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: 2005-07-06
  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($config->{'errors'}->{'dir_read_failed'},$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    $dtpl->parse_if_block('forbidden',is_forbidden_file($config->{'forbidden'},$virt_path->{'normal'}));
 152    $dtpl->parse_if_block('readable',-r $phys_path && -x $phys_path);
 153    $dtpl->parse_if_block('users',$users && -o $phys_path);
 154
 155    $dirlist .= $dtpl->get_template;
 156   }
 157
 158   # Files
 159
 160   foreach my $file(@$files)
 161   {
 162    next unless(dos_wildcard_match($filter1,$file));
 163
 164    my $phys_path = $physical.'/'.$file;
 165    my $virt_path = multi_string($virtual.$file);
 166
 167    my @stat      = lstat($phys_path);
 168    my $too_large = $config->{'max_file_size'} && $stat[7] > $config->{'max_file_size'};
 169
 170    my $ftpl = new Template;
 171    $ftpl->read_file($config->{'templates'}->{'dirlist_file'});
 172
 173    $ftpl->fillin('FILE',$virt_path->{'html'});
 174    $ftpl->fillin('FILE_URL',$virt_path->{'url'});
 175    $ftpl->fillin('FILE_NAME',encode_html($file));
 176    $ftpl->fillin('FILE_URL',$virt_path->{'url'});
 177    $ftpl->fillin('SIZE',$stat[7]);
 178    $ftpl->fillin('DATE',encode_html(strftime($config->{'timeformat'},($config->{'use_gmt'}) ? gmtime($stat[9]) : localtime($stat[9]))));
 179    $ftpl->fillin('URL',equal_url(encode_html($config->{'httproot'}),$virt_path->{'html'}));
 180
 181    $ftpl->parse_if_block('link',-l $phys_path);
 182    $ftpl->parse_if_block('readable',-r $phys_path);
 183    $ftpl->parse_if_block('writeable',-w $phys_path);
 184    $ftpl->parse_if_block('binary',-B $phys_path);
 185
 186    $ftpl->parse_if_block('forbidden',is_forbidden_file($config->{'forbidden'},$virt_path->{'normal'}));
 187    $ftpl->parse_if_block('viewable',(-r $phys_path && -T $phys_path && not $too_large) || -l $phys_path);
 188    $ftpl->parse_if_block('editable',(-r $phys_path && -w $phys_path && -T $phys_path && not $too_large) && not -l $phys_path);
 189
 190    $ftpl->parse_if_block('too_large',$config->{'max_file_size'} && $stat[7] > $config->{'max_file_size'});
 191
 192    $ftpl->parse_if_block('users',$users && -o $phys_path);
 193
 194    $dirlist .= $ftpl->get_template;
 195   }
 196
 197   $tpl->read_file($config->{'templates'}->{'dirlist'});
 198
 199   $tpl->fillin('DIRLIST',$dirlist);
 200   $tpl->fillin('DIR',encode_html($virtual));
 201   $tpl->fillin('DIR_URL',escape($virtual));
 202   $tpl->fillin('SCRIPT',$script);
 203   $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 204
 205   $tpl->fillin('FILTER',encode_html($filter2));
 206   $tpl->fillin('FILTER_URL',escape($filter2));
 207
 208   $tpl->parse_if_block('empty',$dirlist eq '');
 209   $tpl->parse_if_block('dir_writeable',-w $physical);
 210   $tpl->parse_if_block('filter',$filter2);
 211   $tpl->parse_if_block('gmt',$config->{'use_gmt'});
 212  }
 213  elsif(-l $physical)
 214  {
 215   # Show the target of a symbolic link
 216
 217   my $link_target = readlink($physical);
 218
 219   $tpl->read_file($config->{'templates'}->{'viewlink'});
 220
 221   $tpl->fillin('FILE',encode_html($virtual));
 222   $tpl->fillin('DIR',$upper_path->{'html'});
 223   $tpl->fillin('DIR_URL',$upper_path->{'url'});
 224   $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 225   $tpl->fillin('SCRIPT',$script);
 226
 227   $tpl->fillin('LINK_TARGET',encode_html($link_target));
 228  }
 229  else
 230  {
 231   # View a file
 232
 233   return error($config->{'errors'}->{'no_view'},$upper_path->{'normal'}) unless(-r $physical);
 234
 235   # Check on binary files
 236   # We have to do it in this way or empty files will be recognized
 237   # as binary files
 238
 239   return error($config->{'errors'}->{'binary_file'},$upper_path->{'normal'}) unless(-T $physical);
 240
 241   # Is the file too large?
