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342 lines
11 KiB
342 lines
11 KiB
5 years ago
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#============================================================= -*-perl-*-
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#
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# BackupPC::CGI::Browse package
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#
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# DESCRIPTION
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#
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# This module implements the Browse action for the CGI interface.
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#
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# AUTHOR
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# Craig Barratt <cbarratt@users.sourceforge.net>
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#
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# COPYRIGHT
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# Copyright (C) 2003-2019 Craig Barratt
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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#========================================================================
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#
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# Version 4.3.1, released 14 Jul 2019.
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#
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# See http://backuppc.sourceforge.net.
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#
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#========================================================================
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package BackupPC::CGI::Browse;
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use strict;
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use Encode qw/decode_utf8/;
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use BackupPC::CGI::Lib qw(:all);
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use BackupPC::View;
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use BackupPC::XS qw(:all);
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sub action
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{
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my $Privileged = CheckPermission($In{host});
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my($i, $dirStr, $fileStr, $attr);
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my $checkBoxCnt = 0;
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if ( !$Privileged ) {
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ErrorExit(eval("qq{$Lang->{Only_privileged_users_can_browse_backup_files}}"));
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}
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my $host = $In{host};
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my $num = $In{num};
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my $share = $In{share};
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my $dir = $In{dir};
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ErrorExit($Lang->{Empty_host_name}) if ( $host eq "" );
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#
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# Find the requested backup and the previous filled backup
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#
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my @Backups = $bpc->BackupInfoRead($host);
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#
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# default to the newest backup
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#
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if ( !defined($In{num}) && @Backups > 0 ) {
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$i = @Backups - 1;
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$num = $Backups[$i]{num};
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}
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for ( $i = 0 ; $i < @Backups ; $i++ ) {
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last if ( $Backups[$i]{num} == $num );
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}
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if ( $i >= @Backups || $num !~ /^\d+$/ ) {
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ErrorExit("Backup number ${EscHTML($num)} for host ${EscHTML($host)} does"
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. " not exist.");
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}
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my $backupTime = timeStamp2($Backups[$i]{startTime});
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my $backupAge = sprintf("%.1f", (time - $Backups[$i]{startTime})
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/ (24 * 3600));
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my $view = BackupPC::View->new($bpc, $host, \@Backups, {nlink => 1});
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if ( $dir eq "" || $dir eq "." || $dir eq ".." ) {
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$attr = $view->dirAttrib($num, "", "");
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if ( keys(%$attr) > 0 ) {
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$share = (sort(keys(%$attr)))[-1];
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$dir = '/';
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} else {
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ErrorExit(eval("qq{$Lang->{Directory___EscHTML}}"));
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}
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}
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$dir = "/$dir" if ( $dir !~ /^\// );
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my $relDir = $dir;
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my $currDir = undef;
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if ( $dir =~ m{(^|/)\.\.(/|$)} ) {
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ErrorExit($Lang->{Nice_try__but_you_can_t_put});
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}
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#
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# Loop up the directory tree until we hit the top.
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#
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my(@DirStrPrev);
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while ( 1 ) {
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my($fLast, $fLastum, @DirStr);
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$attr = $view->dirAttrib($num, $share, $relDir);
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if ( !defined($attr) ) {
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$relDir = decode_utf8($relDir);
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ErrorExit(eval("qq{$Lang->{Can_t_browse_bad_directory_name2}}"));
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}
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my $fileCnt = 0; # file counter
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$fLast = $dirStr = "";
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#
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# Loop over each of the files in this directory
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#
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foreach my $f ( sort {uc($a) cmp uc($b)} keys(%$attr) ) {
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my($dirOpen, $gotDir, $imgStr, $img, $path);
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my $fURI = $f; # URI escaped $f
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my $shareURI = $share; # URI escaped $share
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if ( $relDir eq "" ) {
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$path = "/$f";
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} else {
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($path = "$relDir/$f") =~ s{//+}{/}g;
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}
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if ( $shareURI eq "" ) {
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$shareURI = $f;
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$path = "/";
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}
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$path =~ s{^/+}{/};
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$path =~ s/([^\w.\/-])/uc sprintf("%%%02X", ord($1))/eg;
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$fURI =~ s/([^\w.\/-])/uc sprintf("%%%02X", ord($1))/eg;
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$shareURI =~ s/([^\w.\/-])/uc sprintf("%%%02X", ord($1))/eg;
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$dirOpen = 1 if ( defined($currDir) && $f eq $currDir );
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if ( $attr->{$f}{type} == BPC_FTYPE_DIR ) {
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#
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# Display directory if it exists in current backup.
