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: 2004-08-29
  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($$)
 327 {
 328  my ($data,$config) = @_;
 329  my $physical       = $data->{'physical'};
 330  my $virtual        = $data->{'virtual'};
 331  my $content        = $data->{'cgi'}->param('filecontent');
 332  my $uselist        = $data->{'uselist'};
 333
 334  # Normalize newlines
 335
 336  $content =~ s/\015\012|\012|\015/\n/g;
 337
 338  if($data->{'cgi'}->param('encode_iso'))
 339  {
 340   # Encode all ISO-8859-1 special chars
 341
 342   $content = encode_entities($content,"\200-\377");
 343  }
 344
 345  if($data->{'cgi'}->param('saveas'))
 346  {
 347   # Create the new filename
 348
 349   $physical = $data->{'new_physical'};
 350   $virtual  = $data->{'new_virtual'};
 351
 352   # Check if someone else is editing the new file
 353
 354   return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($uselist->in_use($virtual));
 355  }
 356
 357  return error($config->{'errors'}->{'editdir'},upper_path($virtual)) if(-d $physical);
 358  return error($config->{'errors'}->{'noedit'}, upper_path($virtual)) unless(-r $physical && -w $physical);
 359
 360  if(file_save($physical,\$content))
 361  {
 362   # Saving of the file was successful - so unlock it!
 363
 364   file_unlock($uselist,$data->{'virtual'});
 365   #                    ^^^^^^^^^^^^^^^^^^
 366   # Maybe the user saved the file using another filename...
 367   # But we have to unlock the original file!
 368
 369   return devedit_reload({command => 'show', file => upper_path($virtual)});
 370  }
 371  else
 372  {
 373   return error($config->{'errors'}->{'edit_failed'},upper_path($virtual),{FILE => $virtual});
 374  }
 375 }
 376
 377 # exec_mkfile()
 378 #
 379 # Create a file and return to directory view
 380 #
 381 # Params: 1. Reference to user input hash
 382 #         2. Reference to config hash
 383 #
 384 # Return: Output of the command (Scalar Reference)
 385
 386 sub exec_mkfile($$)
 387 {
 388  my ($data,$config) = @_;
 389  my $new_physical   = $data->{'new_physical'};
 390  my $new_virtual    = $data->{'new_virtual'};
 391  my $dir            = upper_path($new_virtual);
 392  $new_virtual       = encode_entities($new_virtual);
 393
 394  if($new_physical)
 395  {
 396   return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual}) if(-e $new_physical);
 397
 398   file_create($new_physical) or return error($config->{'errors'}->{'mkfile_failed'},$dir,{FILE => $new_virtual});
 399   return devedit_reload({command => 'show', file => $dir});
 400  }
 401  else
 402  {
 403   my $tpl = new Template;
 404   $tpl->read_file($config->{'templates'}->{'mkfile'});
 405
 406   $tpl->fillin("DIR","/");
 407   $tpl->fillin("SCRIPT",$script);
 408
 409   my $output = header(-type => "text/html");
 410   $output   .= $tpl->get_template;
 411
 412   return \$output;
 413  }
 414 }
 415
 416 # exec_mkdir()
 417 #
 418 # Create a directory and return to directory view
 419 #
 420 # Params: 1. Reference to user input hash
 421 #         2. Reference to config hash
 422 #
 423 # Return: Output of the command (Scalar Reference)
 424
 425 sub exec_mkdir($$)
 426 {
 427  my ($data,$config) = @_;
 428  my $new_physical   = $data->{'new_physical'};
 429  my $new_virtual    = $data->{'new_virtual'};
 430  my $dir            = upper_path($new_virtual);
 431  $new_virtual       = encode_entities($new_virtual);
 432
 433  return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual}) if(-e $new_physical);
 434
 435  if($new_physical)
 436  {
