--- loncom/publisher/lonupload.pm 2001/04/05 19:35:15 1.1
+++ loncom/publisher/lonupload.pm 2002/09/10 02:31:26 1.14
@@ -1,146 +1,249 @@
+
# The LearningOnline Network with CAPA
# Handler to upload files into construction space
#
+# $Id: lonupload.pm,v 1.14 2002/09/10 02:31:26 foxr Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA 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.
+#
+# LON-CAPA 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 LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
# (Handler to retrieve an old version of a file
#
# (Publication Handler
#
# (TeX Content Handler
#
+# YEAR=2000
# 05/29/00,05/30,10/11 Gerd Kortemeyer)
#
# 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
+# YEAR=2001
# 03/23 Guy Albertelli
# 03/24,03/29 Gerd Kortemeyer)
#
# 03/31,04/03 Gerd Kortemeyer)
#
-# 04/05 Gerd Kortemeyer
+# 04/05,04/09,05/25,06/23,06/24,08/22 Gerd Kortemeyer
+# 11/29 Matthew Hall
+# 12/16 Scott Harrison
+#
+###
package Apache::lonupload;
use strict;
use Apache::File;
use File::Copy;
+use File::Basename;
use Apache::Constants qw(:common :http :methods);
+use Apache::loncacc;
+use Apache::loncommon();
+use Apache::Log();
+use Apache::lonnet;
+use HTML::Entities();
-sub phaseone {
- my ($r,$fn,$uname,$udom)=@_;
- my $docroot=$r->dir_config('lonDocRoot');
+my $DEBUG=0;
- my $urldir='/res/'.$udom.'/'.$uname.$fn;
- $urldir=~s/\/[^\/]+$/\//;
+sub Debug {
+
+ # Marshall the parameters.
+
+ my $r = shift;
+ my $log = $r->log;
+ my $message = shift;
+
+ # Put out the indicated message butonly if DEBUG is false.
+
+ if ($DEBUG) {
+ $log->debug($message);
+ }
+}
- my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
- my $resdir=$resfn;
- $resdir=~s/\/[^\/]+$/\//;
-
- $fn=~/^\/(.+)\.(\w+)$/;
- my $main=$1;
- my $suffix=$2;
-
- $r->print('');
+ return $datatoken;
}
-sub phasetwo {
- my ($r,$fn,$uname,$udom)=@_;
- if ($ENV{'form.version'}) {
- my $version=$ENV{'form.version'};
- if ($version eq 'new') {
- $r->print('Retrieving current (most recent) version
');
- } else {
- $r->print('Retrieving old version '.$version.'
');
- }
- my $logfile;
- my $ctarget='/home/'.$uname.'/public_html'.$fn;
- my $vfn=$fn;
- if ($version ne 'new') {
- $vfn=~s/\.(\w+)$/\.$version\.$1/;
- }
- my $csource=$r->dir_config('lonDocRoot').'/res/'.$udom.'/'.$uname.$vfn;
- unless ($logfile=Apache::File->new('>>'.$ctarget.'.log')) {
+
+sub phaseone {
+ my ($r,$fn,$uname,$udom)=@_;
+ $ENV{'form.upfile.filename'}=~s/\\/\//g;
+ $ENV{'form.upfile.filename'}=~s/^.*\/([^\/]+)$/$1/;
+ if ($ENV{'form.upfile.filename'}) {
+ $fn=~s/\/[^\/]+$//;
+ $fn=~s/([^\/])$/$1\//;
+ $fn.=$ENV{'form.upfile.filename'};
+ $fn=~s/^\///;
+ $fn=~s/(\/)+/\//g;
+
+# Fn is the full path to the destination filename.
+#
+
+ &Debug($r, "Filename for upload: $fn");
+ if (($fn) && ($fn!~/\/$/)) {
+ $r->print(
+ '');
+ # Check for bad extension and warn user
+ if ($fn=~/\.(\w+)$/ &&
+ (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
$r->print(
- 'No write permission to user directory, FAIL');
- }
- print $logfile
-"\n\n================= Retrieve ".localtime()." ================\n".
-"Version: $version\nSource: $csource\nTarget: $ctarget\n";
- $r->print('Copying file: ');
- if (copy($csource,$ctarget)) {
- $r->print('ok
');
- print $logfile "Copied sucessfully.\n\n";
- } else {
- my $error=$!;
- $r->print('fail, '.$error.'
');
- print $logfile "Copy failed: $error\n\n";
- }
- $r->print('Back to '.$fn.'');
+ ''.
+ 'The extension on this file, "'.$1.
+ '", is reserved internally by LON-CAPA.
'.
+ 'Please change the extension.'.
