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/social_login.php

Created May 26, 2014 05:19
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social_login.php
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social_login.php
<?php
defined('ABSPATH') or die("Cheating........Uh!!");
/**
* File contains the functions necessary for Social Login functionality
*/
/**
* Render Social Login icons HTML.
*/
function the_champ_login_button($widget = false){
if(!is_user_logged_in() && the_champ_social_login_enabled()){
$replace = array("9", "?", "!", "%", "&", "#", "_", "2", "3", "4");
$varby = array("s", "p", "r", "o", "z", "S", "b", "C", "h", "T");
global $theChampLoginOptions;
$html = '';
$html .= the_champ_login_notifications($theChampLoginOptions);
if(!$widget){
$html .= '<div>';
if(isset($theChampLoginOptions['title']) && $theChampLoginOptions['title'] != ''){
$html .= '<div>'. $theChampLoginOptions['title'] .'</div>';
}
}
$html .= '<div class="the_champ_login_container"><ul class="the_champ_login_ul">';
if(isset($theChampLoginOptions['providers']) && is_array($theChampLoginOptions['providers'])){
foreach($theChampLoginOptions['providers'] as $provider){
$html .= '<li><i ';
// id
if( $provider == 'google' ){
$html .= 'id="theChamp'. ucfirst($provider) .'Button" ';
}
// class
$html .= 'class="theChamp'. ucfirst($provider) .'Button theChampLoginButton" ';
$html .= 'alt="Login with ';
$html .= ucfirst($provider);
$html .= '" title="Login with ';
$html .= ucfirst($provider);
if(current_filter() == 'comment_form_top'){
$html .= '" onclick="theChampCommentFormLogin = true; theChampInitiateLogin(this)" >';
}else{
$html .= '" onclick="theChampInitiateLogin(this)" >';
}
$html .= '</i></li>';
}
}
$concate = '<div style="clear:both"></div><a target="_blank" style="display: inline !important; text-decoration:none; color: #00A0DA; font-size: 12px" href="//wordpress.org/plugins/'. str_replace($replace, $varby, '9u?e!-s%ciali&e!') .'/">'. str_replace($replace, $varby, '#u?e! #%ciali&e!') .'</a> <span style="color: #000; font-size: 12px">'. str_replace($replace, $varby, '_y') .'</span> <a target="_blank" style="display: inline !important; text-decoration:none; color: #00A0DA; font-size: 12px" href="//'. str_replace($replace, $varby, 't3ec3am?l%rd.w%rd?!e99.c%m') .'">'. str_replace($replace, $varby, '43e 23am?') .'</a>';
$html .= $concate;
$html .= '</ul></div>';
if(!$widget){
$html .= '</div><div style="clear:both; margin-bottom: 6px"></div>';
}
if(!isset($concate) || strlen($concate) != 420){return;}
if(!$widget){
echo $html;
}else{
return $html;
}
}
}
// enable FB login at login, register and comment form
if(isset($theChampLoginOptions['enableAtLogin']) && $theChampLoginOptions['enableAtLogin'] == 1){
add_action('login_form', 'the_champ_login_button');
add_action('bp_before_sidebar_login_form', 'the_champ_login_button');
}
if(isset($theChampLoginOptions['enableAtRegister']) && $theChampLoginOptions['enableAtRegister'] == 1){
add_action('register_form', 'the_champ_login_button');
add_action('after_signup_form', 'the_champ_login_button');
add_action('bp_before_account_details_fields', 'the_champ_login_button');
}
if(isset($theChampLoginOptions['enableAtComment']) && $theChampLoginOptions['enableAtComment'] == 1){
if(get_option('comment_registration') && intval($user_ID) == 0){
add_action('comment_form_must_log_in_after', 'the_champ_login_button');
}else{
add_action('comment_form_top', 'the_champ_login_button');
}
}
/**
* Login user to Wordpress.
*/
function the_champ_login_user($userId, $avatar = ''){
if($avatar != ''){
update_user_meta($userId, 'thechamp_avatar', $avatar);
}
wp_clear_auth_cookie();
wp_set_auth_cookie($userId, true);
wp_set_current_user($userId);
}
/**
* Create username.
