Code

Removed smarty packages from references
[gosa.git] / gosa-core / include / smarty / sysplugins / smarty_internal_utility.php
index 3c64e58acb69621723d85e042ed5b57d5290a809..2c184cd3526561dbd9a06b9e38ac6fe8bc17e6e6 100644 (file)
@@ -1,72 +1,78 @@
 <?php
-
 /**
  * Project:     Smarty: the PHP compiling template engine
  * File:        smarty_internal_utility.php
  * SVN:         $Id: $
- * 
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
- * 
+ *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- * 
+ *
  * For questions, help, comments, discussion, etc., please join the
  * Smarty mailing list. Send a blank e-mail to
  * smarty-discussion-subscribe@googlegroups.com
- * 
+ *
  * @link http://www.smarty.net/
  * @copyright 2008 New Digital Group, Inc.
- * @author Monte Ohrt <monte at ohrt dot com> 
- * @author Uwe Tews 
+ * @author Monte Ohrt <monte at ohrt dot com>
+ * @author Uwe Tews
  * @package Smarty
  * @subpackage PluginsInternal
  * @version 3-SVN$Rev: 3286 $
  */
 
+
+/**
+ * Utility class
+ *
+ * @package Smarty
+ * @subpackage Security
+ */
 class Smarty_Internal_Utility {
-    protected $smarty;
 
-    function __construct($smarty)
+    /**
+     * private constructor to prevent calls creation of new instances
+     */
+    private final function __construct()
     {
-        $this->smarty = $smarty;
-    } 
+        // intentionally left blank
+    }
 
     /**
      * Compile all template files
-     * 
-     * @param string $extension file extension
-     * @param bool $force_compile force all to recompile
-     * @param int $time_limit 
-     * @param int $max_errors 
-     * @return integer number of template files recompiled
+     *
+     * @param string $extension     template file name extension
+     * @param bool   $force_compile force all to recompile
+     * @param int    $time_limit    set maximum execution time
+     * @param int    $max_errors    set maximum allowed errors
+     * @param Smarty $smarty        Smarty instance
+     * @return integer number of template files compiled
      */
-    function compileAllTemplates($extention = '.tpl', $force_compile = false, $time_limit = 0, $max_errors = null)
-    { 
+    public static function compileAllTemplates($extention, $force_compile, $time_limit, $max_errors, Smarty $smarty)
+    {
         // switch off time limit
         if (function_exists('set_time_limit')) {
             @set_time_limit($time_limit);
-        } 
-        $this->smarty->force_compile = $force_compile;
+        }
+        $smarty->force_compile = $force_compile;
         $_count = 0;
-        $_error_count = 0; 
+        $_error_count = 0;
         // loop over array of template directories
-        foreach((array)$this->smarty->template_dir as $_dir) {
-            if (strpos('/\\', substr($_dir, -1)) === false) {
-                $_dir .= DS;
-            } 
+        foreach($smarty->getTemplateDir() as $_dir) {
             $_compileDirs = new RecursiveDirectoryIterator($_dir);
             $_compile = new RecursiveIteratorIterator($_compileDirs);
             foreach ($_compile as $_fileinfo) {
-                if (strpos($_fileinfo, '.svn') !== false) continue;
+                if (substr($_fileinfo->getBasename(),0,1) == '.' || strpos($_fileinfo, '.svn') !== false) continue;
                 $_file = $_fileinfo->getFilename();
                 if (!substr_compare($_file, $extention, - strlen($extention)) == 0) continue;
                 if ($_fileinfo->getPath() == substr($_dir, 0, -1)) {
@@ -78,7 +84,7 @@ class Smarty_Internal_Utility {
                 flush();
                 $_start_time = microtime(true);
                 try {
-                    $_tpl = $this->smarty->createTemplate($_template_file);
+                    $_tpl = $smarty->createTemplate($_template_file,null,null,null,false);
                     if ($_tpl->mustCompile()) {
                         $_tpl->compileTemplateSource();
                         echo ' compiled in  ', microtime(true) - $_start_time, ' seconds';
@@ -86,60 +92,62 @@ class Smarty_Internal_Utility {
                     } else {
                         echo ' is up to date';
                         flush();
-                    } 
-                } 
+                    }
+                }
                 catch (Exception $e) {
                     echo 'Error: ', $e->getMessage(), "<br><br>";
                     $_error_count++;
-                } 
+                }
+                // free memory
+                $smarty->template_objects = array();
+                $_tpl->smarty->template_objects = array();
+                $_tpl = null;
                 if ($max_errors !== null && $_error_count == $max_errors) {
                     echo '<br><br>too many errors';
                     exit();
-                } 
-            } 
-        } 
+                }
+            }
+        }
         return $_count;
-    } 
+    }
 
     /**
      * Compile all config files
-     * 
-     * @param string $extension file extension