 242
 243   return error($config->{'errors'}->{'file_too_large'},$upper_path->{'normal'},{SIZE => $config->{'max_file_size'}}) if($config->{'max_file_size'} && -s $physical > $config->{'max_file_size'});
 244
 245   # View the file
 246
 247   my $content =  file_read($physical);
 248   $$content   =~ s/\015\012|\012|\015/\n/g;
 249
 250   $tpl->read_file($config->{'templates'}->{'viewfile'});
 251
 252   $tpl->fillin('FILE',encode_html($virtual));
 253   $tpl->fillin('FILE_URL',escape($virtual));
 254   $tpl->fillin('DIR',$upper_path->{'html'});
 255   $tpl->fillin('DIR_URL',$upper_path->{'url'});
 256   $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 257   $tpl->fillin('SCRIPT',$script);
 258
 259   $tpl->parse_if_block('editable',-w $physical);
 260
 261   $tpl->fillin('CONTENT',encode_html($$content));
 262  }
 263
 264  my $output  = header(-type => 'text/html');
 265  $output    .= $tpl->get_template;
 266
 267  return \$output;
 268 }
 269
 270 # exec_beginedit
 271 #
 272 # Lock a file and display a form to edit it
 273 #
 274 # Params: 1. Reference to user input hash
 275 #         2. Reference to config hash
 276 #
 277 # Return: Output of the command (Scalar Reference)
 278
 279 sub exec_beginedit($$)
 280 {
 281  my ($data,$config) = @_;
 282  my $physical       = $data->{'physical'};
 283  my $virtual        = $data->{'virtual'};
 284  my $dir            = upper_path($virtual);
 285
 286  return error($config->{'errors'}->{'link_edit'},$dir) if(-l $physical);
 287  return error($config->{'errors'}->{'dir_edit'}, $dir) if(-d $physical);
 288  return error($config->{'errors'}->{'no_edit'},  $dir) unless(-r $physical && -w $physical);
 289
 290  # Check on binary files
 291
 292  return error($config->{'errors'}->{'binary_file'},$dir) unless(-T $physical);
 293
 294  # Is the file too large?
 295
 296  return error($config->{'errors'}->{'file_too_large'},$dir,{SIZE => $config->{'max_file_size'}}) if($config->{'max_file_size'} && -s $physical > $config->{'max_file_size'});
 297
 298  # Show the editing form
 299
 300  my $content =  file_read($physical);
 301  my $md5sum  =  md5_hex($$content);
 302  $$content   =~ s/\015\012|\012|\015/\n/g;
 303
 304  my $tpl = new Template;
 305  $tpl->read_file($config->{'templates'}->{'editfile'});
 306
 307  $tpl->fillin('FILE',encode_html($virtual));
 308  $tpl->fillin('FILE_URL',escape($virtual));
 309  $tpl->fillin('DIR',encode_html($dir));
 310  $tpl->fillin('DIR_URL',escape($dir));
 311  $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 312  $tpl->fillin('SCRIPT',$script);
 313  $tpl->fillin('MD5SUM',$md5sum);
 314  $tpl->fillin('CONTENT',encode_html($$content));
 315
 316  $tpl->parse_if_block('error',0);
 317
 318  my $output = header(-type => 'text/html');
 319  $output   .= $tpl->get_template;
 320
 321  return \$output;
 322 }
 323
 324 # exec_endedit()
 325 #
 326 # Save a file, unlock it and return to directory view
 327 #
 328 # Params: 1. Reference to user input hash
 329 #         2. Reference to config hash
 330 #
 331 # Return: Output of the command (Scalar Reference)
 332
 333 sub exec_endedit($$)
 334 {
 335  my ($data,$config) = @_;
 336  my $physical       = $data->{'physical'};
 337  my $virtual        = $data->{'virtual'};
 338  my $dir            = upper_path($virtual);
 339  my $cgi            = $data->{'cgi'};
 340  my $content        = $cgi->param('filecontent');
 341  my $md5sum         = $cgi->param('md5sum');
 342  my $output;
 343
 344  if(defined $content && $md5sum)
 345  {
 346   # Normalize newlines
 347
 348   $content =~ s/\015\012|\012|\015/\n/g;
 349
 350   if($cgi->param('saveas') && $data->{'new_physical'} ne '' && $data->{'new_virtual'} ne '')
 351   {
 352    # Create the new filename
 353
 354    $physical = $data->{'new_physical'};
 355    $virtual  = $data->{'new_virtual'};
 356   }
 357
 358   return error($config->{'errors'}->{'link_edit'},$dir)      if(-l $physical);
 359   return error($config->{'errors'}->{'dir_edit'},$dir)       if(-d $physical);
 360   return error($config->{'errors'}->{'no_edit'},$dir)        if(-e $physical && !(-r $physical && -w $physical));
 361   return error($config->{'errors'}->{'text_to_binary'},$dir) if(-e $physical && not -T $physical);
 362
 363   # For technical reasons, we can't use file_save() for
 364   # saving the file...
