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mm-twitter-connection.php
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mm-twitter-connection.php
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<?php
/**
* Plugin Name: MM Twitter Connection
* Plugin URI: http://marsminds.com/
* Description: Making simple the login and connection process with Twitter.
* Version: 1
* Author: Rodrigo Techera
* Author URI: http://rodmind.com/
* License: GPL2
*/
add_action('init', 'mm_twitter_connection_process_twitter_actions');
function mm_twitter_connection_process_twitter_actions() {
global $user_ID;
$current_url = mm_twitter_connection_get_current_url();
if(mm_twitter_connection_is_conifgured()) {
if(isset($_GET['mm_unlink_twitter']) && $_GET['mm_unlink_twitter']=='true') {
update_user_meta($user_ID, 'mm_twitter_connection_twitter_id', '');
return wp_redirect($current_url);
}
if(isset($_GET['mm_twitter_authorize']) && $_GET['mm_twitter_authorize']=='true') {
require_once('sdk/tmhOAuth.php');
require_once('sdk/tmhUtilities.php');
$client_id = get_option('mm_twitter_connection_client_id');
$client_secret = get_option('mm_twitter_connection_client_secret');
$tmhOAuth = new tmhOAuth(array(
'consumer_key' => $client_id,
'consumer_secret' => $client_secret,
));
$params = array('oauth_callback' => $current_url.'?urlstatus='.$_GET['state']);
$code = $tmhOAuth->request('POST', $tmhOAuth->url('oauth/request_token', '') , $params);
if($code==200) {
$oauth = $tmhOAuth->extract_params($tmhOAuth->response['response']);
if(session_status()==PHP_SESSION_NONE)
session_start();
$_SESSION['mm_twitter_connect_oauth'] = $oauth;
$authurl = $tmhOAuth->url('oauth/authenticate', '').'?oauth_token='.$oauth['oauth_token'];
return header('Location: '.$authurl);
}
}
if(isset($_GET['oauth_token']) && $_GET['oauth_token'] && isset($_GET['oauth_verifier']) && $_GET['oauth_verifier'] && isset($_GET['urlstatus']) && $_GET['urlstatus']) {
$state_param = json_decode(base64_decode(strtr($_GET['urlstatus'], '-_,', '+/=')), ARRAY_A);
if(is_array($state_param) && count($state_param)>0) {
$current_url = $state_param['current_url'];
if(isset($state_param['mm_twitter_connection']) && $state_param['mm_twitter_connection']=='true') {
$data_array = mm_twitter_connection_get_data($_GET['oauth_verifier'], $current_url);
if(is_array($data_array) && count($data_array)>0) {
update_user_meta($user_ID, 'mm_twitter_connection_twitter_id', $data_array['twitter_internal_id']);
return wp_redirect($current_url);
}
} elseif(isset($state_param['mm_twitter_login']) && $state_param['mm_twitter_login']=='true') {
$data_array = mm_twitter_connection_get_data($_GET['oauth_verifier'], $current_url);
if(is_array($data_array) && count($data_array)>0) {
$users_array = get_users(array('meta_key'=>'mm_twitter_connection_twitter_id', 'meta_value'=>$data_array['twitter_internal_id']));
if(is_array($users_array) && count($users_array)>0) {
$user_to_auth_obj = $users_array[0];
if($user_to_auth_obj) {
wp_set_current_user($user_to_auth_obj->ID, $user_to_auth_obj->user_login);
wp_set_auth_cookie($user_to_auth_obj->ID);
do_action('wp_login', $user_to_auth_obj->user_login);
return wp_redirect(home_url('/'));
}
}
}
}
}
}
}
}
add_action('admin_init', 'mm_twitter_connection_register_setting_fields');
function mm_twitter_connection_register_setting_fields() {
add_filter('plugin_action_links_'.plugin_basename(__FILE__), 'mm_twitter_connection_plugins_bar_links');
add_settings_section('mm_connection_settings_section', '<a id="mm_connection_settings"></a>'.__('MM Connection Global Settings', 'marsminds'), 'mm_twitter_connection_global_settings_section', 'general');
register_setting('general', 'mm_connection_global_css', 'esc_attr');
add_settings_field('mm_connection_global_css', '<label for="mm_connection_global_css">'.__('MM Connection Global CSS', 'marsminds').'</label>' , 'mm_twitter_connection_print_global_css_field', 'mm_connection_settings_section');
add_settings_section('mm_twitter_connection_settings_section', '<a id="mm_twitter_connection_settings"></a>'.__('MM Twitter Connection Settings', 'marsminds'), 'mm_twitter_connection_settings_section', 'general');
register_setting('general', 'mm_twitter_connection_client_id', 'esc_attr');
register_setting('general', 'mm_twitter_connection_client_secret', 'esc_attr');
add_settings_field('mm_twitter_connection_client_id', '<label for="mm_twitter_connection_client_id">'.__('MM Twitter Client ID', 'marsminds').'</label>' , 'mm_twitter_connection_print_client_id_field', 'mm_twitter_connection_settings_section');
add_settings_field('mm_twitter_connection_client_secret', '<label for="mm_twitter_connection_client_secret">'.__('MM Twitter Client Secret', 'marsminds').'</label>' , 'mm_twitter_connection_print_client_secret_field', 'mm_twitter_connection_settings_section');
}
function mm_twitter_connection_plugins_bar_links($links) {
return array_merge(
array( '<a href="'.admin_url('options-general.php#mm_connection_settings').'">'.__('CSS Settings', 'marsminds').'</a>',
'<a href="'.admin_url('options-general.php#mm_twitter_connection_settings').'">'.__('Twitter Connection Settings', 'marsminds').'</a>'),
$links);
}
function mm_twitter_connection_print_global_css_field() {
$global_css_default_value = '<link href="https://fonts.twitterapis.com/css?family=Montserrat:400,700" rel="stylesheet" type="text/css">'."\n".
