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1 | import * as express from 'express' | |
2 | import { readFile } from 'fs-extra' | |
3 | import { join } from 'path' | |
4 | import validator from 'validator' | |
5 | import { escapeHTML } from '@shared/core-utils/renderer' | |
6 | import { HTMLServerConfig } from '@shared/models' | |
7 | import { buildFileLocale, getDefaultLocale, is18nLocale, POSSIBLE_LOCALES } from '../../shared/core-utils/i18n/i18n' | |
8 | import { HttpStatusCode } from '../../shared/core-utils/miscs/http-error-codes' | |
9 | import { VideoPlaylistPrivacy, VideoPrivacy } from '../../shared/models/videos' | |
10 | import { isTestInstance, sha256 } from '../helpers/core-utils' | |
11 | import { logger } from '../helpers/logger' | |
12 | import { mdToPlainText } from '../helpers/markdown' | |
13 | import { CONFIG } from '../initializers/config' | |
14 | import { | |
15 | ACCEPT_HEADERS, | |
16 | ACTOR_IMAGES_SIZE, | |
17 | CUSTOM_HTML_TAG_COMMENTS, | |
18 | EMBED_SIZE, | |
19 | FILES_CONTENT_HASH, | |
20 | PLUGIN_GLOBAL_CSS_PATH, | |
21 | WEBSERVER | |
22 | } from '../initializers/constants' | |
23 | import { AccountModel } from '../models/account/account' | |
24 | import { getActivityStreamDuration } from '../models/video/formatter/video-format-utils' | |
25 | import { VideoModel } from '../models/video/video' | |
26 | import { VideoChannelModel } from '../models/video/video-channel' | |
27 | import { VideoPlaylistModel } from '../models/video/video-playlist' | |
28 | import { MAccountActor, MChannelActor } from '../types/models' | |
29 | import { ServerConfigManager } from './server-config-manager' | |
30 | import { toCompleteUUID } from '@server/helpers/custom-validators/misc' | |
31 | ||
32 | type Tags = { | |
33 | ogType: string | |
34 | twitterCard: 'player' | 'summary' | 'summary_large_image' | |
35 | schemaType: string | |
36 | ||
37 | list?: { | |
38 | numberOfItems: number | |
39 | } | |
40 | ||
41 | siteName: string | |
42 | title: string | |
43 | url: string | |
44 | originUrl: string | |
45 | description: string | |
46 | ||
47 | embed?: { | |
48 | url: string | |
49 | createdAt: string | |
50 | duration?: string | |
51 | views?: number | |
52 | } | |
53 | ||
54 | image: { | |
55 | url: string | |
56 | width?: number | |
57 | height?: number | |
58 | } | |
59 | } | |
60 | ||
61 | class ClientHtml { | |
62 | ||
63 | private static htmlCache: { [path: string]: string } = {} | |
64 | ||
65 | static invalidCache () { | |
66 | logger.info('Cleaning HTML cache.') | |
67 | ||
68 | ClientHtml.htmlCache = {} | |
69 | } | |
70 | ||
71 | static async getDefaultHTMLPage (req: express.Request, res: express.Response, paramLang?: string) { | |
72 | const html = paramLang | |
73 | ? await ClientHtml.getIndexHTML(req, res, paramLang) | |
74 | : await ClientHtml.getIndexHTML(req, res) | |
75 | ||
76 | let customHtml = ClientHtml.addTitleTag(html) | |
77 | customHtml = ClientHtml.addDescriptionTag(customHtml) | |
78 | ||
79 | return customHtml | |
80 | } | |
81 | ||
82 | static async getWatchHTMLPage (videoIdArg: string, req: express.Request, res: express.Response) { | |
83 | const videoId = toCompleteUUID(videoIdArg) | |
84 | ||
85 | // Let Angular application handle errors | |
86 | if (!validator.isInt(videoId) && !validator.isUUID(videoId, 4)) { | |
87 | res.status(HttpStatusCode.NOT_FOUND_404) | |
88 | return ClientHtml.getIndexHTML(req, res) | |
89 | } | |
90 | ||
91 | const [ html, video ] = await Promise.all([ | |
92 | ClientHtml.getIndexHTML(req, res), | |
93 | VideoModel.loadWithBlacklist(videoId) | |
94 | ]) | |
95 | ||
96 | // Let Angular application handle errors | |
