0x1998 - MANAGER

Düzenlenen Dosya: Analytics.php

<?php
/**
 * Copyright (с) Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2022 All Rights Reserved
 *
 * Licensed under CLOUD LINUX LICENSE AGREEMENT
 * https://www.cloudlinux.com/legal/
 */

namespace CloudLinux\SmartAdvice\App\Service;

/**
 * Smart Advice analytics service.
 */
class Analytics {

/**
	 * API base URL.
	 */
	const API_BASE_URL = 'https://x-ray-advice.cloudlinux.com/api/analytics/';

/**
	 * API endpoint handling redirects.
	 */
	const ENDPOINT_REDIRECT = 'redirect';

/**
	 * API endpoint logging events.
	 */
	const ENDPOINT_SEND = 'events';

/**
	 * API endpoint for analytics pixel.
	 */
	const ENDPOINT_PIXEL = 'pixel';

/**
	 * Salt used to generate session data.
	 *
	 * @var string
	 */
	private $salt = '';

/**
	 * Environment.
	 *
	 * @var string
	 */
	private $environment;

/**
	 * Server IP.
	 *
	 * @var string
	 */
	private $ip_address = '';

/**
	 * Constructor.
	 *
	 * @param string $environment Environment.
	 */
	public function __construct( $environment ) {
		$this->environment = $environment;
		add_filter( 'cl_smart_advice_socket_data', array( $this, 'extend_socket_data' ), 10, 3 );
		add_action( 'cl_smart_advice_subscription', array( $this, 'subscription' ), 20, 1 );
	}

/**
	 * Appends analytics information to the advice data.
	 *
	 * @param array  $data Data to send to socket.
	 * @param string $method Method name.
	 * @param array  $args Original method arguments.
	 *
	 * @return array
	 */
	public function extend_socket_data( $data, $method, $args ) {
		$data['analytics_data'] = wp_json_encode(
			array_merge(
				$this->get_session_data(),
				array(
					'event' => 'advice_' . $method,
				)
			)
		);

return $data;
	}

/**
	 * Report successful payment.
	 *
	 * @param string $advice_id id.
	 *
	 * @since 0.1-11
	 */
	public function subscription( $advice_id ) {
		// Grab analytics data for the logged in user.
		$session_data = $this->get_session_data();

// Report successful payment.
		$this->send_event(
			wp_get_current_user()->user_email,
			$advice_id,
			'awp_purchase_done',
			$session_data['user_hash'],
			$session_data['journey_id']
		);
	}

/**
	 * Get API URL.
	 *
	 * @return string
	 */
	private function get_api_url() {
		$result = self::API_BASE_URL;

if ( defined( 'CL_ANALYTICS_API_URL' ) ) {
			$result = CL_ANALYTICS_API_URL;
		} elseif ( 'development' === $this->environment ) {
			$result = 'https://x-ray-staging.cloudlinux.com/api/analytics/';
		}

return trailingslashit( $result );
	}

/**
	 * Get endpoint URL.
	 *
	 * @param string $endpoint Endpoint name.
	 *
	 * @return string
	 */
	public function get_endpoint_url( $endpoint ) {
		return $this->get_api_url() . $endpoint;
	}

/**
	 * Get redirect link.
	 *
	 * @param string $email Email address.
	 * @param string $advice_id Advice ID.
	 * @param string $event Event name.
	 * @param string $redirect_url Redirect URL.
	 *
	 * @return string
	 */
	public function get_redirect_link( $email, $advice_id, $event, $redirect_url ) {
		$url_params                 = $this->build_common_event_params( $email, $advice_id, $event, 'mail_client' );
		$url_params['redirect_url'] = $redirect_url;

return $this->get_endpoint_url( self::ENDPOINT_REDIRECT ) . '?' . http_build_query( $url_params );
	}

/**
	 * Sends event to the analytics service.
	 *
	 * @param string $email Email address.
	 * @param string $advice_id Advice ID.
	 * @param string $event Event name.
	 * @param string $user_hash User hash.
	 * @param string $journey_id Journey ID.
	 *
	 * @return array|\WP_Error The response or WP_Error on failure.
	 */
	public function send_event( $email, $advice_id, $event, $user_hash = null, $journey_id = null ) {

$request_data = $this->build_common_event_params( $email, $advice_id, $event, 'wp_smartadvice', $user_hash, $journey_id );

$request_data['src_ip'] = $this->serverIp();

$result = wp_remote_post(
			$this->get_endpoint_url( self::ENDPOINT_SEND ),
			array(
				'headers'     => array( 'Content-Type' => 'application/json; charset=utf-8' ),
				'timeout'     => 2,
				'redirection' => 2,
				'blocking'    => false,
				'sslverify'   => false,
				'body'        => wp_json_encode( $request_data ),
			)
		);

if ( is_wp_error( $result ) ) {
			do_action(
				'cl_smart_advice_set_error',
				E_ERROR,
				'Error sending Analytics event: ' . $result->get_error_message(),
				__FILE__,
				__LINE__,
				array(
					'to'        => $email,
					'advice_id' => $advice_id,
					'event'     => $event,
				)
			);
		}

return $result;
	}

/**
	 * Gets URL of the analytics pixel image.
	 *
	 * @param string $email Email address.
	 * @param string $advice_id Advice ID.
	 * @param string $event Event name.
	 *
	 * @return string
	 */
	public function get_pixel_url( $email, $advice_id, $event ) {
		$url_params = $this->build_common_event_params( $email, $advice_id, $event, 'mail_client' );

return $this->get_endpoint_url( self::ENDPOINT_PIXEL ) . '?' . http_build_query( $url_params );
	}

