Merge branch 'feature/allow-to-disable-stacktraces-9113'

resolves #9113

application/forms/Config/General/ApplicationConfigForm.php

@@ -25,6 +25,20 @@ class ApplicationConfigForm extends Form
      */
     public function createElements(array $formData)
     {
+        $this->addElement(
+            'checkbox',
+            'global_show_stacktraces',
+            array(
+                'required'      => true,
+                'value'         => true,
+                'label'         => $this->translate('Show Stacktraces'),
+                'description'   => $this->translate(
+                    'Set whether to show an exception\'s stacktrace by default. This can also'
+                    . ' be set in a user\'s preferences with the appropriate permission.'
+                )
+            )
+        );
+
         $this->addElement(
             'text',
             'global_module_path',

application/forms/PreferenceForm.php

@@ -5,6 +5,7 @@ namespace Icinga\Forms;
 
 use Exception;
 use DateTimeZone;
+use Icinga\Application\Config;
 use Icinga\Application\Logger;
 use Icinga\Authentication\Auth;
 use Icinga\User\Preferences;
@@ -178,6 +179,19 @@ class PreferenceForm extends Form
             )
         );
 
+        if (Auth::getInstance()->hasPermission('application/stacktraces')) {
+            $this->addElement(
+                'checkbox',
+                'show_stacktraces',
+                array(
+                    'required'      => true,
+                    'value'         => $this->getDefaultShowStacktraces(),
+                    'label'         => $this->translate('Show Stacktraces'),
+                    'description'   => $this->translate('Set whether to show an exception\'s stacktrace.')
+                )
+            );
+        }
+
         $this->addElement(
             'checkbox',
             'show_benchmark',
@@ -269,4 +283,14 @@ class PreferenceForm extends Form
         $locale = Translator::getPreferredLocaleCode($_SERVER['HTTP_ACCEPT_LANGUAGE']);
         return $locale;
     }
+
+    /**
+     * Return the default global setting for show_stacktraces
+     *
+     * @return  bool
+     */
+    protected function getDefaultShowStacktraces()
+    {
+        return Config::app()->get('global', 'show_stacktraces', true);
+    }
 }

application/forms/Security/RoleForm.php

@@ -20,9 +20,26 @@ class RoleForm extends ConfigForm
      *
      * @var array
      */
-    protected $providedPermissions = array(
+    protected $providedPermissions;
-        '*'                                             => 'Allow everything (*)',
+
-        'config/*'                                      => 'Allow config access (config/*)',
+    /**
+     * Provided restrictions by currently loaded modules
+     *
+     * @var array
+     */
+    protected $providedRestrictions = array();
+
+    /**
+     * {@inheritdoc}
+     */
+    public function init()
+    {
+        $this->providedPermissions = array(
+            '*'                                             => $this->translate('Allow everything') . ' (*)',
+            'application/stacktraces'                       => $this->translate(
+                'Allow to adjust in the preferences whether to show stacktraces'
+            ) . ' (application/stacktraces)',
+            'config/*'                                      => $this->translate('Allow config access') . ' (config/*)',
 /*
             // [tg] seems excessive for me, hidden for rc1, tbd
             'config/application/*'                          => 'config/application/*',
@@ -50,18 +67,7 @@ class RoleForm extends ConfigForm
 */
         );
         
-    /**
-     * Provided restrictions by currently loaded modules
-     *
-     * @var array
-     */
-    protected $providedRestrictions = array();
         
-    /**
-     * {@inheritdoc}
-     */
-    public function init()
-    {
         $helper = new Zend_Form_Element('bogus');
         $mm = Icinga::app()->getModuleManager();
         foreach ($mm->listInstalledModules() as $moduleName) {

library/Icinga/Application/Web.php

@@ -212,9 +212,19 @@ class Web extends EmbeddedWeb
         $this->frontController = Zend_Controller_Front::getInstance();
         $this->frontController->setRequest($this->getRequest());
         $this->frontController->setControllerDirectory($this->getApplicationDir('/controllers'));
+
+        $displayExceptions = $this->config->get('global', 'show_stacktraces', true);
+        if ($this->user !== null && $this->user->can('application/stacktraces')) {
+            $displayExceptions = $this->user->getPreferences()->getValue(
+                'icingaweb',
+                'show_stacktraces',
+                $displayExceptions
+            );
+        }
+
         $this->frontController->setParams(
             array(
-                'displayExceptions' => true
+                'displayExceptions' => $displayExceptions
             )
         );
         return $this;

modules/setup/library/Setup/Steps/GeneralConfigStep.php

@@ -53,6 +53,10 @@ class GeneralConfigStep extends Step
 
         $generalHtml = ''
             . '<ul>'
+            . '<li>' . ($this->data['generalConfig']['global_show_stacktraces']
+                ? t('An exception\'s stacktrace is shown to every user by default.')
+                : t('An exception\'s stacktrace is hidden from every user by default.')
+            ) . '</li>'
             . '<li>' . sprintf(
                 $this->data['generalConfig']['global_config_backend'] === 'ini' ? sprintf(
                     t('Preferences will be stored per user account in INI files at: %s'),