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update.php
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<?php
declare(strict_types=1);
ini_set( 'memory_limit', '1G' ); // Some files may be big
if( \function_exists( 'sys_getloadavg' ) )
{
if( ( \sys_getloadavg()[ 1 ] ?? 0.0 ) > 5.0 )
{
echo 'Not running due to high cpu load';
exit;
}
}
// Enable error tracking
if( file_exists( '/var/www/steamdb.info/Library/Bugsnag/Autoload.php' ) )
{
require '/var/www/steamdb.info/Library/MagicLoad.php';
require '/var/www/steamdb.info/Library/Bugsnag/Autoload.php';
}
new SteamTracker( count( $argv ) === 2 ? $argv[ 1 ] : '' );
class SteamTracker
{
private string $APIKey = '';
private float $AppStart;
private int $CurrentTime;
private bool $UseCache = true;
private bool $ExtractClientArchives = false;
private bool $SyncProtobufs = false;
private bool $DumpJavascriptFiles = false;
private bool $UpdateManifestUrls = false;
private bool $UpdateSSRUrls = false;
/** @var array<string, string> */
private array $ClientArchiveFolder =
[
'ClientManifest/steam_client_publicbeta_ubuntu12' => 'linux_archives',
'ClientManifest/steam_cmd_publicbeta_linux' => 'linux_archives',
];
/** @var array<string, string> */
private array $ClientArchiveHashes = [];
/** @var array<string, string|array<int, string>> */
private array $ETags = [];
/** @var array<int, string> */
private array $Requests = [];
/** @var array<int, array{URL: string, File: string}> */
private array $URLsToFetch = [];
/** @var array<string, true> */
private array $CurrentSSRFiles = [];
/** @var array<int, mixed> */
private array $Options =
[
CURLOPT_USERAGENT => 'SteamDB',
CURLOPT_ENCODING => '',
CURLOPT_HEADER => 1,
CURLOPT_AUTOREFERER => 0,
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_FOLLOWLOCATION => 0,
CURLOPT_TIMEOUT => 30,
CURLOPT_CONNECTTIMEOUT => 10,
CURLOPT_SSL_VERIFYPEER => 0,
CURLOPT_SSL_VERIFYHOST => 0,
];
public function __construct( string $Option )
{
$this->AppStart = microtime( true );
if( $Option === 'force' )
{
$this->UseCache = false;
}
$ApiKeyPath = __DIR__ . '/.support/apikey.txt';
$ETagsPath = __DIR__ . '/.support/etags.json';
if( !file_exists( $ApiKeyPath ) )
{
$this->Log( '{lightred}Missing ' . $ApiKeyPath );
exit( 1 );
}
if( $this->UseCache && file_exists( $ETagsPath ) )
{
$this->ETags = json_decode( file_get_contents( $ETagsPath ), true );
}
$this->APIKey = trim( file_get_contents( $ApiKeyPath ) );
$this->CurrentTime = time( );
$this->URLsToFetch = $this->ParseUrls( );
$KnownUrls = [];
foreach( $this->URLsToFetch as $Url )
{
$KnownUrls[ $Url[ 'URL' ] ] = true;
}
$Tries = 5;
$WindowSize = 10;
do
{
$URLs = $this->URLsToFetch;
$this->URLsToFetch = [];
$this->Log( '{yellow}' . count( $URLs ) . ' urls to be fetched...' );
$this->Fetch( $URLs, $WindowSize );
$WindowSize = 1;
}
while( !empty( $this->URLsToFetch ) && $Tries-- > 0 );
if( $this->UpdateManifestUrls )
{
$this->URLsToFetch = $this->ProcessManifests( $KnownUrls );
do
{
$URLs = $this->URLsToFetch;
$this->URLsToFetch = [];
