nextcloud /
server
@@ -53,1296 +53,1296 @@ |
||
| 53 | 53 | use OCP\ILogger; |
| 54 | 54 | |
| 55 | 55 | class Group_LDAP extends BackendUtility implements GroupInterface, IGroupLDAP, IGetDisplayNameBackend { |
| 56 | - protected $enabled = false; |
|
| 57 | - |
|
| 58 | - /** @var string[][] $cachedGroupMembers array of users with gid as key */ |
|
| 59 | - protected $cachedGroupMembers; |
|
| 60 | - /** @var string[] $cachedGroupsByMember array of groups with uid as key */ |
|
| 61 | - protected $cachedGroupsByMember; |
|
| 62 | - /** @var string[] $cachedNestedGroups array of groups with gid (DN) as key */ |
|
| 63 | - protected $cachedNestedGroups; |
|
| 64 | - /** @var GroupPluginManager */ |
|
| 65 | - protected $groupPluginManager; |
|
| 66 | - /** @var ILogger */ |
|
| 67 | - protected $logger; |
|
| 68 | - |
|
| 69 | - /** |
|
| 70 | - * @var string $ldapGroupMemberAssocAttr contains the LDAP setting (in lower case) with the same name |
|
| 71 | - */ |
|
| 72 | - protected $ldapGroupMemberAssocAttr; |
|
| 73 | - |
|
| 74 | - public function __construct(Access $access, GroupPluginManager $groupPluginManager) { |
|
| 75 | - parent::__construct($access); |
|
| 76 | - $filter = $this->access->connection->ldapGroupFilter; |
|
| 77 | - $gAssoc = $this->access->connection->ldapGroupMemberAssocAttr; |
|
| 78 | - if (!empty($filter) && !empty($gAssoc)) { |
|
| 79 | - $this->enabled = true; |
|
| 80 | - } |
|
| 81 | - |
|
| 82 | - $this->cachedGroupMembers = new CappedMemoryCache(); |
|
| 83 | - $this->cachedGroupsByMember = new CappedMemoryCache(); |
|
| 84 | - $this->cachedNestedGroups = new CappedMemoryCache(); |
|
| 85 | - $this->groupPluginManager = $groupPluginManager; |
|
| 86 | - $this->logger = OC::$server->getLogger(); |
|
| 87 | - $this->ldapGroupMemberAssocAttr = strtolower($gAssoc); |
|
| 88 | - } |
|
| 89 | - |
|
| 90 | - /** |
|
| 91 | - * is user in group? |
|
| 92 | - * |
|
| 93 | - * @param string $uid uid of the user |
|
| 94 | - * @param string $gid gid of the group |
|
| 95 | - * @return bool |
|
| 96 | - * @throws Exception |
|
| 97 | - * @throws ServerNotAvailableException |
|
| 98 | - */ |
|
| 99 | - public function inGroup($uid, $gid) { |
|
| 100 | - if (!$this->enabled) { |
|
| 101 | - return false; |
|
| 102 | - } |
|
| 103 | - $cacheKey = 'inGroup' . $uid . ':' . $gid; |
|
| 104 | - $inGroup = $this->access->connection->getFromCache($cacheKey); |
|
| 105 | - if (!is_null($inGroup)) { |
|
| 106 | - return (bool)$inGroup; |
|
| 107 | - } |
|
| 108 | - |
|
| 109 | - $userDN = $this->access->username2dn($uid); |
|
| 110 | - |
|
| 111 | - if (isset($this->cachedGroupMembers[$gid])) { |
|
| 112 | - return in_array($userDN, $this->cachedGroupMembers[$gid]); |
|
| 113 | - } |
|
| 114 | - |
|
| 115 | - $cacheKeyMembers = 'inGroup-members:' . $gid; |
|
| 116 | - $members = $this->access->connection->getFromCache($cacheKeyMembers); |
|
| 117 | - if (!is_null($members)) { |
|
| 118 | - $this->cachedGroupMembers[$gid] = $members; |
|
| 119 | - $isInGroup = in_array($userDN, $members, true); |
|
| 120 | - $this->access->connection->writeToCache($cacheKey, $isInGroup); |
|
| 121 | - return $isInGroup; |
|
| 122 | - } |
|
| 123 | - |
|
| 124 | - $groupDN = $this->access->groupname2dn($gid); |
|
| 125 | - // just in case |
|
| 126 | - if (!$groupDN || !$userDN) { |
|
| 127 | - $this->access->connection->writeToCache($cacheKey, false); |
|
| 128 | - return false; |
|
| 129 | - } |
|
| 130 | - |
|
| 131 | - //check primary group first |
|
| 132 | - if ($gid === $this->getUserPrimaryGroup($userDN)) { |
|
| 133 | - $this->access->connection->writeToCache($cacheKey, true); |
|
| 134 | - return true; |
|
| 135 | - } |
|
| 136 | - |
|
| 137 | - //usually, LDAP attributes are said to be case insensitive. But there are exceptions of course. |
|
| 138 | - $members = $this->_groupMembers($groupDN); |
|
| 139 | - |
|
| 140 | - //extra work if we don't get back user DNs |
|
| 141 | - switch ($this->ldapGroupMemberAssocAttr) { |
|
| 142 | - case 'memberuid': |
|
| 143 | - case 'zimbramailforwardingaddress': |
|
| 144 | - $requestAttributes = $this->access->userManager->getAttributes(true); |
|
| 145 | - $users = []; |
|
| 146 | - $filterParts = []; |
|
| 147 | - $bytes = 0; |
|
| 148 | - foreach ($members as $mid) { |
|
| 149 | - if ($this->ldapGroupMemberAssocAttr === 'zimbramailforwardingaddress') { |
|
| 150 | - $parts = explode('@', $mid); //making sure we get only the uid |
|
| 151 | - $mid = $parts[0]; |
|
| 152 | - } |
|
| 153 | - $filter = str_replace('%uid', $mid, $this->access->connection->ldapLoginFilter); |
|
| 154 | - $filterParts[] = $filter; |
|
| 155 | - $bytes += strlen($filter); |
|
| 156 | - if ($bytes >= 9000000) { |
|
| 157 | - // AD has a default input buffer of 10 MB, we do not want |
|
| 158 | - // to take even the chance to exceed it |
|
| 159 | - // so we fetch results with the filterParts we collected so far |
|
| 160 | - $filter = $this->access->combineFilterWithOr($filterParts); |
|
| 161 | - $search = $this->access->fetchListOfUsers($filter, $requestAttributes, count($filterParts)); |
|
| 162 | - $bytes = 0; |
|
| 163 | - $filterParts = []; |
|
| 164 | - $users = array_merge($users, $search); |
|
| 165 | - } |
|
| 166 | - } |
|
| 167 | - |
|
| 168 | - if (count($filterParts) > 0) { |
|
| 169 | - // if there are filterParts left we need to add their result |
|
| 170 | - $filter = $this->access->combineFilterWithOr($filterParts); |
|
| 171 | - $search = $this->access->fetchListOfUsers($filter, $requestAttributes, count($filterParts)); |
|
| 172 | - $users = array_merge($users, $search); |
|
| 173 | - } |
|
| 174 | - |
|
| 175 | - // now we cleanup the users array to get only dns |
|
| 176 | - $dns = []; |
|
| 177 | - foreach ($users as $record) { |
|
| 178 | - $dns[$record['dn'][0]] = 1; |
|
| 179 | - } |
|
| 180 | - $members = array_keys($dns); |
|
| 181 | - |
|
| 182 | - break; |
|
| 183 | - } |
|
| 184 | - |
|
| 185 | - if (count($members) === 0) { |
|
| 186 | - $this->access->connection->writeToCache($cacheKey, false); |
|
| 187 | - return false; |
|
| 188 | - } |
|
| 189 | - |
|
| 190 | - $isInGroup = in_array($userDN, $members); |
|
| 191 | - $this->access->connection->writeToCache($cacheKey, $isInGroup); |
|
| 192 | - $this->access->connection->writeToCache($cacheKeyMembers, $members); |
|
| 193 | - $this->cachedGroupMembers[$gid] = $members; |
|
| 194 | - |
|
| 195 | - return $isInGroup; |
|
| 196 | - } |
|
| 197 | - |
|
| 198 | - /** |
|
| 199 | - * For a group that has user membership defined by an LDAP search url |
|
| 200 | - * attribute returns the users that match the search url otherwise returns |
|
| 201 | - * an empty array. |
|
| 202 | - * |
|
| 203 | - * @throws ServerNotAvailableException |
|
| 204 | - */ |
|
| 205 | - public function getDynamicGroupMembers(string $dnGroup): array { |
|
| 206 | - $dynamicGroupMemberURL = strtolower($this->access->connection->ldapDynamicGroupMemberURL); |
|
| 207 | - |
|
| 208 | - if (empty($dynamicGroupMemberURL)) { |
|
| 209 | - return []; |
|
| 210 | - } |
|
| 211 | - |
|
| 212 | - $dynamicMembers = []; |
|
| 213 | - $memberURLs = $this->access->readAttribute( |
|
| 214 | - $dnGroup, |
|
| 215 | - $dynamicGroupMemberURL, |
|
| 216 | - $this->access->connection->ldapGroupFilter |
|
| 217 | - ); |
|
| 218 | - if ($memberURLs !== false) { |
|
| 219 | - // this group has the 'memberURL' attribute so this is a dynamic group |
|
| 220 | - // example 1: ldap:///cn=users,cn=accounts,dc=dcsubbase,dc=dcbase??one?(o=HeadOffice) |
|
| 221 | - // example 2: ldap:///cn=users,cn=accounts,dc=dcsubbase,dc=dcbase??one?(&(o=HeadOffice)(uidNumber>=500)) |
|
| 222 | - $pos = strpos($memberURLs[0], '('); |
|
| 223 | - if ($pos !== false) { |
|
| 224 | - $memberUrlFilter = substr($memberURLs[0], $pos); |
|
| 225 | - $foundMembers = $this->access->searchUsers($memberUrlFilter, ['dn']); |
|
| 226 | - $dynamicMembers = []; |
|
| 227 | - foreach ($foundMembers as $value) { |
|
| 228 | - $dynamicMembers[$value['dn'][0]] = 1; |
|
| 229 | - } |
|
| 230 | - } else { |
|
| 231 | - $this->logger->debug('No search filter found on member url of group {dn}', |
|
| 232 | - [ |
|
| 233 | - 'app' => 'user_ldap', |
|
| 234 | - 'dn' => $dnGroup, |
|
| 235 | - ] |
|
| 236 | - ); |
|
| 237 | - } |
|
| 238 | - } |
|
| 239 | - return $dynamicMembers; |
|
| 240 | - } |
|
| 241 | - |
|
| 242 | - /** |
|
| 243 | - * @throws ServerNotAvailableException |
|
| 244 | - */ |
|
| 245 | - private function _groupMembers(string $dnGroup, ?array &$seen = null): array { |
|
| 246 | - if ($seen === null) { |
|
| 247 | - $seen = []; |
|
| 248 | - // the root entry has to be marked as processed to avoind infinit loops, |
|
| 249 | - // but not included in the results laters on |
|
| 250 | - $excludeFromResult = $dnGroup; |
|
| 251 | - } |
|
| 252 | - $allMembers = []; |
|
| 253 | - if (array_key_exists($dnGroup, $seen)) { |
|
| 254 | - return []; |
|
| 255 | - } |
|
| 256 | - // used extensively in cron job, caching makes sense for nested groups |
|
| 257 | - $cacheKey = '_groupMembers' . $dnGroup; |
|
| 258 | - $groupMembers = $this->access->connection->getFromCache($cacheKey); |
|
| 259 | - if ($groupMembers !== null) { |
|
| 260 | - return $groupMembers; |
|
| 261 | - } |
|
| 262 | - |
|
| 263 | - if ($this->access->connection->ldapNestedGroups |
|
| 264 | - && $this->access->connection->useMemberOfToDetectMembership |
|
| 265 | - && $this->access->connection->hasMemberOfFilterSupport |
|
| 266 | - && $this->access->connection->ldapMatchingRuleInChainState !== Configuration::LDAP_SERVER_FEATURE_UNAVAILABLE |
|
| 267 | - ) { |
|
| 268 | - $attemptedLdapMatchingRuleInChain = true; |
|
| 269 | - // compatibility hack with servers supporting :1.2.840.113556.1.4.1941:, and others) |
|
| 270 | - $filter = $this->access->combineFilterWithAnd([ |
|
| 271 | - $this->access->connection->ldapUserFilter, |
|
| 272 | - $this->access->connection->ldapUserDisplayName . '=*', |
|
| 273 | - 'memberof:1.2.840.113556.1.4.1941:=' . $dnGroup |
|
| 274 | - ]); |
|
| 275 | - $memberRecords = $this->access->fetchListOfUsers( |
|
| 276 | - $filter, |
|
| 277 | - $this->access->userManager->getAttributes(true) |
|
| 278 | - ); |
|
| 279 | - $result = array_reduce($memberRecords, function ($carry, $record) { |
|
| 280 | - $carry[] = $record['dn'][0]; |
|
| 281 | - return $carry; |
|
| 282 | - }, []); |
|
| 283 | - if ($this->access->connection->ldapMatchingRuleInChainState === Configuration::LDAP_SERVER_FEATURE_AVAILABLE) { |
|
| 284 | - return $result; |
|
| 285 | - } elseif (!empty($memberRecords)) { |
|
| 286 | - $this->access->connection->ldapMatchingRuleInChainState = Configuration::LDAP_SERVER_FEATURE_AVAILABLE; |
|
| 287 | - $this->access->connection->saveConfiguration(); |
|
| 288 | - return $result; |
|
| 289 | - } |
|
| 290 | - // when feature availability is unknown, and the result is empty, continue and test with original approach |
|
| 291 | - } |
|
| 292 | - |
|
| 293 | - $seen[$dnGroup] = 1; |
|
| 294 | - $members = $this->access->readAttribute($dnGroup, $this->access->connection->ldapGroupMemberAssocAttr); |
|
| 295 | - if (is_array($members)) { |
|
| 296 | - $fetcher = function ($memberDN) use (&$seen) { |
|
| 297 | - return $this->_groupMembers($memberDN, $seen); |
|
| 298 | - }; |
|
| 299 | - $allMembers = $this->walkNestedGroups($dnGroup, $fetcher, $members, $seen); |
|
| 300 | - } |
|
| 301 | - |
|
| 302 | - $allMembers += $this->getDynamicGroupMembers($dnGroup); |
|
| 303 | - if (isset($excludeFromResult)) { |
|
| 304 | - $index = array_search($excludeFromResult, $allMembers, true); |
|
| 305 | - if ($index !== false) { |
|
| 306 | - unset($allMembers[$index]); |
|
| 307 | - } |
|
| 308 | - } |
|
| 309 | - |
|
| 310 | - $this->access->connection->writeToCache($cacheKey, $allMembers); |
|
| 311 | - if (isset($attemptedLdapMatchingRuleInChain) |
|
| 312 | - && $this->access->connection->ldapMatchingRuleInChainState === Configuration::LDAP_SERVER_FEATURE_UNKNOWN |
|
| 313 | - && !empty($allMembers) |
|
| 314 | - ) { |
|
| 315 | - $this->access->connection->ldapMatchingRuleInChainState = Configuration::LDAP_SERVER_FEATURE_UNAVAILABLE; |
|
| 316 | - $this->access->connection->saveConfiguration(); |
|
| 317 | - } |
|
| 318 | - return $allMembers; |
|
| 319 | - } |
|
| 320 | - |
|
| 321 | - /** |
|
| 322 | - * @throws ServerNotAvailableException |
|
| 323 | - */ |
|
| 324 | - private function _getGroupDNsFromMemberOf(string $dn): array { |
|
| 325 | - $groups = $this->access->readAttribute($dn, 'memberOf'); |
|
| 326 | - if (!is_array($groups)) { |
|
| 327 | - return []; |
|
| 328 | - } |
|
| 329 | - |
|
| 330 | - $fetcher = function ($groupDN) { |
|
| 331 | - if (isset($this->cachedNestedGroups[$groupDN])) { |
|
| 332 | - $nestedGroups = $this->cachedNestedGroups[$groupDN]; |
|
| 333 | - } else { |
|
| 334 | - $nestedGroups = $this->access->readAttribute($groupDN, 'memberOf'); |
|
| 335 | - if (!is_array($nestedGroups)) { |
|
| 336 | - $nestedGroups = []; |
|
| 337 | - } |
|
| 338 | - $this->cachedNestedGroups[$groupDN] = $nestedGroups; |
|
| 339 | - } |
|
| 340 | - return $nestedGroups; |
|
| 341 | - }; |
|
| 342 | - |
|
| 343 | - $groups = $this->walkNestedGroups($dn, $fetcher, $groups); |
|
| 344 | - return $this->filterValidGroups($groups); |
|
| 345 | - } |
|
| 346 | - |
|
| 347 | - private function walkNestedGroups(string $dn, Closure $fetcher, array $list, array &$seen = []): array { |
|
| 348 | - $nesting = (int)$this->access->connection->ldapNestedGroups; |
|
| 349 | - // depending on the input, we either have a list of DNs or a list of LDAP records |
|
| 350 | - // also, the output expects either DNs or records. Testing the first element should suffice. |
|
| 351 | - $recordMode = is_array($list) && isset($list[0]) && is_array($list[0]) && isset($list[0]['dn'][0]); |
|
| 352 | - |
|
| 353 | - if ($nesting !== 1) { |
|
| 354 | - if ($recordMode) { |
|
| 355 | - // the keys are numeric, but should hold the DN |
|
| 356 | - return array_reduce($list, function ($transformed, $record) use ($dn) { |
|
| 357 | - if ($record['dn'][0] != $dn) { |
|
| 358 | - $transformed[$record['dn'][0]] = $record; |
|
| 359 | - } |
|
| 360 | - return $transformed; |
|
| 361 | - }, []); |
|
| 362 | - } |
|
| 363 | - return $list; |
|
| 364 | - } |
|
| 365 | - |
|
| 366 | - while ($record = array_shift($list)) { |
|
| 367 | - $recordDN = $record['dn'][0] ?? $record; |
|
| 368 | - if ($recordDN === $dn || array_key_exists($recordDN, $seen)) { |
|
| 369 | - // Prevent loops |
|
| 370 | - continue; |
|
| 371 | - } |
|
| 372 | - $fetched = $fetcher($record); |
|
| 373 | - $list = array_merge($list, $fetched); |
|
| 374 | - if (!isset($seen[$recordDN]) || is_bool($seen[$recordDN]) && is_array($record)) { |
|
| 375 | - $seen[$recordDN] = $record; |
|
| 376 | - } |
|
| 377 | - } |
|
| 378 | - |
|
| 379 | - // on record mode, filter out intermediate state |
|
| 380 | - return $recordMode ? array_filter($seen, 'is_array') : array_keys($seen); |
|
| 381 | - } |
|
| 382 | - |
|
| 383 | - /** |
|
| 384 | - * translates a gidNumber into an ownCloud internal name |
|
| 385 | - * |
|
| 386 | - * @return string|bool |
|
| 387 | - * @throws Exception |
|
| 388 | - * @throws ServerNotAvailableException |
|
| 389 | - */ |
|
| 390 | - public function gidNumber2Name(string $gid, string $dn) { |
|
| 391 | - $cacheKey = 'gidNumberToName' . $gid; |
|
| 392 | - $groupName = $this->access->connection->getFromCache($cacheKey); |
|
| 393 | - if (!is_null($groupName) && isset($groupName)) { |
|
| 394 | - return $groupName; |
|
| 395 | - } |
|
| 396 | - |
|
| 397 | - //we need to get the DN from LDAP |
|
| 398 | - $filter = $this->access->combineFilterWithAnd([ |
