Update smarty to 2.6.26

git-svn-id: http://piwigo.org/svn/branches/2.0@3583 68402e56-0260-453c-a942-63ccdbb3a9ee

6 files changed, 90 insertions, 61 deletions

diff --git a/include/smarty/NEWS b/include/smarty/NEWS
index 39c5f001b..cbab78f5a 100644
--- a/include/smarty/NEWS
+++ b/include/smarty/NEWS
@@ -1,3 +1,22 @@
+Version 2.6.26 (June 18th, 2009)
+-------------------------------
+- revert super global access changes, and instead rely on
+  USE_SUPER_GLOBALS for security
+
+Version 2.6.25 (May 19th, 2009)
+-------------------------------
+- fix E_NOTICE when sessions are disabled (mohrt)
+
+Version 2.6.24 (May 16th, 2009)
+-------------------------------
+- fix problem introduced with super global changes (mohrt)
+
+Version 2.6.23 (May 13th, 2009)
+-------------------------------
+- strip backticks from {math} equations (mohrt)
+- make PHP super globals read-only from template (mohrt)
+- throw error when template exists but not readable (mohrt)
+
 Version 2.6.22 (Dec 17th, 2008)
 -------------------------------
 
diff --git a/include/smarty/README b/include/smarty/README
index 13ff7609c..15992d09e 100644
--- a/include/smarty/README
+++ b/include/smarty/README
@@ -3,7 +3,7 @@ NAME:
 
     Smarty - the PHP compiling template engine
 
-VERSION: 2.6.22
+VERSION: 2.6.26
 
 AUTHORS:
     
diff --git a/include/smarty/libs/Config_File.class.php b/include/smarty/libs/Config_File.class.php
index 31b890750..5787ad15f 100644
--- a/include/smarty/libs/Config_File.class.php
+++ b/include/smarty/libs/Config_File.class.php
@@ -22,14 +22,14 @@
  * smarty-discussion-subscribe@googlegroups.com 
  *
  * @link http://www.smarty.net/
- * @version 2.6.22
+ * @version 2.6.26
  * @copyright Copyright: 2001-2005 New Digital Group, Inc.
  * @author Andrei Zmievski <andrei@php.net>
  * @access public
  * @package Smarty
  */
 
-/* $Id: Config_File.class.php 2786 2008-09-18 21:04:38Z Uwe.Tews $ */
+/* $Id: Config_File.class.php 3149 2009-05-23 20:59:25Z monte.ohrt $ */
 
 /**
  * Config file reading class
diff --git a/include/smarty/libs/Smarty.class.php b/include/smarty/libs/Smarty.class.php
index 8e56346f9..e7298f2ec 100644
--- a/include/smarty/libs/Smarty.class.php
+++ b/include/smarty/libs/Smarty.class.php
@@ -20,17 +20,17 @@
  *
  * For questions, help, comments, discussion, etc., please join the
  * Smarty mailing list. Send a blank e-mail to
- * smarty-discussion-subscribe@googlegroups.com
+ * smarty-discussion-subscribe@googlegroups.com 
  *
  * @link http://www.smarty.net/
  * @copyright 2001-2005 New Digital Group, Inc.
  * @author Monte Ohrt <monte at ohrt dot com>
  * @author Andrei Zmievski <andrei@php.net>
  * @package Smarty
- * @version 2.6.22
+ * @version 2.6.26
  */
 
-/* $Id: Smarty.class.php 2785 2008-09-18 21:04:12Z Uwe.Tews $ */
+/* $Id: Smarty.class.php 3163 2009-06-17 14:39:24Z monte.ohrt $ */
 
 /**
  * DIR_SEP isn't used anymore, but third party apps might
@@ -107,7 +107,7 @@ class Smarty
     /**
      * When set, smarty does uses this value as error_reporting-level.
      *
-     * @var boolean
+     * @var integer
      */
     var $error_reporting  =  null;
 
