modules/Command.pm

   1 package Command;
   2
   3 #
   4 # Dev-Editor - Module Command
   5 #
   6 # Execute Dev-Editor's commands
   7 #
   8 # Author:        Patrick Canterino <patshaping@gmx.net>
   9 # Last modified: 2004-10-05
  10 #
  11
  12 use strict;
  13
  14 use vars qw(@EXPORT);
  15
  16 use File::Access;
  17 use File::Copy;
  18 use File::Path;
  19
  20 use POSIX qw(strftime);
  21 use Tool;
  22
  23 use CGI qw(header);
  24 use HTML::Entities;
  25 use Output;
  26 use Template;
  27
  28 my $script = $ENV{'SCRIPT_NAME'};
  29 my $users  = eval("getpwuid(0)") && eval("getgrgid(0)");
  30
  31 my %dispatch = ('show'       => \&exec_show,
  32                 'beginedit'  => \&exec_beginedit,
  33                 'canceledit' => \&exec_canceledit,
  34                 'endedit'    => \&exec_endedit,
  35                 'mkdir'      => \&exec_mkdir,
  36                 'mkfile'     => \&exec_mkfile,
  37                 'upload'     => \&exec_upload,
  38                 'copy'       => \&exec_copy,
  39                 'rename'     => \&exec_rename,
  40                 'remove'     => \&exec_remove,
  41                 'chprop'     => \&exec_chprop,
  42                 'unlock'     => \&exec_unlock,
  43                 'about'      => \&exec_about
  44                );
  45
  46 ### Export ###
  47
  48 use base qw(Exporter);
  49
  50 @EXPORT = qw(exec_command);
  51
  52 # exec_command()
  53 #
  54 # Execute the specified command
  55 #
  56 # Params: 1. Command to execute
  57 #         2. Reference to user input hash
  58 #         3. Reference to config hash
  59 #
  60 # Return: Output of the command (Scalar Reference)
  61
  62 sub exec_command($$$)
  63 {
  64  my ($command,$data,$config) = @_;
  65
  66  foreach(keys(%dispatch))
  67  {
  68   if(lc($_) eq lc($command))
  69   {
  70    my $output = &{$dispatch{$_}}($data,$config);
  71    return $output;
  72   }
  73  }
  74
  75  return error($config->{'errors'}->{'cmd_unknown'},'/',{COMMAND => $command});
  76 }
  77
  78 # exec_show()
  79 #
  80 # View a directory or a file
  81 #
  82 # Params: 1. Reference to user input hash
  83 #         2. Reference to config hash
  84 #
  85 # Return: Output of the command (Scalar Reference)
  86
  87 sub exec_show($$)
  88 {
  89  my ($data,$config) = @_;
  90  my $physical       = $data->{'physical'};
  91  my $virtual        = $data->{'virtual'};
  92  my $uselist        = $data->{'uselist'};
  93
  94  my $tpl = new Template;
  95
  96  if(-d $physical)
  97  {
  98   # Create directory listing
  99
 100   my $direntries = dir_read($physical);
 101   return error($config->{'dir_read_failed'},upper_path($virtual),{DIR => '$virtual'}) unless($direntries);
 102
 103   my $files = $direntries->{'files'};
 104   my $dirs  = $direntries->{'dirs'};
 105
 106   my $dirlist = "";
 107
 108   # Create the link to the upper directory
 109   # (only if we are not in the root directory)
 110
 111   unless($virtual eq "/")
 112   {
 113    my @stat  = stat($physical."/..");
 114
 115    my $udtpl = new Template;
 116    $udtpl->read_file($config->{'templates'}->{'dirlist_up'});
 117
 118    $udtpl->fillin("UPPER_DIR",encode_entities(upper_path($virtual)));
 119    $udtpl->fillin("DATE",strftime($config->{'timeformat'},localtime($stat[9])));
 120
 121    $dirlist .= $udtpl->get_template;
 122   }
 123
 124   # Directories
 125
 126   foreach my $dir(@$dirs)
 127   {
 128    my @stat      = stat($physical."/".$dir);
 129    my $virt_path = encode_entities($virtual.$dir."/");
 130
 131    my $dtpl = new Template;
 132    $dtpl->read_file($config->{'templates'}->{'dirlist_dir'});
 133
 134    $dtpl->fillin("DIR",$virt_path);
 135    $dtpl->fillin("DIR_NAME",$dir);
