+package Command;
+
+#
+# Dev-Editor - Module Command
+#
+# Execute Dev-Editor's commands
+#
+# Author: Patrick Canterino <patshaping@gmx.net>
+# Last modified: 09-22-2003
+#
+
+use strict;
+
+use vars qw(@EXPORT
+ $script);
+
+use CGI qw(header
+ redirect);
+
+use File::Access;
+use File::Copy;
+
+use HTML::Entities;
+use Output;
+use POSIX qw(strftime);
+use Tool;
+
+$script = $ENV{'SCRIPT_NAME'};
+
+### 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);
+
+# exec_show()
+#
+# View a directory or a file
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_show($$$)
+{
+ my ($data,$config) = @_;
+ my $physical = $data->{'physical'};
+ my $virtual = $data->{'virtual'};
+ my $output;
+
+ if(-d $physical)
+ {
+ # Create directory listing
+
+ my $direntries = dir_read($physical);
+ return error("Reading of directory $virtual failed") 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";
+
+ # 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);
+
+ $output .= " [SUBDIR] ";
+ $output .= strftime("%d.%m.%Y %H:%M",localtime($stat[9]));
+ $output .= " " x 10;
+ $output .= "<a href=\"$script?command=show&file=".upper_path($virtual)."\">../</a>\n";
+ }
+
+ # Get the longest file/directory name
+
+ my $max_name_len = 0;
+
+ foreach(@$dirs,@$files)
+ {
+ my $length = length($_);
+ $max_name_len = $length if($length > $max_name_len);
+ }
+
+ # Directories
+
+ foreach my $dir(@$dirs)
+ {
+ my @stat = stat($physical."/".$dir);
+
+ $output .= " ";
+ $output .= "[SUBDIR] ";
+ $output .= strftime("%d.%m.%Y %H:%M",localtime($stat[9]));
+ $output .= " " x 10;
+ $output .= "<a href=\"$script?command=show&file=$virtual$dir/\">".encode_entities($dir)."/</a>\n";
+ }
+
+ # Files
+
+ foreach my $file(@$files)
+ {
+ my @stat = stat($physical."/".$file);
+ my $virt_path = $virtual.$file;
+ 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) " : " " x 10;
+ $output .= encode_entities($file);
+ $output .= " " x ($max_name_len - length($file))."\t (";
+ $output .= "<a href=\"$script?command=show&file=$virt_path\">View</a> | ";
+
+ $output .= ($in_use)
+ ? '<span style="color:#C0C0C0">Edit</span>'
+ : "<a href=\"$script?command=beginedit&file=$virt_path\">Edit</a>";
+
+ $output .= " | <a href=\"$script?command=workwithfile&file=$virt_path\">Do other stuff</a>)\n";
+ }
+
+ $output .= "</pre>\n\n<hr>\n\n";
+ $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;
+ }
+ else
+ {
+ # View a file
+
+ # Check on binary files
+
+ if(-B $physical)
+ {
+ # Binary file
+
+ return error("This editor is not able to view/edit binary files.");
+ }
+ else
+ {
+ # Text file
+
+ $output = htmlhead("Contents of file $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;
+ }
+ }
+
+ return \$output
+}
+
+# exec_beginedit
+#
+# Lock a file and display a form to edit it
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_beginedit($$)
+{
+ my ($data,$config) = @_;
+ my $physical = $data->{'physical'};
+ 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));
+
+ # Check on binary files
+
+ if(-B $physical)
+ {
+ # Binary file
+
+ return error("This editor is not able to view/edit binary files.");
+ }
+ else
+ {
+ # Text file
+
+ $uselist->add_file($virtual);
+ $uselist->save;
+
+ my $dir = upper_path($virtual);
+ my $content = encode_entities(${file_read($physical)});
+
+ my $output = htmlhead("Edit file $virtual");
+ $output .= equal_url($config->{'httproot'},$virtual);
+ $output .= <<END;
+<p><b style="color:#FF0000">Caution!</b> This file is locked for other users while you are editing it. To unlock it, click <i>Save and exit</i> or <i>Exit WITHOUT saving</i>. Please <b>don't</b> click the <i>Reload</i> button in your browser! This will confuse the editor.</p>
+
+<form action="$ENV{'SCRIPT_NAME'}" method="get">
+<input type="hidden" name="command" value="canceledit">
+<input type="hidden" name="file" value="$virtual">
+<p><input type="submit" value="Exit WITHOUT saving"></p>
+</form>
+
+<form action="$ENV{'SCRIPT_NAME'}" method="post">
+<input type="hidden" name="command" value="endedit">
+<input type="hidden" name="file" value="$virtual">
+
+<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: $dir <input type=text name="new_filename" value=""></td>
+<td width="50%" align="center"><input type="checkbox" name="encode_iso" value="1"> Encode ISO-8859-1 special chars</td>
+</tr>
+<tr>
+<td align="center"><input type="reset" value="Reset form"></td>
+<td align="center"><input type="submit" value="Save and exit"></td>
+</tr>
+</table>
+
+<textarea name="filecontent" rows="25" cols="120">$content</textarea>
+</form>
+END
+
+ $output .= htmlfoot;
+
+ return \$output;
+ }
+}
+
+# exec_endedit()
+#
+# Save a file, unlock it and return to directory view
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_endedit($$)
+{
+ my ($data,$config) = @_;
+ my $physical = $data->{'physical'};
+ my $virtual = $data->{'virtual'};
+ my $content = $data->{'cgi'}->param('filecontent');
+
+ return error("You cannot edit directories.") if(-d $physical);
+
+ if($data->{'cgi'}->param('encode_iso'))
+ {
+ # Encode all ISO-8859-1 special chars
+
+ $content = encode_entities($content,"\200-\377");
+ }
+
+ if(file_save($physical,\$content))
+ {
+ # Saving of the file was successfull - so unlock it!
