505 | */ |
506 | 506 | public function getUserPrimaryGroupIDs($dn) { |
507 | 507 | $primaryGroupID = false; |
508 | - if($this->access->connection->hasPrimaryGroups) { |
|
508 | + if ($this->access->connection->hasPrimaryGroups) { |
|
509 | 509 | $primaryGroupID = $this->getEntryGroupID($dn, 'primaryGroupID'); |
510 | - if($primaryGroupID === false) { |
|
510 | + if ($primaryGroupID === false) { |
|
511 | 511 | $this->access->connection->hasPrimaryGroups = false; |
512 | 512 | } |
513 | 513 | } |
@@ -524,7 +524,7 @@ discard block |
||
524 | 524 | */ |
525 | 525 | private function prepareFilterForUsersInPrimaryGroup($groupDN, $search = '') { |
526 | 526 | $groupID = $this->getGroupPrimaryGroupID($groupDN); |
527 | - if($groupID === false) { |
|
527 | + if ($groupID === false) { |
|
528 | 528 | throw new \Exception('Not a valid group'); |
529 | 529 | } |
530 | 530 | |
@@ -533,7 +533,7 @@ discard block |
||
533 | 533 | if ($search !== '') { |
534 | 534 | $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
535 | 535 | } |
536 | - $filterParts[] = 'primaryGroupID=' . $groupID; |
|
536 | + $filterParts[] = 'primaryGroupID='.$groupID; |
|
537 | 537 | |
538 | 538 | $filter = $this->access->combineFilterWithAnd($filterParts); |
539 | 539 | |
@@ -577,7 +577,7 @@ discard block |
||
577 | 577 | try { |
578 | 578 | $filter = $this->prepareFilterForUsersInPrimaryGroup($groupDN, $search); |
579 | 579 | $users = $this->access->countUsers($filter, array('dn'), $limit, $offset); |
580 | - return (int)$users; |
|
580 | + return (int) $users; |
|
581 | 581 | } catch (\Exception $e) { |
582 | 582 | return 0; |
583 | 583 | } |
@@ -590,9 +590,9 @@ discard block |
||
590 | 590 | */ |
591 | 591 | public function getUserPrimaryGroup($dn) { |
592 | 592 | $groupID = $this->getUserPrimaryGroupIDs($dn); |
593 | - if($groupID !== false) { |
|
593 | + if ($groupID !== false) { |
|
594 | 594 | $groupName = $this->primaryGroupID2Name($groupID, $dn); |
595 | - if($groupName !== false) { |
|
595 | + if ($groupName !== false) { |
|
596 | 596 | return $groupName; |
597 | 597 | } |
598 | 598 | } |
@@ -611,16 +611,16 @@ discard block |
||
611 | 611 | * This function includes groups based on dynamic group membership. |
612 | 612 | */ |
613 | 613 | public function getUserGroups($uid) { |
614 | - if(!$this->enabled) { |
|
614 | + if (!$this->enabled) { |
|
615 | 615 | return array(); |
616 | 616 | } |
617 | 617 | $cacheKey = 'getUserGroups'.$uid; |
618 | 618 | $userGroups = $this->access->connection->getFromCache($cacheKey); |
619 | - if(!is_null($userGroups)) { |
|
619 | + if (!is_null($userGroups)) { |
|
620 | 620 | return $userGroups; |
621 | 621 | } |
622 | 622 | $userDN = $this->access->username2dn($uid); |
623 | - if(!$userDN) { |
|
623 | + if (!$userDN) { |
|
624 | 624 | $this->access->connection->writeToCache($cacheKey, array()); |
625 | 625 | return array(); |
626 | 626 | } |
@@ -634,14 +634,14 @@ discard block |
||
634 | 634 | if (!empty($dynamicGroupMemberURL)) { |
635 | 635 | // look through dynamic groups to add them to the result array if needed |
636 | 636 | $groupsToMatch = $this->access->fetchListOfGroups( |
637 | - $this->access->connection->ldapGroupFilter,array('dn',$dynamicGroupMemberURL)); |
|
638 | - foreach($groupsToMatch as $dynamicGroup) { |
|
637 | + $this->access->connection->ldapGroupFilter, array('dn', $dynamicGroupMemberURL)); |
|
638 | + foreach ($groupsToMatch as $dynamicGroup) { |
|
639 | 639 | if (!array_key_exists($dynamicGroupMemberURL, $dynamicGroup)) { |
640 | 640 | continue; |
641 | 641 | } |
642 | 642 | $pos = strpos($dynamicGroup[$dynamicGroupMemberURL][0], '('); |
643 | 643 | if ($pos !== false) { |
644 | - $memberUrlFilter = substr($dynamicGroup[$dynamicGroupMemberURL][0],$pos); |
|
