iterate over bases instead of doing parallel search

parallel search is not compatible with paged search, but the letter is
usually always applied.

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

Author: blizzz

apps/user_ldap/lib/Access.php

@@ -975,7 +975,11 @@ private function fetchList($list, $manyAttributes) {
 	 * Executes an LDAP search
 	 */
 	public function searchUsers($filter, $attr = null, $limit = null, $offset = null) {
-		return $this->search($filter, $this->connection->ldapBaseUsers, $attr, $limit, $offset);
+		$result = [];
+		foreach($this->connection->ldapBaseUsers as $base) {
+			$result = array_merge($result, $this->search($filter, [$base], $attr, $limit, $offset));
+		}
+		return $result;
 	}
 
 	/**
@@ -986,7 +990,12 @@ public function searchUsers($filter, $attr = null, $limit = null, $offset = null
 	 * @return false|int
 	 */
 	public function countUsers($filter, $attr = array('dn'), $limit = null, $offset = null) {
-		return $this->count($filter, $this->connection->ldapBaseUsers, $attr, $limit, $offset);
+		$result = false;
+		foreach($this->connection->ldapBaseUsers as $base) {
+			$count = $this->count($filter, [$base], $attr, $limit, $offset);
+			$result = is_int($count) ? (int)$result + $count : $result;
+		}
+		return $result;
 	}
 
 	/**
@@ -1000,7 +1009,11 @@ public function countUsers($filter, $attr = array('dn'), $limit = null, $offset
 	 * Executes an LDAP search
 	 */
 	public function searchGroups($filter, $attr = null, $limit = null, $offset = null) {
-		return $this->search($filter, $this->connection->ldapBaseGroups, $attr, $limit, $offset);
+		$result = [];
+		foreach($this->connection->ldapBaseGroups as $base) {
+			$result = array_merge($result, $this->search($filter, [$base], $attr, $limit, $offset));
+		}
+		return $result;
 	}
 
 	/**
@@ -1012,7 +1025,12 @@ public function searchGroups($filter, $attr = null, $limit = null, $offset = nul
 	 * @return int|bool
 	 */
 	public function countGroups($filter, $attr = array('dn'), $limit = null, $offset = null) {
-		return $this->count($filter, $this->connection->ldapBaseGroups, $attr, $limit, $offset);
+		$result = false;
+		foreach($this->connection->ldapBaseGroups as $base) {
+			$count = $this->count($filter, [$base], $attr, $limit, $offset);
+			$result = is_int($count) ? (int)$result + $count : $result;
+		}
+		return $result;
 	}
 
 	/**
@@ -1023,7 +1041,12 @@ public function countGroups($filter, $attr = array('dn'), $limit = null, $offset
 	 * @return int|bool
 	 */
 	public function countObjects($limit = null, $offset = null) {
-		return $this->count('objectclass=*', $this->connection->ldapBase, array('dn'), $limit, $offset);
+		$result = false;
+		foreach($this->connection->ldapBase as $base) {
+			$count = $this->count('objectclass=*', [$base], ['dn'], $limit, $offset);
+			$result = is_int($count) ? (int)$result + $count : $result;
+		}
+		return $result;
 	}
 
 	/**