414 lines
14 KiB
PHP
414 lines
14 KiB
PHP
<?php
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namespace EEPROM;
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use RuntimeException;
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use Index\Http\HttpFx;
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require_once __DIR__ . '/../eeprom.php';
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set_exception_handler(function(\Throwable $ex) {
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\Sentry\captureException($ex);
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ob_clean();
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http_response_code(500);
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if(PRM_DEBUG) {
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header('Content-Type: text/plain; charset=utf-8');
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echo (string)$ex;
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} else echo '500';
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exit;
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});
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function eepromOriginAllowed(string $origin): bool {
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global $cfg;
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$origin = mb_strtolower(parse_url($origin, PHP_URL_HOST));
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if($origin === $_SERVER['HTTP_HOST'])
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return true;
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$allowed = $cfg->getArray('cors:origins');
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if(empty($allowed))
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return true;
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return in_array($origin, $allowed);
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}
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function eepromUploadInfo(Uploads\UploadInfo $uploadInfo): array {
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global $eeprom;
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$uploadsCtx = $eeprom->getUploadsContext();
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return [
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'id' => $uploadInfo->getId(),
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'url' => $uploadsCtx->getFileUrlV1($uploadInfo),
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'urlf' => $uploadsCtx->getFileUrlV1($uploadInfo, true),
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'thumb' => $uploadsCtx->getThumbnailUrlV1($uploadInfo),
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'name' => $uploadInfo->getName(),
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'type' => $uploadInfo->getMediaTypeString(),
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'size' => $uploadInfo->getDataSize(),
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'user' => (int)$uploadInfo->getUserId(),
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'appl' => (int)$uploadInfo->getAppId(),
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'hash' => $uploadInfo->getHashString(),
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'created' => str_replace('+00:00', 'Z', $uploadInfo->getCreatedAt()->format(\DateTime::ATOM)),
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'accessed' => $uploadInfo->hasBeenAccessed() ? str_replace('+00:00', 'Z', $uploadInfo->getAccessedAt()->format(\DateTime::ATOM)) : null,
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'expires' => $uploadInfo->hasExpired() ? str_replace('+00:00', 'Z', $uploadInfo->getExpiredAt()->format(\DateTime::ATOM)) : null,
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// These can never be reached, and in situation where they technically could it's because of an outdated local record
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'deleted' => null,
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'dmca' => null,
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];
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}
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$isApiDomain = $_SERVER['HTTP_HOST'] === $cfg->getString('domain:api');
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$router = new HttpFx;
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$router->use('/', function($response) {
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$response->setPoweredBy('EEPROM');
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});
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$router->use('/', function($response, $request) {
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$origin = $request->getHeaderLine('Origin');
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if(!empty($origin)) {
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if(!eepromOriginAllowed($origin))
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return 403;
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$response->setHeader('Access-Control-Allow-Origin', $origin);
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$response->setHeader('Vary', 'Origin');
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}
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});
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if($isApiDomain) {
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// this is illegal, don't do this
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$userInfo = null;
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$router->use('/', function($response, $request) {
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if($request->hasHeader('Origin'))
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$response->setHeader('Access-Control-Allow-Credentials', 'true');
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});
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$router->use('/', function($response, $request) {
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if($request->getMethod() === 'OPTIONS') {
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$response->setHeader('Access-Control-Allow-Headers', 'Authorization');
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$response->setHeader('Access-Control-Allow-Methods', 'OPTIONS, GET, POST, DELETE');
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return 204;
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}
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});
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$router->use('/', function($response, $request) use ($db, $cfg) {
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global $userInfo, $eeprom;
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$auth = $request->getHeaderLine('Authorization');
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if(empty($auth)) {
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$mszAuth = (string)$request->getCookie('msz_auth');
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if(!empty($mszAuth))
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$auth = 'Misuzu ' . $mszAuth;
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}
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if(!empty($auth)) {
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$authParts = explode(' ', $auth, 2);
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$authMethod = strval($authParts[0] ?? '');
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$authToken = strval($authParts[1] ?? '');
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$authClients = $cfg->getArray('auth:clients');
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foreach($authClients as $client) {
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$client = new $client;
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if($client->getName() !== $authMethod)
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continue;
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$authUserId = $client->verifyToken($authToken);
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break;
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}
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if(isset($authUserId) && $authUserId > 0)
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$userInfo = $eeprom->getUsersContext()->getUser($authUserId);
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}
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});
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$router->get('/eeprom.js', function($response) {
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$response->accelRedirect('/js/eeprom-v1.0.js');
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$response->setContentType('application/javascript; charset=utf-8');
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});
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$router->get('/stats.json', function() use ($db) {
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$fileCount = 0;
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$userCount = 0;
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$totalSize = 0;
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$uniqueTypes = 0;
