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/bootstrap.php |  224 +++++++++++++++++++++++++-------------------------------
 1 files changed, 100 insertions(+), 124 deletions(-)

diff --git a/program/lib/Roundcube/bootstrap.php b/program/lib/Roundcube/bootstrap.php
index 018701d..94e628b 100644
--- a/program/lib/Roundcube/bootstrap.php
+++ b/program/lib/Roundcube/bootstrap.php
@@ -1,11 +1,9 @@
 <?php
 
-/*
+/**
  +-----------------------------------------------------------------------+
- | program/include/bootstrap.php                                         |
- |                                                                       |
  | This file is part of the Roundcube PHP suite                          |
- | Copyright (C) 2005-2012, The Roundcube Dev Team                       |
+ | Copyright (C) 2005-2015, The Roundcube Dev Team                       |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
@@ -13,13 +11,11 @@
  |                                                                       |
  | CONTENTS:                                                             |
  |   Roundcube Framework Initialization                                  |
- |                                                                       |
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  | Author: Aleksander Machniak <alec@alec.pl>                            |
  +-----------------------------------------------------------------------+
 */
-
 
 /**
  * Roundcube Framework Initialization
@@ -29,31 +25,41 @@
  */
 
 $config = array(
-    'error_reporting'         => E_ALL &~ (E_NOTICE | E_STRICT),
+    'error_reporting'         => E_ALL & ~E_NOTICE & ~E_STRICT,
     // Some users are not using Installer, so we'll check some
     // critical PHP settings here. Only these, which doesn't provide
     // an error/warning in the logs later. See (#1486307).
     'mbstring.func_overload'  => 0,
-    'suhosin.session.encrypt' => 0,
-    'session.auto_start'      => 0,
-    'file_uploads'            => 1,
-    'magic_quotes_runtime'    => 0,
-    'magic_quotes_sybase'     => 0, // #1488506
+    'magic_quotes_runtime'    => false,
+    'magic_quotes_sybase'     => false, // #1488506
 );
+
+// check these additional ini settings if not called via CLI
+if (php_sapi_name() != 'cli') {
+    $config += array(
+        'suhosin.session.encrypt' => false,
+        'file_uploads'            => true,
+    );
+}
+
 foreach ($config as $optname => $optval) {
-    if ($optval != ini_get($optname) && @ini_set($optname, $optval) === false) {
-        die("ERROR: Wrong '$optname' option value and it wasn't possible to set it to required value ($optval).\n"
-            ."Check your PHP configuration (including php_admin_flag).");
+    $ini_optval = filter_var(ini_get($optname), is_bool($optval) ? FILTER_VALIDATE_BOOLEAN : FILTER_VALIDATE_INT);
+    if ($optval != $ini_optval && @ini_set($optname, $optval) === false) {
+        $optval = !is_bool($optval) ? $optval : ($optval ? 'On' : 'Off');
+        $error  = "ERROR: Wrong '$optname' option value and it wasn't possible to set it to required value ($optval).\n"
+            . "Check your PHP configuration (including php_admin_flag).";
+
+        if (defined('STDERR')) fwrite(STDERR, $error); else echo $error;
+        exit(1);
     }
 }
 
-// application constants
-define('RCMAIL_VERSION', '0.9-git');
-define('RCMAIL_CHARSET', 'UTF-8');
-define('RCMAIL_START', microtime(true));
+// framework constants
+define('RCUBE_VERSION', '1.2-git');
+define('RCUBE_CHARSET', 'UTF-8');
 
 if (!defined('RCUBE_LIB_DIR')) {
-    define('RCUBE_LIB_DIR', dirname(__FILE__).'/');
+    define('RCUBE_LIB_DIR', __DIR__ . '/');
 }
 
 if (!defined('RCUBE_INSTALL_PATH')) {
@@ -61,7 +67,7 @@
 }
 
 if (!defined('RCUBE_CONFIG_DIR')) {
-    define('RCUBE_CONFIG_DIR', RCUBE_INSTALL_PATH . 'config');
+    define('RCUBE_CONFIG_DIR', RCUBE_INSTALL_PATH . 'config/');
 }
 
 if (!defined('RCUBE_PLUGINS_DIR')) {
@@ -73,44 +79,66 @@
 }
 
 // set internal encoding for mbstring extension
-if (extension_loaded('mbstring')) {
-    mb_internal_encoding(RCMAIL_CHARSET);
-    @mb_regex_encoding(RCMAIL_CHARSET);
+if (function_exists('mb_internal_encoding')) {
+    mb_internal_encoding(RCUBE_CHARSET);
+}
+if (function_exists('mb_regex_encoding')) {
+    mb_regex_encoding(RCUBE_CHARSET);
+}
+
+// make sure the Roundcube lib directory is in the include_path
+$rcube_path = realpath(RCUBE_LIB_DIR . '..');
+$sep        = PATH_SEPARATOR;
+$regexp     = "!(^|$sep)" . preg_quote($rcube_path, '!') . "($sep|\$)!";
+$path       = ini_get('include_path');
+
+if (!preg_match($regexp, $path)) {
+    set_include_path($path . PATH_SEPARATOR . $rcube_path);
 }
 
