function wplc_init_ajax_callback()
{
@ob_start();
$check = check_ajax_referer('wplc', 'security');
if ($check == 1) {
$wplc_advanced_settings = get_option("wplc_advanced_settings");
if (!$wplc_advanced_settings) {
$wplc_delay_between_updates = 500000;
$wplc_delay_between_loops = 500000;
$wplc_iterations = 55;
} else {
if (isset($wplc_advanced_settings['wplc_delay_between_updates'])) {
$wplc_delay_between_updates = intval($wplc_advanced_settings['wplc_delay_between_updates']);
} else {
$wplc_delay_between_updates = 500000;
}
if (isset($wplc_advanced_settings['wplc_delay_between_loops'])) {
$wplc_delay_between_loops = intval($wplc_advanced_settings['wplc_delay_between_loops']);
} else {
$wplc_delay_between_loops = 500000;
}
if (isset($wplc_advanced_settings['wplc_iterations'])) {
$wplc_iterations = intval($wplc_advanced_settings['wplc_iterations']);
} else {
$wplc_iterations = 55;
}
if ($wplc_iterations < 10) {
$wplc_iterations = 10;
}
if ($wplc_iterations > 200) {
$wplc_iterations = 200;
}
if ($wplc_delay_between_updates < 250000) {
$wplc_delay_between_updates = 250000;
}
if ($wplc_delay_between_updates > 1000000) {
$wplc_delay_between_updates = 1000000;
}
if ($wplc_delay_between_loops < 250000) {
$wplc_delay_between_loops = 250000;
}
if ($wplc_delay_between_loops > 1000000) {
$wplc_delay_between_loops = 1000000;
}
}
$iterations = $wplc_iterations;
/* time in microseconds between updating the user on the page within the DB (lower number = higher resource usage) */
define('WPLC_DELAY_BETWEEN_UPDATES', $wplc_delay_between_updates);
/* time in microseconds between long poll loop (lower number = higher resource usage) */
define('WPLC_DELAY_BETWEEN_LOOPS', $wplc_delay_between_loops);
/* this needs to take into account the previous constants so that we dont run out of time, which in turn returns a 503 error */
define('WPLC_TIMEOUT', (WPLC_DELAY_BETWEEN_UPDATES + WPLC_DELAY_BETWEEN_LOOPS) * $iterations / 1000000);
global $wpdb;
global $wplc_tblname_chats;
global $wplc_tblname_msgs;
/* we're using PHP 'sleep' which may lock other requests until our script wakes up. Call this function to ensure that other requests can run without waiting for us to finish */
session_write_close();
if ($_POST['action'] == "wplc_get_chat_box") {
echo wplc_output_box_5100();
}
if ($_POST['action'] == 'wplc_admin_long_poll') {
// header("HTTP/1.0 500"); //Simulate 500 error
// header("HTTP/1.0 404"); //Simulate 404 error
// die();
if (defined('WPLC_TIMEOUT')) {
@set_time_limit(WPLC_TIMEOUT);
} else {
@set_time_limit(120);
}
//sleep(6);
$i = 1;
$wplc_current_user = get_current_user_id();
/* If user is either an agent or an admin, access the page. */
if (!get_user_meta($wplc_current_user, 'wplc_ma_agent', true)) {
$array['error'] = 1;
echo json_encode($array);
exit;
}
while ($i <= $iterations) {
// update chats if they have timed out every 15 iterations
if ($i % 15 == 0) {
wplc_update_chat_statuses();
}
if ($_POST['wplc_update_admin_chat_table'] == 'false') {
/* this is a new load of the page, return false so we can force a send of the new visitor data */
$old_chat_data = false;
} else {
$old_chat_data = stripslashes($_POST['wplc_update_admin_chat_table']);
}
$pending = wplc_check_pending_chats();
$new_chat_data = wplc_list_chats_new($_POST);
if ($new_chat_data == "false") {
$new_chat_data = false;
}
if ($new_chat_data !== $old_chat_data) {
$array['old_chat_data'] = $old_chat_data;
$array['wplc_update_admin_chat_table'] = $new_chat_data;
$array['pending'] = $pending;
$array['action'] = "wplc_update_chat_list";
}
if (isset($array)) {
echo json_encode($array);
break;
}
@ob_end_flush();
if (defined('WPLC_DELAY_BETWEEN_LOOPS')) {
usleep(WPLC_DELAY_BETWEEN_LOOPS);
} else {
usleep(500000);
}
$i++;