-     * @param bool $force_compile force all to recompile
-     * @param int $time_limit 
-     * @param int $max_errors 
-     * @return integer number of template files recompiled
+     *
+     * @param string $extension     config file name extension
+     * @param bool   $force_compile force all to recompile
+     * @param int    $time_limit    set maximum execution time
+     * @param int    $max_errors    set maximum allowed errors
+     * @param Smarty $smarty        Smarty instance
+     * @return integer number of config files compiled
      */
-    function compileAllConfig($extention = '.conf', $force_compile = false, $time_limit = 0, $max_errors = null)
-    { 
+    public static function compileAllConfig($extention, $force_compile, $time_limit, $max_errors, Smarty $smarty)
+    {
         // switch off time limit
         if (function_exists('set_time_limit')) {
             @set_time_limit($time_limit);
-        } 
-        $this->smarty->force_compile = $force_compile;
+        }
+        $smarty->force_compile = $force_compile;
         $_count = 0;
-        $_error_count = 0; 
+        $_error_count = 0;
         // loop over array of template directories
-        foreach((array)$this->smarty->config_dir as $_dir) {
-            if (strpos('/\\', substr($_dir, -1)) === false) {
-                $_dir .= DS;
-            } 
+        foreach($smarty->getConfigDir() as $_dir) {
             $_compileDirs = new RecursiveDirectoryIterator($_dir);
             $_compile = new RecursiveIteratorIterator($_compileDirs);
             foreach ($_compile as $_fileinfo) {
-                if (strpos($_fileinfo, '.svn') !== false) continue;
+                if (substr($_fileinfo->getBasename(),0,1) == '.' || strpos($_fileinfo, '.svn') !== false) continue;
                 $_file = $_fileinfo->getFilename();
                 if (!substr_compare($_file, $extention, - strlen($extention)) == 0) continue;
                 if ($_fileinfo->getPath() == substr($_dir, 0, -1)) {
                     $_config_file = $_file;
                 } else {
                     $_config_file = substr($_fileinfo->getPath(), strlen($_dir)) . DS . $_file;
-                } 
+                }
                 echo '<br>', $_dir, '---', $_config_file;
                 flush();
                 $_start_time = microtime(true);
                 try {
-                    $_config = new Smarty_Internal_Config($_config_file, $this->smarty);
+                    $_config = new Smarty_Internal_Config($_config_file, $smarty);
                     if ($_config->mustCompile()) {
                         $_config->compileConfigSource();
                         echo ' compiled in  ', microtime(true) - $_start_time, ' seconds';
@@ -147,150 +155,644 @@ class Smarty_Internal_Utility {
                     } else {
                         echo ' is up to date';
                         flush();
-                    } 
-                } 
+                    }
+                }
                 catch (Exception $e) {
                     echo 'Error: ', $e->getMessage(), "<br><br>";
                     $_error_count++;
-                } 
+                }
                 if ($max_errors !== null && $_error_count == $max_errors) {
                     echo '<br><br>too many errors';
                     exit();
-                } 
-            } 
-        } 
+                }
+            }
+        }
         return $_count;
-    } 
+    }
 
     /**
      * Delete compiled template file
-     * 
-     * @param string $resource_name template name
-     * @param string $compile_id compile id
-     * @param integer $exp_time expiration time
+     *
+     * @param string  $resource_name template name
+     * @param string  $compile_id    compile id
+     * @param integer $exp_time      expiration time
+     * @param Smarty  $smarty        Smarty instance
      * @return integer number of template files deleted
      */
-    function clearCompiledTemplate($resource_name = null, $compile_id = null, $exp_time = null)
+    public static function clearCompiledTemplate($resource_name, $compile_id, $exp_time, Smarty $smarty)
     {
+        $_compile_dir = $smarty->getCompileDir();
         $_compile_id = isset($compile_id) ? preg_replace('![^\w\|]+!', '_', $compile_id) : null;
-        $_dir_sep = $this->smarty->use_sub_dirs ? DS : '^';
+        $_dir_sep = $smarty->use_sub_dirs ? DS : '^';
         if (isset($resource_name)) {
-            $_resource_part_1 = $resource_name . '.php';
-            $_resource_part_2 = $resource_name . '.cache' . '.php';
+            $_save_stat = $smarty->caching;
+            $smarty->caching = false;
+            $tpl = new $smarty->template_class($resource_name, $smarty);
+            $smarty->caching = $_save_stat;
+            
+            // remove from template cache
+            $tpl->source; // have the template registered before unset()
+            $_templateId = sha1($tpl->source->unique_resource . $tpl->cache_id . $tpl->compile_id);
