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version 1.5, 2001/06/23 18:26:40 version 1.63, 2013/07/02 19:04:49
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 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # Handler to upload files into construction space  # Handler to upload files into construction space
 #  #
 # (Handler to retrieve an old version of a file  # $Id$
 #  #
 # (Publication Handler  # Copyright Michigan State University Board of Trustees
 #   
 # (TeX Content Handler  
 #  #
 # 05/29/00,05/30,10/11 Gerd Kortemeyer)  # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
 #  #
 # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer  # LON-CAPA is free software; you can redistribute it and/or modify
 # 03/23 Guy Albertelli  # it under the terms of the GNU General Public License as published by
 # 03/24,03/29 Gerd Kortemeyer)  # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
 #  #
 # 03/31,04/03 Gerd Kortemeyer)  # 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.
 #  #
 # 04/05,04/09,05/25,06/23 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
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
   ###
   
   =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, 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; phase three
   is to handle processing of secondary uploads - of embedded objects in an
   html file).
   
   =back
   
   =head1 OTHER SUBROUTINES
   
   =over
   
   =item phaseone()
   
   Interface for specifying file to upload.
   
   =item phasetwo()
   
   Interface for handling post-conditions about uploading (such
   as overwriting an existing file).
   
   =item phasethree()
   
   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;  package Apache::lonupload;
   
 use strict;  use strict;
 use Apache::File;  use Apache::File;
 use File::Copy;  use File::Copy;
   use File::Basename;
 use Apache::Constants qw(:common :http :methods);  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 {  sub upfile_store {
     my $r=shift;      my $r=shift;
   
     my $fname=$ENV{'form.upfile.filename'};      my $fname=$env{'form.upfile.filename'};
     $fname=~s/\W//g;      $fname=~s/\W//g;
           
     chop($ENV{'form.upfile'});      chomp($env{'form.upfile'});
       
     my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}.      my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
   '_upload_'.$fname.'_'.time.'_'.$$;    '_upload_'.$fname.'_'.time.'_'.$$;
     {      {
        my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').         my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').
                                    '/tmp/'.$datatoken.'.tmp');                                     '/tmp/'.$datatoken.'.tmp');
        print $fh $ENV{'form.upfile'};         print $fh $env{'form.upfile'};
     }      }
     return $datatoken;      return $datatoken;
 }  }
   
   
 sub phaseone {  sub phaseone {
    my ($r,$fn,$uname,$udom)=@_;      my ($r,$fn,$mode,$uname,$udom)=@_;
    if ($ENV{'form.upfile.filename'}) {      my $action = '/adm/upload';
     $fn=~s/\/[^\/]+$//;      if ($mode eq 'testbank') {
     $fn=~s/([^\/])$/$1\//;          $action = '/adm/testbank';
     $fn.=$ENV{'form.upfile.filename'};      } elsif ($mode eq 'imsimport') {
     $fn=~s/^\///;          $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'}) {
           $r->print('<p class="LC_warning">'.&mt('No upload file specified.').'</p>'.
                     &earlyout($fn,$uname,$udom));
           return;
       }
   
