From bc78866a8bd85840b289e42d3005007788ad38d6 Mon Sep 17 00:00:00 2001
From: jakubvrana <jakubvrana@7c3ca157-0c34-0410-bff1-cbf682f78f5c>
Date: Fri, 2 Oct 2009 14:25:18 +0000
Subject: [PATCH] Link URLs in select

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1163 7c3ca157-0c34-0410-bff1-cbf682f78f5c
---
 adminer/include/functions.inc.php | 9 +++++++++
 adminer/select.inc.php            | 3 +++
 changes.txt                       | 3 ++-
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/adminer/include/functions.inc.php b/adminer/include/functions.inc.php
index cf313325..53bc9e9f 100644
--- a/adminer/include/functions.inc.php
+++ b/adminer/include/functions.inc.php
@@ -501,6 +501,15 @@ function is_email($email) {
 	return eregi("^$atom+(\\.$atom+)*@($domain?\\.)+$domain\$", $email);
 }
 
+/** Check whether the string is URL address
+* @param string
+* @return bool
+*/
+function is_url($string) {
+	$domain = '[a-z0-9]([-a-z0-9]{0,61}[a-z0-9])'; // one domain component
+	return preg_match("~^https?://($domain?\\.)+$domain(:[0-9]+)?(/.*)?(\\?.*)?(#.*)?\$~i", $string); //! restrict path, query and fragment characters
+}
+
 /** Print header for hidden fieldset (close by </div></fieldset>)
 * @param string
 * @param string
diff --git a/adminer/select.inc.php b/adminer/select.inc.php
index ceca596c..d78ac68e 100644
--- a/adminer/select.inc.php
+++ b/adminer/select.inc.php
@@ -232,6 +232,9 @@ if (!$columns) {
 						if (!$link && is_email($val)) {
 							$link = "mailto:$val";
 						}
+						if (!$link && is_url($val)) {
+							$link = "http://www.adminer.org/redirect/?url=" . urlencode($val); // intermediate page to hide Referer
+						}
 						$val = $adminer->selectVal($val, $link, $field);
 						echo "<td>$val";
 					}
diff --git a/changes.txt b/changes.txt
index 4eef390b..d351bc9e 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,8 +1,9 @@
 Adminer 2.1.1-dev:
 Display table links above table structure
+Link URLs in select
+Display number of manipulated rows in JS confirm
 Fix removed default in ALTER
 Display whitespace in texts (bug #2858042)
-Display number of manipulated rows in JS confirm
 ClickJacking protection in modern browsers
 E-mail attachments (Editor)
 Optional year in date (Editor)