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 <patrick@patshaping.de>
   9 # Last modified: 2005-04-23
  10 #
  11
  12 use strict;
  13
  14 use vars qw(@EXPORT);
  15
  16 use Fcntl;
  17 use File::Access;
  18 use File::Copy;
  19 use File::Path;
  20
  21 use Digest::MD5 qw(md5_hex);
  22 use POSIX qw(strftime);
  23 use Tool;
  24
  25 use CGI qw(header
  26            escape);
  27
  28 use Output;
  29 use Template;
  30
  31 my $script = encode_html($ENV{'SCRIPT_NAME'});
  32 my $users  = eval('getpwuid(0)') && eval('getgrgid(0)');
  33
  34 my %dispatch = ('show'       => \&exec_show,
  35                 'beginedit'  => \&exec_beginedit,
  36                 'endedit'    => \&exec_endedit,
  37                 'mkdir'      => \&exec_mkdir,
  38                 'mkfile'     => \&exec_mkfile,
  39                 'upload'     => \&exec_upload,
  40                 'copy'       => \&exec_copy,
  41                 'rename'     => \&exec_rename,
  42                 'remove'     => \&exec_remove,
  43                 'chprop'     => \&exec_chprop,
  44                 'about'      => \&exec_about
  45                );
  46
  47 ### Export ###
  48
  49 use base qw(Exporter);
  50
  51 @EXPORT = qw(exec_command);
  52
  53 # exec_command()
  54 #
  55 # Execute the specified command
  56 #
  57 # Params: 1. Command to execute
  58 #         2. Reference to user input hash
  59 #         3. Reference to config hash
  60 #
  61 # Return: Output of the command (Scalar Reference)
  62
  63 sub exec_command($$$)
  64 {
  65  my ($command,$data,$config) = @_;
  66
  67  foreach(keys(%dispatch))
  68  {
  69   if(lc($_) eq lc($command))
  70   {
  71    my $output = &{$dispatch{$_}}($data,$config);
  72    return $output;
  73   }
  74  }
  75
  76  return error($config->{'errors'}->{'command_unknown'},'/',{COMMAND => encode_html($command)});
  77 }
  78
  79 # exec_show()
  80 #
  81 # View a directory or a file
  82 #
  83 # Params: 1. Reference to user input hash
  84 #         2. Reference to config hash
  85 #
  86 # Return: Output of the command (Scalar Reference)
  87
  88 sub exec_show($$)
  89 {
  90  my ($data,$config) = @_;
  91  my $physical       = $data->{'physical'};
  92  my $virtual        = $data->{'virtual'};
  93  my $upper_path     = multi_string(upper_path($virtual));
  94
  95  my $tpl = new Template;
  96
  97  if(-d $physical && not -l $physical)
  98  {
  99   # Create directory listing
 100
 101   return error($config->{'errors'}->{'no_dir_access'},$upper_path->{'normal'}) unless(-r $physical && -x $physical);
 102
 103   my $direntries = dir_read($physical);
 104   return error($config->{'errors'}->{'dir_read_fail'},$upper_path->{'normal'},{DIR => encode_html($virtual)}) unless($direntries);
 105
 106   my $files = $direntries->{'files'};
 107   my $dirs  = $direntries->{'dirs'};
 108
 109   my $dirlist = '';
 110
 111   my $filter1 = $data->{'cgi'}->param('filter') || '*';        # The real wildcard
 112   my $filter2 = ($filter1 && $filter1 ne '*') ? $filter1 : ''; # Wildcard for output
 113
 114   # Create the link to the upper directory
 115   # (only if the current directory is not the root directory)
 116
 117   unless($virtual eq '/')
 118   {
 119    my @stat  = stat($physical.'/..');
 120
 121    my $udtpl = new Template;
 122    $udtpl->read_file($config->{'templates'}->{'dirlist_up'});
 123
 124    $udtpl->fillin('UPPER_DIR',$upper_path->{'html'});
 125    $udtpl->fillin('UPPER_DIR_URL',$upper_path->{'url'});
 126    $udtpl->fillin('DATE',encode_html(strftime($config->{'timeformat'},($config->{'use_gmt'}) ? gmtime($stat[9]) : localtime($stat[9]))));
 127
 128    $dirlist .= $udtpl->get_template;
 129   }
 130
 131   # Directories
 132
 133   foreach my $dir(@$dirs)
 134   {
 135    next unless(dos_wildcard_match($filter1,$dir));
 136
 137    my $phys_path = $physical.'/'.$dir;
 138    my $virt_path = multi_string($virtual.$dir.'/');
 139
 140    my @stat      = stat($phys_path);
 141
 142    my $dtpl = new Template;
