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82 lines
2.6 KiB
82 lines
2.6 KiB
import extension from 'extensionizer'
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import resolveEnsToIpfsContentId from './resolver'
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const supportedTopLevelDomains = ['eth']
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export default function setupEnsIpfsResolver({
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provider,
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getCurrentNetwork,
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getIpfsGateway,
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}) {
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// install listener
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const urlPatterns = supportedTopLevelDomains.map((tld) => `*://*.${tld}/*`)
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extension.webRequest.onErrorOccurred.addListener(webRequestDidFail, {
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urls: urlPatterns,
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types: ['main_frame'],
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})
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// return api object
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return {
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// uninstall listener
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remove() {
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extension.webRequest.onErrorOccurred.removeListener(webRequestDidFail)
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},
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}
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async function webRequestDidFail(details) {
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const { tabId, url } = details
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// ignore requests that are not associated with tabs
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// only attempt ENS resolution on mainnet
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if (tabId === -1 || getCurrentNetwork() !== '1') {
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return
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}
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// parse ens name
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const { hostname: name, pathname, search, hash: fragment } = new URL(url)
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const domainParts = name.split('.')
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const topLevelDomain = domainParts[domainParts.length - 1]
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// if unsupported TLD, abort
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if (!supportedTopLevelDomains.includes(topLevelDomain)) {
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return
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}
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// otherwise attempt resolve
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attemptResolve({ tabId, name, pathname, search, fragment })
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}
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async function attemptResolve({ tabId, name, pathname, search, fragment }) {
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const ipfsGateway = getIpfsGateway()
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extension.tabs.update(tabId, { url: `loading.html` })
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let url = `https://app.ens.domains/name/${name}`
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try {
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const { type, hash } = await resolveEnsToIpfsContentId({ provider, name })
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if (type === 'ipfs-ns' || type === 'ipns-ns') {
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const resolvedUrl = `https://${hash}.${type.slice(
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0,
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4,
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)}.${ipfsGateway}${pathname}${search || ''}${fragment || ''}`
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try {
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// check if ipfs gateway has result
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const response = await window.fetch(resolvedUrl, { method: 'HEAD' })
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if (response.status === 200) {
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url = resolvedUrl
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}
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} catch (err) {
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console.warn(err)
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}
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} else if (type === 'swarm-ns') {
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url = `https://swarm-gateways.net/bzz:/${hash}${pathname}${
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search || ''
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}${fragment || ''}`
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} else if (type === 'onion' || type === 'onion3') {
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url = `http://${hash}.onion${pathname}${search || ''}${fragment || ''}`
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} else if (type === 'zeronet') {
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url = `http://127.0.0.1:43110/${hash}${pathname}${search || ''}${
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fragment || ''
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}`
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}
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} catch (err) {
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console.warn(err)
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} finally {
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extension.tabs.update(tabId, { url })
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}
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}
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}
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