$this->Log( '{yellow}' . count( $URLs ) . ' urls to be fetched...' );
$this->Fetch( $URLs, 5 );
}
while( !empty( $this->URLsToFetch ) && $Tries-- > 0 );
}
if( $this->UpdateSSRUrls && !empty( $this->CurrentSSRFiles ) )
{
/*
do
{
$this->URLsToFetch = $this->ProcessSSRFiles();
if( empty( $this->URLsToFetch ) )
{
break;
}
do
{
$URLs = $this->URLsToFetch;
$this->URLsToFetch = [];
$this->Log( '{yellow}' . count( $URLs ) . ' urls to be fetched...' );
$this->Fetch( $URLs, 5 );
}
while( !empty( $this->URLsToFetch ) && $Tries-- > 0 );
}
while( true );
*/
$this->DeleteOldSSRFiles();
}
foreach( $this->ETags as &$ETags )
{
if( is_array( $ETags ) )
{
while( count( $ETags ) > 3 )
{
array_shift( $ETags );
}
}
}
unset( $ETags );
file_put_contents( $ETagsPath, json_encode( $this->ETags, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT ) );
if( $this->ExtractClientArchives )
{
$this->Log( '{lightblue}Extracting client archives' );
$this->DumpJavascriptFiles = true;
$this->SyncProtobufs = true;
system( 'bash extract_client.sh' );
}
if( $this->DumpJavascriptFiles )
{
$this->SyncProtobufs = true;
$this->Log( '{lightblue}Dumping web protobufs' );
system( 'node dump_javascript_protobufs.mjs' );
system( 'node dump_javascript_urls.mjs' );
}
if( $this->SyncProtobufs )
{
$this->Log( '{lightblue}Syncing protobufs' );
system( 'bash ../ValveProtobufs/update.sh' );
if( file_exists( '../update_webapis.sh' ) )
{
proc_close( proc_open( 'bash ../update_webapis.sh &', [], $pipes ) );
}
}
$this->Log( '{lightblue}Done' );
}
private function GenerateURL( string $URL ) : string
{
return str_replace(
[ '__KEY__', '__TIME__' ],
[ 'key=' . $this->APIKey, '_=' . $this->CurrentTime ],
$URL
);
}
private function HandleResponse( string $File, string $Data, string $URL ) : bool
{
if( $File === 'API/SupportedAPIList.json' )
{
$Data = json_decode( $Data, true );
if( !isset( $Data[ 'apilist' ][ 'interfaces' ] ) )
{
return false;
}
foreach( $Data[ 'apilist' ][ 'interfaces' ] as $Interface )
{
$File = __DIR__ . '/API/' . $Interface[ 'name' ] . '.json';
$Interface = json_encode( $Interface, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT ) . PHP_EOL;
if( !file_exists( $File ) || $Interface !== file_get_contents( $File ) )
{
file_put_contents( $File, $Interface );
}
}
return true;
}
// Get archives from client manifest
else if( isset( $this->ClientArchiveFolder[ $File ] ) )
{
if( preg_match_all( '/"([a-z0-9_]+\.zip)\.([a-f0-9]{40})"/', $Data, $Test ) > 0 )
{
foreach( $Test[ 1 ] as $Index => $Archive )
{
$Hash = $Test[ 2 ][ $Index ];
$Path = '.support/' . $this->ClientArchiveFolder[ $File ] . '/' . $Archive;
if( isset( $this->ClientArchiveHashes[ $Path ] ) )
{
$this->Log( 'Matched {lightblue}' . $Path . '{normal}, but it is already queued' );
continue;
}
if( !file_exists( $Path ) || hash_file( 'sha1', $Path ) !== $Hash )
{
$this->Log( 'Downloading {lightblue}' . $Path . '{normal} - checksum: ' . $Hash );
$this->ClientArchiveHashes[ $Path ] = $Hash;
$this->URLsToFetch[ ] =
[
'URL' => 'https://steamcdn-a.akamaihd.net/client/' . $Archive . '.' . $Hash,
'File' => $Path,