644 | + $memberUrlFilter = substr($dynamicGroup[$dynamicGroupMemberURL][0], $pos); |
|
645 | 645 | // apply filter via ldap search to see if this user is in this |
646 | 646 | // dynamic group |
647 | 647 | $userMatch = $this->access->readAttribute( |
@@ -652,7 +652,7 @@ discard block |
||
652 | 652 | if ($userMatch !== false) { |
653 | 653 | // match found so this user is in this group |
654 | 654 | $groupName = $this->access->dn2groupname($dynamicGroup['dn'][0]); |
655 | - if(is_string($groupName)) { |
|
655 | + if (is_string($groupName)) { |
|
656 | 656 | // be sure to never return false if the dn could not be |
657 | 657 | // resolved to a name, for whatever reason. |
658 | 658 | $groups[] = $groupName; |
@@ -660,7 +660,7 @@ discard block |
||
660 | 660 | } |
661 | 661 | } else { |
662 | 662 | \OCP\Util::writeLog('user_ldap', 'No search filter found on member url '. |
663 | - 'of group ' . print_r($dynamicGroup, true), \OCP\Util::DEBUG); |
|
663 | + 'of group '.print_r($dynamicGroup, true), \OCP\Util::DEBUG); |
|
664 | 664 | } |
665 | 665 | } |
666 | 666 | } |
@@ -668,7 +668,7 @@ discard block |
||
668 | 668 | // if possible, read out membership via memberOf. It's far faster than |
669 | 669 | // performing a search, which still is a fallback later. |
670 | 670 | // memberof doesn't support memberuid, so skip it here. |
671 | - if(intval($this->access->connection->hasMemberOfFilterSupport) === 1 |
|
671 | + if (intval($this->access->connection->hasMemberOfFilterSupport) === 1 |
|
672 | 672 | && intval($this->access->connection->useMemberOfToDetectMembership) === 1 |
673 | 673 | && strtolower($this->access->connection->ldapGroupMemberAssocAttr) !== 'memberuid' |
674 | 674 | ) { |
@@ -676,7 +676,7 @@ discard block |
||
676 | 676 | if (is_array($groupDNs)) { |
677 | 677 | foreach ($groupDNs as $dn) { |
678 | 678 | $groupName = $this->access->dn2groupname($dn); |
679 | - if(is_string($groupName)) { |
|
679 | + if (is_string($groupName)) { |
|
680 | 680 | // be sure to never return false if the dn could not be |
681 | 681 | // resolved to a name, for whatever reason. |
682 | 682 | $groups[] = $groupName; |
@@ -684,10 +684,10 @@ discard block |
||
684 | 684 | } |
685 | 685 | } |
686 | 686 | |
687 | - if($primaryGroup !== false) { |
|
687 | + if ($primaryGroup !== false) { |
|
688 | 688 | $groups[] = $primaryGroup; |
689 | 689 | } |
690 | - if($gidGroupName !== false) { |
|
690 | + if ($gidGroupName !== false) { |
|
691 | 691 | $groups[] = $gidGroupName; |
692 | 692 | } |
693 | 693 | $this->access->connection->writeToCache($cacheKey, $groups); |
@@ -695,14 +695,14 @@ discard block |
||
695 | 695 | } |
696 | 696 | |
697 | 697 | //uniqueMember takes DN, memberuid the uid, so we need to distinguish |
698 | - if((strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'uniquemember') |
|
698 | + if ((strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'uniquemember') |
|
699 | 699 | || (strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'member') |
700 | 700 | ) { |
701 | 701 | $uid = $userDN; |
702 | - } else if(strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid') { |
|
702 | + } else if (strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid') { |
|
703 | 703 | $result = $this->access->readAttribute($userDN, 'uid'); |
704 | 704 | if ($result === false) { |
705 | - \OCP\Util::writeLog('user_ldap', 'No uid attribute found for DN ' . $userDN . ' on '. |
|
705 | + \OCP\Util::writeLog('user_ldap', 'No uid attribute found for DN '.$userDN.' on '. |
|
706 | 706 | $this->access->connection->ldapHost, \OCP\Util::DEBUG); |
707 | 707 | } |
708 | 708 | $uid = $result[0]; |
@@ -711,7 +711,7 @@ discard block |
||
711 | 711 | $uid = $userDN; |
712 | 712 | } |
713 | 713 | |
714 | - if(isset($this->cachedGroupsByMember[$uid])) { |