+ '');
+ } elsif($fn=~/\.(\w+)$/ &&
+ !defined(&Apache::loncommon::fileembstyle($1))) {
+ $r->print(
+ ''.
+ 'The extension on this file, "'.$1.
+ '", is not recognized by LON-CAPA.
'.
+ 'Please change the extension.'.
+ '');
+ }
+ } else {
+ $r->print('Illegal filename.');
+ }
+ } else {
+ $r->print('No upload file specified.');
+ }
+}
+
+sub phasetwo {
+ my ($r,$fn,$uname,$udom)=@_;
+ &Debug($r, "Filename is ".$fn);
+ if ($fn=~/^\/priv\/$uname\//) {
+ &Debug($r, "Filename after priv substitution: ".$fn);
+ my $tfn=$fn;
+ $tfn=~s/^\/(\~|priv)\/(\w+)//;
+ &Debug($r, "Filename for tfn = ".$tfn);
+ my $target='/home/'.$uname.'/public_html'.$tfn;
+ &Debug($r, "target -> ".$target);
+# target is the full filesystem path of the destination file.
+ my $base = &File::Basename::basename($fn);
+ my $path = &File::Basename::dirname($fn);
+ $base = &HTML::Entities::encode($base);
+ my $url = $path."/".$base;
+ &Debug($r, "URL is now ".$url);
+ my $datatoken=$ENV{'form.datatoken'};
+ if (($fn) && ($datatoken)) {
+ if ((-e $target) && ($ENV{'form.override'} ne 'Yes')) {
+ $r->print(
+ '
');
+ } else {
+ my $source=$r->dir_config('lonDaemons').
+ '/tmp/'.$datatoken.'.tmp';
+ # Check for bad extension and disallow upload
+ if ($fn=~/\.(\w+)$/ &&
+ (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
+ $r->print(
+ 'File '.$fn.' could not be copied.
'.
+ ''.
+ 'The extension on this file is reserved internally by LON-CAPA.'.
+ '');
+ } elsif ($fn=~/\.(\w+)$/ &&
+ !defined(&Apache::loncommon::fileembstyle($1))) {
+ $r->print(
+ 'File '.$fn.' could not be copied.
'.
+ ''.
+ 'The extension on this file is not recognized by LON-CAPA.'.
+ '');
+ } elsif (copy($source,$target)) {
+ chmod(0660, $target); # Set permissions to rw-rw---.
+ $r->print('File copied.');
+ $r->print('View file');
+ } else {
+ $r->print('Failed to copy: '.$!);
+ }
+ }
} else {
$r->print(
- 'Please pick a version to retrieve
');
+ 'Please pick a filename
');
&phaseone($r,$fn,$uname,$udom);
}
+ } else {
+ $r->print(
+ 'Please pick a filename
');
+ &phaseone($r,$fn,$uname,$udom);
+ }
}
+# ---------------------------------------------------------------- Main Handler
sub handler {
my $r=shift;
+ my $uname;
+ my $udom;
+
+ ($uname,$udom)=
+ &Apache::loncacc::constructaccess(
+ $ENV{'form.filename'},$r->dir_config('lonDefDomain'));
+ unless (($uname) && ($udom)) {
+ $r->log_reason($uname.' at '.$udom.
+ ' trying to publish file '.$ENV{'form.filename'}.
+ ' - not authorized',
+ $r->filename);
+ return HTTP_NOT_ACCEPTABLE;
+ }
+
my $fn;
if ($ENV{'form.filename'}) {
$fn=$ENV{'form.filename'};
- $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)//;
+ $fn=~s/^http\:\/\/[^\/]+\/(\~|priv\/)(\w+)//;
} else {
$r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
- ' unspecified filename for retrieval', $r->filename);
+ ' unspecified filename for upload', $r->filename);
return HTTP_NOT_FOUND;
}
- unless ($fn) {
- $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
- ' trying to retrieve non-existing file', $r->filename);
- return HTTP_NOT_FOUND;
- }
-
# ----------------------------------------------------------- Start page output
- my $uname=$ENV{'user.name'};
- my $udom=$ENV{'user.domain'};
$r->content_type('text/html');
$r->send_http_header;
@@ -151,7 +254,13 @@ sub handler {
'
');
- $r->print('Retrieve previous versions of '.$fn.'
');
+ $r->print('Upload file to Construction Space
');
+
+ if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
+ $r->print('Co-Author: '.$uname.' at '.$udom.
+ '
');
+ }
+
if ($ENV{'form.phase'} eq 'two') {
&phasetwo($r,$fn,$uname,$udom);
@@ -162,3 +271,79 @@ sub handler {
$r->print('