+            unset($smarty->template_objects[$_templateId]);
+            
+            if ($tpl->source->exists) {
+                 $_resource_part_1 = basename(str_replace('^', '/', $tpl->compiled->filepath));
+                 $_resource_part_1_length = strlen($_resource_part_1);
+            } else {
+                return 0;
+            }
+            
+            $_resource_part_2 = str_replace('.php','.cache.php',$_resource_part_1);
+            $_resource_part_2_length = strlen($_resource_part_2);
         } else {
             $_resource_part = '';
-        } 
-        $_dir = $this->smarty->compile_dir;
-        if ($this->smarty->use_sub_dirs && isset($_compile_id)) {
+        }
+        $_dir = $_compile_dir;
+        if ($smarty->use_sub_dirs && isset($_compile_id)) {
             $_dir .= $_compile_id . $_dir_sep;
-        } 
+        }
         if (isset($_compile_id)) {
-            $_compile_id_part = $this->smarty->compile_dir . $_compile_id . $_dir_sep;
-        } 
+            $_compile_id_part = $_compile_dir . $_compile_id . $_dir_sep;
+            $_compile_id_part_length = strlen($_compile_id_part);
+        }
         $_count = 0;
         $_compileDirs = new RecursiveDirectoryIterator($_dir);
         $_compile = new RecursiveIteratorIterator($_compileDirs, RecursiveIteratorIterator::CHILD_FIRST);
         foreach ($_compile as $_file) {
-            if (strpos($_file, '.svn') !== false) continue;
+            if (substr($_file->getBasename(), 0, 1) == '.' || strpos($_file, '.svn') !== false)
+                continue;
+            
+            $_filepath = (string) $_file;
+            
             if ($_file->isDir()) {
                 if (!$_compile->isDot()) {
                     // delete folder if empty
                     @rmdir($_file->getPathname());
-                } 
+                }
             } else {
-                if ((!isset($_compile_id) || (strlen((string)$_file) > strlen($_compile_id_part) && substr_compare((string)$_file, $_compile_id_part, 0, strlen($_compile_id_part)) == 0)) &&
-                        (!isset($resource_name) || (strlen((string)$_file) > strlen($_resource_part_1) && substr_compare((string)$_file, $_resource_part_1, - strlen($_resource_part_1), strlen($_resource_part_1)) == 0) ||
-                            (strlen((string)$_file) > strlen($_resource_part_2) && substr_compare((string)$_file, $_resource_part_2, - strlen($_resource_part_2), strlen($_resource_part_2)) == 0))) {
+                $unlink = false;
+                if ((!isset($_compile_id) || (isset($_filepath[$_compile_id_part_length]) && !strncmp($_filepath, $_compile_id_part, $_compile_id_part_length)))
+                    && (!isset($resource_name) 
+                        || (isset($_filepath[$_resource_part_1_length]) 
+                            && substr_compare($_filepath, $_resource_part_1, -$_resource_part_1_length, $_resource_part_1_length) == 0) 
+                        || (isset($_filepath[$_resource_part_2_length]) 
+                            && substr_compare($_filepath, $_resource_part_2, -$_resource_part_2_length, $_resource_part_2_length) == 0))) {
                     if (isset($exp_time)) {
-                        if (time() - @filemtime($_file) >= $exp_time) {
-                            $_count += @unlink((string) $_file) ? 1 : 0;
-                        } 
+                        if (time() - @filemtime($_filepath) >= $exp_time) {
+                            $unlink = true;
+                        }
                     } else {
-                        $_count += @unlink((string) $_file) ? 1 : 0;
-                    } 
-                } 
-            } 
-        } 
+                        $unlink = true;
+                    }
+                }
+                
+                if ($unlink && @unlink($_filepath)) {
+                    $_count++;
+                }
+            }
+        }
+        // clear compiled cache
+        Smarty_Resource::$sources = array();
+        Smarty_Resource::$compileds = array();
         return $_count;
-    } 
+    }
 
     /**
      * Return array of tag/attributes of all tags used by an template
-     * 
-     * @param object $templae template object
+     *
+     * @param Smarty_Internal_Template $templae template object
      * @return array of tag/attributes
      */
-       function getTags(Smarty_Internal_Template $template) 
-       {
-               $template->smarty->get_used_tags = true;
-               $template->compileTemplateSource();
-               return $template->compiler_object->used_tags;
-       }       
-       
-    function testInstall()
+    public static function getTags(Smarty_Internal_Template $template)
+    {
+        $template->smarty->get_used_tags = true;
+        $template->compileTemplateSource();
+        return $template->used_tags;
+    }
+
+
+    /**
+     * diagnose Smarty setup
+     *
+     * If $errors is secified, the diagnostic report will be appended to the array, rather than being output.
