114 lines
2.8 KiB
PHP
114 lines
2.8 KiB
PHP
<?php
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define('page_template',
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'<html>
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<head>
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<meta http-equiv="cache-control" content="no-cache"/>
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<meta http-equiv="pragma" content="no-cache"/>
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<title>%s</title>
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%s
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</head>
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<body>
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%s
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<div id="content">
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<h1>%s</h1>
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%s
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</div>
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</body>
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</html>');
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define('logged_in_pat', 'You are logged in as %s (URL: %s)');
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/**
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* HTTP response line contstants
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*/
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define('http_bad_request', 'HTTP/1.1 400 Bad Request');
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define('http_found', 'HTTP/1.1 302 Found');
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define('http_ok', 'HTTP/1.1 200 OK');
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define('http_internal_error', 'HTTP/1.1 500 Internal Error');
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/**
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* HTTP header constants
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*/
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define('header_connection_close', 'Connection: close');
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define('header_content_text', 'Content-Type: text/plain; charset=us-ascii');
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define('redirect_message',
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'Please wait; you are being redirected to <%s>');
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/**
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* Return a string containing an anchor tag containing the given URL
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*
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* The URL does not need to be quoted, but if text is passed in, then
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* it does.
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*/
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function link_render($url, $text=null) {
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$esc_url = htmlspecialchars($url, ENT_QUOTES);
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$text = ($text === null) ? $esc_url : $text;
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return sprintf('<a href="%s">%s</a>', $esc_url, $text);
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}
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/**
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* Return an HTTP redirect response
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*/
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function redirect_render($redir_url)
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{
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$headers = array(http_found,
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header_content_text,
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header_connection_close,
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'Location: ' . $redir_url,
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);
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$body = sprintf(redirect_message, $redir_url);
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return array($headers, $body);
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}
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function navigation_render($msg, $items)
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{
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$what = link_render(buildURL(), 'PHP OpenID Server');
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if ($msg) {
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$what .= ' — ' . $msg;
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}
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if ($items) {
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$s = '<p>' . $what . '</p><ul class="bottom">';
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foreach ($items as $action => $text) {
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$url = buildURL($action);
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$s .= sprintf('<li>%s</li>', link_render($url, $text));
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}
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$s .= '</ul>';
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} else {
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$s = '<p class="bottom">' . $what . '</p>';
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}
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return sprintf('<div class="navigation">%s</div>', $s);
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}
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/**
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* Render an HTML page
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*/
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function page_render($body, $user, $title, $h1=null, $login=false)
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{
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$h1 = $h1 ? $h1 : $title;
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if ($user) {
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$msg = sprintf(logged_in_pat, link_render(idURL($user), $user),
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link_render(idURL($user)));
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$nav = array('logout' => 'Log Out');
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$navigation = navigation_render($msg, $nav);
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} else {
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if (!$login) {
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$msg = link_render(buildURL('login'), 'Log In');
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$navigation = navigation_render($msg, array());
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} else {
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$navigation = '';
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}
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}
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$style = getStyle();
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$text = sprintf(page_template, $title, $style, $navigation, $h1, $body);
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// No special headers here
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$headers = array();
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return array($headers, $text);
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}
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?>
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