|
714 | + if (isset($this->cachedGroupsByMember[$uid])) { |
|
715 | 715 | $groups = array_merge($groups, $this->cachedGroupsByMember[$uid]); |
716 | 716 | } else { |
717 | 717 | $groupsByMember = array_values($this->getGroupsByMember($uid)); |
@@ -720,10 +720,10 @@ discard block |
||
720 | 720 | $groups = array_merge($groups, $groupsByMember); |
721 | 721 | } |
722 | 722 | |
723 | - if($primaryGroup !== false) { |
|
723 | + if ($primaryGroup !== false) { |
|
724 | 724 | $groups[] = $primaryGroup; |
725 | 725 | } |
726 | - if($gidGroupName !== false) { |
|
726 | + if ($gidGroupName !== false) { |
|
727 | 727 | $groups[] = $gidGroupName; |
728 | 728 | } |
729 | 729 | |
@@ -761,7 +761,7 @@ discard block |
||
761 | 761 | $nestedGroups = $this->access->connection->ldapNestedGroups; |
762 | 762 | if (!empty($nestedGroups)) { |
763 | 763 | $supergroups = $this->getGroupsByMember($groupDN, $seen); |
764 | - if (is_array($supergroups) && (count($supergroups)>0)) { |
|
764 | + if (is_array($supergroups) && (count($supergroups) > 0)) { |
|
765 | 765 | $allGroups = array_merge($allGroups, $supergroups); |
766 | 766 | } |
767 | 767 | } |
@@ -780,33 +780,33 @@ discard block |
||
780 | 780 | * @return array with user ids |
781 | 781 | */ |
782 | 782 | public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) { |
783 | - if(!$this->enabled) { |
|
783 | + if (!$this->enabled) { |
|
784 | 784 | return array(); |
785 | 785 | } |
786 | - if(!$this->groupExists($gid)) { |
|
786 | + if (!$this->groupExists($gid)) { |
|
787 | 787 | return array(); |
788 | 788 | } |
789 | 789 | $search = $this->access->escapeFilterPart($search, true); |
790 | 790 | $cacheKey = 'usersInGroup-'.$gid.'-'.$search.'-'.$limit.'-'.$offset; |
791 | 791 | // check for cache of the exact query |
792 | 792 | $groupUsers = $this->access->connection->getFromCache($cacheKey); |
793 | - if(!is_null($groupUsers)) { |
|
793 | + if (!is_null($groupUsers)) { |
|
794 | 794 | return $groupUsers; |
795 | 795 | } |
796 | 796 | |
797 | 797 | // check for cache of the query without limit and offset |
798 | 798 | $groupUsers = $this->access->connection->getFromCache('usersInGroup-'.$gid.'-'.$search); |
799 | - if(!is_null($groupUsers)) { |
|
799 | + if (!is_null($groupUsers)) { |
|
800 | 800 | $groupUsers = array_slice($groupUsers, $offset, $limit); |
801 | 801 | $this->access->connection->writeToCache($cacheKey, $groupUsers); |
802 | 802 | return $groupUsers; |
803 | 803 | } |
804 | 804 | |
805 | - if($limit === -1) { |
|
805 | + if ($limit === -1) { |
|
806 | 806 | $limit = null; |
807 | 807 | } |
808 | 808 | $groupDN = $this->access->groupname2dn($gid); |
809 | - if(!$groupDN) { |
|
809 | + if (!$groupDN) { |
|
810 | 810 | // group couldn't be found, return empty resultset |
811 | 811 | $this->access->connection->writeToCache($cacheKey, array()); |
812 | 812 | return array(); |
@@ -815,7 +815,7 @@ discard block |
||
815 | 815 | $primaryUsers = $this->getUsersInPrimaryGroup($groupDN, $search, $limit, $offset); |
816 | 816 | $posixGroupUsers = $this->getUsersInGidNumber($groupDN, $search, $limit, $offset); |
817 | 817 | $members = array_keys($this->_groupMembers($groupDN)); |
818 | - if(!$members && empty($posixGroupUsers) && empty($primaryUsers)) { |
|
818 | + if (!$members && empty($posixGroupUsers) && empty($primaryUsers)) { |
|
819 | 819 | //in case users could not be retrieved, return empty result set |
820 | 820 | $this->access->connection->writeToCache($cacheKey, []); |
821 | 821 | return []; |
@@ -824,29 +824,29 @@ discard block |
||
824 | 824 | $groupUsers = array(); |
825 | 825 | $isMemberUid = (strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid'); |
826 | 826 | $attrs = $this->access->userManager->getAttributes(true); |
