smartcert/ts/cert.classes.challengehandler.ts
2016-10-24 00:35:00 +02:00

85 lines
2.5 KiB
TypeScript

import * as plugins from './cert.plugins'
import * as paths from './cert.paths'
export interface IChallengehandlerConstructorOptions {
cfEmail: string,
cfKey: string,
}
/**
* class ChallengeHandler handles challenges
*/
export class ChallengeHandler {
private _cfInstance: plugins.cflare.CflareAccount
constructor(optionsArg: IChallengehandlerConstructorOptions) {
this._cfInstance = new plugins.cflare.CflareAccount()
this._cfInstance.auth({
email: optionsArg.cfEmail,
key: optionsArg.cfKey
})
}
/**
* set a challenge
*/
setChallenge(domainNameArg: string, challengeArg: string) {
let done = plugins.q.defer()
plugins.beautylog.log('setting challenge for ' + domainNameArg)
this._cfInstance.createRecord(prefixName(domainNameArg), 'TXT', challengeArg).then(() => {
plugins.beautylog.ok('Challenge has been set!')
plugins.beautylog.info('We need to cool down to let DNS propagate to edge locations!')
cooldown().then(() => {
done.resolve()
})
})
return done.promise
}
/**
* cleans a challenge
*/
cleanChallenge(domainNameArg) {
let done = plugins.q.defer()
plugins.beautylog.log('cleaning challenge for ' + domainNameArg)
this._cfInstance.removeRecord(prefixName(domainNameArg), 'TXT')
cooldown().then(() => {
done.resolve()
})
return done.promise
}
}
/**
* cooldown timer for letting DNS settle before answering the challengerequest
*/
let cooldown = () => {
let done = plugins.q.defer()
let cooldowntime = 60000
let passedTime = 0
plugins.beautylog.log('Cooling down! ' + (cooldowntime / 1000).toString() + ' seconds left')
let coolDownCounter = () => {
setTimeout(() => {
if (cooldowntime <= passedTime) {
plugins.beautylog.ok('Cooled down!')
done.resolve()
} else {
passedTime = passedTime + 5000
plugins.beautylog.log('Cooling down! '
+ ((cooldowntime - passedTime) / 1000).toString()
+ ' seconds left'
)
coolDownCounter()
}
}, 5000)
}
coolDownCounter()
return done.promise
}
/**
* prefix a domain name to make sure it complies with letsencrypt
*/
let prefixName = (domainNameArg: string): string => {
return '_acme-challenge.' + domainNameArg
}