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wp-freshdesk.php
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<?php
/**
* Plugin Name: WP Freshdesk
* Plugin URI:
* Description: With this plugin, your users will be able to see their tickets on your Freshdesk support portal. Other features include - SSO, ticket filtering, sorting & search options. Admins have an options to display only certain status tickets with shortcodes.
* Version: 1.0.3
* Author: Brainstorm Force
* Author URI: https://www.brainstormforce.com/
* License: GPL version 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/
//Block direct access to plugin files.
defined('ABSPATH') or die();
if (!class_exists("FreshDeskAPI")) {
class FreshDeskAPI
{
//Class Variables
private $freshdeskUrl;
private $opt;
private $options;
private $display_option;
/*
* Function Name: __construct
* Function Description: Constructor
*/
function __construct()
{
add_action('init', array( $this, 'init' ));
add_action('plugins_loaded', array( $this, 'fd_load_textdomain' ));
add_action('wp_enqueue_scripts', array( $this, 'enqueue_scripts' ));
add_shortcode("fd_fetch_tickets", array($this, "fetch_tickets"));
add_shortcode("fd_new_ticket", array($this, "new_ticket"));
include_once('admin-settings.php');
$this->options = get_option('fd_url');
$this->opt = get_option('fd_apikey');
$this->display_option = get_option('fd_display');
if (isset($this->opt['freshdesk_url'])) {
if (preg_match("/^[-A-Za-z\d\s]+$/", $this->opt['freshdesk_url'])) {
$this->freshdeskUrl = 'https://' . $this->opt['freshdesk_url'] . '.freshdesk.com/';
} else {
$this->freshdeskUrl = '';
}
} else {
$this->freshdeskUrl = '';
}
}
/**
* Load plugin textdomain.
*
* @since 1.0.0
*/
function fd_load_textdomain()
{
load_plugin_textdomain('wp-freshdesk', false, plugin_basename(dirname(__FILE__)) . '/languages');
}
/*
* Function Name: enqueue_scripts
* Function Description: Adds scripts to wp pages
*/
function enqueue_scripts()
{
wp_register_style('fd-style', plugins_url('css/fd-style.css', __FILE__));
wp_enqueue_style('fd-style');
wp_register_script('fd-script-frontend', plugins_url('js/fd-script-frontend.js', __FILE__), array('jquery'), '1.1', true);
wp_enqueue_script('fd-script-frontend');
}
/*
* Function Name: init
* Function Description: Initialization
*/
public function init()
{
if (is_user_logged_in()) {
// This is a login request.
if (isset($_REQUEST['action']) && $_REQUEST['action'] == 'fd-remote-login') {
// Don't waste time if remote auth is turned off.
if (!isset($this->options['freshdesk_enable']) && $this->options['freshdesk_enable'] != 'on' && !isset($this->options['freshdesk_sharedkey']) && $this->options['freshdesk_sharedkey'] != '') {
__('Remote authentication is not configured yet.', 'wp-freshdesk');
die();
}
// Filter freshdesk_return_to
$return_to = apply_filters('freshdesk_return_to', $_REQUEST['host_url']) ;
// If the current user is logged in
if (is_user_logged_in()) {
global $current_user;
wp_get_current_user();
// Pick the most appropriate name for the current user.
if ($current_user->user_firstname != '' && $current_user->user_lastname != '') {
$name = $current_user->user_firstname . ' ' . $current_user->user_lastname;
} else {
$name = $current_user->display_name;
}
// Gather more info from the user, incl. external ID
$email = $current_user->user_email;
// The token is the remote "Shared Secret" under Admin - Security - Enable Single Sign On
$token = $this->options['freshdesk_sharedkey'];
// Current timestamp.
$timestamp = time();
// Generate the hash as per http://www.freshdesk.com/api/remote-authentication
$to_be_hashed = $name . $token . $email . $timestamp;
$hash = hash_hmac('md5', $to_be_hashed, $token);
// Create the SSO redirect URL and fire the redirect.