|
| 399 | - $this->access->connection->ldapGroupFilter, |
|
| 400 | - 'objectClass=posixGroup', |
|
| 401 | - $this->access->connection->ldapGidNumber . '=' . $gid |
|
| 402 | - ]); |
|
| 403 | - return $this->getNameOfGroup($filter, $cacheKey) ?? false; |
|
| 404 | - } |
|
| 405 | - |
|
| 406 | - /** |
|
| 407 | - * @throws ServerNotAvailableException |
|
| 408 | - * @throws Exception |
|
| 409 | - */ |
|
| 410 | - private function getNameOfGroup(string $filter, string $cacheKey) { |
|
| 411 | - $result = $this->access->searchGroups($filter, ['dn'], 1); |
|
| 412 | - if (empty($result)) { |
|
| 413 | - return null; |
|
| 414 | - } |
|
| 415 | - $dn = $result[0]['dn'][0]; |
|
| 416 | - |
|
| 417 | - //and now the group name |
|
| 418 | - //NOTE once we have separate Nextcloud group IDs and group names we can |
|
| 419 | - //directly read the display name attribute instead of the DN |
|
| 420 | - $name = $this->access->dn2groupname($dn); |
|
| 421 | - |
|
| 422 | - $this->access->connection->writeToCache($cacheKey, $name); |
|
| 423 | - |
|
| 424 | - return $name; |
|
| 425 | - } |
|
| 426 | - |
|
| 427 | - /** |
|
| 428 | - * returns the entry's gidNumber |
|
| 429 | - * |
|
| 430 | - * @return string|bool |
|
| 431 | - * @throws ServerNotAvailableException |
|
| 432 | - */ |
|
| 433 | - private function getEntryGidNumber(string $dn, string $attribute) { |
|
| 434 | - $value = $this->access->readAttribute($dn, $attribute); |
|
| 435 | - if (is_array($value) && !empty($value)) { |
|
| 436 | - return $value[0]; |
|
| 437 | - } |
|
| 438 | - return false; |
|
| 439 | - } |
|
| 440 | - |
|
| 441 | - /** |
|
| 442 | - * @return string|bool |
|
| 443 | - * @throws ServerNotAvailableException |
|
| 444 | - */ |
|
| 445 | - public function getGroupGidNumber(string $dn) { |
|
| 446 | - return $this->getEntryGidNumber($dn, 'gidNumber'); |
|
| 447 | - } |
|
| 448 | - |
|
| 449 | - /** |
|
| 450 | - * returns the user's gidNumber |
|
| 451 | - * |
|
| 452 | - * @return string|bool |
|
| 453 | - * @throws ServerNotAvailableException |
|
| 454 | - */ |
|
| 455 | - public function getUserGidNumber(string $dn) { |
|
| 456 | - $gidNumber = false; |
|
| 457 | - if ($this->access->connection->hasGidNumber) { |
|
| 458 | - $gidNumber = $this->getEntryGidNumber($dn, $this->access->connection->ldapGidNumber); |
|
| 459 | - if ($gidNumber === false) { |
|
| 460 | - $this->access->connection->hasGidNumber = false; |
|
| 461 | - } |
|
| 462 | - } |
|
| 463 | - return $gidNumber; |
|
| 464 | - } |
|
| 465 | - |
|
| 466 | - /** |
|
| 467 | - * @throws ServerNotAvailableException |
|
| 468 | - * @throws Exception |
|
| 469 | - */ |
|
| 470 | - private function prepareFilterForUsersHasGidNumber(string $groupDN, string $search = ''): string { |
|
| 471 | - $groupID = $this->getGroupGidNumber($groupDN); |
|
| 472 | - if ($groupID === false) { |
|
| 473 | - throw new Exception('Not a valid group'); |
|
| 474 | - } |
|
| 475 | - |
|
| 476 | - $filterParts = []; |
|
| 477 | - $filterParts[] = $this->access->getFilterForUserCount(); |
|
| 478 | - if ($search !== '') { |
|
| 479 | - $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
|
| 480 | - } |
|
| 481 | - $filterParts[] = $this->access->connection->ldapGidNumber . '=' . $groupID; |
|
| 482 | - |
|
| 483 | - return $this->access->combineFilterWithAnd($filterParts); |
|
| 484 | - } |
|
| 485 | - |
|
| 486 | - /** |
|
| 487 | - * returns a list of users that have the given group as gid number |
|
| 488 | - * |
|
| 489 | - * @throws ServerNotAvailableException |
|
| 490 | - */ |
|
| 491 | - public function getUsersInGidNumber( |
|
| 492 | - string $groupDN, |
|
| 493 | - string $search = '', |
|
| 494 | - ?int $limit = -1, |
|
| 495 | - ?int $offset = 0 |
|
| 496 | - ): array { |
|
| 497 | - try { |
|
| 498 | - $filter = $this->prepareFilterForUsersHasGidNumber($groupDN, $search); |
|
| 499 | - $users = $this->access->fetchListOfUsers( |
|
| 500 | - $filter, |
|
| 501 | - [$this->access->connection->ldapUserDisplayName, 'dn'], |
|
| 502 | - $limit, |
|
| 503 | - $offset |
|
| 504 | - ); |
|
| 505 | - return $this->access->nextcloudUserNames($users); |
|
| 506 | - } catch (ServerNotAvailableException $e) { |
|
| 507 | - throw $e; |
|
| 508 | - } catch (Exception $e) { |
|
| 509 | - return []; |
|
| 510 | - } |
|
| 511 | - } |
|
| 512 | - |
|
| 513 | - /** |
|
| 514 | - * @throws ServerNotAvailableException |
|
| 515 | - * @return bool |
|
| 516 | - */ |
|
| 517 | - public function getUserGroupByGid(string $dn) { |
|
| 518 | - $groupID = $this->getUserGidNumber($dn); |
|
| 519 | - if ($groupID !== false) { |
|
| 520 | - $groupName = $this->gidNumber2Name($groupID, $dn); |
|
| 521 | - if ($groupName !== false) { |
|
| 522 | - return $groupName; |
|
| 523 | - } |
|
| 524 | - } |
|
| 525 | - |
|
| 526 | - return false; |
|
| 527 | - } |
|
| 528 | - |
|
| 529 | - /** |
|
| 530 | - * translates a primary group ID into an Nextcloud internal name |
|
| 531 | - * |
|
| 532 | - * @return string|bool |
|
| 533 | - * @throws Exception |
|
| 534 | - * @throws ServerNotAvailableException |
|
| 535 | - */ |
|
| 536 | - public function primaryGroupID2Name(string $gid, string $dn) { |
|
| 537 | - $cacheKey = 'primaryGroupIDtoName'; |
|
| 538 | - $groupNames = $this->access->connection->getFromCache($cacheKey); |
|
| 539 | - if (!is_null($groupNames) && isset($groupNames[$gid])) { |
|
| 540 | - return $groupNames[$gid]; |
|
| 541 | - } |
|
| 542 | - |
|
| 543 | - $domainObjectSid = $this->access->getSID($dn); |
|
| 544 | - if ($domainObjectSid === false) { |
|
| 545 | - return false; |
|
| 546 | - } |
|
| 547 | - |
|
| 548 | - //we need to get the DN from LDAP |
|
| 549 | - $filter = $this->access->combineFilterWithAnd([ |
|
| 550 | - $this->access->connection->ldapGroupFilter, |
|
| 551 | - 'objectsid=' . $domainObjectSid . '-' . $gid |
|
| 552 | - ]); |
|
| 553 | - return $this->getNameOfGroup($filter, $cacheKey) ?? false; |
|
| 554 | - } |
|
| 555 | - |
|
| 556 | - /** |
|
| 557 | - * returns the entry's primary group ID |
|
| 558 | - * |
|
| 559 | - * @return string|bool |
|
| 560 | - * @throws ServerNotAvailableException |
|
| 561 | - */ |
|
| 562 | - private function getEntryGroupID(string $dn, string $attribute) { |
|
| 563 | - $value = $this->access->readAttribute($dn, $attribute); |
|
| 564 | - if (is_array($value) && !empty($value)) { |
|
| 565 | - return $value[0]; |
|
| 566 | - } |
|
| 567 | - return false; |
|
| 568 | - } |
|
| 569 | - |
|
| 570 | - /** |
|
| 571 | - * @return string|bool |
|
| 572 | - * @throws ServerNotAvailableException |
|
| 573 | - */ |
|
| 574 | - public function getGroupPrimaryGroupID(string $dn) { |
|
| 575 | - return $this->getEntryGroupID($dn, 'primaryGroupToken'); |
|
| 576 | - } |
|
| 577 | - |
|
| 578 | - /** |
|
| 579 | - * @return string|bool |
|
| 580 | - * @throws ServerNotAvailableException |
|
| 581 | - */ |
|
| 582 | - public function getUserPrimaryGroupIDs(string $dn) { |
|
| 583 | - $primaryGroupID = false; |
|
| 584 | - if ($this->access->connection->hasPrimaryGroups) { |
|
| 585 | - $primaryGroupID = $this->getEntryGroupID($dn, 'primaryGroupID'); |
|
| 586 | - if ($primaryGroupID === false) { |
|
| 587 | - $this->access->connection->hasPrimaryGroups = false; |
|
| 588 | - } |
|
| 589 | - } |
|
| 590 | - return $primaryGroupID; |
|
| 591 | - } |
|
| 592 | - |
|
| 593 | - /** |
|
| 594 | - * @throws Exception |
|
| 595 | - * @throws ServerNotAvailableException |
|
| 596 | - */ |
|
| 597 | - private function prepareFilterForUsersInPrimaryGroup(string $groupDN, string $search = ''): string { |
|
| 598 | - $groupID = $this->getGroupPrimaryGroupID($groupDN); |
|
| 599 | - if ($groupID === false) { |
|
| 600 | - throw new Exception('Not a valid group'); |
|
| 601 | - } |
|
| 602 | - |
|
| 603 | - $filterParts = []; |
|
| 604 | - $filterParts[] = $this->access->getFilterForUserCount(); |
|
| 605 | - if ($search !== '') { |
|
| 606 | - $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
|
| 607 | - } |
|
| 608 | - $filterParts[] = 'primaryGroupID=' . $groupID; |
|
| 609 | - |
|
| 610 | - return $this->access->combineFilterWithAnd($filterParts); |
|
| 611 | - } |
|
| 612 | - |
|
| 613 | - /** |
|
| 614 | - * @throws ServerNotAvailableException |
|
| 615 | - */ |
|
| 616 | - public function getUsersInPrimaryGroup( |
|
| 617 | - string $groupDN, |
|
| 618 | - string $search = '', |
|
| 619 | - ?int $limit = -1, |
|
| 620 | - ?int $offset = 0 |
|
| 621 | - ): array { |
|
| 622 | - try { |
|
| 623 | - $filter = $this->prepareFilterForUsersInPrimaryGroup($groupDN, $search); |
|
| 624 | - $users = $this->access->fetchListOfUsers( |
|
| 625 | - $filter, |
|
| 626 | - [$this->access->connection->ldapUserDisplayName, 'dn'], |
|
| 627 | - $limit, |
|
| 628 | - $offset |
|
| 629 | - ); |
|
| 630 | - return $this->access->nextcloudUserNames($users); |
|
| 631 | - } catch (ServerNotAvailableException $e) { |
|
| 632 | - throw $e; |
|
| 633 | - } catch (Exception $e) { |
|
| 634 | - return []; |
|
| 635 | - } |
|
| 636 | - } |
|
| 637 | - |
|
| 638 | - /** |
|
| 639 | - * @throws ServerNotAvailableException |
|
| 640 | - */ |
|
| 641 | - public function countUsersInPrimaryGroup( |
|
| 642 | - string $groupDN, |
|
| 643 | - string $search = '', |
|
| 644 | - int $limit = -1, |
|
| 645 | - int $offset = 0 |
|
| 646 | - ): int { |
|
| 647 | - try { |
|
| 648 | - $filter = $this->prepareFilterForUsersInPrimaryGroup($groupDN, $search); |
|
| 649 | - $users = $this->access->countUsers($filter, ['dn'], $limit, $offset); |
|
| 650 | - return (int)$users; |
|
| 651 | - } catch (ServerNotAvailableException $e) { |
|
| 652 | - throw $e; |
|
| 653 | - } catch (Exception $e) { |
|
| 654 | - return 0; |
|
| 655 | - } |
|
| 656 | - } |
|
| 657 | - |
|
| 658 | - /** |
|
| 659 | - * @return string|bool |
|
| 660 | - * @throws ServerNotAvailableException |
|
| 661 | - */ |
|
| 662 | - public function getUserPrimaryGroup(string $dn) { |
|
| 663 | - $groupID = $this->getUserPrimaryGroupIDs($dn); |
|
| 664 | - if ($groupID !== false) { |
|
| 665 | - $groupName = $this->primaryGroupID2Name($groupID, $dn); |
|
| 666 | - if ($groupName !== false) { |
|
| 667 | - return $groupName; |
|
| 668 | - } |
|
| 669 | - } |
|
| 670 | - |
|
| 671 | - return false; |
|
| 672 | - } |
|
| 673 | - |
|
| 674 | - /** |
|
| 675 | - * This function fetches all groups a user belongs to. It does not check |
|
| 676 | - * if the user exists at all. |
|
| 677 | - * |
|
| 678 | - * This function includes groups based on dynamic group membership. |
|
| 679 | - * |
|
| 680 | - * @param string $uid Name of the user |
|
| 681 | - * @return array with group names |
|
| 682 | - * @throws Exception |
|
| 683 | - * @throws ServerNotAvailableException |
|
| 684 | - */ |
|
| 685 | - public function getUserGroups($uid) { |
|
| 686 | - if (!$this->enabled) { |
|
| 687 | - return []; |
|
| 688 | - } |
|
| 689 | - $cacheKey = 'getUserGroups' . $uid; |
|
| 690 | - $userGroups = $this->access->connection->getFromCache($cacheKey); |
|
| 691 | - if (!is_null($userGroups)) { |
|
| 692 | - return $userGroups; |
|
| 693 | - } |
|
| 694 | - $userDN = $this->access->username2dn($uid); |
|
| 695 | - if (!$userDN) { |
|
| 696 | - $this->access->connection->writeToCache($cacheKey, []); |
|
| 697 | - return []; |
|
| 698 | - } |
|
| 699 | - |
|
| 700 | - $groups = []; |
|
| 701 | - $primaryGroup = $this->getUserPrimaryGroup($userDN); |
|
| 702 | - $gidGroupName = $this->getUserGroupByGid($userDN); |
|
| 703 | - |
|
| 704 | - $dynamicGroupMemberURL = strtolower($this->access->connection->ldapDynamicGroupMemberURL); |
|
| 705 | - |
|
| 706 | - if (!empty($dynamicGroupMemberURL)) { |
|
| 707 | - // look through dynamic groups to add them to the result array if needed |
|
| 708 | - $groupsToMatch = $this->access->fetchListOfGroups( |
|
| 709 | - $this->access->connection->ldapGroupFilter, ['dn', $dynamicGroupMemberURL]); |
|
| 710 | - foreach ($groupsToMatch as $dynamicGroup) { |
|
| 711 | - if (!array_key_exists($dynamicGroupMemberURL, $dynamicGroup)) { |
|
| 712 | - continue; |
|
| 713 | - } |
|
| 714 | - $pos = strpos($dynamicGroup[$dynamicGroupMemberURL][0], '('); |
|
| 715 | - if ($pos !== false) { |
|
| 716 | - $memberUrlFilter = substr($dynamicGroup[$dynamicGroupMemberURL][0], $pos); |
|
| 717 | - // apply filter via ldap search to see if this user is in this |
|
| 718 | - // dynamic group |
|
| 719 | - $userMatch = $this->access->readAttribute( |
|
| 720 | - $userDN, |
|
| 721 | - $this->access->connection->ldapUserDisplayName, |
|
| 722 | - $memberUrlFilter |
|
| 723 | - ); |
|
| 724 | - if ($userMatch !== false) { |
|
| 725 | - // match found so this user is in this group |
|
| 726 | - $groupName = $this->access->dn2groupname($dynamicGroup['dn'][0]); |
|
| 727 | - if (is_string($groupName)) { |
|
| 728 | - // be sure to never return false if the dn could not be |
|
| 729 | - // resolved to a name, for whatever reason. |
|
| 730 | - $groups[] = $groupName; |
|
| 731 | - } |
|
| 732 | - } |
|
| 733 | - } else { |
|
| 734 | - $this->logger->debug('No search filter found on member url of group {dn}', |
|
| 735 | - [ |
|
| 736 | - 'app' => 'user_ldap', |
|
| 737 | - 'dn' => $dynamicGroup, |
|
| 738 | - ] |
|
| 739 | - ); |
|
| 740 | - } |
|
| 741 | - } |
|
| 742 | - } |
|
| 743 | - |
|
| 744 | - // if possible, read out membership via memberOf. It's far faster than |
|
| 745 | - // performing a search, which still is a fallback later. |
|
| 746 | - // memberof doesn't support memberuid, so skip it here. |
|
| 747 | - if ((int)$this->access->connection->hasMemberOfFilterSupport === 1 |
|
| 748 | - && (int)$this->access->connection->useMemberOfToDetectMembership === 1 |
|
| 749 | - && $this->ldapGroupMemberAssocAttr !== 'memberuid' |
|
| 750 | - && $this->ldapGroupMemberAssocAttr !== 'zimbramailforwardingaddress') { |
|
| 751 | - $groupDNs = $this->_getGroupDNsFromMemberOf($userDN); |
|
| 752 | - if (is_array($groupDNs)) { |
|
| 753 | - foreach ($groupDNs as $dn) { |
|
| 754 | - $groupName = $this->access->dn2groupname($dn); |
|
| 755 | - if (is_string($groupName)) { |
|
| 756 | - // be sure to never return false if the dn could not be |
|
| 757 | - // resolved to a name, for whatever reason. |
|
| 758 | - $groups[] = $groupName; |
|
| 759 | - } |
|
| 760 | - } |
|
| 761 | - } |
|
| 762 | - |
|
| 763 | - if ($primaryGroup !== false) { |
|
| 764 | - $groups[] = $primaryGroup; |
|
| 765 | - } |
|
| 766 | - if ($gidGroupName !== false) { |
|
| 767 | - $groups[] = $gidGroupName; |
|
| 768 | - } |
|
| 769 | - $this->access->connection->writeToCache($cacheKey, $groups); |
|
| 770 | - return $groups; |
|
| 771 | - } |
|
| 772 | - |
|
| 773 | - //uniqueMember takes DN, memberuid the uid, so we need to distinguish |
|
| 774 | - switch ($this->ldapGroupMemberAssocAttr) { |
|
| 775 | - case 'uniquemember': |
|
| 776 | - case 'member': |
|
| 777 | - $uid = $userDN; |
|
| 778 | - break; |
|
| 779 | - |
|
| 780 | - case 'memberuid': |
|
| 781 | - case 'zimbramailforwardingaddress': |
|
| 782 | - $result = $this->access->readAttribute($userDN, 'uid'); |
|
| 783 | - if ($result === false) { |
|
| 784 | - $this->logger->debug('No uid attribute found for DN {dn} on {host}', |
|
| 785 | - [ |
|
| 786 | - 'app' => 'user_ldap', |
|
| 787 | - 'dn' => $userDN, |
|
| 788 | - 'host' => $this->access->connection->ldapHost, |
|
| 789 | - ] |
|
| 790 | - ); |
|
| 791 | - $uid = false; |
|
| 792 | - } else { |
|
| 793 | - $uid = $result[0]; |
|
| 794 | - } |
|
| 795 | - break; |
|
| 796 | - |
|
| 797 | - default: |
|
| 798 | - // just in case |
|
| 799 | - $uid = $userDN; |
|
| 800 | - break; |
|
| 801 | - } |
|
| 802 | - |
|
| 803 | - if ($uid !== false) { |
|
| 804 | - if (isset($this->cachedGroupsByMember[$uid])) { |
