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1 | import { map } from 'bluebird' | |
2 | import { sanitizeAndCheckVideoCommentObject } from '../../helpers/custom-validators/activitypub/video-comments' | |
3 | import { logger } from '../../helpers/logger' | |
4 | import { doJSONRequest } from '../../helpers/requests' | |
5 | import { ACTIVITY_PUB, CRAWL_REQUEST_CONCURRENCY } from '../../initializers/constants' | |
6 | import { VideoCommentModel } from '../../models/video/video-comment' | |
7 | import { MComment, MCommentOwner, MCommentOwnerVideo, MVideoAccountLightBlacklistAllFiles } from '../../types/models/video' | |
8 | import { isRemoteVideoCommentAccepted } from '../moderation' | |
9 | import { Hooks } from '../plugins/hooks' | |
10 | import { getOrCreateAPActor } from './actors' | |
11 | import { checkUrlsSameHost } from './url' | |
12 | import { getOrCreateAPVideo } from './videos' | |
13 | ||
14 | type ResolveThreadParams = { | |
15 | url: string | |
16 | comments?: MCommentOwner[] | |
17 | isVideo?: boolean | |
18 | commentCreated?: boolean | |
19 | } | |
20 | type ResolveThreadResult = Promise<{ video: MVideoAccountLightBlacklistAllFiles, comment: MCommentOwnerVideo, commentCreated: boolean }> | |
21 | ||
22 | async function addVideoComments (commentUrls: string[]) { | |
23 | return map(commentUrls, async commentUrl => { | |
24 | try { | |
25 | await resolveThread({ url: commentUrl, isVideo: false }) | |
26 | } catch (err) { | |
27 | logger.warn('Cannot resolve thread %s.', commentUrl, { err }) | |
28 | } | |
29 | }, { concurrency: CRAWL_REQUEST_CONCURRENCY }) | |
30 | } | |
31 | ||
32 | async function resolveThread (params: ResolveThreadParams): ResolveThreadResult { | |
33 | const { url, isVideo } = params | |
34 | ||
35 | if (params.commentCreated === undefined) params.commentCreated = false | |
36 | if (params.comments === undefined) params.comments = [] | |
37 | ||
38 | // If it is not a video, or if we don't know if it's a video, try to get the thread from DB | |
39 | if (isVideo === false || isVideo === undefined) { | |
40 | const result = await resolveCommentFromDB(params) | |
41 | if (result) return result | |
42 | } | |
43 | ||
44 | try { | |
45 | // If it is a video, or if we don't know if it's a video | |
46 | if (isVideo === true || isVideo === undefined) { | |
47 | // Keep await so we catch the exception | |
48 | return await tryToResolveThreadFromVideo(params) | |
49 | } | |
50 | } catch (err) { | |
51 | logger.debug('Cannot resolve thread from video %s, maybe because it was not a video', url, { err }) | |
52 | } | |
53 | ||
54 | return resolveRemoteParentComment(params) | |
55 | } | |
56 | ||
57 | export { | |
58 | addVideoComments, | |
59 | resolveThread | |
60 | } | |
61 | ||
62 | // --------------------------------------------------------------------------- | |
63 | ||
64 | async function resolveCommentFromDB (params: ResolveThreadParams) { | |
65 | const { url, comments, commentCreated } = params | |
66 | ||
67 | const commentFromDatabase = await VideoCommentModel.loadByUrlAndPopulateReplyAndVideoUrlAndAccount(url) | |
68 | if (!commentFromDatabase) return undefined | |
69 | ||
70 | let parentComments = comments.concat([ commentFromDatabase ]) | |
71 | ||
72 | // Speed up things and resolve directly the thread | |
73 | if (commentFromDatabase.InReplyToVideoComment) { | |
74 | const data = await VideoCommentModel.listThreadParentComments(commentFromDatabase, undefined, 'DESC') | |
75 | ||
76 | parentComments = parentComments.concat(data) | |
77 | } | |
78 | ||
79 | return resolveThread({ | |
80 | url: commentFromDatabase.Video.url, | |
81 | comments: parentComments, | |
82 | isVideo: true, | |
83 | commentCreated | |
84 | }) | |
85 | } | |
86 | ||
87 | async function tryToResolveThreadFromVideo (params: ResolveThreadParams) { | |
88 | const { url, comments, commentCreated } = params | |
89 | ||
90 | // Maybe it's a reply to a video? | |
91 | // If yes, it's done: we resolved all the thread | |
92 | const syncParam = { rates: true, shares: true, comments: false, thumbnail: true, refreshVideo: false } | |