+     *
+     * @param Smarty $smarty  Smarty instance to test
+     * @param array  $errors array to push results into rather than outputting them
+     * @return bool status, true if everything is fine, false else
+     */
+    public static function testInstall(Smarty $smarty, &$errors=null)
     {
-        echo "<PRE>\n";
-
-        echo "Smarty Installation test...\n";
-
-        echo "Testing template directory...\n";
-
-        foreach((array)$this->smarty->template_dir as $template_dir) {
-            if (!is_dir($template_dir))
-                echo "FAILED: $template_dir is not a directory.\n";
-            elseif (!is_readable($template_dir))
-                echo "FAILED: $template_dir is not readable.\n";
-            else
-                echo "$template_dir is OK.\n";
-        } 
-
-        echo "Testing compile directory...\n";
-
-        if (!is_dir($this->smarty->compile_dir))
-            echo "FAILED: {$this->smarty->compile_dir} is not a directory.\n";
-        elseif (!is_readable($this->smarty->compile_dir))
-            echo "FAILED: {$this->smarty->compile_dir} is not readable.\n";
-        elseif (!is_writable($this->smarty->compile_dir))
-            echo "FAILED: {$this->smarty->compile_dir} is not writable.\n";
-        else
-            echo "{$this->smarty->compile_dir} is OK.\n";
-
-        echo "Testing plugins directory...\n";
-
-        foreach((array)$this->smarty->plugins_dir as $plugin_dir) {
-            if (!is_dir($plugin_dir))
-                echo "FAILED: $plugin_dir is not a directory.\n";
-            elseif (!is_readable($plugin_dir))
-                echo "FAILED: $plugin_dir is not readable.\n";
-            else
-                echo "$plugin_dir is OK.\n";
-        } 
-
-        echo "Testing cache directory...\n";
-
-        if (!is_dir($this->smarty->cache_dir))
-            echo "FAILED: {$this->smarty->cache_dir} is not a directory.\n";
-        elseif (!is_readable($this->smarty->cache_dir))
-            echo "FAILED: {$this->smarty->cache_dir} is not readable.\n";
-        elseif (!is_writable($this->smarty->cache_dir))
-            echo "FAILED: {$this->smarty->cache_dir} is not writable.\n";
-        else
-            echo "{$this->smarty->cache_dir} is OK.\n";
-
-        echo "Testing configs directory...\n";
-
-        if (!is_dir($this->smarty->config_dir))
-            echo "FAILED: {$this->smarty->config_dir} is not a directory.\n";
-        elseif (!is_readable($this->smarty->config_dir))
-            echo "FAILED: {$this->smarty->config_dir} is not readable.\n";
-        else
-            echo "{$this->smarty->config_dir} is OK.\n";
-
-        echo "Tests complete.\n";
-
-        echo "</PRE>\n";
-
-        return true;
-    } 
+        $status = true;
+
+        if ($errors === null) {
+            echo "<PRE>\n";
+            echo "Smarty Installation test...\n";
+            echo "Testing template directory...\n";
+        }
+
+        // test if all registered template_dir are accessible
+        foreach($smarty->getTemplateDir() as $template_dir) {
+            $_template_dir = $template_dir;
+            $template_dir = realpath($template_dir);
+            // resolve include_path or fail existance
+            if (!$template_dir) {
+                if ($smarty->use_include_path && !preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $_template_dir)) {
+                    // try PHP include_path
+                    if (($template_dir = Smarty_Internal_Get_Include_Path::getIncludePath($_template_dir)) !== false) {
+                        if ($errors === null) {
+                            echo "$template_dir is OK.\n";
+                        }
+                        
+                        continue;
+                    } else {
+                        $status = false;
+                        $message = "FAILED: $_template_dir does not exist (and couldn't be found in include_path either)";
+                        if ($errors === null) {
+                            echo $message . ".\n";
+                        } else {
+                            $errors['template_dir'] = $message;
+                        }
+
+                        continue;
+                    }
+                } else {
+                    $status = false;
+                    $message = "FAILED: $_template_dir does not exist";
+                    if ($errors === null) {
+                        echo $message . ".\n";
+                    } else {
+                        $errors['template_dir'] = $message;
+                    }
+                    
+                    continue;
+                }
+            }
+            
+            if (!is_dir($template_dir)) {
+                $status = false;
+                $message = "FAILED: $template_dir is not a directory";
+                if ($errors === null) {
+                    echo $message . ".\n";
+                } else {