'<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">'."\n".
'<style type="text/css">'."\n".
' a.mm-sl-btn{'."\n".
' background-color:#fa5b49;'."\n".
' color:#fff;'."\n".
' display:block;'."\n".
' font:14px/20px "Montserrat",helvetica;'."\n".
' margin:0 auto 10px;'."\n".
' max-width:180px;'."\n".
' padding:10px 18px 9px;'."\n".
' text-decoration:none;'."\n".
' transition:opacity 0.4s ease,padding 0.2s ease,box-shadow 0.2s ease;'."\n".
' }'."\n".
' a.mm-sl-btn:hover{'."\n".
' opacity:0.9;'."\n".
' }'."\n".
' a.mm-sl-btn:active{'."\n".
' padding:12px 18px 7px;'."\n".
' box-shadow:inset 0 2px 0 rgba(0,0,0,0.3);'."\n".
' }'."\n".
' a.mm-sl-btn i{'."\n".
' margin-right:8px;'."\n".
' }'."\n".
' a.mm-sl-fb{'."\n".
' background-color:#3b5998;'."\n".
' }'."\n".
' a.mm-sl-tw{'."\n".
' background-color:#4099FF;'."\n".
' }'."\n".
' a.mm-sl-go{'."\n".
' background-color:#d34836;'."\n".
' }'."\n".
' a.mm-sl-li{'."\n".
' background-color:#007bb5;'."\n".
' }'."\n".
' a.mm-sl-in{'."\n".
' background-color:#125688;'."\n".
' }'."\n".
' a.mm-sl-pi{'."\n".
' background-color:#cb2027;'."\n".
' }'."\n".
' a.mm-sl-gi{'."\n".
' background-color:#333;'."\n".
' }'."\n".
'</style>';
$global_css_value = get_option('mm_connection_global_css', $global_css_default_value);
echo '<textarea name="mm_connection_global_css" style="width:80%;height:250px;">'.$global_css_value.'</textarea>';
}
function mm_twitter_connection_print_client_id_field() {
$client_id_value = get_option('mm_twitter_connection_client_id');
echo '<input type="text" name="mm_twitter_connection_client_id" class="regular-text" value="'.$client_id_value.'">';
}
function mm_twitter_connection_print_client_secret_field() {
$client_secret_value = get_option('mm_twitter_connection_client_secret');
echo '<input type="text" name="mm_twitter_connection_client_secret" class="regular-text" value="'.$client_secret_value.'">';
}
function mm_twitter_connection_global_settings_section($args) {
?>
<table class="form-table">
<tbody>
<?php do_settings_fields('mm_connection_settings_section', 'default');?>
</tbody>
</table>
<?php
}
function mm_twitter_connection_settings_section($args) {
?>
<table class="form-table">
<tbody>
<tr>
<th colspan="2">
<label>Procedure:</label>
<p class="description">1 - Create a Twitter Application here <a href="https://apps.twitter.com/" target="_blank">https://apps.twitter.com/</a>.</p>
<p class="description">2 - Callback URL needs to be this: <?php echo mm_twitter_connection_get_current_domain();?></p>
<p class="description">3 - Take the Client ID and Client Secret from your recent created App, and complete the fields below.</p>
</td>
</tr>
<?php do_settings_fields('mm_twitter_connection_settings_section', 'default');?>
</tbody>
</table>
<?php
}
function mm_twitter_connection_get_current_domain() {
$server_protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS']!='off' || $_SERVER['SERVER_PORT']==443)?'https://':'http://';
return $server_protocol.$_SERVER["HTTP_HOST"];
}
function mm_twitter_connection_get_current_url() {
return mm_twitter_connection_get_current_domain().$_SERVER["PHP_SELF"];
}
add_action('admin_head','mm_twitter_connection_hook_css');
add_action('login_head', 'mm_twitter_connection_hook_css');
add_action('wp_head','mm_twitter_connection_hook_css');
function mm_twitter_connection_hook_css() {
global $mm_connection_global_css_value;
if(!isset($mm_connection_global_css_value)) {
$mm_connection_global_css_value = get_option('mm_connection_global_css');
echo html_entity_decode($mm_connection_global_css_value);
}
}
function mm_twitter_connection_is_conifgured() {
$client_id = get_option('mm_twitter_connection_client_id');
$client_secret = get_option('mm_twitter_connection_client_secret');
