create new translation branch for v0.4

translation-base-v0.4/plugins/volume_chpasswd/volume_chpasswd.py

@@ -0,0 +1,91 @@
+#
+# Copyright 2006 sense.lab e.V.
+# 
+# This file is part of the CryptoBox.
+#
+# The CryptoBox is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# The CryptoBox is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the CryptoBox; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+__revision__ = "$Id$"
+
+import cryptobox.plugins.base
+from cryptobox.core.exceptions import *
+
+
+class volume_chpasswd(cryptobox.plugins.base.CryptoBoxPlugin):
+
+    plugin_capabilities = [ "volume" ]
+    plugin_visibility = [ "properties" ]
+    request_auth = False
+    rank = 70
+
+
+    def do_action(self, store=None, old_pw=None, new_pw=None, new_pw2=None):
+        self.container = self.cbox.get_container(self.device)
+        if not self.container:
+            return None
+        elif store == "change_pw":
+            return self.__change_password(old_pw, new_pw, new_pw2)
+        elif not store:
+            return "volume_chpasswd"
+        else:
+            self.cbox.log.info("plugin 'volume_chpasswd' - unknown action: %s" % store)
+            return "volume_chpasswd"
+    
+
+    def get_status(self):
+        """chpasswd doesn't give any useful status information, other
+            than True
+        """
+        return True
+
+    
+    def is_useful(self, device):
+        from cryptobox.core.container import CONTAINERTYPES as cont_types
+        cont = self.cbox.get_container(device)
+        if not cont:
+            return False
+        if cont.get_type() == cont_types["luks"]:
+            return True
+        return False
+    
+
+    def __change_password(self, old_pw, new_pw, new_pw2):
+        if not old_pw:
+            self.hdf["Data.Warning"] = "EmptyPassword"
+        elif not new_pw:
+            self.hdf["Data.Warning"] = "EmptyNewPassword"
+        elif new_pw != new_pw2:
+            self.hdf["Data.Warning"] = "DifferentPasswords"
+        elif old_pw == new_pw:
+            ## do nothing
+            pass
+        else:
+            try:
+                self.container.change_password(old_pw, new_pw)
+            except CBInvalidType, err_msg:
+                self.cbox.log.info("plugin 'volume_chpasswd' - cannot change " \
+                        + "passphrase for non-encrypted container (%s): %s" \
+                        % (self.device, err_msg))
+            except CBVolumeIsActive:
+                self.hdf["Data.Warning"] = "VolumeMayNotBeMounted"
+            except CBChangePasswordError, err_msg:
+                self.cbox.log.warn("plugin 'volume_chpasswd' - cannot change " \
+                        + "password for device (%s): %s" % (self.device, err_msg))
+                self.hdf["Data.Warning"] = "Plugins.volume_chpasswd.PasswordChange"
+            else:
+                self.hdf["Data.Success"] = "Plugins.volume_chpasswd.PasswordChange"
+        return "volume_chpasswd"
+