X-Git-Url: https://git.p6c8.net/devedit.git/blobdiff_plain/026334ca3bfc6d4cc1ddeed98f97d1b58eda5512..a07b98187cfa4eba82ab509350c1d317e802c1a6:/modules/Command.pm

diff --git a/modules/Command.pm b/modules/Command.pm
index 6aa3fc1..6db5d07 100644
--- a/modules/Command.pm
+++ b/modules/Command.pm
@@ -6,41 +6,66 @@ package Command;
 # Execute Dev-Editor's commands
 #
 # Author:        Patrick Canterino <patshaping@gmx.net>
-# Last modified: 09-25-2003
+# Last modified: 2004-07-11
 #
 
 use strict;
 
-use vars qw(@EXPORT
-            $script);
-
-use CGI qw(header
-           redirect);
+use vars qw(@EXPORT);
 
 use File::Access;
 use File::Copy;
+use File::Path;
 
-use HTML::Entities;
-use Output;
 use POSIX qw(strftime);
 use Tool;
 
-$script = $ENV{'SCRIPT_NAME'};
+use CGI qw(header);
+use HTML::Entities;
+use Output;
+use Template;
+
+my $script = $ENV{'SCRIPT_NAME'};
+
+my %dispatch = ('show'       => \&exec_show,
+                'beginedit'  => \&exec_beginedit,
+                'canceledit' => \&exec_canceledit,
+                'endedit'    => \&exec_endedit,
+                'mkdir'      => \&exec_mkdir,
+                'mkfile'     => \&exec_mkfile,
+                'upload'     => \&exec_upload,
+                'copy'       => \&exec_copy,
+                'rename'     => \&exec_rename,
+                'remove'     => \&exec_remove,
+                'unlock'     => \&exec_unlock,
+                'about'      => \&exec_about
+               );
 
 ### Export ###
 
 use base qw(Exporter);
 
-@EXPORT = qw(exec_show
-             exec_beginedit
-             exec_endedit
-             exec_mkfile
-             exec_mkdir
-             exec_workwithfile
-             exec_copy
-             exec_rename
-             exec_remove
-             exec_unlock);
+@EXPORT = qw(exec_command);
+
+# exec_command()
+#
+# Execute the specified command
+#
+# Params: 1. Command to execute
+#         2. Reference to user input hash
+#         3. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_command($$$)
+{
+ my ($command,$data,$config) = @_;
+
+ return error($config->{'errors'}->{'cmd_unknown'},'/',{COMMAND => $command}) unless($dispatch{$command});
+
+ my $output = &{$dispatch{$command}}($data,$config);
+ return $output;
+}
 
 # exec_show()
 #
@@ -51,120 +76,108 @@ use base qw(Exporter);
 #
 # Return: Output of the command (Scalar Reference)
 
-sub exec_show($$$)
+sub exec_show($$)
 {
  my ($data,$config) = @_;
  my $physical       = $data->{'physical'};
  my $virtual        = $data->{'virtual'};
- my $output;
+
+ my $tpl = new Template;
 
  if(-d $physical)
  {
   # Create directory listing
 
   my $direntries = dir_read($physical);
-  return error("Reading of directory $virtual failed") unless($direntries);
+  return error($config->{'dir_read_failed'},upper_path($virtual),{DIR => '$virtual'}) unless($direntries);
 
   my $files = $direntries->{'files'};
   my $dirs  = $direntries->{'dirs'};
 
-  $output .= htmlhead("Directory listing of $virtual");
-  $output .= equal_url($config->{'httproot'},$virtual);
-  $output .= "<hr>\n\n<pre>\n";
+  my $dirlist = "";
 
   # Create the link to the upper directory
   # (only if we are not in the root directory)
 
   unless($virtual eq "/")
   {
-   my $upper = $physical."/..";
-   my @stat  = stat($upper);
+   my @stat  = stat($physical."/..");
 
-   $output .= "  [SUBDIR]  ";
-   $output .= strftime("%d.%m.%Y %H:%M",localtime($stat[9]));
-   $output .= " " x 10;
-   $output .= "<a href=\"$script?command=show&file=".encode_entities(upper_path($virtual))."\">../</a>\n";
-  }
-
-  # Get the longest file/directory name
+   my $udtpl = new Template;
+   $udtpl->read_file($config->{'templates'}->{'dirlist_up'});
 