 365
 366   local *FILE;
 367
 368   sysopen(FILE,$physical,O_RDWR | O_CREAT) or return error($config->{'errors'}->{'edit_failed'},$dir,{FILE => encode_html($virtual)});
 369   file_lock(*FILE,LOCK_EX)                 or do { close(FILE); return error($config->{'errors'}->{'edit_failed'},$dir,{FILE => encode_html($virtual)}) };
 370
 371   my $md5 = new Digest::MD5;
 372   $md5->addfile(*FILE);
 373
 374   my $md5file = $md5->hexdigest;
 375   my $md5data = md5_hex($content);
 376
 377   if($md5file ne $md5sum && $md5data ne $md5file && not $cgi->param('saveas'))
 378   {
 379    # The file changed meanwhile
 380
 381    my $tpl = new Template;
 382    $tpl->read_file($config->{'templates'}->{'editfile'});
 383
 384    $tpl->fillin('ERROR',$config->{'errors'}->{'edit_file_changed'});
 385
 386    $tpl->fillin('FILE',encode_html($virtual));
 387    $tpl->fillin('FILE_URL',escape($virtual));
 388    $tpl->fillin('DIR',encode_html($dir));
 389    $tpl->fillin('DIR_URL',escape($dir));
 390    $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 391    $tpl->fillin('SCRIPT',$script);
 392    $tpl->fillin('MD5SUM',$md5file);
 393    $tpl->fillin('CONTENT',encode_html($content));
 394
 395    $tpl->parse_if_block('error',1);
 396
 397    my $data = header(-type => 'text/html');
 398    $data   .= $tpl->get_template;
 399
 400    $output  = \$data;
 401   }
 402   else
 403   {
 404    if($md5data ne $md5file)
 405    {
 406     seek(FILE,0,0);
 407     truncate(FILE,0);
 408
 409     print FILE $content;
 410    }
 411
 412    $output = devedit_reload({command => 'show', file => $dir});
 413   }
 414
 415   close(FILE);
 416
 417   return $output;
 418  }
 419
 420  return devedit_reload({command => 'beginedit', file => $virtual});
 421 }
 422
 423 # exec_mkfile()
 424 #
 425 # Create a file and return to directory view
 426 #
 427 # Params: 1. Reference to user input hash
 428 #         2. Reference to config hash
 429 #
 430 # Return: Output of the command (Scalar Reference)
 431
 432 sub exec_mkfile($$)
 433 {
 434  my ($data,$config) = @_;
 435  my $new_physical   = $data->{'new_physical'};
 436  my $new_virtual    = $data->{'new_virtual'};
 437  my $dir            = upper_path($new_virtual);
 438  $new_virtual       = encode_html($new_virtual);
 439
 440  if($new_physical)
 441  {
 442   return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual}) if(-e $new_physical);
 443
 444   file_create($new_physical) or return error($config->{'errors'}->{'mkfile_failed'},$dir,{FILE => $new_virtual});
 445   return devedit_reload({command => 'show', file => $dir});
 446  }
 447  else
 448  {
 449   my $tpl = new Template;
 450   $tpl->read_file($config->{'templates'}->{'mkfile'});
 451
 452   $tpl->fillin('DIR','/');
 453   $tpl->fillin('SCRIPT',$script);
 454
 455   my $output = header(-type => 'text/html');
 456   $output   .= $tpl->get_template;
 457
 458   return \$output;
 459  }
 460 }
 461
 462 # exec_mkdir()
 463 #
 464 # Create a directory and return to directory view
 465 #
 466 # Params: 1. Reference to user input hash
 467 #         2. Reference to config hash
 468 #
 469 # Return: Output of the command (Scalar Reference)
 470
 471 sub exec_mkdir($$)
 472 {
 473  my ($data,$config) = @_;
 474  my $new_physical   = $data->{'new_physical'};
 475  my $new_virtual    = $data->{'new_virtual'};
 476  my $dir            = upper_path($new_virtual);
 477  $new_virtual       = encode_html($new_virtual);
 478
 479  if($new_physical)
 480  {