97 | if (!video || video.privacy === VideoPrivacy.PRIVATE || video.privacy === VideoPrivacy.INTERNAL || video.VideoBlacklist) { | |
98 | res.status(HttpStatusCode.NOT_FOUND_404) | |
99 | return html | |
100 | } | |
101 | ||
102 | let customHtml = ClientHtml.addTitleTag(html, escapeHTML(video.name)) | |
103 | customHtml = ClientHtml.addDescriptionTag(customHtml, mdToPlainText(video.description)) | |
104 | ||
105 | const url = WEBSERVER.URL + video.getWatchStaticPath() | |
106 | const originUrl = video.url | |
107 | const title = escapeHTML(video.name) | |
108 | const siteName = escapeHTML(CONFIG.INSTANCE.NAME) | |
109 | const description = mdToPlainText(video.description) | |
110 | ||
111 | const image = { | |
112 | url: WEBSERVER.URL + video.getPreviewStaticPath() | |
113 | } | |
114 | ||
115 | const embed = { | |
116 | url: WEBSERVER.URL + video.getEmbedStaticPath(), | |
117 | createdAt: video.createdAt.toISOString(), | |
118 | duration: getActivityStreamDuration(video.duration), | |
119 | views: video.views | |
120 | } | |
121 | ||
122 | const ogType = 'video' | |
123 | const twitterCard = CONFIG.SERVICES.TWITTER.WHITELISTED ? 'player' : 'summary_large_image' | |
124 | const schemaType = 'VideoObject' | |
125 | ||
126 | customHtml = ClientHtml.addTags(customHtml, { | |
127 | url, | |
128 | originUrl, | |
129 | siteName, | |
130 | title, | |
131 | description, | |
132 | image, | |
133 | embed, | |
134 | ogType, | |
135 | twitterCard, | |
136 | schemaType | |
137 | }) | |
138 | ||
139 | return customHtml | |
140 | } | |
141 | ||
142 | static async getWatchPlaylistHTMLPage (videoPlaylistIdArg: string, req: express.Request, res: express.Response) { | |
143 | const videoPlaylistId = toCompleteUUID(videoPlaylistIdArg) | |
144 | ||
145 | // Let Angular application handle errors | |
146 | if (!validator.isInt(videoPlaylistId) && !validator.isUUID(videoPlaylistId, 4)) { | |
147 | res.status(HttpStatusCode.NOT_FOUND_404) | |
148 | return ClientHtml.getIndexHTML(req, res) | |
149 | } | |
150 | ||
151 | const [ html, videoPlaylist ] = await Promise.all([ | |
152 | ClientHtml.getIndexHTML(req, res), | |
153 | VideoPlaylistModel.loadWithAccountAndChannel(videoPlaylistId, null) | |
154 | ]) | |
155 | ||
156 | // Let Angular application handle errors | |
157 | if (!videoPlaylist || videoPlaylist.privacy === VideoPlaylistPrivacy.PRIVATE) { | |
158 | res.status(HttpStatusCode.NOT_FOUND_404) | |
159 | return html | |
160 | } | |
161 | ||
162 | let customHtml = ClientHtml.addTitleTag(html, escapeHTML(videoPlaylist.name)) | |
163 | customHtml = ClientHtml.addDescriptionTag(customHtml, mdToPlainText(videoPlaylist.description)) | |
164 | ||
165 | const url = videoPlaylist.getWatchUrl() | |
166 | const originUrl = videoPlaylist.url | |
167 | const title = escapeHTML(videoPlaylist.name) | |
168 | const siteName = escapeHTML(CONFIG.INSTANCE.NAME) | |
169 | const description = mdToPlainText(videoPlaylist.description) | |
170 | ||
171 | const image = { | |
172 | url: videoPlaylist.getThumbnailUrl() | |
173 | } | |
174 | ||
175 | const embed = { | |
176 | url: WEBSERVER.URL + videoPlaylist.getEmbedStaticPath(), | |
177 | createdAt: videoPlaylist.createdAt.toISOString() | |
178 | } | |
179 | ||
180 | const list = { | |
181 | numberOfItems: videoPlaylist.get('videosLength') as number | |
182 | } | |
183 | ||
184 | const ogType = 'video' | |
185 | const twitterCard = CONFIG.SERVICES.TWITTER.WHITELISTED ? 'player' : 'summary' | |
186 | const schemaType = 'ItemList' | |
187 | ||
188 | customHtml = ClientHtml.addTags(customHtml, { | |
189 | url, | |
190 | originUrl, | |
191 | siteName, | |
192 | embed, | |
193 | title, | |
194 | description, | |