];
}
else
{
$this->Log( 'Matched {lightblue}' . $Path . '{normal}, but we already have it cached' );
}
}
}
else
{
$this->Log( '{yellow}Failed to find any archives' );
}
unset( $Test, $Archive, $Hash, $Index );
}
// Convert group members to JSON
else if( $File === 'Random/ValveGroup.json' || $File === 'Random/SteamModerators.json' || $File === 'Random/SteamDevs.json' )
{
libxml_use_internal_errors( true );
$Data = simplexml_load_string( $Data );
if( $Data === false || empty( $Data->members->steamID64 ) )
{
return false;
}
$Data = array_values( (array)$Data->members->steamID64 );
sort( $Data );
$Data = json_encode( $Data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT );
}
// Prettify
else if( $File === 'Random/Jobs.json' )
{
$Data = json_decode( $Data, true );
$Data = json_encode( $Data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT );
}
else if( $File === 'Random/SteamMobileApks.txt' )
{
$ApkLinks = [];
if( preg_match_all( '/(https:\/\/[\w.\/-]+\.apk)/', $Data, $Test ) > 0 )
{
$ApkLinks = $Test[ 0 ];
}
if( empty( $ApkLinks ) )
{
$this->Log( '{lightred}Failed to find apk links' );
return false;
}
foreach( $ApkLinks as &$ApkLink )
{
$ApkLink = preg_replace( '/^https:\/\/[^\/]+\//', 'https://media.steampowered.com/', $ApkLink );
if( preg_match( '/\/apps\/([\w-]+)\//', $ApkLink, $AppName ) === 1 )
{
$this->URLsToFetch[ ] =
[
'URL' => $ApkLink,
'File' => '.support/archives/' . $AppName[ 1 ] . '.apk',
];
}
else if( str_contains( $ApkLink, '/steamlink/android/' ) )
{
$this->URLsToFetch[ ] =
[
'URL' => $ApkLink,
'File' => '.support/archives/steamlink.apk',
];
}
}
unset( $ApkLink );
$Data = implode( "\n", $ApkLinks ) . "\n";
}
else if( $File === 'SSR' )
{
if( preg_match( "/window.SSR.clientAssets=(\{.+?\});/", $Data, $Matches ) !== 1 )
{
$this->Log( '{lightred}Failed to find SSR on ' . $URL );
return false;
}
$SSR = json_decode( $Matches[ 1 ], true );
if( !isset( $SSR[ 'js' ] ) )
{
$this->Log( '{lightred}Failed to find any SSR JS on ' . $URL );
return false;
}
$AssetTypes =
[
'js',
'css',
'preload',
];
foreach( $AssetTypes as $AssetType )
{
foreach( ( $SSR[ $AssetType ] ?? [] ) as $Asset )
{
$File = $this->GetSSRFilepath( $Asset[ 'href' ] );
if( $File === null )
{
continue;
}
if( isset( $this->CurrentSSRFiles[ $File ] ) )
{
continue;
}
if( str_ends_with( $File, '.css' ) )
{
continue; // TODO: Ignore css for now because biome doesn't format it
}
$this->CurrentSSRFiles[ $File ] = true;
$this->URLsToFetch[ ] =
[
'URL' => $Asset[ 'href' ],
'File' => $File,
];
}
}
return true;
}
else if( $File === '.support/archives/steam-android.apk' )
{
$this->Log( 'Dumping mobile app' );
file_put_contents( $File, $Data );
/*
// It was compiled with Hermes
system( 'unzip -j ".support/archives/steam-android.apk" "assets/index.android.bundle" -d "."' );
system( 'mv index.android.bundle Scripts/WebUI/steammobile_app.js' );
system( 'npm run prettier Scripts/WebUI/steammobile_app.js' );
$this->DumpJavascriptFiles = true;
*/
return true;
}
// Unzip it
else if( str_ends_with( $File, '.zip' ) )
{
