Your IP : 13.59.69.109
<?php
/*
Plugin Name: Newsletter
Plugin URI: https://www.thenewsletterplugin.com
Description: Newsletter is a cool plugin to create your own subscriber list, to send newsletters, to build your business. <strong>Before update give a look to <a href="https://www.thenewsletterplugin.com/category/release">this page</a> to know what's changed.</strong>
Version: 8.4.8
Author: Stefano Lissa & The Newsletter Team
Author URI: https://www.thenewsletterplugin.com
Disclaimer: Use at your own risk. No warranty expressed or implied is provided.
Text Domain: newsletter
License: GPLv2 or later
Requires at least: 5.1
Requires PHP: 7.0
Copyright 2009-2024 The Newsletter Team (email: info@thenewsletterplugin.com, web: https://www.thenewsletterplugin.com)
Newsletter is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
any later version.
Newsletter is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Newsletter. If not, see https://www.gnu.org/licenses/gpl-2.0.html.
*/
define('NEWSLETTER_VERSION', '8.4.8');
global $wpdb, $newsletter;
// For acceptance tests, DO NOT CHANGE
if (!defined('NEWSLETTER_DEBUG'))
define('NEWSLETTER_DEBUG', false);
if (!defined('NEWSLETTER_EXTENSION_UPDATE'))
define('NEWSLETTER_EXTENSION_UPDATE', true);
if (!defined('NEWSLETTER_EMAILS_TABLE'))
define('NEWSLETTER_EMAILS_TABLE', $wpdb->prefix . 'newsletter_emails');
if (!defined('NEWSLETTER_USERS_TABLE'))
define('NEWSLETTER_USERS_TABLE', $wpdb->prefix . 'newsletter');
if (!defined('NEWSLETTER_USERS_META_TABLE'))
define('NEWSLETTER_USERS_META_TABLE', $wpdb->prefix . 'newsletter_user_meta');
if (!defined('NEWSLETTER_STATS_TABLE'))
define('NEWSLETTER_STATS_TABLE', $wpdb->prefix . 'newsletter_stats');
if (!defined('NEWSLETTER_SENT_TABLE'))
define('NEWSLETTER_SENT_TABLE', $wpdb->prefix . 'newsletter_sent');
if (!defined('NEWSLETTER_LOGS_TABLE'))
define('NEWSLETTER_LOGS_TABLE', $wpdb->prefix . 'newsletter_logs');
if (!defined('NEWSLETTER_SEND_DELAY'))
define('NEWSLETTER_SEND_DELAY', 0);
if (!defined('NEWSLETTER_USE_POST_GALLERY'))
define('NEWSLETTER_USE_POST_GALLERY', false);
// Empty or "ajax"
if (!defined('NEWSLETTER_TRACKING_TYPE'))
define('NEWSLETTER_TRACKING_TYPE', '');
if (!defined('NEWSLETTER_PAGE_WARNING'))
define('NEWSLETTER_PAGE_WARNING', true);
// Empty or "ajax"
if (!defined('NEWSLETTER_ACTION_TYPE'))
define('NEWSLETTER_ACTION_TYPE', '');
define('NEWSLETTER_SLUG', 'newsletter');
define('NEWSLETTER_DIR', __DIR__);
define('NEWSLETTER_INCLUDES_DIR', __DIR__ . '/includes');
if (!defined('NEWSLETTER_LIST_MAX'))
define('NEWSLETTER_LIST_MAX', 40);
if (!defined('NEWSLETTER_PROFILE_MAX'))
define('NEWSLETTER_PROFILE_MAX', 20);
if (!defined('NEWSLETTER_FORMS_MAX'))
define('NEWSLETTER_FORMS_MAX', 10);
spl_autoload_register(function ($class) {
static $prefix = 'Newsletter\\';
static $dir = __DIR__ . '/classes/';
$len = strlen($prefix);
if (strncmp($prefix, $class, $len) !== 0) {
return;
}
$file = $dir . str_replace('\\', '/', $class) . '.php';
if (file_exists($file)) {
require $file;
}
});
require_once NEWSLETTER_INCLUDES_DIR . '/defaults.php';
require_once NEWSLETTER_INCLUDES_DIR . '/classes.php';
require_once NEWSLETTER_INCLUDES_DIR . '/module-base.php';
require_once NEWSLETTER_INCLUDES_DIR . '/module.php';
require_once NEWSLETTER_INCLUDES_DIR . '/TNP.php';
require_once NEWSLETTER_INCLUDES_DIR . '/cron.php';
require_once NEWSLETTER_INCLUDES_DIR . '/composer-class.php';
class Newsletter extends NewsletterModule {
// Limits to respect to avoid memory, time or provider limits
var $time_start;
var $time_limit = 0;
var $max_emails = null;
var $mailer = null;
var $action = '';
static $instance;
/**
* @return Newsletter
*/
static function instance() {
if (self::$instance == null) {
self::$instance = new self();
}
return self::$instance;
}
function __construct() {
// Grab it before a plugin decides to remove it.
