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0d544
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updraftplus
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central
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modules
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analytics.php
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<?php if (!defined('UPDRAFTCENTRAL_CLIENT_DIR')) die('No access.'); /** * Handles Analytics Commands * * @method array ga_checker() * @method array get_access_token() * @method array set_authorization_code() */ class UpdraftCentral_Analytics_Commands extends UpdraftCentral_Commands { private $scope = 'https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/analytics.readonly'; private $endpoint = 'https://accounts.google.com/o/oauth2/auth'; private $token_info_endpoint = 'https://www.googleapis.com/oauth2/v1/tokeninfo'; private $access_key = 'updraftcentral_auth_server_access'; private $auth_endpoint; private $client_id; private $view_key = 'updraftcentral_analytics_views'; private $tracking_id_key = 'updraftcentral_analytics_tracking_id'; private $expiration; /** * Constructor */ public function __construct() { $this->auth_endpoint = defined('UPDRAFTPLUS_GOOGLECLOUD_CALLBACK_URL') ? UPDRAFTPLUS_GOOGLECLOUD_CALLBACK_URL : 'https://auth.updraftplus.com/auth/googleanalytics'; $this->client_id = defined('UPDRAFTPLUS_GOOGLECLOUD_CLIENT_ID') ? UPDRAFTPLUS_GOOGLECLOUD_CLIENT_ID : '306245874349-6s896c3tjpra26ns3dpplhqcl6rv6qlb.apps.googleusercontent.com'; // Set transient expiration - default for 24 hours $this->expiration = 86400; } /** * Checks whether Google Analytics (GA) is installed or setup * * N.B. This check assumes GA is installed either using "wp_head" or "wp_footer" (e.g. attached * to the <head/> or somewhere before </body>). It does not recursively check all the pages * of the website to find if GA is installed on each or one of those pages, but only on the main/root page. * * @return array $result An array containing "ga_installed" property which returns "true" if GA (Google Analytics) is installed, "false" otherwise. */ public function ga_checker() { try { // Retrieves the tracking code/id if available $tracking_id = $this->get_tracking_id(); $installed = true; // If tracking code/id is currently not available then we // parse the needed information from the buffered content through // the "wp_head" and "wp_footer" hooks. if (false === $tracking_id) { $info = $this->extract_tracking_id(); $installed = $info['installed']; $tracking_id = $info['tracking_id']; } // Get access token to be use to generate the report. $access_token = $this->_get_token(); if (empty($access_token)) { // If we don't get a valid access token then that would mean // the access has been revoked by the user or UpdraftCentral was not authorized yet // to access the user's analytics data, thus, we're clearing // any previously stored user access so we're doing some housekeeping here. $this->clear_user_access(); } // Wrap and combined information for the requesting // client's consumption $result = array( 'ga_installed' => $installed, 'tracking_id' => $tracking_id, 'client_id' => $this->client_id, 'redirect_uri' => $this->auth_endpoint, 'scope' => $this->scope, 'access_token' => $access_token, 'endpoint' => $this->endpoint ); } catch (Exception $e) { $result = array('error' => true, 'message' => 'generic_response_error', 'values' => array($e->getMessage())); } return $this->_response($result); } /** * Extracts Google Tracking ID from contents rendered through the "wp_head" and "wp_footer" action hooks * * @internal * @return array $result An array containing the result of the extraction. */ private function extract_tracking_id() { // Define result array $result = array(); // Retrieve header content ob_start(); do_action('wp_head'); $header_content = ob_get_clean(); // Extract analytics information if available. $output = $this->parse_content($header_content); $result['installed'] = $output['installed']; $result['tracking_id'] = $output['tracking_id']; // If it was not found, then now try the footer if (empty($result['tracking_id'])) { // Retrieve footer content ob_start(); do_action('wp_footer'); $footer_content = ob_get_clean(); $output = $this->parse_content($footer_content); $result['installed'] = $output['installed']; $result['tracking_id'] = $output['tracking_id']; } if (!empty($result['tracking_id'])) { set_transient($this->tracking_id_key, $result['tracking_id'], $this->expiration); } return $result; } /** * Gets access token * * Validates whether the system currently have a valid token to use when connecting to Google Analytics API. * If not, then it will send a token request based on the authorization code we stored during the * authorization phase. Otherwise, it will return an empty token. * * @return array $result An array containing the Google Analytics API access token. */ public function get_access_token() { try { // Loads or request a valid token to use $access_token = $this->_get_token(); if (!empty($access_token)) { $result = array('access_token' => $access_token); } else { $result = array('error' => true, 'message' => 'ga_token_retrieval_failed', 'values' => array()); } } catch (Exception $e) { $result = array('error' => true, 'message' => 'generic_response_error', 'values' => array($e->getMessage())); } return $this->_response($result); } /** * Clears any previously stored user access * * @return bool */ public function clear_user_access() { return delete_option($this->access_key); } /** * Saves user is and access token received from the auth server * * @param array $query Parameter array containing the user id and access token from the auth server. * @return array $result An array containing a "success" or "failure" message as a result of the current process. */ public function save_user_access($query) { try { $token = get_option($this->access_key, false); $result = array(); if (false === $token) { $token = array( 'user_id' => base64_decode(urldecode($query['user_id'])), 'access_token' => base64_decode(urldecode($query['access_token'])) ); if (false !