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Diff for /loncom/publisher/loncfile.pm between versions 1.16 and 1.127

version 1.16, 2002/09/02 16:39:15 version 1.127, 2023/07/14 23:20:15
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
   
 Apache::loncfile - Construction space file management.  Apache::loncfile - Authoring space file management.
   
 =head1 SYNOPSIS  =head1 SYNOPSIS
    
  Content handler for buttons on the top frame of the construction space    Content handler for buttons on the top frame of the construction space
 directory.  directory.
   
 =head1 INTRODUCTION  =head1 INTRODUCTION
   
   loncfile is invoked when buttons in the top frame of the construction     loncfile is invoked when buttons in the top frame of the construction
 space directory listing are clicked.   All operations procede in two phases.  space directory listing are clicked.   All operations proceed in two phases.
 The first phase describes to the user exactly what will be done.  If the user  The first phase describes to the user exactly what will be done.  If the user
 confirms the operation, the second phase commits the operation and indicates  confirms the operation, the second phase commits the operation and indicates
 completion.  When the user dismisses the output of phase2, they are returned to  completion.  When the user dismisses the output of phase2, they are returned to
Line 88  use strict; Line 66  use strict;
 use Apache::File;  use Apache::File;
 use File::Basename;  use File::Basename;
 use File::Copy;  use File::Copy;
   use HTML::Entities();
 use Apache::Constants qw(:common :http :methods);  use Apache::Constants qw(:common :http :methods);
 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 100  my $r;    # Needs to be global for some Line 81  my $r;    # Needs to be global for some
   
 =item Debug($request, $message)  =item Debug($request, $message)
   
   If debugging is enabled puts out a debuggin message determined by the    If debugging is enabled puts out a debugging message determined by the
   caller.  The debug message goes to the Apache error log file. Debugging    caller.  The debug message goes to the Apache error log file. Debugging
   is enabled by ssetting the module global DEBUG variable to nonzero (TRUE).    is enabled by setting the module global DEBUG variable to nonzero (TRUE).
   
  Parameters:   Parameters:
   
 =over 4  =over 4
    
 =item $request - The curretn request operation.  
   
 =item $message - The message to put inthe log file.  =item $request - The current request operation.
   
   =item $message - The message to put in the log file.
   
 =back  =back
     
  Returns:   Returns:
    nothing.     nothing.
   
 =cut  =cut
   
 sub Debug {  sub Debug {
         # Put out the indicated message but only 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.  sub done {
         my ($destfn) = @_;
   if ($DEBUG) {      return
     $log->debug($message);         '<p>'
   }        .&Apache::lonhtmlcommon::confirm_success(&mt("Done"))
         .'<br /><a href="'.&url($destfn).'">'.&mt("Continue").'</a>'
         .'<script type="text/javascript">'
         .'location.href="'.&url($destfn,'js').'";'
         .'</script>'
         .'</p>';
 }  }
   
 =pod  =pod
Line 139  sub Debug { Line 125  sub Debug {
 =item URLToPath($url)  =item URLToPath($url)
   
   Convert a URL to a file system path.    Convert a URL to a file system path.
     
   In order to manipulate the construction space objects, it is necessary    In order to manipulate the construction space objects, it is necessary
   to access url identified objects a filespace objects.  This function    to access url identified objects a filespace objects.  This function
   translates a construction space URL to a file system path.    translates a construction space URL to a file system path.
Line 148  sub Debug { Line 134  sub Debug {
 =over 4  =over 4
   
 =item  Url    - string [in] The url to convert.  =item  Url    - string [in] The url to convert.
     
 =back  =back
     
  Returns:   Returns:
   
 =over 4  =over 4
   
 =item  The corresponding file system path.   =item  The corresponding file system path.
   
 =back  =back
   
Line 170  Global References Line 156  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{^https?\://[^/]+}{};
   $Url=~ s/^http\:\/\/[^\/]+//;      $Url=~ s{//+}{/}g;
   &Debug($r, "Returning $Url \n");      $Url=~ s{^/}{};
   return $Url;      $Url=$Apache::lonnet::perlvar{'lonDocRoot'}."/$Url";
       &Debug($r, "Returning $Url \n");
       return $Url;
 }  }
   
 =pod  sub url {
       my ($fn,$context) = @_;
 =item PublicationPath($domain, $user, $dir, $file)      my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
       $fn=~ s/^\Q$londocroot\E//;
    Determines the filesystem path corersponding to a published resource      $fn=~s{/\./}{/}g;
    specification.  The returned value is the path.      if ($context eq 'js') {
 Parameters:          &js_escape(\$fn);
       } else {
 =over 4          $fn=&HTML::Entities::encode($fn,'\'<>"&');
       }
 =item   $domain - string [in] Name of the domain within which the resource is       return $fn;
              stored.  
   
 =item   $user   - string [in] Name of the user asking about the resource.  
   
 =item   $dir    - Directory pathr elatvie to the top of the resource space0  
   
 =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  sub display {
       my $fn=shift;
 =item ConstructionPath($domain, $user, $dir, $file)      my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
       $fn=~s/^\Q$londocroot\E//;
    Determines the filesystem path corersponding to a construction space      $fn=~s{/\./}{/}g;
    resource specification.  The returned value is the path      return '<span class="LC_filename">'.$fn.'</span>';
 Parameters:  
   
 =over 4  
   
 =item   $user   - string [in] Name of the user asking about the resource.  
   
