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uix-usercenter.php
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<?php
/**
* Uix UserCenter
*
* @author UIUX Lab <uiuxlab@gmail.com>
*
*
* Plugin name: Uix UserCenter
* Plugin URI: https://uiux.cc/
* Description: Sign-in, registration and publishing system with AJAX, support remote API.
* Version: 1.0.2
* Author: UIUX Lab
* Author URI: https://uiux.cc
* License: GPLv2 or later
* Text Domain: uix-usercenter
* Domain Path: /languages
*/
class UixUserCenter {
const PREFIX = 'uix';
const HELPER = 'uix-usercenter-helper';
const NOTICEID = 'uix-usercenter-helper-tip';
/**
* Initialize
*
*/
public static function init() {
self::setup_constants();
self::includes();
add_action( 'init', array( __CLASS__, 'captcha' ) );
add_action( 'init', array( __CLASS__, 'register_scripts' ) );
add_filter('plugin_action_links_' . plugin_basename(__FILE__), array(__CLASS__, 'actions_links'), -10);
add_action( 'admin_enqueue_scripts', array( __CLASS__, 'backstage_scripts' ) );
add_action( 'wp_enqueue_scripts', array( __CLASS__, 'frontpage_scripts' ) );
add_action('current_screen', array(__CLASS__, 'usage_notice'));
add_action('admin_init', array(__CLASS__, 'tc_i18n'));
add_action('admin_init', array(__CLASS__, 'load_helper'));
add_action('admin_init', array(__CLASS__, 'nag_ignore'));
add_action('admin_menu', array(__CLASS__, 'options_admin_menu'));
//fix Access-Control-Allow-Origin (CORS origin) Issue
add_action( 'init', array( __CLASS__, 'cors_config' ) );
//permission settings
add_action( 'init', array( __CLASS__, 'permission_redirect_loginpage' ) );
add_action( 'wp_head', array( __CLASS__, 'permission_remove_toolbar' ) );
add_action( 'admin_init', array( __CLASS__, 'permission_adminpage_redirect_member' ) );
//Make a virtual page for checkcode
add_action( 'generate_rewrite_rules', array( __CLASS__, 'checkcodepage_rewrite_rules' ) );
add_action( 'template_redirect', array( __CLASS__, 'checkcodepage_template_redirect' ) );
add_action( 'query_vars', array( __CLASS__, 'checkcodepage_custom_query_vars_filter' ) );
}
/**
* Files for the frontend function queue
* (you can cancel them and create your own script,
* or you can set up the script queue in the Settings from admin panel)
*
*/
public static function frontend_js_handle() {
return array(
'utils' => self::get_slug() . '-ajax-utils',
'createnonce' => self::get_slug() . '-ajax-createnonce',
'createcaptcha' => self::get_slug() . '-ajax-createcaptcha',
'curd' => self::get_slug() . '-ajax-curd',
'login' => self::get_slug() . '-ajax-login',
'logout' => self::get_slug() . '-ajax-logout',
'register' => self::get_slug() . '-ajax-register',
'passwordreset' => self::get_slug() . '-ajax-passwordreset',
);
}
/**
* Initialize captcha
*
*/
public static function captcha() {
if ( !get_option( 'uix_usercenter_opt_captchastr' ) || empty(get_option( 'uix_usercenter_opt_captchastr' )) ) {
update_option( 'uix_usercenter_opt_captchastr', 'uix_usercenter_captcha_validate_session' );
}
}
/**
* Setup plugin constants.
*
*/
public static function setup_constants() {
// Plugin Folder Path.
if (!defined('UIX_USERCENTER_PLUGIN_DIR')) {
define('UIX_USERCENTER_PLUGIN_DIR', trailingslashit(plugin_dir_path(__FILE__)));
}
// Plugin Folder URL.
if (!defined('UIX_USERCENTER_PLUGIN_URL')) {
define('UIX_USERCENTER_PLUGIN_URL', trailingslashit(plugin_dir_url(__FILE__)));
}
// Plugin Root File.
if (!defined('UIX_USERCENTER_PLUGIN_FILE')) {
define('UIX_USERCENTER_PLUGIN_FILE', trailingslashit(__FILE__));
}
}
/*
* Include required files.
