]>
Commit | Line | Data |
---|---|---|
1 | import * as memoizee from 'memoizee' | |
2 | import { join } from 'path' | |
3 | import { Op } from 'sequelize' | |
4 | import { AllowNull, BelongsTo, Column, CreatedAt, DataType, ForeignKey, HasMany, Is, Model, Table, UpdatedAt } from 'sequelize-typescript' | |
5 | import { VideoFileModel } from '@server/models/video/video-file' | |
6 | import { MStreamingPlaylist, MVideo } from '@server/types/models' | |
7 | import { AttributesOnly } from '@shared/core-utils' | |
8 | import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type' | |
9 | import { sha1 } from '../../helpers/core-utils' | |
10 | import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc' | |
11 | import { isArrayOf } from '../../helpers/custom-validators/misc' | |
12 | import { isVideoFileInfoHashValid } from '../../helpers/custom-validators/videos' | |
13 | import { | |
14 | CONSTRAINTS_FIELDS, | |
15 | MEMOIZE_LENGTH, | |
16 | MEMOIZE_TTL, | |
17 | P2P_MEDIA_LOADER_PEER_VERSION, | |
18 | STATIC_PATHS, | |
19 | WEBSERVER | |
20 | } from '../../initializers/constants' | |
21 | import { VideoRedundancyModel } from '../redundancy/video-redundancy' | |
22 | import { doesExist } from '../shared' | |
23 | import { throwIfNotValid } from '../utils' | |
24 | import { VideoModel } from './video' | |
25 | ||
26 | @Table({ | |
27 | tableName: 'videoStreamingPlaylist', | |
28 | indexes: [ | |
29 | { | |
30 | fields: [ 'videoId' ] | |
31 | }, | |
32 | { | |
33 | fields: [ 'videoId', 'type' ], | |
34 | unique: true | |
35 | }, | |
36 | { | |
37 | fields: [ 'p2pMediaLoaderInfohashes' ], | |
38 | using: 'gin' | |
39 | } | |
40 | ] | |
41 | }) | |
42 | export class VideoStreamingPlaylistModel extends Model<Partial<AttributesOnly<VideoStreamingPlaylistModel>>> { | |
43 | @CreatedAt | |
44 | createdAt: Date | |
45 | ||
46 | @UpdatedAt | |
47 | updatedAt: Date | |
48 | ||
49 | @AllowNull(false) | |
50 | @Column | |
51 | type: VideoStreamingPlaylistType | |
52 | ||
53 | @AllowNull(false) | |
54 | @Column | |
55 | playlistFilename: string | |
56 | ||
57 | @AllowNull(true) | |
58 | @Is('PlaylistUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'playlist url', true)) | |
59 | @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEOS.URL.max)) | |
60 | playlistUrl: string | |
61 | ||
62 | @AllowNull(false) | |
63 | @Is('VideoStreamingPlaylistInfoHashes', value => throwIfNotValid(value, v => isArrayOf(v, isVideoFileInfoHashValid), 'info hashes')) | |
64 | @Column(DataType.ARRAY(DataType.STRING)) | |
65 | p2pMediaLoaderInfohashes: string[] | |
66 | ||
67 | @AllowNull(false) | |
68 | @Column | |
69 | p2pMediaLoaderPeerVersion: number | |
70 | ||
71 | @AllowNull(false) | |
72 | @Column | |
73 | segmentsSha256Filename: string | |
74 | ||
75 | @AllowNull(true) | |
76 | @Is('VideoStreamingSegmentsSha256Url', value => throwIfNotValid(value, isActivityPubUrlValid, 'segments sha256 url', true)) | |
77 | @Column | |
78 | segmentsSha256Url: string | |
79 | ||
80 | @ForeignKey(() => VideoModel) | |
81 | @Column | |
82 | videoId: number | |
83 | ||
84 | @BelongsTo(() => VideoModel, { | |
85 | foreignKey: { | |
86 | allowNull: false | |
87 | }, | |
88 | onDelete: 'CASCADE' | |
89 | }) | |
90 | Video: VideoModel | |
91 | ||
92 | @HasMany(() => VideoFileModel, { | |
93 | foreignKey: { | |
94 | allowNull: true | |
95 | }, | |
96 | onDelete: 'CASCADE' | |
97 | }) | |
98 | VideoFiles: VideoFileModel[] | |
99 | ||
100 | @HasMany(() => VideoRedundancyModel, { | |
101 | foreignKey: { | |
102 | allowNull: false | |
103 | }, | |
104 | onDelete: 'CASCADE', | |
105 | hooks: true | |
106 | }) | |
107 | RedundancyVideos: VideoRedundancyModel[] | |
108 | ||
109 | static doesInfohashExistCached = memoizee(VideoStreamingPlaylistModel.doesInfohashExist, { | |
110 | promise: true, | |
111 | max: MEMOIZE_LENGTH.INFO_HASH_EXISTS, | |