if( hash( 'sha1', $Data ) !== $this->ClientArchiveHashes[ $File ] )
{
$this->Log( '{lightred}Checksum mismatch for ' . $File );
return false;
}
$File = __DIR__ . '/' . $File;
file_put_contents( $File, $Data );
$this->ExtractClientArchives = true;
return true;
}
// Make sure we received everything
else if( str_ends_with( $File, '.html' ) )
{
if( strrpos( $Data, '</html>' ) === false )
{
return false;
}
$Data = preg_replace( '/[&\?]v=[a-zA-Z0-9\.\-\_]{3,}/', '?v=valveisgoodatcaching', $Data );
if( $File === 'Random/About.html' )
{
$Data = preg_replace( '/<section>\s+<div class="steam_section">.+?<\/section>\r\n/s', '', $Data );
}
else if( $File === 'Random/People.html' )
{
libxml_use_internal_errors( true );
$DOM = new DOMDocument;
$DOM->loadHTML( '<?xml encoding="UTF-8">' . $Data );
$XPath = new DOMXPath( $DOM );
$PeopleDivs = $XPath->evaluate( '//div[@class="row person"]' );
$AlreadySeen = [];
$People = [];
foreach( $PeopleDivs as $Person )
{
$Name = $XPath->evaluate( 'string(.//div[@class="name"])', $Person );
if( isset( $AlreadySeen[ $Name ] ) )
{
continue;
}
$AlreadySeen[ $Name ] = true;
$Bio = $XPath->evaluate( 'string(.//p[@class="bio"])', $Person );
$LinkElements = $XPath->evaluate( './/a', $Person );
$Links = [];
foreach( $LinkElements as $Link )
{
$Links[] = $Link->getAttribute( 'href' );
}
$Person =
[
'name' => trim( $Name ),
'bio' => trim( $Bio ),
];
if( !empty( $Links ) )
{
$Person[ 'links' ] = $Links;
}
$People[] = $Person;
}
$People = array_column( $People, 'name' );
array_multisort( $People, SORT_ASC, $People );
if( !empty( $People ) )
{
file_put_contents( __DIR__ . '/Random/People.json', json_encode( $People, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT ) );
}
}
}
else if( str_ends_with( $File, '.css' ) || str_ends_with( $File, '.js' ) )
{
$Data = preg_replace( '/(\.(?:js|png|jpg|svg|css)[&\?]v=)[a-zA-Z0-9\.\-\_]{3,}/i', '$1valveisgoodatcaching', $Data );
}
$OriginalFile = $File;
$File = __DIR__ . DIRECTORY_SEPARATOR . $File;
$Folder = dirname( $File );
if( !is_dir( $Folder ) )
{
$this->Log( '{lightblue}Creating ' . $Folder );
mkdir( $Folder, 0755, true );
}
$IsSSR =
str_starts_with( $OriginalFile, 'store.steampowered.com/ssr' );
if(
$IsSSR ||
str_ends_with( $File, 'english-json.js' ) ||
str_starts_with( $OriginalFile, 'www.underlords.com/' ) ||
str_starts_with( $OriginalFile, 'www.dota2.com/' ) ||
str_starts_with( $OriginalFile, 'www.counter-strike.net/' ) ||
str_starts_with( $OriginalFile, 'Scripts/WebUI/steammobile' ) ||
str_contains( $OriginalFile, '/webui/' ) ||
str_contains( $OriginalFile, '/legacy_web/' ) ||
str_contains( $OriginalFile, '/applications/' )
)
{
$HashPath = $OriginalFile . '.unmodified';
$Hash = hash( 'sha256', $Data );
if( ( $this->ETags[ $HashPath ] ?? '' ) === $Hash )
{
return false;
}
$this->ETags[ $HashPath ] = $Hash;
// Extract json so it gets pretty printed from the json.parse
if( str_ends_with( $File, 'english-json.js' ) && preg_match( "/exports=JSON\.parse\('(.+)'\)}}]\);$/", $Data, $Matches ) )
{
$Data = stripcslashes( $Matches[ 1 ] );