-  my $max_name_len = 0;
+   $udtpl->fillin("UPPER_DIR",encode_entities(upper_path($virtual)));
+   $udtpl->fillin("DATE",strftime($config->{'timeformat'},localtime($stat[9])));
 
-  foreach(@$dirs,@$files)
-  {
-   my $length    = length($_);
-   $max_name_len = $length if($length > $max_name_len);
+   $dirlist .= $udtpl->get_template;
   }
 
   # Directories
 
   foreach my $dir(@$dirs)
   {
-   my @stat = stat($physical."/".$dir);
+   my @stat      = stat($physical."/".$dir);
+   my $virt_path = encode_entities($virtual.$dir."/");
 
-   $output .= "  ";
-   $output .= "[SUBDIR]  ";
-   $output .= strftime("%d.%m.%Y %H:%M",localtime($stat[9]));
-   $output .= " " x 10;
-   $output .= "<a href=\"$script?command=show&file=".encode_entities($virtual.$dir)."/\">".encode_entities($dir)."/</a>\n";
+   my $dtpl = new Template;
+   $dtpl->read_file($config->{'templates'}->{'dirlist_dir'});
+
+   $dtpl->fillin("DIR",$virt_path);
+   $dtpl->fillin("DIR_NAME",$dir);
+   $dtpl->fillin("DATE",strftime($config->{'timeformat'},localtime($stat[9])));
+   $dtpl->fillin("URL",equal_url($config->{'httproot'},$virt_path));
+
+   $dirlist .= $dtpl->get_template;
   }
 
   # Files
 
   foreach my $file(@$files)
   {
-   my $phys_path = $physical."/".$file; # Not exactly...
+   my $phys_path = $physical."/".$file;
    my $virt_path = encode_entities($virtual.$file);
 
    my @stat      = stat($phys_path);
    my $in_use    = $data->{'uselist'}->in_use($virtual.$file);
 
-   $output .= " " x (10 - length($stat[7]));
-   $output .= $stat[7];
-   $output .= "  ";
-   $output .= strftime("%d.%m.%Y %H:%M",localtime($stat[9]));
-   $output .= ($in_use) ? " (IN USE) " : (not -T $phys_path) ? " (BINARY) " : " " x 10;
-   $output .= encode_entities($file);
-   $output .= " " x ($max_name_len - length($file))."\t  (";
+   my $ftpl = new Template;
+   $ftpl->read_file($config->{'templates'}->{'dirlist_file'});
+
+   $ftpl->fillin("FILE",$virt_path);
+   $ftpl->fillin("FILE_NAME",$file);
+   $ftpl->fillin("SIZE",$stat[7]);
+   $ftpl->fillin("DATE",strftime($config->{'timeformat'},localtime($stat[9])));
+   $ftpl->fillin("URL",equal_url($config->{'httproot'},$virt_path));
 
-   $output .= (-T $phys_path)
-              ? "<a href=\"$script?command=show&file=$virt_path\">View</a>"
-              : '<span style="color:#C0C0C0">View</span>';
+   $ftpl->parse_if_block("not_readable",not -r $phys_path);
+   $ftpl->parse_if_block("binary",-B $phys_path);
+   $ftpl->parse_if_block("readonly",not -w $phys_path);
 
-   $output .= " | ";
+   $ftpl->parse_if_block("viewable",-r $phys_path && -T $phys_path && not ($config->{'max_file_size'} && $stat[7] > $config->{'max_file_size'}));
 
-   $output .= ($in_use || not -T $phys_path)
-              ? '<span style="color:#C0C0C0">Edit</span>'
-              : "<a href=\"$script?command=beginedit&file=$virt_path\">Edit</a>";
+   $ftpl->parse_if_block("editable",-r $phys_path && -w $phys_path && -T $phys_path && not ($config->{'max_file_size'} && $stat[7] > $config->{'max_file_size'}) && not $in_use);
 
-   $output .= " | <a href=\"$script?command=workwithfile&file=$virt_path\">Do other stuff</a>)\n";
+   $ftpl->parse_if_block("in_use",$in_use);
+   $ftpl->parse_if_block("unused",not $in_use);
+
+   $ftpl->parse_if_block("too_large",$config->{'max_file_size'} && $stat[7] > $config->{'max_file_size'});
+
+   $dirlist .= $ftpl->get_template;
   }
 
