56 lines
1.8 KiB
JavaScript
56 lines
1.8 KiB
JavaScript
const fetch = require('fetch')
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const request = require('request')
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const crypto = require('crypto')
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const config = require('config')
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const Helpers = {
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async signAndSend(message, user, domain, req, res, targetOrigin) {
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// get the URI of the actor object and append 'inbox' to it
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let inbox = message.object.actor+'/inbox'
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let inboxFragment = inbox.replace(targetOrigin,'')
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const targetDomain = new URL(targetOrigin).host
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// get the private key
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const privkey = user.rsa.privateKey
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const signer = crypto.createSign('sha256')
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let d = new Date()
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let stringToSign = `(request-target): post ${inboxFragment}\nhost: ${targetDomain}\ndate: ${d.toUTCString()}`
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signer.update(stringToSign)
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signer.end()
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const signature = signer.sign(privkey)
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const signature_b64 = signature.toString('base64')
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let header = `keyId="${config.baseurl}/federation/u/${user.username}",headers="(request-target) host date",signature="${signature_b64}"`
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request({
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url: inbox,
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headers: {
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'Host': targetDomain,
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'Date': d.toUTCString(),
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'Signature': header
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},
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method: 'POST',
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json: true,
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body: message
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}, function (error, response){
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if (error) {
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console.log('Error:', error, response.body)
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}
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else {
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console.log('Response:', response.body)
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}
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})
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return res.status(200)
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},
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async sendAcceptMessage (body, user, domain, req, res, targetOrigin) {
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const guid = crypto.randomBytes(16).toString('hex')
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let message = {
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'@context': 'https://www.w3.org/ns/activitystreams',
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'id': `${config.baseurl}/federation/${guid}`,
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'type': 'Accept',
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'actor': `${config.baseurl}/federation/u/${user.username}`,
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'object': body,
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}
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Helpers.signAndSend(message, user, domain, req, res, targetOrigin)
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}
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}
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module.exports = Helpers
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