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<?php
/*
* GoSMTP
* https://gosmtp.net
* (c) Softaculous Team
*/
// We need the ABSPATH
if (!defined('ABSPATH')) exit;
define('GOSMTP_BASE', plugin_basename(GOSMTP_FILE));
define('GOSMTP_VERSION', '1.1.0');
define('GOSMTP_DIR', dirname(GOSMTP_FILE));
define('GOSMTP_SLUG', 'gosmtp');
define('GOSMTP_URL', plugins_url('', GOSMTP_FILE));
define('GOSMTP_CSS', GOSMTP_URL.'/css');
define('GOSMTP_JS', GOSMTP_URL.'/js');
define('GOSMTP_PRO_URL', 'https://gosmtp.net/pricing?from=plugin');
define('GOSMTP_WWW_URL', 'https://gosmtp.net/');
define('GOSMTP_DOCS', 'https://gosmtp.net/docs/');
define('GOSMTP_DB_PREFIX', 'gosmtp_');
include_once(GOSMTP_DIR.'/main/functions.php');
spl_autoload_register('gosmtp_autoload_register');
function gosmtp_autoload_register($class){
if(!preg_match('/GOSMTP\\\\/', $class)){
return;
}
$file = strtolower(str_replace( array('GOSMTP', '\\'), array('', DIRECTORY_SEPARATOR), $class));
$file = trim(strtolower($file), '/').'.php';
// For Free
if(file_exists(GOSMTP_DIR.'/main/'.$file)){
include_once(GOSMTP_DIR.'/main/'.$file);
}
// For Pro
if(defined('GOSMTP_PRO_DIR') && file_exists(GOSMTP_PRO_DIR.'/main/'.$file)){
include_once(GOSMTP_PRO_DIR.'/main/'.$file);
}
}
function gosmtp_died(){
print_r(error_get_last());
}
//register_shutdown_function('gosmtp_died');
// Ok so we are now ready to go
register_activation_hook(GOSMTP_FILE, 'gosmtp_activation');
// Is called when the ADMIN enables the plugin
function gosmtp_activation(){
global $wpdb;
add_option('gosmtp_version', GOSMTP_VERSION);
}
// Checks if we are to update ?
function gosmtp_update_check(){
global $wpdb;
$current_version = get_option('gosmtp_version');
$version = (int) str_replace('.', '', $current_version);
// No update required
if($current_version == GOSMTP_VERSION){
return true;
}
// Is it first run ?
if(empty($current_version)){
// Reinstall
gosmtp_activation();
// Trick the following if conditions to not run
$version = (int) str_replace('.', '', GOSMTP_VERSION);
}
// Save the new Version
update_option('gosmtp_version', GOSMTP_VERSION);
}
// Add action to load GoSMTP
add_action('plugins_loaded', 'gosmtp_load_plugin');
function gosmtp_load_plugin(){
global $gosmtp;
if(empty($gosmtp)){
$gosmtp = new stdClass();
}
// Check if the installed version is outdated
gosmtp_update_check();
$options = get_option('gosmtp_options', array());
$gosmtp->options = empty($options) ? array() : $options;
}
// The function that will be called when the plugin is loaded
add_action('wp_mail', 'gosmtp_load_phpmailer');
function gosmtp_load_phpmailer($atts){
global $gosmtp, $phpmailer;
if(!class_exists('GOSMTP_PHPMailer')){
// Load PHPMailer class, so we can subclass it.
require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php';
require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php';
require_once ABSPATH . WPINC . '/PHPMailer/Exception.php';
class GOSMTP_PHPMailer extends \PHPMailer\PHPMailer\PHPMailer {
// Modify the default send() behaviour of PHPMailer.
public function send(){
global $gosmtp, $phpmailer;
// Define a custom header, that will be used to identify the plugin and the mailer.
$this->XMailer = 'GOSMTP/Mailer/' . $gosmtp->_mailer . ' ' . GOSMTP_VERSION;
do_action( 'gosmtp_mailer_mail_pre_send' );
// If mailer not exists or send function not exists
if(!method_exists($gosmtp->mailer, 'send')){
return parent::send();
}
do_action( 'gosmtp_mailer_mail_send_before' );
// Are we to enforce from ?
$gosmtp->mailer->set_from();
$exception = false;
/*
* Send the actual email.
* We reuse everything, that was preprocessed for usage in \PHPMailer.
