1 files changed, 184 insertions, 0 deletions
diff --git a/3rdparty/ZendFeed/Uri.php b/3rdparty/ZendFeed/Uri.php
new file mode 100644
index 000000000..940bce11a
--- /dev/null
+++ b/3rdparty/ZendFeed/Uri.php
@@ -0,0 +1,184 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed;
+
+class Uri
+{
+    /**
+     * @var string
+     */
+    protected $fragment;
+
+    /**
+     * @var string
+     */
+    protected $host;
+
+    /**
+     * @var string
+     */
+    protected $pass;
+
+    /**
+     * @var string
+     */
+    protected $path;
+
+    /**
+     * @var int
+     */
+    protected $port;
+
+    /**
+     * @var string
+     */
+    protected $query;
+
+    /**
+     * @var string
+     */
+    protected $scheme;
+
+    /**
+     * @var string
+     */
+    protected $user;
+
+    /**
+     * @var bool
+     */
+    protected $valid;
+
+    /**
+     * Valid schemes
+     */
+    protected $validSchemes = array(
+        'http',
+        'https',
+        'file',
+    );
+
+    /**
+     * @param  string $uri
+     */
+    public function __construct($uri)
+    {
+        $parsed = parse_url($uri);
+        if (false === $parsed) {
+            $this->valid = false;
+            return;
+        }
+
+        $this->scheme   = isset($parsed['scheme'])   ? $parsed['scheme']   : null;
+        $this->host     = isset($parsed['host'])     ? $parsed['host']     : null;
+        $this->port     = isset($parsed['port'])     ? $parsed['port']     : null;
+        $this->user     = isset($parsed['user'])     ? $parsed['user']     : null;
+        $this->pass     = isset($parsed['pass'])     ? $parsed['pass']     : null;
+        $this->path     = isset($parsed['path'])     ? $parsed['path']     : null;
+        $this->query    = isset($parsed['query'])    ? $parsed['query']    : null;
+        $this->fragment = isset($parsed['fragment']) ? $parsed['fragment'] : null;
+    }
+
+    /**
+     * Create an instance
+     *
+     * Useful for chained validations
+     *
+     * @param  string $uri
+     * @return self
+     */
+    public static function factory($uri)
+    {
+        return new static($uri);
+    }
+
+    /**
+     * Retrieve the host
+     *
+     * @return string
+     */
+    public function getHost()
+    {
+        return $this->host;
+    }
+
+    /**
+     * Retrieve the URI path
+     *
+     * @return string
+     */
+    public function getPath()
+    {
+        return $this->path;
+    }
+
+    /**
+     * Retrieve the scheme
+     *
+     * @return string
+     */
+    public function getScheme()
+    {
+        return $this->scheme;
+    }
+
+    /**
+     * Is the URI valid?
+     *
+     * @return bool
+     */
+    public function isValid()
+    {
+        if (false === $this->valid) {
+            return false;
+        }
+
+        if ($this->scheme && !in_array($this->scheme, $this->validSchemes)) {
+            return false;
+        }
+
+        if ($this->host) {
+            if ($this->path && substr($this->path, 0, 1) != '/') {
+                return false;
+            }
+            return true;
+        }
+
+        // no host, but user and/or port... what?
+        if ($this->user || $this->port) {
+            return false;
+        }
+
+        if ($this->path) {
+            // Check path-only (no host) URI
+            if (substr($this->path, 0, 2) == '//') {
+                return false;
+            }
+            return true;
+        }
+
+        if (! ($this->query || $this->fragment)) {
+            // No host, path, query or fragment - this is not a valid URI
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Is the URI absolute?
+     *
+     * @return bool
+     */
+    public function isAbsolute()
+    {
+        return ($this->scheme !== null);
+    }
+}