devedit.pl

   1 #!C:/Programme/Perl/bin/perl.exe -w
   2
   3 #
   4 # Dev-Editor 2.2a
   5 #
   6 # Dev-Editor's main program
   7 #
   8 # Author:        Patrick Canterino <patrick@patshaping.de>
   9 # Last modified: 2004-12-29
  10 #
  11
  12 use strict;
  13 use CGI::Carp qw(fatalsToBrowser);
  14
  15 use vars qw($VERSION);
  16 use lib 'modules';
  17
  18 use CGI;
  19 use Config::DevEdit;
  20 use File::UseList;
  21
  22 use Command;
  23 use Output;
  24 use Tool;
  25
  26 $VERSION = '2.2a';
  27
  28 # Path to configuration file
  29 # Change if necessary!
  30
  31 use constant CONFIGFILE => 'devedit.dat';
  32
  33 # Read the configuration file
  34
  35 my $config = read_config(CONFIGFILE);
  36 error_template($config->{'templates'}->{'error'}); # Yes, I'm lazy...
  37
  38 # Check if the root directory exists
  39
  40 abort($config->{'errors'}->{'no_root_dir'}) unless(-d $config->{'fileroot'});
  41
  42 # Check if we are able to access the root directory
  43
  44 abort($config->{'errors'}->{'no_root_access'}) unless(-r $config->{'fileroot'} && -x $config->{'fileroot'});
  45
  46 # Read the most important form data
  47
  48 my $cgi = new CGI;
  49
  50 my $command = $cgi->param('command') || 'show';
  51 my $file    = $cgi->param('file')    || '/';
  52 my $curdir  = $cgi->param('curdir')  || '';
  53 my $newfile = $cgi->param('newfile') || '';
  54
  55 # Create physical and virtual path for the new file
  56
  57 my $new_physical = '';
  58 my $new_virtual  = '';
  59
  60 if($newfile ne '' && $newfile !~ /^\s+$/)
  61 {
  62  $curdir  = upper_path($file) if($curdir eq '');
  63  my $path = clean_path($curdir.$newfile);
  64
  65  # Extract file and directory name...
  66
  67  my $file = file_name($path);
  68  my $dir  = upper_path($path);
  69
  70  # ... check if the directory exists ...
  71
  72  unless(-d clean_path($config->{'fileroot'}."/".$dir))
  73  {
  74   abort($config->{'errors'}->{'dir_not_exist'},"/");
  75  }
  76
  77  # ... and check if the path is above the root directory
  78
  79  unless(($new_physical,$new_virtual) = check_path($config->{'fileroot'},$dir))
  80  {
  81   abort($config->{'errors'}->{'create_ar'},"/");
  82  }
  83
  84  # Check if we have enough permissions to create a file
  85  # in this directory
  86
  87  unless(-r $new_physical && -w $new_physical && -x $new_physical)
  88  {
  89   abort($config->{'errors'}->{'dir_no_create'},"/",{DIR => $new_virtual});
  90  }
  91
  92  # Create the physical and the virtual path
  93
  94  $new_physical = File::Spec->canonpath($new_physical."/".$file);
  95  $new_virtual .= $file;
  96 }
  97
  98 # This check has to be performed first or abs_path() will be confused
  99
 100 if(-e clean_path($config->{'fileroot'}."/".$file))
 101 {
 102  if(my ($physical,$virtual) = check_path($config->{'fileroot'},$file))
 103  {
 104   # Create a File::UseList object and load the list
 105
 106   my $uselist = new File::UseList(listfile => $config->{'uselist_file'},
 107                                   lockfile => $config->{'lock_file'},
 108                                   timeout  => $config->{'lock_timeout'});
 109
 110   $uselist->lock or abort($config->{'errors'}->{'lock_failed'},undef,{USELIST => $uselist->{'listfile'}, LOCK_FILE => $uselist->{'lockfile'}});
 111   $uselist->load;
 112
 113   # Create a hash with data submitted by user
 114   # (some other necessary information will also be included)
 115
 116   my %data = (physical     => $physical,
 117               virtual      => $virtual,
 118               new_physical => $new_physical,
 119               new_virtual  => $new_virtual,
 120               uselist      => $uselist,
 121               cgi          => $cgi,
 122               version      => $VERSION,
 123               configfile   => CONFIGFILE);
 124
 125   my $output = exec_command($command,\%data,$config); # Execute the command...
 126
 127   $uselist->unlock; # ... unlock the list with files in use...
 128   print $$output;   # ... and show the output of the command
 129  }
 130  else
 131  {
 132   abort($config->{'errors'}->{'above_root'},"/");
 133  }
 134 }
 135 else
 136 {
 137  abort($config->{'errors'}->{'not_exist'},"/");
 138 }
 139
 140 #
 141 ### End ###