|
| 805 | - $groups = array_merge($groups, $this->cachedGroupsByMember[$uid]); |
|
| 806 | - } else { |
|
| 807 | - $groupsByMember = array_values($this->getGroupsByMember($uid)); |
|
| 808 | - $groupsByMember = $this->access->nextcloudGroupNames($groupsByMember); |
|
| 809 | - $this->cachedGroupsByMember[$uid] = $groupsByMember; |
|
| 810 | - $groups = array_merge($groups, $groupsByMember); |
|
| 811 | - } |
|
| 812 | - } |
|
| 813 | - |
|
| 814 | - if ($primaryGroup !== false) { |
|
| 815 | - $groups[] = $primaryGroup; |
|
| 816 | - } |
|
| 817 | - if ($gidGroupName !== false) { |
|
| 818 | - $groups[] = $gidGroupName; |
|
| 819 | - } |
|
| 820 | - |
|
| 821 | - $groups = array_unique($groups, SORT_LOCALE_STRING); |
|
| 822 | - $this->access->connection->writeToCache($cacheKey, $groups); |
|
| 823 | - |
|
| 824 | - return $groups; |
|
| 825 | - } |
|
| 826 | - |
|
| 827 | - /** |
|
| 828 | - * @throws ServerNotAvailableException |
|
| 829 | - */ |
|
| 830 | - private function getGroupsByMember(string $dn, array &$seen = null): array { |
|
| 831 | - if ($seen === null) { |
|
| 832 | - $seen = []; |
|
| 833 | - } |
|
| 834 | - if (array_key_exists($dn, $seen)) { |
|
| 835 | - // avoid loops |
|
| 836 | - return []; |
|
| 837 | - } |
|
| 838 | - $allGroups = []; |
|
| 839 | - $seen[$dn] = true; |
|
| 840 | - $filter = $this->access->connection->ldapGroupMemberAssocAttr . '=' . $dn; |
|
| 841 | - |
|
| 842 | - if ($this->ldapGroupMemberAssocAttr === 'zimbramailforwardingaddress') { |
|
| 843 | - //in this case the member entries are email addresses |
|
| 844 | - $filter .= '@*'; |
|
| 845 | - } |
|
| 846 | - |
|
| 847 | - $nesting = (int)$this->access->connection->ldapNestedGroups; |
|
| 848 | - if ($nesting === 0) { |
|
| 849 | - $filter = $this->access->combineFilterWithAnd([$filter, $this->access->connection->ldapGroupFilter]); |
|
| 850 | - } |
|
| 851 | - |
|
| 852 | - $groups = $this->access->fetchListOfGroups($filter, |
|
| 853 | - [strtolower($this->access->connection->ldapGroupMemberAssocAttr), $this->access->connection->ldapGroupDisplayName, 'dn']); |
|
| 854 | - if (is_array($groups)) { |
|
| 855 | - $fetcher = function ($dn) use (&$seen) { |
|
| 856 | - if (is_array($dn) && isset($dn['dn'][0])) { |
|
| 857 | - $dn = $dn['dn'][0]; |
|
| 858 | - } |
|
| 859 | - return $this->getGroupsByMember($dn, $seen); |
|
| 860 | - }; |
|
| 861 | - |
|
| 862 | - if (empty($dn)) { |
|
| 863 | - $dn = ""; |
|
| 864 | - } |
|
| 865 | - |
|
| 866 | - $allGroups = $this->walkNestedGroups($dn, $fetcher, $groups, $seen); |
|
| 867 | - } |
|
| 868 | - $visibleGroups = $this->filterValidGroups($allGroups); |
|
| 869 | - return array_intersect_key($allGroups, $visibleGroups); |
|
| 870 | - } |
|
| 871 | - |
|
| 872 | - /** |
|
| 873 | - * get a list of all users in a group |
|
| 874 | - * |
|
| 875 | - * @param string $gid |
|
| 876 | - * @param string $search |
|
| 877 | - * @param int $limit |
|
| 878 | - * @param int $offset |
|
| 879 | - * @return array with user ids |
|
| 880 | - * @throws Exception |
|
| 881 | - * @throws ServerNotAvailableException |
|
| 882 | - */ |
|
| 883 | - public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) { |
|
| 884 | - if (!$this->enabled) { |
|
| 885 | - return []; |
|
| 886 | - } |
|
| 887 | - if (!$this->groupExists($gid)) { |
|
| 888 | - return []; |
|
| 889 | - } |
|
| 890 | - $search = $this->access->escapeFilterPart($search, true); |
|
| 891 | - $cacheKey = 'usersInGroup-' . $gid . '-' . $search . '-' . $limit . '-' . $offset; |
|
| 892 | - // check for cache of the exact query |
|
| 893 | - $groupUsers = $this->access->connection->getFromCache($cacheKey); |
|
| 894 | - if (!is_null($groupUsers)) { |
|
| 895 | - return $groupUsers; |
|
| 896 | - } |
|
| 897 | - |
|
| 898 | - if ($limit === -1) { |
|
| 899 | - $limit = null; |
|
| 900 | - } |
|
| 901 | - // check for cache of the query without limit and offset |
|
| 902 | - $groupUsers = $this->access->connection->getFromCache('usersInGroup-' . $gid . '-' . $search); |
|
| 903 | - if (!is_null($groupUsers)) { |
|
| 904 | - $groupUsers = array_slice($groupUsers, $offset, $limit); |
|
| 905 | - $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
| 906 | - return $groupUsers; |
|
| 907 | - } |
|
| 908 | - |
|
| 909 | - $groupDN = $this->access->groupname2dn($gid); |
|
| 910 | - if (!$groupDN) { |
|
| 911 | - // group couldn't be found, return empty resultset |
|
| 912 | - $this->access->connection->writeToCache($cacheKey, []); |
|
| 913 | - return []; |
|
| 914 | - } |
|
| 915 | - |
|
| 916 | - $primaryUsers = $this->getUsersInPrimaryGroup($groupDN, $search, $limit, $offset); |
|
| 917 | - $posixGroupUsers = $this->getUsersInGidNumber($groupDN, $search, $limit, $offset); |
|
| 918 | - $members = $this->_groupMembers($groupDN); |
|
| 919 | - if (!$members && empty($posixGroupUsers) && empty($primaryUsers)) { |
|
| 920 | - //in case users could not be retrieved, return empty result set |
|
| 921 | - $this->access->connection->writeToCache($cacheKey, []); |
|
| 922 | - return []; |
|
| 923 | - } |
|
| 924 | - |
|
| 925 | - $groupUsers = []; |
|
| 926 | - $attrs = $this->access->userManager->getAttributes(true); |
|
| 927 | - foreach ($members as $member) { |
|
| 928 | - switch ($this->ldapGroupMemberAssocAttr) { |
|
| 929 | - /** @noinspection PhpMissingBreakStatementInspection */ |
|
| 930 | - case 'zimbramailforwardingaddress': |
|
| 931 | - //we get email addresses and need to convert them to uids |
|
| 932 | - $parts = explode('@', $member); |
|
| 933 | - $member = $parts[0]; |
|
| 934 | - //no break needed because we just needed to remove the email part and now we have uids |
|
| 935 | - case 'memberuid': |
|
| 936 | - //we got uids, need to get their DNs to 'translate' them to user names |
|
| 937 | - $filter = $this->access->combineFilterWithAnd([ |
|
| 938 | - str_replace('%uid', trim($member), $this->access->connection->ldapLoginFilter), |
|
| 939 | - $this->access->combineFilterWithAnd([ |
|
| 940 | - $this->access->getFilterPartForUserSearch($search), |
|
| 941 | - $this->access->connection->ldapUserFilter |
|
| 942 | - ]) |
|
| 943 | - ]); |
|
| 944 | - $ldap_users = $this->access->fetchListOfUsers($filter, $attrs, 1); |
|
| 945 | - if (empty($ldap_users)) { |
|
| 946 | - break; |
|
| 947 | - } |
|
| 948 | - $groupUsers[] = $this->access->dn2username($ldap_users[0]['dn'][0]); |
|
| 949 | - break; |
|
| 950 | - default: |
|
| 951 | - //we got DNs, check if we need to filter by search or we can give back all of them |
|
| 952 | - $uid = $this->access->dn2username($member); |
|
| 953 | - if (!$uid) { |
|
| 954 | - break; |
|
| 955 | - } |
|
| 956 | - |
|
| 957 | - $cacheKey = 'userExistsOnLDAP' . $uid; |
|
| 958 | - $userExists = $this->access->connection->getFromCache($cacheKey); |
|
| 959 | - if ($userExists === false) { |
|
| 960 | - break; |
|
| 961 | - } |
|
| 962 | - if ($userExists === null || $search !== '') { |
|
| 963 | - if (!$this->access->readAttribute($member, |
|
| 964 | - $this->access->connection->ldapUserDisplayName, |
|
| 965 | - $this->access->combineFilterWithAnd([ |
|
| 966 | - $this->access->getFilterPartForUserSearch($search), |
|
| 967 | - $this->access->connection->ldapUserFilter |
|
| 968 | - ]))) { |
|
| 969 | - if ($search === '') { |
|
| 970 | - $this->access->connection->writeToCache($cacheKey, false); |
|
| 971 | - } |
|
| 972 | - break; |
|
| 973 | - } |
|
| 974 | - $this->access->connection->writeToCache($cacheKey, true); |
|
| 975 | - } |
|
| 976 | - $groupUsers[] = $uid; |
|
| 977 | - break; |
|
| 978 | - } |
|
| 979 | - } |
|
| 980 | - |
|
| 981 | - $groupUsers = array_unique(array_merge($groupUsers, $primaryUsers, $posixGroupUsers)); |
|
| 982 | - natsort($groupUsers); |
|
| 983 | - $this->access->connection->writeToCache('usersInGroup-' . $gid . '-' . $search, $groupUsers); |
|
| 984 | - $groupUsers = array_slice($groupUsers, $offset, $limit); |
|
| 985 | - |
|
| 986 | - $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
| 987 | - |
|
| 988 | - return $groupUsers; |
|
| 989 | - } |
|
| 990 | - |
|
| 991 | - /** |
|
| 992 | - * returns the number of users in a group, who match the search term |
|
| 993 | - * |
|
| 994 | - * @param string $gid the internal group name |
|
| 995 | - * @param string $search optional, a search string |
|
| 996 | - * @return int|bool |
|
| 997 | - * @throws Exception |
|
| 998 | - * @throws ServerNotAvailableException |
|
| 999 | - */ |
|
| 1000 | - public function countUsersInGroup($gid, $search = '') { |
|
| 1001 | - if ($this->groupPluginManager->implementsActions(GroupInterface::COUNT_USERS)) { |
|
| 1002 | - return $this->groupPluginManager->countUsersInGroup($gid, $search); |
|
| 1003 | - } |
|
| 1004 | - |
|
| 1005 | - $cacheKey = 'countUsersInGroup-' . $gid . '-' . $search; |
|
| 1006 | - if (!$this->enabled || !$this->groupExists($gid)) { |
|
| 1007 | - return false; |
|
| 1008 | - } |
|
| 1009 | - $groupUsers = $this->access->connection->getFromCache($cacheKey); |
|
| 1010 | - if (!is_null($groupUsers)) { |
|
| 1011 | - return $groupUsers; |
|
| 1012 | - } |
|
| 1013 | - |
|
| 1014 | - $groupDN = $this->access->groupname2dn($gid); |
|
| 1015 | - if (!$groupDN) { |
|
| 1016 | - // group couldn't be found, return empty result set |
|
| 1017 | - $this->access->connection->writeToCache($cacheKey, false); |
|
| 1018 | - return false; |
|
| 1019 | - } |
|
| 1020 | - |
|
| 1021 | - $members = $this->_groupMembers($groupDN); |
|
| 1022 | - $primaryUserCount = $this->countUsersInPrimaryGroup($groupDN, ''); |
|
| 1023 | - if (!$members && $primaryUserCount === 0) { |
|
| 1024 | - //in case users could not be retrieved, return empty result set |
|
| 1025 | - $this->access->connection->writeToCache($cacheKey, false); |
|
| 1026 | - return false; |
|
| 1027 | - } |
|
| 1028 | - |
|
| 1029 | - if ($search === '') { |
|
| 1030 | - $groupUsers = count($members) + $primaryUserCount; |
|
| 1031 | - $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
| 1032 | - return $groupUsers; |
|
| 1033 | - } |
|
| 1034 | - $search = $this->access->escapeFilterPart($search, true); |
|
| 1035 | - $isMemberUid = |
|
| 1036 | - ($this->ldapGroupMemberAssocAttr === 'memberuid' || |
|
| 1037 | - $this->ldapGroupMemberAssocAttr === 'zimbramailforwardingaddress'); |
|
| 1038 | - |
|
| 1039 | - //we need to apply the search filter |
|
| 1040 | - //alternatives that need to be checked: |
|
| 1041 | - //a) get all users by search filter and array_intersect them |
|
| 1042 | - //b) a, but only when less than 1k 10k ?k users like it is |
|
| 1043 | - //c) put all DNs|uids in a LDAP filter, combine with the search string |
|
| 1044 | - // and let it count. |
|
| 1045 | - //For now this is not important, because the only use of this method |
|
| 1046 | - //does not supply a search string |
|
| 1047 | - $groupUsers = []; |
|
| 1048 | - foreach ($members as $member) { |
|
| 1049 | - if ($isMemberUid) { |
|
| 1050 | - if ($this->ldapGroupMemberAssocAttr === 'zimbramailforwardingaddress') { |
|
| 1051 | - //we get email addresses and need to convert them to uids |
|
| 1052 | - $parts = explode('@', $member); |
|
| 1053 | - $member = $parts[0]; |
|
| 1054 | - } |
|
| 1055 | - //we got uids, need to get their DNs to 'translate' them to user names |
|
| 1056 | - $filter = $this->access->combineFilterWithAnd([ |
|
| 1057 | - str_replace('%uid', $member, $this->access->connection->ldapLoginFilter), |
|
| 1058 | - $this->access->getFilterPartForUserSearch($search) |
|
| 1059 | - ]); |
|
| 1060 | - $ldap_users = $this->access->fetchListOfUsers($filter, ['dn'], 1); |
|
| 1061 | - if (count($ldap_users) < 1) { |
|
| 1062 | - continue; |
|
| 1063 | - } |
|
| 1064 | - $groupUsers[] = $this->access->dn2username($ldap_users[0]); |
|
| 1065 | - } else { |
|
| 1066 | - //we need to apply the search filter now |
|
| 1067 | - if (!$this->access->readAttribute($member, |
|
| 1068 | - $this->access->connection->ldapUserDisplayName, |
|
| 1069 | - $this->access->getFilterPartForUserSearch($search))) { |
|
| 1070 | - continue; |
|
| 1071 | - } |
|
| 1072 | - // dn2username will also check if the users belong to the allowed base |
|
| 1073 | - if ($ncGroupId = $this->access->dn2username($member)) { |
|
| 1074 | - $groupUsers[] = $ncGroupId; |
|
| 1075 | - } |
|
| 1076 | - } |
|
| 1077 | - } |
|
| 1078 | - |
|
| 1079 | - //and get users that have the group as primary |
|
| 1080 | - $primaryUsers = $this->countUsersInPrimaryGroup($groupDN, $search); |
|
| 1081 | - |
|
| 1082 | - return count($groupUsers) + $primaryUsers; |
|
| 1083 | - } |
|
| 1084 | - |
|
| 1085 | - /** |
|
| 1086 | - * get a list of all groups using a paged search |
|
| 1087 | - * |
|
| 1088 | - * @param string $search |
|
| 1089 | - * @param int $limit |
|
| 1090 | - * @param int $offset |
|
| 1091 | - * @return array with group names |
|
| 1092 | - * |
|
| 1093 | - * Returns a list with all groups |
|
| 1094 | - * Uses a paged search if available to override a |
|
| 1095 | - * server side search limit. |
|
| 1096 | - * (active directory has a limit of 1000 by default) |
|
| 1097 | - * @throws Exception |
|
| 1098 | - */ |
|
| 1099 | - public function getGroups($search = '', $limit = -1, $offset = 0) { |
|
| 1100 | - if (!$this->enabled) { |
|
| 1101 | - return []; |
|
| 1102 | - } |
|
| 1103 | - $search = $this->access->escapeFilterPart($search, true); |
|
| 1104 | - $cacheKey = 'getGroups-' . $search . '-' . $limit . '-' . $offset; |
|
| 1105 | - |
|
| 1106 | - //Check cache before driving unnecessary searches |
|
| 1107 | - $ldap_groups = $this->access->connection->getFromCache($cacheKey); |
|
| 1108 | - if (!is_null($ldap_groups)) { |
|
| 1109 | - return $ldap_groups; |
|
| 1110 | - } |
|
| 1111 | - |
|
| 1112 | - // if we'd pass -1 to LDAP search, we'd end up in a Protocol |
|
| 1113 | - // error. With a limit of 0, we get 0 results. So we pass null. |
|
| 1114 | - if ($limit <= 0) { |
|
| 1115 | - $limit = null; |
|
| 1116 | - } |
|
| 1117 | - $filter = $this->access->combineFilterWithAnd([ |
|
| 1118 | - $this->access->connection->ldapGroupFilter, |
|
| 1119 | - $this->access->getFilterPartForGroupSearch($search) |
|
| 1120 | - ]); |
|
| 1121 | - $ldap_groups = $this->access->fetchListOfGroups($filter, |
|
| 1122 | - [$this->access->connection->ldapGroupDisplayName, 'dn'], |
|
| 1123 | - $limit, |
|
| 1124 | - $offset); |
|
| 1125 | - $ldap_groups = $this->access->nextcloudGroupNames($ldap_groups); |
|
| 1126 | - |
|
| 1127 | - $this->access->connection->writeToCache($cacheKey, $ldap_groups); |
|
| 1128 | - return $ldap_groups; |
|
| 1129 | - } |
|
| 1130 | - |
|
| 1131 | - /** |
|
| 1132 | - * check if a group exists |
|
| 1133 | - * |
|
| 1134 | - * @param string $gid |
|
| 1135 | - * @return bool |
|
| 1136 | - * @throws ServerNotAvailableException |
|
| 1137 | - */ |
|
| 1138 | - public function groupExists($gid) { |
|
| 1139 | - $groupExists = $this->access->connection->getFromCache('groupExists' . $gid); |
|
| 1140 | - if (!is_null($groupExists)) { |
|
| 1141 | - return (bool)$groupExists; |
|
| 1142 | - } |
|
| 1143 | - |
|
| 1144 | - //getting dn, if false the group does not exist. If dn, it may be mapped |
|
| 1145 | - //only, requires more checking. |
|
| 1146 | - $dn = $this->access->groupname2dn($gid); |
|
| 1147 | - if (!$dn) { |
|
| 1148 | - $this->access->connection->writeToCache('groupExists' . $gid, false); |
|
| 1149 | - return false; |
|
| 1150 | - } |
|
| 1151 | - |
|
| 1152 | - if (!$this->access->isDNPartOfBase($dn, $this->access->connection->ldapBaseGroups)) { |
|
| 1153 | - $this->access->connection->writeToCache('groupExists' . $gid, false); |
|
| 1154 | - return false; |
|
| 1155 | - } |
|
| 1156 | - |
|