$sso_url = trailingslashit($this->freshdeskUrl) . 'login/sso/?action=fd-remote-login&return_to=' . urlencode('https://' . $return_to . '/') . '&name=' . urlencode($name) . '&email=' . urlencode($email) . '&hash=' . urlencode($hash) . '×tamp=' . $timestamp;
//Hook before redirecting logged in user.
do_action('freshdesk_logged_in_redirect_before');
wp_redirect($sso_url);
// No further output.
die();
} else {
//Hook before redirecting user to login form
do_action('freshdesk_logged_in_redirect_before');
// If the current user is not logged in we ask him to visit the login form
// first, authenticate and specify the current URL again as the return
// to address. Hopefully WordPress will understand this.
wp_redirect(wp_login_url(wp_login_url() . '?action=fd-remote-login&&return_to=' . urlencode($return_to)));
die();
}
}
// Is this a logout request? Errors from Freshdesk are handled here too.
if (isset($_REQUEST['action']) && $_REQUEST['action'] == 'fd-remote-logout') {
// Error processing and info messages are done here.
$kind = isset($_REQUEST['kind']) ? $_REQUEST['kind'] : 'info';
$message = isset($_REQUEST['message']) ? $_REQUEST['message'] : 'nothing';
// Depending on the message kind
if ($kind == 'info') {
// When the kind is an info, it probably means that the logout
// was successful, thus, logout of WordPress too.
wp_redirect(htmlspecialchars_decode(wp_logout_url()));
die();
} elseif ($kind == 'error') {
// If there was an error...
?>
<p><?php __('Remote authentication failed: ', 'wp-freshdesk'); ?><?php echo $message; ?>.</p>
<ul>
<li><a href="<?php echo $this->freshdeskUrl; ?>"><?php __('Try again', 'wp-freshdesk'); ?></a></li>
<li><a href="<?php echo wp_logout_url(); ?>"><?php printf(__('Log out of %s', 'wp-freshdesk'), get_bloginfo('name')); ?></a></li>
<li><a href="<?php echo admin_url(); ?>"><?php printf(__('Return to %s dashboard', 'wp-freshdesk'), get_bloginfo('name')); ?></a></li>
</ul>
<?php
}
// No further output.
die();
}
}
}
/*
* Function Name: fetch_tickets
* Function Description: Fetched all tickets from Freshdesk for current logged in user.
*/
public function fetch_tickets($atts)
{
$result = '
<div class="fd-tickets-outter">
<ul>';
if (is_user_logged_in()) {
global $current_user;
$fd_filter_dropdown = ( isset($_GET["fd-filter_dropdown"]) ) ? esc_attr($_GET["fd-filter_dropdown"]) : '';
if (( isset($this->opt['freshdesk_apikey']) && $this->opt['freshdesk_apikey'] != '' ) || !isset($this->opt['use_apikey'])) {
if (isset($atts['filter']) && trim($atts['filter']) != '') {
switch (trim(ucwords(strtolower($atts['filter'])))) {
case 'Open':
$fd_filter_dropdown = 'Open';
break;
case 'Closed':
$fd_filter_dropdown = 'Closed';
break;
case 'Resolved':
$fd_filter_dropdown = 'Resolved';
break;
case 'Waiting On Third Party':
$fd_filter_dropdown = 'Waiting on Third Party';
break;
case 'Waiting On Customer':
$fd_filter_dropdown = 'Waiting on Customer';
break;
case 'Pending':
$fd_filter_dropdown = 'Pending';
break;
default:
break;
}
}
if (!isset($fd_filter_dropdown) || $fd_filter_dropdown == '') {
$fd_filter_dropdown = 'Open';
}
$tickets = $this->get_tickets($current_user->data->user_email, $current_user->roles);
$filteredTickets = false;
$search_txt = ( isset($_GET['search_txt']) ) ? esc_attr($_GET['search_txt']) : '';
if (isset($tickets)) {
