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geoip-block.cgi: New CGI for managing geoip blocking.
[ipfire-2.x.git] / html / cgi-bin / geoip-block.cgi
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1#!/usr/bin/perl
2###############################################################################
3# #
4# IPFire.org - A linux based firewall #
5# Copyright (C) 2014 IPFire Developemnt Team <info@ipfire.org> #
6# #
7# This program is free software: you can redistribute it and/or modify #
8# it under the terms of the GNU General Public License as published by #
9# the Free Software Foundation, either version 3 of the License, or #
10# (at your option) any later version. #
11# #
12# This program is distributed in the hope that it will be useful, #
13# but WITHOUT ANY WARRANTY; without even the implied warranty of #
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15# GNU General Public License for more details. #
16# #
17# You should have received a copy of the GNU General Public License #
18# along with this program. If not, see <http://www.gnu.org/licenses/>. #
19# #
20###############################################################################
21
22use strict;
23# enable only the following on debugging purpose
24#use warnings;
25#use CGI::Carp 'fatalsToBrowser';
26
27require '/var/ipfire/general-functions.pl';
28require "${General::swroot}/lang.pl";
29require "${General::swroot}/header.pl";
30
31# Directory which contains flag icons.
32my $flagdir = "/srv/web/ipfire/html/images/flags";
33# File extension of the country flags.
34my $extension = "png";
35
36my $settingsfile = "${General::swroot}/firewall/geoipblock";
37
38my %color = ();
39my %mainsettings = ();
40my %settings = ();
41my %cgiparams = ();
42
43# Read configuration file.
44&General::readhash("$settingsfile", \%settings);
45
46&General::readhash("${General::swroot}/main/settings", \%mainsettings);
47&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
48
49&Header::showhttpheaders();
50
51#Get GUI values
52&Header::getcgihash(\%cgiparams);
53
54# Call subfunction to get all available locations.
55my @locations = &get_geoip_locations();
56
57if ($cgiparams{'ACTION'} eq $Lang::tr{'save'}) {
58 # Check if we want to disable geoipblock.
59 if (exists $cgiparams{'GEOIPBLOCK_ENABLED'}) {
60 $settings{'GEOIPBLOCK_ENABLED'} = "on";
61 } else {
62 $settings{'GEOIPBLOCK_ENABLED'} = "off";
63 }
64
65 # Loop through our locations array to prevent from
66 # non existing countries or code.
67 foreach my $cn (@locations) {
68 # Check if blocking for this country should be enabled/disabled.
69 if (exists $cgiparams{$cn}) {
70 $settings{$cn} = "on";
71 } else {
72 $settings{$cn} = "off";
73 }
74 }
75
76 &General::writehash("$settingsfile", \%settings);
77
78# &General::firewall_config_changed();
79#
80# $notice = $Lang::tr{'p2p block save notice'};
81}
82
83&Header::openpage($Lang::tr{'geoipblock configuration'}, 1, '');
84
85# Checkbox pre-selection.
86my $checked;
87if ($settings{'GEOIPBLOCK_ENABLED'} eq "on") {
88 $checked = "checked='checked'";
89}
90
91# Print box to enable/disable geoipblock.
92print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
93
94&Header::openbox('100%', 'center', $Lang::tr{'geoipblock'});
95print <<END;
96 <table width='95%'>
97 <tr>
98 <td width='25%' class='base'>$Lang::tr{'geoipblock enable feature'}
99 <td><input type='checkbox' name='GEOIPBLOCK_ENABLED' $checked></td>
100 </tr>
101 <tr>
102 <td colspan='2'><br></td>
103 </tr>
104 </table>
105
106 <hr>
107
108 <table width='95%'>
109 <tr>
110 <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}'></td>
111 </tr>
112 </table>
113END
114
115&Header::closebox();
116
117&Header::openbox('100%', 'center', $Lang::tr{'geoipblock block countries'});
118### JAVA SCRIPT ###
119print <<END;
120<script>
121 // Function to allow checking all checkboxes at once.