       # Append the name of the uploaded file
       $fn.=$env{'form.upfile.filename'};
     $fn=~s/(\/)+/\//g;      $fn=~s/(\/)+/\//g;
     if (($fn) && ($fn!~/\/$/)) {  
       $r->print(      # Check for illegal filename
  '<form action=/adm/upload method=post>'.      &Debug($r, "Filename for upload: $fn");
  '<input type=hidden name=phase value=two>'.      if (!(($fn) && ($fn!~/\/$/))) {
  '<input type=hidden name=datatoken value="'.&upfile_store.'">'.          $r->print('<p class="LC_warning">'.&mt('Illegal filename.').'</p>');
  'Store uploaded file as '.          return;
  '<input type=text size=50 name=filename value="/priv/'.      }
   $uname.'/'.$fn.'"><br>'.      # Check if quota exceeded
  '<input type=submit value="Store"></form>');      my $filesize = length($env{'form.upfile'});
   } else {      if (!$filesize) {
       $r->print('<font color=red>Illegal filename.</font>');          $r->print('<p class="LC_warning">'.
   }                    &mt('Unable to upload [_1]. (size = [_2] bytes)',
  } else {                        '<span class="LC_filename">'.$env{'form.upfile.filename'}.'</span>',
      $r->print('<font color=red>No upload file specified.</font>');                        $filesize).'<br />'.
  }                    &mt('Either the file you attempted to upload was empty, or your web browser was unable to read its contents.').'<br />'.
                     '</p>'.
                     &earlyout($fn,$uname,$udom));
           return;
       }
       $filesize = int($filesize/1000); #expressed in kb
       my $disk_quota = &Apache::loncommon::get_user_quota($uname,$udom,'author'); #expressed in Mb
       $disk_quota = int($disk_quota * 1000);
       my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
       my $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,"$londocroot/priv/$udom/$uname");
       if (($current_disk_usage + $filesize) > $disk_quota){
           $r->print('<span class="LC_warning">'.
                     &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$env{'form.upfile.filename'}.'</span>',$filesize).'</span>'.
                     '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage).
                     '</p>'.
                     &earlyout($fn,$uname,$udom));
           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
       $r->print(
           '<form action="'.$action.'" method="post" name="fileupload">'
          .'<input type="hidden" name="phase" value="two" />'
          .'<input type="hidden" name="datatoken" value="'.&upfile_store.'" />'
       );
       $r->print(
           &Apache::lonhtmlcommon::start_pick_box()
          .&Apache::lonhtmlcommon::row_title(&mt('Save uploaded file as'))
          .'<span class="LC_filename">'.$fn1.'</span>'
          .'<input type="hidden" name="filename1" value="'.$fn1.'" />'
          .'<input type="text" size="50" name="filename2" value="'.$fn2.'" />'
          .&Apache::lonhtmlcommon::row_closure()
          .&Apache::lonhtmlcommon::row_title(&mt('File Type'))
          .'<select name="filetype">'
          .'<option value="standard" selected="selected">'.&mt('Regular file').'</option>'
          .'<option value="testbank">'.&mt('Testbank file').'</option>'
          .'<option value="imsimport">'.&mt('IMS package').'</option>'
          .'</select>'.&Apache::loncommon::help_open_topic("Uploading_File_Options")
          .&Apache::lonhtmlcommon::row_closure(1)
          .&Apache::lonhtmlcommon::end_pick_box()
       );
       $r->print(
           '<p>'
          .'<input type="button" value="'.&mt('Upload').'" onclick="javascript:verifyForm()"/>'
          .'</p>'
          .'</form>'
       );
   
      # Check for bad extension and warn user
       if ($fn=~/\.(\w+)$/ && 
           (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
                   $r->print('<p class="LC_error">'
                             .&mt('The extension on this file, [_1], is reserved internally by LON-CAPA.',
                                  '<span class="LC_filename">'.$1.'</span>')
                             .' <br />'.&mt('Please change the extension.')
                             .'</p>');
       } elsif($fn=~/\.(\w+)$/ && 
                       !defined(&Apache::loncommon::fileembstyle($1))) {
                   $r->print('<p class="LC_error">'
                            .&mt('The extension on this file, [_1], is not recognized by LON-CAPA.',
                                 '<span class="LC_filename">'.$1.'</span>')
                            .' <br />'.&mt('Please change the extension.')
                            .'</p>');
       }
 }  }
   
