fixes #187

app/client/views/character/characterSettings/shareDialog.js

@@ -53,7 +53,7 @@ Template.shareDialog.events({
 		Characters.update(this._id, {$set: {"settings.viewPermission": value}});
 	},
 	"input #userNameOrEmailInput":
-	function(event, instance){
+	_.debounce(function(event, instance){
 		var userName = instance.find("#userNameOrEmailInput").value;
 		instance.userId.set(undefined);
 		Meteor.call("getUserId", userName, function(err, result) {
@@ -64,7 +64,7 @@ Template.shareDialog.events({
 				instance.userId.set(result);
 			}
 		});
-	},
+	}, 300),
 	"click #shareButton": function(event, instance){
 		var self = this;
 		var permission = instance.find("#accessLevelMenu").selected;

app/lib/functions/shareCharacter.js

@@ -1,14 +1,9 @@
 Meteor.methods({
 	"getUserId": function(username){
 		if (!username) return;
-		regex = new RegExp("^" + username + "$", "i")
-		var user = Meteor.users.findOne(
-			{$or: [
-				{username: username},
-				{"emails.address": regex},
-				{"services.google.email": regex},
-				]}
-		);
+		if (Meteor.isClient) return;
+		let user = Accounts.findUserByUsername(username) ||
+			Accounts.findUserByEmail(username);
 		return user && user._id;
 	}
 });