%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/*
Plugin Name: Intercom
Plugin URI: https://wordpress.org/plugins/intercom
Description: Official <a href="https://www.intercom.io">Intercom</a> support for WordPress.
Author: Intercom
Author URI: https://www.intercom.io
Version: 2.6.5
*/
class IdentityVerificationCalculator
{
private $raw_data = array();
private $secret_key = "";
public function __construct($data, $secret_key)
{
$this->raw_data = $data;
$this->secret_key = $secret_key;
}
public function identityVerificationComponent()
{
$secret_key = $this->getSecretKey();
if (empty($secret_key))
{
return $this->emptyIdentityVerificationHashComponent();
}
if (array_key_exists("user_id", $this->getRawData()))
{
return $this->identityVerificationHashComponent("user_id");
}
if (array_key_exists("email", $this->getRawData()))
{
return $this->identityVerificationHashComponent("email");
}
return $this->emptyIdentityVerificationHashComponent();
}
private function emptyIdentityVerificationHashComponent()
{
return array();
}
private function identityVerificationHashComponent($key)
{
$raw_data = $this->getRawData();
return array("user_hash" => hash_hmac("sha256", $raw_data[$key], $this->getSecretKey()));
}
private function getSecretKey()
{
return $this->secret_key;
}
private function getRawData()
{
return $this->raw_data;
}
}
class IntercomSettingsPage
{
private $settings = array();
private $styles = array();
public function __construct($settings)
{
$this->settings = $settings;
$this->styles = $this->setStyles($settings);
}
public function dismissibleMessage($text)
{
return <<<END
<div id="message" class="updated notice is-dismissible">
<p>$text</p>
<button type="button" class="notice-dismiss"><span class="screen-reader-text">Dismiss this notice.</span></button>
</div>
END;
}
public function getAuthUrl() {
return "https://wordpress_auth.intercom.io/confirm?state=".get_site_url()."::".wp_create_nonce('intercom-oauth');
}
public function htmlUnclosed()
{
$settings = $this->getSettings();
$styles = $this->getStyles();
$app_id = WordPressEscaper::escAttr($settings['app_id']);
$secret = WordPressEscaper::escAttr($settings['secret']);
$auth_url = $this->getAuthUrl();
$dismissable_message = '';
if (isset($_GET['appId'])) {
// Copying app_id from setup guide
$app_id = WordPressEscaper::escAttr($_GET['appId']);
$dismissable_message = $this->dismissibleMessage("We've copied your new Intercom app id below. click to save changes and then close this window to finish signing up for Intercom.");
}
if (isset($_GET['saved'])) {
$dismissable_message = $this->dismissibleMessage("Your app id has been successfully saved. You can now close this window to finish signing up for Intercom.");
}
if (isset($_GET['authenticated'])) {
$dismissable_message = $this->dismissibleMessage('You successfully authenticated with Intercom');
}
return <<<END
<link rel="stylesheet" property='stylesheet' href="https://marketing.intercomassets.com/assets/redesign-ead0ee66f7c89e2930e04ac1b7e423494c29e8e681382f41d0b6b8a98b4591e1.css">
<style>
#wpcontent {
background-color: #ffffff;
}
</style>
<div class="wrap">
$dismissable_message
<section id="main_content" style="padding-top: 70px;">
<div class="container">
<div class="cta">
<div class="sp__2--lg sp__2--xlg"></div>
<div id="oauth_content" style="$styles[app_id_link_style]">
<div class="t__h1 c__red">Get started with Intercom</div>
<div class="cta__desc">
Chat with visitors to your website in real-time, capture them as leads, and convert them to customers. Install Intercom on your WordPress site in a couple of clicks.
</div>
<div id="get_intercom_btn_container" style="position:relative;margin-top:30px;">
<a href="$auth_url">
<img src="https://static.intercomassets.com/assets/oauth/primary-7edb2ebce84c088063f4b86049747c3a.png" srcset="https://static.intercomassets.com/assets/oauth/primary-7edb2ebce84c088063f4b86049747c3a.png 1x, https://static.intercomassets.com/assets/oauth/primary@2x-0d69ca2141dfdfa0535634610be80994.png 2x, https://static.intercomassets.com/assets/oauth/primary@3x-788ed3c44d63a6aec3927285e920f542.png 3x"/>
</a>
</div>
</div>
<div class="t__h1 c__red" style="$styles[app_id_copy_title]">Intercom setup</div>
<div class="t__h1 c__red" style="$styles[app_id_saved_title]">Intercom app ID saved</div>
<div id="app_id_and_secret_content" style="$styles[app_id_row_style]">
<div class="t__h1 c__red" style="$styles[app_id_copy_hidden]">Intercom has been installed</div>
<div class="cta__desc">
<div style="$styles[app_id_copy_hidden]">
Intercom is now set up and ready to go. You can now chat with your existing and potential new customers, send them targeted messages, and get feedback.