 481   return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual}) if(-e $new_physical);
 482
 483   mkdir($new_physical,0777) or return error($config->{'errors'}->{'mkdir_failed'},$dir,{DIR => $new_virtual});
 484   return devedit_reload({command => 'show', file => $dir});
 485  }
 486  else
 487  {
 488   my $tpl = new Template;
 489   $tpl->read_file($config->{'templates'}->{'mkdir'});
 490
 491   $tpl->fillin('DIR','/');
 492   $tpl->fillin('SCRIPT',$script);
 493
 494   my $output = header(-type => 'text/html');
 495   $output   .= $tpl->get_template;
 496
 497   return \$output;
 498  }
 499 }
 500
 501 # exec_upload()
 502 #
 503 # Process a file upload
 504 #
 505 # Params: 1. Reference to user input hash
 506 #         2. Reference to config hash
 507 #
 508 # Return: Output of the command (Scalar Reference)
 509
 510 sub exec_upload($$)
 511 {
 512  my ($data,$config) = @_;
 513  my $physical       = $data->{'physical'};
 514  my $virtual        = $data->{'virtual'};
 515  my $cgi            = $data->{'cgi'};
 516
 517  return error($config->{'errors'}->{'no_directory'},upper_path($virtual),{FILE => encode_html($virtual)}) unless(-d $physical && not -l $physical);
 518  return error($config->{'errors'}->{'dir_no_create'},$virtual,{DIR => encode_html($virtual)})             unless(-w $physical);
 519
 520  if(my $uploaded_file = $cgi->param('uploaded_file'))
 521  {
 522   # Process file upload
 523
 524   my $filename  = file_name($uploaded_file);
 525   my $file_phys = $physical.'/'.$filename;
 526   my $file_virt = encode_html($virtual.$filename);
 527
 528   if(-e $file_phys)
 529   {
 530    return error($config->{'errors'}->{'link_replace'},$virtual)                        if(-l $file_phys);
 531    return error($config->{'errors'}->{'dir_replace'},$virtual)                         if(-d $file_phys);
 532    return error($config->{'errors'}->{'exist_no_write'},$virtual,{FILE => $file_virt}) unless(-w $file_phys);
 533    return error($config->{'errors'}->{'file_exists'},$virtual,{FILE => $file_virt})    unless($cgi->param('overwrite'));
 534   }
 535
 536   my $ascii  = $cgi->param('ascii');
 537   my $handle = $cgi->upload('uploaded_file');
 538
 539   return error($config->{'errors'}->{'invalid_upload'},$virtual) unless($handle);
 540
 541   # Read transferred file and write it to disk
 542
 543   read($handle, my $data, -s $handle);
 544   $data =~ s/\015\012|\012|\015/\n/g if($ascii); # Replace line separators if transferring in ASCII mode
 545   file_save($file_phys,\$data,not $ascii) or return error($config->{'errors'}->{'mkfile_failed'},$virtual,{FILE => $file_virt});
 546
 547   return devedit_reload({command => 'show', file => $virtual});
 548  }
 549  else
 550  {
 551   my $tpl = new Template;
 552   $tpl->read_file($config->{'templates'}->{'upload'});
 553
 554   $tpl->fillin('DIR',encode_html($virtual));
 555   $tpl->fillin('DIR_URL',escape($virtual));
 556   $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 557   $tpl->fillin('SCRIPT',$script);
 558
 559   my $output = header(-type => 'text/html');
 560   $output   .= $tpl->get_template;
 561
 562   return \$output;
 563  }
 564 }
 565
 566 # exec_copy()
 567 #
 568 # Copy a file and return to directory view
 569 #
 570 # Params: 1. Reference to user input hash
 571 #         2. Reference to config hash
 572 #
 573 # Return: Output of the command (Scalar Reference)
 574
 575 sub exec_copy($$)
 576 {
 577  my ($data,$config) = @_;
 578  my $physical       = $data->{'physical'};
 579  my $virtual        = $data->{'virtual'};