*
*
*/
public static function includes() {
//Add custom meta boxes API.
//Provides a compatible solution for some personalized themes that require Uix UserCenter.
require_once UIX_USERCENTER_PLUGIN_DIR . 'includes/admin/uix-custom-metaboxes/init.php';
//Core
foreach (glob(UIX_USERCENTER_PLUGIN_DIR . "includes/modules/*.php") as $file) {
if (is_file($file)) {
require_once $file;
}
}
foreach (glob(UIX_USERCENTER_PLUGIN_DIR . "includes/API/*.php") as $file) {
if (is_file($file)) {
require_once $file;
}
}
// custom post type
require_once UIX_USERCENTER_PLUGIN_DIR . "includes/post-type/instance.php";
}
/*
*
*
*/
/*
* Make a virtual page for checkcode
*
* Such as:
* get_site_url() . '/?uix-usercenter=1&checkcode=1&theme=light'
* get_site_url() . '/uix-usercenter/checkcode?theme=light'
*
*/
public static function checkcodepage_rewrite_rules($wp_rewrite) {
$wp_rewrite->rules = array_merge(
['uix-usercenter/checkcode?$' => 'index.php?uix-usercenter=1&checkcode=1'],
$wp_rewrite->rules
);
}
public static function checkcodepage_template_redirect() {
if ( ! get_query_var( 'uix-usercenter' ) || ! get_query_var( 'checkcode' ) ) {
return;
}
require_once UIX_USERCENTER_PLUGIN_DIR . "includes/plugins/checkcode/index.php";
die();
}
public static function checkcodepage_custom_query_vars_filter($vars) {
$vars[] .= 'uix-usercenter';
$vars[] .= 'checkcode';
return $vars;
}
/*
* Fix Access-Control-Allow-Origin (CORS origin) Issue
*
* !!! Make AJAX requests for different domains valid
*
*/
public static function cors_config() {
$origin = get_http_origin();
// Allow CORS domains
$_domains = get_option( 'uix_usercenter_opt_corsdomains' );
function trim_value(&$value) {
$value = trim($value);
}
$_domains = rtrim(trim($_domains), ',');
$allow_domains = explode(',', $_domains);
array_walk($allow_domains, 'trim_value');
foreach($allow_domains as $domain) {
if ($origin === $domain) {
header("Access-Control-Allow-Methods: HEAD, GET, POST, DELETE, PUT, OPTIONS");
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Headers: *');
header('Access-Control-Allow-Credentials: true');
if ('OPTIONS' == $_SERVER['REQUEST_METHOD']) {
status_header(200);
exit();
}
}
}
}
/*
* Permission settings (Redirect it to a custom login page)
*
* !!! Important: Please do not use the `require` method, otherwise `global` variables will be invalid
*
*/
public static function permission_redirect_loginpage() {
if ( get_option( 'uix_usercenter_opt_jumploginpage' ) == 'on' ) {
//Get custom global variables
global $uix_usercenter_global_pages;
//
if ( $uix_usercenter_global_pages['ajax_login_url'] != '' ) {
global $pagenow;
$action = (isset($_GET['action'])) ? sanitize_text_field( wp_unslash( $_GET['action'] ) ) : '';
// Check if we're on the login page, and ensure the action are not 'logout', 'lostpassword', 'rp', 'resetpass'
if( $pagenow == 'wp-login.php' && ( ! $action || ( $action && ! in_array($action, array('logout'))))) {
wp_redirect( $uix_usercenter_global_pages['ajax_login_url'] );
exit();
}
}
}
}
/*
* Permission settings (Remove the WordPress Admin Toolbar for register members)
*
*
*/
public static function permission_remove_toolbar() {
if ( get_option( 'uix_usercenter_opt_removetoolbar' ) == 'on' ) {
//The user has not the "administrator" role
if ( ! current_user_can( 'administrator' ) ) {
add_filter( 'show_admin_bar', '__return_false' );
}
}
}
/*
* Permission settings (Admin Page Redirect for Member)
*
*
*/
public static function permission_adminpage_redirect_member() {
if ( get_option( 'uix_usercenter_opt_adminpageredirect' ) == 'on' ) {
if ( ! is_user_logged_in() ) return;
//Redirect custom page
if( ! current_user_can( 'administrator' ) && is_admin() && ( ! wp_doing_ajax() ) ) {
wp_redirect( esc_url( home_url( '/' ) ) );
exit;
}
}
}
/*
* Register scripts and styles.
