bicyclesonthemoon.info Git - ott/bsta/blob - 2words.1.pl

   1 ###RUN_PERL: #!/usr/bin/perl
   2
   3 # /bsta/2words
   4 # 2words is generated from 2words.1.pl.
   5 #
   6 # The wordgame interface
   7 #
   8 # Copyright (C) 2016, 2017, 2023, 2024  Balthasar Szczepański
   9 #
  10 # This program is free software: you can redistribute it and/or modify
  11 # it under the terms of the GNU Affero General Public License as
  12 # published by the Free Software Foundation, either version 3 of the
  13 # License, or (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU Affero General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU Affero General Public License
  21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 use strict;
  24 use utf8;
  25 # use Encode::Locale ('decode_argv');
  26 use Encode ('encode', 'decode');
  27
  28 ###PERL_LIB: use lib /botm/lib/bsta
  29 use botm_common (
  30         'read_data_file', 'write_data_file',
  31         'join_path',
  32         'merge_url',
  33         'read_header_env',
  34         'html_entity_encode_dec',
  35         'url_query_decode'
  36 );
  37 use bsta_lib (
  38         'STATE', 'INTF_STATE',
  39         'get_id',
  40         'fail_method', 'fail_content_type',
  41         'print_html_start', 'print_html_end',
  42         'print_html_head_start', 'print_html_head_end',
  43         'print_html_body_start', 'print_html_body_end',
  44         'write_index',
  45         'get_remote_addr',
  46         'merge_settings',
  47         'ong'
  48 );
  49
  50 ###PERL_PATH_SEPARATOR:     PATH_SEPARATOR     = /
  51
  52 ###PERL_CGI_PATH:           CGI_PATH           = /bsta/
  53 ###PERL_CGI_2WORDS_PATH:    CGI_2WORDS_PATH    = /bsta/2words
  54
  55 ###PERL_DATA_SETTINGS_PATH: DATA_SETTINGS_PATH = /botm/data/bsta/settings
  56 ###PERL_DATA_STATE_PATH:    DATA_STATE_PATH    = /botm/data/bsta/state
  57 ###PERL_DATA_STORY_PATH:    DATA_STORY_PATH    = /botm/data/bsta/story
  58
  59 ###PERL_WEBSITE_NAME:       WEBSITE_NAME       = Bicycles on the Moon
  60
  61 ###PERL_STORY_LENGTH:       STORY_LENGTH       = 16
  62 ###PERL_PAGE_LENGTH:        PAGE_LENGTH        = 16
  63 ###PERL_FIRSTPAGE_LENGTH:   FIRSTPAGE_LENGTH   = 4
  64
  65 binmode STDIN,  ':encoding(UTF-8)';
  66 binmode STDOUT, ':encoding(UTF-8)';
  67 binmode STDERR, ':encoding(UTF-8)';
  68 # decode_argv();
  69
  70 my %http;
  71 my %cgi;
  72 my %story;
  73 my %new_story;
  74 my %settings;
  75 my %state;
  76
  77 my $time = time();
  78 srand ($time-$$);
  79
  80 my $method;
  81 my $IP;
  82 my $words;
  83 my $color2;
  84 my $last_IP;
  85 my $story_id;
  86 my $turn;
  87 my $message;
  88 my $first_letter;
  89 my $second_letter;
  90 my $last_letter;
  91 my $intf_state;
  92 my $intf_pass;
  93 my $intf_pause;
  94 my $intf_mode;
  95 my $story_i_path;
  96 my $story_file;
  97 my $story_lock;
  98 my @story_lines;
  99 my $ong_state;
 100 my $page;
 101 my $cmd_clear;
 102 my $cmd_clear_all;
 103
 104
 105 delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
 106 ###PERL_SET_PATH: $ENV{'PATH'} = /usr/local/bin:/usr/bin:/bin;
 107
 108 if ($ENV{'REQUEST_METHOD'} =~ /^(HEAD|GET|POST)$/) {
 109         $method = $1;
 110 }
 111 else {
 112         exit fail_method($ENV{'REQUEST_METHOD'}, 'GET, POST, HEAD');
 113 }
 114
 115 %http = read_header_env(\%ENV);
 116 %cgi = url_query_decode($ENV{'QUERY_STRING'});
 117
 118 if ($method eq 'POST') {
 119         if ($http{'content-type'} eq 'application/x-www-form-urlencoded') {
 120                 my %cgi_post = url_query_decode( <STDIN> );
 121                 %cgi = merge_settings(\%cgi, \%cgi_post);
 122         }
 123         # multipart not supported
 124         else{
 125                 exit fail_content_type($method, $http{'content-type'});
 126         }
 127 }
 128
 129 $IP = get_remote_addr();
 130 $page = get_id(\%cgi);
 131 if ($cgi{'words'} ne '') {
 132         $words = $cgi{'words'};
 133 }
 134
 135 %settings = read_data_file(DATA_SETTINGS_PATH());
 136 %state    = read_data_file(DATA_STATE_PATH());
 137 $ong_state = int($state{'state'});
 138 $cmd_clear     = $settings{'password'}.' clear';
 139 $cmd_clear_all = $settings{'password'}.' clearall';
 140
 141 $story_lock=0;
 142 if (open ($story_file, "+<:encoding(UTF-8)", encode('locale_fs', DATA_STORY_PATH()))){
 143         $story_lock=1;
 144         if (flock($story_file,2)) {
 145                 $story_lock=2;
 146         }
 147         %story = read_data_file($story_file);
 148
 149         if ($story{'lastip'} =~ /^.+$/) {
 150                 $last_IP=$&;
 151         }
 152         else {
 153                 $last_IP='0.0.0.0';
 154         }
 155
 156         $last_letter = lc($story{'letter'});
 157         $story_id   = int($story{'id'});
 158         $intf_pass  = int($story{'pass'});
 159         $intf_state = int($story{'state'});
 160         $intf_mode  = $intf_state & INTF_STATE->{'mode'};
 161         $intf_pause = $intf_state & INTF_STATE->{'||'};
 162
 163         if ($IP ne $last_IP) {
 164                 $turn = 1;
 165         }
 166         else {
 167                 $turn = 0;
 168         }
