Files
smesh/src/providers/NostrProvider/index.tsx
codytseng ffd22e27bc fix: 🐛
2025-04-05 15:44:29 +08:00

579 lines
19 KiB
TypeScript

import LoginDialog from '@/components/LoginDialog'
import { BIG_RELAY_URLS, ExtendedKind } from '@/constants'
import { useToast } from '@/hooks'
import {
getLatestEvent,
getProfileFromProfileEvent,
getRelayListFromRelayListEvent
} from '@/lib/event'
import { formatPubkey, isValidPubkey } from '@/lib/pubkey'
import client from '@/services/client.service'
import indexedDb from '@/services/indexed-db.service'
import storage from '@/services/local-storage.service'
import { ISigner, TAccount, TAccountPointer, TDraftEvent, TProfile, TRelayList } from '@/types'
import { hexToBytes } from '@noble/hashes/utils'
import dayjs from 'dayjs'
import { Event, kinds, VerifiedEvent } from 'nostr-tools'
import * as nip19 from 'nostr-tools/nip19'
import * as nip49 from 'nostr-tools/nip49'
import { createContext, useContext, useEffect, useState } from 'react'
import { useTranslation } from 'react-i18next'
import { BunkerSigner } from './bunker.signer'
import { Nip07Signer } from './nip-07.signer'
import { NsecSigner } from './nsec.signer'
import { NpubSigner } from './npub.signer'
type TNostrContext = {
pubkey: string | null
profile: TProfile | null
profileEvent: Event | null
relayList: TRelayList | null
followListEvent?: Event
muteListEvent?: Event
favoriteRelaysEvent: Event | null
account: TAccountPointer | null
accounts: TAccountPointer[]
nsec: string | null
ncryptsec: string | null
switchAccount: (account: TAccountPointer | null) => Promise<void>
nsecLogin: (nsec: string, password?: string) => Promise<string>
ncryptsecLogin: (ncryptsec: string) => Promise<string>
nip07Login: () => Promise<string>
bunkerLogin: (bunker: string) => Promise<string>
npubLogin(npub: string): Promise<string>
removeAccount: (account: TAccountPointer) => void
/**
* Default publish the event to current relays, user's write relays and additional relays
*/
publish: (draftEvent: TDraftEvent, options?: { specifiedRelayUrls?: string[] }) => Promise<Event>
signHttpAuth: (url: string, method: string) => Promise<string>
signEvent: (draftEvent: TDraftEvent) => Promise<VerifiedEvent>
nip04Encrypt: (pubkey: string, plainText: string) => Promise<string>
nip04Decrypt: (pubkey: string, cipherText: string) => Promise<string>
startLogin: () => void
checkLogin: <T>(cb?: () => T) => Promise<T | void>
updateRelayListEvent: (relayListEvent: Event) => Promise<void>
updateProfileEvent: (profileEvent: Event) => Promise<void>
updateFollowListEvent: (followListEvent: Event) => Promise<void>
updateMuteListEvent: (muteListEvent: Event, tags: string[][]) => Promise<void>
updateFavoriteRelaysEvent: (favoriteRelaysEvent: Event) => Promise<void>
}
const NostrContext = createContext<TNostrContext | undefined>(undefined)
export const useNostr = () => {
const context = useContext(NostrContext)
if (!context) {
throw new Error('useNostr must be used within a NostrProvider')
}
return context
}
export function NostrProvider({ children }: { children: React.ReactNode }) {
const { t } = useTranslation()
const { toast } = useToast()
const [account, setAccount] = useState<TAccountPointer | null>(null)
const [nsec, setNsec] = useState<string | null>(null)
const [ncryptsec, setNcryptsec] = useState<string | null>(null)
const [signer, setSigner] = useState<ISigner | null>(null)
