Fix model fetching from workers.dev domains #1510
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Add referrerPolicy: 'no-referrer' to browser fetch calls to prevent Hugging Face infrastructure from blocking requests based on referrer. Co-Authored-By: Claude Opus 4.5 <[email protected]>
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I created a discussion to see if the block can be fixed at https://discuss.huggingface.co/t/cannot-access-from-workers-dev-subdomains/172959 |
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Add referrerPolicy: 'no-referrer' to browser fetch calls to prevent Hugging Face infrastructure from blocking requests based on referrer.
To test:
curl https://huggingface.co/Xenova/bert-base-uncased/resolve/main/config.jsonAnd also:
curl -s https://huggingface.co/Xenova/bert-base-uncased/resolve/main/config.json -H "Referer: https://workers.dev/"And also:
curl -s https://huggingface.co/Xenova/bert-base-uncased/resolve/main/config.json -H "Referer: https://example.com/"Weird stuff happens when adding a referer from a workers.dev subdomain.
See live example at
https://transformers-js-demo.cloudflare-huddle586.workers.dev/where the model errors. However, see example athttps://transformers-js-demo-2.cloudflare-huddle586.workers.dev/using my fork of transformers.js where it actually works with my changes.