93 | const { video } = await getOrCreateAPVideo({ videoObject: url, syncParam }) | |
94 | ||
95 | if (video.isOwned() && !video.hasPrivacyForFederation()) { | |
96 | throw new Error('Cannot resolve thread of video with privacy that is not compatible with federation') | |
97 | } | |
98 | ||
99 | let resultComment: MCommentOwnerVideo | |
100 | if (comments.length !== 0) { | |
101 | const firstReply = comments[comments.length - 1] as MCommentOwnerVideo | |
102 | firstReply.inReplyToCommentId = null | |
103 | firstReply.originCommentId = null | |
104 | firstReply.videoId = video.id | |
105 | firstReply.changed('updatedAt', true) | |
106 | firstReply.Video = video | |
107 | ||
108 | if (await isRemoteCommentAccepted(firstReply) !== true) { | |
109 | return undefined | |
110 | } | |
111 | ||
112 | comments[comments.length - 1] = await firstReply.save() | |
113 | ||
114 | for (let i = comments.length - 2; i >= 0; i--) { | |
115 | const comment = comments[i] as MCommentOwnerVideo | |
116 | comment.originCommentId = firstReply.id | |
117 | comment.inReplyToCommentId = comments[i + 1].id | |
118 | comment.videoId = video.id | |
119 | comment.changed('updatedAt', true) | |
120 | comment.Video = video | |
121 | ||
122 | if (await isRemoteCommentAccepted(comment) !== true) { | |
123 | return undefined | |
124 | } | |
125 | ||
126 | comments[i] = await comment.save() | |
127 | } | |
128 | ||
129 | resultComment = comments[0] as MCommentOwnerVideo | |
130 | } | |
131 | ||
132 | return { video, comment: resultComment, commentCreated } | |
133 | } | |
134 | ||
135 | async function resolveRemoteParentComment (params: ResolveThreadParams) { | |
136 | const { url, comments } = params | |
137 | ||
138 | if (comments.length > ACTIVITY_PUB.MAX_RECURSION_COMMENTS) { | |
139 | throw new Error('Recursion limit reached when resolving a thread') | |
140 | } | |
141 | ||
142 | const { body } = await doJSONRequest<any>(url, { activityPub: true }) | |
143 | ||
144 | if (sanitizeAndCheckVideoCommentObject(body) === false) { | |
145 | throw new Error(`Remote video comment JSON ${url} is not valid:` + JSON.stringify(body)) | |
146 | } | |
147 | ||
148 | const actorUrl = body.attributedTo | |
149 | if (!actorUrl && body.type !== 'Tombstone') throw new Error('Miss attributed to in comment') | |
150 | ||
151 | if (actorUrl && checkUrlsSameHost(url, actorUrl) !== true) { | |
152 | throw new Error(`Actor url ${actorUrl} has not the same host than the comment url ${url}`) | |
153 | } | |
154 | ||
155 | if (checkUrlsSameHost(body.id, url) !== true) { | |
156 | throw new Error(`Comment url ${url} host is different from the AP object id ${body.id}`) | |
157 | } | |
158 | ||
159 | const actor = actorUrl | |
160 | ? await getOrCreateAPActor(actorUrl, 'all') | |
161 | : null | |
162 | ||
163 | const comment = new VideoCommentModel({ | |
164 | url: body.id, | |
165 | text: body.content ? body.content : '', | |
166 | videoId: null, | |
167 | accountId: actor ? actor.Account.id : null, | |
168 | inReplyToCommentId: null, | |
169 | originCommentId: null, | |
170 | createdAt: new Date(body.published), | |
171 | updatedAt: new Date(body.updated), | |
172 | deletedAt: body.deleted ? new Date(body.deleted) : null | |
173 | }) as MCommentOwner | |
174 | comment.Account = actor ? actor.Account : null | |
175 | ||
176 | return resolveThread({ | |
177 | url: body.inReplyTo, | |
178 | comments: comments.concat([ comment ]), | |
179 | commentCreated: true | |
180 | }) | |
181 | } | |
182 | ||
183 | async function isRemoteCommentAccepted (comment: MComment) { | |
184 | // Already created | |
185 | if (comment.id) return true | |
186 | ||
187 | const acceptParameters = { | |
188 | comment | |
189 | } | |
190 | ||
191 | const acceptedResult = await Hooks.wrapFun( | |
192 | isRemoteVideoCommentAccepted, | |
193 | acceptParameters, | |
194 | 'filter:activity-pub.remote-video-comment.create.accept.result' | |
195 | ) | |
196 | ||
197 | if (!acceptedResult || acceptedResult.accepted !== true) { | |
198 | logger.info('Refused to create a remote comment.', { acceptedResult, acceptParameters }) | |
199 | ||
200 | return false | |
201 | } | |
202 | ||
203 | return true | |
204 | } |