$tickets = json_decode(json_encode($tickets), true);
if (isset($fd_filter_dropdown) && $fd_filter_dropdown != '') {
$filteredTickets = ( $fd_filter_dropdown != 'all_tickets' ) ? $this->filter_tickets($tickets, $fd_filter_dropdown) : $tickets ;
}
if (isset($search_txt) && $search_txt != '') {
$filteredTickets = ( trim($search_txt) != '' ) ? $this->search_tickets($filteredTickets, $search_txt) : $tickets ;
}
} else {
$filteredTickets = false;
}
$result .= '
<li class="fd-filter-tickets">
<form method="get" action="" id="fd-filter_form" name="fd-filter_form">
<div class="fd-filter-dropdown fd-filter">
<select id="fd-filter_dropdown" name="fd-filter_dropdown">
<option value="all_tickets" ';
if (isset($fd_filter_dropdown)) {
$result .= ( $fd_filter_dropdown == "all_tickets" ) ? 'selected="selected"' : '';
}
$result .= '>' . __('All Tickets', 'wp-freshdesk') . '</option>
<option value="Open" ';
if (isset($fd_filter_dropdown)) {
$result .= ( $fd_filter_dropdown == "Open" ) ? 'selected="selected"' : '';
}
$result .= '>' . __('Open', 'wp-freshdesk') . '</option>
<option value="Pending" ';
if (isset($fd_filter_dropdown)) {
$result .= ( $fd_filter_dropdown == "Pending" ) ? 'selected="selected"' : '';
}
$result .= '>' . __('Pending', 'wp-freshdesk') . '</option>
<option value="Resolved" ';
if (isset($fd_filter_dropdown)) {
$result .= ( $fd_filter_dropdown == "Resolved" ) ? 'selected="selected"' : '';
}
$result .= '>' . __('Resolved', 'wp-freshdesk') . '</option>
<option value="Closed" ';
if (isset($fd_filter_dropdown)) {
$result .= ( $fd_filter_dropdown == "Closed" ) ? 'selected="selected"' : '';
}
$result .= '>' . __('Closed', 'wp-freshdesk') . '</option>
<option value="Waiting on Customer" ';
if (isset($fd_filter_dropdown)) {
$result .= ( $fd_filter_dropdown == "Waiting on Customer" ) ? 'selected="selected"' : '';
}
$result .= '>' . __('Waiting on Customer', 'wp-freshdesk') . '</option>
<option value="Waiting on Third Party" ';
if (isset($fd_filter_dropdown)) {
$result .= ( $fd_filter_dropdown == "Waiting on Third Party" ) ? 'selected="selected"' : '';
}
$txt = ( isset($search_txt) ) ? $search_txt : '';
$result .= '>' . __('Waiting on Third Party', 'wp-freshdesk') . '</option>
</select>
</div>
<div class="fd-search-box fd-filter">
<input type="text" value="' . $txt . '" id="search_txt" name="search_txt" placeholder="' . __('Search...', 'wp-freshdesk') . '"/>
</div>
<div class="fd-filter">
<input type="submit" value="Search" id="filter_tickets"/>
</div>
<div class="fd-filter">
<input type="button" value="Reset" id="reset_filter">
</div>
<div class="clear"></div>
</form>
</li>';
if (!isset($tickets->require_login) && $tickets != '' && !isset($tickets->errors) && !empty($tickets)) {
if (isset($search_txt) || isset($fd_filter_dropdown)) {
if (!isset($filteredTickets->require_login) && $filteredTickets != '' && !isset($filteredTickets->errors) && !empty($filteredTickets)) {
$result .= $this->get_html($filteredTickets);
} else {
if (isset($filteredTickets->require_login)) {
$msg = __('Invalid Credentials', 'wp-freshdesk');
} elseif (isset($filteredTickets->errors)) {
if (isset($filteredTickets->errors->no_email)) {
$msg = ( isset($this->display_option['invalid_user_msg']) && $this->display_option['invalid_user_msg'] != '' ) ? $this->display_option['invalid_user_msg'] : __('Invalid User', 'wp-freshdesk');
