Added new class PINChanger for setting a new PIN
git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@241 96b47cad-a561-4643-ad3b-153ac7d7599c
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oepen
@@ -110,12 +110,13 @@ class MokoWindow(gtk.Window):
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class MsgBox(gtk.Dialog):
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"""The gtk.MessageDialog looks like crap on the Moko, so we write our own"""
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def __init__(self, parent, msg, img_type, flags):
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def __init__(self, parent, msg, img_type):
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#img is a string which is used as a key for the IMAGES dictionary
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if img_type is not None:
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assert IMAGES.has_key(img_type)
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super(MsgBox, self).__init__(title="", parent=parent, flags=flags)
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super(MsgBox, self).__init__(title="", parent=parent,
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flags= gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT)
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#Dialog will be resized to screen width no matter what. Therefore we
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#use the whole width from the beginning to avoid being resized
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@@ -309,7 +310,7 @@ class CVCWindow(MokoWindow):
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return hex_str[:-1]
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class PinpadGTK:
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class PinpadGTK(object):
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"""This a simple GTK based GUI to enter a PIN/PUK/CAN"""
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def __init__(self, secret="pin", chat=None, cert=None):
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@@ -339,7 +340,7 @@ class PinpadGTK:
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except glib.GError, err:
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#If we encounter an exception at startup, we display a popup with
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#the error message
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popup = MsgBox(None, err.message, "error", None)
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popup = MsgBox(None, err.message, "error")
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popup.run()
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popup.destroy()
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raise err
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@@ -498,7 +499,7 @@ class PinpadGTK:
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close_fds=True)
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except OSError:
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popup = MsgBox(self.window, "pace-tool wurde nicht gefunden",
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"error", gtk.DIALOG_DESTROY_WITH_PARENT)
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"error")
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popup.run()
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popup.destroy()
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self.cardChecker.resume() #Restart cardChecker
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@@ -529,17 +530,109 @@ class PinpadGTK:
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self.cardChecker.resume()
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if (ret == 0):
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popup = MsgBox(self.window, "Pin wurde korrekt eingegeben", "apply",
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gtk.DIALOG_DESTROY_WITH_PARENT)
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popup = MsgBox(self.window, "Pin wurde korrekt eingegeben", "apply")
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popup.run()
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popup.destroy()
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#XXX: Actually we should return to the application that started
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#the PIN entry
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self.shutdown(None)
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else:
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popup = MsgBox(self.window, "PIN wurde falsch eingegeben", "error",
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gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT)
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popup = MsgBox(self.window, "PIN wurde falsch eingegeben", "error")
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popup.run()
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popup.destroy()
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self.output.set_text(self.secret_len * "_")
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self.pin = ""
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class PINChanger(PinpadGTK):
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"""Window that allows the user to change the PIN of his or her card
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This is basically a simple state machine similiar to this chain:
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start->old_pin->new_pin1->new_pin2->end"""
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def __init__(self):
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super(PINChanger, self).__init__(secret="pin")
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self.states = ("old_pin", "first_new_pin", "second_new_pin")
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self.state = 0
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self.__old_pin = ""
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self.__new_pin1 = ""
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def btnOk_clicked(self, widget, data=None):
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"""PIN was entered . Check it and according to this check proceed
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to the next state"""
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if self.__check_entry(self.pin):
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self.__next_state()
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else:
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self.__previous_state()
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self.__update_gui()
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def __check_entry(self, pin):
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"""Process the PIN entered
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@return: boolean"""
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if self.states[self.state] == "old_pin":
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#Try to perform PACE with the card to see if the PIN is correct
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#TODO: Run pace-tool
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self.__old_pin = ""
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return True
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elif self.states[self.state] == "first_new_pin":
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self.__new_pin1 = pin
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return True
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elif self.states[self.state] == "second_new_pin":
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if pin == self.__new_pin1:
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self.__change_pin()
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return True
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else:
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self.__new_pin1 = ""
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return False
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def __previous_state(self):
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"""Go to the previous state"""
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if self.states[self.state] == "old_pin":
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#Keep on trying
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pass
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elif self.states[self.state] == "first_new_pin":
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#Can't happen because we always return True in self.__check_entry
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pass
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elif self.states[self.state] == "second_new_pin":
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self.state = 1 #Enter first PIN again
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def __next_state(self):
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"""Go to the next state"""
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if self.state <= 1:
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self.state += 1
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else:
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self.__success()
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#Clear input for next state
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self.pin = ""
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def __update_gui(self):
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"""Update the GUI elements according to the current state"""
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lbl_title = self.builder.get_object("lblInstruction")
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txt_out = self.builder.get_object("txtOutput")
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btn_ok = self.builder.get_object("btnOk")
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txt_out.set_text('_' * self.secret_len)
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if self.states[self.state] == "old_pin":
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lbl_title.set_text("Alte PIN eingeben")
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elif self.states[self.state] == "first_new_pin":
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lbl_title.set_text("Neue PIN eingeben")
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elif self.states[self.state] == "second_new_pin":
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lbl_title.set_text("Neue PIN wiederholen")
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lbl_title.modify_font(pango.FontDescription("bold 11"))
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btn_ok.set_sensitive(False)
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def __change_pin(self):
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#TODO: Run pace-tool
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pass
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def __success(self):
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suc = MsgBox(self.window, u"PIN wurde erfolgreich geändert", "info")
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suc.run()
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suc.destroy()
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gtk.main_quit() #Actually we should return to the caller of the window
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