| 1157 | - //if group really still exists, we will be able to read its objectClass |
|
| 1158 | - if (!is_array($this->access->readAttribute($dn, '', $this->access->connection->ldapGroupFilter))) { |
|
| 1159 | - $this->access->connection->writeToCache('groupExists' . $gid, false); |
|
| 1160 | - return false; |
|
| 1161 | - } |
|
| 1162 | - |
|
| 1163 | - $this->access->connection->writeToCache('groupExists' . $gid, true); |
|
| 1164 | - return true; |
|
| 1165 | - } |
|
| 1166 | - |
|
| 1167 | - /** |
|
| 1168 | - * @throws ServerNotAvailableException |
|
| 1169 | - * @throws Exception |
|
| 1170 | - */ |
|
| 1171 | - protected function filterValidGroups(array $listOfGroups): array { |
|
| 1172 | - $validGroupDNs = []; |
|
| 1173 | - foreach ($listOfGroups as $key => $item) { |
|
| 1174 | - $dn = is_string($item) ? $item : $item['dn'][0]; |
|
| 1175 | - $gid = $this->access->dn2groupname($dn); |
|
| 1176 | - if (!$gid) { |
|
| 1177 | - continue; |
|
| 1178 | - } |
|
| 1179 | - if ($this->groupExists($gid)) { |
|
| 1180 | - $validGroupDNs[$key] = $item; |
|
| 1181 | - } |
|
| 1182 | - } |
|
| 1183 | - return $validGroupDNs; |
|
| 1184 | - } |
|
| 1185 | - |
|
| 1186 | - /** |
|
| 1187 | - * Check if backend implements actions |
|
| 1188 | - * |
|
| 1189 | - * @param int $actions bitwise-or'ed actions |
|
| 1190 | - * @return boolean |
|
| 1191 | - * |
|
| 1192 | - * Returns the supported actions as int to be |
|
| 1193 | - * compared with GroupInterface::CREATE_GROUP etc. |
|
| 1194 | - */ |
|
| 1195 | - public function implementsActions($actions) { |
|
| 1196 | - return (bool)((GroupInterface::COUNT_USERS | |
|
| 1197 | - $this->groupPluginManager->getImplementedActions()) & $actions); |
|
| 1198 | - } |
|
| 1199 | - |
|
| 1200 | - /** |
|
| 1201 | - * Return access for LDAP interaction. |
|
| 1202 | - * |
|
| 1203 | - * @return Access instance of Access for LDAP interaction |
|
| 1204 | - */ |
|
| 1205 | - public function getLDAPAccess($gid) { |
|
| 1206 | - return $this->access; |
|
| 1207 | - } |
|
| 1208 | - |
|
| 1209 | - /** |
|
| 1210 | - * create a group |
|
| 1211 | - * |
|
| 1212 | - * @param string $gid |
|
| 1213 | - * @return bool |
|
| 1214 | - * @throws Exception |
|
| 1215 | - * @throws ServerNotAvailableException |
|
| 1216 | - */ |
|
| 1217 | - public function createGroup($gid) { |
|
| 1218 | - if ($this->groupPluginManager->implementsActions(GroupInterface::CREATE_GROUP)) { |
|
| 1219 | - if ($dn = $this->groupPluginManager->createGroup($gid)) { |
|
| 1220 | - //updates group mapping |
|
| 1221 | - $uuid = $this->access->getUUID($dn, false); |
|
| 1222 | - if (is_string($uuid)) { |
|
| 1223 | - $this->access->mapAndAnnounceIfApplicable( |
|
| 1224 | - $this->access->getGroupMapper(), |
|
| 1225 | - $dn, |
|
| 1226 | - $gid, |
|
| 1227 | - $uuid, |
|
| 1228 | - false |
|
| 1229 | - ); |
|
| 1230 | - $this->access->cacheGroupExists($gid); |
|
| 1231 | - } |
|
| 1232 | - } |
|
| 1233 | - return $dn != null; |
|
| 1234 | - } |
|
| 1235 | - throw new Exception('Could not create group in LDAP backend.'); |
|
| 1236 | - } |
|
| 1237 | - |
|
| 1238 | - /** |
|
| 1239 | - * delete a group |
|
| 1240 | - * |
|
| 1241 | - * @param string $gid gid of the group to delete |
|
| 1242 | - * @return bool |
|
| 1243 | - * @throws Exception |
|
| 1244 | - */ |
|
| 1245 | - public function deleteGroup($gid) { |
|
| 1246 | - if ($this->groupPluginManager->implementsActions(GroupInterface::DELETE_GROUP)) { |
|
| 1247 | - if ($ret = $this->groupPluginManager->deleteGroup($gid)) { |
|
| 1248 | - #delete group in nextcloud internal db |
|
| 1249 | - $this->access->getGroupMapper()->unmap($gid); |
|
| 1250 | - $this->access->connection->writeToCache("groupExists" . $gid, false); |
|
| 1251 | - } |
|
| 1252 | - return $ret; |
|
| 1253 | - } |
|
| 1254 | - throw new Exception('Could not delete group in LDAP backend.'); |
|
| 1255 | - } |
|
| 1256 | - |
|
| 1257 | - /** |
|
| 1258 | - * Add a user to a group |
|
| 1259 | - * |
|
| 1260 | - * @param string $uid Name of the user to add to group |
|
| 1261 | - * @param string $gid Name of the group in which add the user |
|
| 1262 | - * @return bool |
|
| 1263 | - * @throws Exception |
|
| 1264 | - */ |
|
| 1265 | - public function addToGroup($uid, $gid) { |
|
| 1266 | - if ($this->groupPluginManager->implementsActions(GroupInterface::ADD_TO_GROUP)) { |
|
| 1267 | - if ($ret = $this->groupPluginManager->addToGroup($uid, $gid)) { |
|
| 1268 | - $this->access->connection->clearCache(); |
|
| 1269 | - unset($this->cachedGroupMembers[$gid]); |
|
| 1270 | - } |
|
| 1271 | - return $ret; |
|
| 1272 | - } |
|
| 1273 | - throw new Exception('Could not add user to group in LDAP backend.'); |
|
| 1274 | - } |
|
| 1275 | - |
|
| 1276 | - /** |
|
| 1277 | - * Removes a user from a group |
|
| 1278 | - * |
|
| 1279 | - * @param string $uid Name of the user to remove from group |
|
| 1280 | - * @param string $gid Name of the group from which remove the user |
|
| 1281 | - * @return bool |
|
| 1282 | - * @throws Exception |
|
| 1283 | - */ |
|
| 1284 | - public function removeFromGroup($uid, $gid) { |
|
| 1285 | - if ($this->groupPluginManager->implementsActions(GroupInterface::REMOVE_FROM_GROUP)) { |
|
| 1286 | - if ($ret = $this->groupPluginManager->removeFromGroup($uid, $gid)) { |
|
| 1287 | - $this->access->connection->clearCache(); |
|
| 1288 | - unset($this->cachedGroupMembers[$gid]); |
|
| 1289 | - } |
|
| 1290 | - return $ret; |
|
| 1291 | - } |
|
| 1292 | - throw new Exception('Could not remove user from group in LDAP backend.'); |
|
| 1293 | - } |
|
| 1294 | - |
|
| 1295 | - /** |
|
| 1296 | - * Gets group details |
|
| 1297 | - * |
|
| 1298 | - * @param string $gid Name of the group |
|
| 1299 | - * @return array|false |
|
| 1300 | - * @throws Exception |
|
| 1301 | - */ |
|
| 1302 | - public function getGroupDetails($gid) { |
|
| 1303 | - if ($this->groupPluginManager->implementsActions(GroupInterface::GROUP_DETAILS)) { |
|
| 1304 | - return $this->groupPluginManager->getGroupDetails($gid); |
|
| 1305 | - } |
|
| 1306 | - throw new Exception('Could not get group details in LDAP backend.'); |
|
| 1307 | - } |
|
| 1308 | - |
|
| 1309 | - /** |
|
| 1310 | - * Return LDAP connection resource from a cloned connection. |
|
| 1311 | - * The cloned connection needs to be closed manually. |
|
| 1312 | - * of the current access. |
|
| 1313 | - * |
|
| 1314 | - * @param string $gid |
|
| 1315 | - * @return resource of the LDAP connection |
|
| 1316 | - * @throws ServerNotAvailableException |
|
| 1317 | - */ |
|
| 1318 | - public function getNewLDAPConnection($gid) { |
|
| 1319 | - $connection = clone $this->access->getConnection(); |
|
| 1320 | - return $connection->getConnectionResource(); |
|
| 1321 | - } |
|
| 1322 | - |
|
| 1323 | - /** |
|
| 1324 | - * @throws ServerNotAvailableException |
|
| 1325 | - */ |
|
| 1326 | - public function getDisplayName(string $gid): string { |
|
| 1327 | - if ($this->groupPluginManager instanceof IGetDisplayNameBackend) { |
|
| 1328 | - return $this->groupPluginManager->getDisplayName($gid); |
|
| 1329 | - } |
|
| 1330 | - |
|
| 1331 | - $cacheKey = 'group_getDisplayName' . $gid; |
|
| 1332 | - if (!is_null($displayName = $this->access->connection->getFromCache($cacheKey))) { |
|
| 1333 | - return $displayName; |
|
| 1334 | - } |
|
| 1335 | - |
|
| 1336 | - $displayName = $this->access->readAttribute( |
|
| 1337 | - $this->access->groupname2dn($gid), |
|
| 1338 | - $this->access->connection->ldapGroupDisplayName); |
|
| 1339 | - |
|
| 1340 | - if ($displayName && (count($displayName) > 0)) { |
|
| 1341 | - $displayName = $displayName[0]; |
|
| 1342 | - $this->access->connection->writeToCache($cacheKey, $displayName); |
|
| 1343 | - return $displayName; |
|
| 1344 | - } |
|
| 1345 | - |
|
| 1346 | - return ''; |
|
| 1347 | - } |
|
| 56 | + protected $enabled = false; |
|
| 57 | + |
|
| 58 | + /** @var string[][] $cachedGroupMembers array of users with gid as key */ |
|
| 59 | + protected $cachedGroupMembers; |
|
| 60 | + /** @var string[] $cachedGroupsByMember array of groups with uid as key */ |
|
| 61 | + protected $cachedGroupsByMember; |
|
| 62 | + /** @var string[] $cachedNestedGroups array of groups with gid (DN) as key */ |
|
| 63 | + protected $cachedNestedGroups; |
|
| 64 | + /** @var GroupPluginManager */ |
|
| 65 | + protected $groupPluginManager; |
|
| 66 | + /** @var ILogger */ |
|
| 67 | + protected $logger; |
|
| 68 | + |
|
| 69 | + /** |
|
| 70 | + * @var string $ldapGroupMemberAssocAttr contains the LDAP setting (in lower case) with the same name |
|
| 71 | + */ |
|
| 72 | + protected $ldapGroupMemberAssocAttr; |
|
| 73 | + |
|
| 74 | + public function __construct(Access $access, GroupPluginManager $groupPluginManager) { |
|
| 75 | + parent::__construct($access); |
|
| 76 | + $filter = $this->access->connection->ldapGroupFilter; |
|
| 77 | + $gAssoc = $this->access->connection->ldapGroupMemberAssocAttr; |
|
| 78 | + if (!empty($filter) && !empty($gAssoc)) { |
|
| 79 | + $this->enabled = true; |
|
| 80 | + } |
|
| 81 | + |
|
| 82 | + $this->cachedGroupMembers = new CappedMemoryCache(); |
|
| 83 | + $this->cachedGroupsByMember = new CappedMemoryCache(); |
|
| 84 | + $this->cachedNestedGroups = new CappedMemoryCache(); |
|
| 85 | + $this->groupPluginManager = $groupPluginManager; |
|
| 86 | + $this->logger = OC::$server->getLogger(); |
|
| 87 | + $this->ldapGroupMemberAssocAttr = strtolower($gAssoc); |
|
| 88 | + } |
|
| 89 | + |
|
| 90 | + /** |
|
| 91 | + * is user in group? |
|
| 92 | + * |
|
| 93 | + * @param string $uid uid of the user |
|
| 94 | + * @param string $gid gid of the group |
|
| 95 | + * @return bool |
|
| 96 | + * @throws Exception |
|
| 97 | + * @throws ServerNotAvailableException |
|
| 98 | + */ |
|
| 99 | + public function inGroup($uid, $gid) { |
|
| 100 | + if (!$this->enabled) { |
|
| 101 | + return false; |
|
| 102 | + } |
|
| 103 | + $cacheKey = 'inGroup' . $uid . ':' . $gid; |
|
| 104 | + $inGroup = $this->access->connection->getFromCache($cacheKey); |
|
| 105 | + if (!is_null($inGroup)) { |
|
| 106 | + return (bool)$inGroup; |
|
| 107 | + } |
|
| 108 | + |
|
| 109 | + $userDN = $this->access->username2dn($uid); |
|
| 110 | + |
|
| 111 | + if (isset($this->cachedGroupMembers[$gid])) { |
|
| 112 | + return in_array($userDN, $this->cachedGroupMembers[$gid]); |
|
| 113 | + } |
|
| 114 | + |
|
| 115 | + $cacheKeyMembers = 'inGroup-members:' . $gid; |
|
| 116 | + $members = $this->access->connection->getFromCache($cacheKeyMembers); |
|
| 117 | + if (!is_null($members)) { |
|
| 118 | + $this->cachedGroupMembers[$gid] = $members; |
|
| 119 | + $isInGroup = in_array($userDN, $members, true); |
|
| 120 | + $this->access->connection->writeToCache($cacheKey, $isInGroup); |
|
| 121 | + return $isInGroup; |
|
| 122 | + } |
|
| 123 | + |
|
| 124 | + $groupDN = $this->access->groupname2dn($gid); |
|
| 125 | + // just in case |
|
| 126 | + if (!$groupDN || !$userDN) { |
|
| 127 | + $this->access->connection->writeToCache($cacheKey, false); |
|
| 128 | + return false; |
|
| 129 | + } |
|
| 130 | + |
|
| 131 | + //check primary group first |
|
| 132 | + if ($gid === $this->getUserPrimaryGroup($userDN)) { |
|
| 133 | + $this->access->connection->writeToCache($cacheKey, true); |
|
| 134 | + return true; |
|
| 135 | + } |
|
| 136 | + |
|
| 137 | + //usually, LDAP attributes are said to be case insensitive. But there are exceptions of course. |
|
| 138 | + $members = $this->_groupMembers($groupDN); |
|
| 139 | + |
|
| 140 | + //extra work if we don't get back user DNs |
|
| 141 | + switch ($this->ldapGroupMemberAssocAttr) { |
|
| 142 | + case 'memberuid': |
|
| 143 | + case 'zimbramailforwardingaddress': |
|
| 144 | + $requestAttributes = $this->access->userManager->getAttributes(true); |
|
| 145 | + $users = []; |
|
| 146 | + $filterParts = []; |
|
| 147 | + $bytes = 0; |
|
| 148 | + foreach ($members as $mid) { |
|
| 149 | + if ($this->ldapGroupMemberAssocAttr === 'zimbramailforwardingaddress') { |
|
| 150 | + $parts = explode('@', $mid); //making sure we get only the uid |
|
| 151 | + $mid = $parts[0]; |
|
| 152 | + } |
|
| 153 | + $filter = str_replace('%uid', $mid, $this->access->connection->ldapLoginFilter); |
|
| 154 | + $filterParts[] = $filter; |
|
| 155 | + $bytes += strlen($filter); |
|
| 156 | + if ($bytes >= 9000000) { |
|
| 157 | + // AD has a default input buffer of 10 MB, we do not want |
|
| 158 | + // to take even the chance to exceed it |
|
| 159 | + // so we fetch results with the filterParts we collected so far |
|
| 160 | + $filter = $this->access->combineFilterWithOr($filterParts); |
|
| 161 | + $search = $this->access->fetchListOfUsers($filter, $requestAttributes, count($filterParts)); |
|
| 162 | + $bytes = 0; |
|
| 163 | + $filterParts = []; |
|
| 164 | + $users = array_merge($users, $search); |
|
| 165 | + } |
|
| 166 | + } |
|
| 167 | + |
|
| 168 | + if (count($filterParts) > 0) { |
|
| 169 | + // if there are filterParts left we need to add their result |
|
| 170 | + $filter = $this->access->combineFilterWithOr($filterParts); |
|
| 171 | + $search = $this->access->fetchListOfUsers($filter, $requestAttributes, count($filterParts)); |
|
| 172 | + $users = array_merge($users, $search); |
|
| 173 | + } |
|
| 174 | + |
|
| 175 | + // now we cleanup the users array to get only dns |
|
| 176 | + $dns = []; |
|
| 177 | + foreach ($users as $record) { |
|
| 178 | + $dns[$record['dn'][0]] = 1; |
|
| 179 | + } |
|
| 180 | + $members = array_keys($dns); |
|
| 181 | + |
|
| 182 | + break; |
|
| 183 | + } |
|
| 184 | + |
|
| 185 | + if (count($members) === 0) { |
|
| 186 | + $this->access->connection->writeToCache($cacheKey, false); |
|
| 187 | + return false; |
|
| 188 | + } |
|
| 189 | + |
|
| 190 | + $isInGroup = in_array($userDN, $members); |
|
| 191 | + $this->access->connection->writeToCache($cacheKey, $isInGroup); |
|
| 192 | + $this->access->connection->writeToCache($cacheKeyMembers, $members); |
|
| 193 | + $this->cachedGroupMembers[$gid] = $members; |
|
| 194 | + |
|
| 195 | + return $isInGroup; |
|
| 196 | + } |
|
| 197 | + |
|
| 198 | + /** |
|
| 199 | + * For a group that has user membership defined by an LDAP search url |
|
| 200 | + * attribute returns the users that match the search url otherwise returns |
|
| 201 | + * an empty array. |
|
| 202 | + * |
|
| 203 | + * @throws ServerNotAvailableException |
|
| 204 | + */ |
|
| 205 | + public function getDynamicGroupMembers(string $dnGroup): array { |
|
| 206 | + $dynamicGroupMemberURL = strtolower($this->access->connection->ldapDynamicGroupMemberURL); |
|
| 207 | + |
|
| 208 | + if (empty($dynamicGroupMemberURL)) { |
|
| 209 | + return []; |
|
| 210 | + } |
|
| 211 | + |
|
| 212 | + $dynamicMembers = []; |
|
| 213 | + $memberURLs = $this->access->readAttribute( |
|
| 214 | + $dnGroup, |
|
| 215 | + $dynamicGroupMemberURL, |
|
| 216 | + $this->access->connection->ldapGroupFilter |
|
| 217 | + ); |
|
| 218 | + if ($memberURLs !== false) { |
|
| 219 | + // this group has the 'memberURL' attribute so this is a dynamic group |
|
| 220 | + // example 1: ldap:///cn=users,cn=accounts,dc=dcsubbase,dc=dcbase??one?(o=HeadOffice) |
|
| 221 | + // example 2: ldap:///cn=users,cn=accounts,dc=dcsubbase,dc=dcbase??one?(&(o=HeadOffice)(uidNumber>=500)) |
|
| 222 | + $pos = strpos($memberURLs[0], '('); |
|
| 223 | + if ($pos !== false) { |
|
| 224 | + $memberUrlFilter = substr($memberURLs[0], $pos); |
|
| 225 | + $foundMembers = $this->access->searchUsers($memberUrlFilter, ['dn']); |
|
| 226 | + $dynamicMembers = []; |
|
| 227 | + foreach ($foundMembers as $value) { |
|
| 228 | + $dynamicMembers[$value['dn'][0]] = 1; |
|
| 229 | + } |
|
| 230 | + } else { |
|
