Diff for /loncom/publisher/loncfile.pm between versions 1.21 and 1.85

version 1.21, 2003/01/09 22:11:52 version 1.85, 2007/07/23 23:53:31
Line 7 Line 7
 #  presents a page that describes the proposed action to the user  #  presents a page that describes the proposed action to the user
 #  and requests confirmation.  The second phase commits the action  #  and requests confirmation.  The second phase commits the action
 #  and displays a page showing the results of the action.  #  and displays a page showing the results of the action.
 #   #
   
 #  #
 # $Id$  # $Id$
 #  #
Line 34 Line 33
 #  #
 # http://www.lon-capa.org/  # 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.  
 # 05/28/02  Ron Fox:  
 #           - Started putting in pod in standard format.  
 =pod  =pod
   
 =head1 NAME  =head1 NAME
Line 91  use File::Copy; Line 69  use File::Copy;
 use HTML::Entities();  use HTML::Entities();
 use Apache::Constants qw(:common :http :methods);  use Apache::Constants qw(:common :http :methods);
 use Apache::loncacc;  use Apache::loncacc;
 use Apache::Log ();  
 use Apache::lonnet;  use Apache::lonnet;
   use Apache::loncommon();
   use Apache::lonlocal;
   use LONCAPA qw(:DEFAULT :match);
   
   
 my $DEBUG=0;  my $DEBUG=0;
 my $r; # Needs to be global for some stuff RF.  my $r; # Needs to be global for some stuff RF.
Line 121  my $r;    # Needs to be global for some Line 102  my $r;    # Needs to be global for some
 =cut  =cut
   
 sub Debug {  sub Debug {
         # Put out the indicated message butonly if DEBUG is true.
   # Marshall the parameters.      if ($DEBUG) {
      my ($r,$message) = @_;
   my $r       = shift;   $r->log_reason($message);
   my $log     = $r->log;      }
   my $message = shift;  
     
   # Put out the indicated message butonly if DEBUG is false.  
     
   if ($DEBUG) {  
     $log->debug($message);  
   }  
 }  }
   
 =pod  =pod
Line 171  Global References Line 145  Global References
 =cut  =cut
   
 sub URLToPath {  sub URLToPath {
   my $Url = shift;      my $Url = shift;
   &Debug($r, "UrlToPath got: $Url");      &Debug($r, "UrlToPath got: $Url");
   $Url=~ s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;      $Url=~ s/\/+/\//g;
   $Url=~ s/^http\:\/\/[^\/]+//;      $Url=~ s/^http\:\/\/[^\/]+//;
   &Debug($r, "Returning $Url \n");      $Url=~ s/^\///;
   return $Url;      $Url=~ s/(\~|priv\/)($match_username)\//\/home\/$2\/public_html\//;
 }      &Debug($r, "Returning $Url \n");
       return $Url;
 =pod  }
   
 =item PublicationPath($domain, $user, $dir, $file)  sub url {
       my $fn=shift;
    Determines the filesystem path corresponding to a published resource      $fn=~s/^\/home\/($match_username)\/public\_html/\/priv\/$1/;
    specification.  The returned value is the path.      $fn=&HTML::Entities::encode($fn,'<>"&');
 Parameters:      return $fn;
   }
 =over 4  
   sub display {
 =item   $domain - string [in] Name of the domain within which the resource is       my $fn=shift;
              stored.      $fn=~s-^/home/($match_username)/public_html-/priv/$1-;
       return '<tt>'.$fn.'</tt>';
 =item   $user   - string [in] Name of the user asking about the resource.  
   
 =item   $dir    - Directory path relative to the top of the resource space.  
   
 =item   $file   - name of the resource file itself without path info.  
   
 =back  
   
 =over 4  
   
 Returns:  
   
 =item  string - full path to the file if it exists in publication space.  
   
 =back  
        
 =cut  
   
 sub PublicationPath  
 {  
   my ($domain, $user, $dir, $file)=@_;  
   
   return '/home/httpd/html/res/'.$domain.'/'.$user.'/'.$dir.'/'.  
  $file;  
 }  }
   
 =pod  
   
 =item ConstructionPath($domain, $user, $dir, $file)  
   
    Determines the filesystem path corresponding to a construction space  
    resource specification.  The returned value is the path  
 Parameters:  
   
 =over 4  
   
 =item   $user   - string [in] Name of the user asking about the resource.  
   
 =item   $dir    - Directory path relative to the top of the resource space.  
   
 =item   $file   - name of the resource file itself without path info.  
   
 Returns:  
   
 =item  string - full path to the file if it exists in Construction space.  
   
 =back  
        
 =cut  
   
 sub ConstructionPath {  
   my ($user, $dir, $file) = @_;  
   
   return '/home/'.$user.'/public_html/'.$dir.'/'.$file;  
   
   # see if the file is
   # a) published (return 0 if not)
   # b) if, so obsolete (return 0 if not)
   
   sub obsolete_unpub {
       my ($user,$domain,$construct)=@_;
       my $published=$construct;
       $published=~
    s/^\/home\/$user\/public\_html\//\/home\/httpd\/html\/res\/$domain\/$user\//;
       if (-e $published) {
    if (&Apache::lonnet::metadata($published,'obsolete')) {
       return 1;
    }
    return 0;
       } else {
    return 1;
       }
 }  }
 =pod  
   
 =item  ConstructionPathFromRelative($user, $relname)  
   
    Determines the path to a construction space file given  
 the username and the path relative to the root of construction space.  
   
 Parameters:  
   
 =over 4  
   
 =item  $user  - string [in] Name of the user in whose construction space the  
            file [will] live.  
   
 =item  $relname - string[in] Path to the file relative to the root of the  
             construction space.  
   
 =back  
   
 Returns:  
   
 =over 4     
   
 =item  string - Full path to the file.  
   
 =back  
   
 =cut  
   
 sub ConstructionPathFromRelative {  
   
   my ($user, $relname) = @_;  
   return '/home/'.$user.'/public_html'.$relname;  
   
   # see if directory is empty
   # ignores any .meta, .save, .bak, and .log files created for a previously
   # published file, which has since been marked obsolete and deleted.
   sub empty_directory {
       my ($dirname,$phase) = @_;
       if (opendir DIR, $dirname) {
           my @files = grep(!/^\.\.?$/, readdir(DIR)); # ignore . and ..
           if (@files) { 
               my @orphans = grep(/\.(meta|save|log|bak)$/,@files);
               if (scalar(@files) - scalar(@orphans) > 0) { 
                   return 0;
               } else {
                   if (($phase eq 'Delete2') && (@orphans > 0)) {
                       foreach my $file (@orphans) {
                           if ($file =~ /\.(meta|save|log|bak)$/) {
                               unlink($dirname.$file);
                           }
                       }
                   }
               }
           }
           closedir(DIR);
           return 1;
       }
       return 0;
 }  }
   
 =pod  =pod
   
 =item exists($user, $domain, $directory, $file)  =item exists($user, $domain, $file)
   
    Determine if a resource file name has been published or exists     Determine if a resource file name has been published or exists
    in the construction space.     in the construction space.
Line 295  sub ConstructionPathFromRelative { Line 226  sub ConstructionPathFromRelative {
   
 =over 4  =over 4
   
 =item  $user   - string [in] - Name of the user for which to check.  =item  $user     - string [in] - Name of the user for which to check.
   