/**
	 * Get salt.
	 *
	 * @return string
	 */
	public function get_salt() {
		if ( empty( $this->salt ) ) {
			$this->salt = (string) time();
		}

return $this->salt;
	}

/**
	 * Build common event params.
	 *
	 * @param string $email Email address.
	 * @param string $advice_id Advice ID.
	 * @param string $event Event name.
	 * @param string $source Source.
	 * @param string $user_hash User hash.
	 * @param string $journey_id Journey ID.
	 *
	 * @return array
	 */
	private function build_common_event_params( $email, $advice_id, $event, $source, $user_hash = null, $journey_id = null ) {
		$result = array(
			'advice_id' => $advice_id,
			'event'     => $event,
			'source'    => $source,
		);

if ( ! empty( $email ) ) {
			$result['user_hash']  = ( ! empty( $user_hash ) ) ? $user_hash : md5( $email );
			$result['journey_id'] = ( ! empty( $journey_id ) ) ? $journey_id : md5( $this->get_salt() . '|' . $email );
		}

return $result;
	}

/**
	 * Retrieves correct analytics session data.
	 *
	 * Session data is retrieved either from the meta of current user or generated fresh. If there is fresh session info
	 * in the request data, it has been already stored in the user meta during `admin_init` hook.
	 *
	 * @return array Session data.
	 */
	public function get_session_data() {

// Check user meta.
		$meta = get_user_meta( get_current_user_id(), 'clsat_session', true );
		if ( is_array( $meta ) && array_key_exists( 'expires', $meta ) ) {
			if ( $meta['expires'] > time() ) {
				return $this->fill_missing_session_data( $meta['data'] );
			} else {
				delete_user_meta( get_current_user_id(), 'clsat_session' );
			}
		}

// Generate fresh session data.
		$result = array(
			'user_hash'  => md5( wp_get_current_user()->user_email ),
			'journey_id' => md5( $this->get_salt() . '|' . wp_get_current_user()->user_email ),
		);

$this->update_session_data( $result );

return $result;
	}

/**
	 * Retrieves correct analytics session data for js.
	 *
	 * @return array Session data.
	 */
	public function get_js_session_data() {
		$result           = $this->get_session_data();
		$result['src_ip'] = $this->serverIp();

return $result;
	}

/**
	 * Updates analytics session data for the current user.
	 *
	 * @param array $data Session data.
	 *
	 * @return void
	 */
	private function update_session_data( $data ) {
		$meta = array(
			'data'    => $data,
			'expires' => time() + 60 * 60 * 24, // 24 hours
		);

update_user_meta( get_current_user_id(), 'clsat_session', $meta );
	}

/**
	 * Initializes analytics session.
	 *
	 * @param array $params Request parameters, unsanitized.
	 *
	 * @return array
	 */
	public function init_session( $params ) {
		$result = $this->extract_session_params( $params );

if ( ! empty( $result ) ) {
			$this->update_session_data( $result );
		}

return $result;
	}

/**
	 * Extracts analytics session params.
	 *
	 * @param array $params Request parameters, unsanitized.
	 *
	 * @return array
	 */
	public function extract_session_params( $params ) {

$session_param_names = array( 'user_hash', 'journey_id', 'variant_id' );

// Check received params.
		$result = array();
		foreach ( $session_param_names as $param_name ) {
			if ( ! empty( $params[ $param_name ] ) ) {
				$result[ $param_name ] = sanitize_text_field( $params[ $param_name ] );
			}
		}

return $result;
	}

/**
	 * Fills missing mandatory session data.
	 *
	 * @param array $data Session data.
	 *
	 * @return array
	 */
	private function fill_missing_session_data( $data ) {

if ( ! array_key_exists( 'user_hash', $data ) ) {
			$data['user_hash'] = md5( wp_get_current_user()->user_email );
		}

if ( ! array_key_exists( 'journey_id', $data ) ) {
			$data['journey_id'] = md5( $this->get_salt() . '|' . wp_get_current_user()->user_email );
		}

return $data;
	}

/**
	 * Get current user IP Address.
	 *
	 * @return string
	 */
	public function serverIp() {
		if ( ! empty( $this->ip_address ) ) {
			return $this->ip_address;
		}

foreach ( array( 'HTTP_CF_CONNECTING_IP', 'HTTP_X_REAL_IP', 'HTTP_CLIENT_IP', 'SERVER_ADDR' ) as $key ) {
			if ( isset( $_SERVER[ $key ] ) ) {
				$ip_address = filter_var( sanitize_text_field( wp_unslash( $_SERVER[ $key ] ) ), FILTER_VALIDATE_IP );
				if ( is_string( $ip_address ) ) {
					$this->ip_address = $ip_address;

return $this->ip_address;
				}
			}
		}

if ( function_exists( 'gethostbyname' ) && function_exists( 'gethostname' ) ) {
			$hostname = gethostname();
			if ( is_string( $hostname ) ) {
				$ip = gethostbyname( $hostname );
				if ( filter_var( $ip, FILTER_VALIDATE_IP ) ) {
					$this->ip_address = $ip;
				}
			}
		}

return $this->ip_address;
	}
}

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