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e032aec9 | 1 | import * as express from 'express' |
b49f22d8 C |
2 | import { readFile } from 'fs-extra' |
3 | import { join } from 'path' | |
4 | import validator from 'validator' | |
bd45d503 | 5 | import { buildFileLocale, getDefaultLocale, is18nLocale, POSSIBLE_LOCALES } from '../../shared/core-utils/i18n/i18n' |
b49f22d8 C |
6 | import { HttpStatusCode } from '../../shared/core-utils/miscs/http-error-codes' |
7 | import { VideoPlaylistPrivacy, VideoPrivacy } from '../../shared/models/videos' | |
8 | import { escapeHTML, isTestInstance, sha256 } from '../helpers/core-utils' | |
9 | import { logger } from '../helpers/logger' | |
10 | import { CONFIG } from '../initializers/config' | |
8d987ec6 | 11 | import { |
b49f22d8 | 12 | ACCEPT_HEADERS, |
8d987ec6 K |
13 | AVATARS_SIZE, |
14 | CUSTOM_HTML_TAG_COMMENTS, | |
15 | EMBED_SIZE, | |
f2eb23cd | 16 | FILES_CONTENT_HASH, |
b49f22d8 C |
17 | PLUGIN_GLOBAL_CSS_PATH, |
18 | WEBSERVER | |
8d987ec6 | 19 | } from '../initializers/constants' |
92bf2f62 | 20 | import { AccountModel } from '../models/account/account' |
b49f22d8 | 21 | import { VideoModel } from '../models/video/video' |
92bf2f62 | 22 | import { VideoChannelModel } from '../models/video/video-channel' |
b49f22d8 C |
23 | import { getActivityStreamDuration } from '../models/video/video-format-utils' |
24 | import { VideoPlaylistModel } from '../models/video/video-playlist' | |
8d987ec6 | 25 | import { MAccountActor, MChannelActor } from '../types/models' |
e032aec9 | 26 | |
6fad8e51 C |
27 | type Tags = { |
28 | ogType: string | |
b96777c3 | 29 | twitterCard: 'player' | 'summary' | 'summary_large_image' |
6fad8e51 C |
30 | schemaType: string |
31 | ||
32 | list?: { | |
33 | numberOfItems: number | |
34 | } | |
35 | ||
865af3fd | 36 | siteName: string |
6fad8e51 C |
37 | title: string |
38 | url: string | |
106fa224 | 39 | originUrl: string |
6fad8e51 C |
40 | description: string |
41 | ||
42 | embed?: { | |
43 | url: string | |
44 | createdAt: string | |
45 | duration?: string | |
46 | views?: number | |
47 | } | |
48 | ||
49 | image: { | |
50 | url: string | |
51 | width?: number | |
52 | height?: number | |
53 | } | |
54 | } | |
55 | ||
f2eb23cd | 56 | class ClientHtml { |
e032aec9 | 57 | |
a1587156 | 58 | private static htmlCache: { [path: string]: string } = {} |
e032aec9 C |
59 | |
60 | static invalidCache () { | |
3e753302 C |
61 | logger.info('Cleaning HTML cache.') |
62 | ||
e032aec9 C |
63 | ClientHtml.htmlCache = {} |
64 | } | |
65 | ||
9aac4423 | 66 | static async getDefaultHTMLPage (req: express.Request, res: express.Response, paramLang?: string) { |
7738273b RK |
67 | const html = paramLang |
68 | ? await ClientHtml.getIndexHTML(req, res, paramLang) | |
69 | : await ClientHtml.getIndexHTML(req, res) | |
e032aec9 | 70 | |
9aac4423 C |
71 | let customHtml = ClientHtml.addTitleTag(html) |
72 | customHtml = ClientHtml.addDescriptionTag(customHtml) | |
e032aec9 | 73 | |
9aac4423 | 74 | return customHtml |
e032aec9 C |
75 | } |
76 | ||
77 | static async getWatchHTMLPage (videoId: string, req: express.Request, res: express.Response) { | |
