function dln_social_login_process_login($is_ajax = false)
{
if (isset($_REQUEST['redirect_to']) && $_REQUEST['redirect_to'] != '') {
$redirect_to = $_REQUEST['redirect_to'];
// Redirect to https if user wants ssl
if (isset($secure_cookie) && $secure_cookie && false !== strpos($redirect_to, 'wp-admin')) {
$redirect_to = preg_replace('|^http://|', 'https://', $redirect_to);
}
} else {
$redirect_to = admin_url();
}
$redirect_to = apply_filters('social_login_redirect_to', $redirect_to);
$social_login_provider = $_REQUEST['social_login_provider'];
$dln_provider_identity_key = 'social_login_' . $social_login_provider . '_id';
$dln_provided_signature = $_REQUEST['social_login_signature'];
switch ($social_login_provider) {
case 'facebook':
$user_login = $username = $dln_provider_identity = $dln_provider_identity_key = $dln_email = $dln_first_name = $dln_last_name = $dln_profile_url = '';
social_login_verify_signature($_REQUEST['social_login_access_token'], $dln_provided_signature, $redirect_to);
$fb_json = json_decode(dln_curl_get_contents("https://graph.facebook.com/me?access_token=" . $_REQUEST['social_login_access_token']));
if (isset($fb_json->{'id'})) {
$dln_provider_identity = $fb_json->{'id'};
} else {
die($fb_json);
}
if (isset($fb_json->{'email'})) {
$dln_email = $fb_json->{'email'};
}
if (isset($fb_json->{'first_name'})) {
$dln_first_name = $fb_json->{'first_name'};
}
if (isset($fb_json->{'last_name'})) {
$dln_last_name = $fb_json->{'last_name'};
}
if (isset($fb_json->{'username'})) {
$username = $fb_json->{'username'};
}
if (isset($fb_json->{'link'})) {
$dln_profile_url = $fb_json->{'link'};
$dln_name = $dln_first_name . ' ' . $dln_last_name;
$user_login = $username ? strtolower($username) : $dln_email;
}
break;
}
// Cookies used to display welcome message if already signed in recently using some provider
setcookie("social_login_current_provider", $social_login_provider, time() + 3600, SITECOOKIEPATH, COOKIE_DOMAIN, false, true);
// Get user by meta
$user_id = social_login_get_user_by_meta($dln_provider_identity_key, $dln_provider_identity);
if ($user_id) {
$user_data = get_userdata($user_id);
$user_login = $user_data->user_login;
} elseif ($user_id = email_exists($dln_email)) {
// User not found by provider identity, check by email
update_user_meta($user_id, $dln_provider_identity_key, $dln_provider_identity);
$user_data = get_userdata($user_id);
$user_login = $user_data->user_login;
} else {
// Create new user and associate provider identity
if (username_exists($user_login)) {
$user_login = apply_filters('social_login_username_exists', strtolower("dln_" . md5($social_login_provider . $dln_provider_identity)));
}
$userdata = array('user_login' => $user_login, 'user_email' => $dln_email, 'first_name' => $dln_first_name, 'last_name' => $dln_last_name, 'user_url' => $dln_profile_url, 'user_pass' => wp_generate_password());
// Create a new user
$user_id = wp_insert_user($userdata);
if ($user_id && is_integer($user_id)) {
update_user_meta($user_id, $dln_provider_identity_key, $dln_provider_identity);
}
}
if ($user_id instanceof WP_Error) {
var_dump($user_id);
die;
}
if ($dln_provider_identity) {
$exist_ui = dln_get_field('dln_users', 'fbid', "userid={$user_id}");
$access_token = $_REQUEST['social_login_access_token'];
if (!$exist_ui) {
dln_insert_field('dln_users', "(`userid`, `fbid`, `access_token`, `crawl`) VALUES({$user_id}, '{$dln_provider_identity}', '{$access_token}', 0)");
}
}
wp_set_auth_cookie($user_id);
do_action('social_login_login', $user_login);
if ($is_ajax) {
echo '{"redirect":"' . $redirect_to . '"}';
} else {
wp_safe_redirect($redirect_to);
}
exit;
}
/**
* function to get list friends in facebook using ajax
*
* @return json $list
*/
function dln_ajax_list_friend_fb()
{
global $wpdb;
if (!isset($_POST['dln_nonce_check']) || !wp_verify_nonce($_POST['dln_nonce_check'], 'dln_nonce_check')) {
return;
}
if (!$_POST['fbid']) {
return 'false';
}
$fbid = $_POST['fbid'];
$table = $wpdb->prefix . 'dln_users';
$result = $wpdb->get_row($wpdb->prepare("SELECT access_token FROM {$table} WHERE fbid = %s", $fbid));
if (!$result) {
return 0;
}
$request = "https://graph.facebook.com/{$fbid}?fields=friends&access_token={$result->access_token}";
$json_list = dln_curl_get_contents($request);
echo $json_list;
exit;
}
<?php
require_once dirname(dirname(__FILE__)) . '/constants.php';
require_once dirname(__FILE__) . '/base_facebook.php';
require_once dirname(__FILE__) . '/facebook.php';
require_once dirname(dirname(__FILE__)) . '/utils.php';
$client_id = get_option('social_login_facebook_api_key');
$secret_key = get_option('social_login_facebook_secret_key');
if (isset($_GET['code'])) {
$code = $_GET['code'];
$client_id = get_option('social_login_facebook_api_key');
$secret_key = get_option('social_login_facebook_secret_key');
parse_str(dln_curl_get_contents("https://graph.facebook.com/oauth/access_token?" . 'client_id=' . $client_id . '&redirect_uri=' . urlencode(SOCIAL_LOGIN_PLUGIN_URL . '/facebook/callback.php') . '&client_secret=' . $secret_key . '&code=' . urlencode($code)));
$signature = social_login_generate_signature($access_token);
?>
<html>
<head>
<script>
function init() {
window.opener.wp_social_login({'action' : 'social_login', 'social_login_provider' : 'facebook',
'social_login_signature' : '<?php
echo $signature;
?>
',
'social_login_access_token' : '<?php
echo $access_token;
?>
'});
window.close();
}