if (!is_admin()) {
if (isset($_GET['na'])) {
$this->action = sanitize_key($_GET['na']);
}
if (isset($_POST['na'])) {
$this->action = sanitize_key($_POST['na']);
}
}
$this->time_start = time();
parent::__construct('main');
// The main actions of WP during the inizialization phase, in order
add_action('plugins_loaded', [$this, 'hook_plugins_loaded']);
add_action('init', [$this, 'hook_init'], 1);
add_action('wp_loaded', [$this, 'hook_wp_loaded'], 1);
add_action('newsletter', [$this, 'hook_newsletter'], 1);
add_action('wp_ajax_tnp', [$this, 'ajax_action']);
add_action('wp_ajax_nopriv_tnp', [$this, 'ajax_action']);
if (is_admin()) {
add_action('wp_ajax_newsletter-log', function () {
check_ajax_referer('newsletter-log');
if (!current_user_can('administrator')) {
die('no admin');
}
$log = Newsletter\Logs::get((int) $_GET['id']);
header('Content-Type: text/plain;charset=utf-8');
if (empty($log->data))
echo '[no data]';
else
echo $log->data;
die();
});
}
register_activation_hook(__FILE__, [$this, 'hook_activate']);
register_deactivation_hook(__FILE__, [$this, 'hook_deactivate']);
}
/**
* Action request via AJAX.
*/
function ajax_action() {
if (isset($_REQUEST['na'])) {
$this->action = sanitize_key($_REQUEST['na']);
$this->do_action();
} else {
die('No axction specified');
}
die();
}
/**
* When all plugins have been loaded (but not initialized).
*/
function hook_plugins_loaded() {
$this->setup_language();
// Used to load dependant modules
do_action('newsletter_loaded', NEWSLETTER_VERSION);
if (function_exists('load_plugin_textdomain')) {
load_plugin_textdomain('newsletter', false, plugin_basename(__DIR__) . '/languages');
}
}
/**
* Plugins initialization.
*
* @global wpdb $wpdb
*/
function hook_init() {
// Here since there are still newsletter actions used by the admin modules
if (current_user_can('administrator')) {
self::$is_allowed = true;
} else {
$roles = $this->get_main_option('roles');
if (!empty($roles)) {
foreach ($roles as $role) {
if (current_user_can($role)) {
self::$is_allowed = true;
break;
}
}
}
}
if ($this->get_option('debug')) {
ini_set('log_errors', 1);
ini_set('error_log', WP_CONTENT_DIR . '/logs/newsletter/php-' . date('Y-m') . '-' . get_option('newsletter_logger_secret') . '.txt');
}
if (!is_admin() || defined('DOING_AJAX') && DOING_AJAX) {
// Shortcode for the Newsletter page
add_shortcode('newsletter', array($this, 'shortcode_newsletter'));
add_shortcode('newsletter_replace', [$this, 'shortcode_newsletter_replace']);
}
add_filter('site_transient_update_plugins', [$this, 'hook_site_transient_update_plugins']);
add_action('wp_enqueue_scripts', [$this, 'hook_wp_enqueue_scripts']);
do_action('newsletter_init');
if (is_admin() && !wp_next_scheduled('newsletter_clean')) {
wp_schedule_event(time() + HOUR_IN_SECONDS, 'weekly', 'newsletter_clean');
}
add_action('newsletter_clean', [$this, 'newsletter_clean']);
}
function newsletter_clean() {
Newsletter\Logs::clean();
}
function hook_wp_loaded() {
// After everything has been loaded, since the plugin url could be changed (usually for multidomain installations)
self::$plugin_url = plugins_url('newsletter');
$this->setup_language();
// Avoid upgrade during AJAX
if (!defined('DOING_AJAX')) {
$old_version = get_option('newsletter_version', '0.0.0');
if ($old_version !== NEWSLETTER_VERSION) {
include_once NEWSLETTER_INCLUDES_DIR . '/upgrade.php';
update_option('newsletter_version', NEWSLETTER_VERSION);
}
}
$this->do_action();
}
function do_action() {
if (empty($this->action)) {
return;
}
if ($this->action === 'test') {
// This response is tested, do not change it!
echo 'ok';
die();
}
if ($this->action === 'nul') {
$this->dienow('This link is not active on newsletter preview', 'You can send a test message to test subscriber to have the real working link.');
}
$user = $this->get_current_user();
if ($user && $user->_dummy) {
$email = $this->get_email_from_request();
do_action('newsletter_action_dummy', $this->action, $user, $email);
return;
}
if ($user && !empty($user->language)) {
$this->switch_language($user->language);
}
$email = $this->get_email_from_request();
do_action('newsletter_action', $this->action, $user, $email);
}
function hook_activate() {
include_once NEWSLETTER_INCLUDES_DIR . '/upgrade.php';
update_option('newsletter_version', NEWSLETTER_VERSION);
}
function first_install() {
parent::first_install();
update_option('newsletter_show_welcome', '1', false);
}
function is_allowed() {
return self::$is_allowed;
}
/**
* Sets the internal language used by admin panels to extract the language-related
* values.
