| @@ -9,13 +9,15 @@ | ||
| 9 | 9 | |
| 10 | 10 | use Exception; |
| 11 | 11 | use WCPOS\Vendor\Firebase\JWT\JWT; |
| 12 | 12 | use WCPOS\Vendor\Firebase\JWT\Key; |
| 13 | +use WCPOS\WooCommercePOS\Logger; | |
| 13 | 14 | use WCPOS\WooCommercePOS\Services\Settings\Access_Section; |
| 14 | 15 | use WP_Error; |
| 15 | 16 | use WP_User; |
| 16 | 17 | use const DAY_IN_SECONDS; |
| 17 | 18 | use const HOUR_IN_SECONDS; |
| 19 | +use const MINUTE_IN_SECONDS; | |
| 18 | 20 | |
| 19 | 21 | /** |
| 20 | 22 | * Auth Service class. |
| 21 | 23 | */ |
| @@ -20,60 +22,91 @@ | ||
| 20 | 22 | * Auth Service class. |
| 21 | 23 | */ |
| 22 | 24 | class Auth { |
| 23 | 25 | /** |
| 24 | - * Maximum retained idle sessions. | |
| 26 | + * Maximum number of refresh-token sessions retained per user. | |
| 25 | 27 | * |
| 26 | - * @deprecated Use Session_Registry::MAX_SESSIONS_PER_USER. | |
| 28 | + * Refresh tokens live for weeks and every entry carries a user agent plus parsed | |
| 29 | + * device info, so without a cap the `_woocommerce_pos_refresh_tokens` row grows until | |
| 30 | + * `get_user_meta()` can no longer unserialize it inside the PHP memory limit. | |
| 31 | + * | |
| 32 | + * This is a ceiling on ACCUMULATED CLUTTER, never a limit on how many devices may be | |
| 33 | + * signed in at once: `evict_oldest_sessions()` only ever removes sessions that have | |
| 34 | + * been idle for SESSION_EVICTION_IDLE_SECONDS, and lets the count exceed this number | |
| 35 | + * rather than log a live device out. Two hundred covers a large merchant's real | |
| 36 | + * devices with room to spare, and 200 entries serialize to roughly a hundred | |
| 37 | + * kilobytes. | |
| 27 | 38 | */ |
| 28 | - public const MAX_SESSIONS_PER_USER = Session_Registry::MAX_SESSIONS_PER_USER; | |
| 39 | + public const MAX_SESSIONS_PER_USER = 200; | |
| 29 | 40 | |
| 30 | 41 | /** |
| 31 | - * Minimum idle time before eviction. | |
| 42 | + * How long a session must have gone unseen before eviction may remove it. | |
| 32 | 43 | * |
| 33 | - * @deprecated Use Session_Registry::SESSION_EVICTION_IDLE_SECONDS. | |
| 44 | + * The cap alone is not a safe eviction rule. A client that authenticates | |
| 45 | + * programmatically mints sessions far faster than a merchant does, so "the oldest of | |
| 46 | + * N" can be a session created minutes ago and still in use — and evicting it | |
| 47 | + * blacklists its access token, logging a working device out mid-request. That is | |
| 48 | + * exactly what happened on the shared E2E cashier after #1798 shipped a 50-session | |
| 49 | + * cap. A week of silence is a long time for a till: a device seen inside that window | |
| 50 | + * is treated as live and is never a candidate, whatever the count. | |
| 34 | 51 | */ |
| 35 | - public const SESSION_EVICTION_IDLE_SECONDS = Session_Registry::SESSION_EVICTION_IDLE_SECONDS; | |
| 52 | + public const SESSION_EVICTION_IDLE_SECONDS = 7 * DAY_IN_SECONDS; | |
| 36 | 53 | |
| 37 | 54 | /** |
| 38 | - * Session row byte ceiling. | |
| 55 | + * How stale a session's `last_active` may get before an authenticated request rewrites it. | |
| 39 | 56 | * |
| 40 | - * @deprecated Use Session_Registry::MAX_SESSIONS_ROW_BYTES. | |
| 57 | + * `last_active` decides what eviction may touch, so it has to reflect USE, not just | |
| 58 | + * token refreshes — before this, only `refresh_access_token()` moved it, and a device | |
| 59 | + * happily working through a 30-minute access token looked idle the whole time. Every | |
| 60 | + * authenticated request now refreshes it, throttled to one write per session per five | |
| 61 | + * minutes so the POS's request volume does not turn into a write per call. | |
| 41 | 62 | */ |
| 42 | - public const MAX_SESSIONS_ROW_BYTES = Session_Registry::MAX_SESSIONS_ROW_BYTES; | |
| 63 | + private const SESSION_ACTIVITY_REFRESH_SECONDS = 5 * MINUTE_IN_SECONDS; | |
| 43 | 64 | |
| 44 | 65 | /** |
| 45 | - * The single instance of the class. | |
| 66 | + * Transient prefix for the per-session "last seen" record. | |
| 46 | 67 | * |
| 47 | - * @var null|Auth | |
| 68 | + * Activity is recorded OUTSIDE the session row on purpose. Writing it into the row | |
| 69 | + * meant every authenticated request did a read-modify-write of the whole | |
| 70 | + * `_woocommerce_pos_refresh_tokens` array, which is neither atomic nor cheap: a | |
| 71 | + * request overlapping a login, logout or revoke for the same user could write back a | |
| 72 | + * stale copy and erase the concurrent change — losing a session that had just been | |
| 73 | + * issued, so the new client worked until its access token expired and was then refused | |
| 74 | + * a refresh. Four parallel E2E shards on one cashier do exactly that. A per-session key | |
| 75 | + * cannot collide with another session's write, and reading it costs no row load at all. | |
| 48 | 76 | */ |
| 49 | - private static $instance = null; | |
| 77 | + private const SESSION_SEEN_TRANSIENT_PREFIX = 'wcpos_session_seen_'; | |
| 50 | 78 | |
| 51 | 79 | /** |
| 52 | - * Session storage. | |
| 80 | + * Byte ceiling on the stored session row before it is discarded UNREAD. | |
| 53 | 81 | * |
| 54 | - * @var Session_Registry | |
| 82 | + * This is a LAST RESORT for a row no longer safe to load, not a tidy-up threshold — | |
| 83 | + * discarding it signs every one of that user's devices out at once. The bar is set | |
| 84 | + * from measurement rather than caution: a 9,216,730-byte row (17,000 sessions) read | |
| 85 | + * fine under the 128 MB limit that produced the #1776 fatal — `get_user_meta()` cost | |