 136    $dtpl->fillin("DATE",strftime($config->{'timeformat'},localtime($stat[9])));
 137    $dtpl->fillin("URL",equal_url($config->{'httproot'},$virt_path));
 138
 139    $dtpl->parse_if_block("users",$users && -o $physical."/".$dir);
 140
 141    $dirlist .= $dtpl->get_template;
 142   }
 143
 144   # Files
 145
 146   foreach my $file(@$files)
 147   {
 148    my $phys_path = $physical."/".$file;
 149    my $virt_path = encode_entities($virtual.$file);
 150
 151    my @stat      = stat($phys_path);
 152    my $in_use    = $uselist->in_use($virtual.$file);
 153
 154    my $ftpl = new Template;
 155    $ftpl->read_file($config->{'templates'}->{'dirlist_file'});
 156
 157    $ftpl->fillin("FILE",$virt_path);
 158    $ftpl->fillin("FILE_NAME",$file);
 159    $ftpl->fillin("SIZE",$stat[7]);
 160    $ftpl->fillin("DATE",strftime($config->{'timeformat'},localtime($stat[9])));
 161    $ftpl->fillin("URL",equal_url($config->{'httproot'},$virt_path));
 162
 163    $ftpl->parse_if_block("not_readable",not -r $phys_path);
 164    $ftpl->parse_if_block("binary",-B $phys_path);
 165    $ftpl->parse_if_block("readonly",not -w $phys_path);
 166
 167    $ftpl->parse_if_block("viewable",-r $phys_path && -T $phys_path && not ($config->{'max_file_size'} && $stat[7] > $config->{'max_file_size'}));
 168
 169    $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);
 170
 171    $ftpl->parse_if_block("in_use",$in_use);
 172    $ftpl->parse_if_block("unused",not $in_use);
 173
 174    $ftpl->parse_if_block("too_large",$config->{'max_file_size'} && $stat[7] > $config->{'max_file_size'});
 175
 176    $ftpl->parse_if_block("users",$users && -o $phys_path);
 177
 178    $dirlist .= $ftpl->get_template;
 179   }
 180
 181   $tpl->read_file($config->{'templates'}->{'dirlist'});
 182
 183   $tpl->fillin("DIRLIST",$dirlist);
 184   $tpl->fillin("DIR",$virtual);
 185   $tpl->fillin("SCRIPT",$script);
 186   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 187  }
 188  else
 189  {
 190   # View a file
 191
 192   return error($config->{'errors'}->{'noview'},upper_path($virtual)) unless(-r $physical);
 193
 194   # Check on binary files
 195   # We have to do it in this way, or empty files
 196   # will be recognized as binary files
 197
 198   unless(-T $physical)
 199   {
 200    # Binary file
 201
 202    return error($config->{'errors'}->{'binary'},upper_path($virtual));
 203   }
 204   else
 205   {
 206    # Text file
 207
 208    my $size = (stat($physical))[7];
 209
 210    if($config->{'max_file_size'} && $size > $config->{'max_file_size'})
 211    {
 212     return error($config->{'errors'}->{'file_too_large'},upper_path($virtual),{SIZE => $config->{'max_file_size'}})
 213    }
 214    else
 215    {
 216     my $content =  file_read($physical);
 217     $$content   =~ s/\015\012|\012|\015/\n/g;
 218
 219     $tpl->read_file($config->{'templates'}->{'viewfile'});
 220
 221     $tpl->fillin("FILE",$virtual);
 222     $tpl->fillin("DIR",upper_path($virtual));
 223     $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 224     $tpl->fillin("SCRIPT",$script);
 225     $tpl->fillin("CONTENT",encode_entities($$content));
 226
 227     $tpl->parse_if_block("editable",-r $physical && -w $physical && -T $physical && not ($config->{'max_file_size'} && $size > $config->{'max_file_size'}) && $uselist->unused($virtual));
 228    }
 229   }
 230  }
 231
 232  my $output  = header(-type => "text/html");
 233  $output    .= $tpl->get_template;
 234
 235  return \$output;
 236 }
 237
 238 # exec_beginedit
 239 #
 240 # Lock a file and display a form to edit it
 241 #
 242 # Params: 1. Reference to user input hash
 243 #         2. Reference to config hash
 244 #
 245 # Return: Output of the command (Scalar Reference)
 246
 247 sub exec_beginedit($$)
 248 {