e032aec9 | 78 | // Let Angular application handle errors |
92bf2f62 | 79 | if (!validator.isInt(videoId) && !validator.isUUID(videoId, 4)) { |
2d53be02 | 80 | res.status(HttpStatusCode.NOT_FOUND_404) |
e032aec9 C |
81 | return ClientHtml.getIndexHTML(req, res) |
82 | } | |
83 | ||
84 | const [ html, video ] = await Promise.all([ | |
85 | ClientHtml.getIndexHTML(req, res), | |
d636ab58 | 86 | VideoModel.loadWithBlacklist(videoId) |
e032aec9 C |
87 | ]) |
88 | ||
89 | // Let Angular application handle errors | |
22a73cb8 | 90 | if (!video || video.privacy === VideoPrivacy.PRIVATE || video.privacy === VideoPrivacy.INTERNAL || video.VideoBlacklist) { |
2d53be02 | 91 | res.status(HttpStatusCode.NOT_FOUND_404) |
c08579e1 | 92 | return html |
e032aec9 C |
93 | } |
94 | ||
9aac4423 C |
95 | let customHtml = ClientHtml.addTitleTag(html, escapeHTML(video.name)) |
96 | customHtml = ClientHtml.addDescriptionTag(customHtml, escapeHTML(video.description)) | |
8d987ec6 K |
97 | |
98 | const url = WEBSERVER.URL + video.getWatchStaticPath() | |
106fa224 | 99 | const originUrl = video.url |
8d987ec6 | 100 | const title = escapeHTML(video.name) |
865af3fd | 101 | const siteName = escapeHTML(CONFIG.INSTANCE.NAME) |
8d987ec6 K |
102 | const description = escapeHTML(video.description) |
103 | ||
104 | const image = { | |
105 | url: WEBSERVER.URL + video.getPreviewStaticPath() | |
106 | } | |
107 | ||
108 | const embed = { | |
109 | url: WEBSERVER.URL + video.getEmbedStaticPath(), | |
110 | createdAt: video.createdAt.toISOString(), | |
111 | duration: getActivityStreamDuration(video.duration), | |
112 | views: video.views | |
113 | } | |
114 | ||
115 | const ogType = 'video' | |
116 | const twitterCard = CONFIG.SERVICES.TWITTER.WHITELISTED ? 'player' : 'summary_large_image' | |
117 | const schemaType = 'VideoObject' | |
118 | ||
106fa224 | 119 | customHtml = ClientHtml.addTags(customHtml, { |
a59f210f C |
120 | url, |
121 | originUrl, | |
122 | siteName, | |
123 | title, | |
124 | description, | |
125 | image, | |
126 | embed, | |
127 | ogType, | |
128 | twitterCard, | |
129 | schemaType | |
106fa224 | 130 | }) |
8d987ec6 K |
131 | |
132 | return customHtml | |
133 | } | |
134 | ||
135 | static async getWatchPlaylistHTMLPage (videoPlaylistId: string, req: express.Request, res: express.Response) { | |
136 | // Let Angular application handle errors | |
137 | if (!validator.isInt(videoPlaylistId) && !validator.isUUID(videoPlaylistId, 4)) { | |
2d53be02 | 138 | res.status(HttpStatusCode.NOT_FOUND_404) |
8d987ec6 K |
139 | return ClientHtml.getIndexHTML(req, res) |
140 | } | |
141 | ||
142 | const [ html, videoPlaylist ] = await Promise.all([ | |
143 | ClientHtml.getIndexHTML(req, res), | |
144 | VideoPlaylistModel.loadWithAccountAndChannel(videoPlaylistId, null) | |
145 | ]) | |
146 | ||
147 | // Let Angular application handle errors | |
148 | if (!videoPlaylist || videoPlaylist.privacy === VideoPlaylistPrivacy.PRIVATE) { | |
2d53be02 | 149 | res.status(HttpStatusCode.NOT_FOUND_404) |
8d987ec6 K |
150 | return html |
151 | } | |
152 | ||
