File:
[LON-CAPA] /
loncom /
publisher /
loncfile.pm
Revision
1.9:
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Fri May 24 05:11:40 2002 UTC (22 years, 3 months ago) by
foxr
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MAIN
CVS tags:
HEAD
(Bug 259).
Correct directory mapping in construction space:
- Generation of names for creational operations was wrong for internally
authenticated users.
- Stage 2 Create directory: Done left us in a bad directory.
# The LearningOnline Network with CAPA
# Handler to rename files, etc, in construction space
#
# This file responds to the various buttons and events
# in the top frame of the construction space directory.
# Each event is processed in two phases. The first phase
# presents a page that describes the proposed action to the user
# and requests confirmation. The second phase commits the action
# and displays a page showing the results of the action.
#
#
# $Id: loncfile.pm,v 1.9 2002/05/24 05:11:40 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
#
# 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
# 03/23 Guy Albertelli
# 03/24,03/29 Gerd Kortemeyer)
#
# 03/31,04/03,05/02,05/09,06/23,06/24 Gerd Kortemeyer)
#
# 06/23 Gerd Kortemeyer
# 05/07/02 Ron Fox:
# - Added Debug log output so that I can trace what the heck this
# undocumented thingy does.
package Apache::loncfile;
use strict;
use Apache::File;
use File::Copy;
use Apache::Constants qw(:common :http :methods);
use Apache::loncacc;
use Apache::Log ();
my $DEBUG=1;
#
# Debug
# If debugging is enabled puts out a debuggin message determined by the
# caller. The debug message goes to the Apache error log file.
#
# Parameters:
# r - Apache request [in]
# message - String [in]
# Returns:
# nothing.
sub Debug {
my $r = shift;
my $log = $r->log;
my $message = shift;
if ($DEBUG) {
$log->debug($message);
}
}
sub exists {
my ($uname,$udom,$dir,$newfile)=@_;
my $published='/home/httpd/html/res/'.$udom.'/'.$uname.'/'.$dir.'/'.
$ENV{'form.newfilename'};
my $construct='/home/'.$uname.'/public_html/'.$dir.'/'.
$ENV{'form.newfilename'};
my $result;
if (-e $published) {
$result.='<p><font color=red>Warning: target file exists, and has been published!</font></p>';
} elsif ( -e $construct ) {
$result.='<p><font color=red>Warning: target file exists!</font></p>';
}
return $result;
}
sub checksuffix {
my ($old,$new) = @_;
my $result;
my $oldsuffix;
my $newsuffix;
if ($new=~m:(.*/*)([^/]+)\.(\w+)$:) { $newsuffix=$3; }
if ($old=~m:(.*)/+([^/]+)\.(\w+)$:) { $oldsuffix=$3; }
if ($oldsuffix ne $newsuffix) {
$result.='<p><font color=red>Warning: change of MIME type!</font></p>';
}
return $result;
}
sub phaseone {
my ($r,$fn,$uname,$udom)=@_;
$fn=~m:(.*)/([^/]+)\.(\w+)$:;
my $dir=$1;
my $main=$2;
my $suffix=$3;
my $conspace='/home/'.$uname.'/public_html'.$fn;
$r->print('<form action=/adm/cfile method=post>'.
'<input type=hidden name=filename value="/~'.$uname.$fn.'">'.
'<input type=hidden name=phase value=two>'.
'<input type=hidden name=action value='.$ENV{'form.action'}.'>');
if ($ENV{'form.action'} eq 'rename') {
if (-e $conspace) {
if ($ENV{'form.newfilename'}) {
$r->print(&checksuffix($fn,$ENV{'form.newfilename'}));
$r->print(&exists($uname,$udom,$dir,$ENV{'form.newfilename'}));
$r->print('<input type=hidden name=newfilename value="'.
$ENV{'form.newfilename'}.
'"><p>Rename <tt>'.$fn.'</tt> to <tt>'.
$dir.'/'.$ENV{'form.newfilename'}.'</tt>?</p>');
} else {
$r->print('<p>No new filename specified.</p></form>');
return;
}
} else {
$r->print('<p>No such file.</p></form>');
return;
}
} elsif ($ENV{'form.action'} eq 'delete') {
if (-e $conspace) {
$r->print('<p>Delete <tt>'.$fn.'</tt>?</p>');
} else {
$r->print('<p>No such file.</p></form>');
return;
}
} elsif ($ENV{'form.action'} eq 'copy') {
if (-e $conspace) {
if ($ENV{'form.newfilename'}) {
$r->print(&checksuffix($fn,$ENV{'form.newfilename'}));
$r->print(&exists($uname,$udom,$dir,$ENV{'form.newfilename'}));
$r->print('<input type=hidden name=newfilename value="'.
$ENV{'form.newfilename'}.
'"><p>Copy <tt>'.$fn.'</tt> to <tt>'.
$dir.'/'.$ENV{'form.newfilename'}.'</tt>?</p>');
} else {
$r->print('<p>No new filename specified.</p></form>');
return;
}
} else {
$r->print('<p>No such file.</p></form>');
return;
}
} elsif ($ENV{'form.action'} eq 'newdir') {
my $newdir='/home/'.$uname.'/public_html/'.
$fn.$ENV{'form.newfilename'};
if (-e $newdir) {
$r->print('<p>Directory exists.</p></form>');
return;
}
$r->print('<input type=hidden name=newfilename value="'.
$ENV{'form.newfilename'}.
'"><p>Make new directory <tt>'.