+                    $errors['template_dir'] = $message;
+                }
+            } elseif (!is_readable($template_dir)) {
+                $status = false;
+                $message = "FAILED: $template_dir is not readable";
+                if ($errors === null) {
+                    echo $message . ".\n";
+                } else {
+                    $errors['template_dir'] = $message;
+                }
+            } else {
+                if ($errors === null) {
+                    echo "$template_dir is OK.\n";
+                }
+            }
+        }
+
+
+        if ($errors === null) {
+            echo "Testing compile directory...\n";
+        }
+
+        // test if registered compile_dir is accessible
+        $__compile_dir = $smarty->getCompileDir();
+        $_compile_dir = realpath($__compile_dir);
+        if (!$_compile_dir) {
+            $status = false;
+            $message = "FAILED: {$__compile_dir} does not exist";
+            if ($errors === null) {
+                echo $message . ".\n";
+            } else {
+                $errors['compile_dir'] = $message;
+            }
+        } elseif (!is_dir($_compile_dir)) {
+            $status = false;
+            $message = "FAILED: {$_compile_dir} is not a directory";
+            if ($errors === null) {
+                echo $message . ".\n";
+            } else {
+                $errors['compile_dir'] = $message;
+            }
+        } elseif (!is_readable($_compile_dir)) {
+            $status = false;
+            $message = "FAILED: {$_compile_dir} is not readable";
+            if ($errors === null) {
+                echo $message . ".\n";
+            } else {
+                $errors['compile_dir'] = $message;
+            }
+        } elseif (!is_writable($_compile_dir)) {
+            $status = false;
+            $message = "FAILED: {$_compile_dir} is not writable";
+            if ($errors === null) {
+                echo $message . ".\n";
+            } else {
+                $errors['compile_dir'] = $message;
+            }
+        } else {
+            if ($errors === null) {
+                echo "{$_compile_dir} is OK.\n";
+            }
+        }
+
+
+        if ($errors === null) {
+            echo "Testing plugins directory...\n";
+        }
+
+        // test if all registered plugins_dir are accessible
+        // and if core plugins directory is still registered
+        $_core_plugins_dir = realpath(dirname(__FILE__) .'/../plugins');
+        $_core_plugins_available = false;
+        foreach($smarty->getPluginsDir() as $plugin_dir) {
+            $_plugin_dir = $plugin_dir;
+            $plugin_dir = realpath($plugin_dir);
+            // resolve include_path or fail existance
+            if (!$plugin_dir) {
+                if ($smarty->use_include_path && !preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $_plugin_dir)) {
+                    // try PHP include_path
+                    if (($plugin_dir = Smarty_Internal_Get_Include_Path::getIncludePath($_plugin_dir)) !== false) {
+                        if ($errors === null) {
+                            echo "$plugin_dir is OK.\n";
+                        }
+                        
+                        continue;
+                    } else {
+                        $status = false;
+                        $message = "FAILED: $_plugin_dir does not exist (and couldn't be found in include_path either)";
+                        if ($errors === null) {
+                            echo $message . ".\n";
+                        } else {
+                            $errors['plugins_dir'] = $message;
+                        }
+
+                        continue;
+                    }
+                } else {
+                    $status = false;
+                    $message = "FAILED: $_plugin_dir does not exist";
+                    if ($errors === null) {
+                        echo $message . ".\n";
+                    } else {
+                        $errors['plugins_dir'] = $message;
+                    }
+                    
+                    continue;
+                }
+            }
+            
+            if (!is_dir($plugin_dir)) {
+                $status = false;
+                $message = "FAILED: $plugin_dir is not a directory";
+                if ($errors === null) {
+                    echo $message . ".\n";
+                } else {
+                    $errors['plugins_dir'] = $message;
+                }
+            } elseif (!is_readable($plugin_dir)) {
+                $status = false;
+                $message = "FAILED: $plugin_dir is not readable";
+                if ($errors === null) {
+                    echo $message . ".\n";
+                } else {
+                    $errors['plugins_dir'] = $message;
+                }
+            } elseif ($_core_plugins_dir && $_core_plugins_dir == realpath($plugin_dir)) {
+                $_core_plugins_available = true;
