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1 | import * as express from 'express' | |
2 | import { body, param } from 'express-validator/check' | |
3 | import { isTestInstance } from '../../helpers/core-utils' | |
4 | import { isEachUniqueHostValid, isHostValid } from '../../helpers/custom-validators/servers' | |
5 | import { logger } from '../../helpers/logger' | |
6 | import { getServerActor } from '../../helpers/utils' | |
7 | import { SERVER_ACTOR_NAME, WEBSERVER } from '../../initializers/constants' | |
8 | import { ActorFollowModel } from '../../models/activitypub/actor-follow' | |
9 | import { areValidationErrors } from './utils' | |
10 | import { ActorModel } from '../../models/activitypub/actor' | |
11 | import { loadActorUrlOrGetFromWebfinger } from '../../helpers/webfinger' | |
12 | import { isValidActorHandle } from '../../helpers/custom-validators/activitypub/actor' | |
13 | ||
14 | const followValidator = [ | |
15 | body('hosts').custom(isEachUniqueHostValid).withMessage('Should have an array of unique hosts'), | |
16 | ||
17 | (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
18 | // Force https if the administrator wants to make friends | |
19 | if (isTestInstance() === false && WEBSERVER.SCHEME === 'http') { | |
20 | return res.status(500) | |
21 | .json({ | |
22 | error: 'Cannot follow on a non HTTPS web server.' | |
23 | }) | |
24 | .end() | |
25 | } | |
26 | ||
27 | logger.debug('Checking follow parameters', { parameters: req.body }) | |
28 | ||
29 | if (areValidationErrors(req, res)) return | |
30 | ||
31 | return next() | |
32 | } | |
33 | ] | |
34 | ||
35 | const removeFollowingValidator = [ | |
36 | param('host').custom(isHostValid).withMessage('Should have a valid host'), | |
37 | ||
38 | async (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
39 | logger.debug('Checking unfollowing parameters', { parameters: req.params }) | |
40 | ||
41 | if (areValidationErrors(req, res)) return | |
42 | ||
43 | const serverActor = await getServerActor() | |
44 | const follow = await ActorFollowModel.loadByActorAndTargetNameAndHostForAPI(serverActor.id, SERVER_ACTOR_NAME, req.params.host) | |
45 | ||
46 | if (!follow) { | |
47 | return res | |
48 | .status(404) | |
49 | .json({ | |
50 | error: `Following ${req.params.host} not found.` | |
51 | }) | |
52 | .end() | |
53 | } | |
54 | ||
55 | res.locals.follow = follow | |
56 | return next() | |
57 | } | |
58 | ] | |
59 | ||
60 | const getFollowerValidator = [ | |
61 | param('nameWithHost').custom(isValidActorHandle).withMessage('Should have a valid nameWithHost'), | |
62 | ||
63 | async (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
64 | logger.debug('Checking get follower parameters', { parameters: req.params }) | |
65 | ||
66 | if (areValidationErrors(req, res)) return | |
67 | ||
68 | let follow: ActorFollowModel | |
69 | try { | |
70 | const actorUrl = await loadActorUrlOrGetFromWebfinger(req.params.nameWithHost) | |
71 | const actor = await ActorModel.loadByUrl(actorUrl) | |
72 | ||
73 | const serverActor = await getServerActor() | |
74 | follow = await ActorFollowModel.loadByActorAndTarget(actor.id, serverActor.id) | |
75 | } catch (err) { | |
76 | logger.warn('Cannot get actor from handle.', { handle: req.params.nameWithHost, err }) | |
77 | } | |
78 | ||
79 | if (!follow) { | |
80 | return res | |
81 | .status(404) | |
82 | .json({ | |
83 | error: `Follower ${req.params.nameWithHost} not found.` | |
84 | }) | |
85 | .end() | |
86 | } | |
87 | ||
88 | res.locals.follow = follow | |
89 | return next() | |
90 | } | |
91 | ] | |
92 | ||
93 | const acceptOrRejectFollowerValidator = [ | |
94 | (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
95 | logger.debug('Checking accept/reject follower parameters', { parameters: req.params }) | |
96 | ||
97 | const follow = res.locals.follow | |
98 | if (follow.state !== 'pending') { | |
99 | return res.status(400).json({ error: 'Follow is not in pending state.' }).end() | |
100 | } | |
101 | ||
102 | return next() | |
103 | } | |
104 | ] | |
105 | ||
106 | // --------------------------------------------------------------------------- | |
107 | ||
108 | export { | |
109 | followValidator, | |
110 | removeFollowingValidator, | |
111 | getFollowerValidator, | |
112 | acceptOrRejectFollowerValidator | |
113 | } |