 169
 170         if (
 171                 ($words eq $cmd_clear) ||
 172                 ($words eq $cmd_clear_all) ||
 173                 ($intf_state < 0)
 174         ) {
 175                 if (
 176                         ($words eq $cmd_clear_all) ||
 177                         ($intf_state < -1)
 178                 ) {
 179                         $story{'id'} = 0;
 180                 }
 181                 $story{'content'} = '';
 182                 $story{'lastip' } = '0.0.0.0';
 183                 $story{'letter' } = '';
 184                 $story{'pass'   } = 0;
 185                 $story{'state'  } = INTF_STATE->{'X'};
 186                 $turn = 0;
 187                 if ($ong_state == STATE->{'inactive'}) {
 188                         write_index(
 189                                 \%state,
 190                                 \%settings,
 191                                 $story{'pass'},
 192                                 $story{'state'},
 193                                 0 # pause
 194                         );
 195                 }
 196                 write_data_file($story_file, '', '', \%story);
 197         }
 198
 199         if ($words ne '') {
 200                 if (!$turn) {
 201                         $message = "It's not your turn.";
 202                 }
 203                 # TODO: consider allowing non-ASCII letters in words.
 204                 # (not very important in English language)
 205                 elsif ($words =~ /^([!"\(\),\.:;\?][ \t]*)?([A-Za-z][A-Za-z'\-]*[A-Za-z']?)([!"\(\),\.:;\? \t][ \t]*)([A-Za-z][A-Za-z'\-]*[A-Za-z']?)([!"\(\),\.:;\?]?[ \t]*)$/) {
 206                         # we have 2 words
 207                         $first_letter  = lc(substr($2, 0, 1));
 208                         $second_letter = lc(substr($4, 0, 1));
 209                         if (
 210                                 ($first_letter ne $last_letter) &&
 211                                 ($last_letter ne '')
 212                         ) {
 213                                 $message = 'The first word must start with '.uc($last_letter).'.';
 214                         }
 215                         elsif ($first_letter eq $second_letter) {
 216                                 $message = 'The second word can\'t also start with '.uc($first_letter).'.';
 217                         }
 218                         else {
 219                                 # words are valid
 220                                 # update state
 221                                 $story{'content'} = $story{'content'} . $words."\n";
 222                                 $turn = 0;
 223                                 $story{'lastip'} = $IP;
 224                                 $story{'letter'} = $second_letter;
 225
 226                                 if ($cgi{'next'} ne '') {
 227                                         # start next game
 228                                         if (split(/\r?\n/,$story{'content'}) >= (STORY_LENGTH-1)) {
 229                                                 # store finished game
 230                                                 $story_i_path = DATA_STORY_PATH.$story_id;
 231                                                 write_data_file($story_i_path, '', '', \%story);
 232                                                 # init new game
 233                                                 $new_story{'id'     } = $story_id + 1;
 234                                                 $new_story{'letter' } = '';
 235                                                 $new_story{'lastip' } = $IP;
 236                                                 $new_story{'content'} = '';
 237                                                 $new_story{'pass'   } = 0;
 238                                                 $new_story{'state'  } = INTF_STATE->{'X'};
 239                                                 # reset hidden interface
 240                                                 $intf_state = INTF_STATE->{'X'};
 241                                                 $intf_pass = 0;
 242                                                 $intf_mode = INTF_STATE->{'X'};
 243                                                 $intf_pause= 0;
 244                                                 if($ong_state == STATE->{'inactive'}) {
 245                                                         # ONG not activated yet; reset index
 246                                                         write_index(
 247                                                                 \%state,
 248                                                                 \%settings,
 249                                                                 $intf_pass,
 250                                                                 $intf_mode,
 251                                                                 $intf_pause
 252                                                         );
 253                                                 }
 254                                                 # save new game
