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controlcenter / user_add / user_mod.py

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#!/usr/bin/env python

#    This file is part of controlcenter.
#
#    controlcenter is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License v2 as published by
#    the Free Software Foundation.
#
#    controlcenter 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 controlcenter.  If not, see <http://www.gnu.org/licenses/>.


__author__ = 'Moises Henriquez'
__author_email__ = 'moc.liamg]ta[xnl.E0M'.replace(']ta[', '@')[::-1]

import gtk
import os
from user_add import Account as Account
from user_add import Tab as Tab
from user_add import SectionLabel as SectionLabel
from user_add import LineLabel as LineLabel

__tabs__ = []

def _(str): return str

class Win(gtk.Window):
    '''User add/edit window
        Arguments:
            account:    An Account object representing the account to be edited'''
    def __init__(self, account = None):
        #gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL)
        gtk.Window.__init__(self)
        self.set_position(gtk.WIN_POS_CENTER)
        self.set_default_size(400, 350)
        self.account = account
        if not self.account: self.account = Account()
        body = gtk.VBox()   
        
        #if not __tabs__:

        self.add(body)
        self.notebook = gtk.Notebook()
        body.pack_start(self.notebook, True, True, 2)

        basic = BasicInfo(account = self.account)
        privilege = PrivilegeInfo(account = self.account)
        advanced = AdvancedInfo(account = self.account)
        __tabs__ = []
        __tabs__.append(basic)
        __tabs__.append(privilege)
        __tabs__.append(advanced)
        
        for tab in __tabs__:
            self.notebook.append_page(tab, tab.label)
            if not self.account.is_new:
                tab.refresh_info()
            

    ## Bottom toolbar
        toolbar = gtk.HBox()
        btCancel = gtk.Button('Cancel', gtk.STOCK_CANCEL)
        btCancel.connect('clicked', self._do_exit)
        btOK = gtk.Button('OK', gtk.STOCK_OK)
        
        toolbar.pack_end(btOK, False, False, 4)
        toolbar.pack_end(btCancel, False, False, 4)
        body.pack_start(toolbar, False, False, 4)

    
    def _do_exit(self, widget=None):
        #print self.notebook.get_n_pages()
        self.hide()
        
            

class AdvancedInfo(Tab):
    def __init__(self, account = None):
        self.account = account
        Tab.__init__(self, _('Advanced'))
        banner = SectionLabel(_('Advanced Options'))
        self.pack_start(banner, False, False, 4)
        spacer = gtk.Label()
        self.pack_start(spacer, False, False, 4)
        
        line_homedir = gtk.HBox()
        homedir_label = LineLabel(_('Home Directory'))
        homedir_txt = gtk.Entry()
        self._homedir_entry = homedir_txt
        homedir_txt.connect('changed', self.set_account_homedir)
        if not account.is_new: homedir_txt.set_text(self.account.homedir)
        homedir_txt.set_property('sensitive', self.account.is_new)
        line_homedir.pack_start(homedir_label, False, False, 2)
        line_homedir.pack_start(homedir_txt, True, True, 2)
        self.pack_start(line_homedir, False, False, 4)
        maingroup = self._show_maingroup_line()
        self.pack_start(maingroup, False, False, 4)
        shell_line = self._show_shell_line()
        self.pack_start(shell_line, False, False, 4)
        uid_line = self._show_uid_spinner()
        self.pack_start(uid_line, False, False, 4)
    
    def _show_maingroup_line(self):
        line = gtk.HBox()
        label = LineLabel(_('Main Group'))
        line.pack_start(label, False, False, 2)
        f = open('/etc/group', 'r')
        data = f.readlines()
        f.close()
        
        if not self.account.is_new:
            ## Just look for the main group in /etc/group
            for item in data:
                if item.startswith(self.account.login):
                    maingroup = self.account.login
            drop = gtk.combo_box_entry_new_text()
            drop.append_text(maingroup)
            drop.connect('changed', self.set_account_maingroup)
            drop.set_active(0)
            drop.set_property('sensitive', self.account.is_new)
        else:
            ulist = gtk.ListStore(str)
            ulist.append(['Default (username)']) ## Defaults to user name
            for item in data:
                spl = item.split(':')
                if int(spl[2]) > 0 and int(spl[2]) <= 100:
                    ulist.append([spl[0].strip()])
                ## Fixme ^^ User group policy???
                drop = gtk.ComboBox(ulist)
                cell0 = gtk.CellRendererText()
                drop.pack_start(cell0, True)
                drop.add_attribute(cell0, 'text', 0)
                drop.set_active(0)
                drop.set_property('sensitive', self.account.is_new)                   
            
