File: /home/cafsindia/sblt.co.in/wp-content/plugins/wp-live-chat-support/modules/webhooks_manager.php
<?php
global $wplc_webhook_table, $wplc_webhook_events;
$wplc_webhook_table = $wpdb->prefix . "wplc_webhooks";
//Use these when sending a payload
$wplc_webhook_events = array (
0 => __("Agent Login", "wplivechat"),
1 => __("Device Linked", "wplivechat"),
2 => __("Device Unlinked (Revoked)", "wplivechat"),
3 => __("New Visitor", "wplivechat"),
4 => __("Chat Request", "wplivechat"),
5 => __("Agent Accept", "wplivechat"),
6 => __("Settings Changed", "wplivechat")
);
add_action("wplc_activate_hook", "wplc_webhook_db_setup", 10);
add_action("wplc_update_hook", "wplc_webhook_db_setup", 10);
/*
* Updates/Creates the required tables in order to use devices on node
*/
function wplc_webhook_db_setup(){
global $wplc_webhook_table;
$wplc_webhooks_sql = "
CREATE TABLE " . $wplc_webhook_table . " (
id int(11) NOT NULL AUTO_INCREMENT,
url varchar(700) NULL,
push_to_devices tinyint(1) NULL,
action int(11) NULL,
method varchar(70) NULL,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ;
";
dbDelta($wplc_webhooks_sql);
}
add_action("wplc_hook_menu_mid","wplc_webhooks_manager_menu",11,1);
/*
* Adds a Webhooks menu item to admin menu
*/
function wplc_webhooks_manager_menu($cap) {
$wplc_settings = get_option("WPLC_SETTINGS");
if(isset($wplc_settings['wplc_use_node_server']) && $wplc_settings['wplc_use_node_server'] == 1){
//Only add this menu item if user is using node.
add_submenu_page('wplivechat-menu', __('Webhooks', 'wplivechat'), __('Webhooks', 'edit_posts'), $cap[0], 'wplc-webhooks-page', 'wplc_webhooks_page');
}
}
/*
* Draws the webhooks page
*/
function wplc_webhooks_page(){
wplc_webhook_header_check();
$add_webhook_btn = isset($_GET["wplc_action"]) && $_GET["wplc_action"] !== "delete_webhook_confirmed" ? "" : "<a href='?page=wplc-webhooks-page&wplc_action=add_webhook' class='button button-secondary'>". __("Add New", 'wp-livechat') ."</a>";
$content = "<div class='wrap wplc_wrap'>";
$content .= "<h2>" . __('WP Live Chat Support - Webhooks', 'wplivechat') . " " . $add_webhook_btn . "</h2>";
if(isset($_GET['wplc_action']) && $_GET['wplc_action'] === 'add_webhook'){
$content .= wplc_webhooks_add_form();
} else if(isset($_GET['wplc_action']) && $_GET['wplc_action'] === 'edit_webhook'){
$content .= wplc_webhooks_add_form(true, $_GET['id']);
} else if(isset($_GET['wplc_action']) && $_GET['wplc_action'] === 'delete_webhook'){
$content .= wplc_webhooks_confirm_delete_prompt();
} else {
$content .= wplc_webhooks_table();
}
$content .= "</div>"; //Close Wrap
echo $content;
}
function wplc_webhook_header_check(){
if(isset($_POST['add_webhook'])){
//User is trying to add a webhook
if(wplc_webhook_add_webhook()){
echo "<p class='notice notice-success' style='max-width:300px'>" . __("Webhook created", "wplivechat") . "</p>";
} else {
echo "<p class='notice notice-error' style='max-width:300px'>" . __("Webhook could not be created", "wplivechat") . "</p>";
}
}
if(isset($_POST['edit_webhook'])){
//User is trying to edit a webhook
if(wplc_webhook_edit_webhook()){
echo "<p class='notice notice-success' style='max-width:300px'>" . __("Webhook edited", "wplivechat") . "</p>";
} else {
echo "<p class='notice notice-error' style='max-width:300px'>" . __("Webhook could not be edited", "wplivechat") . "</p>";
}
}
if(isset($_GET['wplc_action']) && $_GET['wplc_action'] === 'delete_webhook_confirmed'){
$webhook_id = isset($_GET['id']) ? intval($_GET['id']) : false;
if($webhook_id !== false){
if(wplc_webhook_delete_webhook($webhook_id)){
echo "<p class='notice notice-success' style='max-width:300px'>" . __("Webhook deleted", "wplivechat") . "</p>";
} else {
echo "<p class='notice notice-error' style='max-width:300px'>" . __("Webhook could not be delete", "wplivechat") . "</p>";
}
}
}
}
function wplc_webhook_add_webhook(){
global $wpdb;
global $wplc_webhook_table;
if(isset($_POST['add_webhook_event'])){
$event = intval($_POST['add_webhook_event']);
$action_url = esc_attr($_POST['add_webhook_domain']);
