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Many WebFinger improvements, can now round trip private messages

This commit is contained in:
Bryan Ashby 2023-01-25 18:41:47 -07:00
parent 82091c11c1
commit 4f632fd8c4
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GPG Key ID: C2C1B501E4EFD994
9 changed files with 116 additions and 74 deletions
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68
core/activitypub/actor.js
View File

@ -11,6 +11,7 @@ const {
selfUrl,
isValidLink,
makeSharedInboxUrl,
userNameFromSubject,
} = require('./util');
const Log = require('../logger').log;
const { queryWebFinger } = require('../webfinger');
@ -24,6 +25,9 @@ const _ = require('lodash');
const mimeTypes = require('mime-types');
const { getJson } = require('../http_util.js');
const { getISOTimestampString } = require('../database.js');
const moment = require('moment');
const ActorCacheTTL = moment.duration(1, 'day');
// https://www.w3.org/TR/activitypub/#actor-objects
module.exports = class Actor extends ActivityPubObject {
@ -138,28 +142,30 @@ module.exports = class Actor extends ActivityPubObject {
return cb(null, new Actor(obj));
}
static fromId(id, forceRefresh, cb) {
if (_.isFunction(forceRefresh) && !cb) {
cb = forceRefresh;
forceRefresh = false;
static fromId(id, cb) {
Actor._fromCache(id, (err, actor, subject) => {
if (!err) {
// cache hit
return cb(null, actor, subject);
}
Actor.fromCache(id, (err, actor) => {
if (err) {
if (forceRefresh) {
return cb(err);
// cache miss: attempt to fetch & populate
Actor._fromWebFinger(id, (err, actor, subject) => {
if (subject) {
subject = `@${userNameFromSubject(subject)}`; // e.g. @Username@host.com
} else {
subject = actor.id; // best we can do for now
}
Actor.fromRemoteQuery(id, (err, actor) => {
// deliver result to caller
cb(err, actor);
cb(err, actor, subject);
// cache our entry
if (actor) {
apDb.run(
`INSERT INTO actor_cache (actor_id, actor_json, timestamp)
VALUES (?, ?, ?);`,
[id, JSON.stringify(actor), getISOTimestampString()],
`REPLACE INTO actor_cache (actor_id, actor_json, subject, timestamp)
VALUES (?, ?, ?, ?);`,
[id, JSON.stringify(actor), subject, getISOTimestampString()],
err => {
if (err) {
// :TODO: log me
@ -168,13 +174,10 @@ module.exports = class Actor extends ActivityPubObject {
);
}
});
} else {
return cb(null, actor);
}
});
}
static fromRemoteQuery(id, cb) {
static _fromRemoteQuery(id, cb) {
const headers = {
Accept: 'application/activity+json',
};
@ -194,13 +197,13 @@ module.exports = class Actor extends ActivityPubObject {
});
}
static fromCache(id, cb) {
static _fromCache(id, cb) {
apDb.get(
`SELECT actor_json
`SELECT actor_json, subject, timestamp
FROM actor_cache
WHERE actor_id = ?
WHERE actor_id = ? OR subject = ?
LIMIT 1;`,
[id],
[id, id],
(err, row) => {
if (err) {
return cb(err);
@ -210,6 +213,11 @@ module.exports = class Actor extends ActivityPubObject {
return cb(Errors.DoesNotExist());
}
const timestamp = moment(row.timestamp);
if (moment().isAfter(timestamp.add(ActorCacheTTL))) {
return cb(Errors.Expired('The cache entry is expired'));
}
const obj = ActivityPubObject.fromJsonString(row.actor_json);
if (!obj || !obj.isValid()) {
return cb(Errors.Invalid('Failed to create ActivityPub object'));
@ -220,20 +228,14 @@ module.exports = class Actor extends ActivityPubObject {
return cb(Errors.Invalid('Failed to create Actor object'));
}
return cb(null, actor);
const subject = row.subject || actor.id;
return cb(null, actor, subject);
}
);
}
static fromAccountName(actorName, cb) {
// :TODO: cache first -- do we have an Actor for this account already with a OK TTL?
// account names can come in multiple forms, so need a cache mapping of that as well
// actor_alias_cache
// actor_alias | actor_id
//
queryWebFinger(actorName, (err, res) => {
static _fromWebFinger(actorQuery, cb) {
queryWebFinger(actorQuery, (err, res) => {
if (err) {
return cb(err);
}
@ -255,7 +257,9 @@ module.exports = class Actor extends ActivityPubObject {
}
// we can now query the href value for an Actor
return Actor.fromId(activityLink.href, cb);
return Actor._fromRemoteQuery(activityLink.href, (err, actor) => {
return cb(err, actor, res.subject);
});
});
}
};