} else {
$msg = __('Invalid Freshdesk URL', 'wp-freshdesk');
}
} elseif (empty($filteredTickets)) {
$keyword = ( isset($search_txt) && $search_txt != '' ) ? 'keyword <strong>"' . $search_txt . '"</strong>.' : '';
$dropdown = ( isset($fd_filter_dropdown) && $fd_filter_dropdown != '' ) ? 'No tickets for <strong>"' . strtoupper(str_replace('_', ' ', $fd_filter_dropdown)) . '"</strong> category' : '';
$str = $dropdown;
$str .= ( $keyword != '' ) ? ' & ' . $keyword : '';
$msg = '<p> ' . $str . '</p><div class="fd-more-ticket">Could not find what you are searching for? Click <a href="' . $this->freshdeskUrl . 'support/tickets" target="_blank">here</a> to check all your old tickets.</div>';
} else {
$msg = __('Error!', 'wp-freshdesk');
}
$result .= '<li>
<div class="fd-message">' . $msg . '</div>
</li>';
}
} else {
$result .= $this->get_html($tickets);
}
} else {
if (isset($tickets->require_login)) {
$msg = __('Invalid Credentials', 'wp-freshdesk');
} elseif (isset($tickets->errors)) {
if (isset($tickets->errors->no_email)) {
$msg = ( isset($this->display_option['invalid_user_msg']) && $this->display_option['invalid_user_msg'] != '' ) ? $this->display_option['invalid_user_msg'] : __('Invalid User', 'wp-freshdesk');
} else {
$msg = __('Invalid Freshdesk URL', 'wp-freshdesk');
}
} elseif (empty($tickets)) {
$msg = ( isset($this->display_option['no_tickets_msg']) && $this->display_option['no_tickets_msg'] != '' ) ? $this->display_option['no_tickets_msg'] : __('No tickets', 'wp-freshdesk');
} else {
$msg = __('Error!', 'wp-freshdesk');
}
$result .= '<li>
<div class="fd-message">' . $msg . '</div>
</li>';
}
} else {
$result .= '
<li>
<div class="fd-message">Please configure settings for <strong>Freshdesk API</strong> from <a href="' . admin_url('/options-general.php?page=wp-freshdesk') . '" target="_blank">admin panel</a></div>
</li>
';
}
} else {
$result .= '
<li>
<div class="fd-message"><a href="' . wp_login_url() . '" title="Login">Login</a> to view your tickets!</div>
</li>
';
}
$result .=
'</ul>
</div>';
return $result;
}
/*
* Function Name: new_ticket
* Function Description: Create a new ticket button html
*/
function new_ticket()
{
return '<form action="' . $this->freshdeskUrl . 'support/tickets/new/" target="_blank"><input type="submit" value="New Ticket" id="new_ticket"></form>';
}
/*
* Function Name: get_tickets
* Function Description: API call to Freshdesk to get all tickets of the user(email)
*/
public function get_tickets($uemail = '', $roles = array())
{
if (!empty($uemail)) {
$filterName = 'all_tickets';
if (isset($this->opt['use_apikey'])) {
$apikey = ( $this->opt['freshdesk_apikey'] != '' ) ? $this->opt['freshdesk_apikey'] : '';
$password = "";
} else {
$apikey = ( $this->opt['api_username'] != '' ) ? $this->opt['api_username'] : '';
$password = ( $this->opt['api_pwd'] != '' ) ? $this->opt['api_pwd'] : '';
}
$filter = ( !in_array('administrator', $roles) ) ? '&email=' . $uemail : '';
$url = $this->freshdeskUrl . 'helpdesk/tickets.json?filter_name=' . $filterName . $filter;
$auth = base64_encode($apikey . ':' . $password);
$args = array(
'headers' => array(
'Content-Type' => 'application/json',
'Authorization' => "Basic $auth"
),
'body' => array()
);
$response = wp_remote_get($url, $args);
// test for wp errors.
