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<?php
/**
* Client = Plugin
* Client Server = API Methods the Plugin must respond to
*/
class Jetpack_Client_Server {
/**
* Authorizations
*/
function client_authorize() {
$data = stripslashes_deep( $_GET );
$data['auth_type'] = 'client';
$role = Jetpack::translate_current_user_to_role();
$redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
check_admin_referer( "jetpack-authorize_{$role}_{$redirect}" );
$result = $this->authorize( $data );
if ( is_wp_error( $result ) ) {
Jetpack::state( 'error', $result->get_error_code() );
JetpackTracking::record_user_event( 'jpc_client_authorize_fail', array(
'error_code' => $result->get_error_code(),
'error_message' => $result->get_error_message()
) );
} else {
/**
* Fires after the Jetpack client is authorized to communicate with WordPress.com.
*
* @since 4.2.0
*
* @param int Jetpack Blog ID.
*/
do_action( 'jetpack_client_authorized', Jetpack_Options::get_option( 'id' ) );
}
if ( wp_validate_redirect( $redirect ) ) {
// Exit happens below in $this->do_exit()
wp_safe_redirect( $redirect );
} else {
// Exit happens below in $this->do_exit()
wp_safe_redirect( Jetpack::admin_url() );
}
JetpackTracking::record_user_event( 'jpc_client_authorize_success' );
$this->do_exit();
}
function authorize( $data = array() ) {
$redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
$jetpack_unique_connection = Jetpack_Options::get_option( 'unique_connection' );
// Checking if site has been active/connected previously before recording unique connection
if ( ! $jetpack_unique_connection ) {
// jetpack_unique_connection option has never been set
$jetpack_unique_connection = array(
'connected' => 0,
'disconnected' => 0,
'version' => '3.6.1',
);
update_option( 'jetpack_unique_connection', $jetpack_unique_connection );
//track unique connection
$jetpack = $this->get_jetpack();
$jetpack->stat( 'connections', 'unique-connection' );
$jetpack->do_stats( 'server_side' );
}
// increment number of times connected
$jetpack_unique_connection['connected'] += 1;
Jetpack_Options::update_option( 'unique_connection', $jetpack_unique_connection );
$role = Jetpack::translate_current_user_to_role();
if ( ! $role ) {
return new Jetpack_Error( 'no_role', 'Invalid request.', 400 );
}
$cap = Jetpack::translate_role_to_cap( $role );
if ( ! $cap ) {
return new Jetpack_Error( 'no_cap', 'Invalid request.', 400 );
}
if ( ! empty( $data['error'] ) ) {
return new Jetpack_Error( $data['error'], 'Error included in the request.', 400 );
}
if ( ! isset( $data['state'] ) ) {
return new Jetpack_Error( 'no_state', 'Request must include state.', 400 );
}
if ( ! ctype_digit( $data['state'] ) ) {
return new Jetpack_Error( $data['error'], 'State must be an integer.', 400 );
}
$current_user_id = get_current_user_id();
if ( $current_user_id != $data['state'] ) {
return new Jetpack_Error( 'wrong_state', 'State does not match current user.', 400 );
}
if ( empty( $data['code'] ) ) {
return new Jetpack_Error( 'no_code', 'Request must include an authorization code.', 400 );
}
$token = $this->get_token( $data );
if ( is_wp_error( $token ) ) {
$code = $token->get_error_code();
if ( empty( $code ) ) {
$code = 'invalid_token';
}
return new Jetpack_Error( $code, $token->get_error_message(), 400 );
}
if ( ! $token ) {
return new Jetpack_Error( 'no_token', 'Error generating token.', 400 );
}
$is_master_user = ! Jetpack::is_active();
Jetpack::update_user_token( $current_user_id, sprintf( '%s.%d', $token, $current_user_id ), $is_master_user );
if ( ! $is_master_user ) {
Jetpack::state( 'message', 'linked' );
// Don't activate anything since we are just connecting a user.
return 'linked';
}
// If this site has been through the Jetpack Onboarding flow, delete the onboarding token
Jetpack::invalidate_onboarding_token();
// If redirect_uri is SSO, ensure SSO module is enabled
parse_str( parse_url( $data['redirect_uri'], PHP_URL_QUERY ), $redirect_options );
/** This filter is documented in class.jetpack-cli.php */
$jetpack_start_enable_sso = apply_filters( 'jetpack_start_enable_sso', true );
$activate_sso = (
isset( $redirect_options['action'] ) &&
'jetpack-sso' === $redirect_options['action'] &&
$jetpack_start_enable_sso
);
$do_redirect_on_error = ( 'client' === $data['auth_type'] );
Jetpack::handle_post_authorization_actions( $activate_sso, $do_redirect_on_error );
return 'authorized';
}
public static function deactivate_plugin( $probable_file, $probable_title ) {
include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
if ( is_plugin_active( $probable_file ) ) {
deactivate_plugins( $probable_file );
return 1;
} else {
// If the plugin is not in the usual place, try looking through all active plugins.
