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e032aec9 | 1 | import * as express from 'express' |
bd45d503 | 2 | import { buildFileLocale, getDefaultLocale, is18nLocale, POSSIBLE_LOCALES } from '../../shared/core-utils/i18n/i18n' |
8d987ec6 K |
3 | import { |
4 | AVATARS_SIZE, | |
5 | CUSTOM_HTML_TAG_COMMENTS, | |
6 | EMBED_SIZE, | |
7 | PLUGIN_GLOBAL_CSS_PATH, | |
8 | WEBSERVER, | |
9 | FILES_CONTENT_HASH | |
10 | } from '../initializers/constants' | |
e032aec9 | 11 | import { join } from 'path' |
a8b666e9 | 12 | import { escapeHTML, sha256 } from '../helpers/core-utils' |
e032aec9 | 13 | import { VideoModel } from '../models/video/video' |
8d987ec6 | 14 | import { VideoPlaylistModel } from '../models/video/video-playlist' |
7cde3b9c | 15 | import validator from 'validator' |
8d987ec6 | 16 | import { VideoPrivacy, VideoPlaylistPrivacy } from '../../shared/models/videos' |
62689b94 | 17 | import { readFile } from 'fs-extra' |
098eb377 | 18 | import { getActivityStreamDuration } from '../models/video/video-format-utils' |
92bf2f62 C |
19 | import { AccountModel } from '../models/account/account' |
20 | import { VideoChannelModel } from '../models/video/video-channel' | |
21 | import * as Bluebird from 'bluebird' | |
6dd9de95 | 22 | import { CONFIG } from '../initializers/config' |
3e753302 | 23 | import { logger } from '../helpers/logger' |
8d987ec6 | 24 | import { MAccountActor, MChannelActor } from '../types/models' |
e032aec9 | 25 | |
6fad8e51 C |
26 | type Tags = { |
27 | ogType: string | |
b96777c3 | 28 | twitterCard: 'player' | 'summary' | 'summary_large_image' |
6fad8e51 C |
29 | schemaType: string |
30 | ||
31 | list?: { | |
32 | numberOfItems: number | |
33 | } | |
34 | ||
35 | title: string | |
36 | url: string | |
37 | description: string | |
38 | ||
39 | embed?: { | |
40 | url: string | |
41 | createdAt: string | |
42 | duration?: string | |
43 | views?: number | |
44 | } | |
45 | ||
46 | image: { | |
47 | url: string | |
48 | width?: number | |
49 | height?: number | |
50 | } | |
51 | } | |
52 | ||
e032aec9 C |
53 | export class ClientHtml { |
54 | ||
a1587156 | 55 | private static htmlCache: { [path: string]: string } = {} |
e032aec9 C |
56 | |
57 | static invalidCache () { | |
3e753302 C |
58 | logger.info('Cleaning HTML cache.') |
59 | ||
e032aec9 C |
60 | ClientHtml.htmlCache = {} |
61 | } | |
62 | ||
9aac4423 | 63 | static async getDefaultHTMLPage (req: express.Request, res: express.Response, paramLang?: string) { |
7738273b RK |
64 | const html = paramLang |
65 | ? await ClientHtml.getIndexHTML(req, res, paramLang) | |
66 | : await ClientHtml.getIndexHTML(req, res) | |
e032aec9 | 67 | |
9aac4423 C |
68 | let customHtml = ClientHtml.addTitleTag(html) |
69 | customHtml = ClientHtml.addDescriptionTag(customHtml) | |
e032aec9 | 70 | |
9aac4423 | 71 | return customHtml |
e032aec9 C |
72 | } |
73 | ||
74 | static async getWatchHTMLPage (videoId: string, req: express.Request, res: express.Response) { | |
e032aec9 | 75 | // Let Angular application handle errors |
92bf2f62 | 76 | if (!validator.isInt(videoId) && !validator.isUUID(videoId, 4)) { |
c08579e1 | 77 | res.status(404) |
e032aec9 C |
78 | return ClientHtml.getIndexHTML(req, res) |