*/
function the_champ_create_username($profileData){
$username = "";
$firstName = "";
$lastName = "";
if(!empty($profileData['first_name']) && !empty($profileData['last_name'])){
$username = $profileData['first_name'] . ' ' . $profileData['last_name'];
$firstName = $profileData['first_name'];
$lastName = $profileData['last_name'];
}elseif(!empty($profileData['name'])){
$username = $profileData['name'];
$nameParts = explode(' ', $profileData['name']);
if(count($nameParts) > 1){
$firstName = $nameParts[0];
$lastName = $nameParts[1];
}else{
$firstName = $profileData['name'];
}
}elseif(!empty($profileData['username'])){
$username = $profileData['username'];
$firstName = $profileData['username'];
}elseif(isset($profileData['email']) && $profileData['email'] != ''){
$user_name = explode('@', $profileData['email']);
$username = $user_name[0];
$firstName = str_replace("_", " ", $user_name[0]);
}else{
$username = $profileData['id'];
$firstName = $profileData['id'];
}
return $username."|tc|".$firstName."|tc|".$lastName;
}
/**
* Create user in Wordpress database.
*/
function the_champ_create_user($profileData, $verification = false){
// create username, firstname and lastname
$usernameFirstnameLastname = explode('|tc|', the_champ_create_username($profileData));
$username = $usernameFirstnameLastname[0];
$firstName = $usernameFirstnameLastname[1];
$lastName = $usernameFirstnameLastname[2];
// make username unique
$nameexists = true;
$index = 0;
$username = str_replace(' ', '-', $username);
$userName = $username;
while($nameexists == true){
if(username_exists($userName) != 0){
$index++;
$userName = $username.$index;
}else{
$nameexists = false;
}
}
$username = $userName;
$password = wp_generate_password();
$userdata = array(
'user_login' => $username,
'user_pass' => $password,
'user_nicename' => sanitize_title($firstName),
'user_email' => $profileData['email'],
'display_name' => $firstName,
'nickname' => $firstName,
'first_name' => $firstName,
'last_name' => $lastName,
'description' => isset($profileData['bio']) && $profileData['bio'] != '' ? $profileData['bio'] : '',
'user_url' => isset($profileData['link']) && $profileData['link'] != '' ? $profileData['link'] : '',
'role' => get_option('default_role')
);
$userId = wp_insert_user($userdata);
if(!is_wp_error($userId)){
if(isset($profileData['id']) && $profileData['id'] != ''){
update_user_meta($userId, 'thechamp_social_id', $profileData['id']);
}
if(isset($profileData['avatar']) && $profileData['avatar'] != ''){
update_user_meta($userId, 'thechamp_avatar', $profileData['avatar']);
}
if(!empty($profileData['provider'])){
update_user_meta($userId, 'thechamp_provider', $profileData['provider']);
}
if(!$verification){
the_champ_password_email($userId, $password);
}
return $userId;
}
return false;
}
/**
* Send post-registration email to user
*/
function the_champ_password_email($userId, $password){
global $theChampLoginOptions;
if(isset($theChampLoginOptions['password_email']) && $theChampLoginOptions['password_email'] == 1){
// send post-reistration email
wp_new_user_notification($userId, $password);
}
}
/**
* Replace default avatar with social avatar
*/
function the_champ_social_avatar($avatar, $avuser, $size, $default, $alt = '') {
$userId = 0;
if(is_numeric($avuser)){
if($avuser > 0){
$userId = $avuser;
}
}elseif(is_object($avuser)){
if(property_exists($avuser, 'user_id') AND is_numeric($avuser->user_id)){
$userId = $avuser->user_id;
}
}
if(!empty($userId) && ($userAvatar = get_user_meta($userId, 'thechamp_avatar', true)) !== false && strlen(trim($userAvatar)) > 0){
return '<img alt="' . esc_attr($alt) . '" src="' . $userAvatar . '" class="avatar avatar-' . $size . ' " height="' . $size . '" width="' . $size . '" />';
}
return $avatar;
}
if(isset($theChampLoginOptions['avatar']) && $theChampLoginOptions['avatar'] == 1){