$fn.$ENV{'form.newfilename'}.'</tt>?</p>');
}
$r->print('<p><input type=submit value=Continue></p></form>');
$r->print('<form action="/priv/'.$uname.$fn.
'" method="GET"><p><input type=submit value=Cancel></p></form>');
}
sub phasetwo {
my ($r,$fn,$uname,$udom)=@_;
&Debug($r, "loncfile - Entering phase 2 for $fn");
$fn=~/(.*)\/([^\/]+)\.(\w+)$/;
my $dir=$1;
my $main=$2;
my $suffix=$3;
&Debug($r, "loncfile::phase2 dir = $dir main = $main suffix = $suffix");
my $conspace=$fn;
&Debug($r, "loncfile::phase2 Full construction space name: $conspace");
&Debug($r, "loncfie::phase2 action is $ENV{'form.action'}");
if ($ENV{'form.action'} eq 'rename') {
if (-e $conspace) {
if ($ENV{'form.newfilename'}) {
unless (rename('/home/'.$uname.'/public_html'.$fn,
'/home/'.$uname.'/public_html'.$dir.'/'.$ENV{'form.newfilename'})) {
$r->print('<font color=red>Error: '.$!.'</font>');
}
}
} else {
$r->print('<p>No such file.</form>');
return;
}
} elsif ($ENV{'form.action'} eq 'delete') {
if (-e $conspace) {
unless (unlink('/home/'.$uname.'/public_html'.$fn)) {
$r->print('<font color=red>Error: '.$!.'</font>');
}
} else {
$r->print('<p>No such file.</form>');
return;
}
} elsif ($ENV{'form.action'} eq 'copy') {
if (-e $conspace) {
if ($ENV{'form.newfilename'}) {
unless (copy('/home/'.$uname.'/public_html'.$fn,
'/home/'.$uname.'/public_html'.$dir.'/'.$ENV{'form.newfilename'})) {
$r->print('<font color=red>Error: '.$!.'</font>');
}
} else {
$r->print('<p>No new filename specified.</form>');
return;
}
} else {
$r->print('<p>No such file.</form>');
return;
}
} elsif ($ENV{'form.action'} eq 'newdir') {
my $newdir= $fn.$ENV{'form.newfilename'};
&Debug($r, "loncfile::phasetwo - new directory name: $newdir");
unless (mkdir($newdir,0770)) {
$r->print('<font color=red>Error: '.$!.'</font>');
&Debug($r, "loncfile::phasetwo - mkdir failed $!");
}
&Debug($r, "Done button: uname = $uname, dir = $dir, fn = $fn");
my $url = '/priv/'.$uname.$newdir.'/';
&Debug($r, "URL[1] = ".$url);
$url =~ s/\/home\/$uname\/public_html//o;
&Debug($r, "URL = ".$url);
$r->print('<h3><a href="'.$url.'">Done</a></h3>');
return;
}
$r->print('<h3><a href="/priv/'.$uname.$dir.'/">Done</a></h3>');
}
sub handler {
my $r=shift;
&Debug($r, "loncfile.pm - handler entered");
my $fn;
if ($ENV{'form.filename'}) {
$fn=$ENV{'form.filename'};
&Debug($r, "loncfile::handler - raw url: $fn");
$fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
$fn=~s/^http\:\/\/[^\/]+//;
&Debug($r, "loncfile::handler - doctored url: $fn");
} else {
&Debug($r, "loncfile::handler - no form.filename");
$r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
' unspecified filename for cfile', $r->filename);
return HTTP_NOT_FOUND;
}
unless ($fn) {
&Debug($r, "loncfile::handler - doctored url is empty");
$r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
' trying to cfile non-existing file', $r->filename);
return HTTP_NOT_FOUND;
}
# ----------------------------------------------------------- Start page output
my $uname;
my $udom;
($uname,$udom)=
&Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
&Debug($r,
"loncfile::handler constructaccess uname = $uname domain = $udom");
unless (($uname) && ($udom)) {
$r->log_reason($uname.' at '.$udom.
' trying to manipulate file '.$ENV{'form.filename'}.
' ('.$fn.') - not authorized',
$r->filename);
return HTTP_NOT_ACCEPTABLE;
}
$fn=~s/\/\~(\w+)//;
&Debug($r, "loncfile::handler ~ removed filename: $fn");
$r->content_type('text/html');
$r->send_http_header;
$r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
$r->print(
'<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
$r->print('<h1>Construction Space <tt>'.$fn.'</tt></h1>');
if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
$r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.
'</font></h3>');
}
&Debug($r, "loncfile::handler Form action is $ENV{'form.action'} ");
if ($ENV{'form.action'} eq 'delete') {
$r->print('<h3>Delete</h3>');
} elsif ($ENV{'form.action'} eq 'rename') {
$r->print('<h3>Rename</h3>');
} elsif ($ENV{'form.action'} eq 'newdir') {
$r->print('<h3>New Directory</h3>');
} elsif ($ENV{'form.action'} eq 'copy') {
$r->print('<h3>Copy</h3>');
} else {
$r->print('<p>Unknown Action</body></html>');
return OK;
}
if ($ENV{'form.phase'} eq 'two') {
&Debug($r, "loncfile::handler entering phase2");
&phasetwo($r,$fn,$uname,$udom);
} else {
&Debug($r, "loncfile::handler entering phase1");
&phaseone($r,$fn,$uname,$udom);
}
$r->print('</body></html>');
return OK;
}
1;
__END__
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