195 | image, | |
196 | list, | |
197 | ogType, | |
198 | twitterCard, | |
199 | schemaType | |
200 | }) | |
201 | ||
202 | return customHtml | |
203 | } | |
204 | ||
205 | static async getAccountHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) { | |
206 | const accountModelPromise = AccountModel.loadByNameWithHost(nameWithHost) | |
207 | return this.getAccountOrChannelHTMLPage(() => accountModelPromise, req, res) | |
208 | } | |
209 | ||
210 | static async getVideoChannelHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) { | |
211 | const videoChannelModelPromise = VideoChannelModel.loadByNameWithHostAndPopulateAccount(nameWithHost) | |
212 | return this.getAccountOrChannelHTMLPage(() => videoChannelModelPromise, req, res) | |
213 | } | |
214 | ||
215 | static async getActorHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) { | |
216 | const [ account, channel ] = await Promise.all([ | |
217 | AccountModel.loadByNameWithHost(nameWithHost), | |
218 | VideoChannelModel.loadByNameWithHostAndPopulateAccount(nameWithHost) | |
219 | ]) | |
220 | ||
221 | return this.getAccountOrChannelHTMLPage(() => Promise.resolve(account || channel), req, res) | |
222 | } | |
223 | ||
224 | static async getEmbedHTML () { | |
225 | const path = ClientHtml.getEmbedPath() | |
226 | ||
227 | if (!isTestInstance() && ClientHtml.htmlCache[path]) return ClientHtml.htmlCache[path] | |
228 | ||
229 | const buffer = await readFile(path) | |
230 | const serverConfig = await ServerConfigManager.Instance.getHTMLServerConfig() | |
231 | ||
232 | let html = buffer.toString() | |
233 | html = await ClientHtml.addAsyncPluginCSS(html) | |
234 | html = ClientHtml.addCustomCSS(html) | |
235 | html = ClientHtml.addTitleTag(html) | |
236 | html = ClientHtml.addDescriptionTag(html) | |
237 | html = ClientHtml.addServerConfig(html, serverConfig) | |
238 | ||
239 | ClientHtml.htmlCache[path] = html | |
240 | ||
241 | return html | |
242 | } | |
243 | ||
244 | private static async getAccountOrChannelHTMLPage ( | |
245 | loader: () => Promise<MAccountActor | MChannelActor>, | |
246 | req: express.Request, | |
247 | res: express.Response | |
248 | ) { | |
249 | const [ html, entity ] = await Promise.all([ | |
250 | ClientHtml.getIndexHTML(req, res), | |
251 | loader() | |
252 | ]) | |
253 | ||
254 | // Let Angular application handle errors | |
255 | if (!entity) { | |
256 | res.status(HttpStatusCode.NOT_FOUND_404) | |
257 | return ClientHtml.getIndexHTML(req, res) | |
258 | } | |
259 | ||
260 | let customHtml = ClientHtml.addTitleTag(html, escapeHTML(entity.getDisplayName())) | |
261 | customHtml = ClientHtml.addDescriptionTag(customHtml, mdToPlainText(entity.description)) | |
262 | ||
263 | const url = entity.getLocalUrl() | |
264 | const originUrl = entity.Actor.url | |
265 | const siteName = escapeHTML(CONFIG.INSTANCE.NAME) | |
266 | const title = escapeHTML(entity.getDisplayName()) | |
267 | const description = mdToPlainText(entity.description) | |
268 | ||
269 | const image = { | |
270 | url: entity.Actor.getAvatarUrl(), | |
271 | width: ACTOR_IMAGES_SIZE.AVATARS.width, | |
272 | height: ACTOR_IMAGES_SIZE.AVATARS.height | |
273 | } | |
274 | ||
275 | const ogType = 'website' | |
276 | const twitterCard = 'summary' | |
277 | const schemaType = 'ProfilePage' | |
278 | ||
279 | customHtml = ClientHtml.addTags(customHtml, { | |
280 | url, | |
281 | originUrl, | |
282 | title, | |
283 | siteName, | |
284 | description, | |
285 | image, | |
286 | ogType, | |
287 | twitterCard, | |
288 | schemaType | |
289 | }) | |
290 | ||
291 | return customHtml | |
292 | } | |
293 | ||
