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Diffstat (limited to 'core/modules/netpoint-lightdm/data/usr/local/bin/netpoint.py')
| -rwxr-xr-x | core/modules/netpoint-lightdm/data/usr/local/bin/netpoint.py | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/core/modules/netpoint-lightdm/data/usr/local/bin/netpoint.py b/core/modules/netpoint-lightdm/data/usr/local/bin/netpoint.py new file mode 100755 index 00000000..635fb03f --- /dev/null +++ b/core/modules/netpoint-lightdm/data/usr/local/bin/netpoint.py @@ -0,0 +1,215 @@ +#!/usr/bin/python +# +# Author: Matt Fischer <matthew.fischer@canonical.com> +# Copyright (C) 2012 Canonical, Ltd +# +# This program 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 3 of the License, or (at your option) any later +# version. See http://www.gnu.org/copyleft/gpl.html the full text of the +# license. +# +# This code is based on the LightDM GTK Greeter which was written by: +# Robert Ancell <robert.ancell@canonical.com> + +# required packages: +# liblightdm-gobject-1-0 +# gir1.2-lightdm-1 +# python-gobject +# gir1.2-glib-2.0 +# gir1.2-gtk-3.0 + +from gi.repository import GObject +from gi.repository import GLib +from gi.repository import Gtk +from gi.repository import Gdk +from gi.repository import GdkPixbuf +from gi.repository.GdkPixbuf import InterpType +from gi.repository import LightDM +import sys + +greeter = None + +main = None +split = None + +guest_box = None +guest_text = None +guest_button = None +guest_image = None + +login_box = None +login_text = None +user_box = None +user_text = None +user_username = None +pass_box = None +pass_text = None +pass_password = None + +prompt_box = None +prompt_label = None +prompt_entry = None +message_label = None + +# This Gtk signal is called when the user hits enter after entering a +# username/password or clicks the login button. Since we re-purposed +# the text entry box, we have 3 possible cases to handle here. +# 1) the user is already authenticated, if for example, they don't have +# a password set. +# 2) The username has been passed into LightDM and now we need to pass +# the password +# 3) The username has been entered, but not passed in. We pass it in +# and start the authentication process. +def login_cb(widget): + print >> sys.stderr, "login_cb" + if greeter.get_is_authenticated(): + print >> sys.stderr, "user is already authenticated, starting session" + #start_session() + elif greeter.get_in_authentication(): + print >> sys.stderr, "username was passed in already, send password to LightDM" + print >> sys.stderr, greeter.get_authentication_user() + greeter.respond(pass_password.get_text()) + else: + print >> sys.stderr, "Initial entry of username, send it to LightDM" + greeter.authenticate(user_username.get_text()) + +def guest_cb(widget): + print >> sys.stderr, "guest_cb" + if greeter.get_has_guest_account_hint(): + print >> sys.stderr, "Guest accounts supported" + greeter.authenticate_as_guest() + else: + print >> sys.stderr, "Guest accounts not supported" + + +# Gtk Signal Handlers +handlers = { + "login_cb": login_cb, + "guest_cb": guest_cb +} + +# The show_prompt callback is oddly named, but when you get this +# callback you are supposed to send the password to LightDM next. In +# our example, we re-purpose the prompt and ask the user for the +# password which is then sent the next time the user hits the Login +# button or presses enter. +def show_prompt_cb(greeter, text, promptType): + print >> sys.stderr, "Prompt type: " + str(promptType) + print >> sys.stderr, "Text: " + str(text) + # if this is a password prompt, we want to hide the characters + if promptType == LightDM.PromptType.SECRET: + pass_password.set_visibility(False) + else: + pass_password.set_visibility(True) + greeter.respond(pass_password.get_text()) + + +# If LightDM sends a message back to the greeter, for example, "Login +# failed" or "invalid password" we display it in our message box. +def show_message_cb(text, message_type): + print >> sys.stderr, "In show_message" + print >> sys.stderr, text + message_label.set_text(text) + message_label.show() + +# Callback for after we send LightDM the password, this method +# has to handle a successful login, in which case we start the session +# or a failed login, in which case we tell the user +def authentication_complete_cb(greeter): + if greeter.get_is_authenticated(): + # For our simple example we always start Unity-2d. The LightDM + # API has ways to query available sessions, please see the docs. + if not greeter.start_session_sync("xfce"): + print >> sys.stderr, "Failed to start session" + else: + print >> sys.stderr, "Login failed" + message_label.set_text("LOGIN FAILED") + message_label.show() + +if __name__ == '__main__': + print >> sys.stderr, "Starting up..." + main_loop = GObject.MainLoop () + builder = Gtk.Builder() + greeter = LightDM.Greeter() + styler = Gtk.CssProvider() + css = open('/usr/local/share/lightdm/netpoint.css', 'r') + + css_data = css.read() + css.close() + styler.load_from_data(css_data) + Gtk.StyleContext.add_provider_for_screen( + Gdk.Screen.get_default(), + styler, + Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION + ) + + # connect signal handlers to LightDM + greeter.connect ("authentication-complete", authentication_complete_cb) + greeter.connect ("show-message", show_message_cb) + greeter.connect ("show-prompt", show_prompt_cb) + + # connect builder and widgets + # you probably really want to put your .UI file somewhere else + builder.add_from_file("/usr/local/share/lightdm/netpoint.glade") + + main = builder.get_object("main") + split = builder.get_object("split") + sep = builder.get_object("sep") + message_label = builder.get_object("message_label") + print >> sys.stderr, message_label + guest_box = builder.get_object("guest_box") + + guest_outer_box = builder.get_object("guest_outer_box") + guest_internal_box = builder.get_object("guest_internal_box") + guest_text = builder.get_object("guest_text") + guest_button = builder.get_object("guest_button") + guest_image = builder.get_object("guest_image") + login_image = builder.get_object("login_image") + #pixbuf = guest_image.get_pixbuf() + #pixbuf = pixbuf.scale_simple(pixbuf.get_width() * 0.7, pixbuf.get_height() * 0.7, InterpType.HYPER) + #guest_image.set_from_pixbuf(pixbuf) + #pixbuf = login_image.get_pixbuf() + #pixbuf = pixbuf.scale_simple(pixbuf.get_width() * 0.7, pixbuf.get_height() * 0.7, InterpType.HYPER) + #login_image.set_from_pixbuf(pixbuf) + + login_box = builder.get_object("login_box") + login_text = builder.get_object("login_text") + + user_box = builder.get_object("user_box") + user_text = builder.get_object("user_text") + user_username = builder.get_object("user_username") + + pass_box = builder.get_object("pass_box") + pass_text = builder.get_object("pass_text") + pass_password = builder.get_object("pass_password") + + # connect signals to Gtk UI + builder.connect_signals(handlers) + + # connect to greeter + greeter.connect_sync() + + message_label.hide() + + # setup the GUI + main.set_decorated(True) + main.get_root_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.ARROW)) + main.show() + guest_text.show() + guest_button.show() + login_text.show() + user_text.show() + user_username.grab_focus() + user_username.show() + pass_text.show() + pass_password.set_sensitive(True) + pass_password.set_visibility(False) + pass_password.show() + + # fullscreen it + main.resize(Gdk.Screen.width(), Gdk.Screen.height()) + + #print >> sys.stderr, guest_box.get_height() + #print >> sys.stderr, guest_box.get_width() + main_loop.run () |