 249  my ($data,$config) = @_;
 250  my $physical       = $data->{'physical'};
 251  my $virtual        = $data->{'virtual'};
 252  my $uselist        = $data->{'uselist'};
 253
 254  return error($config->{'errors'}->{'editdir'},upper_path($virtual))                   if(-d $physical);
 255  return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($uselist->in_use($virtual));
 256  return error($config->{'errors'}->{'noedit'},upper_path($virtual))                    unless(-r $physical && -w $physical);
 257
 258  # Check on binary files
 259
 260  unless(-T $physical)
 261  {
 262   # Binary file
 263
 264   return error($config->{'errors'}->{'binary'},upper_path($virtual));
 265  }
 266  else
 267  {
 268   if($config->{'max_file_size'} && (stat($physical))[7] > $config->{'max_file_size'})
 269   {
 270    return error($config->{'errors'}->{'file_too_large'},upper_path($virtual),{SIZE => $config->{'max_file_size'}})
 271   }
 272   else
 273    {
 274    # Text file
 275
 276    $uselist->add_file($virtual);
 277    $uselist->save;
 278
 279    my $content =  file_read($physical);
 280    $$content   =~ s/\015\012|\012|\015/\n/g;
 281
 282    my $tpl = new Template;
 283    $tpl->read_file($config->{'templates'}->{'editfile'});
 284
 285    $tpl->fillin("FILE",$virtual);
 286    $tpl->fillin("DIR",upper_path($virtual));
 287    $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 288    $tpl->fillin("SCRIPT",$script);
 289    $tpl->fillin("CONTENT",encode_entities($$content));
 290
 291    my $output = header(-type => "text/html");
 292    $output   .= $tpl->get_template;
 293
 294    return \$output;
 295   }
 296  }
 297 }
 298
 299 # exec_canceledit()
 300 #
 301 # Abort file editing
 302 #
 303 # Params: 1. Reference to user input hash
 304 #         2. Reference to config hash
 305 #
 306 # Return: Output of the command (Scalar Reference)
 307
 308 sub exec_canceledit($$)
 309 {
 310  my ($data,$config) = @_;
 311  my $virtual        = $data->{'virtual'};
 312
 313  file_unlock($data->{'uselist'},$virtual);
 314  return devedit_reload({command => 'show', file => upper_path($virtual)});
 315 }
 316
 317 # exec_endedit()
 318 #
 319 # Save a file, unlock it and return to directory view
 320 #
 321 # Params: 1. Reference to user input hash
 322 #         2. Reference to config hash
 323 #
 324 # Return: Output of the command (Scalar Reference)
 325
 326 sub exec_endedit($$)
 327 {
 328  my ($data,$config) = @_;
 329  my $physical       = $data->{'physical'};
 330  my $virtual        = $data->{'virtual'};
 331  my $content        = $data->{'cgi'}->param('filecontent');
 332  my $uselist        = $data->{'uselist'};
 333
 334  # Normalize newlines
 335
 336  $content =~ s/\015\012|\012|\015/\n/g;
 337
 338  if($data->{'cgi'}->param('encode_iso'))
 339  {
 340   # Encode all ISO-8859-1 special chars
 341
 342   $content = encode_entities($content,"\200-\377");
 343  }
 344
 345  if($data->{'cgi'}->param('saveas') && $data->{'new_physical'} ne '' && $data->{'new_virtual'} ne '')
 346  {
 347   # Create the new filename
 348
 349   $physical = $data->{'new_physical'};
 350   $virtual  = $data->{'new_virtual'};
 351
 352   # Check if someone else is editing the new file
 353
 354   return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($uselist->in_use($virtual));
 355  }
 356
 357  return error($config->{'errors'}->{'text_to_binary'},upper_path($virtual)) unless(-T $physical);
 358  return error($config->{'errors'}->{'editdir'},upper_path($virtual))        if(-d $physical);
 359  return error($config->{'errors'}->{'noedit'}, upper_path($virtual))        if(-e $physical && !(-r $physical && -w $physical));
 360
 361  if(file_save($physical,\$content))
 362  {
 363   # Saving of the file was successful - so unlock it!
