From 930a3ceac0aeb42474fb0a6129517aaa15b794b4 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 18 May 2016 13:53:51 -0400
Subject: [PATCH] Fix bug where errors could have been not logged when per_user_logging=true

---
 program/lib/Roundcube/rcube.php |   37 +++++++++++++++++--------------------
 CHANGELOG                       |    1 +
 2 files changed, 18 insertions(+), 20 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 7dd6a6a..b6f161e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -8,6 +8,7 @@
 - Managesieve: Support 'duplicate' extension [RFC 7352]
 - Managesieve: Unhide advanced rule controls if there are inputs with errors
 - Managesieve: Display warning message when filter form contains errors
+- Fix bug where errors could have been not logged when per_user_logging=true
 
 RELEASE 1.2.0
 -------------
diff --git a/program/lib/Roundcube/rcube.php b/program/lib/Roundcube/rcube.php
index 6193715..a49a71f 100644
--- a/program/lib/Roundcube/rcube.php
+++ b/program/lib/Roundcube/rcube.php
@@ -1142,12 +1142,16 @@
 
         // trigger logging hook
         if (is_object(self::$instance) && is_object(self::$instance->plugins)) {
-            $log  = self::$instance->plugins->exec_hook('write_log', array('name' => $name, 'date' => $date, 'line' => $line));
+            $log = self::$instance->plugins->exec_hook('write_log',
+                array('name' => $name, 'date' => $date, 'line' => $line));
+
             $name = $log['name'];
             $line = $log['line'];
             $date = $log['date'];
-            if ($log['abort'])
+
+            if ($log['abort']) {
                 return true;
+            }
         }
 
         // add session ID to the log
@@ -1169,32 +1173,25 @@
         // per-user logging is activated
         if (self::$instance && self::$instance->config->get('per_user_logging', false) && self::$instance->get_user_id()) {
             $log_dir = self::$instance->get_user_log_dir();
-            if (empty($log_dir))
+            if (empty($log_dir) && $name != 'errors') {
                 return false;
+            }
         }
-        else if (!empty($log['dir'])) {
-            $log_dir = $log['dir'];
-        }
-        else if (self::$instance) {
-            $log_dir = self::$instance->config->get('log_dir');
+
+        if (empty($log_dir)) {
+            if (!empty($log['dir'])) {
+                $log_dir = $log['dir'];
+            }
+            else if (self::$instance) {
+                $log_dir = self::$instance->config->get('log_dir');
+            }
         }
 
         if (empty($log_dir)) {
             $log_dir = RCUBE_INSTALL_PATH . 'logs';
         }
 
-        // try to open specific log file for writing
-        $logfile = $log_dir.'/'.$name;
-
-        if ($fp = @fopen($logfile, 'a')) {
-            fwrite($fp, $line);
-            fflush($fp);
-            fclose($fp);
-            return true;
-        }
-
-        trigger_error("Error writing to log file $logfile; Please check permissions", E_USER_WARNING);
-        return false;
+        return file_put_contents("$log_dir/$name", $line, FILE_APPEND) !== false;
     }
 
     /**

--
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