*/
try{
$is_sent = $gosmtp->mailer->send();
}catch(PHPMailer\PHPMailer\Exception $e){
$is_sent = false;
$exception = $e;
}
// Get backup connection
$backup_connection = $gosmtp->mailer->get_backup_connection();
$backup_sent = false;
// Store current values
$current_data = array(
'_mailer' => $gosmtp->_mailer,
'mailer' => $gosmtp->mailer,
'conn_id' => $gosmtp->mailer->conn_id
);
// Try to send email with secondary email
if(empty($is_sent) && !empty($backup_connection) ){
$mailer = sanitize_key( $gosmtp->options['mailer'][$backup_connection]['mail_type'] );
$class = $gosmtp->mailer_list[$mailer]['class'];
$parent_log = $gosmtp->mailer->last_log;
if(class_exists($class)){
$gosmtp->_mailer = $mailer;
$gosmtp->mailer = new $class();
$gosmtp->mailer->conn_id = $backup_connection;
$gosmtp->mailer->parent_log = $parent_log;
try{
$backup_sent = $phpmailer->send();
}catch(Exception $e){}
}
}
// Reset connection
$gosmtp->_mailer = $current_data['_mailer'];
$gosmtp->mailer = $current_data['mailer'];
$gosmtp->mailer->conn_id = $current_data['conn_id'];
do_action( 'gosmtp_mailer_mail_send_after', $is_sent, $exception, $backup_sent );
if($exception && !$backup_sent){
throw $exception;
}
return $is_sent || $backup_sent;
}
}
}
if($phpmailer instanceof GOSMTP_PHPMailer){
return $atts;
}
// Load all mailer
$gosmtp->mailer_list = gosmtp_get_mailer_list();
// For PHP Email dont do anything
if(empty($gosmtp->options['mailer'][0]['mail_type']) || $gosmtp->options['mailer'][0]['mail_type'] == 'mail'){
return $atts;
}
$mailer = sanitize_key( $gosmtp->options['mailer'][0]['mail_type'] );
$class = $gosmtp->mailer_list[$mailer]['class'];
if(!class_exists($class)){
return $atts;
}
$gosmtp->_mailer = $mailer;
$gosmtp->mailer = new $class();
// Handle the from email name
add_filter('wp_mail_from', [$gosmtp->mailer, 'get_from'], 100, 1);
$phpmailer = new GOSMTP_PHPMailer(true);
return $atts;
}
// This adds the left menu in WordPress Admin page
add_action('admin_menu', 'gosmtp_admin_menu', 5);
function gosmtp_admin_menu() {
global $wp_version;
$capability = 'activate_plugins';// TODO : Capability for accessing this page
// Add the menu page
add_menu_page(__('GoSMTP'), __('GoSMTP'), $capability, 'gosmtp', 'gosmtp_page_handler', 'dashicons-email-alt');
// Settings Page
add_submenu_page( 'gosmtp', __('Settings'), __('Settings'), $capability, 'gosmtp', 'gosmtp_page_handler');
// Test Mail Page
add_submenu_page( 'gosmtp', 'Test Mail', 'Test Mail', $capability, 'gosmtp#test-mail', 'gosmtp_page_handler');
if(defined('GOSMTP_PREMIUM')){
// Logs Page
add_submenu_page( 'gosmtp', __('Email Logs'), __('Email Logs'), $capability, 'gosmtp-logs', 'gosmtp_logs_handler');
// Email reports
add_submenu_page( 'gosmtp', __('Email Reports'), __('Email Reports'), $capability, 'email_reports', 'gosmtp_email_reports_handler');
// Export Page
add_submenu_page( 'gosmtp', __('Export'), __('Export'), $capability, 'export', 'gosmtp_export_handler');
// Email reports
add_submenu_page( '', __('Email Reports'), __('Weekly Email'), $capability, 'weekly_email_reports', 'gosmtp_weekly_email_handler');
// License Page
add_submenu_page( 'gosmtp', __('License'), __('License'), $capability, 'gosmtp-license', 'gosmtp_license_handler');
}
// Support
add_submenu_page( 'gosmtp', __('Support'), __('Support'), $capability, 'gosmtp#support', 'gosmtp_page_handler');
}
// SMTP page Handler
function gosmtp_page_handler(){
include_once GOSMTP_DIR .'/main/settings.php';
gosmtp_settings_page();
}
function gosmtp_logs_handler(){
include_once GOSMTP_PRO_DIR .'/main/smtp-logs.php';
}
function gosmtp_email_reports_handler(){
include_once GOSMTP_PRO_DIR .'/main/email-reports.php';
gosmtp_reports_table();
}
function gosmtp_export_handler(){
include_once GOSMTP_PRO_DIR .'/main/export.php';
gosmtp_export_page();
}
function gosmtp_weekly_email_handler(){
include_once GOSMTP_PRO_DIR .'/main/weekly_email_reports.php';
gosmtp_send_email_reports();
}
function gosmtp_license_handler(){
global $gosmtp;
include_once GOSMTP_PRO_DIR .'/main/license.php';
}
if(wp_doing_ajax()){
include_once GOSMTP_DIR.'/main/ajax.php';
}
add_action( 'admin_init', 'gosmtp_admin_init');
function gosmtp_admin_init(){
wp_register_style( 'gosmtp-admin', GOSMTP_URL .'/css/admin.css', array(), GOSMTP_VERSION);
wp_register_script( 'gosmtp-admin', GOSMTP_URL .'/js/admin.js', array('jquery'), GOSMTP_VERSION);
}