$active_plugins = Jetpack::get_active_plugins();
foreach ( $active_plugins as $plugin ) {
$data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
if ( $data['Name'] == $probable_title ) {
deactivate_plugins( $plugin );
return 1;
}
}
}
return 0;
}
/**
* @return object|WP_Error
*/
function get_token( $data ) {
$role = Jetpack::translate_current_user_to_role();
if ( ! $role ) {
return new Jetpack_Error( 'role', __( 'An administrator for this blog must set up the Jetpack connection.', 'jetpack' ) );
}
$client_secret = Jetpack_Data::get_access_token();
if ( ! $client_secret ) {
return new Jetpack_Error( 'client_secret', __( 'You need to register your Jetpack before connecting it.', 'jetpack' ) );
}
$redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
$redirect_uri = ( 'calypso' === $data['auth_type'] )
? $data['redirect_uri']
: add_query_arg( array(
'action' => 'authorize',
'_wpnonce' => wp_create_nonce( "jetpack-authorize_{$role}_{$redirect}" ),
'redirect' => $redirect ? urlencode( $redirect ) : false,
), menu_page_url( 'jetpack', false ) );
// inject identity for analytics
$tracks_identity = jetpack_tracks_get_identity( get_current_user_id() );
$body = array(
'client_id' => Jetpack_Options::get_option( 'id' ),
'client_secret' => $client_secret->secret,
'grant_type' => 'authorization_code',
'code' => $data['code'],
'redirect_uri' => $redirect_uri,
'_ui' => $tracks_identity['_ui'],
'_ut' => $tracks_identity['_ut'],
);
$args = array(
'method' => 'POST',
'body' => $body,
'headers' => array(
'Accept' => 'application/json',
),
);
$response = Jetpack_Client::_wp_remote_request( Jetpack::fix_url_for_bad_hosts( Jetpack::api_url( 'token' ) ), $args );
if ( is_wp_error( $response ) ) {
return new Jetpack_Error( 'token_http_request_failed', $response->get_error_message() );
}
$code = wp_remote_retrieve_response_code( $response );
$entity = wp_remote_retrieve_body( $response );
if ( $entity ) {
$json = json_decode( $entity );
} else {
$json = false;
}
if ( 200 != $code || ! empty( $json->error ) ) {
if ( empty( $json->error ) ) {
return new Jetpack_Error( 'unknown', '', $code );
}
$error_description = isset( $json->error_description ) ? sprintf( __( 'Error Details: %s', 'jetpack' ), (string) $json->error_description ) : '';
return new Jetpack_Error( (string) $json->error, $error_description, $code );
}
if ( empty( $json->access_token ) || ! is_scalar( $json->access_token ) ) {
return new Jetpack_Error( 'access_token', '', $code );
}
if ( empty( $json->token_type ) || 'X_JETPACK' != strtoupper( $json->token_type ) ) {
return new Jetpack_Error( 'token_type', '', $code );
}
if ( empty( $json->scope ) ) {
return new Jetpack_Error( 'scope', 'No Scope', $code );
}
@list( $role, $hmac ) = explode( ':', $json->scope );
if ( empty( $role ) || empty( $hmac ) ) {
return new Jetpack_Error( 'scope', 'Malformed Scope', $code );
}
if ( Jetpack::sign_role( $role ) !== $json->scope ) {
return new Jetpack_Error( 'scope', 'Invalid Scope', $code );
}
if ( ! $cap = Jetpack::translate_role_to_cap( $role ) ) {
return new Jetpack_Error( 'scope', 'No Cap', $code );
}
if ( ! current_user_can( $cap ) ) {
return new Jetpack_Error( 'scope', 'current_user_cannot', $code );
}
/**
* Fires after user has successfully received an auth token.
*
* @since 3.9.0
*/
do_action( 'jetpack_user_authorized' );
return (string) $json->access_token;
}
public function get_jetpack() {
return Jetpack::init();
}
public function do_exit() {
exit;
}
}