def do_control_file_command(self, command_type, client_uuids, filename, source_flag_name, send_file_args):
#find the clients:
sources = self._control_get_sources(client_uuids)
if not sources:
raise ControlError("no clients found matching: %s" % client_uuids)
#find the file and load it:
actual_filename = os.path.abspath(os.path.expanduser(filename))
try:
stat = os.stat(actual_filename)
log("os.stat(%s)=%s", actual_filename, stat)
except os.error:
log("os.stat(%s)", actual_filename, exc_info=True)
if not os.path.exists(actual_filename):
raise ControlError("file '%s' does not exist" % filename)
data = load_binary_file(actual_filename)
#verify size:
file_size = len(data)
file_size_MB = file_size//1024//1024
if file_size_MB>self.file_transfer.file_size_limit:
raise ControlError("file '%s' is too large: %iMB (limit is %iMB)" % (
filename, file_size_MB, self.file_transfer.file_size_limit))
#send it to each client:
for ss in sources:
#ie: ServerSource.file_transfer (found in FileTransferAttributes)
if not getattr(ss, source_flag_name):
log.warn("Warning: cannot %s '%s'", command_type, filename)
log.warn(" client %s does not support this feature", ss)
elif file_size_MB>ss.file_size_limit:
log.warn("Warning: cannot %s '%s'", command_type, filename)
log.warn(" client %s file size limit is %iMB (file is %iMB)", ss, ss.file_size_limit, file_size_MB)
else:
ss.send_file(filename, "", data, file_size, *send_file_args)
return "%s of '%s' to %s initiated" % (command_type, filename, client_uuids)
def control_command_key(self, keycode_str, press=True):
if self.readonly:
return
try:
if keycode_str.startswith("0x"):
keycode = int(keycode_str, 16)
else:
keycode = int(keycode_str)
except ValueError:
raise ControlError(
"invalid keycode specified: '%s' (not a number)" %
keycode_str) from None
if keycode <= 0 or keycode >= 255:
raise ControlError(
"invalid keycode value: '%s' (must be between 1 and 255)" %
keycode_str)
if press is not True:
if press in ("1", "press"):
press = True
elif press in ("0", "unpress"):
press = False
else:
raise ControlError(
"if present, the press argument must be one of: %s" % csv(
("1", "press", "0", "unpress")))
self.fake_key(keycode, press)
def do_control_command_start(self, ignore, *args):
if not self.start_new_commands:
raise ControlError("this feature is currently disabled")
proc = self.start_command(" ".join(args), args, ignore, shell=True)
if not proc:
raise ControlError("failed to start new child command %s" % str(args))
return "new %scommand started with pid=%s" % (["child ", ""][ignore], proc.pid)
def control_command_workspace(self, wid, workspace):
window = self._id_to_window.get(wid)
if not window:
raise ControlError("window %s does not exist", wid)
if "workspace" not in window.get_property_names():
raise ControlError("cannot set workspace on window %s", window)
if workspace<0:
raise ControlError("invalid workspace value: %s", workspace)
window.set_property("workspace", workspace)
return "window %s moved to workspace %s" % (wid, workspace)
def do_control_file_command(self, command_type, client_uuids, filename,
source_flag_name, send_file_args):
#find the clients:
sources = self._control_get_sources(client_uuids)
if not sources:
raise ControlError("no clients found matching: %s" % client_uuids)
def checksize(file_size):
if file_size > self.file_transfer.file_size_limit:
raise ControlError(
"file '%s' is too large: %sB (limit is %sB)" %
(filename, std_unit(file_size),
std_unit(self.file_transfer.file_size_limit)))
#find the file and load it:
actual_filename = os.path.abspath(os.path.expanduser(filename))
try:
stat = os.stat(actual_filename)
log("os.stat(%s)=%s", actual_filename, stat)
except os.error:
log("os.stat(%s)", actual_filename, exc_info=True)
else:
checksize(stat.st_size)
if not os.path.exists(actual_filename):
raise ControlError("file '%s' does not exist" % filename)
data = load_binary_file(actual_filename)
if data is None:
raise ControlError("failed to load '%s'" % actual_filename)
#verify size:
file_size = len(data)
checksize(file_size)
#send it to each client:
for ss in sources:
#ie: ServerSource.file_transfer (found in FileTransferAttributes)
if not getattr(ss, source_flag_name, False):
#skip the warning if the client is not interactive
#(for now just check for 'top' client):
if ss.client_type == "top":
l = log
else:
l = log.warn
l("Warning: cannot %s '%s' to %s client", command_type,
filename, ss.client_type)
l(" client %s does not support this feature", ss.uuid)
elif file_size > ss.file_size_limit:
log.warn("Warning: cannot %s '%s'", command_type, filename)
log.warn(" client %s file size limit is %sB (file is %sB)", ss,
std_unit(ss.file_size_limit), std_unit(file_size))
else:
ss.send_file(filename, "", data, file_size, *send_file_args)
return "%s of '%s' to %s initiated" % (command_type, filename,
client_uuids)
def checksize(file_size):
file_size_MB = file_size // 1024 // 1024
if file_size_MB > self.file_transfer.file_size_limit:
raise ControlError(
"file '%s' is too large: %iMB (limit is %iMB)" %
(filename, file_size_MB,