79 | } | |
80 | ||
81 | const [ html, video ] = await Promise.all([ | |
82 | ClientHtml.getIndexHTML(req, res), | |
d636ab58 | 83 | VideoModel.loadWithBlacklist(videoId) |
e032aec9 C |
84 | ]) |
85 | ||
86 | // Let Angular application handle errors | |
22a73cb8 | 87 | if (!video || video.privacy === VideoPrivacy.PRIVATE || video.privacy === VideoPrivacy.INTERNAL || video.VideoBlacklist) { |
c08579e1 C |
88 | res.status(404) |
89 | return html | |
e032aec9 C |
90 | } |
91 | ||
9aac4423 C |
92 | let customHtml = ClientHtml.addTitleTag(html, escapeHTML(video.name)) |
93 | customHtml = ClientHtml.addDescriptionTag(customHtml, escapeHTML(video.description)) | |
8d987ec6 K |
94 | |
95 | const url = WEBSERVER.URL + video.getWatchStaticPath() | |
96 | const title = escapeHTML(video.name) | |
97 | const description = escapeHTML(video.description) | |
98 | ||
99 | const image = { | |
100 | url: WEBSERVER.URL + video.getPreviewStaticPath() | |
101 | } | |
102 | ||
103 | const embed = { | |
104 | url: WEBSERVER.URL + video.getEmbedStaticPath(), | |
105 | createdAt: video.createdAt.toISOString(), | |
106 | duration: getActivityStreamDuration(video.duration), | |
107 | views: video.views | |
108 | } | |
109 | ||
110 | const ogType = 'video' | |
111 | const twitterCard = CONFIG.SERVICES.TWITTER.WHITELISTED ? 'player' : 'summary_large_image' | |
112 | const schemaType = 'VideoObject' | |
113 | ||
114 | customHtml = ClientHtml.addTags(customHtml, { url, title, description, image, embed, ogType, twitterCard, schemaType }) | |
115 | ||
116 | return customHtml | |
117 | } | |
118 | ||
119 | static async getWatchPlaylistHTMLPage (videoPlaylistId: string, req: express.Request, res: express.Response) { | |
120 | // Let Angular application handle errors | |
121 | if (!validator.isInt(videoPlaylistId) && !validator.isUUID(videoPlaylistId, 4)) { | |
122 | res.status(404) | |
123 | return ClientHtml.getIndexHTML(req, res) | |
124 | } | |
125 | ||
126 | const [ html, videoPlaylist ] = await Promise.all([ | |
127 | ClientHtml.getIndexHTML(req, res), | |
128 | VideoPlaylistModel.loadWithAccountAndChannel(videoPlaylistId, null) | |
129 | ]) | |
130 | ||
131 | // Let Angular application handle errors | |
132 | if (!videoPlaylist || videoPlaylist.privacy === VideoPlaylistPrivacy.PRIVATE) { | |
133 | res.status(404) | |
134 | return html | |
135 | } | |
136 | ||
137 | let customHtml = ClientHtml.addTitleTag(html, escapeHTML(videoPlaylist.name)) | |
138 | customHtml = ClientHtml.addDescriptionTag(customHtml, escapeHTML(videoPlaylist.description)) | |
139 | ||
140 | const url = videoPlaylist.getWatchUrl() | |
141 | const title = escapeHTML(videoPlaylist.name) | |
142 | const description = escapeHTML(videoPlaylist.description) | |
143 | ||
144 | const image = { | |
145 | url: videoPlaylist.getThumbnailUrl() | |
146 | } | |
147 | ||
6fad8e51 C |
148 | const embed = { |
149 | url: WEBSERVER.URL + videoPlaylist.getEmbedStaticPath(), | |
150 | createdAt: videoPlaylist.createdAt.toISOString() | |
151 | } | |
152 | ||
8d987ec6 | 153 | const list = { |
6fad8e51 | 154 | numberOfItems: videoPlaylist.get('videosLength') as number |
8d987ec6 K |
155 | } |