-  $output .= "</pre>\n\n<hr>\n\n";
-
-  # Bottom of directory listing
-  # (Fields for creating files and directories)
-
-  $output .= <<END;
-<table border="0">
-<tr>
-<td>Create new directory:</td>
-<td>$virtual <input type="text" name="newdirname"> <input type="submit" value="Create!"></td>
-</tr>
-<tr>
-<td>Create new file:</td>
-<td>$virtual <input type="text" name="newfilename"> <input type="submit" value="Create!"></td>
-</tr>
-</table>
-
-<hr>
-END
-  $output .= htmlfoot;
+  $tpl->read_file($config->{'templates'}->{'dirlist'});
+
+  $tpl->fillin("DIRLIST",$dirlist);
+  $tpl->fillin("DIR",$virtual);
+  $tpl->fillin("SCRIPT",$script);
+  $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
  }
  else
  {
   # View a file
 
+  return error($config->{'errors'}->{'noview'},upper_path($virtual)) unless(-r $physical);
+
   # Check on binary files
   # We have to do it in this way, or empty files
   # will be recognized as binary files
@@ -173,26 +186,36 @@ END
   {
    # Binary file
 
-   return error("This editor is not able to view/edit binary files.");
+   return error($config->{'errors'}->{'binary'},upper_path($virtual));
   }
   else
   {
    # Text file
 
-   $output  = htmlhead("Contents of file ".encode_entities($virtual));
-   $output .= equal_url($config->{'httproot'},$virtual);
-   $output .= dir_link($virtual);
-
-   $output .= '<div style="background-color:#FFFFE0;border:1px solid black;margin-top:10px;width:100%">'."\n";
-   $output .= '<pre style="color:#0000C0;">'."\n";
-   $output .= encode_entities(${file_read($physical)});
-   $output .= "\n</pre>\n</div>";
-
-   $output .= htmlfoot;
+   if($config->{'max_file_size'} && (stat($physical))[7] > $config->{'max_file_size'})
+   {
+    return error($config->{'errors'}->{'file_too_large'},upper_path($virtual),{SIZE => $config->{'max_file_size'}})
+   }
+   else
+   {
+    my $content =  file_read($physical);
+    $$content   =~ s/\015\012|\012|\015/\n/g;
+
+    $tpl->read_file($config->{'templates'}->{'viewfile'});
+
+    $tpl->fillin("FILE",$virtual);
+    $tpl->fillin("DIR",upper_path($virtual));
+    $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+    $tpl->fillin("SCRIPT",$script);
+    $tpl->fillin("CONTENT",encode_entities($$content));
+   }
   }
  }
 
- return \$output
+ my $output  = header(-type => "text/html");
+ $output    .= $tpl->get_template;
+
+ return \$output;
 }
 
 # exec_beginedit
@@ -211,8 +234,9 @@ sub exec_beginedit($$)
  my $virtual        = $data->{'virtual'};
  my $uselist        = $data->{'uselist'};
 
- return error("You cannot edit directories.") if(-d $physical);
- return error_in_use($virtual) if($uselist->in_use($virtual));
+ return error($config->{'errors'}->{'editdir'},upper_path($virtual))                   if(-d $physical);
+ return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($uselist->in_use($virtual));
+ return error($config->{'errors'}->{'noedit'},upper_path($virtual))                    unless(-r $physical && -w $physical);
 
  # Check on binary files
 
@@ -220,55 +244,57 @@ sub exec_beginedit($$)
  {
   # Binary file
 
-  return error("This editor is not able to view/edit binary files.");
+  return error($config->{'errors'}->{'binary'},upper_path($virtual));
  }
  else
  {
-  # Text file
-
-  $uselist->add_file($virtual);
-  $uselist->save;
-
-  my $dir     = upper_path($virtual);
-  my $content = encode_entities(${file_read($physical)});
+  if($config->{'max_file_size'} && (stat($physical))[7] > $config->{'max_file_size'})
+  {
+   return error($config->{'errors'}->{'file_too_large'},upper_path($virtual),{SIZE => $config->{'max_file_size'}})
+  }
+  else
+   {
+   # Text file
 
