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dpavlin |
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#============================================================= -*-perl-*- |
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# |
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# BackupPC::CGI::Restore package |
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# |
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# DESCRIPTION |
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# |
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# This module implements the Restore 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 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 2 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, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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#======================================================================== |
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# |
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# Version 2.1.0, released 20 Jun 2004. |
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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::Restore; |
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use strict; |
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use BackupPC::CGI::Lib qw(:all); |
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use Data::Dumper; |
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use File::Path; |
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sub action |
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{ |
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my($str, $reply, $content); |
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my $Privileged = CheckPermission($In{host}); |
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if ( !$Privileged ) { |
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ErrorExit(eval("qq{$Lang->{Only_privileged_users_can_restore_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(@fileList, $fileListStr, $hiddenStr, $pathHdr, $badFileCnt); |
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my @Backups = $bpc->BackupInfoRead($host); |
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ServerConnect(); |
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if ( !defined($Hosts->{$host}) ) { |
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ErrorExit(eval("qq{$Lang->{Bad_host_name}}")); |
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} |
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for ( my $i = 0 ; $i < $In{fcbMax} ; $i++ ) { |
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next if ( !defined($In{"fcb$i"}) ); |
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(my $name = $In{"fcb$i"}) =~ s/%([0-9A-F]{2})/chr(hex($1))/eg; |
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$badFileCnt++ if ( $name =~ m{(^|/)\.\.(/|$)} ); |
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if ( @fileList == 0 ) { |
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$pathHdr = substr($name, 0, rindex($name, "/")); |
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} else { |
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while ( substr($name, 0, length($pathHdr)) ne $pathHdr ) { |
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$pathHdr = substr($pathHdr, 0, rindex($pathHdr, "/")); |
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} |
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} |
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push(@fileList, $name); |
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$hiddenStr .= <<EOF; |
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<input type="hidden" name="fcb$i" value="$In{'fcb' . $i}"> |
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EOF |
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$fileListStr .= <<EOF; |
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<li> ${EscHTML($name)} |
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EOF |
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} |
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$hiddenStr .= "<input type=\"hidden\" name=\"fcbMax\" value=\"$In{fcbMax}\">\n"; |
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$hiddenStr .= "<input type=\"hidden\" name=\"share\" value=\"${EscHTML($share)}\">\n"; |
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$badFileCnt++ if ( $In{pathHdr} =~ m{(^|/)\.\.(/|$)} ); |
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$badFileCnt++ if ( $In{num} =~ m{(^|/)\.\.(/|$)} ); |
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if ( @fileList == 0 ) { |
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ErrorExit($Lang->{You_haven_t_selected_any_files__please_go_Back_to}); |
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} |
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if ( $badFileCnt ) { |
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ErrorExit($Lang->{Nice_try__but_you_can_t_put}); |
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} |
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$pathHdr = "/" if ( $pathHdr eq "" ); |
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if ( $In{type} != 0 && @fileList == $In{fcbMax} ) { |
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# |
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# All the files in the list were selected, so just restore the |
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# entire parent directory |
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# |
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@fileList = ( $pathHdr ); |
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} |
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if ( $In{type} == 0 ) { |
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# |
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# Build list of hosts |
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# |
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my $hostDestSel; |
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my @hosts; |
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foreach my $h ( GetUserHosts(1) ) { |
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my $sel = " selected" if ( $h eq $In{host} ); |
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$hostDestSel .= "<option value=\"$h\"$sel>${EscHTML($h)}</option>"; |
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push(@hosts, $h); |
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} |
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# |
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# Tell the user what options they have |
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# |
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$content .= eval("qq{$Lang->{Restore_Options_for__host2}}"); |
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# |
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# If there is a single host, make sure direct restore is enabled |
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# |
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if ( @hosts == 1 ) { |
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# |
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# Pick up the host's config file |
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# |
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$bpc->ConfigRead($hosts[0]); |
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%Conf = $bpc->Conf(); |
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# |
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# Decide if option 1 (direct restore) is available based |
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# on whether the restore command is set. |
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# |
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my $cmd = $Conf{XferMethod} eq "smb" ? $Conf{SmbClientRestoreCmd} |
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: $Conf{XferMethod} eq "tar" ? $Conf{TarClientRestoreCmd} |
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: $Conf{XferMethod} eq "archive" ? undef |
