From ce7b0b6480aa854ee6893f5c889277b0e3b13efc Mon Sep 17 00:00:00 2001
From: ArthurHoaro <arthur@hoa.ro>
Date: Wed, 6 Apr 2016 22:00:52 +0200
Subject: Fixes #531 - Title retrieving is failing with multiple use case

see https://github.com/shaarli/Shaarli/issues/531 for details
---
 application/Url.php | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

(limited to 'application/Url.php')

diff --git a/application/Url.php b/application/Url.php
index af38c4d9..61a30a78 100644
--- a/application/Url.php
+++ b/application/Url.php
@@ -62,7 +62,21 @@ function add_trailing_slash($url)
 {
     return $url . (!endsWith($url, '/') ? '/' : '');
 }
+/**
+ * Converts an URL with an IDN host to a ASCII one.
+ *
+ * @param string $url Input URL.
+ *
+ * @return string converted URL.
+ */
+function url_with_idn_to_ascii($url)
+{
+    $parts = parse_url($url);
+    $parts['host'] = idn_to_ascii($parts['host']);
 
+    $httpUrl = new \http\Url($parts);
+    return $httpUrl->toString();
+}
 /**
  * URL representation and cleanup utilities
  *
@@ -220,6 +234,22 @@ class Url
         return $this->toString();
     }
 
+    /**
+     * Converts an URL with an International Domain Name host to a ASCII one.
+     * This requires PHP-intl. If it's not available, just returns this->cleanup().
+     *
+     * @return string converted cleaned up URL.
+     */
+    public function indToAscii()
+    {
+        $out = $this->cleanup();
+        if (! function_exists('idn_to_ascii') || ! isset($this->parts['host'])) {
+            return $out;
+        }
+        $asciiHost = idn_to_ascii($this->parts['host']);
+        return str_replace($this->parts['host'], $asciiHost, $out);
+    }
+
     /**
      * Get URL scheme.
      *
@@ -232,6 +262,18 @@ class Url
         return $this->parts['scheme'];
     }
 
+    /**
+     * Get URL host.
+     *
+     * @return string the URL host or false if none is provided.
+     */
+    public function getHost() {
+        if (empty($this->parts['host'])) {
+            return false;
+        }
+        return $this->parts['host'];
+    }
+
     /**
      * Test if the Url is an HTTP one.
      *
-- 
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