}
}
if ($_POST['action'] == "wplc_admin_long_poll_chat") {
if (defined('WPLC_TIMEOUT')) {
@set_time_limit(WPLC_TIMEOUT);
} else {
@set_time_limit(120);
}
$i = 1;
$array = array();
while ($i <= $iterations) {
$array = apply_filters("wplc_filter_admin_long_poll_chat_loop_iteration", $array, $_POST, $i);
if ($array) {
echo json_encode($array);
break;
}
@ob_end_flush();
if (defined('WPLC_DELAY_BETWEEN_LOOPS')) {
usleep(WPLC_DELAY_BETWEEN_LOOPS);
} else {
usleep(500000);
}
$i++;
}
}
if ($_POST['action'] == "wplc_admin_accept_chat") {
wplc_admin_accept_chat(sanitize_text_field($_POST['cid']));
}
if ($_POST['action'] == "wplc_admin_close_chat") {
$chat_id = sanitize_text_field($_POST['cid']);
wplc_change_chat_status($chat_id, 1);
echo 'done';
}
if ($_POST['action'] == "wplc_admin_send_msg") {
$chat_id = sanitize_text_field($_POST['cid']);
$chat_msg = sanitize_text_field($_POST['msg']);
$wplc_rec_msg = wplc_record_chat_msg("2", $chat_id, $chat_msg);
if ($wplc_rec_msg) {
echo 'sent';
} else {
echo "There was an error sending your chat message. Please contact support";
}
}
//User Ajax
if ($_POST['action'] == 'wplc_call_to_server_visitor') {
if (defined('WPLC_TIMEOUT')) {
@set_time_limit(WPLC_TIMEOUT);
} else {
@set_time_limit(120);
}
$i = 1;
$array = array("check" => false);
$array['debug'] = "";
while ($i <= $iterations) {
if ($_POST['cid'] == null || $_POST['cid'] == "" || $_POST['cid'] == "null" || $_POST['cid'] == 0) {
// echo 1;
if (isset($_POST['wplc_name']) && $_POST['wplc_name'] !== '') {
$user = sanitize_text_field($_POST['wplc_name']);
} else {
$user = "******";
}
if (isset($_POST['wplc_email']) && $_POST['wplc_email'] !== '') {
$email = sanitize_text_field($_POST['wplc_email']);
} else {
$email = "no email set";
}
if (isset($_POST['wplc_is_mobile']) && ($_POST['wplc_is_mobile'] === 'true' || $_POST['wplc_is_mobile'] === true)) {
$is_mobile = true;
} else {
$is_mobile = false;
}
$cid = wplc_log_user_on_page($user, $email, sanitize_text_field($_POST['wplcsession']), $is_mobile);
$array['cid'] = $cid;
$array['status'] = wplc_return_chat_status($cid);
$array['wplc_name'] = $user;
$array['wplc_email'] = $email;
$array['check'] = true;
} else {
// echo 2;
$new_status = wplc_return_chat_status(sanitize_text_field($_POST['cid']));
$array['wplc_name'] = sanitize_text_field($_POST['wplc_name']);
$array['wplc_email'] = sanitize_text_field($_POST['wplc_email']);
$array['cid'] = sanitize_text_field($_POST['cid']);
$array = apply_filters("wplc_filter_user_long_poll_chat_loop_iteration", $array, $_POST, $i);
if ($new_status == $_POST['status']) {
// if status matches do the following
if ($_POST['status'] != 2) {
/* check if session_variable is different? if yes then stop this script completely. */
if (isset($_POST['wplcsession']) && $_POST['wplcsession'] != '' && $i > 1) {
$wplc_session_variable = sanitize_text_field($_POST['wplcsession']);
$current_session_variable = wplc_return_chat_session_variable(sanitize_text_field($_POST['cid']));
if ($current_session_variable != "" && $current_session_variable != $wplc_session_variable) {
/* stop this script */
$array['status'] = 11;
echo json_encode($array);
die;
}
}
if ($i == 1) {
wplc_update_user_on_page(sanitize_text_field($_POST['cid']), sanitize_text_field($_POST['status']), sanitize_text_field($_POST['wplcsession']));
}
}
if ($_POST['status'] == 0) {
// browsing - user tried to chat but admin didn't answer so turn back to browsing
wplc_update_user_on_page(sanitize_text_field($_POST['cid']), 5, sanitize_text_field($_POST['wplcsession']));
$array['status'] = 5;
$array['check'] = true;
} else {
if ($_POST['status'] == 3) {
//wplc_update_user_on_page(sanitize_text_field($_POST['cid']), 3);