| 231 | + $this->logger->debug('No search filter found on member url of group {dn}', |
|
| 232 | + [ |
|
| 233 | + 'app' => 'user_ldap', |
|
| 234 | + 'dn' => $dnGroup, |
|
| 235 | + ] |
|
| 236 | + ); |
|
| 237 | + } |
|
| 238 | + } |
|
| 239 | + return $dynamicMembers; |
|
| 240 | + } |
|
| 241 | + |
|
| 242 | + /** |
|
| 243 | + * @throws ServerNotAvailableException |
|
| 244 | + */ |
|
| 245 | + private function _groupMembers(string $dnGroup, ?array &$seen = null): array { |
|
| 246 | + if ($seen === null) { |
|
| 247 | + $seen = []; |
|
| 248 | + // the root entry has to be marked as processed to avoind infinit loops, |
|
| 249 | + // but not included in the results laters on |
|
| 250 | + $excludeFromResult = $dnGroup; |
|
| 251 | + } |
|
| 252 | + $allMembers = []; |
|
| 253 | + if (array_key_exists($dnGroup, $seen)) { |
|
| 254 | + return []; |
|
| 255 | + } |
|
| 256 | + // used extensively in cron job, caching makes sense for nested groups |
|
| 257 | + $cacheKey = '_groupMembers' . $dnGroup; |
|
| 258 | + $groupMembers = $this->access->connection->getFromCache($cacheKey); |
|
| 259 | + if ($groupMembers !== null) { |
|
| 260 | + return $groupMembers; |
|
| 261 | + } |
|
| 262 | + |
|
| 263 | + if ($this->access->connection->ldapNestedGroups |
|
| 264 | + && $this->access->connection->useMemberOfToDetectMembership |
|
| 265 | + && $this->access->connection->hasMemberOfFilterSupport |
|
| 266 | + && $this->access->connection->ldapMatchingRuleInChainState !== Configuration::LDAP_SERVER_FEATURE_UNAVAILABLE |
|
| 267 | + ) { |
|
| 268 | + $attemptedLdapMatchingRuleInChain = true; |
|
| 269 | + // compatibility hack with servers supporting :1.2.840.113556.1.4.1941:, and others) |
|
| 270 | + $filter = $this->access->combineFilterWithAnd([ |
|
| 271 | + $this->access->connection->ldapUserFilter, |
|
| 272 | + $this->access->connection->ldapUserDisplayName . '=*', |
|
| 273 | + 'memberof:1.2.840.113556.1.4.1941:=' . $dnGroup |
|
| 274 | + ]); |
|
| 275 | + $memberRecords = $this->access->fetchListOfUsers( |
|
| 276 | + $filter, |
|
| 277 | + $this->access->userManager->getAttributes(true) |
|
| 278 | + ); |
|
| 279 | + $result = array_reduce($memberRecords, function ($carry, $record) { |
|
| 280 | + $carry[] = $record['dn'][0]; |
|
| 281 | + return $carry; |
|
| 282 | + }, []); |
|
| 283 | + if ($this->access->connection->ldapMatchingRuleInChainState === Configuration::LDAP_SERVER_FEATURE_AVAILABLE) { |
|
| 284 | + return $result; |
|
| 285 | + } elseif (!empty($memberRecords)) { |
|
| 286 | + $this->access->connection->ldapMatchingRuleInChainState = Configuration::LDAP_SERVER_FEATURE_AVAILABLE; |
|
| 287 | + $this->access->connection->saveConfiguration(); |
|
| 288 | + return $result; |
|
| 289 | + } |
|
| 290 | + // when feature availability is unknown, and the result is empty, continue and test with original approach |
|
| 291 | + } |
|
| 292 | + |
|
| 293 | + $seen[$dnGroup] = 1; |
|
| 294 | + $members = $this->access->readAttribute($dnGroup, $this->access->connection->ldapGroupMemberAssocAttr); |
|
| 295 | + if (is_array($members)) { |
|
| 296 | + $fetcher = function ($memberDN) use (&$seen) { |
|
| 297 | + return $this->_groupMembers($memberDN, $seen); |
|
| 298 | + }; |
|
| 299 | + $allMembers = $this->walkNestedGroups($dnGroup, $fetcher, $members, $seen); |
|
| 300 | + } |
|
| 301 | + |
|
| 302 | + $allMembers += $this->getDynamicGroupMembers($dnGroup); |
|
| 303 | + if (isset($excludeFromResult)) { |
|
| 304 | + $index = array_search($excludeFromResult, $allMembers, true); |
|
| 305 | + if ($index !== false) { |
|
| 306 | + unset($allMembers[$index]); |
|
| 307 | + } |
|
| 308 | + } |
|
| 309 | + |
|
| 310 | + $this->access->connection->writeToCache($cacheKey, $allMembers); |
|
| 311 | + if (isset($attemptedLdapMatchingRuleInChain) |
|
| 312 | + && $this->access->connection->ldapMatchingRuleInChainState === Configuration::LDAP_SERVER_FEATURE_UNKNOWN |
|
| 313 | + && !empty($allMembers) |
|
| 314 | + ) { |
|
| 315 | + $this->access->connection->ldapMatchingRuleInChainState = Configuration::LDAP_SERVER_FEATURE_UNAVAILABLE; |
|
| 316 | + $this->access->connection->saveConfiguration(); |
|
| 317 | + } |
|
| 318 | + return $allMembers; |
|
| 319 | + } |
|
| 320 | + |
|
| 321 | + /** |
|
| 322 | + * @throws ServerNotAvailableException |
|
| 323 | + */ |
|
| 324 | + private function _getGroupDNsFromMemberOf(string $dn): array { |
|
| 325 | + $groups = $this->access->readAttribute($dn, 'memberOf'); |
|
| 326 | + if (!is_array($groups)) { |
|
| 327 | + return []; |
|
| 328 | + } |
|
| 329 | + |
|
| 330 | + $fetcher = function ($groupDN) { |
|
| 331 | + if (isset($this->cachedNestedGroups[$groupDN])) { |
|
| 332 | + $nestedGroups = $this->cachedNestedGroups[$groupDN]; |
|
| 333 | + } else { |
|
| 334 | + $nestedGroups = $this->access->readAttribute($groupDN, 'memberOf'); |
|
| 335 | + if (!is_array($nestedGroups)) { |
|
| 336 | + $nestedGroups = []; |
|
| 337 | + } |
|
| 338 | + $this->cachedNestedGroups[$groupDN] = $nestedGroups; |
|
| 339 | + } |
|
| 340 | + return $nestedGroups; |
|
| 341 | + }; |
|
| 342 | + |
|
| 343 | + $groups = $this->walkNestedGroups($dn, $fetcher, $groups); |
|
| 344 | + return $this->filterValidGroups($groups); |
|
| 345 | + } |
|
| 346 | + |
|
| 347 | + private function walkNestedGroups(string $dn, Closure $fetcher, array $list, array &$seen = []): array { |
|
| 348 | + $nesting = (int)$this->access->connection->ldapNestedGroups; |
|
| 349 | + // depending on the input, we either have a list of DNs or a list of LDAP records |
|
| 350 | + // also, the output expects either DNs or records. Testing the first element should suffice. |
|
| 351 | + $recordMode = is_array($list) && isset($list[0]) && is_array($list[0]) && isset($list[0]['dn'][0]); |
|
| 352 | + |
|
| 353 | + if ($nesting !== 1) { |
|
| 354 | + if ($recordMode) { |
|
| 355 | + // the keys are numeric, but should hold the DN |
|
| 356 | + return array_reduce($list, function ($transformed, $record) use ($dn) { |
|
| 357 | + if ($record['dn'][0] != $dn) { |
|
| 358 | + $transformed[$record['dn'][0]] = $record; |
|
| 359 | + } |
|
| 360 | + return $transformed; |
|
| 361 | + }, []); |
|
| 362 | + } |
|
| 363 | + return $list; |
|
| 364 | + } |
|
| 365 | + |
|
| 366 | + while ($record = array_shift($list)) { |
|
| 367 | + $recordDN = $record['dn'][0] ?? $record; |
|
| 368 | + if ($recordDN === $dn || array_key_exists($recordDN, $seen)) { |
|
| 369 | + // Prevent loops |
|
| 370 | + continue; |
|
| 371 | + } |
|
| 372 | + $fetched = $fetcher($record); |
|
| 373 | + $list = array_merge($list, $fetched); |
|
| 374 | + if (!isset($seen[$recordDN]) || is_bool($seen[$recordDN]) && is_array($record)) { |
|
| 375 | + $seen[$recordDN] = $record; |
|
| 376 | + } |
|
| 377 | + } |
|
| 378 | + |
|
| 379 | + // on record mode, filter out intermediate state |
|
| 380 | + return $recordMode ? array_filter($seen, 'is_array') : array_keys($seen); |
|
| 381 | + } |
|
| 382 | + |
|
| 383 | + /** |
|
| 384 | + * translates a gidNumber into an ownCloud internal name |
|
| 385 | + * |
|
| 386 | + * @return string|bool |
|
| 387 | + * @throws Exception |
|
| 388 | + * @throws ServerNotAvailableException |
|
| 389 | + */ |
|
| 390 | + public function gidNumber2Name(string $gid, string $dn) { |
|
| 391 | + $cacheKey = 'gidNumberToName' . $gid; |
|
| 392 | + $groupName = $this->access->connection->getFromCache($cacheKey); |
|
| 393 | + if (!is_null($groupName) && isset($groupName)) { |
|
| 394 | + return $groupName; |
|
| 395 | + } |
|
| 396 | + |
|
| 397 | + //we need to get the DN from LDAP |
|
| 398 | + $filter = $this->access->combineFilterWithAnd([ |
|
| 399 | + $this->access->connection->ldapGroupFilter, |
|
| 400 | + 'objectClass=posixGroup', |
|
| 401 | + $this->access->connection->ldapGidNumber . '=' . $gid |
|
| 402 | + ]); |
|
| 403 | + return $this->getNameOfGroup($filter, $cacheKey) ?? false; |
|
| 404 | + } |
|
| 405 | + |
|
| 406 | + /** |
|
| 407 | + * @throws ServerNotAvailableException |
|
| 408 | + * @throws Exception |
|
| 409 | + */ |
|
| 410 | + private function getNameOfGroup(string $filter, string $cacheKey) { |
|
| 411 | + $result = $this->access->searchGroups($filter, ['dn'], 1); |
|
| 412 | + if (empty($result)) { |
|
| 413 | + return null; |
|
| 414 | + } |
|
| 415 | + $dn = $result[0]['dn'][0]; |
|
| 416 | + |
|
| 417 | + //and now the group name |
|
| 418 | + //NOTE once we have separate Nextcloud group IDs and group names we can |
|
| 419 | + //directly read the display name attribute instead of the DN |
|
| 420 | + $name = $this->access->dn2groupname($dn); |
|
| 421 | + |
|
| 422 | + $this->access->connection->writeToCache($cacheKey, $name); |
|
| 423 | + |
|
| 424 | + return $name; |
|
| 425 | + } |
|
| 426 | + |
|
| 427 | + /** |
|
| 428 | + * returns the entry's gidNumber |
|
| 429 | + * |
|
| 430 | + * @return string|bool |
|
| 431 | + * @throws ServerNotAvailableException |
|
| 432 | + */ |
|
| 433 | + private function getEntryGidNumber(string $dn, string $attribute) { |
|
| 434 | + $value = $this->access->readAttribute($dn, $attribute); |
|
| 435 | + if (is_array($value) && !empty($value)) { |
|
| 436 | + return $value[0]; |
|
| 437 | + } |
|
| 438 | + return false; |
|
| 439 | + } |
|
| 440 | + |
|
| 441 | + /** |
|
| 442 | + * @return string|bool |
|
| 443 | + * @throws ServerNotAvailableException |
|
| 444 | + */ |
|
| 445 | + public function getGroupGidNumber(string $dn) { |
|
| 446 | + return $this->getEntryGidNumber($dn, 'gidNumber'); |
|
| 447 | + } |
|
| 448 | + |
|
| 449 | + /** |
|
| 450 | + * returns the user's gidNumber |
|
| 451 | + * |
|
| 452 | + * @return string|bool |
|
| 453 | + * @throws ServerNotAvailableException |
|
| 454 | + */ |
|
| 455 | + public function getUserGidNumber(string $dn) { |
|
| 456 | + $gidNumber = false; |
|
| 457 | + if ($this->access->connection->hasGidNumber) { |
|
| 458 | + $gidNumber = $this->getEntryGidNumber($dn, $this->access->connection->ldapGidNumber); |
|
| 459 | + if ($gidNumber === false) { |
|
| 460 | + $this->access->connection->hasGidNumber = false; |
|
| 461 | + } |
|
| 462 | + } |
|
| 463 | + return $gidNumber; |
|
| 464 | + } |
|
| 465 | + |
|
| 466 | + /** |
|
| 467 | + * @throws ServerNotAvailableException |
|
| 468 | + * @throws Exception |
|
| 469 | + */ |
|
| 470 | + private function prepareFilterForUsersHasGidNumber(string $groupDN, string $search = ''): string { |
|
| 471 | + $groupID = $this->getGroupGidNumber($groupDN); |
|
| 472 | + if ($groupID === false) { |
|
| 473 | + throw new Exception('Not a valid group'); |
|
| 474 | + } |
|
| 475 | + |
|
| 476 | + $filterParts = []; |
|
| 477 | + $filterParts[] = $this->access->getFilterForUserCount(); |
|
| 478 | + if ($search !== '') { |
|
| 479 | + $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
|
| 480 | + } |
|
| 481 | + $filterParts[] = $this->access->connection->ldapGidNumber . '=' . $groupID; |
|
| 482 | + |
|
| 483 | + return $this->access->combineFilterWithAnd($filterParts); |
|
| 484 | + } |
|
| 485 | + |
|
| 486 | + /** |
|
| 487 | + * returns a list of users that have the given group as gid number |
|
| 488 | + * |
|
| 489 | + * @throws ServerNotAvailableException |
|
| 490 | + */ |
|
| 491 | + public function getUsersInGidNumber( |
|
| 492 | + string $groupDN, |
|
| 493 | + string $search = '', |
|
| 494 | + ?int $limit = -1, |
|
| 495 | + ?int $offset = 0 |
|
| 496 | + ): array { |
|
| 497 | + try { |
|
| 498 | + $filter = $this->prepareFilterForUsersHasGidNumber($groupDN, $search); |
|
| 499 | + $users = $this->access->fetchListOfUsers( |
|
| 500 | + $filter, |
|
| 501 | + [$this->access->connection->ldapUserDisplayName, 'dn'], |
|
| 502 | + $limit, |
|
| 503 | + $offset |
|
| 504 | + ); |
|
| 505 | + return $this->access->nextcloudUserNames($users); |
|
| 506 | + } catch (ServerNotAvailableException $e) { |
|
| 507 | + throw $e; |
|
| 508 | + } catch (Exception $e) { |
|
| 509 | + return []; |
|
| 510 | + } |
|
| 511 | + } |
|
| 512 | + |
|
| 513 | + /** |
|
| 514 | + * @throws ServerNotAvailableException |
|
| 515 | + * @return bool |
|
| 516 | + */ |
|
| 517 | + public function getUserGroupByGid(string $dn) { |
|
| 518 | + $groupID = $this->getUserGidNumber($dn); |
|
| 519 | + if ($groupID !== false) { |
|
| 520 | + $groupName = $this->gidNumber2Name($groupID, $dn); |
|
| 521 | + if ($groupName !== false) { |
|
| 522 | + return $groupName; |
|
| 523 | + } |
|
| 524 | + } |
|
| 525 | + |
|
| 526 | + return false; |
|
| 527 | + } |
|
| 528 | + |
|
| 529 | + /** |
|
| 530 | + * translates a primary group ID into an Nextcloud internal name |
|
| 531 | + * |
|
| 532 | + * @return string|bool |
|
| 533 | + * @throws Exception |
|
| 534 | + * @throws ServerNotAvailableException |
|
| 535 | + */ |
|
| 536 | + public function primaryGroupID2Name(string $gid, string $dn) { |
|
| 537 | + $cacheKey = 'primaryGroupIDtoName'; |
|
| 538 | + $groupNames = $this->access->connection->getFromCache($cacheKey); |
|
| 539 | + if (!is_null($groupNames) && isset($groupNames[$gid])) { |
|
| 540 | + return $groupNames[$gid]; |
|
| 541 | + } |
|
| 542 | + |
|
| 543 | + $domainObjectSid = $this->access->getSID($dn); |
|
| 544 | + if ($domainObjectSid === false) { |
|
| 545 | + return false; |
|
| 546 | + } |
|
| 547 | + |
|
| 548 | + //we need to get the DN from LDAP |
|
| 549 | + $filter = $this->access->combineFilterWithAnd([ |
|
| 550 | + $this->access->connection->ldapGroupFilter, |
|
| 551 | + 'objectsid=' . $domainObjectSid . '-' . $gid |
|
| 552 | + ]); |
|
| 553 | + return $this->getNameOfGroup($filter, $cacheKey) ?? false; |
|
| 554 | + } |
|
| 555 | + |
|
| 556 | + /** |
|
| 557 | + * returns the entry's primary group ID |
|
| 558 | + * |
|
| 559 | + * @return string|bool |
|
| 560 | + * @throws ServerNotAvailableException |
|
| 561 | + */ |
|
| 562 | + private function getEntryGroupID(string $dn, string $attribute) { |
|
| 563 | + $value = $this->access->readAttribute($dn, $attribute); |
|
| 564 | + if (is_array($value) && !empty($value)) { |
|
| 565 | + return $value[0]; |
|
| 566 | + } |
|
| 567 | + return false; |
|
| 568 | + } |
|
| 569 | + |
|
| 570 | + /** |
|
| 571 | + * @return string|bool |
|
| 572 | + * @throws ServerNotAvailableException |
|
| 573 | + */ |
|
| 574 | + public function getGroupPrimaryGroupID(string $dn) { |
|
| 575 | + return $this->getEntryGroupID($dn, 'primaryGroupToken'); |
|
| 576 | + } |
|
| 577 | + |
|
| 578 | + /** |
|
| 579 | + * @return string|bool |
|
| 580 | + * @throws ServerNotAvailableException |
|
| 581 | + */ |
|
| 582 | + public function getUserPrimaryGroupIDs(string $dn) { |
|
| 583 | + $primaryGroupID = false; |
|
| 584 | + if ($this->access->connection->hasPrimaryGroups) { |
|
| 585 | + $primaryGroupID = $this->getEntryGroupID($dn, 'primaryGroupID'); |
|
| 586 | + if ($primaryGroupID === false) { |
|
| 587 | + $this->access->connection->hasPrimaryGroups = false; |
|
| 588 | + } |
|
| 589 | + } |
|
| 590 | + return $primaryGroupID; |
|
| 591 | + } |
|
| 592 | + |
|
| 593 | + /** |
|
| 594 | + * @throws Exception |
|
| 595 | + * @throws ServerNotAvailableException |
|
| 596 | + */ |
|
| 597 | + private function prepareFilterForUsersInPrimaryGroup(string $groupDN, string $search = ''): string { |
|
| 598 | + $groupID = $this->getGroupPrimaryGroupID($groupDN); |
|
| 599 | + if ($groupID === false) { |
|
| 600 | + throw new Exception('Not a valid group'); |
|
| 601 | + } |
|
| 602 | + |
|
| 603 | + $filterParts = []; |
|
| 604 | + $filterParts[] = $this->access->getFilterForUserCount(); |
|
| 605 | + if ($search !== '') { |
|
| 606 | + $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
|
| 607 | + } |
|
| 608 | + $filterParts[] = 'primaryGroupID=' . $groupID; |
|
| 609 | + |
|
