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4d4e5cd4 | 1 | import * as express from 'express' |
65fcc311 | 2 | import { join } from 'path' |
4d4e5cd4 | 3 | import * as validator from 'validator' |
6fcd19ba | 4 | import * as Promise from 'bluebird' |
830bcd0f | 5 | |
e02643f3 | 6 | import { database as db } from '../initializers/database' |
65fcc311 C |
7 | import { |
8 | CONFIG, | |
9 | REMOTE_SCHEME, | |
10 | STATIC_PATHS, | |
709756b8 C |
11 | STATIC_MAX_AGE, |
12 | OPENGRAPH_COMMENT | |
65fcc311 | 13 | } from '../initializers' |
6fcd19ba | 14 | import { root, readFileBufferPromise } from '../helpers' |
69818c93 | 15 | import { VideoInstance } from '../models' |
830bcd0f | 16 | |
65fcc311 | 17 | const clientsRouter = express.Router() |
830bcd0f | 18 | |
e02643f3 C |
19 | const distPath = join(root(), 'client', 'dist') |
20 | const embedPath = join(distPath, 'standalone', 'videos', 'embed.html') | |
65fcc311 | 21 | const indexPath = join(distPath, 'index.html') |
830bcd0f C |
22 | |
23 | // Special route that add OpenGraph tags | |
24 | // Do not use a template engine for a so little thing | |
65fcc311 | 25 | clientsRouter.use('/videos/watch/:id', generateWatchHtmlPage) |
830bcd0f | 26 | |
075f16ca | 27 | clientsRouter.use('/videos/embed', (req: express.Request, res: express.Response, next: express.NextFunction) => { |
830bcd0f C |
28 | res.sendFile(embedPath) |
29 | }) | |
30 | ||
79530164 | 31 | // Static HTML/CSS/JS client files |
65fcc311 | 32 | clientsRouter.use('/client', express.static(distPath, { maxAge: STATIC_MAX_AGE })) |
79530164 C |
33 | |
34 | // 404 for static files not found | |
075f16ca | 35 | clientsRouter.use('/client/*', (req: express.Request, res: express.Response, next: express.NextFunction) => { |
79530164 C |
36 | res.sendStatus(404) |
37 | }) | |
38 | ||
830bcd0f C |
39 | // --------------------------------------------------------------------------- |
40 | ||
65fcc311 C |
41 | export { |
42 | clientsRouter | |
43 | } | |
830bcd0f C |
44 | |
45 | // --------------------------------------------------------------------------- | |
46 | ||
69818c93 | 47 | function addOpenGraphTags (htmlStringPage: string, video: VideoInstance) { |
40e3f5e1 | 48 | let basePreviewUrlHttp |
41b5da1d C |
49 | |
50 | if (video.isOwned()) { | |
65fcc311 | 51 | basePreviewUrlHttp = CONFIG.WEBSERVER.URL |
41b5da1d | 52 | } else { |
65fcc311 | 53 | basePreviewUrlHttp = REMOTE_SCHEME.HTTP + '://' + video.Author.Pod.host |
41b5da1d C |
54 | } |
55 | ||
56 | // We fetch the remote preview (bigger than the thumbnail) | |
57 | // This should not overhead the remote server since social websites put in a cache the OpenGraph tags | |
58 | // We can't use the thumbnail because these social websites want bigger images (> 200x200 for Facebook for example) | |
65fcc311 C |
59 | const previewUrl = basePreviewUrlHttp + STATIC_PATHS.PREVIEWS + video.getPreviewName() |
60 | const videoUrl = CONFIG.WEBSERVER.URL + '/videos/watch/' + video.id | |
830bcd0f C |
61 | |
62 | const metaTags = { | |
63 | 'og:type': 'video', | |
64 | 'og:title': video.name, | |
41b5da1d | 65 | 'og:image': previewUrl, |
830bcd0f C |
66 | 'og:url': videoUrl, |
67 | 'og:description': video.description, | |
68 | ||
69 | 'name': video.name, | |
70 | 'description': video.description, | |
41b5da1d | 71 | 'image': previewUrl, |
830bcd0f C |
72 | |
73 | 'twitter:card': 'summary_large_image', | |
74 | 'twitter:site': '@Chocobozzz', | |
75 | 'twitter:title': video.name, | |
76 | 'twitter:description': video.description, | |
41b5da1d | 77 | 'twitter:image': previewUrl |
830bcd0f C |
78 | } |
79 | ||
80 | let tagsString = '' | |
0a6658fd | 81 | Object.keys(metaTags).forEach(tagName => { |
830bcd0f C |
82 | const tagValue = metaTags[tagName] |
83 | ||
84 | tagsString += '<meta property="' + tagName + '" content="' + tagValue + '" />' | |
85 | }) | |
86 | ||
709756b8 | 87 | return htmlStringPage.replace(OPENGRAPH_COMMENT, tagsString) |
830bcd0f C |
88 | } |
89 | ||
69818c93 C |
90 | function generateWatchHtmlPage (req: express.Request, res: express.Response, next: express.NextFunction) { |
91 | const videoId = '' + req.params.id | |
0a6658fd | 92 | let videoPromise: Promise<VideoInstance> |
73ce7f96 C |
93 | |
94 | // Let Angular application handle errors | |
0a6658fd C |
95 | if (validator.isUUID(videoId, 4)) { |
96 | videoPromise = db.Video.loadByUUIDAndPopulateAuthorAndPodAndTags(videoId) | |
97 | } else if (validator.isInt(videoId)) { | |
98 | videoPromise = db.Video.loadAndPopulateAuthorAndPodAndTags(+videoId) | |
99 | } else { | |
100 | return res.sendFile(indexPath) | |
101 | } | |
73ce7f96 | 102 | |
6fcd19ba C |
103 | Promise.all([ |
104 | readFileBufferPromise(indexPath), | |
0a6658fd | 105 | videoPromise |
6fcd19ba C |
106 | ]) |
107 | .then(([ file, video ]) => { | |
108 | file = file as Buffer | |
109 | video = video as VideoInstance | |
830bcd0f | 110 | |
6fcd19ba | 111 | const html = file.toString() |
830bcd0f | 112 | |
73ce7f96 C |
113 | // Let Angular application handle errors |
114 | if (!video) return res.sendFile(indexPath) | |
115 | ||
830bcd0f C |
116 | const htmlStringPageWithTags = addOpenGraphTags(html, video) |
117 | res.set('Content-Type', 'text/html; charset=UTF-8').send(htmlStringPageWithTags) | |
118 | }) | |
6fcd19ba | 119 | .catch(err => next(err)) |
830bcd0f | 120 | } |