bwbox/lib/dbus.nim

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2021-06-27 16:46:29 +02:00
import strformat
import options
import config
import osproc
import random
import os
type DbusProxy* = object
process*: Process
socket*: string
args: seq[string]
proc exec*(proxy: DbusProxy): Process =
# todo: start dbus proxy in bwrap
# todo: pass arguments as fd
startProcess("xdg-dbus-proxy", args = proxy.args,
options = {poEchoCmd, poParentStreams, poUsePath})
proc startDBusProxy*(config: Config, hostname: string): DbusProxy =
let busPath = getEnv("DBUS_SESSION_BUS_ADDRESS")
let runtimeDir = getEnv("XDG_RUNTIME_DIR")
if busPath == "" or runtimeDir == "":
raise newException(IOError, "DBUS_SESSION_BUS_ADDRESS and XDG_RUNTIME_DIR are required")
let id = rand(1000)
let filterName = &"dbus-proxy-{hostname}-{id}"
var proxy = DbusProxy()
proxy.socket = &"{runtimeDir}/{filterName}"
proxy.args.add(busPath)
proxy.args.add(proxy.socket)
for name in config.dbussee.get(@[]):
proxy.args.add(&"--see={name}")
for name in config.dbustalk.get(@[]):
proxy.args.add(&"--talk={name}")
for name in config.dbuscall.get(@[]):
proxy.args.add(&"--call={name}")
for name in config.dbusown.get(@[]):
proxy.args.add(&"--own={name}")
for name in config.dbusbroadcast.get(@[]):
proxy.args.add(&"--broadcast={name}")
proxy.args.add("--filter")
proxy.args.add("--log")
proxy.process = proxy.exec()
proxy