futami/public/index.php

311 lines
9.1 KiB
PHP

<?php
define('FTM_ROOT', __DIR__ . '/..');
define('FTM_HASH', 'xxh3');
define('FTM_PATH_PUB', FTM_ROOT . '/public');
define('FTM_PATH_PRV', FTM_ROOT . '/private');
define('FTM_COMMON_CONFIG', FTM_PATH_PRV . '/common.ini');
define('FTM_SOUND_LIBRARY', FTM_PATH_PRV . '/sound-library.ini');
define('FTM_SOUND_PACKS', FTM_PATH_PRV . '/sound-packs.ini');
define('FTM_TEXT_TRIGGERS', FTM_PATH_PRV . '/text-triggers.ini');
define('FTM_LEGACY_SOUND_TYPE', [
'opus' => 'audio/ogg',
'ogg' => 'audio/ogg',
'mp3' => 'audio/mpeg',
'caf' => 'audio/x-caf',
'wav' => 'audio/wav',
]);
define('FTM_FILE_HASH_MAP', [
'common' => [FTM_COMMON_CONFIG],
'sounds' => [FTM_SOUND_LIBRARY, FTM_SOUND_PACKS],
'sounds2' => [FTM_SOUND_LIBRARY, FTM_SOUND_PACKS],
'texttriggers' => [FTM_TEXT_TRIGGERS],
'soundtriggers' => [FTM_TEXT_TRIGGERS],
]);
header('X-Powered-By: Futami');
$reqMethod = (string)filter_input(INPUT_SERVER, 'REQUEST_METHOD');
if($reqMethod === 'OPTIONS') {
http_response_code(204);
header('Access-Control-Allow-Methods: OPTIONS, GET');
header('Access-Control-Allow-Headers: Cache-Control');
return;
}
if($reqMethod !== 'HEAD' && $reqMethod !== 'GET') {
http_response_code(405);
return;
}
function json_out($data): void {
header('Content-Type: application/json; charset=utf-8');
echo json_encode($data);
exit;
}
function ftm_hash_str(string $data): string {
return hash(FTM_HASH, $data);
}
function ftm_hash_file(string $path): string {
return hash_file(FTM_HASH, $path);
}
function hash_mapped_file(string $name): string {
$files = FTM_FILE_HASH_MAP[$name] ?? [];
if(count($files) === 1)
return ftm_hash_file($files[0]);
$data = '';
foreach($files as $file)
$data .= file_get_contents($file);
return ftm_hash_str($data);
}
function match_etag($eTag): void {
if(filter_input(INPUT_SERVER, 'HTTP_IF_NONE_MATCH') === $eTag) {
http_response_code(304);
exit;
}
}
function gen_etag(string $user, string $data): string {
return sprintf('W/"%s-%s"', ftm_hash_str($data), $user);
}
function gen_etag_file(string $user, string $path): string {
return gen_etag($user, ftm_hash_file($path));
}
function etag(string $etag): void {
match_etag($etag);
header('ETag: ' . $etag);
}
function etag_data(string $user, string $data): void {
etag(gen_etag($user, $data));
}
function etag_file(string $user, string $path): void {
etag(gen_etag_file($user, $path));
}
$reqPath = '/' . trim(parse_url((string)filter_input(INPUT_SERVER, 'REQUEST_URI'), PHP_URL_PATH), '/');
if($reqPath === '/' || $reqPath === '/index.html' || $reqPath === '/index.php') {
header('X-Accel-Redirect: /index.html');
return;
}
header('Cache-Control: max-age=86400, must-revalidate');
header('Access-Control-Allow-Origin: *');
if($reqPath === '/common.json') {
etag_file('common', FTM_COMMON_CONFIG);
$config = parse_ini_file(FTM_COMMON_CONFIG, false, INI_SCANNER_TYPED);
$common = new stdClass;
foreach($config as $key => $value) {
if($key === 'colours') {
$dict = $value;
$value = [];
foreach($dict as $name => $raw)
$value[] = ['n' => $name, 'c' => $raw];
} elseif(is_string($value) && str_starts_with($value, '::')) {
$parts = explode(':', substr($value, 2));
$hash = hash_mapped_file($parts[0]);
$value = sprintf($parts[1], $hash);
}
$common->{$key} = $value;
}
json_out($common);
}
if(preg_match('#^/sounds2(\.[a-f0-9]{8})?.json$#', $reqPath)) {
$sndLibData = file_get_contents(FTM_SOUND_LIBRARY);
$sndPackData = file_get_contents(FTM_SOUND_PACKS);
etag_data('sounds2', $sndLibData . $sndPackData);
$sounds = new stdClass;
$sndLib = parse_ini_string($sndLibData, true, INI_SCANNER_TYPED);
$sndPacks = parse_ini_string($sndPackData, true, INI_SCANNER_TYPED);