        line.pack_start(drop, True, True, 2)
        return line

    def _show_shell_line(self):
        section = gtk.HBox()
        label = LineLabel(_('Login Shell'))
        section.pack_start(label, False, False, 2)
        no_etc_shells = None
        if os.path.exists('/etc/shells'):
            f = open('/etc/shells', 'r')
            data = f.readlines()
            f.close()
        else:
            no_etc_shells = True
        
        shell_list = gtk.ListStore(str)
        if no_etc_shells is True:
            if os.path.exists('/bin/bash'):
                shell_list.append(['/bin/bash'])
            else:
                ## FIXME: No shells? what here?
                pass
        else:
            for line in data:
                shell_list.append([line.strip()])
        
        drop = gtk.ComboBox(shell_list)
        cell0 = gtk.CellRendererText()
        drop.connect('changed', self.set_account_shell)
        drop.pack_start(cell0, True)
        drop.add_attribute(cell0, 'text', 0)
        
        if self.account.is_new:
            drop.set_active(0)
        else:
            # Find the shell from /etc/passwd and pre-select it here
            x = open('/etc/passwd', 'r')
            udata = x.readlines()
            x.close()
            for line in udata:
                if line.startswith(self.account.login):
                    ushell = line.split(':')[-1]
            
            n = 0
            model = drop.get_model()
            for item in model:
                n += 1
            for x in range(0, n):
                if model[x][0].strip() == self.account.shell.strip():
                    drop.set_active(x)
                    break
            
    
        drop.set_property('sensitive', True)
        section.pack_start(drop, True, True, 2)
        
        return section

    def _show_uid_spinner(self):
        section = gtk.HBox()
        
        label = LineLabel(_('User ID'))
        section.pack_start(label, False, False, 2)
        
        f = open('/etc/passwd', 'r')
        data = f.readlines()
        f.close()
        min_ = 1000
        n_list = []
        
        for line in data:
            spl = line.split(':')
            if int(spl[2]) >= 1000:
                n_list.append(int(spl[2]))
        n_list.sort()
        min_ = max(n_list) + 1
        
        adj = gtk.Adjustment(1000, min_, 10000, 1, 10, 0)
        spinner = gtk.SpinButton(adj, 0, 0)
        self._spinner = spinner
        spinner.connect('value-changed', self.set_account_uid)
        if not self.account.is_new:
            ## find the uid for the existing user and pre-select it
            if self.account.login == 'root':
                adj.set_all(0,0,10000,1,10,0)
                spinner.set_value(0.0)
                spinner.set_property('sensitive', False)
            else:
                adj.set_all(1000,1000,10000,1,10,0)
                for line in data:
                    if line.startswith(self.account.login.strip()):
                        spl1 = line.split(':')
                        uid = int(spl[2])
                        spinner.set_value(uid)
                        spinner.set_property('sensitive', False) ## Disable this for existing accounts.
                        break
            
        section.pack_start(spinner, True, True, 2)
        
        return section
    def set_account_homedir(self, widget):
        self.account.homedir = widget.get_text()
    def set_account_shell(self, widget):
        self.account.shell = widget.get_active_text()
    def set_account_maingroup(self, widget):
        self.account.maingroup = widget.get_active_text()
    def set_account_uid(self, widget):
        if not self.account.is_new: return
        self.account.uid = int(widget.get_value())
    def refresh_info(self):
        if not self.account.is_new:
            self._homedir_entry.set_text(self.account.homedir)
            self._spinner.set_value(float(self.account.uid))
            #print 'values are set'
        else:
            if self.account.login:
                self._homedir_entry.set_text(os.path.join('/home', self.account.login))
        

    
        
class PrivilegeInfo(Tab):  
 
    def __init__(self, account = None):
        Tab.__init__(self, _('Account Privileges'))
        banner = SectionLabel(_('User Privileges'))
        self.pack_start(banner, False, False, 2)
        self.account = account
        if self.account.is_new:
            self.rights_values = self._get_grouplist_with_default_values()
        else:
            self.rights_values = self._get_user_group_list()
        ## set default grouplist
        for entry in self.rights_values:
            if entry[1]:
                self.account.groups.append(entry[0])
        
        sw = gtk.ScrolledWindow()
        sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
        tv = self._get_tree()
        sw.add(tv)
        self.pack_start(sw, True, True, 4)
    
        
    def _get_user_group_list(self):
        defaults = self._get_grouplist_with_default_values()
        new = []
        f = open('/etc/group', 'r')
        data = f.readlines()
        f.close()
        grplist = []
        for item in defaults:
            member = False # Unless we find out differently later
            if item[0] == 'users': pass
            if item[0] == self.account.login: pass
            for line in data:
                if line.startswith(item[0]):
                    member = self.account.login in line
                    