 =item   $dir    - Directory path relatvie 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;  
   
 }  }
 =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  # see if the file is
   # a) published (return 0 if not)
 =cut  # b) if, so obsolete (return 0 if not)
   
 sub ConstructionPathFromRelative {  sub obsolete_unpub {
       my ($user,$domain,$construct)=@_;
   my ($user, $relname) = @_;      my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
   return '/home/'.$user.'/public_html'.$relname;      my $published=$construct;
       $published=~s{^\Q$londocroot/priv/\E}{$londocroot/res/};
       if (-e $published) {
    if (&Apache::lonnet::metadata($published,'obsolete')) {
       return 1;
    }
    return 0;
       } else {
    return 1;
       }
   }
   
   # 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.
   # ignores a .DS_Store file put there when viewing directory via webDAV on MacOS.
   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|DS_Store)$/,@files);
               if (scalar(@files) - scalar(@orphans) > 0) {
                   return 0;
               } else {
                   if (($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 publisehd or exists     Determine if a resource filename has been published or exists
    in the construction space.     in the construction space.
   
  Parameters:   Parameters:
   
 =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 310  Returns: Line 263  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.
     
 =back  =back
   
 =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 $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
       my $published=$construct;
   my $published = &PublicationPath($domain, $user, $dir, $file);      $published=~s{^\Q$londocroot/priv/\E}{$londocroot/res/};
   my $construct = &ConstructionPath($user, $dir, $file);      my ($type,$result);
       if ( -d $construct ) {
   # If the resource exists in either space indicate this fact.   return ('error','<p class="LC_error">'.&mt('Error: destination for operation is an existing directory.').'</p>');
   # Note that the check for existence in resource space is stricter.  
       }
   
   my $result;          if ( -e $published) {
   if ( -e $published) {   if ( -e $construct ) {
     $result.='<p><font color=red>Warning: target file exists, and has been published!</font></p>';      $type = 'warning';
   }      $result.='<p class="LC_warning">'.&mt('Warning: target file exists, and has been published!').'</p>';
   elsif ( -e $construct) {   } else {
     $result.='<p><font color=red>Warning: target file exists!</font></p>';      my $published_type = (-d $published) ? 'directory' : 'file';
    }  
   
   return $result;      if ($published_type eq $creating) {
    $type = 'warning';
    $result.='<p class="LC_warning">'.&mt("Warning: a published $published_type of this name exists.").'</p>';
       } else {
    $type = 'error';
    $result.='<p class="LC_error">'.&mt("Error: a published $published_type of this name exists.").'</p>';
       }
    }
       } elsif ( -e $construct) {
    $type = 'warning';
    $result.='<p class="LC_warning">'.&mt('Warning: target file exists!').'</p>';
       }
   
       return ($type,$result);
 }  }
   
 =pod  =pod
   
 =item checksuffix($old, $new)  =item checksuffix($old, $new)
           
   Determine if a resource filename suffix (the stuff after the .) would change    Determine if a resource filename suffix (the stuff after the .) would change
 as a result of this operation.  as a result of this operation.
   
Line 362  as a result of this operation. Line 331  as a result of this operation.
   
 =over 4  =over 4
   
 =item    Empty string if everythikng worked.  =item    Empty string if everything worked.
   
 =item    String containing an error message if there was a problem.  =item    String containing an error message if there was a problem.
   
Line 377  sub checksuffix { Line 346  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 class="LC_warning">'.&mt('Warning: change of MIME type!').'></p>';
     }      }
     return $result;      return $result;
 }  }
   
   sub cleanDest {
       my ($dest,$subdir,$fn,$uname,$udom)=@_;
       #remove bad characters
       my $foundbad=0;
       my $warnings;
       my $error='';
       if ($subdir && $dest =~/\./) {
    $foundbad=1;
    $dest=~s/\.//g;
       }
       $dest =~ s/(\s+$|^\s+)//g;
       if  ($dest=~/[\#\?&%\":]/) {
    $foundbad=1;
    $dest=~s/[\#\?&%\":]//g;
       }
       if ($dest=~m|/|) {
    my ($newpath)=($dest=~m|(.*)/|);
    ($newpath,$error)=&relativeDest($fn,$newpath,$uname,$udom);
    if (! -d "$newpath") {
       $warnings = '<p class="LC_warning">'
                          .&mt("You have requested to create file in directory [_1] which doesn't exist. The requested directory path has been removed from the requested filename."
                              ,&display($newpath))
                          .'</p>';
       $dest=~s|.*/||;
    }
       }
       if ($dest =~ /\.(\d+)\.(\w+)$/) {
    $warnings .= '<p class="LC_warning">'
                       .&mt('Bad filename [_1]',&display($dest))
                       .'<br />'
                       .&mt('[_1](name).(number).(extension)[_2] not allowed.','<tt>','</tt>')
                       .'<br />'
                       .&mt('Removing the [_1].number.[_2] from requested filename.','<tt>','</tt>')
                       .'</p>';
    $dest =~ s/\.(\d+)(\.\w+)$/$2/;
       }
       if ($foundbad) {
           $warnings .= '<p class="LC_warning">'
                       .&mt('Invalid characters in requested name have been removed.')
                       .'</p>';
       }
       return ($dest,$error,$warnings);
   }
   
   sub relativeDest {
       my ($fn,$newfilename,$uname,$udom)=@_;
       my $error = '';
       if ($newfilename=~/^\//) {
   # absolute, simply add path
           my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
    $newfilename="$londocroot/res/$udom/$uname/";
       } else {
    my $dir=$fn;
    $dir=~s{/[^/]+$}{};
    $newfilename=$dir.'/'.$newfilename;
       }
       $newfilename=~s{//+}{/}g; # remove duplicate /
       while ($newfilename=~m{/\.\./}) {
    $newfilename=~ s{/[^/]+/\.\./}{/}g; #remove dir/..
       }
       my ($authorname,$authordom)=&Apache::lonnet::constructaccess($newfilename);
       unless (($authorname) && ($authordom)) {
          my $otherdir = &display($newfilename);
          $error = &mt('Access denied to [_1]',$otherdir);
       }
       return ($newfilename,$error);
   }
   
