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
  54 binmode STDIN,  ':encoding(UTF-8)';
  55 binmode STDOUT, ':encoding(UTF-8)';
  56 binmode STDERR, ':encoding(UTF-8)';
  57 # decode_argv();
  58
  59 my $time = time();
  60 srand ($time-$$);
  61
  62 my %http;
  63 my %cgi;
  64 my %frame_data;
  65 my %next_frame_data;
  66 my %default;
  67 my %settings;
  68 my %state;
  69 my %new_state;
  70 my %goto_list;
  71
  72 my $method;
  73 my $frame;
  74 my $frame_data_path;
  75 my $next_frame_data_path;
  76 my $password;
  77 my $password_ok;
  78 my $IP;
  79 my $access;
  80 my $timer;
  81 my $timer_unlocked;
  82 my $state_file;
  83 my $show_command;
  84 my $ongtime;
  85 my $text_mode;
  86
  87 delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
  88 ###PERL_SET_PATH: $ENV{'PATH'} = /usr/local/bin:/usr/bin:/bin;
  89
  90 if ($ENV{'REQUEST_METHOD'} =~ /^(HEAD|GET|POST)$/) {
  91         $method = $1;
  92 }
  93 else{
  94         exit fail_method($ENV{'REQUEST_METHOD'}, 'GET, POST, HEAD');
  95 }
  96
  97 %http = read_header_env(\%ENV);
  98 %cgi = url_query_decode($ENV{'QUERY_STRING'});
  99
 100 if ($method eq 'POST') {
 101         if ($http{'content-type'} eq 'application/x-www-form-urlencoded') {
 102                 my %cgi_post = url_query_decode( <STDIN> );
 103                 %cgi = merge_settings(\%cgi, \%cgi_post);
 104         }
 105         # multipart not supported
 106         else{
 107                 exit fail_content_type($method, $http{'content-type'});
 108         }
 109 }
 110
 111 $IP = get_remote_addr();
 112 $frame = get_frame(\%cgi);
 113 $password = get_password(\%cgi);
 114
 115 %settings  = read_data_file(DATA_SETTINGS_PATH());
 116 %default   = read_data_file(DATA_DEFAULT_PATH());
 117
 118 if ($frame >= 0) {
 119         $frame_data_path = join_path(PATH_SEPARATOR(), DATA_PATH(), $frame);
 120         %frame_data= read_data_file($frame_data_path);
 121 }
 122
 123 $password_ok = ($password eq $settings{'password'});
 124
 125 # state & activation logic
 126 if (open_encoded($state_file, "+<:encoding(UTF-8)", DATA_STATE_PATH())) {
 127         if (flock($state_file, 2)) {
 128
 129                 %state = read_data_file($state_file);
 130
 131                 if ($frame < 0) {
 132                         $frame = int($state{'last'}) + $frame +1;
 133                         $frame_data_path = join_path(PATH_SEPARATOR(), DATA_PATH(), $frame);
 134                         %frame_data = read_data_file($frame_data_path);
 135                 }
 136
 137                 if (
 138                         (int($state{'state'}) == STATE->{'waiting'}) &&
 139                         ($frame == int($state{'last'})) &&
 140                         ($method ne 'HEAD') &&
 141                         (!$password_ok)
 142                 ) {
 143                         # register IP for progress
 144                         my %new_state = %state;
 145                         unless (
 146                                 ($state{'ip1'} eq $IP) ||
 147                                 ($state{'ip2'} eq $IP) ||
 148                                 ($state{'ip3'} eq $IP)
 149                         )
 150                         {
 151                                 if ($state{'ip1'} eq '') {
 152                                         $new_state{'ip1'} = $IP;
 153                                 }
 154                                 elsif ($state{'ip2'} eq '') {
 155                                         $new_state{'ip2'} = $IP;
 156                                 }
 157                                 elsif ($state{'ip3'} eq '') {
 158                                         $new_state{'ip3'} = $IP;
 159                                         $new_state{'state'} = STATE->{'ready'};
 160                                 }
 161                                 else {
 162                                         $new_state{'state'} = STATE->{'ready'};
 163                                 }
 164                                 write_data_file($state_file, '', '', \%new_state);
 165                         }
 166                 }
 167                 elsif (
 168                         (int($state{'state'}) == STATE->{'inactive'}) &&
 169                         ($frame == 1)
 170                 ) {
 171                         # ready to activate?
 172                         # NOTE: at this point frame 0 is already ONGed.