| 86 | + * ~26 MB to fetch and ~38 MB with the unserialize, and it was the WRITE-BACK, at ~42 | |
| 87 | + * MB more, that exhausted the request. Six megabytes therefore sits below anything | |
| 88 | + * measured to be unreadable while still catching a row heading for that fatal. The | |
| 89 | + * first release of this guard used one megabyte, which is comfortably readable and | |
| 90 | + * threw away rows that eviction could simply have trimmed. | |
| 55 | 91 | */ |
| 56 | - private $sessions; | |
| 92 | + public const MAX_SESSIONS_ROW_BYTES = 6291456; | |
| 57 | 93 | |
| 58 | 94 | /** |
| 95 | + * The single instance of the class. | |
| 96 | + * | |
| 97 | + * @var null|Auth | |
| 98 | + */ | |
| 99 | + private static $instance = null; | |
| 100 | + | |
| 101 | + /** | |
| 59 | 102 | * Constructor is private to prevent direct instantiation. |
| 60 | 103 | * Or Auth::instance() instead. |
| 61 | 104 | */ |
| 62 | 105 | public function __construct() { |
| 63 | - $this->sessions = new Session_Registry(); | |
| 64 | 106 | } |
| 65 | 107 | |
| 66 | 108 | /** |
| 67 | - * Get the session registry. | |
| 68 | - * | |
| 69 | - * @return Session_Registry | |
| 70 | - */ | |
| 71 | - public function sessions(): Session_Registry { | |
| 72 | - return $this->sessions; | |
| 73 | - } | |
| 74 | - | |
| 75 | - /** | |
| 76 | 109 | * Gets the singleton instance. |
| 77 | 110 | * |
| 78 | 111 | * @return Auth |
| 79 | 112 | */ |
| @@ -253,9 +286,9 @@ | ||
| 253 | 286 | |
| 254 | 287 | // The session is live: record that, so eviction can tell a device that is |
| 255 | 288 | // working right now from one that has not been seen in a week. |
| 256 | 289 | if ( isset( $decoded_token->refresh_jti ) ) { |
| 257 | - $this->sessions->touch( | |
| 290 | + $this->touch_session_activity( | |
| 258 | 291 | absint( $decoded_token->data->user->id ), |
| 259 | 292 | (string) $decoded_token->refresh_jti |
| 260 | 293 | ); |
| 261 | 294 | } |
| @@ -361,9 +394,9 @@ | ||
| 361 | 394 | $access_jti = null === $access_jti ? $jti : (string) $access_jti; |
| 362 | 395 | |
| 363 | 396 | if ( null !== $linked_refresh_jti ) { |
| 364 | 397 | $linked_refresh_jti = (string) $linked_refresh_jti; |
| 365 | - $this->sessions->record_access_expiry( $user->ID, $linked_refresh_jti, $expires_at ); | |
| 398 | + $this->store_access_token_expiry( $user->ID, $linked_refresh_jti, $expires_at ); | |
| 366 | 399 | } |
| 367 | 400 | |
| 368 | 401 | return array( |
| 369 | 402 | 'token' => $token, |
| @@ -426,26 +459,9 @@ | ||
| 426 | 459 | */ |
| 427 | 460 | $token = JWT::encode( apply_filters( 'woocommerce_pos_jwt_refresh_token_before_sign', $token, $user ), $this->get_refresh_secret_key(), 'HS256' ); |
| 428 | 461 | |
| 429 | 462 | // Store refresh token JTI for potential revocation. |
| 430 | - $evicted = $this->sessions->record( $user->ID, $jti, $expire, Session_Context::from_request() ); | |
| 431 | - $issued_at = time(); | |
| 432 | - foreach ( $evicted as $evicted_jti => $token_data ) { | |
| 433 | - /* | |
| 434 | - * Blacklist ONLY a session that can still hold a live access token. An eviction | |
| 435 | - * is not a revoke: clearing a bloated row can drop thousands of long-dead | |
| 436 | - * sessions at once, and a transient for each would guard nothing — an expired | |
| 437 | - * access token is already rejected on its own `exp` claim, and the refresh token | |
| 438 | - * dies with the meta entry (`is_live()` requires the entry). This | |
| 439 | - * also bounds each transient this path writes to one access-token lifetime, | |
| 440 | - * rather than the refresh-token expiry `get_access_token_blacklist_ttl()` falls | |
| 441 | - * back to for a session with no recorded access-token expiry. | |
| 442 | - */ | |
| 443 | - $horizon = $this->access_token_horizon( $token_data ); | |
| 444 | - if ( $horizon > $issued_at ) { | |
| 445 | - $this->blacklist_token( $evicted_jti, $horizon - $issued_at ); | |
| 446 | - } | |
| 447 | - } | |
| 463 | + $this->store_refresh_token_jti( $user->ID, $jti, $expire ); | |
| 448 | 464 | |
| 449 | 465 | return $token; |
| 450 | 466 | } |
| 451 | 467 | |
| @@ -583,16 +599,16 @@ | ||
| 583 | 599 | } |
| 584 | 600 | |
| 585 | 601 | /* |
| 586 | 602 | * Before the first row read on this path. A refresh loads the whole session row — |
| 587 | - * `is_live()` below, then `refresh_activity()` — so it needs | |
| 603 | + * `is_refresh_token_valid()` below, then `update_session_activity()` — so it needs | |
| 588 | 604 | * the same protection a login has against a row too large to read (#1776). |
| 589 | 605 | * Validating an ACCESS token needs no such guard: it no longer touches the row. |
| 590 | 606 | */ |
| 591 | - $this->sessions->guard_row( absint( $decoded->data->user->id ) ); | |
| 607 | + $this->discard_oversized_session_row( absint( $decoded->data->user->id ) ); | |
| 592 | 608 | |
| 593 | 609 | // Check if refresh token is still valid (not revoked). |
| 594 | - if ( ! $this->sessions->is_live( $decoded->data->user->id, $decoded->jti ?? '' ) ) { | |
| 610 | + if ( ! $this->is_refresh_token_valid( $decoded->data->user->id, $decoded->jti ?? '' ) ) { | |
| 595 | 611 | return new WP_Error( |
| 596 | 612 | 'woocommerce_pos_auth_refresh_token_revoked', |
| 597 | 613 | 'Refresh token has been revoked', |
| 598 | 614 | array( 'status' => 403 ) |
| @@ -632,9 +648,22 @@ | ||
| 632 | 648 | * |
| 633 | 649 | * @return bool |
| 634 | 650 | */ |
| 635 | 651 | public function revoke_refresh_token( int $user_id, string $jti ): bool { |
| 636 | - return $this->sessions->revoke( $user_id, $jti ); | |
| 652 | + $refresh_tokens = get_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', true ); | |
