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1 | import express from 'express' | |
2 | import { body, param, query } from 'express-validator' | |
3 | import { isProdInstance } from '@server/helpers/core-utils' | |
4 | import { isEachUniqueHandleValid, isFollowStateValid, isRemoteHandleValid } from '@server/helpers/custom-validators/follows' | |
5 | import { loadActorUrlOrGetFromWebfinger } from '@server/lib/activitypub/actors' | |
6 | import { getRemoteNameAndHost } from '@server/lib/activitypub/follow' | |
7 | import { getServerActor } from '@server/models/application/application' | |
8 | import { MActorFollowActorsDefault } from '@server/types/models' | |
9 | import { ServerFollowCreate } from '@shared/models' | |
10 | import { HttpStatusCode } from '../../../shared/models/http/http-error-codes' | |
11 | import { isActorTypeValid, isValidActorHandle } from '../../helpers/custom-validators/activitypub/actor' | |
12 | import { isEachUniqueHostValid, isHostValid } from '../../helpers/custom-validators/servers' | |
13 | import { logger } from '../../helpers/logger' | |
14 | import { WEBSERVER } from '../../initializers/constants' | |
15 | import { ActorModel } from '../../models/actor/actor' | |
16 | import { ActorFollowModel } from '../../models/actor/actor-follow' | |
17 | import { areValidationErrors } from './shared' | |
18 | ||
19 | const listFollowsValidator = [ | |
20 | query('state') | |
21 | .optional() | |
22 | .custom(isFollowStateValid), | |
23 | query('actorType') | |
24 | .optional() | |
25 | .custom(isActorTypeValid), | |
26 | ||
27 | (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
28 | if (areValidationErrors(req, res)) return | |
29 | ||
30 | return next() | |
31 | } | |
32 | ] | |
33 | ||
34 | const followValidator = [ | |
35 | body('hosts') | |
36 | .toArray() | |
37 | .custom(isEachUniqueHostValid).withMessage('Should have an array of unique hosts'), | |
38 | ||
39 | body('handles') | |
40 | .toArray() | |
41 | .custom(isEachUniqueHandleValid).withMessage('Should have an array of handles'), | |
42 | ||
43 | (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
44 | // Force https if the administrator wants to follow remote actors | |
45 | if (isProdInstance() && WEBSERVER.SCHEME === 'http') { | |
46 | return res | |
47 | .status(HttpStatusCode.INTERNAL_SERVER_ERROR_500) | |
48 | .json({ | |
49 | error: 'Cannot follow on a non HTTPS web server.' | |
50 | }) | |
51 | } | |
52 | ||
53 | logger.debug('Checking follow parameters', { parameters: req.body }) | |
54 | ||
55 | if (areValidationErrors(req, res)) return | |
56 | ||
57 | const body: ServerFollowCreate = req.body | |
58 | if (body.hosts.length === 0 && body.handles.length === 0) { | |
59 | ||
60 | return res | |
61 | .status(HttpStatusCode.BAD_REQUEST_400) | |
62 | .json({ | |
63 | error: 'You must provide at least one handle or one host.' | |
64 | }) | |
65 | } | |
66 | ||
67 | return next() | |
68 | } | |
69 | ] | |
70 | ||
71 | const removeFollowingValidator = [ | |
72 | param('hostOrHandle') | |
73 | .custom(value => isHostValid(value) || isRemoteHandleValid(value)), | |
74 | ||
75 | async (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
76 | logger.debug('Checking unfollowing parameters', { parameters: req.params }) | |
77 | ||
78 | if (areValidationErrors(req, res)) return | |
79 | ||
80 | const serverActor = await getServerActor() | |
81 | ||
82 | const { name, host } = getRemoteNameAndHost(req.params.hostOrHandle) | |
83 | const follow = await ActorFollowModel.loadByActorAndTargetNameAndHostForAPI({ | |
84 | actorId: serverActor.id, | |
85 | targetName: name, | |
86 | targetHost: host | |
87 | }) | |
88 | ||
89 | if (!follow) { | |
90 | return res.fail({ | |
91 | status: HttpStatusCode.NOT_FOUND_404, | |
92 | message: `Follow ${req.params.hostOrHandle} not found.` | |
93 | }) | |
94 | } | |
95 | ||
96 | res.locals.follow = follow | |
97 | return next() | |
98 | } | |
99 | ] | |
100 | ||
101 | const getFollowerValidator = [ | |
102 | param('nameWithHost') | |
103 | .custom(isValidActorHandle), | |
104 | ||
105 | async (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
106 | logger.debug('Checking get follower parameters', { parameters: req.params }) | |
107 | ||
108 | if (areValidationErrors(req, res)) return | |
109 | ||
110 | let follow: MActorFollowActorsDefault | |
111 | try { | |
112 | const actorUrl = await loadActorUrlOrGetFromWebfinger(req.params.nameWithHost) | |
113 | const actor = await ActorModel.loadByUrl(actorUrl) | |
114 | ||
115 | const serverActor = await getServerActor() | |
116 | follow = await ActorFollowModel.loadByActorAndTarget(actor.id, serverActor.id) | |
117 | } catch (err) { | |
118 | logger.warn('Cannot get actor from handle.', { handle: req.params.nameWithHost, err }) | |
119 | } | |
120 | ||
121 | if (!follow) { | |
122 | return res.fail({ | |
123 | status: HttpStatusCode.NOT_FOUND_404, | |
124 | message: `Follower ${req.params.nameWithHost} not found.` | |
125 | }) | |
126 | } | |
127 | ||
128 | res.locals.follow = follow | |
129 | return next() | |
130 | } | |
131 | ] | |
132 | ||
133 | const acceptFollowerValidator = [ | |
134 | (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
135 | logger.debug('Checking accept follower parameters', { parameters: req.params }) | |
136 | ||
137 | const follow = res.locals.follow | |
138 | if (follow.state !== 'pending' && follow.state !== 'rejected') { | |
139 | return res.fail({ message: 'Follow is not in pending/rejected state.' }) | |
140 | } | |
141 | ||
142 | return next() | |
143 | } | |
144 | ] | |
145 | ||
146 | const rejectFollowerValidator = [ | |
147 | (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
148 | logger.debug('Checking reject follower parameters', { parameters: req.params }) | |
149 | ||
150 | const follow = res.locals.follow | |
151 | if (follow.state !== 'pending' && follow.state !== 'accepted') { | |
152 | return res.fail({ message: 'Follow is not in pending/accepted state.' }) | |
153 | } | |
154 | ||
155 | return next() | |
156 | } | |
157 | ] | |
158 | ||
159 | // --------------------------------------------------------------------------- | |
160 | ||
161 | export { | |
162 | followValidator, | |
163 | removeFollowingValidator, | |
164 | getFollowerValidator, | |
165 | acceptFollowerValidator, | |
166 | rejectFollowerValidator, | |
167 | listFollowsValidator | |
168 | } |