$Data = json_decode( $Data, true );
$Data = json_encode( $Data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT ) . PHP_EOL;
file_put_contents( str_replace( '-json.js', '.json', $File ), $Data );
return true;
}
file_put_contents( $File, $Data );
if( $IsSSR )
{
$this->UpdateSSRUrls = true;
}
if( str_ends_with( $File, '.js' ) )
{
if( str_ends_with( $File, '/manifest.js' ) )
{
$this->UpdateManifestUrls = true;
}
$this->DumpJavascriptFiles = true;
}
system( 'npm run prettier ' . escapeshellarg( $File ) );
return true;
}
if( file_exists( $File ) && $Data === file_get_contents( $File ) )
{
return false;
}
file_put_contents( $File, $Data );
return true;
}
/** @param array<int, array{URL: string, File: string}> $URLs */
private function Fetch( array $URLs, int $WindowSize ) : void
{
$this->Requests = [];
$Master = curl_multi_init( );
if( $WindowSize > count( $URLs ) )
{
$WindowSize = count( $URLs );
}
for( $i = 0; $i < $WindowSize; $i++ )
{
$URL = array_shift( $URLs );
$this->CreateHandle( $Master, $URL );
}
unset( $URL, $WindowSize, $i );
do
{
curl_multi_exec( $Master, $Running );
while( $Done = curl_multi_info_read( $Master ) )
{
/** @var CurlHandle */
$Handle = $Done[ 'handle' ];
$URL = curl_getinfo( $Handle, CURLINFO_EFFECTIVE_URL );
$Code = curl_getinfo( $Handle, CURLINFO_HTTP_CODE );
$Request = $this->Requests[ (int)$Handle ];
if( isset( $Done[ 'error' ] ) )
{
$this->Log( '{yellow}cURL Error: {yellow}' . $Done[ 'error' ] . '{normal} - ' . $URL );
$this->URLsToFetch[ ] =
[
'URL' => $URL,
'File' => $Request
];
}
else if( $Code === 304 )
{
$this->Log( '{green}HTTP Cache {normal} - ' . $URL );
}
else if( $Code !== 200 )
{
$this->Log( '{yellow}Error ' . $Code . '{normal} - ' . $URL );
if( $Code < 100 || $Code >= 500 )
{
$this->URLsToFetch[ ] =
[
'URL' => $URL,
'File' => $Request
];
}
}
else
{
$LengthExpected = curl_getinfo( $Handle, CURLINFO_CONTENT_LENGTH_DOWNLOAD );
$LengthDownload = curl_getinfo( $Handle, CURLINFO_SIZE_DOWNLOAD );
if( $LengthExpected !== $LengthDownload )
{
$this->Log( '{lightred}Wrong Length {normal}(' . $LengthDownload . ' != ' . $LengthExpected . '){normal} - ' . $URL );
$this->URLsToFetch[ ] =
[
'URL' => $URL,
'File' => $Request
];
}
else
{
$HandleResponse = true;
$HeaderSize = curl_getinfo( $Handle, CURLINFO_HEADER_SIZE );
$Data = curl_multi_getcontent( $Handle );
$Header = substr( $Data, 0, $HeaderSize );
if( preg_match( '/^ETag: (.+)$/im', $Header, $Test ) === 1 )
{
$ETag = trim( $Test[ 1 ] );
if( !isset( $this->ETags[ $Request ] ) || !in_array( $ETag, $this->ETags[ $Request ], true ) )
{
$this->ETags[ $Request ][ time() ] = $ETag;
}
else
{
$HandleResponse = false;
$this->Log( '{green}ETag Matched{normal} - ' . $URL );
}
}
if( $HandleResponse )
{
$Data = substr( $Data, $HeaderSize );
if( $this->HandleResponse( $Request, $Data, $URL ) === true )
{
$this->Log( '{lightblue}Fetched {normal} - ' . $URL );
}
else
{
$this->Log( '{green}Not Modified{normal} - ' . $URL );
}
}
unset( $Data, $Header );
}
}
curl_multi_remove_handle( $Master, $Handle );
if( !empty( $URLs ) )