294 | private static async getIndexHTML (req: express.Request, res: express.Response, paramLang?: string) { | |
295 | const path = ClientHtml.getIndexPath(req, res, paramLang) | |
296 | if (!isTestInstance() && ClientHtml.htmlCache[path]) return ClientHtml.htmlCache[path] | |
297 | ||
298 | const buffer = await readFile(path) | |
299 | const serverConfig = await ServerConfigManager.Instance.getHTMLServerConfig() | |
300 | ||
301 | let html = buffer.toString() | |
302 | ||
303 | if (paramLang) html = ClientHtml.addHtmlLang(html, paramLang) | |
304 | html = ClientHtml.addManifestContentHash(html) | |
305 | html = ClientHtml.addFaviconContentHash(html) | |
306 | html = ClientHtml.addLogoContentHash(html) | |
307 | html = ClientHtml.addCustomCSS(html) | |
308 | html = ClientHtml.addServerConfig(html, serverConfig) | |
309 | html = await ClientHtml.addAsyncPluginCSS(html) | |
310 | ||
311 | ClientHtml.htmlCache[path] = html | |
312 | ||
313 | return html | |
314 | } | |
315 | ||
316 | private static getIndexPath (req: express.Request, res: express.Response, paramLang: string) { | |
317 | let lang: string | |
318 | ||
319 | // Check param lang validity | |
320 | if (paramLang && is18nLocale(paramLang)) { | |
321 | lang = paramLang | |
322 | ||
323 | // Save locale in cookies | |
324 | res.cookie('clientLanguage', lang, { | |
325 | secure: WEBSERVER.SCHEME === 'https', | |
326 | sameSite: 'none', | |
327 | maxAge: 1000 * 3600 * 24 * 90 // 3 months | |
328 | }) | |
329 | ||
330 | } else if (req.cookies.clientLanguage && is18nLocale(req.cookies.clientLanguage)) { | |
331 | lang = req.cookies.clientLanguage | |
332 | } else { | |
333 | lang = req.acceptsLanguages(POSSIBLE_LOCALES) || getDefaultLocale() | |
334 | } | |
335 | ||
336 | return join(__dirname, '../../../client/dist/' + buildFileLocale(lang) + '/index.html') | |
337 | } | |
338 | ||
339 | private static getEmbedPath () { | |
340 | return join(__dirname, '../../../client/dist/standalone/videos/embed.html') | |
341 | } | |
342 | ||
343 | private static addHtmlLang (htmlStringPage: string, paramLang: string) { | |
344 | return htmlStringPage.replace('<html>', `<html lang="${paramLang}">`) | |
345 | } | |
346 | ||
347 | private static addManifestContentHash (htmlStringPage: string) { | |
348 | return htmlStringPage.replace('[manifestContentHash]', FILES_CONTENT_HASH.MANIFEST) | |
349 | } | |
350 | ||
351 | private static addFaviconContentHash (htmlStringPage: string) { | |
352 | return htmlStringPage.replace('[faviconContentHash]', FILES_CONTENT_HASH.FAVICON) | |
353 | } | |
354 | ||
355 | private static addLogoContentHash (htmlStringPage: string) { | |
356 | return htmlStringPage.replace('[logoContentHash]', FILES_CONTENT_HASH.LOGO) | |
357 | } | |
358 | ||
359 | private static addTitleTag (htmlStringPage: string, title?: string) { | |
360 | let text = title || CONFIG.INSTANCE.NAME | |
361 | if (title) text += ` - ${CONFIG.INSTANCE.NAME}` | |
362 | ||
363 | const titleTag = `<title>${text}</title>` | |
364 | ||
365 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.TITLE, titleTag) | |
366 | } | |
367 | ||
368 | private static addDescriptionTag (htmlStringPage: string, description?: string) { | |
369 | const content = description || CONFIG.INSTANCE.SHORT_DESCRIPTION | |
370 | const descriptionTag = `<meta name="description" content="${content}" />` | |
371 | ||
372 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.DESCRIPTION, descriptionTag) | |
373 | } | |
374 | ||
375 | private static addCustomCSS (htmlStringPage: string) { | |
376 | const styleTag = `<style class="custom-css-style">${CONFIG.INSTANCE.CUSTOMIZATIONS.CSS}</style>` | |
377 | ||
378 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.CUSTOM_CSS, styleTag) | |