112 | maxAge: MEMOIZE_TTL.INFO_HASH_EXISTS | |
113 | }) | |
114 | ||
115 | static doesInfohashExist (infoHash: string) { | |
116 | const query = 'SELECT 1 FROM "videoStreamingPlaylist" WHERE $infoHash = ANY("p2pMediaLoaderInfohashes") LIMIT 1' | |
117 | ||
118 | return doesExist(query, { infoHash }) | |
119 | } | |
120 | ||
121 | static buildP2PMediaLoaderInfoHashes (playlistUrl: string, files: unknown[]) { | |
122 | const hashes: string[] = [] | |
123 | ||
124 | // https://github.com/Novage/p2p-media-loader/blob/master/p2p-media-loader-core/lib/p2p-media-manager.ts#L115 | |
125 | for (let i = 0; i < files.length; i++) { | |
126 | hashes.push(sha1(`${P2P_MEDIA_LOADER_PEER_VERSION}${playlistUrl}+V${i}`)) | |
127 | } | |
128 | ||
129 | return hashes | |
130 | } | |
131 | ||
132 | static listByIncorrectPeerVersion () { | |
133 | const query = { | |
134 | where: { | |
135 | p2pMediaLoaderPeerVersion: { | |
136 | [Op.ne]: P2P_MEDIA_LOADER_PEER_VERSION | |
137 | } | |
138 | }, | |
139 | include: [ | |
140 | { | |
141 | model: VideoModel.unscoped(), | |
142 | required: true | |
143 | } | |
144 | ] | |
145 | } | |
146 | ||
147 | return VideoStreamingPlaylistModel.findAll(query) | |
148 | } | |
149 | ||
150 | static loadWithVideo (id: number) { | |
151 | const options = { | |
152 | include: [ | |
153 | { | |
154 | model: VideoModel.unscoped(), | |
155 | required: true | |
156 | } | |
157 | ] | |
158 | } | |
159 | ||
160 | return VideoStreamingPlaylistModel.findByPk(id, options) | |
161 | } | |
162 | ||
163 | static loadHLSPlaylistByVideo (videoId: number): Promise<MStreamingPlaylist> { | |
164 | const options = { | |
165 | where: { | |
166 | type: VideoStreamingPlaylistType.HLS, | |
167 | videoId | |
168 | } | |
169 | } | |
170 | ||
171 | return VideoStreamingPlaylistModel.findOne(options) | |
172 | } | |
173 | ||
174 | static async loadOrGenerate (video: MVideo) { | |
175 | let playlist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id) | |
176 | if (!playlist) playlist = new VideoStreamingPlaylistModel() | |
177 | ||
178 | return Object.assign(playlist, { videoId: video.id, Video: video }) | |
179 | } | |
180 | ||
181 | assignP2PMediaLoaderInfoHashes (video: MVideo, files: unknown[]) { | |
182 | const masterPlaylistUrl = this.getMasterPlaylistUrl(video) | |
183 | ||
184 | this.p2pMediaLoaderInfohashes = VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(masterPlaylistUrl, files) | |
185 | } | |
186 | ||
187 | getMasterPlaylistUrl (video: MVideo) { | |
188 | if (video.isOwned()) return WEBSERVER.URL + this.getMasterPlaylistStaticPath(video.uuid) | |
189 | ||
190 | return this.playlistUrl | |
191 | } | |
192 | ||
193 | getSha256SegmentsUrl (video: MVideo) { | |
194 | if (video.isOwned()) return WEBSERVER.URL + this.getSha256SegmentsStaticPath(video.uuid, video.isLive) | |
195 | ||
196 | return this.segmentsSha256Url | |
197 | } | |
198 | ||
199 | getStringType () { | |
200 | if (this.type === VideoStreamingPlaylistType.HLS) return 'hls' | |
201 | ||
202 | return 'unknown' | |
203 | } | |
204 | ||
205 | getTrackerUrls (baseUrlHttp: string, baseUrlWs: string) { | |
206 | return [ baseUrlWs + '/tracker/socket', baseUrlHttp + '/tracker/announce' ] | |
207 | } | |
208 | ||
209 | hasSameUniqueKeysThan (other: MStreamingPlaylist) { | |
210 | return this.type === other.type && | |
211 | this.videoId === other.videoId | |
212 | } | |
213 | ||
214 | private getMasterPlaylistStaticPath (videoUUID: string) { | |
215 | return join(STATIC_PATHS.STREAMING_PLAYLISTS.HLS, videoUUID, this.playlistFilename) | |
216 | } | |
217 | ||
218 | private getSha256SegmentsStaticPath (videoUUID: string, isLive: boolean) { | |
219 | if (isLive) return join('/live', 'segments-sha256', videoUUID) | |
220 | ||
221 | return join(STATIC_PATHS.STREAMING_PLAYLISTS.HLS, videoUUID, this.segmentsSha256Filename) | |
222 | } | |
223 | } |