+                if ($errors === null) {
+                    echo "$plugin_dir is OK.\n";
+                }
+            } else {
+                if ($errors === null) {
+                    echo "$plugin_dir is OK.\n";
+                }
+            }
+        }
+        if (!$_core_plugins_available) {
+            $status = false;
+            $message = "WARNING: Smarty's own libs/plugins is not available";
+            if ($errors === null) {
+                echo $message . ".\n";
+            } elseif (!isset($errors['plugins_dir'])) {
+                $errors['plugins_dir'] = $message;
+            }
+        }
+
+        if ($errors === null) {
+            echo "Testing cache directory...\n";
+        }
+
+        
+        // test if all registered cache_dir is accessible
+        $__cache_dir = $smarty->getCacheDir();
+        $_cache_dir = realpath($__cache_dir);
+        if (!$_cache_dir) {
+            $status = false;
+            $message = "FAILED: {$__cache_dir} does not exist";
+            if ($errors === null) {
+                echo $message . ".\n";
+            } else {
+                $errors['cache_dir'] = $message;
+            }
+        } elseif (!is_dir($_cache_dir)) {
+            $status = false;
+            $message = "FAILED: {$_cache_dir} is not a directory";
+            if ($errors === null) {
+                echo $message . ".\n";
+            } else {
+                $errors['cache_dir'] = $message;
+            }
+        } elseif (!is_readable($_cache_dir)) {
+            $status = false;
+            $message = "FAILED: {$_cache_dir} is not readable";
+            if ($errors === null) {
+                echo $message . ".\n";
+            } else {
+                $errors['cache_dir'] = $message;
+            }
+        } elseif (!is_writable($_cache_dir)) {
+            $status = false;
+            $message = "FAILED: {$_cache_dir} is not writable";
+            if ($errors === null) {
+                echo $message . ".\n";
+            } else {
+                $errors['cache_dir'] = $message;
+            }
+        } else {
+            if ($errors === null) {
+                echo "{$_cache_dir} is OK.\n";
+            }
+        }
+
+
+        if ($errors === null) {
+            echo "Testing configs directory...\n";
+        }
+
+        // test if all registered config_dir are accessible
+        foreach($smarty->getConfigDir() as $config_dir) {
+            $_config_dir = $config_dir;
+            $config_dir = realpath($config_dir);
+            // resolve include_path or fail existance
+            if (!$config_dir) {
+                if ($smarty->use_include_path && !preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $_config_dir)) {
+                    // try PHP include_path
+                    if (($config_dir = Smarty_Internal_Get_Include_Path::getIncludePath($_config_dir)) !== false) {
+                        if ($errors === null) {
+                            echo "$config_dir is OK.\n";
+                        }
+                        
+                        continue;
+                    } else {
+                        $status = false;
+                        $message = "FAILED: $_config_dir does not exist (and couldn't be found in include_path either)";
+                        if ($errors === null) {
+                            echo $message . ".\n";
+                        } else {
+                            $errors['config_dir'] = $message;
+                        }
+
+                        continue;
+                    }
+                } else {
+                    $status = false;
+                    $message = "FAILED: $_config_dir does not exist";
+                    if ($errors === null) {
+                        echo $message . ".\n";
+                    } else {
+                        $errors['config_dir'] = $message;
+                    }
+                    
+                    continue;
+                }
+            }
+            
+            if (!is_dir($config_dir)) {
+                $status = false;
+                $message = "FAILED: $config_dir is not a directory";
+                if ($errors === null) {
+                    echo $message . ".\n";
+                } else {
+                    $errors['config_dir'] = $message;
+                }
+            } elseif (!is_readable($config_dir)) {
+                $status = false;
+                $message = "FAILED: $config_dir is not readable";
+                if ($errors === null) {
+                    echo $message . ".\n";
+                } else {
+                    $errors['config_dir'] = $message;
+                }
+            } else {
+                if ($errors === null) {
+                    echo "$config_dir is OK.\n";
+                }
+            }
+        }
+
+
+        if ($errors === null) {
+            echo "Testing sysplugin files...\n";
+        }