 =item  $domain - string [in] - Name of the domain in which the resource  =item  $domain   - string [in] - Name of the domain in which the resource
                           might have been published.                            might have been published.
   
 =item  $dir    - string [in] - Path relative to construction or resource space  =item  $file     - string [in] - Name of the file.
                           in which the resource might live.  
   
 =item  $file   - string [in] - Name of the file.  =item  $creating - string [in] - optional, type of object being created,
                                  either 'directory' or 'file'. Defaults to
                                  'file' if unspecified.
   
 =back  =back
   
Line 311  Returns: Line 243  Returns:
   
 =over 4  =over 4
   
   =item  string - Either undef, 'warning' or 'error' depending on the
                   type of problem
   
 =item  string - Either where the resource exists as an html string that can  =item  string - Either where the resource exists as an html string that can
            be embedded in a dialog or an empty string if the resource             be embedded in a dialog or an empty string if the resource
            does not exist.             does not exist.
Line 320  Returns: Line 255  Returns:
 =cut  =cut
   
 sub exists {  sub exists {
   my ($user, $domain, $dir, $file) = @_;      my ($user, $domain, $construct, $creating) = @_;
       $creating ||= 'file';
   
   # Create complete paths in publication and construction space.      my $published=$construct;
   my $relativedir=$dir;      $published=~
   $relativedir=s|/home/\Q$user\E/public_html||;   s{^/home/$user/public_html/}{/home/httpd/html/res/$domain/$user/};
   my $published = &PublicationPath($domain, $user, $relativedir, $file);      my ($type,$result);
   my $construct = &ConstructionPath($user, $relativedir, $file);      if ( -d $construct ) {
    return ('error','<p><span class="LC_error">'.&mt('Error: destination for operation is an existing directory.').'</span></p>');
   # If the resource exists in either space indicate this fact.  
   # Note that the check for existence in resource space is stricter.      }
   
   my $result;      
   if ( -d $construct ) {  
       return 'Error: destination for operation is a directory.';  
   }  
   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;      if ( -e $published) {
    if ( -e $construct ) {
       $type = 'warning';
       $result.='<p><span class="LC_warning">'.&mt('Warning: target file exists, and has been published!').'</span></p>';
    } else {
       my $published_type = (-d $published) ? 'directory' : 'file';
   
       if ($published_type eq $creating) {
    $type = 'warning';
    $result.='<p><span class="LC_warning">'.&mt("Warning: a published $published_type of this name exists.").'</span></p>';
       } else {
    $type = 'error';
    $result.='<p><span class="LC_error">'.&mt("Error: a published $published_type of this name exists.").'</span></p>';
       }
    }
       } elsif ( -e $construct) {
    $type = 'warning';
    $result.='<p><span class="LC_warning">'.&mt('Warning: target file exists!').'</span></p>';
       }
   
       return ($type,$result);
 }  }
   
 =pod  =pod
Line 382  sub checksuffix { Line 326  sub checksuffix {
     my $newsuffix;      my $newsuffix;
     if ($new=~m:(.*/*)([^/]+)\.(\w+)$:) { $newsuffix=$3; }      if ($new=~m:(.*/*)([^/]+)\.(\w+)$:) { $newsuffix=$3; }
     if ($old=~m:(.*)/+([^/]+)\.(\w+)$:) { $oldsuffix=$3; }      if ($old=~m:(.*)/+([^/]+)\.(\w+)$:) { $oldsuffix=$3; }
     if ($oldsuffix ne $newsuffix) {      if (lc($oldsuffix) ne lc($newsuffix)) {
  $result.=   $result.=
             '<p><font color=red>Warning: change of MIME type!</font></p>';              '<p><span class="LC_warning">'.&mt('Warning: change of MIME type!').'</span></p>';
     }      }
     return $result;      return $result;
 }  }
   
   sub cleanDest {
       my ($request,$dest,$subdir,$fn,$uname)=@_;
       #remove bad characters
       my $foundbad=0;
       if ($subdir && $dest =~/\./) {
    $foundbad=1;
    $dest=~s/\.//g;
       }
       if  ($dest=~/[\#\?&%\":]/) {
    $foundbad=1;
    $dest=~s/[\#\?&%\":]//g;
       }
       if ($dest=~m|/|) {
    my ($newpath)=($dest=~m|(.*)/|);
    $newpath=&relativeDest($fn,$newpath,$uname);
    if (! -d "$newpath") {
       $request->print("<p><span class=\"LC_error\">".&mt('You have requested to create file in directory [_1] which doesn\'t exist. The requested directory path has been removed from the requested file name.','"<tt>'.$newpath.'</tt>"')."</span></p>");
       $dest=~s|.*/||;
    }
       }
       if ($dest =~ /\.(\d+)\.(\w+)$/){
    $request->print('<span class="LC_error">'
    .&mt('Bad filename [_1].<br /> <tt>(name).(number).(extension)</tt> not allowed. <br /> Removing the <tt>.number.</tt> from requested filename.',$dest)
    .'</span>');
    $dest =~ s/\.(\d+)(\.\w+)$/$2/;
       }
       if ($foundbad) {
    $request->print("<p><span class=\"LC_error\">".&mt('Invalid characters in requested name have been removed.')."</span></p>");
       }
       return $dest;
   }
   
   sub relativeDest {
       my ($fn,$newfilename,$uname)=@_;
       if ($newfilename=~/^\//) {
   # absolute, simply add path
    $newfilename='/home/'.$uname.'/public_html/';
       } else {
    my $dir=$fn;
    $dir=~s/\/[^\/]+$//;
    $newfilename=$dir.'/'.$newfilename;
       }
       $newfilename=~s://+:/:g; # remove duplicate /
       while ($newfilename=~m:/\.\./:) {
    $newfilename=~ s:/[^/]+/\.\./:/:g; #remove dir/..
       }
       return $newfilename;
   }
   
 =pod  =pod
   
 =item CloseForm1($request, $user, $file)  =item CloseForm1($request, $user, $file)
Line 407  Parameters: Line 401  Parameters:
 =cut  =cut
   
 sub CloseForm1 {  sub CloseForm1 {
    my ($request,  $cancelurl) = @_;      my ($request,  $fn) = @_;
       $request->print('<p><input type="submit" value="'.&mt('Continue').'" /></p></form>');
       $request->print('<form action="'.&url($fn).
    &Debug($request, "Cancel url is: ".$cancelurl);      '" method="POST"><p><input type="submit" value="'.&mt('Cancel').'" /></p></form>');
    $request->print('<p><input type=submit value=Continue></p></form>');  
    $request->print('<form action="'.$cancelurl.  
    '" method=GET"><p><input type=submit value=Cancel><p></form>');  
   