| 653 | + if ( ! \is_array( $refresh_tokens ) ) { | |
| 654 | + return false; | |
| 655 | + } | |
| 656 | + | |
| 657 | + if ( isset( $refresh_tokens[ $jti ] ) ) { | |
| 658 | + unset( $refresh_tokens[ $jti ] ); | |
| 659 | + update_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', $refresh_tokens ); | |
| 660 | + $this->forget_session_activity( $jti ); | |
| 661 | + | |
| 662 | + return true; | |
| 663 | + } | |
| 664 | + | |
| 665 | + return false; | |
| 637 | 666 | } |
| 638 | 667 | |
| 639 | 668 | /** |
| 640 | 669 | * Revoke all refresh tokens for a user. |
| @@ -650,13 +679,12 @@ | ||
| 650 | 679 | * |
| 651 | 680 | * @return bool |
| 652 | 681 | */ |
| 653 | 682 | public function revoke_all_refresh_tokens( int $user_id ): bool { |
| 654 | - $refresh_tokens = $this->sessions->entries( $user_id ); | |
| 683 | + $refresh_tokens = get_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', true ); | |
| 655 | 684 | |
| 656 | - // Blacklist all sessions for instant access token invalidation. The expiry | |
| 657 | - // policy is only consulted when there is something to blacklist. | |
| 658 | - if ( array() !== $refresh_tokens ) { | |
| 685 | + // Blacklist all sessions for instant access token invalidation. | |
| 686 | + if ( \is_array( $refresh_tokens ) ) { | |
| 659 | 687 | $issued_at = time(); |
| 660 | 688 | $access_expire = $this->get_access_token_expire( $issued_at ); |
| 661 | 689 | |
| 662 | 690 | foreach ( $refresh_tokens as $jti => $token_data ) { |
| @@ -661,12 +689,13 @@ | ||
| 661 | 689 | |
| 662 | 690 | foreach ( $refresh_tokens as $jti => $token_data ) { |
| 663 | 691 | $ttl = $this->get_access_token_blacklist_ttl( $token_data, $issued_at, $access_expire ); |
| 664 | 692 | $this->blacklist_token( $jti, $ttl ); |
| 693 | + $this->forget_session_activity( (string) $jti ); | |
| 665 | 694 | } |
| 666 | 695 | } |
| 667 | 696 | |
| 668 | - return $this->sessions->revoke_all( $user_id ); | |
| 697 | + return delete_user_meta( $user_id, '_woocommerce_pos_refresh_tokens' ); | |
| 669 | 698 | } |
| 670 | 699 | |
| 671 | 700 | /** |
| 672 | 701 | * Get all active sessions for a user. |
| @@ -675,9 +704,42 @@ | ||
| 675 | 704 | * |
| 676 | 705 | * @return array |
| 677 | 706 | */ |
| 678 | 707 | public function get_user_sessions( int $user_id ): array { |
| 679 | - return $this->sessions->list( $user_id ); | |
| 708 | + $refresh_tokens = get_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', true ); | |
| 709 | + if ( ! \is_array( $refresh_tokens ) ) { | |
| 710 | + return array(); | |
| 711 | + } | |
| 712 | + | |
| 713 | + $sessions = array(); | |
| 714 | + $current_time = time(); | |
| 715 | + | |
| 716 | + foreach ( $refresh_tokens as $jti => $token_data ) { | |
| 717 | + // Skip expired sessions. | |
| 718 | + if ( $token_data['expires'] <= $current_time ) { | |
| 719 | + continue; | |
| 720 | + } | |
| 721 | + | |
| 722 | + $sessions[] = array( | |
| 723 | + 'jti' => $jti, | |
| 724 | + 'created' => $token_data['created'] ?? $current_time, | |
| 725 | + 'last_active' => $token_data['last_active'] ?? $token_data['created'] ?? $current_time, | |
| 726 | + 'expires' => $token_data['expires'], | |
| 727 | + 'ip_address' => $token_data['ip_address'] ?? '', | |
| 728 | + 'user_agent' => $token_data['user_agent'] ?? '', | |
| 729 | + 'device_info' => $token_data['device_info'] ?? array(), | |
| 730 | + ); | |
| 731 | + } | |
| 732 | + | |
| 733 | + // Sort by last_active descending (most recent first). | |
| 734 | + usort( | |
| 735 | + $sessions, | |
| 736 | + function ( $a, $b ) { | |
| 737 | + return $b['last_active'] - $a['last_active']; | |
| 738 | + } | |
| 739 | + ); | |
| 740 | + | |
| 741 | + return $sessions; | |
| 680 | 742 | } |
| 681 | 743 | |
| 682 | 744 | /** |
| 683 | 745 | * Revoke a specific session by JTI (alias for revoke_refresh_token for clarity). |
| @@ -707,11 +769,10 @@ | ||
| 707 | 769 | * |
| 708 | 770 | * @return bool |
| 709 | 771 | */ |
| 710 | 772 | public function revoke_all_sessions_except( int $user_id, string $current_jti ): bool { |
| 711 | - $refresh_tokens = $this->sessions->entries( $user_id ); | |
| 712 | - if ( array() === $refresh_tokens ) { | |
| 713 | - // No row (or nothing in it): nothing to blacklist, nothing to rewrite. | |
| 773 | + $refresh_tokens = get_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', true ); | |
| 774 | + if ( ! \is_array( $refresh_tokens ) ) { | |
| 714 | 775 | return false; |
| 715 | 776 | } |
| 716 | 777 | |
| 717 | 778 | // Blacklist all sessions except current for instant access token invalidation. |
| @@ -721,12 +782,22 @@ | ||
| 721 | 782 | foreach ( $refresh_tokens as $jti => $token_data ) { |
| 722 | 783 | if ( $jti !== $current_jti ) { |
| 723 | 784 | $ttl = $this->get_access_token_blacklist_ttl( $token_data, $issued_at, $access_expire ); |
| 724 | 785 | $this->blacklist_token( $jti, $ttl ); |
| 786 | + $this->forget_session_activity( (string) $jti ); | |
| 725 | 787 | } |
| 726 | 788 | } |
| 727 | 789 | |
| 728 | - return $this->sessions->keep_only( $user_id, $current_jti ); | |
| 790 | + // Keep only the current session in user meta. | |
| 791 | + $refresh_tokens = array_filter( | |
| 792 | + $refresh_tokens, | |
| 793 | + function ( $_token, $jti ) use ( $current_jti ) { | |
| 794 | + return $jti === $current_jti; | |
| 795 | + }, | |
| 796 | + ARRAY_FILTER_USE_BOTH | |
| 797 | + ); | |
| 798 | + | |
| 799 | + return update_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', $refresh_tokens ); | |
| 729 | 800 | } |
| 730 | 801 | |
| 731 | 802 | /** |
| 732 | 803 | * Update last_active timestamp for a session. |