379 | } | |
380 | ||
381 | private static addServerConfig (htmlStringPage: string, serverConfig: HTMLServerConfig) { | |
382 | const serverConfigString = JSON.stringify(serverConfig) | |
383 | const configScriptTag = `<script type="application/javascript">window.PeerTubeServerConfig = '${serverConfigString}'</script>` | |
384 | ||
385 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.SERVER_CONFIG, configScriptTag) | |
386 | } | |
387 | ||
388 | private static async addAsyncPluginCSS (htmlStringPage: string) { | |
389 | const globalCSSContent = await readFile(PLUGIN_GLOBAL_CSS_PATH) | |
390 | if (globalCSSContent.byteLength === 0) return htmlStringPage | |
391 | ||
392 | const fileHash = sha256(globalCSSContent) | |
393 | const linkTag = `<link rel="stylesheet" href="/plugins/global.css?hash=${fileHash}" />` | |
394 | ||
395 | return htmlStringPage.replace('</head>', linkTag + '</head>') | |
396 | } | |
397 | ||
398 | private static generateOpenGraphMetaTags (tags: Tags) { | |
399 | const metaTags = { | |
400 | 'og:type': tags.ogType, | |
401 | 'og:site_name': tags.siteName, | |
402 | 'og:title': tags.title, | |
403 | 'og:image': tags.image.url | |
404 | } | |
405 | ||
406 | if (tags.image.width && tags.image.height) { | |
407 | metaTags['og:image:width'] = tags.image.width | |
408 | metaTags['og:image:height'] = tags.image.height | |
409 | } | |
410 | ||
411 | metaTags['og:url'] = tags.url | |
412 | metaTags['og:description'] = mdToPlainText(tags.description) | |
413 | ||
414 | if (tags.embed) { | |
415 | metaTags['og:video:url'] = tags.embed.url | |
416 | metaTags['og:video:secure_url'] = tags.embed.url | |
417 | metaTags['og:video:type'] = 'text/html' | |
418 | metaTags['og:video:width'] = EMBED_SIZE.width | |
419 | metaTags['og:video:height'] = EMBED_SIZE.height | |
420 | } | |
421 | ||
422 | return metaTags | |
423 | } | |
424 | ||
425 | private static generateStandardMetaTags (tags: Tags) { | |
426 | return { | |
427 | name: tags.title, | |
428 | description: mdToPlainText(tags.description), | |
429 | image: tags.image.url | |
430 | } | |
431 | } | |
432 | ||
433 | private static generateTwitterCardMetaTags (tags: Tags) { | |
434 | const metaTags = { | |
435 | 'twitter:card': tags.twitterCard, | |
436 | 'twitter:site': CONFIG.SERVICES.TWITTER.USERNAME, | |
437 | 'twitter:title': tags.title, | |
438 | 'twitter:description': tags.description, | |
439 | 'twitter:image': tags.image.url | |
440 | } | |
441 | ||
442 | if (tags.image.width && tags.image.height) { | |
443 | metaTags['twitter:image:width'] = tags.image.width | |
444 | metaTags['twitter:image:height'] = tags.image.height | |
445 | } | |
446 | ||
447 | if (tags.twitterCard === 'player') { | |
448 | metaTags['twitter:player'] = tags.embed.url | |
449 | metaTags['twitter:player:width'] = EMBED_SIZE.width | |
450 | metaTags['twitter:player:height'] = EMBED_SIZE.height | |
451 | } | |
452 | ||
453 | return metaTags | |
454 | } | |
455 | ||
456 | private static generateSchemaTags (tags: Tags) { | |
457 | const schema = { | |
458 | '@context': 'http://schema.org', | |
459 | '@type': tags.schemaType, | |
460 | 'name': tags.title, | |
461 | 'description': tags.description, | |
462 | 'image': tags.image.url, | |
463 | 'url': tags.url | |
464 | } | |
465 | ||
466 | if (tags.list) { | |
467 | schema['numberOfItems'] = tags.list.numberOfItems | |
468 | schema['thumbnailUrl'] = tags.image.url | |
469 | } | |
470 | ||
471 | if (tags.embed) { | |
472 | schema['embedUrl'] = tags.embed.url | |
473 | schema['uploadDate'] = tags.embed.createdAt | |
474 | ||
475 | if (tags.embed.duration) schema['duration'] = tags.embed.duration | |