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: $Conf{RsyncRestoreArgs}; |
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if ( defined($cmd) ) { |
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$content .= eval( |
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"qq{$Lang->{Restore_Options_for__host_Option1}}"); |
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} else { |
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my $hostDest = $hosts[0]; |
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$content .= eval( |
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"qq{$Lang->{Restore_Options_for__host_Option1_disabled}}"); |
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} |
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} else { |
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$content .= eval("qq{$Lang->{Restore_Options_for__host_Option1}}"); |
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} |
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# |
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# Verify that Archive::Zip is available before showing the |
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# zip restore option |
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# |
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if ( eval { require Archive::Zip } ) { |
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$content .= eval("qq{$Lang->{Option_2__Download_Zip_archive}}"); |
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} else { |
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$content .= eval("qq{$Lang->{Option_2__Download_Zip_archive2}}"); |
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} |
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$content .= eval("qq{$Lang->{Option_3__Download_Zip_archive}}"); |
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Header(eval("qq{$Lang->{Restore_Options_for__host}}"), $content); |
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Trailer(); |
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} elsif ( $In{type} == 1 ) { |
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# |
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# Provide the selected files via a tar archive. |
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# |
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my @fileListTrim = @fileList; |
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if ( @fileListTrim > 10 ) { |
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@fileListTrim = (@fileListTrim[0..9], '...'); |
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} |
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$bpc->ServerMesg("log User $User downloaded tar archive for $host," |
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. " backup $num; files were: " |
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. join(", ", @fileListTrim)); |
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my @pathOpts; |
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if ( $In{relative} ) { |
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@pathOpts = ("-r", $pathHdr, "-p", ""); |
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} |
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print(STDOUT <<EOF); |
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Content-Type: application/x-gtar |
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Content-Transfer-Encoding: binary |
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Content-Disposition: attachment; filename=\"restore.tar\" |
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EOF |
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# |
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# Fork the child off and manually copy the output to our stdout. |
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# This is necessary to ensure the output gets to the correct place |
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# under mod_perl. |
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# |
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$bpc->cmdSystemOrEvalLong(["$BinDir/BackupPC_tarCreate", |
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"-h", $host, |
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"-n", $num, |
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"-s", $share, |
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@pathOpts, |
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@fileList |
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], |
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sub { print(@_); }, |
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1, # ignore stderr |
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); |
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} elsif ( $In{type} == 2 ) { |
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# |
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# Provide the selected files via a zip archive. |
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# |
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my @fileListTrim = @fileList; |
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if ( @fileListTrim > 10 ) { |
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@fileListTrim = (@fileListTrim[0..9], '...'); |
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} |
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$bpc->ServerMesg("log User $User downloaded zip archive for $host," |
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. " backup $num; files were: " |
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. join(", ", @fileListTrim)); |
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my @pathOpts; |
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if ( $In{relative} ) { |
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@pathOpts = ("-r", $pathHdr, "-p", ""); |
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} |
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print(STDOUT <<EOF); |
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Content-Type: application/zip |
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Content-Transfer-Encoding: binary |
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Content-Disposition: attachment; filename=\"restore.zip\" |
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EOF |
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$In{compressLevel} = 5 if ( $In{compressLevel} !~ /^\d+$/ ); |
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# |
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# Fork the child off and manually copy the output to our stdout. |
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# This is necessary to ensure the output gets to the correct place |
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# under mod_perl. |
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# |
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$bpc->cmdSystemOrEvalLong(["$BinDir/BackupPC_zipCreate", |
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"-h", $host, |
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"-n", $num, |
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"-c", $In{compressLevel}, |
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"-s", $share, |
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@pathOpts, |
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@fileList |
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], |
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sub { print(@_); }, |
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1, # ignore stderr |
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); |
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} elsif ( $In{type} == 3 ) { |
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# |
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# Do restore directly onto host |
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# |
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if ( !defined($Hosts->{$In{hostDest}}) ) { |
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ErrorExit(eval("qq{$Lang->{Host__doesn_t_exist}}")); |
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} |