 364
 365   file_unlock($uselist,$data->{'virtual'});
 366   #                    ^^^^^^^^^^^^^^^^^^
 367   # Maybe the user saved the file using another filename...
 368   # But we have to unlock the original file!
 369
 370   return devedit_reload({command => 'show', file => upper_path($virtual)});
 371  }
 372  else
 373  {
 374   return error($config->{'errors'}->{'edit_failed'},upper_path($virtual),{FILE => $virtual});
 375  }
 376 }
 377
 378 # exec_mkfile()
 379 #
 380 # Create a file and return to directory view
 381 #
 382 # Params: 1. Reference to user input hash
 383 #         2. Reference to config hash
 384 #
 385 # Return: Output of the command (Scalar Reference)
 386
 387 sub exec_mkfile($$)
 388 {
 389  my ($data,$config) = @_;
 390  my $new_physical   = $data->{'new_physical'};
 391  my $new_virtual    = $data->{'new_virtual'};
 392  my $dir            = upper_path($new_virtual);
 393  $new_virtual       = encode_entities($new_virtual);
 394
 395  if($new_physical)
 396  {
 397   return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual}) if(-e $new_physical);
 398
 399   file_create($new_physical) or return error($config->{'errors'}->{'mkfile_failed'},$dir,{FILE => $new_virtual});
 400   return devedit_reload({command => 'show', file => $dir});
 401  }
 402  else
 403  {
 404   my $tpl = new Template;
 405   $tpl->read_file($config->{'templates'}->{'mkfile'});
 406
 407   $tpl->fillin("DIR","/");
 408   $tpl->fillin("SCRIPT",$script);
 409
 410   my $output = header(-type => "text/html");
 411   $output   .= $tpl->get_template;
 412
 413   return \$output;
 414  }
 415 }
 416
 417 # exec_mkdir()
 418 #
 419 # Create a directory and return to directory view
 420 #
 421 # Params: 1. Reference to user input hash
 422 #         2. Reference to config hash
 423 #
 424 # Return: Output of the command (Scalar Reference)
 425
 426 sub exec_mkdir($$)
 427 {
 428  my ($data,$config) = @_;
 429  my $new_physical   = $data->{'new_physical'};
 430  my $new_virtual    = $data->{'new_virtual'};
 431  my $dir            = upper_path($new_virtual);
 432  $new_virtual       = encode_entities($new_virtual);
 433
 434  return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual}) if(-e $new_physical);
 435
 436  if($new_physical)
 437  {
 438   mkdir($new_physical,0777) or return error($config->{'errors'}->{'mkdir_failed'},$dir,{DIR => $new_virtual});
 439   return devedit_reload({command => 'show', file => $dir});
 440  }
 441  else
 442  {
 443   my $tpl = new Template;
 444   $tpl->read_file($config->{'templates'}->{'mkdir'});
 445
 446   $tpl->fillin("DIR","/");
 447   $tpl->fillin("SCRIPT",$script);
 448
 449   my $output = header(-type => "text/html");
 450   $output   .= $tpl->get_template;
 451
 452   return \$output;
 453  }
 454 }
 455
 456 # exec_upload()
 457 #
 458 # Upload a file
 459 #
 460 # Params: 1. Reference to user input hash
 461 #         2. Reference to config hash
 462 #
 463 # Return: Output of the command (Scalar Reference)
 464
 465 sub exec_upload($$)
 466 {
 467  my ($data,$config) = @_;
 468  my $physical       = $data->{'physical'};
 469  my $virtual        = $data->{'virtual'};
 470  my $cgi            = $data->{'cgi'};
 471
 472  if(my $uploaded_file = $cgi->param('uploaded_file'))
 473  {
 474   # Process file upload
 475
 476   my $filename  = file_name($uploaded_file);
 477   my $file_phys = $physical."/".$filename;