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$uploadStats = $db->query('SELECT COUNT(`upload_id`) AS `amount`, SUM(`upload_size`) AS `size`, COUNT(DISTINCT `upload_type`) AS `types` FROM `prm_uploads` WHERE `upload_deleted` IS NULL AND `upload_dmca` IS NULL');
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if($uploadStats->next()) {
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$fileCount = $uploadStats->getInteger(0);
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$totalSize = $uploadStats->getInteger(1);
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$uniqueTypes = $uploadStats->getInteger(2);
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}
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$userStats = $db->query('SELECT COUNT(`user_id`) AS `amount` FROM `prm_users` WHERE `user_restricted` IS NULL');
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if($userStats->next())
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$userCount = $userStats->getInteger(0);
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return [
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'size' => $totalSize,
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'files' => $fileCount,
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'types' => $uniqueTypes,
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'members' => $userCount,
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];
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});
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$router->get('/', function($response) {
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$response->accelRedirect('/index.html');
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$response->setContentType('text/html; charset=utf-8');
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});
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$router->post('/uploads', function($response, $request) use ($db) {
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global $userInfo, $eeprom;
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if(!$request->isFormContent())
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return 400;
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$content = $request->getContent();
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try {
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$appInfo = $eeprom->getAppsContext()->getApp($content->getParam('src', FILTER_VALIDATE_INT));
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} catch(RuntimeException $ex) {
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return 404;
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}
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if($userInfo === null)
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return 401;
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if($userInfo->isRestricted())
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return 403;
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try {
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$file = $content->getUploadedFile('file');
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} catch(RuntimeException $ex) {
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return 400;
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}
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$maxFileSize = $appInfo->getDataSizeLimit();
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if($appInfo->allowSizeMultiplier())
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$maxFileSize *= $userInfo->getDataSizeMultiplier();
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$localFile = $file->getLocalFileName();
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$fileSize = filesize($localFile);
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if($file->getSize() !== $fileSize || $fileSize > $maxFileSize) {
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$response->setHeader('Access-Control-Expose-Headers', 'X-EEPROM-Max-Size');
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$response->setHeader('X-EEPROM-Max-Size', $maxFileSize);
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return 413;
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}
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$uploadsCtx = $eeprom->getUploadsContext();
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$uploadsData = $uploadsCtx->getUploadsData();
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$hash = hash_file('sha256', $localFile);
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// this is stupid: dmca status is stored as a file record rather than in a separate table requiring this hack ass garbage
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$uploadInfo = $uploadsData->getUpload(appInfo: $appInfo, userInfo: $userInfo, hashString: $hash)
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?? $uploadsData->getUpload(hashString: $hash);
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if($uploadInfo !== null) {
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if($uploadInfo->isCopyrightTakedown())
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return 451;
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if($uploadInfo->getUserId() !== $userInfo->getId()
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|| $uploadInfo->getAppId() !== $appInfo->getId())
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unset($uploadInfo);
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}
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if(empty($uploadInfo)) {
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$uploadInfo = $uploadsData->createUpload(
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$appInfo, $userInfo, $_SERVER['REMOTE_ADDR'],
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$file->getSuggestedFileName(), mime_content_type($localFile),
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$fileSize, $hash, $appInfo->getBumpAmount(), true
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);
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$filePath = $uploadsCtx->getFileDataPath($uploadInfo);
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$file->moveTo($filePath);
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} else {
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$filePath = $uploadsCtx->getFileDataPath($uploadInfo);
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if($uploadInfo->isDeleted())
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$uploadsData->restoreUpload($uploadInfo);
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$uploadsData->bumpUploadExpires($uploadInfo);
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}
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$response->setStatusCode(201);
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$response->setHeader('Content-Type', 'application/json; charset=utf-8');
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return eepromUploadInfo($uploadInfo);
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});
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$router->delete('/uploads/:fileid', function($response, $request, $fileId) use ($db) {
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global $userInfo, $eeprom;
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if($userInfo === null)
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return 401;
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$uploadsData = $eeprom->getUploadsContext()->getUploadsData();
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$uploadInfo = $uploadsData->getUpload(uploadId: $fileId);
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if($uploadInfo === null) {
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$response->setContent('File not found.');
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return 404;
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}
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if($uploadInfo->isCopyrightTakedown()) {
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$response->setContent('File is unavailable for copyright reasons.');
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return 451;
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}
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if($uploadInfo->isDeleted() || $uploadInfo->hasExpired()) {
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$response->setContent('File not found.');
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return 404;
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}
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if($userInfo->isRestricted() || $userInfo->getId() !== $uploadInfo->getUserId())
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return 403;
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$uploadsData->deleteUpload($uploadInfo);
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return 204;
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});
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$router->get('/uploads/:filename', function($response, $request, $fileName) use ($db) {
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global $eeprom;
