131 lines
3.3 KiB
JavaScript
131 lines
3.3 KiB
JavaScript
const EXTENSION = 'nostrconnect'
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window.nostr = {
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_requests: {},
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_pubkey: null,
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async getPublicKey() {
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if (this._pubkey) return this._pubkey
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this._pubkey = await this._call('getPublicKey', {})
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return this._pubkey
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},
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async peekPublicKey() {
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return this._call('peekPublicKey', {})
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},
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async signEvent(event) {
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return this._call('signEvent', { event })
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},
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async getRelays() {
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return {}
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},
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nip04: {
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async encrypt(peer, plaintext) {
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return window.nostr._call('nip04.encrypt', { peer, plaintext })
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},
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async decrypt(peer, ciphertext) {
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return window.nostr._call('nip04.decrypt', { peer, ciphertext })
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}
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},
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nip44: {
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async encrypt(peer, plaintext) {
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return window.nostr._call('nip44.encrypt', { peer, plaintext })
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},
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async decrypt(peer, ciphertext) {
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return window.nostr._call('nip44.decrypt', { peer, ciphertext })
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}
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},
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_call(type, params) {
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const id = Math.random().toString().slice(-4)
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console.log(
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'%c[nostrconnect:%c' +
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id +
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'%c]%c calling %c' +
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type +
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'%c with %c' +
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JSON.stringify(params || {}),
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'background-color:#f1b912;font-weight:bold;color:white',
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'background-color:#f1b912;font-weight:bold;color:#a92727',
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'background-color:#f1b912;color:white;font-weight:bold',
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'color:auto',
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'font-weight:bold;color:#08589d;font-family:monospace',
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'color:auto',
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'font-weight:bold;color:#90b12d;font-family:monospace'
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)
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return new Promise((resolve, reject) => {
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this._requests[id] = { resolve, reject }
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window.postMessage(
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{
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id,
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ext: EXTENSION,
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type,
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params
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},
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'*'
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)
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})
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}
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}
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window.addEventListener('message', (message) => {
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if (
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!message.data ||
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message.data.response === null ||
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message.data.response === undefined ||
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message.data.ext !== EXTENSION ||
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!window.nostr._requests[message.data.id]
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)
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return
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if (message.data.response.error) {
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const error = new Error(
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`${EXTENSION}: ${message.data.response.error.message}`
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)
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error.stack = message.data.response.error.stack
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window.nostr._requests[message.data.id].reject(error)
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} else {
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window.nostr._requests[message.data.id].resolve(message.data.response)
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}
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console.log(
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'%c[nostrconnect:%c' +
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message.data.id +
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'%c]%c result: %c' +
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JSON.stringify(
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message?.data?.response || message?.data?.response?.error?.message || {}
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),
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'background-color:#f1b912;font-weight:bold;color:white',
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'background-color:#f1b912;font-weight:bold;color:#a92727',
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'background-color:#f1b912;color:white;font-weight:bold',
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'color:auto',
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'font-weight:bold;color:#08589d'
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)
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delete window.nostr._requests[message.data.id]
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})
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// hack to replace nostr:nprofile.../etc links with something else
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let replacing = null
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document.addEventListener('mousedown', replaceNostrSchemeLink)
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async function replaceNostrSchemeLink(e) {
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if (e.target.tagName !== 'A' || !e.target.href.startsWith('nostr:')) return
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if (replacing === false) return
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const response = await window.nostr._call('replaceURL', {
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url: e.target.href
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})
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if (response === false) {
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replacing = false
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return
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}
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e.target.href = response
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}
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