self.file_transfer.file_size_limit))
def _control_windowsources_from_args(self, *args):
#converts the args to valid window ids,
#then returns all the window sources for those wids
if len(args)==0 or len(args)==1 and args[0]=="*":
#default to all if unspecified:
wids = tuple(self._id_to_window.keys())
else:
wids = []
for x in args:
try:
wid = int(x)
except:
raise ControlError("invalid window id: %s" % x)
if wid in self._id_to_window:
wids.append(wid)
else:
log("window id %s does not exist", wid)
wss = {}
for csource in tuple(self._server_sources.values()):
for wid in wids:
ws = csource.window_sources.get(wid)
window = self._id_to_window.get(wid)
if window and ws:
wss[ws] = window
return wss
def parse_boolean_value(v):
if str(v).lower() in TRUE_OPTIONS:
return True
elif str(v).lower() in FALSE_OPTIONS:
return False
else:
raise ControlError("a boolean is required, not %s" % v)
def control_command_key(self, keycode_str, press = True):
if self.readonly:
return
try:
if keycode_str.startswith("0x"):
keycode = int(keycode_str, 16)
else:
keycode = int(keycode_str)
assert keycode>0 and keycode<=255
except:
raise ControlError("invalid keycode specified: '%s' (must be a number between 1 and 255)" % keycode_str)
if press is not True:
if press in ("1", "press"):
press = True
elif press in ("0", "unpress"):
press = False
else:
raise ControlError("if present, the press argument must be one of: %s", ("1", "press", "0", "unpress"))
self.fake_key(keycode, press)
def control_command_encoder(self, encoder):
e = encoder.lower()
from xpra.net import packet_encoding
opts = packet_encoding.get_enabled_encoders() #ie: [rencode, bencode, yaml]
if e not in opts:
raise ControlError("encoder argument must be one of: %s" % csv(opts))
for cproto in tuple(self._server_sources.keys()):
cproto.enable_encoder(e)
self.all_send_client_command("enable_%s" % e)
return "encoders set to %s" % encoder
def control_command_compression(self, compression):
c = compression.lower()
from xpra.net import compression
opts = compression.get_enabled_compressors() #ie: [lz4, lzo, zlib]
if c not in opts:
raise ControlError("compressor argument must be one of: %s" % csv(opts))
for cproto in tuple(self._server_sources.keys()):
cproto.enable_compressor(c)
self.all_send_client_command("enable_%s" % c)
return "compressors set to %s" % compression
def control_command_open_url(self, url, client_uuids="*"):
#find the clients:
sources = self._control_get_sources(client_uuids)
if not sources:
raise ControlError("no clients found matching: %s" % client_uuids)
clients = 0
for ss in sources:
if ss.send_open_url(url):
clients += 1
return "url sent to %i clients" % clients
def handle_stop_command(self, *args):
display = args[0]
log("stop command: will try to find proxy process for display %s", display)
for process, v in self.processes.items():
disp,mq = v
if disp==display:
pid = process.pid
log.info("stop command: found process %s with pid %s for display %s, sending it 'stop' request", process, pid, display)
mq.put("stop")
return "stopped proxy process with pid %s" % pid
raise ControlError("no proxy found for display %s" % display)
def control_command_moveresize(self, wid, x, y, w, h):
window = self._id_to_window.get(wid)
if not window:
raise ControlError("window %s does not exist" % wid)
count = 0
for source in tuple(self._server_sources.values()):
move_resize_window = getattr(source, "move_resize_window", None)
if move_resize_window:
move_resize_window(wid, window, x, y, w, h)
count += 1
return "window %s moved to %i,%i and resized to %ix%i for %i clients" % (wid, x, y, w, h, count)
def _control_video_subregions_from_wid(self, wid):
if wid not in self._id_to_window:
raise ControlError("invalid window %i" % wid)
video_subregions = []
for ws in self._control_windowsources_from_args(wid).keys():
vs = getattr(ws, "video_subregion", None)
if not vs:
log.warn("Warning: cannot set video region enabled flag on window %i:", wid)
log.warn(" no video subregion attribute found in %s", type(ws))
continue
video_subregions.append(vs)
#log("_control_video_subregions_from_wid(%s)=%s", wid, video_subregions)
return video_subregions
def handle_stop_command(self, *args):
display = args[0]
log("stop command: will try to find proxy process for display %s",
display)
for instance, v in dict(self.instances).items():
_, disp, _ = v
if disp == display:
log.info(
"stop command: found matching process %s with pid %i for display %s",
instance, instance.pid, display)
self.stop_proxy(instance)
return "stopped proxy instance for display %s" % display
raise ControlError("no proxy found for display %s" % display)
def control_command_delete(self, wid):
window = self._id_to_window.get(wid)
if not window:
raise ControlError("window %s does not exist" % wid)
window.send_delete()
return "requested window %s deleted" % window
def checksize(file_size):
if file_size>self.file_transfer.file_size_limit:
raise ControlError("file '%s' is too large: %sB (limit is %sB)" % (
filename, std_unit(file_size), std_unit(self.file_transfer.file_size_limit)))
