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# --
# Kernel/System/Web/UploadCache/DB.pm - a db upload cache
# Copyright (C) 2001-2007 OTRS GmbH, http://otrs.org/
# --
# $Id: DB.pm,v 1.9 2007/05/07 08:29:23 martin Exp $
# --
# This software comes with ABSOLUTELY NO WARRANTY. For details, see
# the enclosed file COPYING for license information (GPL). If you
# did not receive this file, see http://www.gnu.org/licenses/gpl.txt.
# --
package Kernel::System::Web::UploadCache::DB;
use strict;
use MIME::Base64;
use vars qw($VERSION);
$VERSION = '$Revision: 1.9 $ ';
$VERSION =~ s/^\$.*:\W(.*)\W.+?$/$1/;
sub new {
my $Type = shift;
my %Param = @_;
# allocate new hash for object
my $Self = {};
bless ($Self, $Type);
# check needed objects
foreach (qw(ConfigObject LogObject DBObject EncodeObject)) {
$Self->{$_} = $Param{$_} || die "Got no $_!";
}
return $Self;
}
sub FormIDCreate {
my $Self = shift;
my %Param = @_;
# cleanup temp form ids
$Self->FormIDCleanUp();
# return requested form id
return time().'.'.rand(12341241);
}
sub FormIDRemove {
my $Self = shift;
my %Param = @_;
foreach (qw(FormID)) {
if (!$Param{$_}) {
$Self->{LogObject}->Log(Priority => 'error', Message => "Need $_!");
return;
}
}
return $Self->{DBObject}->Do(
SQL => "DELETE FROM web_upload_cache WHERE form_id = '$Param{FormID}'",
);
}
sub FormIDAddFile {
my $Self = shift;
my %Param = @_;
foreach (qw(FormID Filename Content ContentType)) {
if (!$Param{$_}) {
$Self->{LogObject}->Log(Priority => 'error', Message => "Need $_!");
return;
}
}
# get file size
{
use bytes;
$Param{Filesize} = length($Param{Content});
no bytes;
}
# encode attachemnt if it's a postgresql backend!!!
if (!$Self->{DBObject}->GetDatabaseFunction('DirectBlob')) {
$Self->{EncodeObject}->EncodeOutput(\$Param{Content});
$Param{Content} = encode_base64($Param{Content});
}
# db quote (just not Content, use db Bind values)
foreach (qw(FormID Filename ContentType Filesize)) {
$Param{$_} = $Self->{DBObject}->Quote($Param{$_});
}
my $SQL = "INSERT INTO web_upload_cache ".
" (form_id, filename, content_type, content_size, content, ".
" create_time_unix) " .
" VALUES ".
" ('$Param{FormID}', '$Param{Filename}', '$Param{ContentType}', ".
" '$Param{Filesize}', ?, ".time().")";
# write attachment to db
return $Self->{DBObject}->Do(SQL => $SQL, Bind => [\$Param{Content}]);
}
sub FormIDRemoveFile {
my $Self = shift;
my %Param = @_;
foreach (qw(FormID FileID)) {
if (!$Param{$_}) {
$Self->{LogObject}->Log(Priority => 'error', Message => "Need $_!");
return;
}
}
my @Index = @{$Self->FormIDGetAllFilesMeta(%Param)};
my $ID = $Param{FileID}-1;
$Param{Filename} = $Index[$ID]->{Filename};
# db quote
foreach (qw(FormID Filename)) {
$Param{$_} = $Self->{DBObject}->Quote($Param{$_});
}
return $Self->{DBObject}->Do(
SQL => "DELETE FROM web_upload_cache WHERE form_id = '$Param{FormID}' AND filename = '$Param{Filename}'",
);
}
sub FormIDGetAllFilesData {
my $Self = shift;
my %Param = @_;
my $Counter = 0;
my @Data = ();
foreach (qw(FormID)) {
if (!$Param{$_}) {
$Self->{LogObject}->Log(Priority => 'error', Message => "Need $_!");
return;
}
}
my $SQL = "SELECT filename, content_type, content_size, content FROM web_upload_cache ".
" WHERE ".
" form_id = '".$Self->{DBObject}->Quote($Param{FormID})."'".
" ORDER BY create_time_unix";
$Self->{DBObject}->Prepare(SQL => $SQL, Encode => [1,1,1,0]);
while (my @Row = $Self->{DBObject}->FetchrowArray()) {
$Counter++;
# human readable file size
if ($Row[2]) {
if ($Row[2] > (1024*1024)) {
$Row[2] = sprintf "%.1f MBytes", ($Row[2]/(1024*1024));
}
elsif ($Row[2] > 1024) {
$Row[2] = sprintf "%.1f KBytes", (($Row[2]/1024));
}
else {
$Row[2] = $Row[2].' Bytes';
}
}
# encode attachemnt if it's a postgresql backend!!!
if (!$Self->{DBObject}->GetDatabaseFunction('DirectBlob')) {
$Row[3] = decode_base64($Row[3]);
}
# add the info
push (@Data, {
Content => $Row[3],
ContentType => $Row[1],
Filename => $Row[0],
Filesize => $Row[2],
FileID => $Counter,
});
}
return \@Data;
}
sub FormIDGetAllFilesMeta {
my $Self = shift;
my %Param = @_;
my $Counter = 0;
my @Data = ();
foreach (qw(FormID)) {
if (!$Param{$_}) {
$Self->{LogObject}->Log(Priority => 'error', Message => "Need $_!");
return;
}
}
my $SQL = "SELECT filename, content_type, content_size FROM web_upload_cache ".
" WHERE ".
" form_id = '".$Self->{DBObject}->Quote($Param{FormID})."'".
" ORDER BY create_time_unix";
$Self->{DBObject}->Prepare(SQL => $SQL);
while (my @Row = $Self->{DBObject}->FetchrowArray()) {
$Counter++;
# human readable file size
if ($Row[2]) {
if ($Row[2] > (1024*1024)) {
$Row[2] = sprintf "%.1f MBytes", ($Row[2]/(1024*1024));
}
elsif ($Row[2] > 1024) {
$Row[2] = sprintf "%.1f KBytes", (($Row[2]/1024));
}
else {
$Row[2] = $Row[2].' Bytes';
}
}
# add the info
push (@Data, {
ContentType => $Row[1],
Filename => $Row[0],
Filesize => $Row[2],
FileID => $Counter,
});
}
return \@Data;
}
sub FormIDCleanUp {
my $Self = shift;
my %Param = @_;
my $CurrentTile = time() - (60*60*24*1);
return $Self->{DBObject}->Do(
SQL => "DELETE FROM web_upload_cache WHERE create_time_unix < $CurrentTile",
);
}
1;
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