+
+ return exec_unlock($data,$config);
+ }
+ else
+ {
+ return error("Saving of file '$virtual' failed'");
+ }
+}
+
+# exec_mkfile()
+#
+# Create a file and return to directory view
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_mkfile($$)
+{
+ 1;
+}
+
+# exec_mkdir()
+#
+# Create a directory and return to directory view
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_mkdir($$)
+{
+ 1;
+}
+
+# exec_workwithfile()
+#
+# Display a form for renaming/copying/deleting/unlocking a file
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_workwithfile($$)
+{
+ my ($data,$config) = @_;
+ my $physical = $data->{'physical'};
+ my $virtual = $data->{'virtual'};
+ my $unused = $data->{'uselist'}->unused($virtual);
+
+ my $output = htmlhead("Work with file $virtual");
+ $output .= equal_url($config->{'httproot'},$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);
+
+ $output .= <<END;
+<hr>
+
+<h2>Copy</h2>
+
+<p>Copy file '$virtual' to: <input type="text" name="newfilename" size="50"> <input type="submit" value="Copy!"></p>
+
+<hr>
+
+END
+
+ if($unused)
+ {
+ $output .= <<END;
+<h2>Move/rename</h2>
+
+<p>Move/Rename file '$virtual' to: <input type="text" name="newfilename" size="50"> <input type="submit" value="Move/Rename!"></p>
+
+<hr>
+
+<h2>Delete</h2>
+
+<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
+ }
+ else
+ {
+ $output .= <<END;
+<h2>Unlock file</h2>
+
+<p>Someone else is currently editing this file. At least, the file is marked so. Maybe, someone who was editing the file, has forgotten to unlock it. In this case (and <b>only</b> in this case) you can unlock the file using this button:</p>
+
+<form action="$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
+ }
+
+ $output .= "\n<hr>";
+ $output .= htmlfoot;
+
+ return \$output;
+}
+
+# exec_copy()
+#
+# Copy a file and return to directory view
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_copy($$)
+{
+ 1;
+}
+
+# exec_rename()
+#
+# Rename/move a file and return to directory view
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_rename($$)
+{
+ 1;
+}
+
+# exec_remove()
+#
+# Remove a file and return to directory view
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_remove($$)
+{
+ my ($data,$config) = @_;
+ my $physical = $data->{'physical'};
+ my $virtual = $data->{'virtual'};
+
+ return error_in_use($virtual) if($data->{'uselist'}->in_use($virtual));
+
+ my $dir = upper_path($virtual);
+
+ unlink($physical);
+
+ my $output = redirect("http://$ENV{'HTTP_HOST'}$script?command=show&file=$dir");
+ return \$output;
+}
+
+# exec_unlock()
+#
+# Remove a file from the list of used files and
+# return to directory view
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_unlock($$)
+{
+ my ($data,$config) = @_;
+ my $physical = $data->{'physical'};
+ my $virtual = $data->{'virtual'};
+ my $uselist = $data->{'uselist'};
+
+ my $dir = upper_path($virtual);
+
+ $uselist->remove_file($virtual);
+ $uselist->save;
+
+ my $output = redirect("http://$ENV{'HTTP_HOST'}$script?command=show&file=$dir");
+ return \$output;
+}
+
+# it's true, baby ;-)
+
+1;
+
+#
+### End ###
\ No newline at end of file