Get rid of debug_level (#6298)

CHANGELOG

@@ -66,6 +66,7 @@ CHANGELOG Roundcube Webmail
 - Plugin API: Added 'show_bytes' hook (#5001)
 - Add option to not indent quoted text on top-posting reply (#5105)
 - Removed global $CONFIG variable
+- Removed debug_level setting
 - Support AUTHENTICATE LOGIN for IMAP connections (#5563)
 - Support LDAP GSSAPI authentication (#5703)
 - Localized timezone selector (#4983)

INSTALL

@@ -76,7 +76,9 @@ and configure your installation to be not surprised by default behaviour.
 
 Roundcube writes internal errors to the 'errors' log file located in the logs
 directory which can be configured in config/config.inc.php. If you want ordinary
-PHP errors to be logged there as well, set error_log php.ini or .htaccess file.
+PHP errors to be logged there as well, set error_log in php.ini or .htaccess file.
+
+Roundcube forces display_errors=Off and log_errors=On.
 
 By default the session cookie settings of PHP are not modified by Roundcube.
 However if you want to limit the session cookies to the directory where

config/defaults.inc.php

@@ -63,9 +63,6 @@ $config['db_max_allowed_packet'] = null;
 // LOGGING/DEBUGGING
 // ----------------------------------
 
-// system error reporting, sum of: 1 = log; 4 = show
-$config['debug_level'] = 1;
-
 // log driver:  'syslog', 'stdout' or 'file'.
 $config['log_driver'] = 'file';
 

installer/config.php

@@ -11,7 +11,6 @@ $RCI->bool_config_props = array(
   'auto_create_user' => 1,
   'smtp_log' => 1,
   'prefer_html' => 1,
-  'debug_level' => 1,
 );
 
 // allow the current user to get to the next step
@@ -196,21 +195,6 @@ echo $input_ilevel->show($RCI->getprop('identities_level'), 0);
 <legend>Logging & Debugging</legend>
 <dl class="loggingblock">
 
-<dt class="propname">debug_level</dt>
-<dd>
-<?php
-
-$value = $RCI->getprop('debug_level');
-$check_debug = new html_checkbox(array('name' => '_debug_level[]'));
-echo $check_debug->show(($value & 1) ? 1 : 0 , array('value' => 1, 'id' => 'cfgdebug1'));
-echo '<label for="cfgdebug1">Log errors</label><br />';
-
-echo $check_debug->show(($value & 4) ? 4 : 0, array('value' => 4, 'id' => 'cfgdebug4'));
-echo '<label for="cfgdebug4">Print errors (to the browser)</label><br />';
-
-?>
-</dd>
-
 <dt class="propname">log_driver</dt>
 <dd>
 <?php

program/include/rcmail_install.php

@@ -206,16 +206,7 @@ class rcmail_install
             }
 
             // convert some form data
-            if ($prop == 'debug_level' && !$is_default) {
+            if ($prop == 'db_dsnw' && !empty($_POST['_dbtype'])) {
-                if (is_array($value)) {
-                    $val = 0;
-                    foreach ($value as $dbgval) {
-                        $val += intval($dbgval);
-                    }
-                    $value = $val;
-                }
-            }
-            else if ($prop == 'db_dsnw' && !empty($_POST['_dbtype'])) {
                 if ($_POST['_dbtype'] == 'sqlite') {
                     $value = sprintf('%s://%s?mode=0646', $_POST['_dbtype'],
                         $_POST['_dbname']{0} == '/' ? '/' . $_POST['_dbname'] : $_POST['_dbname']);

program/lib/Roundcube/rcube.php

@@ -1352,7 +1352,7 @@ class rcube
     }
 
     /**
-     * Report error according to configured debug_level
+     * Log an error
      *
      * @param array $arg_arr Named parameters
      * @see self::raise_error()
@@ -1360,15 +1360,8 @@ class rcube
     public static function log_bug($arg_arr)
     {
         $program = strtoupper($arg_arr['type'] ?: 'php');
-        $level   = self::get_instance()->config->get('debug_level');
-
-        // disable errors for ajax requests, write to log instead (#1487831)
-        if (($level & 4) && !empty($_REQUEST['_remote'])) {
-            $level = ($level ^ 4) | 1;
-        }
 
         // write error to local log file
-        if (($level & 1) || !empty($arg_arr['fatal'])) {
         if ($_SERVER['REQUEST_METHOD'] == 'POST') {
             foreach (array('_task', '_action') as $arg) {
                 if ($_POST[$arg] && !$_GET[$arg]) {
@@ -1395,26 +1388,6 @@ class rcube
         }
     }
 
-        // report the bug to the global bug reporting system
-        if ($level & 2) {
-            // TODO: Send error via HTTP
-        }
-
-        // show error if debug_mode is on
-        if ($level & 4) {
-            print "<b>$program Error";
-
-            if (!empty($arg_arr['file']) && !empty($arg_arr['line'])) {
-                print " in $arg_arr[file] ($arg_arr[line])";
-            }
-
-            print ':</b>&nbsp;';
-            print nl2br($arg_arr['message']);
-            print '<br />';
-            flush();
-        }
-    }
-
     /**
      * Write debug info to the log
      *

program/lib/Roundcube/rcube_config.php

@@ -245,20 +245,14 @@ class rcube_config
         }
 
         // set PHP error logging according to config
-        if ($this->prop['debug_level'] & 1) {
         $error_log = $this->prop['log_driver'];
         if ($error_log != 'syslog') {
             $error_log  = $this->prop['log_dir'] . '/errors';
             $error_log .= isset($this->prop['log_file_ext']) ? $this->prop['log_file_ext'] : '.log';
-            }
 
             ini_set('error_log', $error_log);
-            ini_set('log_errors', 1);
         }
 
-        // enable display_errors in 'show' level, but not for ajax requests
-        ini_set('display_errors', intval(empty($_REQUEST['_remote']) && ($this->prop['debug_level'] & 4)));
-
         // remove deprecated properties
         unset($this->prop['dst_active']);
     }

program/steps/utils/error.inc

@@ -96,14 +96,7 @@ else if ($ERROR_CODE == 603) {
 // system error
 else {
     $__error_title = "SERVICE CURRENTLY NOT AVAILABLE!";
-    $__error_text  = "Please contact your server-administrator.";
-
-    if (($rcmail->config->get('debug_level') & 4) && $ERROR_MESSAGE) {
-        $__error_text = $ERROR_MESSAGE;
-    }
-    else {
     $__error_text  = sprintf('Error No. [%s]', $ERROR_CODE);
-    }
 }
 
 // inform plugins