$push_to_devices = isset($_POST['add_webhook_push']) && intval($_POST['add_webhook_push']) === 1 ? 1 : 0;
$method = isset($_POST['add_webhook_method']) ? esc_attr($_POST['add_webhook_method']) : "GET" ;
$sql = "INSERT INTO $wplc_webhook_table SET `url` = '".$action_url."', `push_to_devices` = '".$push_to_devices."', `action` = '".$event."', `method` = '".$method."' ";
$wpdb->query($sql);
if ($wpdb->last_error) {
return false;
} else {
return true;
}
} else {
return false;
}
}
function wplc_webhook_edit_webhook(){
global $wpdb;
global $wplc_webhook_table;
$webhook_id = isset($_POST['edit_webhook_id']) ? intval($_POST['edit_webhook_id']) : false;
if(isset($_POST['add_webhook_event']) && $webhook_id !== false){
$event = intval($_POST['add_webhook_event']);
$action_url = esc_attr($_POST['add_webhook_domain']);
$push_to_devices = isset($_POST['add_webhook_push']) && intval($_POST['add_webhook_push']) === 1 ? 1 : 0;
$method = isset($_POST['add_webhook_method']) ? esc_attr($_POST['add_webhook_method']) : "GET" ;
$sql = "UPDATE $wplc_webhook_table SET `url` = '".$action_url."', `push_to_devices` = '".$push_to_devices."', `action` = '".$event."', `method` = '".$method."' WHERE `id` = '" . $webhook_id . "' ";
$wpdb->query($sql);
if ($wpdb->last_error) {
return false;
} else {
return true;
}
} else {
return false;
}
}
function wplc_webhook_delete_webhook($webhook_id = false){
global $wpdb;
global $wplc_webhook_table;
if($webhook_id !== false){
$sql = "DELETE FROM $wplc_webhook_table WHERE `id` = '".$webhook_id."' ";
$wpdb->query($sql);
if ($wpdb->last_error) {
return false;
} else {
return true;
}
} else {
return false;
}
}
/*
* Return all webhooks from database
*/
function wplc_webhooks_get_all_db($where = false){
global $wpdb;
global $wplc_webhook_table;
$where = ($where === false) ? "" : $where;
$sql = "SELECT * FROM $wplc_webhook_table " . $where;
$results = $wpdb->get_results($sql);
if($wpdb->num_rows){
return $results;
} else {
return false;
}
}
/*
* Return specific webhook data
*/
function wplc_webhook_get_data($webhook_id){
$results = wplc_webhooks_get_all_db("WHERE `id` = '". intval($webhook_id) ."'");
if($results !== false){
return $results[0];
} else {
return false;
}
}
/*
* Return all matched webhook
*/
function wplc_webhook_get_matched_hooks($event_code){
$results = wplc_webhooks_get_all_db("WHERE `action` = '". intval($event_code) ."'");
if($results !== false){
return $results;
} else {
return false;
}
}
/*
* Renders webhooks table
*/
function wplc_webhooks_table() {
global $wpdb, $wplc_webhook_table, $wplc_webhook_events;
$webhooks = wplc_webhooks_get_all_db();
$content = "";
if($webhooks !== false){
$content .= "<table id='webhooks' class='wp-list-table wplc_list_table widefat' cellspacing='0' width='100%'>";
$content .= "<thead>";
$content .= "<tr>";
$content .= "<th scope='col' id='event' style='width:30%;'><span>".__("Event","wplivechat")."</span></th>";
$content .= "<th scope='col' id='target' style='width:30%;'><span>".__("Target URL","wplivechat")."</span></th>";
$content .= "<th scope='col' id='push' style='width:10%;'><span>".__("Push Devices","wplivechat")."</span></th>";
$content .= "<th scope='col' id='method' style='width:10%;'><span>".__("Method","wplivechat")."</span></th>";
$content .= "<th scope='col' id='action'><span>".__("Action","wplivechat")."</span></th>";
$content .= "</tr>";
$content .= "</thead>";
$content .= "<tbody>";
foreach ($webhooks as $key => $webhook) {
$content .= "<tr>";
$content .= "<td>". $wplc_webhook_events[$webhook->action] ."</td>";
$content .= "<td>". $webhook->url ."</td>";
$content .= "<td>". (intval($webhook->push_to_devices) === 1 ? "Yes" : "No") ."</td>";
$content .= "<td>". $webhook->method ."</td>";
$content .= "<td>";
$content .= "<a href='?page=wplc-webhooks-page&wplc_action=edit_webhook&id=".$webhook->id."' title='" . __("Edit", "wplivechat") . "' class='button button-secondary'>" . __("Edit", "wplivechat") . "</a> ";
