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<?php
/**
* Determine access to premium content.
*
* @package Automattic\Jetpack\Extensions\Premium_Content
*/
namespace Automattic\Jetpack\Extensions\Premium_Content;
use Automattic\Jetpack\Extensions\Premium_Content\Subscription_Service\Abstract_Token_Subscription_Service;
use Automattic\Jetpack\Extensions\Premium_Content\Subscription_Service\WPCOM_Online_Subscription_Service;
use Automattic\Jetpack\Status\Host;
require_once __DIR__ . '/subscription-service/include.php';
/**
* Determines if the memberships module is set up.
*
* @return bool Whether the memberships module is set up.
*/
function membership_checks() {
// If Jetpack is not yet configured, don't show anything ...
if ( ! class_exists( '\Jetpack_Memberships' ) ) {
return false;
}
// if stripe not connected don't show anything...
if ( ! \Jetpack_Memberships::has_connected_account() ) {
return false;
}
return true;
}
/**
* Determines if the site has a plan that supports the
* Premium Content block.
*
* @return bool
*/
function required_plan_checks() {
$availability = \Jetpack_Gutenberg::get_cached_availability();
$slug = 'premium-content/container';
return ( isset( $availability[ $slug ] ) && $availability[ $slug ]['available'] );
}
/**
* Determines if the block should be rendered. Returns true
* if the block passes all required checks, or if the user is
* an editor.
*
* @return bool Whether the block should be rendered.
*/
function pre_render_checks() {
return ( current_user_can_edit() || membership_checks() );
}
/**
* Determines whether the current user can edit.
*
* @return bool Whether the user can edit.
*/
function current_user_can_edit() {
$user = wp_get_current_user();
return 0 !== $user->ID && current_user_can( 'edit_post', get_the_ID() );
}
/**
* Determines if the current user can view the protected content of the given block.
*
* @param array $attributes Block attributes.
* @param object $block Block to check.
*
* @return bool Whether the use can view the content.
*/
function current_visitor_can_access( $attributes, $block ) {
/**
* If the current WordPress install has as signed in user
* they can see the content.
*/
if ( current_user_can_edit() ) {
return true;
}
$selected_plan_ids = array();
if ( isset( $attributes['selectedPlanIds'] ) ) {
$selected_plan_ids = $attributes['selectedPlanIds'];
} elseif ( isset( $attributes['selectedPlanId'] ) ) {
$selected_plan_ids = array( $attributes['selectedPlanId'] );
}
if ( isset( $block ) && ! empty( $block->context['premium-content/planId'] ) ) {
$selected_plan_ids = array( $block->context['premium-content/planId'] );
} elseif ( isset( $block ) && ! empty( $block->context['premium-content/planIds'] ) ) {
$selected_plan_ids = $block->context['premium-content/planIds'];
}
if ( empty( $selected_plan_ids ) ) {
return false;
}
$can_view = false;
$paywall = subscription_service();
$access_level = Abstract_Token_Subscription_Service::POST_ACCESS_LEVEL_PAID_SUBSCRIBERS; // Only paid subscribers should be granted access to the premium content
$tier_ids = \Jetpack_Memberships::get_all_newsletter_plan_ids();
$tier_ids = array_intersect( $tier_ids, $selected_plan_ids );
if ( ! empty( $tier_ids ) ) {
// If the selected plan is a tier, we want to check directly if user has a higher "tier".
// This is to prevent situation where the user upgrades and lose access to premium-gated content
$subscriptions = array();
if ( ( new Host() )->is_wpcom_simple() && is_user_logged_in() ) {
$user_id = wp_get_current_user()->ID;
/**
* Filter the subscriptions attached to a specific user on a given site.
*
* @since 9.4.0
*
* @param array $subscriptions Array of subscriptions.
* @param int $user_id The user's ID.
* @param int $site_id ID of the current site.
*/
$subscriptions = apply_filters( 'earn_get_user_subscriptions_for_site_id', array(), $user_id, get_current_blog_id() );
// format the subscriptions so that they can be validated.
$subscriptions = WPCOM_Online_Subscription_Service::abbreviate_subscriptions( $subscriptions );
} else {
$token = $paywall->get_and_set_token_from_request();
$payload = $paywall->decode_token( $token );
$is_valid_token = ! empty( $payload );
if ( $is_valid_token ) {
$subscriptions = (array) $payload['subscriptions'];
}
}
foreach ( $tier_ids as $tier_id ) {
$can_view = ! $paywall->maybe_gate_access_for_user_if_tier( $tier_id, $subscriptions );
if ( $can_view ) {
break;
}
}
}
$non_tier_ids = array_diff( $selected_plan_ids, $tier_ids );
if ( ! $can_view ) {
// For selected plans that are not tiers, we want to check if the user has any of the selected plans.
$can_view = $paywall->visitor_can_view_content( $non_tier_ids, $access_level );
}
if ( $can_view ) {
/**
* Fires when a visitor can view protected content on a site.
*
* @since 9.4.0
*/
do_action( 'jetpack_earn_remove_cache_headers' );
}
return $can_view;
}