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##############################################################################
# The Faq-O-Matic is Copyright 1997 by Jon Howell, all rights reserved. #
# #
# 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 2 #
# 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, write to the Free Software #
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.#
# #
# Jon Howell can be contacted at: #
# 6211 Sudikoff Lab, Dartmouth College #
# Hanover, NH 03755-3510 #
# jonh@cs.dartmouth.edu #
# #
# An electronic copy of the GPL is available at: #
# http://www.gnu.org/copyleft/gpl.html #
# #
##############################################################################
use strict;
package FAQ::OMatic::submitBag;
use CGI;
use FAQ::OMatic::Item;
use FAQ::OMatic;
use FAQ::OMatic::Auth;
use FAQ::OMatic::Bags;
use FAQ::OMatic::I18N;
sub main {
my $cgi = FAQ::OMatic::dispatch::cgi();
my $rt = '';
my $params = FAQ::OMatic::getParams($cgi);
FAQ::OMatic::mirrorsCantEdit($cgi, $params);
#
# jpell - Default filename if not specified.
# THANKS to Jason Pell <jason.pell@callista.com.au> for submitting
# these patches that improve bag handling.
#
my $clientFname = $params->{'_bagName'};
# If _bagName not defined, use the filename instead.
if($clientFname eq ''){
my $bagData = $cgi->param('_bagData');
if ($bagData){
# Get the client clientFname here.
$clientFname = $cgi->uploadInfo($bagData)->{'Content-Disposition'};
if( $clientFname=~/ filename="?([^\";]*)"?/ ){
$clientFname = $1;
# Replace dos separators, so we can search for / only.
$clientFname =~ tr/\\/\//;
if($clientFname =~ m#^(.*/)?(.*)#s ){
$clientFname = $2;
}
}
}
}
my $bagName = FAQ::OMatic::Bags::untaintBagName($clientFname);
if ($bagName eq '') {
FAQ::OMatic::gripe('error', gettext("Bag names may only contain letters, numbers, underscores (_), hyphens (-), and periods (.), and may not end in '.desc'. Yours was")." \"$bagName\".");
}
if (-f $FAQ::OMatic::Config::bagsDir.$bagName) {
# bag exists
FAQ::OMatic::Auth::ensurePerm('-item'=>'',
'-operation'=>'PermReplaceBag',
'-restart'=>FAQ::OMatic::commandName(),
'-cgi'=>$cgi,
'-extraTime'=>1,
'-xreason'=>'replace',
'-failexit'=>1);
} else {
# new bag name
FAQ::OMatic::Auth::ensurePerm('-item'=>'',
'-operation'=>'PermNewBag',
'-restart'=>FAQ::OMatic::commandName(),
'-cgi'=>$cgi,
'-extraTime'=>1,
'-failexit'=>1);
}
# get the bag contents
my $bagTmpName = 'newbag.'.FAQ::OMatic::nonce();
if (not open(BAGFILE, ">".$FAQ::OMatic::Config::bagsDir.$bagTmpName)) {
FAQ::OMatic::gripe('error', "Couldn't store incoming bag $bagName: $!");
}
# THANKS: to John Nolan <JNolan@n2k.com> for fixing the reference
# to the filehandle returned by CGI.pm in the next line.
my $sizeBytes = 0;
my $buf;
my $formDataHandle = $cgi->param('_bagData');
if ($formDataHandle) {
# The next line will make the 'use strict' pragma throw an error
# if you're using an old CGI.pm. It has been tested and seen
# to work with CGI.pm 2.46 and newer, so upgrade.
while (bagread($formDataHandle, \$buf, 4096)) {
print BAGFILE $buf;
$sizeBytes += length($buf);
# TODO: should have admin-configurable length limit here
# TODO: and in similar submitPart.pm code
}
close BAGFILE;
}
if ($sizeBytes > 0) {
if (not rename($FAQ::OMatic::Config::bagsDir.$bagTmpName,
$FAQ::OMatic::Config::bagsDir.$bagName)) {
FAQ::OMatic::gripe('error', "Couldn't rename "
.$FAQ::OMatic::Config::bagsDir.$bagTmpName
." to "
.$FAQ::OMatic::Config::bagsDir.$bagName);
}
if (not chmod(0644, $FAQ::OMatic::Config::bagsDir.$bagName)) {
FAQ::OMatic::gripe('problem', "chmod("
.$FAQ::OMatic::Config::bagsDir.$bagName
.") failed: $!");
}
} else {
# no bag file sent; discard bag file
if (not unlink($FAQ::OMatic::Config::bagsDir.$bagTmpName)) {
FAQ::OMatic::gripe('problem', "Couldn't unlink "
.$FAQ::OMatic::Config::bagsDir.$bagTmpName);
}
}
# get bag description info
my $bagDesc = FAQ::OMatic::Bags::getBagDesc($bagName);
$bagDesc->setProperty('SizeWidth', $params->{'_sizeWidth'} || '');
$bagDesc->setProperty('SizeHeight', $params->{'_sizeHeight'} || '');
# don't change $sizeBytes property if we don't have a new valid value
if ($sizeBytes > 0) {
$bagDesc->setProperty('SizeBytes', $sizeBytes);
}
FAQ::OMatic::Bags::saveBagDesc($bagDesc);
# add link to part if info provided
my $partnum = $params->{'partnum'};
$partnum = -1 if (not defined $partnum);
if ($partnum>=0) {
my $itemName = $params->{'file'} || '';
my $item = new FAQ::OMatic::Item($itemName);
my $part = $item->getPart($partnum);
# TODO: Check that legal image extension!
my $bagInline = $cgi->param('_bagInline')||'';
if("$bagInline" eq "y"){
$part->{'Text'}.="\n<baginline:$bagName>\n";
}else{
$part->{'Text'}.="\n<baglink:$bagName>\n";
}
$item->saveToFile();
}
# update any items that depend on this bag
# This is the only place that bags (or their .descs) can change,
# currently, # so it's reasonable to do the dependency-drive
# updates here. If it ever becomes the case that we write bags
# in another place, factor this code out.
foreach my $dependent
(FAQ::OMatic::Item::getDependencies("bags.".$bagName)) {
my $dependentItem = new FAQ::OMatic::Item($dependent);
$dependentItem->writeCacheCopy();
}
my $url = FAQ::OMatic::makeAref('-command'=>'faq',
'-params'=>$params,
'-changedParams'=>{'partnum'=>'', 'checkSequenceNumber'=>''},
'-refType'=>'url');
FAQ::OMatic::redirect($cgi, $url);
}
sub bagread {
my $formDataHandle = shift;
my $buf = shift;
my $rc;
eval { $rc = read($formDataHandle, $$buf, 4096); };
if ($@) {
die "Error in multipart form code -- probably your version of "
."CGI.pm. Message was:<br>\n"
.$@;
}
return $rc;
}
1;
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