-  my $output = htmlhead("Edit file ".encode_entities($virtual));
-  $output   .= equal_url($config->{'httproot'},$virtual);
+   $uselist->add_file($virtual);
+   $uselist->save;
 
-  $virtual = encode_entities($virtual);
+   my $content =  file_read($physical);
+   $$content   =~ s/\015\012|\012|\015/\n/g;
 
-  $output   .= <<END;
-<p><b style="color:#FF0000">Caution!</b> This file is locked for other users while you are editing it. To unlock it, click <i>Save and exit</i> or <i>Exit WITHOUT saving</i>. Please <b>don't</b> click the <i>Reload</i> button in your browser! This will confuse the editor.</p>
+   my $tpl = new Template;
+   $tpl->read_file($config->{'templates'}->{'editfile'});
 
-<form action="$ENV{'SCRIPT_NAME'}" method="get">
-<input type="hidden" name="command" value="canceledit">
-<input type="hidden" name="file" value="$virtual">
-<p><input type="submit" value="Exit WITHOUT saving"></p>
-</form>
+   $tpl->fillin("FILE",$virtual);
+   $tpl->fillin("DIR",upper_path($virtual));
+   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+   $tpl->fillin("SCRIPT",$script);
+   $tpl->fillin("CONTENT",encode_entities($$content));
 
-<form action="$ENV{'SCRIPT_NAME'}" method="post">
-<input type="hidden" name="command" value="endedit">
-<input type="hidden" name="file" value="$virtual">
+   my $output = header(-type => "text/html");
+   $output   .= $tpl->get_template;
 
-<table width="100%" border="1">
-<tr>
-<td width="50%" align="center"><input type="checkbox" name="save_as_new_file" value="1"> Save as new file: $dir <input type=text name="new_filename" value=""></td>
-<td width="50%" align="center"><input type="checkbox" name="encode_iso" value="1"> Encode ISO-8859-1 special chars</td>
-</tr>
-<tr>
-<td align="center"><input type="reset" value="Reset form"></td>
-<td align="center"><input type="submit" value="Save and exit"></td>
-</tr>
-</table>
+   return \$output;
+  }
+ }
+}
 
-<textarea name="filecontent" rows="25" cols="120">$content</textarea>
-</form>
-END
+# exec_canceledit()
+#
+# Abort file editing
+#
+# Params: 1. Reference to user input hash
+#         2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
 
-  $output .= htmlfoot;
+sub exec_canceledit($$)
+{
+ my ($data,$config) = @_;
+ my $virtual        = $data->{'virtual'};
 
-  return \$output;
- }
+ file_unlock($data->{'uselist'},$virtual);
+ return devedit_reload({command => 'show', file => upper_path($virtual)});
 }
 
 # exec_endedit()
@@ -286,8 +312,11 @@ sub exec_endedit($$)
  my $physical       = $data->{'physical'};
  my $virtual        = $data->{'virtual'};
  my $content        = $data->{'cgi'}->param('filecontent');
+ my $uselist        = $data->{'uselist'};
+
+ # Normalize newlines
 
- return error("You cannot edit directories.") if(-d $physical);
+ $content =~ s/\015\012|\012|\015/\n/g;
 
  if($data->{'cgi'}->param('encode_iso'))
  {
@@ -296,15 +325,35 @@ sub exec_endedit($$)
   $content = encode_entities($content,"\200-\377");
  }
 
+ if($data->{'cgi'}->param('saveas'))
+ {
+  # Create the new filename
+
+  $physical = $data->{'new_physical'};
+  $virtual  = $data->{'new_virtual'};
+
+  # Check if someone else is editing the new file
+
+  return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($uselist->in_use($virtual));
+ }
+
+ return error($config->{'errors'}->{'editdir'},upper_path($virtual)) if(-d $physical);
+ return error($config->{'errors'}->{'noedit'}, upper_path($virtual)) unless(-r $physical && -w $physical);
+
  if(file_save($physical,\$content))
  {
-  # Saving of the file was successfull - so unlock it!
+  # Saving of the file was successful - so unlock it!
+
+  file_unlock($uselist,$data->{'virtual'});
+  #                    ^^^^^^^^^^^^^^^^^^
+  # Maybe the user saved the file using another filename...
+  # But we have to unlock the original file!
 