156 | ||
157 | const ogType = 'video' | |
6fad8e51 | 158 | const twitterCard = CONFIG.SERVICES.TWITTER.WHITELISTED ? 'player' : 'summary' |
8d987ec6 K |
159 | const schemaType = 'ItemList' |
160 | ||
6fad8e51 | 161 | customHtml = ClientHtml.addTags(customHtml, { url, embed, title, description, image, list, ogType, twitterCard, schemaType }) |
92bf2f62 C |
162 | |
163 | return customHtml | |
164 | } | |
165 | ||
166 | static async getAccountHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) { | |
167 | return this.getAccountOrChannelHTMLPage(() => AccountModel.loadByNameWithHost(nameWithHost), req, res) | |
168 | } | |
169 | ||
170 | static async getVideoChannelHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) { | |
171 | return this.getAccountOrChannelHTMLPage(() => VideoChannelModel.loadByNameWithHostAndPopulateAccount(nameWithHost), req, res) | |
172 | } | |
173 | ||
cf649c2e C |
174 | static async getEmbedHTML () { |
175 | const path = ClientHtml.getEmbedPath() | |
176 | console.log('coucu') | |
177 | console.log(path) | |
178 | ||
179 | if (ClientHtml.htmlCache[path]) return ClientHtml.htmlCache[path] | |
180 | ||
181 | const buffer = await readFile(path) | |
182 | ||
183 | let html = buffer.toString() | |
184 | html = await ClientHtml.addAsyncPluginCSS(html) | |
185 | ||
186 | ClientHtml.htmlCache[path] = html | |
187 | ||
188 | return html | |
189 | } | |
190 | ||
92bf2f62 | 191 | private static async getAccountOrChannelHTMLPage ( |
453e83ea | 192 | loader: () => Bluebird<MAccountActor | MChannelActor>, |
92bf2f62 C |
193 | req: express.Request, |
194 | res: express.Response | |
195 | ) { | |
196 | const [ html, entity ] = await Promise.all([ | |
197 | ClientHtml.getIndexHTML(req, res), | |
198 | loader() | |
199 | ]) | |
200 | ||
201 | // Let Angular application handle errors | |
202 | if (!entity) { | |
c08579e1 | 203 | res.status(404) |
92bf2f62 C |
204 | return ClientHtml.getIndexHTML(req, res) |
205 | } | |
206 | ||
207 | let customHtml = ClientHtml.addTitleTag(html, escapeHTML(entity.getDisplayName())) | |
208 | customHtml = ClientHtml.addDescriptionTag(customHtml, escapeHTML(entity.description)) | |
8d987ec6 K |
209 | |
210 | const url = entity.Actor.url | |
211 | const title = escapeHTML(entity.getDisplayName()) | |
212 | const description = escapeHTML(entity.description) | |
213 | ||
214 | const image = { | |
215 | url: entity.Actor.getAvatarUrl(), | |
216 | width: AVATARS_SIZE.width, | |
217 | height: AVATARS_SIZE.height | |
218 | } | |
219 | ||
220 | const ogType = 'website' | |
221 | const twitterCard = 'summary' | |
222 | const schemaType = 'ProfilePage' | |
223 | ||
224 | customHtml = ClientHtml.addTags(customHtml, { url, title, description, image, ogType, twitterCard, schemaType }) | |
9aac4423 C |
225 | |
226 | return customHtml | |
227 | } | |
228 | ||
229 | private static async getIndexHTML (req: express.Request, res: express.Response, paramLang?: string) { | |
230 | const path = ClientHtml.getIndexPath(req, res, paramLang) | |
a1587156 | 231 | if (ClientHtml.htmlCache[path]) return ClientHtml.htmlCache[path] |
9aac4423 C |
232 | |
233 | const buffer = await readFile(path) | |
234 | ||
