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| 1 | <?php |
| 2 | /** |
| 3 | * Podcast product-access gate. |
| 4 | * |
| 5 | * @package automattic/jetpack-podcast |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Podcast; |
| 9 | |
| 10 | use Automattic\Jetpack\Connection\Client; |
| 11 | use Automattic\Jetpack\Current_Plan; |
| 12 | use Automattic\Jetpack\Status\Host; |
| 13 | use Jetpack_Options; |
| 14 | |
| 15 | /** |
| 16 | * Premium podcast feature gate. |
| 17 | * |
| 18 | * Resolves the paid surfaces (episode dashboard, stats, episode block) two |
| 19 | * ways depending on the host: |
| 20 | * |
| 21 | * - WordPress.com (Simple/WoA): the `podcasting` plan feature via |
| 22 | * `Current_Plan::supports`, plus the launch-day grandfather rule. Reads |
| 23 | * request-scoped state, so callers gating a different blog must |
| 24 | * `switch_to_blog` first. |
| 25 | * - Self-hosted Jetpack: the site's purchased plan over the Jetpack |
| 26 | * connection. Per PODS-123, the Growth (and Complete) plans unlock the paid |
| 27 | * surfaces; everything else is feed-only. |
| 28 | */ |
| 29 | class Podcast_Gate { |
| 30 | |
| 31 | const FEATURE_SLUG = 'podcasting'; |
| 32 | |
| 33 | /** |
| 34 | * Launch-day cutoff for the paying-blog grandfather rule. Paid blogs |
| 35 | * registered before this date keep Premium podcast features without |
| 36 | * needing the `podcasting` plan feature. WordPress.com only. |
| 37 | */ |
| 38 | const GRANDFATHER_CUTOFF_DATE = '2026-05-18'; |
| 39 | |
| 40 | /** |
| 41 | * Transient holding the cached `/upgrades` response. Short-lived (30s, set |
| 42 | * below): mainly dedupes the lookup across a single page load. A buyer |
| 43 | * returning from checkout busts it outright via `flush_purchases_cache()`, |
| 44 | * so the TTL only bounds the unlikely case where that signal is missed. |
| 45 | */ |
| 46 | const PURCHASES_TRANSIENT = 'jetpack_podcast_site_purchases'; |
| 47 | |
| 48 | /** |
| 49 | * Request-scoped memo of the purchases lookup (including failures, so a |
| 50 | * failed fetch isn't retried mid-request). Null until first resolved. |
| 51 | * |
| 52 | * @var array|null |
| 53 | */ |
| 54 | private static $purchases_cache = null; |
| 55 | |
| 56 | /** |
| 57 | * Whether the current site can use the paid podcast surfaces. |
| 58 | * |
| 59 | * @return bool |
| 60 | */ |
| 61 | public static function has_product_access(): bool { |
| 62 | if ( ! ( new Host() )->is_wpcom_platform() ) { |
| 63 | return self::self_hosted_has_paid_plan(); |
| 64 | } |
| 65 | |
| 66 | $blog_id = get_current_blog_id(); |
| 67 | if ( $blog_id <= 0 ) { |
| 68 | return false; |
| 69 | } |
| 70 | |
| 71 | if ( self::is_grandfathered( $blog_id ) ) { |
| 72 | return true; |
| 73 | } |
| 74 | |
| 75 | return (bool) Current_Plan::supports( self::FEATURE_SLUG ); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Drop the cached purchases lookup so the next access check re-reads |
| 80 | * `/upgrades`. Called when a buyer returns from checkout so a fresh plan |
| 81 | * unlocks the paid surfaces immediately rather than after the TTL. |
| 82 | */ |
| 83 | public static function flush_purchases_cache(): void { |
| 84 | delete_transient( self::PURCHASES_TRANSIENT ); |
| 85 | self::$purchases_cache = null; |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Whether a self-hosted Jetpack site owns a Growth (or Complete) plan. |
| 90 | * |
| 91 | * Mirrors the bundle-detection pattern used by My Jetpack's Growth/Security |
