#!/usr/bin/env python
# -*- coding: utf-8 -*-

# ***********************IMPORTANT NMAP LICENSE TERMS************************
# *                                                                         *
# * The Nmap Security Scanner is (C) 1996-2019 Insecure.Com LLC ("The Nmap  *
# * Project"). Nmap is also a registered trademark of the Nmap Project.     *
# * This program is free software; you may redistribute and/or modify it    *
# * under the terms of the GNU General Public License as published by the   *
# * Free Software Foundation; Version 2 ("GPL"), BUT ONLY WITH ALL OF THE   *
# * CLARIFICATIONS AND EXCEPTIONS DESCRIBED HEREIN.  This guarantees your   *
# * right to use, modify, and redistribute this software under certain      *
# * conditions.  If you wish to embed Nmap technology into proprietary      *
# * software, we sell alternative licenses (contact sales@nmap.com).        *
# * Dozens of software vendors already license Nmap technology such as      *
# * host discovery, port scanning, OS detection, version detection, and     *
# * the Nmap Scripting Engine.                                              *
# *                                                                         *
# * Note that the GPL places important restrictions on "derivative works",  *
# * yet it does not provide a detailed definition of that term.  To avoid   *
# * misunderstandings, we interpret that term as broadly as copyright law   *
# * allows.  For example, we consider an application to constitute a        *
# * derivative work for the purpose of this license if it does any of the   *
# * following with any software or content covered by this license          *
# * ("Covered Software"):                                                   *
# *                                                                         *
# * o Integrates source code from Covered Software.                         *
# *                                                                         *
# * o Reads or includes copyrighted data files, such as Nmap's nmap-os-db   *
# * or nmap-service-probes.                                                 *
# *                                                                         *
# * o Is designed specifically to execute Covered Software and parse the    *
# * results (as opposed to typical shell or execution-menu apps, which will *
# * execute anything you tell them to).                                     *
# *                                                                         *
# * o Includes Covered Software in a proprietary executable installer.  The *
# * installers produced by InstallShield are an example of this.  Including *
# * Nmap with other software in compressed or archival form does not        *
# * trigger this provision, provided appropriate open source decompression  *
# * or de-archiving software is widely available for no charge.  For the    *
# * purposes of this license, an installer is considered to include Covered *
# * Software even if it actually retrieves a copy of Covered Software from  *
# * another source during runtime (such as by downloading it from the       *
# * Internet).                                                              *
# *                                                                         *
# * o Links (statically or dynamically) to a library which does any of the  *
# * above.                                                                  *
# *                                                                         *
# * o Executes a helper program, module, or script to do any of the above.  *
# *                                                                         *
# * This list is not exclusive, but is meant to clarify our interpretation  *
# * of derived works with some common examples.  Other people may interpret *
# * the plain GPL differently, so we consider this a special exception to   *
# * the GPL that we apply to Covered Software.  Works which meet any of     *
# * these conditions must conform to all of the terms of this license,      *
# * particularly including the GPL Section 3 requirements of providing      *
# * source code and allowing free redistribution of the work as a whole.    *
# *                                                                         *
# * As another special exception to the GPL terms, the Nmap Project grants  *
# * permission to link the code of this program with any version of the     *
# * OpenSSL library which is distributed under a license identical to that  *
# * listed in the included docs/licenses/OpenSSL.txt file, and distribute   *
# * linked combinations including the two.                                  *
# *                                                                         *
# * The Nmap Project has permission to redistribute Npcap, a packet         *
# * capturing driver and library for the Microsoft Windows platform.        *
# * Npcap is a separate work with it's own license rather than this Nmap    *
# * license.  Since the Npcap license does not permit redistribution        *
# * without special permission, our Nmap Windows binary packages which      *
# * contain Npcap may not be redistributed without special permission.      *
# *                                                                         *
# * Any redistribution of Covered Software, including any derived works,    *
# * must obey and carry forward all of the terms of this license, including *
# * obeying all GPL rules and restrictions.  For example, source code of    *
# * the whole work must be provided and free redistribution must be         *
# * allowed.  All GPL references to "this License", are to be treated as    *
# * including the terms and conditions of this license text as well.        *
# *                                                                         *
# * Because this license imposes special exceptions to the GPL, Covered     *
# * Work may not be combined (even as part of a larger work) with plain GPL *
# * software.  The terms, conditions, and exceptions of this license must   *
# * be included as well.  This license is incompatible with some other open *
# * source licenses as well.  In some cases we can relicense portions of    *
# * Nmap or grant special permissions to use it in other open source        *
# * software.  Please contact fyodor@nmap.org with any such requests.       *
# * Similarly, we don't incorporate incompatible open source software into  *
# * Covered Software without special permission from the copyright holders. *
# *                                                                         *
# * If you have any questions about the licensing restrictions on using     *
# * Nmap in other works, we are happy to help.  As mentioned above, we also *
# * offer an alternative license to integrate Nmap into proprietary         *
# * applications and appliances.  These contracts have been sold to dozens  *
# * of software vendors, and generally include a perpetual license as well  *
# * as providing support and updates.  They also fund the continued         *
# * development of Nmap.  Please email sales@nmap.com for further           *
# * information.                                                            *
# *                                                                         *
# * If you have received a written license agreement or contract for        *
# * Covered Software stating terms other than these, you may choose to use  *
# * and redistribute Covered Software under those terms instead of these.   *
# *                                                                         *
# * Source is provided to this software because we believe users have a     *
# * right to know exactly what a program is going to do before they run it. *
# * This also allows you to audit the software for security holes.          *
# *                                                                         *
# * Source code also allows you to port Nmap to new platforms, fix bugs,    *
# * and add new features.  You are highly encouraged to send your changes   *
# * to the dev@nmap.org mailing list for possible incorporation into the    *
# * main distribution.  By sending these changes to Fyodor or one of the    *
# * Insecure.Org development mailing lists, or checking them into the Nmap  *
# * source code repository, it is understood (unless you specify            *
# * otherwise) that you are offering the Nmap Project the unlimited,        *
# * non-exclusive right to reuse, modify, and relicense the code.  Nmap     *
# * will always be available Open Source, but this is important because     *
# * the inability to relicense code has caused devastating problems for     *
# * other Free Software projects (such as KDE and NASM).  We also           *
# * occasionally relicense the code to third parties as discussed above.    *
# * If you wish to specify special license conditions of your               *
# * contributions, just say so when you send them.                          *
# *                                                                         *
# * This program 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 Nmap      *
# * license file for more details (it's in a COPYING file included with     *
# * Nmap, and also available from https://svn.nmap.org/nmap/COPYING)        *
# *                                                                         *
# ***************************************************************************/

