Granary links and notifications (fix #6)

README.md

@@ -11,6 +11,7 @@ A powerful engine for [your personal website].
  - lets you use Markdown for post text, with nice [code highlighting](https://github.com/ben-eb/remark-highlight.js) and [math rendering](https://github.com/Rokt33r/remark-math)
  - the included admin panel (micro-panel) itself uses Micropub
- sends [WebSub] \(formerly PubSubHubbub) notifications on new posts (for [readers])
- uses [Granary] to provide content as Atom, ActivityStreams 2.0 and JSON Feed (with WebSub notifications too)
- represents *all the things* as [Microformats2] objects
- uses PostgreSQL with the [mf2sql] schema for storage
- consists of services written in [Haskell] and [Node.js]
@@ -28,6 +29,7 @@ I'm running it on [my website](https://unrelenting.technology).
[Salmentions]: https://indieweb.org/Salmention
[WebSub]: https://indieweb.org/WebSub
[readers]: https://indieweb.org/readers
[Granary]: https://granary-demo.appspot.com

## Usage

@@ -65,7 +67,6 @@ TODO same for frontend
## TODO

- frontend
  - [ ] bring back the atom feed
  - [ ] webhooks (e.g. pushover notifications) on new/updated mentions, config in `site-settings`
- micropub
  - [ ] draft flag → draft tag and private acl

sweetroll-fe/lib/app.js

@@ -9,7 +9,7 @@ const webpush = require('web-push')
const qs = require('qs')
const Retry = require('promised-retry')
const _ = require('lodash')
const { head, merge, concat, get, isObject, groupBy, includes, isString, debounce, some } = _
const { head, merge, concat, get, isObject, groupBy, includes, isString, debounce, some, flatMap } = _
const pify = require('pify')
const pug = require('pug')
const pugTryCatch = require('pug-plugin-try-catch')
@@ -27,6 +27,7 @@ const cacheTemplates = env.CACHE_TEMPLATES // Do not recompile templates on ever
const cache = env.DO_CACHE ? require('lru-cache')({
	max: parseInt(env.CACHE_MAX_ITEMS || '128')
}) : null
const granaryUrl = env.GRANARY_URL || 'https://granary-demo.appspot.com/url'
const websubHub = env.WEBSUB_HUB || 'https://switchboard.p3k.io'
const websubHubMode = env.WEBSUB_HUB_MODE || 'multi' // Whether to do one request for all URLs affected by a change or one request per URL
const indieAuthEndpoint = env.INDIEAUTH_ENDPOINT || 'https://indieauth.com/auth'
@@ -52,6 +53,12 @@ const pugRender = pify(pug.renderFile)
const render = async (file, tplctx) =>
	pugRender('views/' + file, tplctx)

const granaries = [
	{ base: `${granaryUrl}?input=html&output=as2&hub=${encodeURIComponent(websubHub)}`, type: 'application/activity+json' },
	{ base: `${granaryUrl}?input=html&output=atom&hub=${encodeURIComponent(websubHub)}`, type: 'application/atom+xml' },
	{ base: `${granaryUrl}?input=html&output=jsonfeed&hub=${encodeURIComponent(websubHub)}`, type: 'application/json' },
]

const affectedUrls = async (url) => {
	const norm = new URI(url).normalizePort().normalizeHostname()
	const objUriStr = norm.clone().toString()
@@ -152,9 +159,13 @@ const onEntryChange = async (eventUrl) => {
	}
	if (websubHubMode === 'multi') {
		pushWebSub(affUrls)
		pushWebSub(flatMap(affUrls, url => flatMap(granaries, ({base}) => `${base}&url=${encodeURIComponent(url)}`)))
	} else {
		for (const url of affUrls) {
			pushWebSub(url)
			for (const { base } of granaries) {
				pushWebSub(`${base}&url=${encodeURIComponent(url)}`)
			}
		}
	}

@@ -380,6 +391,7 @@ const addCommonContext = async (ctx, next) => {
		indieAuthEndpoint,
		microPanelRoot,
		vapidKeys,
		granaries,
		// Pug settings
		basedir,
		pretty: true,

sweetroll-fe/views/_layout.pug

@@ -21,6 +21,8 @@ html(lang=_.get(siteSettings, 'site-lang', 'en'))
			if domainUri
				link(rel="openid.delegate" href=domainUri.toString())
			link(rel="openid.server" href="https://openid.indieauth.com/openid")
			each fmtlink in granaries
				link(rel="alternate" type=fmtlink.type href=`${fmtlink.base}&url=${encodeURIComponent(reqUri.toString())}`)
			if authedAsAdmin
				link(rel='import' href=(microPanelRoot === '/dist/micro-panel' ? assets.url('dist/micro-panel/src/micro-panel.html') : microPanelRoot + '/src/micro-panel.html'))
				link(rel='manifest' href=(microPanelRoot === '/dist/micro-panel' ? assets.url('dist/micro-panel/manifest.json') : microPanelRoot + '/manifest.json'))

sweetroll-site.nginx.conf

@@ -22,6 +22,8 @@ proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
#proxy_set_header X-Forwarded-Proto 'https';

rewrite ^/.well-known/(host-meta|webfinger).* https://fed.brid.gy$request_uri redirect;

location ~ /(webmention|micropub|login) {
	limit_req zone=be burst=20 nodelay;
	add_header Content-Security-Policy "default-src 'none'; frame-ancestors 'none'";