 437   mkdir($new_physical,0777) or return error($config->{'errors'}->{'mkdir_failed'},$dir,{DIR => $new_virtual});
 438   return devedit_reload({command => 'show', file => $dir});
 439  }
 440  else
 441  {
 442   my $tpl = new Template;
 443   $tpl->read_file($config->{'templates'}->{'mkdir'});
 444
 445   $tpl->fillin("DIR","/");
 446   $tpl->fillin("SCRIPT",$script);
 447
 448   my $output = header(-type => "text/html");
 449   $output   .= $tpl->get_template;
 450
 451   return \$output;
 452  }
 453 }
 454
 455 # exec_upload()
 456 #
 457 # Upload a file
 458 #
 459 # Params: 1. Reference to user input hash
 460 #         2. Reference to config hash
 461 #
 462 # Return: Output of the command (Scalar Reference)
 463
 464 sub exec_upload($$)
 465 {
 466  my ($data,$config) = @_;
 467  my $physical       = $data->{'physical'};
 468  my $virtual        = $data->{'virtual'};
 469  my $cgi            = $data->{'cgi'};
 470
 471  if(my $uploaded_file = $cgi->param('uploaded_file'))
 472  {
 473   # Process file upload
 474
 475   my $filename  = file_name($uploaded_file);
 476   my $file_phys = $physical."/".$filename;
 477   my $file_virt = $virtual."".$filename;
 478
 479   return error($config->{'errors'}->{'file_exists'},$virtual,{FILE => $file_virt}) if(-e $file_phys && not $cgi->param('overwrite'));
 480
 481   my $ascii     = $cgi->param('ascii');
 482   my $handle    = $cgi->upload('uploaded_file');
 483
 484   local *FILE;
 485
 486   open(FILE,">$file_phys") or return error($config->{'errors'}->{'mkfile_failed'},$virtual,{FILE => $file_virt});
 487   binmode(FILE) unless($ascii);
 488
 489   # Read transferred file and write it to disk
 490
 491   read($handle, my $data, -s $handle);
 492   $data =~ s/\015\012|\012|\015/\n/g if($ascii); # Replace line separators if transferring in ASCII mode
 493   print FILE $data;
 494
 495   close(FILE);
 496
 497   return devedit_reload({command => "show", file => $virtual});
 498  }
 499  else
 500  {
 501   my $tpl = new Template;
 502   $tpl->read_file($config->{'templates'}->{'upload'});
 503
 504   $tpl->fillin("DIR",$virtual);
 505   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 506   $tpl->fillin("SCRIPT",$script);
 507
 508   my $output = header(-type => "text/html");
 509   $output   .= $tpl->get_template;
 510
 511   return \$output;
 512  }
 513 }
 514
 515 # exec_copy()
 516 #
 517 # Copy a file and return to directory view
 518 #
 519 # Params: 1. Reference to user input hash
 520 #         2. Reference to config hash
 521 #
 522 # Return: Output of the command (Scalar Reference)
 523
 524 sub exec_copy($$)
 525 {
 526  my ($data,$config) = @_;
 527  my $physical       = $data->{'physical'};
 528  my $virtual        = encode_entities($data->{'virtual'});
 529  my $new_physical   = $data->{'new_physical'};
 530
 531  return error($config->{'errors'}->{'nocopy'}) unless(-r $physical);
 532
 533  if($new_physical)
 534  {
 535   my $new_virtual = $data->{'new_virtual'};
 536   my $dir         = upper_path($new_virtual);
 537   $new_virtual    = encode_entities($new_virtual);
 538
 539   if(-e $new_physical)
 540   {
 541    return error($config->{'errors'}->{'exist_edited'},$dir,{FILE => $new_virtual}) if($data->{'uselist'}->in_use($data->{'new_virtual'}));
 542
 543    if(-d $new_physical)
 544    {
 545     return error($config->{'errors'}->{'dircopy'});
 546    }
 547    elsif(not $data->{'cgi'}->param('confirmed'))
 548    {
 549     my $tpl = new Template;
 550     $tpl->read_file($config->{'templates'}->{'confirm_replace'});
 551
 552     $tpl->fillin("FILE",$virtual);
 553     $tpl->fillin("NEW_FILE",$new_virtual);
 554     $tpl->fillin("NEW_FILENAME",file_name($new_virtual));