| 610 | + return $this->access->combineFilterWithAnd($filterParts); |
|
| 611 | + } |
|
| 612 | + |
|
| 613 | + /** |
|
| 614 | + * @throws ServerNotAvailableException |
|
| 615 | + */ |
|
| 616 | + public function getUsersInPrimaryGroup( |
|
| 617 | + string $groupDN, |
|
| 618 | + string $search = '', |
|
| 619 | + ?int $limit = -1, |
|
| 620 | + ?int $offset = 0 |
|
| 621 | + ): array { |
|
| 622 | + try { |
|
| 623 | + $filter = $this->prepareFilterForUsersInPrimaryGroup($groupDN, $search); |
|
| 624 | + $users = $this->access->fetchListOfUsers( |
|
| 625 | + $filter, |
|
| 626 | + [$this->access->connection->ldapUserDisplayName, 'dn'], |
|
| 627 | + $limit, |
|
| 628 | + $offset |
|
| 629 | + ); |
|
| 630 | + return $this->access->nextcloudUserNames($users); |
|
| 631 | + } catch (ServerNotAvailableException $e) { |
|
| 632 | + throw $e; |
|
| 633 | + } catch (Exception $e) { |
|
| 634 | + return []; |
|
| 635 | + } |
|
| 636 | + } |
|
| 637 | + |
|
| 638 | + /** |
|
| 639 | + * @throws ServerNotAvailableException |
|
| 640 | + */ |
|
| 641 | + public function countUsersInPrimaryGroup( |
|
| 642 | + string $groupDN, |
|
| 643 | + string $search = '', |
|
| 644 | + int $limit = -1, |
|
| 645 | + int $offset = 0 |
|
| 646 | + ): int { |
|
| 647 | + try { |
|
| 648 | + $filter = $this->prepareFilterForUsersInPrimaryGroup($groupDN, $search); |
|
| 649 | + $users = $this->access->countUsers($filter, ['dn'], $limit, $offset); |
|
| 650 | + return (int)$users; |
|
| 651 | + } catch (ServerNotAvailableException $e) { |
|
| 652 | + throw $e; |
|
| 653 | + } catch (Exception $e) { |
|
| 654 | + return 0; |
|
| 655 | + } |
|
| 656 | + } |
|
| 657 | + |
|
| 658 | + /** |
|
| 659 | + * @return string|bool |
|
| 660 | + * @throws ServerNotAvailableException |
|
| 661 | + */ |
|
| 662 | + public function getUserPrimaryGroup(string $dn) { |
|
| 663 | + $groupID = $this->getUserPrimaryGroupIDs($dn); |
|
| 664 | + if ($groupID !== false) { |
|
| 665 | + $groupName = $this->primaryGroupID2Name($groupID, $dn); |
|
| 666 | + if ($groupName !== false) { |
|
| 667 | + return $groupName; |
|
| 668 | + } |
|
| 669 | + } |
|
| 670 | + |
|
| 671 | + return false; |
|
| 672 | + } |
|
| 673 | + |
|
| 674 | + /** |
|
| 675 | + * This function fetches all groups a user belongs to. It does not check |
|
| 676 | + * if the user exists at all. |
|
| 677 | + * |
|
| 678 | + * This function includes groups based on dynamic group membership. |
|
| 679 | + * |
|
| 680 | + * @param string $uid Name of the user |
|
| 681 | + * @return array with group names |
|
| 682 | + * @throws Exception |
|
| 683 | + * @throws ServerNotAvailableException |
|
| 684 | + */ |
|
| 685 | + public function getUserGroups($uid) { |
|
| 686 | + if (!$this->enabled) { |
|
| 687 | + return []; |
|
| 688 | + } |
|
| 689 | + $cacheKey = 'getUserGroups' . $uid; |
|
| 690 | + $userGroups = $this->access->connection->getFromCache($cacheKey); |
|
| 691 | + if (!is_null($userGroups)) { |
|
| 692 | + return $userGroups; |
|
| 693 | + } |
|
| 694 | + $userDN = $this->access->username2dn($uid); |
|
| 695 | + if (!$userDN) { |
|
| 696 | + $this->access->connection->writeToCache($cacheKey, []); |
|
| 697 | + return []; |
|
| 698 | + } |
|
| 699 | + |
|
| 700 | + $groups = []; |
|
| 701 | + $primaryGroup = $this->getUserPrimaryGroup($userDN); |
|
| 702 | + $gidGroupName = $this->getUserGroupByGid($userDN); |
|
| 703 | + |
|
| 704 | + $dynamicGroupMemberURL = strtolower($this->access->connection->ldapDynamicGroupMemberURL); |
|
| 705 | + |
|
| 706 | + if (!empty($dynamicGroupMemberURL)) { |
|
| 707 | + // look through dynamic groups to add them to the result array if needed |
|
| 708 | + $groupsToMatch = $this->access->fetchListOfGroups( |
|
| 709 | + $this->access->connection->ldapGroupFilter, ['dn', $dynamicGroupMemberURL]); |
|
| 710 | + foreach ($groupsToMatch as $dynamicGroup) { |
|
| 711 | + if (!array_key_exists($dynamicGroupMemberURL, $dynamicGroup)) { |
|
| 712 | + continue; |
|
| 713 | + } |
|
| 714 | + $pos = strpos($dynamicGroup[$dynamicGroupMemberURL][0], '('); |
|
| 715 | + if ($pos !== false) { |
|
| 716 | + $memberUrlFilter = substr($dynamicGroup[$dynamicGroupMemberURL][0], $pos); |
|
| 717 | + // apply filter via ldap search to see if this user is in this |
|
| 718 | + // dynamic group |
|
| 719 | + $userMatch = $this->access->readAttribute( |
|
| 720 | + $userDN, |
|
| 721 | + $this->access->connection->ldapUserDisplayName, |
|
| 722 | + $memberUrlFilter |
|
| 723 | + ); |
|
| 724 | + if ($userMatch !== false) { |
|
| 725 | + // match found so this user is in this group |
|
| 726 | + $groupName = $this->access->dn2groupname($dynamicGroup['dn'][0]); |
|
| 727 | + if (is_string($groupName)) { |
|
| 728 | + // be sure to never return false if the dn could not be |
|
| 729 | + // resolved to a name, for whatever reason. |
|
| 730 | + $groups[] = $groupName; |
|
| 731 | + } |
|
| 732 | + } |
|
| 733 | + } else { |
|
| 734 | + $this->logger->debug('No search filter found on member url of group {dn}', |
|
| 735 | + [ |
|
| 736 | + 'app' => 'user_ldap', |
|
| 737 | + 'dn' => $dynamicGroup, |
|
| 738 | + ] |
|
| 739 | + ); |
|
| 740 | + } |
|
| 741 | + } |
|
| 742 | + } |
|
| 743 | + |
|
| 744 | + // if possible, read out membership via memberOf. It's far faster than |
|
| 745 | + // performing a search, which still is a fallback later. |
|
| 746 | + // memberof doesn't support memberuid, so skip it here. |
|
| 747 | + if ((int)$this->access->connection->hasMemberOfFilterSupport === 1 |
|
| 748 | + && (int)$this->access->connection->useMemberOfToDetectMembership === 1 |
|
| 749 | + && $this->ldapGroupMemberAssocAttr !== 'memberuid' |
|
| 750 | + && $this->ldapGroupMemberAssocAttr !== 'zimbramailforwardingaddress') { |
|
| 751 | + $groupDNs = $this->_getGroupDNsFromMemberOf($userDN); |
|
| 752 | + if (is_array($groupDNs)) { |
|
| 753 | + foreach ($groupDNs as $dn) { |
|
| 754 | + $groupName = $this->access->dn2groupname($dn); |
|
| 755 | + if (is_string($groupName)) { |
|
| 756 | + // be sure to never return false if the dn could not be |
|
| 757 | + // resolved to a name, for whatever reason. |
|
| 758 | + $groups[] = $groupName; |
|
| 759 | + } |
|
| 760 | + } |
|
| 761 | + } |
|
| 762 | + |
|
| 763 | + if ($primaryGroup !== false) { |
|
| 764 | + $groups[] = $primaryGroup; |
|
| 765 | + } |
|
| 766 | + if ($gidGroupName !== false) { |
|
| 767 | + $groups[] = $gidGroupName; |
|
| 768 | + } |
|
| 769 | + $this->access->connection->writeToCache($cacheKey, $groups); |
|
| 770 | + return $groups; |
|
| 771 | + } |
|
| 772 | + |
|
| 773 | + //uniqueMember takes DN, memberuid the uid, so we need to distinguish |
|
| 774 | + switch ($this->ldapGroupMemberAssocAttr) { |
|
| 775 | + case 'uniquemember': |
|
| 776 | + case 'member': |
|
| 777 | + $uid = $userDN; |
|
| 778 | + break; |
|
| 779 | + |
|
| 780 | + case 'memberuid': |
|
| 781 | + case 'zimbramailforwardingaddress': |
|
| 782 | + $result = $this->access->readAttribute($userDN, 'uid'); |
|
| 783 | + if ($result === false) { |
|
| 784 | + $this->logger->debug('No uid attribute found for DN {dn} on {host}', |
|
| 785 | + [ |
|
| 786 | + 'app' => 'user_ldap', |
|
| 787 | + 'dn' => $userDN, |
|
| 788 | + 'host' => $this->access->connection->ldapHost, |
|
| 789 | + ] |
|
| 790 | + ); |
|
| 791 | + $uid = false; |
|
| 792 | + } else { |
|
| 793 | + $uid = $result[0]; |
|
| 794 | + } |
|
| 795 | + break; |
|
| 796 | + |
|
| 797 | + default: |
|
| 798 | + // just in case |
|
| 799 | + $uid = $userDN; |
|
| 800 | + break; |
|
| 801 | + } |
|
| 802 | + |
|
| 803 | + if ($uid !== false) { |
|
| 804 | + if (isset($this->cachedGroupsByMember[$uid])) { |
|
| 805 | + $groups = array_merge($groups, $this->cachedGroupsByMember[$uid]); |
|
| 806 | + } else { |
|
| 807 | + $groupsByMember = array_values($this->getGroupsByMember($uid)); |
|
| 808 | + $groupsByMember = $this->access->nextcloudGroupNames($groupsByMember); |
|
| 809 | + $this->cachedGroupsByMember[$uid] = $groupsByMember; |
|
| 810 | + $groups = array_merge($groups, $groupsByMember); |
|
| 811 | + } |
|
| 812 | + } |
|
| 813 | + |
|
| 814 | + if ($primaryGroup !== false) { |
|
| 815 | + $groups[] = $primaryGroup; |
|
| 816 | + } |
|
| 817 | + if ($gidGroupName !== false) { |
|
| 818 | + $groups[] = $gidGroupName; |
|
| 819 | + } |
|
| 820 | + |
|
| 821 | + $groups = array_unique($groups, SORT_LOCALE_STRING); |
|
| 822 | + $this->access->connection->writeToCache($cacheKey, $groups); |
|
| 823 | + |
|
| 824 | + return $groups; |
|
| 825 | + } |
|
| 826 | + |
|
| 827 | + /** |
|
| 828 | + * @throws ServerNotAvailableException |
|
| 829 | + */ |
|
| 830 | + private function getGroupsByMember(string $dn, array &$seen = null): array { |
|
| 831 | + if ($seen === null) { |
|
| 832 | + $seen = []; |
|
| 833 | + } |
|
| 834 | + if (array_key_exists($dn, $seen)) { |
|
| 835 | + // avoid loops |
|
| 836 | + return []; |
|
| 837 | + } |
|
| 838 | + $allGroups = []; |
|
| 839 | + $seen[$dn] = true; |
|
| 840 | + $filter = $this->access->connection->ldapGroupMemberAssocAttr . '=' . $dn; |
|
| 841 | + |
|
| 842 | + if ($this->ldapGroupMemberAssocAttr === 'zimbramailforwardingaddress') { |
|
| 843 | + //in this case the member entries are email addresses |
|
| 844 | + $filter .= '@*'; |
|
| 845 | + } |
|
| 846 | + |
|
| 847 | + $nesting = (int)$this->access->connection->ldapNestedGroups; |
|
| 848 | + if ($nesting === 0) { |
|
| 849 | + $filter = $this->access->combineFilterWithAnd([$filter, $this->access->connection->ldapGroupFilter]); |
|
| 850 | + } |
|
| 851 | + |
|
| 852 | + $groups = $this->access->fetchListOfGroups($filter, |
|
| 853 | + [strtolower($this->access->connection->ldapGroupMemberAssocAttr), $this->access->connection->ldapGroupDisplayName, 'dn']); |
|
| 854 | + if (is_array($groups)) { |
|
| 855 | + $fetcher = function ($dn) use (&$seen) { |
|
| 856 | + if (is_array($dn) && isset($dn['dn'][0])) { |
|
| 857 | + $dn = $dn['dn'][0]; |
|
| 858 | + } |
|
| 859 | + return $this->getGroupsByMember($dn, $seen); |
|
| 860 | + }; |
|
| 861 | + |
|
| 862 | + if (empty($dn)) { |
|
| 863 | + $dn = ""; |
|
| 864 | + } |
|
| 865 | + |
|
| 866 | + $allGroups = $this->walkNestedGroups($dn, $fetcher, $groups, $seen); |
|
| 867 | + } |
|
| 868 | + $visibleGroups = $this->filterValidGroups($allGroups); |
|
| 869 | + return array_intersect_key($allGroups, $visibleGroups); |
|
| 870 | + } |
|
| 871 | + |
|
| 872 | + /** |
|
| 873 | + * get a list of all users in a group |
|
| 874 | + * |
|
| 875 | + * @param string $gid |
|
| 876 | + * @param string $search |
|
| 877 | + * @param int $limit |
|
| 878 | + * @param int $offset |
|
| 879 | + * @return array with user ids |
|
| 880 | + * @throws Exception |
|
| 881 | + * @throws ServerNotAvailableException |
|
| 882 | + */ |
|
| 883 | + public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) { |
|
| 884 | + if (!$this->enabled) { |
|
| 885 | + return []; |
|
| 886 | + } |
|
| 887 | + if (!$this->groupExists($gid)) { |
|
| 888 | + return []; |
|
| 889 | + } |
|
| 890 | + $search = $this->access->escapeFilterPart($search, true); |
|
| 891 | + $cacheKey = 'usersInGroup-' . $gid . '-' . $search . '-' . $limit . '-' . $offset; |
|
| 892 | + // check for cache of the exact query |
|
| 893 | + $groupUsers = $this->access->connection->getFromCache($cacheKey); |
|
| 894 | + if (!is_null($groupUsers)) { |
|
| 895 | + return $groupUsers; |
|
| 896 | + } |
|
| 897 | + |
|
| 898 | + if ($limit === -1) { |
|
| 899 | + $limit = null; |
|
| 900 | + } |
|
| 901 | + // check for cache of the query without limit and offset |
|
| 902 | + $groupUsers = $this->access->connection->getFromCache('usersInGroup-' . $gid . '-' . $search); |
|
| 903 | + if (!is_null($groupUsers)) { |
|
| 904 | + $groupUsers = array_slice($groupUsers, $offset, $limit); |
|
| 905 | + $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
| 906 | + return $groupUsers; |
|
| 907 | + } |
|
| 908 | + |
|
| 909 | + $groupDN = $this->access->groupname2dn($gid); |
|
| 910 | + if (!$groupDN) { |
|
| 911 | + // group couldn't be found, return empty resultset |
|
| 912 | + $this->access->connection->writeToCache($cacheKey, []); |
|
| 913 | + return []; |
|
| 914 | + } |
|
| 915 | + |
|
| 916 | + $primaryUsers = $this->getUsersInPrimaryGroup($groupDN, $search, $limit, $offset); |
|
| 917 | + $posixGroupUsers = $this->getUsersInGidNumber($groupDN, $search, $limit, $offset); |
|
| 918 | + $members = $this->_groupMembers($groupDN); |
|
| 919 | + if (!$members && empty($posixGroupUsers) && empty($primaryUsers)) { |
|
| 920 | + //in case users could not be retrieved, return empty result set |
|
| 921 | + $this->access->connection->writeToCache($cacheKey, []); |
|
| 922 | + return []; |
|
| 923 | + } |
|
| 924 | + |
|
| 925 | + $groupUsers = []; |
|
| 926 | + $attrs = $this->access->userManager->getAttributes(true); |
|
| 927 | + foreach ($members as $member) { |
|
| 928 | + switch ($this->ldapGroupMemberAssocAttr) { |
|
| 929 | + /** @noinspection PhpMissingBreakStatementInspection */ |
|
| 930 | + case 'zimbramailforwardingaddress': |
|
| 931 | + //we get email addresses and need to convert them to uids |
|
| 932 | + $parts = explode('@', $member); |
|
| 933 | + $member = $parts[0]; |
|
| 934 | + //no break needed because we just needed to remove the email part and now we have uids |
|
| 935 | + case 'memberuid': |
|
| 936 | + //we got uids, need to get their DNs to 'translate' them to user names |
|
| 937 | + $filter = $this->access->combineFilterWithAnd([ |
|
| 938 | + str_replace('%uid', trim($member), $this->access->connection->ldapLoginFilter), |
|
| 939 | + $this->access->combineFilterWithAnd([ |
|
| 940 | + $this->access->getFilterPartForUserSearch($search), |
|
| 941 | + $this->access->connection->ldapUserFilter |
|
| 942 | + ]) |
|
| 943 | + ]); |
|
| 944 | + $ldap_users = $this->access->fetchListOfUsers($filter, $attrs, 1); |
|
| 945 | + if (empty($ldap_users)) { |
|
| 946 | + break; |
|
| 947 | + } |
|
| 948 | + $groupUsers[] = $this->access->dn2username($ldap_users[0]['dn'][0]); |
|
| 949 | + break; |
|
| 950 | + default: |
|
| 951 | + //we got DNs, check if we need to filter by search or we can give back all of them |
|
| 952 | + $uid = $this->access->dn2username($member); |
|
| 953 | + if (!$uid) { |
|
| 954 | + break; |
|
| 955 | + } |
|
| 956 | + |
|
| 957 | + $cacheKey = 'userExistsOnLDAP' . $uid; |
|
| 958 | + $userExists = $this->access->connection->getFromCache($cacheKey); |
|
| 959 | + if ($userExists === false) { |
|
| 960 | + break; |
|
| 961 | + } |
|
| 962 | + if ($userExists === null || $search !== '') { |
|
| 963 | + if (!$this->access->readAttribute($member, |
|
| 964 | + $this->access->connection->ldapUserDisplayName, |
|
| 965 | + $this->access->combineFilterWithAnd([ |
|
| 966 | + $this->access->getFilterPartForUserSearch($search), |
|
| 967 | + $this->access->connection->ldapUserFilter |
|
| 968 | + ]))) { |
|
| 969 | + if ($search === '') { |
|
| 970 | + $this->access->connection->writeToCache($cacheKey, false); |
|
| 971 | + } |
|
| 972 | + break; |
|
| 973 | + } |
|
| 974 | + $this->access->connection->writeToCache($cacheKey, true); |
|
| 975 | + } |
|
| 976 | + $groupUsers[] = $uid; |
|
| 977 | + break; |
|
| 978 | + } |
|
| 979 | + } |
|
| 980 | + |
|
| 981 | + $groupUsers = array_unique(array_merge($groupUsers, $primaryUsers, $posixGroupUsers)); |
|
| 982 | + natsort($groupUsers); |
|
| 983 | + $this->access->connection->writeToCache('usersInGroup-' . $gid . '-' . $search, $groupUsers); |
|
| 984 | + $groupUsers = array_slice($groupUsers, $offset, $limit); |
|
| 985 | + |
|
| 986 | + $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
| 987 | + |
|
| 988 | + return $groupUsers; |
|
| 989 | + } |
|
| 990 | + |
