Add async username check on OAuth signup form

This checks the user's inputted username as they type it, and prevents
form submission if the name is taken.

Ref T712
This commit is contained in:
Matt Baer 2020-01-16 13:13:33 -05:00
parent f2f779e4a2
commit 33a6129d1e

View file

@ -65,7 +65,7 @@ form dd {
</ul>{{end}}
<div id="billing">
<form action="/oauth/signup" method="post" style="text-align: center;margin-top:1em;" onsubmit="disableSubmit()">
<form action="/oauth/signup" method="post" style="text-align: center;margin-top:1em;" onsubmit="return disableSubmit()">
<input type="hidden" name="access_token" value="{{ .AccessToken }}" />
<input type="hidden" name="token_username" value="{{ .TokenUsername }}" />
<input type="hidden" name="token_alias" value="{{ .TokenAlias }}" />
@ -85,7 +85,7 @@ form dd {
<label>
<dt>Username</dt>
<dd>
<input type="text" name="username" style="width: 100%; box-sizing: border-box;" placeholder="Username" value="{{.Username}}" /><br />
<input type="text" id="username" name="username" style="width: 100%; box-sizing: border-box;" placeholder="Username" value="{{.Username}}" /><br />
{{if .Federation}}<p id="alias-site" class="demo">@<strong>your-username</strong>@{{.FriendlyHost}}</p>{{else}}<p id="alias-site" class="demo">{{.FriendlyHost}}/<strong>your-username</strong></p>{{end}}
</dd>
</label>
@ -108,11 +108,73 @@ form dd {
</form>
</div>
<script type="text/javascript" src="/js/h.js"></script>
<script type="text/javascript">
// Copied from signup.tmpl
// NOTE: this element is named "alias" on signup.tmpl and "username" here
var $alias = H.getEl('username');
function disableSubmit() {
// Validate input
if (!aliasOK) {
var $a = $alias;
$a.el.className = 'error';
$a.el.focus();
$a.el.scrollIntoView();
return false;
}
var $btn = document.getElementById("btn-login");
$btn.value = "Logging in...";
$btn.disabled = true;
return true;
}
// Copied from signup.tmpl
var $aliasSite = document.getElementById('alias-site');
var aliasOK = true;
var typingTimer;
var doneTypingInterval = 750;
var doneTyping = function() {
// Check on username
var alias = $alias.el.value;
if (alias != "") {
var params = {
username: alias
};
var http = new XMLHttpRequest();
http.open("POST", '/api/alias', true);
// Send the proper header information along with the request
http.setRequestHeader("Content-type", "application/json");
http.onreadystatechange = function() {
if (http.readyState == 4) {
data = JSON.parse(http.responseText);
if (http.status == 200) {
aliasOK = true;
$alias.removeClass('error');
$aliasSite.className = $aliasSite.className.replace(/(?:^|\s)demo(?!\S)/g, '');
$aliasSite.className = $aliasSite.className.replace(/(?:^|\s)error(?!\S)/g, '');
$aliasSite.innerHTML = '{{ if .Federation }}@<strong>' + data.data + '</strong>@{{.FriendlyHost}}{{ else }}{{.FriendlyHost}}/<strong>' + data.data + '</strong>/{{ end }}';
} else {
aliasOK = false;
$alias.setClass('error');
$aliasSite.className = 'error';
$aliasSite.textContent = data.error_msg;
}
}
}
http.send(JSON.stringify(params));
} else {
$aliasSite.className += ' demo';
$aliasSite.innerHTML = '{{ if .Federation }}@<strong>your-username</strong>@{{.FriendlyHost}}{{ else }}{{.FriendlyHost}}/<strong>your-username</strong>/{{ end }}';
}
};
$alias.on('keyup input', function() {
clearTimeout(typingTimer);
typingTimer = setTimeout(doneTyping, doneTypingInterval);
});
doneTyping();
</script>
{{end}}