122 function check_all() {
123 \$("#countries").find(":checkbox").prop("checked", true);
124 }
125
126 function uncheck_all() {
127 \$("#countries").find(":checkbox").prop("checked", false);
128 }
129</script>
130
131<table width='95%' class='tbl' id="countries">
132 <tr>
133 <td width='5%' align='center' bgcolor='$color{'color20'}'></td>
134 <td width='5%' align='center' bgcolor='$color{'color20'}'>
135 <b>$Lang::tr{'flag'}</b>
136 </td>
137 <td width='5%' align='center' bgcolor='$color{'color20'}'>
138 <b>$Lang::tr{'countrycode'}</b>
139 </td>
140 <td with='35%' align='left' bgcolor='$color{'color20'}'>
141 <b>$Lang::tr{'country'}</b>
142 </td>
143
144 <td width='5%' bgcolor='$color{'color20'}'>&nbsp;</td>
145
146 <td width='5%' align='center' bgcolor='$color{'color20'}'></td>
147 <td width='5%' align='center' bgcolor='$color{'color20'}'>
148 <b>$Lang::tr{'flag'}</b>
149 </td>
150 <td width='5%' align='center' bgcolor='$color{'color20'}'>
151 <b>$Lang::tr{'countrycode'}</b>
152 </td>
153 <td with='35%' align='left' bgcolor='$color{'color20'}'>
154 <b>$Lang::tr{'country'}</b>
155 </td>
156 </tr>
157END
158
159my $lines;
160my $lines2;
161my $col;
162foreach my $location (@locations) {
163 # Country code in upper case. (DE)
164 my $ccode_uc = $location;
165
166 # County code in lower case. (de)
167 my $ccode_lc = lc($location);
168
169 # Full name of the country based on the country code.
170 my $cname = &General::get_full_country_name($ccode_lc);
171
172 # Generate flag filename, based on the lower case written contry code
173 # and the defined file extension of the image files. (de.png)
174 my $flagfile = join('.', $ccode_lc,$extension);
175
176 # Generate the full path to the flagfile, based on the given path and
177 # the previously generated filename.
178 my $flagpath = join('/', $flagdir,$flagfile);
179
180 my $flag;
181 # Check if a flag for the country is available.
182 if (-e "$flagpath") {
183 $flag="<img src='/images/flags/$flagfile' alt='$ccode_uc' title='$ccode_uc'>";
184 } else {
185 $flag="<b>N/A</b>";
186 }
187
188 # Checkbox pre-selection.
189 my $checked;
190 if ($settings{$ccode_uc} eq "on") {
191 $checked = "checked='checked'";
192 }
193
194 # Colour lines.
195 if ($lines % 2) {
196 $col="bgcolor='$color{'color20'}'";
197 } else {
198 $col="bgcolor='$color{'color22'}'";
199 }
200
201 # Grouping elements.
202 my $line_start;
203 my $line_end;
204 if ($lines2 % 2) {
205 # Increase lines (background color by once.
206 $lines++;
207
208 # Add empty column in front.
209 $line_start="<td $col>&nbsp;</td>";
210
211 # When the line number can be diveded by "2",
212 # we are going to close the line.
213 $line_end="</tr>";
214 } else {
215 # When the line number is not divideable by "2",
216 # we are starting a new line.
217 $line_start="<tr>";
218 $line_end;
219 }
220
221 print "$line_start<td align='center' $col><input type='checkbox' name='$ccode_uc' $checked></td>\n";
222 print "<td align='center' $col>$flag</td>\n";
223 print "<td align='center' $col>$ccode_uc</td>\n";
224 print "<td align='left' $col>$cname</td>$line_end\n";
225
226$lines2++;
227}
228
229print <<END;
230</table>
231
232<table width='95%'>
233 <tr>
234 <td align='right'>
235 <a href="javascript:check_all()">$Lang::tr{'check all'}</a> /
236 <a href="javascript:uncheck_all()">$Lang::tr{'uncheck all'}</a>
237 </td>
238 </tr>
239 <tr>
240 <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}'></td>
241 </tr>
242</table>
243
244<hr>
245
246<table width='70%'>
247 <tr>
248 <td width='5%'><img src='/images/on.gif'></td>
249 <td>$Lang::tr{'geoipblock country is blocked'}</td>
250 <td width='5%'><img src='/images/off.gif'></td>
251 <td>$Lang::tr{'geoipblock country is allowed'}</td>
252 </tr>
253</table>
254END
255
256&Header::closebox();
257print"</form>\n";
258
259&Header::closebigbox();
260&Header::closepage();
261
262sub get_geoip_locations() {
263 # Path to the directory which contains the binary geoip
264 # databases.
265 my $directory="/usr/share/xt_geoip/BE";
266
267 # Array with the final contry codes list.
268 my @contry_codes;
269
270 # Open location and do a directory listing.
271 opendir(DIR, "$directory");
272 my @locations = readdir(DIR);
273 closedir(DIR);
274
275 # Loop through the directory listing, and cut of the file extensions.
276 foreach my $location (sort @locations) {
277 # skip . and ..
278 next if($location =~ /^\.$/);
279 next if($location =~ /^\.\.$/);
280
281 # Remove whitespaces.
282 chomp($location);
283
284 # Cut-off file extension.
285 my ($contry_code, $extension) = split(/\./, $location);
286
287 # Add country code to array.
288 push(@contry_codes, $contry_code);
289 }
290
291 return @contry_codes;
292}