 }  }
   
   
Line 443  Parameters: Line 433  Parameters:
 =cut  =cut
   
 sub CloseForm2 {  sub CloseForm2 {
   my ($request, $user, $directory) = @_;      my ($request, $user, $fn) = @_;
       $request->print('<h3><a href="'.&url($fn).'/">'.&mt('Done').'</a></h3>');
   $request->print('<h3><a=href="/priv/'.$user.$directory.'/">Done </a> </h3>');  
 }  }
   
 =pod  =pod
Line 484  new filename relative to the current dir Line 473  new filename relative to the current dir
 =cut    =cut  
   
 sub Rename1 {  sub Rename1 {
     my ($request, $filename, $user, $domain, $dir) = @_;      my ($request, $user, $domain, $fn, $newfilename, $style) = @_;
     &Debug($request, "Username - ".$user." filename: ".$filename."\n");  
     my $conspace = $filename;      if(-e $fn) {
    if($newfilename) {
     my $cancelurl = "/priv/".$filename;      # is dest a dir
     $cancelurl    =~ s/\/home\///;      if ($style eq 'move') {
     $cancelurl    =~ s/\/public_html//;   if (-d $newfilename) {
           if ($fn =~ m|/([^/]*)$|) { $newfilename .= '/'.$1; }
     if(-e $conspace) {   }
  if($ENV{'form.newfilename'}) {      }
     my $newfilename = $ENV{'form.newfilename'};      if ($newfilename =~ m|/[^\.]+$|) {
     $request->print(&checksuffix($filename, $newfilename));   #no extension add on original extension
     my $return=&exists($user, $domain, $dir, $newfilename);   if ($fn =~ m|/[^\.]*\.([^\.]+)$|) {
       $newfilename.='.'.$1;
    }
       }
       $request->print(&checksuffix($fn, $newfilename));
       #renaming a dir, delete the trailing /
               #remove second to last element for current dir
       if (-d $fn) {
    $newfilename=~/\.(\w+)$/;
    if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
       $request->print('<br /><span classr="LC_warning">'.
       &mt('Cannot change MIME type of a directory').
       '</span>'.
       '<br /><a href="'.&url($fn).'">'.&mt('Cancel').'</a>');
       return;
    }
    $newfilename=~s/\/[^\/]+\/([^\/]+)$/\/$1/;
       }
       $newfilename=~s://+:/:g; # remove duplicate /
       while ($newfilename=~m:/\.\./:) {
    $newfilename=~ s:/[^/]+/\.\./:/:g; #remove dir/..
       }
       my ($type, $return)=&exists($user, $domain, $newfilename);
     $request->print($return);      $request->print($return);
     if ($return =~/^Error:/) {      if ($type eq 'error') {
  $request->print('<br /><a href="'.$cancelurl.'">Cancel</a>');   $request->print('<br /><a href="'.&url($fn).'">'.&mt('Cancel').'</a>');
    return;
       }
       unless (&obsolete_unpub($user,$domain,$fn)) {
    $request->print('<h3>'.&mt('Cannot rename or move non-obsolete published file').'</h3>'.
    '<br /><a href="'.&url($fn).'">'.&mt('Cancel').'</a>');
  return;   return;
     }      }
     my $dest=&SimplifyDir($dir,$newfilename);      my $action;
     $request->print('<input type=hidden name=newfilename value="'.      if ($style eq 'rename') {
    $action=&mt('Rename');
       } else {
    $action=&mt('Move');
       }
       $request->print('<input type="hidden" name="newfilename" value="'.
     $newfilename.      $newfilename.
     '"><p>Rename <tt>'.$filename.'</tt><br /> to <tt>'.      '" /><p>'.$action.' '.&display($fn).
     $dest.'</tt>?</p>');      '</tt><br />to '.&display($newfilename).'?</p>');
     &CloseForm1($request, $cancelurl);      &CloseForm1($request, $fn);
  } else {   } else {
     $request->print('<p>No new filename specified</p></form>');      $request->print('<p>'.&mt('No new filename specified.').'</p></form>');
     return;      return;
  }   }
     } else {      } else {
  $request->print('<p> No such File </p> </form>');   $request->print('<p> '.&mt('No such file').': '.&display($fn).'</p></form>');
  return;   return;
     }      }
           
 }  }
   
 =pod  =pod
   
 =item Delete1  =item Delete1
Line 529  Parameters: Line 551  Parameters:
   
 =over 4  =over 4
   
 =item   $request   - Apache Request Object [in] request object for the current  =item   $request   - Apache Request Object [in] request object for the current 
                 request.                  request.
   
 =item   $user      - string [in] Name of session user.  =item   $user      - string [in]  Name of the user initiating the request.
   
   =item   $domain    - string [in]  Domain the initiating user is logged in as
   
 =item   $filename  - string [in] Name fo the file to be deleted:  =item   $filename  - string [in]  Source filename.
                 Filename is the full filesystem path to the file.  
   
 =back  =back
   
 =cut  =cut
   
 sub Delete1 {  sub Delete1 {
   my ($request, $user,  $filename) = @_;      my ($request, $user, $domain, $fn) = @_;
   
   my $cancelurl = '/priv/'.$filename;      if( -e $fn) {
   $cancelurl    =~ s/\/home\///;   $request->print('<input type="hidden" name="newfilename" value="'.
   $cancelurl    =~ s/\/public_html//;   $fn.'"/>');
             if (-d $fn) {
               unless (&empty_directory($fn,'Delete1')) {
   if( -e $filename) {                  $request->print('<h3>'.&mt('Only empty directories may be deleted.').'</h3>'.
     $request->print('<input type=hidden name=newfilename value="'.                              'You must delete the contents of the directory first.<br />'.
     $filename.'">');                              '<br /><a href="'.&url($fn).'">'.&mt('Cancel').'</a>');
     $request->print('<p> Delete <tt>'.$filename.'</tt>?</p>');                  return;
     &CloseForm1($request, $cancelurl);              }
   } else {          } else { 
     $request->print('<p> No Such file: <tt>'.$filename.'</tt></p></form>');      unless (&obsolete_unpub($user,$domain,$fn)) {
   }          $request->print('<h3>'.&mt('Cannot delete non-obsolete published file').'</h3>'.
       '<br /><a href="'.&url($fn).'">'.&mt('Cancel').'</a>');
           return;
       }
           }
    $request->print('<p>'.&mt('Delete').' '.&display($fn).'?</p>');
    &CloseForm1($request, $fn);
       } else {
    $request->print('<p>'.&mt('No such file').': '.&display($fn).'</p></form>');
       }
 }  }
   
 =pod  =pod
Line 579  Parameters: Line 610  Parameters:
   
 =item   $domain    - string [in]  Domain the initiating user is logged in as  =item   $domain    - string [in]  Domain the initiating user is logged in as
   
 =item   $dir       - string [in]  Directory path.  =item   $fn  - string [in]  Source filename.
   