235 | let html = buffer.toString() | |
236 | ||
7738273b | 237 | if (paramLang) html = ClientHtml.addHtmlLang(html, paramLang) |
caf2aaf4 K |
238 | html = ClientHtml.addManifestContentHash(html) |
239 | html = ClientHtml.addFaviconContentHash(html) | |
240 | html = ClientHtml.addLogoContentHash(html) | |
9aac4423 | 241 | html = ClientHtml.addCustomCSS(html) |
a8b666e9 | 242 | html = await ClientHtml.addAsyncPluginCSS(html) |
9aac4423 | 243 | |
a1587156 | 244 | ClientHtml.htmlCache[path] = html |
9aac4423 C |
245 | |
246 | return html | |
e032aec9 C |
247 | } |
248 | ||
7738273b | 249 | private static getIndexPath (req: express.Request, res: express.Response, paramLang: string) { |
e032aec9 C |
250 | let lang: string |
251 | ||
252 | // Check param lang validity | |
253 | if (paramLang && is18nLocale(paramLang)) { | |
254 | lang = paramLang | |
255 | ||
256 | // Save locale in cookies | |
257 | res.cookie('clientLanguage', lang, { | |
6dd9de95 | 258 | secure: WEBSERVER.SCHEME === 'https', |
bc90883f | 259 | sameSite: 'none', |
e032aec9 C |
260 | maxAge: 1000 * 3600 * 24 * 90 // 3 months |
261 | }) | |
262 | ||
263 | } else if (req.cookies.clientLanguage && is18nLocale(req.cookies.clientLanguage)) { | |
264 | lang = req.cookies.clientLanguage | |
265 | } else { | |
266 | lang = req.acceptsLanguages(POSSIBLE_LOCALES) || getDefaultLocale() | |
267 | } | |
268 | ||
269 | return join(__dirname, '../../../client/dist/' + buildFileLocale(lang) + '/index.html') | |
270 | } | |
271 | ||
cf649c2e C |
272 | private static getEmbedPath () { |
273 | return join(__dirname, '../../../client/dist/standalone/videos/embed.html') | |
274 | } | |
275 | ||
7738273b RK |
276 | private static addHtmlLang (htmlStringPage: string, paramLang: string) { |
277 | return htmlStringPage.replace('<html>', `<html lang="${paramLang}">`) | |
278 | } | |
279 | ||
caf2aaf4 K |
280 | private static addManifestContentHash (htmlStringPage: string) { |
281 | return htmlStringPage.replace('[manifestContentHash]', FILES_CONTENT_HASH.MANIFEST) | |
282 | } | |
283 | ||
1fdf8edb | 284 | private static addFaviconContentHash (htmlStringPage: string) { |
caf2aaf4 K |
285 | return htmlStringPage.replace('[faviconContentHash]', FILES_CONTENT_HASH.FAVICON) |
286 | } | |
287 | ||
1fdf8edb | 288 | private static addLogoContentHash (htmlStringPage: string) { |
caf2aaf4 K |
289 | return htmlStringPage.replace('[logoContentHash]', FILES_CONTENT_HASH.LOGO) |
290 | } | |
291 | ||
9aac4423 C |
292 | private static addTitleTag (htmlStringPage: string, title?: string) { |
293 | let text = title || CONFIG.INSTANCE.NAME | |
294 | if (title) text += ` - ${CONFIG.INSTANCE.NAME}` | |
295 | ||
296 | const titleTag = `<title>${text}</title>` | |
e032aec9 C |
297 | |
298 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.TITLE, titleTag) | |
299 | } | |
300 | ||
9aac4423 C |
301 | private static addDescriptionTag (htmlStringPage: string, description?: string) { |
302 | const content = description || CONFIG.INSTANCE.SHORT_DESCRIPTION | |
303 | const descriptionTag = `<meta name="description" content="${content}" />` | |
e032aec9 C |
304 | |
305 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.DESCRIPTION, descriptionTag) | |
