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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
Cokiee Shell
| Current Path : /var/www/web28/html/wp-content/plugins/matomo/classes/WpMatomo/ |
| Current File : //var/www/web28/html/wp-content/plugins/matomo/classes/WpMatomo/TrackingCode.php |
<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
* @package matomo
*/
namespace WpMatomo;
if ( ! defined( 'ABSPATH' ) ) {
exit; // if accessed directly
}
use WpMatomo\TrackingCode\GeneratorOptions;
use WpMatomo\TrackingCode\TrackingCodeGenerator;
use WpMatomo\Settings;
class TrackingCode {
/**
* @var Settings
*/
private $settings;
/**
* @var Logger
*/
private $logger;
/**
* @var TrackingCodeGenerator
*/
private $generator;
/**
* @param Settings $settings
*/
public function __construct( $settings ) {
$this->settings = $settings;
$this->logger = new Logger();
$this->generator = new TrackingCodeGenerator( $this->settings, new GeneratorOptions( $this->settings ) );
$this->generator->register_hooks();
}
public function register_hooks() {
if ( $this->settings->is_tracking_enabled() ) {
if ( $this->settings->is_track_feed() ) {
add_filter( 'the_excerpt_rss', [ $this, 'add_feed_tracking' ] );
add_filter( 'the_content', [ $this, 'add_feed_tracking' ] );
}
if ( $this->settings->is_add_feed_campaign() ) {
add_filter( 'post_link', [ $this, 'add_feed_campaign' ] );
}
if ( $this->settings->is_cross_domain_linking_enabled() ) {
add_filter( 'wp_redirect', [ $this, 'forward_cross_domain_visitor_id' ] );
}
$is_admin = is_admin() || ! empty( $GLOBALS['MATOMO_LOADED_DIRECTLY'] );
if ( ! $is_admin || $this->settings->is_admin_tracking_enabled() ) {
$prefix = 'wp';
if ( $is_admin ) {
$prefix = 'admin';
}
$position = $prefix . '_head';
if ( $this->settings->get_tracking_code_position() === 'footer' ) {
$position = $prefix . '_footer';
}
add_action( $position, [ $this, 'add_javascript_code' ] );
if ( $this->settings->is_add_no_script_code() ) {
add_action( $prefix . '_footer', [ $this, 'add_noscript_code' ] );
}
}
}
}
/**
* Check if user should not be tracked
*
* @return boolean Do not track user?
*/
public function is_hidden_user() {
if ( is_multisite() && is_super_admin() ) {
// by pass the hook in the WP_User::has_cap method which bypass the capabilities management
$stealth = $this->settings->get_global_option( Settings::OPTION_KEY_STEALTH );
return ( ! empty( $stealth['administrator'] ) );
}
return current_user_can( Capabilities::KEY_STEALTH );
}
/**
* Echo javascript tracking code
*/
public function add_javascript_code() {
if ( $this->is_hidden_user() ) {
$this->logger->log( 'Do not add tracking code to site (user should not be tracked) Blog ID: ' . get_current_blog_id(), Logger::LEVEL_DEBUG );
return;
}
$tracking_code = $this->generator->get_tracking_code();
$this->logger->log( 'Add tracking code. Blog ID: ' . get_current_blog_id(), Logger::LEVEL_DEBUG );
if ( $this->settings->is_network_enabled()
&& 'manually' === $this->settings->get_global_option( 'track_mode' ) ) {
$site = new Site();
$site_id = $site->get_current_matomo_site_id();
if ( $site_id ) {
$tracking_code = str_replace( '{MATOMO_API_ENDPOINT}', wp_json_encode( $this->generator->get_tracker_endpoint() ), $tracking_code );
$tracking_code = str_replace( '{MATOMO_JS_ENDPOINT}', wp_json_encode( $this->generator->get_js_endpoint() ), $tracking_code );
// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
echo str_replace( '{MATOMO_IDSITE}', $site_id, $tracking_code );
} else {
echo '<!-- Site not yet synced with Matomo, tracking code will be added later -->';
}
} else {
// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
echo $tracking_code;
}
}
/**
* Echo noscript tracking code
*/
public function add_noscript_code() {
if ( $this->is_hidden_user() ) {
$this->logger->log( 'Do not add noscript code to site (user should not be tracked) Blog ID: ' . get_current_blog_id(), Logger::LEVEL_DEBUG );
return;
}
$code = $this->generator->get_noscript_code();
if ( ! empty( $code ) ) {
$this->logger->log( 'Add noscript code. Blog ID: ' . get_current_blog_id(), Logger::LEVEL_DEBUG );
$contains_noscript_tag = stripos( $code, '<noscript' ) !== false;
if ( ! $contains_noscript_tag ) {
echo '<noscript>';
}
// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
echo $code;
if ( ! $contains_noscript_tag ) {
echo '</noscript>';
}
echo "\n";
} else {
$this->logger->log( 'No noscript code present. Blog ID: ' . get_current_blog_id(), Logger::LEVEL_DEBUG );
}
}
/**
* Add a campaign parameter to feed permalink
*
* @param string $permalink
* permalink
*
* @return string permalink extended by campaign parameter
*/
public function add_feed_campaign( $permalink ) {
global $post;
if ( is_feed() && ! empty( $post ) ) {
$this->logger->log( 'Add campaign to feed permalink.' );
$sep = ( strpos( $permalink, '?' ) === false ? '?' : '&' );
$permalink .= $sep . 'pk_campaign=' . rawurlencode( $this->settings->get_global_option( 'track_feed_campaign' ) ) . '&pk_kwd=' . rawurlencode( $post->post_name );
}
return $permalink;
}
/**
* Add tracking pixels to feed content
*
* @param string $content
* post content
*
* @return string post content extended by tracking pixel
*/
public function add_feed_tracking( $content ) {
global $post;
if ( is_feed() ) {
$this->logger->log( 'Add tracking image to feed entry.' );
$site = new Site();
$site_id = $site->get_current_matomo_site_id();
if ( ! $site_id ) {
return false;
}
$title = the_title( null, null, false );
$posturl = get_permalink( $post->ID );
$urlref = get_bloginfo( 'rss2_url' );
$tracker_endpoint = $this->generator->get_tracker_endpoint();
$tracking_image = $tracker_endpoint . '?idsite=' . $site_id . '&rec=1&url=' . rawurlencode( $posturl ) . '&action_name=' . rawurlencode( $title ) . '&urlref=' . rawurlencode( $urlref );
$content .= '<img src="' . $tracking_image . '" style="border:0;width:0;height:0" width="0" height="0" alt="" />';
}
return $content;
}
/**
* Forwards the cross domain parameter pk_vid if the URL parameter is set and a user is about to be redirected.
* When another website links to WooCommerce with a pk_vid parameter, and WooCommerce redirects the user to another
* URL, the pk_vid parameter would get lost and the visitorId would later not be applied by the tracking code
* due to the lost pk_vid URL parameter. If the URL parameter is set, we make sure to forward this parameter.
*
* @param string $location
*
* @return string location extended by pk_vid URL parameter if the URL parameter is set
*/
public function forward_cross_domain_visitor_id( $location ) {
if ( ! empty( $_GET['pk_vid'] ) ) {
$pk_vid = sanitize_text_field( wp_unslash( $_GET['pk_vid'] ) );
if ( preg_match( '/^[a-zA-Z0-9]{24,60}$/', $pk_vid ) ) {
// currently, the pk_vid parameter is 32 characters long, but it may vary over time.
$location = add_query_arg( 'pk_vid', $pk_vid, $location );
}
}
return $location;
}
}
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