From ed1d212ae2daea5e4bd043417610177093e99f19 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sat, 16 Jan 2016 03:03:51 -0500
Subject: [PATCH] Improved SVG cleanup code

---
 program/lib/Roundcube/rcube_output.php |  175 +++++++++++++++++++++++++++------------------------------
 1 files changed, 83 insertions(+), 92 deletions(-)

diff --git a/program/lib/Roundcube/rcube_output.php b/program/lib/Roundcube/rcube_output.php
index f7ac300..5df6721 100644
--- a/program/lib/Roundcube/rcube_output.php
+++ b/program/lib/Roundcube/rcube_output.php
@@ -1,18 +1,16 @@
 <?php
 
-/*
+/**
  +-----------------------------------------------------------------------+
- | program/include/rcube_output.php                                      |
- |                                                                       |
  | This file is part of the Roundcube PHP suite                          |
- | Copyright (C) 2005-2012 The Roundcube Dev Team                        |
+ | Copyright (C) 2005-2014 The Roundcube Dev Team                        |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
  | See the README file for a full license statement.                     |
+ |                                                                       |
  | CONTENTS:                                                             |
  |   Abstract class for output generation                                |
- |                                                                       |
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  | Author: Aleksander Machniak <alec@alec.pl>                            |
@@ -28,51 +26,38 @@
 abstract class rcube_output
 {
     public $browser;
-    public $type = 'html';
-    public $ajax_call = false;
-    public $framed = false;
 
     protected $app;
     protected $config;
-    protected $charset = RCMAIL_CHARSET;
+    protected $charset = RCUBE_CHARSET;
     protected $env = array();
-    protected $pagetitle = '';
-    protected $object_handlers = array();
+    protected $skins = array();
 
 
     /**
      * Object constructor
      */
-    public function __construct($task = null, $framed = false)
+    public function __construct()
     {
         $this->app     = rcube::get_instance();
         $this->config  = $this->app->config;
         $this->browser = new rcube_browser();
     }
 
-
     /**
      * Magic getter
      */
     public function __get($var)
     {
-        // allow read-only access to $env
-        if ($var == 'env')
-            return $this->env;
+        // allow read-only access to some members
+        switch ($var) {
+            case 'env':     return $this->env;
+            case 'skins':   return $this->skins;
+            case 'charset': return $this->charset;
+        }
 
         return null;
     }
-
-    /**
-     * Setter for page title
-     *
-     * @param string $title Page title
-     */
-    public function set_pagetitle($title)
-    {
-        $this->pagetitle = $title;
-    }
-
 
     /**
      * Setter for output charset.
@@ -85,7 +70,6 @@
         $this->charset = $charset;
     }
 
-
     /**
      * Getter for output charset
      *
@@ -95,16 +79,6 @@
     {
         return $this->charset;
     }
-
-
-    /**
-     * Getter for the current skin path property
-     */
-    public function get_skin_path()
-    {
-        return $this->config->get('skin_path');
-    }
-
 
     /**
      * Set environment variable
@@ -116,7 +90,6 @@
     {
         $this->env[$name] = $value;
     }
-
 
     /**
      * Environment variable getter.
@@ -130,32 +103,13 @@
         return $this->env[$name];
     }
 
-
     /**
      * Delete all stored env variables and commands
      */
     public function reset()
     {
         $this->env = array();
-        $this->object_handlers = array();
-        $this->pagetitle = '';
     }
-
-
-    /**
-     * Call a client method
-     *
-     * @param string Method to call
-     * @param ... Additional arguments
-     */
-    abstract function command();
-
-
-    /**
-     * Add a localized label to the client environment
-     */
-    abstract function add_label();
-
 
     /**
      * Invoke display_message command
@@ -168,7 +122,6 @@
      */
     abstract function show_message($message, $type = 'notice', $vars = null, $override = true, $timeout = 0);
 
-
     /**
      * Redirect to a certain url.
      *
@@ -177,37 +130,10 @@
      */
     abstract function redirect($p = array(), $delay = 1);
 