$sounds->library = [];
foreach($sndLib as $name => $info)
$sounds->library[] = [
'name' => $name,
'title' => $info['title'],
'sources' => $info['sources'],
];
$sounds->packs = [];
foreach($sndPacks as $name => $info)
$sounds->packs[] = [
'name' => $name,
'title' => $info['title'],
'events' => $info['events'],
];
json_out($sounds);
}
if(preg_match('#^/sounds(\.[a-f0-9]{8})?.json$#', $reqPath)) {
$sndLibData = file_get_contents(FTM_SOUND_LIBRARY);
$sndPackData = file_get_contents(FTM_SOUND_PACKS);
etag_data('sounds', $sndLibData . $sndPackData);
$sounds = new stdClass;
$sndLib = parse_ini_string($sndLibData, true, INI_SCANNER_TYPED);
$sndPacks = parse_ini_string($sndPackData, true, INI_SCANNER_TYPED);
$sounds->library = [];
foreach($sndLib as $name => $info) {
$sources = [];
foreach($info['sources'] as $type => $path) {
$sources[] = [
'format' => FTM_LEGACY_SOUND_TYPE[$type],
'url' => $path,
];
}
$sounds->library[] = [
'id' => $name,
'name' => $info['title'],
'sources' => $sources,
];
}
$sounds->packs = [];
foreach($sndPacks as $name => $info)
$sounds->packs[] = [
'id' => $name,
'name' => $info['title'],
'events' => $info['events'],
];
json_out($sounds);
}
if(preg_match('#^/texttriggers(\.[a-f0-9]{8})?.json$#', $reqPath)) {
etag_file('texttriggers', FTM_TEXT_TRIGGERS);
$triggers = parse_ini_file(FTM_TEXT_TRIGGERS, true, INI_SCANNER_TYPED);
if($triggers === false)
$triggers = [];
else
$triggers = array_values($triggers);
json_out($triggers);
}
if(preg_match('#^/soundtriggers(\.[a-f0-9]{8})?.json$#', $reqPath)) {
etag_file('soundtriggers', FTM_TEXT_TRIGGERS);
$textTriggers = parse_ini_file(FTM_TEXT_TRIGGERS, true, INI_SCANNER_TYPED);
$sndLib = parse_ini_file(FTM_SOUND_LIBRARY, true, INI_SCANNER_TYPED);
$soundTrigs = [];
foreach($textTriggers as $triggerInfo) {
if($triggerInfo['type'] !== 'sound' && $triggerInfo['type'] !== 'alias')
continue;
$soundTrig = [];
if($triggerInfo['type'] === 'sound') {
$sounds = [];
foreach($triggerInfo['sounds'] as $soundName) {
if(!isset($sndLib[$soundName]))
continue;
$sound = [];
$libSound = $sndLib[$soundName];
if(isset($libSound['sources']['mp3']))
$sound['m'] = $libSound['sources']['mp3'];
if(isset($libSound['sources']['ogg']))
$sound['o'] = $libSound['sources']['ogg'];
if(isset($libSound['sources']['opus']))
$sound['o'] = $libSound['sources']['opus'];
if(isset($libSound['sources']['caf']))
$sound['c'] = $libSound['sources']['caf'];
if(empty($sound))
continue;
if(isset($triggerInfo['volume'])) {
$sound['v'] = ceil(($triggerInfo['volume'] - 1) * 100);
$sound['v2'] = $triggerInfo['volume'];
}
if(isset($triggerInfo['rate']))
$sound['r'] = $triggerInfo['rate'];
$sounds[] = $sound;
}
$soundTrig['s'] = $sounds;
} elseif($triggerInfo['type'] === 'alias') {
$soundTrig['f'] = $triggerInfo['for'];
}
$matches = [];
foreach($triggerInfo['match'] as $match) {
$filters = [];
$value = null;
$notValue = null;
$parts = explode(';', $match);
foreach($parts as $part) {
$part = explode(':', trim($part));
switch($part[0]) {
case 'lc':
$filters[] = 'lower';
break;
case 'is':
$filters[] = 'exact';
$value = trim($part[1]);
break;
case 'starts':
$filters[] = 'starts';
$value = trim($part[1]);
break;
case 'has':
$filters[] = 'contains';
$value = trim($part[1]);
break;
case 'hasnot':
$notValue = trim($part[1]);
break;
default:
$filters[] = 'missing:' . $part[0];
break;
}
}
$matchNew = ['t' => implode(':', $filters)];
if($value !== null)
$matchNew['m'] = $value;
if($notValue !== null)
$matchNew['n'] = $notValue;
$matches[] = $matchNew;
}
$soundTrig['t'] = $matches;
$soundTrigs[] = $soundTrig;
}
json_out([
'meta' => [
'baseUrl' => '',
],
'triggers' => $soundTrigs,
]);
}
http_response_code(404);