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Merge commit from fork 

[ghsa-gq5q-c77c-v236](https://github.com/misskey-dev/misskey/security/advisories/ghsa-gq5q-c77c-v236)

Signed-off-by: eternal-flame-AD <yume@yumechi.jp>
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饺子w (Yumechi) 2024-10-22 04:17:56 -05:00 committed by Marie
parent 60be692a0a
commit e05420a92d
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6
packages/backend/src/server/FileServerService.ts
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@ -317,6 +317,12 @@ 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'].toLowerCase().indexOf('misskey/') !== -1) {
throw new StatusError('Refusing to proxy a request from another proxy', 403, 'Proxy is recursive');
}
// Create temp file
const file = await this.getStreamAndTypeFromUrl(url);
if (file === '404') {