 173                         my %story;
 174                         my $ong_time = int($settings{'firstongtime'});
 175                         my $r;
 176
 177                         %story     = read_data_file(DATA_STORY_PATH());
 178
 179                         if (
 180                                 (int($story{'state'}) == INTF_STATE->{'>|'} ) &&
 181                                 (int($story{'pass'}) == 1)
 182                         ) {
 183                                 # conditions met; ACTIVATE!
 184
 185                                 # set initial state
 186                                 $state{'state'} = STATE->{'waiting'};
 187                                 $state{'last'}  = 1;
 188                                 $state{'ip1'}   = '0.0.0.0';
 189                                 $state{'ip2'}   = '0.0.0.0';
 190                                 $state{'ip3'}   = '';
 191                                 $state{'nextong'} = (int($time / 3600) + int($settings{'firstongtime'})) * 3600 ;
 192                                 $state{'ongtime'} = $ong_time;
 193
 194                                 # prepare to ONG frame 1
 195
 196                                 $r = ong(
 197                                         1,         # frame ID
 198                                         $time,     # ONG time,
 199                                         $ong_time, # timer
 200                                         0,         # update
 201                                         0,         # print
 202                                         \%settings,
 203                                         \%default,
 204                                         \%frame_data,
 205                                         ''         # %goto_list
 206                                 );
 207                                 if ($r) {
 208                                         $r = write_index(\%state, \%settings);
 209                                 }
 210                                 if ($r) {
 211                                         $r = write_data_file($state_file,     '','', \%state);
 212                                 }
 213                                 unless ($r) {
 214                                         # FAILED ONG! Story as if it was inactive!
 215                                         $state{'state'} = STATE->{'inactive'};
 216                                 }
 217                         }
 218                 }
 219         }
 220         else {
 221                 # FAILED GET STATE! Story as if it was inactive!
 222                 $state{'state'} = STATE->{'inactive'};
 223         }
 224         close ($state_file);
 225 }
 226 else {
 227         $state{'state'} = STATE->{'inactive'};
 228 }
 229
 230 $next_frame_data_path = join_path(PATH_SEPARATOR(), DATA_PATH(), $frame+1);
 231 %next_frame_data = read_data_file($next_frame_data_path);
 232
 233 # apply defaults
 234 %frame_data      = merge_settings(\%default,      \%frame_data);
 235 %next_frame_data = merge_settings(\%default, \%next_frame_data);
 236
 237 $timer   = int($state{'nextong'}) - $time;
 238 $ongtime = int($state{'ongtime'});
 239 if($ongtime == 0) {
 240         $ongtime = int($settings{'ongtime'})
 241 }
 242
 243 $show_command = ($timer < ($ongtime*3600/3));
 244 if ($state{'state'} >= STATE->{'ready'}) {
 245         $timer_unlocked = 3;
 246 }
 247 elsif ($state{'ip3'} ne '') {
 248         $timer_unlocked = 3;
 249 }
 250 elsif ($state{'ip2'} ne '') {
 251         $timer_unlocked = 2;
 252 }
 253 elsif ($state{'ip1'} ne '') {
 254         $timer_unlocked = 1;
 255 }
 256 else {
 257         $timer_unlocked = 0;
 258 }
 259
 260 if (
 261                 $password_ok || (
 262                         (int($state{'state'}) >= STATE->{'waiting'}) &&
 263                         ($frame <= int($state{'last'})) &&
 264                         ($frame >= 0)
 265                 )
 266         ) {
 267         $access = 1;
 268 }
 269 else {
 270         $access = 0;
 271         # replace frame data with fail state replacement
 272         %frame_data = read_data_file(DATA_NOACCESS_PATH());
 273         %frame_data = merge_settings(\%default, \%frame_data);
 274 }
 275
 276 $text_mode = int($cgi{'b'});
 277 if($text_mode > 2) {
 278         $text_mode = TEXT_MODE->{'normal'};
 279 }
 280
 281 print "Content-type: text/html\n";
 282 if(!$access) {
 283         print "Status: 403 Forbidden\n";
 284 }
 285 print "\n";
 286 if($method eq 'HEAD') {
 287         exit;
 288 }
 289
 290 print_viewer_page (
 291         \*STDOUT,
 292         {
 293                 'launch'        => 0,
 294                 'frame'         => $frame,
 295                 'access'        => $access,
 296                 'password_ok'   => $password_ok,
 297                 'timer_unlocked'=> $timer_unlocked,
 298                 'timer'         => $timer,
 299                 'static'        => 0,
 300                 'show_command'  => $show_command,
 301                 'text_mode'     => $text_mode,
 302         },
 303         \%state,
 304         \%settings,
 305         \%frame_data,
 306         \%next_frame_data
 307 );