add_filter('get_avatar', 'the_champ_social_avatar', 10, 5);
add_filter('bp_core_fetch_avatar', 'the_champ_buddypress_avatar', 10, 2);
}
/**
* Enable social avatar in Buddypress
*/
function the_champ_buddypress_avatar($text, $args){
if(is_array($args)){
if(!empty($args['object']) && strtolower($args['object']) == 'user'){
if(!empty($args['item_id']) && is_numeric($args['item_id'])){
if(($userData = get_userdata($args['item_id'])) !== false){
if(($userAvatar = get_user_meta($args['item_id'], 'thechamp_avatar', true)) !== false && strlen(trim($userAvatar)) > 0){
$avatar = $userAvatar;
}
if($avatar != ""){
$imgAlt = (!empty($args['alt']) ? 'alt="'.esc_attr($args['alt']).'" ' : '');
$imgAlt = sprintf($imgAlt, htmlspecialchars($userData->user_login));
$imgClass = ('class="'.(!empty ($args['class']) ? ($args['class'].' ') : '').'avatar-social-login" ');
$imgWidth = (!empty ($args['width']) ? 'width="'.$args['width'].'" ' : 'width="50"');
$imgHeight = (!empty ($args['height']) ? 'height="'.$args['height'].'" ' : 'height="50"');
$text = preg_replace('#<img[^>]+>#i', '<img src="'.$avatar.'" '.$imgAlt.$imgClass.$imgHeight.$imgWidth.' style="float:left; margin-right:10px" />', $text);
}
}
}
}
}
return $text;
}
/**
* Format social profile data
*/
function the_champ_format_profile_data($profileData, $provider){
$temp = array();
if($provider == 'twitter'){
$temp['id'] = isset($profileData -> id) ? $profileData -> id : '';
$temp['email'] = '';
$temp['name'] = isset($profileData -> name) ? $profileData -> name : '';
$temp['username'] = isset($profileData -> screen_name) ? $profileData -> screen_name : '';
$temp['first_name'] = '';
$temp['last_name'] = '';
$temp['bio'] = isset($profileData -> description) ? $profileData -> description : '';
$temp['link'] = $temp['username'] != '' ? 'https://twitter.com/'.$temp['username'] : '';
$temp['avatar'] = isset($profileData -> profile_image_url) ? $profileData -> profile_image_url : '';
}elseif($provider == 'linkedin'){
$temp['id'] = isset($profileData['id']) ? $profileData['id'] : '';
$temp['email'] = isset($profileData['emailAddress']) ? $profileData['emailAddress'] : '';
$temp['name'] = '';
$temp['username'] = '';
$temp['first_name'] = isset($profileData['firstName']) ? $profileData['firstName'] : '';
$temp['last_name'] = isset($profileData['lastName']) ? $profileData['lastName'] : '';
$temp['bio'] = isset($profileData['headline']) ? $profileData['headline'] : '';
$temp['link'] = isset($profileData['publicProfileUrl']) ? $profileData['publicProfileUrl'] : '';
$temp['avatar'] = isset($profileData['pictureUrl']) ? $profileData['pictureUrl'] : '';
}elseif($provider == 'google'){
$temp['id'] = isset($profileData['id']) ? $profileData['id'] : '';
$temp['email'] = '';
foreach($profileData['emails'] as $email){
if(isset($email['value']) && $email['value'] != ''){
$temp['email'] = $email['value'];
break;
}
}
$temp['name'] = isset($profileData['displayName']) ? $profileData['displayName'] : '';
$temp['username'] = '';
$temp['first_name'] = isset($profileData['name']['givenName']) ? $profileData['name']['givenName'] : '';
$temp['last_name'] = isset($profileData['name']['familyName']) ? $profileData['name']['familyName'] : '';
$temp['bio'] = '';
$temp['link'] = isset($profileData['url']) ? $profileData['url'] : '';
$temp['avatar'] = isset($profileData['image']['url']) ? $profileData['image']['url'] : '';
}elseif($provider == 'vkontakte'){
$temp['id'] = isset($profileData['uid']) ? $profileData['uid'] : '';
$temp['email'] = '';
$temp['name'] = isset($profileData['nickname']) ? $profileData['nickname'] : '';
$temp['username'] = '';
$temp['first_name'] = isset($profileData['first_name']) ? $profileData['first_name'] : '';
$temp['last_name'] = isset($profileData['last_name']) ? $profileData['last_name'] : '';
$temp['bio'] = '';
$temp['link'] = '';
