Viewing file:  clear.cgi (2.82 KB) -rwxr-xr-x
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#!/usr/bin/perl
# clear.cgi
# Delete the cache, chown the directory to the correct user and re-run squid -z
use strict;
use warnings;
our (%text, %in, %access, $squid_version, %config);
require './squid-lib.pl';
$access{'rebuild'} || &error($text{'clear_ecannot'});
&ReadParse();
$config{'cache_dir'} =~ /^\/\S+/ || &error("Cache directory not set");
my $conf = &get_config();
if (!$in{'confirm'}) {
# Ask the user if he is sure
&ui_print_header(undef, $text{'clear_header'}, "");
print &ui_confirmation_form(
"clear.cgi",
$text{'clear_msgclear'}."<br>".$text{'clear_msgclear2'},
[],
[ [ 'confirm', $text{'clear_buttclear'} ] ]);
if (&has_command($config{'squidclient'})) {
# Show form to clear just one URL
print &ui_hr();
print &ui_form_start("purge.cgi");
print "<b>$text{'clear_url'}</b>\n";
print &ui_textbox("url", undef, 50),"\n";
print &ui_submit($text{'clear_ok'}),"<br>\n";
print &ui_form_end();
}
&ui_print_footer("", $text{'clear_return'});
exit;
}
&ui_print_unbuffered_header(undef, $text{'clear_header'}, "");
# Stop squid (if running)
my $pid = &is_squid_running();
my $stopped = 0;
if ($pid && kill(0, $pid)) {
print "$text{'clear_stop'}<br>\n";
&system_logged("$config{'squid_path'} -f $config{'squid_conf'} ".
"-k shutdown >/dev/null 2>&1");
for(my $i=0; $i<40; $i++) {
if (!kill(0, $pid)) { last; }
sleep(1);
}
print "$text{'clear_done'}<p>\n";
$stopped++;
}
# Get list of cache dirs
my @caches;
if (my @cachestruct = &find_config("cache_dir", $conf)) {
if ($squid_version >= 2.3) {
@caches = map { $_->{'values'}->[1] } @cachestruct;
}
else {
@caches = map { $_->{'values'}->[0] } @cachestruct;
}
}
else {
@caches = ( $config{'cache_dir'} );
}
# Delete old cache files and re-create with same permissions!
print "$text{'clear_del'}<br>\n";
foreach my $c (@caches) {
my @st = stat($c);
if (@st) {
&system_logged("rm -rf ".quotemeta($c)."/* >/dev/null 2>&1");
#mkdir($c, 0755); # only remove contents
#chown($st[4], $st[5], $c);
#chmod($st[2], $c);
}
}
print "$text{'clear_done'}<p>\n";
my $cmd = "$config{'squid_path'} -f $config{'squid_conf'} -z";
print &text('clear_init',$cmd)."<br>\n";
print "<pre>\n";
&additional_log('exec', undef, $cmd);
open(INIT, "$cmd 2>&1 |");
while(<INIT>) {
print &html_escape($_);
}
close(INIT);
print "</pre>\n";
print "$text{'clear_done'}<p>\n";
# Try to re-start squid
if ($stopped) {
my $temp = &transname();
&system_logged("$config{'squid_path'} -sY -f $config{'squid_conf'} >$temp 2>&1 </dev/null &");
sleep(3);
my $errs = &read_file_contents($temp);
unlink($temp);
if ($errs) {
&system_logged("$config{'squid_path'} -k shutdown -f $config{'squid_conf'} >/dev/null 2>&1");
print "$text{'clear_failrestart'}<br>\n";
print "<pre>$errs</pre>\n";
}
}
&webmin_log("clear");
&ui_print_footer("", $text{'clear_return'});
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