476 | if (tags.embed.views) schema['iterationCount'] = tags.embed.views | |
477 | ||
478 | schema['thumbnailUrl'] = tags.image.url | |
479 | schema['contentUrl'] = tags.url | |
480 | } | |
481 | ||
482 | return schema | |
483 | } | |
484 | ||
485 | private static addTags (htmlStringPage: string, tagsValues: Tags) { | |
486 | const openGraphMetaTags = this.generateOpenGraphMetaTags(tagsValues) | |
487 | const standardMetaTags = this.generateStandardMetaTags(tagsValues) | |
488 | const twitterCardMetaTags = this.generateTwitterCardMetaTags(tagsValues) | |
489 | const schemaTags = this.generateSchemaTags(tagsValues) | |
490 | ||
491 | const { url, title, embed, originUrl } = tagsValues | |
492 | ||
493 | const oembedLinkTags: { type: string, href: string, title: string }[] = [] | |
494 | ||
495 | if (embed) { | |
496 | oembedLinkTags.push({ | |
497 | type: 'application/json+oembed', | |
498 | href: WEBSERVER.URL + '/services/oembed?url=' + encodeURIComponent(url), | |
499 | title | |
500 | }) | |
501 | } | |
502 | ||
503 | let tagsString = '' | |
504 | ||
505 | // Opengraph | |
506 | Object.keys(openGraphMetaTags).forEach(tagName => { | |
507 | const tagValue = openGraphMetaTags[tagName] | |
508 | ||
509 | tagsString += `<meta property="${tagName}" content="${tagValue}" />` | |
510 | }) | |
511 | ||
512 | // Standard | |
513 | Object.keys(standardMetaTags).forEach(tagName => { | |
514 | const tagValue = standardMetaTags[tagName] | |
515 | ||
516 | tagsString += `<meta property="${tagName}" content="${tagValue}" />` | |
517 | }) | |
518 | ||
519 | // Twitter card | |
520 | Object.keys(twitterCardMetaTags).forEach(tagName => { | |
521 | const tagValue = twitterCardMetaTags[tagName] | |
522 | ||
523 | tagsString += `<meta property="${tagName}" content="${tagValue}" />` | |
524 | }) | |
525 | ||
526 | // OEmbed | |
527 | for (const oembedLinkTag of oembedLinkTags) { | |
528 | tagsString += `<link rel="alternate" type="${oembedLinkTag.type}" href="${oembedLinkTag.href}" title="${oembedLinkTag.title}" />` | |
529 | } | |
530 | ||
531 | // Schema.org | |
532 | if (schemaTags) { | |
533 | tagsString += `<script type="application/ld+json">${JSON.stringify(schemaTags)}</script>` | |
534 | } | |
535 | ||
536 | // SEO, use origin URL | |
537 | tagsString += `<link rel="canonical" href="${originUrl}" />` | |
538 | ||
539 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.META_TAGS, tagsString) | |
540 | } | |
541 | } | |
542 | ||
543 | function sendHTML (html: string, res: express.Response) { | |
544 | res.set('Content-Type', 'text/html; charset=UTF-8') | |
545 | ||
546 | return res.send(html) | |
547 | } | |
548 | ||
549 | async function serveIndexHTML (req: express.Request, res: express.Response) { | |
550 | if (req.accepts(ACCEPT_HEADERS) === 'html' || | |
551 | !req.headers.accept) { | |
552 | try { | |
553 | await generateHTMLPage(req, res, req.params.language) | |
554 | return | |
555 | } catch (err) { | |
556 | logger.error('Cannot generate HTML page.', err) | |
557 | return res.status(HttpStatusCode.INTERNAL_SERVER_ERROR_500).end() | |
558 | } | |
559 | } | |
560 | ||
561 | return res.status(HttpStatusCode.NOT_ACCEPTABLE_406).end() | |
562 | } | |
563 | ||
564 | // --------------------------------------------------------------------------- | |
565 | ||
566 | export { | |
567 | ClientHtml, | |
568 | sendHTML, | |
569 | serveIndexHTML | |
570 | } | |
571 | ||
572 | async function generateHTMLPage (req: express.Request, res: express.Response, paramLang?: string) { | |
573 | const html = await ClientHtml.getDefaultHTMLPage(req, res, paramLang) | |
574 | ||
575 | return sendHTML(html, res) | |
576 | } |