import gtk

from zenmapGUI.higwidgets.higwindows import HIGWindow
from zenmapGUI.higwidgets.higboxes import HIGVBox, HIGHBox, HIGSpacer, \
        hig_box_space_holder
from zenmapGUI.higwidgets.higlabels import HIGSectionLabel, HIGEntryLabel
from zenmapGUI.higwidgets.higscrollers import HIGScrolledWindow
from zenmapGUI.higwidgets.higtextviewers import HIGTextView
from zenmapGUI.higwidgets.higbuttons import HIGButton
from zenmapGUI.higwidgets.higtables import HIGTable
from zenmapGUI.higwidgets.higdialogs import HIGAlertDialog, HIGDialog
from zenmapGUI.OptionBuilder import OptionBuilder
from zenmapCore.Paths import Path
from zenmapCore.UmitConf import CommandProfile
from zenmapCore.UmitLogging import log
import zenmapCore.I18N  # lgtm[py/unused-import]
from zenmapCore.NmapOptions import NmapOptions


class ProfileEditor(HIGWindow):
    def __init__(self, command=None, profile_name=None,
            deletable=True, overwrite=False):
        HIGWindow.__init__(self)
        self.connect("delete_event", self.exit)
        self.set_title(_('Profile Editor'))
        self.set_position(gtk.WIN_POS_CENTER)

        self.deletable = deletable
        self.profile_name = profile_name
        self.overwrite = overwrite

        # Used to block recursive updating of the command entry when the
        # command entry causes the OptionBuilder widgets to change.
        self.inhibit_command_update = False

        self.__create_widgets()
        self.__pack_widgets()

        self.profile = CommandProfile()

        self.ops = NmapOptions()
        if profile_name:
            log.debug("Showing profile %s" % profile_name)
            prof = self.profile.get_profile(profile_name)

            # Interface settings
            self.profile_name_entry.set_text(profile_name)
            self.profile_description_text.get_buffer().set_text(
                    prof['description'])

            command_string = prof['command']
            self.ops.parse_string(command_string)
        if command:
            self.ops.parse_string(command)

        self.option_builder = OptionBuilder(
                Path.profile_editor, self.ops,
                self.update_command, self.help_field.get_buffer())
        log.debug("Option groups: %s" % str(self.option_builder.groups))
        log.debug("Option section names: %s" % str(
            self.option_builder.section_names))
        #log.debug("Option tabs: %s" % str(self.option_builder.tabs))

        for tab in self.option_builder.groups:
            self.__create_tab(
                    _(tab),
                    _(self.option_builder.section_names[tab]),
                    self.option_builder.tabs[tab])

        self.update_command()

    def command_entry_changed_cb(self, widget):
        command_string = self.command_entry.get_text().decode("UTF-8")
        self.ops.parse_string(command_string)
        self.inhibit_command_update = True
        self.option_builder.update()
        self.inhibit_command_update = False

    def update_command(self):
        """Regenerate and display the command."""
        if not self.inhibit_command_update:
            # Block recursive updating of the OptionBuilder widgets when they
            # cause a change in the command entry.
            self.command_entry.handler_block(self.command_entry_changed_cb_id)
            self.command_entry.set_text(self.ops.render_string())
            self.command_entry.handler_unblock(
                    self.command_entry_changed_cb_id)

    def update_help_name(self, widget, extra):
        self.help_field.get_buffer().set_text(
                "Profile name\n\nThis is how the profile will be identified "
                "in the drop-down combo box in the scan tab.")

