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authorKlaus Weidenbach <Klaus.Weidenbach@gmx.net>2017-03-18 17:50:05 +0100
committerKlaus Weidenbach <Klaus.Weidenbach@gmx.net>2017-03-26 00:41:27 +0100
commitf718e2b0db0fe3477212a8dd6c3ec067f4432862 (patch)
tree8dfbd3b3d4bdcd967b50f1ee4655440bcdef5bb8 /vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI.php
parent2115eb26a7fd2ca937286bd4e98ab74c7d6e9525 (diff)
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:arrow_up: Update HTML Purifier library.
Updated HTML Purifier from 4.6.0 to 4.9.2 with better PHP7 compatibility. Used composer to manage this library.
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI.php')
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI.php111
1 files changed, 111 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI.php
new file mode 100644
index 000000000..c1cd89772
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI.php
@@ -0,0 +1,111 @@
+<?php
+
+/**
+ * Validates a URI as defined by RFC 3986.
+ * @note Scheme-specific mechanics deferred to HTMLPurifier_URIScheme
+ */
+class HTMLPurifier_AttrDef_URI extends HTMLPurifier_AttrDef
+{
+
+ /**
+ * @type HTMLPurifier_URIParser
+ */
+ protected $parser;
+
+ /**
+ * @type bool
+ */
+ protected $embedsResource;
+
+ /**
+ * @param bool $embeds_resource Does the URI here result in an extra HTTP request?
+ */
+ public function __construct($embeds_resource = false)
+ {
+ $this->parser = new HTMLPurifier_URIParser();
+ $this->embedsResource = (bool)$embeds_resource;
+ }
+
+ /**
+ * @param string $string
+ * @return HTMLPurifier_AttrDef_URI
+ */
+ public function make($string)
+ {
+ $embeds = ($string === 'embedded');
+ return new HTMLPurifier_AttrDef_URI($embeds);
+ }
+
+ /**
+ * @param string $uri
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return bool|string
+ */
+ public function validate($uri, $config, $context)
+ {
+ if ($config->get('URI.Disable')) {
+ return false;
+ }
+
+ $uri = $this->parseCDATA($uri);
+
+ // parse the URI
+ $uri = $this->parser->parse($uri);
+ if ($uri === false) {
+ return false;
+ }
+
+ // add embedded flag to context for validators
+ $context->register('EmbeddedURI', $this->embedsResource);
+
+ $ok = false;
+ do {
+
+ // generic validation
+ $result = $uri->validate($config, $context);
+ if (!$result) {
+ break;
+ }
+
+ // chained filtering
+ $uri_def = $config->getDefinition('URI');
+ $result = $uri_def->filter($uri, $config, $context);
+ if (!$result) {
+ break;
+ }
+
+ // scheme-specific validation
+ $scheme_obj = $uri->getSchemeObj($config, $context);
+ if (!$scheme_obj) {
+ break;
+ }
+ if ($this->embedsResource && !$scheme_obj->browsable) {
+ break;
+ }
+ $result = $scheme_obj->validate($uri, $config, $context);
+ if (!$result) {
+ break;
+ }
+
+ // Post chained filtering
+ $result = $uri_def->postFilter($uri, $config, $context);
+ if (!$result) {
+ break;
+ }
+
+ // survived gauntlet
+ $ok = true;
+
+ } while (false);
+
+ $context->destroy('EmbeddedURI');
+ if (!$ok) {
+ return false;
+ }
+ // back to string
+ return $uri->toString();
+ }
+}
+
+// vim: et sw=4 sts=4