            new.append([item[0], member, item[2]])
        return new
        

    def _get_grouplist_with_default_values(self):
        values = [
        ('disk', True, _('Access system storage devices')), \
        ('lp', True,  _('Manage system printers')), \
        ('floppy', True, _('Use Floppy drive')), \
        ('audio', True, _('Use audio devices')), \
        ('video', True, _('Capture video from TV or webcam')), \
        ('scanner', True, _('Use scanners')), \
        ('cdrom', True, _('Use CD/DVD-ROM devices')), \
        ('games', True, _('Play games')), \
        ('slocate', True, _('Find files on the system')), \
        ('plugdev', True, _('Use external storage devices')), \
        ('power', True, _('Suspend and hibernate the system')), \
        ('netdev', True, _('Modify system network connections'))        
        ]
        return values
    def _get_tree(self):
        '''Internal function that pvides a treeview with a list of
        checkbuttons to check off user access'''
        rights = self.rights_values
        store = gtk.ListStore(str, bool, str)
        for right in rights:
            store.append([right[0], right[1], right[2]])
        
        tree = gtk.TreeView(store)
        cell0 = gtk.CellRendererToggle()
        cell0.set_property('activatable', True)
        cell0.connect('toggled', self.checkbox_toggle, tree.get_model())
        col0 = gtk.TreeViewColumn(None, cell0)
        col0.add_attribute(cell0, 'active', 1)
        
        cell1 = gtk.CellRendererText()
        col1 = gtk.TreeViewColumn(None, cell1, text=2)
        tree.append_column(col0)
        tree.append_column(col1)
        
        return tree

    def checkbox_toggle(self, widget, path, model):
        model[path][1] = not model[path][1]
        for item in model:
            if item[1]:
                if not item[0] in self.account.groups:
                    self.account.groups.append(item[0].strip())
            else:
                if item[0] in self.account.groups:
                    self.account.groups.remove(item[0].strip())
                
        print self.account.groups


class BasicInfo(Tab):
    def __init__(self, account = None):
        self.account = account
        Tab.__init__(self, _('Basic Information'))
        banner = SectionLabel(_('Basic Information'))
        self.pack_start(banner, False, False, 4)
        line_login = gtk.HBox()
        login_label = LineLabel(_('Login Name'))
        login_txt = gtk.Entry()
        login_txt.connect('changed', self.set_login_name)
        login_txt.set_property('sensitive', self.account.is_new)
        if not account.is_new: login_txt.set_text(self.account.login)
        line_login.pack_start(login_label, False, False, 2)
        line_login.pack_start(login_txt, True, True, 2)
        self.pack_start(line_login, False, False, 4)
        
        line_name = gtk.HBox()
        name_label = LineLabel(_('Real Name'))
        name_txt = gtk.Entry()
        name_txt.connect('changed', self.set_user_real_name)
        if not account.is_new: name_txt.set_text(self.account.name)
        
        self.pack_start(line_name, False, False, 4)
        line_name.pack_start(name_label, False, False, 2)
        line_name.pack_start(name_txt, True, True, 2)
        
        spacer = gtk.Label()
        self.pack_start(spacer, False, False, 4)
        
        if self.account.is_new:
            ptxt = _('User Password')
        else:
            ptxt = _('Change Password')
        pass_sec = SectionLabel(ptxt)
        self.pack_start(pass_sec, False, False, 4)
        
        line_pass1 = gtk.HBox()
        pass1_label = LineLabel(_('Enter Password'))
        pass1_txt = gtk.Entry()
        pass1_txt.set_property('visibility', False)
        pass1_txt.connect('changed', self.pass1_change)
        line_pass1.pack_start(pass1_label, False, False, 2)
        line_pass1.pack_start(pass1_txt, True, True, 2)
        self.pack_start(line_pass1, False, False, 4)
        
        line_pass2 = gtk.HBox()
        pass2_label = LineLabel(_('Verify Password'))
        pass2_txt = gtk.Entry()
        pass2_txt.set_property('visibility', False)
        pass2_txt.connect('changed', self.pass2_change)
        line_pass2.pack_start(pass2_label, False, False, 2)
        line_pass2.pack_start(pass2_txt, True, True, 2)
        self.pack_start(line_pass2, False, False, 4)
    def pass1_change(self, widget):
        self.account.pass1 = widget.get_text()
        if self.account.pass1 == self.account.pass2: 
            self.account.password = self.account.pass1
        else:
            self.account.password = None
    def pass2_change(self, widget):
        self.account.pass2 = widget.get_text()
        if self.account.pass1 == self.account.pass2:
            self.account.password = self.account.pass1
        else:
            self.account.password = None
    def set_login_name(self, widget):
        ''' Set the login name on the account'''
        self.account.login = widget.get_text()
        ## Set the home dir too
        self.account.homedir = os.path.join('/home', self.account.login)
        ## Update the advanced tab
        for tab in __tabs__:
            tab.refresh_info()
    def set_user_real_name(self, widget):
        ''' Set the comment or real name on the account '''
        self.account.name = widget.get_text()