add actor HTML page with ostatus remote follow workflow. Fix #2

.gitignore

@@ -3,3 +3,5 @@ node_modules/
 config.json
 certs/
 .vscode
+dump/
+logs/

index.js

@@ -5,13 +5,21 @@ const fs = require('fs')
 const bodyParser = require('body-parser')
 const cors = require('cors')
 const https = require('https')
+const nunjucks = require('nunjucks')
 
 const routes = require('./routes')
 const pub = require('./pub')
 const store = require('./store')
+const net = require('./net')
 const { DOMAIN, KEY_PATH, CERT_PATH, CA_PATH, PORT, PORT_HTTPS, DB_URL, DB_NAME } = require('./config.json')
 
 const app = express()
+nunjucks.configure('templates', {
+  autoescape: true,
+  express: app,
+  watch: app.get('env') === 'development'
+})
+
 const client = new MongoClient(DB_URL, { useUnifiedTopology: true, useNewUrlParser: true })
 
 const sslOptions = {
@@ -24,10 +32,7 @@ app.set('domain', DOMAIN)
 app.set('port', process.env.PORT || PORT)
 app.set('port-https', process.env.PORT_HTTPS || PORT_HTTPS)
 app.use(bodyParser.json({
-  type: [
-    'application/activity+json',
-    'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
-  ]
+  type: pub.consts.jsonldTypes
 })) // support json encoded bodies
 app.use(bodyParser.urlencoded({ extended: true })) // support encoded bodies
 
@@ -36,18 +41,17 @@ app.param('name', function (req, res, next, id) {
   next()
 })
 
-// admin page
-app.use('/.well-known/webfinger', cors(), routes.webfinger)
-app.use('/u', cors(), routes.user)
-app.use('/o', cors(), routes.object)
+// json only routes
+app.use('/.well-known/webfinger', net.validators.jsonld, cors(), routes.webfinger)
+app.use('/o', net.validators.jsonld, cors(), routes.object)
+app.use('/s', net.validators.jsonld, cors(), routes.stream)
+app.use('/u/:name/inbox', net.validators.jsonld, routes.inbox)
+app.use('/u/:name/outbox', net.validators.jsonld, routes.outbox)
 
-// admin page
-app.use('/.well-known/webfinger', cors(), routes.webfinger)
+// dual use routes
 app.use('/u', cors(), routes.user)
-app.use('/o', cors(), routes.object)
-app.use('/s', cors(), routes.stream)
-app.use('/u/:name/inbox', routes.inbox)
-app.use('/u/:name/outbox', routes.outbox)
+
+// html/static routes
 app.use('/', express.static('public/www'))
 app.use('/f', express.static('public/files'))
 

net/validators.js

@@ -1,13 +1,29 @@
 const pub = require('../pub')
 
-module.exports.activity = function activity (req, res, next) {
+module.exports = {
+  activity,
+  jsonld,
+  outboxActivity
+}
+
+function activity (req, res, next) {
   if (!pub.utils.validateActivity(req.body)) {
     return res.status(400).send('Invalid activity')
   }
   next()
 }
 
-module.exports.outboxActivity = function outboxActivity (req, res, next) {
+function jsonld (req, res, next) {
+  if (req.method === 'GET' && pub.consts.jsonldTypes.includes(req.get('Accept'))) {
+    return next()
+  }
+  if (req.method === 'POST' && pub.consts.jsonldTypes.includes(req.get('Content-Type'))) {
+    return next()
+  }
+  next('route')
+}
+
+function outboxActivity (req, res, next) {
   if (!pub.utils.validateActivity(req.body)) {
     if (!pub.utils.validateObject(req.body)) {
       return res.status(400).send('Invalid activity')

package.json

@@ -10,6 +10,7 @@
     "express-basic-auth": "^1.1.5",
     "http-signature": "github:wmurphyrd/node-http-signature#9c02eeb",
     "mongodb": "^3.3.2",
+    "nunjucks": "^3.2.0",
     "request": "^2.88.0",
     "request-promise-native": "^1.0.7"
   },
@@ -17,6 +18,7 @@
     "node": ">=10.10.0"
   },
   "devDependencies": {
+    "chokidar": "^3.1.1",
     "standard": "^14.3.1",
     "standardjs": "^1.0.0-alpha"
   },

pub/consts.js

@@ -1,3 +1,8 @@
 module.exports = {
-  ASContext: 'https://www.w3.org/ns/activitystreams'
+  ASContext: 'https://www.w3.org/ns/activitystreams',
+  jsonldTypes: [
+    'application/activity+json',
+    'application/ld+json; profile="https://www.w3.org/ns/activitystreams"',
+    'application/json'
+  ]
 }

routes/user.js

@@ -2,21 +2,40 @@
 const express = require('express')
 const router = express.Router()
 const pub = require('../pub')
+const net = require('../net')
 
