def create(self, password):
"""Encrypt a folder"""
if len(password) == 0:
raise exc.NullPassword()
if os.path.exists( os.path.join(self.device, KEYFILE) ):
print self.device
raise exc.AlreadyExists()
if not os.path.exists(self.mountpoint):
os.makedirs(self.mountpoint)
os.makedirs(self.device)
param = "%(mode)s\n%(pass)s\n" % {"mode": MODE, "pass": password}
p1 = subprocess.Popen([ECHO, "-e", param], stdout=subprocess.PIPE)
p2 = subprocess.Popen([ENCFS, "-S", self.device,\
self.mountpoint], stdin=p1.stdout, stdout=subprocess.PIPE)
p2.communicate(param)[0]
if p2.returncode is not 0:
raise exc.BadPassword()
self.umount()
return (not bool(p2.returncode))
def make_backup(self, password, target):
ok, stdout, stderr = self.call_command( "backup", params=(self.device,),
input = self._MAKE_BACKUP_PARAMS % locals())
if "Incorrect password" in stdout:
raise exc.BadPassword("Incorrect password")
return ok
def mount(self, password):
ok, stdout, stderr = self.call_command("mount",
params=(password, self.device,
self.mountpoint))
if stdout.startswith("Incorrect password"):
raise exc.BadPassword("Incorrect password")
return ok
def restore_backup(self, password, backup):
ok, stdout, stderr = self.call_command(
"restore",
params=(self.device, ),
input=self._RESTORE_BACKUP_PARAMS % locals())
if "Incorrect password" in stderr:
raise exc.BadPassword("Incorrect password")
return ok
def change_password(self, old, new):
"""Change password"""
param = "%(old)s\n%(new)s\n" % {"old": old, "new" : new}
p1 = subprocess.Popen([ECHO, "-e", param],\
stdout=subprocess.PIPE)
p2 = subprocess.Popen([ENCFSCTL, "autopasswd", self.device],\
stdin=p1.stdout, stdout=subprocess.PIPE)
p2.communicate()[0]
if p2.returncode is not 0:
raise exc.BadPassword()
return (not bool(p2.returncode))
def mount(self, password, idle=None):
"""Mount an encrypted folder"""
if self.is_mounted():
return
p1 = subprocess.Popen([ECHO, password],\
stdout=subprocess.PIPE)
if idle == None:
p2 = subprocess.Popen([ENCFS, "-S", self.device,\
self.mountpoint, "--", "-o", "nonempty"],\
stdin=p1.stdout, stdout=subprocess.PIPE)
else:
p2 = subprocess.Popen([ENCFS, "-S", self.device, "-i",\
str(idle), self.mountpoint, "--", "-o", "nonempty"],\
stdin=p1.stdout, stdout=subprocess.PIPE)
p3 = p2.communicate(password + "\n")[0]
if p2.returncode is not 0:
raise exc.BadPassword()
return (not bool(p2.returncode))