$content .= "<a href='?page=wplc-webhooks-page&wplc_action=delete_webhook&id=".$webhook->id."' title='" . __("Delete", "wplivechat") . "' class='button button-secondary'>" . __("Delete", "wplivechat") . "</a>";
$content .= "</td>";
$content .= "</tr>";
}
$content .= "</tbody>";
$content .= "</table>";
} else {
$content .= "<p class='notice notice-error' style='max-width:300px'>" . __("No Webhooks", "wplivechat") . "</p>";
}
return $content;
}
/*
* Renders webhooks add webhook form
*/
function wplc_webhooks_add_form($force_edit = false, $webhook_id = false) {
$event_value = 0;
$url_value = "";
$push_value = 0;
$method_value = "GET";
if($force_edit && $webhook_id !== false){
$webhook_id = intval($webhook_id);
$webhook_data = wplc_webhook_get_data($webhook_id);
if($webhook_data !== false){
$event_value = $webhook_data->action;
$url_value = $webhook_data->url;
$push_value = $webhook_data->push_to_devices;
$method_value = $webhook_data->method;
}
}
$content = "<form method='POST' action='?page=wplc-webhooks-page'>";
$content .= "<table class='wp-list-table wplc_list_table widefat striped'>";
$content .= "<tr>";
$content .= "<td>" . __("Event", "wplivechat") . "</td>";
$content .= "<td>" . wplc_webhook_render_event_selection_dropdown("add_webhook_event", $event_value, 'width:200px') . "</td>";
$content .= "</tr>";
$content .= "<tr>";
$content .= "<td>" . __("Target URL", "wplivechat") . "</td>";
$content .= "<td><input placeholder='http://example.com/webhook_handler' name='add_webhook_domain' value='".$url_value."' type='text' style='width:200px'> <small>" . __("This field can be left empty if you intend on using only push notifications for online agents", "wplivechat") . "</small></td>";
$content .= "</tr>";
$content .= "<tr>";
$content .= "<td>" . __("Push to Online Agent Devices", "wplivechat") . "</td>";
$content .= "<td>";
$content .= "<select id='add_webhook_push' name='add_webhook_push' style='width:200px' value='".$push_value."'>";
$content .= "<option value='0' ".(intval($push_value) === 0 ? "selected" : "").">" . __("No", "wplivechat") . "</option>";
$content .= "<option value='1' ".(intval($push_value) === 1 ? "selected" : "").">" . __("Yes", "wplivechat") . "</option>";
$content .= "</select>";
$content .= "</td>";
$content .= "</tr>";
$content .= "<tr>";
$content .= "<td>" . __("Method", "wplivechat") . "</td>";
$content .= "<td>";
$content .= "<select id='add_webhook_method' name='add_webhook_method' style='width:200px' value='".$method_value."'>";
$content .= "<option value='GET' ".($method_value === "GET" ? "selected" : "").">" . __("GET", "wplivechat") . "</option>";
$content .= "<option value='POST' ".($method_value === "POST" ? "selected" : "").">" . __("POST", "wplivechat") . "</option>";
$content .= "</select>";
$content .= "</td>";
$content .= "</tr>";
$content .= "<tr>";
$content .= "<td><input type='submit' name='".($force_edit ? "edit_webhook" : "add_webhook")."' value='" . ($force_edit ? __("Save Changes", "wplivechat") : __("Add New", "wplivechat") ) . "' class='button button-primary'></td>";
$content .= "<td>" . ($force_edit ? "<input type='hidden' name='edit_webhook_id' value='" . $webhook_id . "' >" : "") . "</td>";
$content .= "</tr>";
$content .= "</table>";
$content .= "</form>";
return $content;
}
function wplc_webhooks_confirm_delete_prompt(){
$content = "<table class='wp-list-table wplc_list_table widefat striped' style='max-width:350px'>";
$content .= "<tr>";
$content .= "<td><strong>" . __("Are you sure you want to delete this webhook?", "wplivechat") . "</strong></td>";
$content .= "</tr>";
$content .= "<tr>";
$content .= "<td>";
$content .= "<a href='?page=wplc-webhooks-page&wplc_action=delete_webhook_confirmed&id=".$_GET['id']."' title='" . __("Confirm", "wplivechat") . "' class='button button-primary'>" . __("Confirm", "wplivechat") . "</a> ";
$content .= "<a href='?page=wplc-webhooks-page' title='" . __("Cancel", "wplivechat") . "' class='button button-secondary'>" . __("Cancel", "wplivechat") . "</a> ";
$content .= "</td>";
$content .= "</tr>";
$content .= "</table>";
return $content;