-router.get('/:name', async function (req, res) {
+router.get('/:name', net.validators.jsonld, function (req, res) {
   const name = req.params.name
   if (!name) {
     return res.status(400).send('Bad request.')
-  } else {
-    const user = await pub.actor.getOrCreateActor(name)
-    if (user) {
-      return res.json(pub.utils.toJSONLD(user))
   }
-    return res.status(404).send('Person not found')
+  pub.actor.getOrCreateActor(name)
+    .then(group => {
+      return res.json(pub.utils.toJSONLD(group))
+    })
+    .catch(err => {
+      console.log(err)
+      res.status(500).send(`Error creating group ${name}`)
+    })
+})
+// HTML version
+router.get('/:name', function (req, res) {
+  const name = req.params.name
+  if (!name) {
+    return res.status(400).send('Bad request.')
   }
+  pub.actor.getOrCreateActor(name)
+    .then(group => {
+      const groupAcct = `${group.preferredUsername}@${req.app.get('domain')}`
+      return res.render('group.html', { group, groupAcct })
+    })
+    .catch(err => {
+      console.log(err)
+      res.status(500).send(`Error creating group ${name}`)
+    })
 })
 
-router.get('/:name/followers', function (req, res) {
+router.get('/:name/followers', net.validators.jsonld, function (req, res) {
   const name = req.params.name
   if (!name) {
     return res.status(400).send('Bad request.')

templates/group.html

@@ -0,0 +1,96 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<title>{{ group.preferredUsername }} group</title>
+<meta charset="UTF-8">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Lato">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
+<style>
+body {font-family: "Lato", sans-serif}
+.mySlides {display: none}
+</style>
+<script>
+    function doFollow (evt) {
+      let user, acct, username, domain
+      evt.preventDefault();
+      document.getElementById('username-error').classList.add('w3-hide')
+      document.getElementById('finger-error').classList.add('w3-hide')
+      try {
+        user = document.getElementById('handle').value
+        ;[acct, username, domain] = /@?([^@]+)@(.+)/.exec(user)
+      } catch (ignore) {
+        document.getElementById('username-error').classList.remove('w3-hide')
+        return
+      }
+      window.fetch(`https://${domain}/.well-known/webfinger?resource=acct:${acct}`, {
+        method: 'get',
+        mode: 'cors'
+      })
+        .then(res => res.json())
+        .then(json => {
+          const link = json.links.find(l => l.rel === 'http://ostatus.org/schema/1.0/subscribe')
+          window.location.href = link.template.replace('{uri}', '{{ groupAcct }}')
+        })
+        .catch(err => {
+          console.log(err);
+          document.getElementById('finger-error').classList.remove('w3-hide')
+        })
+    }
+</script>
+</head>
+<body>
+
+<!-- Navbar -->
+<div class="w3-top">
+    <div class="w3-bar w3-black w3-card">&nbsp;
+    </div>
+  </div>
+  
+  <!-- Navbar on small screens (remove the onclick attribute if you want the navbar to always show on top of the content when clicking on the links) -->
+  <div id="navDemo" class="w3-bar-block w3-black w3-hide w3-hide-large w3-hide-medium w3-top" style="margin-top:46px">
+      &nbsp;
+  </div>
+<!-- Page content -->
+<div class="w3-content" style="max-width:2000px;margin-top:46px">
+
+
+  <div class="w3-container w3-content w3-center w3-padding-64" style="max-width:800px" id="band">
+    <h2 class="w3-wide">{{ group.preferredUsername }}</h2>
+    <p class="w3-opacity"><i>{{ group.summary }}</i></p>
+    <p class="w3-left-align">To join {{ group.preferredUsername }}, enter your handle below and you'll be
+      redirected back to this group's profile in your app where you can follow it.</p>
+    <form class="w3-container">
+      <label>Your account</label>
+      <input id="handle" class="w3-input w3-center" placeholder="user@example.com" type="text">
+      <button class="w3-btn w3-cyan w3-block w3-margin-top" onclick="doFollow(event)">Procced to follow</button>
+    </form> 
+    <div id="username-error" class="w3-hide w3-panel w3-pale-red w3-display-container w3-border">
+        <span onclick="this.parentElement.classList.add('w3-hide')" class="w3-button w3-large w3-display-topright">×</span>
+        <h3>Double check that username</h3>
+        <p>e.g. you@yourhost.com</p>
+    </div>
+    <div id="finger-error" class="w3-hide w3-panel w3-pale-red w3-display-container w3-border">
+        <span onclick="this.parentElement.classList.add('w3-hide')" class="w3-button w3-large w3-display-topright">×</span>
+        <h3>Oops</h3>
+        <p>Couldn't connect with your host.</p>
+    </div>
+  </div>
+
+  <!-- The Tour Section -->
+  <!-- <div class="w3-black" id="tour">
+    <div class="w3-container w3-content w3-padding-64" style="max-width:800px">
+      <h2 class="w3-wide w3-center">Recent group posts</h2>
+  </div> -->
+
+<!-- End Page Content -->
+</div>
+
+<!-- Footer -->
+<footer class="w3-container w3-padding-64 w3-center w3-opacity w3-light-grey w3-xlarge">
+  <a href="https://github.com/wmurphyrd/guppe"><i class="fa fa-github w3-hover-opacity"></i></a>
+</footer>
+
+</body>
+</html>