From c0abb76adff03a0461d80a2880521ab622075dcd Mon Sep 17 00:00:00 2001
From: Mischa Siekmann <github@gnumpi.com>
Date: Tue, 20 Aug 2019 20:28:21 +0200
Subject: [PATCH 1/2] added logging of errrors for imap login

Signed-off-by: Mischa Siekmann <github@gnumpi.com>
---
 lib/imap.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/imap.php b/lib/imap.php
index 9d05b73..9f4d3e5 100644
--- a/lib/imap.php
+++ b/lib/imap.php
@@ -72,6 +72,10 @@ public function checkPassword($uid, $password) {
 					$uid = $pieces[0];
 				}
 			} else {
+				OC::$server->getLogger()->error(
+				'ERROR: Wrong domain: '.$this->domain,
+				['app' => 'user_external']
+			);
 				return false;
 			}
 		} else {
@@ -101,7 +105,13 @@ public function checkPassword($uid, $password) {
 			$uid = mb_strtolower($uid);
 			$this->storeUser($uid, $groups);
 			return $uid;
+		} else {
+			OC::$server->getLogger()->error(
+				'ERROR: Could not connect via roundcube lib: '.$rcube->error,
+				['app' => 'user_external']
+			);
 		}
+
 		return false;
 	}
 }

From 1883b0c0830d680edc22c32c45f3dc86db45ea30 Mon Sep 17 00:00:00 2001
From: Mischa Siekmann <mischa.siekmann@hhi.fraunhofer.de>
Date: Fri, 23 Aug 2019 13:15:12 +0200
Subject: [PATCH 2/2] Corrected indentation and changed to a more specific
 error message.

Signed-off-by: Mischa Siekmann <github@gnumpi.com>
---
 lib/imap.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/imap.php b/lib/imap.php
index 9f4d3e5..ac9e8ce 100644
--- a/lib/imap.php
+++ b/lib/imap.php
@@ -73,9 +73,9 @@ public function checkPassword($uid, $password) {
 				}
 			} else {
 				OC::$server->getLogger()->error(
-				'ERROR: Wrong domain: '.$this->domain,
-				['app' => 'user_external']
-			);
+					'ERROR: User has a wrong domain! Expecting: '.$this->domain,
+					['app' => 'user_external']
+				);
 				return false;
 			}
 		} else {