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# First find out if there are subdirs
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#
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my $subDirAttr = $share eq "" ? $view->dirAttrib($num, $f, "/")
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: $view->dirAttrib($num, $share, "$relDir/$f");
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my $subDirCnt = 0;
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my $tdStyle;
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my $linkStyle = "fview";
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foreach my $sub ( keys(%$subDirAttr) ) {
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next if ( $subDirAttr->{$sub}{type} != BPC_FTYPE_DIR );
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$subDirCnt++;
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}
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$img |= 1 << 6;
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$img |= 1 << 5 if ( $subDirCnt );
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if ( $dirOpen ) {
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$linkStyle = "fviewbold";
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$img |= 1 << 2;
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$img |= 1 << 3 if ( $subDirCnt );
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}
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my $imgFileName = sprintf("%07b.gif", $img);
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$imgStr = "<img src=\"$Conf{CgiImageDirURL}/$imgFileName\" align=\"absmiddle\" width=\"9\" height=\"19\" border=\"0\">";
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if ( "$relDir/$f" eq $dir ) {
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$tdStyle = "fviewon";
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} else {
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$tdStyle = "fviewoff";
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}
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my $dirName = $f;
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$dirName =~ s/ / /g;
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$dirName = decode_utf8($dirName);
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push(@DirStr, {needTick => 1,
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tdArgs => " class=\"$tdStyle\"",
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link => <<EOF});
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<a href="$MyURL?action=browse&host=${EscURI($host)}&num=$num&share=$shareURI&dir=$path">$imgStr</a><a href="$MyURL?action=browse&host=${EscURI($host)}&num=$num&share=$shareURI&dir=$path" class="$linkStyle"> $dirName</a></td></tr>
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EOF
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$fileCnt++;
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$gotDir = 1;
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if ( $dirOpen ) {
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my($lastTick, $doneLastTick);
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foreach my $d ( @DirStrPrev ) {
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$lastTick = $d if ( $d->{needTick} );
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}
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$doneLastTick = 1 if ( !defined($lastTick) );
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foreach my $d ( @DirStrPrev ) {
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$img = 0;
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if ( $d->{needTick} ) {
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$img |= 1 << 0;
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}
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if ( $d == $lastTick ) {
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$img |= 1 << 4;
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$doneLastTick = 1;
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} elsif ( !$doneLastTick ) {
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$img |= 1 << 3 | 1 << 4;
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}
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my $imgFileName = sprintf("%07b.gif", $img);
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$imgStr = "<img src=\"$Conf{CgiImageDirURL}/$imgFileName\" align=\"absmiddle\" width=\"9\" height=\"19\" border=\"0\">";
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push(@DirStr, {needTick => 0,
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tdArgs => $d->{tdArgs},
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link => $imgStr . $d->{link}
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});
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}
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}
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}
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if ( $relDir eq $dir ) {
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#
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# This is the selected directory, so display all the files
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#
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my ($attrStr, $iconStr);
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if ( defined($a = $attr->{$f}) ) {
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my $mtimeStr = $bpc->timeStamp($a->{mtime});
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# UGH -> fix this
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my $typeStr = BackupPC::XS::Attrib::fileType2Text($a->{type});
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my $modeStr = sprintf("0%o", $a->{mode} & 07777);
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$iconStr = <<EOF;
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<img src="$Conf{CgiImageDirURL}/icon-$typeStr.png" valign="top">
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EOF
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$attrStr .= <<EOF;
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<td align="center" class="fviewborder">$typeStr</td>
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<td align="center" class="fviewborder">$modeStr</td>
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<td align="center" class="fviewborder">$a->{backupNum}</td>
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<td align="right" class="fviewborder">$a->{size}</td>
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<td align="right" class="fviewborder">$mtimeStr</td>
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</tr>
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EOF
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} else {
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$attrStr .= "<td colspan=\"5\" align=\"center\" class=\"fviewborder\"> </td>\n";
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}
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(my $fDisp = "${EscHTML($f)}") =~ s/ / /g;
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$fDisp = decode_utf8($fDisp);
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if ( $gotDir ) {
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$fileStr .= <<EOF;
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<tr><td class="fviewborder">
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<input type="checkbox" name="fcb$checkBoxCnt" value="$path"> $iconStr <a href="$MyURL?action=browse&host=${EscURI($host)}&num=$num&share=$shareURI&dir=$path">$fDisp</a>
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</td>
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$attrStr
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</tr>
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EOF
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} else {
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$fileStr .= <<EOF;
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<tr><td class="fviewborder">
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<input type="checkbox" name="fcb$checkBoxCnt" value="$path"> $iconStr <a href="$MyURL?action=RestoreFile&host=${EscURI($host)}&num=$num&share=$shareURI&dir=$path">$fDisp</a>
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</td>
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$attrStr
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</tr>
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EOF
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}
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$checkBoxCnt++;
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}
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}
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@DirStrPrev = @DirStr;
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last if ( $relDir eq "" && $share eq "" );
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#
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# Prune the last directory off $relDir, or at the very end
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# do the top-level directory.