 =pod  =pod
   
 =item CloseForm1($request, $user, $file)  =item CloseForm1($request, $user, $file)
Line 402  Parameters: Line 440  Parameters:
 =cut  =cut
   
 sub CloseForm1 {  sub CloseForm1 {
    my ($request,  $cancelurl) = @_;      my ($request,  $fn) = @_;
       $request->print('<input type="submit" value="'.&mt('Continue').'" /></form>');
       $request->print(' <form action="'.&url($fn).'" method="post">'.
    &Debug($request, "Cancel url is: ".$cancelurl);                      '<input type="submit" value="'.&mt('Cancel').'" /></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 429  Parameters: Line 463  Parameters:
 =item   $user       - string [in] - Name of the user that is initiating the  =item   $user       - string [in] - Name of the user that is initiating the
                  request.                   request.
   
 =item   $directory  - string [in] - Directory in which the operation is   =item   $directory  - string [in] - Directory in which the operation is
                  being done relative to the top level construction space                   being done relative to the top level construction space
                  directory.                   directory.
   
Line 438  Parameters: Line 472  Parameters:
 =cut  =cut
   
 sub CloseForm2 {  sub CloseForm2 {
   my ($request, $user, $directory) = @_;      my ($request, $user, $fn) = @_;
       $request->print(&done($fn));
   $request->print('<h3><a=href="/priv/'.$user.$directory.'/">Done </a> </h3>');  
 }  }
   
 =pod  =pod
   
 =item Rename1($request, $filename, $user, $domain, $dir)  =item Rename1($request, $filename, $user, $domain, $dir)
    
    Perform phase 1 processing of the file rename operation.     Perform phase 1 processing of the file rename operation.
   
 Parameters:  Parameters:
   
 =over 4  =over 4
   
 =item  $request   - Apache Request Object [in] The request object for the   =item  $request   - Apache Request Object [in] The request object for the
 current request.  current request.
   
 =item  $filename  - The filename relative to construction space.  =item  $filename  - The filename relative to construction space.
Line 476  new filename relative to the current dir Line 509  new filename relative to the current dir
   
 =back  =back
   
 =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
     $request->print(&exists($user, $domain, $dir, $newfilename));   if ($fn =~ m|/[^\.]*\.([^\.]+)$|) {
     $request->print('<input type=hidden name=newfilename value="'.      $newfilename.='.'.$1;
     $newfilename.   }
     '"><p>Rename <tt>'.$filename.'</tt> to <tt>'.      }
     $dir.'/'.$newfilename.'</tt>?</p>');      $request->print(&checksuffix($fn, $newfilename));
     &CloseForm1($request, $cancelurl);      #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') {
       $request->print('<p><span class="LC_error">'.
       &mt('Cannot change MIME type of a directory.').
       '</span>'.
       '<br /><a href="'.&url($fn).'">'.&mt('Cancel').'</a></p>');
       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);
       if ($type eq 'error') {
    $request->print('<br /><a href="'.&url($fn).'">'.&mt('Cancel').'</a>');
    return;
       }
       unless (&obsolete_unpub($user,$domain,$fn)) {
                   $request->print('<p><span class="LC_error">'
                                  .&mt('Cannot rename or move non-obsolete published file.')
                                  .'</span><br />'
                                  .'<a href="'.&url($fn).'">'.&mt('Cancel').'</a></p>'
                   );
    return;
       }
       my $action;
       if ($style eq 'rename') {
    $action='Rename';
       } else {
    $action='Move';
       }
               $request->print('<input type="hidden" name="newfilename" value="'
                              .$newfilename.'" />'
                              .'<p>'
                              .&mt($action.' [_1] to [_2]?',
                                   &display($fn),
                                   &display($newfilename))
                              .'</p>'
           );
       &CloseForm1($request, $fn);
  } else {   } else {
     $request->print('<p>No new filename specified</p></form>');      $request->print('<p class="LC_error">'.&mt('No new filename specified.').'</p></form>');
     return;      return;
  }   }
     } else {      } else {
  $request->print('<p> No such File </p> </form>');          $request->print('<p class="LC_error">'
                          .&mt('No such file: [_1]',
                               &display($fn))
                          .'</p></form>'
           );
  return;   return;
     }      }
       
