Sharkey/src/server/activitypub/outbox.ts

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import * as mongo from 'mongodb';
import * as Koa from 'koa';
import config from '../../config';
import $ from 'cafy'; import ID from '../../misc/cafy-id';
import User from '../../models/user';
import pack from '../../remote/activitypub/renderer';
import renderOrderedCollection from '../../remote/activitypub/renderer/ordered-collection';
import renderOrderedCollectionPage from '../../remote/activitypub/renderer/ordered-collection-page';
import Note from '../../models/note';
import renderNote from '../../remote/activitypub/renderer/note';
export default async (ctx: Koa.Context) => {
const userId = new mongo.ObjectID(ctx.params.user);
// Get 'sinceId' parameter
const [sinceId, sinceIdErr] = $.type(ID).optional.get(ctx.request.query.since_id);
// Get 'untilId' parameter
const [untilId, untilIdErr] = $.type(ID).optional.get(ctx.request.query.until_id);
// Get 'page' parameter
const pageErr = !$.str.optional.or(['true', 'false']).ok(ctx.request.query.page);
const page: boolean = ctx.request.query.page === 'true';
// Validate parameters
if (sinceIdErr || untilIdErr || pageErr || [sinceId, untilId].filter(x => x != null).length > 1) {
ctx.status = 400;
return;
}
// Verify user
const user = await User.findOne({
_id: userId,
host: null
});
if (user === null) {
ctx.status = 404;
return;
}
const limit = 20;
const partOf = `${config.url}/users/${userId}/outbox`;
if (page) {
//#region Construct query
const sort = {
_id: -1
};
const query = {
userId: user._id,
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$and: [{
$or: [ { visibility: 'public' }, { visibility: 'home' } ]
}, { // exclude renote, but include quote
$or: [{
text: { $ne: null }
}, {
mediaIds: { $ne: [] }
}]
}]
} as any;
if (sinceId) {
sort._id = 1;
query._id = {
$gt: sinceId
};
} else if (untilId) {
query._id = {
$lt: untilId
};
}
//#endregion
// Issue query
const notes = await Note
.find(query, {
limit: limit,
sort: sort
});
if (sinceId) notes.reverse();
const renderedNotes = await Promise.all(notes.map(note => renderNote(note, false)));
const rendered = renderOrderedCollectionPage(
`${partOf}?page=true${sinceId ? `&since_id=${sinceId}` : ''}${untilId ? `&until_id=${untilId}` : ''}`,
user.notesCount, renderedNotes, partOf,
notes.length > 0 ? `${partOf}?page=true&since_id=${notes[0]._id}` : null,
notes.length > 0 ? `${partOf}?page=true&until_id=${notes[notes.length - 1]._id}` : null
);
ctx.body = pack(rendered);
} else {
// index page
const rendered = renderOrderedCollection(partOf, user.notesCount,
`${partOf}?page=true`,
`${partOf}?page=true&since_id=000000000000000000000000`
);
ctx.body = pack(rendered);
}
};