153 | let customHtml = ClientHtml.addTitleTag(html, escapeHTML(videoPlaylist.name)) | |
154 | customHtml = ClientHtml.addDescriptionTag(customHtml, escapeHTML(videoPlaylist.description)) | |
155 | ||
156 | const url = videoPlaylist.getWatchUrl() | |
106fa224 | 157 | const originUrl = videoPlaylist.url |
8d987ec6 | 158 | const title = escapeHTML(videoPlaylist.name) |
865af3fd | 159 | const siteName = escapeHTML(CONFIG.INSTANCE.NAME) |
8d987ec6 K |
160 | const description = escapeHTML(videoPlaylist.description) |
161 | ||
162 | const image = { | |
163 | url: videoPlaylist.getThumbnailUrl() | |
164 | } | |
165 | ||
6fad8e51 C |
166 | const embed = { |
167 | url: WEBSERVER.URL + videoPlaylist.getEmbedStaticPath(), | |
168 | createdAt: videoPlaylist.createdAt.toISOString() | |
169 | } | |
170 | ||
8d987ec6 | 171 | const list = { |
6fad8e51 | 172 | numberOfItems: videoPlaylist.get('videosLength') as number |
8d987ec6 K |
173 | } |
174 | ||
175 | const ogType = 'video' | |
6fad8e51 | 176 | const twitterCard = CONFIG.SERVICES.TWITTER.WHITELISTED ? 'player' : 'summary' |
8d987ec6 K |
177 | const schemaType = 'ItemList' |
178 | ||
106fa224 | 179 | customHtml = ClientHtml.addTags(customHtml, { |
a59f210f C |
180 | url, |
181 | originUrl, | |
182 | siteName, | |
183 | embed, | |
184 | title, | |
185 | description, | |
186 | image, | |
187 | list, | |
188 | ogType, | |
189 | twitterCard, | |
190 | schemaType | |
106fa224 | 191 | }) |
92bf2f62 C |
192 | |
193 | return customHtml | |
194 | } | |
195 | ||
196 | static async getAccountHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) { | |
197 | return this.getAccountOrChannelHTMLPage(() => AccountModel.loadByNameWithHost(nameWithHost), req, res) | |
198 | } | |
199 | ||
200 | static async getVideoChannelHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) { | |
201 | return this.getAccountOrChannelHTMLPage(() => VideoChannelModel.loadByNameWithHostAndPopulateAccount(nameWithHost), req, res) | |
202 | } | |
203 | ||
cf649c2e C |
204 | static async getEmbedHTML () { |
205 | const path = ClientHtml.getEmbedPath() | |
cf649c2e | 206 | |
b9da21bd | 207 | if (!isTestInstance() && ClientHtml.htmlCache[path]) return ClientHtml.htmlCache[path] |
cf649c2e C |
208 | |
209 | const buffer = await readFile(path) | |
210 | ||
211 | let html = buffer.toString() | |
212 | html = await ClientHtml.addAsyncPluginCSS(html) | |
2564d97e | 213 | html = ClientHtml.addCustomCSS(html) |
915e2bbb | 214 | html = ClientHtml.addTitleTag(html) |
cf649c2e C |
215 | |
216 | ClientHtml.htmlCache[path] = html | |
217 | ||
218 | return html | |
219 | } | |
220 | ||
92bf2f62 | 221 | private static async getAccountOrChannelHTMLPage ( |
b49f22d8 | 222 | loader: () => Promise<MAccountActor | MChannelActor>, |
92bf2f62 C |
223 | req: express.Request, |
224 | res: express.Response | |
225 | ) { | |
226 | const [ html, entity ] = await Promise.all([ | |
227 | ClientHtml.getIndexHTML(req, res), | |
228 | loader() | |
229 | ]) | |
230 | ||
231 | // Let Angular application handle errors | |
232 | if (!entity) { | |
2d53be02 | 233 | res.status(HttpStatusCode.NOT_FOUND_404) |
92bf2f62 C |
