Added more logging for LDAP client

ChangeLog

@@ -10,6 +10,7 @@ New features:
 
 Improvements:
 
+* Added more logging for LDAP client
 * Improve schema migration process
 * Improve notification configuration form
 * Handle state in OAuth2 client

app/Auth/LdapAuth.php

@@ -63,10 +63,12 @@ class LdapAuth extends Base implements PasswordAuthenticationProviderInterface
         try {
 
             $client = LdapClient::connect($this->getLdapUsername(), $this->getLdapPassword());
+            $client->setLogger($this->logger);
+
             $user = LdapUser::getUser($client, $this->username);
 
             if ($user === null) {
-                $this->logger->info('User not found in LDAP server');
+                $this->logger->info('User ('.$this->username.') not found in LDAP server');
                 return false;
             }
 
@@ -74,6 +76,8 @@ class LdapAuth extends Base implements PasswordAuthenticationProviderInterface
                 throw new LogicException('Username not found in LDAP profile, check the parameter LDAP_USER_ATTRIBUTE_USERNAME');
             }
 
+            $this->logger->info('Authenticate user: '.$user->getDn());
+
             if ($client->authenticate($user->getDn(), $this->password)) {
                 $this->userInfo = $user;
                 return true;

app/Core/Ldap/Client.php

@@ -3,6 +3,7 @@
 namespace Kanboard\Core\Ldap;
 
 use LogicException;
+use Psr\Log\LoggerInterface;
 
 /**
  * LDAP Client
@@ -20,6 +21,14 @@ class Client
      */
     protected $ldap;
 
+    /**
+     * Logger instance
+     *
+     * @access private
+     * @var LoggerInterface
+     */
+    private $logger;
+
     /**
      * Establish LDAP connection
      *
@@ -165,4 +174,28 @@ class Client
     {
         return LDAP_PASSWORD;
     }
+
+    /**
+     * Set logger
+     *
+     * @access public
+     * @param  LoggerInterface $logger
+     * @return Client
+     */
+    public function setLogger(LoggerInterface $logger)
+    {
+        $this->logger = $logger;
+        return $this;
+    }
+
+    /**
+     * Get logger
+     *
+     * @access public
+     * @return LoggerInterface
+     */
+    public function getLogger()
+    {
+        return $this->logger;
+    }
 }

app/Core/Ldap/Query.php

@@ -48,6 +48,12 @@ class Query
      */
     public function execute($baseDn, $filter, array $attributes)
     {
+        if (DEBUG) {
+            $this->client->getLogger()->debug('BaseDN='.$baseDn);
+            $this->client->getLogger()->debug('Filter='.$filter);
+            $this->client->getLogger()->debug('Attributes='.implode(', ', $attributes));
+        }
+
         $sr = ldap_search($this->client->getConnection(), $baseDn, $filter, $attributes);
         if ($sr === false) {
             return $this;

app/Core/Ldap/User.php

@@ -44,8 +44,7 @@ class User
      */
     public static function getUser(Client $client, $username)
     {
-        $className = get_called_class();
-        $self = new $className(new Query($client));
+        $self = new static(new Query($client));
         return $self->find($self->getLdapUserPattern($username));
     }