www-data
475765e31f
Add an explicit template renderer with HTML views and partials for the app, bootstrap, package, and catalog pages. Move shared reporting setup into config/reporting.php and relocate stylesheet assets under css/.
253 lines
6.5 KiB
PHP
253 lines
6.5 KiB
PHP
<?php
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/*
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* Simpele Racket bootstrap.
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*
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* .htaccess:
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*
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* FallbackResource /index.php
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*
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* Bestanden:
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*
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* config/racket.zip
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* data/ bevat vooraf gemaakte parts
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*
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* Routes:
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*
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* /bootstrap-racket?next=...
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* Leest de vooraf gemaakte parts in data/ en toont een HTML-index
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* met links.
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*
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* /bootstrap-racket-part?n=000001&next=...
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* Geeft text/plain met base64 van precies één binair part.
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*
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* Regels:
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*
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* - Indexen/lijsten zijn HTML.
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* - Payload/downloads zijn text/plain.
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* - Payload/downloads zijn altijd base64.
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* - Geen .bin, .zip of bestandsnaam in download-URL’s.
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* - next=... is alleen cache-busting.
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* - Per gegenereerde HTML-pagina wordt één next-id gemaakt en voor alle
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* links op die pagina gebruikt.
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*/
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require_once __DIR__ . '/config/reporting.php';
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require_once __DIR__ . '/private/nexttoken.php';
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require_once __DIR__ . '/private/base64config.php';
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require_once __DIR__ . '/private/racketzip.php';
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require_once __DIR__ . '/private/Template.php';
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$TOKENS = new NextTokenStore(__DIR__ . '/data/racket-sandbox.sqlite');
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@set_time_limit(300);
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ignore_user_abort(false);
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$chunkConfig = load_base64_chunk_config();
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$racketZipMaxBase64Kb = (int)($chunkConfig['racket_zip_max_base64_kb'] ?? 8192);
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if ($racketZipMaxBase64Kb < 1) {
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$racketZipMaxBase64Kb = 1;
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}
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define('RACKET_ZIP_MAX_BASE64_KB', $racketZipMaxBase64Kb);
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define('RACKET_ZIP_MAX_BASE64_BYTES', RACKET_ZIP_MAX_BASE64_KB * 1024);
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define('RACKET_ZIP_BINARY_CHUNK_BYTES', racket_zip_binary_chunk_bytes_for_base64_kib(RACKET_ZIP_MAX_BASE64_KB));
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if (RACKET_ZIP_BINARY_CHUNK_BYTES < 3) {
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fail_html('Ongeldige racket.zip base64 chunk-instelling.');
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}
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/*
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* Eén next-id voor alle URLs die deze request genereert.
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*/
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$NEXT_ID = $TOKENS->create();
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function path_only()
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{
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$p = parse_url($_SERVER['REQUEST_URI'] ?? '/', PHP_URL_PATH);
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$p = '/' . trim($p ?: '/', '/');
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return $p === '/' ? '/' : $p;
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}
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function scheme()
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{
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if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
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return strtolower(trim(explode(',', $_SERVER['HTTP_X_FORWARDED_PROTO'])[0]));
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}
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return (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http';
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}
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function host_name()
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{
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return $_SERVER['HTTP_HOST'] ?? 'localhost';
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}
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function make_url($path, $query = array())
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{
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global $NEXT_ID;
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$query['next'] = $NEXT_ID;
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return scheme() . '://' . host_name() . $path . '?' . http_build_query($query);
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}
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function h($s)
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{
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return htmlspecialchars((string)$s, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
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}
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function html_response($html, $status = 200)
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{
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http_response_code($status);
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header('Content-Type: text/html; charset=utf-8');
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header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
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header('Pragma: no-cache');
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echo $html;
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exit;
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}
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function text_response($text, $status = 200)
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{
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http_response_code($status);
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header('Content-Type: text/plain; charset=us-ascii');
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header('Content-Disposition: inline');
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header('X-Content-Type-Options: nosniff');
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header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
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header('Pragma: no-cache');
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echo $text;
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if ($text === '' || substr($text, -1) !== "\n") {
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echo "\n";
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}
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exit;
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}
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function fail_html($message, $status = 500)
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{
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html_response(
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RacketSandboxTemplate::renderFile('protocol-error.html', array(
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'title' => 'Error',
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'message' => $message,
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)),
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$status
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);
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}
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function fail_text($message, $status = 500)
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{
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text_response("error: " . $message . "\n", $status);
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}
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function load_parts()
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{
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try {
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$manifest = load_racket_zip_parts_manifest();
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} catch (Throwable $e) {
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fail_html($e->getMessage() . "\n\nSla de configuratiepagina op om racket.zip in parts te verdelen.");
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}
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if (!racket_zip_parts_current($manifest, RACKET_ZIP_MAX_BASE64_KB)) {
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fail_html(
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"racket.zip parts ontbreken of passen niet bij de huidige chunk-grootte.\n\n" .
