<?php defined( 'ABSPATH' ) or die( "No script kiddies please!" );
/*
  Plugin name: Social Login WordPress Plugin - AccessPress Social Login Lite
  Plugin URI: https://accesspressthemes.com/wordpress-plugins/accesspress-social-login-lite/
  Description: A plugin to add various social logins to a site.
  version: 3.1.0
  Author: AccessPress Themes
  Author URI: https://accesspressthemes.com/
  Text Domain: accesspress-social-login-lite
  Domain Path: /languages/
  License: GPLv2 or later
*/
//Declearation of the necessary constants for plugin
if( !defined( 'APSL_VERSION' ) ) {
    define( 'APSL_VERSION', '3.1.0' );
}

if( !defined( 'APSL_IMAGE_DIR' ) ) {
    define( 'APSL_IMAGE_DIR', plugin_dir_url( __FILE__ ) . 'images' );
}

if( !defined( 'APSL_JS_DIR' ) ) {
    define( 'APSL_JS_DIR', plugin_dir_url( __FILE__ ) . 'js' );
}

if( !defined( 'APSL_CSS_DIR' ) ) {
    define( 'APSL_CSS_DIR', plugin_dir_url( __FILE__ ) . 'css' );
}

if( !defined( 'APSL_LANG_DIR' ) ) {
    define( 'APSL_LANG_DIR', basename( dirname( __FILE__ ) ) . '/languages/' );
}

if( !defined( 'APSL_TEXT_DOMAIN' ) ) {
    define( 'APSL_TEXT_DOMAIN', 'accesspress-social-login-lite' );
}

if( !defined( 'APSL_SETTINGS' ) ) {
    define( 'APSL_SETTINGS', 'apsl-lite-settings' );
}

if( !defined( 'APSL_PLUGIN_DIR' ) ) {
    define( 'APSL_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
}
/**
 * Register a widget
 *
 */
include_once( 'inc/backend/widget.php' );

if (version_compare(get_bloginfo('version'), '4.3.1', '>=')){
	// Redefine user notification function
	if ( !function_exists('wp_new_user_notification') ) {

	    function wp_new_user_notification( $user_id, $deprecated = null, $notify = 'both' ) {
	    if ( $deprecated !== null ) {
	        _deprecated_argument( __FUNCTION__, '4.3.1' );
	    }

	    global $wpdb, $wp_hasher;
	    $user = get_userdata( $user_id );
	    if ( empty ( $user ) )
	        return;

	    // The blogname option is escaped with esc_html on the way into the database in sanitize_option
	    // we want to reverse this for the plain text arena of emails.
	    $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);

	    $message  = sprintf(__('New user registration on your site %s:'), $blogname) . "\r\n\r\n";
	    $message .= sprintf(__('Username: %s'), $user->user_login) . "\r\n\r\n";
	    $message .= sprintf(__('E-mail: %s'), $user->user_email) . "\r\n";

	    @wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), $blogname), $message);

	    if ( 'admin' === $notify || empty( $notify ) ) {
	        return;
	    }

	    // Generate something random for a password reset key.
	    $key = wp_generate_password( 20, false );

	    /** This action is documented in wp-login.php */
	    do_action( 'retrieve_password_key', $user->user_login, $key );

	    // Now insert the key, hashed, into the DB.
	    if ( empty( $wp_hasher ) ) {
	        require_once ABSPATH . WPINC . '/class-phpass.php';
	        $wp_hasher = new PasswordHash( 8, true );
	    }
	    $hashed = time() . ':' . $wp_hasher->HashPassword( $key );
	    $wpdb->update( $wpdb->users, array( 'user_activation_key' => $hashed ), array( 'user_login' => $user->user_login ) );

	    $message = sprintf(__('Username: %s'), $user->user_login) . "\r\n\r\n";
	    $message .= __('To set your password, visit the following address:') . "\r\n\r\n";
	    $message .= '<' . network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user->user_login), 'login') . ">\r\n\r\n";

	    $message .= wp_login_url() . "\r\n\r\n";
	        $message .= sprintf( __('If you have any problems, please contact us at %s.'), get_option('admin_email') ) . "\r\n\r\n";
	    $message .= __('Adios!') . "\r\n\r\n";

	    wp_mail($user->user_email, sprintf(__('[%s] Your username and password info'), $blogname), $message);
	    }
	}
}else{
	// for wordpress version less than 4.3.1
    // Redefine user notification function
	if(!function_exists( 'wp_new_user_notification' )){
	    function wp_new_user_notification( $user_id, $plaintext_pass = '' ) {
	        $user = new WP_User($user_id);

	        $user_login = stripslashes($user->user_login);
	        $user_email = stripslashes($user->user_email);

	        $message  = sprintf(__('New user registration on your site %s:'), get_option('blogname')) . "\r\n\r\n";
	        $message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
	        $message .= sprintf(__('E-mail: %s'), $user_email) . "\r\n";
	        $message .= __('Thanks!');

	        $headers = 'From:'.get_option('blogname').' <'.get_option('admin_email').'>' . "\r\n";
	        @wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), get_option('blogname')), $message, $headers);

	        if ( empty($plaintext_pass) )
	            return;