@@ -236,7 +236,8 @@ class Smarty
                                     'INCLUDE_ANY'     => false,
                                     'PHP_TAGS'        => false,
                                     'MODIFIER_FUNCS'  => array('count'),
-                                    'ALLOW_CONSTANTS'  => false
+                                    'ALLOW_CONSTANTS'  => false,
+                                    'ALLOW_SUPER_GLOBALS' => true
                                    );
 
     /**
@@ -464,7 +465,7 @@ class Smarty
      *
      * @var string
      */
-    var $_version              = '2.6.22';
+    var $_version              = '2.6.26';
 
     /**
      * current template inclusion depth
@@ -1057,7 +1058,7 @@ class Smarty
         } else {
             // var non-existant, return valid reference
             $_tmp = null;
-            return $_tmp;
+            return $_tmp;   
         }
     }
 
@@ -1116,7 +1117,7 @@ class Smarty
     function fetch($resource_name, $cache_id = null, $compile_id = null, $display = false)
     {
         static $_cache_info = array();
-
+        
         $_smarty_old_error_level = $this->debugging ? error_reporting() : error_reporting(isset($this->error_reporting)
                ? $this->error_reporting : error_reporting() & ~E_NOTICE);
 
@@ -1303,12 +1304,6 @@ class Smarty
             error_reporting($_smarty_old_error_level);
             return;
         } else {
-            if ($this->debugging) {
-                // capture time for debugging info
-                $_params = array();
-                require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
-                $this->_smarty_debug_info[$_included_tpls_idx]['exec_time'] = (smarty_core_get_microtime($_params, $this) - $_debug_start_time);
-            }
             error_reporting($_smarty_old_error_level);
             if (isset($_smarty_results)) { return $_smarty_results; }
         }
@@ -1554,7 +1549,7 @@ class Smarty
                         $params['source_content'] = $this->_read_file($_resource_name);
                     }
                     $params['resource_timestamp'] = filemtime($_resource_name);
-                    $_return = is_file($_resource_name);
+                    $_return = is_file($_resource_name) && is_readable($_resource_name);
                     break;
 
                 default:
@@ -1717,7 +1712,7 @@ class Smarty
      */
     function _read_file($filename)
     {
-        if ( file_exists($filename) && ($fd = @fopen($filename, 'rb')) ) {
+        if ( file_exists($filename) && is_readable($filename) && ($fd = @fopen($filename, 'rb')) ) {
             $contents = '';
             while (!feof($fd)) {
                 $contents .= fread($fd, 8192);
@@ -1938,10 +1933,10 @@ class Smarty
     {
         return eval($code);
     }
-
+    
     /**
      * Extracts the filter name from the given callback
-     *
+     * 
      * @param callback $function
      * @return string
      */
@@ -1956,7 +1951,7 @@ class Smarty
 			return $function;
 		}
 	}
-
+  
     /**#@-*/
 
 }
diff --git a/include/smarty/libs/Smarty_Compiler.class.php b/include/smarty/libs/Smarty_Compiler.class.php
index 374ba3d04..1178b84d0 100644
--- a/include/smarty/libs/Smarty_Compiler.class.php
+++ b/include/smarty/libs/Smarty_Compiler.class.php
@@ -18,15 +18,15 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
- * @link http://www.smarty.net/
+ * @link http://smarty.php.net/
  * @author Monte Ohrt <monte at ohrt dot com>
  * @author Andrei Zmievski <andrei@php.net>
- * @version 2.6.22
+ * @version 2.6.26
  * @copyright 2001-2005 New Digital Group, Inc.
  * @package Smarty
  */
 
-/* $Id: Smarty_Compiler.class.php 2966 2008-12-08 15:10:03Z monte.ohrt $ */
+/* $Id: Smarty_Compiler.class.php 3163 2009-06-17 14:39:24Z monte.ohrt $ */
 
