Fix two minor bugs, updating Phorum and removing unused $dir variable.
[htmlpurifier/darkodev.git] / library / HTMLPurifier / AttrDef / URI.php
blob01a6d83e9526f81e3983863f04f8505d39ae2b36
1 <?php
3 /**
4 * Validates a URI as defined by RFC 3986.
5 * @note Scheme-specific mechanics deferred to HTMLPurifier_URIScheme
6 */
7 class HTMLPurifier_AttrDef_URI extends HTMLPurifier_AttrDef
10 protected $parser;
11 protected $embedsResource;
13 /**
14 * @param $embeds_resource_resource Does the URI here result in an extra HTTP request?
16 public function __construct($embeds_resource = false) {
17 $this->parser = new HTMLPurifier_URIParser();
18 $this->embedsResource = (bool) $embeds_resource;
21 public function make($string) {
22 $embeds = (bool) $string;
23 return new HTMLPurifier_AttrDef_URI($embeds);
26 public function validate($uri, $config, $context) {
28 if ($config->get('URI.Disable')) return false;
30 $uri = $this->parseCDATA($uri);
32 // parse the URI
33 $uri = $this->parser->parse($uri);
34 if ($uri === false) return false;
36 // add embedded flag to context for validators
37 $context->register('EmbeddedURI', $this->embedsResource);
39 $ok = false;
40 do {
42 // generic validation
43 $result = $uri->validate($config, $context);
44 if (!$result) break;
46 // chained filtering
47 $uri_def = $config->getDefinition('URI');
48 $result = $uri_def->filter($uri, $config, $context);
49 if (!$result) break;
51 // scheme-specific validation
52 $scheme_obj = $uri->getSchemeObj($config, $context);
53 if (!$scheme_obj) break;
54 if ($this->embedsResource && !$scheme_obj->browsable) break;
55 $result = $scheme_obj->validate($uri, $config, $context);
56 if (!$result) break;
58 // Post chained filtering
59 $result = $uri_def->postFilter($uri, $config, $context);
60 if (!$result) break;
62 // survived gauntlet
63 $ok = true;
65 } while (false);
67 $context->destroy('EmbeddedURI');
68 if (!$ok) return false;
70 // back to string
71 return $uri->toString();
77 // vim: et sw=4 sts=4