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metamask-extension/app/scripts/lib/ipfsContent.js
Yung chieh Tsai 384cb126dd Update lib
2018-05-29 19:29:12 +08:00

37 lines
1.5 KiB
JavaScript

const extension = require('extensionizer')
const resolver = require('./resolver.js')
module.exports = function (provider) {
extension.webRequest.onBeforeRequest.addListener(details => {
const name = details.url.substring(7, details.url.length - 1)
let clearTime = null
extension.tabs.getSelected(null, 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://gateway.ipfs.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://gateway.ipfs.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 }
}, {urls: ['*://*.eth/']})
}