 =item   $filename  - string [in]  Source filename.  
   
 =item   $newfilename-string [in]  Destination filename.  =item   $newfilename-string [in]  Destination filename.
   
Line 590  Parameters: Line 619  Parameters:
 =cut  =cut
   
 sub Copy1 {  sub Copy1 {
   my ($request, $user, $domain, $dir, $filename, $newfilename) = @_;      my ($request, $user, $domain, $fn, $newfilename) = @_;
   
   my $cancelurl = "/priv/".$filename;  
   $cancelurl    =~ s/\/home\///;  
   $cancelurl    =~ s/\/public_html//;  
       
   
   if(-e $filename) {      if(-e $fn) {
     $request->print(&checksuffix($filename,$newfilename));   # is dest a dir
     my $return=&exists($user, $domain, $dir, $newfilename);   if (-d $newfilename) {
     $request->print($return);      if ($fn =~ m|/([^/]*)$|) { $newfilename .= '/'.$1; }
     if ($return =~/^Error:/) {   }
  $request->print('<br /><a href="'.$cancelurl.'">Cancel</a>');   if ($newfilename =~ m|/[^\.]+$|) {
  return;      #no extension add on original extension
       if ($fn =~ m|/[^\.]*\.([^\.]+)$|) { $newfilename.='.'.$1; }
    } 
    $newfilename=~s://+:/:g; # remove duplicate /
    while ($newfilename=~m:/\.\./:) {
       $newfilename=~ s:/[^/]+/\.\./:/:g; #remove dir/..
    }
    $request->print(&checksuffix($fn,$newfilename));
    my ($type,$return)=&exists($user, $domain, $newfilename);
    $request->print($return);
    if ($type eq 'error') {
       $request->print('<br /><a href="'.&url($fn).'">'.&mt('Cancel').'</a>');
       return;
    }
    $request->print('<input type="hidden" name="newfilename" value="'.
    $newfilename.
    '" /><p>'.&mt('Copy').' '.&display($fn).'<br />to '.
    &display($newfilename).'?</p>');
    &CloseForm1($request, $fn);
       } else {
    $request->print('<p>'.&mt('No such file').': '.&display($fn).'</p></form>');
     }      }
     my $dest=&SimplifyDir($dir,$newfilename);  
     $request->print('<input type = hidden name = newfilename value = "'.  
     $dir.'/'.$newfilename.  
     '"><p>Copy <tt>'.$filename.'</tt><br />  to '.  
     '<tt>'.$dest.'</tt>?</p>');  
     &CloseForm1($request, $cancelurl);  
   } else {  
     $request->print('<p>No such file <tt>'.$filename.'</p></form>');  
   }  
 }  }
   
 =pod  =pod
   
 =item SimplifyDir  =item NewDir1
    
   Removes all extra / and all .. references    Does all phase 1 processing of directory creation:
     Ensures that the user provides a new directory name,
     and that the directory does not already exist.
   
 Parameters:  Parameters:
   
 =over 4  =over 4
   
 =item $dir - string [in] a directory name  =item   $request  - Apache Request Object [in] - Server request object for the
                  current url.
   
 =item $file - string [in] a file reference relative to $dir  =item   $username - Name of the user that is requesting the directory creation.
   
   =item $domain - Domain user is in
   
   =item   $fn     - source file.
   
   =item   $newdir   - Name of the directory to be created; path relative to the 
                  top level of construction space.
 =back  =back
   
 Results: the concatenated path.  Side Effects:
   
   =over 4
   
   =item A new form is displayed.  Clicking on the confirmation button
   causes the newdir operation to transition into phase 2.  The hidden field
   "newfilename" is set with the construction space path to the new directory.
   
   
   =back
   
 =cut  =cut
   
 sub SimplifyDir {  
     my ($dir,$file) = @_;  sub NewDir1 {
     my $location = $dir. '/'.$file;      my ($request, $username, $domain, $fn, $newfilename, $mode) = @_;
     $location=~s://+:/:g; # remove duplicate /  
     while ($location=~m:/\.\./:) {$location=~s:/[^/]+/\.\./:/:g;}#remove dir/..      my ($type, $result)=&exists($username,$domain,$newfilename,'directory');
     return $location;      $request->print($result);
       if ($type eq 'error') {
    $request->print('</form>');
       } else {
    if ($mode eq 'testbank') {
       $request->print('<input type="hidden" name="callingmode" value="testbank">');
    } elsif ($mode eq 'imsimport') {
       $request->print('<input type="hidden" name="callingmode" value="imsimport">');
    }
    $request->print('<input type="hidden" name="newfilename" value="'.
    $newfilename.'" /><p>'.&mt('Make new directory').' '.
    &display($newfilename).'?</p>');
    &CloseForm1($request, $fn);
       }
   }
   
   
   sub Decompress1 {
       my ($request, $user, $domain, $fn) = @_;
       if( -e $fn) {
       $request->print('<input type="hidden" name="newfilename" value="'.$fn.'"/>');
       $request->print('<p>'.&mt('Decompress').' '.&display($fn).'?</p>');
       &CloseForm1($request, $fn);
       } else {
    $request->print('<p>'.&mt('No such file').': '.&display($fn).'</p></form>');
       }
 }  }
   
 =pod  =pod
   
 =item NewDir1  =item NewFile1
     
   Does all phase 1 processing of directory creation:    Does all phase 1 processing of file creation:
   Ensures that the user provides a new directory name,    Ensures that the user provides a new filename, adds proper extension
   and that the directory does not already exist.    if needed and that the file does not already exist, if it is a html,
     problem, page, or sequence, it then creates a form link to hand the
     actual creation off to the proper handler.
   
 Parameters:  Parameters:
   
Line 661  Parameters: Line 741  Parameters:
   
 =item   $username - Name of the user that is requesting the directory creation.  =item   $username - Name of the user that is requesting the directory creation.
   