}
function wplc_webhook_render_event_selection_dropdown($name, $selected = 0, $styles = ''){
global $wplc_webhook_events;
$content = "<select id='$name' name='$name' style='$styles'>";
foreach ($wplc_webhook_events as $key => $value) {
$content .= "<option value='$key' ".(intval($key) === intval($selected) ? "selected " : "" ).">" . $value . "</option>";
}
$content .= "</select>";
return $content;
}
add_action("wplc_fire_webhook", "wplc_webhook_send", 10, 2);
/*
* Sends the payload to any matched events - Magic
*/
function wplc_webhook_send($event_code, $payload){
global $wplc_webhook_events;
if(isset($event_code) && isset($payload)){
$event_code = intval($event_code);
if(array_key_exists($event_code, $wplc_webhook_events)){
$matches = wplc_webhook_get_matched_hooks(intval($event_code));
if($matches !== false){
//fire off the hooks
$error_found = false;
foreach ($matches as $webhook) {
$target_url = isset($webhook->url) ? $webhook->url : false;
$push = intval($webhook->push_to_devices) === 1 ? true : false;
$method = isset($webhook->method) && $webhook->method === "GET" ? "GET" : "POST";
if(!is_array($payload)){
//Not an array, no worries we will fix that
$payload = array("other" => $payload);
}
$payload = array(
"event" => $wplc_webhook_events[intval($event_code)],
"data" => json_encode($payload),
"time_sent" => time()
);
if($target_url !== false && $target_url !== ""){
$result = "";
if($method === "POST"){
$options = array(
'http' => array(
'header' => "Content-type: application/x-www-form-urlencoded\r\n",
'method' => $method,
'content' => http_build_query($payload)
)
);
$context = @stream_context_create($options);
$result = @file_get_contents($target_url, false, $context);
if(!$result){
//Post failed, we try curly
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_URL => $target_url,
CURLOPT_USERAGENT => 'WPLC Request',
CURLOPT_POST => 1,
CURLOPT_POSTFIELDS => $payload
));
$result = curl_exec($curl);
curl_close($curl);
if(!$result){
//This has failed twice
$error_found = true;
$result = "Failed! No Response.";
}
}
} else {
$get_data = http_build_query($payload);
$result = @file_get_contents($target_url."?".$get_data);
if(!$result){
//Get request failed with get contents - Gooi a curly
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_URL => $target_url."?".$get_data,
CURLOPT_USERAGENT => 'WPLC Request'
));
$result = curl_exec($curl);
curl_close($curl);
if(!$result){
//This has failed twice
$error_found = true;
$result = "Failed! No Response.";
}
}
}
}
if($push){
//Push to online devices...
if(function_exists("wplc_devices_push_notification")){
wplc_devices_push_notification(false, __("Event Triggered", "wplivechat") , $wplc_webhook_events[intval($event_code)], false);
}
}
}
}
}
}
}
add_action("wplc_change_chat_status_hook", "wplc_webhook_status_change_monitor", 10, 2);
/*
* Special delegate function for status changes
*/
function wplc_webhook_status_change_monitor($cid, $status){
switch (intval($status)) {
case 2:
//Chat Request
do_action("wplc_fire_webhook", 4, array("chat_id" => $cid));
break;
case 3:
//Agent Accept
do_action("wplc_fire_webhook", 5, array("chat_id" => $cid));
break;
}
}
add_action("wplc_log_user_on_page_after_hook", "wplc_webhook_new_visitor_monitor", 10, 2);
/*
* Special Delegate function for new visitor (log user on page)
*/
function wplc_webhook_new_visitor_monitor($dbid, $wplc_session_data){
do_action("wplc_fire_webhook", 3, array("chat_id" => $dbid));
}
add_action("wp_login", "wplc_webhook_login_monitor", 10, 2);
/*
* Watches all login activity to track when an agent logs in
*/
function wplc_webhook_login_monitor($user_login, $user){
if( get_user_meta( $user->ID, 'wplc_ma_agent', true ) ){
//Is an agent
do_action("wplc_fire_webhook", 0, array("agent_id" => $user->ID));
}
}
add_action("wplc_hook_admin_settings_save", "wplc_webhook_save_settings_monitor");
/*
* Checks when settings are saved
*/
function wplc_webhook_save_settings_monitor(){
do_action("wplc_fire_webhook", 6, array("user_id" => get_current_user_id()));
}