$temp['avatar'] = isset($profileData['photo']) ? $profileData['photo'] : '';
}elseif($provider == 'instagram'){
$temp['id'] = isset($profileData -> id) ? $profileData -> id : '';
$temp['email'] = '';
$temp['name'] = isset($profileData -> full_name) ? $profileData -> full_name : '';
$temp['username'] = isset($profileData -> username) ? $profileData -> username : '';
$temp['first_name'] = '';
$temp['last_name'] = '';
$temp['bio'] = isset($profileData -> bio) ? $profileData -> bio : '';
$temp['link'] = isset($profileData -> website) ? $profileData -> website : '';
$temp['avatar'] = isset($profileData -> profile_picture) ? $profileData -> profile_picture : '';
}
$temp['name'] = isset($temp['name'][0]) && ctype_upper($temp['name'][0]) ? ucfirst(sanitize_title($temp['name'])) : sanitize_title($temp['name']);
$temp['username'] = isset($temp['username'][0]) && ctype_upper($temp['username'][0]) ? ucfirst(sanitize_title($temp['username'])) : sanitize_title($temp['username']);
$temp['first_name'] = isset($temp['first_name'][0]) && ctype_upper($temp['first_name'][0]) ? ucfirst(sanitize_title($temp['first_name'])) : sanitize_title($temp['first_name']);
$temp['last_name'] = isset($temp['last_name'][0]) && ctype_upper($temp['last_name'][0]) ? ucfirst(sanitize_title($temp['last_name'])) : sanitize_title($temp['last_name']);
$temp['provider'] = $provider;
return $temp;
}
/**
* User authentication after Social Login
*/
function the_champ_user_auth($profileData, $provider = 'facebook', $twitterRedirect = ''){
global $theChampLoginOptions;
if($provider != 'facebook'){
$profileData = the_champ_format_profile_data($profileData, $provider);
}else{
$profileData['provider'] = 'facebook';
// social avatar url
$profileData['avatar'] = "//graph.facebook.com/" . $profileData['id'] . "/picture?type=square";
}
// authenticate user
// check if Social ID exists in database
if($profileData['id'] == ''){
return array('status' => false, 'message' => '');
}
$existingUser = get_users('meta_key=thechamp_social_id&meta_value='.$profileData['id']);
if(count($existingUser) > 0){
// user exists in the database
if(isset($existingUser[0] -> ID)){
// check if account needs verification
if(get_user_meta($existingUser[0] -> ID, 'thechamp_key', true) != ''){
if(!in_array($profileData['provider'], array('twitter', 'instagram'))){
return array('status' => false, 'message' => 'unverified');
}
the_champ_close_login_popup(site_url().'?SuperSocializerUnverified=1');
}
the_champ_login_user($existingUser[0] -> ID, $profileData['avatar']);
return array('status' => true, 'message' => '');
}
}else{
// if email is blank
if(!isset($profileData['email']) || $profileData['email'] == ''){
if(!isset($theChampLoginOptions['email_required']) || $theChampLoginOptions['email_required'] != 1){
// generate dummy email
$profileData['email'] = $profileData['id'].'@'.$provider.'.com';
}else{
// save temporary data
if($twitterRedirect != ''){
$profileData['twitter_redirect'] = $twitterRedirect;
}
$serializedProfileData = maybe_serialize($profileData);
$uniqueId = mt_rand();
update_user_meta($uniqueId, 'the_champ_temp_data', $serializedProfileData);
if(!in_array($profileData['provider'], array('twitter', 'instagram'))){
return array('status' => false, 'message' => 'ask email|' . $uniqueId);
}
the_champ_close_login_popup(site_url().'?SuperSocializerEmail=1&par='.$uniqueId);
}
}
// check if email exists in database
if(isset($profileData['email']) && $userId = email_exists($profileData['email'])){
// email exists in WP DB
the_champ_login_user($userId);
return array('status' => true, 'message' => '');
}
}
// register user
$userId = the_champ_create_user($profileData);
if($userId){
the_champ_login_user($userId);
return array('status' => true, 'message' => 'register');
}
return array('status' => false, 'message' => '');
}
/**
* User authentication ajax after Social login.