    def update_help_desc(self, widget, extra):
        self.help_field.get_buffer().set_text(
                "Description\n\nThe description is a full description of what "
                "the scan does, which may be long.")

    def __create_widgets(self):

        ###
        # Vertical box to keep 3 boxes
        self.main_whole_box = HIGVBox()

        self.upper_box = HIGHBox()
        self.middle_box = HIGHBox()
        self.lower_box = HIGHBox()

        #self.main_vbox = HIGVBox()
        self.command_entry = gtk.Entry()
        self.command_entry_changed_cb_id = self.command_entry.connect(
                "changed", self.command_entry_changed_cb)

        self.scan_button = HIGButton(_("Scan"))
        self.scan_button.connect("clicked", self.run_scan)

        self.notebook = gtk.Notebook()

        # Profile info page
        self.profile_info_vbox = HIGVBox()
        self.profile_info_label = HIGSectionLabel(_('Profile Information'))
        self.profile_name_label = HIGEntryLabel(_('Profile name'))
        self.profile_name_entry = gtk.Entry()
        self.profile_name_entry.connect(
                'enter-notify-event', self.update_help_name)
        self.profile_description_label = HIGEntryLabel(_('Description'))
        self.profile_description_scroll = HIGScrolledWindow()
        self.profile_description_scroll.set_border_width(0)
        self.profile_description_text = HIGTextView()
        self.profile_description_text.connect(
                'motion-notify-event', self.update_help_desc)

        # Buttons
        self.buttons_hbox = HIGHBox()

        self.cancel_button = HIGButton(stock=gtk.STOCK_CANCEL)
        self.cancel_button.connect('clicked', self.exit)

        self.delete_button = HIGButton(stock=gtk.STOCK_DELETE)
        self.delete_button.connect('clicked', self.delete_profile)

        self.save_button = HIGButton(_("Save Changes"), stock=gtk.STOCK_SAVE)
        self.save_button.connect('clicked', self.save_profile)

        ###
        self.help_vbox = HIGVBox()
        self.help_label = HIGSectionLabel(_('Help'))
        self.help_scroll = HIGScrolledWindow()
        self.help_scroll.set_border_width(0)
        self.help_field = HIGTextView()
        self.help_field.set_cursor_visible(False)
        self.help_field.set_left_margin(5)
        self.help_field.set_editable(False)
        self.help_vbox.set_size_request(200, -1)
        ###

    def __pack_widgets(self):

        ###
        self.add(self.main_whole_box)

        # Packing command entry to upper box
        self.upper_box._pack_expand_fill(self.command_entry)
        self.upper_box._pack_noexpand_nofill(self.scan_button)

        # Packing notebook (left) and help box (right) to middle box
        self.middle_box._pack_expand_fill(self.notebook)
        self.middle_box._pack_expand_fill(self.help_vbox)

        # Packing buttons to lower box
        self.lower_box.pack_end(self.buttons_hbox)

        # Packing the three vertical boxes to the main box
        self.main_whole_box._pack_noexpand_nofill(self.upper_box)
        self.main_whole_box._pack_expand_fill(self.middle_box)
        self.main_whole_box._pack_noexpand_nofill(self.lower_box)
        ###

        # Packing profile information tab on notebook
        self.notebook.append_page(
                self.profile_info_vbox, gtk.Label(_('Profile')))
        self.profile_info_vbox.set_border_width(5)
        table = HIGTable()
        self.profile_info_vbox._pack_noexpand_nofill(self.profile_info_label)
        self.profile_info_vbox._pack_expand_fill(HIGSpacer(table))

        self.profile_description_scroll.add(self.profile_description_text)

        vbox_desc = HIGVBox()
        vbox_desc._pack_noexpand_nofill(self.profile_description_label)
        vbox_desc._pack_expand_fill(hig_box_space_holder())

        vbox_ann = HIGVBox()
        vbox_ann._pack_expand_fill(hig_box_space_holder())

        table.attach(
                self.profile_name_label, 0, 1, 0, 1, xoptions=0, yoptions=0)
        table.attach(self.profile_name_entry, 1, 2, 0, 1, yoptions=0)
        table.attach(vbox_desc, 0, 1, 1, 2, xoptions=0)
        table.attach(self.profile_description_scroll, 1, 2, 1, 2)

