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Diff for /loncom/publisher/lonupload.pm between versions 1.6 and 1.10

version 1.6, 2001/06/24 18:40:58 version 1.10, 2001/12/17 00:57:59
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # Handler to upload files into construction space  # Handler to upload files into construction space
 #  #
   # $Id$
   #
   # 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  # (Handler to retrieve an old version of a file
 #  #
 # (Publication Handler  # (Publication Handler
 #   # 
 # (TeX Content Handler  # (TeX Content Handler
 #  #
   # YEAR=2000
 # 05/29/00,05/30,10/11 Gerd Kortemeyer)  # 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  # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
   # YEAR=2001
 # 03/23 Guy Albertelli  # 03/23 Guy Albertelli
 # 03/24,03/29 Gerd Kortemeyer)  # 03/24,03/29 Gerd Kortemeyer)
 #  #
 # 03/31,04/03 Gerd Kortemeyer)  # 03/31,04/03 Gerd Kortemeyer)
 #  #
 # 04/05,04/09,05/25,06/23,06/24 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;  package Apache::lonupload;
   
Line 24  use Apache::File; Line 54  use Apache::File;
 use File::Copy;  use File::Copy;
 use Apache::Constants qw(:common :http :methods);  use Apache::Constants qw(:common :http :methods);
 use Apache::loncacc;  use Apache::loncacc;
   use Apache::loncommon();
   
 sub upfile_store {  sub upfile_store {
     my $r=shift;      my $r=shift;
Line 54  sub phaseone { Line 85  sub phaseone {
     $fn.=$ENV{'form.upfile.filename'};      $fn.=$ENV{'form.upfile.filename'};
     $fn=~s/^\///;      $fn=~s/^\///;
     $fn=~s/(\/)+/\//g;      $fn=~s/(\/)+/\//g;
   
     if (($fn) && ($fn!~/\/$/)) {      if (($fn) && ($fn!~/\/$/)) {
       $r->print(        $r->print(
  '<form action=/adm/upload method=post>'.   '<form action=/adm/upload method=post>'.
Line 63  sub phaseone { Line 95  sub phaseone {
  '<input type=text size=50 name=filename value="/priv/'.   '<input type=text size=50 name=filename value="/priv/'.
   $uname.'/'.$fn.'"><br>'.    $uname.'/'.$fn.'"><br>'.
  '<input type=submit value="Store"></form>');   '<input type=submit value="Store"></form>');
         # Check for bad extension and warn user
         if ($fn=~/\.(\w+)$/ && 
     (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
     $r->print(
    '<font color=red>'.
    'The extension on this file, "'.$1.
    '", is reserved internally by LON-CAPA. <br \>'.
    'Please change the extension.'.
    '</font>');
         } elsif($fn=~/\.(\w+)$/ && 
         !defined(&Apache::loncommon::fileembstyle($1))) {
     $r->print(
    '<font color=red>'.
    'The extension on this file, "'.$1.
    '", is not recognized by LON-CAPA. <br \>'.
    'Please change the extension.'.
    '</font>');
         }
   } else {    } else {
       $r->print('<font color=red>Illegal filename.</font>');        $r->print('<font color=red>Illegal filename.</font>');
   }    }
Line 90  sub phasetwo { Line 140  sub phasetwo {
        } else {         } else {
            my $source=$r->dir_config('lonDaemons').             my $source=$r->dir_config('lonDaemons').
                              '/tmp/'.$datatoken.'.tmp';                               '/tmp/'.$datatoken.'.tmp';
            if (copy($source,$target)) {             # Check for bad extension and disallow upload
      if ($fn=~/\.(\w+)$/ && 
          (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
          $r->print(
    'File <tt>'.$fn.'</tt> could not be copied.<br />'.
    '<font color=red>'.
    'The extension on this file is reserved internally by LON-CAPA.'.
    '</font>');
      } elsif ($fn=~/\.(\w+)$/ && 
       !defined(&Apache::loncommon::fileembstyle($1))) {
          $r->print(
    'File <tt>'.$fn.'</tt> could not be copied.<br />'.
    '<font color=red>'.
    'The extension on this file is not recognized by LON-CAPA.'.
    '</font>');
      } elsif (copy($source,$target)) {
       $r->print('File copied.');        $r->print('File copied.');
               $r->print('<p><font size=+2><a href="'.$fn.                $r->print('<p><font size=+2><a href="'.$fn.
                         '">View file</a></font>');                          '">View file</a></font>');
Line 110  sub phasetwo { Line 175  sub phasetwo {
   }    }
 }  }
   
   # ---------------------------------------------------------------- Main Handler
 sub handler {  sub handler {
   
   my $r=shift;    my $r=shift;
Line 168  sub handler { Line 234  sub handler {
   $r->print('</body></html>');    $r->print('</body></html>');
   return OK;      return OK;  
 }  }
   
   1;
   __END__
   
   =head1 NAME
   
   Apache::lonupload - upload files into construction space
   
   =head1 SYNOPSIS
   
   Invoked by /etc/httpd/conf/srm.conf:
   
    <Location /adm/upload>
    PerlAccessHandler       Apache::lonacc
    SetHandler perl-script
    PerlHandler Apache::lonupload
    ErrorDocument     403 /adm/login
    ErrorDocument     404 /adm/notfound.html
    ErrorDocument     406 /adm/unauthorized.html
    ErrorDocument  500 /adm/errorhandler
    </Location>
   
   =head1 INTRODUCTION
   
   This module uploads a file sitting on a client computer into 
   library server construction space.
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   =head1 HANDLER SUBROUTINE
   
   This routine is called by Apache and mod_perl.
   
   =over 4
   
   =item *
   
   Initialize variables
   
   =item *
   
   Start page output
   
   =item *
   
   output relevant interface phase (phaseone or phasetwo)
   
   =item *
   
   (phase one is to specify upload file; phase two is to handle conditions
   subsequent to specification--like overwriting an existing file)
   
   =back
   
   =head1 OTHER SUBROUTINES
   
   =over 4
   
   =item *
   
   phaseone() : Interface for specifying file to upload.
   
   =item *
   
   phasetwo() : Interface for handling post-conditions about uploading (such
   as overwriting an existing file).
   
   =item *
   
   upfile_store() : Store contents of uploaded file into temporary space.  Invoked
   by phaseone subroutine.
   
   =back
   
   =cut
Removed from v.1.6  
changed lines
  Added in v.1.10

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