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import { makeZoneFile, parseZoneFile } from 'zone-file'
import { extractProfile } from './profileTokens'
import { Person } from './profileSchemas/person'
import { Logger } from '../logger'
export function makeProfileZoneFile(origin: string, tokenFileUrl: string) {
if (tokenFileUrl.indexOf('://') < 0) {
throw new Error('Invalid token file url')
}
const urlScheme = tokenFileUrl.split('://')[0]
const urlParts = tokenFileUrl.split('://')[1].split('/')
const domain = urlParts[0]
const pathname = `/${urlParts.slice(1).join('/')}`
const zoneFile = {
$origin: origin,
$ttl: 3600,
uri: [
{
name: '_http._tcp',
priority: 10,
weight: 1,
target: `${urlScheme}://${domain}${pathname}`
}
]
}
const zoneFileTemplate = '{$origin}\n{$ttl}\n{uri}\n'
return makeZoneFile(zoneFile, zoneFileTemplate)
}
export function getTokenFileUrl(zoneFileJson: any): string | null {
if (!zoneFileJson.hasOwnProperty('uri')) {
return null
}
if (!Array.isArray(zoneFileJson.uri)) {
return null
}
if (zoneFileJson.uri.length < 1) {
return null
}
const firstUriRecord = zoneFileJson.uri[0]
if (!firstUriRecord.hasOwnProperty('target')) {
return null
}
let tokenFileUrl = firstUriRecord.target
if (tokenFileUrl.startsWith('https')) {
// pass
} else if (tokenFileUrl.startsWith('http')) {
// pass
} else {
tokenFileUrl = `https://${tokenFileUrl}`
}
return tokenFileUrl
}
export function resolveZoneFileToProfile(zoneFile: any, publicKeyOrAddress: string) {
return new Promise((resolve, reject) => {
let zoneFileJson = null
try {
zoneFileJson = parseZoneFile(zoneFile)
if (!zoneFileJson.hasOwnProperty('$origin')) {
zoneFileJson = null
}
} catch (e) {
reject(e)
}
let tokenFileUrl: string | null = null
if (zoneFileJson && Object.keys(zoneFileJson).length > 0) {
tokenFileUrl = getTokenFileUrl(zoneFileJson)
} else {
let profile = null
try {
profile = JSON.parse(zoneFile)
profile = Person.fromLegacyFormat(profile).profile()
} catch (error) {
reject(error)
}
resolve(profile)
return
}
if (tokenFileUrl) {
fetch(tokenFileUrl)
.then(response => response.text())
.then(responseText => JSON.parse(responseText))
.then((responseJson) => {
const tokenRecords = responseJson
const profile = extractProfile(tokenRecords[0].token, publicKeyOrAddress)
resolve(profile)
})
.catch((error) => {
Logger.error(`resolveZoneFileToProfile: error fetching token file ${tokenFileUrl}: ${error}`)
reject(error)
})
} else {
Logger.debug('Token file url not found. Resolving to blank profile.')
resolve({})
}
})
}
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