34 lines
737 B
TypeScript
34 lines
737 B
TypeScript
import { type EventTemplate, type Event } from './event.ts'
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import { ClientAuth } from './kinds.ts'
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import { Relay } from './relay.ts'
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/**
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* Authenticate via NIP-42 flow.
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*
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* @example
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* const sign = window.nostr.signEvent
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* relay.on('auth', challenge =>
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* authenticate({ relay, sign, challenge })
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* )
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*/
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export const authenticate = async ({
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challenge,
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relay,
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sign,
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}: {
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challenge: string
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relay: Relay
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sign: (e: EventTemplate) => Promise<Event> | Event
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}): Promise<void> => {
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const evt: EventTemplate = {
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kind: ClientAuth,
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created_at: Math.floor(Date.now() / 1000),
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tags: [
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['relay', relay.url],
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['challenge', challenge],
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],
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content: '',
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}
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return relay.auth(await sign(evt))
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}
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