<br/>
<br/>
<a class="c__blue" href="https://app.intercom.com/a/apps/$app_id" target="_blank">Click here to access your Intercom Team Inbox.</a>
<br/>
<br/>
Need help? <a class="c__blue" href="https://docs.intercom.io/for-converting-visitors-to-users" target="_blank">Visit our documentation</a> for best practices, tips, and much more.
<br/>
<br/>
</div>
<div>
<div style="font-size:0.87em;$styles[app_id_copy_hidden]">
Learn more about our products : <a class="c__blue" href="https://www.intercom.com/customer-engagement" target="_blank">Messages</a>, <a class="c__blue" href="https://www.intercom.com/customer-support-software/knowledge-base" target="_blank">Articles</a> and <a class="c__blue" href="https://www.intercom.com/customer-support-software/help-desk" target="_blank">Inbox</a>.
</div>
<form method="post" action="" name="update_settings">
<table class="form-table" align="center" style="margin-top: 16px; width: inherit;">
<tbody>
<tr>
<th scope="row" style="text-align: center; vertical-align: middle;"><label for="intercom_app_id">App ID</label></th>
<td>
<input id="intercom_app_id" $styles[app_id_state] name="app_id" type="text" value="$app_id" class="$styles[app_id_class]">
<button type="submit" class="btn btn__primary cta__submit" style="$styles[button_submit_style]">Save</button>
</td>
</tr>
</tbody>
</table>
END;
}
public function htmlClosed()
{
$settings = $this->getSettings();
$styles = $this->getStyles();
$auth_url = $this->getAuthUrl();
$secret = WordPressEscaper::escAttr($settings['secret']);
$app_id = WordPressEscaper::escAttr($settings['app_id']);
$auth_url_identity_verification = "";
if (empty($secret) && !empty($app_id)) {
$auth_url_identity_verification = $auth_url.'&enable_identity_verification=1';
}
return <<<END
</form>
<div style="$styles[app_id_copy_hidden]">
<div style="$styles[app_secret_link_style]">
<a class="c__blue" href="$auth_url_identity_verification">Authenticate with your Intercom application to enable Identity Verification</a>
</div>
<p style="font-size:0.86em">Identity Verification ensures that conversations between you and your users are kept private.<br/>
<br/>
<a class="c__blue" href="https://docs.intercom.com/configure-intercom-for-your-product-or-site/staying-secure/enable-identity-verification-on-your-web-product" target="_blank">Learn more about Identity Verification</a>
</p>
<br/>
<div style="font-size:0.8em">If the Intercom application associated with your Wordpress is incorrect, please <a class="c__blue" href="$auth_url">click here</a> to reconnect with Intercom, to choose a new application.</div>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
</div>
<script src="https://code.jquery.com/jquery-2.2.0.min.js"></script>
END;
}
public function html()
{
return $this->htmlUnclosed() . $this->htmlClosed();
}
public function setStyles($settings) {
$styles = array();
$app_id = WordPressEscaper::escAttr($settings['app_id']);
$secret = WordPressEscaper::escAttr($settings['secret']);
$identity_verification = WordPressEscaper::escAttr($settings['identity_verification']);
// Use Case : Identity Verification enabled : checkbox checked and disabled
if($identity_verification) {
$styles['identity_verification_state'] = 'checked disabled';
} else {
$styles['identity_verification_state'] = '';
}
// Use Case : app_id here but Identity Verification disabled
if (empty($secret) && !empty($app_id)) {
$styles['app_secret_row_style'] = 'display: none;';
$styles['app_secret_link_style'] = '';
} else {
$styles['app_secret_row_style'] = '';
$styles['app_secret_link_style'] = 'display: none;';
}
// Copying appId from Intercom Setup Guide for validation
if (isset($_GET['appId'])) {
$app_id = WordPressEscaper::escAttr($_GET['appId']);
$styles['app_id_state'] = 'readonly';
$styles['app_id_class'] = "cta__email";
$styles['button_submit_style'] = '';
$styles['app_id_copy_hidden'] = 'display: none;';
