enforce maximum title length for topics and users

src/views/create-account-view.jsx

@@ -9,6 +9,8 @@ import VisiblePassword from '../widgets/visible-password.jsx';
 import LocalStorageUtil from '../lib/local-storage.js';
 import { vcard } from '../lib/utils.js';
 
+import { MAX_TITLE_LENGTH } from '../config.js';
+
 export default class CreateAccountView extends React.PureComponent {
   constructor(props) {
     super(props);
@@ -59,12 +61,11 @@ export default class CreateAccountView extends React.PureComponent {
 
   handleSubmit(e) {
     e.preventDefault();
-    // TODO: check email for validity
     this.setState({errorCleared: false});
     this.props.onCreateAccount(
       this.state.login.trim(),
       this.state.password.trim(),
-      vcard(this.state.fn, this.state.imageDataUrl),
+      vcard(this.state.fn.trim().substring(0, MAX_TITLE_LENGTH), this.state.imageDataUrl),
       {'meth': 'email', 'val': this.state.email});
   }