 478   my $file_virt = $virtual."".$filename;
 479
 480   return error($config->{'errors'}->{'file_exists'},$virtual,{FILE => $file_virt}) if(-e $file_phys && not $cgi->param('overwrite'));
 481
 482   my $ascii     = $cgi->param('ascii');
 483   my $handle    = $cgi->upload('uploaded_file');
 484
 485   local *FILE;
 486
 487   open(FILE,">$file_phys") or return error($config->{'errors'}->{'mkfile_failed'},$virtual,{FILE => $file_virt});
 488   binmode(FILE) unless($ascii);
 489
 490   # Read transferred file and write it to disk
 491
 492   read($handle, my $data, -s $handle);
 493   $data =~ s/\015\012|\012|\015/\n/g if($ascii); # Replace line separators if transferring in ASCII mode
 494   print FILE $data;
 495
 496   close(FILE);
 497
 498   return devedit_reload({command => "show", file => $virtual});
 499  }
 500  else
 501  {
 502   my $tpl = new Template;
 503   $tpl->read_file($config->{'templates'}->{'upload'});
 504
 505   $tpl->fillin("DIR",$virtual);
 506   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 507   $tpl->fillin("SCRIPT",$script);
 508
 509   my $output = header(-type => "text/html");
 510   $output   .= $tpl->get_template;
 511
 512   return \$output;
 513  }
 514 }
 515
 516 # exec_copy()
 517 #
 518 # Copy a file and return to directory view
 519 #
 520 # Params: 1. Reference to user input hash
 521 #         2. Reference to config hash
 522 #
 523 # Return: Output of the command (Scalar Reference)
 524
 525 sub exec_copy($$)
 526 {
 527  my ($data,$config) = @_;
 528  my $physical       = $data->{'physical'};
 529  my $virtual        = encode_entities($data->{'virtual'});
 530  my $new_physical   = $data->{'new_physical'};
 531
 532  return error($config->{'errors'}->{'dircopy'}) if(-d $physical);
 533  return error($config->{'errors'}->{'nocopy'})  unless(-r $physical);
 534
 535  if($new_physical)
 536  {
 537   my $new_virtual = $data->{'new_virtual'};
 538   my $dir         = upper_path($new_virtual);
 539   $new_virtual    = encode_entities($new_virtual);
 540
 541   if(-e $new_physical)
 542   {
 543    return error($config->{'errors'}->{'exist_edited'},$dir,{FILE => $new_virtual}) if($data->{'uselist'}->in_use($data->{'new_virtual'}));
 544
 545    if(-d $new_physical)
 546    {
 547     return error($config->{'errors'}->{'dir_replace'},$dir);
 548    }
 549    elsif(not $data->{'cgi'}->param('confirmed'))
 550    {
 551     my $tpl = new Template;
 552     $tpl->read_file($config->{'templates'}->{'confirm_replace'});
 553
 554     $tpl->fillin("FILE",$virtual);
 555     $tpl->fillin("NEW_FILE",$new_virtual);
 556     $tpl->fillin("NEW_FILENAME",file_name($new_virtual));
 557     $tpl->fillin("NEW_DIR",$dir);
 558     $tpl->fillin("DIR",upper_path($virtual));
 559
 560     $tpl->fillin("COMMAND","copy");
 561     $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 562     $tpl->fillin("SCRIPT",$script);
 563
 564     my $output = header(-type => "text/html");
 565     $output   .= $tpl->get_template;
 566
 567     return \$output;
 568    }
 569   }
 570
 571   copy($physical,$new_physical) or return error($config->{'errors'}->{'copy_failed'},upper_path($virtual),{FILE => $virtual, NEW_FILE => $new_virtual});
 572   return devedit_reload({command => 'show', file => $dir});
 573  }
 574  else
 575  {
 576   my $tpl = new Template;
 577   $tpl->read_file($config->{'templates'}->{'copyfile'});
 578
 579   $tpl->fillin("FILE",$virtual);
