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Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/URIScheme/tel.php')
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/URIScheme/tel.php46
1 files changed, 46 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/URIScheme/tel.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/URIScheme/tel.php
new file mode 100644
index 0000000..8cd1933
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/URIScheme/tel.php
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * Validates tel (for phone numbers).
+ *
+ * The relevant specifications for this protocol are RFC 3966 and RFC 5341,
+ * but this class takes a much simpler approach: we normalize phone
+ * numbers so that they only include (possibly) a leading plus,
+ * and then any number of digits and x'es.
+ */
+
+class HTMLPurifier_URIScheme_tel extends HTMLPurifier_URIScheme
+{
+ /**
+ * @type bool
+ */
+ public $browsable = false;
+
+ /**
+ * @type bool
+ */
+ public $may_omit_host = true;
+
+ /**
+ * @param HTMLPurifier_URI $uri
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return bool
+ */
+ public function doValidate(&$uri, $config, $context)
+ {
+ $uri->userinfo = null;
+ $uri->host = null;
+ $uri->port = null;
+
+ // Delete all non-numeric characters, non-x characters
+ // from phone number, EXCEPT for a leading plus sign.
+ $uri->path = preg_replace('/(?!^\+)[^\dx]/', '',
+ // Normalize e(x)tension to lower-case
+ str_replace('X', 'x', $uri->path));
+
+ return true;
+ }
+}
+
+// vim: et sw=4 sts=4