27
core/activitypub/note.js
View File

@ -14,6 +14,7 @@ const async = require('async');
const { isString, isObject } = require('lodash');
const APMessageIdNamespace = '307bc7b3-3735-4573-9a20-e3f9eaac29c5';
const APDefaultSummary = '[ActivityPub]';
module.exports = class Note extends ActivityPubObject {
constructor(obj) {
@ -71,7 +72,7 @@ module.exports = class Note extends ActivityPubObject {
});
},
(fromUser, fromActor, callback) => {
Actor.fromAccountName(remoteActorAccount, (err, remoteActor) => {
Actor.fromId(remoteActorAccount, (err, remoteActor) => {
return callback(err, fromUser, fromActor, remoteActor);
});
},
@ -91,10 +92,14 @@ module.exports = class Note extends ActivityPubObject {
audience: [message.isPrivate() ? 'as:Private' : 'as:Public'],
// :TODO: inReplyto if this is a reply; we need this store in message meta.
summary: message.subject,
content: messageBodyToHtml(message.message.trim()),
};
// Filter out replace replacement
if (message.subject !== APDefaultSummary) {
obj.summary = message.subject;
}
const note = new Note(obj);
return callback(null, { note, fromUser, remoteActor });
},
@ -116,25 +121,23 @@ module.exports = class Note extends ActivityPubObject {
});
// Fetch the remote actor info to get their user info
Actor.fromId(this.attributedTo, false, (err, attributedToActor) => {
Actor.fromId(this.attributedTo, (err, attributedToActor, fromActorSubject) => {
if (err) {
// :TODO: Log me
message.fromUserName = this.attributedTo; // have some sort of value =/
} else {
message.fromUserName =
attributedToActor.preferredUsername || this.attributedTo;
return cb(err);
}
message.fromUserName = fromActorSubject || this.attributedTo;
//
// Note's can be addressed to 1:N users, but a Message is a 1:1
// relationship. This method requires the mapping up front via options
//
(message.toUserName = options.toUser.username),
(message.meta.System[Message.SystemMetaNames.LocalToUserID] =
options.toUser.userId);
message.toUserName = options.toUser.username;
message.meta.System[Message.SystemMetaNames.LocalToUserID] =
options.toUser.userId;
message.areaTag = options.areaTag || Message.WellKnownAreaTags.Private;
message.subject = this.summary || '-ActivityPub-';
message.subject = this.summary || APDefaultSummary;
// :TODO: it would be better to do some basic HTML to ANSI or pipe codes perhaps
message.message = htmlToMessageBody(this.content);

5
core/activitypub/util.js
View File

@ -24,6 +24,7 @@ exports.accountFromSelfUrl = accountFromSelfUrl;
exports.getUserProfileTemplatedBody = getUserProfileTemplatedBody;
exports.messageBodyToHtml = messageBodyToHtml;
exports.htmlToMessageBody = htmlToMessageBody;
exports.userNameFromSubject = userNameFromSubject;
// :TODO: more info in default
// this profile template is the *default* for both WebFinger
@ -181,3 +182,7 @@ function messageBodyToHtml(body) {
function htmlToMessageBody(html) {
return striptags(html);
}
function userNameFromSubject(subject) {
return subject.replace(/^acct:(.+)$/, '$1');
}

3
core/database.js
View File

@ -505,9 +505,10 @@ dbs.message.run(
// Actors we know about and have cached
dbs.activitypub.run(
`CREATE TABLE IF NOT EXISTS actor_cache (
id INTEGER PRIMARY KEY, -- Local DB ID
actor_cache_id INTEGER PRIMARY KEY, -- Local DB ID
actor_id VARCHAR NOT NULL, -- Fully qualified Actor ID/URL
actor_json VARCHAR NOT NULL, -- Actor document
subject VARCHAR, -- Subject obtained from WebFinger, e.g. @Username@some.domain
timestamp DATETIME NOT NULL, -- Timestamp in which this Actor was cached
UNIQUE(actor_id)