 555     $tpl->fillin("NEW_DIR",$dir);
 556     $tpl->fillin("DIR",upper_path($virtual));
 557
 558     $tpl->fillin("COMMAND","copy");
 559     $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 560     $tpl->fillin("SCRIPT",$script);
 561
 562     my $output = header(-type => "text/html");
 563     $output   .= $tpl->get_template;
 564
 565     return \$output;
 566    }
 567   }
 568
 569   copy($physical,$new_physical) or return error($config->{'errors'}->{'copy_failed'},upper_path($virtual),{FILE => $virtual, NEW_FILE => $new_virtual});
 570   return devedit_reload({command => 'show', file => $dir});
 571  }
 572  else
 573  {
 574   my $tpl = new Template;
 575   $tpl->read_file($config->{'templates'}->{'copyfile'});
 576
 577   $tpl->fillin("FILE",$virtual);
 578   $tpl->fillin("DIR",upper_path($virtual));
 579   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 580   $tpl->fillin("SCRIPT",$script);
 581
 582   my $output = header(-type => "text/html");
 583   $output   .= $tpl->get_template;
 584
 585   return \$output;
 586  }
 587 }
 588
 589 # exec_rename()
 590 #
 591 # Rename/move a file and return to directory view
 592 #
 593 # Params: 1. Reference to user input hash
 594 #         2. Reference to config hash
 595 #
 596 # Return: Output of the command (Scalar Reference)
 597
 598 sub exec_rename($$)
 599 {
 600  my ($data,$config) = @_;
 601  my $physical       = $data->{'physical'};
 602  my $virtual        = $data->{'virtual'};
 603  my $new_physical   = $data->{'new_physical'};
 604
 605  return error($config->{'errors'}->{'rename_root'},"/") if($virtual eq "/");
 606  return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($data->{'uselist'}->in_use($virtual));
 607
 608  if($new_physical)
 609  {
 610   my $new_virtual = $data->{'new_virtual'};
 611   my $dir         = upper_path($new_virtual);
 612   $new_virtual    = encode_entities($new_virtual);
 613
 614   if(-e $new_physical)
 615   {
 616    return error($config->{'errors'}->{'exist_edited'},$dir,{FILE => $new_virtual}) if($data->{'uselist'}->in_use($data->{'new_virtual'}));
 617
 618    if(-d $new_physical)
 619    {
 620     return error($config->{'errors'}->{'dircopy'});
 621    }
 622    elsif(not $data->{'cgi'}->param('confirmed'))
 623    {
 624     my $tpl = new Template;
 625     $tpl->read_file($config->{'templates'}->{'confirm_replace'});
 626
 627     $tpl->fillin("FILE",$virtual);
 628     $tpl->fillin("NEW_FILE",$new_virtual);
 629     $tpl->fillin("NEW_FILENAME",file_name($new_virtual));
 630     $tpl->fillin("NEW_DIR",$dir);
 631     $tpl->fillin("DIR",upper_path($virtual));
 632
 633     $tpl->fillin("COMMAND","rename");
 634     $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 635     $tpl->fillin("SCRIPT",$script);
 636
 637     my $output = header(-type => "text/html");
 638     $output   .= $tpl->get_template;
 639
 640     return \$output;
 641    }
 642   }
 643
 644   rename($physical,$new_physical) or return error($config->{'errors'}->{'rename_failed'},upper_path($virtual),{FILE => $virtual, NEW_FILE => $new_virtual});
 645   return devedit_reload({command => 'show', file => $dir});
 646  }
 647  else
 648  {
 649   my $tpl = new Template;
 650   $tpl->read_file($config->{'templates'}->{'renamefile'});
 651
 652   $tpl->fillin("FILE",$virtual);
 653   $tpl->fillin("DIR",upper_path($virtual));
 654   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 655   $tpl->fillin("SCRIPT",$script);
 656
 657   my $output = header(-type => "text/html");
 658   $output   .= $tpl->get_template;
 659
 660   return \$output;
 661  }
 662 }
 663
