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Merge pull request #2210 from mei23/mei-0814-ap3 

ActivityPub Followers/Following/Outbox の実装
This commit is contained in:
syuilo 2018-08-15 02:04:08 +09:00 committed by GitHub
parent 22b099fa8a 0986301788
commit fada899b30
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 321 additions and 70 deletions
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16
src/remote/activitypub/renderer/follow-user.ts Normal file
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@ -0,0 +1,16 @@
import config from '../../../config';
import * as mongo from 'mongodb';
import User, { isLocalUser } from '../../../models/user';
/**
* Convert (local|remote)(Follower|Followee)ID to URL
* @param id Follower|Followee ID
*/
export default async function renderFollowUser(id: mongo.ObjectID): Promise<any> {
const user = await User.findOne({
_id: id
});
return isLocalUser(user) ? `${config.url}/users/${user._id}` : user.uri;
}

23
src/remote/activitypub/renderer/ordered-collection-page.ts Normal file
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@ -0,0 +1,23 @@
/**
* Render OrderedCollectionPage
* @param id URL of self
* @param totalItems Number of total items
* @param orderedItems Items
* @param partOf URL of base
* @param prev URL of prev page (optional)
* @param next URL of next page (optional)
*/
export default function(id: string, totalItems: any, orderedItems: any, partOf: string, prev: string, next: string) {
const page = {
id,
partOf,
type: 'OrderedCollectionPage',
totalItems,
orderedItems
} as any;
if (prev) page.prev = prev;
if (next) page.next = next;
return page;
}

25
src/remote/activitypub/renderer/ordered-collection.ts
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@ -1,6 +1,19 @@
export default (id: string, totalItems: any, orderedItems: any) => ({
id,
type: 'OrderedCollection',
totalItems,
orderedItems
});
/**
* Render OrderedCollection
* @param id URL of self
* @param totalItems Total number of items
* @param first URL of first page (optional)
* @param last URL of last page (optional)
*/
export default function(id: string, totalItems: any, first: string, last: string) {
const page: any = {
id,
type: 'OrderedCollection',
totalItems,
};
if (first) page.first = first;
if (last) page.last = last;
return page;
}

71
src/server/activitypub.ts
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@ -10,8 +10,9 @@ import User, { isLocalUser, ILocalUser, IUser } from '../models/user';
import renderNote from '../remote/activitypub/renderer/note';
import renderKey from '../remote/activitypub/renderer/key';
import renderPerson from '../remote/activitypub/renderer/person';
import renderOrderedCollection from '../remote/activitypub/renderer/ordered-collection';
import config from '../config';
import Outbox from './activitypub/outbox';
import Followers from './activitypub/followers';
import Following from './activitypub/following';
// Init router
const router = new Router();
@ -64,72 +65,14 @@ router.get('/notes/:note', async (ctx, next) => {
ctx.body = pack(await renderNote(note));
});
// outbot
router.get('/users/:user/outbox', async ctx => {
const userId = new mongo.ObjectID(ctx.params.user);
const user = await User.findOne({
_id: userId,
host: null
});
if (user === null) {
ctx.status = 404;
return;
}
const notes = await Note.find({ userId: user._id }, {
limit: 10,
sort: { _id: -1 }
});
const renderedNotes = await Promise.all(notes.map(note => renderNote(note)));
const rendered = renderOrderedCollection(`${config.url}/users/${userId}/inbox`, user.notesCount, renderedNotes);
ctx.body = pack(rendered);
});
// outbox
router.get('/users/:user/outbox', Outbox);
// followers
router.get('/users/:user/followers', async ctx => {
const userId = new mongo.ObjectID(ctx.params.user);
const user = await User.findOne({
_id: userId,
host: null
});
if (user === null) {
ctx.status = 404;
return;
}
// TODO: Implement fetch and render
const rendered = renderOrderedCollection(`${config.url}/users/${userId}/followers`, 0, []);
ctx.body = pack(rendered);
});
router.get('/users/:user/followers', Followers);
// following
router.get('/users/:user/following', async ctx => {
const userId = new mongo.ObjectID(ctx.params.user);
const user = await User.findOne({
_id: userId,
host: null
});
if (user === null) {
ctx.status = 404;
return;
}
// TODO: Implement fetch and render
const rendered = renderOrderedCollection(`${config.url}/users/${userId}/following`, 0, []);
ctx.body = pack(rendered);
});
router.get('/users/:user/following', Following);
// publickey
router.get('/users/:user/publickey', async ctx => {