{
$URL = array_shift( $URLs );
$this->CreateHandle( $Master, $URL );
$Running = true;
}
unset( $Request, $Handle );
}
if( $Running )
{
curl_multi_select( $Master, 5 );
}
}
while( $Running );
curl_multi_close( $Master );
}
/** @param array{URL: string, File: string} $URL */
private function CreateHandle( CurlMultiHandle $Master, array $URL ) : CurlHandle
{
$Handle = curl_init( );
$File = $URL[ 'File' ];
$Options = $this->Options;
$Options[ CURLOPT_URL ] = $this->GenerateURL( $URL[ 'URL' ] );
$this->Requests[ (int)$Handle ] = $File;
if( $this->UseCache )
{
// If we have an ETag saved, add If-None-Match header
if( isset( $this->ETags[ $File ] ) )
{
$Options[ CURLOPT_HTTPHEADER ] =
[
'If-None-Match: ' . implode( ', ', $this->ETags[ $File ] ),
'If-Modified-Since: ' . gmdate( 'D, d M Y H:i:s \G\M\T', array_key_last( $this->ETags[ $File ] ) ),
];
}
else if( file_exists( $File ) )
{
$Options[ CURLOPT_HTTPHEADER ] =
[
'If-Modified-Since: ' . gmdate( 'D, d M Y H:i:s \G\M\T', filemtime( $File ) ),
];
}
}
curl_setopt_array( $Handle, $Options );
curl_multi_add_handle( $Master, $Handle );
return $Handle;
}
/** @return array<int, array{URL: string, File: string}> */
private function ParseUrls() : array
{
$UrlsPath = __DIR__ . '/urls.txt';
if( !file_exists( $UrlsPath ) )
{
$this->Log( '{lightred}Missing ' . $UrlsPath );
exit( 1 );
}
$Data = file_get_contents( $UrlsPath );
$Data = explode( "\n", $Data );
$Urls = [];
// Add sale urls for current year
$Year = idate( 'Y' );
$Data[] = 'store.steampowered.com/public/css/promo/autumn_year_nominations.css @ https://store.steampowered.com/public/css/promo/autumn' . $Year . '_nominations.css?__TIME__&_cdn=cloudflare';
$Data[] = 'store.steampowered.com/public/css/promo/autumn_year_sale.css @ https://store.steampowered.com/public/css/promo/autumn' . $Year . '_sale.css?__TIME__&_cdn=cloudflare';
$Data[] = 'store.steampowered.com/public/css/promo/spring_year_sale.css @ https://store.steampowered.com/public/css/promo/spring' . $Year . '_sale.css?__TIME__&_cdn=cloudflare';
$Data[] = 'store.steampowered.com/public/css/promo/summer_year_sale.css @ https://store.steampowered.com/public/css/promo/summer' . $Year . '_sale.css?__TIME__&_cdn=cloudflare';
$Data[] = 'store.steampowered.com/public/css/promo/winter_year_sale.css @ https://store.steampowered.com/public/css/promo/winter' . $Year . '_sale.css?__TIME__&_cdn=cloudflare';
foreach( $Data as $Line )
{
$Line = trim( $Line );
if( empty( $Line ) || $Line[ 0 ] === '/' )
{
continue;
}
if( str_contains( $Line, '@' ) )
{
$Line = explode( '@', $Line );
$File = trim( $Line[ 0 ] );
$Url = trim( $Line[ 1 ] );
}
else
{
$Url = $Line;
$ParsedUrl = parse_url( $Url );
if( $ParsedUrl === false || empty( $ParsedUrl[ 'host' ] ) || empty( $ParsedUrl[ 'path' ] ) )
{
$this->Log( $Line . ' is malformed' );
continue;
}
$File = $ParsedUrl[ 'host' ] . $ParsedUrl[ 'path' ];
}
$Urls[] =
[
'URL' => $Url,
'File' => $File,
];
}
return $Urls;
}
/**
* @param array<string, true> $KnownUrls
*
* @return array<int, array{URL: string, File: string}>
