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<?php
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// $Id: twitter_signin.module,v 1.1.2.1 2009/06/11 02:57:55 walkah Exp $
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function twitter_signin_menu() {
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$items = array();
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$items['admin/settings/twitter/signin'] = array(
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'title' => 'Twitter Signin Settings',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('twitter_signin_admin_settings'),
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'file' => 'twitter_signin.pages.inc',
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'type' => MENU_LOCAL_TASK,
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);
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return $items;
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}
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/**
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* Implementation of hook_block().
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*/
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function twitter_signin_block($op = 'list', $delta = 0, $edit = array()) {
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switch ($op) {
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case 'list':
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$block[0]['info'] = t('Sign in with Twitter');
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return $block;
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case 'view':
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$block['subject'] = t('Sign in with Twitter');
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$block['content'] = drupal_get_form('twitter_signin_form');
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return $block;
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}
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}
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/**
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* Main form for twitter signin
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*/
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function twitter_signin_form(&$form_state) {
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$form = array();
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$form['signin'] = array(
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'#type' => 'image_button',
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'#src' => drupal_get_path('module', 'twitter_signin') .'/images/Sign-in-with-Twitter-lighter-small.png',
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);
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return $form;
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}
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/**
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* Submit handler for twitter signin
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*/
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function twitter_signin_form_validate(&$form, &$form_state) {
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module_load_include('lib.php', 'oauth');
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module_load_include('lib.php', 'twitter');
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module_load_include('inc', 'twitter');
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$token = $_SESSION['twitter_oauth'];
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$key = variable_get('twitter_consumer_key', '');
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$secret = variable_get('twitter_consumer_secret', '');
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$twitter = new TwitterOAuth($key, $secret);
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$token = $twitter->get_request_token();
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$_SESSION['twitter_oauth']['token'] = $token;
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$_SESSION['twitter_oauth']['destination'] = $_GET['q'];
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$_SESSION['twitter_oauth']['signin'] = TRUE;
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drupal_goto($twitter->get_authenticate_url($token));
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}
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function twitter_signin_form_alter(&$form, $form_state, $form_id) {
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if ($form_id == 'twitter_oauth_callback' && $_SESSION['twitter_oauth']['signin']) {
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$submit = $form['#submit'];
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$form['#submit'] = array('twitter_signin_oauth_callback_submit');
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$form['#submit'] += $submit;
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}
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}
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function twitter_signin_oauth_callback_submit(&$form, &$form_state) {
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global $user;
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$key = variable_get('twitter_consumer_key', '');
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$secret = variable_get('twitter_consumer_secret', '');
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$response = $form_state['twitter_oauth']['response'];
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$account = user_external_load($response['user_id']);
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if (isset($account->uid)) {
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user_external_login($account, $response);
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}
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elseif ($uid = db_result(db_query("SELECT uid FROM {twitter_account} WHERE twitter_uid= %d", $response['user_id']))) {
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// We have an existing twitter account - set it up for login
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$account = user_load($uid);
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$edit["authname_twitter"] = $response['user_id'];
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user_save($account, $edit);
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$user = $account;
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}
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else {
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$edit = array(
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'name' => $response['screen_name'],
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'pass' => user_password(),
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'init' => $response['screen_name'],
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'status' => 1,
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"authname_twitter" => $response['user_id'],
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'access' => time(),
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);
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$account = user_save('', $edit);
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$user = $account;
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}
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}
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