| @@ -736,12 +807,62 @@ | ||
| 736 | 807 | * |
| 737 | 808 | * @return bool |
| 738 | 809 | */ |
| 739 | 810 | public function update_session_activity( int $user_id, string $jti ): bool { |
| 740 | - return $this->sessions->refresh_activity( $user_id, $jti ); | |
| 811 | + // Public surface: any caller reaching the row goes through the size guard first. | |
| 812 | + $this->discard_oversized_session_row( $user_id ); | |
| 813 | + | |
| 814 | + $refresh_tokens = get_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', true ); | |
| 815 | + if ( ! \is_array( $refresh_tokens ) || ! isset( $refresh_tokens[ $jti ] ) ) { | |
| 816 | + return false; | |
| 817 | + } | |
| 818 | + | |
| 819 | + $refresh_tokens[ $jti ]['last_active'] = time(); | |
| 820 | + | |
| 821 | + return update_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', $refresh_tokens ); | |
| 741 | 822 | } |
| 742 | 823 | |
| 743 | 824 | /** |
| 825 | + * Refresh a session's `last_active`, at most once every few minutes. | |
| 826 | + * | |
| 827 | + * Called from token validation, so it runs on EVERY authenticated request. The | |
| 828 | + * throttle is what makes that affordable: the value only has to be accurate to within | |
| 829 | + * minutes for a rule that asks whether a session has been unseen for a week, and the | |
| 830 | + * read is already in the user's meta cache by this point. | |
| 831 | + * | |
| 832 | + * @param int $user_id The user ID. | |
| 833 | + * @param string $jti Refresh token JTI (session identifier). | |
| 834 | + */ | |
| 835 | + private function touch_session_activity( int $user_id, string $jti ): void { | |
| 836 | + if ( 0 === $user_id || '' === $jti ) { | |
| 837 | + return; | |
| 838 | + } | |
| 839 | + | |
| 840 | + $key = self::SESSION_SEEN_TRANSIENT_PREFIX . $jti; | |
| 841 | + $seen = get_transient( $key ); | |
| 842 | + | |
| 843 | + // The throttle reads the transient, never the session row: this runs on every | |
| 844 | + // authenticated request, and the row is the one thing this path must not touch. | |
| 845 | + if ( is_numeric( $seen ) && time() - (int) $seen < self::SESSION_ACTIVITY_REFRESH_SECONDS ) { | |
| 846 | + return; | |
| 847 | + } | |
| 848 | + | |
| 849 | + // The TTL IS the idle window, so a missing transient means "not seen in a week". | |
| 850 | + set_transient( $key, time(), self::SESSION_EVICTION_IDLE_SECONDS ); | |
| 851 | + } | |
| 852 | + | |
| 853 | + /** | |
| 854 | + * Forget a session's recorded activity. | |
| 855 | + * | |
| 856 | + * @param string $jti Refresh token JTI (session identifier). | |
| 857 | + */ | |
| 858 | + private function forget_session_activity( string $jti ): void { | |
| 859 | + if ( '' !== $jti ) { | |
| 860 | + delete_transient( self::SESSION_SEEN_TRANSIENT_PREFIX . $jti ); | |
| 861 | + } | |
| 862 | + } | |
| 863 | + | |
| 864 | + /** | |
| 744 | 865 | * Check if the current user can manage sessions for the target user. |
| 745 | 866 | * |
| 746 | 867 | * @param int $target_user_id The target user ID. |
| 747 | 868 | * |
| @@ -800,10 +921,11 @@ | ||
| 800 | 921 | * |
| 801 | 922 | * @return bool |
| 802 | 923 | */ |
| 803 | 924 | public function revoke_session_with_blacklist( int $user_id, string $refresh_jti ): bool { |
| 804 | - $session_data = $this->sessions->entry( $user_id, $refresh_jti ); | |
| 805 | - $ttl = $this->get_access_token_blacklist_ttl( $session_data ); | |
| 925 | + $refresh_tokens = get_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', true ); | |
| 926 | + $session_data = \is_array( $refresh_tokens ) && isset( $refresh_tokens[ $refresh_jti ] ) ? $refresh_tokens[ $refresh_jti ] : array(); | |
| 927 | + $ttl = $this->get_access_token_blacklist_ttl( $session_data ); | |
| 806 | 928 | |
| 807 | 929 | // Revoke the refresh token (session) from user meta. |
| 808 | 930 | $revoked = $this->revoke_session( $user_id, $refresh_jti ); |
| 809 | 931 | |
| @@ -816,8 +938,233 @@ | ||
| 816 | 938 | return $revoked; |
| 817 | 939 | } |
| 818 | 940 | |
| 819 | 941 | /** |
| 942 | + * Store refresh token JTI for tracking/revocation. | |
| 943 | + * | |
| 944 | + * @param int $user_id The user ID. | |
| 945 | + * @param string $jti The token JTI. | |
| 946 | + * @param int $expires The expiration timestamp. | |
| 947 | + * @param null|Session_Context $context Request state the session is recorded | |
| 948 | + * against. Defaults to the current request. | |
| 949 | + */ | |
| 950 | + private function store_refresh_token_jti( int $user_id, string $jti, int $expires, ?Session_Context $context = null ): void { | |
| 951 | + $context = null === $context ? Session_Context::from_request() : $context; | |
| 952 | + | |
| 953 | + // BEFORE the read: a pre-cap row can be too large to load, and this is the first | |
| 954 | + // point in the login flow where WCPOS knows the user id. | |
| 955 | + $this->discard_oversized_session_row( $user_id ); | |
| 956 | + | |
| 957 | + $refresh_tokens = get_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', true ); | |
| 958 | + if ( ! \is_array( $refresh_tokens ) ) { | |
| 959 | + $refresh_tokens = array(); | |
| 960 | + } | |
| 961 | + | |
| 962 | + // Clean up expired tokens. | |
| 963 | + $refresh_tokens = array_filter( | |
| 964 | + $refresh_tokens, | |
| 965 | + function ( $token ) { | |
| 966 | + return $token['expires'] > time(); | |
| 967 | + } | |
| 968 | + ); | |
| 969 | + | |
| 970 | + // Capture session metadata. | |
| 971 | + $current_time = time(); | |
| 972 | + $ip_address = $context->get_ip(); | |
| 973 | + $user_agent = $context->get_user_agent(); | |
| 974 | + $device_info = $this->parse_user_agent( $user_agent ); | |
