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|
#!/usr/bin/perl
# qutebrowser-cookiecleaner
# Copyright (C) Eskild Hustvedt 2018
#
# 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.
#
# 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
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
use 5.014;
use warnings;
use DBI;
use List::Util 1.33 qw(all);
use File::Basename qw(basename);
use Getopt::Long;
use File::Glob qw(bsd_glob);
use constant {
V_INFO => 1,
};
my $VERSION = 0.1;
my $verbosity = 0;
my $XDG_DATA_HOME = $ENV{XDG_DATA_HOME} ? $ENV{XDG_DATA_HOME} : $ENV{HOME}.'/.local/share';
my $XDG_CONFIG_HOME = $ENV{XDG_CONFIG_HOME} ? $ENV{XDG_CONFIG_HOME} : $ENV{HOME}.'/.config';
# Output something in verbose mode
sub sayv
{
my $level = shift;
if ($verbosity >= $level)
{
say(@_);
}
}
# Retrieve a database handle
sub DBH
{
my $dbfile = $XDG_DATA_HOME.'/qutebrowser/webengine/Cookies';
if (!-e $dbfile)
{
die($dbfile.': does not exist'."\n");
}
my $dbh = DBI->connect("dbi:SQLite:dbname=$dbfile",'','');
return $dbh;
}
# Expire cookies, local storage, IndexedDB and databases, except those whitelisted
sub expireContent
{
my $dbh = DBH();
my @statements;
my @exceptions;
my @whitelist;
open(my $i,'<',$XDG_CONFIG_HOME.'/qutebrowser-cookiecleaner.list');
my $no = 0;
while (my $line = <$i>)
{
$no++;
next if $line =~ /^\s*#/;
chomp($line);
if (index($line,'%') != -1)
{
die('Line '.$no.' contains forbidden character "%"'."\n");
}
push(@exceptions,'%'.$line);
push(@statements,'host_key NOT LIKE ?');
push(@whitelist,$line);
}
close($i);
if(scalar @exceptions == 0)
{
die('Your qutebrowser-cookiecleaner.list file has no exceptions. Refusing to continue.'."\n");
}
# --
# Cookies
# --
my $sth;
my $deleteStatement = 'DELETE FROM cookies WHERE '.join(' AND ',@statements);
my $deletedEntriesStatement = 'SELECT * FROM cookies WHERE '.join(' AND ',@statements);
# If verbose mode is on, we need more information, so fetch and output the
# entries we will delete.
if ($verbosity > 0)
{
$sth = $dbh->prepare($deletedEntriesStatement);
$sth->execute(@exceptions);
while(my $entry = $sth->fetchrow_hashref)
{
sayv(V_INFO,'Deleting "'.$entry->{name}.'" for "'.$entry->{host_key}.'"');
}
}
$sth = $dbh->prepare($deleteStatement);
$sth->execute(@exceptions);
$sth = $dbh->prepare('VACUUM;');
$sth->execute();
$dbh->disconnect;
# --
# Localstorage
# --
my $localstorageDir = $XDG_DATA_HOME.'/qutebrowser/webengine/Local Storage/*.localstorage';
foreach my $file (bsd_glob($localstorageDir))
{
if(all { index(basename($file),$_) == -1 } @whitelist )
{
sayv(V_INFO,'Deleting Local Storage file '.basename($file));
unlink($file);
if (-e $file.'-journal')
{
unlink($file.'-journal');
}
}
}
foreach my $dirEntry (qw(IndexedDB databases))
{
my $dirsGlob = $XDG_DATA_HOME.'/qutebrowser/webengine/'.$dirEntry.'/*';
foreach my $dir (bsd_glob($dirsGlob))
{
next if ! -d $dir;
if(all { index(basename($dir),$_) == -1 } @whitelist )
{
sayv(V_INFO,'Deleting '.$dirEntry.' for '.basename($dir));
unlink(bsd_glob($dir.'/*')) or die("Unlink error for subtree: $dir: $!\n");
rmdir($dir) or die("Failed to rmdir $dir: $!\n");
}
}
}
}
# Main function. Command-line parsing.
sub main
{
my $wrap = 0;
GetOptions(
'help' => sub {
say 'qutebrowser-cookiecleaner version '.$VERSION;
say "";
say "Usage: qutebrowser-cookiecleaner [OPTIONS]";
say "";
say "Options:";
say " -v, --verbose Increase verbosity";
say " --help Show this help screen";
say " --wrap Wrap another command, cleaning on start and";
say " exit. See README.md for details.";
exit(0);
},
'wrap' => \$wrap,
'version' => sub
{
print 'qutebrowser-cookiecleaner version '.$VERSION."\n";
exit(0);
},
'v|verbose+' => \$verbosity,
) or do
{
if ($wrap)
{
warn('Maybe you need to add -- after --wrap (--wrap --)?'."\n")
}
die('See --help for more information'."\n");
};
if ($wrap)
{
if(scalar @ARGV == 0)
{
die('--wrap requires additional parameters: the command to run'."\n");
}
$0 = 'qutebrowser-cookiecleaner: cleaning';
expireContent();
$0 = 'qutebrowser-cookiecleaner: waiting for '.join(' ',@ARGV);
system(@ARGV);
if ($? == -1)
{
die('Failed to execute subprocess '.join(' ',@ARGV).': '.$!."\n");
}
$0 = 'qutebrowser-cookiecleaner: cleaning';
}
elsif(scalar @ARGV != 0)
{
die('Unknown parameters: '.join(' ',@ARGV)."\nDid you mean to use --wrap?\n");
}
expireContent();
}
main();
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