 =item   $path     - current directory relative to construction space.  =item   $domain   - Name of the domain of the user
   
 =item   $newdir   - Name of the directory to be created; path relative to the   =item   $fn      - Source file name
                top level of construction space.  
   =item   $newfilename
                     - Name of the file to be created; no path information
 =back  =back
   
 Side Effects:  Side Effects:
   
 =over 4  =over 4
   
 =item A new form is displayed.  Clicking on the confirmation button  =item 2 new forms are displayed.  Clicking on the confirmation button
 causes the newdir operation to transition into phase 2.  The hidden field  causes the browser to attempt to load the specfied URL, allowing the
 "newfilename" is set with the construction space path to the new directory.  proper handler to take care of file creation. There is also a Cancel
   button which returns you to the driectory listing you came from
   
 =back  =back
   
 =cut  =cut
   
   sub NewFile1 {
       my ($request, $user, $domain, $fn, $newfilename) = @_;
   
 sub NewDir1      if ($env{'form.action'} =~ /new(.+)file/) {
 {   my $extension=$1;
   my ($request, $username, $path, $newdir) = @_;  
   
   my $fullpath = '/home/'.$username.'/public_html/'.  
     $path.'/'.$newdir;  
   
   my $cancelurl = '/priv/'.$username.'/'.$path;  
   
   &Debug($request, "Full path is : ".$fullpath);  
   
   if(-e $fullpath) {  
     $request->print('<p>Directory exists.</p></form>');  
   }  
   else {  
     $request->print('<input type=hidden name=newfilename value="'.  
     $newdir.'"><p>Make new directory <tt>'.  
     $path."/".$newdir.'</tt>?</p>');  
     &CloseForm1($request, $cancelurl);  
   
   }          ##Informs User (name).(number).(extension) not allowed 
    if($newfilename =~ /\.(\d+)\.(\w+)$/){
       $r->print('<span class="LC_error">'.$newfilename.
         ' - '.&mt('Bad Filename').'<br />('.&mt('name').').('.&mt('number').').('.&mt('extension').') '.
         ' '.&mt('Not Allowed').'</span>');
       return;
    }
    if($newfilename =~ /(\:\:\:|\&\&\&|\_\_\_)/){
       $r->print('<span class="LC_error">'.$newfilename.
         ' - '.&mt('Bad Filename').'<br />('.&mt('Must not include').' '.$1.') '.
         ' '.&mt('Not Allowed').'</span>');
       return;
    }
    if ($newfilename !~ /\Q.$extension\E$/) {
       if ($newfilename =~ m|/[^/.]*\.(?:[^/.]+)$|) {
    #already has an extension strip it and add in expected one
    $newfilename =~ s|(/[^./])\.(?:[^.]+)$|$1|;
       }
       $newfilename.=".$extension";
    }
       }
       my ($type, $result)=&exists($user,$domain,$newfilename);
       $request->print($result);
       if ($type eq 'error') {
    $request->print('</form>');
       } else {
   
    $request->print('<p>'.&mt('Make new file').' '.&display($newfilename).'?</p>');
    $request->print('</form>');
    $request->print('<form action="'.&url($newfilename).
    '" method="POST"><p><input type="submit" value="'.&mt('Continue').'" /></p></form>');
    $request->print('<form action="'.&url($fn).
    '" method="POST"><p><input type="submit" value="'.&mt('Cancel').'" /></p></form>');
       }
 }  }
   
 =pod  =pod
Line 733  performed and reported to the user. Line 833  performed and reported to the user.
 =cut  =cut
   
 sub phaseone {  sub phaseone {
   my ($r,$fn,$uname,$udom)=@_;      my ($r,$fn,$uname,$udom)=@_;
     
   $fn=~m:(.*)/([^/]+)\.(\w+)$:;  
   my $dir=$1;  
   my $main=$2;  
   my $suffix=$3;  
     
   #  my $conspace=ConstructionPathFromRelative($uname, $fn);  
     
       
   $r->print('<form action=/adm/cfile method=post>'.      my $doingdir=0;
     '<input type=hidden name=filename value="/~'.$uname.$fn.'">'.      if ($env{'form.action'} eq 'newdir') { $doingdir=1; }
     '<input type=hidden name=phase value=two>'.      my $newfilename=&cleanDest($r,$env{'form.newfilename'},$doingdir,$fn,$uname);
     '<input type=hidden name=action value='.$ENV{'form.action'}.'>');      $newfilename=&relativeDest($fn,$newfilename,$uname);
         $r->print('<form action="/adm/cfile" method="post">'.
   if ($ENV{'form.action'} eq 'rename') {        '<input type="hidden" name="qualifiedfilename" value="'.$fn.'" />'.
             '<input type="hidden" name="phase" value="two" />'.
     &Rename1($r, $fn, $uname, $udom, $dir);        '<input type="hidden" name="action" value="'.$env{'form.action'}.'" />');
       
   } elsif ($ENV{'form.action'} eq 'delete') {   
       
     &Delete1($r, $uname, $fn);  
       
   } elsif ($ENV{'form.action'} eq 'copy') {   
     if($ENV{'form.newfilename'}) {  
       my $newfilename = $ENV{'form.newfilename'};  
       &Copy1($r, $uname, $udom, $dir, $fn, $newfilename);  
     }else {  
       $r->print('<p>No new filename specified.</p></form>');  
     }  
   } elsif ($ENV{'form.action'} eq 'newdir') {  
     &NewDir1($r, $uname, $dir, $ENV{'form.newfilename'});  
   }  
       
       if ($env{'form.action'} eq 'rename') {
    &Rename1($r, $uname, $udom, $fn, $newfilename, 'rename');
       } elsif ($env{'form.action'} eq 'move') {
    &Rename1($r, $uname, $udom, $fn, $newfilename, 'move');
       } elsif ($env{'form.action'} eq 'delete') { 
    &Delete1($r, $uname, $udom, $fn);
       } elsif ($env{'form.action'} eq 'decompress') {
    &Decompress1($r, $uname, $udom, $fn);
       } elsif ($env{'form.action'} eq 'copy') { 
    if($newfilename) {
       &Copy1($r, $uname, $udom, $fn, $newfilename);
    } else {
       $r->print('<p>'.&mt('No new filename specified.').'</p></form>');
    }
       } elsif ($env{'form.action'} eq 'newdir') {
    my $mode = '';
    if (exists($env{'form.callingmode'}) ) {
       $mode = $env{'form.callingmode'};
    }   
    &NewDir1($r, $uname, $udom, $fn, $newfilename, $mode);
       }  elsif ($env{'form.action'} eq 'newfile' ||
         $env{'form.action'} eq 'newhtmlfile' ||
         $env{'form.action'} eq 'newproblemfile' ||
         $env{'form.action'} eq 'newpagefile' ||
         $env{'form.action'} eq 'newsequencefile' ||
         $env{'form.action'} eq 'newrightsfile' ||
         $env{'form.action'} eq 'newstyfile' ||
                 $env{'form.action'} eq 'newlibraryfile' ||
         $env{'form.action'} eq 'Select Action') {
           my $empty=&mt('Type Name Here');
    if (($newfilename!~/\/$/) && ($newfilename!~/$empty$/)) {
       &NewFile1($r, $uname, $udom, $fn, $newfilename);
    } else {
       $r->print('<p>'.&mt('No new filename specified.').'</p></form>');
    }
       }
 }  }
   
 =pod  =pod
Line 805  Returns: Line 918  Returns:
   
 sub Rename2 {  sub Rename2 {
   
   my ($request, $user, $directory, $oldfile, $newfile) = @_;      my ($request, $user, $directory, $oldfile, $newfile) = @_;
   