if (is_wp_error($response)) {
return array();
exit;
}
$body = wp_remote_retrieve_body($response);
$tickets = json_decode($body);
return $tickets;
} else {
return false;
}
}
/*
* Function Name: get_html
* Function Description: Returns HTML string of the tickets
*/
public function get_html($tickets = '')
{
global $current_user;
$html = '';
$tickets = json_decode(json_encode($tickets), false);
$append = ( count($tickets) > 1 ) ? 's' : '';
$html .=
'<li>
<div class="fd-message">' . count($tickets) . ' ticket' . $append . ' found (Opened with: ' . $current_user->data->user_email . ')</div>
</li>';
foreach ($tickets as $d) {
$class = ( $d->status_name == "Closed" ) ? 'status-closed' : '';
$diff = ( strtotime(date_i18n('Y-m-d H:i:s')) - strtotime(date_i18n('Y-m-d H:i:s', false, 'gmt')) );
$date = date_i18n('j M\' Y, g:i A', strtotime($d->updated_at) + $diff);
$description = ( strlen($d->description) > 125 ) ? strip_tags(substr($d->description, 0, 125)) . '...' : strip_tags($d->description);
$time_elapsed = $this->timeAgo(date_i18n('Y-m-d H:i:s', strtotime($d->updated_at) + $diff));
$html .= '
<li class="group ' . $class . '">
<a href="' . $this->freshdeskUrl . 'helpdesk/tickets/' . $d->display_id . '" target="_blank">
<span class="ticket-data">
<span class="ticket-title">' . strip_tags($d->subject) . ' <span class="ticket-id">#' . $d->display_id . '</span></span>
<span class="ticket-excerpt">' . $description . '</span>
</span>
<span class="ticket-meta">
<span class="ticket-status ' . $class . '">' . strip_tags($d->status_name) . '</span>
<span class="ticket-time"><abbr title="Last Updated on - ' . $date . '" class="timeago comment-time ticket-updated-at">' . $time_elapsed . '</abbr></span>
</span>
</a>
</li>';
}
return $html;
}
/*
* Function Name: filter_tickets
* Function Description: Filters the tickets according to ticket_status
*/
public function filter_tickets($tickets = '', $status = '')
{
$filtered_tickets = array();
if ($status != 'all_tickets') {
foreach ($tickets as $t) {
if ($t['status_name'] == $status) {
$filtered_tickets[] = $t;
}
}
return $filtered_tickets;
} else {
return $tickets;
}
}
/*
* Function Name: search_tickets
* Function Description: Searches the tickets according to input text
*/
public function search_tickets($tickets, $txt = '')
{
$filtered_tickets = array();
foreach ($tickets as $t) {
if (stristr($t['subject'], trim($txt)) || stristr($t['description'], trim($txt)) || stristr($t['id'], trim($txt))) {
$filtered_tickets[] = $t;
}
}
return $filtered_tickets;
}
/*
* Function Name: timeAgo
* Function Description: returns input php time to "mins/hours/months/weeks/years ago" format.
*/
function timeAgo($time_ago)
{
$time_ago = strtotime($time_ago);
$cur_time = strtotime(date_i18n('Y-m-d H:i:s'));
$time_elapsed = $cur_time - $time_ago;
$seconds = $time_elapsed ;
$minutes = round($time_elapsed / 60);
$hours = round($time_elapsed / 3600);
$days = round($time_elapsed / 86400);
$weeks = round($time_elapsed / 604800);
$months = round($time_elapsed / 2600640);
$years = round($time_elapsed / 31207680);
// Seconds
if ($seconds <= 60) {
return "just now";
}
//Minutes
elseif ($minutes <= 60) {
if ($minutes == 1) {
return "one minute ago";
} else {
return "$minutes minutes ago";
}
}
//Hours
elseif ($hours <= 24) {
if ($hours == 1) {
return "an hour ago";
} else {
return "$hours hrs ago";
}
}
//Days
elseif ($days <= 7) {
if ($days == 1) {
return "yesterday";
} else {
return "$days days ago";
}
}
//Weeks
elseif ($weeks <= 4.3) {
if ($weeks == 1) {
return "a week ago";
} else {
return "$weeks weeks ago";
}
}
//Months
elseif ($months <= 12) {
if ($months == 1) {
return "a month ago";
} else {
return "$months months ago";
}
}
//Years
else {
if ($years == 1) {
return "one year ago";
} else {
return "$years years ago";
}
}
}
}
} //end of class
/* Register the activation function and redirect to Setting page. */
register_activation_hook(__FILE__, 'fd_plugin_activate');
add_action('admin_init', 'fd_plugin_redirect');
/*
* Function Name: fd_plugin_redirect
* Function Description:
*/
function fd_plugin_redirect()
{
if (get_option('fd_do_activation_redirect', false)) {
delete_option('fd_do_activation_redirect');
$activate_multi = isset($_GET['activate-multi']) ? esc_attr($_GET['activate-multi']) : '';
if (!$activate_multi) {
wp_redirect('options-general.php?page=wp-freshdesk');
}
}
}
/*
* Function Name: fd_plugin_activate
* Function Description:
*/
function fd_plugin_activate()
{
add_option('fd_do_activation_redirect', true);
$activate_multi = isset($_GET['activate-multi']) ? esc_attr($_GET['activate-multi']) : '';
if (!$activate_multi) {
wp_redirect('options-general.php?page=wp-freshdesk');
}
}
new FreshDeskAPI();
?>