$messages = wplc_return_user_chat_messages(sanitize_text_field($_POST['cid']));
if ($messages) {
wplc_mark_as_read_user_chat_messages(sanitize_text_field($_POST['cid']));
$array['status'] = 3;
$array['data'] = $messages;
$array['check'] = true;
}
}
}
/* check if this is part of the first run */
if (isset($_POST['first_run']) && sanitize_text_field($_POST['first_run']) == 1) {
/* if yes, then send data now and dont wait for all iterations to complete */
if (!isset($array['status'])) {
$array['status'] = $new_status;
}
$array['check'] = true;
} else {
if (isset($_POST['short_poll']) && sanitize_text_field($_POST['short_poll']) == "true") {
/* if yes, then send data now and dont wait for all iterations to complete */
if (!isset($array['status'])) {
$array['status'] = $new_status;
}
$array['check'] = true;
}
}
} else {
// statuses do not match
$array['debug'] = $array['debug'] . " " . "Doesnt match {$new_status} " . $_POST['status'];
$array['status'] = $new_status;
if ($new_status == 1) {
// completed
wplc_update_user_on_page(sanitize_text_field($_POST['cid']), 8, sanitize_text_field($_POST['wplcsession']));
$array['check'] = true;
$array['status'] = 8;
$array['data'] = __("Admin has closed and ended the chat", "wplivechat");
} else {
if ($new_status == 2) {
// pending
$array['check'] = true;
$array['wplc_name'] = wplc_return_chat_name(sanitize_text_field($_POST['cid']));
$array['wplc_email'] = wplc_return_chat_email(sanitize_text_field($_POST['cid']));
} else {
if ($new_status == 3) {
// active
$array['data'] = null;
$array['check'] = true;
if ($_POST['status'] == 5) {
$messages = wplc_return_chat_messages(sanitize_text_field($_POST['cid']));
if ($messages) {
$array['data'] = $messages;
}
}
} else {
if ($new_status == 7) {
// timed out
wplc_update_user_on_page(sanitize_text_field($_POST['cid']), 5, sanitize_text_field($_POST['wplcsession']));
} else {
if ($new_status == 9) {
// user closed chat without inputting or starting a chat
$array['check'] = true;
} else {
if ($new_status == 0) {
// no answer from admin
$array['data'] = __('There is No Answer. Please Try Again Later', 'wplivechat');
$array['check'] = true;
@do_action("wplc_hook_missed_chat", array("cid" => $_POST['cid'], "name" => $_POST['wplc_name'], "email" => $_POST['wplc_email']));
} else {
if ($new_status == 10) {
// minimized active chat
$array['check'] = true;
if ($_POST['status'] == 5) {
$messages = wplc_return_chat_messages(sanitize_text_field($_POST['cid']));
if ($messages) {
$array['data'] = $messages;
}
}
}
}
}
}
}
}
}
/* check if this is part of the first run */
if (isset($_POST['first_run']) && sanitize_text_field($_POST['first_run']) == "1") {
/* if yes, then send data now and dont wait for all iterations to complete */
if (!isset($array['status'])) {
$array['status'] = $new_status;
}
$array['check'] = true;
} else {
if (isset($_POST['short_poll']) && sanitize_text_field($_POST['short_poll']) == "true") {
/* if yes, then send data now and dont wait for all iterations to complete */
if (!isset($array['status'])) {
$array['status'] = $new_status;
}
$array['check'] = true;
}
}
$array = apply_filters("wplc_filter_wplc_call_to_server_visitor_new_status_check", $array);
}
}
if ($array['check'] == true) {
echo json_encode($array);
break;
}
$i++;
if (defined('WPLC_DELAY_BETWEEN_LOOPS')) {
usleep(WPLC_DELAY_BETWEEN_LOOPS);
} else {
usleep(500000);
}
@ob_end_flush();
}
}
/* */
if ($_POST['action'] == "wplc_user_close_chat") {
if ($_POST['status'] == 5) {
wplc_change_chat_status(sanitize_text_field($_POST['cid']), 9);
} else {
if ($_POST['status'] == 3) {
wplc_change_chat_status(sanitize_text_field($_POST['cid']), 8);
}
}
}
if ($_POST['action'] == "wplc_user_minimize_chat") {
$chat_id = sanitize_text_field($_POST['cid']);