*
* @return type
*/
function setup_language() {
if (defined('NEWSLETTER_LANGUAGE')) {
self::$is_multilanguage = true;
} else {
self::$is_multilanguage = apply_filters('newsletter_is_multilanguage', class_exists('SitePress') || function_exists('pll_default_language') || class_exists('TRP_Translate_Press'));
}
if (self::$is_multilanguage) {
self::$language = self::_get_current_language();
self::$locale = self::get_locale(self::$language);
}
}
static function _get_current_language() {
if (defined('NEWSLETTER_LANGUAGE')) {
return NEWSLETTER_LANGUAGE;
}
// WPML
if (class_exists('SitePress')) {
$current_language = apply_filters('wpml_current_language', '');
if ($current_language == 'all') {
$current_language = '';
}
return $current_language;
}
// Polylang
if (function_exists('pll_current_language')) {
return pll_current_language();
}
// Trnslatepress and/or others
$current_language = apply_filters('newsletter_current_language', '');
return $current_language;
}
/**
* Public CSS for subscription forms and profile form and widgets.
*/
function hook_wp_enqueue_scripts() {
$css = $this->get_option('css');
if (empty($this->get_option('css_disabled')) && apply_filters('newsletter_enqueue_style', true)) {
wp_enqueue_style('newsletter', $this->plugin_url() . '/style.css', [], NEWSLETTER_VERSION);
if (!empty($css)) {
wp_add_inline_style('newsletter', $css);
}
} else {
if (!empty($css)) {
add_action('wp_head', function () {
echo '<style>', $this->get_option('css'), '</style>';
});
}
}
}
function get_message_key_from_request() {
if (empty($_GET['nm'])) {
return 'subscription';
}
$key = $_GET['nm'];
switch ($key) {
case 's': return 'confirmation';
case 'c': return 'confirmed';
case 'u': return 'unsubscription';
case 'uc': return 'unsubscribed';
case 'p':
case 'pe':
return 'profile';
default: return $key;
}
}
/**
* The main shortcode to be used in the reserved page.
* @todo This shortcode is not related only to subscription, move it away
* @todo Separate below the code for the shortcode and the one for the "subscription" content
*
* @global wpdb $wpdb
* @param array $attrs
* @param string $content
* @return string
*/
function shortcode_newsletter($attrs, $content) {
static $executing = false;
// To avoid loops
if ($executing) {
return '';
}
$executing = true;
$message_key = $this->get_message_key_from_request();
$user = $this->get_current_user();
// Lets modules to provie its own text
$message = apply_filters('newsletter_page_text', '', $message_key, $user);
$message = do_shortcode($message);
$email = $this->get_email_from_request();
$message = $this->replace($message, $user, $email, 'page');
if (isset($_REQUEST['alert'])) {
// slashes are already added by wordpress!
$message .= '<script>alert("' . esc_js(strip_tags($_REQUEST['alert'])) . '");</script>';
}
$executing = false;
return $message;
}
function shortcode_newsletter_replace($attrs, $content) {
$content = do_shortcode($content);
$content = $this->replace($content, $this->get_current_user(), $this->get_email_from_request(), 'page');
return $content;
}
function relink($text, $email_id, $user_id, $email_token = '') {
return NewsletterStatistics::instance()->relink($text, $email_id, $user_id, $email_token);
}
/**
*
* @global wpdb $wpdb
* @param TNP_Email $email
*/
function update_email_total($email) {
global $wpdb;
$total = (int) $wpdb->get_var(str_replace('*', 'count(*)', $email->query));
if ($total > $email->total) {
$wpdb->update(NEWSLETTER_EMAILS_TABLE, ['total' => $total], ['id' => $email->id], ['%d', '%d'], ['%d']);
$email->total = $total;
}
}
/**
* Runs every 5 minutes and look for emails that need to be processed.
*/
function hook_newsletter() {
$this->logger->debug(__METHOD__ . '> Start');
if (!$this->set_lock('engine', NEWSLETTER_CRON_INTERVAL * 2)) {
$this->logger->fatal('Delivery engine lock already set: can be due to concurrente executions or fatal error during delivery');
return;
}
$emails = $this->get_results("select * from " . NEWSLETTER_EMAILS_TABLE . " where status='sending' and send_on<=" . time() . " order by send_on asc");
$this->logger->debug(__METHOD__ . '> ' . count($emails) . ' newsletter to be processed');
foreach ($emails as $email) {
$email->options = maybe_unserialize($email->options);
$this->update_email_total($email);
$r = $this->send($email);
if (!$r) {
break;
}
}
$this->reset_lock('engine');
$this->logger->debug(__METHOD__ . '> End');
}
function get_send_speed($email = null) {
$this->logger->debug(__METHOD__ . '> Computing delivery speed');
$mailer = $this->get_mailer();
$speed = (int) $mailer->get_speed();
if (!$speed) {
$this->logger->debug(__METHOD__ . '> Speed not set by mailer, use the default');
$speed = (int) $this->get_main_option('scheduler_max');
} else {
$this->logger->debug(__METHOD__ . '> Speed set by mailer');
}
$speed = max($speed, (int) (3600 / NEWSLETTER_CRON_INTERVAL));
$this->logger->debug(__METHOD__ . '> Speed: ' . $speed);
return $speed;
}
/**
* Returns the delay in milliseconds between emails to respect a per second max speed.