 }  }
   
 =pod  =pod
   
 =item Delete1  =item Delete1
Line 521  Parameters: Line 604  Parameters:
 =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('<p>'
     $request->print('<input type=hidden name=newfilename value="'.                                 .'<span class="LC_error">'
     $filename.'">');                                 .&mt('Only empty directories may be deleted.')
     $request->print('<p> Delete <tt>'.$filename.'</tt>?</p>');                                 .'</span><br />'
     &CloseForm1($request, $cancelurl);                                 .&mt('You must delete the contents of the directory first.')
   } else {                                 .'</p>'
     $request->print('<p> No Such file: <tt>'.$filename.'</tt></p></form>');                                 .'<p><a href="'.&url($fn).'">'.&mt('Cancel').'</a></p>'
   }                  );
                   return;
               }
           } else {
       unless (&obsolete_unpub($user,$domain,$fn)) {
                   $request->print('<p><span class="LC_error">'
                                  .&mt('Cannot delete non-obsolete published file.')
                                  .'</span><br />'
                                  .'<a href="'.&url($fn).'">'.&mt('Cancel').'</a></p>'
                   );
           return;
       }
           }
           $request->print('<p>'
                          .&mt('Delete [_1]?',
                               &display($fn))
                          .'</p>'
           );
    &CloseForm1($request, $fn);
       } else {
           $request->print('<p class="LC_error">'
                          .&mt('No such file: [_1]',
                               &display($fn))
                          .'</p></form>'
           );
       }
 }  }
   
 =pod  =pod
Line 554  sub Delete1 { Line 662  sub Delete1 {
 =item Copy1($request, $user, $domain, $filename, $newfilename)  =item Copy1($request, $user, $domain, $filename, $newfilename)
   
    Performs phase 1 processing of the construction space copy command.     Performs phase 1 processing of the construction space copy command.
    Ensure that the source fil eexists.  Ensure that a destination exists,     Ensure that the source file exists.  Ensure that a destination exists,
    also warn if the detination already exists.     also warn if the destination already exists.
   
 Parameters:  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 the user initiating the request.  =item   $user      - string [in]  Name of the user initiating the request.
   
 =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 579  Parameters: Line 685  Parameters:
 =cut  =cut
   
 sub Copy1 {  sub Copy1 {
   my ($request, $user, $domain, $dir, $filename, $newfilename) = @_;      my ($request, $user, $domain, $fn, $newfilename) = @_;
   
   my $cancelurl = "/priv/".$filename;      if(-e $fn) {
   $cancelurl    =~ s/\/home\///;   # is dest a dir
   $cancelurl    =~ s/\/public_html//;   if (-d $newfilename) {
           if ($fn =~ m|/([^/]*)$|) { $newfilename .= '/'.$1; }
    }
    if ($newfilename =~ m|/[^\.]+$|) {
   if(-e $filename) {      #no extension add on original extension
     $request->print(&checksuffix($filename,$newfilename));      if ($fn =~ m|/[^\.]*\.([^\.]+)$|) { $newfilename.='.'.$1; }
     $request->print(&exists($user, $domain, $dir, $newfilename));   }
     $request->print('<input type = hidden name = newfilename value = "'.   $newfilename=~s://+:/:g; # remove duplicate /
     $dir.'/'.$newfilename.   while ($newfilename=~m:/\.\./:) {
     '"><p>Copy <tt>'.$filename.'</tt> to'.      $newfilename=~ s:/[^/]+/\.\./:/:g; #remove dir/..
     '<tt>'.$dir.'/'.$newfilename.'</tt>/?</p>');   }
     &CloseForm1($request, $cancelurl);   $request->print(&checksuffix($fn,$newfilename));
   } else {   my ($type,$return)=&exists($user, $domain, $newfilename);
     $request->print('<p>No such file <tt>'.$filename.'</p></form>');   $request->print($return);
   }   if ($type eq 'error') {
       $request->print('<br /><a href="'.&url($fn).'">'.&mt('Cancel').'</a></form>');
       return;
    }
   # Check if there is enough space.
           my @fileinfo = stat($fn);
           my ($dir,$fname) = ($fn =~ m{^(.+/)([^/]+)$});
           my $filesize = $fileinfo[7];
           $filesize = int($filesize/1000); #expressed in kb
           my $output = &Apache::loncommon::excess_filesize_warning($user,$domain,'author',
                                                                    $fname,$filesize,'copy');
           if ($output) {
               $request->print($output.'<br /><a href="'.&url($dir).'">'.&mt('Cancel').'</a></form>');
               return;
           }
       $request->print(
           '<input type="hidden" name="newfilename"'
          .' value="'.$newfilename.'" />'
          .'<p>'
          .&mt('Copy [_1] to [_2]?',
               &display($fn),
               &display($newfilename))
          .'</p>'
           );
    &CloseForm1($request, $fn);
       } else {
           $request->print('<p class="LC_error">'
                          .&mt('No such file: [_1]',
                               &display($fn))
                          .'</p></form>'
           );
       }
 }  }
   
 =pod  =pod
   
 =item NewDir1  =item NewDir1
    
   Does all phase 1 processing of directory creation:    Does all phase 1 processing of directory creation:
   Ensures that the user provides a new directory name,    Ensures that the user provides a new directory name,
   and that the directory does not already exist.    and that the directory does not already exist.
Line 613  Parameters: Line 750  Parameters:
 =over 4  =over 4
   
 =item   $request  - Apache Request Object [in] - Server request object for the  =item   $request  - Apache Request Object [in] - Server request object for the
                current url..                 current url.
   
 =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 spacee.  =item $domain - Domain user is in
   
 =item   $newdir   - Name of the directory to be created; path relative to the   =item   $fn     - source file.
   