const [openLoginDialog, setOpenLoginDialog] = useState(false)
const [profile, setProfile] = useState<TProfile | null>(null)
const [profileEvent, setProfileEvent] = useState<Event | null>(null)
const [relayList, setRelayList] = useState<TRelayList | null>(null)
const [followListEvent, setFollowListEvent] = useState<Event | undefined>(undefined)
const [muteListEvent, setMuteListEvent] = useState<Event | undefined>(undefined)
const [favoriteRelaysEvent, setFavoriteRelaysEvent] = useState<Event | null>(null)
useEffect(() => {
const init = async () => {
if (hasNostrLoginHash()) {
return await loginByNostrLoginHash()
}
const accounts = storage.getAccounts()
const act = storage.getCurrentAccount() ?? accounts[0] // auto login the first account
if (!act) return
await loginWithAccountPointer(act)
}
init()
const handleHashChange = () => {
if (hasNostrLoginHash()) {
loginByNostrLoginHash()
}
}
window.addEventListener('hashchange', handleHashChange)
return () => {
window.removeEventListener('hashchange', handleHashChange)
}
}, [])
useEffect(() => {
const init = async () => {
setRelayList(null)
setProfile(null)
setProfileEvent(null)
setNsec(null)
setFavoriteRelaysEvent(null)
if (!account) {
return
}
const controller = new AbortController()
const storedNsec = storage.getAccountNsec(account.pubkey)
if (storedNsec) {
setNsec(storedNsec)
} else {
setNsec(null)
}
const storedNcryptsec = storage.getAccountNcryptsec(account.pubkey)
if (storedNcryptsec) {
setNcryptsec(storedNcryptsec)
} else {
setNcryptsec(null)
}
const [
storedRelayListEvent,
storedProfileEvent,
storedFollowListEvent,
storedMuteListEvent,
storedFavoriteRelaysEvent
] = await Promise.all([
indexedDb.getReplaceableEvent(account.pubkey, kinds.RelayList),
indexedDb.getReplaceableEvent(account.pubkey, kinds.Metadata),
indexedDb.getReplaceableEvent(account.pubkey, kinds.Contacts),
indexedDb.getReplaceableEvent(account.pubkey, kinds.Mutelist),
indexedDb.getReplaceableEvent(account.pubkey, ExtendedKind.FAVORITE_RELAYS)
])
if (storedRelayListEvent) {
setRelayList(
storedRelayListEvent ? getRelayListFromRelayListEvent(storedRelayListEvent) : null
)
}
if (storedProfileEvent) {
setProfileEvent(storedProfileEvent)
setProfile(getProfileFromProfileEvent(storedProfileEvent))
}
if (storedFollowListEvent) {
setFollowListEvent(storedFollowListEvent)
}
if (storedMuteListEvent) {
setMuteListEvent(storedMuteListEvent)
}
if (storedFavoriteRelaysEvent) {
setFavoriteRelaysEvent(storedFavoriteRelaysEvent)
}
const relayListEvents = await client.fetchEvents(BIG_RELAY_URLS, {
kinds: [kinds.RelayList],
authors: [account.pubkey]
})
const relayListEvent = getLatestEvent(relayListEvents) ?? storedRelayListEvent
const relayList = getRelayListFromRelayListEvent(relayListEvent)
if (relayListEvent) {
client.updateRelayListCache(relayListEvent)
await indexedDb.putReplaceableEvent(relayListEvent)
}
setRelayList(relayList)
const events = await client.fetchEvents(relayList.write.concat(BIG_RELAY_URLS).slice(0, 4), {
kinds: [kinds.Metadata, kinds.Contacts, kinds.Mutelist, ExtendedKind.FAVORITE_RELAYS],
authors: [account.pubkey]
})
const sortedEvents = events.sort((a, b) => b.created_at - a.created_at)
const profileEvent = sortedEvents.find((e) => e.kind === kinds.Metadata)
const followListEvent = sortedEvents.find((e) => e.kind === kinds.Contacts)
const muteListEvent = sortedEvents.find((e) => e.kind === kinds.Mutelist)