-  return exec_unlock($data,$config);
+  return devedit_reload({command => 'show', file => upper_path($virtual)});
  }
  else
  {
-  return error("Saving of file '".encode_entities($virtual)."' failed'");
+  return error($config->{'errors'}->{'edit_failed'},upper_path($virtual),{FILE => $virtual});
  }
 }
 
@@ -319,7 +368,32 @@ sub exec_endedit($$)
 
 sub exec_mkfile($$)
 {
- 1;
+ my ($data,$config) = @_;
+ my $new_physical   = $data->{'new_physical'};
+ my $new_virtual    = $data->{'new_virtual'};
+ my $dir            = upper_path($new_virtual);
+ $new_virtual       = encode_entities($new_virtual);
+
+ if($new_physical)
+ {
+  return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual}) if(-e $new_physical);
+
+  file_create($new_physical) or return error($config->{'errors'}->{'mkfile_failed'},$dir,{FILE => $new_virtual});
+  return devedit_reload({command => 'show', file => $dir});
+ }
+ else
+ {
+  my $tpl = new Template;
+  $tpl->read_file($config->{'templates'}->{'mkfile'});
+
+  $tpl->fillin("DIR","/");
+  $tpl->fillin("SCRIPT",$script);
+
+  my $output = header(-type => "text/html");
+  $output   .= $tpl->get_template;
+
+  return \$output;
+ }
 }
 
 # exec_mkdir()
@@ -333,91 +407,92 @@ sub exec_mkfile($$)
 
 sub exec_mkdir($$)
 {
- 1;
+ my ($data,$config) = @_;
+ my $new_physical   = $data->{'new_physical'};
+ my $new_virtual    = $data->{'new_virtual'};
+ my $dir            = upper_path($new_virtual);
+ $new_virtual       = encode_entities($new_virtual);
+
+ return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual}) if(-e $new_physical);
+
+ if($new_physical)
+ {
+  mkdir($new_physical,0777) or return error($config->{'errors'}->{'mkdir_failed'},$dir,{DIR => $new_virtual});
+  return devedit_reload({command => 'show', file => $dir});
+ }
+ else
+ {
+  my $tpl = new Template;
+  $tpl->read_file($config->{'templates'}->{'mkdir'});
+
+  $tpl->fillin("DIR","/");
+  $tpl->fillin("SCRIPT",$script);
+
+  my $output = header(-type => "text/html");
+  $output   .= $tpl->get_template;
+
+  return \$output;
+ }
 }
 
-# exec_workwithfile()
+# exec_upload()
 #
-# Display a form for renaming/copying/deleting/unlocking a file
+# Upload a file
 #
 # Params: 1. Reference to user input hash
 #         2. Reference to config hash
 #
 # Return: Output of the command (Scalar Reference)
 
-sub exec_workwithfile($$)
+sub exec_upload($$)
 {
  my ($data,$config) = @_;
  my $physical       = $data->{'physical'};
  my $virtual        = $data->{'virtual'};
- my $unused         = $data->{'uselist'}->unused($virtual);
-
- my $output = htmlhead("Work with file ".encode_entities($virtual));
- $output   .= equal_url($config->{'httproot'},$virtual);
-
- $virtual   = encode_entities($virtual);
-
- $output   .= dir_link($virtual);
- $output   .= "<p><b>Note:</b> On UNIX systems, filenames are <b>case-sensitive</b>!</p>\n\n";
-
- $output .= "<p>Someone else is currently editing this file. So not all features are available.</p>\n\n" unless($unused);
+ my $cgi            = $data->{'cgi'};
 
- # Copying of the file as always allowed
-
- $output .= <<END;
-<hr>
-
-<h2>Copy</h2>
+ if(my $uploaded_file = $cgi->param('uploaded_file'))
+ {
+  # Process file upload
 
-<p>Copy file '$virtual' to: <input type="text" name="newfilename" size="50"> <input type="submit" value="Copy!"></p>
+  my $filename  = file_name($uploaded_file);
+  my $file_phys = $physical."/".$filename;
+  my $file_virt = $virtual."".$filename;
 
-<hr>
+  return error($config->{'errors'}->{'file_exists'},$virtual,{FILE => $file_virt}) if(-e $file_phys);
 