*
*
*/
public static function register_scripts() {
if ( get_option( 'uix_usercenter_opt_unenqueuejs' ) == 'on' || !get_option( 'uix_usercenter_opt_unenqueuejs' ) ) {
wp_register_script( 'axios', self::plug_directory() .'assets/js/libs/axios.min.js', false, '0.19.2', true );
wp_register_script( self::frontend_js_handle()['utils'], self::plug_directory() .'assets/js/frontend/utils.js', array( 'axios' ), self::ver(), true );
wp_register_script( self::frontend_js_handle()['createnonce'], self::plug_directory() .'assets/js/frontend/ajax-createnonce.js', array( 'axios', self::frontend_js_handle()['utils'] ), self::ver(), true );
wp_register_script( self::frontend_js_handle()['createcaptcha'], self::plug_directory() .'assets/js/frontend/ajax-createcaptcha.js', array( self::frontend_js_handle()['createnonce'] ), self::ver(), true );
wp_register_script( self::frontend_js_handle()['login'], self::plug_directory() .'assets/js/frontend/ajax-login.js', array( self::frontend_js_handle()['createnonce'] ), self::ver(), true );
wp_register_script( self::frontend_js_handle()['logout'], self::plug_directory() .'assets/js/frontend/ajax-logout.js', array( self::frontend_js_handle()['createnonce'] ), self::ver(), true );
wp_register_script( self::frontend_js_handle()['curd'], self::plug_directory() .'assets/js/frontend/ajax-curd.js', array( self::frontend_js_handle()['createnonce'] ), self::ver(), true );
wp_register_script( self::frontend_js_handle()['passwordreset'], self::plug_directory() .'assets/js/frontend/ajax-passwordreset.js', array( self::frontend_js_handle()['createnonce'] ), self::ver(), true );
wp_register_script( self::frontend_js_handle()['register'], self::plug_directory() .'assets/js/frontend/ajax-register.js', array( self::frontend_js_handle()['createnonce'] ), self::ver(), true );
}
}
/*
* Enqueue scripts and styles.
*
*
*/
public static function frontpage_scripts() {
if ( get_option( 'uix_usercenter_opt_unenqueuejs' ) == 'on' || !get_option( 'uix_usercenter_opt_unenqueuejs' ) ) {
//Get global variables
global $uix_usercenter_global_ajax_object;
wp_enqueue_script( 'axios' );
wp_enqueue_script( self::frontend_js_handle()['utils'] );
wp_localize_script( self::frontend_js_handle()['utils'], 'ajax_object', $uix_usercenter_global_ajax_object);
wp_enqueue_script( self::frontend_js_handle()['createnonce'] );
wp_enqueue_script( self::frontend_js_handle()['createcaptcha'] );
wp_enqueue_script( self::frontend_js_handle()['login'] );
wp_enqueue_script( self::frontend_js_handle()['logout'] );
wp_enqueue_script( self::frontend_js_handle()['curd'] );
wp_enqueue_script( self::frontend_js_handle()['passwordreset'] );
wp_enqueue_script( self::frontend_js_handle()['register'] );
}
}
/*
* Enqueue scripts and styles in the backstage
*
*
*/
public static function backstage_scripts() {
wp_enqueue_script( self::PREFIX . '-usercenter-admin', self::plug_directory() .'includes/admin/js/core.min.js', array( 'jquery' ), self::ver(), true );
}
/**
* Internationalizing Plugin
*
*/
public static function tc_i18n() {
load_plugin_textdomain('uix-usercenter', false, dirname(plugin_basename(__FILE__)) . '/languages/');
//move language files to System folder "languages/plugins/yourplugin-<locale>.po"
global $wp_filesystem;
if (empty($wp_filesystem)) {
require_once(ABSPATH . '/wp-admin/includes/file.php');
WP_Filesystem();
}
$filenames = array();
$filepath = UIX_USERCENTER_PLUGIN_DIR . 'languages/';
$systempath = WP_CONTENT_DIR . '/languages/plugins/';
if (!$wp_filesystem->is_dir($systempath)) {
$wp_filesystem->mkdir($systempath, FS_CHMOD_DIR);
} //endif is_dir( $systempath )
if ($wp_filesystem->is_dir($systempath)) {
//Only execute one-time scripts
$transient = self::PREFIX . '-usercenter-lang_files_onetime_check';