 // Register autoloader
 spl_autoload_register('rcube_autoload');
 
 // set PEAR error handling (will also load the PEAR main class)
-PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'rcube_pear_error');
-
+if (class_exists('PEAR')) {
+    @PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'rcube_pear_error');
+}
 
 
 /**
- * Similar function as in_array() but case-insensitive
+ * Similar function as in_array() but case-insensitive with multibyte support.
  *
- * @param string $needle    Needle value
- * @param array  $heystack  Array to search in
+ * @param string $needle   Needle value
+ * @param array  $heystack Array to search in
  *
  * @return boolean True if found, False if not
  */
 function in_array_nocase($needle, $haystack)
 {
-    $needle = mb_strtolower($needle);
-    foreach ((array)$haystack as $value) {
-        if ($needle === mb_strtolower($value)) {
-            return true;
+    // use much faster method for ascii
+    if (is_ascii($needle)) {
+        foreach ((array) $haystack as $value) {
+            if (strcasecmp($value, $needle) === 0) {
+                return true;
+            }
+        }
+    }
+    else {
+        $needle = mb_strtolower($needle);
+        foreach ((array) $haystack as $value) {
+            if ($needle === mb_strtolower($value)) {
+                return true;
+            }
         }
     }
 
     return false;
 }
 
-
 /**
  * Parse a human readable string for a number of bytes.
  *
- * @param string $str  Input string
+ * @param string $str Input string
  *
  * @return float Number of bytes
  */
@@ -141,7 +169,6 @@
     return floatval($bytes);
 }
 
-
 /**
  * Make sure the string ends with a slash
  */
@@ -149,7 +176,6 @@
 {
   return unslashify($str).'/';
 }
-
 
 /**
  * Remove slashes at the end of the string
@@ -159,11 +185,10 @@
   return preg_replace('/\/+$/', '', $str);
 }
 
-
 /**
  * Returns number of seconds for a specified offset string.
  *
- * @param string $str  String representation of the offset (e.g. 20min, 5h, 2days, 1week)
+ * @param string $str String representation of the offset (e.g. 20min, 5h, 2days, 1week)
  *
  * @return int Number of seconds
  */
@@ -192,20 +217,18 @@
     return $amount;
 }
 
-
 /**
  * Create a unix timestamp with a specified offset from now.
  *
- * @param string $offset_str  String representation of the offset (e.g. 20min, 5h, 2days)
- * @param int    $factor      Factor to multiply with the offset
+ * @param string $offset_str String representation of the offset (e.g. 20min, 5h, 2days)
+ * @param int    $factor     Factor to multiply with the offset
  *
  * @return int Unix timestamp
  */
-function get_offset_time($offset_str, $factor=1)
+function get_offset_time($offset_str, $factor = 1)
 {
     return time() + get_offset_sec($offset_str) * $factor;
 }
-
 
 /**
  * Truncate string if it is longer than the allowed length.
@@ -218,7 +241,7 @@
  *
  * @return string Abbreviated string
  */
-function abbreviate_string($str, $maxlength, $placeholder='...', $ending=false)
+function abbreviate_string($str, $maxlength, $placeholder = '...', $ending = false)
 {
     $length = mb_strlen($str);
 
@@ -231,17 +254,18 @@
         $first_part_length  = floor(($maxlength - $placeholder_length)/2);
         $second_starting_location = $length - $maxlength + $first_part_length + $placeholder_length;
 
-        $str = mb_substr($str, 0, $first_part_length) . $placeholder . mb_substr($str, $second_starting_location);
+        $prefix = mb_substr($str, 0, $first_part_length);
+        $suffix = mb_substr($str, $second_starting_location);
+        $str    = $prefix . $placeholder . $suffix;
     }
 
     return $str;
 }
 
-
 /**
  * Get all keys from array (recursive).
  *
- * @param array $array  Input array
+ * @param array $array Input array
  *
  * @return array List of array keys
  */
@@ -261,7 +285,6 @@
     return $keys;
 }
 