 255                                                 write_data_file($story_file, '', '', \%new_story);
 256                                         }
 257                                         else {
 258                                                 $message = 'To early to finish this wordgame.';
 259                                                 write_data_file($story_file, '', '', \%story);
 260                                         }
 261                                 }
 262                                 else {
 263                                         # continue the game
 264                                         if ($intf_pass == 1) {
 265                                                 # hidden interface was already active; deactivate
 266                                                 $intf_pass = 2;
 267                                                 $story{'pass'} = 2;
 268                                                 if($ong_state == STATE->{'inactive'}) {
 269                                                         write_index(
 270                                                                 \%state,
 271                                                                 \%settings,
 272                                                                 $intf_pass,
 273                                                                 $intf_mode,
 274                                                                 $intf_pause
 275                                                         );
 276                                                 }
 277                                         }
 278                                         elsif(lc($2).' '.lc($4) eq $settings{'unlock'}) {
 279                                                 # correct password for the hidden interface!
 280                                                 if ($intf_pass != 0) {
 281                                                         $message = 'The password has already been used in this story.';
 282                                                 }
 283                                                 elsif ($ong_state != STATE->{'inactive'}) {
 284                                                         # ONG already active, nothing to do here
 285                                                         $message = "???";
 286                                                 }
 287                                                 else {
 288                                                         # ready to activate?
 289                                                         my $r;
 290
 291                                                         # ONG tape interface
 292                                                         $r = ong(
 293                                                                 'i',   # ID: tape interface
 294                                                                 $time, # ONG time;    not relevant
 295                                                                 0,     # timer;       not relevant
 296                                                                 0,     # update;      not relevant
 297                                                                 0,     # print
 298                                                                 \%settings,         # not relevant
 299                                                                 '',    # %default;    not relevant
 300                                                                 '',    # %frame_data; not relevant
 301                                                                 ''     # $goto_list;  not relevant
 302                                                         );
 303                                                         if ($r) {
 304                                                                 # ONG CFRT
 305                                                                 $r = ong(
 306                                                                         'c',   # ID: CFRT
 307                                                                         $time, # ONG time;   not relevant
 308                                                                         0,     # timer;      not relevant
 309                                                                         0,     # update;     not relevant
 310                                                                         0,     # print
 311                                                                         \%settings,
 312                                                                         '',    # %default
 313                                                                         '',    # %frame_data
 314                                                                         ''     # $goto_list; not relevant
 315                                                                 );
 316                                                         }
 317                                                         if ($r) {
 318                                                                 # ONG frame 0!
