From e8d5bdc84ecfdf6fe5008655215a258bbdf0c521 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Thu, 03 Feb 2011 08:58:07 -0500
Subject: [PATCH] - Fix IDNA support when IDN/INTL modules are in use (#1487742)
---
program/include/rcube_string_replacer.php | 73 ++++++++++++++++++++++++++++++------
1 files changed, 60 insertions(+), 13 deletions(-)
diff --git a/program/include/rcube_string_replacer.php b/program/include/rcube_string_replacer.php
index 962ea04..28e1300 100644
--- a/program/include/rcube_string_replacer.php
+++ b/program/include/rcube_string_replacer.php
@@ -5,7 +5,7 @@
| program/include/rcube_string_replacer.php |
| |
| This file is part of the Roundcube Webmail client |
- | Copyright (C) 2009, Roundcube Dev. - Switzerland |
+ | Copyright (C) 2009, The Roundcube Dev Team |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
@@ -35,13 +35,16 @@
function __construct()
{
- $url_chars = 'a-z0-9_\-\+\*\$\/&%=@#:;';
- $url_chars_within = '\?\.~,!';
+ // Simplified domain expression for UTF8 characters handling
+ $utf_domain = '[^?&@"\'\\/()\s\r\t\n]+\\.[a-z]{2,5}';
+ $url1 = '.:;';
+ $url2 = 'a-z0-9%=#@+?&\\/_~\\[\\]-';
- $this->link_pattern = "/([\w]+:\/\/|\Wwww\.)([a-z0-9\-\.]+[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/i";
+ $this->link_pattern = "/([\w]+:\/\/|\Wwww\.)($utf_domain([$url1]?[$url2]+)*)/i";
$this->mailto_pattern = "/("
."[-\w!\#\$%&\'*+~\/^`|{}=]+(?:\.[-\w!\#\$%&\'*+~\/^`|{}=]+)*" // local-part
- ."@([a-z0-9]([-a-z0-9]*[a-z0-9])?\\.)+[a-z]{2,5}" // domain-part
+ ."@$utf_domain" // domain-part
+ ."(\?[$url1$url2]+)?" // e.g. ?subject=test...
.")/i";
}
@@ -79,11 +82,19 @@
if (preg_match('!^(http|ftp|file)s?://!', $scheme)) {
$url = $matches[1] . $matches[2];
- $i = $this->add(html::a(array('href' => $url, 'target' => '_blank'), Q($url)));
}
else if (preg_match('/^(\W)www\.$/', $matches[1], $m)) {
- $url = 'www.' . $matches[2];
- $i = $this->add($m[1] . html::a(array('href' => 'http://' . $url, 'target' => '_blank'), Q($url)));
+ $url = 'www.' . $matches[2];
+ $url_prefix = 'http://';
+ $prefix = $m[1];
+ }
+
+ if ($url) {
+ $suffix = $this->parse_url_brackets($url);
+ $i = $this->add($prefix . html::a(array(
+ 'href' => $url_prefix . $url,
+ 'target' => '_blank'
+ ), Q($url)) . $suffix);
}
// Return valid link for recognized schemes, otherwise, return the unmodified string for unrecognized schemes.
@@ -98,11 +109,13 @@
*/
public function mailto_callback($matches)
{
+ $href = $matches[1];
+ $suffix = $this->parse_url_brackets($href);
+
$i = $this->add(html::a(array(
- 'href' => 'mailto:' . $matches[1],
- 'onclick' => "return ".JS_OBJECT_NAME.".command('compose','".JQ($matches[1])."',this)",
- ),
- Q($matches[1])));
+ 'href' => 'mailto:' . $href,
+ 'onclick' => "return ".JS_OBJECT_NAME.".command('compose','".JQ($href)."',this)",
+ ), Q($href)) . $suffix);
return $i >= 0 ? $this->get_replacement($i) : '';
}
@@ -127,4 +140,38 @@
return preg_replace_callback(self::$pattern, array($this, 'replace_callback'), $str);
}
-}
\ No newline at end of file
+ /**
+ * Fixes bracket characters in URL handling
+ */
+ public static function parse_url_brackets(&$url)
+ {
+ // #1487672: special handling of square brackets,
+ // URL regexp allows [] characters in URL, for example:
+ // "http://example.com/?a[b]=c". However we need to handle
+ // properly situation when a bracket is placed at the end
+ // of the link e.g. "[http://example.com]"
+ if (preg_match('/(\\[|\\])/', $url)) {
+ $in = false;
+ for ($i=0, $len=strlen($url); $i<$len; $i++) {
+ if ($url[$i] == '[') {
+ if ($in)
+ break;
+ $in = true;
+ }
+ else if ($url[$i] == ']') {
+ if (!$in)
+ break;
+ $in = false;
+ }
+ }
+
+ if ($i<$len) {
+ $suffix = substr($url, $i);
+ $url = substr($url, 0, $i);
+ }
+ }
+
+ return $suffix;
+ }
+
+}
--
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