234 | return ClientHtml.getIndexHTML(req, res) |
235 | } | |
236 | ||
237 | let customHtml = ClientHtml.addTitleTag(html, escapeHTML(entity.getDisplayName())) | |
238 | customHtml = ClientHtml.addDescriptionTag(customHtml, escapeHTML(entity.description)) | |
8d987ec6 | 239 | |
a59f210f | 240 | const url = entity.getLocalUrl() |
106fa224 | 241 | const originUrl = entity.Actor.url |
865af3fd | 242 | const siteName = escapeHTML(CONFIG.INSTANCE.NAME) |
8d987ec6 K |
243 | const title = escapeHTML(entity.getDisplayName()) |
244 | const description = escapeHTML(entity.description) | |
245 | ||
246 | const image = { | |
247 | url: entity.Actor.getAvatarUrl(), | |
248 | width: AVATARS_SIZE.width, | |
249 | height: AVATARS_SIZE.height | |
250 | } | |
251 | ||
252 | const ogType = 'website' | |
253 | const twitterCard = 'summary' | |
254 | const schemaType = 'ProfilePage' | |
255 | ||
a59f210f C |
256 | customHtml = ClientHtml.addTags(customHtml, { |
257 | url, | |
258 | originUrl, | |
259 | title, | |
260 | siteName, | |
261 | description, | |
262 | image, | |
263 | ogType, | |
264 | twitterCard, | |
265 | schemaType | |
266 | }) | |
9aac4423 C |
267 | |
268 | return customHtml | |
269 | } | |
270 | ||
271 | private static async getIndexHTML (req: express.Request, res: express.Response, paramLang?: string) { | |
272 | const path = ClientHtml.getIndexPath(req, res, paramLang) | |
b9da21bd | 273 | if (!isTestInstance() && ClientHtml.htmlCache[path]) return ClientHtml.htmlCache[path] |
9aac4423 C |
274 | |
275 | const buffer = await readFile(path) | |
276 | ||
277 | let html = buffer.toString() | |
278 | ||
7738273b | 279 | if (paramLang) html = ClientHtml.addHtmlLang(html, paramLang) |
caf2aaf4 K |
280 | html = ClientHtml.addManifestContentHash(html) |
281 | html = ClientHtml.addFaviconContentHash(html) | |
282 | html = ClientHtml.addLogoContentHash(html) | |
9aac4423 | 283 | html = ClientHtml.addCustomCSS(html) |
a8b666e9 | 284 | html = await ClientHtml.addAsyncPluginCSS(html) |
9aac4423 | 285 | |
a1587156 | 286 | ClientHtml.htmlCache[path] = html |
9aac4423 C |
287 | |
288 | return html | |
e032aec9 C |
289 | } |
290 | ||
7738273b | 291 | private static getIndexPath (req: express.Request, res: express.Response, paramLang: string) { |
e032aec9 C |
292 | let lang: string |
293 | ||
294 | // Check param lang validity | |
295 | if (paramLang && is18nLocale(paramLang)) { | |
296 | lang = paramLang | |
297 | ||
298 | // Save locale in cookies | |
299 | res.cookie('clientLanguage', lang, { | |
6dd9de95 | 300 | secure: WEBSERVER.SCHEME === 'https', |
bc90883f | 301 | sameSite: 'none', |
e032aec9 C |
302 | maxAge: 1000 * 3600 * 24 * 90 // 3 months |
303 | }) | |
304 | ||
305 | } else if (req.cookies.clientLanguage && is18nLocale(req.cookies.clientLanguage)) { | |
306 | lang = req.cookies.clientLanguage | |
307 | } else { | |
308 | lang = req.acceptsLanguages(POSSIBLE_LOCALES) || getDefaultLocale() | |
309 | } | |
310 | ||
311 | return join(__dirname, '../../../client/dist/' + buildFileLocale(lang) + '/index.html') | |
312 | } | |
313 | ||
cf649c2e C |
314 | private static getEmbedPath () { |