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#
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if ( $relDir eq "" || $relDir eq "/" || $relDir !~ /(.*)\/(.*)/ ) {
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$currDir = $share;
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$share = "";
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$relDir = "";
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} else {
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$relDir = $1;
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$currDir = $2;
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}
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}
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$share = $currDir;
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my $shareURI = $share;
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$shareURI =~ s/([^\w.\/-])/uc sprintf("%%%02x", ord($1))/eg;
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#
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# allow each level of the directory path to be navigated to
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#
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my($thisPath, $dirDisplay);
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my $dirClean = $dir;
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$dirClean =~ s{//+}{/}g;
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$dirClean =~ s{/+$}{};
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my @dirElts = split(/\//, $dirClean);
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@dirElts = ("/") if ( !@dirElts );
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foreach my $d ( @dirElts ) {
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my($thisDir);
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if ( $thisPath eq "" ) {
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$thisDir = decode_utf8($share);
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$thisPath = "/";
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} else {
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$thisPath .= "/" if ( $thisPath ne "/" );
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$thisPath .= "$d";
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$thisDir = decode_utf8($d);
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}
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my $thisPathURI = $thisPath;
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$thisPathURI =~ s/([^\w.\/-])/uc sprintf("%%%02x", ord($1))/eg;
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$dirDisplay .= "/" if ( $dirDisplay ne "" );
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$dirDisplay .= "<a href=\"$MyURL?action=browse&host=${EscURI($host)}&num=$num&share=$shareURI&dir=$thisPathURI\">${EscHTML($thisDir)}</a>";
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}
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my $filledBackup;
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if ( (my @mergeNums = @{$view->mergeNums}) > 1 ) {
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shift(@mergeNums);
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my $numF = join(", #", @mergeNums);
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$filledBackup = eval("qq{$Lang->{This_display_is_merged_with_backup}}");
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}
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foreach my $d ( @DirStrPrev ) {
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$dirStr .= "<tr><td$d->{tdArgs}>$d->{link}\n";
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}
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### hide checkall button if there are no files
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my ($topCheckAll, $checkAll, $fileHeader);
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if ( $fileStr ) {
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$fileHeader = eval("qq{$Lang->{fileHeader}}");
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$checkAll = $Lang->{checkAll};
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# and put a checkall box on top if there are at least 20 files
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if ( $checkBoxCnt >= 20 ) {
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$topCheckAll = $checkAll;
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$topCheckAll =~ s{allFiles}{allFilestop}g;
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}
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} else {
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$fileStr = eval("qq{$Lang->{The_directory_is_empty}}");
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}
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my $pathURI = $dir;
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$pathURI =~ s/([^\w.\/-])/uc sprintf("%%%02x", ord($1))/eg;
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if ( my @otherDirs = $view->backupList($share, $dir) ) {
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my $otherDirs;
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foreach my $i ( @otherDirs ) {
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my $selected;
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my $showDate = timeStamp2($Backups[$i]{startTime});
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my $backupNum = $Backups[$i]{num};
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$selected = " selected" if ( $backupNum == $num );
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$otherDirs .= "<option value=\"$MyURL?action=browse&host=${EscURI($host)}&num=$backupNum&share=$shareURI&dir=$pathURI\"$selected>#$backupNum - ($showDate)</option>\n";
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}
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$filledBackup .= eval("qq{$Lang->{Visit_this_directory_in_backup}}");
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}
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$dir = decode_utf8($dir);
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$share = decode_utf8($share);
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my $content = eval("qq{$Lang->{Backup_browse_for__host}}");
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Header(eval("qq{$Lang->{Browse_backup__num_for__host}}"), $content);
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Trailer();
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}
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1;
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