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NIP05 Improve CORS header check command

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Luke Childs 2023-01-06 19:37:55 +07:00 committed by fiatjaf
parent 8c3c421715
commit 01a3090c6a
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05.md
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@ -83,7 +83,7 @@ By adding the `<local-part>` as a query string instead of as part of the path th
JavaScript Nostr apps may be restricted by browser [CORS][] policies that prevent them from accessing `/.well-known/nostr.json` on the user's domain. When CORS prevents JS from loading a resource, the JS program sees it as a network failure identical to the resource not existing, so it is not possible for a pure-JS app to tell the user for certain that the failure was caused by a CORS issue. JS Nostr apps that see network failures requesting `/.well-known/nostr.json` files may want to recommend to users that they check the CORS policy of their servers, e.g.: JavaScript Nostr apps may be restricted by browser [CORS][] policies that prevent them from accessing `/.well-known/nostr.json` on the user's domain. When CORS prevents JS from loading a resource, the JS program sees it as a network failure identical to the resource not existing, so it is not possible for a pure-JS app to tell the user for certain that the failure was caused by a CORS issue. JS Nostr apps that see network failures requesting `/.well-known/nostr.json` files may want to recommend to users that they check the CORS policy of their servers, e.g.:
```bash ```bash
$ curl -sI https://example.com/.well-known/nostr.json?name=bob | grep ^Access-Control $ curl -sI https://example.com/.well-known/nostr.json?name=bob | grep -i ^Access-Control
Access-Control-Allow-Origin: * Access-Control-Allow-Origin: *
``` ```