--- loncom/publisher/lonupload.pm 2001/04/05 19:35:15 1.1
+++ loncom/publisher/lonupload.pm 2003/11/08 11:13:50 1.24
@@ -1,164 +1,345 @@
+
# The LearningOnline Network with CAPA
# Handler to upload files into construction space
#
-# (Handler to retrieve an old version of a file
+# $Id: lonupload.pm,v 1.24 2003/11/08 11:13:50 albertel 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.
#
-# (Publication Handler
-#
-# (TeX Content Handler
+# 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.
#
-# 05/29/00,05/30,10/11 Gerd Kortemeyer)
+# 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
#
-# 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
-# 03/23 Guy Albertelli
-# 03/24,03/29 Gerd Kortemeyer)
+# /home/httpd/html/adm/gpl.txt
#
-# 03/31,04/03 Gerd Kortemeyer)
+# http://www.lon-capa.org/
#
-# 04/05 Gerd Kortemeyer
+###
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();
+use Apache::lonlocal;
-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('');
+sub upfile_store {
+ my $r=shift;
+
+ my $fname=$ENV{'form.upfile.filename'};
+ $fname=~s/\W//g;
+
+ chomp($ENV{'form.upfile'});
+
+ my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}.
+ '_upload_'.$fname.'_'.time.'_'.$$;
+ {
+ my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').
+ '/tmp/'.$datatoken.'.tmp');
+ print $fh $ENV{'form.upfile'};
+ }
+ return $datatoken;
}
-sub phasetwo {
+
+sub phaseone {
my ($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')) {
- $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.'');
+ $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(''.&mt('The extension on this file,').
+ ' "'.$1.'"'.&mt(', is reserved internally by LON-CAPA.').
+ '
'.&mt('Please change the extension.').'');
+ } elsif($fn=~/\.(\w+)$/ &&
+ !defined(&Apache::loncommon::fileembstyle($1))) {
+ $r->print(''.&mt('The extension on this file,').
+ ' "'.$1.'"'.&mt(', is not recognized by LON-CAPA.').
+ '
'.&mt('Please change the extension.').
+ '');
+ }
+ } else {
+ $r->print(''.&mt('Illegal filename.').'');
+ }
+ } else {
+ $r->print(''.&mt('No upload file specified.').'');
+ }
+}
+
+sub phasetwo {
+ my ($r,$tfn,$uname,$udom)=@_;
+ my $fn='/priv/'.$uname.'/'.$tfn;
+ $fn=~s/\/+/\//g;
+ &Debug($r, "Filename is ".$tfn);
+ if ($tfn) {
+ &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')) {
+ $r->print(&mt('File').' '.$fn.' '.
+ &mt('could not be copied.').'
'.
+ ''.
+ &mt('The extension on this file is reserved internally by LON-CAPA.').
+ '');
+ $r->print('
'.
+ &mt('Back to Directory').'');
+ } elsif ($fn=~/\.(\w+)$/ &&
+ !defined(&Apache::loncommon::fileembstyle($1))) {
+ $r->print(&mt('File').' '.$fn.' '.
+ &mt('could not be copied.').'
'.
+ ''.
+ &mt('The extension on this file is not recognized by LON-CAPA.').
+ '');
+ $r->print('
'.
+ &mt('Back to Directory').'');
+ } elsif (-d $target) {
+ $r->print('File '.$fn.' could not be copied.
'.
+ ''.
+ &mt('The target is an existing directory.').
+ '
');
+ $r->print(''.
+ &mt('Back to Directory').'');
+ } elsif (copy($source,$target)) {
+ chmod(0660, $target); # Set permissions to rw-rw---.
+ $r->print(&mt('File copied.'));
+ $r->print('
'.
+ &mt('View file').'');
+ $r->print('
'.
+ &mt('Back to Directory').'
');
+ } else {
+ $r->print('Failed to copy: '.$!);
+ $r->print('
'.
+ &mt('Back to Directory').'');
+ }
+ }
+ } else {
+ $r->print(''.
+ &mt('Please use browser "Back" button and pick a filename').
+ '
');
+ }
} else {
- $r->print(
- 'Please pick a version to retrieve');
- &phaseone($r,$fn,$uname,$udom);
+ $r->print(''.
+ &mt('Please use browser "Back" button and pick a filename').
+ '
>');
}
}
+# ---------------------------------------------------------------- Main Handler
sub handler {
- my $r=shift;
+ my $r=shift;
- my $fn;
+ my $uname;
+ my $udom;
+#
+# phase two: re-attach user
+#
+ if ($ENV{'form.uploaduname'}) {
+ $ENV{'form.filename'}='/priv/'.$ENV{'form.uploaduname'}.'/'.
+ $ENV{'form.filename'};
+ }
+#
- if ($ENV{'form.filename'}) {
- $fn=$ENV{'form.filename'};
- $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)//;
- } else {
- $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
- ' unspecified filename for retrieval', $r->filename);
- return HTTP_NOT_FOUND;
- }
-
- unless ($fn) {
- $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
- ' trying to retrieve non-existing file', $r->filename);
- return HTTP_NOT_FOUND;
- }
+ ($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\:\/\/[^\/]+\///;
+ $fn=~s/^\///;
+ $fn=~s/(\~|priv\/)(\w+)//;
+ $fn=~s/\/+/\//g;
+ } else {
+ $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
+ ' unspecified filename for upload', $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;
- $r->print('
LON-CAPA Construction Space');
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
- $r->print(
- '
');
+ $r->print('LON-CAPA Construction Space');
+ $r->print(&Apache::loncommon::bodytag('Upload file to Construction Space'));
- $r->print('Retrieve previous versions of '.$fn.'
');
+ if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
+ $r->print(''.&mt('Co-Author').': '.$uname.
+ &mt(' at ').$udom.'
');
+ }
- if ($ENV{'form.phase'} eq 'two') {
- &phasetwo($r,$fn,$uname,$udom);
- } else {
- &phaseone($r,$fn,$uname,$udom);
- }
+ if ($ENV{'form.phase'} eq 'two') {
+ &phasetwo($r,$fn,$uname,$udom);
+ } else {
+ &phaseone($r,$fn,$uname,$udom);
+ }
- $r->print('');
- return OK;
+ $r->print('