| 975 | + | |
| 976 | + // Check for explicit platform declaration from native apps (passed as a param in the auth request). | |
| 977 | + $platform = $context->get_platform(); | |
| 978 | + $version = $context->get_version(); | |
| 979 | + $build = $context->get_build(); | |
| 980 | + | |
| 981 | + // Override app_type if platform was explicitly provided by the client. | |
| 982 | + if ( \in_array( $platform, array( 'ios', 'android', 'electron', 'web' ), true ) ) { | |
| 983 | + $device_info['app_type'] = 'web' === $platform ? 'web' : $platform . '_app'; | |
| 984 | + | |
| 985 | + // Set appropriate device type based on platform. | |
| 986 | + if ( 'ios' === $platform || 'android' === $platform ) { | |
| 987 | + $device_info['device_type'] = 'tablet'; // Default to tablet for mobile apps. | |
| 988 | + } elseif ( 'electron' === $platform ) { | |
| 989 | + $device_info['device_type'] = 'desktop'; | |
| 990 | + } | |
| 991 | + | |
| 992 | + // Use version from param if provided. | |
| 993 | + if ( ! empty( $version ) ) { | |
| 994 | + $device_info['browser_version'] = $version; | |
| 995 | + } | |
| 996 | + | |
| 997 | + // Store build number if provided. | |
| 998 | + if ( ! empty( $build ) ) { | |
| 999 | + $device_info['build'] = $build; | |
| 1000 | + } | |
| 1001 | + | |
| 1002 | + // Set browser to WooCommerce POS for native apps. | |
| 1003 | + if ( 'web' !== $platform ) { | |
| 1004 | + $device_info['browser'] = 'WooCommerce POS'; | |
| 1005 | + } | |
| 1006 | + } | |
| 1007 | + | |
| 1008 | + // Add new token with metadata. | |
| 1009 | + $refresh_tokens[ $jti ] = array( | |
| 1010 | + 'expires' => $expires, | |
| 1011 | + 'created' => $current_time, | |
| 1012 | + 'last_active' => $current_time, | |
| 1013 | + 'ip_address' => $ip_address, | |
| 1014 | + 'user_agent' => $user_agent, | |
| 1015 | + 'device_info' => $device_info, | |
| 1016 | + ); | |
| 1017 | + | |
| 1018 | + // Cap the number of stored sessions so programmatic clients cannot grow the row without bound. | |
| 1019 | + $refresh_tokens = $this->evict_oldest_sessions( $refresh_tokens, $jti ); | |
| 1020 | + | |
| 1021 | + update_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', $refresh_tokens ); | |
| 1022 | + } | |
| 1023 | + | |
| 1024 | + /** | |
| 1025 | + * Drop the least recently active sessions until the per-user cap is met. | |
| 1026 | + * | |
| 1027 | + * Evicted sessions are blacklisted the same way revoke_all_sessions_except() does, so the | |
| 1028 | + * device that lost its slot is cleanly logged out instead of keeping a working access token | |
| 1029 | + * for the remainder of that token's life. | |
| 1030 | + * | |
| 1031 | + * @param array $refresh_tokens Stored sessions keyed by refresh token JTI. | |
| 1032 | + * @param string $protected_jti JTI that must never be evicted (the session being stored). | |
| 1033 | + * | |
| 1034 | + * @return array The sessions to persist. | |
| 1035 | + */ | |
| 1036 | + private function evict_oldest_sessions( array $refresh_tokens, string $protected_jti ): array { | |
| 1037 | + $evict_count = \count( $refresh_tokens ) - self::MAX_SESSIONS_PER_USER; | |
| 1038 | + if ( $evict_count <= 0 ) { | |
| 1039 | + return $refresh_tokens; | |
| 1040 | + } | |
| 1041 | + | |
| 1042 | + $issued_at = time(); | |
| 1043 | + $idle_before = $issued_at - self::SESSION_EVICTION_IDLE_SECONDS; | |
| 1044 | + | |
| 1045 | + /* | |
| 1046 | + * Order eviction candidates oldest-first. The insertion index breaks ties explicitly | |
| 1047 | + * because usort() is not stable before PHP 8.0 and bulk logins share a timestamp. | |
| 1048 | + * | |
| 1049 | + * A session seen within SESSION_EVICTION_IDLE_SECONDS is NOT a candidate at any | |
| 1050 | + * count. Being the oldest of N says nothing about being unused when N sessions were | |
| 1051 | + * minted in an hour, and evicting a live one blacklists a working device's access | |
| 1052 | + * token. The cap yields to that: a user whose sessions are all recent keeps them | |
| 1053 | + * all, and the row stays bounded by MAX_SESSIONS_ROW_BYTES instead. | |
| 1054 | + */ | |
| 1055 | + $candidates = array(); | |
| 1056 | + $index = 0; | |
| 1057 | + foreach ( $refresh_tokens as $candidate_jti => $token_data ) { | |
| 1058 | + $position = $index++; | |
| 1059 | + if ( (string) $candidate_jti === $protected_jti ) { | |
| 1060 | + continue; | |
| 1061 | + } | |
| 1062 | + | |
| 1063 | + // The ROW timestamp is the cheap filter. It is authoritative when it says a | |
| 1064 | + // session is live, because login and refresh both write it; when it says idle | |
| 1065 | + // the activity transient still gets the final word, below. | |
| 1066 | + $activity = $this->session_row_last_seen( $token_data ); | |
| 1067 | + if ( $activity > $idle_before ) { | |
| 1068 | + continue; | |
| 1069 | + } | |
| 1070 | + | |
| 1071 | + $candidates[] = array( | |
| 1072 | + 'jti' => (string) $candidate_jti, | |
| 1073 | + 'activity' => $activity, | |
| 1074 | + 'index' => $position, | |
| 1075 | + ); | |
| 1076 | + } | |
| 1077 | + | |
| 1078 | + usort( | |
| 1079 | + $candidates, | |
| 1080 | + function ( $a, $b ) { | |
| 1081 | + if ( $a['activity'] === $b['activity'] ) { | |
| 1082 | + return $a['index'] <=> $b['index']; | |
| 1083 | + } | |
| 1084 | + | |
| 1085 | + return $a['activity'] <=> $b['activity']; | |
| 1086 | + } | |
| 1087 | + ); | |
| 1088 | + | |
| 1089 | + foreach ( $candidates as $candidate ) { | |
| 1090 | + if ( $evict_count <= 0 ) { | |
| 1091 | + break; | |
| 1092 | + } | |
| 1093 | + | |
| 1094 | + // Checked only for rows already stale, so this costs a handful of transient | |