315 | return join(__dirname, '../../../client/dist/standalone/videos/embed.html') | |
316 | } | |
317 | ||
7738273b RK |
318 | private static addHtmlLang (htmlStringPage: string, paramLang: string) { |
319 | return htmlStringPage.replace('<html>', `<html lang="${paramLang}">`) | |
320 | } | |
321 | ||
caf2aaf4 K |
322 | private static addManifestContentHash (htmlStringPage: string) { |
323 | return htmlStringPage.replace('[manifestContentHash]', FILES_CONTENT_HASH.MANIFEST) | |
324 | } | |
325 | ||
1fdf8edb | 326 | private static addFaviconContentHash (htmlStringPage: string) { |
caf2aaf4 K |
327 | return htmlStringPage.replace('[faviconContentHash]', FILES_CONTENT_HASH.FAVICON) |
328 | } | |
329 | ||
1fdf8edb | 330 | private static addLogoContentHash (htmlStringPage: string) { |
caf2aaf4 K |
331 | return htmlStringPage.replace('[logoContentHash]', FILES_CONTENT_HASH.LOGO) |
332 | } | |
333 | ||
9aac4423 C |
334 | private static addTitleTag (htmlStringPage: string, title?: string) { |
335 | let text = title || CONFIG.INSTANCE.NAME | |
336 | if (title) text += ` - ${CONFIG.INSTANCE.NAME}` | |
337 | ||
338 | const titleTag = `<title>${text}</title>` | |
e032aec9 C |
339 | |
340 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.TITLE, titleTag) | |
341 | } | |
342 | ||
9aac4423 C |
343 | private static addDescriptionTag (htmlStringPage: string, description?: string) { |
344 | const content = description || CONFIG.INSTANCE.SHORT_DESCRIPTION | |
345 | const descriptionTag = `<meta name="description" content="${content}" />` | |
e032aec9 C |
346 | |
347 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.DESCRIPTION, descriptionTag) | |
348 | } | |
349 | ||
350 | private static addCustomCSS (htmlStringPage: string) { | |
ffb321be | 351 | const styleTag = `<style class="custom-css-style">${CONFIG.INSTANCE.CUSTOMIZATIONS.CSS}</style>` |
e032aec9 C |
352 | |
353 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.CUSTOM_CSS, styleTag) | |
354 | } | |
355 | ||
a8b666e9 C |
356 | private static async addAsyncPluginCSS (htmlStringPage: string) { |
357 | const globalCSSContent = await readFile(PLUGIN_GLOBAL_CSS_PATH) | |
3e753302 | 358 | if (globalCSSContent.byteLength === 0) return htmlStringPage |
a8b666e9 C |
359 | |
360 | const fileHash = sha256(globalCSSContent) | |
361 | const linkTag = `<link rel="stylesheet" href="/plugins/global.css?hash=${fileHash}" />` | |
ffb321be C |
362 | |
363 | return htmlStringPage.replace('</head>', linkTag + '</head>') | |
364 | } | |
365 | ||
6fad8e51 | 366 | private static generateOpenGraphMetaTags (tags: Tags) { |
8d987ec6 K |
367 | const metaTags = { |
368 | 'og:type': tags.ogType, | |
865af3fd | 369 | 'og:site_name': tags.siteName, |
8d987ec6 K |
370 | 'og:title': tags.title, |
371 | 'og:image': tags.image.url | |
372 | } | |
373 | ||
374 | if (tags.image.width && tags.image.height) { | |
375 | metaTags['og:image:width'] = tags.image.width | |
376 | metaTags['og:image:height'] = tags.image.height | |
377 | } | |
e032aec9 | 378 | |
8d987ec6 K |
379 | metaTags['og:url'] = tags.url |
380 | metaTags['og:description'] = tags.description | |