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"Sla de configuratiepagina op om de parts opnieuw te maken."
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);
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}
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$parts = array();
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foreach (($manifest['parts'] ?? array()) as $part) {
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$number = (string)($part['number'] ?? '');
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$parts[] = array(
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'number' => $number,
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'name' => (string)($part['name'] ?? racket_zip_part_name((int)$number)),
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'size' => (int)($part['size'] ?? 0),
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'url' => make_url('/bootstrap-racket-part', array('n' => $number)),
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);
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}
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$manifest['parts'] = $parts;
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return $manifest;
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}
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function serve_bootstrap()
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{
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global $NEXT_ID;
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$manifest = load_parts();
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$parts = $manifest['parts'];
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$rows = '';
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foreach ($parts as $i => $part) {
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$rows .= RacketSandboxTemplate::renderFile('partials/racket-part-row.html', array(
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'index' => (string)($i + 1),
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'number' => $part['number'],
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'size' => (string)$part['size'],
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'url' => $part['url'],
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)) . "\n";
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}
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$zipSize = (int)($manifest['source_bytes'] ?? 0);
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$pkg_url = make_url('/racket-pkg-index');
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html_response(RacketSandboxTemplate::renderFile('bootstrap-racket.html', array(
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'pkg_url' => $pkg_url,
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'zip_size' => (string)$zipSize,
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'max_base64_kb' => (string)RACKET_ZIP_MAX_BASE64_KB,
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'max_base64_bytes' => (string)RACKET_ZIP_MAX_BASE64_BYTES,
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'binary_chunk_bytes' => (string)RACKET_ZIP_BINARY_CHUNK_BYTES,
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'part_count' => (string)count($parts),
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'created_at' => (string)($manifest['created_at'] ?? ''),
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'next_id' => $NEXT_ID,
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'part_rows_html' => $rows,
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)));
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}
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function serve_part()
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{
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$n = $_GET['n'] ?? '';
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if (!is_string($n) || !preg_match('/^[0-9]{6}$/', $n)) {
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fail_text('ongeldig partnummer; gebruik bijvoorbeeld n=000001', 400);
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}
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$file = racket_zip_part_file($n);
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if (!is_file($file) || !is_readable($file)) {
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fail_text('part ontbreekt of is niet leesbaar: ' . $n, 404);
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}
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$bin = file_get_contents($file);
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if ($bin === false) {
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fail_text('kan part niet lezen: ' . $n, 500);
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}
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text_response(base64_encode($bin));
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}
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$path = path_only();
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if ($path === '/' || $path === '/index.php') {
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header('Location: ' . make_url('/bootstrap-racket'), true, 302);
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exit;
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}
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if ($path === '/bootstrap-racket') {
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$TOKENS->check_valid_next('html');
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serve_bootstrap();
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}
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if ($path === '/bootstrap-racket-part') {
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$TOKENS->check_valid_next('text');
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serve_part();
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}
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fail_html('Onbekende route: ' . $path, 404);
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