 sub phasetwo {  sub phasetwo {
    my ($r,$fn,$uname,$udom)=@_;      my ($r,$fn,$mode)=@_;
    if ($fn=~/^\/priv\/$uname\//) {   
     my $tfn=$fn;      my $output;
     $tfn=~s/^\/(\~|priv)\/(\w+)//;      my $action = '/adm/upload';
     my $target='/home/'.$uname.'/public_html'.$tfn;      my $returnflag = '';
     my $datatoken=$ENV{'form.datatoken'};      if ($mode eq 'testbank') {
     if (($fn) && ($datatoken)) {          $action = '/adm/testbank';
  if ((-e $target) && ($ENV{'form.override'} ne 'Yes')) {      } elsif ($mode eq 'imsimport') {
            $r->print(          $action = '/adm/imsimport';
  '<form action=/adm/upload method=post>'.      }
  'File <tt>'.$fn.'</tt> exists. Overwrite? '.      $fn=~s/\/+/\//g;
  '<input type=hidden name=phase value=two>'.      if ($fn) {
  '<input type=hidden name=filename value="'.$fn.'">'.   my $target= $r->dir_config('lonDocRoot').'/'.$fn;
  '<input type=hidden name=datatoken value="'.$datatoken.'">'.   &Debug($r, "target -> ".$target);
  '<input type=submit name=override value="Yes"></form>');  #     target is the full filesystem path of the destination file.
        } else {   my $base = &File::Basename::basename($fn);
            my $source=$r->dir_config('lonDaemons').   my $path = &File::Basename::dirname($fn);
                              '/tmp/'.$datatoken.'.tmp';   $base    = &HTML::Entities::encode($base,'<>&"');
            if (copy($source,$target)) {   my $url  = $path."/".$base; 
       $r->print('File copied.');   &Debug($r, "URL is now ".$url);
               $r->print('<p><font size=+2><a href="'.$fn.   my $datatoken=$env{'form.datatoken'};
                         '">View file</a></font>');   if (($fn) && ($datatoken)) {
    } else {              if ($env{'form.cancel'}) {
               $r->print('Failed to copy: '.$!);                  my $source=$r->dir_config('lonDaemons').'/tmp/'.$datatoken.'.tmp';
    }                  my $dirpath=$path.'/';
        }                  $dirpath=~s/\/+/\//g;
                   $output .= '<p class="LC_warning">'.&mt('Upload cancelled.').'</p>'
                             .'<p><a href="'.$dirpath.'">'.
                             &mt('Back to Directory').'</a></p>';
               } elsif ((-e $target) && (!$env{'form.override'})) {
                   $output .= '<form action="'.$action.'" method="post">'
                             .'<p class="LC_warning">'
                             .&mt('File [_1] already exists.',
                                  '<span class="LC_filename">'.$fn.'</span>')
                            .'<input type="hidden" name="phase" value="two" />'
                            .'<input type="hidden" name="filename" value="'.$url.'" />'
                            .'<input type="hidden" name="datatoken" value="'.$datatoken.'" />'
                            .'<p>'
                            .'<input type="submit" name="cancel" value="'.&mt('Cancel').'" />'
                            .' <input type="submit" name="override" value="'.&mt('Overwrite').'" />'
                            .'</p>'
                            .'</form>';
               } else {
    my $source=$r->dir_config('lonDaemons').'/tmp/'.$datatoken.'.tmp';
    my $dirpath=$path.'/';
    $dirpath=~s/\/+/\//g;
    # Check for bad extension and disallow upload
                   my $result;
                   ($result,$returnflag) = &check_extension($fn,$mode,$source,$target,$action,$dirpath,$url);
                   $output .= $result;
       }
    } else {
       $output .= '<span class="LC_error">'.
         &mt('Please use browser "Back" button and pick a filename').
         '</span><br />';
    }
     } else {      } else {
        $r->print(   $output .= '<span class="LC_error">'.
    '<font size=+1 color=red>Please pick a filename</font><p>');     &mt('Please use browser "Back" button and pick a filename').
        &phaseone($r,$fn,$uname,$udom);     '</span><br />';
     }      }
   } else {      return ($output,$returnflag);
     $r->print(  }
    '<font size=+1 color=red>Please pick a filename</font><p>');  
     &phaseone($r,$fn,$uname,$udom);  sub check_extension {
   }      my ($fn,$mode,$source,$target,$action,$dirpath,$url) = @_;
       my ($result,$returnflag);
       # Check for bad extension and disallow upload
       if ($fn=~/\.(\w+)$/ &&
           (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
           $result .= '<p class="LC_warning">'.
                      &mt('File [_1] could not be copied.',
                          '<span class="LC_filename">'.$fn.'</span> ').
                      '<br />'.
                      &mt('The extension on this file is reserved internally by LON-CAPA.').
                      '</p>';
       } elsif ($fn=~/\.(\w+)$/ &&
                !defined(&Apache::loncommon::fileembstyle($1))) {
           $result .= '<p class="LC_warning">'.
                      &mt('File [_1] could not be copied.',
                          '<span class="LC_filename">'.$fn.'</span> ').
                      '<br />'.
                      &mt('The extension on this file is not recognized by LON-CAPA.').
                      '</p>';
       } elsif (-d $target) {
           $result .= '<p class="LC_warning">'.
                      &mt('File [_1] could not be copied.',
                          '<span class="LC_filename">'.$fn.'</span>').
                      '<br />'.
                      &mt('The target is an existing directory.').
                      '</p>';
       } elsif (copy($source,$target)) {
           chmod(0660, $target); # Set permissions to rw-rw---.
           if ($mode eq 'testbank' || $mode eq 'imsimport') {
               $returnflag = 'ok';
               $result .= '<p class="LC_success">'
                         .&mt('Your file - [_1] - was uploaded successfully.',
                              '<span class="LC_filename">'.$fn.'<span>')
                         .'</p>';
           } else {
               $result .= '<p class="LC_success">'
                         .&mt('File copied.')  
                         .'</p>';
           }
           # Check for embedded objects.
           my (%allfiles,%codebase);
           my ($text,$header,$css,$js);
           if (($mode ne 'imsimport') && ($target =~ /\.(htm|html|shtml)$/i)) {
               my (%allfiles,%codebase);
               &Apache::lonnet::extract_embedded_items($target,\%allfiles,\%codebase);
               if (keys(%allfiles) > 0) {
                   my ($currentpath) = ($url =~ m{^(.+)/[^/]+$});
                   my $state = &embedded_form_elems('upload_embedded',$url,$mode);
                   my ($embedded,$num,$pathchg) = 
                       &Apache::loncommon::ask_for_embedded_content($action,$state,\%allfiles,
                                                                    \%codebase,
                                                                    {'error_on_invalid_names'   => 1,
                                                                     'ignore_remote_references' => 1,
                                                                     'current_path'             => $currentpath});
                   if ($embedded) {
                       $result .= '<h3>'.&mt('Reference Warning').'</h3>';
                       if ($num) {
                           $result .= '<p>'.&mt('Completed upload of the file.').' '.&mt('This file contained references to other files.').'</p>'.
                                      '<p>'.&mt('Please select the locations from which the referenced files are to be uploaded.').'</p>'.
                                      $embedded;
                           if ($mode eq 'testbank') {
                               $returnflag = 'embedded';
                               $result .=  '<p>'.&mt('Or [_1]continue[_2] the testbank import without these files.','<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';
                           }
                       } else {
                           $result .= '<p>'.&mt('Completed upload of the file.').'</p>'.$embedded;
                           if ($pathchg) {
                               if ($mode eq 'testbank') {
                                   $returnflag = 'embedded';
                                   $result .=  '<p>'.&mt('Or [_1]continue[_2] the testbank import without modifying the references(s).','<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';
                               }
                           }
                       }
                   }
               }
           }
           if (($mode ne 'imsimport') && ($mode ne 'testbank')) {
               $result .= '<br /><a href="'.$url.'">'.
                           &mt('View file').'</a>';
           }
       } else {
           $result .= &mt('Failed to copy: [_1].',$!);
       }
       if ($mode ne 'imsimport' && $mode ne 'testbank') {
           $result .= '<br /><a href="'.$dirpath.'">'.
                      &mt('Back to Directory').'</a><br />';
       }
       return ($result,$returnflag);
   }
   