if (!get_transient($transient)) {
set_transient($transient, 'locked', 1800); // lock function for 30 Minutes
foreach (glob(dirname(__FILE__) . "/languages/*.po") as $file) {
$filenames[] = str_replace(dirname(__FILE__) . "/languages/", '', $file);
}
foreach (glob(dirname(__FILE__) . "/languages/*.mo") as $file) {
$filenames[] = str_replace(dirname(__FILE__) . "/languages/", '', $file);
}
foreach ($filenames as $filename) {
// Copy
$dir1 = $wp_filesystem->find_folder($filepath);
$file1 = trailingslashit($dir1) . $filename;
$dir2 = $wp_filesystem->find_folder($systempath);
$file2 = trailingslashit($dir2) . $filename;
$filecontent = $wp_filesystem->get_contents($file1);
$wp_filesystem->put_contents($file2, $filecontent, FS_CHMOD_FILE);
}
} //endif get_transient( $transient )
} //endif is_dir( $systempath )
}
/*
* The function finds the position of the first occurrence of a string inside another string.
*
* As strpos may return either FALSE (substring absent) or 0 (substring at start of string), strict versus loose equivalency operators must be used very carefully.
*
*/
public static function inc_str( $str, $incstr ) {
$incstr = str_replace( '(', '\(',
str_replace( ')', '\)',
str_replace( '|', '\|',
str_replace( '*', '\*',
str_replace( '+', '\+',
str_replace( '.', '\.',
str_replace( '[', '\[',
str_replace( ']', '\]',
str_replace( '?', '\?',
str_replace( '/', '\/',
str_replace( '^', '\^',
str_replace( '{', '\{',
str_replace( '}', '\}',
str_replace( '$', '\$',
str_replace( '\\', '\\\\',
$incstr
)))))))))))))));
if ( !empty( $incstr ) ) {
if ( preg_match( '/'.$incstr.'/', $str ) ) {
return true;
} else {
return false;
}
} else {
return false;
}
}
/*
* Create customizable menu in backstage panel
*
* Add a submenu page
*
*/
public static function options_admin_menu() {
//Add sub links
add_submenu_page(
'edit.php?post_type=uix_usercenter',
__('How to use?', 'uix-usercenter'),
__('How to use?', 'uix-usercenter'),
'manage_options',
'admin.php?page=' . self::HELPER . '&tab=usage'
);
add_submenu_page(
'edit.php?post_type=uix_usercenter',
__('Template Files', 'uix-usercenter'),
__('Template Files', 'uix-usercenter'),
'manage_options',
'admin.php?page=' . self::HELPER . '&tab=temp'
);
add_submenu_page(
'edit.php?post_type=uix_usercenter',
__('Settings', 'uix-usercenter'),
__('Settings', 'uix-usercenter'),
'manage_options',
'admin.php?page=' . self::HELPER . '&tab=general-settings'
);
add_submenu_page(
'edit.php?post_type=uix_usercenter',
__('Helper', 'uix-usercenter'),
__('About', 'uix-usercenter'),
'manage_options',
self::HELPER,
'uix_usercenter_options_page'
);
}
/*
* Load helper
*
*/
public static function load_helper() {
require_once UIX_USERCENTER_PLUGIN_DIR . 'helper/settings.php';
}
/**
* Add plugin actions links
*/
public static function actions_links($links) {
$links[] = '<a href="' . admin_url("admin.php?page=" . self::HELPER . "&tab=usage") . '">' . __('How to use?', 'uix-usercenter') . '</a>';
return $links;
}
/*
* Get plugin slug
*
*
*/
public static function get_slug() {
return dirname(plugin_basename(__FILE__));
}
/*
* Add admin one-time notifications
*
*
*/
public static function usage_notice() {
//Check if screen’s ID, base, post type, and taxonomy, among other data points
$currentScreen = get_current_screen();
if (
(self::inc_str($currentScreen->id, 'uix_usercenter') || self::inc_str($currentScreen->id, 'uix-usercenter')) &&
!self::inc_str($currentScreen->id, '_page_')
) {
add_action('admin_notices', array(__CLASS__, 'usage_notice_app'));
add_action('admin_notices', array(__CLASS__, 'template_notice_required'));
}
}
public static function usage_notice_app() {
global $current_user;
$user_id = $current_user->ID;
/* Check that the user hasn't already clicked to ignore the message */