| 1095 | + // reads rather than one per stored session. | |
| 1096 | + if ( $this->session_last_seen( $candidate['jti'], $refresh_tokens[ $candidate['jti'] ] ) > $idle_before ) { | |
| 1097 | + continue; | |
| 1098 | + } | |
| 1099 | + | |
| 1100 | + /* | |
| 1101 | + * Blacklist ONLY a session that can still hold a live access token. An eviction | |
| 1102 | + * is not a revoke: clearing a bloated row can drop thousands of long-dead | |
| 1103 | + * sessions at once, and a transient for each would guard nothing — an expired | |
| 1104 | + * access token is already rejected on its own `exp` claim, and the refresh token | |
| 1105 | + * dies with the meta entry (`is_refresh_token_valid()` requires the entry). This | |
| 1106 | + * also bounds each transient this path writes to one access-token lifetime, | |
| 1107 | + * rather than the refresh-token expiry `get_access_token_blacklist_ttl()` falls | |
| 1108 | + * back to for a session with no recorded access-token expiry. | |
| 1109 | + */ | |
| 1110 | + $horizon = $this->access_token_horizon( $refresh_tokens[ $candidate['jti'] ] ); | |
| 1111 | + if ( $horizon > $issued_at ) { | |
| 1112 | + $this->blacklist_token( $candidate['jti'], $horizon - $issued_at ); | |
| 1113 | + } | |
| 1114 | + | |
| 1115 | + $this->forget_session_activity( $candidate['jti'] ); | |
| 1116 | + unset( $refresh_tokens[ $candidate['jti'] ] ); | |
| 1117 | + --$evict_count; | |
| 1118 | + } | |
| 1119 | + | |
| 1120 | + return $refresh_tokens; | |
| 1121 | + } | |
| 1122 | + | |
| 1123 | + /** | |
| 1124 | + * When a session was last seen, taking the later of the row and the activity record. | |
| 1125 | + * | |
| 1126 | + * The row is rewritten by login and refresh; the transient is written by ordinary | |
| 1127 | + * authenticated requests. Neither alone is the whole picture — a device working through | |
| 1128 | + * a long-lived access token has an old row timestamp and a fresh transient, and a | |
| 1129 | + * session that has not been used at all has the reverse. | |
| 1130 | + * | |
| 1131 | + * @param string $jti Refresh token JTI (session identifier). | |
| 1132 | + * @param array $token_data Stored session record. | |
| 1133 | + * | |
| 1134 | + * @return int Unix timestamp; 0 when neither source carries a usable timestamp. | |
| 1135 | + */ | |
| 1136 | + private function session_last_seen( string $jti, array $token_data ): int { | |
| 1137 | + $row_seen = $this->session_row_last_seen( $token_data ); | |
| 1138 | + $seen = '' === $jti ? false : get_transient( self::SESSION_SEEN_TRANSIENT_PREFIX . $jti ); | |
| 1139 | + | |
| 1140 | + return is_numeric( $seen ) ? max( $row_seen, (int) $seen ) : $row_seen; | |
| 1141 | + } | |
| 1142 | + | |
| 1143 | + /** | |
| 1144 | + * When the stored record itself says a session was last seen. | |
| 1145 | + * | |
| 1146 | + * Login and refresh both rewrite `last_active` in the row, so this stays accurate for | |
| 1147 | + * everything except the stretch between refreshes — which is what the activity | |
| 1148 | + * transient covers. | |
| 1149 | + * | |
| 1150 | + * @param array $token_data Stored session record. | |
| 1151 | + * | |
| 1152 | + * @return int Unix timestamp; 0 when the record carries no usable timestamp. | |
| 1153 | + */ | |
| 1154 | + private function session_row_last_seen( array $token_data ): int { | |
| 1155 | + if ( isset( $token_data['last_active'] ) ) { | |
| 1156 | + return (int) $token_data['last_active']; | |
| 1157 | + } | |
| 1158 | + | |
| 1159 | + if ( isset( $token_data['created'] ) ) { | |
| 1160 | + return (int) $token_data['created']; | |
| 1161 | + } | |
| 1162 | + | |
| 1163 | + return 0; | |
| 1164 | + } | |
| 1165 | + | |
| 1166 | + /** | |
| 820 | 1167 | * The last moment an access token minted against a session can still validate. |
| 821 | 1168 | * |
| 822 | 1169 | * @param array $token_data Stored session record. |
| 823 | 1170 | * |
| @@ -830,14 +1177,71 @@ | ||
| 830 | 1177 | |
| 831 | 1178 | // Rows written before `access_expires` was recorded. The newest access token such a |
| 832 | 1179 | // session can hold was minted no later than its last recorded activity, so one |
| 833 | 1180 | // access-token lifetime past that moment is the outside limit. |
| 834 | - $last_seen = (int) ( $token_data['last_active'] ?? $token_data['created'] ?? 0 ); | |
| 1181 | + $last_seen = $this->session_row_last_seen( $token_data ); | |
| 835 | 1182 | |
| 836 | 1183 | return $last_seen > 0 ? $this->get_access_token_expire( $last_seen ) : 0; |
| 837 | 1184 | } |
| 838 | 1185 | |
| 839 | 1186 | /** |
| 1187 | + * Drop the stored session row when it is too large to be read safely. | |
| 1188 | + * | |
| 1189 | + * A LAST RESORT, not a tidy-up: discarding the row signs every one of that user's | |
| 1190 | + * devices out at once, so the ceiling is set above anything measured to be readable | |
| 1191 | + * (see MAX_SESSIONS_ROW_BYTES) and everything below it is TRIMMED by | |
| 1192 | + * `evict_oldest_sessions()` on the same write instead. What this catches is the one | |
| 1193 | + * case trimming cannot: a row so large that reading it exhausts the request before any | |
| 1194 | + * of the code below runs, which — because that read happens on every login — locks the | |
| 1195 | + * user out permanently (#1776). `LENGTH()` lets MySQL answer with a number instead of | |
| 1196 | + * the value, so the size is checked without paying for the row. | |
| 1197 | + * | |
| 1198 | + * @param int $user_id The user ID. | |
| 1199 | + */ | |
| 1200 | + private function discard_oversized_session_row( int $user_id ): void { | |
| 1201 | + global $wpdb; | |