306 | } | |
307 | ||
308 | private static addCustomCSS (htmlStringPage: string) { | |
ffb321be | 309 | const styleTag = `<style class="custom-css-style">${CONFIG.INSTANCE.CUSTOMIZATIONS.CSS}</style>` |
e032aec9 C |
310 | |
311 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.CUSTOM_CSS, styleTag) | |
312 | } | |
313 | ||
a8b666e9 C |
314 | private static async addAsyncPluginCSS (htmlStringPage: string) { |
315 | const globalCSSContent = await readFile(PLUGIN_GLOBAL_CSS_PATH) | |
3e753302 | 316 | if (globalCSSContent.byteLength === 0) return htmlStringPage |
a8b666e9 C |
317 | |
318 | const fileHash = sha256(globalCSSContent) | |
319 | const linkTag = `<link rel="stylesheet" href="/plugins/global.css?hash=${fileHash}" />` | |
ffb321be C |
320 | |
321 | return htmlStringPage.replace('</head>', linkTag + '</head>') | |
322 | } | |
323 | ||
6fad8e51 | 324 | private static generateOpenGraphMetaTags (tags: Tags) { |
8d987ec6 K |
325 | const metaTags = { |
326 | 'og:type': tags.ogType, | |
327 | 'og:title': tags.title, | |
328 | 'og:image': tags.image.url | |
329 | } | |
330 | ||
331 | if (tags.image.width && tags.image.height) { | |
332 | metaTags['og:image:width'] = tags.image.width | |
333 | metaTags['og:image:height'] = tags.image.height | |
334 | } | |
e032aec9 | 335 | |
8d987ec6 K |
336 | metaTags['og:url'] = tags.url |
337 | metaTags['og:description'] = tags.description | |
e032aec9 | 338 | |
8d987ec6 K |
339 | if (tags.embed) { |
340 | metaTags['og:video:url'] = tags.embed.url | |
341 | metaTags['og:video:secure_url'] = tags.embed.url | |
342 | metaTags['og:video:type'] = 'text/html' | |
343 | metaTags['og:video:width'] = EMBED_SIZE.width | |
344 | metaTags['og:video:height'] = EMBED_SIZE.height | |
345 | } | |
e032aec9 | 346 | |
8d987ec6 K |
347 | return metaTags |
348 | } | |
e032aec9 | 349 | |
6fad8e51 | 350 | private static generateStandardMetaTags (tags: Tags) { |
8d987ec6 K |
351 | return { |
352 | name: tags.title, | |
353 | description: tags.description, | |
354 | image: tags.image.url | |
355 | } | |
356 | } | |
e032aec9 | 357 | |
6fad8e51 | 358 | private static generateTwitterCardMetaTags (tags: Tags) { |
8d987ec6 K |
359 | const metaTags = { |
360 | 'twitter:card': tags.twitterCard, | |
e032aec9 | 361 | 'twitter:site': CONFIG.SERVICES.TWITTER.USERNAME, |
8d987ec6 K |
362 | 'twitter:title': tags.title, |
363 | 'twitter:description': tags.description, | |
364 | 'twitter:image': tags.image.url | |
e032aec9 C |
365 | } |
366 | ||
8d987ec6 K |
367 | if (tags.image.width && tags.image.height) { |
368 | metaTags['twitter:image:width'] = tags.image.width | |
369 | metaTags['twitter:image:height'] = tags.image.height | |
370 | } | |
371 | ||
b96777c3 C |
372 | if (tags.twitterCard === 'player') { |
373 | metaTags['twitter:player'] = tags.embed.url | |
374 | metaTags['twitter:player:width'] = EMBED_SIZE.width | |
375 | metaTags['twitter:player:height'] = EMBED_SIZE.height | |
376 | } | |
377 | ||
8d987ec6 K |
378 | return metaTags |
379 | } | |
e032aec9 | 380 | |
6fad8e51 | 381 | private static generateSchemaTags (tags: Tags) { |
8d987ec6 | 382 | const schema = { |
e032aec9 | 383 | '@context': 'http://schema.org', |