wplc_change_chat_status(sanitize_text_field($_POST['cid']), 10);
}
if ($_POST['action'] == "wplc_user_maximize_chat") {
$chat_id = sanitize_text_field($_POST['cid']);
wplc_change_chat_status(sanitize_text_field($_POST['cid']), 3);
}
if ($_POST['action'] == "wplc_user_send_msg") {
$chat_id = sanitize_text_field($_POST['cid']);
$chat_msg = sanitize_text_field($_POST['msg']);
$wplc_rec_msg = wplc_record_chat_msg("1", $chat_id, $chat_msg);
if ($wplc_rec_msg) {
echo 'sent';
} else {
echo "There was an error sending your chat message. Please contact support";
}
}
if ($_POST['action'] == "wplc_start_chat") {
if (isset($_POST['cid'])) {
if ($_POST['name'] && $_POST['email']) {
echo wplc_user_initiate_chat(sanitize_text_field($_POST['name']), sanitize_email($_POST['email']), sanitize_text_field($_POST['cid']), sanitize_text_field($_POST['wplcsession']));
// echo the chat session id
} else {
echo "error2";
}
} else {
if ($_POST['name'] && $_POST['email']) {
echo wplc_user_initiate_chat(sanitize_text_field($_POST['name']), sanitize_email($_POST['email']), null, sanitize_text_field($_POST['wplcsession']));
// echo the chat session id
} else {
echo "error2";
}
}
}
}
die;
}
function wplc_action_callback_pro()
{
$check = check_ajax_referer('wplc', 'security');
if ($check == 1) {
if ($_POST['action'] == "wplc_user_send_offline_message") {
wplc_send_offline_message($_POST['name'], $_POST['email'], $_POST['msg'], $_POST['cid']);
if (function_exists('wplc_pro_store_offline_message')) {
wplc_pro_store_offline_message($_POST['name'], $_POST['email'], $_POST['msg']);
}
}
if ($_POST['action'] == "wplc_start_chat") {
if ($_POST['cid']) {
if ($_POST['name'] && $_POST['email']) {
echo wplc_user_initiate_chat(sanitize_text_field($_POST['name']), sanitize_email($_POST['email']), sanitize_text_field($_POST['cid']), $_POST['wplcsession']);
// echo the chat session id
} else {
echo "error2";
}
} else {
if ($_POST['name'] && $_POST['email']) {
echo wplc_user_initiate_chat(sanitize_text_field($_POST['name']), sanitize_email($_POST['email']), null, $_POST['wplcsession']);
// echo the chat session id
} else {
echo "error2";
}
}
}
if ($_POST['action'] == "wplc_macro") {
if (isset($_POST['postid'])) {
$post_id = $_POST['postid'];
} else {
return false;
}
if ($post_id > 0) {
$post_details = get_post($post_id);
if ($post_details) {
echo json_encode(nl2br($post_details->post_content));
} else {
echo json_encode("No post with that ID");
die;
}
} else {
echo json_encode("No macro with that ID");
die;
}
}
if ($_POST['action'] == "wplc_ma_set_transient") {
wplc_ma_set_agents_online($_POST['user_id']);
}
if ($_POST['action'] == "wplc_ma_remove_transient") {
wplc_ma_remove_agents_online($_POST['user_id']);
}
}
die;
// this is required to return a proper result
}
wplc_change_chat_status(sanitize_text_field($_POST['cid']), 3);
}
if ($_POST['action'] == "wplc_user_send_msg") {
$chat_id = sanitize_text_field($_POST['cid']);
$chat_msg = sanitize_text_field($_POST['msg']);
$wplc_rec_msg = wplc_record_chat_msg("1", $chat_id, $chat_msg);
if ($wplc_rec_msg) {
echo 'sent';
} else {
echo "There was an error sending your chat message. Please contact support";
}
}
if ($_POST['action'] == "wplc_start_chat") {
if (isset($_POST['cid'])) {
if ($_POST['name'] && $_POST['email']) {
echo wplc_user_initiate_chat(sanitize_text_field($_POST['name']), sanitize_email($_POST['email']), sanitize_text_field($_POST['cid']), $_POST['wplcsession']);
// echo the chat session id
} else {
echo "error2";
}
} else {
if ($_POST['name'] && $_POST['email']) {
echo wplc_user_initiate_chat(sanitize_text_field($_POST['name']), sanitize_email($_POST['email']), null, $_POST['wplcsession']);
// echo the chat session id
} else {
echo "error2";
}
}
}
}
die;