 143    $dtpl->read_file($config->{'templates'}->{'dirlist_dir'});
 144
 145    $dtpl->fillin('DIR',$virt_path->{'html'});
 146    $dtpl->fillin('DIR_URL',$virt_path->{'url'});
 147    $dtpl->fillin('DIR_NAME',encode_html($dir));
 148    $dtpl->fillin('DATE',encode_html(strftime($config->{'timeformat'},($config->{'use_gmt'}) ? gmtime($stat[9]) : localtime($stat[9]))));
 149    $dtpl->fillin('URL',equal_url(encode_html($config->{'httproot'}),$virt_path->{'html'}));
 150
 151    $dtpl->parse_if_block('readable',-r $phys_path && -x $phys_path);
 152    $dtpl->parse_if_block('users',$users && -o $phys_path);
 153
 154    $dirlist .= $dtpl->get_template;
 155   }
 156
 157   # Files
 158
 159   foreach my $file(@$files)
 160   {
 161    next unless(dos_wildcard_match($filter1,$file));
 162
 163    my $phys_path = $physical.'/'.$file;
 164    my $virt_path = multi_string($virtual.$file);
 165
 166    my @stat      = lstat($phys_path);
 167    my $too_large = $config->{'max_file_size'} && $stat[7] > $config->{'max_file_size'};
 168
 169    my $ftpl = new Template;
 170    $ftpl->read_file($config->{'templates'}->{'dirlist_file'});
 171
 172    $ftpl->fillin('FILE',$virt_path->{'html'});
 173    $ftpl->fillin('FILE_URL',$virt_path->{'url'});
 174    $ftpl->fillin('FILE_NAME',encode_html($file));
 175    $ftpl->fillin('FILE_URL',$virt_path->{'url'});
 176    $ftpl->fillin('SIZE',$stat[7]);
 177    $ftpl->fillin('DATE',encode_html(strftime($config->{'timeformat'},($config->{'use_gmt'}) ? gmtime($stat[9]) : localtime($stat[9]))));
 178    $ftpl->fillin('URL',equal_url(encode_html($config->{'httproot'}),$virt_path->{'html'}));
 179
 180    $ftpl->parse_if_block('link',-l $phys_path);
 181    $ftpl->parse_if_block('no_link',not -l $phys_path);
 182    $ftpl->parse_if_block('not_readable',not -r $phys_path);
 183    $ftpl->parse_if_block('binary',-B $phys_path);
 184    $ftpl->parse_if_block('readonly',not -w $phys_path);
 185
 186    $ftpl->parse_if_block('viewable',(-r $phys_path && -T $phys_path && not $too_large) || -l $phys_path);
 187    $ftpl->parse_if_block('editable',(-r $phys_path && -w $phys_path && -T $phys_path && not $too_large) && not -l $phys_path);
 188
 189    $ftpl->parse_if_block('too_large',$config->{'max_file_size'} && $stat[7] > $config->{'max_file_size'});
 190
 191    $ftpl->parse_if_block('users',$users && -o $phys_path);
 192
 193    $dirlist .= $ftpl->get_template;
 194   }
 195
 196   $tpl->read_file($config->{'templates'}->{'dirlist'});
 197
 198   $tpl->fillin('DIRLIST',$dirlist);
 199   $tpl->fillin('DIR',encode_html($virtual));
 200   $tpl->fillin('DIR_URL',escape($virtual));
 201   $tpl->fillin('SCRIPT',$script);
 202   $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 203
 204   $tpl->fillin('FILTER',encode_html($filter2));
 205   $tpl->fillin('FILTER_URL',escape($filter2));
 206
 207   $tpl->parse_if_block('empty',$dirlist eq '');
 208   $tpl->parse_if_block('dir_writeable',-w $physical);
 209   $tpl->parse_if_block('filter',$filter2);
 210   $tpl->parse_if_block('gmt',$config->{'use_gmt'});
 211  }
 212  elsif(-l $physical)
 213  {
 214   # Show the target of a symbolic link
 215
 216   my $link_target = readlink($physical);
 217
 218   $tpl->read_file($config->{'templates'}->{'viewlink'});
 219
 220   $tpl->fillin('FILE',encode_html($virtual));
 221   $tpl->fillin('DIR',$upper_path->{'html'});
 222   $tpl->fillin('DIR_URL',$upper_path->{'url'});
 223   $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 224   $tpl->fillin('SCRIPT',$script);
 225
 226   $tpl->fillin('LINK_TARGET',encode_html($link_target));
 227  }
 228  else
 229  {
 230   # View a file
 231
 232   return error($config->{'errors'}->{'no_view'},$upper_path->{'normal'}) unless(-r $physical);
 233
 234   # Check on binary files
 235   # We have to do it in this way or empty files will be recognized
 236   # as binary files
 237
 238   return error($config->{'errors'}->{'binary_file'},$upper_path->{'normal'}) unless(-T $physical);
 239
 240   # Is the file too large?