   &Debug($request, "Rename2 directory: ".$directory." old file: ".$oldfile.      &Debug($request, "Rename2 directory: ".$directory." old file: ".$oldfile.
  " new file ".$newfile."\n");     " new file ".$newfile."\n");
   &Debug($request, "Target is: ".$directory.'/'.      &Debug($request, "Target is: ".$directory.'/'.
  $newfile);     $newfile);
       if (-e $oldfile) {
   if(-e $oldfile) {  
       unless(rename($oldfile,   my $oRN=$oldfile;
     $directory.'/'.$newfile)) {   my $nRN=$newfile;
   $request->print('<font color=red>Error: '.$!.'</font>');   unless (rename($oldfile,$newfile)) {
   return 0;      $request->print('<span class="LC_error">'.&mt('Error').': '.$!.'</span>');
       } else {}      return 0;
   } else {   }
       $request->print("<p> No such file: /home".$user.'/public_html'.   ## If old name.(extension) exits, move under new name.
       $oldfile.' </p></form>');   ## If it doesn't exist and a new.(extension) exists  
       return 0;   ## delete it (only concern when renaming over files)
   }   my $tmp1=$oRN.'.meta';
   return 1;   my $tmp2=$nRN.'.meta';
    if(-e $tmp1){
       unless(rename($tmp1,$tmp2)){ }
    } elsif(-e $tmp2){
       unlink $tmp2;
    }
    $tmp1=$oRN.'.save';
    $tmp2=$nRN.'.save';
    if(-e $tmp1){
       unless(rename($tmp1,$tmp2)){ }
    } elsif(-e $tmp2){
       unlink $tmp2;
    }
    $tmp1=$oRN.'.log';
    $tmp2=$nRN.'.log';
    if(-e $tmp1){
       unless(rename($tmp1,$tmp2)){ }
    } elsif(-e $tmp2){
       unlink $tmp2;
    }
    $tmp1=$oRN.'.bak';
    $tmp2=$nRN.'.bak';
    if(-e $tmp1){
       unless(rename($tmp1,$tmp2)){ }
    } elsif(-e $tmp2){
       unlink $tmp2;
    }
       } else {
    $request->print("<p> ".&mt('No such file').": ".&display($oldfile).'</p></form>');
    return 0;
       }
       return 1;
 }  }
   
 =pod  =pod
   
 =item Delete2($request, $user, $filename)  =item Delete2($request, $user, $filename)
Line 855  Returns: Line 1000  Returns:
 =cut  =cut
   
 sub Delete2 {  sub Delete2 {
   my ($request, $user, $filename) = @_;      my ($request, $user, $filename) = @_;
       if (-d $filename) { 
   if(-e $filename) {   unless (&empty_directory($filename,'Delete2')) { 
     unless(unlink($filename)) {      $request->print('<span class="LC_error">'.&mt('Error: Directory Non Empty').'</span>'); 
       $request->print('<font color=red>Error: '.$!.'</font>');      return 0;
       return 0;   } else {   
       if(-e $filename) {
    unless(rmdir($filename)) {
       $request->print('<span class="LC_error">'.&mt('Error').': '.$!.'</span>');
       return 0;
    }
       } else {
    $request->print('<p> '.&mt('No such file').'. </p></form>');
    return 0;
       }
    }
       } else {
    if(-e $filename) {
       unless(unlink($filename)) {
    $request->print('<span class="LC_error">'.&mt('Error').': '.$!.'</span>');
    return 0;
       }
    } else {
       $request->print('<p> '.&mt('No such file').'. </p></form>');
       return 0;
    }
     }      }
   } else {      return 1;
     $request->print('<p> No such file. </form');  
     return 0;  
   }  
   return 1;  
 }  }
   
 =pod  =pod
Line 893  sub Delete2 { Line 1054  sub Delete2 {
   
 =back  =back
   
 Returns 0 failure, and 0 successs.  Returns 0 failure, and 1 successs.
   
 =cut  =cut
   
Line 901  sub Copy2 { Line 1062  sub Copy2 {
     my ($request, $username, $dir, $oldfile, $newfile) = @_;      my ($request, $username, $dir, $oldfile, $newfile) = @_;
     &Debug($request ,"Will try to copy $oldfile to $newfile");      &Debug($request ,"Will try to copy $oldfile to $newfile");
     if(-e $oldfile) {      if(-e $oldfile) {
           if ($oldfile eq $newfile) {
               $request->print('<span class="LC_error">'.&mt('Warning').': '.&mt('Name of new file is the same as name of old file').' - '.&mt('no action taken').'.</span>');
               return 1;
           }
  unless (copy($oldfile, $newfile)) {   unless (copy($oldfile, $newfile)) {
     $request->print('<font color=red> copy Error: '.$!.'</font>');      $request->print('<span class="LC_error">'.&mt('copy Error').': '.$!.'</span>');
       return 0;
    } elsif (!chmod(0660, $newfile)) {
       $request->print('<span class="LC_error">'.&mt('chmod error').': '.$!.'</span>');
       return 0;
    } elsif (-e $oldfile.'.meta' && 
    !copy($oldfile.'.meta', $newfile.'.meta') &&
    !chmod(0660, $newfile.'.meta')) {
       $request->print('<span class="LC_error">'.&mt('copy metadata error').
       ': '.$!.'</span>');
     return 0;      return 0;
  } else {   } else {
     unless (chmod(0660, $newfile)) {  
  $request->print('<font color=red> chmod error: '.$!.'</font>');  
  return 0;  
     }  
     return 1;      return 1;
  }   }
     } else {      } else {
  $request->print('<p> No such file </p>');   $request->print('<p> '.&mt('No such file').' </p>');
  return 0;   return 0;
     }      }
     return 1;      return 1;
 }  }
   
 =pod  =pod
   
 =item NewDir2($request, $user, $newdirectory)  =item NewDir2($request, $user, $newdirectory)
Line 940  Returns 0 - failure 1 - success. Line 1111  Returns 0 - failure 1 - success.
 =cut  =cut
   
 sub NewDir2 {  sub NewDir2 {
   my ($request, $user, $newdirectory) = @_;      my ($request, $user, $newdirectory) = @_;
       
   unless(mkdir($newdirectory, 02770)) {      unless(mkdir($newdirectory, 02770)) {
     $request->print('<font color=red>Error: '.$!.'</font>');   $request->print('<span class="LC_error">'.&mt('Error').': '.$!.'</span>');
     return 0;   return 0;
   }      }
   unless(chmod(02770, ($newdirectory))) {      unless(chmod(02770, ($newdirectory))) {
       $request->print('<font color=red> Error: '.$!.'</font>');   $request->print('<span class="LC_error">'.&mt('Error').': '.$!.'</span>');
       return 0;   return 0;
   }      }
   return 1;      return 1;
   }
   
   sub decompress2 {
       my ($r, $user, $dir, $file) = @_;
       &Apache::lonnet::appenv('cgi.file' => $file);
       &Apache::lonnet::appenv('cgi.dir' => $dir);
       my $result=&Apache::lonnet::ssi_body('/cgi-bin/decompress.pl');
       $r->print($result);
       &Apache::lonnet::delenv('cgi.file');
       &Apache::lonnet::delenv('cgi.dir');
       return 1;
 }  }
   
