Files
nostr-connect/extension/nostr-provider.js

82 lines
2.0 KiB
JavaScript

window.nostr = {
_requests: {},
_pubkey: null,
async getPublicKey() {
if (this._pubkey) return this._pubkey
this._pubkey = await this._call('getPublicKey', {})
return this._pubkey
},
async signEvent(event) {
return this._call('signEvent', {event})
},
async getRelays() {
return this._call('getRelays', {})
},
nip04: {
async encrypt(peer, plaintext) {
return window.nostr._call('nip04.encrypt', {peer, plaintext})
},
async decrypt(peer, ciphertext) {
return window.nostr._call('nip04.decrypt', {peer, ciphertext})
}
},
_call(type, params) {
return new Promise((resolve, reject) => {
let id = Math.random().toString().slice(4)
this._requests[id] = {resolve, reject}
window.postMessage(
{
id,
ext: 'nos2x',
type,
params
},
'*'
)
})
}
}
window.addEventListener('message', message => {
if (
!message.data ||
message.data.response === null ||
message.data.response === undefined ||
message.data.ext !== 'nos2x' ||
!window.nostr._requests[message.data.id]
)
return
if (message.data.response.error) {
let error = new Error('nos2x: ' + message.data.response.error.message)
error.stack = message.data.response.error.stack
window.nostr._requests[message.data.id].reject(error)
} else {
window.nostr._requests[message.data.id].resolve(message.data.response)
}
delete window.nostr._requests[message.data.id]
})
// hack to replace nostr:nprofile.../etc links with something else
let replacing = null
document.addEventListener('mousedown', replaceNostrSchemeLink)
async function replaceNostrSchemeLink(e) {
if (e.target.tagName !== 'A' || !e.target.href.startsWith('nostr:')) return
if (replacing === false) return
let response = await window.nostr._call('replaceURL', {url: e.target.href})
if (response === false) {
replacing = false
return
}
e.target.href = response
}