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<?php
require_once "lib/session.php";
require_once "lib/render.php";
define('login_form_pat',
'<div class="form">
<p>
Enter your username into this form to log in to this server. It
can be anything; this is just for demonstration purposes. For
example, entering USERNAME will give you the identity URL
<pre>%s</pre>
</p>
<form method="post" action="%s">
<table>
<tr>
<th><label for="openid_url">Name:</label></th>
<td><input type="text" name="openid_url"
value="%s" id="openid_url" /></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="Log in" />
<input type="submit" name="cancel" value="Cancel" />
</td>
</tr>
</table>
</form>
</div>
');
define('login_needed_pat',
'You must be logged in as %s to approve this request.');
function login_render($errors=null, $input=null, $needed=null)
{
$current_user = getLoggedInUser();
if ($input === null) {
$input = $current_user;
}
if ($needed) {
$errors[] = sprintf(login_needed_pat, link_render($needed));
}
$esc_input = htmlspecialchars($input, ENT_QUOTES);
$login_url = buildURL('login', true);
$body = sprintf(login_form_pat, idURL('USERNAME'), $login_url, $esc_input);
if ($errors) {
$body = loginError_render($errors) . $body;
}
return page_render($body, $current_user, 'Log In', null, true);
}
function loginError_render($errors)
{
$text = '';
foreach ($errors as $error) {
$text .= sprintf("<li>%s</li>\n", $error);
}
return sprintf("<ul class=\"error\">\n%s</ul>\n", $text);
}
?>
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