*
* @return int Milliseconds
*/
function get_send_delay() {
if (NEWSLETTER_SEND_DELAY) {
return NEWSLETTER_SEND_DELAY;
}
$max = (float) $this->get_main_option('max_per_second');
if ($max > 0) {
return (int) (1000 / $max);
}
return 0;
}
function skip_this_run($email = null) {
return (boolean) apply_filters('newsletter_send_skip', false, $email);
}
function get_runs_per_hour() {
return (int) (3600 / NEWSLETTER_CRON_INTERVAL);
}
/**
* Used by Autoresponder.
*
* @return int
*/
function get_emails_per_run() {
$speed = $this->get_send_speed();
$max = (int) ($speed / $this->get_runs_per_hour());
return $max;
}
function get_max_emails($email) {
// Obsolete, here from Speed Control Addon
$max = (int) apply_filters('newsletter_send_max_emails', $this->max_emails, $email);
return min($max, $this->max_emails);
}
function fix_email($email) {
if (empty($email->query)) {
$email->query = "select * from " . NEWSLETTER_USERS_TABLE . " where status='C'";
}
if (empty($email->id)) {
$email->id = 0;
}
}
function send_setup() {
$this->logger->debug(__METHOD__ . '> Setup delivery engine');
if (is_null($this->max_emails)) {
$this->max_emails = $this->get_emails_per_run();
$this->logger->debug(__METHOD__ . '> Max emails: ' . $this->max_emails);
ignore_user_abort(true);
@set_time_limit(NEWSLETTER_CRON_INTERVAL + 30);
$max_time = (int) (@ini_get('max_execution_time') * 0.95);
if ($max_time == 0 || $max_time > NEWSLETTER_CRON_INTERVAL) {
$max_time = (int) (NEWSLETTER_CRON_INTERVAL * 0.95);
}
$this->time_limit = $this->time_start + $max_time;
$this->logger->debug(__METHOD__ . '> Max time set to ' . $max_time);
} else {
$this->logger->debug(__METHOD__ . '> Already setup');
}
}
function time_exceeded() {
if ($this->time_limit && time() > $this->time_limit) {
$this->logger->info(__METHOD__ . '> Max execution time limit reached');
return true;
}
}
/**
* Sends an email to targeted users or to given users. If a list of users is given (usually a list of test users)
* the query inside the email to retrieve users is not used.
*
* @global wpdb $wpdb
* @global type $newsletter_feed
* @param TNP_Email $email
* @param array $users
* @return boolean|WP_Error True if the process completed, false if limits was reached. On false the caller should no continue to call it with other emails.
*/
function send($email, $users = null, $test = false) {
global $wpdb;
if (is_array($email)) {
$email = (object) $email;
}
$this->logger->info(__METHOD__ . '> Start newsletter ' . $email->id);
$this->send_setup();
if ($this->max_emails <= 0) {
$this->logger->info(__METHOD__ . '> No more capacity');
return false;
}
$this->fix_email($email);
// This stops the update of last_id and sent fields since
// it's not a scheduled delivery but a test or something else (like an autoresponder)
$supplied_users = $users != null;
if (!$supplied_users) {
if ($this->skip_this_run($email)) {
$this->logger->info(__METHOD__ . '> Asked to skip this run');
return true;
}
// Speed change for specific email by Speed Control Addon
$max_emails = $this->get_max_emails($email);
if ($max_emails <= 0) {
$this->logger->info(__METHOD__ . '> Reached max emails for this newsletter');
return true;
}
$query = $email->query;
$query .= " and id>" . $email->last_id . " order by id limit " . $max_emails;
$this->logger->debug(__METHOD__ . '> Query: ' . $query);
$users = $this->get_results($query);
if ($users === false) {
$this->logger->fatal(__METHOD__ . '> Database error (see logs)');
$this->set_error_state_of_email($email, 'Database error (see logs)');
return true; // Continue with the next newsletter
}
$this->logger->debug(__METHOD__ . '> Loaded subscribers: ' . count($users));
if (empty($users)) {
$this->logger->info(__METHOD__ . '> No more users, set as sent');
$wpdb->query("update " . NEWSLETTER_EMAILS_TABLE . " set status='sent', total=sent where id=" . $email->id . " limit 1");
do_action('newsletter_ended_sending_newsletter', $email);
return true;
}
} else {
$this->logger->info(__METHOD__ . '> Subscribers supplied externally');
}
$start_time = microtime(true);
$count = 0;
$result = true;
$mailer = $this->get_mailer();
$batch_size = $mailer->get_batch_size();
$delay = $this->get_send_delay();
$this->logger->debug(__METHOD__ . '> Delay set to ' . $delay);
//$this->logger->debug(__METHOD__ . '> Batch size: ' . $batch_size);
// For batch size == 1 (normal condition) we optimize
if ($batch_size == 1) {
foreach ($users as $user) {
if ($this->logger->is_debug)
$this->logger->debug(__METHOD__ . '> Processing user ID: ' . $user->id);
$user = apply_filters('newsletter_send_user', $user);
if (!$user) {
continue;
}
if (!$this->is_email($user->email)) {
$this->logger->error('Subscriber ' . $user->id . ' with invalid email, skipped');
if (!$test) {
$this->query("update " . NEWSLETTER_EMAILS_TABLE . " set sent=sent+1, last_id=" . $user->id . " where id=" . $email->id . " limit 1");
}
continue;
}
$message = $this->build_message($email, $user);
// Save even test emails since people wants to see some stats even for test emails. Stats are reset upon the real "send" of a newsletter
$this->save_sent_message($message);
//Se non è un test incremento il contatore delle email spedite. Perchè incremento prima di spedire??