80
src/server/activitypub/followers.ts Normal file
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@ -0,0 +1,80 @@
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 Following from '../../models/following';
import pack from '../../remote/activitypub/renderer';
import renderOrderedCollection from '../../remote/activitypub/renderer/ordered-collection';
import renderOrderedCollectionPage from '../../remote/activitypub/renderer/ordered-collection-page';
import renderFollowUser from '../../remote/activitypub/renderer/follow-user';
export default async (ctx: Koa.Context) => {
const userId = new mongo.ObjectID(ctx.params.user);
// Get 'cursor' parameter
const [cursor = null, cursorErr] = $.type(ID).optional.get(ctx.request.query.cursor);
// Get 'page' parameter
const pageErr = !$.str.optional.or(['true', 'false']).ok(ctx.request.query.page);
const page: boolean = ctx.request.query.page === 'true';
// Validate parameters
if (cursorErr || pageErr) {
ctx.status = 400;
return;
}
// Verify user
const user = await User.findOne({
_id: userId,
host: null
});
if (user === null) {
ctx.status = 404;
return;
}
const limit = 10;
const partOf = `${config.url}/users/${userId}/followers`;
if (page) {
// Construct query
const query = {
followeeId: user._id
} as any;
// カーソルが指定されている場合
if (cursor) {
query._id = {
$lt: cursor
};
}
// Get followers
const followings = await Following
.find(query, {
limit: limit + 1,
sort: { _id: -1 }
});
// 「次のページ」があるかどうか
const inStock = followings.length === limit + 1;
if (inStock) followings.pop();
const renderedFollowers = await Promise.all(followings.map(following => renderFollowUser(following.followerId)));
const rendered = renderOrderedCollectionPage(
`${partOf}?page=true${cursor ? `&cursor=${cursor}` : ''}`,
user.followersCount, renderedFollowers, partOf,
null,
inStock ? `${partOf}?page=true&cursor=${followings[followings.length - 1]._id}` : null
);
ctx.body = pack(rendered);
} else {
// index page
const rendered = renderOrderedCollection(partOf, user.followersCount, `${partOf}?page=true`, null);
ctx.body = pack(rendered);
}
};

80
src/server/activitypub/following.ts Normal file
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@ -0,0 +1,80 @@
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 Following from '../../models/following';
import pack from '../../remote/activitypub/renderer';
import renderOrderedCollection from '../../remote/activitypub/renderer/ordered-collection';
import renderOrderedCollectionPage from '../../remote/activitypub/renderer/ordered-collection-page';
import renderFollowUser from '../../remote/activitypub/renderer/follow-user';
export default async (ctx: Koa.Context) => {
const userId = new mongo.ObjectID(ctx.params.user);
// Get 'cursor' parameter
const [cursor = null, cursorErr] = $.type(ID).optional.get(ctx.request.query.cursor);
// Get 'page' parameter
const pageErr = !$.str.optional.or(['true', 'false']).ok(ctx.request.query.page);
const page: boolean = ctx.request.query.page === 'true';
// Validate parameters
if (cursorErr || pageErr) {
ctx.status = 400;
return;
}
// Verify user
const user = await User.findOne({
_id: userId,
host: null
});
if (user === null) {
ctx.status = 404;
return;
}
const limit = 10;
const partOf = `${config.url}/users/${userId}/following`;
if (page) {
// Construct query
const query = {
followerId: user._id
} as any;
// カーソルが指定されている場合
if (cursor) {
query._id = {
$lt: cursor
};
}
// Get followings
const followings = await Following
.find(query, {
limit: limit + 1,
sort: { _id: -1 }
});
// 「次のページ」があるかどうか
const inStock = followings.length === limit + 1;
if (inStock) followings.pop();
const renderedFollowees = await Promise.all(followings.map(following => renderFollowUser(following.followeeId)));
const rendered = renderOrderedCollectionPage(
`${partOf}?page=true${cursor ? `&cursor=${cursor}` : ''}`,
user.followingCount, renderedFollowees, partOf,
null,
inStock ? `${partOf}?page=true&cursor=${followings[followings.length - 1]._id}` : null
);
ctx.body = pack(rendered);
} else {
// index page
const rendered = renderOrderedCollection(partOf, user.followingCount, `${partOf}?page=true`, null);
ctx.body = pack(rendered);
}
};

96
src/server/activitypub/outbox.ts Normal file
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@ -0,0 +1,96 @@
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,
$or: [ { visibility: 'public' }, { visibility: 'home' } ],
text: { $ne: null } // exclude renote, but include quote
} as any;
if (sinceId) {
sort._id = 1;
query._id = {
$gt: sinceId
};
} else if (untilId) {
query._id = {
$lt: untilId
};
}
//#endregion
// Issue query
const notes = await Note
.find(query, {
limit: limit,
sort: sort
});
if (sinceId) notes.reverse();
const renderedNotes = await Promise.all(notes.map(note => renderNote(note)));
const rendered = renderOrderedCollectionPage(
`${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);
}
};