   =item   $newdir   - Name of the directory to be created; path relative to the
                top level of construction space.                 top level of construction space.
 =back  =back
   
Line 637  causes the newdir operation to transitio Line 776  causes the newdir operation to transitio
 =cut  =cut
   
   
 sub NewDir1  sub NewDir1 {
 {      my ($request, $username, $domain, $fn, $newfilename, $mode) = @_;
   my ($request, $username, $path, $newdir) = @_;  
       my ($type, $result)=&exists($username,$domain,$newfilename,'directory');
   my $fullpath = '/home/'.$username.'/public_html/'.      $request->print($result);
     $path.'/'.$newdir;      if ($type eq 'error') {
    $request->print('</form>');
   my $cancelurl = '/priv/'.$username.'/'.$path;      } else {
    if (($mode eq 'testbank') || ($mode eq 'imsimport')) {
   &Debug($request, "Full path is : ".$fullpath);      $request->print('<input type="hidden" name="callingmode" value="'.$mode.'" />'."\n".
                               '<input type="hidden" name="inhibitmenu" value="yes" />');
   if(-e $fullpath) {   }
     $request->print('<p>Directory exists.</p></form>');          $request->print('<input type="hidden" name="newfilename" value="'
   }                         .$newfilename.'" />'
   else {                         .'<p>'
     $request->print('<input type=hidden name=newfilename value="'.                         .&mt('Make new directory [_1]?',
     $newdir.'"><p>Make new directory <tt>'.                              &display($newfilename))
     $path."/".$newdir.'</tt>?</p>');                         .'</p>'
     &CloseForm1($request, $cancelurl);          );
    &CloseForm1($request, $fn);
       }
   }
   
   
   sub Decompress1 {
       my ($request, $user, $domain, $fn) = @_;
       if( -e $fn) {
       $request->print('<input type="hidden" name="newfilename" value="'.$fn.'" />');
       $request->print('<p>'
                      .&mt('Decompress [_1]?',
                           &display($fn))
                      .'</p>'
       );
       &CloseForm1($request, $fn);
       } else {
           $request->print('<p class="LC_error">'
                          .&mt('No such file: [_1]',
                               &display($fn))
                          .'</p></form>'
           );
       }
   }
   
   =pod
   
   =item NewFile1
   
     Does all phase 1 processing of file creation:
     Ensures that the user provides a new filename, adds proper extension
     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:
   
   =over 4
   
   =item   $request  - Apache Request Object [in] - Server request object for the
                  current url.
   
   =item   $username - Name of the user that is requesting the directory creation.
   
   =item   $domain   - Name of the domain of the user
   
   =item   $fn      - Source filename
   
   =item   $newfilename
                     - Name of the file to be created; no path information
   
   =item   $warnings - Information about changes to filename made by cleanDest().
   
   =back
   
   Side Effects:
   
   =over 4
   
   =item 2 new forms are displayed.  Clicking on the confirmation button
   causes the browser to attempt to load the specfied URL, allowing the
   proper handler to take care of file creation. There is also a Cancel
   button which returns you to the directory listing you came from
   
   =back
   
   =cut
   
   sub NewFile1 {
       my ($request, $user, $domain, $fn, $newfilename, $warnings) = @_;
       return if (&filename_check($newfilename,$warnings) ne 'ok');
   
       if ($env{'form.action'} =~ /new(.+)file/) {
    my $extension=$1;
    if ($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);
       if ($type eq 'error') {
           $request->print($warnings.$result);
    $request->print('</form>');
       } else {
           my $extension;
   
           if ($newfilename =~ m{[^/.]+\.([^/.]+)$}) {
               $extension = $1;
           }
   
           my @okexts = qw(xml html xhtml htm xhtm problem page sequence rights sty task library js css txt);
           if (($extension eq '') || (!grep(/^\Q$extension\E/,@okexts))) {
               my $validexts = '.'.join(', .',@okexts);
               $request->print($warnings.$result);
               $request->print('<p class="LC_warning">'.
                   &mt('Invalid filename: ').&display($newfilename).'</p><p>'.
                   &mt('The name of the new file needs to end with an appropriate file extension to indicate the type of file to create.').'<br />'.
                   &mt('The following are valid extensions: [_1].',$validexts).
                   '</p></form><p>'.
    '<form name="fileaction" action="/adm/cfile" method="post">'.
                   '<input type="hidden" name="qualifiedfilename" value="'.$fn.'" />'.
    '<input type="hidden" name="action" value="newfile" />'.
           '<span class ="LC_nobreak">'.&mt('Enter a filename: ').'<input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == '."'Type Name Here') this.value=''".'" />&nbsp;<input type="submit" value="Go" />'.
                   '</span></form></p>'.
                   '<p><form action="'.&url($fn).
                   '" method="post"><p><input type="submit" value="'.&mt('Cancel').'" /></form></p>');
           } elsif (($type ne 'warning') && ($warnings eq '') && ($result eq '')) {
               my $query = "";
               $query .= "?mode=" . $env{'form.mode'} unless (!exists($env{'form.mode'}) || !length($env{'form.mode'}));
               $request->print('
                   <script type="text/javascript">
                       window.location = "'.&url($newfilename,'js'). $query .'";
                   </script>');
           } else {
               $request->print($warnings.$result);
               $request->print('<p>'.&mt('Make new file').' '.&display($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>');
           }
       }
       return;
   }
   
   }  sub filename_check {
       my ($newfilename) = @_;
       ##Informs User (name).(number).(extension) not allowed
       if($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;
       }
       return 'ok';
 }  }
   
 =pod  =pod
Line 668  sub NewDir1 Line 949  sub NewDir1
 are returned if the request cannot be performed (e.g. attempts to manipulate  are returned if the request cannot be performed (e.g. attempts to manipulate
 files that are nonexistent).  If the operation can be performed, what is  files that are nonexistent).  If the operation can be performed, what is
 about to be done will be presented to the user for confirmation.  If the  about to be done will be presented to the user for confirmation.  If the
 user confirms the request, then phase two is executed, the action   user confirms the request, then phase two is executed, the action
 performed and reported to the user.  performed and reported to the user.
   
