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Add guard to prevent recursive proxying even when origin=1

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Signed-off-by: eternal-flame-AD <yume@yumechi.jp>
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ゆめ 2024-10-17 23:53:26 -05:00
parent fb690169f3
commit 086532218e
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1 changed files with 6 additions and 0 deletions
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6
packages/backend/src/server/FileServerService.ts
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@ -319,6 +319,12 @@ export class FileServerService {
); );
} }
if (!request.headers['user-agent']) {
throw new StatusError('User-Agent is required', 400, 'User-Agent is required');
} else if (request.headers['user-agent'].includes(this.config.userAgent)) {
throw new StatusError('Proxy is recursive', 400, 'Proxy is recursive');
}
// Create temp file // Create temp file
const file = await this.getStreamAndTypeFromUrl(url); const file = await this.getStreamAndTypeFromUrl(url);
if (file === '404') { if (file === '404') {