-END
+  my $ascii     = $cgi->param('ascii');
+  my $handle    = $cgi->upload('uploaded_file');
 
- if($unused)
- {
-  # File is not locked
-  # Allow renaming and deleting the file
+  local *FILE;
 
-  $output .= <<END;
-<h2>Move/rename</h2>
+  open(FILE,">$file_phys") or return error($config->{'errors'}->{'mkfile_failed'},$virtual,{FILE => $file_virt});
+  binmode(FILE) unless($ascii);
 
-<p>Move/Rename file '$virtual' to: <input type="text" name="newfilename" size="50"> <input type="submit" value="Move/Rename!"></p>
+  # Read transferred file and write it to disk
 
-<hr>
+  read($handle, my $data, -s $handle);
+  $data =~ s/\015\012|\012|\015/\n/g if($ascii); # Replace line separators if transferring in ASCII mode
+  print FILE $data;
 
-<h2>Delete</h2>
+  close(FILE);
 
-<form action="$script" method="get">
-<input type="hidden" name="file" value="$virtual">
-<input type="hidden" name="command" value="remove">
-<p><input type="submit" value="Delete file '$virtual'!"></p>
-</form>
-END
+  return devedit_reload({command => "show", file => $virtual});
  }
  else
  {
-  # File is locked
-  # Just display a button for unlocking it
+  my $tpl = new Template;
+  $tpl->read_file($config->{'templates'}->{'upload'});
 
-  $output .= <<END;
-<h2>Unlock file</h2>
+  $tpl->fillin("DIR",$virtual);
+  $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+  $tpl->fillin("SCRIPT",$script);
 
-<p>Someone else is currently editing this file. At least, the file is marked so. Maybe, someone who was editing the file has forgotten to unlock it. In this case (and <b>only</b> in this case) you can unlock the file using this button:</p>
+  my $output = header(-type => "text/html");
+  $output   .= $tpl->get_template;
 
-<form action="$script" method="get">
-<input type="hidden" name="file" value="$virtual">
-<input type="hidden" name="command" value="unlock">
-<p><input type="submit" value="Unlock file '$virtual'"></p>
-</form>
-END
+  return \$output;
  }
-
- $output .= "\n<hr>";
- $output .= htmlfoot;
-
- return \$output;
 }
 
 # exec_copy()
@@ -431,7 +506,67 @@ END
 
 sub exec_copy($$)
 {
- 1;
+ my ($data,$config) = @_;
+ my $physical       = $data->{'physical'};
+ my $virtual        = encode_entities($data->{'virtual'});
+ my $new_physical   = $data->{'new_physical'};
+
+ return error($config->{'errors'}->{'nocopy'}) unless(-r $physical);
+
+ if($new_physical)
+ {
+  my $new_virtual = $data->{'new_virtual'};
+  my $dir         = upper_path($new_virtual);
+  $new_virtual    = encode_entities($new_virtual);
+
+  if(-e $new_physical)
+  {
+   return error($config->{'errors'}->{'exist_edited'},$dir,{FILE => $new_virtual}) if($data->{'uselist'}->in_use($data->{'new_virtual'}));
+
+   if(-d $new_physical)
+   {
+    return error($config->{'errors'}->{'dircopy'});
+   }
+   elsif(not $data->{'cgi'}->param('confirmed'))
+   {
+    my $tpl = new Template;
+    $tpl->read_file($config->{'templates'}->{'confirm_replace'});
+
+    $tpl->fillin("FILE",$virtual);
+    $tpl->fillin("NEW_FILE",$new_virtual);
+    $tpl->fillin("NEW_FILENAME",file_name($new_virtual));
+    $tpl->fillin("NEW_DIR",$dir);
+    $tpl->fillin("DIR",upper_path($virtual));
+
+    $tpl->fillin("COMMAND","copy");
+    $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+    $tpl->fillin("SCRIPT",$script);
+
+    my $output = header(-type => "text/html");
+    $output   .= $tpl->get_template;
+
+    return \$output;
+   }
+  }
+
+  copy($physical,$new_physical) or return error($config->{'errors'}->{'copy_failed'},upper_path($virtual),{FILE => $virtual, NEW_FILE => $new_virtual});
+  return devedit_reload({command => 'show', file => $dir});
+ }
+ else
+ {
+  my $tpl = new Template;
+  $tpl->read_file($config->{'templates'}->{'copyfile'});
+
+  $tpl->fillin("FILE",$virtual);
+  $tpl->fillin("DIR",upper_path($virtual));
+  $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+  $tpl->fillin("SCRIPT",$script);
+
+  my $output = header(-type => "text/html");
+  $output   .= $tpl->get_template;
+
+  return \$output;
+ }
 }
 