   sub phasethree {
       my ($r,$fn,$uname,$udom,$mode) = @_;
   
       my $action = '/adm/upload'; 
       if ($mode eq 'testbank') {
           $action = '/adm/testbank';
       } elsif ($mode eq 'imsimport') {
           $action = '/adm/imsimport';
       }
       my $url_root = "/priv/$udom/$uname";
       my $dir_root = $r->dir_config('lonDocRoot').$url_root;
       my $path = &File::Basename::dirname($fn);
       $path =~ s{^\Q$url_root\E}{};
       my $filename = &HTML::Entities::encode($env{'form.filename'},'<>&"');
       my $state = &embedded_form_elems('modify_orightml',$filename,$mode).
                   '<input type="hidden" name="phase" value="four" />';
       my ($result,$returnflag) = 
           &Apache::loncommon::upload_embedded($mode,$path,$uname,$udom,
                                               $dir_root,$url_root,undef,
                                               undef,undef,$state,$action);
       if ($mode ne 'imsimport' && $mode ne 'testbank') {
           $result .= '<br /><h3><a href="'.$fn.'">'.
                     &mt('View main file').'</a></h3>'.
                     '<h3><a href="'.$url_root.$path.'">'.
                     &mt('Back to Directory').'</a></h3><br />';
       }
       return ($result,$returnflag);
   }
   
   sub embedded_form_elems {
       my ($action,$filename,$mode) = @_;
       return <<STATE;
       <input type="hidden" name="action" value="$action" />
       <input type="hidden" name="mode" value="$mode" />
       <input type="hidden" name="filename" value="$filename" />
   STATE
   }
   
   sub phasefour {
       my ($r,$fn,$uname,$udom,$mode) = @_;
   
       my $action = '/adm/upload';
       if ($mode eq 'testbank') {
           $action = '/adm/testbank';
       } elsif ($mode eq 'imsimport') {
           $action = '/adm/imsimport';
       }
       my $result;
       my $url_root = "/priv/$udom/$uname";
       my $dir_root = $r->dir_config('lonDocRoot').$url_root;
       my $path = &File::Basename::dirname($fn);
       $path =~ s{^\Q$url_root\E}{};
       my $outcome = 
           &Apache::loncommon::modify_html_refs($mode,$path,$uname,$udom,$dir_root);
       $result .= $outcome;
       if ($mode ne 'imsimport' && $mode ne 'testbank') {
           $result .= '<br /><h3><a href="'.$fn.'">'.
                     &mt('View main file').'</a></h3>'.
                     '<h3><a href="'.$url_root.$path.'">'.
                     &mt('Back to Directory').'</a></h3><br />';
       }
       return $result;
   }
   
   sub earlyout {
       my ($fn,$uname,$udom) = @_;
       if ($fn =~ m{^(/priv/$udom/$uname(?:.*)/)[^/]*}) {
           return &Apache::lonhtmlcommon::actionbox(
                  ['<a href="'.$1.'">'.&mt('Return to Directory').'</a>']);
       }
       return;
 }  }
   