if (!get_user_meta($user_id, self::NOTICEID)) {
echo '<div class="updated"><p>
' . __('Do you want to create a usercenter website with WordPress? Learn how to add usercenter to your themes.', 'uix-usercenter') . '
<a href="' . admin_url("admin.php?page=" . self::HELPER . "&tab=usage") . '">' . __('How to use?', 'uix-usercenter') . '</a>
|
';
printf(__('<a href="%1$s">Hide Notice</a>'), '?post_type=uix_usercenter&' . self::NOTICEID . '=0');
echo "</p></div>";
}
}
public static function template_notice_required() {
if (!self::tempfile_exists()) {
echo '
<div class="notice notice-warning">
<p>' . __('<strong>You could create Uix UserCenter template files in your templates directory. You can create the files on the WordPress admin panel.</strong>', 'uix-usercenter') . ' <a class="button button-primary" href="' . admin_url("admin.php?page=" . self::HELPER . "&tab=temp") . '">' . __('Create now!', 'uix-usercenter') . '</a><br>' . __('As a workaround you can use FTP, access the Uix UserCenter template files path <code>/wp-content/plugins/uix-usercenter/theme_templates/</code> and upload files to your theme templates directory <code>/wp-content/themes/{your-theme}/</code>. ', 'uix-usercenter') . '</p>
</div>
';
}
}
public static function nag_ignore() {
global $current_user;
$user_id = $current_user->ID;
/* If user clicks to ignore the notice, add that to their user meta */
if (isset($_GET[self::NOTICEID]) && '0' == $_GET[self::NOTICEID]) {
add_user_meta($user_id, self::NOTICEID, 'true', true);
if (wp_get_referer()) {
/* Redirects user to where they were before */
wp_safe_redirect(wp_get_referer());
} else {
/* This will never happen, I can almost gurantee it, but we should still have it just in case*/
wp_safe_redirect(home_url());
}
}
}
/*
* Checks whether a template file or directory exists
*
*
*/
public static function tempfile_exists() {
if( !file_exists( get_stylesheet_directory() . '/partials-usercenter_tmpl_nav.php' ) ) {
return false;
} else {
return true;
}
}
/*
* Callback the plugin directory URL
*
*
*/
public static function plug_directory() {
return UIX_USERCENTER_PLUGIN_URL;
}
/*
* Callback the plugin directory
*
*
*/
public static function plug_filepath() {
return UIX_USERCENTER_PLUGIN_DIR;
}
/*
* Returns template files directory
*
*
*/
public static function list_templates_name($show = 'plug') {
$filenames = array();
$filepath = UIX_USERCENTER_PLUGIN_DIR . 'theme_templates/';
$themepath = get_stylesheet_directory() . '/';
foreach (glob(dirname(__FILE__) . "/theme_templates/*") as $file) {
$filenames[] = str_replace(dirname(__FILE__) . "/theme_templates/", '', $file);
}
echo '<ul>';
foreach ($filenames as $filename) {
$file1 = trailingslashit($filepath) . $filename;
$file2 = trailingslashit($themepath) . $filename;
if ($show == 'plug') {
echo wp_kses_post('<li>' . trailingslashit($filepath) . $filename . '</li>');
} else {
echo wp_kses_post('<li>' . trailingslashit($themepath) . $filename . ' ' . sprintf(__('<a target="_blank" href="%1$s"><i class="dashicons dashicons-welcome-write-blog"></i> Edit this template</a>', 'uix-usercenter'), admin_url('theme-editor.php?file=' . $filename)) . '</li>');
}
}
echo '</ul>';
}
/*
* Copy/Remove template files to your theme directory
*
*
*/
public static function templates($nonceaction, $nonce, $remove = false, $ajax = false) {
global $wp_filesystem;
$filenames = array();
$filepath = UIX_USERCENTER_PLUGIN_DIR . 'theme_templates/';
$themepath = get_stylesheet_directory() . '/';
foreach (glob(dirname(__FILE__) . "/theme_templates/*.php") as $file) {
$filenames[] = str_replace(dirname(__FILE__) . "/theme_templates/", '', $file);
}
/*
* To perform the requested action, WordPress needs to access your web server.