 580  my $dir            = upper_path($virtual);
 581  my $new_physical   = $data->{'new_physical'};
 582
 583  return error($config->{'errors'}->{'link_copy'},$dir) if(-l $physical);
 584
 585  if($new_physical)
 586  {
 587   my $new_virtual = multi_string($data->{'new_virtual'});
 588   my $new_dir     = upper_path($new_virtual->{'normal'});
 589
 590   if(-d $physical)
 591   {
 592    return error($config->{'errors'}->{'no_copy'},$dir)                                      unless(-x $physical);
 593    return error($config->{'errors'}->{'file_exists'},$dir,{FILE => $new_virtual->{'html'}}) if(-e $new_physical);
 594    return error($config->{'errors'}->{'dir_copy_self'},$dir)                                if(index($new_virtual->{'normal'},$virtual) == 0);
 595
 596    dir_copy($physical,$new_physical) or return error($config->{'errors'}->{'copy_failed'},$dir,{FILE => encode_html($virtual), NEW_FILE => $new_virtual->{'html'}});
 597    return devedit_reload({command => 'show', file => $new_dir});
 598   }
 599   else
 600   {
 601    if(-e $new_physical)
 602    {
 603     return error($config->{'errors'}->{'link_replace'},$new_dir)                                    if(-l $new_physical);
 604     return error($config->{'errors'}->{'dir_replace'},$new_dir)                                     if(-d $new_physical);
 605     return error($config->{'errors'}->{'exist_no_write'},$new_dir,{FILE => $new_virtual->{'html'}}) unless(-w $new_physical);
 606
 607     if(not $data->{'cgi'}->param('confirmed'))
 608     {
 609      my $tpl = new Template;
 610      $tpl->read_file($config->{'templates'}->{'confirm_replace'});
 611
 612      $tpl->fillin('FILE',encode_html($virtual));
 613      $tpl->fillin('NEW_FILE',$new_virtual->{'html'});
 614      $tpl->fillin('NEW_FILENAME',file_name($new_virtual->{'html'}));
 615      $tpl->fillin('NEW_DIR',encode_html($new_dir));
 616      $tpl->fillin('DIR',encode_html($dir));
 617      $tpl->fillin('DIR_URL',escape($dir));
 618
 619      $tpl->fillin('COMMAND','copy');
 620      $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 621      $tpl->fillin('SCRIPT',$script);
 622
 623      my $output = header(-type => 'text/html');
 624      $output   .= $tpl->get_template;
 625
 626      return \$output;
 627     }
 628    }
 629
 630    copy($physical,$new_physical) or return error($config->{'errors'}->{'copy_failed'},$dir,{FILE => encode_html($virtual), NEW_FILE => $new_virtual->{'html'}});
 631    return devedit_reload({command => 'show', file => $new_dir});
 632   }
 633  }
 634  else
 635  {
 636   if(-d $physical)
 637   {
 638    my $tpl = new Template;
 639    $tpl->read_file($config->{'templates'}->{'copydir'});
 640
 641    $tpl->fillin('FILE',encode_html($virtual));
 642    $tpl->fillin('DIR',encode_html($dir));
 643    $tpl->fillin('DIR_URL',escape($dir));
 644    $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 645    $tpl->fillin('SCRIPT',$script);
 646
 647    my $output = header(-type => 'text/html');
 648    $output   .= $tpl->get_template;
 649
 650    return \$output;
 651   }
 652   else
 653   {
 654    my $tpl = new Template;
 655    $tpl->read_file($config->{'templates'}->{'copyfile'});
 656
 657    $tpl->fillin('FILE',encode_html($virtual));
 658    $tpl->fillin('DIR',encode_html($dir));
 659    $tpl->fillin('DIR_URL',escape($dir));
 660    $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 661    $tpl->fillin('SCRIPT',$script);
 662
 663    my $output = header(-type => 'text/html');
 664    $output   .= $tpl->get_template;
 665