== update_option($this->access_key, $token)) { $result = array('error' => false, 'message' => 'ga_access_saved', 'values' => array()); } else { $result = array('error' => true, 'message' => 'ga_access_saving_failed', 'values' => array($query['access_token'])); } } } catch (Exception $e) { $result = array('error' => true, 'message' => 'generic_response_error', 'values' => array($e->getMessage())); } return $this->_response($result); } /** * Saves the tracking code/id manually (user input) * * @param array $query Parameter array containing the tracking code/id to save. * @return array $result An array containing the result of the process. */ public function save_tracking_id($query) { try { $tracking_id = $query['tracking_id']; $saved = false; if (!empty($tracking_id)) { $saved = set_transient($this->tracking_id_key, $tracking_id, $this->expiration); } $result = array('saved' => $saved); } catch (Exception $e) { $result = array('error' => true, 'message' => 'generic_response_error', 'values' => array($e->getMessage())); } return $this->_response($result); } /** * Retrieves any available access token either previously saved info or * from a new request from the Google Server. * * @internal * @return string $authorization_code */ private function _get_token() { // Retrieves the tracking code/id if available $tracking_id = $this->get_tracking_id(); $access_token = ''; $token = get_option($this->access_key, false); if (false !== $token) { $access_token = isset($token['access_token']) ? $token['access_token'] : ''; $user_id = isset($token['user_id']) ? $token['user_id'] : ''; if ((!empty($access_token) && !$this->_token_valid($access_token)) || (!empty($user_id) && empty($access_token) && !empty($tracking_id))) { if (!empty($user_id)) { $args = array( 'headers' => apply_filters('updraftplus_auth_headers', array()) ); $response = wp_remote_get($this->auth_endpoint.'?user_id='.$user_id.'&code=ud_googleanalytics_code', $args); if (is_wp_error($response)) { throw new Exception($response->get_error_message()); } else { if (is_array($response)) { $body = json_decode($response['body'], true); $token_response = array(); if (is_array($body) && !isset($body['error'])) { $token_response = json_decode(base64_decode($body[0]), true); } if (is_array($token_response) && isset($token_response['access_token'])) { $access_token = $token_response['access_token']; } else { // If we don't get any valid response then that would mean that the // permission was already revoked. Thus, we need to re-authorize the // user before using the analytics feature once again. $access_token = ''; } $token['access_token'] = $access_token; update_option($this->access_key, $token); } } } } } return $access_token; } /** * Verifies whether the access token is still valid for use * * @internal * @param string $token The access token to be check and validated * @return bool * @throws Exception If an error has occurred while connecting to the Google Server. */ private function _token_valid($token) { $response = wp_remote_get($this->token_info_endpoint.'?access_token='.$token); if (is_wp_error($response)) { throw new Exception($response->get_error_message()); } else { if (is_array($response)) { $response = json_decode($response['body'], true); if (!empty($response)) { if (!isset($response['error']) && !isset($response['error_description'])) { return true; } } } } return false; } /** * Parses and extracts the google analytics information (NEEDED) * * @internal * @param string $content The content to parse * @return array An array containing the status of the process along with the tracking code/id */ private function parse_content($content) { $installed = false; $gtm_installed = false; $tracking_id = ''; $script_file_found = false; $tracking_id_found = false; // Pull google analytics script file(s) preg_match_all('/<script\b[^>]*>([\s\S]*?)<\/script>/i', $content, $scripts); for ($i=0; $i < count($scripts[0]); $i++) { // Check for Google Analytics file if (stristr($scripts[0][$i], 'ga.js') || stristr($scripts[0][$i], 'analytics.js')) { $script_file_found = true; } // Check for Google Tag Manager file // N.B. We are not checking for GTM but this check will be useful when // showing the notice to the user if we haven't found Google Analytics // directly being installed on the page. if (stristr($scripts[0][$i], 'gtm.js')) { $gtm_installed = true; } } // Pull tracking code preg_match_all('/UA-[0-9]{5,}-[0-9]{1,}/i', $content, $codes); if (count($codes) > 0) { if (!empty($codes[0])) { $tracking_id_found = true; $tracking_id = $codes[0][0]; } } // If we found both the script and the tracking code then it is safe // to say that Google Analytics (GA) is installed. Thus, we're returning // "true" as a response. if ($script_file_found && $tracking_id_found) { $installed = true; } // Return result of process. return array( 'installed' => $installed, 'gtm_installed' => $gtm_installed, 'tracking_id' => $tracking_id ); } /** * Retrieves the "analytics_tracking_id" transient * * @internal * @return mixed Returns the value of the saved transient. Returns "false" if the transient does not exist. */ private function get_tracking_id() { return get_transient($this->tracking_id_key); } /** * Returns the current tracking id * * @return array $result An array containing the Google Tracking ID. */ public function get_current_tracking_id() { try { // Get current site transient stored for this key $tracking_id = get_transient($this->tracking_id_key); // Checks whether we have a valid token $access_token = $this->_get_token(); if (empty($access_token)) { $tracking_id = ''; } if (false === $tracking_id) { $result = $this->extract_tracking_id(); } else { $result = array( 'installed' => true, 'tracking_id' => $tracking_id ); } } catch (Exception $e) { $result = array('error' => true, 'message' => 'generic_response_error', 'values' => array($e->getMessage())); } return $this->_response($result); } /** * Clears user access from database * * @return array $result An array containing the "Remove" confirmation whether the action succeeded or not. */ public function remove_user_access() { try { // Clear user access $is_cleared = $this->clear_user_access(); if (false !== $is_cleared) { $result = array('removed' => true); } else { $result = array('error' => true, 'message' => 'user_access_remove_failed', 'values' => array()); } } catch (Exception $e) { $result = array('error' => true, 'message' => 'generic_response_error', 'values' => array($e->getMessage())); } return $this->_response($result); } }
/home/sudancam/public_html/0d544/../../.trash/updraftplus/vendor/../central/modules/analytics.php