 319                                                                 $r = ong(
 320                                                                         0,     # frame ID
 321                                                                         $time, # ONG time; might get overwritten later
 322                                                                         0,     # timer
 323                                                                         0,     # update
 324                                                                         0,     # print
 325                                                                         \%settings,
 326                                                                         '',    # %default
 327                                                                         '',    # %frame_data
 328                                                                         ''     # $goto_list
 329                                                                 );
 330                                                         }
 331                                                         if($r) {
 332                                                                 # new state of hidden interface
 333                                                                 $intf_pass = 1;
 334                                                                 $intf_state = INTF_STATE->{'X'};
 335                                                                 $intf_mode  = INTF_STATE->{'X'};
 336                                                                 $intf_pause = 0;
 337                                                                 $story{'pass'} = 1;
 338                                                                 $story{'state'} = INTF_STATE->{'X'};
 339                                                                 write_index(
 340                                                                         \%state,
 341                                                                         \%settings,
 342                                                                         $intf_pass,
 343                                                                         $intf_mode,
 344                                                                         $intf_pause
 345                                                                 );
 346                                                         }
 347                                                 }
 348                                         }
 349                                         write_data_file($story_file, '', '', \%story);
 350                                 }
 351                         }
 352                 }
 353                 else {
 354                         $message = 'Please, two words, not more, not less (some punctuation is allowed).';
 355                 }
 356         }
 357         elsif (
 358                 ($cgi{'s'} ne '') &&
 359                 ($intf_pass == 1) &&
 360                 ($ong_state == STATE->{'inactive'})
 361         ) {
 362                 $intf_state = int($cgi{'s'}) & INTF_STATE->{'mask'};
 363                 $intf_mode  = $intf_state & INTF_STATE->{'mode'};
 364                 $intf_pause = $intf_state & INTF_STATE->{'||'};
 365                 $story{'state'} = $intf_state;
 366                 write_index(
 367                         \%state,
 368                         \%settings,
 369                         $intf_pass,
 370                         $intf_mode,
 371                         $intf_pause
 372                 );
 373                 write_data_file($story_file, '', '', \%story);
 374         }
 375         @story_lines = split(/\r?\n/, $story{'content'});
 376         if(@story_lines & 1) {
 377                 $turn = !$turn;
 378         }
 379
 380         close($story_file);
 381 }
 382
 383 print "Content-type: text/html\n\n";
 384 if($method eq 'HEAD') {
 385         exit;
 386 }
 387
 388 my $max_page = int(($story_id - FIRSTPAGE_LENGTH - 1) / PAGE_LENGTH) + 1;
 389 my $newer_available = ($page > 0);
 390 my $older_available = ($page < $max_page);
 391 my $show_intf = ($intf_pass == 1) && ($ong_state == STATE->{'inactive'});
 392 my $id_start =
 393         $story_id-1 -(
 394                 ($page == 0)    ? 0 : (
 395                         (($page-1) * PAGE_LENGTH ) + FIRSTPAGE_LENGTH
 396                 )
 397         );
 398 my $id_stop = $story_id-1 - (($page*PAGE_LENGTH) + FIRSTPAGE_LENGTH);
 399 if ($id_stop < 0) {
 400         $id_stop = -1;
 401 }
 402
 403 my $bsta_url = CGI_PATH;
 404 my $twowords_url = CGI_2WORDS_PATH;
 405 my $newer_url;
 406 my $older_url;
