1 files changed, 53 insertions, 0 deletions
diff --git a/toolkit/jetpack/jetpack-id/index.js b/toolkit/jetpack/jetpack-id/index.js
new file mode 100644
index 000000000..6c1493f1d
--- /dev/null
+++ b/toolkit/jetpack/jetpack-id/index.js
@@ -0,0 +1,53 @@
+/* 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/. */
+
+/**
+ * Takes parsed `package.json` manifest and returns
+ * valid add-on id for it.
+ */
+function getID(manifest) {
+  manifest = manifest || {};
+
+  if (manifest.id) {
+
+    if (typeof manifest.id !== "string") {
+      return null;
+    }
+
+    // If manifest.id is already valid (as domain or GUID), use it
+    if (isValidAOMName(manifest.id)) {
+      return manifest.id;
+    }
+    // Otherwise, this ID is invalid so return `null`
+    return null;
+  }
+
+  // If no `id` defined, turn `name` into a domain ID,
+  // as we transition to `name` being an id, similar to node/npm, but
+  // append a '@' to make it compatible with Firefox requirements
+  if (manifest.name) {
+
+    if (typeof manifest.name !== "string") {
+      return null;
+    }
+
+    var modifiedName = "@" + manifest.name;
+    return isValidAOMName(modifiedName) ? modifiedName : null;
+  }
+
+  // If no `id` or `name` property, return null as this manifest
+  // is invalid
+  return null;
+}
+
+module.exports = getID;
+
+/**
+ * Regex taken from XPIProvider.jsm in the Addon Manager to validate proper
+ * IDs that are able to be used.
+ * http://mxr.mozilla.org/mozilla-central/source/toolkit/mozapps/extensions/internal/XPIProvider.jsm#209
+ */
+function isValidAOMName (s) {
+  return /^(\{[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\}|[a-z0-9-\._]*\@[a-z0-9-\._]+)$/i.test(s || "");
+}