const favoriteRelaysEvent = sortedEvents.find((e) => e.kind === ExtendedKind.FAVORITE_RELAYS)
if (profileEvent) {
setProfileEvent(profileEvent)
setProfile(getProfileFromProfileEvent(profileEvent))
await indexedDb.putReplaceableEvent(profileEvent)
} else if (!storedProfileEvent) {
setProfile({
pubkey: account.pubkey,
username: formatPubkey(account.pubkey)
})
}
if (followListEvent) {
setFollowListEvent(followListEvent)
await indexedDb.putReplaceableEvent(followListEvent)
}
if (muteListEvent) {
setMuteListEvent(muteListEvent)
await indexedDb.putReplaceableEvent(muteListEvent)
}
if (favoriteRelaysEvent) {
setFavoriteRelaysEvent(favoriteRelaysEvent)
await indexedDb.putReplaceableEvent(favoriteRelaysEvent)
}
client.initUserIndexFromFollowings(account.pubkey, controller.signal)
return controller
}
const promise = init()
return () => {
promise.then((controller) => {
controller?.abort()
})
}
}, [account])
useEffect(() => {
if (signer) {
client.signer = signer
} else {
client.signer = undefined
}
}, [signer])
const hasNostrLoginHash = () => {
return window.location.hash && window.location.hash.startsWith('#nostr-login')
}
const loginByNostrLoginHash = async () => {
const credential = window.location.hash.replace('#nostr-login=', '')
const urlWithoutHash = window.location.href.split('#')[0]
history.replaceState(null, '', urlWithoutHash)
if (credential.startsWith('bunker://')) {
return await bunkerLogin(credential)
} else if (credential.startsWith('ncryptsec')) {
return await ncryptsecLogin(credential)
} else if (credential.startsWith('nsec')) {
return await nsecLogin(credential)
}
}
const login = (signer: ISigner, act: TAccount) => {
storage.addAccount(act)
storage.switchAccount(act)
setAccount({ pubkey: act.pubkey, signerType: act.signerType })
setSigner(signer)
return act.pubkey
}
const removeAccount = (act: TAccountPointer) => {
storage.removeAccount(act)
if (account?.pubkey === act.pubkey) {
setAccount(null)
setSigner(null)
}
}
const switchAccount = async (act: TAccountPointer | null) => {
if (!act) {
storage.switchAccount(null)
setAccount(null)
setSigner(null)
return
}
await loginWithAccountPointer(act)
}
const nsecLogin = async (nsecOrHex: string, password?: string) => {
const nsecSigner = new NsecSigner()
let privkey: Uint8Array
if (nsecOrHex.startsWith('nsec')) {
const { type, data } = nip19.decode(nsecOrHex)
if (type !== 'nsec') {
throw new Error('invalid nsec or hex')
}
privkey = data
} else if (/^[0-9a-fA-F]{64}$/.test(nsecOrHex)) {
privkey = hexToBytes(nsecOrHex)
} else {
throw new Error('invalid nsec or hex')
}
const pubkey = nsecSigner.login(privkey)
if (password) {
const ncryptsec = nip49.encrypt(privkey, password)
return login(nsecSigner, { pubkey, signerType: 'ncryptsec', ncryptsec })
}
return login(nsecSigner, { pubkey, signerType: 'nsec', nsec: nip19.nsecEncode(privkey) })
}
const ncryptsecLogin = async (ncryptsec: string) => {
const password = prompt(t('Enter the password to decrypt your ncryptsec'))
if (!password) {
throw new Error('Password is required')
}
const privkey = nip49.decrypt(ncryptsec, password)
const browserNsecSigner = new NsecSigner()
const pubkey = browserNsecSigner.login(privkey)
return login(browserNsecSigner, { pubkey, signerType: 'ncryptsec', ncryptsec })
}
const npubLogin = async (npub: string) => {
const npubSigner = new NpubSigner()
const pubkey = npubSigner.login(npub)
return login(npubSigner, { pubkey, signerType: 'npub', npub })
