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place the create-on-lookup on all relevant routes, mostly to work with Mastodon instances that have a Guppe actor from the old version cached

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Will Murphy 2021-11-04 22:58:55 -05:00
parent 95fddfb98e
commit f46de1ba0a
1 changed files with 23 additions and 34 deletions
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57
index.js
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@ -54,48 +54,37 @@ const apex = ActivitypubExpress({
app.use(morgan(':remote-addr - :remote-user [:date[clf]] ":method :url HTTP/:http-version" :status Accepts ":req[accept]" ":referrer" ":user-agent"'))
app.use(express.json({ type: apex.consts.jsonldTypes }), apex)
// Guppe's magic: create new groups on demand whenever someone tries to access it
async function getOrCreateActor (req, res, next) {
const apex = req.app.locals.apex
const actor = req.params[apex.actorParam]
const actorIRI = apex.utils.usernameToIRI(actor)
let actorObj
try {
actorObj = await apex.store.getObject(actorIRI)
} catch (err) { return next(err) }
if (!actorObj && actor.length <= 100) {
try {
const summary = `I'm a group about ${actor}. Follow me to get all the group posts. Tag me to share with the group. Create other groups by searching for or tagging @yourGroupName@${DOMAIN}`
actorObj = await apex.createActor(actor, `${actor} group`, summary, icon, 'Group')
await apex.store.saveObject(actorObj)
} catch (err) { return next(err) }
res.locals.apex.target = actorObj
} else if (actor.length > 100) {
res.locals.apex.status = 400
res.locals.apex.statusMessage = 'Group names are limited to 100 characters'
} else if (actorObj.type === 'Tombstone') {
res.locals.apex.status = 410
} else {
res.locals.apex.target = actorObj
// Create new groups on demand whenever someone tries to access one
async function actorOnDemand (req, res, next) {
const actor = req.params.actor
if (!actor) {
return next()
}
const actorIRI = apex.utils.usernameToIRI(actor)
try {
if (!(await apex.store.getObject(actorIRI)) && actor.length <= 255) {
console.log(`Creating group: ${actor}`)
const summary = `I'm a group about ${actor}. Follow me to get all the group posts. Tag me to share with the group. Create other groups by searching for or tagging @yourGroupName@${DOMAIN}`
const actorObj = await apex.createActor(actor, `${actor} group`, summary, icon, 'Group')
await apex.store.saveObject(actorObj)
}
} catch (err) { return next(err) }
next()
}
// define routes using prepacakged middleware collections
app.route(routes.inbox)
.post(apex.net.inbox.post)
// no C2S at present
// .get(apex.net.inbox.get)
.post(actorOnDemand, apex.net.inbox.post)
.get(actorOnDemand, apex.net.inbox.get)
app.route(routes.outbox)
.get(apex.net.outbox.get)
.get(actorOnDemand, apex.net.outbox.get)
// no C2S at present
// .post(apex.net.outbox.post)
// replace apex's target actor validator with our create on demand method
app.get(routes.actor, apex.net.validators.jsonld, getOrCreateActor, apex.net.responders.target)
app.get(routes.followers, apex.net.followers.get)
app.get(routes.following, apex.net.following.get)
app.get(routes.liked, apex.net.liked.get)
app.get(routes.actor, actorOnDemand, apex.net.actor.get)
app.get(routes.followers, actorOnDemand, apex.net.followers.get)
app.get(routes.following, actorOnDemand, apex.net.following.get)
app.get(routes.liked, actorOnDemand, apex.net.liked.get)
app.get(routes.object, apex.net.object.get)
app.get(routes.activity, apex.net.activityStream.get)
app.get(routes.shares, apex.net.shares.get)
@ -104,8 +93,8 @@ app.get(routes.likes, apex.net.likes.get)
app.get(
'/.well-known/webfinger',
apex.net.wellKnown.parseWebfinger,
// replace apex's target actor validator with our create on demand method
getOrCreateActor,
actorOnDemand,
apex.net.validators.targetActor,
apex.net.wellKnown.respondWebfinger
)