* Please enter your FTP credentials to proceed. If you do not remember your credentials,
* you should contact your web host.
*
*/
if ($ajax) {
ob_start();
self::wpfilesystem_read_file($nonceaction, $nonce, self::get_theme_template_dir_name() . '/', 'tmpl-uix_usercenter.php', 'plugin');
$out = ob_get_contents();
ob_end_clean();
if (!empty($out)) {
return 0;
exit();
}
}
/*
* File batch operation
*
*/
$url = wp_nonce_url($nonce, $nonceaction);
$contentdir = $filepath;
if (self::wpfilesystem_connect_fs($url, '', $contentdir, '')) {
foreach ($filenames as $filename) {
// Copy
if (!file_exists($themepath . $filename)) {
$dir1 = $wp_filesystem->find_folder($filepath);
$file1 = trailingslashit($dir1) . $filename;
$dir2 = $wp_filesystem->find_folder($themepath);
$file2 = trailingslashit($dir2) . $filename;
$filecontent = $wp_filesystem->get_contents($file1);
$wp_filesystem->put_contents($file2, $filecontent, FS_CHMOD_FILE);
}
// Remove
if ($remove) {
if (file_exists($themepath . $filename)) {
$dir = $wp_filesystem->find_folder($themepath);
$file = trailingslashit($dir) . $filename;
$wp_filesystem->delete($file, false, FS_CHMOD_FILE);
}
}
}
}
/*
* Returns the system information.
*
*/
$div_notice_info_before = '<p class="uix-bg-custom-info-msg"><strong><i class="dashicons dashicons-warning"></i> ';
$div_notice_success_before = '<p class="uix-bg-custom-success-msg"><strong><i class="dashicons dashicons-yes"></i> ';
$div_notice_error_before = '<p class="uix-bg-custom-error-msg"><strong><i class="dashicons dashicons-no"></i> ';
$div_notice_after = '</strong></p>';
$notice = '';
$echo_ok_status = '<span data-ok="1"></span>';
if ($ajax) {
$div_notice_info_before = '';
$div_notice_success_before = '';
$div_notice_error_before = '';
$div_notice_after = '';
}
if (!$remove) {
if (self::tempfile_exists()) {
$info = $echo_ok_status . __('Operation successfully completed!', 'uix-usercenter');
$notice = $div_notice_success_before . $info . $div_notice_after;
echo '<script type="text/javascript">
setTimeout( function(){
window.location = "' . admin_url('admin.php?page=' . self::HELPER . '&tab=temp') . '";
}, 1000 );
</script>';
} else {
$info = __('There was a problem copying your template files:</strong> Please check your server settings. You can upload files to theme templates directory using FTP.', 'uix-usercenter');
$notice = $div_notice_error_before . $info . $div_notice_after;
}
} else {
if (self::tempfile_exists()) {
$info = __('There was a problem removing your template files:</strong> Please check your server settings. You can upload files to theme templates directory using FTP.', 'uix-usercenter');
$notice = $div_notice_error_before . $info . $div_notice_after;
} else {
$info = $echo_ok_status . __('Remove successful!', 'uix-usercenter');
$notice = $div_notice_success_before . $info . $div_notice_after;
echo '<script type="text/javascript">
setTimeout( function(){
window.location = "' . admin_url('admin.php?page=' . self::HELPER . '&tab=temp') . '";
}, 1000 );
</script>';
}
}
return $notice;
}
/**
* Initialize the WP_Filesystem
*
* Example:
$output = "";
if ( !empty( $_POST ) && check_admin_referer( 'custom_action_nonce') ) {
$output = UixUserCenter::wpfilesystem_write_file( 'custom_action_nonce', 'admin.php?page='.UixUserCenter::HELPER.'&tab=???', UIX_USERCENTER_PLUGIN_DIR.'helper/', 'debug.txt', 'This is test.', 'plugin' );
echo wp_kses_post( $output );
} else {
wp_nonce_field( 'custom_action_nonce' );
echo '<p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="'.__( 'Click This Button to Copy Files', 'uix-usercenter' ).'" /></p>';
}
*
*/
public static function wpfilesystem_connect_fs($url, $method, $context, $fields = null) {
global $wp_filesystem;
if (false === ($credentials = request_filesystem_credentials($url, $method, false, $context, $fields))) {
return false;
}
//check if credentials are correct or not.