 241
 242   return error($config->{'errors'}->{'file_too_large'},$upper_path->{'normal'},{SIZE => $config->{'max_file_size'}}) if($config->{'max_file_size'} && -s $physical > $config->{'max_file_size'});
 243
 244   # View the file
 245
 246   my $content =  file_read($physical);
 247   $$content   =~ s/\015\012|\012|\015/\n/g;
 248
 249   $tpl->read_file($config->{'templates'}->{'viewfile'});
 250
 251   $tpl->fillin('FILE',encode_html($virtual));
 252   $tpl->fillin('FILE_URL',escape($virtual));
 253   $tpl->fillin('DIR',$upper_path->{'html'});
 254   $tpl->fillin('DIR_URL',$upper_path->{'url'});
 255   $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 256   $tpl->fillin('SCRIPT',$script);
 257
 258   $tpl->parse_if_block('editable',-w $physical);
 259
 260   $tpl->fillin('CONTENT',encode_html($$content));
 261  }
 262
 263  my $output  = header(-type => 'text/html');
 264  $output    .= $tpl->get_template;
 265
 266  return \$output;
 267 }
 268
 269 # exec_beginedit
 270 #
 271 # Lock a file and display a form to edit it
 272 #
 273 # Params: 1. Reference to user input hash
 274 #         2. Reference to config hash
 275 #
 276 # Return: Output of the command (Scalar Reference)
 277
 278 sub exec_beginedit($$)
 279 {
 280  my ($data,$config) = @_;
 281  my $physical       = $data->{'physical'};
 282  my $virtual        = $data->{'virtual'};
 283  my $dir            = upper_path($virtual);
 284
 285  return error($config->{'errors'}->{'link_edit'},$dir) if(-l $physical);
 286  return error($config->{'errors'}->{'dir_edit'}, $dir) if(-d $physical);
 287  return error($config->{'errors'}->{'no_edit'},  $dir) unless(-r $physical && -w $physical);
 288
 289  # Check on binary files
 290
 291  return error($config->{'errors'}->{'binary_file'},$dir) unless(-T $physical);
 292
 293  # Is the file too large?
 294
 295  return error($config->{'errors'}->{'file_too_large'},$dir,{SIZE => $config->{'max_file_size'}}) if($config->{'max_file_size'} && -s $physical > $config->{'max_file_size'});
 296
 297  # Show the editing form
 298
 299  my $content =  file_read($physical);
 300  my $md5sum  =  md5_hex($$content);
 301  $$content   =~ s/\015\012|\012|\015/\n/g;
 302
 303  my $tpl = new Template;
 304  $tpl->read_file($config->{'templates'}->{'editfile'});
 305
 306  $tpl->fillin('FILE',encode_html($virtual));
 307  $tpl->fillin('FILE_URL',escape($virtual));
 308  $tpl->fillin('DIR',encode_html($dir));
 309  $tpl->fillin('DIR_URL',escape($dir));
 310  $tpl->fillin('URL',equal_url($config->{'httproot'},$virtual));
 311  $tpl->fillin('SCRIPT',$script);
 312  $tpl->fillin('MD5SUM',$md5sum);
 313  $tpl->fillin('CONTENT',encode_html($$content));
 314
 315  $tpl->parse_if_block('error',0);
 316
 317  my $output = header(-type => 'text/html');
 318  $output   .= $tpl->get_template;
 319
 320  return \$output;
 321 }
 322
 323 # exec_endedit()
 324 #
 325 # Save a file, unlock it and return to directory view
 326 #
 327 # Params: 1. Reference to user input hash
 328 #         2. Reference to config hash
 329 #
 330 # Return: Output of the command (Scalar Reference)
 331
 332 sub exec_endedit($$)
 333 {
 334  my ($data,$config) = @_;
 335  my $physical       = $data->{'physical'};
 336  my $virtual        = $data->{'virtual'};
 337  my $dir            = upper_path($virtual);
 338  my $cgi            = $data->{'cgi'};
 339  my $content        = $cgi->param('filecontent');
 340  my $md5sum         = $cgi->param('md5sum');
 341  my $output;
 342
 343  if(defined $content && $md5sum)
 344  {
 345   # Normalize newlines
 346
 347   $content =~ s/\015\012|\012|\015/\n/g;
 348
 349   if($cgi->param('saveas') && $data->{'new_physical'} ne '' && $data->{'new_virtual'} ne '')
 350   {
 351    # Create the new filename
 352
 353    $physical = $data->{'new_physical'};
 354    $virtual  = $data->{'new_virtual'};
 355   }
 356
 357   return error($config->{'errors'}->{'link_edit'},$dir)      if(-l $physical);
 358   return error($config->{'errors'}->{'dir_edit'},$dir)       if(-d $physical);
 359   return error($config->{'errors'}->{'no_edit'},$dir)        if(-e $physical && !(-r $physical && -w $physical));
 360   return error($config->{'errors'}->{'text_to_binary'},$dir) if(-e $physical && not -T $physical);
 361
 362   # For technical reasons, we can't use file_save() for
 363   # saving the file...
