// Copyright (C) 2006 The Trustees of Princeton University
//
// $Id: planetlab.module 809 2007-09-03 09:47:40Z thierry $
//
require_once 'plc_config.php';
require_once 'plc_session.php';
function planetlab_help($section)
{
switch ($section) {
case 'admin/modules#description':
return t('Enables authenticated login via a PlanetLab API server.');
}
}
function planetlab_info($field = 0)
{
$info['name'] = 'PlanetLab';
if ($field) {
return $info[$field];
}
else {
return $info;
}
}
function planetlab_menu($may_cache)
{
$items = array();
if ($may_cache) {
$items[] = array(
'path' => 'planetlab/logout',
'title' => t('Log out of %s', array('%s' => variable_get('site_name', 'local'))),
'callback' => 'planetlab_logout',
'access' => TRUE,
'type' => MENU_CALLBACK
);
$items[] = array(
'path' => 'db',
'title' => variable_get('site_name', 'local'),
'callback' => 'planetlab_page',
'access' => TRUE,
'type' => MENU_CALLBACK
);
}
return $items;
}
function planetlab_block($op = 'list', $delta = 0, $edit = array())
{
global $user, $plc;
if ($op == 'list') {
$blocks[0]['info'] = t('PlanetLab login');
return $blocks;
}
else if ($op == 'view') {
$block = array();
if (!$plc->person) {
// Force login via HTTPS
unset($_GET['time']);
$form['#action'] = "https://" . $_SERVER['HTTP_HOST'] . url($_GET['q'], drupal_get_destination());
$form['#id'] = 'planetlab-login-form';
$form['name'] = array('#type' => 'textfield',
'#title' => t('E-mail'),
'#maxlength' => 60,
'#size' => 25,
'#required' => TRUE,
);
$form['pass'] = array('#type' => 'password',
'#title' => t('Password'),
'#size' => 25,
'#required' => TRUE,
);
$form['submit'] = array('#type' => 'submit',
'#value' => t('Log in'),
);
$block['subject'] = t('%s login', array('%s' => variable_get('site_name', 'local')));
$block['content'] = drupal_get_form('planetlab_login_block', $form, 'planetlab_login');
$block['content'] .= 'Forgot your password?
';
$block['content'] .= 'Create an account
';
$block['content'] .= 'File a site registration
';
} else {
$block['subject'] = $plc->person['email'];
$is_admin = in_array(10,$plc->person['role_ids']);
$is_pi = in_array(20,$plc->person['role_ids']);
$is_user = in_array(30,$plc->person['role_ids']);
$is_tech = in_array(40,$plc->person['role_ids']);
$site_item = '';
$site_item .= 'Sites';
$site_item .= '";
$items[] = $site_item;
$user_item = '';
$user_item .= 'Users';
$user_item .= '';
$user_item .= '- My account
';
if (is_pi)
$user_item .= '- My users
';
if ( $plc->alt_person && $plc->alt_auth) {
$email = $plc->person['email'];
$user_item .= "- Log out of $email
";
}
$user_item .= '
';
$items [] = $user_item;
$node_item = '';
$node_item .= 'Nodes';
$node_item .= '';
$items [] = $node_item;
$slice_item = '';
//if( !( $is_tech && ! $is_user && ! $is_pi && ! $is_admin ) )
$slice_item .= 'Slices';
$slice_item .= '';
if( $is_admin || $is_pi ) {
$slice_item .= "- Create Slice
";
$slice_item .= "- Attribute Types
";
}
if( !( $is_tech && ! $is_user && ! $is_pi && ! $is_admin ) )
$slice_item .= '- Sirius
';
$slice_item .= '
';
$items [] = $slice_item;
if ( $is_admin )
$items[] = l(t('Peers'),'db/peers/');
if ( $is_admin )
$items[] = l(t('Events'),'db/events/');
$items[] = l(t('About'),'db/about.php');
if ($user->uid) {
// Drupal logout (destroys the session and cleans up $user)
$items[] = l(t('Log out of %s', array('%s' => variable_get('site_name', 'local'))), 'logout');
} else {
// PlanetLab logout (just destroy the session)
$items[] = l(t('Log out'), 'planetlab/logout');
}
$block['content'] = theme('item_list', $items);
}
/*
ob_start();
print '';
print_r($_SESSION);
print '';
$block['content'] .= ob_get_contents();
ob_end_clean();
*/
return $block;
}
}
function planetlab_login_validate($form_id, $form_values)
{
global $user, $plc;
if ($form_values['name'] && $form_values['pass']) {
// Drupal login succeeded
if (($user = user_authenticate($form_values['name'], trim($form_values['pass']))) &&
$user->uid) {
return;
}
$plc = new PLCSession($form_values['name'], $form_values['pass']);
// PlanetLab login failed
if (!$plc->person) {
form_set_error('login', t('Sorry. Unrecognized username or password.'));
watchdog('planetlab', t('Login attempt failed for %user.', array('%user' => theme('placeholder', $form_values['name']))));
}
// PlanetLab login succeeded
else {
// Login admins to Drupal as the superuser
if (in_array('admin', $plc->person['roles'])) {
$user = user_load(array('uid' => 1));
}
}
}
}
function planetlab_login_submit($form_id, $form_values)
{
global $plc;
// Our referring page is encased in a query string of the form
// "destination=referrer".
parse_str(drupal_get_destination()); // => $destination
// The referrer itself is a URL path with the original query string,
// e.g. "referer.php?query".
extract(parse_url($destination)); // => $query
// Which we then have to parse again as a query string.
parse_str($query); // => $url
if ($plc->person) {
// To handle the edge case where this function is called during a
// bootstrap, check for the existence of t().
if (function_exists('t')) {
$message = t('Session opened for %name.', array('%name' => theme('placeholder', $plc->person['email'])));
}
else {
$message = "Session opened for ". check_plain($person['email']);
}
watchdog('planetlab', $message);
if (empty($url)) {
// Create a timestamped final URL so that browsers don't return the user to
// a cached page (where it would appear as if they never logged in or out).
return array('time='. time());
} else {
// Make sure that redirections are always local
$url = urldecode($url);
if ($url[0] != "/") {
$url = "/$url";
}
Header("Location: $url");
exit();
}
}
}
function planetlab_logout()
{
global $plc;
if ($plc->person) {
// Invalidate PlanetLab session
$plc->logout();
watchdog('planetlab', t('Session closed for %name.', array('%name' => theme('placeholder', $plc->person['email']))));
}
// Destroy the current session:
session_destroy();
// The time prevents caching.
drupal_goto(NULL, 'time='. time());
}
function planetlab_user($type, &$edit, &$user, $category = NULL)
{
switch ($type) {
case 'logout':
if ($plc->person) {
$plc->logout();
watchdog('planetlab', t('Session closed for %name.', array('%name' => theme('placeholder', $plc->person['email']))));
}
break;
}
}
function planetlab_page()
{
$path = $_SERVER['DOCUMENT_ROOT'] . preg_replace('/^db\//', '/planetlab/', $_GET['q']);
// error_log("Requested " . $_GET['q'] . " -> $path");
if (is_dir($path)) {
foreach (array('index.php', 'index.html', 'index.htm') as $index) {
if (is_file($path . "/$index")) {
$path .= "/$index";
break;
}
}
}
if (is_file($path)) {
if (preg_match('/.php$/', $path)) {
ob_start();
include $path;
$output = ob_get_contents();
ob_end_clean();
} else {
$output = file_get_contents($path);
}
return $output;
}
drupal_not_found();
}
function theme_planetlab($content)
{
return $content;
}
?>