+        // test if sysplugins are available
+        $source = SMARTY_SYSPLUGINS_DIR;
+        if (is_dir($source)) {
+            $expected = array(
+                "smarty_cacheresource.php" => true,
+                "smarty_cacheresource_custom.php" => true,
+                "smarty_cacheresource_keyvaluestore.php" => true,
+                "smarty_config_source.php" => true,
+                "smarty_internal_cacheresource_file.php" => true,
+                "smarty_internal_compile_append.php" => true,
+                "smarty_internal_compile_assign.php" => true,
+                "smarty_internal_compile_block.php" => true,
+                "smarty_internal_compile_break.php" => true,
+                "smarty_internal_compile_call.php" => true,
+                "smarty_internal_compile_capture.php" => true,
+                "smarty_internal_compile_config_load.php" => true,
+                "smarty_internal_compile_continue.php" => true,
+                "smarty_internal_compile_debug.php" => true,
+                "smarty_internal_compile_eval.php" => true,
+                "smarty_internal_compile_extends.php" => true,
+                "smarty_internal_compile_for.php" => true,
+                "smarty_internal_compile_foreach.php" => true,
+                "smarty_internal_compile_function.php" => true,
+                "smarty_internal_compile_if.php" => true,
+                "smarty_internal_compile_include.php" => true,
+                "smarty_internal_compile_include_php.php" => true,
+                "smarty_internal_compile_insert.php" => true,
+                "smarty_internal_compile_ldelim.php" => true,
+                "smarty_internal_compile_nocache.php" => true,
+                "smarty_internal_compile_private_block_plugin.php" => true,
+                "smarty_internal_compile_private_function_plugin.php" => true,
+                "smarty_internal_compile_private_modifier.php" => true,
+                "smarty_internal_compile_private_object_block_function.php" => true,
+                "smarty_internal_compile_private_object_function.php" => true,
+                "smarty_internal_compile_private_print_expression.php" => true,
+                "smarty_internal_compile_private_registered_block.php" => true,
+                "smarty_internal_compile_private_registered_function.php" => true,
+                "smarty_internal_compile_private_special_variable.php" => true,
+                "smarty_internal_compile_rdelim.php" => true,
+                "smarty_internal_compile_section.php" => true,
+                "smarty_internal_compile_setfilter.php" => true,
+                "smarty_internal_compile_while.php" => true,
+                "smarty_internal_compilebase.php" => true,
+                "smarty_internal_config.php" => true,
+                "smarty_internal_config_file_compiler.php" => true,
+                "smarty_internal_configfilelexer.php" => true,
+                "smarty_internal_configfileparser.php" => true,
+                "smarty_internal_data.php" => true,
+                "smarty_internal_debug.php" => true,
+                "smarty_internal_filter_handler.php" => true,
+                "smarty_internal_function_call_handler.php" => true,
+                "smarty_internal_get_include_path.php" => true,
+                "smarty_internal_nocache_insert.php" => true,
+                "smarty_internal_parsetree.php" => true,
+                "smarty_internal_resource_eval.php" => true,
+                "smarty_internal_resource_extends.php" => true,
+                "smarty_internal_resource_file.php" => true,
+                "smarty_internal_resource_registered.php" => true,
+                "smarty_internal_resource_stream.php" => true,
+                "smarty_internal_resource_string.php" => true,
+                "smarty_internal_smartytemplatecompiler.php" => true,
+                "smarty_internal_template.php" => true,
+                "smarty_internal_templatebase.php" => true,
+                "smarty_internal_templatecompilerbase.php" => true,
+                "smarty_internal_templatelexer.php" => true,
+                "smarty_internal_templateparser.php" => true,
+                "smarty_internal_utility.php" => true,
+                "smarty_internal_write_file.php" => true,
+                "smarty_resource.php" => true,
+                "smarty_resource_custom.php" => true,
+                "smarty_resource_recompiled.php" => true,
+                "smarty_resource_uncompiled.php" => true,
+                "smarty_security.php" => true,
+            );
+            $iterator = new DirectoryIterator($source);
+            foreach ($iterator as $file) {
+                if (!$file->isDot()) {
+                    $filename = $file->getFilename();
+                    if (isset($expected[$filename])) {
+                        unset($expected[$filename]);
+                    }
+                }
+            }