 364
 365   local *FILE;
 366
 367   sysopen(FILE,$physical,O_RDWR | O_CREAT) or return error($config->{'errors'}->{'edit_failed'},$dir,{FILE => $virtual});
 368   file_lock(*FILE,LOCK_EX)                 or do { close(FILE); return error($config->{'errors'}->{'edit_failed'},$dir,{FILE => $virtual}) };
 369
 370   my $md5 = new Digest::MD5;
 371   $md5->addfile(*FILE);
 372
 373   my $md5file = $md5->hexdigest;
 374   my $md5data = md5_hex($content);
 375
 376   if($md5file ne $md5sum && $md5data ne $md5file && not $cgi->param('saveas'))
 377   {
 378    # The file changed meanwhile
 379
 380    my $tpl = new Template;
 381    $tpl->read_file($config->{'templates'}->{'editfile'});
 382
 383    $tpl->fillin('ERROR',$config->{'errors'}->{'edit_file_changed'});
 384
 385    $tpl->fillin('FILE',encode_html($virtual));
 386    $tpl->fillin('FILE_URL',escape($virtual));
 387    $tpl->fillin('DIR',encode_html($dir));
 388    $tpl->fillin('DIR_URL',escape($dir));
 389    $tpl->fillin('URL',equal_url($config->{'httproot'},$virtual));
 390    $tpl->fillin('SCRIPT',$script);
 391    $tpl->fillin('MD5SUM',$md5file);
 392    $tpl->fillin('CONTENT',encode_html($content));
 393
 394    $tpl->parse_if_block('error',1);
 395
 396    my $data = header(-type => 'text/html');
 397    $data   .= $tpl->get_template;
 398
 399    $output  = \$data;
 400   }
 401   else
 402   {
 403    if($md5data ne $md5file)
 404    {
 405     seek(FILE,0,0);
 406     truncate(FILE,0);
 407
 408     print FILE $content;
 409    }
 410
 411    $output = devedit_reload({command => 'show', file => $dir});
 412   }
 413
 414   close(FILE);
 415
 416   return $output;
 417  }
 418
 419  return devedit_reload({command => 'beginedit', file => $virtual});
 420 }
 421
 422 # exec_mkfile()
 423 #
 424 # Create a file and return to directory view
 425 #
 426 # Params: 1. Reference to user input hash
 427 #         2. Reference to config hash
 428 #
 429 # Return: Output of the command (Scalar Reference)
 430
 431 sub exec_mkfile($$)
 432 {
 433  my ($data,$config) = @_;
 434  my $new_physical   = $data->{'new_physical'};
 435  my $new_virtual    = $data->{'new_virtual'};
 436  my $dir            = upper_path($new_virtual);
 437  $new_virtual       = encode_html($new_virtual);
 438
 439  if($new_physical)
 440  {
 441   return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual}) if(-e $new_physical);
 442
 443   file_create($new_physical) or return error($config->{'errors'}->{'mkfile_failed'},$dir,{FILE => $new_virtual});
 444   return devedit_reload({command => 'show', file => $dir});
 445  }
 446  else
 447  {
 448   my $tpl = new Template;
 449   $tpl->read_file($config->{'templates'}->{'mkfile'});
 450
 451   $tpl->fillin('DIR','/');
 452   $tpl->fillin('SCRIPT',$script);
 453
 454   my $output = header(-type => 'text/html');
 455   $output   .= $tpl->get_template;
 456
 457   return \$output;
 458  }
 459 }
 460
 461 # exec_mkdir()
 462 #
 463 # Create a directory and return to directory view
 464 #
 465 # Params: 1. Reference to user input hash
 466 #         2. Reference to config hash
 467 #
 468 # Return: Output of the command (Scalar Reference)
 469
 470 sub exec_mkdir($$)
 471 {
 472  my ($data,$config) = @_;
 473  my $new_physical   = $data->{'new_physical'};
 474  my $new_virtual    = $data->{'new_virtual'};
 475  my $dir            = upper_path($new_virtual);
 476  $new_virtual       = encode_html($new_virtual);
 477
 478  if($new_physical)
 479  {
 480   return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual}) if(-e $new_physical);
 481
 482   mkdir($new_physical,0777) or return error($config->{'errors'}->{'mkdir_failed'},$dir,{DIR => $new_virtual});
 483   return devedit_reload({command => 'show', file => $dir});
 484  }
 485  else
 486  {
 487   my $tpl = new Template;
 488   $tpl->read_file($config->{'templates'}->{'mkdir'});
 489
 490   $tpl->fillin('DIR','/');
 491   $tpl->fillin('SCRIPT',$script);
 492
 493   my $output = header(-type => 'text/html');
