fixing support for pre renaming configuration file format, resolves #37

lib/configuration.php

@@ -90,7 +90,7 @@ class configuration
         if (is_readable($configFile))
         {
             $config = parse_ini_file($configFile, true);
-            foreach (array('main', 'model') as $section) {
+            foreach (array('main', 'model', 'model_options') as $section) {
                 if (!array_key_exists($section, $config)) {
                     throw new Exception(i18n::_('PrivateBin requires configuration section [%s] to be present in configuration file.', $section), 2);
                 }
@@ -110,7 +110,12 @@ class configuration
                 continue;
             }
             // provide different defaults for database model
-            elseif ($section == 'model_options' && $this->_configuration['model']['class'] == 'privatebin_db')
+            elseif (
+                $section == 'model_options' && in_array(
+                    $this->_configuration['model']['class'],
+                    array('privatebin_db', 'zerobin_db')
+                )
+            )
             {
                 $values = array(
                     'dsn' => 'sqlite:' . PATH . 'data/db.sq3',
@@ -180,6 +185,12 @@ class configuration
             }
         }
 
+        // support for old config file format, before the fork was renamed
+        $this->_configuration['model']['class'] = str_replace(
+            'zerobin_', 'privatebin_',
+            $this->_configuration['model']['class']
+        );
+
         // ensure a valid expire default key is set
         if (!array_key_exists($this->_configuration['expire']['default'], $this->_configuration['expire_options']))
         {

lib/model.php

@@ -61,13 +61,8 @@ class model
     {
         if ($this->_store === null)
         {
-            // added option to support old config file format
-            $model = str_replace(
-                'zerobin_', 'privatebin_',
-                $this->_conf->getKey('class', 'model')
-            );
             $this->_store = forward_static_call(
-                array($model, 'getInstance'),
+                array($this->_conf->getKey('class', 'model'), 'getInstance'),
                 $this->_conf->getSection('model_options')
             );
         }

lib/privatebin/db.php

@@ -134,6 +134,12 @@ class privatebin_db extends privatebin_abstract
                     self::_upgradeDatabase($db_version);
                 }
             }
+            else
+            {
+                throw new Exception(
+                    'Missing configuration for key dsn, usr, pwd or opt in the section model_options, please check your configuration file', 6
+                );
+            }
         }
 
         return self::$_instance;