 664 # exec_remove()
 665 #
 666 # Remove a file or a directory and return to directory view
 667 #
 668 # Params: 1. Reference to user input hash
 669 #         2. Reference to config hash
 670 #
 671 # Return: Output of the command (Scalar Reference)
 672
 673 sub exec_remove($$)
 674 {
 675  my ($data,$config) = @_;
 676  my $physical       = $data->{'physical'};
 677  my $virtual        = $data->{'virtual'};
 678
 679  return error($config->{'errors'}->{'remove_root'},"/") if($virtual eq "/");
 680
 681  if(-d $physical)
 682  {
 683   # Remove a directory
 684
 685   if($data->{'cgi'}->param('confirmed'))
 686   {
 687    rmtree($physical);
 688    return devedit_reload({command => 'show', file => upper_path($virtual)});
 689   }
 690   else
 691   {
 692    my $tpl = new Template;
 693    $tpl->read_file($config->{'templates'}->{'confirm_rmdir'});
 694
 695    $tpl->fillin("DIR",$virtual);
 696    $tpl->fillin("UPPER_DIR",upper_path($virtual));
 697    $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 698    $tpl->fillin("SCRIPT",$script);
 699
 700    my $output = header(-type => "text/html");
 701    $output   .= $tpl->get_template;
 702
 703    return \$output;
 704   }
 705  }
 706  else
 707  {
 708   # Remove a file
 709
 710   return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($data->{'uselist'}->in_use($virtual));
 711
 712   if($data->{'cgi'}->param('confirmed'))
 713   {
 714    unlink($physical) or return error($config->{'errors'}->{'delete_failed'},upper_path($virtual),{FILE => $virtual});
 715    return devedit_reload({command => 'show', file => upper_path($virtual)});
 716   }
 717   else
 718   {
 719    my $tpl = new Template;
 720    $tpl->read_file($config->{'templates'}->{'confirm_rmfile'});
 721
 722    $tpl->fillin("FILE",$virtual);
 723    $tpl->fillin("DIR",upper_path($virtual));
 724    $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 725    $tpl->fillin("SCRIPT",$script);
 726
 727    my $output = header(-type => "text/html");
 728    $output   .= $tpl->get_template;
 729
 730    return \$output;
 731   }
 732  }
 733 }
 734
 735 # exec_chprop()
 736 #
 737 # Change the mode and the group of a file or a directory
 738 #
 739 # Params: 1. Reference to user input hash
 740 #         2. Reference to config hash
 741 #
 742 # Return: Output of the command (Scalar Reference)
 743
 744 sub exec_chprop($$)
 745 {
 746  my ($data,$config) = @_;
 747  my $physical       = $data->{'physical'};
 748  my $virtual        = $data->{'virtual'};
 749  my $dir            = upper_path($virtual);
 750  my $cgi            = $data->{'cgi'};
 751  my $mode           = $cgi->param('mode');
 752  my $group          = $cgi->param('group');
 753
 754  if($users)
 755  {
 756   if(-o $physical)
 757   {
 758    if($mode || $group)
 759    {
 760     if($mode)
 761     {
 762      my $oct_mode = $mode;
 763      $oct_mode    = "0".$oct_mode if(length($oct_mode) == 3);
 764      $oct_mode    = oct($oct_mode);
 765
 766      chmod($oct_mode,$physical);
 767     }
 768
 769     chgrp($group,$physical) if($group);
 770
 771     return devedit_reload({command => 'show', file => $dir});
 772    }
 773    else
 774    {
 775     my @stat     = stat($physical);
 776
 777     my $mode     = $stat[2];
 778     my $mode_oct = substr(sprintf("%04o",$mode),-4);
 779     my $gid      = $stat[5];
 780     my $group    = getgrgid($gid);
 781
 782     my $tpl = new Template;
 783     $tpl->read_file($config->{'templates'}->{'chprop'});
 784
 785     $tpl->fillin("MODE_OCTAL",$mode_oct);
 786     $tpl->fillin("MODE_STRING",mode_string($mode));
 787     $tpl->fillin("GID",$gid);
