dbus-notify.ts

const auth = new TextEncoder().encode("\x00AUTH EXTERNAL 31303030\r\nBEGIN\r\n");

/*
‣ Type=method_call  Endian=l  Flags=0  Version=1 Cookie=1
  Sender=:1.1180  Destination=org.freedesktop.DBus  Path=/org/freedesktop/DBus  Interface=org.freedesktop.DBus  Member=Hello
  UniqueName=:1.1180
  MESSAGE "" {
  };
*/
const hello = new Uint8Array([
  0x6c, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x6e,
  0x00, 0x00, 0x00, 0x01, 0x01, 0x6f, 0x00, 0x15, 0x00, 0x00, 0x00, 0x2f, 0x6f,
  0x72, 0x67, 0x2f, 0x66, 0x72, 0x65, 0x65, 0x64, 0x65, 0x73, 0x6b, 0x74, 0x6f,
  0x70, 0x2f, 0x44, 0x42, 0x75, 0x73, 0x00, 0x00, 0x00, 0x06, 0x01, 0x73, 0x00,
  0x14, 0x00, 0x00, 0x00, 0x6f, 0x72, 0x67, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64,
  0x65, 0x73, 0x6b, 0x74, 0x6f, 0x70, 0x2e, 0x44, 0x42, 0x75, 0x73, 0x00, 0x00,
  0x00, 0x00, 0x02, 0x01, 0x73, 0x00, 0x14, 0x00, 0x00, 0x00, 0x6f, 0x72, 0x67,
  0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x65, 0x73, 0x6b, 0x74, 0x6f, 0x70, 0x2e,
  0x44, 0x42, 0x75, 0x73, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01, 0x73, 0x00, 0x05,
  0x00, 0x00, 0x00, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x00, 0x00, 0x00
]);

/*
‣ Type=method_call  Endian=l  Flags=4  Version=1 Cookie=2
  Sender=:1.1180  Destination=org.freedesktop.Notifications  Path=/org/freedesktop/Notifications  Interface=org.freedesktop.Notifications  Member=Notify
  UniqueName=:1.1180
  MESSAGE "susssasa{sv}i" {
          STRING "Deno";
          UINT32 0;
          STRING "";
          STRING "";
          STRING "Hello from Deno";
          ARRAY "s" {
          };
          ARRAY "{sv}" {
          };
          INT32 5000;
  };
*/
const notify = new Uint8Array([
  0x6c, 0x01, 0x04, 0x01, 0x44, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0xaf,
  0x00, 0x00, 0x00, 0x01, 0x01, 0x6f, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x2f, 0x6f,
  0x72, 0x67, 0x2f, 0x66, 0x72, 0x65, 0x65, 0x64, 0x65, 0x73, 0x6b, 0x74, 0x6f,
  0x70, 0x2f, 0x4e, 0x6f, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f,
  0x6e, 0x73, 0x00, 0x00, 0x03, 0x01, 0x73, 0x00, 0x06, 0x00, 0x00, 0x00, 0x4e,
  0x6f, 0x74, 0x69, 0x66, 0x79, 0x00, 0x00, 0x02, 0x01, 0x73, 0x00, 0x1d, 0x00,
  0x00, 0x00, 0x6f, 0x72, 0x67, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x65, 0x73,
  0x6b, 0x74, 0x6f, 0x70, 0x2e, 0x4e, 0x6f, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61,
  0x74, 0x69, 0x6f, 0x6e, 0x73, 0x00, 0x00, 0x00, 0x06, 0x01, 0x73, 0x00, 0x1d,
  0x00, 0x00, 0x00, 0x6f, 0x72, 0x67, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x65,
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  0x69, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x01, 0x73, 0x00, 0x06, 0x00,
  0x00, 0x00, 0x3a, 0x31, 0x2e, 0x38, 0x35, 0x39, 0x00, 0x00, 0x04, 0x00, 0x00,
  0x00, 0x44, 0x65, 0x6e, 0x6f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20,
  0x66, 0x72, 0x6f, 0x6d, 0x20, 0x44, 0x65, 0x6e, 0x6f, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x13, 0x00, 0x00
]);

const conn = await Deno.connect({
  transport: "unix",
  path: "/run/user/1000/bus",
});

await Deno.writeAll(conn, auth);
await Deno.writeAll(conn, hello);
await Deno.writeAll(conn, notify);
await new Promise((resolve) => setTimeout(resolve, 1000));
conn.close();