Files
clamtk/lib/Network.pm
2022-02-19 23:58:11 -06:00

291 lines
9.1 KiB
Perl

# ClamTk, copyright (C) 2004-2022 Dave M
#
# This file is part of ClamTk
# (https://gitlab.com/dave_m/clamtk/).
#
# ClamTk is free software; you can redistribute it and/or modify it
# under the terms of either:
#
# a) the GNU General Public License as published by the Free Software
# Foundation; either version 1, or (at your option) any later version, or
#
# b) the "Artistic License".
package ClamTk::Network;
use Glib 'TRUE', 'FALSE';
# use strict;
# use warnings;
$| = 1;
use LWP::UserAgent;
use POSIX 'locale_h';
use Locale::gettext;
my $proxy_status_image; # Image
my $infobar; # InfoBar
sub show_window {
my $eb = Gtk3::EventBox->new;
my $box = Gtk3::VBox->new( FALSE, 5 );
$eb->add( $box );
my $grid = Gtk3::Grid->new();
$box->pack_start( $grid, FALSE, FALSE, 5 );
$grid->set_column_spacing( 10 );
$grid->set_column_homogeneous( TRUE );
my $none_button = Gtk3::RadioButton->new_with_label_from_widget( undef,
_( 'No proxy' ) );
$grid->attach( $none_button, 0, 0, 1, 1 );
my $env_button
= Gtk3::RadioButton->new_with_label_from_widget( $none_button,
_( 'Environment settings' ) );
$grid->attach( $env_button, 0, 1, 1, 1 );
my $manual_button
= Gtk3::RadioButton->new_with_label_from_widget( $none_button,
_( 'Set manually' ) );
$grid->attach( $manual_button, 0, 2, 1, 1 );
# Proxy host information
my $label = Gtk3::Label->new( _( 'IP address or host' ) );
$grid->attach( $label, 1, 3, 1, 1 );
my $buffer = Gtk3::EntryBuffer->new( undef, 0 );
my $host_entry = Gtk3::Entry->new_with_buffer( $buffer );
$host_entry->set_max_length( 63 );
$grid->attach( $host_entry, 2, 3, 1, 1 );
$buffer->signal_connect(
'inserted-text' => sub {
my ( $widget, $pos, $char, $n_chars, $data ) = @_;
# https://datatracker.ietf.org/doc/rfc1738/
if ( $char !~ m/[a-z0-9\+\.\-]/i ) {
$buffer->delete_text( $pos, 1 );
# $buffer->signal_stop_emission_by_name( 'insert-text' );
# $host_entry->set_text($char);
}
}
);
# Proxy port information
$label = Gtk3::Label->new( _( 'Port' ) );
$grid->attach( $label, 1, 4, 1, 1 );
my $port_spin = Gtk3::SpinButton->new_with_range( 1, 65535, 1 );
$port_spin->set_value( 8080 );
$grid->attach( $port_spin, 2, 4, 1, 1 );
# Signals for radiobuttons
$none_button->signal_connect(
toggled => sub {
if ( $none_button->get_active ) {
$host_entry->set_sensitive( FALSE );
$port_spin->set_sensitive( FALSE );
}
}
);
$env_button->signal_connect(
toggled => sub {
if ( $env_button->get_active ) {
$host_entry->set_sensitive( FALSE );
$port_spin->set_sensitive( FALSE );
}
}
);
$manual_button->signal_connect(
toggled => sub {
if ( $manual_button->get_active ) {
$host_entry->set_sensitive( TRUE );
$port_spin->set_sensitive( TRUE );
}
}
);
my $use_image = ClamTk::Icons->get_image( 'document-save' );
my $apply_button = Gtk3::Button->new_from_icon_name( $use_image, 0 );
$apply_button->set_tooltip_text( _( 'Press Apply to save changes' ) );
$grid->attach( $apply_button, 0, 6, 1, 1 );
$use_image = ClamTk::Icons->get_image( 'list-add' );
$proxy_status_image = Gtk3::Button->new_from_icon_name( $use_image, 0 );
$grid->attach( $proxy_status_image, 1, 6, 1, 1 );