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if ( !CheckPermission($In{hostDest}) ) { |
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ErrorExit(eval("qq{$Lang->{You_don_t_have_permission_to_restore_onto_host}}")); |
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} |
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# |
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# Pick up the destination host's config file |
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# |
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my $hostDest = $1 if ( $In{hostDest} =~ /(.*)/ ); |
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$bpc->ConfigRead($hostDest); |
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%Conf = $bpc->Conf(); |
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# |
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# Decide if option 1 (direct restore) is available based |
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# on whether the restore command is set. |
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# |
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my $cmd = $Conf{XferMethod} eq "smb" ? $Conf{SmbClientRestoreCmd} |
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: $Conf{XferMethod} eq "tar" ? $Conf{TarClientRestoreCmd} |
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: $Conf{XferMethod} eq "archive" ? undef |
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: $Conf{RsyncRestoreArgs}; |
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if ( !defined($cmd) ) { |
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ErrorExit(eval("qq{$Lang->{Restore_Options_for__host_Option1_disabled}}")); |
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} |
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$fileListStr = ""; |
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foreach my $f ( @fileList ) { |
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my $targetFile = $f; |
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(my $strippedShare = $share) =~ s/^\///; |
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(my $strippedShareDest = $In{shareDest}) =~ s/^\///; |
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substr($targetFile, 0, length($pathHdr)) = "/$In{pathHdr}/"; |
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$targetFile =~ s{//+}{/}g; |
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$fileListStr .= <<EOF; |
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<tr><td>$host:/$strippedShare$f</td><td>$In{hostDest}:/$strippedShareDest$targetFile</td></tr> |
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EOF |
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} |
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my $content = eval("qq{$Lang->{Are_you_sure}}"); |
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Header(eval("qq{$Lang->{Restore_Confirm_on__host}}"), $content); |
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Trailer(); |
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} elsif ( $In{type} == 4 ) { |
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if ( !defined($Hosts->{$In{hostDest}}) ) { |
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ErrorExit(eval("qq{$Lang->{Host__doesn_t_exist}}")); |
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} |
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if ( !CheckPermission($In{hostDest}) ) { |
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ErrorExit(eval("qq{$Lang->{You_don_t_have_permission_to_restore_onto_host}}")); |
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} |
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my $hostDest = $1 if ( $In{hostDest} =~ /(.+)/ ); |
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my $ipAddr = ConfirmIPAddress($hostDest); |
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# |
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# Prepare and send the restore request. We write the request |
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# information using Data::Dumper to a unique file, |
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# $TopDir/pc/$hostDest/restoreReq.$$.n. We use a file |
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# in case the list of files to restore is very long. |
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# |
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my $reqFileName; |
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for ( my $i = 0 ; ; $i++ ) { |
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$reqFileName = "restoreReq.$$.$i"; |
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last if ( !-f "$TopDir/pc/$hostDest/$reqFileName" ); |
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} |
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my $inPathHdr = $In{pathHdr}; |
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$inPathHdr = "/$inPathHdr" if ( $inPathHdr !~ m{^/} ); |
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$inPathHdr = "$inPathHdr/" if ( $inPathHdr !~ m{/$} ); |
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my %restoreReq = ( |
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# source of restore is hostSrc, #num, path shareSrc/pathHdrSrc |
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num => $In{num}, |
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hostSrc => $host, |
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shareSrc => $share, |
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pathHdrSrc => $pathHdr, |
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# destination of restore is hostDest:shareDest/pathHdrDest |
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hostDest => $hostDest, |
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shareDest => $In{shareDest}, |
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pathHdrDest => $inPathHdr, |
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# list of files to restore |
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fileList => \@fileList, |
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# other info |
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user => $User, |
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reqTime => time, |
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); |
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my($dump) = Data::Dumper->new( |
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[ \%restoreReq], |
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[qw(*RestoreReq)]); |
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$dump->Indent(1); |
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mkpath("$TopDir/pc/$hostDest", 0, 0777) |
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if ( !-d "$TopDir/pc/$hostDest" ); |
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if ( open(REQ, ">$TopDir/pc/$hostDest/$reqFileName") ) { |
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binmode(REQ); |
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print(REQ $dump->Dump); |
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close(REQ); |
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} else { |
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ErrorExit(eval("qq{$Lang->{Can_t_open_create}}")); |
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} |
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$reply = $bpc->ServerMesg("restore ${EscURI($ipAddr)}" |
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. " ${EscURI($hostDest)} $User $reqFileName"); |
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$str = eval("qq{$Lang->{Restore_requested_to_host__hostDest__backup___num}}"); |
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my $content = eval("qq{$Lang->{Reply_from_server_was___reply}}"); |
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Header(eval("qq{$Lang->{Restore_Requested_on__hostDest}}"), $content); |
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Trailer(); |
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} |
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} |
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1; |
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