|
| 991 | + /** |
|
| 992 | + * returns the number of users in a group, who match the search term |
|
| 993 | + * |
|
| 994 | + * @param string $gid the internal group name |
|
| 995 | + * @param string $search optional, a search string |
|
| 996 | + * @return int|bool |
|
| 997 | + * @throws Exception |
|
| 998 | + * @throws ServerNotAvailableException |
|
| 999 | + */ |
|
| 1000 | + public function countUsersInGroup($gid, $search = '') { |
|
| 1001 | + if ($this->groupPluginManager->implementsActions(GroupInterface::COUNT_USERS)) { |
|
| 1002 | + return $this->groupPluginManager->countUsersInGroup($gid, $search); |
|
| 1003 | + } |
|
| 1004 | + |
|
| 1005 | + $cacheKey = 'countUsersInGroup-' . $gid . '-' . $search; |
|
| 1006 | + if (!$this->enabled || !$this->groupExists($gid)) { |
|
| 1007 | + return false; |
|
| 1008 | + } |
|
| 1009 | + $groupUsers = $this->access->connection->getFromCache($cacheKey); |
|
| 1010 | + if (!is_null($groupUsers)) { |
|
| 1011 | + return $groupUsers; |
|
| 1012 | + } |
|
| 1013 | + |
|
| 1014 | + $groupDN = $this->access->groupname2dn($gid); |
|
| 1015 | + if (!$groupDN) { |
|
| 1016 | + // group couldn't be found, return empty result set |
|
| 1017 | + $this->access->connection->writeToCache($cacheKey, false); |
|
| 1018 | + return false; |
|
| 1019 | + } |
|
| 1020 | + |
|
| 1021 | + $members = $this->_groupMembers($groupDN); |
|
| 1022 | + $primaryUserCount = $this->countUsersInPrimaryGroup($groupDN, ''); |
|
| 1023 | + if (!$members && $primaryUserCount === 0) { |
|
| 1024 | + //in case users could not be retrieved, return empty result set |
|
| 1025 | + $this->access->connection->writeToCache($cacheKey, false); |
|
| 1026 | + return false; |
|
| 1027 | + } |
|
| 1028 | + |
|
| 1029 | + if ($search === '') { |
|
| 1030 | + $groupUsers = count($members) + $primaryUserCount; |
|
| 1031 | + $this->access->connection->writeToCache($cacheKey, $groupUsers); |
|
| 1032 | + return $groupUsers; |
|
| 1033 | + } |
|
| 1034 | + $search = $this->access->escapeFilterPart($search, true); |
|
| 1035 | + $isMemberUid = |
|
| 1036 | + ($this->ldapGroupMemberAssocAttr === 'memberuid' || |
|
| 1037 | + $this->ldapGroupMemberAssocAttr === 'zimbramailforwardingaddress'); |
|
| 1038 | + |
|
| 1039 | + //we need to apply the search filter |
|
| 1040 | + //alternatives that need to be checked: |
|
| 1041 | + //a) get all users by search filter and array_intersect them |
|
| 1042 | + //b) a, but only when less than 1k 10k ?k users like it is |
|
| 1043 | + //c) put all DNs|uids in a LDAP filter, combine with the search string |
|
| 1044 | + // and let it count. |
|
| 1045 | + //For now this is not important, because the only use of this method |
|
| 1046 | + //does not supply a search string |
|
| 1047 | + $groupUsers = []; |
|
| 1048 | + foreach ($members as $member) { |
|
| 1049 | + if ($isMemberUid) { |
|
| 1050 | + if ($this->ldapGroupMemberAssocAttr === 'zimbramailforwardingaddress') { |
|
| 1051 | + //we get email addresses and need to convert them to uids |
|
| 1052 | + $parts = explode('@', $member); |
|
| 1053 | + $member = $parts[0]; |
|
| 1054 | + } |
|
| 1055 | + //we got uids, need to get their DNs to 'translate' them to user names |
|
| 1056 | + $filter = $this->access->combineFilterWithAnd([ |
|
| 1057 | + str_replace('%uid', $member, $this->access->connection->ldapLoginFilter), |
|
| 1058 | + $this->access->getFilterPartForUserSearch($search) |
|
| 1059 | + ]); |
|
| 1060 | + $ldap_users = $this->access->fetchListOfUsers($filter, ['dn'], 1); |
|
| 1061 | + if (count($ldap_users) < 1) { |
|
| 1062 | + continue; |
|
| 1063 | + } |
|
| 1064 | + $groupUsers[] = $this->access->dn2username($ldap_users[0]); |
|
| 1065 | + } else { |
|
| 1066 | + //we need to apply the search filter now |
|
| 1067 | + if (!$this->access->readAttribute($member, |
|
| 1068 | + $this->access->connection->ldapUserDisplayName, |
|
| 1069 | + $this->access->getFilterPartForUserSearch($search))) { |
|
| 1070 | + continue; |
|
| 1071 | + } |
|
| 1072 | + // dn2username will also check if the users belong to the allowed base |
|
| 1073 | + if ($ncGroupId = $this->access->dn2username($member)) { |
|
| 1074 | + $groupUsers[] = $ncGroupId; |
|
| 1075 | + } |
|
| 1076 | + } |
|
| 1077 | + } |
|
| 1078 | + |
|
| 1079 | + //and get users that have the group as primary |
|
| 1080 | + $primaryUsers = $this->countUsersInPrimaryGroup($groupDN, $search); |
|
| 1081 | + |
|
| 1082 | + return count($groupUsers) + $primaryUsers; |
|
| 1083 | + } |
|
| 1084 | + |
|
| 1085 | + /** |
|
| 1086 | + * get a list of all groups using a paged search |
|
| 1087 | + * |
|
| 1088 | + * @param string $search |
|
| 1089 | + * @param int $limit |
|
| 1090 | + * @param int $offset |
|
| 1091 | + * @return array with group names |
|
| 1092 | + * |
|
| 1093 | + * Returns a list with all groups |
|
| 1094 | + * Uses a paged search if available to override a |
|
| 1095 | + * server side search limit. |
|
| 1096 | + * (active directory has a limit of 1000 by default) |
|
| 1097 | + * @throws Exception |
|
| 1098 | + */ |
|
| 1099 | + public function getGroups($search = '', $limit = -1, $offset = 0) { |
|
| 1100 | + if (!$this->enabled) { |
|
| 1101 | + return []; |
|
| 1102 | + } |
|
| 1103 | + $search = $this->access->escapeFilterPart($search, true); |
|
| 1104 | + $cacheKey = 'getGroups-' . $search . '-' . $limit . '-' . $offset; |
|
| 1105 | + |
|
| 1106 | + //Check cache before driving unnecessary searches |
|
| 1107 | + $ldap_groups = $this->access->connection->getFromCache($cacheKey); |
|
| 1108 | + if (!is_null($ldap_groups)) { |
|
| 1109 | + return $ldap_groups; |
|
| 1110 | + } |
|
| 1111 | + |
|
| 1112 | + // if we'd pass -1 to LDAP search, we'd end up in a Protocol |
|
| 1113 | + // error. With a limit of 0, we get 0 results. So we pass null. |
|
| 1114 | + if ($limit <= 0) { |
|
| 1115 | + $limit = null; |
|
| 1116 | + } |
|
| 1117 | + $filter = $this->access->combineFilterWithAnd([ |
|
| 1118 | + $this->access->connection->ldapGroupFilter, |
|
| 1119 | + $this->access->getFilterPartForGroupSearch($search) |
|
| 1120 | + ]); |
|
| 1121 | + $ldap_groups = $this->access->fetchListOfGroups($filter, |
|
| 1122 | + [$this->access->connection->ldapGroupDisplayName, 'dn'], |
|
| 1123 | + $limit, |
|
| 1124 | + $offset); |
|
| 1125 | + $ldap_groups = $this->access->nextcloudGroupNames($ldap_groups); |
|
| 1126 | + |
|
| 1127 | + $this->access->connection->writeToCache($cacheKey, $ldap_groups); |
|
| 1128 | + return $ldap_groups; |
|
| 1129 | + } |
|
| 1130 | + |
|
| 1131 | + /** |
|
| 1132 | + * check if a group exists |
|
| 1133 | + * |
|
| 1134 | + * @param string $gid |
|
| 1135 | + * @return bool |
|
| 1136 | + * @throws ServerNotAvailableException |
|
| 1137 | + */ |
|
| 1138 | + public function groupExists($gid) { |
|
| 1139 | + $groupExists = $this->access->connection->getFromCache('groupExists' . $gid); |
|
| 1140 | + if (!is_null($groupExists)) { |
|
| 1141 | + return (bool)$groupExists; |
|
| 1142 | + } |
|
| 1143 | + |
|
| 1144 | + //getting dn, if false the group does not exist. If dn, it may be mapped |
|
| 1145 | + //only, requires more checking. |
|
| 1146 | + $dn = $this->access->groupname2dn($gid); |
|
| 1147 | + if (!$dn) { |
|
| 1148 | + $this->access->connection->writeToCache('groupExists' . $gid, false); |
|
| 1149 | + return false; |
|
| 1150 | + } |
|
| 1151 | + |
|
| 1152 | + if (!$this->access->isDNPartOfBase($dn, $this->access->connection->ldapBaseGroups)) { |
|
| 1153 | + $this->access->connection->writeToCache('groupExists' . $gid, false); |
|
| 1154 | + return false; |
|
| 1155 | + } |
|
| 1156 | + |
|
| 1157 | + //if group really still exists, we will be able to read its objectClass |
|
| 1158 | + if (!is_array($this->access->readAttribute($dn, '', $this->access->connection->ldapGroupFilter))) { |
|
| 1159 | + $this->access->connection->writeToCache('groupExists' . $gid, false); |
|
| 1160 | + return false; |
|
| 1161 | + } |
|
| 1162 | + |
|
| 1163 | + $this->access->connection->writeToCache('groupExists' . $gid, true); |
|
| 1164 | + return true; |
|
| 1165 | + } |
|
| 1166 | + |
|
| 1167 | + /** |
|
| 1168 | + * @throws ServerNotAvailableException |
|
| 1169 | + * @throws Exception |
|
| 1170 | + */ |
|
| 1171 | + protected function filterValidGroups(array $listOfGroups): array { |
|
| 1172 | + $validGroupDNs = []; |
|
| 1173 | + foreach ($listOfGroups as $key => $item) { |
|
| 1174 | + $dn = is_string($item) ? $item : $item['dn'][0]; |
|
| 1175 | + $gid = $this->access->dn2groupname($dn); |
|
| 1176 | + if (!$gid) { |
|
| 1177 | + continue; |
|
| 1178 | + } |
|
| 1179 | + if ($this->groupExists($gid)) { |
|
| 1180 | + $validGroupDNs[$key] = $item; |
|
| 1181 | + } |
|
| 1182 | + } |
|
| 1183 | + return $validGroupDNs; |
|
| 1184 | + } |
|
| 1185 | + |
|
| 1186 | + /** |
|
| 1187 | + * Check if backend implements actions |
|
| 1188 | + * |
|
| 1189 | + * @param int $actions bitwise-or'ed actions |
|
| 1190 | + * @return boolean |
|
| 1191 | + * |
|
| 1192 | + * Returns the supported actions as int to be |
|
| 1193 | + * compared with GroupInterface::CREATE_GROUP etc. |
|
| 1194 | + */ |
|
| 1195 | + public function implementsActions($actions) { |
|
| 1196 | + return (bool)((GroupInterface::COUNT_USERS | |
|
| 1197 | + $this->groupPluginManager->getImplementedActions()) & $actions); |
|
| 1198 | + } |
|
| 1199 | + |
|
| 1200 | + /** |
|
| 1201 | + * Return access for LDAP interaction. |
|
| 1202 | + * |
|
| 1203 | + * @return Access instance of Access for LDAP interaction |
|
| 1204 | + */ |
|
| 1205 | + public function getLDAPAccess($gid) { |
|
| 1206 | + return $this->access; |
|
| 1207 | + } |
|
| 1208 | + |
|
| 1209 | + /** |
|
| 1210 | + * create a group |
|
| 1211 | + * |
|
| 1212 | + * @param string $gid |
|
| 1213 | + * @return bool |
|
| 1214 | + * @throws Exception |
|
| 1215 | + * @throws ServerNotAvailableException |
|
| 1216 | + */ |
|
| 1217 | + public function createGroup($gid) { |
|
| 1218 | + if ($this->groupPluginManager->implementsActions(GroupInterface::CREATE_GROUP)) { |
|
| 1219 | + if ($dn = $this->groupPluginManager->createGroup($gid)) { |
|
| 1220 | + //updates group mapping |
|
| 1221 | + $uuid = $this->access->getUUID($dn, false); |
|
| 1222 | + if (is_string($uuid)) { |
|
| 1223 | + $this->access->mapAndAnnounceIfApplicable( |
|
| 1224 | + $this->access->getGroupMapper(), |
|
| 1225 | + $dn, |
|
| 1226 | + $gid, |
|
| 1227 | + $uuid, |
|
| 1228 | + false |
|
| 1229 | + ); |
|
| 1230 | + $this->access->cacheGroupExists($gid); |
|
| 1231 | + } |
|
| 1232 | + } |
|
| 1233 | + return $dn != null; |
|
| 1234 | + } |
|
| 1235 | + throw new Exception('Could not create group in LDAP backend.'); |
|
| 1236 | + } |
|
| 1237 | + |
|
| 1238 | + /** |
|
| 1239 | + * delete a group |
|
| 1240 | + * |
|
| 1241 | + * @param string $gid gid of the group to delete |
|
| 1242 | + * @return bool |
|
| 1243 | + * @throws Exception |
|
| 1244 | + */ |
|
| 1245 | + public function deleteGroup($gid) { |
|
| 1246 | + if ($this->groupPluginManager->implementsActions(GroupInterface::DELETE_GROUP)) { |
|
| 1247 | + if ($ret = $this->groupPluginManager->deleteGroup($gid)) { |
|
| 1248 | + #delete group in nextcloud internal db |
|
| 1249 | + $this->access->getGroupMapper()->unmap($gid); |
|
| 1250 | + $this->access->connection->writeToCache("groupExists" . $gid, false); |
|
| 1251 | + } |
|
| 1252 | + return $ret; |
|
| 1253 | + } |
|
| 1254 | + throw new Exception('Could not delete group in LDAP backend.'); |
|
| 1255 | + } |
|
| 1256 | + |
|
| 1257 | + /** |
|
| 1258 | + * Add a user to a group |
|
| 1259 | + * |
|
| 1260 | + * @param string $uid Name of the user to add to group |
|
| 1261 | + * @param string $gid Name of the group in which add the user |
|
| 1262 | + * @return bool |
|
| 1263 | + * @throws Exception |
|
| 1264 | + */ |
|
| 1265 | + public function addToGroup($uid, $gid) { |
|
| 1266 | + if ($this->groupPluginManager->implementsActions(GroupInterface::ADD_TO_GROUP)) { |
|
| 1267 | + if ($ret = $this->groupPluginManager->addToGroup($uid, $gid)) { |
|
| 1268 | + $this->access->connection->clearCache(); |
|
| 1269 | + unset($this->cachedGroupMembers[$gid]); |
|
| 1270 | + } |
|
| 1271 | + return $ret; |
|
| 1272 | + } |
|
| 1273 | + throw new Exception('Could not add user to group in LDAP backend.'); |
|
| 1274 | + } |
|
| 1275 | + |
|
| 1276 | + /** |
|
| 1277 | + * Removes a user from a group |
|
| 1278 | + * |
|
| 1279 | + * @param string $uid Name of the user to remove from group |
|
| 1280 | + * @param string $gid Name of the group from which remove the user |
|
| 1281 | + * @return bool |
|
| 1282 | + * @throws Exception |
|
| 1283 | + */ |
|
| 1284 | + public function removeFromGroup($uid, $gid) { |
|
| 1285 | + if ($this->groupPluginManager->implementsActions(GroupInterface::REMOVE_FROM_GROUP)) { |
|
| 1286 | + if ($ret = $this->groupPluginManager->removeFromGroup($uid, $gid)) { |
|
| 1287 | + $this->access->connection->clearCache(); |
|
| 1288 | + unset($this->cachedGroupMembers[$gid]); |
|
| 1289 | + } |
|
| 1290 | + return $ret; |
|
| 1291 | + } |
|
| 1292 | + throw new Exception('Could not remove user from group in LDAP backend.'); |
|
| 1293 | + } |
|
| 1294 | + |
|
| 1295 | + /** |
|
| 1296 | + * Gets group details |
|
| 1297 | + * |
|
| 1298 | + * @param string $gid Name of the group |
|
| 1299 | + * @return array|false |
|
| 1300 | + * @throws Exception |
|
| 1301 | + */ |
|
| 1302 | + public function getGroupDetails($gid) { |
|
| 1303 | + if ($this->groupPluginManager->implementsActions(GroupInterface::GROUP_DETAILS)) { |
|
| 1304 | + return $this->groupPluginManager->getGroupDetails($gid); |
|
| 1305 | + } |
|
| 1306 | + throw new Exception('Could not get group details in LDAP backend.'); |
|
| 1307 | + } |
|
| 1308 | + |
|
| 1309 | + /** |
|
| 1310 | + * Return LDAP connection resource from a cloned connection. |
|
| 1311 | + * The cloned connection needs to be closed manually. |
|
| 1312 | + * of the current access. |
|
| 1313 | + * |
|
| 1314 | + * @param string $gid |
|
| 1315 | + * @return resource of the LDAP connection |
|
| 1316 | + * @throws ServerNotAvailableException |
|
| 1317 | + */ |
|
| 1318 | + public function getNewLDAPConnection($gid) { |
|
| 1319 | + $connection = clone $this->access->getConnection(); |
|
| 1320 | + return $connection->getConnectionResource(); |
|
| 1321 | + } |
|
| 1322 | + |
|
| 1323 | + /** |
|
| 1324 | + * @throws ServerNotAvailableException |
|
| 1325 | + */ |
|
| 1326 | + public function getDisplayName(string $gid): string { |
|
| 1327 | + if ($this->groupPluginManager instanceof IGetDisplayNameBackend) { |
|
| 1328 | + return $this->groupPluginManager->getDisplayName($gid); |
|
| 1329 | + } |
|
| 1330 | + |
|
| 1331 | + $cacheKey = 'group_getDisplayName' . $gid; |
|
| 1332 | + if (!is_null($displayName = $this->access->connection->getFromCache($cacheKey))) { |
|
| 1333 | + return $displayName; |
|
| 1334 | + } |
|
| 1335 | + |
|
| 1336 | + $displayName = $this->access->readAttribute( |
|
| 1337 | + $this->access->groupname2dn($gid), |
|
| 1338 | + $this->access->connection->ldapGroupDisplayName); |
|
| 1339 | + |
|
| 1340 | + if ($displayName && (count($displayName) > 0)) { |
|
| 1341 | + $displayName = $displayName[0]; |
|
| 1342 | + $this->access->connection->writeToCache($cacheKey, $displayName); |
|
| 1343 | + return $displayName; |
|
| 1344 | + } |
|
| 1345 | + |
|
| 1346 | + return ''; |
|
| 1347 | + } |
|
| 1348 | 1348 | } |
@@ -100,10 +100,10 @@ discard block |
||
| 100 | 100 | if (!$this->enabled) { |
| 101 | 101 | return false; |
| 102 | 102 | } |
| 103 | - $cacheKey = 'inGroup' . $uid . ':' . $gid; |
|
| 103 | + $cacheKey = 'inGroup'.$uid.':'.$gid; |