	        $message  = __('Hi there,') . "\r\n\r\n";
	        $message .= sprintf(__("Welcome to %s! Here's how to log in:"), get_option('blogname')) . "\r\n\r\n";
	        $message .= wp_login_url() . "\r\n";
	        $message .= sprintf(__('Username: %s'), $user_login) . "\r\n";
	        $message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n\r\n";
	        $message .= sprintf(__('If you have any problems, please contact me at %s.'), get_option('admin_email')) . "\r\n\r\n";
	        $message .= __('Thanks!');

	        $headers = 'From:'.get_option('blogname').' <'.get_option('admin_email').'>' . "\r\n";

	        wp_mail($user_email, sprintf(__('[%s] Your username and password'), get_option('blogname')), $message, $headers);

	    }
	}
}


// Declaration of the class
if( !class_exists( 'APSL_Lite_Class' ) ) {
    
    class APSL_Lite_Class {
        
        var $apsl_settings;
        
        function __construct() {
            $this->apsl_settings = get_option( APSL_SETTINGS );
            add_action( 'init', array($this, 'session_init') ); //start the session if not started yet.
            register_activation_hook( __FILE__, array($this, 'plugin_activation') ); //load the default setting for the plugin while activating
            add_action( 'init', array($this, 'plugin_text_domain') ); //load the plugin text domain
            add_action( 'admin_menu', array($this, 'add_apsl_menu') ); //register the plugin menu in backend
            add_action( 'admin_enqueue_scripts', array($this, 'register_admin_assets') ); //registers all the assets required for wp-admin
            add_action( 'wp_enqueue_scripts', array($this, 'register_frontend_assets') ); // registers all the assets required for the frontend
            add_action( 'admin_post_apsl_save_options', array($this, 'save_settings') ); //save settings of a plugin
            
            $options = get_option( APSL_SETTINGS );
            if( $options['apsl_enable_disable_plugin'] == 'yes' ) {
                if( in_array( "login_form", $options['apsl_display_options'] ) ) {
                    add_action( 'login_form', array($this, 'add_social_login') ); // add the social logins to the login form
                    
                }
                
                if( in_array( "register_form", $options['apsl_display_options'] ) ) {
                    add_action( 'register_form', array($this, 'add_social_login') ); //add the social logins to the registration form
                    add_action( 'after_signup_form', array($this, 'add_social_login') );
                }
                
                if( in_array( "comment_form", $options['apsl_display_options'] ) ) {
                    add_action( 'comment_form_top', array($this, 'add_social_login_form_to_comment') ); //add the social logins to the comment form
                    add_action( 'comment_form_must_log_in_after', array($this, 'add_social_login_form_to_comment') ); // add the social login buttons if “Users must be registered and logged in to comment” checked in the discussions settings.
                    
                }
            }
            
            add_shortcode( 'apsl-login-lite', array($this, 'apsl_shortcode') ); //adds a shortcode
            add_action( 'init', array($this, 'login_check') ); //check for the social logins
            add_action( 'widgets_init', array($this, 'register_apsl_widget') ); //register the widget of a plugin
            add_action( 'login_enqueue_scripts', array($this, 'apsl_login_form_enqueue_style'), 10 );
            add_action( 'login_enqueue_scripts', array($this, 'apsl_login_form__enqueue_script'), 1 );
            add_action( 'admin_post_apsl_restore_default_settings', array($this, 'apsl_restore_default_settings') ); //restores default settings.
            
            
            /**
             * Hook to display custom avatars
             */
            add_filter( 'get_avatar', array($this, 'apsl_social_login_custom_avatar'), 10, 5 );
        }
        
        function apsl_social_login_custom_avatar( $avatar, $mixed, $size, $default, $alt = '' ) {
            $options = get_option( APSL_SETTINGS );
            //Check if we have an user identifier
            if( is_numeric( $mixed ) AND $mixed > 0 ) {
                $user_id = $mixed;
            }
            //Check if we have an user email
            elseif( is_string( $mixed ) AND( $user = get_user_by( 'email', $mixed ) ) ) {
                $user_id = $user->ID;
            }
            //Check if we have an user object
            elseif( is_object( $mixed ) AND property_exists( $mixed, 'user_id' ) AND is_numeric( $mixed->user_id ) ) {
                $user_id = $mixed->user_id;
            }
            //None found
            else {
                $user_id = null;
            }
            //User found?
            if( !empty( $user_id ) ) {
                //Override current avatar ?
                $override_avatar = true;
                //Read the avatar
                $user_meta_thumbnail = get_user_meta( $user_id, 'deuimage', true );
                //read user details
                $user_meta_name = get_user_meta( $user_id, 'first_name', true );
                