 494   $output   .= $tpl->get_template;
 495
 496   return \$output;
 497  }
 498 }
 499
 500 # exec_upload()
 501 #
 502 # Process a file upload
 503 #
 504 # Params: 1. Reference to user input hash
 505 #         2. Reference to config hash
 506 #
 507 # Return: Output of the command (Scalar Reference)
 508
 509 sub exec_upload($$)
 510 {
 511  my ($data,$config) = @_;
 512  my $physical       = $data->{'physical'};
 513  my $virtual        = $data->{'virtual'};
 514  my $cgi            = $data->{'cgi'};
 515
 516  return error($config->{'errors'}->{'no_directory'},upper_path($virtual),{FILE => $virtual}) unless(-d $physical && not -l $physical);
 517  return error($config->{'errors'}->{'dir_no_create'},$virtual,{DIR => $virtual})             unless(-w $physical);
 518
 519  if(my $uploaded_file = $cgi->param('uploaded_file'))
 520  {
 521   # Process file upload
 522
 523   my $filename  = file_name($uploaded_file);
 524   my $file_phys = $physical.'/'.$filename;
 525   my $file_virt = encode_html($virtual.$filename);
 526
 527   if(-e $file_phys)
 528   {
 529    return error($config->{'errors'}->{'link_replace'},$virtual)                        if(-l $file_phys);
 530    return error($config->{'errors'}->{'dir_replace'},$virtual)                         if(-d $file_phys);
 531    return error($config->{'errors'}->{'exist_no_write'},$virtual,{FILE => $file_virt}) unless(-w $file_phys);
 532    return error($config->{'errors'}->{'file_exists'},$virtual,{FILE => $file_virt})    unless($cgi->param('overwrite'));
 533   }
 534
 535   my $ascii  = $cgi->param('ascii');
 536   my $handle = $cgi->upload('uploaded_file');
 537
 538   return error($config->{'errors'}->{'invalid_upload'},$virtual) unless($handle);
 539
 540   # Read transferred file and write it to disk
 541
 542   read($handle, my $data, -s $handle);
 543   $data =~ s/\015\012|\012|\015/\n/g if($ascii); # Replace line separators if transferring in ASCII mode
 544   file_save($file_phys,\$data,not $ascii) or return error($config->{'errors'}->{'mkfile_failed'},$virtual,{FILE => $file_virt});
 545
 546   return devedit_reload({command => 'show', file => $virtual});
 547  }
 548  else
 549  {
 550   my $tpl = new Template;
 551   $tpl->read_file($config->{'templates'}->{'upload'});
 552
 553   $tpl->fillin('DIR',encode_html($virtual));
 554   $tpl->fillin('DIR_URL',escape($virtual));
 555   $tpl->fillin('URL',equal_url($config->{'httproot'},$virtual));
 556   $tpl->fillin('SCRIPT',$script);
 557
 558   my $output = header(-type => 'text/html');
 559   $output   .= $tpl->get_template;
 560
 561   return \$output;
 562  }
 563 }
 564
 565 # exec_copy()
 566 #
 567 # Copy a file and return to directory view
 568 #
 569 # Params: 1. Reference to user input hash
 570 #         2. Reference to config hash
 571 #
 572 # Return: Output of the command (Scalar Reference)
 573
 574 sub exec_copy($$)
 575 {
 576  my ($data,$config) = @_;
 577  my $physical       = $data->{'physical'};
 578  my $virtual        = $data->{'virtual'};
 579  my $dir            = upper_path($virtual);
 580  my $new_physical   = $data->{'new_physical'};
 581
 582  return error($config->{'errors'}->{'link_copy'},$dir) if(-l $physical);
 583  return error($config->{'errors'}->{'dir_copy'},$dir)  if(-d $physical);
 584  return error($config->{'errors'}->{'no_copy'},$dir)   unless(-r $physical);
 585
 586  if($new_physical)
 587  {
 588   my $new_virtual = multi_string($data->{'new_virtual'});
 589   my $new_dir     = upper_path($new_virtual->{'normal'});
 590
 591   if(-e $new_physical)
 592   {
 593    return error($config->{'errors'}->{'link_replace'},$new_dir)                                    if(-l $new_physical);
 594    return error($config->{'errors'}->{'dir_replace'},$new_dir)                                     if(-d $new_physical);
 595    return error($config->{'errors'}->{'exist_no_write'},$new_dir,{FILE => $new_virtual->{'html'}}) unless(-w $new_physical);
 596
 597    if(not $data->{'cgi'}->param('confirmed'))