e032aec9 | 381 | |
8d987ec6 K |
382 | if (tags.embed) { |
383 | metaTags['og:video:url'] = tags.embed.url | |
384 | metaTags['og:video:secure_url'] = tags.embed.url | |
385 | metaTags['og:video:type'] = 'text/html' | |
386 | metaTags['og:video:width'] = EMBED_SIZE.width | |
387 | metaTags['og:video:height'] = EMBED_SIZE.height | |
388 | } | |
e032aec9 | 389 | |
8d987ec6 K |
390 | return metaTags |
391 | } | |
e032aec9 | 392 | |
6fad8e51 | 393 | private static generateStandardMetaTags (tags: Tags) { |
8d987ec6 K |
394 | return { |
395 | name: tags.title, | |
396 | description: tags.description, | |
397 | image: tags.image.url | |
398 | } | |
399 | } | |
e032aec9 | 400 | |
6fad8e51 | 401 | private static generateTwitterCardMetaTags (tags: Tags) { |
8d987ec6 K |
402 | const metaTags = { |
403 | 'twitter:card': tags.twitterCard, | |
e032aec9 | 404 | 'twitter:site': CONFIG.SERVICES.TWITTER.USERNAME, |
8d987ec6 K |
405 | 'twitter:title': tags.title, |
406 | 'twitter:description': tags.description, | |
407 | 'twitter:image': tags.image.url | |
e032aec9 C |
408 | } |
409 | ||
8d987ec6 K |
410 | if (tags.image.width && tags.image.height) { |
411 | metaTags['twitter:image:width'] = tags.image.width | |
412 | metaTags['twitter:image:height'] = tags.image.height | |
413 | } | |
414 | ||
b96777c3 C |
415 | if (tags.twitterCard === 'player') { |
416 | metaTags['twitter:player'] = tags.embed.url | |
417 | metaTags['twitter:player:width'] = EMBED_SIZE.width | |
418 | metaTags['twitter:player:height'] = EMBED_SIZE.height | |
419 | } | |
420 | ||
8d987ec6 K |
421 | return metaTags |
422 | } | |
e032aec9 | 423 | |
6fad8e51 | 424 | private static generateSchemaTags (tags: Tags) { |
8d987ec6 | 425 | const schema = { |
e032aec9 | 426 | '@context': 'http://schema.org', |
8d987ec6 K |
427 | '@type': tags.schemaType, |
428 | 'name': tags.title, | |
429 | 'description': tags.description, | |
430 | 'image': tags.image.url, | |
431 | 'url': tags.url | |
432 | } | |
433 | ||
434 | if (tags.list) { | |
435 | schema['numberOfItems'] = tags.list.numberOfItems | |
436 | schema['thumbnailUrl'] = tags.image.url | |
437 | } | |
438 | ||
439 | if (tags.embed) { | |
440 | schema['embedUrl'] = tags.embed.url | |
441 | schema['uploadDate'] = tags.embed.createdAt | |
6fad8e51 C |
442 | |
443 | if (tags.embed.duration) schema['duration'] = tags.embed.duration | |
444 | if (tags.embed.views) schema['iterationCount'] = tags.embed.views | |
445 | ||
8d987ec6 K |
446 | schema['thumbnailUrl'] = tags.image.url |
447 | schema['contentUrl'] = tags.url | |
448 | } | |
449 | ||
450 | return schema | |
451 | } | |
452 | ||
6fad8e51 | 453 | private static addTags (htmlStringPage: string, tagsValues: Tags) { |
8d987ec6 K |
454 | const openGraphMetaTags = this.generateOpenGraphMetaTags(tagsValues) |
455 | const standardMetaTags = this.generateStandardMetaTags(tagsValues) | |
456 | const twitterCardMetaTags = this.generateTwitterCardMetaTags(tagsValues) | |
457 | const schemaTags = this.generateSchemaTags(tagsValues) | |
458 | ||
106fa224 | 459 | const { url, title, embed, originUrl } = tagsValues |
8d987ec6 | 460 | |
