Merge pull request #481 from wallabag/dev1.5.2

1.5.2

1 files changed, 71 insertions, 0 deletions

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/URIParser.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/URIParser.php
new file mode 100644
index 00000000..699978dc
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/URIParser.php
@@ -0,0 +1,71 @@
+<?php

+

+/**

+ * Parses a URI into the components and fragment identifier as specified

+ * by RFC 3986.

+ */

+class HTMLPurifier_URIParser

+{

+

+    /**

+     * Instance of HTMLPurifier_PercentEncoder to do normalization with.

+     */

+    protected $percentEncoder;

+

+    public function __construct()

+    {

+        $this->percentEncoder = new HTMLPurifier_PercentEncoder();

+    }

+

+    /**

+     * Parses a URI.

+     * @param $uri string URI to parse

+     * @return HTMLPurifier_URI representation of URI. This representation has

+     *         not been validated yet and may not conform to RFC.

+     */

+    public function parse($uri)

+    {

+        $uri = $this->percentEncoder->normalize($uri);

+

+        // Regexp is as per Appendix B.

+        // Note that ["<>] are an addition to the RFC's recommended

+        // characters, because they represent external delimeters.

+        $r_URI = '!'.

+            '(([a-zA-Z0-9\.\+\-]+):)?'. // 2. Scheme

+            '(//([^/?#"<>]*))?'. // 4. Authority

+            '([^?#"<>]*)'.       // 5. Path

+            '(\?([^#"<>]*))?'.   // 7. Query

+            '(#([^"<>]*))?'.     // 8. Fragment

+            '!';

+

+        $matches = array();

+        $result = preg_match($r_URI, $uri, $matches);

+

+        if (!$result) return false; // *really* invalid URI

+

+        // seperate out parts

+        $scheme     = !empty($matches[1]) ? $matches[2] : null;

+        $authority  = !empty($matches[3]) ? $matches[4] : null;

+        $path       = $matches[5]; // always present, can be empty

+        $query      = !empty($matches[6]) ? $matches[7] : null;

+        $fragment   = !empty($matches[8]) ? $matches[9] : null;

+

+        // further parse authority

+        if ($authority !== null) {

+            $r_authority = "/^((.+?)@)?(\[[^\]]+\]|[^:]*)(:(\d*))?/";

+            $matches = array();

+            preg_match($r_authority, $authority, $matches);

+            $userinfo   = !empty($matches[1]) ? $matches[2] : null;

+            $host       = !empty($matches[3]) ? $matches[3] : '';

+            $port       = !empty($matches[4]) ? (int) $matches[5] : null;

+        } else {

+            $port = $host = $userinfo = null;

+        }

+

+        return new HTMLPurifier_URI(

+            $scheme, $userinfo, $host, $port, $path, $query, $fragment);

+    }

+

+}

+

+// vim: et sw=4 sts=4