}
const nip07Login = async () => {
try {
const nip07Signer = new Nip07Signer()
await nip07Signer.init()
const pubkey = await nip07Signer.getPublicKey()
if (!pubkey) {
throw new Error('You did not allow to access your pubkey')
}
return login(nip07Signer, { pubkey, signerType: 'nip-07' })
} catch (err) {
toast({
title: 'Login failed',
description: (err as Error).message,
variant: 'destructive'
})
throw err
}
}
const bunkerLogin = async (bunker: string) => {
const bunkerSigner = new BunkerSigner()
const pubkey = await bunkerSigner.login(bunker)
if (!pubkey) {
throw new Error('Invalid bunker')
}
const bunkerUrl = new URL(bunker)
bunkerUrl.searchParams.delete('secret')
return login(bunkerSigner, {
pubkey,
signerType: 'bunker',
bunker: bunkerUrl.toString(),
bunkerClientSecretKey: bunkerSigner.getClientSecretKey()
})
}
const loginWithAccountPointer = async (act: TAccountPointer): Promise<string | null> => {
let account = storage.findAccount(act)
if (!account) {
return null
}
if (account.signerType === 'nsec' || account.signerType === 'browser-nsec') {
if (account.nsec) {
const browserNsecSigner = new NsecSigner()
browserNsecSigner.login(account.nsec)
// Migrate to nsec
if (account.signerType === 'browser-nsec') {
storage.removeAccount(account)
account = { ...account, signerType: 'nsec' }
storage.addAccount(account)
}
return login(browserNsecSigner, account)
}
} else if (account.signerType === 'ncryptsec') {
if (account.ncryptsec) {
const password = prompt(t('Enter the password to decrypt your ncryptsec'))
if (!password) {
return null
}
const privkey = nip49.decrypt(account.ncryptsec, password)
const browserNsecSigner = new NsecSigner()
browserNsecSigner.login(privkey)
return login(browserNsecSigner, account)
}
} else if (account.signerType === 'nip-07') {
const nip07Signer = new Nip07Signer()
await nip07Signer.init()
return login(nip07Signer, account)
} else if (account.signerType === 'bunker') {
if (account.bunker && account.bunkerClientSecretKey) {
const bunkerSigner = new BunkerSigner(account.bunkerClientSecretKey)
const pubkey = await bunkerSigner.login(account.bunker)
if (!pubkey) {
storage.removeAccount(account)
return null
}
if (pubkey !== account.pubkey) {
storage.removeAccount(account)
account = { ...account, pubkey }
storage.addAccount(account)
}
return login(bunkerSigner, account)
}
} else if (account.signerType === 'npub' && account.npub) {
const npubSigner = new NpubSigner()
const pubkey = npubSigner.login(account.npub)
if (!pubkey) {
storage.removeAccount(account)
return null
}
if (pubkey !== account.pubkey) {
storage.removeAccount(account)
account = { ...account, pubkey }
storage.addAccount(account)
}
return login(npubSigner, account)
}
storage.removeAccount(account)
return null
}
const signEvent = async (draftEvent: TDraftEvent) => {
const event = await signer?.signEvent(draftEvent)
if (!event) {
throw new Error('sign event failed')
}
return event as VerifiedEvent
}
const publish = async (
draftEvent: TDraftEvent,
{ specifiedRelayUrls }: { specifiedRelayUrls?: string[] } = {}
) => {
const additionalRelayUrls: string[] = []
if (
!specifiedRelayUrls?.length &&
[
kinds.ShortTextNote,
kinds.Reaction,
kinds.Repost,
ExtendedKind.COMMENT,
ExtendedKind.PICTURE
].includes(draftEvent.kind)
) {
const mentions: string[] = []
draftEvent.tags.forEach(([tagName, tagValue]) => {
if (
['p', 'P'].includes(tagName) &&