-
 /**
  * Remove all non-ascii and non-word chars except ., -, _
  */
@@ -270,7 +293,6 @@
     $allowed = 'a-z0-9\_\-' . (!$css_id ? '\.' : '');
     return preg_replace("/[^$allowed]/i", $replace_with, $str);
 }
-
 
 /**
  * Check if a string contains only ascii characters
@@ -286,38 +308,11 @@
     return preg_match($regexp, $str) ? false : true;
 }
 
-
-/**
- * Remove single and double quotes from a given string
- *
- * @param string Input value
- *
- * @return string Dequoted string
- */
-function strip_quotes($str)
-{
-    return str_replace(array("'", '"'), '', $str);
-}
-
-
-/**
- * Remove new lines characters from given string
- *
- * @param string $str  Input value
- *
- * @return string Stripped string
- */
-function strip_newlines($str)
-{
-    return preg_replace('/[\r\n]/', '', $str);
-}
-
-
 /**
  * Compose a valid representation of name and e-mail address
  *
- * @param string $email  E-mail address
- * @param string $name   Person name
+ * @param string $email E-mail address
+ * @param string $name  Person name
  *
  * @return string Formatted string
  */
@@ -336,7 +331,6 @@
 
     return $email;
 }
-
 
 /**
  * Format e-mail address
@@ -360,41 +354,20 @@
     return $email;
 }
 
-
 /**
- * mbstring replacement functions
+ * Fix version number so it can be used correctly in version_compare()
+ *
+ * @param string $version Version number string
+ *
+ * @param return Version number string
  */
-if (!extension_loaded('mbstring'))
+function version_parse($version)
 {
-    function mb_strlen($str)
-    {
-        return strlen($str);
-    }
-
-    function mb_strtolower($str)
-    {
-        return strtolower($str);
-    }
-
-    function mb_strtoupper($str)
-    {
-        return strtoupper($str);
-    }
-
-    function mb_substr($str, $start, $len=null)
-    {
-        return substr($str, $start, $len);
-    }
-
-    function mb_strpos($haystack, $needle, $offset=0)
-    {
-        return strpos($haystack, $needle, $offset);
-    }
-
-    function mb_strrpos($haystack, $needle, $offset=0)
-    {
-        return strrpos($haystack, $needle, $offset);
-    }
+    return str_replace(
+        array('-stable', '-git'),
+        array('.0', '.99'),
+        $version
+    );
 }
 
 /**
@@ -403,12 +376,12 @@
 
 if (!function_exists('idn_to_utf8'))
 {
-    function idn_to_utf8($domain, $flags=null)
+    function idn_to_utf8($domain)
     {
         static $idn, $loaded;
 
         if (!$loaded) {
-            $idn = new Net_IDNA2();
+            $idn    = new Net_IDNA2();
             $loaded = true;
         }
 
@@ -419,18 +392,19 @@
             catch (Exception $e) {
             }
         }
+
         return $domain;
     }
 }
 
 if (!function_exists('idn_to_ascii'))
 {
-    function idn_to_ascii($domain, $flags=null)
+    function idn_to_ascii($domain)
     {
         static $idn, $loaded;
 
         if (!$loaded) {
-            $idn = new Net_IDNA2();
+            $idn    = new Net_IDNA2();
             $loaded = true;
         }
 
@@ -441,6 +415,7 @@
             catch (Exception $e) {
             }
         }
+
         return $domain;
     }
 }
@@ -459,16 +434,14 @@
             '/Net_(.+)/',
             '/Auth_(.+)/',
             '/^html_.+/',
-            '/^rcube(.*)/',
-            '/^utf8$/',
+            '/^rcube(.*)/'
         ),
         array(
             'Mail/\\1',
             'Net/\\1',
             'Auth/\\1',
             'Roundcube/html',
-            'Roundcube/rcube\\1',
-            'utf8.class',
+            'Roundcube/rcube\\1'
         ),
         $classname
     );
@@ -487,8 +460,11 @@
  */
 function rcube_pear_error($err)
 {
-    error_log(sprintf("%s (%s): %s",
-        $err->getMessage(),
-        $err->getCode(),
-        $err->getUserinfo()), 0);
+    $msg = sprintf("ERROR: %s (%s)", $err->getMessage(), $err->getCode());
+
+    if ($info = $err->getUserinfo()) {
+        $msg .= ': ' . $info;
+    }
+
+    error_log($msg, 0);
 }

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