2 files changed, 102 insertions, 0 deletions

diff --git a/server/controllers/bots.ts b/server/controllers/bots.ts
new file mode 100644
index 000000000..b4eaccf9f
--- /dev/null
+++ b/server/controllers/bots.ts
@@ -0,0 +1,101 @@
+import * as express from 'express'
+import { asyncMiddleware } from '../middlewares'
+import { CONFIG, ROUTE_CACHE_LIFETIME } from '../initializers'
+import * as sitemapModule from 'sitemap'
+import { logger } from '../helpers/logger'
+import { VideoModel } from '../models/video/video'
+import { VideoChannelModel } from '../models/video/video-channel'
+import { AccountModel } from '../models/account/account'
+import { cacheRoute } from '../middlewares/cache'
+import { buildNSFWFilter } from '../helpers/express-utils'
+import { truncate } from 'lodash'
+
+const botsRouter = express.Router()
+
+// Special route that add OpenGraph and oEmbed tags
+// Do not use a template engine for a so little thing
+botsRouter.use('/sitemap.xml',
+  asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.SITEMAP)),
+  asyncMiddleware(getSitemap)
+)
+
+// ---------------------------------------------------------------------------
+
+export {
+  botsRouter
+}
+
+// ---------------------------------------------------------------------------
+
+async function getSitemap (req: express.Request, res: express.Response) {
+  let urls = getSitemapBasicUrls()
+
+  urls = urls.concat(await getSitemapLocalVideoUrls())
+  urls = urls.concat(await getSitemapVideoChannelUrls())
+  urls = urls.concat(await getSitemapAccountUrls())
+
+  const sitemap = sitemapModule.createSitemap({
+    hostname: CONFIG.WEBSERVER.URL,
+    urls: urls
+  })
+
+  sitemap.toXML((err, xml) => {
+    if (err) {
+      logger.error('Cannot generate sitemap.', { err })
+      return res.sendStatus(500)
+    }
+
+    res.header('Content-Type', 'application/xml')
+    res.send(xml)
+  })
+}
+
+async function getSitemapVideoChannelUrls () {
+  const rows = await VideoChannelModel.listLocalsForSitemap('createdAt')
+
+  return rows.map(channel => ({
+    url: CONFIG.WEBSERVER.URL + '/video-channels/' + channel.Actor.preferredUsername
+  }))
+}
+
+async function getSitemapAccountUrls () {
+  const rows = await AccountModel.listLocalsForSitemap('createdAt')
+
+  return rows.map(channel => ({
+    url: CONFIG.WEBSERVER.URL + '/accounts/' + channel.Actor.preferredUsername
+  }))
+}
+
+async function getSitemapLocalVideoUrls () {
+  const resultList = await VideoModel.listForApi({
+    start: 0,
+    count: undefined,
+    sort: 'createdAt',
+    includeLocalVideos: true,
+    nsfw: buildNSFWFilter(),
+    filter: 'local',
+    withFiles: false
+  })
+
+  return resultList.data.map(v => ({
+    url: CONFIG.WEBSERVER.URL + '/videos/watch/' + v.uuid,
+    video: [
+      {
+        title: v.name,
+        // Sitemap description should be < 2000 characters
+        description: truncate(v.description || v.name, { length: 2000, omission: '...' }),
+        player_loc: CONFIG.WEBSERVER.URL + '/videos/embed/' + v.uuid,
+        thumbnail_loc: v.getThumbnailStaticPath()
+      }
+    ]
+  }))
+}
+
+function getSitemapBasicUrls () {
+  const paths = [
+    '/about/instance',
+    '/videos/local'
+  ]
+
+  return paths.map(p => ({ url: CONFIG.WEBSERVER.URL + p }))
+}
diff --git a/server/controllers/index.ts b/server/controllers/index.ts
index 197fa897a..a88a03c79 100644
--- a/server/controllers/index.ts
+++ b/server/controllers/index.ts
@@ -6,3 +6,4 @@ export * from './services'
 export * from './static'
 export * from './webfinger'
 export * from './tracker'
+export * from './bots'