|
| 104 | 104 | $inGroup = $this->access->connection->getFromCache($cacheKey); |
| 105 | 105 | if (!is_null($inGroup)) { |
| 106 | - return (bool)$inGroup; |
|
| 106 | + return (bool) $inGroup; |
|
| 107 | 107 | } |
| 108 | 108 | |
| 109 | 109 | $userDN = $this->access->username2dn($uid); |
@@ -112,7 +112,7 @@ discard block |
||
| 112 | 112 | return in_array($userDN, $this->cachedGroupMembers[$gid]); |
| 113 | 113 | } |
| 114 | 114 | |
| 115 | - $cacheKeyMembers = 'inGroup-members:' . $gid; |
|
| 115 | + $cacheKeyMembers = 'inGroup-members:'.$gid; |
|
| 116 | 116 | $members = $this->access->connection->getFromCache($cacheKeyMembers); |
| 117 | 117 | if (!is_null($members)) { |
| 118 | 118 | $this->cachedGroupMembers[$gid] = $members; |
@@ -254,7 +254,7 @@ discard block |
||
| 254 | 254 | return []; |
| 255 | 255 | } |
| 256 | 256 | // used extensively in cron job, caching makes sense for nested groups |
| 257 | - $cacheKey = '_groupMembers' . $dnGroup; |
|
| 257 | + $cacheKey = '_groupMembers'.$dnGroup; |
|
| 258 | 258 | $groupMembers = $this->access->connection->getFromCache($cacheKey); |
| 259 | 259 | if ($groupMembers !== null) { |
| 260 | 260 | return $groupMembers; |
@@ -269,14 +269,14 @@ discard block |
||
| 269 | 269 | // compatibility hack with servers supporting :1.2.840.113556.1.4.1941:, and others) |
| 270 | 270 | $filter = $this->access->combineFilterWithAnd([ |
| 271 | 271 | $this->access->connection->ldapUserFilter, |
| 272 | - $this->access->connection->ldapUserDisplayName . '=*', |
|
| 273 | - 'memberof:1.2.840.113556.1.4.1941:=' . $dnGroup |
|
| 272 | + $this->access->connection->ldapUserDisplayName.'=*', |
|
| 273 | + 'memberof:1.2.840.113556.1.4.1941:='.$dnGroup |
|
| 274 | 274 | ]); |
| 275 | 275 | $memberRecords = $this->access->fetchListOfUsers( |
| 276 | 276 | $filter, |
| 277 | 277 | $this->access->userManager->getAttributes(true) |
| 278 | 278 | ); |
| 279 | - $result = array_reduce($memberRecords, function ($carry, $record) { |
|
| 279 | + $result = array_reduce($memberRecords, function($carry, $record) { |
|
| 280 | 280 | $carry[] = $record['dn'][0]; |
| 281 | 281 | return $carry; |
| 282 | 282 | }, []); |
@@ -293,7 +293,7 @@ discard block |
||
| 293 | 293 | $seen[$dnGroup] = 1; |
| 294 | 294 | $members = $this->access->readAttribute($dnGroup, $this->access->connection->ldapGroupMemberAssocAttr); |
| 295 | 295 | if (is_array($members)) { |
| 296 | - $fetcher = function ($memberDN) use (&$seen) { |
|
| 296 | + $fetcher = function($memberDN) use (&$seen) { |
|
| 297 | 297 | return $this->_groupMembers($memberDN, $seen); |
| 298 | 298 | }; |
| 299 | 299 | $allMembers = $this->walkNestedGroups($dnGroup, $fetcher, $members, $seen); |
@@ -327,7 +327,7 @@ discard block |
||
| 327 | 327 | return []; |
| 328 | 328 | } |
| 329 | 329 | |
| 330 | - $fetcher = function ($groupDN) { |
|
| 330 | + $fetcher = function($groupDN) { |
|
| 331 | 331 | if (isset($this->cachedNestedGroups[$groupDN])) { |
| 332 | 332 | $nestedGroups = $this->cachedNestedGroups[$groupDN]; |
| 333 | 333 | } else { |
@@ -345,7 +345,7 @@ discard block |
||
| 345 | 345 | } |
| 346 | 346 | |
| 347 | 347 | private function walkNestedGroups(string $dn, Closure $fetcher, array $list, array &$seen = []): array { |
| 348 | - $nesting = (int)$this->access->connection->ldapNestedGroups; |
|
| 348 | + $nesting = (int) $this->access->connection->ldapNestedGroups; |
|
| 349 | 349 | // depending on the input, we either have a list of DNs or a list of LDAP records |
| 350 | 350 | // also, the output expects either DNs or records. Testing the first element should suffice. |
| 351 | 351 | $recordMode = is_array($list) && isset($list[0]) && is_array($list[0]) && isset($list[0]['dn'][0]); |
@@ -353,7 +353,7 @@ discard block |
||
| 353 | 353 | if ($nesting !== 1) { |
| 354 | 354 | if ($recordMode) { |
| 355 | 355 | // the keys are numeric, but should hold the DN |
| 356 | - return array_reduce($list, function ($transformed, $record) use ($dn) { |
|
| 356 | + return array_reduce($list, function($transformed, $record) use ($dn) { |
|
| 357 | 357 | if ($record['dn'][0] != $dn) { |
| 358 | 358 | $transformed[$record['dn'][0]] = $record; |
| 359 | 359 | } |
@@ -388,7 +388,7 @@ discard block |
||
| 388 | 388 | * @throws ServerNotAvailableException |
| 389 | 389 | */ |
| 390 | 390 | public function gidNumber2Name(string $gid, string $dn) { |
| 391 | - $cacheKey = 'gidNumberToName' . $gid; |
|
| 391 | + $cacheKey = 'gidNumberToName'.$gid; |
|
| 392 | 392 | $groupName = $this->access->connection->getFromCache($cacheKey); |
| 393 | 393 | if (!is_null($groupName) && isset($groupName)) { |
| 394 | 394 | return $groupName; |
@@ -398,7 +398,7 @@ discard block |
||
| 398 | 398 | $filter = $this->access->combineFilterWithAnd([ |
| 399 | 399 | $this->access->connection->ldapGroupFilter, |
| 400 | 400 | 'objectClass=posixGroup', |
| 401 | - $this->access->connection->ldapGidNumber . '=' . $gid |
|
| 401 | + $this->access->connection->ldapGidNumber.'='.$gid |
|
| 402 | 402 | ]); |
| 403 | 403 | return $this->getNameOfGroup($filter, $cacheKey) ?? false; |
| 404 | 404 | } |
@@ -478,7 +478,7 @@ discard block |
||
| 478 | 478 | if ($search !== '') { |
| 479 | 479 | $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
| 480 | 480 | } |
| 481 | - $filterParts[] = $this->access->connection->ldapGidNumber . '=' . $groupID; |
|
| 481 | + $filterParts[] = $this->access->connection->ldapGidNumber.'='.$groupID; |
|
| 482 | 482 | |
| 483 | 483 | return $this->access->combineFilterWithAnd($filterParts); |
| 484 | 484 | } |
@@ -548,7 +548,7 @@ discard block |
||
| 548 | 548 | //we need to get the DN from LDAP |
| 549 | 549 | $filter = $this->access->combineFilterWithAnd([ |
| 550 | 550 | $this->access->connection->ldapGroupFilter, |
| 551 | - 'objectsid=' . $domainObjectSid . '-' . $gid |
|
| 551 | + 'objectsid='.$domainObjectSid.'-'.$gid |
|
| 552 | 552 | ]); |
| 553 | 553 | return $this->getNameOfGroup($filter, $cacheKey) ?? false; |
| 554 | 554 | } |
@@ -605,7 +605,7 @@ discard block |
||
| 605 | 605 | if ($search !== '') { |
| 606 | 606 | $filterParts[] = $this->access->getFilterPartForUserSearch($search); |
| 607 | 607 | } |
| 608 | - $filterParts[] = 'primaryGroupID=' . $groupID; |
|
| 608 | + $filterParts[] = 'primaryGroupID='.$groupID; |
|
| 609 | 609 | |
| 610 | 610 | return $this->access->combineFilterWithAnd($filterParts); |
| 611 | 611 | } |
@@ -647,7 +647,7 @@ discard block |
||
| 647 | 647 | try { |
| 648 | 648 | $filter = $this->prepareFilterForUsersInPrimaryGroup($groupDN, $search); |
| 649 | 649 | $users = $this->access->countUsers($filter, ['dn'], $limit, $offset); |
| 650 | - return (int)$users; |
|
| 650 | + return (int) $users; |
|
| 651 | 651 | } catch (ServerNotAvailableException $e) { |
| 652 | 652 | throw $e; |
| 653 | 653 | } catch (Exception $e) { |
@@ -686,7 +686,7 @@ discard block |
||
| 686 | 686 | if (!$this->enabled) { |
| 687 | 687 | return []; |
| 688 | 688 | } |
| 689 | - $cacheKey = 'getUserGroups' . $uid; |
|
| 689 | + $cacheKey = 'getUserGroups'.$uid; |
|
| 690 | 690 | $userGroups = $this->access->connection->getFromCache($cacheKey); |
| 691 | 691 | if (!is_null($userGroups)) { |
| 692 | 692 | return $userGroups; |
@@ -744,8 +744,8 @@ discard block |
||
| 744 | 744 | // if possible, read out membership via memberOf. It's far faster than |
| 745 | 745 | // performing a search, which still is a fallback later. |
| 746 | 746 | // memberof doesn't support memberuid, so skip it here. |
| 747 | - if ((int)$this->access->connection->hasMemberOfFilterSupport === 1 |
|
| 748 | - && (int)$this->access->connection->useMemberOfToDetectMembership === 1 |
|
| 747 | + if ((int) $this->access->connection->hasMemberOfFilterSupport === 1 |
|
| 748 | + && (int) $this->access->connection->useMemberOfToDetectMembership === 1 |
|
| 749 | 749 | && $this->ldapGroupMemberAssocAttr !== 'memberuid' |
| 750 | 750 | && $this->ldapGroupMemberAssocAttr !== 'zimbramailforwardingaddress') { |
| 751 | 751 | $groupDNs = $this->_getGroupDNsFromMemberOf($userDN); |
@@ -837,14 +837,14 @@ discard block |
||
| 837 | 837 | } |
| 838 | 838 | $allGroups = []; |
| 839 | 839 | $seen[$dn] = true; |
| 840 | - $filter = $this->access->connection->ldapGroupMemberAssocAttr . '=' . $dn; |
|
| 840 | + $filter = $this->access->connection->ldapGroupMemberAssocAttr.'='.$dn; |
|
| 841 | 841 | |
| 842 | 842 | if ($this->ldapGroupMemberAssocAttr === 'zimbramailforwardingaddress') { |
| 843 | 843 | //in this case the member entries are email addresses |
| 844 | 844 | $filter .= '@*'; |
| 845 | 845 | } |
| 846 | 846 | |
| 847 | - $nesting = (int)$this->access->connection->ldapNestedGroups; |
|
| 847 | + $nesting = (int) $this->access->connection->ldapNestedGroups; |
|
| 848 | 848 | if ($nesting === 0) { |
| 849 | 849 | $filter = $this->access->combineFilterWithAnd([$filter, $this->access->connection->ldapGroupFilter]); |
| 850 | 850 | } |
@@ -852,7 +852,7 @@ discard block |
||
| 852 | 852 | $groups = $this->access->fetchListOfGroups($filter, |
| 853 | 853 | [strtolower($this->access->connection->ldapGroupMemberAssocAttr), $this->access->connection->ldapGroupDisplayName, 'dn']); |
| 854 | 854 | if (is_array($groups)) { |
| 855 | - $fetcher = function ($dn) use (&$seen) { |
|
| 855 | + $fetcher = function($dn) use (&$seen) { |
|
| 856 | 856 | if (is_array($dn) && isset($dn['dn'][0])) { |
| 857 | 857 | $dn = $dn['dn'][0]; |
| 858 | 858 | } |
@@ -888,7 +888,7 @@ discard block |
||
| 888 | 888 | return []; |
| 889 | 889 | } |
| 890 | 890 | $search = $this->access->escapeFilterPart($search, true); |
| 891 | - $cacheKey = 'usersInGroup-' . $gid . '-' . $search . '-' . $limit . '-' . $offset; |
|
| 891 | + $cacheKey = 'usersInGroup-'.$gid.'-'.$search.'-'.$limit.'-'.$offset; |
|
| 892 | 892 | // check for cache of the exact query |
| 893 | 893 | $groupUsers = $this->access->connection->getFromCache($cacheKey); |
| 894 | 894 | if (!is_null($groupUsers)) { |
@@ -899,7 +899,7 @@ discard block |
||
| 899 | 899 | $limit = null; |
| 900 | 900 | } |
| 901 | 901 | // check for cache of the query without limit and offset |
| 902 | - $groupUsers = $this->access->connection->getFromCache('usersInGroup-' . $gid . '-' . $search); |
|
| 902 | + $groupUsers = $this->access->connection->getFromCache('usersInGroup-'.$gid.'-'.$search); |
|
| 903 | 903 | if (!is_null($groupUsers)) { |
| 904 | 904 | $groupUsers = array_slice($groupUsers, $offset, $limit); |
| 905 | 905 | $this->access->connection->writeToCache($cacheKey, $groupUsers); |
@@ -954,7 +954,7 @@ discard block |
||
| 954 | 954 | break; |
| 955 | 955 | } |
| 956 | 956 | |
| 957 | - $cacheKey = 'userExistsOnLDAP' . $uid; |
|
| 957 | + $cacheKey = 'userExistsOnLDAP'.$uid; |
|
| 958 | 958 | $userExists = $this->access->connection->getFromCache($cacheKey); |
| 959 | 959 | if ($userExists === false) { |
| 960 | 960 | break; |
@@ -980,7 +980,7 @@ discard block |
||
| 980 | 980 | |
| 981 | 981 | $groupUsers = array_unique(array_merge($groupUsers, $primaryUsers, $posixGroupUsers)); |
| 982 | 982 | natsort($groupUsers); |
| 983 | - $this->access->connection->writeToCache('usersInGroup-' . $gid . '-' . $search, $groupUsers); |
|
| 983 | + $this->access->connection->writeToCache('usersInGroup-'.$gid.'-'.$search, $groupUsers); |
|
| 984 | 984 | $groupUsers = array_slice($groupUsers, $offset, $limit); |
| 985 | 985 | |
| 986 | 986 | $this->access->connection->writeToCache($cacheKey, $groupUsers); |
@@ -1002,7 +1002,7 @@ discard block |
||
| 1002 | 1002 | return $this->groupPluginManager->countUsersInGroup($gid, $search); |
| 1003 | 1003 | } |
| 1004 | 1004 | |
| 1005 | - $cacheKey = 'countUsersInGroup-' . $gid . '-' . $search; |
|
| 1005 | + $cacheKey = 'countUsersInGroup-'.$gid.'-'.$search; |
|
| 1006 | 1006 | if (!$this->enabled || !$this->groupExists($gid)) { |
| 1007 | 1007 | return false; |
| 1008 | 1008 | } |
@@ -1101,7 +1101,7 @@ discard block |
||
| 1101 | 1101 | return []; |
| 1102 | 1102 | } |
| 1103 | 1103 | $search = $this->access->escapeFilterPart($search, true); |
| 1104 | - $cacheKey = 'getGroups-' . $search . '-' . $limit . '-' . $offset; |
|
| 1104 | + $cacheKey = 'getGroups-'.$search.'-'.$limit.'-'.$offset; |
|
| 1105 | 1105 | |
| 1106 | 1106 | //Check cache before driving unnecessary searches |
| 1107 | 1107 | $ldap_groups = $this->access->connection->getFromCache($cacheKey); |
@@ -1136,31 +1136,31 @@ discard block |
||
| 1136 | 1136 | * @throws ServerNotAvailableException |
| 1137 | 1137 | */ |
| 1138 | 1138 | public function groupExists($gid) { |
| 1139 | - $groupExists = $this->access->connection->getFromCache('groupExists' . $gid); |
|
| 1139 | + $groupExists = $this->access->connection->getFromCache('groupExists'.$gid); |
|
| 1140 | 1140 | if (!is_null($groupExists)) { |
| 1141 | - return (bool)$groupExists; |
|
| 1141 | + return (bool) $groupExists; |
|
| 1142 | 1142 | } |
| 1143 | 1143 | |
| 1144 | 1144 | //getting dn, if false the group does not exist. If dn, it may be mapped |
| 1145 | 1145 | //only, requires more checking. |
| 1146 | 1146 | $dn = $this->access->groupname2dn($gid); |
| 1147 | 1147 | if (!$dn) { |
| 1148 | - $this->access->connection->writeToCache('groupExists' . $gid, false); |
|
| 1148 | + $this->access->connection->writeToCache('groupExists'.$gid, false); |
|
| 1149 | 1149 | return false; |
| 1150 | 1150 | } |
| 1151 | 1151 | |
| 1152 | 1152 | if (!$this->access->isDNPartOfBase($dn, $this->access->connection->ldapBaseGroups)) { |
| 1153 | - $this->access->connection->writeToCache('groupExists' . $gid, false); |
|
| 1153 | + $this->access->connection->writeToCache('groupExists'.$gid, false); |
|
| 1154 | 1154 | return false; |
| 1155 | 1155 | } |
| 1156 | 1156 | |
| 1157 | 1157 | //if group really still exists, we will be able to read its objectClass |
| 1158 | 1158 | if (!is_array($this->access->readAttribute($dn, '', $this->access->connection->ldapGroupFilter))) { |
| 1159 | - $this->access->connection->writeToCache('groupExists' . $gid, false); |
|
| 1159 | + $this->access->connection->writeToCache('groupExists'.$gid, false); |
|
| 1160 | 1160 | return false; |
| 1161 | 1161 | } |
| 1162 | 1162 | |
| 1163 | - $this->access->connection->writeToCache('groupExists' . $gid, true); |
|
| 1163 | + $this->access->connection->writeToCache('groupExists'.$gid, true); |
|
| 1164 | 1164 | return true; |
| 1165 | 1165 | } |
| 1166 | 1166 | |
@@ -1193,7 +1193,7 @@ discard block |
||
| 1193 | 1193 | * compared with GroupInterface::CREATE_GROUP etc. |
| 1194 | 1194 | */ |
| 1195 | 1195 | public function implementsActions($actions) { |
| 1196 | - return (bool)((GroupInterface::COUNT_USERS | |
|
| 1196 | + return (bool) ((GroupInterface::COUNT_USERS | |
|
| 1197 | 1197 | $this->groupPluginManager->getImplementedActions()) & $actions); |
| 1198 | 1198 | } |
| 1199 | 1199 | |
@@ -1247,7 +1247,7 @@ discard block |
||
| 1247 | 1247 | if ($ret = $this->groupPluginManager->deleteGroup($gid)) { |
| 1248 | 1248 | #delete group in nextcloud internal db |
| 1249 | 1249 | $this->access->getGroupMapper()->unmap($gid); |
| 1250 | - $this->access->connection->writeToCache("groupExists" . $gid, false); |
|
| 1250 | + $this->access->connection->writeToCache("groupExists".$gid, false); |
|
| 1251 | 1251 | } |
| 1252 | 1252 | return $ret; |
| 1253 | 1253 | } |
@@ -1328,7 +1328,7 @@ discard block |
||
| 1328 | 1328 | return $this->groupPluginManager->getDisplayName($gid); |
| 1329 | 1329 | } |
| 1330 | 1330 | |
| 1331 | - $cacheKey = 'group_getDisplayName' . $gid; |
|
| 1331 | + $cacheKey = 'group_getDisplayName'.$gid; |
|
| 1332 | 1332 | if (!is_null($displayName = $this->access->connection->getFromCache($cacheKey))) { |
| 1333 | 1333 | return $displayName; |
| 1334 | 1334 | } |