 598    {
 599     my $tpl = new Template;
 600     $tpl->read_file($config->{'templates'}->{'confirm_replace'});
 601
 602     $tpl->fillin('FILE',encode_html($virtual));
 603     $tpl->fillin('NEW_FILE',$new_virtual->{'html'});
 604     $tpl->fillin('NEW_FILENAME',file_name($new_virtual->{'html'}));
 605     $tpl->fillin('NEW_DIR',encode_html($new_dir));
 606     $tpl->fillin('DIR',encode_html($dir));
 607     $tpl->fillin('DIR_URL',escape($dir));
 608
 609     $tpl->fillin('COMMAND','copy');
 610     $tpl->fillin('URL',equal_url($config->{'httproot'},$virtual));
 611     $tpl->fillin('SCRIPT',$script);
 612
 613     my $output = header(-type => 'text/html');
 614     $output   .= $tpl->get_template;
 615
 616     return \$output;
 617    }
 618   }
 619
 620   copy($physical,$new_physical) or return error($config->{'errors'}->{'copy_failed'},$dir,{FILE => encode_html($virtual), NEW_FILE => $new_virtual->{'html'}});
 621   return devedit_reload({command => 'show', file => $new_dir});
 622  }
 623  else
 624  {
 625   my $tpl = new Template;
 626   $tpl->read_file($config->{'templates'}->{'copyfile'});
 627
 628   $tpl->fillin('FILE',encode_html($virtual));
 629   $tpl->fillin('DIR',encode_html($dir));
 630   $tpl->fillin('DIR_URL',escape($dir));
 631   $tpl->fillin('URL',equal_url($config->{'httproot'},encode_html($virtual)));
 632   $tpl->fillin('SCRIPT',$script);
 633
 634   my $output = header(-type => 'text/html');
 635   $output   .= $tpl->get_template;
 636
 637   return \$output;
 638  }
 639 }
 640
 641 # exec_rename()
 642 #
 643 # Rename/move a file and return to directory view
 644 #
 645 # Params: 1. Reference to user input hash
 646 #         2. Reference to config hash
 647 #
 648 # Return: Output of the command (Scalar Reference)
 649
 650 sub exec_rename($$)
 651 {
 652  my ($data,$config) = @_;
 653  my $physical       = $data->{'physical'};
 654  my $virtual        = $data->{'virtual'};
 655  my $dir            = upper_path($virtual);
 656  my $new_physical   = $data->{'new_physical'};
 657
 658  return error($config->{'errors'}->{'rename_root'},'/') if($virtual eq '/');
 659  return error($config->{'errors'}->{'no_rename'},$dir)  unless(-w upper_path($physical));
 660
 661  if($new_physical)
 662  {
 663   my $new_virtual = $data->{'new_virtual'};
 664   my $new_dir     = upper_path($new_virtual);
 665   $new_virtual    = encode_html($new_virtual);
 666
 667   if(-e $new_physical)
 668   {
 669    return error($config->{'errors'}->{'dir_replace'},$new_dir)                           if(-d $new_physical && not -l $new_physical);
 670    return error($config->{'errors'}->{'exist_no_write'},$new_dir,{FILE => $new_virtual}) unless(-w $new_physical);
 671
 672    if(not $data->{'cgi'}->param('confirmed'))
 673    {
 674     my $tpl = new Template;
 675     $tpl->read_file($config->{'templates'}->{'confirm_replace'});
 676
 677     $tpl->fillin('FILE',$virtual);
 678     $tpl->fillin('NEW_FILE',$new_virtual);
 679     $tpl->fillin('NEW_FILENAME',file_name($new_virtual));
 680     $tpl->fillin('NEW_DIR',$new_dir);
 681     $tpl->fillin('DIR',$dir);
 682
 683     $tpl->fillin('COMMAND','rename');
 684     $tpl->fillin('URL',equal_url($config->{'httproot'},$virtual));
 685     $tpl->fillin('SCRIPT',$script);
 686
 687     my $output = header(-type => 'text/html');
 688     $output   .= $tpl->get_template;
 689
 690     return \$output;
 691    }
 692   }
 693
 694   move($physical,$new_physical) or return error($config->{'errors'}->{'rename_failed'},$dir,{FILE => $virtual, NEW_FILE => $new_virtual});
 695   return devedit_reload({command => 'show', file => $new_dir});
 696  }
 697  else
 698  {
 699   my $tpl = new Template;
 700   $tpl->read_file($config->{'templates'}->{'renamefile'});
 701
 702   $tpl->fillin('FILE',$virtual);
 703   $tpl->fillin('DIR',encode_html($dir));
 704   $tpl->fillin('DIR_URL',escape($dir));
 705   $tpl->fillin('URL',equal_url($config->{'httproot'},$virtual));
 706   $tpl->fillin('SCRIPT',$script);