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$pathInfo = pathinfo($fileName);
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$fileId = $pathInfo['filename'];
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$fileExt = $pathInfo['extension'] ?? '';
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$isThumbnail = $fileExt === 't';
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$isJson = $fileExt === 'json';
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if($fileExt !== '' && $fileExt !== 't' && $fileExt !== 'json')
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return 404;
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$uploadsCtx = $eeprom->getUploadsContext();
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$uploadsData = $uploadsCtx->getUploadsData();
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$uploadInfo = $uploadsData->getUpload(uploadId: $fileId);
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if($uploadInfo === null) {
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$response->setContent('File not found.');
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return 404;
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}
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if($uploadInfo->isCopyrightTakedown()) {
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$response->setContent('File is unavailable for copyright reasons.');
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return 451;
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}
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if($uploadInfo->isDeleted() || $uploadInfo->hasExpired()) {
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$response->setContent('File not found.');
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return 404;
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}
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if($isJson)
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return eepromUploadInfo($uploadInfo);
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$filePath = $uploadsCtx->getFileDataPath($uploadInfo);
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if(!is_file($filePath)) {
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$response->setContent('Data is missing.');
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return 404;
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}
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if(!$isThumbnail) {
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$uploadsData->bumpUploadAccess($uploadInfo);
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$uploadsData->bumpUploadExpires($uploadInfo);
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}
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$fileName = $uploadInfo->getName();
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$contentType = $uploadInfo->getMediaTypeString();
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if($contentType === 'application/octet-stream' || str_starts_with($contentType, 'text/'))
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$contentType = 'text/plain';
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if($isThumbnail) {
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if(!$uploadsCtx->supportsThumbnailing($uploadInfo))
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return 404;
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$contentType = 'image/jpeg';
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$accelRedirectPath = $uploadsCtx->getThumbnailDataRedirectPathOrCreate($uploadInfo);
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$fileName = pathinfo($fileName, PATHINFO_FILENAME) . '-thumb.jpg';
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} else {
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$accelRedirectPath = $uploadsCtx->getFileDataRedirectPath($uploadInfo);
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}
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$response->accelRedirect($accelRedirectPath);
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$response->setContentType($contentType);
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$response->setFileName(addslashes($fileName));
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});
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} else {
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$router->use('/', function($response, $request) {
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if($request->getMethod() === 'OPTIONS') {
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$response->setHeader('Access-Control-Allow-Methods', 'OPTIONS, GET');
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return 204;
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}
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});
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$router->get('/:filename', function($response, $request, $fileName) use ($db) {
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global $eeprom;
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$pathInfo = pathinfo($fileName);
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$fileId = $pathInfo['filename'];
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$fileExt = $pathInfo['extension'] ?? '';
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$isThumbnail = $fileExt === 't';
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if($fileExt !== '' && $fileExt !== 't')
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return 404;
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$uploadsCtx = $eeprom->getUploadsContext();
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$uploadsData = $uploadsCtx->getUploadsData();
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$uploadInfo = $uploadsData->getUpload(uploadId: $fileId);
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if($uploadInfo === null) {
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$response->setContent('File not found.');
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return 404;
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}
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if($uploadInfo->isCopyrightTakedown()) {
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$response->setContent('File is unavailable for copyright reasons.');
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return 451;
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}
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if($uploadInfo->isDeleted() || $uploadInfo->hasExpired()) {
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$response->setContent('File not found.');
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return 404;
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}
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$filePath = $uploadsCtx->getFileDataPath($uploadInfo);
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if(!is_file($filePath)) {
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$response->setContent('Data is missing.');
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return 404;
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}
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if(!$isThumbnail) {
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$uploadsData->bumpUploadAccess($uploadInfo);
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$uploadsData->bumpUploadExpires($uploadInfo);
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}
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$fileName = $uploadInfo->getName();
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$contentType = $uploadInfo->getMediaTypeString();
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if($contentType === 'application/octet-stream' || str_starts_with($contentType, 'text/'))
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$contentType = 'text/plain';
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if($isThumbnail) {
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if(!$uploadsCtx->supportsThumbnailing($uploadInfo))
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return 404;
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$contentType = 'image/jpeg';
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$accelRedirectPath = $uploadsCtx->getThumbnailDataRedirectPathOrCreate($uploadInfo);
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$fileName = pathinfo($fileName, PATHINFO_FILENAME) . '-thumb.jpg';
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} else {
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$accelRedirectPath = $uploadsCtx->getFileDataRedirectPath($uploadInfo);
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}
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$response->accelRedirect($accelRedirectPath);
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$response->setContentType($contentType);
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$response->setFileName(addslashes($fileName));
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});
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}
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$router->dispatch();
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