Updated laravel to 5.2 and started ldap implementation

app/Services/LdapService.php

@@ -0,0 +1,60 @@
+<?php namespace BookStack\Services;
+
+
+use BookStack\Exceptions\LdapException;
+
+class LdapService
+{
+
+    public function getUserDetails($userName)
+    {
+
+        if(!function_exists('ldap_connect')) {
+            throw new LdapException('LDAP PHP extension not installed');
+        }
+
+
+        $ldapServer = explode(':', config('services.ldap.server'));
+        $ldapConnection = ldap_connect($ldapServer[0], count($ldapServer) > 1 ? $ldapServer[1] : 389);
+
+        if ($ldapConnection === false) {
+            throw new LdapException('Cannot connect to ldap server, Initial connection failed');
+        }
+
+        // Options
+
+        ldap_set_option($ldapConnection, LDAP_OPT_PROTOCOL_VERSION, 3); // TODO - make configurable
+
+        $ldapDn = config('services.ldap.dn');
+        $ldapPass = config('services.ldap.pass');
+        $isAnonymous = ($ldapDn === false || $ldapPass === false);
+        if ($isAnonymous) {
+            $ldapBind = ldap_bind($ldapConnection);
+        } else {
+            $ldapBind = ldap_bind($ldapConnection, $ldapDn, $ldapPass);
+        }
+
+        if (!$ldapBind) throw new LdapException('LDAP access failed using ' . $isAnonymous ? ' anonymous bind.' : ' given dn & pass details');
+
+        // Find user
+        $userFilter = $this->buildFilter(config('services.ldap.user_filter'), ['user' => $userName]);
+        //dd($userFilter);
+        $baseDn = config('services.ldap.base_dn');
+        $ldapSearch = ldap_search($ldapConnection, $baseDn, $userFilter);
+        $users = ldap_get_entries($ldapConnection, $ldapSearch);
+
+        dd($users);
+    }
+
+
+    private function buildFilter($filterString, $attrs)
+    {
+        $newAttrs = [];
+        foreach ($attrs as $key => $attrText) {
+            $newKey = '${'.$key.'}';
+            $newAttrs[$newKey] = $attrText;
+        }
+        return strtr($filterString, $newAttrs);
+    }
+
+}