 =pod  =pod
Line 990  sub phasetwo { Line 1172  sub phasetwo {
           
     &Debug($r, "loncfile - Entering phase 2 for $fn");      &Debug($r, "loncfile - Entering phase 2 for $fn");
           
     # Break down the file into it's component pieces.      # Break down the file into its component pieces.
           
     $fn=~/(.*)\/([^\/]+)\.(\w+)$/;      my $dir; # Directory path
     my $dir=$1; # Directory path      my $main; # Filename.
     my $main=$2; # Filename.      my $suffix; # Extension.
     my $suffix=$3; # Extension.      if ($fn=~m:(.*)/([^/]+):) {
        $dir=$1; # Directory path
     my $dest;                   # On success this is where we'll go.   $main=$2; # Filename.
           }
     &Debug($r,       if($main=~m:\.(\w+)$:){ # Fixes problems with filenames with no extensions
    "loncfile::phase2 dir = $dir main = $main suffix = $suffix");   $suffix=$1; #This is the actually filename extension if it exists
     &Debug($r,   $main=~s/\.\w+$//; #strip the extension
    "    newfilename = ".$ENV{'form.newfilename'});      }
       my $dest;                       #
       my $dest_dir;                   # On success this is where we'll go.
       my $disp_newname;               #
       my $dest_newname;               #
       &Debug($r,"loncfile::phase2 dir = $dir main = $main suffix = $suffix");
       &Debug($r,"    newfilename = ".$env{'form.newfilename'});
   
     my $conspace=$fn;      my $conspace=$fn;
           
     &Debug($r,       &Debug($r,"loncfile::phase2 Full construction space name: $conspace");
    "loncfile::phase2 Full construction space name: $conspace");  
           
     &Debug($r,       &Debug($r,"loncfie::phase2 action is $env{'form.action'}");
    "loncfie::phase2 action is $ENV{'form.action'}");  
           
     # Select the appropriate processing sub.      # Select the appropriate processing sub.
           if ($env{'form.action'} eq 'decompress') { 
     if ($ENV{'form.action'} eq 'rename') { # Rename.   $main .= '.'.$suffix;
  if($ENV{'form.newfilename'}) {   if(!&decompress2($r, $uname, $dir, $main)) {
     if(!&Rename2($r, $uname, $dir, $fn, $ENV{'form.newfilename'})) {      return ;
    }
    $dest = $dir."/.";
       } elsif ($env{'form.action'} eq 'rename' ||
        $env{'form.action'} eq 'move') {
    if($env{'form.newfilename'}) {
       if (!defined($dir)) {
    $fn=~m:^(.*)/:;
    $dir=$1; 
       }
       if(!&Rename2($r, $uname, $dir, $fn, $env{'form.newfilename'})) {
  return;   return;
     }      }
     # Prepend the directory to the new name to form the basis of the      $dest = $dir."/";
     # url of the new resource.      $dest_newname = $env{'form.newfilename'};
     #      $env{'form.newfilename'} =~ /.+(\/.+$)/;
     $dest = $dir."/".$ENV{'form.newfilename'};      $disp_newname = $1;
       $disp_newname =~ s/\///;
  }   }
     } elsif ($ENV{'form.action'} eq 'delete') {       } elsif ($env{'form.action'} eq 'delete') { 
  if(!&Delete2($r, $uname, $ENV{'form.newfilename'})) {   if(!&Delete2($r, $uname, $env{'form.newfilename'})) {
     return ;      return ;
  }   }
  # Once a resource is deleted, we just list the directory that   # Once a resource is deleted, we just list the directory that
  # previously held it.   # previously held it.
  #   #
  $dest = $dir."/."; # Parent dir.   $dest = $dir."/."; # Parent dir.
     } elsif ($ENV{'form.action'} eq 'copy') {       } elsif ($env{'form.action'} eq 'copy') { 
  if($ENV{'form.newfilename'}) {   if($env{'form.newfilename'}) {
     if(!&Copy2($r, $uname, $dir, $fn, $ENV{'form.newfilename'})) {      if(!&Copy2($r, $uname, $dir, $fn, $env{'form.newfilename'})) {
  return   return ;
  }      }
     $dest = $ENV{'form.newfilename'};      $dest = $env{'form.newfilename'};
              } else {
  } else {      $r->print('<p>'.&mt('No New filename specified').'</p></form>');
     $r->print('<p>No New filename specified</form>');  
     return;      return;
  }   }
   
     } elsif ($ENV{'form.action'} eq 'newdir') {      } elsif ($env{'form.action'} eq 'newdir') {
  #          my $newdir= $env{'form.newfilename'};
  # Since the newfilename form field is construction space  
  # relative, ew need to prepend the current path; now in $fn.  
  #  
         my $newdir= $fn.$ENV{'form.newfilename'};  
  if(!&NewDir2($r, $uname, $newdir)) {   if(!&NewDir2($r, $uname, $newdir)) {
     return;      return;
  }   }
  $dest = $newdir."/"   $dest = $newdir."/";
       }
       if ( ($env{'form.action'} eq 'newdir') && ($env{'form.phase'} eq 'two') && ( ($env{'form.callingmode'} eq 'testbank') || ($env{'form.callingmode'} eq 'imsimport') ) ) {
    $r->print('<h3><a href="javascript:self.close()">'.&mt('Done').'</a></h3>');
       } else {
           if ($env{'form.action'} eq 'rename') {
               $r->print('<h3><a href="'.&url($dest).'">'.&mt('Return to Directory').'</a></h3>');
               $r->print('<h3><a href="'.&url($dest_newname).'">'.$disp_newname.'</a></h3>');
           } else {
       $r->print('<h3><a href="'.&url($dest).'">'.&mt('Done').'</a></h3>');
    }
     }      }
     #  
     #  Substitute for priv for the first home in $dir to get our  
     # construction space path.  
     #  
     &Debug($r, "Final url is: $dest");  
     $dest =~ s|/home/|/priv/|;  
     $dest =~ s|/public_html||;  
       
     my $base = &File::Basename::basename($dest);  
     my $dpath= &File::Basename::dirname($dest);  
     if ($base eq '.') { $base=''; }  
     $dest = &HTML::Entities::encode($dpath.'/'.$base);  
   
   
     &Debug($r, "Final url after rewrite: $dest");  
   
     $r->print('<h3><a href="'.$dest.'">Done</a></h3>');  
 }  }
   
 sub handler {  sub handler {
   
   $r=shift;      $r=shift;
   
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['decompress','action','filename','newfilename']);
   
