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<?php |
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if (!defined('ABSPATH')) exit; |
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|
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class GA_OAuth { |
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const OPTION_CLIENT_ID = Ga_Admin::GA_SHARETHIS_PROPERTY_ID; |
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|
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public function hooks() { |
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add_action( 'admin_post_sharethis_ga_connect', array( $this, 'start_broker_oauth' ) ); |
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add_action( 'admin_post_sharethis_ga_oauth_callback', array( $this, 'handle_broker_oauth_callback' ) ); |
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} |
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|
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public function start_broker_oauth() { |
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if ( ! is_user_logged_in() || ! current_user_can( 'manage_options' ) ) { |
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wp_die( esc_html__( 'Unauthorized request.', 'googleanalytics' ) ); |
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} |
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|
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check_admin_referer( 'sharethis_ga_connect' ); |
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|
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$client_id = get_option( self::OPTION_CLIENT_ID ); |
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|
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if ( ! is_string( $client_id ) || '' === $client_id ) { |
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wp_die( esc_html__( 'Missing ShareThis client ID.', 'googleanalytics' ) ); |
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} |
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|
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$redirect_url = admin_url( 'admin-post.php?action=sharethis_ga_oauth_callback' ); |
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$nonce = wp_generate_password( 32, false, false ); |
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|
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set_transient( |
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'sharethis_ga_oauth_state_' . get_current_user_id(), |
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array( |
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'state' => $nonce, |
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'exp' => time() + 10 * MINUTE_IN_SECONDS, |
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), |
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10 * MINUTE_IN_SECONDS |
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); |
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|
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$broker_url = add_query_arg( |
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array( |
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'client_id' => rawurlencode( $client_id ), |
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'redirect_url' => rawurlencode( $redirect_url ), |
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'state' => rawurlencode( $nonce ), |
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'response_type' => 'code', |
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), |
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trailingslashit( SHARETHIS_GA_BROKER_BASE ). 'authorize' |
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); |
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|
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wp_redirect( $broker_url ); |
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exit; |
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} |
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|
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public function handle_broker_oauth_callback() { |
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if ( ! is_user_logged_in() || ! current_user_can( 'manage_options' ) ) { |
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wp_die( esc_html__( 'Unauthorized request.', 'googleanalytics' ) ); |
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} |
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|
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$code = filter_input( INPUT_GET, 'code', FILTER_UNSAFE_RAW ); |
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$returned_state = filter_input( INPUT_GET, 'state', FILTER_UNSAFE_RAW ); |
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|
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$code = is_string( $code ) ? sanitize_text_field( wp_unslash( $code ) ) : ''; |
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$returned_state = is_string( $returned_state ) ? sanitize_text_field( wp_unslash( $returned_state ) ) : ''; |
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|
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if ( '' === $code || '' === $returned_state ) { |
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wp_die( esc_html__( 'Missing OAuth callback parameters.', 'googleanalytics' ) ); |
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} |
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|
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$stored = get_transient( 'sharethis_ga_oauth_state_' . get_current_user_id() ); |
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|
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if ( ! is_array( $stored ) || empty( $stored['state'] ) || ! hash_equals( $stored['state'], $returned_state ) ) { |
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wp_die( esc_html__( 'Invalid OAuth state.', 'googleanalytics' ) ); |
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} |
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|
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delete_transient( 'sharethis_ga_oauth_state_' . get_current_user_id() ); |
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|
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$client_id = (string) get_option( self::OPTION_CLIENT_ID, '' ); |
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|
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if ( '' === $client_id ) { |
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wp_die( esc_html__( 'Missing installation ID.', 'googleanalytics' ) ); |
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} |
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|
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$callback_url = admin_url( 'admin-post.php?action=sharethis_ga_oauth_callback' ); |
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|
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$response = wp_remote_post( |
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trailingslashit( SHARETHIS_GA_BROKER_BASE ) . 'token', |
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array( |
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'timeout' => 20, |
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'headers' => array( |
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'Content-Type' => 'application/x-www-form-urlencoded', |
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), |
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'body' => array( |
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'grant_type' => 'authorization_code', |
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'code' => $code, |
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'client_id' => $client_id, |
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'redirect_uri' => $callback_url, |
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), |
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) |
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); |
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|
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if ( is_wp_error( $response ) ) { |
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wp_die( esc_html( $response->get_error_message() ) ); |
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} |
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|
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$status_code = wp_remote_retrieve_response_code( $response ); |
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$body = wp_remote_retrieve_body( $response ); |
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$data = json_decode( $body, true ); |
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|
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if ( 200 !== $status_code || ! is_array( $data ) ) { |
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wp_die( esc_html__( 'OAuth redemption failed.', 'googleanalytics' ) ); |
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} |
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|
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if ( ! empty( $data['refresh_token'] ) ) { |
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update_option( |
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'sharethis_ga_refresh_token', |
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sanitize_text_field( (string) $data['refresh_token'] ) |
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); |
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} |
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|
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if ( ! empty( $data['access_token'] ) ) { |
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update_option( |
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'ga4-token', |
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wp_json_encode( |
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array( |
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'access_token' => sanitize_text_field( (string) $data['access_token'] ), |
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'expires_in' => ! empty( $data['expires_in'] ) ? absint( $data['expires_in'] ) : 3600, |
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'created' => time(), |
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'token_type' => 'Bearer', |
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) |
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) |
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); |
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} |
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|
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wp_safe_redirect( |
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admin_url( 'admin.php?page=googleanalytics/settings&ga_connected=1' ) |
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); |
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exit; |
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} |
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|
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/** |
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* Helper for rendering the "Connect" button URL in admin. |
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*/ |
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public function get_connect_url() { |
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return wp_nonce_url( |
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admin_url( 'admin-post.php?action=sharethis_ga_connect' ), |
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'sharethis_ga_connect' |
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); |
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} |
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} |
