#
# The attachment interface
#
-# Copyright (C) 2016, 2023 Balthasar Szczepañski
+# Copyright (C) 2016, 2023 Balthasar Szczepański
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# along with this program. If not, see <http://www.gnu.org/licenses/>.
use strict;
-#use warnings;
-###PERL_LIB: use lib /botm/lib/bsta
+use utf8;
+# use Encode::Locale ('decode_argv');
+use Encode ('encode', 'decode');
-use bsta_lib qw(failpage gethttpheader getcgi readdatafile);
+###PERL_LIB: use lib /botm/lib/bsta
+use botm_common (
+ 'read_header_env',
+ 'url_query_decode',
+ 'read_data_file',
+ 'join_path'
+);
+use bsta_lib (
+ 'STATE',
+ 'merge_settings',
+ 'get_id', 'get_password',
+ 'fail_attachment', 'fail_500'
+);
+
+###PERL_PATH_SEPARATOR: PATH_SEPARATOR = /
###PERL_DATA_PATH: DATA_PATH = /botm/data/bsta
###PERL_DATA_SETTINGS_PATH: DATA_SETTINGS_PATH = /botm/data/bsta/settings
###PERL_DATA_STATE_PATH: DATA_STATE_PATH = /botm/data/bsta/state
+binmode STDIN, ':encoding(UTF-8)';
+binmode STDOUT, ':encoding(UTF-8)';
+binmode STDERR, ':encoding(UTF-8)';
+# decode_argv();
+
+my $time = time();
+srand ($time-$$);
+
my %http;
my %cgi;
my %settings;
my %state;
-my %filedata;
-
-my $time = time();
-srand ($time-$$);
+my %file_data;
my $method;
my $ID;
my $frame;
my $password;
-my $passwordOK;
+my $password_ok;
my $IP;
my $buffer;
-my @fileinfo;
-my $file;
-my $filepath;
+my $fh;
+my $file_path;
my $direct;
delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
###PERL_SET_PATH: $ENV{'PATH'} = /usr/local/bin:/usr/bin:/bin;
if ($ENV{'REQUEST_METHOD'} =~ /^(HEAD|GET|POST)$/) {
- $method=$1;
+ $method = $1;
}
else{
- exit failpage("Status: 405 Method Not Allowed\nAllow: GET, POST, HEAD\n","405 Method Not Allowed","The interface does not support the $ENV{'REQUEST_METHOD'} method.",$method);
+ exit fail_method($ENV{'REQUEST_METHOD'}, 'GET, POST, HEAD');
}
-%http = gethttpheader (\%ENV);
-%cgi = getcgi($ENV{'QUERY_STRING'});
+%http = read_header_env(\%ENV);
+%cgi = url_query_decode($ENV{'QUERY_STRING'});
if ($method eq 'POST') {
if ($http{'content-type'} eq 'application/x-www-form-urlencoded') {
- my %cgipost=getcgi( <STDIN> );
- foreach my $ind (keys %cgipost) {
- $cgi{$ind}=$cgipost{$ind};
- }
+ my %cgi_post = url_query_decode( <STDIN> );
+ %cgi = merge_settings(\%cgi, \%cgi_post);
}
# multipart not supported
else{
- exit failpage("Status: 415 Unsupported Media Type\n","415 Unsupported Media Type","Unsupported Content-type: $http{'content-type'}.");
+ exit fail_content_type($method, $http{'content-type'});
}
}
# print "content-type: text/plain\n\n";
-if ($cgi{'i'} =~ /^(.+)$/) {
- $ID=int($1);
-}
-elsif ($ENV{'PATH_INFO'} =~ /^\/(.+)$/) {
- $ID=int($1);
-}
-else {
- $ID = 0;
-}
+$ID = get_id( \%cgi);
+$password = get_password(\%cgi);
-if ($cgi{'p'} =~ /^(.+)$/) {
- $password=$1;
-}
-else {
- $password='';
-}
+%settings = read_data_file(DATA_SETTINGS_PATH);
+%state = read_data_file(DATA_STATE_PATH);
+%file_data = read_data_file(join_path(PATH_SEPARATOR(), DATA_PATH(), 'a'.$ID));
+$frame = ($file_data{'frame'} ne '') ? int($file_data{'frame'}) : -1;
-%settings=readdatafile(DATA_SETTINGS_PATH);
-%state=readdatafile(DATA_STATE_PATH);
-%filedata=readdatafile(DATA_PATH.'a'.$ID);
-if ($filedata{'frame'} ne '') {
- $frame=int($filedata{'frame'});
-}
-else {
- $frame = -1;
-}
+$password_ok = ($password eq $settings{'password'});
-if($password eq $settings{'password'}){
- $passwordOK = 1;
-}
-else{
- $passwordOK = 0;
+unless (
+ ($file_data{'filename'} ne '') && (
+ $password_ok || (
+ (int($state{'state'}) >= STATE->{'waiting'}) &&
+ ($frame <= int($state{'last'})) &&
+ ($frame >=0)
+ )
+ )
+) {
+ exit fail_attachment($method, $ID);
}
-if ($filedata{'filename'} ne '' && ($passwordOK || (int($state{'state'}) >= 1 && $frame <= int($state{'last'}) && $frame >=0))) {
-}
-else {
- exit failpage("Status: 404 Not Found\n","404 Not Found"," Attachment ".$ID." not found.");
-}
-
-if ($filedata{'content'} ne '') {
- $direct=1;
+if ($file_data{'content'} ne '') {
+ $direct = 1;
}
else {
$direct = 0;
- $filepath=DATA_PATH.$filedata{'filename'};
- open($file,'<',$filepath) or exit failpage("Status: 404 Not Found\n","404 Not Found"," Attachment ".$ID." not found.");
- unless(binmode($file)) {
- close($file);