6fad8e51 | 461 | const oembedLinkTags: { type: string, href: string, title: string }[] = [] |
8d987ec6 K |
462 | |
463 | if (embed) { | |
464 | oembedLinkTags.push({ | |
465 | type: 'application/json+oembed', | |
466 | href: WEBSERVER.URL + '/services/oembed?url=' + encodeURIComponent(url), | |
467 | title | |
468 | }) | |
e032aec9 C |
469 | } |
470 | ||
471 | let tagsString = '' | |
472 | ||
473 | // Opengraph | |
474 | Object.keys(openGraphMetaTags).forEach(tagName => { | |
a1587156 | 475 | const tagValue = openGraphMetaTags[tagName] |
e032aec9 C |
476 | |
477 | tagsString += `<meta property="${tagName}" content="${tagValue}" />` | |
478 | }) | |
479 | ||
8d987ec6 K |
480 | // Standard |
481 | Object.keys(standardMetaTags).forEach(tagName => { | |
482 | const tagValue = standardMetaTags[tagName] | |
483 | ||
484 | tagsString += `<meta property="${tagName}" content="${tagValue}" />` | |
485 | }) | |
486 | ||
487 | // Twitter card | |
488 | Object.keys(twitterCardMetaTags).forEach(tagName => { | |
489 | const tagValue = twitterCardMetaTags[tagName] | |
490 | ||
491 | tagsString += `<meta property="${tagName}" content="${tagValue}" />` | |
492 | }) | |
493 | ||
e032aec9 C |
494 | // OEmbed |
495 | for (const oembedLinkTag of oembedLinkTags) { | |
496 | tagsString += `<link rel="alternate" type="${oembedLinkTag.type}" href="${oembedLinkTag.href}" title="${oembedLinkTag.title}" />` | |
497 | } | |
498 | ||
499 | // Schema.org | |
8d987ec6 K |
500 | if (schemaTags) { |
501 | tagsString += `<script type="application/ld+json">${JSON.stringify(schemaTags)}</script>` | |
502 | } | |
92bf2f62 | 503 | |
8d987ec6 | 504 | // SEO, use origin URL |
106fa224 | 505 | tagsString += `<link rel="canonical" href="${originUrl}" />` |
92bf2f62 | 506 | |
8d987ec6 | 507 | return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.META_TAGS, tagsString) |
e032aec9 C |
508 | } |
509 | } | |
f2eb23cd RK |
510 | |
511 | function sendHTML (html: string, res: express.Response) { | |
512 | res.set('Content-Type', 'text/html; charset=UTF-8') | |
513 | ||
514 | return res.send(html) | |
515 | } | |
516 | ||
517 | async function serveIndexHTML (req: express.Request, res: express.Response) { | |
518 | if (req.accepts(ACCEPT_HEADERS) === 'html' || | |
519 | !req.headers.accept) { | |
520 | try { | |
521 | await generateHTMLPage(req, res, req.params.language) | |
522 | return | |
523 | } catch (err) { | |
524 | logger.error('Cannot generate HTML page.', err) | |
525 | return res.sendStatus(HttpStatusCode.INTERNAL_SERVER_ERROR_500) | |
526 | } | |
527 | } | |
528 | ||
529 | return res.sendStatus(HttpStatusCode.NOT_ACCEPTABLE_406) | |
530 | } | |
531 | ||
532 | // --------------------------------------------------------------------------- | |
533 | ||
534 | export { | |
535 | ClientHtml, | |
536 | sendHTML, | |
537 | serveIndexHTML | |
538 | } | |
539 | ||
540 | async function generateHTMLPage (req: express.Request, res: express.Response, paramLang?: string) { | |
541 | const html = await ClientHtml.getDefaultHTMLPage(req, res, paramLang) | |
542 | ||
543 | return sendHTML(html, res) | |
544 | } |