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| wpcom_has_features_edge_sticker | |
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| wpcom_is_rtc_http_polling_rollout | |
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| wpcom_is_rtc_websocket_rollout | |
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| wpcom_rtc_is_desktop_app | |
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| wpcom_enable_rtc | |
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| wpcom_rtc_providers | |
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| 1 | <?php |
| 2 | /** |
| 3 | * Real-time Collaboration (RTC) integration. |
| 4 | * |
| 5 | * Enables the RTC package based on the site's features. |
| 6 | * |
| 7 | * @package automattic/jetpack-mu-wpcom |
| 8 | */ |
| 9 | |
| 10 | /** |
| 11 | * Check if the current site has the `wpcom-features-edge` sticker. |
| 12 | * |
| 13 | * @return bool|mixed |
| 14 | */ |
| 15 | function wpcom_has_features_edge_sticker() { |
| 16 | $sticker = 'wpcom-features-edge'; |
| 17 | if ( defined( 'IS_ATOMIC' ) && IS_ATOMIC && function_exists( 'wpcomsh_is_site_sticker_active' ) ) { |
| 18 | return wpcomsh_is_site_sticker_active( $sticker ); |
| 19 | } elseif ( function_exists( 'has_blog_sticker' ) ) { |
| 20 | return has_blog_sticker( $sticker, get_wpcom_blog_id() ); |
| 21 | } |
| 22 | return false; |
| 23 | } |
| 24 | |
| 25 | /** |
| 26 | * Determine if the site is part of the HTTP-polling gradual rollout. |
| 27 | * |
| 28 | * @return bool |
| 29 | */ |
| 30 | function wpcom_is_rtc_http_polling_rollout() { |
| 31 | if ( |
| 32 | defined( 'IS_ATOMIC' ) && IS_ATOMIC && |
| 33 | ! wpcom_has_features_edge_sticker() // Sites with the sticker should use WS. |
| 34 | ) { |
| 35 | return true; |
| 36 | } |
| 37 | return false; |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Determine if the site is part of the HTTP-polling gradual rollout. |
| 42 | * |
| 43 | * @return bool |
| 44 | */ |
| 45 | function wpcom_is_rtc_websocket_rollout() { |
| 46 | if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
| 47 | return true; |
| 48 | } |
| 49 | return false; |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Determine whether the current request is from the WordPress.com desktop app. |
| 54 | * |
| 55 | * @return bool |
| 56 | */ |
| 57 | function wpcom_rtc_is_desktop_app() { |
| 58 | if ( ! isset( $_SERVER['HTTP_USER_AGENT'] ) ) { |
| 59 | return false; |
| 60 | } |
| 61 | $user_agent = sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ); |
| 62 | return false !== strpos( $user_agent, 'WordPressDesktop' ); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Determine whether RTC should be enabled based on the site's features. |
| 67 | * |
| 68 | * @return bool |
| 69 | */ |
| 70 | function wpcom_enable_rtc() { |
| 71 | // Disable RTC on the desktop app due to an incompatibility. |
| 72 | if ( wpcom_rtc_is_desktop_app() ) { |
| 73 | return false; |
| 74 | } |
| 75 | $has_rtc_feature = false; |
| 76 | if ( function_exists( 'wpcom_site_has_feature' ) && class_exists( 'WPCOM_Features' ) && defined( 'WPCOM_Features::REAL_TIME_COLLABORATION' ) ) { |
| 77 | $blog_id = get_wpcom_blog_id(); |
| 78 | $has_rtc_feature = wpcom_site_has_feature( \WPCOM_Features::REAL_TIME_COLLABORATION, $blog_id ); |
| 79 | } |
| 80 | |
| 81 | if ( ! $has_rtc_feature ) { |
| 82 | return false; |
| 83 | } |
| 84 | |
| 85 | $has_needed_gutenberg_version = defined( 'GUTENBERG_VERSION' ) && is_string( GUTENBERG_VERSION ) && version_compare( (string) GUTENBERG_VERSION, '22.7.0', '>=' ); |
| 86 | |
| 87 | if ( ! $has_needed_gutenberg_version ) { |
| 88 | return false; |
| 89 | } |
| 90 | |
| 91 | if ( wpcom_is_rtc_http_polling_rollout() || wpcom_is_rtc_websocket_rollout() ) { |
| 92 | return true; |
| 93 | } |
| 94 | |
| 95 | if ( wpcom_has_features_edge_sticker() ) { |
| 96 | return true; |
| 97 | } |
| 98 | |
| 99 | return false; |
| 100 | } |
| 101 | add_filter( 'jetpack_rtc_enabled', 'wpcom_enable_rtc' ); |
| 102 | |
| 103 | /** |
| 104 | * Filters the list of Real-Time Communication (RTC) providers. |
| 105 | * |
| 106 | * @param array $providers An array of available RTC providers. |
| 107 | * |
| 108 | * @return array Modified array of RTC providers, enforcing 'http-polling' if necessary. |
| 109 | */ |
| 110 | function wpcom_rtc_providers( $providers ) { |
| 111 | if ( wpcom_is_rtc_http_polling_rollout() ) { |
| 112 | return array( 'http-polling' ); |
| 113 | } |
| 114 | return $providers; |
| 115 | } |
| 116 | add_filter( 'jetpack_rtc_providers', 'wpcom_rtc_providers' ); |
| 117 | |
| 118 | add_filter( 'jetpack_rtc_enable_limit_notices', '__return_false', 99 ); |
| 119 | |
| 120 | \Automattic\Jetpack\RTC::init(); |