*/
private function ProcessManifests( array $KnownUrls ) : array
{
system( 'node generate_manifest_urls.mjs' );
$URLsToFetch = [];
$KnownFilenames = [];
$ManifestUrlsPath = __DIR__ . '/.support/urls_from_manifests.txt';
if( !file_exists( $ManifestUrlsPath ) )
{
throw new Exception( $ManifestUrlsPath . ' does not exist' );
}
$ManifestUrls = file( $ManifestUrlsPath, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES );
foreach( $KnownUrls as $Url => $Trash )
{
$QuestionMark = strrpos( $Url, '?' );
if( $QuestionMark !== false && str_starts_with( $Url, 'https://' ) )
{
$Filename = substr( $Url, 8, $QuestionMark - 8 );
$KnownFilenames[] = $Filename;
}
}
foreach( $ManifestUrls as $Url )
{
if( !str_starts_with( $Url, 'https://' ) )
{
throw new Exception( $Url . ' does not start with https://' );
}
$QuestionMark = strrpos( $Url, '?' );
if( $QuestionMark === false )
{
throw new Exception( $Url . ' does not contain a question mark' );
}
$Filename = substr( $Url, 8, $QuestionMark - 8 );
if( isset( $KnownUrls[ $Url ] ) )
{
continue;
}
$KnownFilenames[] = $Filename;
$URLsToFetch[] =
[
'URL' => $Url,
'File' => $Filename,
];
}
// Find and delete old chunk~ files
$Folders = [];
$IsChunkFile = static fn( string $Filename ) : bool => preg_match( '/^(chunk~|libraries~|[0-9]+\.)/', $Filename, $Matches ) === 1;
foreach( $KnownFilenames as $Filepath )
{
$Filename = basename( $Filepath );
if( $IsChunkFile( $Filename ) )
{
$Folder = __DIR__ . '/' . dirname( $Filepath ) . '/';
if( !isset( $Folders[ $Folder ] ) )
{
$Folders[ $Folder ] = [];
}
$Folders[ $Folder ][ $Filename ] = true;
}
}
foreach( $Folders as $Folder => $NewChunks )
{
foreach( new DirectoryIterator( $Folder ) as $FileInfo )
{
if( $FileInfo->isDot() )
{
continue;
}
$Filename = $FileInfo->getFilename();
if( $IsChunkFile( $Filename ) && !isset( $NewChunks[ $Filename ] ) )
{
$FilepathOnDisk = $FileInfo->getRealPath();
$this->Log( 'Chunk ' . $FilepathOnDisk . ' no longer exists in manifest' );
unlink( $FilepathOnDisk );
}
}
}
return $URLsToFetch;
}
/**
* @return array<int, array{URL: string, File: string}>
*/
private function ProcessSSRFiles() : array
{
system( 'node generate_ssr_urls.mjs' );
$ManifestUrlsPath = __DIR__ . '/.support/urls_from_ssr.txt';
if( !file_exists( $ManifestUrlsPath ) )
{
throw new Exception( $ManifestUrlsPath . ' does not exist' );
}
$URLsToFetch = [];
$ManifestUrls = file( $ManifestUrlsPath, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES );
foreach( $ManifestUrls as $Url )
{
if( !str_starts_with( $Url, 'https://' ) )
{
throw new Exception( $Url . ' does not start with https://' );
}
$File = $this->GetSSRFilepath( $Url );
if( $File === null || isset( $this->CurrentSSRFiles[ $File ] ) )
{
continue;
}
$this->CurrentSSRFiles[ $File ] = true;
$URLsToFetch[] =
[
'URL' => $Url,
'File' => $File,
];
}
return $URLsToFetch;
}
private function DeleteOldSSRFiles() : void
{
// Find and delete old chunk files
$Folders = [];
foreach( $this->CurrentSSRFiles as $Filepath => $_ )
{
$Folder = __DIR__ . '/' . dirname( $Filepath ) . '/';