 707
 708   my $output = header(-type => 'text/html');
 709   $output   .= $tpl->get_template;
 710
 711   return \$output;
 712  }
 713 }
 714
 715 # exec_remove()
 716 #
 717 # Remove a file or a directory and return to directory view
 718 #
 719 # Params: 1. Reference to user input hash
 720 #         2. Reference to config hash
 721 #
 722 # Return: Output of the command (Scalar Reference)
 723
 724 sub exec_remove($$)
 725 {
 726  my ($data,$config) = @_;
 727  my $physical       = $data->{'physical'};
 728  my $virtual        = $data->{'virtual'};
 729  my $dir            = upper_path($virtual);
 730
 731  return error($config->{'errors'}->{'remove_root'},'/') if($virtual eq '/');
 732  return error($config->{'errors'}->{'no_delete'},$dir)  unless(-w upper_path($physical));
 733
 734  if(-d $physical && not -l $physical)
 735  {
 736   # Remove a directory
 737
 738   if($data->{'cgi'}->param('confirmed'))
 739   {
 740    rmtree($physical);
 741    return devedit_reload({command => 'show', file => $dir});
 742   }
 743   else
 744   {
 745    my $tpl = new Template;
 746    $tpl->read_file($config->{'templates'}->{'confirm_rmdir'});
 747
 748    $tpl->fillin('DIR',encode_html($virtual));
 749    $tpl->fillin('DIR_URL',escape($virtual));
 750    $tpl->fillin('UPPER_DIR',encode_html($dir));
 751    $tpl->fillin('UPPER_DIR_URL',escape($dir));
 752    $tpl->fillin('URL',equal_url($config->{'httproot'},encode_html($virtual)));
 753    $tpl->fillin('SCRIPT',$script);
 754
 755    my $output = header(-type => 'text/html');
 756    $output   .= $tpl->get_template;
 757
 758    return \$output;
 759   }
 760  }
 761  else
 762  {
 763   # Remove a file
 764
 765   if($data->{'cgi'}->param('confirmed'))
 766   {
 767    unlink($physical) or return error($config->{'errors'}->{'delete_failed'},$dir,{FILE => $virtual});
 768    return devedit_reload({command => 'show', file => $dir});
 769   }
 770   else
 771   {
 772    my $tpl = new Template;
 773    $tpl->read_file($config->{'templates'}->{'confirm_rmfile'});
 774
 775    $tpl->fillin('FILE',encode_html($virtual));
 776    $tpl->fillin('FILE_URL',escape($virtual));
 777    $tpl->fillin('DIR',encode_html($dir));
 778    $tpl->fillin('DIR_URL',escape($dir));
 779    $tpl->fillin('URL',equal_url($config->{'httproot'},encode_html($virtual)));
 780    $tpl->fillin('SCRIPT',$script);
 781
 782    my $output = header(-type => 'text/html');
 783    $output   .= $tpl->get_template;
 784
 785    return \$output;
 786   }
 787  }
 788 }
 789
 790 # exec_chprop()
 791 #
 792 # Change the mode and the group of a file or a directory
 793 #
 794 # Params: 1. Reference to user input hash
 795 #         2. Reference to config hash
 796 #
 797 # Return: Output of the command (Scalar Reference)
 798
 799 sub exec_chprop($$)
 800 {
 801  my ($data,$config) = @_;
 802  my $physical       = $data->{'physical'};
 803  my $virtual        = $data->{'virtual'};
 804  my $dir            = upper_path($virtual);
 805
 806  return error($config->{'errors'}->{'no_users'},$dir,{FILE => encode_html($virtual)})  unless($users);
 807  return error($config->{'errors'}->{'chprop_root'},'/')                                if($virtual eq '/');
 808  return error($config->{'errors'}->{'not_owner'},$dir,{FILE => encode_html($virtual)}) unless(-o $physical);
 809  return error($config->{'errors'}->{'chprop_link'},$dir)                               if(-l $physical);
 810
 811  my $cgi   = $data->{'cgi'};
 812  my $mode  = $cgi->param('mode');
 813  my $group = $cgi->param('group');
 814
 815  if($mode || $group)
 816  {
 817   if($mode)
 818   {
 819    # Change the mode
 820
 821    chmod(oct($mode),$physical);
 822   }
 823
 824   if($group)
 825   {
 826    # Change the group using the `chgrp` system command
 827
 828    return error($config->{'errors'}->{'invalid_group'},$dir,{GROUP => encode_html($group)}) unless($group =~ /^[a-z0-9_]+[a-z0-9_-]*$/i);
 829    system('chgrp',$group,$physical);
 830   }
 831