 /**
  * Template compiling class
@@ -73,9 +73,6 @@ class Smarty_Compiler extends Smarty {
 
     var $_strip_depth           =   0;
     var $_additional_newline    =   "\n";
-    
-    var $_phpversion            =   0;
-
 
     /**#@-*/
     /**
@@ -83,8 +80,6 @@ class Smarty_Compiler extends Smarty {
      */
     function Smarty_Compiler()
     {
-        $this->_phpversion = substr(phpversion(),0,1);
-
         // matches double quoted strings:
         // "foobar"
         // "foo\"bar"
@@ -157,20 +152,16 @@ class Smarty_Compiler extends Smarty {
         // $foo->bar($foo->bar)
         // $foo->bar($foo->bar())
         // $foo->bar($foo->bar($blah,$foo,44,"foo",$foo[0].bar))
-        // $foo->getBar()->getFoo()
-        // $foo->getBar()->foo
         $this->_obj_ext_regexp = '\->(?:\$?' . $this->_dvar_guts_regexp . ')';
         $this->_obj_restricted_param_regexp = '(?:'
-             . '(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')(?:' . $this->_obj_ext_regexp . '(?:\((?:(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')'
-             . '(?:\s*,\s*(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . '))*)?\))?)*)';
-
-       $this->_obj_single_param_regexp = '(?:\w+|' . $this->_obj_restricted_param_regexp . '(?:\s*,\s*(?:(?:\w+|'
+                . '(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')(?:' . $this->_obj_ext_regexp . '(?:\((?:(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')'
+                . '(?:\s*,\s*(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . '))*)?\))?)*)';
+        $this->_obj_single_param_regexp = '(?:\w+|' . $this->_obj_restricted_param_regexp . '(?:\s*,\s*(?:(?:\w+|'
                 . $this->_var_regexp . $this->_obj_restricted_param_regexp . ')))*)';
-
-       $this->_obj_params_regexp = '\((?:' . $this->_obj_single_param_regexp
+        $this->_obj_params_regexp = '\((?:' . $this->_obj_single_param_regexp
                 . '(?:\s*,\s*' . $this->_obj_single_param_regexp . ')*)?\)';
-       $this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)';
-       $this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . ')?(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?)';
+        $this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)';
+        $this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . ')?(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?)';
         
         // matches valid modifier syntax:
         // |foo
@@ -1705,8 +1696,6 @@ class Smarty_Compiler extends Smarty {
         }
         // replace double quoted literal string with single quotes
         $_return = preg_replace('~^"([\s\w]+)"$~',"'\\1'",$_return);
-        // escape dollar sign if not printing a var
-        $_return = preg_replace('~\$(\W)~',"\\\\\$\\1",$_return);
         return $_return;
     }
 
@@ -1720,7 +1709,6 @@ class Smarty_Compiler extends Smarty {
     function _parse_var($var_expr)
     {
         $_has_math = false;
-        $_has_php4_method_chaining = false;
         $_math_vars = preg_split('~('.$this->_dvar_math_regexp.'|'.$this->_qstr_regexp.')~', $var_expr, -1, PREG_SPLIT_DELIM_CAPTURE);
 
         if(count($_math_vars) > 1) {
@@ -1833,10 +1821,6 @@ class Smarty_Compiler extends Smarty {
                             $_output .= '->{(($_var=$this->_tpl_vars[\''.substr($_index,3).'\']) && substr($_var,0,2)!=\'__\') ? $_var : $this->trigger_error("cannot access property \\"$_var\\"")}';
                         }
                     } else {
-                       if ($this->_phpversion < 5) {
-                         $_has_php4_method_chaining = true;
-                         $_output .= "; \$_foo = \$_foo";
-                       }
                         $_output .= $_index;
                     }
                 } elseif (substr($_index, 0, 1) == '(') {
@@ -1848,12 +1832,7 @@ class Smarty_Compiler extends Smarty {
             }
         }
 
