bicyclesonthemoon.info Git - ott/bsta/blob - viewer.1.pl

   1 ###RUN_PERL: #!/usr/bin/perl
   2
   3 # /bsta/v
   4 # viewer is generated from viewer.1.pl.
   5 #
   6 # The viewer interface
   7 #
   8 # Copyright (C) 2016, 2017, 2019, 2020, 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_header_env',
  31         'read_data_file', 'write_data_file',
  32         'url_query_decode',
  33         'join_path',
  34         'open_encoded'
  35 );
  36 use bsta_lib (
  37         'STATE', 'TEXT_MODE', 'INTF_STATE',
  38         'fail_method', 'fail_content_type',
  39         'get_remote_addr', 'get_frame', 'get_password',
  40         'merge_settings',
  41         'print_viewer_page', 'write_index',
  42         'ong'
  43 );
  44
  45 ###PERL_PATH_SEPARATOR:     PATH_SEPARATOR     = /
  46
  47 ###PERL_DATA_PATH:          DATA_PATH          = /botm/data/bsta/
  48 ###PERL_DATA_DEFAULT_PATH:  DATA_DEFAULT_PATH  = /botm/data/bsta/default
  49 ###PERL_DATA_NOACCESS_PATH: DATA_NOACCESS_PATH = /botm/data/bsta/noaccess
  50 ###PERL_DATA_SETTINGS_PATH: DATA_SETTINGS_PATH = /botm/data/bsta/settings
  51 ###PERL_DATA_STATE_PATH:    DATA_STATE_PATH    = /botm/data/bsta/state
  52 ###PERL_DATA_STORY_PATH:    DATA_STORY_PATH    = /botm/data/bsta/story
  53 ###PERL_DATA_WORDS_PATH:    DATA_WORDS_PATH    = /botm/data/bsta/words/
  54
  55 binmode STDIN,  ':encoding(UTF-8)';
  56 binmode STDOUT, ':encoding(UTF-8)';
  57 binmode STDERR, ':encoding(UTF-8)';
  58 # decode_argv();
  59
  60 my $time = time();
  61 srand ($time-$$);
  62
  63 my %http;
  64 my %cgi;
  65 my %frame_data;
  66 my %next_frame_data;
  67 my %default;
  68 my %settings;
  69 my %state;
  70 my %new_state;
  71 my %goto_list;
  72 my %words_data;
  73
  74 my $method;
  75 my $frame;
  76 my $frame_data_path;
  77 my $next_frame_data_path;
  78 my $password;
  79 my $password_ok;
  80 my $IP;
  81 my $access;
  82 my $timer;
  83 my $timer_unlocked;
  84 my $fh;
  85 my $show_command;
  86 my $ongtime;
  87 my $text_mode;
  88 my $words_page;
  89 my $words_data_path;
  90
  91 delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
  92 ###PERL_SET_PATH: $ENV{'PATH'} = /usr/local/bin:/usr/bin:/bin;
  93
  94 if ($ENV{'REQUEST_METHOD'} =~ /^(HEAD|GET|POST)$/) {
  95         $method = $1;
  96 }
  97 else{
  98         exit fail_method($ENV{'REQUEST_METHOD'}, 'GET, POST, HEAD');
  99 }
 100
 101 %http = read_header_env(\%ENV);
 102 %cgi = url_query_decode($ENV{'QUERY_STRING'});
 103
 104 if ($method eq 'POST') {
 105         if ($http{'content-type'} eq 'application/x-www-form-urlencoded') {
 106                 my %cgi_post = url_query_decode( <STDIN> );
 107                 %cgi = merge_settings(\%cgi, \%cgi_post);
 108         }
 109         # multipart not supported
 110         else{
 111                 exit fail_content_type($method, $http{'content-type'});
 112         }
 113 }
 114
 115 $IP = get_remote_addr();
 116 $frame = get_frame(\%cgi);
 117 $password = get_password(\%cgi);
 118
 119 %settings  = read_data_file(DATA_SETTINGS_PATH());
 120 %default   = read_data_file(DATA_DEFAULT_PATH());
 121
 122 if ($frame >= 0) {
 123         $frame_data_path = join_path(PATH_SEPARATOR(), DATA_PATH(), $frame);
 124         %frame_data= read_data_file($frame_data_path);
 125 }
 126
 127 $password_ok = ($password eq $settings{'password'});
 128
 129 # state & activation logic
 130 if (open_encoded($fh, "+<:encoding(UTF-8)", DATA_STATE_PATH())) {
 131         if (flock($fh, 2)) {
 132
 133                 %state = read_data_file($fh);
 134
 135                 if ($frame < 0) {
 136                         $frame = int($state{'last'}) + $frame +1;
 137                         $frame_data_path = join_path(PATH_SEPARATOR(), DATA_PATH(), $frame);
 138                         %frame_data = read_data_file($frame_data_path);
 139                 }
 140
 141                 if (
 142                         (int($state{'state'}) == STATE->{'waiting'}) &&
 143                         ($frame == int($state{'last'})) &&
 144                         ($method ne 'HEAD') &&
 145                         (!$password_ok)
 146                 ) {
 147                         # register IP for progress
 148                         my %new_state = %state;
 149                         unless (
 150                                 ($state{'ip1'} eq $IP) ||
 151                                 ($state{'ip2'} eq $IP) ||
 152                                 ($state{'ip3'} eq $IP)
 153                         )
 154                         {
 155                                 if ($state{'ip1'} eq '') {
 156                                         $new_state{'ip1'} = $IP;
 157                                 }
 158                                 elsif ($state{'ip2'} eq '') {
 159                                         $new_state{'ip2'} = $IP;
 160                                 }
 161                                 elsif ($state{'ip3'} eq '') {
 162                                         $new_state{'ip3'} = $IP;
 163                                         $new_state{'state'} = STATE->{'ready'};
 164                                 }
 165                                 else {
 166                                         $new_state{'state'} = STATE->{'ready'};
 167                                 }
 168                                 write_data_file($fh, \%new_state);
 169                         }
 170                 }
 171                 elsif (
 172                         (int($state{'state'}) == STATE->{'inactive'}) &&
 173                         ($frame == 1)
 174                 ) {
 175                         # ready to activate?