827 | - foreach($members as $member) { |
|
828 | - if($isMemberUid) { |
|
827 | + foreach ($members as $member) { |
|
828 | + if ($isMemberUid) { |
|
829 | 829 | //we got uids, need to get their DNs to 'translate' them to user names |
830 | 830 | $filter = $this->access->combineFilterWithAnd(array( |
831 | 831 | str_replace('%uid', trim($member), $this->access->connection->ldapLoginFilter), |
832 | 832 | $this->access->getFilterPartForUserSearch($search) |
833 | 833 | )); |
834 | 834 | $ldap_users = $this->access->fetchListOfUsers($filter, $attrs, 1); |
835 | - if(count($ldap_users) < 1) { |
|
835 | + if (count($ldap_users) < 1) { |
|
836 | 836 | continue; |
837 | 837 | } |
838 | 838 | $groupUsers[] = $this->access->dn2username($ldap_users[0]['dn'][0]); |
839 | 839 | } else { |
840 | 840 | //we got DNs, check if we need to filter by search or we can give back all of them |
841 | 841 | if ($search !== '') { |
842 | - if(!$this->access->readAttribute($member, |
|
842 | + if (!$this->access->readAttribute($member, |
|
843 | 843 | $this->access->connection->ldapUserDisplayName, |
844 | 844 | $this->access->getFilterPartForUserSearch($search))) { |
845 | 845 | continue; |
846 | 846 | } |
847 | 847 | } |
848 | 848 | // dn2username will also check if the users belong to the allowed base |
849 | - if($ocname = $this->access->dn2username($member)) { |
|
849 | + if ($ocname = $this->access->dn2username($member)) { |
|
850 | 850 | $groupUsers[] = $ocname; |
851 | 851 | } |
852 | 852 | } |
@@ -874,16 +874,16 @@ discard block |
||
874 | 874 | } |
875 | 875 | |
876 | 876 | $cacheKey = 'countUsersInGroup-'.$gid.'-'.$search; |
877 | - if(!$this->enabled || !$this->groupExists($gid)) { |
|
877 | + if (!$this->enabled || !$this->groupExists($gid)) { |
|
878 | 878 | return false; |
879 | 879 | } |
880 | 880 | $groupUsers = $this->access->connection->getFromCache($cacheKey); |
881 | - if(!is_null($groupUsers)) { |
|
881 | + if (!is_null($groupUsers)) { |
|
882 | 882 | return $groupUsers; |
883 | 883 | } |
884 | 884 | |
885 | 885 | $groupDN = $this->access->groupname2dn($gid); |
886 | - if(!$groupDN) { |
|
886 | + if (!$groupDN) { |
|
887 | 887 | // group couldn't be found, return empty result set |
888 | 888 | $this->access->connection->writeToCache($cacheKey, false); |
889 | 889 | return false; |
@@ -891,7 +891,7 @@ discard block |
||
891 | 891 | |
892 | 892 | $members = array_keys($this->_groupMembers($groupDN)); |
893 | 893 | $primaryUserCount = $this->countUsersInPrimaryGroup($groupDN, ''); |
894 | - if(!$members && $primaryUserCount === 0) { |
|
894 | + if (!$members && $primaryUserCount === 0) { |
|
895 | 895 | //in case users could not be retrieved, return empty result set |
896 | 896 | $this->access->connection->writeToCache($cacheKey, false); |
897 | 897 | return false; |
@@ -916,27 +916,27 @@ discard block |
||
916 | 916 | //For now this is not important, because the only use of this method |
917 | 917 | //does not supply a search string |
918 | 918 | $groupUsers = array(); |
919 | - foreach($members as $member) { |
|
920 | - if($isMemberUid) { |
|
919 | + foreach ($members as $member) { |
|
920 | + if ($isMemberUid) { |
|
921 | 921 | //we got uids, need to get their DNs to 'translate' them to user names |
922 | 922 | $filter = $this->access->combineFilterWithAnd(array( |
923 | 923 | str_replace('%uid', $member, $this->access->connection->ldapLoginFilter), |
924 | 924 | $this->access->getFilterPartForUserSearch($search) |
925 | 925 | )); |
926 | 926 | $ldap_users = $this->access->fetchListOfUsers($filter, 'dn', 1); |
927 | - if(count($ldap_users) < 1) { |
|
927 | + if (count($ldap_users) < 1) { |
|
928 | 928 | continue; |
929 | 929 | } |
930 | 930 | $groupUsers[] = $this->access->dn2username($ldap_users[0]); |