8d987ec6 K |
384 | '@type': tags.schemaType, |
385 | 'name': tags.title, | |
386 | 'description': tags.description, | |
387 | 'image': tags.image.url, | |
388 | 'url': tags.url | |
389 | } | |
390 | ||
391 | if (tags.list) { | |
392 | schema['numberOfItems'] = tags.list.numberOfItems | |
393 | schema['thumbnailUrl'] = tags.image.url | |
394 | } | |
395 | ||
396 | if (tags.embed) { | |
397 | schema['embedUrl'] = tags.embed.url | |
398 | schema['uploadDate'] = tags.embed.createdAt | |
6fad8e51 C |
399 | |
400 | if (tags.embed.duration) schema['duration'] = tags.embed.duration | |
401 | if (tags.embed.views) schema['iterationCount'] = tags.embed.views | |
402 | ||
8d987ec6 K |
403 | schema['thumbnailUrl'] = tags.image.url |
404 | schema['contentUrl'] = tags.url | |
405 | } | |
406 | ||
407 | return schema | |
408 | } | |
409 | ||
6fad8e51 | 410 | private static addTags (htmlStringPage: string, tagsValues: Tags) { |
8d987ec6 K |
411 | const openGraphMetaTags = this.generateOpenGraphMetaTags(tagsValues) |
412 | const standardMetaTags = this.generateStandardMetaTags(tagsValues) | |
413 | const twitterCardMetaTags = this.generateTwitterCardMetaTags(tagsValues) | |
414 | const schemaTags = this.generateSchemaTags(tagsValues) | |
415 | ||
416 | const { url, title, embed } = tagsValues | |
417 | ||
6fad8e51 | 418 | const oembedLinkTags: { type: string, href: string, title: string }[] = [] |
8d987ec6 K |
419 | |
420 | if (embed) { | |
421 | oembedLinkTags.push({ | |
422 | type: 'application/json+oembed', | |
423 | href: WEBSERVER.URL + '/services/oembed?url=' + encodeURIComponent(url), | |
424 | title | |
425 | }) | |
e032aec9 C |
426 | } |
427 | ||
428 | let tagsString = '' | |
429 | ||
430 | // Opengraph | |
431 | Object.keys(openGraphMetaTags).forEach(tagName => { | |
a1587156 | 432 | const tagValue = openGraphMetaTags[tagName] |
e032aec9 C |
433 | |
434 | tagsString += `<meta property="${tagName}" content="${tagValue}" />` | |
435 | }) | |
436 | ||
8d987ec6 K |
437 | // Standard |
438 | Object.keys(standardMetaTags).forEach(tagName => { | |
439 | const tagValue = standardMetaTags[tagName] | |
440 | ||
441 | tagsString += `<meta property="${tagName}" content="${tagValue}" />` | |
442 | }) | |
443 | ||
444 | // Twitter card | |
445 | Object.keys(twitterCardMetaTags).forEach(tagName => { | |
446 | const tagValue = twitterCardMetaTags[tagName] | |
447 | ||
448 | tagsString += `<meta property="${tagName}" content="${tagValue}" />` | |
449 | }) | |
450 | ||
e032aec9 C |
451 | // OEmbed |
452 | for (const oembedLinkTag of oembedLinkTags) { | |
453 | tagsString += `<link rel="alternate" type="${oembedLinkTag.type}" href="${oembedLinkTag.href}" title="${oembedLinkTag.title}" />` | |
454 | } | |
455 | ||
456 | // Schema.org | |
8d987ec6 K |
457 | if (schemaTags) { |
458 | tagsString += `<script type="application/ld+json">${JSON.stringify(schemaTags)}</script>` | |
459 | } | |
92bf2f62 | 460 | |
8d987ec6 K |
461 | // SEO, use origin URL |
462 | tagsString += `<link rel="canonical" href="${url}" />` | |
92bf2f62 | 463 | |
8d987ec6 | 464 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.META_TAGS, tagsString) |
e032aec9 C |
465 | } |
466 | } |