  Parameters:   Parameters:
Line 677  performed and reported to the user. Line 958  performed and reported to the user.
   
 =item $r  - request object [in] - The Apache request being executed.  =item $r  - request object [in] - The Apache request being executed.
   
 =item $fn = string [in] - The filename being manipulated by the   =item $fn = string [in] - The filename being manipulated by the
                              request.                               request.
   
 =item $uname - string [in] Name of user logged in and doing this action.  =item $uname - string [in] Name of user logged in and doing this action.
   
 =item $udom  - string [in] Domain nmae under which the user logged in.   =item $udom  - string [in] Domain name under which the user logged in.
   
 =back  =back
   
 =cut  =cut
   
 sub phaseone {  sub phaseone {
   my ($r,$fn,$uname,$udom)=@_;      my ($r,$fn,$uname,$udom)=@_;
     
   $fn=~m:(.*)/([^/]+)\.(\w+)$:;      my $doingdir=0;
   my $dir=$1;      if ($env{'form.action'} eq 'newdir') { $doingdir=1; }
   my $main=$2;      my ($newfilename,$error,$warnings) =
   my $suffix=$3;          &cleanDest($env{'form.newfilename'},$doingdir,$fn,$uname,$udom);
         unless ($error) {
   #  my $conspace=ConstructionPathFromRelative($uname, $fn);          ($newfilename,$error)=&relativeDest($fn,$newfilename,$uname,$udom);
         }
         if ($error) {
   $r->print('<form action=/adm/cfile method=post>'.          my $dirlist;
     '<input type=hidden name=filename value="/~'.$uname.$fn.'">'.          if ($fn=~m{^(.*/)[^/]+$}) {
     '<input type=hidden name=phase value=two>'.              $dirlist=$1;
     '<input type=hidden name=action value='.$ENV{'form.action'}.'>');          } else {
                 $dirlist=$fn;
   if ($ENV{'form.action'} eq 'rename') {          }
               if ($warnings) {
     &Rename1($r, $fn, $uname, $udom, $dir);              $r->print($warnings);
               }
   } elsif ($ENV{'form.action'} eq 'delete') {           $r->print('<div class="LC_error">'.$error.'</div>'.
                         '<p><a href="'.&url($dirlist).'">'.&mt('Return to Directory').
     &Delete1($r, $uname, $fn);                    '</a></p>');
               return;
   } elsif ($ENV{'form.action'} eq 'copy') {       }
     if($ENV{'form.newfilename'}) {      $r->print('<form action="/adm/cfile" method="post">'.
       my $newfilename = $ENV{'form.newfilename'};        '<input type="hidden" name="qualifiedfilename" value="'.$fn.'" />'.
       &Copy1($r, $uname, $udom, $dir, $fn, $newfilename);        '<input type="hidden" name="phase" value="two" />'.
     }else {        '<input type="hidden" name="action" value="'.$env{'form.action'}.'" />');
       $r->print('<p>No new filename specified.</p></form>');  
     }      if ($env{'form.action'} eq 'newfile' ||
   } elsif ($ENV{'form.action'} eq 'newdir') {          $env{'form.action'} eq 'newhtmlfile' ||
     &NewDir1($r, $uname, $dir, $ENV{'form.newfilename'});          $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 'newtaskfile' ||
           $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, $warnings);
           } else {
               if ($warnings) {
                   $r->print($warnings);
               }
               $r->print('<p class="LC_error">'
                        .&mt('No new filename specified.')
                        .'</p></form>'
               );
           }
       } else {
           if ($warnings) {
               $r->print($warnings);
           }
           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 {
                   $r->print('<p class="LC_error">'
                            .&mt('No new filename specified.')
                            .'</p></form>'
                   );
               }
           } elsif ($env{'form.action'} eq 'newdir') {
       my $mode = '';
       if (exists($env{'form.callingmode'}) ) {
           $mode = $env{'form.callingmode'};
       }
       &NewDir1($r, $uname, $udom, $fn, $newfilename, $mode);
           }
       }
 }  }
   
 =pod  =pod
   
 =item Rename2($request, $user, $directory, $oldfile, $newfile)  =item Rename2($request, $user, $directory, $oldfile, $newfile)
   
 Performs phase 2 procesing of a rename reequest.   This is where the  Performs phase 2 processing of a rename reequest.   This is where the
 actual rename is performed.  actual rename is performed.
   
 Parameters  Parameters
Line 761  Returns: Line 1088  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 {
           $request->print(
               '<p class="LC_error">'
              .&mt('No such file: [_1]',
                   &display($oldfile))
              .'</p></form>'
           );
    return 0;
       }
       return 1;
 }  }
   
 =pod  =pod
   
 =item Delete2($request, $user, $filename)  =item Delete2($request, $user, $filename)
   
   Performs phase two of a delete.  The user has confirmed that they want     Performs phase two of a delete.  The user has confirmed that they want
 to delete the selected file.   The file is deleted and the results of the  to delete the selected file.   The file is deleted and the results of the
 delete attempt are indicated.  delete attempt are indicated.
   
Line 799  Parameters: Line 1163  Parameters:
 =item $user    - string [in]  The name of the user initiating the delete  =item $user    - string [in]  The name of the user initiating the delete
                  request.                   request.
   
 =item $filename - string [in] The name of the file, relative to construction space,  =item $filename - string [in] The name of the file, relative to construction
                   to delete.                    space, to delete.
   