                if( $options['apsl_user_avatar_options'] == 'social' ) {
                    $user_picture =( !empty( $user_meta_thumbnail ) ? $user_meta_thumbnail : '' );
                    //Avatar found?
                    if( $user_picture !== false AND strlen( trim( $user_picture ) ) > 0 ) {
                        return '<img alt="' . $user_meta_name . '" src="' . $user_picture . '" class="avatar apsl-avatar-social-login avatar-' . $size . ' photo" height="' . $size . '" width="' . $size . '" />';
                    }
                }
            }
            return $avatar;
        }
        //starts the session with the call of init hook
        function session_init() {
            if( !session_id() && !headers_sent() ) {
                session_start();
            }
        }
        //load the default settings of the plugin
        function plugin_activation() {
            if( !get_option( APSL_SETTINGS ) ) {
                include( 'inc/backend/activation.php' );
            }
        }
        //loads the text domain for translation
        function plugin_text_domain() {
            load_plugin_textdomain( 'accesspress-social-login-lite', false, APSL_LANG_DIR );
        }
        //register the plugin menu for backend.
        function add_apsl_menu() {
            add_menu_page( 'AccessPress Social Login Lite', 'AccessPress Social Login Lite', 'manage_options', 'accesspress-social-login-lite', array($this, 'main_page'), APSL_IMAGE_DIR . '/icon.png' );
        }
        //menu page
        function main_page() {
            include( 'inc/backend/main-page.php' );
        }
        //registration of the backend assets
        function register_admin_assets() {
            wp_enqueue_style( 'fontawsome-css', '//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css', '', APSL_VERSION );
            if( isset( $_GET['page'] ) && $_GET['page'] == 'accesspress-social-login-lite' ) {
                //backend scripts
                wp_enqueue_script( 'jquery-ui-sortable' );
                wp_enqueue_script( 'apsl-admin-js', APSL_JS_DIR . '/backend.js', array('jquery', 'jquery-ui-sortable'), APSL_VERSION ); //registering plugin's admin js
                //register backend css
                wp_enqueue_style( 'apsl-backend-css', APSL_CSS_DIR . '/backend.css', '', APSL_VERSION );
            }
        }
        //registration of the plugins frontend assets
        function register_frontend_assets() {
            //register frontend scripts
            wp_enqueue_script( 'apsl-frontend-js', APSL_JS_DIR . '/frontend.js', array('jquery'), APSL_VERSION );
            
            //register frontend css
            wp_enqueue_style( 'fontawsome-css', '//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css', '', APSL_VERSION );
            wp_enqueue_style( 'apsl-frontend-css', APSL_CSS_DIR . '/frontend.css', '', APSL_VERSION );
        }
        //save the settings of a plugin
        function save_settings() {
            if( isset( $_POST['apsl_save_settings'] ) && $_POST['apsl_settings_action'] && wp_verify_nonce( $_POST['apsl_settings_action'], 'apsl_nonce_save_settings' ) ) {
                include( 'inc/backend/save-settings.php' );
            }
            else {
                die( 'No script kiddies please!' );
            }
        }
        //function to add the social login in the login and registration form.
        function add_social_login() {
            if( !is_user_logged_in() ) {
                include( 'inc/frontend/login_integration.php' );
            }
        }
        //function to add the social login in the comment form.
        function add_social_login_form_to_comment() {
            $options = get_option( APSL_SETTINGS );
            $login_text = $options['apsl_title_text_field'];
            if( !is_user_logged_in() ) {
                echo do_shortcode( "[apsl-login-lite login_text='{$login_text}']" );
            }
        }
        //function for adding shortcode of a plugin
        function apsl_shortcode( $attr ) {
            ob_start();
            include( 'inc/frontend/shortcode.php' );
            $html = ob_get_contents();
            ob_get_clean();
            return $html;
        }
        //checking of the login
        function login_check() {
            include( 'inc/frontend/login_check.php' );
        }
        //registration of the social login widget
        function register_apsl_widget() {
            register_widget( 'APSL_Lite_Widget' );
        }
        
        function apsl_login_form_enqueue_style() {
            wp_enqueue_style( 'fontawsome-css', '//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css', '', APSL_VERSION );
            wp_enqueue_style( 'apsl-backend-css', APSL_CSS_DIR . '/backend.css', '', APSL_VERSION );
            wp_enqueue_style( 'apsl-frontend-css', APSL_CSS_DIR . '/frontend.css', '', APSL_VERSION );
        }
        
        function apsl_login_form__enqueue_script() {
            wp_enqueue_script( 'apsl-admin-js', APSL_JS_DIR . '/backend.js', array('jquery', 'jquery-ui-sortable'), APSL_VERSION ); //registering plugin's admin js
            
        }
        
        function apsl_restore_default_settings() {
            $nonce = $_REQUEST['_wpnonce'];
            if( !empty( $_GET ) && wp_verify_nonce( $nonce, 'apsl-restore-default-settings-nonce' ) ) {
                //restore the default plugin activation settings from the activation page.
                include( 'inc/backend/activation.php' );
                $_SESSION['apsl_message'] = __( 'Settings restored Successfully.', 'accesspress-social-login-lite' );
                wp_redirect( admin_url() . 'admin.php?page=' . 'accesspress-social-login-lite' );
                exit;
            }
            else {
                die( 'No script kiddies please!' );
            }
        }
    } //class termination

}
$apsl_object = new APSL_Lite_Class();