 407 my $oldest_url;
 408 my $newest_url = merge_url(
 409         {'path' => $twowords_url},
 410         {'path' => 0}
 411 );
 412 if ($newer_available) {
 413         $newer_url = merge_url(
 414                 {'path' => $twowords_url},
 415                 {'path' => $page-1}
 416         );
 417 }
 418 if ($older_available) {
 419         $older_url = merge_url(
 420                 {'path' => $twowords_url},
 421                 {'path' => $page+1}
 422         );
 423         $oldest_url = merge_url(
 424                 {'path' => $twowords_url},
 425                 {'path' => $max_page}
 426         );
 427 }
 428 my $button_4_url = merge_url(
 429         {'path' => $twowords_url},
 430         {'query' => {'s' => (INTF_STATE->{'>'} | $intf_pause)}}
 431 );
 432 my $button_3_url = merge_url(
 433         {'path' => $twowords_url},
 434         {'query' => {'s' => (INTF_STATE->{'<<'} | $intf_pause)}}
 435 );
 436 my $button_2_url = merge_url(
 437         {'path' => $twowords_url},
 438         {'query' => {'s' => (INTF_STATE->{'>>'} | $intf_pause)}}
 439 );
 440 my $button_1_url = merge_url(
 441         {'path' => $twowords_url},
 442         {'query' => {'s' => INTF_STATE->{'X'}}}
 443 );
 444 my $button_0_url = merge_url(
 445         {'path' => $twowords_url},
 446         {'query' => {'s' => ($intf_pause ? $intf_mode : ($intf_mode | INTF_STATE->{'||'}))}}
 447 );
 448 my $button_5_img = merge_url(
 449         {'path' => CGI_PATH()},
 450         {'path' => 'intf-20.gif'}
 451 );
 452 my $button_4_img = merge_url(
 453         {'path' => CGI_PATH()},
 454         {'path' => 'intf-10'.(($intf_mode == INTF_STATE->{'>'}) ? '_' : '').'.gif'}
 455 );
 456 my $button_3_img = merge_url(
 457         {'path' => CGI_PATH()},
 458         {'path' => 'intf-08'.(($intf_mode == INTF_STATE->{'<<'}) ? '_' : '').'.gif'}
 459 );
 460 my $button_2_img = merge_url(
 461         {'path' => CGI_PATH()},
 462         {'path' => 'intf-04'.(($intf_mode == INTF_STATE->{'>>'}) ? '_' : '').'.gif'}
 463 );
 464 my $button_1_img = merge_url(
 465         {'path' => CGI_PATH()},
 466         {'path' => 'intf-02.gif'}
 467 );
 468 my $button_0_img = merge_url(
 469         {'path' => CGI_PATH()},
 470         {'path' => 'intf-01'.($intf_pause ? '_' : '').'.gif'}
 471 );
 472 my $intf_img_id = '';
 473 if ($intf_state == INTF_STATE->{'>'}) {
 474         $intf_img_id = '_10'
 475 }
 476 elsif ($intf_mode == INTF_STATE->{'<<'}) {
 477         $intf_img_id = '_08'
 478 }
 479 elsif ($intf_mode == INTF_STATE->{'>>'}) {
 480         $intf_img_id = '_04'
 481 }
 482 my $intf_img = merge_url(
 483         {'path' => CGI_PATH()},
 484         {'path' => 'intf-00'.$intf_img_id.'.gif'}
 485 );
 486
 487 my $_bsta_url     = html_entity_encode_dec($bsta_url     , 1);
 488 my $_twowords_url = html_entity_encode_dec($twowords_url , 1);
 489 my $_newest_url   = html_entity_encode_dec($newest_url   , 1);
 490 my $_newer_url    = html_entity_encode_dec($newer_url    , 1);
 491 my $_older_url    = html_entity_encode_dec($older_url    , 1);
 492 my $_oldest_url   = html_entity_encode_dec($oldest_url   , 1);
 493 my $_button_4_url = html_entity_encode_dec($button_4_url , 1);
 494 my $_button_3_url = html_entity_encode_dec($button_3_url , 1);
 495 my $_button_2_url = html_entity_encode_dec($button_2_url , 1);
 496 my $_button_1_url = html_entity_encode_dec($button_1_url , 1);
 497 my $_button_0_url = html_entity_encode_dec($button_0_url , 1);
 498 my $_button_5_img = html_entity_encode_dec($button_5_img , 1);
 499 my $_button_4_img = html_entity_encode_dec($button_4_img , 1);
 500 my $_button_3_img = html_entity_encode_dec($button_3_img , 1);
 501 my $_button_2_img = html_entity_encode_dec($button_2_img , 1);
 502 my $_button_1_img = html_entity_encode_dec($button_1_img , 1);
 503 my $_button_0_img = html_entity_encode_dec($button_0_img , 1);
 504 my $_intf_img     = html_entity_encode_dec($intf_img     , 1);
 505 my $_message      = html_entity_encode_dec($message      , 1);
 506 my $_website_name = html_entity_encode_dec(WEBSITE_NAME(), 1);
 507
 508 print_html_start(\*STDOUT);
 509 print_html_head_start(\*STDOUT);
 510
 511
 512 print '  <title>Two words &bull; '.$_website_name.'</title>'."\n";
 513 print '  <link rel="start" href="'.$_oldest_url.'">'."\n";
 514 if ($older_available) {
 515         print '  <link rel="prev" href="'.$_older_url.'">'."\n";
 516 }
 517 if ($newer_available) {
 518         print '  <link rel="next" href="'.$_newer_url.'">'."\n";
 519 }
 520
 521 print_html_head_end(\*STDOUT);
 522 print_html_body_start(\*STDOUT);
 523
 524 print '   <div id="inst" class="ins">'."\n";
 525
 526 print '    <div id="title">'."\n";
 527 print '     <h1 id="titletext">Two words</h1>'."\n";
