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<?php
namespace GOSMTP\Mailer;
class Loader{
var $options;
var $mailer = '';
var $url = '';
var $conn_id = 0;
var $parent_log = 0;
var $last_log = 0;
var $headers = array();
public function __construct(){
// Load options
$this->loadOptions();
}
public function loadOptions(){
$options = get_option('gosmtp_options', array());
$this->options = $options;
}
public function getMailerOption(){
$mailer = $this->mailer;
if(empty($mailer) || !isset($this->options['mailer'][$this->conn_id])){
return array();
}
return $this->options['mailer'][$this->conn_id];
}
public function getActiveMailer(){
if(!isset($this->options['mailer'][$this->conn_id]) || !isset($this->options['mailer'][$this->conn_id]['mail_type'])){
return 'mail';
}
return $this->options['mailer'][$this->conn_id]['mail_type'];
}
public function getOption($key, $mailer = '', $default = ''){
$options = $this->options;
if(!empty($mailer) && $mailer == $this->getActiveMailer()){
$options = $this->options['mailer'][$this->conn_id];
}
if(isset($options[$key])){
return $options[$key];
}
return $default;
}
public function save_options($options){
if(!method_exists($this, 'load_field')){
return $options;
}
$fields = $this->load_field();
foreach($fields as $key => $field){
$val = '';
if(!empty($_REQUEST[$this->mailer]) && isset($_REQUEST[$this->mailer][$key])){
$val = sanitize_text_field($_REQUEST[$this->mailer][$key]);
}
$options[$key] = $val;
}
return $options;
}
public function delete_option($key, $mailer = ''){
if(!empty($mailer) && isset($this->options['mailer'][$this->conn_id][$key])){
unset($this->options['mailer'][$this->conn_id][$key]);
}elseif(isset($this->options[$key])){
unset($this->options[$key]);
}
update_option( 'gosmtp_options', $this->options );
}
public function update_option($key, $val, $mailer=''){
if(!empty($mailer)){
if(!is_array($this->options['mailer'][$this->conn_id])){
$this->options['mailer'][$this->conn_id] = array();
}
$this->options['mailer'][$this->conn_id][$key] = $val;
}else{
$this->options[$key] = $val;
}
update_option( 'gosmtp_options', $this->options);
}
protected function filterRecipientsArray($args){
$recipients = [];
foreach($args as $key => $recip){
$recip = array_filter($recip);
if(empty($recip) || ! filter_var( $recip[0], FILTER_VALIDATE_EMAIL ) ){
continue;
}
$recipients[$key] = array(
'address' => $recip[0]
);
if(!empty($recip[1])){
$recipients[$key]['name'] = $recip[1];
}
}
return $recipients;
}
public function setHeaders($headers){
foreach($headers as $header){
$name = isset($header[0]) ? $header[0] : false;
$value = isset($header[1]) ? $header[1] : false;
if(empty($name) || empty($value)){
continue;
}
$this->setHeader($name, $val);
}
}
public function setHeader($name, $val){
$name = sanitize_text_field($name);
$this->headers[$name] = WP::sanitize_value($val);
}
protected function getDefaultParams(){
$timeout = (int)ini_get('max_execution_time');
return [
'timeout' => $timeout ?: 30,
'httpversion' => '1.1',
'blocking' => true,
];
}
public function set_from(){
global $phpmailer, $gosmtp;
$conn_id = $gosmtp->mailer->conn_id;
$from_email = $phpmailer->From;
$from_name = $phpmailer->FromName;
// Check for force set
if($conn_id === 0){
$options = $this->options;
}else{
$options = $this->options['mailer'][$conn_id];
}
if(!empty($options['force_from_email']) && !empty($options['from_email'])){
$from_email = $options['from_email'];
}
if(!empty($options['force_from_name']) && !empty($options['from_name'])){
$from_name = $options['from_name'];
}
try {
$phpmailer->setFrom($from_email, $from_name, false);
}catch( PHPMailer\PHPMailer\Exception $e ) {
throw new WP_Error( 'wp_mail_failed', $e->getMessage());
}
}
public function get_from($from = ''){
global $phpmailer, $gosmtp;
$conn_id = $gosmtp->mailer->conn_id;
// Check for force set
if($conn_id === 0){
$options = $this->options;
}else{
$options = $this->options['mailer'][$conn_id];
}
if(!empty($options['force_from_email']) && !empty($options['from_email'])){
$from = $options['from_email'];
}
return $from;
}
public function handle_response($response){
$status = false;
$message = array();
if(is_wp_error($response)){
$code = $response->get_error_code();
if(!is_numeric($code)) {
$code = 400;
}
$msg = $response->get_error_message();
$message = array(
'code' => $code,
'message' => $msg
);
$this->process_response($message, $status);
throw new \PHPMailer\PHPMailer\Exception($msg, $code);
return;
}elseif($response['status'] == true){
unset($response['status']);
$message = $response;
$status = true;
}else{
$message = array(
'code' => $code,
