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1 | import express from 'express' | |
2 | import { query } from 'express-validator' | |
3 | import { join } from 'path' | |
4 | import { loadVideo } from '@server/lib/model-loaders' | |
5 | import { VideoPlaylistModel } from '@server/models/video/video-playlist' | |
6 | import { VideoPlaylistPrivacy, VideoPrivacy } from '@shared/models' | |
7 | import { HttpStatusCode } from '../../../shared/models/http/http-error-codes' | |
8 | import { isTestOrDevInstance } from '../../helpers/core-utils' | |
9 | import { isIdOrUUIDValid, isUUIDValid, toCompleteUUID } from '../../helpers/custom-validators/misc' | |
10 | import { logger } from '../../helpers/logger' | |
11 | import { WEBSERVER } from '../../initializers/constants' | |
12 | import { areValidationErrors } from './shared' | |
13 | ||
14 | const playlistPaths = [ | |
15 | join('videos', 'watch', 'playlist'), | |
16 | join('w', 'p') | |
17 | ] | |
18 | ||
19 | const videoPaths = [ | |
20 | join('videos', 'watch'), | |
21 | 'w' | |
22 | ] | |
23 | ||
24 | function buildUrls (paths: string[]) { | |
25 | return paths.map(p => WEBSERVER.SCHEME + '://' + join(WEBSERVER.HOST, p) + '/') | |
26 | } | |
27 | ||
28 | const startPlaylistURLs = buildUrls(playlistPaths) | |
29 | const startVideoURLs = buildUrls(videoPaths) | |
30 | ||
31 | const isURLOptions = { | |
32 | require_host: true, | |
33 | require_tld: true | |
34 | } | |
35 | ||
36 | // We validate 'localhost', so we don't have the top level domain | |
37 | if (isTestOrDevInstance()) { | |
38 | isURLOptions.require_tld = false | |
39 | } | |
40 | ||
41 | const oembedValidator = [ | |
42 | query('url') | |
43 | .isURL(isURLOptions), | |
44 | query('maxwidth') | |
45 | .optional() | |
46 | .isInt(), | |
47 | query('maxheight') | |
48 | .optional() | |
49 | .isInt(), | |
50 | query('format') | |
51 | .optional() | |
52 | .isIn([ 'xml', 'json' ]), | |
53 | ||
54 | async (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
55 | logger.debug('Checking oembed parameters', { parameters: req.query }) | |
56 | ||
57 | if (areValidationErrors(req, res)) return | |
58 | ||
59 | if (req.query.format !== undefined && req.query.format !== 'json') { | |
60 | return res.fail({ | |
61 | status: HttpStatusCode.NOT_IMPLEMENTED_501, | |
62 | message: 'Requested format is not implemented on server.', | |
63 | data: { | |
64 | format: req.query.format | |
65 | } | |
66 | }) | |
67 | } | |
68 | ||
69 | const url = req.query.url as string | |
70 | ||
71 | let urlPath: string | |
72 | ||
73 | try { | |
74 | urlPath = new URL(url).pathname | |
75 | } catch (err) { | |
76 | return res.fail({ | |
77 | status: HttpStatusCode.BAD_REQUEST_400, | |
78 | message: err.message, | |
79 | data: { | |
80 | url | |
81 | } | |
82 | }) | |
83 | } | |
84 | ||
85 | const isPlaylist = startPlaylistURLs.some(u => url.startsWith(u)) | |
86 | const isVideo = isPlaylist ? false : startVideoURLs.some(u => url.startsWith(u)) | |
87 | ||
88 | const startIsOk = isVideo || isPlaylist | |
89 | ||
90 | const parts = urlPath.split('/') | |
91 | ||
92 | if (startIsOk === false || parts.length === 0) { | |
93 | return res.fail({ | |
94 | status: HttpStatusCode.BAD_REQUEST_400, | |
95 | message: 'Invalid url.', | |
96 | data: { | |
97 | url | |
98 | } | |
99 | }) | |
100 | } | |
101 | ||
102 | const elementId = toCompleteUUID(parts.pop()) | |
103 | if (isIdOrUUIDValid(elementId) === false) { | |
104 | return res.fail({ message: 'Invalid video or playlist id.' }) | |
105 | } | |
106 | ||
107 | if (isVideo) { | |
108 | const video = await loadVideo(elementId, 'all') | |
109 | ||
110 | if (!video) { | |
111 | return res.fail({ | |
112 | status: HttpStatusCode.NOT_FOUND_404, | |
113 | message: 'Video not found' | |
114 | }) | |
115 | } | |
116 | ||
117 | if ( | |
118 | video.privacy === VideoPrivacy.PUBLIC || | |
119 | (video.privacy === VideoPrivacy.UNLISTED && isUUIDValid(elementId) === true) | |
120 | ) { | |
121 | res.locals.videoAll = video | |
122 | return next() | |
123 | } | |
124 | ||
125 | return res.fail({ | |
126 | status: HttpStatusCode.FORBIDDEN_403, | |
127 | message: 'Video is not publicly available' | |
128 | }) | |
129 | } | |
130 | ||
131 | // Is playlist | |
132 | ||
133 | const videoPlaylist = await VideoPlaylistModel.loadWithAccountAndChannelSummary(elementId, undefined) | |
134 | if (!videoPlaylist) { | |
135 | return res.fail({ | |
136 | status: HttpStatusCode.NOT_FOUND_404, | |
137 | message: 'Video playlist not found' | |
138 | }) | |
139 | } | |
140 | ||
141 | if ( | |
142 | videoPlaylist.privacy === VideoPlaylistPrivacy.PUBLIC || | |
143 | (videoPlaylist.privacy === VideoPlaylistPrivacy.UNLISTED && isUUIDValid(elementId)) | |
144 | ) { | |
145 | res.locals.videoPlaylistSummary = videoPlaylist | |
146 | return next() | |
147 | } | |
148 | ||
149 | return res.fail({ | |
150 | status: HttpStatusCode.FORBIDDEN_403, | |
151 | message: 'Playlist is not public' | |
152 | }) | |
153 | } | |
154 | ||
155 | ] | |
156 | ||
157 | // --------------------------------------------------------------------------- | |
158 | ||
159 | export { | |
160 | oembedValidator | |
161 | } |