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1 | import express from 'express' | |
2 | import { param, query } from 'express-validator' | |
3 | import { HttpStatusCode } from '@shared/models' | |
4 | import { isValidRSSFeed } from '../../helpers/custom-validators/feeds' | |
5 | import { exists, isIdOrUUIDValid, isIdValid, toCompleteUUID } from '../../helpers/custom-validators/misc' | |
6 | import { buildPodcastGroupsCache } from '../cache' | |
7 | import { | |
8 | areValidationErrors, | |
9 | checkCanSeeVideo, | |
10 | doesAccountIdExist, | |
11 | doesAccountNameWithHostExist, | |
12 | doesUserFeedTokenCorrespond, | |
13 | doesVideoChannelIdExist, | |
14 | doesVideoChannelNameWithHostExist, | |
15 | doesVideoExist | |
16 | } from './shared' | |
17 | ||
18 | const feedsFormatValidator = [ | |
19 | param('format') | |
20 | .optional() | |
21 | .custom(isValidRSSFeed).withMessage('Should have a valid format (rss, atom, json)'), | |
22 | query('format') | |
23 | .optional() | |
24 | .custom(isValidRSSFeed).withMessage('Should have a valid format (rss, atom, json)'), | |
25 | ||
26 | (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
27 | if (areValidationErrors(req, res)) return | |
28 | ||
29 | return next() | |
30 | } | |
31 | ] | |
32 | ||
33 | function setFeedFormatContentType (req: express.Request, res: express.Response, next: express.NextFunction) { | |
34 | const format = req.query.format || req.params.format || 'rss' | |
35 | ||
36 | let acceptableContentTypes: string[] | |
37 | if (format === 'atom' || format === 'atom1') { | |
38 | acceptableContentTypes = [ 'application/atom+xml', 'application/xml', 'text/xml' ] | |
39 | } else if (format === 'json' || format === 'json1') { | |
40 | acceptableContentTypes = [ 'application/json' ] | |
41 | } else if (format === 'rss' || format === 'rss2') { | |
42 | acceptableContentTypes = [ 'application/rss+xml', 'application/xml', 'text/xml' ] | |
43 | } else { | |
44 | acceptableContentTypes = [ 'application/xml', 'text/xml' ] | |
45 | } | |
46 | ||
47 | return feedContentTypeResponse(req, res, next, acceptableContentTypes) | |
48 | } | |
49 | ||
50 | function setFeedPodcastContentType (req: express.Request, res: express.Response, next: express.NextFunction) { | |
51 | const acceptableContentTypes = [ 'application/rss+xml', 'application/xml', 'text/xml' ] | |
52 | ||
53 | return feedContentTypeResponse(req, res, next, acceptableContentTypes) | |
54 | } | |
55 | ||
56 | function feedContentTypeResponse ( | |
57 | req: express.Request, | |
58 | res: express.Response, | |
59 | next: express.NextFunction, | |
60 | acceptableContentTypes: string[] | |
61 | ) { | |
62 | if (req.accepts(acceptableContentTypes)) { | |
63 | res.set('Content-Type', req.accepts(acceptableContentTypes) as string) | |
64 | } else { | |
65 | return res.fail({ | |
66 | status: HttpStatusCode.NOT_ACCEPTABLE_406, | |
67 | message: `You should accept at least one of the following content-types: ${acceptableContentTypes.join(', ')}` | |
68 | }) | |
69 | } | |
70 | ||
71 | return next() | |
72 | } | |
73 | ||
74 | // --------------------------------------------------------------------------- | |
75 | ||
76 | const videoFeedsValidator = [ | |
77 | query('accountId') | |
78 | .optional() | |
79 | .custom(isIdValid), | |
80 | ||
81 | query('accountName') | |
82 | .optional(), | |
83 | ||
84 | query('videoChannelId') | |
85 | .optional() | |
86 | .custom(isIdValid), | |
87 | ||
88 | query('videoChannelName') | |
89 | .optional(), | |
90 | ||
91 | async (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
92 | if (areValidationErrors(req, res)) return | |
93 | ||
94 | if (req.query.accountId && !await doesAccountIdExist(req.query.accountId, res)) return | |
95 | if (req.query.videoChannelId && !await doesVideoChannelIdExist(req.query.videoChannelId, res)) return | |
96 | if (req.query.accountName && !await doesAccountNameWithHostExist(req.query.accountName, res)) return | |
97 | if (req.query.videoChannelName && !await doesVideoChannelNameWithHostExist(req.query.videoChannelName, res)) return | |
98 | ||
99 | return next() | |
100 | } | |
101 | ] | |
102 | ||
103 | // --------------------------------------------------------------------------- | |
104 | ||
105 | const videoFeedsPodcastValidator = [ | |
106 | query('videoChannelId') | |
107 | .custom(isIdValid), | |
108 | ||
109 | async (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
110 | if (areValidationErrors(req, res)) return | |
111 | if (!await doesVideoChannelIdExist(req.query.videoChannelId, res)) return | |
112 | ||
113 | return next() | |
114 | } | |
115 | ] | |
116 | ||
117 | const videoFeedsPodcastSetCacheKey = [ | |
118 | (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
119 | if (req.query.videoChannelId) { | |
120 | res.locals.apicacheGroups = [ buildPodcastGroupsCache({ channelId: req.query.videoChannelId }) ] | |
121 | } | |
122 | ||
123 | return next() | |
124 | } | |
125 | ] | |
126 | // --------------------------------------------------------------------------- | |
127 | ||
128 | const videoSubscriptionFeedsValidator = [ | |
129 | query('accountId') | |
130 | .custom(isIdValid), | |
131 | ||
132 | query('token') | |
133 | .custom(exists), | |
134 | ||
135 | async (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
136 | if (areValidationErrors(req, res)) return | |
137 | ||
138 | if (!await doesAccountIdExist(req.query.accountId, res)) return | |
139 | if (!await doesUserFeedTokenCorrespond(res.locals.account.userId, req.query.token, res)) return | |
140 | ||
141 | return next() | |
142 | } | |
143 | ] | |
144 | ||
145 | const videoCommentsFeedsValidator = [ | |
146 | query('videoId') | |
147 | .optional() | |
148 | .customSanitizer(toCompleteUUID) | |
149 | .custom(isIdOrUUIDValid), | |
150 | ||
151 | async (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
152 | if (areValidationErrors(req, res)) return | |
153 | ||
154 | if (req.query.videoId && (req.query.videoChannelId || req.query.videoChannelName)) { | |
155 | return res.fail({ message: 'videoId cannot be mixed with a channel filter' }) | |
156 | } | |
157 | ||
158 | if (req.query.videoId) { | |
159 | if (!await doesVideoExist(req.query.videoId, res)) return | |
160 | if (!await checkCanSeeVideo({ req, res, paramId: req.query.videoId, video: res.locals.videoAll })) return | |
161 | } | |
162 | ||
163 | return next() | |
164 | } | |
165 | ] | |
166 | ||
167 | // --------------------------------------------------------------------------- | |
168 | ||
169 | export { | |
170 | feedsFormatValidator, | |
171 | setFeedFormatContentType, | |
172 | setFeedPodcastContentType, | |
173 | videoFeedsValidator, | |
174 | videoFeedsPodcastValidator, | |
175 | videoSubscriptionFeedsValidator, | |
176 | videoFeedsPodcastSetCacheKey, | |
177 | videoCommentsFeedsValidator | |
178 | } |