Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/browser/extensions/screenshots/domainFromUrl.js b/browser/extensions/screenshots/domainFromUrl.js
new file mode 100644
index 0000000000..421e752508
--- /dev/null
+++ b/browser/extensions/screenshots/domainFromUrl.js
@@ -0,0 +1,33 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/** Returns the domain of a URL, but safely and in ASCII; URLs without domains
+    (such as about:blank) return the scheme, Unicode domains get stripped down
+    to ASCII */
+
+"use strict";
+
+this.domainFromUrl = (function() {
+
+  return function urlDomainForId(location) { // eslint-disable-line no-unused-vars
+    let domain = location.hostname;
+    if (!domain) {
+      domain = location.origin.split(":")[0];
+      if (!domain) {
+        domain = "unknown";
+      }
+    }
+    if (domain.search(/^[a-z0-9._-]{1,1000}$/i) === -1) {
+      // Probably a unicode domain; we could use punycode but it wouldn't decode
+      // well in the URL anyway.  Instead we'll punt.
+      domain = domain.replace(/[^a-z0-9._-]/ig, "");
+      if (!domain) {
+        domain = "site";
+      }
+    }
+    return domain;
+  };
+
+})();
+null;