        # Packing buttons on button_hbox
        self.buttons_hbox._pack_expand_fill(hig_box_space_holder())
        if self.deletable:
            self.buttons_hbox._pack_noexpand_nofill(self.delete_button)
        self.buttons_hbox._pack_noexpand_nofill(self.cancel_button)
        self.buttons_hbox._pack_noexpand_nofill(self.save_button)

        self.buttons_hbox.set_border_width(5)
        self.buttons_hbox.set_spacing(6)

        ###
        self.help_vbox._pack_noexpand_nofill(self.help_label)
        self.help_vbox._pack_expand_fill(self.help_scroll)
        self.help_scroll.add(self.help_field)
        self.help_vbox.set_border_width(1)
        self.help_vbox.set_spacing(1)
        ###

    def __create_tab(self, tab_name, section_name, tab):
        log.debug(">>> Tab name: %s" % tab_name)
        log.debug(">>>Creating profile editor section: %s" % section_name)
        vbox = HIGVBox()
        if tab.notscripttab:  # if notscripttab is set
            table = HIGTable()
            table.set_row_spacings(2)
            section = HIGSectionLabel(section_name)
            vbox._pack_noexpand_nofill(section)
            vbox._pack_noexpand_nofill(HIGSpacer(table))
            vbox.set_border_width(5)
            tab.fill_table(table, True)
        else:
            hbox = tab.get_hmain_box()
            vbox.pack_start(hbox, True, True, 0)
        self.notebook.append_page(vbox, gtk.Label(tab_name))

    def save_profile(self, widget):
        if self.overwrite:
            self.profile.remove_profile(self.profile_name)
        profile_name = self.profile_name_entry.get_text()
        if profile_name == '':
            alert = HIGAlertDialog(
                    message_format=_('Unnamed profile'),
                    secondary_text=_(
                        'You must provide a name for this profile.'))
            alert.run()
            alert.destroy()

            self.profile_name_entry.grab_focus()

            return None

        command = self.ops.render_string()

        buf = self.profile_description_text.get_buffer()
        description = buf.get_text(
                buf.get_start_iter(), buf.get_end_iter())

        try:
            self.profile.add_profile(
                    profile_name,
                    command=command,
                    description=description)
        except ValueError:
            alert = HIGAlertDialog(
                    message_format=_('Disallowed profile name'),
                    secondary_text=_('Sorry, the name "%s" is not allowed due '
                        'to technical limitations. (The underlying '
                        'ConfigParser used to store profiles does not allow '
                        'it.) Choose a different name.' % profile_name))
            alert.run()
            alert.destroy()
            return

        self.scan_interface.toolbar.profile_entry.update()
        self.destroy()

    def clean_profile_info(self):
        self.profile_name_entry.set_text('')
        self.profile_description_text.get_buffer().set_text('')

    def set_scan_interface(self, interface):
        self.scan_interface = interface

    def exit(self, *args):
        self.destroy()

    def delete_profile(self, widget=None, extra=None):
        if self.deletable:
            dialog = HIGDialog(buttons=(gtk.STOCK_OK, gtk.RESPONSE_OK,
                                        gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL))
            alert = HIGEntryLabel('<b>' + _("Deleting Profile") + '</b>')
            text = HIGEntryLabel(_(
                'Your profile is going to be deleted! ClickOk to continue, '
                'or Cancel to go back to Profile Editor.'))
            hbox = HIGHBox()
            hbox.set_border_width(5)
            hbox.set_spacing(12)

            vbox = HIGVBox()
            vbox.set_border_width(5)
            vbox.set_spacing(12)

            image = gtk.Image()
            image.set_from_stock(
                    gtk.STOCK_DIALOG_WARNING, gtk.ICON_SIZE_DIALOG)

            vbox.pack_start(alert)
            vbox.pack_start(text)
            hbox.pack_start(image)
            hbox.pack_start(vbox)

            dialog.vbox.pack_start(hbox)
            dialog.vbox.show_all()

            response = dialog.run()
            dialog.destroy()
            if response == gtk.RESPONSE_CANCEL:
                return True
            self.profile.remove_profile(self.profile_name)

        self.update_profile_entry()
        self.destroy()

    def run_scan(self, widget=None):
        command_string = self.command_entry.get_text().decode("UTF-8")
        self.scan_interface.command_toolbar.command = command_string
        self.scan_interface.start_scan_cb()
        self.exit()

    def update_profile_entry(self, widget=None, extra=None):
        self.scan_interface.toolbar.profile_entry.update()
        list = self.scan_interface.toolbar.profile_entry.get_model()
        length = len(list)
        if length > 0:
            self.scan_interface.toolbar.profile_entry.set_active(0)


if __name__ == '__main__':
    p = ProfileEditor()
    p.show_all()
    gtk.main()