From fa10e0945ecd45bfe78a2c8fb015a43092b4944b Mon Sep 17 00:00:00 2001
From: plegall <plg@piwigo.org>
Date: Thu, 10 Dec 2015 14:02:22 +0100
Subject: bug #385 update to smarty-3.1.28-dev (from Github)

---
 .../smarty/libs/plugins/function.html_image.php    | 68 ++++++++++++----------
 1 file changed, 36 insertions(+), 32 deletions(-)

(limited to 'include/smarty/libs/plugins/function.html_image.php')

diff --git a/include/smarty/libs/plugins/function.html_image.php b/include/smarty/libs/plugins/function.html_image.php
index 6521966bb..5037e8bd1 100644
--- a/include/smarty/libs/plugins/function.html_image.php
+++ b/include/smarty/libs/plugins/function.html_image.php
@@ -1,14 +1,13 @@
 <?php
 /**
  * Smarty plugin
- * 
- * @package Smarty
+ *
+ * @package    Smarty
  * @subpackage PluginsFunction
  */
 
 /**
  * Smarty {html_image} function plugin
- * 
  * Type:     function<br>
  * Name:     html_image<br>
  * Date:     Feb 24, 2003<br>
@@ -23,21 +22,24 @@
  * - basedir     - (optional) - base directory for absolute paths, default is environment variable DOCUMENT_ROOT
  * - path_prefix - prefix for path output (optional, default empty)
  * </pre>
- * 
- * @link http://www.smarty.net/manual/en/language.function.html.image.php {html_image}
- *      (Smarty online manual)
- * @author Monte Ohrt <monte at ohrt dot com> 
- * @author credits to Duda <duda@big.hu> 
+ *
+ * @link    http://www.smarty.net/manual/en/language.function.html.image.php {html_image}
+ *          (Smarty online manual)
+ * @author  Monte Ohrt <monte at ohrt dot com>
+ * @author  credits to Duda <duda@big.hu>
  * @version 1.0
+ *
  * @param array                    $params   parameters
  * @param Smarty_Internal_Template $template template object
- * @return string 
- * @uses smarty_function_escape_special_chars()
+ *
+ * @throws SmartyException
+ * @return string
+ * @uses    smarty_function_escape_special_chars()
  */
 function smarty_function_html_image($params, $template)
 {
     require_once(SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php');
- 
+
     $alt = '';
     $file = '';
     $height = '';
@@ -47,7 +49,7 @@ function smarty_function_html_image($params, $template)
     $suffix = '';
     $path_prefix = '';
     $basedir = isset($_SERVER['DOCUMENT_ROOT']) ? $_SERVER['DOCUMENT_ROOT'] : '';
-    foreach($params as $_key => $_val) {
+    foreach ($params as $_key => $_val) {
         switch ($_key) {
             case 'file':
             case 'height':
@@ -63,7 +65,7 @@ function smarty_function_html_image($params, $template)
                     $$_key = smarty_function_escape_special_chars($_val);
                 } else {
                     throw new SmartyException ("html_image: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
-                } 
+                }
                 break;
 
             case 'link':
@@ -77,41 +79,42 @@ function smarty_function_html_image($params, $template)
                     $extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_val) . '"';
                 } else {
                     throw new SmartyException ("html_image: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
-                } 
+                }
                 break;
-        } 
-    } 
+        }
+    }
 
     if (empty($file)) {
         trigger_error("html_image: missing 'file' parameter", E_USER_NOTICE);
+
         return;
-    } 
+    }
 
     if ($file[0] == '/') {
         $_image_path = $basedir . $file;
     } else {
         $_image_path = $file;
     }
-    
+
     // strip file protocol
     if (stripos($params['file'], 'file://') === 0) {
         $params['file'] = substr($params['file'], 7);
     }
-    
+
     $protocol = strpos($params['file'], '://');
     if ($protocol !== false) {
         $protocol = strtolower(substr($params['file'], 0, $protocol));
     }
-    
+
     if (isset($template->smarty->security_policy)) {
         if ($protocol) {
             // remote resource (or php stream, …)
-            if(!$template->smarty->security_policy->isTrustedUri($params['file'])) {
+            if (!$template->smarty->security_policy->isTrustedUri($params['file'])) {
                 return;
             }
         } else {
             // local file
-            if(!$template->smarty->security_policy->isTrustedResourceDir($params['file'])) {
+            if (!$template->smarty->security_policy->isTrustedResourceDir($_image_path)) {
                 return;
             }
         }
@@ -122,23 +125,26 @@ function smarty_function_html_image($params, $template)
         if (!$_image_data = @getimagesize($_image_path)) {
             if (!file_exists($_image_path)) {
                 trigger_error("html_image: unable to find '$_image_path'", E_USER_NOTICE);
+
                 return;
-            } else if (!is_readable($_image_path)) {
+            } elseif (!is_readable($_image_path)) {
                 trigger_error("html_image: unable to read '$_image_path'", E_USER_NOTICE);
+
                 return;
             } else {
                 trigger_error("html_image: '$_image_path' is not a valid image file", E_USER_NOTICE);
+
                 return;
-            } 
+            }
         }
 
         if (!isset($params['width'])) {
             $width = $_image_data[0];
-        } 
+        }
         if (!isset($params['height'])) {
             $height = $_image_data[1];
-        } 
-    } 
+        }
+    }
 
     if (isset($params['dpi'])) {
         if (strstr($_SERVER['HTTP_USER_AGENT'], 'Mac')) {
@@ -147,13 +153,11 @@ function smarty_function_html_image($params, $template)
             $dpi_default = 72;
         } else {
             $dpi_default = 96;
-        } 
+        }
         $_resize = $dpi_default / $params['dpi'];
         $width = round($width * $_resize);
         $height = round($height * $_resize);
-    } 
+    }
 
     return $prefix . '<img src="' . $path_prefix . $file . '" alt="' . $alt . '" width="' . $width . '" height="' . $height . '"' . $extra . ' />' . $suffix;
-} 
-
-?>
\ No newline at end of file
+}
-- 
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