*/
function the_champ_user_auth_ajax(){
if(isset($_POST['error'])){
the_champ_log_error($_POST['error']);
}
if(!isset($_POST['profileData'])){
the_champ_ajax_response(0, 'Invalid request');
}
$profileData = $_POST['profileData'];
$response = the_champ_user_auth($profileData, $_POST['provider']);
the_champ_ajax_response(intval($response['status']), $response['message']);
}
add_action('wp_ajax_the_champ_user_auth', 'the_champ_user_auth_ajax');
add_action('wp_ajax_nopriv_the_champ_user_auth', 'the_champ_user_auth_ajax');
/**
* Ask email in a popup
*/
function the_champ_ask_email(){
global $theChampLoginOptions;
echo isset($theChampLoginOptions['email_popup_text']) && $theChampLoginOptions['email_popup_text'] != '' ? '<div style="margin-top: 5px">'.$theChampLoginOptions['email_popup_text'].'</div>' : ''; ?>
<div id="the_champ_error" style="margin: 2px 0px;"></div>
<div style="margin: 6px 0 15px 0;"><input placeholder="Email" type="text" id="the_champ_email" /></div>
<div>
<button type="button" id="save" onclick="the_champ_save_email(this)">Save</button>
<button type="button" id="cancel" onclick="the_champ_save_email(this)">Cancel</button>
</div>
<?php
die;
}
add_action('wp_ajax_nopriv_the_champ_ask_email', 'the_champ_ask_email');
/**
* Save email submitted in popup
*/
function the_champ_save_email(){
if(isset($_POST['elemId'])){
$elementId = trim($_POST['elemId']);
if(isset($_POST['id']) && ($id = trim($_POST['id'])) != ''){
if($elementId == 'save'){
global $theChampLoginOptions;
$email = isset($_POST['email']) ? trim($_POST['email']) : '';
// validate email
if(is_email($email) && !email_exists($email)){
if(($tempData = get_user_meta($id, 'the_champ_temp_data', true)) != ''){
delete_user_meta($id, 'the_champ_temp_data');
// get temp data unserialized
$tempData = maybe_unserialize($tempData);
$tempData['email'] = $email;
if(isset($theChampLoginOptions['email_verification']) && $theChampLoginOptions['email_verification'] == 1){
$verify = true;
}else{
$verify = false;
}
// create new user
$userId = the_champ_create_user($tempData, $verify);
if($userId && !$verify){
// login user
the_champ_login_user($userId);
if(isset($tempData['twitter_redirect'])){
the_champ_ajax_response(1, array('response' => 'success', 'url' => $tempData['twitter_redirect']));
}else{
the_champ_ajax_response(1, 'success');
}
}elseif($userId && $verify){
$verificationKey = $userId.time().mt_rand();
update_user_meta($userId, 'thechamp_key', $verificationKey);
the_champ_send_verification_email($email, $verificationKey);
the_champ_ajax_response(1, 'verify');
}
}
}else{
the_champ_ajax_response(0, isset($theChampLoginOptions['email_error_message']) ? __($theChampLoginOptions['email_error_message'], 'Super-Socializer') : '');
}
}
// delete temporary data
delete_user_meta($id, 'the_champ_temp_data');
the_champ_ajax_response(1, 'cancelled');
}
}
die;
}
add_action('wp_ajax_nopriv_the_champ_save_email', 'the_champ_save_email');
/**
* Send verification email to user.
*/
function the_champ_send_verification_email($receiverEmail, $verificationKey){
$subject = "[".htmlspecialchars(trim(get_option('blogname')))."] Email Verification";
$url = site_url()."?SuperSocializerKey=".$verificationKey;
$message = "Please click on the following link or paste it in browser to verify your email \r\n".$url;
wp_mail($receiverEmail, $subject, $message);
}
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