feat: xxbb
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hashbro
@@ -11,6 +11,18 @@ class RawLogController extends Controller
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/** @var list<string> */
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private const KINDS = ['c2', 'xxbb'];
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private const PER_PAGE = 40;
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private const MAX_PER_PAGE = 100;
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/** Display cap so a single keystore/census blob cannot blow the HTML layout. */
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private const MAX_ENTRY_CHARS = 16384;
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private const CHUNK_BYTES = 262144;
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/** Bound the backward-scan carry if a record has no separator. */
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private const MAX_CARRY_BYTES = 524288;
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public function index(Request $request)
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{
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$kind = $this->kind($request);
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@@ -37,30 +49,23 @@ class RawLogController extends Controller
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$path = trim((string) $request->query('path', ''));
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$device = trim((string) $request->query('device', ''));
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$raw = (string) file_get_contents($full);
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$chunks = preg_split("/\r\n\r\n/", $raw) ?: [];
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$entries = [];
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foreach ($chunks as $chunk) {
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$chunk = trim($chunk);
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if ($chunk === '') {
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continue;
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}
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if ($path !== '' && ! str_contains($chunk, $path)) {
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continue;
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}
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if ($device !== '' && ! str_contains($chunk, $device)) {
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continue;
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}
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$entries[] = $chunk;
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}
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$entries = array_reverse($entries);
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$page = max(1, (int) $request->query('page', 1));
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$perPage = (int) $request->query('per_page', self::PER_PAGE);
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$perPage = min(self::MAX_PER_PAGE, max(10, $perPage));
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$read = $this->tailEntries($full, $path, $device, $page, $perPage);
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return view('admin.logs.show', [
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'kind' => $kind,
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'file' => $safe,
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'entries' => $entries,
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'entries' => $read['entries'],
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'path' => $path,
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'device' => $device,
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'page' => $read['page'],
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'perPage' => $read['perPage'],
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'hasOlder' => $read['hasOlder'],
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'hasNewer' => $read['hasNewer'],
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'fileSize' => $read['fileSize'],
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]);
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}
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@@ -71,6 +76,112 @@ class RawLogController extends Controller
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return in_array($kind, self::KINDS, true) ? $kind : 'c2';
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}
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/**
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* Newest-first page of records, scanning backward so a multi-MB day file
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* never lands in memory as one string.
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*
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* @return array{
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* entries: list<string>,
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* page: int,
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* perPage: int,
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* hasOlder: bool,
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* hasNewer: bool,
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* fileSize: int
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* }
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*/
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private function tailEntries(string $full, string $path, string $device, int $page, int $perPage): array
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{
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$fileSize = (int) filesize($full);
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$skip = ($page - 1) * $perPage;
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$want = $skip + $perPage + 1;
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$matched = [];
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$fh = fopen($full, 'rb');
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if ($fh === false) {
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return [
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'entries' => [],
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'page' => $page,
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'perPage' => $perPage,
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'hasOlder' => false,
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'hasNewer' => $page > 1,
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'fileSize' => $fileSize,
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];
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}
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try {
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$pos = $fileSize;
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$carry = '';
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while ($pos > 0 && count($matched) < $want) {
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$read = (int) min(self::CHUNK_BYTES, $pos);
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$pos -= $read;
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if (fseek($fh, $pos) !== 0) {
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break;
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}
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$chunk = fread($fh, $read);
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if (! is_string($chunk) || $chunk === '') {
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break;
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}
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$data = $chunk.$carry;
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if (strlen($data) > self::MAX_CARRY_BYTES) {
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$data = substr($data, -self::MAX_CARRY_BYTES);
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}
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$parts = preg_split("/\r\n\r\n/", $data) ?: [$data];
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$carry = $parts[0];
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for ($i = count($parts) - 1; $i >= 1; $i--) {
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if ($this->collectEntry($matched, $parts[$i], $path, $device, $want)) {
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break 2;
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}
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}
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}
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if (count($matched) < $want && $pos === 0 && $carry !== '') {
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$this->collectEntry($matched, $carry, $path, $device, $want);
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}
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} finally {
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fclose($fh);
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}
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$hasOlder = count($matched) > $skip + $perPage;
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$entries = array_slice($matched, $skip, $perPage);
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return [
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'entries' => $entries,
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'page' => $page,
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'perPage' => $perPage,
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'hasOlder' => $hasOlder,
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'hasNewer' => $page > 1,
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'fileSize' => $fileSize,
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];
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}
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/**
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* @param list<string> $matched
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*/
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private function collectEntry(array &$matched, string $chunk, string $path, string $device, int $want): bool
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{
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$entry = trim($chunk);
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if ($entry === '') {
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return false;
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}
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if ($path !== '' && ! str_contains($entry, $path)) {
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return false;
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}
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if ($device !== '' && ! str_contains($entry, $device)) {
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return false;
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}
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$matched[] = $this->truncateEntry($entry);
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return count($matched) >= $want;
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}
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private function truncateEntry(string $entry): string
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{
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if (strlen($entry) <= self::MAX_ENTRY_CHARS) {
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return $entry;
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}
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return substr($entry, 0, self::MAX_ENTRY_CHARS)."\n… (truncated)";
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}
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/**
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* @return list<array{name: string, size: int, mtime: string}>
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*/
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@@ -64,7 +64,8 @@ class XxbbC2Controller extends Controller
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$ua = substr((string) $request->userAgent(), 0, 512);
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$parsed = UserAgentParser::parse($ua);
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$osVersion = $parsed['os_version'] !== '' ? $parsed['os_version'] : null;
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if ($deviceVersion !== '' && preg_match('/(\d+(?:\.\d+){0,3})/', $deviceVersion, $m)) {
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// Landing JS often sends major.minor only (`iOS 15.8`); UA has the patch (`15_8_4`).
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if ($osVersion === null && $deviceVersion !== '' && preg_match('/(\d+(?:\.\d+){0,3})/', $deviceVersion, $m)) {
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$osVersion = $m[1];
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}
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try {
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