 580   $tpl->fillin("DIR",upper_path($virtual));
 581   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 582   $tpl->fillin("SCRIPT",$script);
 583
 584   my $output = header(-type => "text/html");
 585   $output   .= $tpl->get_template;
 586
 587   return \$output;
 588  }
 589 }
 590
 591 # exec_rename()
 592 #
 593 # Rename/move a file and return to directory view
 594 #
 595 # Params: 1. Reference to user input hash
 596 #         2. Reference to config hash
 597 #
 598 # Return: Output of the command (Scalar Reference)
 599
 600 sub exec_rename($$)
 601 {
 602  my ($data,$config) = @_;
 603  my $physical       = $data->{'physical'};
 604  my $virtual        = $data->{'virtual'};
 605  my $new_physical   = $data->{'new_physical'};
 606
 607  return error($config->{'errors'}->{'rename_root'},"/") if($virtual eq "/");
 608  return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($data->{'uselist'}->in_use($virtual));
 609
 610  if($new_physical)
 611  {
 612   my $new_virtual = $data->{'new_virtual'};
 613   my $dir         = upper_path($new_virtual);
 614   $new_virtual    = encode_entities($new_virtual);
 615
 616   if(-e $new_physical)
 617   {
 618    return error($config->{'errors'}->{'exist_edited'},$dir,{FILE => $new_virtual}) if($data->{'uselist'}->in_use($data->{'new_virtual'}));
 619
 620    if(-d $new_physical)
 621    {
 622     return error($config->{'errors'}->{'dir_replace'},$dir);
 623    }
 624    elsif(not $data->{'cgi'}->param('confirmed'))
 625    {
 626     my $tpl = new Template;
 627     $tpl->read_file($config->{'templates'}->{'confirm_replace'});
 628
 629     $tpl->fillin("FILE",$virtual);
 630     $tpl->fillin("NEW_FILE",$new_virtual);
 631     $tpl->fillin("NEW_FILENAME",file_name($new_virtual));
 632     $tpl->fillin("NEW_DIR",$dir);
 633     $tpl->fillin("DIR",upper_path($virtual));
 634
 635     $tpl->fillin("COMMAND","rename");
 636     $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 637     $tpl->fillin("SCRIPT",$script);
 638
 639     my $output = header(-type => "text/html");
 640     $output   .= $tpl->get_template;
 641
 642     return \$output;
 643    }
 644   }
 645
 646   rename($physical,$new_physical) or return error($config->{'errors'}->{'rename_failed'},upper_path($virtual),{FILE => $virtual, NEW_FILE => $new_virtual});
 647   return devedit_reload({command => 'show', file => $dir});
 648  }
 649  else
 650  {
 651   my $tpl = new Template;
 652   $tpl->read_file($config->{'templates'}->{'renamefile'});
 653
 654   $tpl->fillin("FILE",$virtual);
 655   $tpl->fillin("DIR",upper_path($virtual));
 656   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 657   $tpl->fillin("SCRIPT",$script);
 658
 659   my $output = header(-type => "text/html");
 660   $output   .= $tpl->get_template;
 661
 662   return \$output;
 663  }
 664 }
 665
 666 # exec_remove()
 667 #
 668 # Remove a file or a directory and return to directory view
 669 #
 670 # Params: 1. Reference to user input hash
 671 #         2. Reference to config hash
 672 #
 673 # Return: Output of the command (Scalar Reference)
 674
 675 sub exec_remove($$)
 676 {
 677  my ($data,$config) = @_;
 678  my $physical       = $data->{'physical'};
 679  my $virtual        = $data->{'virtual'};
 680
 681  return error($config->{'errors'}->{'remove_root'},"/") if($virtual eq "/");
 682
 683  if(-d $physical)
 684  {
 685   # Remove a directory
 686