 # exec_rename()
@@ -445,12 +580,72 @@ sub exec_copy($$)
 
 sub exec_rename($$)
 {
- 1;
+ my ($data,$config) = @_;
+ my $physical       = $data->{'physical'};
+ my $virtual        = $data->{'virtual'};
+ my $new_physical   = $data->{'new_physical'};
+
+ return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($data->{'uselist'}->in_use($virtual));
+
+ if($new_physical)
+ {
+  my $new_virtual = $data->{'new_virtual'};
+  my $dir         = upper_path($new_virtual);
+  $new_virtual    = encode_entities($new_virtual);
+
+  if(-e $new_physical)
+  {
+   return error($config->{'errors'}->{'exist_edited'},$dir,{FILE => $new_virtual}) if($data->{'uselist'}->in_use($data->{'new_virtual'}));
+
+   if(-d $new_physical)
+   {
+    return error($config->{'errors'}->{'dircopy'});
+   }
+   elsif(not $data->{'cgi'}->param('confirmed'))
+   {
+    my $tpl = new Template;
+    $tpl->read_file($config->{'templates'}->{'confirm_replace'});
+
+    $tpl->fillin("FILE",$virtual);
+    $tpl->fillin("NEW_FILE",$new_virtual);
+    $tpl->fillin("NEW_FILENAME",file_name($new_virtual));
+    $tpl->fillin("NEW_DIR",$dir);
+    $tpl->fillin("DIR",upper_path($virtual));
+
+    $tpl->fillin("COMMAND","rename");
+    $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+    $tpl->fillin("SCRIPT",$script);
+
+    my $output = header(-type => "text/html");
+    $output   .= $tpl->get_template;
+
+    return \$output;
+   }
+  }
+
+  rename($physical,$new_physical) or return error($config->{'errors'}->{'rename_failed'},upper_path($virtual),{FILE => $virtual, NEW_FILE => $new_virtual});
+  return devedit_reload({command => 'show', file => $dir});
+ }
+ else
+ {
+  my $tpl = new Template;
+  $tpl->read_file($config->{'templates'}->{'renamefile'});
+
+  $tpl->fillin("FILE",$virtual);
+  $tpl->fillin("DIR",upper_path($virtual));
+  $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+  $tpl->fillin("SCRIPT",$script);
+
+  my $output = header(-type => "text/html");
+  $output   .= $tpl->get_template;
+
+  return \$output;
+ }
 }
 
 # exec_remove()
 #
-# Remove a file and return to directory view
+# Remove a file or a directory and return to directory view
 #
 # Params: 1. Reference to user input hash
 #         2. Reference to config hash
@@ -463,15 +658,58 @@ sub exec_remove($$)
  my $physical       = $data->{'physical'};
  my $virtual        = $data->{'virtual'};
 
- return error("Deleting of directories is currently unsupported") if(-d $physical);
- return error_in_use($virtual) if($data->{'uselist'}->in_use($virtual));
+ if(-d $physical)
+ {
+  # Remove a directory
 
- my $dir = upper_path($virtual);
+  if($data->{'cgi'}->param('confirmed'))
+  {
+   rmtree($physical);
+   return devedit_reload({command => 'show', file => upper_path($virtual)});
+  }
+  else
+  {
+   my $tpl = new Template;
+   $tpl->read_file($config->{'templates'}->{'confirm_rmdir'});
 
- unlink($physical) or return error("Could not delete file '".encode_entities($virtual)."'.");
+   $tpl->fillin("DIR",$virtual);
+   $tpl->fillin("UPPER_DIR",upper_path($virtual));
+   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+   $tpl->fillin("SCRIPT",$script);
 
