1 files changed, 81 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/URISchemeRegistry.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/URISchemeRegistry.php
new file mode 100644
index 00000000..24280638
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/URISchemeRegistry.php
@@ -0,0 +1,81 @@
+<?php
+/**
+ * Registry for retrieving specific URI scheme validator objects.
+ */
+class HTMLPurifier_URISchemeRegistry
+{
+    /**
+     * Retrieve sole instance of the registry.
+     * @param HTMLPurifier_URISchemeRegistry $prototype Optional prototype to overload sole instance with,
+     *                   or bool true to reset to default registry.
+     * @return HTMLPurifier_URISchemeRegistry
+     * @note Pass a registry object $prototype with a compatible interface and
+     *       the function will copy it and return it all further times.
+     */
+    public static function instance($prototype = null)
+    {
+        static $instance = null;
+        if ($prototype !== null) {
+            $instance = $prototype;
+        } elseif ($instance === null || $prototype == true) {
+            $instance = new HTMLPurifier_URISchemeRegistry();
+        }
+        return $instance;
+    }
+    /**
+     * Cache of retrieved schemes.
+     * @type HTMLPurifier_URIScheme[]
+     */
+    protected $schemes = array();
+    /**
+     * Retrieves a scheme validator object
+     * @param string $scheme String scheme name like http or mailto
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return HTMLPurifier_URIScheme
+     */
+    public function getScheme($scheme, $config, $context)
+    {
+        if (!$config) {
+            $config = HTMLPurifier_Config::createDefault();
+        }
+        // important, otherwise attacker could include arbitrary file
+        $allowed_schemes = $config->get('URI.AllowedSchemes');
+        if (!$config->get('URI.OverrideAllowedSchemes') &&
+            !isset($allowed_schemes[$scheme])
+        ) {
+            return;
+        }
+        if (isset($this->schemes[$scheme])) {
+            return $this->schemes[$scheme];
+        }
+        if (!isset($allowed_schemes[$scheme])) {
+            return;
+        }
+        $class = 'HTMLPurifier_URIScheme_' . $scheme;
+        if (!class_exists($class)) {
+            return;
+        }
+        $this->schemes[$scheme] = new $class();
+        return $this->schemes[$scheme];
+    }
+    /**
+     * Registers a custom scheme to the cache, bypassing reflection.
+     * @param string $scheme Scheme name
+     * @param HTMLPurifier_URIScheme $scheme_obj
+     */
+    public function register($scheme, $scheme_obj)
+    {
+        $this->schemes[$scheme] = $scheme_obj;
+    }
+}
+// vim: et sw=4 sts=4

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/URISchemeRegistry.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/URISchemeRegistry.php new file mode 100644 index 00000000..24280638 --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/URISchemeRegistry.php
@@ -0,0 +1,81 @@
	1	<?php
	2
	3	/**
	4	* Registry for retrieving specific URI scheme validator objects.
	5	*/
	6	class HTMLPurifier_URISchemeRegistry
	7	{
	8
	9	/**
	10	* Retrieve sole instance of the registry.
	11	* @param HTMLPurifier_URISchemeRegistry $prototype Optional prototype to overload sole instance with,
	12	* or bool true to reset to default registry.
	13	* @return HTMLPurifier_URISchemeRegistry
	14	* @note Pass a registry object $prototype with a compatible interface and
	15	* the function will copy it and return it all further times.
	16	*/
	17	public static function instance($prototype = null)
	18	{
	19	static $instance = null;
	20	if ($prototype !== null) {
	21	$instance = $prototype;
	22	} elseif ($instance === null \|\| $prototype == true) {
	23	$instance = new HTMLPurifier_URISchemeRegistry();
	24	}
	25	return $instance;
	26	}
	27
	28	/**
	29	* Cache of retrieved schemes.
	30	* @type HTMLPurifier_URIScheme[]
	31	*/
	32	protected $schemes = array();
	33
	34	/**
	35	* Retrieves a scheme validator object
	36	* @param string $scheme String scheme name like http or mailto
	37	* @param HTMLPurifier_Config $config
	38	* @param HTMLPurifier_Context $context
	39	* @return HTMLPurifier_URIScheme
	40	*/
	41	public function getScheme($scheme, $config, $context)
	42	{
	43	if (!$config) {
	44	$config = HTMLPurifier_Config::createDefault();
	45	}
	46
	47	// important, otherwise attacker could include arbitrary file
	48	$allowed_schemes = $config->get('URI.AllowedSchemes');
	49	if (!$config->get('URI.OverrideAllowedSchemes') &&
	50	!isset($allowed_schemes[$scheme])
	51	) {
	52	return;
	53	}
	54
	55	if (isset($this->schemes[$scheme])) {
	56	return $this->schemes[$scheme];
	57	}
	58	if (!isset($allowed_schemes[$scheme])) {
	59	return;
	60	}
	61
	62	$class = 'HTMLPurifier_URIScheme_' . $scheme;
	63	if (!class_exists($class)) {
	64	return;
	65	}
	66	$this->schemes[$scheme] = new $class();
	67	return $this->schemes[$scheme];
	68	}
	69
	70	/**
	71	* Registers a custom scheme to the cache, bypassing reflection.
	72	* @param string $scheme Scheme name
	73	* @param HTMLPurifier_URIScheme $scheme_obj
	74	*/
	75	public function register($scheme, $scheme_obj)
	76	{
	77	$this->schemes[$scheme] = $scheme_obj;
	78	}
	79	}
	80
	81	// vim: et sw=4 sts=4