 =back  =back
   
Line 811  Returns: Line 1175  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 class="LC_error">'.&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 class="LC_error">'.&mt('No such file').'</p></form>');
       return 0;
    }
     }      }
   } else {      return 1;
     $request->print('<p> No such file. </form');  
     return 0;  
   }  
   return 1;  
 }  }
   
 =pod  =pod
   
 =item Copy2($request, $username, $dir, $oldfile, $newfile)  =item Copy2($request, $username, $dir, $oldfile, $newfile)
   
    Performs phase 2 of a copy.  The file is copied and the status      Performs phase 2 of a copy.  The file is copied and the status
    of that copy is reported back to the user.     of that copy is reported back to the user.
   
 =over 4  =over 4
Line 849  sub Delete2 { Line 1229  sub Delete2 {
   
 =back  =back
   
 Returns 0 failure, and 0 successs.  Returns 0 failure, and 1 successs.
   
 =cut  =cut
   
Line 857  sub Copy2 { Line 1237  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 class="LC_error">'.&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 896  Returns 0 - failure 1 - success. Line 1286  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 919  sub NewDir2 { Line 1320  sub NewDir2 {
    is performed and the result is shown.     is performed and the result is shown.
   
   The strategy is to break out the processing into specific action processors    The strategy is to break out the processing into specific action processors
   named action2 where action is the requested action and the 2 denotes     named action2 where action is the requested action and the 2 denotes
   phase 2 processing.    phase 2 processing.
   
 Parameters:  Parameters:
Line 943  Parameters: Line 1344  Parameters:
   
 sub phasetwo {  sub phasetwo {
     my ($r,$fn,$uname,$udom)=@_;      my ($r,$fn,$uname,$udom)=@_;
       
     &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,"loncfie::phase2 action is $env{'form.action'}");
     &Debug($r,   
    "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 class="LC_error">'.&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') ) ) {
           $r->print(
               '<p>'
              .&Apache::lonhtmlcommon::confirm_success(&mt('Done'))
              .'<br /><a href="javascript:self.close()">'.&mt('Continue').'</a>'
              .'</p>'
           );
       } else {
           if ($env{'form.action'} eq 'rename') {
               $r->print(
                    '<p>'.&Apache::lonhtmlcommon::confirm_success(&mt('Done')).'</p>'
                   .&Apache::lonhtmlcommon::actionbox(
                        ['<a href="'.&url($dest).'">'.&mt('Return to Directory').'</a>',
                         '<a href="'.&url($dest_newname).'">'.$disp_newname.'</a>']));
           } else {
       $r->print(&done($dest));
    }
     }      }
     #  
     #  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 $base = &Apache::lonnet::escape(&File::Basename::basename($dest));  
     my $dpath= &File::Basename::dirname($dest);  
     $dest = $dpath.'/'.$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','mode']);
   
       &Debug($r, "loncfile.pm - handler entered");
       &Debug($r, " filename: ".$env{'form.filename'});
       &Debug($r, " newfilename: ".$env{'form.newfilename'});
   #
   # Determine the root filename
   # This could come in as "filename", which actually is a URL, or
   # as "qualifiedfilename", which is indeed a real filename in filesystem
   #
       my $fn;
   
   &Debug($r, "loncfile.pm - handler entered");      if ($env{'form.filename'}) {
   &Debug($r, " filename: ".$ENV{'form.filename'});   &Debug($r, "test: $env{'form.filename'}");
   &Debug($r, " newfilename: ".$ENV{'form.newfilename'});   $fn=&unescape($env{'form.filename'});
    $fn=&URLToPath($fn);
   my $fn;      }  elsif($ENV{'QUERY_STRING'} && $env{'form.phase'} ne 'two') {
    #Just hijack the script only the first time around to inject the
   if ($ENV{'form.filename'}) {   #correct information for further processing
       $fn=$ENV{'form.filename'};   $fn=&unescape($env{'form.decompress'});
       &Debug($r, "loncfile::handler - raw url: $fn");   $fn=&URLToPath($fn);
 #      $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;   $env{'form.action'}="decompress";
 #      $fn=~s/^http\:\/\/[^\/]+//;      } elsif ($env{'form.qualifiedfilename'}) {
       $fn=URLToPath($fn);   $fn=$env{'form.qualifiedfilename'};
       &Debug($r, "loncfile::handler - doctored url: $fn");      } else {
    &Debug($r, "loncfile::handler - no form.filename");
   } else {   $r->log_reason($env{'user.name'}.' at '.$env{'user.domain'}.
       &Debug($r, "loncfile::handler - no form.filename");         ' unspecified filename for cfile', $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($r, "loncfile::handler - doctored url is empty");
   unless ($fn) {    $r->log_reason($env{'user.name'}.' at '.$env{'user.domain'}.
       &Debug($r, "loncfile::handler - doctored url is empty");         ' trying to cfile non-existing file', $r->filename);
      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.   return HTTP_NOT_FOUND;
          ' trying to cfile non-existing file', $r->filename);       }
      return HTTP_NOT_FOUND;  
   }   
   
 # ----------------------------------------------------------- Start page output  # ----------------------------------------------------------- Start page output
   my $uname;  
   my $udom;  
   
   ($uname,$udom)=      my ($uname,$udom) = &Apache::lonnet::constructaccess($fn);
     &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));      &Debug($r,
   &Debug($r,      "loncfile::handler constructaccess uname = $uname domain = $udom");
  "loncfile::handler constructaccess uname = $uname domain = $udom");      if (($uname eq '') || ($udom eq '')) {
   unless (($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;      }
   }  
   