if (!$test) {
$this->query("update " . NEWSLETTER_EMAILS_TABLE . " set sent=sent+1, last_id=" . $user->id . " where id=" . $email->id . " limit 1");
}
$r = $mailer->send($message);
$this->max_emails--;
$count++;
if ($delay) {
usleep($delay * 1000);
}
if (!empty($message->error)) {
$this->logger->error($message);
$this->save_sent_message($message);
}
if (is_wp_error($r)) {
$this->logger->error($r);
// For fatal error, the newsletter status i changed to error (and the delivery stopped)
if (!$test && $r->get_error_code() == NewsletterMailer::ERROR_FATAL) {
$this->set_error_state_of_email($email, $r->get_error_message());
return $r;
}
}
if (!$supplied_users && !$test && $this->time_exceeded()) {
$result = false;
break;
}
}
} else {
$chunks = array_chunk($users, $batch_size);
foreach ($chunks as $chunk) {
$messages = [];
// Peeparing a batch of messages
foreach ($chunk as $user) {
$this->logger->debug(__METHOD__ . '> Processing user ID: ' . $user->id);
$user = apply_filters('newsletter_send_user', $user);
if (!$this->is_email($user->email)) {
$this->logger->error('Subscriber ' . $user->id . ' with invalid email');
continue;
}
$message = $this->build_message($email, $user);
$this->save_sent_message($message);
$messages[] = $message;
if (!$test) {
$wpdb->query("update " . NEWSLETTER_EMAILS_TABLE . " set sent=sent+1, last_id=" . $user->id . " where id=" . $email->id . " limit 1");
}
$this->max_emails--;
$count++;
}
$r = $mailer->send_batch($messages);
// Updating the status of the sent messages
foreach ($messages as $message) {
if (!empty($message->error)) {
$this->save_sent_message($message);
}
}
// The batch went in error
if (is_wp_error($r)) {
$this->logger->error($r);
if (!$test && $r->get_error_code() == NewsletterMailer::ERROR_FATAL) {
$this->set_error_state_of_email($email, $r->get_error_message());
return $r;
}
}
if (!$supplied_users && !$test && $this->time_exceeded()) {
$result = false;
break;
}
}
}
$end_time = microtime(true);
// Stats only for newsletter with enough emails in a batch (we exclude the Autoresponder since it send one email per call)
if (!$test && !$supplied_users && $count > 5) {
$this->update_send_stats($start_time, $end_time, $count, $result);
}
// Cached general statistics are reset
if (!$test) {
NewsletterStatistics::instance()->reset_stats_time($email->id);
}
$this->logger->info(__METHOD__ . '> End run for email ' . $email->id);
return $result;
}
function update_send_stats($start_time, $end_time, $count, $result) {
$send_calls = get_option('newsletter_diagnostic_send_calls', []);
if (!is_array($send_calls))
$send_calls = [];
$send_calls[] = [$start_time, $end_time, $count, $result];
if (count($send_calls) > 100) {
array_shift($send_calls);
}
update_option('newsletter_diagnostic_send_calls', $send_calls, false);
}
/**
* @param TNP_Email $email
*/
private function set_error_state_of_email($email, $message = '') {
// Handle only message type at the moment
if ($email->type !== 'message') {
return;
}
do_action('newsletter_error_on_sending', $email, $message);
$edited_email = new TNP_Email();
$edited_email->id = $email->id;
$edited_email->status = TNP_Email::STATUS_ERROR;
$edited_email->options = $email->options;
$edited_email->options['error_message'] = $message;
$this->save_email($edited_email);
}
/**
*
* @param TNP_Email $email
* @param TNP_User $user
* @return \TNP_Mailer_Message
*/
function build_message($email, $user) {
$message = new TNP_Mailer_Message();
$message->to = $user->email;
$message->headers = [
'Precedence' => 'bulk',
'X-Newsletter-Email-Id' => $email->id,
'X-Auto-Response-Suppress' => 'OOF, AutoReply'
];
$message->headers = apply_filters('newsletter_message_headers', $message->headers, $email, $user);
$message->body = preg_replace('/data-json=".*?"/is', '', $email->message);
$message->body = preg_replace('/ +/s', ' ', $message->body);
$message->body = $this->replace_for_email($message->body, $user, $email);
$message->body = do_shortcode($message->body);
$message->body = apply_filters('newsletter_message_html', $message->body, $email, $user);
$message->body_text = $this->replace($email->message_text, $user, $email);
$message->body_text = apply_filters('newsletter_message_text', $message->body_text, $email, $user);
if ($email->track == 1) {
