1 files changed, 27 insertions, 0 deletions
diff --git a/app/assets/javascripts/u2f/error.js b/app/assets/javascripts/u2f/error.js
new file mode 100644
index 00000000000..bc48c67c4f2
--- /dev/null
+++ b/app/assets/javascripts/u2f/error.js
@@ -0,0 +1,27 @@
+(function() {
+  var bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+
+  this.U2FError = (function() {
+    function U2FError(errorCode) {
+      this.errorCode = errorCode;
+      this.message = bind(this.message, this);
+      this.httpsDisabled = window.location.protocol !== 'https:';
+      console.error("U2F Error Code: " + this.errorCode);
+    }
+
+    U2FError.prototype.message = function() {
+      switch (false) {
+        case !(this.errorCode === u2f.ErrorCodes.BAD_REQUEST && this.httpsDisabled):
+          return "U2F only works with HTTPS-enabled websites. Contact your administrator for more details.";
+        case this.errorCode !== u2f.ErrorCodes.DEVICE_INELIGIBLE:
+          return "This device has already been registered with us.";
+        default:
+          return "There was a problem communicating with your device.";
+      }
+    };
+
+    return U2FError;
+
+  })();
+
+}).call(this);