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