init

wp-content/plugins/jetpack/extensions/blocks/subscriber-login/subscriber-login.php

@@ -0,0 +1,155 @@
+<?php
+/**
+ * Subscriber Login Block.
+ *
+ * @since 13.1
+ *
+ * @package automattic/jetpack
+ */
+
+namespace Automattic\Jetpack\Extensions\Subscriber_Login;
+
+use Automattic\Jetpack\Blocks;
+use Automattic\Jetpack\Extensions\Premium_Content\Subscription_Service\Abstract_Token_Subscription_Service;
+use Automattic\Jetpack\Status\Host;
+use Jetpack;
+use Jetpack_Gutenberg;
+use Jetpack_Memberships;
+use Jetpack_Options;
+
+require_once __DIR__ . '/class-jetpack-subscription-site.php';
+
+/**
+ * Registers the block for use in Gutenberg
+ * This is done via an action so that we can disable
+ * registration if we need to.
+ */
+function register_block() {
+	if (
+		! Jetpack::is_module_active( 'subscriptions' ) ||
+		! class_exists( 'Jetpack_Memberships' ) ||
+		! class_exists( 'Automattic\Jetpack\Extensions\Premium_Content\Subscription_Service\Abstract_Token_Subscription_Service' )
+	) {
+		return;
+	}
+
+	Blocks::jetpack_register_block(
+		__DIR__,
+		array( 'render_callback' => __NAMESPACE__ . '\render_block' )
+	);
+
+	add_filter(
+		'jetpack_options_whitelist',
+		function ( $options ) {
+			$options[] = 'jetpack_subscriptions_login_navigation_enabled';
+
+			return $options;
+		}
+	);
+
+	// If called via REST API, we need to register later in the lifecycle
+	if ( ( new Host() )->is_wpcom_platform() && ! jetpack_is_frontend() ) {
+		add_action(
+			'restapi_theme_init',
+			function () {
+				Jetpack_Subscription_Site::init()->handle_subscriber_login_block_placements();
+			}
+		);
+	} else {
+		Jetpack_Subscription_Site::init()->handle_subscriber_login_block_placements();
+	}
+}
+add_action( 'init', __NAMESPACE__ . '\register_block' );
+
+/**
+ * Returns current URL.
+ *
+ * @return string
+ */
+function get_current_url() {
+	if ( ! isset( $_SERVER['HTTP_HOST'] ) || ! isset( $_SERVER['REQUEST_URI'] ) ) {
+		return '';
+	}
+
+	return ( is_ssl() ? 'https://' : 'http://' ) . wp_unslash( $_SERVER['HTTP_HOST'] ) . wp_unslash( $_SERVER['REQUEST_URI'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
+}
+
+/**
+ * Returns subscriber log in URL.
+ *
+ * @param string $redirect Path to redirect to on login.
+ *
+ * @return string
+ */
+function get_subscriber_login_url( $redirect ) {
+	$redirect = ! empty( $redirect ) ? $redirect : get_site_url();
+
+	if ( ( new Host() )->is_wpcom_simple() ) {
+		// On WPCOM we will redirect immediately
+		return wpcom_logmein_redirect_url( $redirect, false, null, 'link', get_current_blog_id() );
+	}
+
+	// On self-hosted we will save and hide the token
+	$redirect_url = get_site_url() . '/wp-json/jetpack/v4/subscribers/auth';
+	$redirect_url = add_query_arg( 'redirect_url', $redirect, $redirect_url );
+
+	return add_query_arg(
+		array(
+			'site_id'      => intval( Jetpack_Options::get_option( 'id' ) ),
+			'redirect_url' => rawurlencode( $redirect_url ),
+		),
+		'https://subscribe.wordpress.com/memberships/jwt/'
+	);
+}
+
+/**
+ * Determines whether the current visitor is a logged in user or a subscriber.
+ *
+ * @return bool
+ */
+function is_subscriber_logged_in() {
+	return is_user_logged_in() || Abstract_Token_Subscription_Service::has_token_from_cookie();
+}
+
+/**
+ * Renders Subscriber Login block.
+ *
+ * @param array $attributes The block attributes.
+ *
+ * @return string
+ */
+function render_block( $attributes ) {
+	Jetpack_Gutenberg::load_assets_as_required( __DIR__ );
+
+	$block_template             = '<div %1$s><a href="%2$s">%3$s</a></div>';
+	$redirect_url               = ! empty( $attributes['redirectToCurrent'] ) ? get_current_url() : get_site_url();
+	$log_in_label               = ! empty( $attributes['logInLabel'] ) ? sanitize_text_field( $attributes['logInLabel'] ) : esc_html__( 'Log in', 'jetpack' );
+	$log_out_label              = ! empty( $attributes['logOutLabel'] ) ? sanitize_text_field( $attributes['logOutLabel'] ) : esc_html__( 'Log out', 'jetpack' );
+	$show_manage_link           = ! empty( $attributes['showManageSubscriptionsLink'] );
+	$manage_subscriptions_label = ! empty( $attributes['manageSubscriptionsLabel'] ) ? sanitize_text_field( $attributes['manageSubscriptionsLabel'] ) : esc_html__( 'Manage subscription', 'jetpack' );
+
+	if ( ! is_subscriber_logged_in() ) {
+		return sprintf(
+			$block_template,
+			get_block_wrapper_attributes(),
+			get_subscriber_login_url( $redirect_url ),
+			$log_in_label
+		);
+	}
+
+	if ( $show_manage_link && Jetpack_Memberships::is_current_user_subscribed() ) {
+		return sprintf(
+			$block_template,
+			get_block_wrapper_attributes(),
+			'https://wordpress.com/read/site/subscription/' . Jetpack_Memberships::get_blog_id(),
+			$manage_subscriptions_label
+		);
+	}
+
+	return sprintf(
+		$block_template,
+		get_block_wrapper_attributes(),
+		wp_logout_url( $redirect_url ),
+		$log_out_label
+	);
+}