'message' => __('Unable to send mail, Please check your SMTP details')
);
}
return $this->process_response($message, $status);
}
public function get_mailer_source(){
$result = [];
$backtrace = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS );
if(empty($backtrace)){
return false;
}
foreach( $backtrace as $i => $item ){
if( $item['function'] == 'wp_mail' ) {
$result[] = $backtrace[$i];
}
}
if(!isset($result[0]['file'])){
return false;
}
return $this->get_plugin_name($result[0]['file']);
}
public function process_response($message, $status){
global $phpmailer, $gosmtp;
if(empty($gosmtp->options['logs']['enable_logs']) || !class_exists('\GOSMTP\Logger')){
return $status;
}
$logger = new \GOSMTP\Logger();
$source = $this->get_mailer_source();
if(empty($source)){
$source = __('NA');
}
$headers = array(
'Reply-To' => $phpmailer->getReplyToAddresses(),
'Cc' => $phpmailer->getCcAddresses(),
'Bcc' => $phpmailer->getBccAddresses(),
'Content-Type' => $phpmailer->ContentType,
);
$attachments = $phpmailer->getAttachments();
if(!empty($gosmtp->options['logs']['log_attachments'])){
$uploads_dir = wp_upload_dir();
$path = $uploads_dir['basedir'].'/gosmtp-attachments';
if( !file_exists($path) ){
mkdir($path);
}
if(!file_exists($path.'/index.html')){
file_put_contents($path.'/index.html', '');
}
if( count($attachments) > 0 ){
foreach( $attachments as $key => $file ){
$name = $file[2];
$location = $path.'/'.$name;
if(file_exists($file[0])){
// TODO check the copy function use correct
if(copy($file[0], $location)){
$file[0] = $location;
}
}
$attachments[$key] = $file;
}
}
}
$data = array(
'site_id' => get_current_blog_id(),
'to' => maybe_serialize($phpmailer->getToAddresses()),
'message_id' => $this->RandomString(16),
'from' => $phpmailer->From,
'subject' => $phpmailer->Subject,
'body' => $phpmailer->Body,
'attachments' => maybe_serialize( $attachments ),
'status' => $status ? 'sent' : 'failed',
'response' => maybe_serialize($message),
'headers' => maybe_serialize($headers),
'provider' => $this->mailer,
'source' => $source,
'created_at' => current_time( 'mysql' )
);
if($gosmtp->mailer->conn_id !== 0 && !empty($gosmtp->mailer->parent_log)){
$data['parent_id'] = $gosmtp->mailer->parent_log;
$data['source'] = __('GoSMTP Pro');
}
if(isset($_POST['gostmp_id'])){
$id = (int)gosmtp_optpost('gostmp_id');
$result = $logger->get_logs('records', $id);
$operation = isset($_POST['operation']) ? gosmtp_optpost('operation') : false;
if(!empty($operation) && !empty($result)){
if($operation == 'resend'){
$data['resent_count'] = $result[0]->resent_count + 1;
}else{
$data['retries'] = $result[0]->retries + 1;
}
$logger->update_logs($data, $id);
}
}else{
$gosmtp->mailer->last_log = $logger->add_logs($data);
}
return $status;
}
public function message_formatting($msg, $key = '', $desc = ''){
$message = '';
if(!empty($key)){
$message .= $key.': ';
}
if(is_string($msg)){
$message .= $msg;
}else{
$message .= wp_json_encode($msg);
}
if(!empty($desc)){
$message .= PHP_EOL .$desc;
}
return $message;
}
public function get_response_error_message($response){
if(is_wp_error($response)){
return '';
}
$body = wp_remote_retrieve_body( $response );
$message = wp_remote_retrieve_response_message( $response );
$code = wp_remote_retrieve_response_code( $response );
$desc = '';
if(!empty($body)){
$desc = is_string($body) ? $body : wp_json_encode($body);
}
return $this->message_formatting( $message, $code, $desc );
}
// Generate a random string
public function RandomString($length = 10){
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$randomString = '';
for($i = 0; $i < $length; $i++){
$randomString .= $characters[rand(0, $charactersLength - 1)];
}
return $randomString;
}
public function get_plugin_name($file_path = ''){
if( empty( $file_path ) ){
return false;
}
if(!function_exists( 'get_plugins')){
include ABSPATH . '/wp-admin/includes/plugin.php';
}
$plugins = get_plugins();
$content_dir = basename( WP_PLUGIN_DIR );
$separator = defined( 'DIRECTORY_SEPARATOR' ) ? '\\' . DIRECTORY_SEPARATOR : '\/';
preg_match( "/$separator$content_dir$separator(.[^$separator]+)($separator|\.php)/", $file_path , $match );
if(empty($plugins) || empty($match[1])){
return false;
}
$slug = $match[1];
foreach( $plugins as $plugin => $data ){
if( preg_match( "/^$slug(\/|\.php)/", $plugin ) === 1 && isset( $data['Name'] )) {
return $data['Name'];
}
}
return false;
}
public function get_backup_connection(){
// Is Primary email?
if($this->conn_id !== 0 || empty($this->options['mailer'][0]['backup_connection'])){
return false;
}
return $this->options['mailer'][0]['backup_connection'];
}
}