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38 lines
1.9 KiB
Markdown
38 lines
1.9 KiB
Markdown
NIP-07
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======
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`window.nostr` capability for web browsers
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------------------------------------------
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`draft` `optional` `author:fiatjaf`
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The `window.nostr` object may be made available by web browsers or extensions and websites or web-apps may make use of it after checking its availability.
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That object must define the following methods:
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```
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async window.nostr.getPublicKey(): string // returns a public key as hex
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async window.nostr.signEvent(event: Event): Event // takes an event object, adds `id`, `pubkey` and `sig` and returns it
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```
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Aside from these two basic above, the following functions can also be implemented optionally:
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```
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async window.nostr.getRelays(): { [url: string]: {read: boolean, write: boolean} } // returns a basic map of relay urls to relay policies
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async window.nostr.nip04.encrypt(pubkey, plaintext): string // returns ciphertext and iv as specified in nip-04
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async window.nostr.nip04.decrypt(pubkey, ciphertext): string // takes ciphertext and iv as specified in nip-04
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```
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### Recommendation to Implementers
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When `window.nostr` is injected by a browser extension, it may not be fully available until a certain point in the page's lifecycle. Hence, it is a good idea to invoke the first `window.nostr` based functionality after a user-action on the web page (like a button click), and not during the page load.
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Calling the `window.nostr` based methods during the page load runs the risk of intermittent issues due to race conditions between the client page's script and the extension's script
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### Implementation
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- [horse](https://github.com/fiatjaf/horse) (Chrome and derivatives)
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- [nos2x](https://github.com/fiatjaf/nos2x) (Chrome and derivatives)
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- [Alby](https://getalby.com) (Chrome and derivatives, Firefox, Safari)
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- [Blockcore](https://www.blockcore.net/wallet) (Chrome and derivatives)
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- [nos2x-fox](https://diegogurpegui.com/nos2x-fox/) (Firefox)
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- [Flamingo](https://www.getflamingo.org/) (Chrome and derivatives)
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