# What does the user have set?
# 0 = no proxy, 1 = env_proxy and 2 = manual proxy
my $setting = ClamTk::Prefs->get_preference( 'HTTPProxy' );
$host_entry->set_sensitive( FALSE );
$port_spin->set_sensitive( FALSE );
if ( !$setting ) {
$none_button->set_active( TRUE );
} elsif ( $setting == 1 ) {
$env_button->set_active( TRUE );
} elsif ( $setting == 2 ) {
$manual_button->set_active( TRUE );
$host_entry->set_sensitive( TRUE );
$port_spin->set_sensitive( TRUE );
}
my $path = ClamTk::App->get_path( 'db' );
$path .= '/local.conf';
if ( -f $path ) {
if ( open( my $FH, '<', $path ) ) {
while ( <$FH> ) {
chomp;
my $set;
if ( /HTTPProxyServer\s+(.*?)$/ ) {
$set = $1;
if ( $set !~ m#://# ) {
$set = 'http://' . $set;
}
$host_entry->set_text( $set );
if ( !$setting
|| $setting == 1 )
{
$host_entry->set_sensitive( FALSE );
}
}
if ( /HTTPProxyPort\s+(.*?)$/ ) {
$port_spin->set_value( $1 );
if ( !$setting
|| $setting == 1 )
{
$port_spin->set_sensitive( FALSE );
}
}
}
close( $FH );
}
}
$infobar = Gtk3::InfoBar->new;
$box->pack_start( $infobar, FALSE, FALSE, 5 );
my $info_label = Gtk3::Label->new( ' ' );
$info_label->set_alignment( 0.0, 0.5 );
$infobar->get_content_area->add( $info_label );
$infobar->set_message_type( 'other' );
$apply_button->signal_connect(
clicked => sub {
my $choice;
if ( $env_button->get_active ) {
$choice = 1;
} elsif ( $manual_button->get_active ) {
$choice = 2;
} else {
$choice = 0;
}
if ( $choice == 0
|| $choice == 1 )
{
if ( ClamTk::Prefs->set_preference( 'HTTPProxy', $choice ) ) {
proxy_non_block_status( 'yes' );
} else {
proxy_non_block_status( 'no' );
}
}
if ( $manual_button->get_active ) {
if ( length( $host_entry->get_text ) < 1 ) {
$none_button->set_active( TRUE );
return;
}
my $ip = $host_entry->get_text;
if ( $ip !~ m#://# ) {
$ip = 'http://' . $ip;
}
my $port = $port_spin->get_value_as_int;
if ( $port =~ /^(\d+)$/ ) {
$port = $1;
} else {
$port = 8080;
}
# Hate to pull in LWP::UserAgent just for this,
# but we need to sanity check it before they get
# to using it in the first place
eval {
my $ua = LWP::UserAgent->new;
$ua->proxy( http => "$ip:$port" );
};
if ( $@ ) {
proxy_non_block_status( 'no' );
return;
}
if ( ClamTk::Prefs->set_preference( 'HTTPProxy', $choice )
&& ClamTk::Prefs->set_proxy( $ip, $port ) )
{
proxy_non_block_status( 'yes' );
$host_entry->set_text( $ip );
$port_spin->set_value( $port );
} else {
proxy_non_block_status( 'no' );
$host_entry->set_text( $ip );
$port_spin->set_value( $port );
}
}
}
);
$eb->show_all;
$proxy_status_image->hide;
return $eb;
}
sub set_infobar_text {
my $text = shift;
Gtk3::main_iteration while Gtk3::events_pending;
for my $child ( $infobar->get_content_area->get_children ) {
if ( $child->isa( 'Gtk3::Label' ) ) {
$child->set_text( $text );
}
}
Gtk3::main_iteration while Gtk3::events_pending;
}
sub proxy_non_block_status {
# This is a non-blocking way to show success or failure
# in the proxy configuration dialog.
# I think muppet came up with this.
my $status = shift;
my $message = '';
if ( $status eq 'yes' ) {
my $use_image = ClamTk::Icons->get_image( 'emblem-ok' );
my $btn = Gtk3::Button->new_from_icon_name( $use_image, 0 );
$btn->set_relief( 'none' );
$proxy_status_image->set_image( $btn );
$message = _( 'Settings saved' );
$infobar->set_message_type( 'other' );
} else {
my $use_image = ClamTk::Icons->get_image( 'emblem-important' );
my $btn = Gtk3::Button->new_from_icon_name( $use_image, 0 );
$btn->set_relief( 'none' );
$proxy_status_image->set_image( $btn );
$message = _( 'Error' );
$infobar->set_message_type( 'other' );
}
set_infobar_text( $message );
$proxy_status_image->show;
my $loop = Glib::MainLoop->new;
Glib::Timeout->add(
1200,
sub {
$loop->quit;
FALSE;
}
);
$loop->run;
set_infobar_text( '' );
$proxy_status_image->hide;
$infobar->set_message_type( 'other' );
return;
}
1;