1
core/enig_error.js
View File

@ -56,6 +56,7 @@ exports.Errors = {
Timeout: (reason, reasonCode) => new EnigError('Timeout', -32014, reason, reasonCode),
MissingProperty: (reason, reasonCode) =>
new EnigError('Missing property', -32014, reason, reasonCode),
Expired: (reason, reasonCode) => new EnigError('Expired', -32015, reason, reasonCode),
};
exports.ErrorReasons = {

6
core/scanner_tossers/activitypub.js
View File

@ -61,10 +61,10 @@ exports.getModule = class ActivityPubScannerTosser extends MessageScanTossModule
);
// :TODO: Implement retry logic (connection issues, retryable HTTP status) ??
//const inbox = remoteActor.inbox;
const inbox = remoteActor.inbox;
const inbox = remoteActor.endpoints.sharedInbox;
activity.object.to = 'https://www.w3.org/ns/activitystreams#Public';
// const inbox = remoteActor.endpoints.sharedInbox;
// activity.object.to = 'https://www.w3.org/ns/activitystreams#Public';
activity.sendTo(
inbox,

8
core/servers/content/web_handlers/activitypub.js
View File

@ -299,6 +299,7 @@ exports.getModule = class ActivityPubWebHandler extends WebHandlerModule {
async.forEach(
toActors,
(actorId, nextActor) => {
// :TODO: verify this - if *any* audience/actor is public, then this message is public I believe.
if (Collection.PublicCollectionId === actorId) {
// Deliver to inbox for "everyone":
// - Add to 'sharedInbox' collection
@ -318,7 +319,12 @@ exports.getModule = class ActivityPubWebHandler extends WebHandlerModule {
},
err => {
if (err) {
// :TODO: If sqlite constraint, just return OK -- it's a dupe
// if we get a dupe, just tell the remote everything is A-OK
if ('SQLITE_CONSTRAINT' === err.code) {
resp.writeHead(202);
return resp.end('');
}
return this.webServer.internalServerError(resp, err);
}

42
core/webfinger.js
View File

@ -7,23 +7,45 @@ const { getJson } = require('./http_util');
exports.queryWebFinger = queryWebFinger;
function queryWebFinger(account, cb) {
function queryWebFinger(query, cb) {
//
// Accept a variety of formats to query via WebFinger
// 1) @Username@foo.bar -> query with acct:Username resource
// 2) http/https URL -> query with resource = URL
// 3) If not one of the above and a '/' is present in the query,
// assume https:// and try #2
//
// ex: @NuSkooler@toot.community -> https://toot.community/.well-known/webfinger with acct:NuSkooler resource
const addrInfo = getAddressedToInfo(account);
const addrInfo = getAddressedToInfo(query);
let resource;
let host;
if (
addrInfo.flavor !== Message.AddressFlavor.ActivityPub &&
addrInfo.flavor !== Message.AddressFlavor.Email
addrInfo.flavor === Message.AddressFlavor.ActivityPub ||
addrInfo.flavor === Message.AddressFlavor.Email
) {
return cb(Errors.Invalid(`Cannot WebFinger "${account.remote}"; Missing domain`));
host = addrInfo.remote.slice(addrInfo.remote.lastIndexOf('@') + 1);
if (!host) {
return cb(Errors.Invalid(`Unsure how to WebFinger "${query}"`));
}
resource = `acct:${addrInfo.name}@${host}`;
} else {
if (!/^https?:\/\/.+$/.test(query)) {
resource = `https://${query}`;
} else {
resource = query;
}
const domain = addrInfo.remote.slice(addrInfo.remote.lastIndexOf('@') + 1);
if (!domain) {
return cb(Errors.Invalid(`Cannot WebFinger "${account.remote}"; Missing domain`));
try {
const url = new URL(resource);
host = url.host;
} catch (e) {
return cb(Errors.Invalid(`Cannot WebFinger "${query}": ${e.message}`));
}
}
const resource = encodeURIComponent(`acct:${account.slice(1)}`); // we need drop the initial '@' prefix
const webFingerUrl = `https://${domain}/.well-known/webfinger?resource=${resource}`;
resource = encodeURIComponent(resource);
const webFingerUrl = `https://${host}/.well-known/webfinger?resource=${resource}`;
getJson(webFingerUrl, {}, (err, json, res) => {
if (err) {
return cb(err);