const extension = require('extensionizer') const resolver = require('./resolver.js') module.exports = function (provider) { function ipfsContent (details) { const name = details.url.substring(7, details.url.length - 1) let clearTime = null extension.tabs.query({active: true}, tab => { extension.tabs.update(tab.id, { url: 'loading.html' }) clearTime = setTimeout(() => { return extension.tabs.update(tab.id, { url: '404.html' }) }, 60000) resolver.resolve(name, provider).then(ipfsHash => { clearTimeout(clearTime) let url = 'https://ipfs.infura.io/ipfs/' + ipfsHash return fetch(url, { method: 'HEAD' }).then(response => response.status).then(statusCode => { if (statusCode !== 200) return extension.tabs.update(tab.id, { url: '404.html' }) extension.tabs.update(tab.id, { url: url }) }) .catch(err => { url = 'https://ipfs.infura.io/ipfs/' + ipfsHash extension.tabs.update(tab.id, {url: url}) return err }) }) .catch(err => { clearTimeout(clearTime) const url = err === 'unsupport' ? 'unsupport' : 'error' extension.tabs.update(tab.id, {url: `${url}.html?name=${name}`}) }) }) return { cancel: true } } extension.webRequest.onErrorOccurred.addListener(ipfsContent, {urls: ['*://*.eth/']}) return { remove () { extension.webRequest.onErrorOccurred.removeListener(ipfsContent) }, } }