+            if ($expected) {
+                $status = false;
+                $message = "FAILED: files missing from libs/sysplugins: ". join(', ', array_keys($expected));
+                if ($errors === null) {
+                    echo $message . ".\n";
+                } else {
+                    $errors['sysplugins'] = $message;
+                }
+            } elseif ($errors === null) {
+                echo "... OK\n";
+            }
+        } else {
+            $status = false;
+            $message = "FAILED: ". SMARTY_SYSPLUGINS_DIR .' is not a directory';
+            if ($errors === null) {
+                echo $message . ".\n";
+            } else {
+                $errors['sysplugins_dir_constant'] = $message;
+            }
+        }
+
+        if ($errors === null) {
+            echo "Testing plugin files...\n";
+        }
+        // test if core plugins are available
+        $source = SMARTY_PLUGINS_DIR;
+        if (is_dir($source)) {
+            $expected = array(
+                "block.textformat.php" => true,
+                "function.counter.php" => true,
+                "function.cycle.php" => true,
+                "function.fetch.php" => true,
+                "function.html_checkboxes.php" => true,
+                "function.html_image.php" => true,
+                "function.html_options.php" => true,
+                "function.html_radios.php" => true,
+                "function.html_select_date.php" => true,
+                "function.html_select_time.php" => true,
+                "function.html_table.php" => true,
+                "function.mailto.php" => true,
+                "function.math.php" => true,
+                "modifier.capitalize.php" => true,
+                "modifier.date_format.php" => true,
+                "modifier.debug_print_var.php" => true,
+                "modifier.escape.php" => true,
+                "modifier.regex_replace.php" => true,
+                "modifier.replace.php" => true,
+                "modifier.spacify.php" => true,
+                "modifier.truncate.php" => true,
+                "modifiercompiler.cat.php" => true,
+                "modifiercompiler.count_characters.php" => true,
+                "modifiercompiler.count_paragraphs.php" => true,
+                "modifiercompiler.count_sentences.php" => true,
+                "modifiercompiler.count_words.php" => true,
+                "modifiercompiler.default.php" => true,
+                "modifiercompiler.escape.php" => true,
+                "modifiercompiler.from_charset.php" => true,
+                "modifiercompiler.indent.php" => true,
+                "modifiercompiler.lower.php" => true,
+                "modifiercompiler.noprint.php" => true,
+                "modifiercompiler.string_format.php" => true,
+                "modifiercompiler.strip.php" => true,
+                "modifiercompiler.strip_tags.php" => true,
+                "modifiercompiler.to_charset.php" => true,
+                "modifiercompiler.unescape.php" => true,
+                "modifiercompiler.upper.php" => true,
+                "modifiercompiler.wordwrap.php" => true,
+                "outputfilter.trimwhitespace.php" => true,
+                "shared.escape_special_chars.php" => true,
+                "shared.literal_compiler_param.php" => true,
+                "shared.make_timestamp.php" => true,
+                "shared.mb_str_replace.php" => true,
+                "shared.mb_unicode.php" => true,
+                "shared.mb_wordwrap.php" => true,
+                "variablefilter.htmlspecialchars.php" => true,
+            );
+            $iterator = new DirectoryIterator($source);
+            foreach ($iterator as $file) {
+                if (!$file->isDot()) {
+                    $filename = $file->getFilename();
+                    if (isset($expected[$filename])) {
+                        unset($expected[$filename]);
+                    }
+                }
+            }
+            if ($expected) {
+                $status = false;
+                $message = "FAILED: files missing from libs/plugins: ". join(', ', array_keys($expected));
+                if ($errors === null) {
+                    echo $message . ".\n";
+                } else {
+                    $errors['plugins'] = $message;
+                }
+            } elseif ($errors === null) {
+                echo "... OK\n";
+            }
+        } else {
+            $status = false;
+            $message = "FAILED: ". SMARTY_PLUGINS_DIR .' is not a directory';
+            if ($errors === null) {
+                echo $message . ".\n";
+            } else {
+                $errors['plugins_dir_constant'] = $message;
+            }
+        }
+
+        if ($errors === null) {
+            echo "Tests complete.\n";
+            echo "</PRE>\n";
+        }
+
+        return $status;
+    }
+
 }
+
 ?>
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