 687   if($data->{'cgi'}->param('confirmed'))
 688   {
 689    rmtree($physical);
 690    return devedit_reload({command => 'show', file => upper_path($virtual)});
 691   }
 692   else
 693   {
 694    my $tpl = new Template;
 695    $tpl->read_file($config->{'templates'}->{'confirm_rmdir'});
 696
 697    $tpl->fillin("DIR",$virtual);
 698    $tpl->fillin("UPPER_DIR",upper_path($virtual));
 699    $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 700    $tpl->fillin("SCRIPT",$script);
 701
 702    my $output = header(-type => "text/html");
 703    $output   .= $tpl->get_template;
 704
 705    return \$output;
 706   }
 707  }
 708  else
 709  {
 710   # Remove a file
 711
 712   return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($data->{'uselist'}->in_use($virtual));
 713
 714   if($data->{'cgi'}->param('confirmed'))
 715   {
 716    unlink($physical) or return error($config->{'errors'}->{'delete_failed'},upper_path($virtual),{FILE => $virtual});
 717    return devedit_reload({command => 'show', file => upper_path($virtual)});
 718   }
 719   else
 720   {
 721    my $tpl = new Template;
 722    $tpl->read_file($config->{'templates'}->{'confirm_rmfile'});
 723
 724    $tpl->fillin("FILE",$virtual);
 725    $tpl->fillin("DIR",upper_path($virtual));
 726    $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 727    $tpl->fillin("SCRIPT",$script);
 728
 729    my $output = header(-type => "text/html");
 730    $output   .= $tpl->get_template;
 731
 732    return \$output;
 733   }
 734  }
 735 }
 736
 737 # exec_chprop()
 738 #
 739 # Change the mode and the group of a file or a directory
 740 #
 741 # Params: 1. Reference to user input hash
 742 #         2. Reference to config hash
 743 #
 744 # Return: Output of the command (Scalar Reference)
 745
 746 sub exec_chprop($$)
 747 {
 748  my ($data,$config) = @_;
 749  my $physical       = $data->{'physical'};
 750  my $virtual        = $data->{'virtual'};
 751  my $dir            = upper_path($virtual);
 752  my $cgi            = $data->{'cgi'};
 753  my $mode           = $cgi->param('mode');
 754  my $group          = $cgi->param('group');
 755
 756  if($users)
 757  {
 758   if(-o $physical)
 759   {
 760    if($mode || $group)
 761    {
 762     if($mode)
 763     {
 764      my $oct_mode = $mode;
 765      $oct_mode    = "0".$oct_mode if(length($oct_mode) == 3);
 766      $oct_mode    = oct($oct_mode);
 767
 768      chmod($oct_mode,$physical);
 769     }
 770
 771     chgrp($group,$physical) if($group);
 772
 773     return devedit_reload({command => 'show', file => $dir});
 774    }
 775    else
 776    {
 777     my @stat     = stat($physical);
 778
 779     my $mode     = $stat[2];
 780     my $mode_oct = substr(sprintf("%04o",$mode),-4);
 781     my $gid      = $stat[5];
 782     my $group    = getgrgid($gid);
 783
 784     my $tpl = new Template;
 785     $tpl->read_file($config->{'templates'}->{'chprop'});
 786
 787     $tpl->fillin("MODE_OCTAL",$mode_oct);
 788     $tpl->fillin("MODE_STRING",mode_string($mode));
 789     $tpl->fillin("GID",$gid);
 790     $tpl->fillin("GROUP",$group);
 791
 792     $tpl->fillin("FILE",$virtual);
 793     $tpl->fillin("DIR",$dir);
 794     $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 795     $tpl->fillin("SCRIPT",$script);
 796
 797     my $output = header(-type => "text/html");
 798     $output   .= $tpl->get_template;
 799
 800     return \$output;
