generate keys for local users

config-template.json

@@ -4,5 +4,6 @@
   "DOMAIN": "",
   "PORT": "3000",
   "PRIVKEY_PATH": "",
-  "CERT_PATH": ""
+  "CERT_PATH": "",
+  "KEYPASS": ""
 }

db/setup.js

@@ -1,3 +1,6 @@
+const utils = require('../utils')
+const crypto = require('crypto')
+
 module.exports = async function dbSetup (db, domain) {
     await db.collection('streams').createIndex({
         _target: 1,
@@ -7,24 +10,10 @@ module.exports = async function dbSetup (db, domain) {
         actor: 1,
         _id: -1,
     })
+    const dummyUser = await utils.createLocalActor('dummy', 'Person')
     await db.collection('objects').findOneAndReplace(
         {preferredUsername: 'dummy'},
-        {
+        dummyUser,
-            id: `https://${domain}/u/dummy`,
-            "type": "Person",
-            "following": `https://${domain}/u/dummy/following`,
-            "followers": `https://${domain}/u/dummy/followers`,
-            "liked": `https://${domain}/u/dummy/liked`,
-            "inbox": `https://${domain}/u/dummy/inbox`,
-            "outbox": `https://${domain}/u/dummy/outbox`,
-            "preferredUsername": "dummy",
-            "name": "Dummy Person",
-            "summary": "Gotta have someone in the db",
-            "icon": `http://${domain}/f/dummy.png`,
-            attachment: [
-            `http://${domain}/f/dummy.glb`
-            ]
-        },
         {
             upsert: true,
             returnOriginal: false,

routes/inbox.js

@@ -20,7 +20,7 @@ router.get('/', function (req, res) {
   db.collection('streams')
     .find({_target: req.user})
     .sort({_id: -1})
-    .project({_id: 0, _target: 0, '@context': 0, 'object._id': 0, 'object.@context': 0})
+    .project({_id: 0, _target: 0, _meta: 0, '@context': 0, 'object._id': 0, 'object.@context': 0, 'objecct._meta': 0})
     .toArray()
     .then(stream => res.json(utils.arrayToCollection(stream, true)))
     .catch(err => {

routes/outbox.js

@@ -19,7 +19,7 @@ router.get('/', function (req, res) {
   db.collection('streams')
     .find({actor: utils.userNameToIRI(req.user)})
     .sort({_id: -1})
-    .project({_id: 0, _target: 0, 'object._id': 0, 'object.@context': 0})
+    .project({_id: 0, _target: 0, _meta: 0, 'object._id': 0, 'object.@context': 0, 'object._meta': 0})
     .toArray()
     .then(stream => res.json(utils.arrayToCollection(stream, true)))
     .catch(err => {

routes/user.js

@@ -1,7 +1,7 @@
 'use strict';
 const express = require('express'),
       router = express.Router();
-// const inbox = require('./inbox');
+const utils = require('../utils')
 const {toJSONLD} = require('../utils/index.js');
 
 router.get('/:name', async function (req, res) {
@@ -11,10 +11,14 @@ router.get('/:name', async function (req, res) {
   }
   else {
     let objs = req.app.get('objs');
-    const id = `https://${req.app.get('domain')}/u/${name}`
+    let db = req.app.get('db')
+    const id = utils.userNameToIRI(name)
     console.log(`looking up '${id}'`)
-    const user = await objs.findOne({type: 'Person', id: id}, {fields: {_id: 0}})
+    const user = await db.collection('objects')
-      // .project({_id: 0})
+      .find({type: 'Person', id: id})
+      .limit(1)
+      .project({_id: 0, _meta: 0})
+      .next()
     if (user) {
       return res.json(toJSONLD(user))
     }

utils/index.js

@@ -1,3 +1,5 @@
+const crypto = require('crypto')
+const {promisify} = require('util')
 const {ASContext} = require('./consts')
 module.exports.validators = require('./validators');
 const config = require('../config.json')
@@ -32,6 +34,50 @@ module.exports.arrayToCollection = function (arr, ordered) {
     }
 }
 
-module.exports.userNameToIRI = function (user) {
+function userNameToIRI (user) {
     return `https://${config.DOMAIN}/u/${user}`
 }
+module.exports.userNameToIRI = userNameToIRI
+
+const generateKeyPairPromise = promisify(crypto.generateKeyPair)
+module.exports.createLocalActor = function (name, type) {
+    return generateKeyPairPromise('rsa', {
+        modulusLength: 4096,
+        publicKeyEncoding: {
+            type: 'spki',
+            format: 'pem'
+        },
+        privateKeyEncoding: {
+            type: 'pkcs8',
+            format: 'pem',
+            cipher: 'aes-256-cbc',
+            passphrase: config.KEYPASS
+        }
+    }).then(pair => {
+        const actorBase = userNameToIRI(name);
+        return {
+            _meta: {
+                privateKey: pair.privateKey,
+            },
+            id: `${actorBase}`,
+            "type": type,
+            "following": `${actorBase}/following`,
+            "followers": `${actorBase}/followers`,
+            "liked": `${actorBase}/liked`,
+            "inbox": `${actorBase}/inbox`,
+            "outbox": `${actorBase}/outbox`,
+            "preferredUsername": name,
+            "name": "Dummy Person",
+            "summary": "Gotta have someone in the db",
+            "icon": `http://${config.DOMAIN}/f/${name}.png`,
+            attachment: [
+            `http://${config.DOMAIN}/f/${name}.glb`
+            ],
+            publicKey: {
+                'id': `${actorBase}#main-key`,
+                'owner': `${actorBase}`,
+                'publicKeyPem': pair.publicKey
+            },
+        }
+    })
+}