 788     $tpl->fillin("GROUP",$group);
 789
 790     $tpl->fillin("FILE",$virtual);
 791     $tpl->fillin("DIR",$dir);
 792     $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 793     $tpl->fillin("SCRIPT",$script);
 794
 795     my $output = header(-type => "text/html");
 796     $output   .= $tpl->get_template;
 797
 798     return \$output;
 799    }
 800   }
 801   else
 802   {
 803    return error($config->{'errors'}->{'not_owner'},$dir,{FILE => $virtual});
 804   }
 805  }
 806  else
 807  {
 808   return error($config->{'errors'}->{'no_users'},$dir,{FILE => $virtual});
 809  }
 810 }
 811
 812 # exec_unlock()
 813 #
 814 # Remove a file from the list of used files and
 815 # return to directory view
 816 #
 817 # Params: 1. Reference to user input hash
 818 #         2. Reference to config hash
 819 #
 820 # Return: Output of the command (Scalar Reference)
 821
 822 sub exec_unlock($$)
 823 {
 824  my ($data,$config) = @_;
 825  my $virtual        = $data->{'virtual'};
 826
 827  if($data->{'cgi'}->param('confirmed'))
 828  {
 829   file_unlock($data->{'uselist'},$virtual);
 830   return devedit_reload({command => 'show', file => upper_path($virtual)});
 831  }
 832  else
 833  {
 834   my $tpl = new Template;
 835   $tpl->read_file($config->{'templates'}->{'confirm_unlock'});
 836
 837   $tpl->fillin("FILE",$virtual);
 838   $tpl->fillin("DIR",upper_path($virtual));
 839   $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
 840   $tpl->fillin("SCRIPT",$script);
 841
 842   my $output = header(-type => "text/html");
 843   $output   .= $tpl->get_template;
 844
 845   return \$output;
 846  }
 847 }
 848
 849 # exec_about()
 850 #
 851 # Display some information about Dev-Editor
 852 #
 853 # Params: 1. Reference to user input hash
 854 #         2. Reference to config hash
 855 #
 856 # Return: Output of the command (Scalar Reference)
 857
 858 sub exec_about($$)
 859 {
 860  my ($data,$config) = @_;
 861
 862  my $tpl = new Template;
 863  $tpl->read_file($config->{'templates'}->{'about'});
 864
 865  $tpl->fillin("SCRIPT",$script);
 866
 867  # Dev-Editor's version number
 868
 869  $tpl->fillin("VERSION",$data->{'version'});
 870
 871  # Some path information
 872
 873  $tpl->fillin("SCRIPT_PHYS",$ENV{'SCRIPT_FILENAME'});
 874  $tpl->fillin("CONFIG_PATH",$data->{'configfile'});
 875  $tpl->fillin("FILE_ROOT",$config->{'fileroot'});
 876  $tpl->fillin("HTTP_ROOT",$config->{'httproot'});
 877
 878  # Perl
 879
 880  $tpl->fillin("PERL_PROG",$^X);
 881  $tpl->fillin("PERL_VER",sprintf("%vd",$^V));
 882
 883  # Information about the server
 884
 885  $tpl->fillin("HTTPD",$ENV{'SERVER_SOFTWARE'});
 886  $tpl->fillin("OS",$^O);
 887  $tpl->fillin("TIME",strftime($config->{'timeformat'},localtime));
 888
 889  # Process information
 890
 891  $tpl->fillin("PID",$$);
 892
 893  # Check if the functions getpwuid() and getgrgid() are available
 894
 895  if($users)
 896  {
 897   # Dev-Editor is running on a system which allows users and groups
 898   # So we display the user and the group of our process
 899
 900   $tpl->parse_if_block("users",1);
 901
 902   # ID's of user and group
 903
 904   $tpl->fillin("UID",$<);
 905   $tpl->fillin("GID",$();
 906
 907   # Names of user and group
 908
 909   $tpl->fillin("USER",getpwuid($<));
 910   $tpl->fillin("GROUP",getgrgid($());
 911  }
 912  else
 913  {
 914   $tpl->parse_if_block("users",0);
 915  }
 916
 917  my $output = header(-type => "text/html");
 918  $output   .= $tpl->get_template;
 919
 920  return \$output;
 921 }
 922
 923 # it's true, baby ;-)
 924
 925 1;
 926
 927 #
 928 ### End ###