   $fn=~s/\/\~(\w+)//;      &Apache::loncommon::content_type($r,'text/html');
   &Debug($r, "loncfile::handler ~ removed filename: $fn");      $r->send_http_header;
   
   $r->content_type('text/html');      my (%loaditem,$js);
   $r->send_http_header;  
       if ( ($env{'form.action'} eq 'newdir') && ($env{'form.phase'} eq 'two') && ( ($env{'form.callingmode'} eq 'testbank') || ($env{'form.callingmode'} eq 'imsimport') ) ) {
   $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');   my $newdirname = $env{'form.newfilename'};
    $js = qq|
   $r->print(  <script type="text/javascript">
    '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');  function writeDone() {
       window.focus();
         opener.document.info.newdir.value = "$newdirname";
   $r->print('<h1>Construction Space <tt>'.$fn.'</tt></h1>');      setTimeout("self.close()",10000);
     }
   if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {    </script>
           $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.  |;
                '</font></h3>');   $loaditem{'onload'} = "writeDone()";
   }      }
   
       my $londocroot = $r->dir_config('lonDocRoot');
   &Debug($r, "loncfile::handler Form action is $ENV{'form.action'} ");      my $trailfile = $fn;
   if ($ENV{'form.action'} eq 'delete') {      $trailfile =~ s{^/(priv/)}{$londocroot/$1};
         
       $r->print('<h3>Delete</h3>');      # Breadcrumbs
   } elsif ($ENV{'form.action'} eq 'rename') {      my $crsauthor;
       $r->print('<h3>Rename</h3>');      my $text = 'Authoring Space';
   } elsif ($ENV{'form.action'} eq 'newdir') {      my $title = 'Authoring Space File Operation',
       $r->print('<h3>New Directory</h3>');      my $href = &Apache::loncommon::authorspace(&url($fn));
   } elsif ($ENV{'form.action'} eq 'copy') {      if ($env{'request.course.id'}) {
       $r->print('<h3>Copy</h3>');          my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
   } else {          my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
      $r->print('<p>Unknown Action</body></html>');          if ($href eq "/priv/$cdom/$cnum/") {
      return OK;                $text = 'Course Authoring Space';
   }              $title = 'Course Authoring Space File Operation',
   if ($ENV{'form.phase'} eq 'two') {              $crsauthor = 1;
       &Debug($r, "loncfile::handler  entering phase2");          }
       &phasetwo($r,$fn,$uname,$udom);      }
   } else {      &Apache::lonhtmlcommon::clear_breadcrumbs();
       &Debug($r, "loncfile::handler  entering phase1");      &Apache::lonhtmlcommon::add_breadcrumb({
       &phaseone($r,$fn,$uname,$udom);          'text'  => $text,
   }          'href'  => $href,
       });
       &Apache::lonhtmlcommon::add_breadcrumb({
           'text'  => 'File Operation',
           'title' => $title,
           'href'  => '',
       });
   
       $r->print(&Apache::loncommon::start_page($title,
        $js,
        {'add_entries' => \%loaditem,})
                .&Apache::lonhtmlcommon::breadcrumbs()
                .&Apache::loncommon::head_subbox(
                     &Apache::loncommon::CSTR_pageheader($trailfile))
       );
   
       $r->print('<p>'.&mt('Location').': '.&display($fn).'</p>');
   
       if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
           unless ($crsauthor) {
               $r->print('<p class="LC_info">'
                        .&mt('Co-Author [_1]',$uname.':'.$udom)
                        .'</p>'
               );
           }
       }
   
   
       &Debug($r, "loncfile::handler Form action is $env{'form.action'} ");
       my %action = &Apache::lonlocal::texthash(
           'delete'          => 'Delete',
           'rename'          => 'Rename',
           'move'            => 'Move',
           'newdir'          => 'New Directory',
           'decompress'      => 'Decompress',
           'copy'            => 'Copy',
           'newfile'         => 'New Resource',
    'newhtmlfile'     => 'New Resource',
    'newproblemfile'  => 'New Resource',
    'newpagefile'     => 'New Resource',
    'newsequencefile' => 'New Resource',
    'newrightsfile'   => 'New Resource',
    'newstyfile'      => 'New Resource',
    'newtaskfile'     => 'New Resource',
           'newlibraryfile'  => 'New Resource',
    'Select Action'   => 'New Resource',
       );
       if ($action{$env{'form.action'}}) {
           if ($crsauthor) {
               my @disallowed = qw(page sequence rights library);
               my $newtype;
               if ($env{'form.action'} =~ /^new(\w+)file$/) {
                   $newtype = $1;
               } elsif ($env{'form.action'} eq 'newfile') {
                   ($newtype) = ($env{'form.newfilename'} =~ m{\.([^/.]+)$});
                   $newtype = lc($newtype);
               }
               if (($newtype ne '') &&
                   (grep(/^\Q$newtype\E$/,@disallowed))) {
                   $r->print('<p class="LC_error">'
                            .&mt('Creation of a new file of type: [_1] is not permitted in Course Authoring Space',$newtype)
                            .'</p>'
                            .&Apache::loncommon::end_page()
                   );
                   return OK;
               }
           }
           $r->print('<h2>'.$action{$env{'form.action'}}.'</h2>');
       } else {
           $r->print('<p class="LC_error">'
                    .&mt('Unknown Action: [_1]',$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.1.16  
changed lines
  Added in v.1.127

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