 666    return \$output;
 667   }
 668  }
 669 }
 670
 671 # exec_rename()
 672 #
 673 # Rename/move a file and return to directory view
 674 #
 675 # Params: 1. Reference to user input hash
 676 #         2. Reference to config hash
 677 #
 678 # Return: Output of the command (Scalar Reference)
 679
 680 sub exec_rename($$)
 681 {
 682  my ($data,$config) = @_;
 683  my $physical       = $data->{'physical'};
 684  my $virtual        = $data->{'virtual'};
 685  my $dir            = upper_path($virtual);
 686  my $new_physical   = $data->{'new_physical'};
 687
 688  return error($config->{'errors'}->{'rename_root'},'/') if($virtual eq '/');
 689  return error($config->{'errors'}->{'no_rename'},$dir)  unless(-w upper_path($physical));
 690
 691  if($new_physical)
 692  {
 693   my $new_virtual = multi_string($data->{'new_virtual'});
 694   my $new_dir     = upper_path($new_virtual->{'normal'});
 695
 696   if(-e $new_physical)
 697   {
 698    return error($config->{'errors'}->{'dir_replace'},$new_dir)                           if(-d $new_physical && not -l $new_physical);
 699    return error($config->{'errors'}->{'exist_no_write'},$new_dir,{FILE => $new_virtual}) unless(-w $new_physical);
 700
 701    if(not $data->{'cgi'}->param('confirmed'))
 702    {
 703     my $tpl = new Template;
 704     $tpl->read_file($config->{'templates'}->{'confirm_replace'});
 705
 706     $tpl->fillin('FILE',encode_html($virtual));
 707     $tpl->fillin('NEW_FILE',$new_virtual->{'html'});
 708     $tpl->fillin('NEW_FILENAME',file_name($new_virtual->{'html'}));
 709     $tpl->fillin('NEW_DIR',encode_html($new_dir));
 710     $tpl->fillin('DIR',encode_html($dir));
 711
 712     $tpl->fillin('COMMAND','rename');
 713     $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 714     $tpl->fillin('SCRIPT',$script);
 715
 716     my $output = header(-type => 'text/html');
 717     $output   .= $tpl->get_template;
 718
 719     return \$output;
 720    }
 721   }
 722
 723   move($physical,$new_physical) or return error($config->{'errors'}->{'rename_failed'},$dir,{FILE => encode_html($virtual), NEW_FILE => $new_virtual->{'html'}});
 724   return devedit_reload({command => 'show', file => $new_dir});
 725  }
 726  else
 727  {
 728   my $tpl = new Template;
 729   $tpl->read_file($config->{'templates'}->{'renamefile'});
 730
 731   $tpl->fillin('FILE',encode_html($virtual));
 732   $tpl->fillin('DIR',encode_html($dir));
 733   $tpl->fillin('DIR_URL',escape($dir));
 734   $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 735   $tpl->fillin('SCRIPT',$script);
 736
 737   my $output = header(-type => 'text/html');
 738   $output   .= $tpl->get_template;
 739
 740   return \$output;
 741  }
 742 }
 743
 744 # exec_remove()
 745 #
 746 # Remove a file or a directory and return to directory view
 747 #
 748 # Params: 1. Reference to user input hash
 749 #         2. Reference to config hash
 750 #
 751 # Return: Output of the command (Scalar Reference)
 752
 753 sub exec_remove($$)
 754 {
 755  my ($data,$config) = @_;
 756  my $physical       = $data->{'physical'};
 757  my $virtual        = $data->{'virtual'};
 758  my $dir            = upper_path($virtual);
 759
 760  return error($config->{'errors'}->{'remove_root'},'/') if($virtual eq '/');
 761  return error($config->{'errors'}->{'no_delete'},$dir)  unless(-w upper_path($physical));
 762
 763  if(-d $physical && not -l $physical)
 764  {
 765   # Remove a directory
 766
 767   if($data->{'cgi'}->param('confirmed'))
 768   {
 769    rmtree($physical);