| 1202 | + | |
| 1203 | + $rows = $wpdb->get_results( | |
| 1204 | + $wpdb->prepare( | |
| 1205 | + "SELECT umeta_id, LENGTH(meta_value) AS meta_bytes FROM {$wpdb->usermeta} WHERE user_id = %d AND meta_key = %s", | |
| 1206 | + $user_id, | |
| 1207 | + '_woocommerce_pos_refresh_tokens' | |
| 1208 | + ) | |
| 1209 | + ); | |
| 1210 | + | |
| 1211 | + if ( empty( $rows ) ) { | |
| 1212 | + return; | |
| 1213 | + } | |
| 1214 | + | |
| 1215 | + $bytes = 0; | |
| 1216 | + foreach ( $rows as $row ) { | |
| 1217 | + $bytes += (int) $row->meta_bytes; | |
| 1218 | + } | |
| 1219 | + | |
| 1220 | + if ( $bytes <= self::MAX_SESSIONS_ROW_BYTES ) { | |
| 1221 | + return; | |
| 1222 | + } | |
| 1223 | + | |
| 1224 | + foreach ( $rows as $row ) { | |
| 1225 | + $wpdb->delete( $wpdb->usermeta, array( 'umeta_id' => (int) $row->umeta_id ), array( '%d' ) ); | |
| 1226 | + } | |
| 1227 | + | |
| 1228 | + // The row may already be sitting in the user's meta cache from an earlier | |
| 1229 | + // `get_user_meta()` in this request; without this the next read serves the value | |
| 1230 | + // that was just deleted. | |
| 1231 | + wp_cache_delete( $user_id, 'user_meta' ); | |
| 1232 | + | |
| 1233 | + Logger::warning( | |
| 1234 | + sprintf( | |
| 1235 | + 'Discarded an unreadable WCPOS session row for user %d (%d bytes, ceiling %d). The row was too large to load safely, so every POS session for this user has been logged out once; it is rebuilt, capped, on this login.', | |
| 1236 | + $user_id, | |
| 1237 | + $bytes, | |
| 1238 | + self::MAX_SESSIONS_ROW_BYTES | |
| 1239 | + ) | |
| 1240 | + ); | |
| 1241 | + } | |
| 1242 | + | |
| 1243 | + /** | |
| 840 | 1244 | * Filters the JWT access token expire time. |
| 841 | 1245 | * Default: 30 minutes for access tokens. |
| 842 | 1246 | * |
| 843 | 1247 | * @param int $issued_at Token issued timestamp. |
| @@ -888,8 +1292,37 @@ | ||
| 888 | 1292 | return null; |
| 889 | 1293 | } |
| 890 | 1294 | |
| 891 | 1295 | /** |
| 1296 | + * Record the latest access token expiry linked to a refresh-token session. | |
| 1297 | + * | |
| 1298 | + * @param int $user_id The user ID. | |
| 1299 | + * @param string $refresh_jti Refresh token JTI. | |
| 1300 | + * @param int $access_expires Access token expiry timestamp. | |
| 1301 | + * | |
| 1302 | + * @return bool | |
| 1303 | + */ | |
| 1304 | + private function store_access_token_expiry( int $user_id, string $refresh_jti, int $access_expires ): bool { | |
| 1305 | + if ( empty( $refresh_jti ) || $access_expires <= 0 ) { | |
| 1306 | + return false; | |
| 1307 | + } | |
| 1308 | + | |
| 1309 | + $refresh_tokens = get_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', true ); | |
| 1310 | + if ( ! \is_array( $refresh_tokens ) || ! isset( $refresh_tokens[ $refresh_jti ] ) ) { | |
| 1311 | + return false; | |
| 1312 | + } | |
| 1313 | + | |
| 1314 | + $current_access_expires = isset( $refresh_tokens[ $refresh_jti ]['access_expires'] ) ? (int) $refresh_tokens[ $refresh_jti ]['access_expires'] : 0; | |
| 1315 | + if ( $access_expires <= $current_access_expires ) { | |
| 1316 | + return true; | |
| 1317 | + } | |
| 1318 | + | |
| 1319 | + $refresh_tokens[ $refresh_jti ]['access_expires'] = $access_expires; | |
| 1320 | + | |
| 1321 | + return update_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', $refresh_tokens ); | |
| 1322 | + } | |
| 1323 | + | |
| 1324 | + /** | |
| 892 | 1325 | * Calculate blacklist TTL for a session. |
| 893 | 1326 | * |
| 894 | 1327 | * @param array $session_data Session metadata. |
| 895 | 1328 | * @param null|int $issued_at Current timestamp. |
| @@ -911,8 +1344,139 @@ | ||
| 911 | 1344 | $access_expire = max( $access_expire, (int) $session_data['expires'] ); |
| 912 | 1345 | } |
| 913 | 1346 | |
| 914 | 1347 | return max( 0, $access_expire - $issued_at ); |
| 1348 | + } | |
| 1349 | + | |
| 1350 | + /** | |
| 1351 | + * Check if refresh token is still valid (not revoked). | |
| 1352 | + * | |
| 1353 | + * @param int $user_id The user ID. | |
| 1354 | + * @param string $jti The token JTI. | |
| 1355 | + * | |
| 1356 | + * @return bool | |
| 1357 | + */ | |
| 1358 | + private function is_refresh_token_valid( int $user_id, string $jti ): bool { | |
| 1359 | + $refresh_tokens = get_user_meta( $user_id, '_woocommerce_pos_refresh_tokens', true ); | |
| 1360 | + if ( ! \is_array( $refresh_tokens ) ) { | |
| 1361 | + return false; | |
| 1362 | + } | |
| 1363 | + | |
| 1364 | + return isset( $refresh_tokens[ $jti ] ) && $refresh_tokens[ $jti ]['expires'] > time(); | |
| 1365 | + } | |
| 1366 | + | |
| 1367 | + /** | |
| 1368 | + * Parse user agent string to extract device information. | |
| 1369 | + * | |
| 1370 | + * @param string $user_agent The user agent string. | |
| 1371 | + * | |
| 1372 | + * @return array | |
| 1373 | + */ | |
| 1374 | + private function parse_user_agent( string $user_agent ): array { | |
| 1375 | + $device_info = array( | |
| 1376 | + 'device_type' => 'unknown', | |
| 1377 | + 'browser' => 'unknown', | |
| 1378 | + 'browser_version' => '', | |
| 1379 | + 'os' => 'unknown', | |
| 1380 | + 'app_type' => 'web', // web, ios_app, android_app, electron_app. | |
| 1381 | + ); | |
| 1382 | + | |
| 1383 | + if ( empty( $user_agent ) ) { | |
| 1384 | + return $device_info; | |
| 1385 | + } | |
| 1386 | + | |
| 1387 | + // Detect WooCommerce POS apps first (custom identifiers) | |
| 1388 | + // Check for Electron app (including just "WooCommercePOS" in user agent with Electron). | |
| 1389 | + if ( preg_match( '/Electron/i', $user_agent ) && preg_match( '/WooCommercePOS|WCPOS/i', $user_agent ) ) { | |