- return failpage("Status: 500 Internal Server Error\n","500 Internal Server Error"," Can't switch to binary mode.");
+ $file_path = join_path(PATH_SEPARATOR(), DATA_PATH(), $file_data{'filename'});
+ unless (open($fh,'<', encode('locale_fs', $file_path))) {
+ exit fail_attachment($method, $ID);
}
- if (my @fileinfo = stat($filepath)){
- print 'Content-length: '.$fileinfo[7]."\n";
+ unless(binmode($fh)) {
+ close($fh);
+ exit fail_500("Can't switch file to binary mode.");
+ }
+ if (my @file_info = stat($file_path)) {
+ print 'Content-length: '.$file_info[7]."\n";
+ }
+}
+print 'Content-type: '.$file_data{'content-type'}."\n";
+print 'Content-disposition: attachment; filename="'.$file_data{'filename'}.'"'."\n";
+unless ($direct) {
+ unless (binmode STDOUT) {
+ close($fh);
+ exit fail_500("Can't switch output to binary mode.");
}
}
-print 'Content-type: '.$filedata{'content-type'}."\n";
-print 'Content-disposition: attachment; filename="'.$filedata{'filename'}.'"'."\n";
print "\n";
+
if($method ne 'HEAD'){
if($direct) {
- print $filedata{'content'};
+ print $file_data{'content'};
}
else {
- while (read ($file,$buffer,1024)) {
+ while (read ($fh, $buffer, 1024)) {
print (STDOUT $buffer);
}
}
}
-if (!$direct) {
- close($file);
+unless ($direct) {
+ close($fh);
}
-
our @EXPORT = ();
our @EXPORT_OK = (
'STATE', 'TEXT_MODE', 'INTF_STATE',
- 'failpage', 'fail_method', 'fail_content_type', 'fail_open_file', 'fail_500',
+ 'failpage',
+ 'fail_method', 'fail_content_type', 'fail_open_file', 'fail_attachment', 'fail_500',
'redirect',
- 'get_remote_addr', 'get_frame', 'get_password',
+ 'get_remote_addr', 'get_id', 'get_frame', 'get_password',
'merge_settings',
'print_html_start', 'print_html_end',
'print_html_head_start', 'print_html_head_end',
);
}
+sub fail_attachment
+{
+ (my $method, my $ID) = @_;
+
+ return failpage(
+ "Status: 404 Not Found\n",
+ "404 Not Found",
+ "Attachment $ID not found.",
+ $method
+ );
+}
+
sub fail_500
{
(my $method, my $text) = @_;
}
}
-# function to obtain frame number
-sub get_frame {
- (my $cgi) = @_;
+# functions to get ID/number etc.
+sub get_id {
+ (my $cgi, my $cgi_name) = @_;
+ if ($cgi_name eq '') {
+ $cgi_name = 'i';
+ }
- if ($cgi->{'f'} =~ /^.+$/) {
+ if ($cgi->{$cgi_name} =~ /^.+$/) {
return int($&);
}
elsif ($ENV{'PATH_INFO'} =~ /^\/(.+)$/) {
}
}
+# function to obtain frame number
+sub get_frame {
+ (my $cgi) = @_;
+ return get_id($cgi, 'f');
+}
+
# function to obtain password
sub get_password {
(my $cgi) = @_;
) = @_;
my $fh;
- my $frame = int($context->{'frame'});
+ my $launch = $context->{'launch'};
+ my $access = $context->{'access'};
+ my $password_ok = $context->{'password_ok'};
+ my $static = $context->{'static'};
+
+ my $frame = int($context->{'frame'});
+ my $text_mode = int($context->{'text_mode'});
+ my $timer_unlocked = int($context->{'timer_unlocked'});
+ my $timer = int($context->{'timer'});
+
# my $prev_frame = $frame - 1;
my $next_frame = $frame + 1;
$frame_data->{'command'} :
$next_frame_data->{'title'};
- my $access = $context->{'access'};
- my $password_ok = $context->{'password_ok'};
- my $static = $context->{'static'};
-
- my $text_mode = int($context->{'text_mode'});
- my $timer_unlocked = int($context->{'timer_unlocked'});
- my $timer = int($context->{'timer'});
-
my $last_frame = int($state->{'last'});
my $ong_state = int($state->{'state'});
}
my $prev_available = (($frame > 0) && $access);
- my $next_available = ($password_ok || ($next_frame <= $last_frame));
+ my $next_available = ($launch || $password_ok || ($next_frame <= $last_frame));
my $prefetch_next = (
$password_ok ||
($next_frame < $last_frame) || ( # avoid unseen trigger!
);
my $show_timer = (
(
- $access &&
- ($ong_state == STATE->{'inactive'}) &&
- ($frame == 0)
+ $access && $launch
) || (
($frame == $last_frame) && (
($ong_state == STATE->{'waiting'}) ||
)
);
my $show_command = (
+ $launch ||
$password_ok ||
(!$access) ||
($frame < $last_frame) || (
$r = print_viewer_page(
$fh,
{
+ 'launch' => 0,
'frame' => 0,
'access' => 1,
'password_ok' => 0,
$r = print_viewer_page(
$fh,
{
+ 'launch' => 1,
'frame' => 0,
'access' => 1,
'password_ok' => 0,
'timer_unlocked' => 3,
'timer' => 0,
'static' => 1,
- 'show_command' => 1
+ 'show_command' => 1,
},
$state,
$settings,
bicyclesonthemoon.info / projects / ott / bsta / commitdiff