 770    return devedit_reload({command => 'show', file => $dir});
 771   }
 772   else
 773   {
 774    my $tpl = new Template;
 775    $tpl->read_file($config->{'templates'}->{'confirm_rmdir'});
 776
 777    $tpl->fillin('DIR',encode_html($virtual));
 778    $tpl->fillin('DIR_URL',escape($virtual));
 779    $tpl->fillin('UPPER_DIR',encode_html($dir));
 780    $tpl->fillin('UPPER_DIR_URL',escape($dir));
 781    $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 782    $tpl->fillin('SCRIPT',$script);
 783
 784    my $output = header(-type => 'text/html');
 785    $output   .= $tpl->get_template;
 786
 787    return \$output;
 788   }
 789  }
 790  else
 791  {
 792   # Remove a file
 793
 794   if($data->{'cgi'}->param('confirmed'))
 795   {
 796    unlink($physical) or return error($config->{'errors'}->{'delete_failed'},$dir,{FILE => $virtual});
 797    return devedit_reload({command => 'show', file => $dir});
 798   }
 799   else
 800   {
 801    my $tpl = new Template;
 802    $tpl->read_file($config->{'templates'}->{'confirm_rmfile'});
 803
 804    $tpl->fillin('FILE',encode_html($virtual));
 805    $tpl->fillin('FILE_URL',escape($virtual));
 806    $tpl->fillin('DIR',encode_html($dir));
 807    $tpl->fillin('DIR_URL',escape($dir));
 808    $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 809    $tpl->fillin('SCRIPT',$script);
 810
 811    my $output = header(-type => 'text/html');
 812    $output   .= $tpl->get_template;
 813
 814    return \$output;
 815   }
 816  }
 817 }
 818
 819 # exec_chprop()
 820 #
 821 # Change the mode and the group of a file or a directory
 822 #
 823 # Params: 1. Reference to user input hash
 824 #         2. Reference to config hash
 825 #
 826 # Return: Output of the command (Scalar Reference)
 827
 828 sub exec_chprop($$)
 829 {
 830  my ($data,$config) = @_;
 831  my $physical       = $data->{'physical'};
 832  my $virtual        = $data->{'virtual'};
 833  my $dir            = upper_path($virtual);
 834
 835  return error($config->{'errors'}->{'no_users'},$dir,{FILE => encode_html($virtual)})  unless($users);
 836  return error($config->{'errors'}->{'chprop_root'},'/')                                if($virtual eq '/');
 837  return error($config->{'errors'}->{'not_owner'},$dir,{FILE => encode_html($virtual)}) unless(-o $physical);
 838  return error($config->{'errors'}->{'chprop_link'},$dir)                               if(-l $physical);
 839
 840  my $cgi   = $data->{'cgi'};
 841  my $mode  = $cgi->param('mode');
 842  my $group = $cgi->param('group');
 843
 844  if($mode || $group)
 845  {
 846   if($mode)
 847   {
 848    # Change the mode
 849
 850    return error($config->{'errors'}->{'invalid_mode'},$dir) unless($mode =~ /^[0-7]{3,}$/);
 851    chmod(oct($mode),$physical);
 852   }
 853
 854   if($group)
 855   {
 856    # Change the group using the `chgrp` system command
 857
 858    return error($config->{'errors'}->{'invalid_group'},$dir,{GROUP => encode_html($group)}) unless($group =~ /^[a-z0-9_]+[a-z0-9_-]*$/i);
 859    system('chgrp',$group,$physical);
 860   }
 861
 862   return devedit_reload({command => 'show', file => $dir});
 863  }
 864  else
 865  {
 866   # Display the form
 867
 868   my @stat = stat($physical);
 869   my $mode = $stat[2];
 870   my $gid  = $stat[5];
 871
 872   my $tpl = new Template;
 873   $tpl->read_file($config->{'templates'}->{'chprop'});
 874
 875   # Insert file properties into the template
 876
 877   $tpl->fillin('MODE_OCTAL',substr(sprintf('%04o',$mode),-4));