| 1390 | + $device_info['app_type'] = 'electron_app'; | |
| 1391 | + $device_info['browser'] = 'WooCommerce POS'; | |
| 1392 | + $device_info['device_type'] = 'desktop'; | |
| 1393 | + // Try to extract WooCommercePOS version. | |
| 1394 | + if ( preg_match( '/WooCommercePOS[\/\s]([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1395 | + $device_info['browser_version'] = $matches[1]; | |
| 1396 | + } elseif ( preg_match( '/WCPOS[\/\s]([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1397 | + $device_info['browser_version'] = $matches[1]; | |
| 1398 | + } | |
| 1399 | + } elseif ( preg_match( '/WCPOS[-_]?iOS|WooCommercePOS[-_]?iOS/i', $user_agent ) ) { | |
| 1400 | + $device_info['app_type'] = 'ios_app'; | |
| 1401 | + $device_info['browser'] = 'WooCommerce POS'; | |
| 1402 | + // Default to tablet unless explicitly detected as phone. | |
| 1403 | + $device_info['device_type'] = preg_match( '/iphone|ipod/i', $user_agent ) ? 'mobile' : 'tablet'; | |
| 1404 | + if ( preg_match( '/WCPOS[-_]?iOS[\/\s]([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1405 | + $device_info['browser_version'] = $matches[1]; | |
| 1406 | + } elseif ( preg_match( '/WooCommercePOS[\/\s]([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1407 | + $device_info['browser_version'] = $matches[1]; | |
| 1408 | + } | |
| 1409 | + } elseif ( preg_match( '/WCPOS[-_]?Android|WooCommercePOS[-_]?Android/i', $user_agent ) ) { | |
| 1410 | + $device_info['app_type'] = 'android_app'; | |
| 1411 | + $device_info['browser'] = 'WooCommerce POS'; | |
| 1412 | + // Default to tablet unless explicitly detected as mobile. | |
| 1413 | + $device_info['device_type'] = preg_match( '/mobile/i', $user_agent ) && ! preg_match( '/tablet/i', $user_agent ) ? 'mobile' : 'tablet'; | |
| 1414 | + if ( preg_match( '/WCPOS[-_]?Android[\/\s]([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1415 | + $device_info['browser_version'] = $matches[1]; | |
| 1416 | + } elseif ( preg_match( '/WooCommercePOS[\/\s]([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1417 | + $device_info['browser_version'] = $matches[1]; | |
| 1418 | + } | |
| 1419 | + } | |
| 1420 | + | |
| 1421 | + // Detect standard device type (if not already set by app detection). | |
| 1422 | + if ( 'web' === $device_info['app_type'] ) { | |
| 1423 | + if ( preg_match( '/mobile|android|iphone|ipod|blackberry|iemobile|opera mini/i', $user_agent ) ) { | |
| 1424 | + $device_info['device_type'] = 'mobile'; | |
| 1425 | + } elseif ( preg_match( '/tablet|ipad|playbook|silk/i', $user_agent ) ) { | |
| 1426 | + $device_info['device_type'] = 'tablet'; | |
| 1427 | + } else { | |
| 1428 | + $device_info['device_type'] = 'desktop'; | |
| 1429 | + } | |
| 1430 | + } | |
| 1431 | + | |
| 1432 | + // Detect browser (skip if we already detected a WCPOS app). | |
| 1433 | + if ( 'WooCommerce POS' !== $device_info['browser'] ) { | |
| 1434 | + if ( preg_match( '/MSIE|Trident/i', $user_agent ) ) { | |
| 1435 | + $device_info['browser'] = 'Internet Explorer'; | |
| 1436 | + if ( preg_match( '/MSIE ([0-9.]+)/', $user_agent, $matches ) ) { | |
| 1437 | + $device_info['browser_version'] = $matches[1]; | |
| 1438 | + } | |
| 1439 | + } elseif ( preg_match( '/Edge\/([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1440 | + $device_info['browser'] = 'Edge'; | |
| 1441 | + $device_info['browser_version'] = $matches[1]; | |
| 1442 | + } elseif ( preg_match( '/Edg\/([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1443 | + $device_info['browser'] = 'Edge'; | |
| 1444 | + $device_info['browser_version'] = $matches[1]; | |
| 1445 | + } elseif ( preg_match( '/Firefox\/([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1446 | + $device_info['browser'] = 'Firefox'; | |
| 1447 | + $device_info['browser_version'] = $matches[1]; | |
| 1448 | + } elseif ( preg_match( '/Chrome\/([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1449 | + $device_info['browser'] = 'Chrome'; | |
| 1450 | + $device_info['browser_version'] = $matches[1]; | |
| 1451 | + } elseif ( preg_match( '/Safari\/([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1452 | + // Safari should be checked after Chrome because Chrome also contains Safari. | |
| 1453 | + if ( ! preg_match( '/Chrome/i', $user_agent ) ) { | |
| 1454 | + $device_info['browser'] = 'Safari'; | |
| 1455 | + $device_info['browser_version'] = $matches[1]; | |
| 1456 | + } | |
| 1457 | + } elseif ( preg_match( '/Opera\/([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1458 | + $device_info['browser'] = 'Opera'; | |
| 1459 | + $device_info['browser_version'] = $matches[1]; | |
| 1460 | + } | |
| 1461 | + } | |
| 1462 | + | |
| 1463 | + // Detect OS. | |
| 1464 | + if ( preg_match( '/Windows NT ([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1465 | + $device_info['os'] = 'Windows'; | |
| 1466 | + } elseif ( preg_match( '/Mac OS X ([0-9_]+)/i', $user_agent, $matches ) ) { | |
| 1467 | + $device_info['os'] = 'macOS'; | |
| 1468 | + } elseif ( preg_match( '/Android ([0-9.]+)/i', $user_agent, $matches ) ) { | |
| 1469 | + $device_info['os'] = 'Android'; | |
| 1470 | + } elseif ( preg_match( '/iPhone OS ([0-9_]+)/i', $user_agent, $matches ) ) { | |
| 1471 | + $device_info['os'] = 'iOS'; | |
| 1472 | + } elseif ( preg_match( '/iPad.*OS ([0-9_]+)/i', $user_agent, $matches ) ) { | |
| 1473 | + $device_info['os'] = 'iPadOS'; | |
| 1474 | + } elseif ( preg_match( '/Linux/i', $user_agent ) ) { | |
| 1475 | + $device_info['os'] = 'Linux'; | |
| 1476 | + } | |
| 1477 | + | |
| 1478 | + return $device_info; | |
| 915 | 1479 | } |
| 916 | 1480 | |
| 917 | 1481 | /** |
| 918 | 1482 | * Check if a token JTI is blacklisted. |