 176                         # NOTE: at this point frame 0 is already ONGed.
 177                         my %story;
 178                         my $ong_time = int($settings{'firstongtime'});
 179                         my $r;
 180
 181                         %story     = read_data_file(DATA_STORY_PATH());
 182
 183                         if (
 184                                 (int($story{'state'}) == INTF_STATE->{'>|'} ) &&
 185                                 (int($story{'pass'}) == 1)
 186                         ) {
 187                                 # conditions met; ACTIVATE!
 188
 189                                 # set initial state
 190                                 $state{'state'} = STATE->{'waiting'};
 191                                 $state{'last'}  = 1;
 192                                 $state{'ip1'}   = '0.0.0.0';
 193                                 $state{'ip2'}   = '0.0.0.0';
 194                                 $state{'ip3'}   = '';
 195                                 $state{'nextong'} = (int($time / 3600) + int($settings{'firstongtime'})) * 3600 ;
 196                                 $state{'ongtime'} = $ong_time;
 197
 198                                 # prepare to ONG frame 1
 199
 200                                 $r = ong(
 201                                         1,         # frame ID
 202                                         $time,     # ONG time,
 203                                         $ong_time, # timer
 204                                         0,         # update
 205                                         0,         # print
 206                                         \%settings,
 207                                         \%default,
 208                                         \%frame_data,
 209                                         ''         # %goto_list
 210                                 );
 211                                 if ($r) {
 212                                         $r = write_index(\%state, \%settings);
 213                                 }
 214                                 if ($r) {
 215                                         $r = write_data_file($fh, \%state);
 216                                 }
 217                                 unless ($r) {
 218                                         # FAILED ONG! Story as if it was inactive!
 219                                         $state{'state'} = STATE->{'inactive'};
 220                                 }
 221                         }
 222                 }
 223         }
 224         else {
 225                 # FAILED GET STATE! Story as if it was inactive!
 226                 $state{'state'} = STATE->{'inactive'};
 227         }
 228         close ($fh);
 229 }
 230 else {
 231         $state{'state'} = STATE->{'inactive'};
 232 }
 233
 234 $next_frame_data_path = join_path(PATH_SEPARATOR(), DATA_PATH(), $frame+1);
 235 %next_frame_data = read_data_file($next_frame_data_path);
 236
 237 # apply defaults
 238 %frame_data      = merge_settings(\%default,      \%frame_data);
 239 %next_frame_data = merge_settings(\%default, \%next_frame_data);
 240
 241 $timer   = int($state{'nextong'}) - $time;
 242 $ongtime = int($state{'ongtime'});
 243 if($ongtime == 0) {
 244         $ongtime = int($settings{'ongtime'})
 245 }
 246
 247 $show_command = ($timer < ($ongtime*3600/3));
 248 if ($state{'state'} >= STATE->{'ready'}) {
 249         $timer_unlocked = 3;
 250 }
 251 elsif ($state{'ip3'} ne '') {
 252         $timer_unlocked = 3;
 253 }
 254 elsif ($state{'ip2'} ne '') {
 255         $timer_unlocked = 2;
 256 }
 257 elsif ($state{'ip1'} ne '') {
 258         $timer_unlocked = 1;
 259 }
 260 else {
 261         $timer_unlocked = 0;
 262 }
 263
 264 if (
 265                 $password_ok || (
 266                         (int($state{'state'}) >= STATE->{'waiting'}) &&
 267                         ($frame <= int($state{'last'})) &&
 268                         ($frame >= 0)
 269                 )
 270         ) {
 271         $access = 1;
 272 }
 273 else {
 274         $access = 0;
 275         # replace frame data with fail state replacement
 276         %frame_data = read_data_file(DATA_NOACCESS_PATH());
 277         %frame_data = merge_settings(\%default, \%frame_data);
 278 }
 279
 280 $text_mode = int($cgi{'b'});
 281 if($text_mode > TEXT_MODE->{'words'}) {
 282         $text_mode = TEXT_MODE->{'normal'};
 283 }
 284 $words_page = int($cgi{'i'});
 285
 286 $words_data_path = join_path(PATH_SEPARATOR(), DATA_WORDS_PATH(), $frame);
 287 %words_data = read_data_file(
 288         $words_data_path, # file
 289         '', # encoding
 290         0,  # no header
 291         ($text_mode != TEXT_MODE->{'words'}), # header only
 292         1,  # as list
 293 );
 294
 295 print "Content-type: text/html\n";
 296 if(!$access) {
 297         print "Status: 403 Forbidden\n";
 298 }
 299 print "\n";
 300 if($method eq 'HEAD') {
 301         exit;
 302 }
 303
 304 print_viewer_page (
 305         \*STDOUT,
 306         {
 307                 'launch'        => 0,
 308                 'frame'         => $frame,
 309                 'access'        => $access,
 310                 'password_ok'   => $password_ok,
 311                 'timer_unlocked'=> $timer_unlocked,
 312                 'timer'         => $timer,
 313                 'static'        => 0,
 314                 'show_command'  => $show_command,
 315                 'text_mode'     => $text_mode,
 316                 'words_page'    => $words_page
 317         },
 318         \%state,
 319         \%settings,
 320         \%frame_data,
 321         \%next_frame_data,
 322         \%words_data,
 323 );