-        if ($_has_php4_method_chaining) {
-           $_tmp = str_replace("'","\'",'$_foo = '.$_output.'; return $_foo;');
-           return "eval('".$_tmp."')";
-        } else {
-           return $_output; 
-        }
+        return $_output;
     }
 
     /**
@@ -2068,27 +2047,57 @@ class Smarty_Compiler extends Smarty {
                 break;
 
             case 'get':
-                $compiled_ref = ($this->request_use_auto_globals) ? '$_GET' : "\$GLOBALS['HTTP_GET_VARS']";
+                if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) {
+                    $this->_syntax_error("(secure mode) super global access not permitted",
+                                         E_USER_WARNING, __FILE__, __LINE__);
+                    return;
+                }
+                $compiled_ref = "\$_GET";
                 break;
 
             case 'post':
-                $compiled_ref = ($this->request_use_auto_globals) ? '$_POST' : "\$GLOBALS['HTTP_POST_VARS']";
+                if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) {
+                    $this->_syntax_error("(secure mode) super global access not permitted",
+                                         E_USER_WARNING, __FILE__, __LINE__);
+                    return;
+                }
+                $compiled_ref = "\$_POST";
                 break;
 
             case 'cookies':
-                $compiled_ref = ($this->request_use_auto_globals) ? '$_COOKIE' : "\$GLOBALS['HTTP_COOKIE_VARS']";
+                if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) {
+                    $this->_syntax_error("(secure mode) super global access not permitted",
+                                         E_USER_WARNING, __FILE__, __LINE__);
+                    return;
+                }
+                $compiled_ref = "\$_COOKIE";
                 break;
 
             case 'env':
-                $compiled_ref = ($this->request_use_auto_globals) ? '$_ENV' : "\$GLOBALS['HTTP_ENV_VARS']";
+                if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) {
+                    $this->_syntax_error("(secure mode) super global access not permitted",
+                                         E_USER_WARNING, __FILE__, __LINE__);
+                    return;
+                }
+                $compiled_ref = "\$_ENV";
                 break;
 
             case 'server':
-                $compiled_ref = ($this->request_use_auto_globals) ? '$_SERVER' : "\$GLOBALS['HTTP_SERVER_VARS']";
+                if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) {
+                    $this->_syntax_error("(secure mode) super global access not permitted",
+                                         E_USER_WARNING, __FILE__, __LINE__);
+                    return;
+                }
+                $compiled_ref = "\$_SERVER";
                 break;
 
             case 'session':
-                $compiled_ref = ($this->request_use_auto_globals) ? '$_SESSION' : "\$GLOBALS['HTTP_SESSION_VARS']";
+                if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) {
+                    $this->_syntax_error("(secure mode) super global access not permitted",
+                                         E_USER_WARNING, __FILE__, __LINE__);
+                    return;
+                }
+                $compiled_ref = "\$_SESSION";
                 break;
 
             /*
@@ -2096,8 +2105,13 @@ class Smarty_Compiler extends Smarty {
              * compiler.
              */
             case 'request':
+                if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) {
+                    $this->_syntax_error("(secure mode) super global access not permitted",
+                                         E_USER_WARNING, __FILE__, __LINE__);
+                    return;
+                }
                 if ($this->request_use_auto_globals) {
-                    $compiled_ref = '$_REQUEST';
+                    $compiled_ref = "\$_REQUEST";
                     break;
                 } else {
                     $this->_init_smarty_vars = true;
diff --git a/include/smarty/libs/plugins/function.math.php b/include/smarty/libs/plugins/function.math.php
index 71672fea4..bb78dac22 100644
--- a/include/smarty/libs/plugins/function.math.php
+++ b/include/smarty/libs/plugins/function.math.php
@@ -27,7 +27,8 @@ function smarty_function_math($params, &$smarty)
         return;
     }
 
-    $equation = $params['equation'];
+    // strip out backticks, not necessary for math
+    $equation = str_replace('`','',$params['equation']);
 
     // make sure parenthesis are balanced
     if (substr_count($equation,"(") != substr_count($equation,")")) {