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1 | import * as express from 'express' | |
2 | import { query } from 'express-validator' | |
3 | import { join } from 'path' | |
4 | import { fetchVideo } from '@server/helpers/video' | |
5 | import { VideoPlaylistModel } from '@server/models/video/video-playlist' | |
6 | import { VideoPlaylistPrivacy, VideoPrivacy } from '@shared/models' | |
7 | import { HttpStatusCode } from '../../../shared/core-utils/miscs/http-error-codes' | |
8 | import { isTestInstance } from '../../helpers/core-utils' | |
9 | import { isIdOrUUIDValid } from '../../helpers/custom-validators/misc' | |
10 | import { logger } from '../../helpers/logger' | |
11 | import { WEBSERVER } from '../../initializers/constants' | |
12 | import { areValidationErrors } from './utils' | |
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 watchRegex = /([^/]+)$/ | |
32 | const isURLOptions = { | |
33 | require_host: true, | |
34 | require_tld: true | |
35 | } | |
36 | ||
37 | // We validate 'localhost', so we don't have the top level domain | |
38 | if (isTestInstance()) { | |
39 | isURLOptions.require_tld = false | |
40 | } | |
41 | ||
42 | const oembedValidator = [ | |
43 | query('url').isURL(isURLOptions).withMessage('Should have a valid url'), | |
44 | query('maxwidth').optional().isInt().withMessage('Should have a valid max width'), | |
45 | query('maxheight').optional().isInt().withMessage('Should have a valid max height'), | |
46 | query('format').optional().isIn([ 'xml', 'json' ]).withMessage('Should have a valid format'), | |
47 | ||
48 | async (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
49 | logger.debug('Checking oembed parameters', { parameters: req.query }) | |
50 | ||
51 | if (areValidationErrors(req, res)) return | |
52 | ||
53 | if (req.query.format !== undefined && req.query.format !== 'json') { | |
54 | return res.status(HttpStatusCode.NOT_IMPLEMENTED_501) | |
55 | .json({ error: 'Requested format is not implemented on server.' }) | |
56 | } | |
57 | ||
58 | const url = req.query.url as string | |
59 | ||
60 | const isPlaylist = startPlaylistURLs.some(u => url.startsWith(u)) | |
61 | const isVideo = isPlaylist ? false : startVideoURLs.some(u => url.startsWith(u)) | |
62 | ||
63 | const startIsOk = isVideo || isPlaylist | |
64 | ||
65 | const matches = watchRegex.exec(url) | |
66 | ||
67 | if (startIsOk === false || matches === null) { | |
68 | return res.status(HttpStatusCode.BAD_REQUEST_400) | |
69 | .json({ error: 'Invalid url.' }) | |
70 | } | |
71 | ||
72 | const elementId = matches[1] | |
73 | if (isIdOrUUIDValid(elementId) === false) { | |
74 | return res.status(HttpStatusCode.BAD_REQUEST_400) | |
75 | .json({ error: 'Invalid video or playlist id.' }) | |
76 | } | |
77 | ||
78 | if (isVideo) { | |
79 | const video = await fetchVideo(elementId, 'all') | |
80 | ||
81 | if (!video) { | |
82 | return res.status(HttpStatusCode.NOT_FOUND_404) | |
83 | .json({ error: 'Video not found' }) | |
84 | } | |
85 | ||
86 | if (video.privacy !== VideoPrivacy.PUBLIC) { | |
87 | return res.status(HttpStatusCode.FORBIDDEN_403) | |
88 | .json({ error: 'Video is not public' }) | |
89 | } | |
90 | ||
91 | res.locals.videoAll = video | |
92 | return next() | |
93 | } | |
94 | ||
95 | // Is playlist | |
96 | ||
97 | const videoPlaylist = await VideoPlaylistModel.loadWithAccountAndChannelSummary(elementId, undefined) | |
98 | if (!videoPlaylist) { | |
99 | return res.status(HttpStatusCode.NOT_FOUND_404) | |
100 | .json({ error: 'Video playlist not found' }) | |
101 | } | |
102 | ||
103 | if (videoPlaylist.privacy !== VideoPlaylistPrivacy.PUBLIC) { | |
104 | return res.status(HttpStatusCode.FORBIDDEN_403) | |
105 | .json({ error: 'Playlist is not public' }) | |
106 | } | |
107 | ||
108 | res.locals.videoPlaylistSummary = videoPlaylist | |
109 | return next() | |
110 | } | |
111 | ||
112 | ] | |
113 | ||
114 | // --------------------------------------------------------------------------- | |
115 | ||
116 | export { | |
117 | oembedValidator | |
118 | } |