devedit.pl

   1 #!C:/Programme/Perl/bin/perl.exe -w
   2
   3 #
   4 # Dev-Editor 1.1
   5 #
   6 # Dev-Editor's main program
   7 #
   8 # Author:        Patrick Canterino <patshaping@gmx.net>
   9 # Last modified: 2003-12-02
  10 #
  11
  12 use strict;
  13 use CGI::Carp qw(fatalsToBrowser);
  14
  15 use vars qw(%config);
  16
  17 use lib 'modules';
  18
  19 use CGI;
  20 use Command;
  21 use File::UseList;
  22 use Output;
  23 use Tool;
  24
  25 ### Settings ###
  26
  27 %config = (
  28            fileroot     => 'D:/Server/WWW/dokumente/devedit-test',
  29            httproot     => '/devedit-test/',
  30            timeformat   => '%d.%m.%Y %H:%M',
  31            uselist_file => 'uselist',
  32            lock_file    => 'uselist.lock',
  33            lock_timeout => '10'
  34           );
  35
  36 ### End Settings ###
  37
  38 # Read the most important form data
  39
  40 my $cgi = new CGI;
  41
  42 my $command = $cgi->param('command') || 'show';
  43 my $file    = $cgi->param('file')    || '/';
  44 my $curdir  = $cgi->param('curdir')  || '';
  45 my $newfile = $cgi->param('newfile') || '';
  46
  47 # Create physical and virtual path for the new file
  48 # This section has to be optimized - ugh!
  49
  50 my $new_physical = '';
  51 my $new_virtual  = '';
  52
  53 if($newfile ne '')
  54 {
  55  $curdir  = upper_path($file) if($curdir eq '');
  56  my $path = clean_path($curdir.$newfile);
  57
  58  # Extract file and directory name...
  59
  60  my $file = file_name($path);
  61  my $dir  = upper_path($path);
  62
  63  # ... check if the directory exists ...
  64
  65  unless(-d clean_path($config{'fileroot'}."/".$dir))
  66  {
  67   abort("The directory where you want to create this file or directory doesn't exist.");
  68  }
  69
  70  # ... and check if the path is above the root directory
  71
  72  unless(($new_physical,$new_virtual) = check_path($config{'fileroot'},$dir))
  73  {
  74   abort("You aren't allowed to create files and directories above the virtual root directory.");
  75  }
  76
  77  # Create the physical and the virtual path
  78
  79  $new_physical = File::Spec->canonpath($new_physical."/".$file);
  80  $new_virtual .= $file;
  81 }
  82
  83 # This check has to be performed first, or abs_path() will be confused
  84
  85 if(-e clean_path($config{'fileroot'}."/".$file))
  86 {
  87  if(my ($physical,$virtual) = check_path($config{'fileroot'},$file))
  88  {
  89   # Create a File::UseList object and load the list
  90
  91   my $uselist = new File::UseList(listfile => $config{'uselist_file'},
  92                                   lockfile => $config{'lock_file'},
  93                                   timeout  => $config{'lock_timeout'});
  94
  95   $uselist->lock or abort("Locking of $config{'uselist_file'} failed. Try it again in a moment. If the problem persists, ask someone to recreate the lock file ($config{'lock_file'}).");
  96   $uselist->load;
  97
  98   # Create a hash with data submitted by user
  99   # (the CGI and the File::UseList object will also be included)
 100
 101   my %data = (physical     => $physical,
 102               virtual      => $virtual,
 103               new_physical => $new_physical,
 104               new_virtual  => $new_virtual,
 105               uselist      => $uselist,
 106               cgi          => $cgi);
 107
 108   my $output = exec_command($command,\%data,\%config); # Execute the command...
 109
 110   $uselist->unlock; # ... unlock the list with files in use...
 111   print $$output;   # ... and print the output of the command
 112  }
 113  else
 114  {
 115   abort("Accessing files and directories above the virtual root directory is forbidden.");
 116  }
 117 }
 118 else
 119 {
 120  abort("File/directory does not exist.");
 121 }
 122
 123 #
 124 ### End ###