| 92 | * products: match purchased product slugs rather than the `podcasting` |
| 93 | * feature, which maps to all Jetpack sites on WordPress.com and so can't |
| 94 | * distinguish free from paid here. |
| 95 | */ |
| 96 | private static function self_hosted_has_paid_plan(): bool { |
| 97 | foreach ( self::get_site_current_purchases() as $purchase ) { |
| 98 | $slug = is_array( $purchase ) && isset( $purchase['product_slug'] ) ? $purchase['product_slug'] : ''; |
| 99 | |
| 100 | // Growth and Complete bundles unlock the paid surfaces; matched as |
| 101 | // prefixes so every billing term/tier counts. |
| 102 | foreach ( array( 'jetpack_growth', 'jetpack_complete' ) as $prefix ) { |
| 103 | if ( is_string( $slug ) && 0 === strpos( $slug, $prefix ) ) { |
| 104 | return true; |
| 105 | } |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | return false; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * The site's current purchases from WordPress.com (`/upgrades`). |
| 114 | * |
| 115 | * Fails closed: an unreachable or malformed response returns no purchases |
| 116 | * and isn't written to the transient, so the next request retries rather |
| 117 | * than serving a stale empty result. |
| 118 | * |
| 119 | * @return array List of purchase entries (associative arrays); empty on failure. |
| 120 | */ |
| 121 | private static function get_site_current_purchases(): array { |
| 122 | if ( null !== self::$purchases_cache ) { |
| 123 | return self::$purchases_cache; |
| 124 | } |
| 125 | |
| 126 | $cached = get_transient( self::PURCHASES_TRANSIENT ); |
| 127 | if ( is_array( $cached ) ) { |
| 128 | self::$purchases_cache = $cached; |
| 129 | return self::$purchases_cache; |
| 130 | } |
| 131 | |
| 132 | $response = Client::wpcom_json_api_request_as_blog( |
| 133 | sprintf( '/upgrades?site=%d', (int) Jetpack_Options::get_option( 'id' ) ), |
| 134 | '1.2', |
| 135 | array( 'method' => 'GET' ) |
| 136 | ); |
| 137 | |
| 138 | if ( is_wp_error( $response ) || 200 !== (int) wp_remote_retrieve_response_code( $response ) ) { |
| 139 | self::$purchases_cache = array(); |
| 140 | return self::$purchases_cache; |
| 141 | } |
| 142 | |
| 143 | $decoded = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 144 | if ( ! is_array( $decoded ) ) { |
| 145 | self::$purchases_cache = array(); |
| 146 | return self::$purchases_cache; |
| 147 | } |
| 148 | |
| 149 | // 30s: short enough that a plan change shows up quickly even if the |
| 150 | // checkout-return bust is missed, long enough to dedupe a page load. |
| 151 | set_transient( self::PURCHASES_TRANSIENT, $decoded, 30 ); |
| 152 | self::$purchases_cache = $decoded; |
| 153 | return self::$purchases_cache; |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Whether the blog is grandfathered: registered before the cutoff AND on a paid plan. |
| 158 | * |
| 159 | * @param int $blog_id Blog ID. |
| 160 | */ |
| 161 | protected static function is_grandfathered( int $blog_id ): bool { |
| 162 | if ( ! function_exists( 'get_blog_details' ) ) { |
| 163 | return false; |
| 164 | } |
| 165 | $details = get_blog_details( $blog_id ); |
| 166 | if ( ! $details || empty( $details->registered ) ) { |
| 167 | return false; |
| 168 | } |
| 169 | $registered_ts = strtotime( $details->registered ); |
| 170 | if ( false === $registered_ts || $registered_ts >= strtotime( self::GRANDFATHER_CUTOFF_DATE ) ) { |
| 171 | return false; |
| 172 | } |
| 173 | |
| 174 | $plan = Current_Plan::get(); |
| 175 | return ! empty( $plan['class'] ) && 'free' !== $plan['class']; |
| 176 | } |
| 177 | } |