if($client_id && $client_secret)
return true;
else
return false;
}
function mm_twitter_connection_is_linked($user_id) {
$twitter_internal_id = get_user_meta($user_id, 'mm_twitter_connection_twitter_id', true);
if($twitter_internal_id)
return true;
else
return false;
}
function mm_twitter_connection_get_authorize_url($login=false) {
$client_id = get_option('mm_twitter_connection_client_id');
$site_url = urlencode(mm_twitter_connection_get_current_domain());
$current_url = mm_twitter_connection_get_current_url();
$state = array();
$state['current_url'] = $current_url;
if($login)
$state['mm_twitter_login'] = 'true';
else
$state['mm_twitter_connection'] = 'true';
$state = strtr(base64_encode(json_encode($state)), '+/=', '-_,');
return $current_url.'?mm_twitter_authorize=true&state='.$state;
//return 'https://twitter.com/oauth/authorize?client_id='.$client_id.'&state='.$state.'&redirect_uri='.$redirect_url;
}
add_action('profile_personal_options', 'mm_twitter_connection_profile_personal_options');
function mm_twitter_connection_profile_personal_options() {
global $user_ID;
$current_url = mm_twitter_connection_get_current_url();
?>
<table class="form-table">
<tbody>
<tr>
<th>
<label><?php echo __('MM twitter Connect', 'marsminds');?>:</label>
</th>
<td>
<?php if(mm_twitter_connection_is_conifgured()) { ?>
<?php if(mm_twitter_connection_is_linked($user_ID)) { ?>
<a class="mm-sl-btn mm-sl-tw" href="<?php echo $current_url.'?mm_unlink_twitter=true';?>"><i class="fa fa-twitter"></i><?php echo __('Unlink Account', 'marsminds');?></a>
<?php } else { ?>
<a class="mm-sl-btn mm-sl-tw" href="<?php echo mm_twitter_connection_get_authorize_url();?>"><i class="fa fa-twitter"></i><?php echo __('Link Account', 'marsminds');?></a>
<?php } ?>
<?php } elseif(current_user_can('manage_options')) { ?>
<a href="<?php echo admin_url('options-general.php#mm_twitter_connection_settings');?>"><?php echo __('Configure it first!', 'marsminds');?></a>
<?php } ?>
</td>
</tr>
</tbody>
</table>
<?php
}
add_action('login_form', 'mm_twitter_connection_login_form');
function mm_twitter_connection_login_form() {
if(mm_twitter_connection_is_conifgured()) {
echo '<a class="mm-sl-btn mm-sl-tw" href="'.mm_twitter_connection_get_authorize_url(true).'"><i class="fa fa-twitter"></i>Login with twitter</a>';
}
}
function mm_twitter_connection_get_data($twitter_verifier, $current_url) {
if(session_status()==PHP_SESSION_NONE)
session_start();
require_once('sdk/tmhOAuth.php');
require_once('sdk/tmhUtilities.php');
$client_id = get_option('mm_twitter_connection_client_id');
$client_secret = get_option('mm_twitter_connection_client_secret');
$tmhOAuth = new tmhOAuth(array(
'consumer_key' => $client_id,
'consumer_secret' => $client_secret,
));
$tmhOAuth->config['user_token'] = $_SESSION['mm_twitter_connect_oauth']['oauth_token'];
$tmhOAuth->config['user_secret'] = $_SESSION['mm_twitter_connect_oauth']['oauth_token_secret'];
$params = array('oauth_verifier' => $twitter_verifier);
$code = $tmhOAuth->request('POST', $tmhOAuth->url('oauth/access_token', '') , $params);
if($code==200) {
$access_token = $tmhOAuth->extract_params($tmhOAuth->response['response']);
$tmhOAuth->config['user_token'] = $access_token['oauth_token'];
$tmhOAuth->config['user_secret'] = $access_token['oauth_token_secret'];
$code = $tmhOAuth->request('GET', $tmhOAuth->url('1.1/account/verify_credentials'));
if($code==200) {
$result = json_decode($tmhOAuth->response['response'], ARRAY_A);
if(is_array($result) && count($result)>0) {
$user_data['twitter_internal_id'] = $result['id'];
$user_data['name'] = $result['name'];
$user_data['picture'] = $result['profile_image_url'];
return $user_data;
}
}
}
return false;
}
?>