   # ---------------------------------------------------------------- Main Handler
 sub handler {  sub handler {
   
   my $r=shift;      my $r=shift;
       my $javascript = '';
       my $fn=$env{'form.filename'};
   
   my $uname;      if ($env{'form.filename1'}) {
   my $udom;         $fn=$env{'form.filename1'}.$env{'form.filename2'};
       }
       $fn=~s/\/+/\//g;
   
   ($uname,$udom)=      unless ($fn) {
     &Apache::loncacc::constructaccess(          $r->log_reason($env{'user.name'}.' at '.$env{'user.domain'}.
  $ENV{'form.filename'},$r->dir_config('lonDefDomain'));                         ' unspecified filename for upload', $r->filename);
   unless (($uname) && ($udom)) {          return HTTP_NOT_FOUND;
      $r->log_reason($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\:\/\/[^\/]+\/(\~|priv\/)(\w+)//;  
   } 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 ($uname,$udom)=&Apache::lonnet::constructaccess($fn);
   
       unless (($uname) && ($udom)) {
           $r->log_reason($uname.' at '.$udom.
                          ' trying to publish file '.$env{'form.filename'}.
                          ' - not authorized',
                          $r->filename);
           return HTTP_NOT_ACCEPTABLE;
       }
   
   $r->content_type('text/html');  # ----------------------------------------------------------- Start page output
   $r->send_http_header;  
   
   $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');      &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;
   
   $r->print(      unless ($env{'form.phase'} eq 'two') {
    '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');          $javascript = <<"ENDJS";
   <script type="text/javascript">
   // <![CDATA[
   function verifyForm() {
       var mode = document.fileupload.filetype.options[document.fileupload.filetype.selectedIndex].value
       if (mode == "testbank") {
           document.fileupload.action = "/adm/testbank";
       }
       if (mode == "imsimport") {
           document.fileupload.action = "/adm/imsimport";
       }
       if (mode == "standard") {
           document.fileupload.action = "/adm/upload";
       }
       document.fileupload.submit();
   }
   // ]]>
   </script>
   ENDJS
       }
   
       my $londocroot = $r->dir_config('lonDocRoot');
       my $trailfile = $fn;
       $trailfile =~ s{^/(priv/)}{$londocroot/$1};
   
       # Breadcrumbs
       my $brcrum = [{'href' => &Apache::loncommon::authorspace($fn),
                      'text' => 'Authoring Space'},
                     {'href' => '/adm/upload',
                      'text' => 'Upload file to Authoring Space'}];
       $r->print(&Apache::loncommon::start_page('Upload file to Authoring Space',
                                                $javascript,
                                                {'bread_crumbs' => $brcrum,})
                .&Apache::loncommon::head_subbox(
                   &Apache::loncommon::CSTR_pageheader($trailfile))
       );
       
   $r->print('<h1>Upload file to Construction Space</h1>');      if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
             $r->print('<p class="LC_info">'
   if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {                   .&mt('Co-Author [_1]',$uname.':'.$udom)
           $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.                   .'</p>'
                '</font></h3>');          );
   }      }
       if ($env{'form.phase'} eq 'four') {
           my $output = &phasefour($r,$fn,$uname,$udom,'author');
           $r->print($output);
       } elsif ($env{'form.phase'} eq 'three') {
           my ($output,$rtnflag) = &phasethree($r,$fn,$uname,$udom,'author');
           $r->print($output);
       } elsif ($env{'form.phase'} eq 'two') {
    my ($output,$returnflag) = &phasetwo($r,$fn);
           $r->print($output);
       } else {
    &phaseone($r,$fn,undef,$uname,$udom);
       }
   
       $r->print(&Apache::loncommon::end_page());
       return OK;  
   }
   
   1;
   __END__
   
   if ($ENV{'form.phase'} eq 'two') {  
       &phasetwo($r,$fn,$uname,$udom);  
   } else {  
       &phaseone($r,$fn,$uname,$udom);  
   }  
   
   $r->print('</body></html>');  
   return OK;    
 }  
Removed from v.1.5  
changed lines
  Added in v.1.63

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