$styles['app_id_copy_title'] = '';
$styles['identity_verification_state'] = 'disabled'; # Prevent from sending POST data about identity_verification when using app_id form
} else {
$styles['app_id_class'] = "";
$styles['button_submit_style'] = 'display: none;';
$styles['app_id_copy_title'] = 'display: none;';
$styles['app_id_state'] = 'disabled'; # Prevent from sending POST data about app_id when using identity_verification form
$styles['app_id_copy_hidden'] = '';
}
//Use Case App_id successfully copied
if (isset($_GET['saved'])) {
$styles['app_id_copy_hidden'] = 'display: none;';
$styles['app_id_saved_title'] = '';
} else {
$styles['app_id_saved_title'] = 'display: none;';
}
// Display 'connect with intercom' button if no app_id provided (copied from setup guide or from Oauth)
if (empty($app_id)) {
$styles['app_id_row_style'] = 'display: none;';
$styles['app_id_link_style'] = '';
} else {
$styles['app_id_row_style'] = '';
$styles['app_id_link_style'] = 'display: none;';
}
return $styles;
}
private function getSettings()
{
return $this->settings;
}
private function getStyles()
{
return $this->styles;
}
}
class IntercomSnippet
{
private $snippet_settings = "";
public function __construct($snippet_settings)
{
$this->snippet_settings = $snippet_settings;
}
public function html()
{
return $this->shutdown_on_logout() . $this->source();
}
private function shutdown_on_logout()
{
return <<<HTML
<script data-cfasync="false">
document.onreadystatechange = function () {
if (document.readyState == "complete") {
var logout_link = document.querySelectorAll('a[href*="wp-login.php?action=logout"]');
if (logout_link) {
for(var i=0; i < logout_link.length; i++) {
logout_link[i].addEventListener( "click", function() {
Intercom('shutdown');
});
}
}
}
};
</script>
HTML;
}
private function source()
{
$snippet_json = $this->snippet_settings->json();
$app_id = $this->snippet_settings->appId();
return <<<HTML
<script data-cfasync="false">
window.intercomSettings = $snippet_json;
</script>
<script data-cfasync="false">(function(){var w=window;var ic=w.Intercom;if(typeof ic==="function"){ic('reattach_activator');ic('update',w.intercomSettings);}else{var d=document;var i=function(){i.c(arguments);};i.q=[];i.c=function(args){i.q.push(args);};w.Intercom=i;var l=function(){var s=d.createElement('script');s.type='text/javascript';s.async=true;s.src='https://widget.intercom.io/widget/$app_id';var x=d.getElementsByTagName('script')[0];x.parentNode.insertBefore(s, x);};if(document.readyState==='complete'){l();}else if(w.attachEvent){w.attachEvent('onload',l);}else{w.addEventListener('load',l,false);}}})()</script>
HTML;
}
}
class IntercomSnippetSettings
{
private $raw_data = array();
private $secret = NULL;
private $wordpress_user = NULL;
public function __construct($raw_data, $secret = NULL, $wordpress_user = NULL, $constants = array('ICL_LANGUAGE_CODE' => 'language_override'))
{
$this->raw_data = $this->validateRawData($raw_data);
$this->secret = $secret;
$this->wordpress_user = $wordpress_user;
$this->constants = $constants;
}
public function json()
{
return json_encode($this->getRawData());
}
public function appId()
{
$raw_data = $this->getRawData();
return $raw_data["app_id"];
}
private function getRawData()
{
$user = new IntercomUser($this->wordpress_user, $this->raw_data);
$settings = apply_filters("intercom_settings", $user->buildSettings());
$identityVerificationCalculator = new IdentityVerificationCalculator($settings, $this->secret);
$result = array_merge($settings, $identityVerificationCalculator->identityVerificationComponent());
$result = $this->mergeConstants($result);
return $result;
}
private function mergeConstants($settings) {
foreach($this->constants as $key => $value) {
if (defined($key)) {
$const_val = WordPressEscaper::escJS(constant($key));
$settings = array_merge($settings, array($value => $const_val));
}
}
return $settings;
}
private function validateRawData($raw_data)