 832   return devedit_reload({command => 'show', file => $dir});
 833  }
 834  else
 835  {
 836   # Display the form
 837
 838   my @stat = stat($physical);
 839   my $mode = $stat[2];
 840   my $gid  = $stat[5];
 841
 842   my $tpl = new Template;
 843   $tpl->read_file($config->{'templates'}->{'chprop'});
 844
 845   # Insert file properties into the template
 846
 847   $tpl->fillin('MODE_OCTAL',substr(sprintf('%04o',$mode),-4));
 848   $tpl->fillin('MODE_STRING',mode_string($mode));
 849   $tpl->fillin('GID',$gid);
 850
 851   if(my $group = getgrgid($gid))
 852   {
 853    $tpl->fillin('GROUP',encode_html($group));
 854    $tpl->parse_if_block('group_detected',1);
 855   }
 856   else
 857   {
 858    $tpl->parse_if_block('group_detected',0);
 859   }
 860
 861   # Insert other information
 862
 863   $tpl->fillin('FILE',encode_html($virtual));
 864   $tpl->fillin('FILE_URL',escape($virtual));
 865   $tpl->fillin('DIR',encode_html($dir));
 866   $tpl->fillin('DIR_URL',escape($dir));
 867   $tpl->fillin('URL',equal_url($config->{'httproot'},encode_html($virtual)));
 868   $tpl->fillin('SCRIPT',$script);
 869
 870   my $output = header(-type => 'text/html');
 871   $output   .= $tpl->get_template;
 872
 873   return \$output;
 874  }
 875 }
 876
 877 # exec_about()
 878 #
 879 # Display some information about Dev-Editor
 880 #
 881 # Params: 1. Reference to user input hash
 882 #         2. Reference to config hash
 883 #
 884 # Return: Output of the command (Scalar Reference)
 885
 886 sub exec_about($$)
 887 {
 888  my ($data,$config) = @_;
 889
 890  my $tpl = new Template;
 891  $tpl->read_file($config->{'templates'}->{'about'});
 892
 893  $tpl->fillin('SCRIPT',$script);
 894
 895  # Dev-Editor's version number
 896
 897  $tpl->fillin('VERSION',$data->{'version'});
 898
 899  # Some path information
 900
 901  $tpl->fillin('SCRIPT_PHYS',encode_html($ENV{'SCRIPT_FILENAME'}));
 902  $tpl->fillin('CONFIG_PATH',encode_html($data->{'configfile'}));
 903  $tpl->fillin('FILE_ROOT',  encode_html($config->{'fileroot'}));
 904  $tpl->fillin('HTTP_ROOT',  encode_html($config->{'httproot'}));
 905
 906  # Perl
 907
 908  $tpl->fillin('PERL_PROG',encode_html($^X));
 909  $tpl->fillin('PERL_VER', sprintf('%vd',$^V));
 910
 911  # Information about the server
 912
 913  $tpl->fillin('HTTPD',encode_html($ENV{'SERVER_SOFTWARE'}));
 914  $tpl->fillin('OS',   encode_html($^O));
 915  $tpl->fillin('TIME', encode_html(strftime($config->{'timeformat'},($config->{'use_gmt'}) ? gmtime : localtime)));
 916
 917  $tpl->parse_if_block('gmt',$config->{'use_gmt'});
 918
 919  # Process information
 920
 921  $tpl->fillin('PID',$$);
 922
 923  # The following information is only available on systems supporting
 924  # users and groups
 925
 926  if($users)
 927  {
 928   # Dev-Editor is running on a system which allows users and groups
 929   # So we display the user and the group of our process
 930
 931   my $uid = POSIX::getuid;
 932   my $gid = POSIX::getgid;
 933
 934   $tpl->parse_if_block('users',1);
 935
 936   # ID's of user and group
 937
 938   $tpl->fillin('UID',$uid);
 939   $tpl->fillin('GID',$gid);
 940
 941   # Names of user and group
 942
 943   if(my $user = getpwuid($uid))
 944   {
 945    $tpl->fillin('USER',encode_html($user));
 946    $tpl->parse_if_block('user_detected',1);
 947   }
 948   else
 949   {
 950    $tpl->parse_if_block('user_detected',0);
 951   }
 952
 953   if(my $group = getgrgid($gid))
 954   {
 955    $tpl->fillin('GROUP',encode_html($group));
 956    $tpl->parse_if_block('group_detected',1);
 957   }
 958   else
 959   {
 960    $tpl->parse_if_block('group_detected',0);
 961   }
 962
 963   # Process umask
 964
 965   $tpl->fillin('UMASK',sprintf('%04o',umask));
 966  }
 967  else
 968  {
 969   $tpl->parse_if_block('users',0);
 970  }
 971
 972  my $output = header(-type => 'text/html');
 973  $output   .= $tpl->get_template;
 974
 975  return \$output;
 976 }
 977
 978 # it's true, baby ;-)
 979
 980 1;
 981
 982 #
 983 ### End ###