!!tagValue &&
isValidPubkey(tagValue) &&
!mentions.includes(tagValue)
) {
mentions.push(tagValue)
}
})
if (mentions.length > 0) {
const relayLists = await client.fetchRelayLists(mentions)
relayLists.forEach((relayList) => {
additionalRelayUrls.push(...relayList.read.slice(0, 4))
})
}
}
if (draftEvent.kind === kinds.RelayList) {
additionalRelayUrls.push(...BIG_RELAY_URLS)
}
const event = await signEvent(draftEvent)
const relays = specifiedRelayUrls?.length
? specifiedRelayUrls
: (relayList?.write.slice(0, 10) ?? [])
.concat(Array.from(new Set(additionalRelayUrls)) ?? [])
.concat(client.getCurrentRelayUrls())
if (!relays.length) {
relays.push(...BIG_RELAY_URLS)
}
await client.publishEvent(relays, event)
return event
}
const signHttpAuth = async (url: string, method: string) => {
const event = await signEvent({
content: '',
kind: kinds.HTTPAuth,
created_at: dayjs().unix(),
tags: [
['u', url],
['method', method]
]
})
return 'Nostr ' + btoa(JSON.stringify(event))
}
const nip04Encrypt = async (pubkey: string, plainText: string) => {
return signer?.nip04Encrypt(pubkey, plainText) ?? ''
}
const nip04Decrypt = async (pubkey: string, cipherText: string) => {
return signer?.nip04Decrypt(pubkey, cipherText) ?? ''
}
const checkLogin = async <T,>(cb?: () => T): Promise<T | void> => {
if (signer) {
return cb && cb()
}
return setOpenLoginDialog(true)
}
const updateRelayListEvent = async (relayListEvent: Event) => {
const newRelayList = await indexedDb.putReplaceableEvent(relayListEvent)
setRelayList(getRelayListFromRelayListEvent(newRelayList))
}
const updateProfileEvent = async (profileEvent: Event) => {
const newProfileEvent = await indexedDb.putReplaceableEvent(profileEvent)
setProfileEvent(newProfileEvent)
setProfile(getProfileFromProfileEvent(newProfileEvent))
}
const updateFollowListEvent = async (followListEvent: Event) => {
const newFollowListEvent = await indexedDb.putReplaceableEvent(followListEvent)
if (newFollowListEvent.id !== followListEvent.id) return
setFollowListEvent(newFollowListEvent)
client.updateFollowListCache(newFollowListEvent)
}
const updateMuteListEvent = async (muteListEvent: Event, tags: string[][]) => {
const newMuteListEvent = await indexedDb.putReplaceableEvent(muteListEvent)
if (newMuteListEvent.id !== muteListEvent.id) return
await indexedDb.putMuteDecryptedTags(muteListEvent.id, tags)
setMuteListEvent(muteListEvent)
}
const updateFavoriteRelaysEvent = async (favoriteRelaysEvent: Event) => {
const newFavoriteRelaysEvent = await indexedDb.putReplaceableEvent(favoriteRelaysEvent)
if (newFavoriteRelaysEvent.id !== favoriteRelaysEvent.id) return
setFavoriteRelaysEvent(newFavoriteRelaysEvent)
}
return (
<NostrContext.Provider
value={{
pubkey: account?.pubkey ?? null,
profile,
profileEvent,
relayList,
followListEvent,
muteListEvent,
favoriteRelaysEvent,
account,
accounts: storage
.getAccounts()
.map((act) => ({ pubkey: act.pubkey, signerType: act.signerType })),
nsec,
ncryptsec,
switchAccount,
nsecLogin,
ncryptsecLogin,
nip07Login,
bunkerLogin,
npubLogin,
removeAccount,
publish,
signHttpAuth,
nip04Encrypt,
nip04Decrypt,
startLogin: () => setOpenLoginDialog(true),
checkLogin,
signEvent,
updateRelayListEvent,
updateProfileEvent,
updateFollowListEvent,
updateMuteListEvent,
updateFavoriteRelaysEvent
}}
>
{children}
<LoginDialog open={openLoginDialog} setOpen={setOpenLoginDialog} />
</NostrContext.Provider>
)
}