{
if (!array_key_exists("app_id", $raw_data)) {
throw new Exception("app_id is required");
}
return $raw_data;
}
}
if (getenv('INTERCOM_PLUGIN_TEST') == '1' && !function_exists('apply_filters')) {
function apply_filters($_, $value) {
return $value;
}
}
class WordPressEscaper
{
public static function escAttr($value)
{
if (function_exists('esc_attr')) {
return esc_attr($value);
} else {
if (getenv('INTERCOM_PLUGIN_TEST') == '1') {
return $value;
}
}
}
public static function escJS($value)
{
if (function_exists('esc_js')) {
return esc_js($value);
} else {
if (getenv('INTERCOM_PLUGIN_TEST') == '1') {
return $value;
}
}
}
}
class IntercomUser
{
private $wordpress_user = NULL;
private $settings = array();
public function __construct($wordpress_user, $settings)
{
$this->wordpress_user = $wordpress_user;
$this->settings = $settings;
}
public function buildSettings()
{
if (empty($this->wordpress_user))
{
return $this->settings;
}
if (!empty($this->wordpress_user->user_email))
{
$this->settings["email"] = WordPressEscaper::escJS($this->wordpress_user->user_email);
}
if (!empty($this->wordpress_user->display_name))
{
$this->settings["name"] = WordPressEscaper::escJS($this->wordpress_user->display_name);
}
return $this->settings;
}
}
class Validator
{
private $inputs = array();
private $validation;
public function __construct($inputs, $validation)
{
$this->input = $inputs;
$this->validation = $validation;
}
public function validAppId()
{
return $this->validate($this->input["app_id"]);
}
public function validSecret()
{
return $this->validate($this->input["secret"]);
}
private function validate($x)
{
return call_user_func($this->validation, $x);
}
}
if (getenv('INTERCOM_PLUGIN_TEST') != '1') {
if (!defined('ABSPATH')) exit;
}
function add_intercom_snippet()
{
$options = get_option('intercom');
$snippet_settings = new IntercomSnippetSettings(
array("app_id" => WordPressEscaper::escJS($options['app_id'])),
WordPressEscaper::escJS($options['secret']),
wp_get_current_user()
);
$snippet = new IntercomSnippet($snippet_settings);
echo $snippet->html();
}
function add_intercom_settings_page()
{
add_options_page(
'Intercom Settings',
'Intercom',
'manage_options',
'intercom',
'render_intercom_options_page'
);
}
function render_intercom_options_page()
{
if (!current_user_can('manage_options'))
{
wp_die('You do not have sufficient permissions to access Intercom settings');
}
$options = get_option('intercom');
$settings_page = new IntercomSettingsPage(array("app_id" => $options['app_id'], "secret" => $options['secret']));
echo $settings_page->htmlUnclosed();
wp_nonce_field('intercom-update');
echo $settings_page->htmlClosed();
}
function intercom_settings() {
register_setting('intercom', 'intercom');
if (isset($_GET['state']) && wp_verify_nonce($_GET[ 'state'], 'intercom-oauth') && current_user_can('manage_options') && isset($_GET['app_id']) && isset($_GET['secret']) ) {
$validator = new Validator($_GET, function($x) { return wp_kses(trim($x), array()); });
update_option("intercom", array("app_id" => $validator->validAppId(), "secret" => $validator->validSecret()));
$redirect_to = 'options-general.php?page=intercom&authenticated=1';
wp_safe_redirect(admin_url($redirect_to));
}
if (current_user_can('manage_options') && isset($_POST['app_id']) && isset($_POST[ '_wpnonce']) && wp_verify_nonce($_POST[ '_wpnonce'],'intercom-update')) {
$options = array();
$options["app_id"] = WordPressEscaper::escAttr($_POST['app_id']);
update_option("intercom", $options);
wp_safe_redirect(admin_url('options-general.php?page=intercom&saved=1'));
}
}
if (getenv('INTERCOM_PLUGIN_TEST') != '1') {
add_action('wp_footer', 'add_intercom_snippet');
add_action('admin_menu', 'add_intercom_settings_page');
add_action('network_admin_menu', 'add_intercom_settings_page');
add_action('admin_init', 'intercom_settings');
}
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