if (!WP_Filesystem($credentials)) {
request_filesystem_credentials($url, $method, true, $context);
return false;
}
return true;
}
public static function wpfilesystem_write_file($nonceaction, $nonce, $path, $pathname, $text, $type = 'plugin') {
global $wp_filesystem;
$url = wp_nonce_url($nonce, $nonceaction);
if ($type == 'plugin') {
$contentdir = UIX_USERCENTER_PLUGIN_DIR . $path;
}
if ($type == 'theme') {
$contentdir = trailingslashit(get_stylesheet_directory()) . $path;
}
if (self::wpfilesystem_connect_fs($url, '', $contentdir)) {
$dir = $wp_filesystem->find_folder($contentdir);
$file = trailingslashit($dir) . $pathname;
$wp_filesystem->put_contents($file, $text, FS_CHMOD_FILE);
return true;
} else {
return false;
}
}
public static function wpfilesystem_read_file($nonceaction, $nonce, $path, $pathname, $type = 'plugin') {
global $wp_filesystem;
$url = wp_nonce_url($nonce, $nonceaction);
if ($type == 'plugin') {
$contentdir = UIX_USERCENTER_PLUGIN_DIR . $path;
}
if ($type == 'theme') {
$contentdir = trailingslashit(get_stylesheet_directory()) . $path;
}
if (self::wpfilesystem_connect_fs($url, '', $contentdir)) {
$dir = $wp_filesystem->find_folder($contentdir);
$file = trailingslashit($dir) . $pathname;
if ($wp_filesystem->exists($file)) {
return $wp_filesystem->get_contents($file);
} else {
return false;
}
}
}
public static function wpfilesystem_del_file($nonceaction, $nonce, $path, $pathname, $type = 'plugin') {
global $wp_filesystem;
$url = wp_nonce_url($nonce, $nonceaction);
if ($type == 'plugin') {
$contentdir = UIX_USERCENTER_PLUGIN_DIR . $path;
}
if ($type == 'theme') {
$contentdir = trailingslashit(get_stylesheet_directory()) . $path;
}
if (self::wpfilesystem_connect_fs($url, '', $contentdir)) {
$dir = $wp_filesystem->find_folder($contentdir);
$file = trailingslashit($dir) . $pathname;
if ($wp_filesystem->exists($file)) {
$wp_filesystem->delete($file, false, FS_CHMOD_FILE);
return true;
} else {
return false;
}
}
}
/*
* Returns current plugin version.
*
*
*/
public static function ver() {
if (!function_exists('get_plugins')) {
require_once(ABSPATH . 'wp-admin/includes/plugin.php');
}
$plugin_folder = get_plugins('/' . self::get_slug());
$plugin_file = basename((__FILE__));
return $plugin_folder[$plugin_file]['Version'];
}
/*
* Generate a random string
*
* @param {Number} $length - Length of random characters.
* @return {String} - A new string.
*/
public static function generate_random_str( $length = 4 ) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$rand_str = '';
for ($i = 0; $i < $length; $i++ ) {
$rand_str .= $characters[rand(0, $charactersLength - 1)];
}
return $rand_str;
}
/**
* Filters content and keeps only allowable HTML elements.
*
*/
public static function kses( $html ){