$message->body = $this->relink($message->body, $email->id, $user->id, $email->token);
}
if (empty($email->subject)) {
$message->subject = '[no subject]';
} else {
$message->subject = $this->replace($email->subject, $user, $email);
}
$message->subject = apply_filters('newsletter_message_subject', $message->subject, $email, $user);
if (!empty($email->options['sender_email'])) {
$message->from = $email->options['sender_email'];
} else {
$message->from = $this->get_sender_email();
}
if (!empty($email->options['sender_name'])) {
$message->from_name = $email->options['sender_name'];
} else {
$message->from_name = $this->get_sender_name();
}
$message->email_id = $email->id;
$message->user_id = $user->id;
return apply_filters('newsletter_message', $message, $email, $user);
}
/**
*
* @param TNP_Mailer_Message $message
* @param int $status
* @param string $error
*/
function save_sent_message($message) {
global $wpdb;
if (!$message->user_id || !$message->email_id) {
return;
}
$status = empty($message->error) ? 0 : 1;
$error = mb_substr($message->error, 0, 250);
$this->query($wpdb->prepare("insert into " . $wpdb->prefix . 'newsletter_sent (user_id, email_id, time, status, error) values (%d, %d, %d, %d, %s) on duplicate key update time=%d, status=%d, error=%s',
$message->user_id, $message->email_id, time(), $status, $error, time(), $status, $error));
}
/**
* @deprecated since version 7.3.0
*/
function limits_exceeded() {
return false;
}
/**
* @deprecated since version 6.0.0
*/
function register_mail_method($callable) {
}
function register_mailer($mailer) {
if ($mailer instanceof NewsletterMailer) {
$this->mailer = $mailer;
}
}
/**
* Returns the current registered mailer which must be used to send emails.
*
* @return NewsletterMailer
*/
function get_mailer() {
if ($this->mailer) {
return $this->mailer;
}
do_action('newsletter_register_mailer');
if (!$this->mailer) {
$this->mailer = new NewsletterDefaultMailer();
}
return $this->mailer;
}
/**
*
* @param TNP_Mailer_Message $message
* @return type
*/
function deliver($message) {
$mailer = $this->get_mailer();
if (empty($message->from)) {
$message->from = $this->get_sender_email();
}
if (empty($message->from_name)) {
$mailer->from_name = $this->get_sender_name();
}
return $mailer->send($message);
}
/**
*
* @param type $to
* @param type $subject
* @param string|array $message If string is considered HTML, is array should contains the keys "html" and "text"
* @param type $headers
* @param type $enqueue
* @param type $from
* @return boolean
*/
function mail($to, $subject, $message, $headers = array(), $enqueue = false, $from = false) {
if (empty($subject)) {
$this->logger->error('mail> Subject empty, skipped');
return true;
}
$mailer_message = new TNP_Mailer_Message();
$mailer_message->to = $to;
$mailer_message->subject = $subject;
$mailer_message->from = $this->get_option('sender_email');
$mailer_message->from_name = $this->get_option('sender_name');
if (!empty($headers)) {
$mailer_message->headers = $headers;
}
$mailer_message->headers['X-Auto-Response-Suppress'] = 'OOF, AutoReply';
// Message carrige returns and line feeds clean up
if (!is_array($message)) {
$mailer_message->body = $this->clean_eol($message);
} else {
if (!empty($message['text'])) {
$mailer_message->body_text = $this->clean_eol($message['text']);
}
if (!empty($message['html'])) {
$mailer_message->body = $this->clean_eol($message['html']);
}
}
$this->logger->debug($mailer_message);
$mailer = $this->get_mailer();
$r = $mailer->send($mailer_message);
return !is_wp_error($r);
}
function hook_deactivate() {
wp_clear_scheduled_hook('newsletter');
}
function find_file($file1, $file2) {
if (is_file($file1))
return $file1;
return $file2;
}
function hook_site_transient_update_plugins($value) {
static $extra_response = array();
//$this->logger->debug('Update plugins transient called');
if (!$value || !is_object($value)) {
//$this->logger->info('Empty object');
return $value;
}
if (!isset($value->response) || !is_array($value->response)) {
$value->response = array();
}
// Already computed? Use it! (this filter is called many times in a single request)
if ($extra_response) {
//$this->logger->debug('Already updated');
$value->response = array_merge($value->response, $extra_response);
return $value;
}
$extensions = $this->getTnpExtensions();
// Ops...