- my $output = redirect("http://$ENV{'HTTP_HOST'}$script?command=show&file=$dir");
- return \$output;
+   my $output = header(-type => "text/html");
+   $output   .= $tpl->get_template;
+
+   return \$output;
+  }
+ }
+ else
+ {
+  # Remove a file
+
+  return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($data->{'uselist'}->in_use($virtual));
+
+  if($data->{'cgi'}->param('confirmed'))
+  {
+   unlink($physical) or return error($config->{'errors'}->{'delete_failed'},upper_path($virtual),{FILE => $virtual});
+   return devedit_reload({command => 'show', file => upper_path($virtual)});
+  }
+  else
+  {
+   my $tpl = new Template;
+   $tpl->read_file($config->{'templates'}->{'confirm_rmfile'});
+
+   $tpl->fillin("FILE",$virtual);
+   $tpl->fillin("DIR",upper_path($virtual));
+   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+   $tpl->fillin("SCRIPT",$script);
+
+   my $output = header(-type => "text/html");
+   $output   .= $tpl->get_template;
+
+   return \$output;
+  }
+ }
 }
 
 # exec_unlock()
@@ -487,16 +725,101 @@ sub exec_remove($$)
 sub exec_unlock($$)
 {
  my ($data,$config) = @_;
- my $physical       = $data->{'physical'};
  my $virtual        = $data->{'virtual'};
- my $uselist        = $data->{'uselist'};
 
- my $dir = upper_path($virtual);
+ if($data->{'cgi'}->param('confirmed'))
+ {
+  file_unlock($data->{'uselist'},$virtual);
+  return devedit_reload({command => 'show', file => upper_path($virtual)});
+ }
+ else
+ {
+  my $tpl = new Template;
+  $tpl->read_file($config->{'templates'}->{'confirm_unlock'});
+
+  $tpl->fillin("FILE",$virtual);
+  $tpl->fillin("DIR",upper_path($virtual));
+  $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+  $tpl->fillin("SCRIPT",$script);
+
+  my $output = header(-type => "text/html");
+  $output   .= $tpl->get_template;
+
+  return \$output;
+ }
+}
+
+# exec_about()
+#
+# Display some information about Dev-Editor
+#
+# Params: 1. Reference to user input hash
+#         2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_about($$)
+{
+ my ($data,$config) = @_;
+
+ my $tpl = new Template;
+ $tpl->read_file($config->{'templates'}->{'about'});
+
+ $tpl->fillin("SCRIPT",$script);
+
+ # Dev-Editor's version number
+
+ $tpl->fillin("VERSION",$data->{'version'});
+
+ # Some path information
+
+ $tpl->fillin("SCRIPT_PHYS",$ENV{'SCRIPT_FILENAME'});
+ $tpl->fillin("CONFIG_PATH",$data->{'configfile'});
+ $tpl->fillin("FILE_ROOT",$config->{'fileroot'});
+ $tpl->fillin("HTTP_ROOT",$config->{'httproot'});
+
+ # Perl
+
+ $tpl->fillin("PERL_PROG",$^X);
+ $tpl->fillin("PERL_VER",sprintf("%vd",$^V));
+
+ # Information about the server
+
+ $tpl->fillin("HTTPD",$ENV{'SERVER_SOFTWARE'});
+ $tpl->fillin("OS",$^O);
+ $tpl->fillin("TIME",strftime($config->{'timeformat'},localtime));
+
+ # Process information
+
+ $tpl->fillin("PID",$$);
+
+ # Check if the functions getpwuid() and getgrgid() are available
+
+ if(eval("getpwuid(0)") && eval("getgrgid(0)"))
+ {
+  # Dev-Editor is running on a system which allows users and groups
+  # So we display the user and the group of our process
+
+  $tpl->parse_if_block("users",1);
+
+  # ID's of user and group
+
+  $tpl->fillin("UID",$<);
+  $tpl->fillin("GID",$();
+
+  # Names of user and group
+
+  $tpl->fillin("USER",getpwuid($<));
+  $tpl->fillin("GROUP",getgrgid($());
+ }
+ else
+ {
+  $tpl->parse_if_block("users",0);
+ }
 
- $uselist->remove_file($virtual);
- $uselist->save;
+ my $output = header(-type => "text/html");
+ $output   .= $tpl->get_template;
 
- my $output = redirect("http://$ENV{'HTTP_HOST'}$script?command=show&file=$dir");
  return \$output;
 }