   &Debug($r, "loncfile.pm - handler entered");      &Debug($r, "loncfile.pm - handler entered");
   &Debug($r, " filename: ".$ENV{'form.filename'});      &Debug($r, " filename: ".$env{'form.filename'});
   &Debug($r, " newfilename: ".$ENV{'form.newfilename'});      &Debug($r, " newfilename: ".$env{'form.newfilename'});
   #
   my $fn;  # Determine the root filename
   # This could come in as "filename", which actually is a URL, or
   if ($ENV{'form.filename'}) {  # as "qualifiedfilename", which is indeed a real filename in filesystem
       $fn=$ENV{'form.filename'};  #
       &Debug($r, "loncfile::handler - raw url: $fn");      my $fn;
 #      $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;  
 #      $fn=~s/^http\:\/\/[^\/]+//;      if ($env{'form.filename'}) {
       $fn=URLToPath($fn);   &Debug($r, "test: $env{'form.filename'}");
       &Debug($r, "loncfile::handler - doctored url: $fn");   $fn=&unescape($env{'form.filename'});
    $fn=&URLToPath($fn);
   } else {      }  elsif($ENV{'QUERY_STRING'} && $env{'form.phase'} ne 'two') {  
       &Debug($r, "loncfile::handler - no form.filename");   #Just hijack the script only the first time around to inject the
      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.   #correct information for further processing
          ' unspecified filename for cfile', $r->filename);    $fn=&unescape($env{'form.decompress'});
      return HTTP_NOT_FOUND;   $fn=&URLToPath($fn);
   }   $env{'form.action'}="decompress";
       } elsif ($env{'form.qualifiedfilename'}) {
   unless ($fn) {    $fn=$env{'form.qualifiedfilename'};
       &Debug($r, "loncfile::handler - doctored url is empty");      } else {
      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.   &Debug($r, "loncfile::handler - no form.filename");
          ' trying to cfile non-existing file', $r->filename);    $r->log_reason($env{'user.name'}.' at '.$env{'user.domain'}.
      return HTTP_NOT_FOUND;         ' 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  # ----------------------------------------------------------- Start page output
   my $uname;      my $uname;
   my $udom;      my $udom;
   
   ($uname,$udom)=      ($uname,$udom)=
     &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));   &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
   &Debug($r,       &Debug($r, 
  "loncfile::handler constructaccess uname = $uname domain = $udom");     "loncfile::handler constructaccess uname = $uname domain = $udom");
   unless (($uname) && ($udom)) {      unless (($uname) && ($udom)) {
      $r->log_reason($uname.' at '.$udom.   $r->log_reason($uname.' at '.$udom.
          ' trying to manipulate file '.$ENV{'form.filename'}.         ' trying to manipulate file '.$env{'form.filename'}.
          ' ('.$fn.') - not authorized',          ' ('.$fn.') - not authorized', 
          $r->filename);          $r->filename); 
      return HTTP_NOT_ACCEPTABLE;   return HTTP_NOT_ACCEPTABLE;
   }      }
   
   $fn=~s/\/\~(\w+)//;  
   &Debug($r, "loncfile::handler ~ removed filename: $fn");  
   
   $r->content_type('text/html');  
   $r->send_http_header;  
   
   $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');      &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;
   
   $r->print(      my (%loaditem,$js);
    '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');  
   
       if ( ($env{'form.action'} eq 'newdir') && ($env{'form.phase'} eq 'two') && ( ($env{'form.callingmode'} eq 'testbank') || ($env{'form.callingmode'} eq 'imsimport') ) ) {
    my $newdirname = $env{'form.newfilename'};
    $js = qq|
   <script type="text/javascript">
   function writeDone() {
       var winName = window.opener
       window.focus();
       winName.document.dataForm.newdir.value = "$newdirname"
       setTimeout("self.close()",10000)
   }
     </script>
   |;
    $loaditem{'onload'} = "writeDone()";
       }
       
       $r->print(&Apache::loncommon::start_page('Construction Space File Operation',
        $js,
        {'add_entries' => \%loaditem,}));
       
   $r->print('<h1>Construction Space <tt>'.$fn.'</tt></h1>');      $r->print('<h3>'.&mt('Location').': '.&display($fn).'</h3>');
       
   if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {      if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
           $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.   $r->print('<h3><span class="LC_error">'.&mt('Co-Author').': '.$uname.' at '.$udom.
                '</font></h3>');    '</span></h3>');
   }      }
   
   
   &Debug($r, "loncfile::handler Form action is $ENV{'form.action'} ");      &Debug($r, "loncfile::handler Form action is $env{'form.action'} ");
   if ($ENV{'form.action'} eq 'delete') {      if ($env{'form.action'} eq 'delete') {
               $r->print('<h3>'.&mt('Delete').'</h3>');
       $r->print('<h3>Delete</h3>');      } elsif ($env{'form.action'} eq 'rename') {
   } elsif ($ENV{'form.action'} eq 'rename') {   $r->print('<h3>'.&mt('Rename').'</h3>');
       $r->print('<h3>Rename</h3>');      } elsif ($env{'form.action'} eq 'move') {
   } elsif ($ENV{'form.action'} eq 'newdir') {   $r->print('<h3>'.&mt('Move').'</h3>');
       $r->print('<h3>New Directory</h3>');      } elsif ($env{'form.action'} eq 'newdir') {
   } elsif ($ENV{'form.action'} eq 'copy') {   $r->print('<h3>'.&mt('New Directory').'</h3>');
       $r->print('<h3>Copy</h3>');      } elsif ($env{'form.action'} eq 'decompress') {
   } else {   $r->print('<h3>'.&mt('Decompress').'</h3>');
      $r->print('<p>Unknown Action</body></html>');      } elsif ($env{'form.action'} eq 'copy') {
      return OK;     $r->print('<h3>'.&mt('Copy').'</h3>');
   }      } elsif ($env{'form.action'} eq 'newfile' ||
   if ($ENV{'form.phase'} eq 'two') {       $env{'form.action'} eq 'newhtmlfile' ||
       &Debug($r, "loncfile::handler  entering phase2");       $env{'form.action'} eq 'newproblemfile' ||
       &phasetwo($r,$fn,$uname,$udom);       $env{'form.action'} eq 'newpagefile' ||
   } else {       $env{'form.action'} eq 'newsequencefile' ||
       &Debug($r, "loncfile::handler  entering phase1");       $env{'form.action'} eq 'newrightsfile' ||
       &phaseone($r,$fn,$uname,$udom);       $env{'form.action'} eq 'newstyfile' ||
   }               $env{'form.action'} eq 'newlibraryfile' ||
        $env{'form.action'} eq 'Select Action' ) {
    $r->print('<h3>'.&mt('New Resource').'</h3>');
       } else {
    $r->print('<p>'.&mt('Unknown Action').' '.$env{'form.action'}.' </p>'.
     &Apache::loncommon::end_page());
    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>');      $r->print(&Apache::loncommon::end_page());
   return OK;        return OK;  
 }  }
   
 1;  1;

Removed from v.1.21  
changed lines
  Added in v.1.85


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