Refs #2463: Added url normalization support to output/url, output/confirmlink. Enhanced normalization to take care of urls like "example.com"

git-svn-id: http://code.elgg.org/elgg/trunk@7199 36083f99-b078-4883-b0ff-0f9b5a30f544

3 files changed, 13 insertions, 6 deletions

diff --git a/engine/lib/output.php b/engine/lib/output.php
index 335a53ac4..35ace7c09 100644
--- a/engine/lib/output.php
+++ b/engine/lib/output.php
@@ -155,11 +155,20 @@ function elgg_format_url($url) {
  * @return string The absolute url
  */
 function elgg_normalize_url($url) {
+	// 'http://example.com', 'https://example.com', '//example.com'
 	if (preg_match("#^(https?:)?//#i", $url)) {
 		return $url;
-	}
+	} 
+	
+	// 'example.com', 'example.com/subpage'
+	elseif (preg_match("#[^/]*\.[^/]*/?#i", $url)) {
+		return "http://$url";
+	} 
 	
-	return elgg_get_site_url().$url;
+	// 'pg/page/handler'
+	else {
+		return elgg_get_site_url().$url;
+	}
 }
 
 /**
diff --git a/views/default/output/confirmlink.php b/views/default/output/confirmlink.php
index d7bb5c56f..4d1bc0ab9 100644
--- a/views/default/output/confirmlink.php
+++ b/views/default/output/confirmlink.php
@@ -18,7 +18,7 @@ if (!$confirm) {
 }
 
 // always generate missing action tokens
-$link = elgg_add_action_tokens_to_url($vars['href']);
+$link = elgg_add_action_tokens_to_url(elgg_normalize_url($vars['href']));
 
 if (isset($vars['class']) && $vars['class']) {
 	$class = 'class="' . $vars['class'] . '"';
diff --git a/views/default/output/url.php b/views/default/output/url.php
index 9dd0bf3f5..2a01e32d0 100644
--- a/views/default/output/url.php
+++ b/views/default/output/url.php
@@ -51,9 +51,7 @@ if (!empty($url)) {
 		$text = htmlentities($url, ENT_QUOTES, 'UTF-8');
 	}
 
-	if ((substr_count($url, "http://") == 0) && (substr_count($url, "https://") == 0)) {
-		$url = "http://" . $url;
-	}
+	$url = elgg_normalize_url($url);
 
 	if (isset($vars['is_action'])) {
 		$url = elgg_add_action_tokens_to_url($url);