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| 1 | <?php |
| 2 | /** |
| 3 | * WordPress.com Smart Dictation |
| 4 | * |
| 5 | * @package automattic/jetpack-mu-wpcom |
| 6 | */ |
| 7 | |
| 8 | namespace A8C\FSE; |
| 9 | |
| 10 | use Automattic\Jetpack\Status\Host; |
| 11 | |
| 12 | /** |
| 13 | * Class WPCOM_Smart_Dictation |
| 14 | */ |
| 15 | class WPCOM_Smart_Dictation { |
| 16 | /** |
| 17 | * WPCOM_Smart_Dictation constructor. |
| 18 | */ |
| 19 | public static function init() { |
| 20 | add_action( 'admin_enqueue_scripts', array( self::class, 'enqueue_scripts' ), 100 ); |
| 21 | } |
| 22 | |
| 23 | /** |
| 24 | * Returns whether the current request is coming from the a8c proxy. |
| 25 | */ |
| 26 | private static function is_proxied() { |
| 27 | return isset( $_SERVER['A8C_PROXIED_REQUEST'] ) |
| 28 | ? sanitize_text_field( wp_unslash( $_SERVER['A8C_PROXIED_REQUEST'] ) ) |
| 29 | : defined( 'A8C_PROXIED_REQUEST' ) && A8C_PROXIED_REQUEST; |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * Returns true if the current screen if the block editor. |
| 34 | */ |
| 35 | public static function is_block_editor() { |
| 36 | global $current_screen; |
| 37 | |
| 38 | if ( ! $current_screen ) { |
| 39 | return false; |
| 40 | } |
| 41 | |
| 42 | return $current_screen->is_block_editor() && $current_screen->id !== 'widgets'; |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Returns ISO 639 conforming locale string of the current user. |
| 47 | * |
| 48 | * @return string ISO 639 locale string e.g. "en" |
| 49 | */ |
| 50 | private static function determine_iso_639_locale() { |
| 51 | $language = get_user_locale(); |
| 52 | $language = strtolower( $language ); |
| 53 | |
| 54 | if ( in_array( $language, array( 'pt_br', 'pt-br', 'zh_tw', 'zh-tw', 'zh_cn', 'zh-cn' ), true ) ) { |
| 55 | $language = str_replace( '_', '-', $language ); |
| 56 | } else { |
| 57 | $language = preg_replace( '/([-_].*)$/i', '', $language ); |
| 58 | } |
| 59 | |
| 60 | if ( empty( $language ) ) { |
| 61 | return 'en'; |
| 62 | } |
| 63 | |
| 64 | return $language; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Enqueue the Smart Dictation assets. |
| 69 | */ |
| 70 | public static function enqueue_scripts() { |
| 71 | $is_simple_site = ( new Host() )->is_wpcom_simple(); |
| 72 | if ( ! $is_simple_site ) { |
| 73 | return; |
| 74 | } |
| 75 | |
| 76 | $asset_file = self::get_assets_json( 'widgets.wp.com/wpcom-smart-dictation/wpcom-smart-dictation.asset.json' ); |
| 77 | $is_proxied = self::is_proxied(); |
| 78 | $is_a11n = function_exists( '\is_automattician' ) && \is_automattician(); |
| 79 | |
| 80 | if ( self::is_block_editor() && $is_proxied && $is_a11n ) { |
| 81 | $version = ( is_array( $asset_file ) && isset( $asset_file['version'] ) ) |
| 82 | ? $asset_file['version'] |
| 83 | : false; |
| 84 | wp_enqueue_script( |
| 85 | 'wpcom-smart-dictation', |
| 86 | 'https://widgets.wp.com/wpcom-smart-dictation/wpcom-smart-dictation.min.js', |
| 87 | array(), |
| 88 | $version, |
| 89 | true |
| 90 | ); |
| 91 | |
| 92 | $user_id = get_current_user_id(); |
| 93 | $user_data = get_userdata( $user_id ); |
| 94 | $username = $user_data ? $user_data->user_login : null; |
| 95 | $user_email = $user_data ? $user_data->user_email : null; |
| 96 | $display_name = $user_data ? $user_data->display_name : null; |
| 97 | $avatar_url = $user_data ? ( function_exists( 'wpcom_get_avatar_url' ) ? wpcom_get_avatar_url( $user_email, 64, '', true )[0] : get_avatar_url( $user_id ) ) : null; |
| 98 | |
| 99 | wp_add_inline_script( |
| 100 | 'wpcom-smart-dictation', |
| 101 | 'if ( typeof wpcomSmartDictationData === "undefined" ) { var wpcomSmartDictationData = ' . wp_json_encode( |
| 102 | array( |
| 103 | 'isProxied' => boolval( self::is_proxied() ), |
| 104 | 'currentUser' => array( |
| 105 | 'ID' => $user_id, |
| 106 | 'username' => $username, |
| 107 | 'display_name' => $display_name, |
| 108 | 'avatar_URL' => $avatar_url, |
| 109 | 'email' => $user_email, |
| 110 | 'is_a11n' => $is_a11n, |
| 111 | ), |
| 112 | 'locale' => self::determine_iso_639_locale(), |
| 113 | ), |
| 114 | JSON_UNESCAPED_SLASHES | JSON_HEX_TAG | JSON_HEX_AMP |
| 115 | ) . '; }', |
| 116 | 'before' |
| 117 | ); |
| 118 | |
| 119 | wp_enqueue_style( |
| 120 | 'wpcom-smart-dictation-style', |
| 121 | 'https://widgets.wp.com/wpcom-smart-dictation/wpcom-smart-dictation.css', |
| 122 | array(), |
| 123 | $version |
| 124 | ); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Get the asset via file-system on wpcom and via network on Atomic sites. |
| 130 | * |
| 131 | * Checks a transient cache of successful remote fetches before the filesystem or a new HTTP request. |
| 132 | * Failures are not cached. |
| 133 | * |
| 134 | * @param string $filepath The path to the asset file. |
| 135 | * @return array|null Decoded manifest, or null when JSON is invalid or empty. |
| 136 | */ |
| 137 | private static function get_assets_json( $filepath ) { |
| 138 | $local_path = ABSPATH . $filepath; |
| 139 | |
| 140 | if ( file_exists( $local_path ) ) { |
| 141 | // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- Reading a local file, not a remote URL. |
| 142 | return json_decode( file_get_contents( $local_path ), true ); |
| 143 | } |
| 144 | |
| 145 | $cache_key = 'jetpack_mu_wpcom_sd_asset_' . md5( $filepath ); |
| 146 | $cached = get_transient( $cache_key ); |
| 147 | |
| 148 | if ( is_array( $cached ) ) { |
| 149 | return $cached; |
| 150 | } |
| 151 | |
| 152 | $request = wp_remote_get( |
| 153 | 'https://' . $filepath, |
| 154 | array( 'timeout' => 10 ) |
| 155 | ); |
| 156 | |
| 157 | $decoded = json_decode( wp_remote_retrieve_body( $request ), true ); |
| 158 | if ( is_array( $decoded ) ) { |
| 159 | set_transient( $cache_key, $decoded, 12 * HOUR_IN_SECONDS ); |
| 160 | } |
| 161 | return $decoded; |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | add_action( 'init', array( __NAMESPACE__ . '\WPCOM_Smart_Dictation', 'init' ) ); |