 528 print '    </div>'."\n";
 529
 530 if ($page == 0) {
 531         print '    <div id="storypuzzle">'."\n";
 532         for (my $i = 0; $i < @story_lines; ++$i) {
 533                 print '     <span class="'.($turn ? 'ni':'br').'">'.html_entity_encode_dec($story_lines[$i], 1).'</span>'."\n";
 534                 $turn = !$turn;
 535         }
 536         print '    </div>'."\n";
 537
 538         print '    <div id="command">'."\n";
 539         if ($message ne '') {
 540                 print '     <span class="br">'.$_message.'</span>'."\n";
 541         }
 542
 543         if ($turn) {
 544                 print '     <form method="post" action="'.$_twowords_url.'">'."\n";
 545                 if ($message eq '') {
 546                         if ($story{"content"} eq '') {
 547                                 print '      Two words, please:<br>'."\n";
 548                         }
 549                         else {
 550                                 print '      Please continue, two words:<br>'."\n";
 551                         }
 552                 }
 553                 print '      <input class="intx" type="text" name="words">'."\n";
 554                 print '      <input class="inbt" type="submit" value="enter">'."\n";
 555                 if(@story_lines >= (STORY_LENGTH-1)) {
 556                         print '      <input class="inbt" type="submit" name="next" value="enter and then start a new one">'."\n";
 557                 }
 558                 print '     </form>'."\n";
 559         }
 560         else {
 561                 if ($message eq '') {
 562                         print '     Wait for it.'."\n";
 563                 }
 564         }
 565         print '    </div>'."\n";
 566 }
 567 elsif ($message ne '') {
 568         print '    <div id="command">'."\n";
 569         print '     <span class="br">'.$_message.'</span>'."\n";
 570         print '    </div>'."\n";
 571 }
 572 print '   </div>'."\n";
 573
 574 if ($show_intf) {
 575         print '   <div id="framespace">'."\n";
 576         print '    <table id="intftable" cellspacing="0" cellpadding="0">'."\n";
 577         print '     <tr class="intf">'."\n";
 578         print '      <td colspan="6" class="intf"><img src="'.$_intf_img.'" alt="" class="intf"></td>'."\n";
 579         print '     </tr>'."\n";
 580
 581         print '     <tr class="intf">'."\n";
 582         print '      <td class="intf"><img src="'.$_button_5_img.'" alt="o" class="intf"></td>'."\n";
 583         print '      <td class="intf"><a href="'.$_button_4_url.'"><img src="'.$_button_4_img.'" class="intf" alt="&gt;"></a></td>'."\n";
 584         print '      <td class="intf"><a href="'.$_button_3_url.'"><img src="'.$_button_3_img.'" class="intf" alt="&lt;&lt;"></a></td>'."\n";
 585         print '      <td class="intf"><a href="'.$_button_2_url.'"><img src="'.$_button_2_img.'" class="intf" alt="&gt;&gt;"></a></td>'."\n";
 586         print '      <td class="intf"><a href="'.$_button_1_url.'"><img src="'.$_button_1_img.'" class="intf" alt="^"></a></td>'."\n";
 587         print '      <td class="intf"><a href="'.$_button_0_url.'"><img src="'.$_button_0_img.'" class="intf" alt="||"></a></td>'."\n";
 588         print '     </tr>'."\n";
 589         print '    </table>'."\n";
 590         print '   </div>'."\n";
 591 }
 592
 593 print '   <div id="insb" class="ins">'."\n";
 594
 595 print '    <div id="undertext">'."\n";
 596 for (my $i = $id_start; $i > $id_stop; --$i) {
 597         $story_i_path = DATA_STORY_PATH.$i;
 598         %new_story = read_data_file($story_i_path);
 599         print '     <p class="'.(($i&1)?'br':'ni').'" id="s'.$i.'">'.html_entity_encode_dec($new_story{'content'}).'</p>'."\n";
 600 }
 601 print '    </div>'."\n";
 602
 603 print '    <div id="underlinks">'."\n";
 604 print '     <a href="'.$_bsta_url.'">BSTA</a> |'."\n";
 605 print '     <a href="'.$_twowords_url.'">Once again</a>';
 606 if ($older_available) {
 607         print ' |'."\n";
 608         print '     <a href="'.$_older_url.'">Before</a>';
 609 }
 610 if ($newer_available) {
 611         print ' |'."\n";
 612         print '     <a href="'.$newer_url.'">Unbefore</a>';
 613 }
 614 if ($older_available) {
 615         print ' |'."\n";
 616         print '<a href="'.$_oldest_url.'">Initially</a>';
 617 }
 618 if($turn) {
 619         print ' |'."\n";
 620         print '     (Entering words here is irreversible. Your actions might be remembered forever. So please be reasonable.)';
 621 }
 622 print "\n";
 623 print '    </div>'."\n";
 624
 625 print '   </div>'."\n";
 626
 627 print_html_body_end(\*STDOUT, $ong_state == STATE->{'inactive'});
 628 print_html_end(\*STDOUT);