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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:39:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:39:39 +0000
commit8ca6cc32b2c789a3149861159ad258f2cb9491e3 (patch)
tree2492de6f1528dd44eaa169a5c1555026d9cb75ec /library/vendor/HTMLPurifier/AttrDef/URI.php
parentInitial commit. (diff)
downloadicingaweb2-upstream.tar.xz
icingaweb2-upstream.zip
Adding upstream version 2.11.4.upstream/2.11.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/vendor/HTMLPurifier/AttrDef/URI.php')
-rw-r--r--library/vendor/HTMLPurifier/AttrDef/URI.php111
1 files changed, 111 insertions, 0 deletions
diff --git a/library/vendor/HTMLPurifier/AttrDef/URI.php b/library/vendor/HTMLPurifier/AttrDef/URI.php
new file mode 100644
index 0000000..c1cd897
--- /dev/null
+++ b/library/vendor/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