<?php

/**

 * @file

 * User page callbacks for the openid module.

 */

/**

 * Menu callback; Process an OpenID authentication.

 */

function openid_authentication_page() {

  $result = openid_complete();

  switch ($result['status']) {

    case 'success':

      return openid_authentication($result);

    case 'failed':

      drupal_set_message(t('OpenID login failed.'), 'error');

      break;

    case 'cancel':

      drupal_set_message(t('OpenID login cancelled.'));

      break;

  }

  drupal_goto();

}

/**

 * Menu callback; Manage OpenID identities for the specified user.

 */

function openid_user_identities($account) {

  drupal_set_title(format_username($account));

  drupal_add_css(drupal_get_path('module', 'openid') . '/openid.css');

  // Check to see if we got a response

  $result = openid_complete();

  if ($result['status'] == 'success') {

    $identity = $result['openid.claimed_id'];

    $query = db_insert('authmap')

      ->fields(array(

        'uid' => $account->uid,

        'authname' => $identity,

        'module' => 'openid',

      ))

      ->execute();

    drupal_set_message(t('Successfully added %identity', array('%identity' => $identity)));

  }

  $header = array(t('OpenID'), t('Operations'));

  $rows = array();

  $result = db_query("SELECT * FROM {authmap} WHERE module='openid' AND uid=:uid", array(':uid' => $account->uid));

  foreach ($result as $identity) {

    $rows[] = array(check_plain($identity->authname), l(t('Delete'), 'user/' . $account->uid . '/openid/delete/' . $identity->aid));

  }

  $build['openid_table'] = array(

    '#theme' => 'table',

    '#header' => $header,

    '#rows' => $rows,

    '#empty' => t('No OpenID identities available for this account.'),

  );

  $build['openid_user_add'] = drupal_get_form('openid_user_add');

  return $build;

}

/**

 * Form builder; Add an OpenID identity.

 *

 * @ingroup forms

 * @see openid_user_add_validate()

 */

function openid_user_add() {

  $form['openid_identifier'] = array(

    '#type' => 'textfield',

    '#title' => t('OpenID'),

  );

  $form['actions'] = array('#type' => 'actions');

  $form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Add an OpenID'));

  return $form;

}

function openid_user_add_validate($form, &$form_state) {

  // Check for existing entries.

  $claimed_id = openid_normalize($form_state['values']['openid_identifier']);

  if (db_query("SELECT authname FROM {authmap} WHERE authname = :authname", (array(':authname' => $claimed_id)))->fetchField()) {

    form_set_error('openid_identifier', t('That OpenID is already in use on this site.'));

  }

}

function openid_user_add_submit($form, &$form_state) {

  $return_to = url('user/' . arg(1) . '/openid', array('absolute' => TRUE));

  openid_begin($form_state['values']['openid_identifier'], $return_to);

}

/**

 * Menu callback; Delete the specified OpenID identity from the system.

 */

function openid_user_delete_form($form, $form_state, $account, $aid = 0) {

  $authname = db_query("SELECT authname FROM {authmap} WHERE uid = :uid AND aid = :aid AND module = 'openid'", array(

    ':uid' => $account->uid,

    ':aid' => $aid,

  ))

  ->fetchField();

  return confirm_form(array(), t('Are you sure you want to delete the OpenID %authname for %user?', array('%authname' => $authname, '%user' => $account->name)), 'user/' . $account->uid . '/openid');

}

function openid_user_delete_form_submit($form, &$form_state) {

  $query = db_delete('authmap')

    ->condition('uid', $form_state['build_info']['args'][0]->uid)

    ->condition('aid', $form_state['build_info']['args'][1])

    ->condition('module', 'openid')

    ->execute();

  if ($query) {

    drupal_set_message(t('OpenID deleted.'));

  }

  $form_state['redirect'] = 'user/' . $form_state['build_info']['args'][0]->uid . '/openid';

}