if (!$extensions) {
return $value;
}
foreach ($extensions as $extension) {
unset($value->response[$extension->wp_slug]);
unset($value->no_update[$extension->wp_slug]);
}
// Someone doesn't want our addons updated, let respect it (this constant should be defined in wp-config.php)
if (!NEWSLETTER_EXTENSION_UPDATE) {
//$this->logger->info('Updates disabled');
return $value;
}
include_once(ABSPATH . 'wp-admin/includes/plugin.php');
// Ok, that is really bad (should we remove it? is there a minimum WP version?)
if (!function_exists('get_plugin_data')) {
//$this->logger->error('No get_plugin_data function available!');
return $value;
}
$license_key = $this->get_license_key();
// Here we prepare the update information BUT do not add the link to the package which is privided
// by our Addons Manager (due to WP policies)
foreach ($extensions as $extension) {
// Patch for names convention
$extension->plugin = $extension->wp_slug;
//$this->logger->debug('Processing ' . $extension->plugin);
//$this->logger->debug($extension);
$plugin_data = false;
if (file_exists(WP_PLUGIN_DIR . '/' . $extension->plugin)) {
$plugin_data = get_plugin_data(WP_PLUGIN_DIR . '/' . $extension->plugin, false, false);
} else if (file_exists(WPMU_PLUGIN_DIR . '/' . $extension->plugin)) {
$plugin_data = get_plugin_data(WPMU_PLUGIN_DIR . '/' . $extension->plugin, false, false);
}
if (!$plugin_data) {
//$this->logger->debug('Seems not installed');
continue;
}
$plugin = new stdClass();
$plugin->id = $extension->id;
$plugin->slug = $extension->slug;
$plugin->plugin = $extension->plugin;
$plugin->new_version = $extension->version;
$plugin->url = $extension->url;
if (class_exists('NewsletterExtensions')) {
// NO filters here!
$plugin->package = NewsletterExtensions::$instance->get_package($extension->id, $license_key);
} else {
$plugin->package = '';
}
// [banners] => Array
// (
// [2x] => https://ps.w.org/wp-rss-aggregator/assets/banner-1544x500.png?rev=2040548
// [1x] => https://ps.w.org/wp-rss-aggregator/assets/banner-772x250.png?rev=2040548
// )
// [icons] => Array
// (
// [2x] => https://ps.w.org/advanced-custom-fields/assets/icon-256x256.png?rev=1082746
// [1x] => https://ps.w.org/advanced-custom-fields/assets/icon-128x128.png?rev=1082746
// )
if (version_compare($extension->version, $plugin_data['Version']) > 0) {
//$this->logger->debug('There is a new version');
$extra_response[$extension->plugin] = $plugin;
} else {
// Maybe useless...
//$this->logger->debug('There is NOT a new version');
$value->no_update[$extension->plugin] = $plugin;
}
//$this->logger->debug('Added');
}
$value->response = array_merge($value->response, $extra_response);
return $value;
}
/**
* @deprecated since version 6.1.9
*/
function get_extension_version($extension_id) {
return null;
}
/**
* @deprecated since version 6.1.9
*/
function set_extension_update_data($value, $extension) {
return $value;
}
/**
* Retrieve the extensions form the tnp site
* @return array
*/
function getTnpExtensions() {
$extensions_json = get_transient('tnp_extensions_json');
if (empty($extensions_json)) {
$url = "http://www.thenewsletterplugin.com/wp-content/extensions.json?ver=" . NEWSLETTER_VERSION;
$extensions_response = wp_remote_get($url);
if (is_wp_error($extensions_response)) {
// Cache anyway for blogs which cannot connect outside
$extensions_json = '[]';
set_transient('tnp_extensions_json', $extensions_json, 72 * 60 * 60);
$this->logger->error($extensions_response);
} else {
$extensions_json = wp_remote_retrieve_body($extensions_response);
// Not clear cases
if (empty($extensions_json) || !json_decode($extensions_json)) {
$this->logger->error('Invalid json from thenewsletterplugin.com: retrying in 72 hours');
$this->logger->error('JSON: ' . $extensions_json);
$extensions_json = '[]';
}
set_transient('tnp_extensions_json', $extensions_json, 72 * 60 * 60);
}
}
$extensions = json_decode($extensions_json);
return $extensions;
}
function clear_extensions_cache() {
delete_transient('tnp_extensions_json');
}
/**
* @deprecated
*/
function add_panel($key, $panel) {
}
function has_license() {
return !empty($this->get_main_option('contract_key'));
}
function get_sender_name() {
return $this->get_main_option('sender_name');
}
function get_sender_email() {
return $this->get_main_option('sender_email');
}
function get_reply_to() {
return $this->get_main_option('reply_to');
}
/**
*
* @return int
*/
function get_newsletter_page_id() {
return (int) $this->get_option('page');
}
/**
*
* @return WP_Post
*/
function get_newsletter_page() {
$page_id = $this->get_newsletter_page_id();
if (!$page_id) {
return false;
}
return get_post($page_id);
}
/**
* Returns the Newsletter public page URL or an alternative URL if that page if not
* configured or not available.
*
* @staticvar string $url
* @return string
*/
function get_newsletter_page_url($language = '') {
$page = $this->get_newsletter_page();
if (!$page || $page->post_status !== 'publish') {
// if (current_user_can('administrator')) {
// $this->dienow('Public page not available. This message is shown only to administrators, user will see the home page.'