931 | 931 | } else { |
932 | 932 | //we need to apply the search filter now |
933 | - if(!$this->access->readAttribute($member, |
|
933 | + if (!$this->access->readAttribute($member, |
|
934 | 934 | $this->access->connection->ldapUserDisplayName, |
935 | 935 | $this->access->getFilterPartForUserSearch($search))) { |
936 | 936 | continue; |
937 | 937 | } |
938 | 938 | // dn2username will also check if the users belong to the allowed base |
939 | - if($ocname = $this->access->dn2username($member)) { |
|
939 | + if ($ocname = $this->access->dn2username($member)) { |
|
940 | 940 | $groupUsers[] = $ocname; |
941 | 941 | } |
942 | 942 | } |
@@ -959,7 +959,7 @@ discard block |
||
959 | 959 | * Returns a list with all groups (used by getGroups) |
960 | 960 | */ |
961 | 961 | protected function getGroupsChunk($search = '', $limit = -1, $offset = 0) { |
962 | - if(!$this->enabled) { |
|
962 | + if (!$this->enabled) { |
|
963 | 963 | return array(); |
964 | 964 | } |
965 | 965 | $cacheKey = 'getGroups-'.$search.'-'.$limit.'-'.$offset; |
@@ -967,13 +967,13 @@ discard block |
||
967 | 967 | //Check cache before driving unnecessary searches |
968 | 968 | \OCP\Util::writeLog('user_ldap', 'getGroups '.$cacheKey, \OCP\Util::DEBUG); |
969 | 969 | $ldap_groups = $this->access->connection->getFromCache($cacheKey); |
970 | - if(!is_null($ldap_groups)) { |
|
970 | + if (!is_null($ldap_groups)) { |
|
971 | 971 | return $ldap_groups; |
972 | 972 | } |
973 | 973 | |
974 | 974 | // if we'd pass -1 to LDAP search, we'd end up in a Protocol |
975 | 975 | // error. With a limit of 0, we get 0 results. So we pass null. |
976 | - if($limit <= 0) { |
|
976 | + if ($limit <= 0) { |
|
977 | 977 | $limit = null; |
978 | 978 | } |
979 | 979 | $filter = $this->access->combineFilterWithAnd(array( |
@@ -1005,7 +1005,7 @@ discard block |
||
1005 | 1005 | * (active directory has a limit of 1000 by default) |
1006 | 1006 | */ |
1007 | 1007 | public function getGroups($search = '', $limit = -1, $offset = 0) { |
1008 | - if(!$this->enabled) { |
|
1008 | + if (!$this->enabled) { |
|
1009 | 1009 | return array(); |
1010 | 1010 | } |
1011 | 1011 | $search = $this->access->escapeFilterPart($search, true); |
@@ -1052,20 +1052,20 @@ discard block |
||
1052 | 1052 | */ |
1053 | 1053 | public function groupExists($gid) { |
1054 | 1054 | $groupExists = $this->access->connection->getFromCache('groupExists'.$gid); |
1055 | - if(!is_null($groupExists)) { |
|
1056 | - return (bool)$groupExists; |
|
1055 | + if (!is_null($groupExists)) { |
|
1056 | + return (bool) $groupExists; |
|
1057 | 1057 | } |
1058 | 1058 | |
1059 | 1059 | //getting dn, if false the group does not exist. If dn, it may be mapped |
1060 | 1060 | //only, requires more checking. |
1061 | 1061 | $dn = $this->access->groupname2dn($gid); |
1062 | - if(!$dn) { |
|
1062 | + if (!$dn) { |
|
1063 | 1063 | $this->access->connection->writeToCache('groupExists'.$gid, false); |
1064 | 1064 | return false; |
1065 | 1065 | } |
1066 | 1066 | |
1067 | 1067 | //if group really still exists, we will be able to read its objectclass |
1068 | - if(!is_array($this->access->readAttribute($dn, ''))) { |
|
1068 | + if (!is_array($this->access->readAttribute($dn, ''))) { |
|
1069 | 1069 | $this->access->connection->writeToCache('groupExists'.$gid, false); |
1070 | 1070 | return false; |
1071 | 1071 | } |
@@ -1083,7 +1083,7 @@ discard block |
||
1083 | 1083 | * compared with GroupInterface::CREATE_GROUP etc. |
1084 | 1084 | */ |
1085 | 1085 | public function implementsActions($actions) { |
1086 | - return (bool)((GroupInterface::COUNT_USERS | |
|
1086 | + return (bool) ((GroupInterface::COUNT_USERS | |
|
1087 | 1087 | $this->groupPluginManager->getImplementedActions()) & $actions); |
1088 | 1088 | } |
1089 | 1089 |