From 9d78c68cbf5ce86f02e8fa16814293cdfd204432 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 29 Jul 2015 14:38:21 -0400
Subject: [PATCH] Fix so imap folder attribute comparisons are case-insensitive (#1490466) + make in_array_nocase() much faster for ASCII strings

---
 program/lib/Roundcube/bootstrap.php |  102 +++++++++++++++++----------------------------------
 1 files changed, 34 insertions(+), 68 deletions(-)

diff --git a/program/lib/Roundcube/bootstrap.php b/program/lib/Roundcube/bootstrap.php
index af87beb..2e5d9e6 100644
--- a/program/lib/Roundcube/bootstrap.php
+++ b/program/lib/Roundcube/bootstrap.php
@@ -1,9 +1,9 @@
 <?php
 
-/*
+/**
  +-----------------------------------------------------------------------+
  | This file is part of the Roundcube PHP suite                          |
- | Copyright (C) 2005-2014, 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.                |
@@ -16,7 +16,6 @@
  | Author: Aleksander Machniak <alec@alec.pl>                            |
  +-----------------------------------------------------------------------+
 */
-
 
 /**
  * Roundcube Framework Initialization
@@ -54,7 +53,7 @@
 }
 
 // framework constants
-define('RCUBE_VERSION', '1.1-git');
+define('RCUBE_VERSION', '1.2-git');
 define('RCUBE_CHARSET', 'UTF-8');
 
 if (!defined('RCUBE_LIB_DIR')) {
@@ -78,9 +77,11 @@
 }
 
 // set internal encoding for mbstring extension
-if (extension_loaded('mbstring')) {
+if (function_exists('mb_internal_encoding')) {
     mb_internal_encoding(RCUBE_CHARSET);
-    @mb_regex_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
@@ -97,30 +98,40 @@
 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.
@@ -156,7 +167,6 @@
     return floatval($bytes);
 }
 
-
 /**
  * Make sure the string ends with a slash
  */
@@ -165,7 +175,6 @@
   return unslashify($str).'/';
 }
 
-
 /**
  * Remove slashes at the end of the string
  */
@@ -173,7 +182,6 @@
 {
   return preg_replace('/\/+$/', '', $str);
 }
-
 
 /**
  * Returns number of seconds for a specified offset string.
@@ -207,7 +215,6 @@
     return $amount;
 }
 
-
 /**
  * Create a unix timestamp with a specified offset from now.
  *
@@ -220,7 +227,6 @@
 {
     return time() + get_offset_sec($offset_str) * $factor;
 }
-
 
 /**
  * Truncate string if it is longer than the allowed length.
@@ -252,7 +258,6 @@
     return $str;
 }
 
-
 /**
  * Get all keys from array (recursive).
  *
@@ -276,7 +281,6 @@
     return $keys;
 }
 
-
 /**
  * Remove all non-ascii and non-word chars except ., -, _
  */
@@ -285,7 +289,6 @@
     $allowed = 'a-z0-9\_\-' . (!$css_id ? '\.' : '');
     return preg_replace("/[^$allowed]/i", $replace_with, $str);
 }
-
 
 /**
  * Check if a string contains only ascii characters
@@ -300,7 +303,6 @@
     $regexp = $control_chars ? '/[^\x00-\x7F]/' : '/[^\x20-\x7E]/';
     return preg_match($regexp, $str) ? false : true;
 }
-
 
 /**
  * Compose a valid representation of name and e-mail address
@@ -326,7 +328,6 @@
     return $email;
 }
 
-
 /**
  * Format e-mail address
  *
@@ -349,7 +350,6 @@
     return $email;
 }
 
-
 /**
  * Fix version number so it can be used correctly in version_compare()
  *
@@ -363,43 +363,6 @@
         array('-stable', '-git'),
         array('.0', '.99'),
         $version);
-}
-
-
-/**
- * mbstring replacement functions
- */
-if (!extension_loaded('mbstring'))
-{
-    function mb_strlen($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);
-    }
 }
 
 /**
@@ -490,8 +453,11 @@
  */
 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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