// . 'Please review the "public page" setting on the Newsletter\'s main configuration.');
// }
return home_url();
}
$url = get_permalink($page->ID);
return $url;
}
function get_license_key() {
if (defined('NEWSLETTER_LICENSE_KEY')) {
return NEWSLETTER_LICENSE_KEY;
} else {
if (!empty($this->options['contract_key'])) {
return trim($this->options['contract_key']);
}
}
return false;
}
/**
* Get the data connected to the specified license code on man settings.
*
* - false if no license is present
* - WP_Error if something went wrong if getting the license data
* - object with expiration and addons list
*
* @param boolean $refresh
* @return \WP_Error|boolean|object
*/
function get_license_data($refresh = false) {
$license_key = $this->get_license_key();
if (empty($license_key)) {
delete_transient('newsletter_license_data');
return false;
}
if (!$refresh) {
$license_data = get_transient('newsletter_license_data');
if ($license_data !== false && is_object($license_data)) {
return $license_data;
}
}
$license_data_url = 'https://www.thenewsletterplugin.com/wp-content/plugins/file-commerce-pro/get-license-data.php';
$response = wp_remote_post($license_data_url, [
'body' => ['k' => $license_key]
]);
// Fall back to http...
if (is_wp_error($response)) {
$license_data_url = str_replace('https', 'http', $license_data_url);
$response = wp_remote_post($license_data_url, array(
'body' => array('k' => $license_key)
));
if (is_wp_error($response)) {
set_transient('newsletter_license_data', $response, DAY_IN_SECONDS);
return $response;
}
}
$download_message = 'You can download all addons from www.thenewsletterplugin.com if your license is valid.';
if (wp_remote_retrieve_response_code($response) != '200') {
$data = new WP_Error(wp_remote_retrieve_response_code($response),
'[' . esc_html(wp_remote_retrieve_response_code($response)) . '] '
. esc_html(wp_remote_retrieve_response_message($response))
. '<br>' . $download_message);
set_transient('newsletter_license_data', $data, DAY_IN_SECONDS);
return $data;
}
$json = wp_remote_retrieve_body($response);
$data = json_decode($json);
if (!is_object($data)) {
$data = new WP_Error(1, 'License validation service error. <br>' . $download_message);
set_transient('newsletter_license_data', $data, DAY_IN_SECONDS);
return $data;
}
if (isset($data->message)) {
$data = new WP_Error(1, 'License check: ' . $data->message);
set_transient('newsletter_license_data', $data, DAY_IN_SECONDS);
return $data;
}
$expiration = WEEK_IN_SECONDS;
// If the license expires in few days, make the transient live only few days, so it will be refreshed
if ($data->expire > time() && $data->expire - time() < WEEK_IN_SECONDS) {
$expiration = $data->expire - time();
}
set_transient('newsletter_license_data', $data, $expiration);
return $data;
}
/**
* @deprecated
* @param type $license_key
* @return \WP_Error
*/
public static function check_license($license_key) {
$response = wp_remote_get('http://www.thenewsletterplugin.com/wp-content/plugins/file-commerce-pro/check.php?k=' . urlencode($license_key), array('sslverify' => false));
if (is_wp_error($response)) {
/* @var $response WP_Error */
return new WP_Error(-1, 'It seems that your blog cannot contact the license validator. Ask your provider to unlock the HTTP/HTTPS connections to www.thenewsletterplugin.com<br>'
. esc_html($response->get_error_code()) . ' - ' . esc_html($response->get_error_message()));
} else if ($response['response']['code'] != 200) {
return new WP_Error(-1, '[' . $response['response']['code'] . '] The license seems expired or not valid, please check your <a href="https://www.thenewsletterplugin.com/account">license code and status</a>, thank you.'
. '<br>You can anyway download the professional extension from https://www.thenewsletterplugin.com.');
} elseif ($expires = json_decode(wp_remote_retrieve_body($response))) {
return array('expires' => $expires->expire, 'message' => 'Your license is valid and expires on ' . esc_html(date('Y-m-d', $expires->expire)));
} else {
return new WP_Error(-1, 'Unable to detect the license expiration. Debug data to report to the support: <code>' . esc_html(wp_remote_retrieve_body($response)) . '</code>');
}
}
}
$newsletter = Newsletter::instance();
// Frontend modules
require_once NEWSLETTER_DIR . '/users/users.php';
require_once NEWSLETTER_DIR . '/subscription/subscription.php';
require_once NEWSLETTER_DIR . '/emails/emails.php';
require_once NEWSLETTER_DIR . '/statistics/statistics.php';
require_once NEWSLETTER_DIR . '/unsubscription/unsubscription.php';
require_once NEWSLETTER_DIR . '/profile/profile.php';
require_once NEWSLETTER_DIR . '/widget/standard.php';
require_once NEWSLETTER_DIR . '/widget/minimal.php';
if (is_admin()) {
require_once NEWSLETTER_DIR . '/admin.php';
}