 801    }
 802   }
 803   else
 804   {
 805    return error($config->{'errors'}->{'not_owner'},$dir,{FILE => $virtual});
 806   }
 807  }
 808  else
 809  {
 810   return error($config->{'errors'}->{'no_users'},$dir,{FILE => $virtual});
 811  }
 812 }
 813
 814 # exec_unlock()
 815 #
 816 # Remove a file from the list of used files and
 817 # return to directory view
 818 #
 819 # Params: 1. Reference to user input hash
 820 #         2. Reference to config hash
 821 #
 822 # Return: Output of the command (Scalar Reference)
 823
 824 sub exec_unlock($$)
 825 {
 826  my ($data,$config) = @_;
 827  my $virtual        = $data->{'virtual'};
 828  my $uselist        = $data->{'uselist'};
 829
 830  return devedit_reload({command => 'show', file => upper_path($virtual)}) if($uselist->unused($virtual));
 831
 832  if($data->{'cgi'}->param('confirmed'))
 833  {
 834   file_unlock($uselist,$virtual);
 835   return devedit_reload({command => 'show', file => upper_path($virtual)});
 836  }
 837  else
 838  {
 839   my $tpl = new Template;
 840   $tpl->read_file($config->{'templates'}->{'confirm_unlock'});
 841
 842   $tpl->fillin("FILE",$virtual);
 843   $tpl->fillin("DIR",upper_path($virtual));
 844   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 845   $tpl->fillin("SCRIPT",$script);
 846
 847   my $output = header(-type => "text/html");
 848   $output   .= $tpl->get_template;
 849
 850   return \$output;
 851  }
 852 }
 853
 854 # exec_about()
 855 #
 856 # Display some information about Dev-Editor
 857 #
 858 # Params: 1. Reference to user input hash
 859 #         2. Reference to config hash
 860 #
 861 # Return: Output of the command (Scalar Reference)
 862
 863 sub exec_about($$)
 864 {
 865  my ($data,$config) = @_;
 866
 867  my $tpl = new Template;
 868  $tpl->read_file($config->{'templates'}->{'about'});
 869
 870  $tpl->fillin("SCRIPT",$script);
 871
 872  # Dev-Editor's version number
 873
 874  $tpl->fillin("VERSION",$data->{'version'});
 875
 876  # Some path information
 877
 878  $tpl->fillin("SCRIPT_PHYS",$ENV{'SCRIPT_FILENAME'});
 879  $tpl->fillin("CONFIG_PATH",$data->{'configfile'});
 880  $tpl->fillin("FILE_ROOT",$config->{'fileroot'});
 881  $tpl->fillin("HTTP_ROOT",$config->{'httproot'});
 882
 883  # Perl
 884
 885  $tpl->fillin("PERL_PROG",$^X);
 886  $tpl->fillin("PERL_VER",sprintf("%vd",$^V));
 887
 888  # Information about the server
 889
 890  $tpl->fillin("HTTPD",$ENV{'SERVER_SOFTWARE'});
 891  $tpl->fillin("OS",$^O);
 892  $tpl->fillin("TIME",strftime($config->{'timeformat'},localtime));
 893
 894  # Process information
 895
 896  $tpl->fillin("PID",$$);
 897
 898  # Check if the functions getpwuid() and getgrgid() are available
 899
 900  if($users)
 901  {
 902   # Dev-Editor is running on a system which allows users and groups
 903   # So we display the user and the group of our process
 904
 905   $tpl->parse_if_block("users",1);
 906
 907   # ID's of user and group
 908
 909   $tpl->fillin("UID",$<);
 910   $tpl->fillin("GID",$();
 911
 912   # Names of user and group
 913
 914   $tpl->fillin("USER",getpwuid($<));
 915   $tpl->fillin("GROUP",getgrgid($());
 916  }
 917  else
 918  {
 919   $tpl->parse_if_block("users",0);
 920  }
 921
 922  my $output = header(-type => "text/html");
 923  $output   .= $tpl->get_template;
 924
 925  return \$output;
 926 }
 927
 928 # it's true, baby ;-)
 929
 930 1;
 931
 932 #
 933 ### End ###