--- loncom/publisher/lonupload.pm 2002/08/08 02:30:39 1.12
+++ loncom/publisher/lonupload.pm 2011/10/31 01:28:47 1.56
@@ -2,7 +2,7 @@
# The LearningOnline Network with CAPA
# Handler to upload files into construction space
#
-# $Id: lonupload.pm,v 1.12 2002/08/08 02:30:39 foxr Exp $
+# $Id: lonupload.pm,v 1.56 2011/10/31 01:28:47 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -26,239 +26,8 @@
#
# 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)
-#
-# 04/05,04/09,05/25,06/23,06/24,08/22 Gerd Kortemeyer
-# 11/29 Matthew Hall
-# 12/16 Scott Harrison
-#
###
-package Apache::lonupload;
-
-use strict;
-use Apache::File;
-use File::Copy;
-use Apache::Constants qw(:common :http :methods);
-use Apache::loncacc;
-use Apache::loncommon();
-use Apache::Log();
-
-my $DEBUG=0;
-
-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);
- }
-}
-
-sub upfile_store {
- my $r=shift;
-
- my $fname=$ENV{'form.upfile.filename'};
- $fname=~s/\W//g;
-
- chop($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 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=~s/%20/ /g;
- &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(
- ''.
- '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)=@_;
- if ($fn=~/^\/priv\/$uname\//) {
- my $tfn=$fn;
- $tfn=~s/^\/(\~|priv)\/(\w+)//;
- my $target='/home/'.$uname.'/public_html'.$tfn;
- 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('
');
-
- 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);
- } else {
- &phaseone($r,$fn,$uname,$udom);
- }
-
- $r->print('');
- return OK;
-}
-
-1;
-__END__
-
=head1 NAME
Apache::lonupload - upload files into construction space
@@ -301,33 +70,487 @@ Start page output
=item *
-output relevant interface phase (phaseone or phasetwo)
+output relevant interface phase (phaseone, phasetwo, phasethree or phasefour)
=item *
(phase one is to specify upload file; phase two is to handle conditions
-subsequent to specification--like overwriting an existing file)
+subsequent to specification--like overwriting an existing file; phase three
+is to handle processing of secondary uploads - of embedded objects in an
+html file).
=back
=head1 OTHER SUBROUTINES
-=over 4
+=over
-=item *
+=item phaseone()
-phaseone() : Interface for specifying file to upload.
+Interface for specifying file to upload.
-=item *
+=item phasetwo()
-phasetwo() : Interface for handling post-conditions about uploading (such
+Interface for handling post-conditions about uploading (such
as overwriting an existing file).
-=item *
+=item phasethree()
-upfile_store() : Store contents of uploaded file into temporary space. Invoked
+Interface for handling secondary uploads of embedded objects
+in an html file.
+
+=item phasefour()
+
+Interface for handling optional renaming of links to embedded
+objects.
+
+=item upfile_store()
+
+Store contents of uploaded file into temporary space. Invoked
by phaseone subroutine.
+=item check_extension()
+
+Checks if filename extension is permitted and checks type
+ of file - if html file, calls parser to check for embedded objects.
+ Invoked by phasetwo subroutine.
+
=back
=cut
+
+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::lonnet;
+use HTML::Entities();
+use Apache::lonlocal;
+use Apache::lonnet;
+use LONCAPA();
+
+my $DEBUG=0;
+
+sub Debug {
+ # Put out the indicated message but only if DEBUG is true.
+ if ($DEBUG) {
+ my ($r,$message) = @_;
+ $r->log_reason($message);
+ }
+}
+
+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 $datatoken;
+}
+
+sub phaseone {
+ my ($r,$fn,$uname,$udom,$mode)=@_;
+ my $action = '/adm/upload';
+ if ($mode eq 'testbank') {
+ $action = '/adm/testbank';
+ } elsif ($mode eq 'imsimport') {
+ $action = '/adm/imsimport';
+ }
+
+ # Check for file to be uploaded
+ $env{'form.upfile.filename'}=~s/\\/\//g;
+ $env{'form.upfile.filename'}=~s/^.*\/([^\/]+)$/$1/;
+ if (!$env{'form.upfile.filename'}) {
+ $r->print('
'.&mt('No upload file specified.').'
');
+ return;
+ }
+
+ # Append the name of the uploaded file
+ $fn.=$env{'form.upfile.filename'};
+ $fn=~s/(\/)+/\//g;
+
+ # Check for illegal filename
+ &Debug($r, "Filename for upload: $fn");
+ if (!(($fn) && ($fn!~/\/$/))) {
+ $r->print('
'.&mt('Illegal filename.').'
');
+ return;
+ }
+# Split part that I can change from the part that I cannot change
+ my ($fn1,$fn2)=($fn=~/^(\/priv\/[^\/]+\/[^\/]+\/)(.*)$/);
+ # Display additional options for upload
+ # and upload button
+ $r->print(
+ ''
+ );
+
+ # Check for bad extension and warn user
+ if ($fn=~/\.(\w+)$/ &&
+ (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
+ $r->print('
'
+ .&mt('The extension on this file, [_1], is reserved internally by LON-CAPA.',
+ ''.$1.'')
+ .' '.&mt('Please change the extension.')
+ .'