 878   $tpl->fillin('MODE_STRING',mode_string($mode));
 879   $tpl->fillin('GID',$gid);
 880
 881   if(my $group = getgrgid($gid))
 882   {
 883    $tpl->fillin('GROUP',encode_html($group));
 884    $tpl->parse_if_block('group_detected',1);
 885   }
 886   else
 887   {
 888    $tpl->parse_if_block('group_detected',0);
 889   }
 890
 891   # Insert other information
 892
 893   $tpl->fillin('FILE',encode_html($virtual));
 894   $tpl->fillin('FILE_URL',escape($virtual));
 895   $tpl->fillin('DIR',encode_html($dir));
 896   $tpl->fillin('DIR_URL',escape($dir));
 897   $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
 898   $tpl->fillin('SCRIPT',$script);
 899
 900   my $output = header(-type => 'text/html');
 901   $output   .= $tpl->get_template;
 902
 903   return \$output;
 904  }
 905 }
 906
 907 # exec_about()
 908 #
 909 # Display some information about Dev-Editor
 910 #
 911 # Params: 1. Reference to user input hash
 912 #         2. Reference to config hash
 913 #
 914 # Return: Output of the command (Scalar Reference)
 915
 916 sub exec_about($$)
 917 {
 918  my ($data,$config) = @_;
 919
 920  my $tpl = new Template;
 921  $tpl->read_file($config->{'templates'}->{'about'});
 922
 923  $tpl->fillin('SCRIPT',$script);
 924
 925  # Dev-Editor's version number
 926
 927  $tpl->fillin('VERSION',$data->{'version'});
 928
 929  # Some path information
 930
 931  $tpl->fillin('SCRIPT_PHYS',encode_html($ENV{'SCRIPT_FILENAME'}));
 932  $tpl->fillin('CONFIG_PATH',encode_html($data->{'configfile'}));
 933  $tpl->fillin('FILE_ROOT',  encode_html($config->{'fileroot'}));
 934  $tpl->fillin('HTTP_ROOT',  encode_html($config->{'httproot'}));
 935
 936  # Perl
 937
 938  $tpl->fillin('PERL_PROG',encode_html($^X));
 939  $tpl->fillin('PERL_VER', sprintf('%vd',$^V));
 940
 941  # Information about the server
 942
 943  $tpl->fillin('HTTPD',encode_html($ENV{'SERVER_SOFTWARE'}));
 944  $tpl->fillin('OS',   encode_html($^O));
 945  $tpl->fillin('TIME', encode_html(strftime($config->{'timeformat'},($config->{'use_gmt'}) ? gmtime : localtime)));
 946
 947  $tpl->parse_if_block('gmt',$config->{'use_gmt'});
 948
 949  # Process information
 950
 951  $tpl->fillin('PID',$$);
 952
 953  # The following information is only available on systems supporting
 954  # users and groups
 955
 956  if($users)
 957  {
 958   # Dev-Editor is running on a system which allows users and groups
 959   # So we display the user and the group of our process
 960
 961   my $uid = POSIX::getuid;
 962   my $gid = POSIX::getgid;
 963
 964   $tpl->parse_if_block('users',1);
 965
 966   # ID's of user and group
 967
 968   $tpl->fillin('UID',$uid);
 969   $tpl->fillin('GID',$gid);
 970
 971   # Names of user and group
 972
 973   if(my $user = getpwuid($uid))
 974   {
 975    $tpl->fillin('USER',encode_html($user));
 976    $tpl->parse_if_block('user_detected',1);
 977   }
 978   else
 979   {
 980    $tpl->parse_if_block('user_detected',0);
 981   }
 982
 983   if(my $group = getgrgid($gid))
 984   {
 985    $tpl->fillin('GROUP',encode_html($group));
 986    $tpl->parse_if_block('group_detected',1);
 987   }
 988   else
 989   {
 990    $tpl->parse_if_block('group_detected',0);
 991   }
 992
 993   # Process umask
 994
 995   $tpl->fillin('UMASK',sprintf('%04o',umask));
 996  }
 997  else
 998  {
 999   $tpl->parse_if_block('users',0);
1000  }
1001
1002  my $output = header(-type => 'text/html');
1003  $output   .= $tpl->get_template;
1004
1005  return \$output;
1006 }
1007
1008 # it's true, baby ;-)
1009
1010 1;
1011
1012 #
1013 ### End ###