-
     /**
      * Send output to the client.
      */
     abstract function send();
-
-
-    /**
-     * Register a template object handler
-     *
-     * @param  string Object name
-     * @param  string Function name to call
-     * @return void
-     */
-    public function add_handler($obj, $func)
-    {
-        $this->object_handlers[$obj] = $func;
-    }
-
-
-    /**
-     * Register a list of template object handlers
-     *
-     * @param  array Hash array with object=>handler pairs
-     * @return void
-     */
-    public function add_handlers($arr)
-    {
-        $this->object_handlers = array_merge($this->object_handlers, $arr);
-    }
-
 
     /**
      * Send HTTP headers to prevent caching a page
@@ -221,16 +147,13 @@
         header("Expires: ".gmdate("D, d M Y H:i:s")." GMT");
         header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
 
-        // Request browser to disable DNS prefetching (CVE-2010-0464)
-        header("X-DNS-Prefetch-Control: off");
-
         // We need to set the following headers to make downloads work using IE in HTTPS mode.
         if ($this->browser->ie && rcube_utils::https_check()) {
             header('Pragma: private');
             header("Cache-Control: private, must-revalidate");
         }
         else {
-            header("Cache-Control: private, no-cache, must-revalidate, post-check=0, pre-check=0");
+            header("Cache-Control: private, no-cache, no-store, must-revalidate, post-check=0, pre-check=0");
             header("Pragma: no-cache");
         }
     }
@@ -242,14 +165,32 @@
      */
     public function future_expire_header($offset = 2600000)
     {
-        if (headers_sent())
+        if (headers_sent()) {
             return;
+        }
 
         header("Expires: " . gmdate("D, d M Y H:i:s", time()+$offset) . " GMT");
         header("Cache-Control: max-age=$offset");
         header("Pragma: ");
     }
 
+    /**
+     * Send browser compatibility/security/etc. headers
+     */
+    public function common_headers()
+    {
+        if (headers_sent()) {
+            return;
+        }
+
+        // Unlock IE compatibility mode
+        if ($this->browser->ie) {
+            header('X-UA-Compatible: IE=edge');
+        }
+
+        // Request browser to disable DNS prefetching (CVE-2010-0464)
+        header("X-DNS-Prefetch-Control: off");
+    }
 
     /**
      * Show error page and terminate script execution
@@ -264,6 +205,57 @@
         exit(-1);
     }
 
+    /**
+     * Create an edit field for inclusion on a form
+     *
+     * @param string col field name
+     * @param string value field value
+     * @param array attrib HTML element attributes for field
+     * @param string type HTML element type (default 'text')
+     *
+     * @return string HTML field definition
+     */
+    public static function get_edit_field($col, $value, $attrib, $type = 'text')
+    {
+        static $colcounts = array();
+
+        $fname = '_'.$col;
+        $attrib['name']  = $fname . ($attrib['array'] ? '[]' : '');
+        $attrib['class'] = trim($attrib['class'] . ' ff_' . $col);
+
+        if ($type == 'checkbox') {
+            $attrib['value'] = '1';
+            $input = new html_checkbox($attrib);
+        }
+        else if ($type == 'textarea') {
+            $attrib['cols'] = $attrib['size'];
+            $input = new html_textarea($attrib);
+        }
+        else if ($type == 'select') {
+            $input = new html_select($attrib);
+            $input->add('---', '');
+            $input->add(array_values($attrib['options']), array_keys($attrib['options']));
+        }
+        else if ($attrib['type'] == 'password') {
+            $input = new html_passwordfield($attrib);
+        }
+        else {
+            if ($attrib['type'] != 'text' && $attrib['type'] != 'hidden') {
+                $attrib['type'] = 'text';
+            }
+            $input = new html_inputfield($attrib);
+        }
+
+        // use value from post
+        if (isset($_POST[$fname])) {
+            $postvalue = rcube_utils::get_input_value($fname, rcube_utils::INPUT_POST, true);
+            $value = $attrib['array'] ? $postvalue[intval($colcounts[$col]++)] : $postvalue;
+        }
+
+        $out = $input->show($value);
+
+        return $out;
+    }
 
     /**
      * Convert a variable into a javascript object notation
@@ -280,5 +272,4 @@
         // that's why we have @ here
         return @json_encode($input);
     }
-
 }

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