github.com/david-imola/snapd@v0.0.0-20210611180407-2de8ddeece6d/usersession/xdgopenproxy/userd_launcher.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2020 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package xdgopenproxy
    21  
    22  import (
    23  	"syscall"
    24  
    25  	"github.com/godbus/dbus"
    26  )
    27  
    28  const (
    29  	userdLauncherBusName    = "io.snapcraft.Launcher"
    30  	userdLauncherObjectPath = "/io/snapcraft/Launcher"
    31  	userdLauncherIface      = "io.snapcraft.Launcher"
    32  )
    33  
    34  // userdLauncher is a launcher that forwards the requests to `snap userd` DBus API
    35  type userdLauncher struct{}
    36  
    37  func (s *userdLauncher) OpenFile(bus *dbus.Conn, filename string) error {
    38  	fd, err := syscall.Open(filename, syscall.O_RDONLY, 0)
    39  	if err != nil {
    40  		return err
    41  	}
    42  	defer syscall.Close(fd)
    43  
    44  	launcher := bus.Object(userdLauncherBusName, userdLauncherObjectPath)
    45  	return launcher.Call(userdLauncherIface+".OpenFile", 0, "", dbus.UnixFD(fd)).Store()
    46  }
    47  
    48  func (s *userdLauncher) OpenURI(bus *dbus.Conn, path string) error {
    49  	launcher := bus.Object(userdLauncherBusName, userdLauncherObjectPath)
    50  	return launcher.Call("io.snapcraft.Launcher.OpenURL", 0, path).Store()
    51  }