5 files changed, 62 insertions, 21 deletions

diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts
index 6f388420e..4cf7dcf0a 100644
--- a/server/initializers/constants.ts
+++ b/server/initializers/constants.ts
@@ -702,7 +702,8 @@ const CUSTOM_HTML_TAG_COMMENTS = {
   TITLE: '<!-- title tag -->',
   DESCRIPTION: '<!-- description tag -->',
   CUSTOM_CSS: '<!-- custom css tag -->',
-  META_TAGS: '<!-- meta tags -->'
+  META_TAGS: '<!-- meta tags -->',
+  SERVER_CONFIG: '<!-- server config -->'
 }
 
 // ---------------------------------------------------------------------------
diff --git a/server/lib/client-html.ts b/server/lib/client-html.ts
index 203bd3893..85fdc8754 100644
--- a/server/lib/client-html.ts
+++ b/server/lib/client-html.ts
@@ -2,12 +2,14 @@ import * as express from 'express'
 import { readFile } from 'fs-extra'
 import { join } from 'path'
 import validator from 'validator'
+import { escapeHTML } from '@shared/core-utils/renderer'
+import { HTMLServerConfig } from '@shared/models'
 import { buildFileLocale, getDefaultLocale, is18nLocale, POSSIBLE_LOCALES } from '../../shared/core-utils/i18n/i18n'
 import { HttpStatusCode } from '../../shared/core-utils/miscs/http-error-codes'
 import { VideoPlaylistPrivacy, VideoPrivacy } from '../../shared/models/videos'
 import { isTestInstance, sha256 } from '../helpers/core-utils'
-import { escapeHTML } from '@shared/core-utils/renderer'
 import { logger } from '../helpers/logger'
+import { mdToPlainText } from '../helpers/markdown'
 import { CONFIG } from '../initializers/config'
 import {
   ACCEPT_HEADERS,
@@ -24,7 +26,7 @@ import { VideoChannelModel } from '../models/video/video-channel'
 import { getActivityStreamDuration } from '../models/video/video-format-utils'
 import { VideoPlaylistModel } from '../models/video/video-playlist'
 import { MAccountActor, MChannelActor } from '../types/models'
-import { mdToPlainText } from '../helpers/markdown'
+import { getHTMLServerConfig } from './config'
 
 type Tags = {
   ogType: string
@@ -209,11 +211,14 @@ class ClientHtml {
     if (!isTestInstance() && ClientHtml.htmlCache[path]) return ClientHtml.htmlCache[path]
 
     const buffer = await readFile(path)
+    const serverConfig = await getHTMLServerConfig()
 
     let html = buffer.toString()
     html = await ClientHtml.addAsyncPluginCSS(html)
     html = ClientHtml.addCustomCSS(html)
     html = ClientHtml.addTitleTag(html)
+    html = ClientHtml.addDescriptionTag(html)
+    html = ClientHtml.addServerConfig(html, serverConfig)
 
     ClientHtml.htmlCache[path] = html
 
@@ -275,6 +280,7 @@ class ClientHtml {
     if (!isTestInstance() && ClientHtml.htmlCache[path]) return ClientHtml.htmlCache[path]
 
     const buffer = await readFile(path)
+    const serverConfig = await getHTMLServerConfig()
 
     let html = buffer.toString()
 
@@ -283,6 +289,7 @@ class ClientHtml {
     html = ClientHtml.addFaviconContentHash(html)
     html = ClientHtml.addLogoContentHash(html)
     html = ClientHtml.addCustomCSS(html)
+    html = ClientHtml.addServerConfig(html, serverConfig)
     html = await ClientHtml.addAsyncPluginCSS(html)
 
     ClientHtml.htmlCache[path] = html
@@ -355,6 +362,13 @@ class ClientHtml {
     return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.CUSTOM_CSS, styleTag)
   }
 
+  private static addServerConfig (htmlStringPage: string, serverConfig: HTMLServerConfig) {
+    const serverConfigString = JSON.stringify(serverConfig)
+    const configScriptTag = `<script type="application/javascript">window.PeerTubeServerConfig = '${serverConfigString}'</script>`
+
+    return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.SERVER_CONFIG, configScriptTag)
+  }
+
   private static async addAsyncPluginCSS (htmlStringPage: string) {
     const globalCSSContent = await readFile(PLUGIN_GLOBAL_CSS_PATH)
     if (globalCSSContent.byteLength === 0) return htmlStringPage
diff --git a/server/lib/config.ts b/server/lib/config.ts
index fed468fe1..18d49f05a 100644
--- a/server/lib/config.ts
+++ b/server/lib/config.ts
@@ -2,17 +2,13 @@ import { isSignupAllowed, isSignupAllowedForCurrentIP } from '@server/helpers/si
 import { getServerCommit } from '@server/helpers/utils'
 import { CONFIG, isEmailEnabled } from '@server/initializers/config'
 import { CONSTRAINTS_FIELDS, DEFAULT_THEME_NAME, PEERTUBE_VERSION } from '@server/initializers/constants'
-import { RegisteredExternalAuthConfig, RegisteredIdAndPassAuthConfig, ServerConfig } from '@shared/models'
+import { HTMLServerConfig, RegisteredExternalAuthConfig, RegisteredIdAndPassAuthConfig, ServerConfig } from '@shared/models'
 import { Hooks } from './plugins/hooks'
 import { PluginManager } from './plugins/plugin-manager'
 import { getThemeOrDefault } from './plugins/theme-utils'
 import { VideoTranscodingProfilesManager } from './transcoding/video-transcoding-profiles'
 
-let serverCommit: string
-
 async function getServerConfig (ip?: string): Promise<ServerConfig> {
-  if (serverCommit === undefined) serverCommit = await getServerCommit()
-
   const { allowed } = await Hooks.wrapPromiseFun(
     isSignupAllowed,
     {
@@ -22,6 +18,23 @@ async function getServerConfig (ip?: string): Promise<ServerConfig> {
   )
 
   const allowedForCurrentIP = isSignupAllowedForCurrentIP(ip)
+
+  const signup = {
+    allowed,
+    allowedForCurrentIP,
+    requiresEmailVerification: CONFIG.SIGNUP.REQUIRES_EMAIL_VERIFICATION
+  }
+
+  const htmlConfig = await getHTMLServerConfig()
+
+  return { ...htmlConfig, signup }
+}
+
+// Config injected in HTML
+let serverCommit: string
+async function getHTMLServerConfig (): Promise<HTMLServerConfig> {
+  if (serverCommit === undefined) serverCommit = await getServerCommit()
+
   const defaultTheme = getThemeOrDefault(CONFIG.THEME.DEFAULT, DEFAULT_THEME_NAME)
 
   return {
@@ -65,11 +78,6 @@ async function getServerConfig (ip?: string): Promise<ServerConfig> {
     },
     serverVersion: PEERTUBE_VERSION,
     serverCommit,
-    signup: {
-      allowed,
-      allowedForCurrentIP,
-      requiresEmailVerification: CONFIG.SIGNUP.REQUIRES_EMAIL_VERIFICATION
-    },
     transcoding: {
       hls: {
         enabled: CONFIG.TRANSCODING.HLS.ENABLED
@@ -223,7 +231,8 @@ export {
   getServerConfig,
   getRegisteredThemes,
   getEnabledResolutions,
-  getRegisteredPlugins
+  getRegisteredPlugins,
+  getHTMLServerConfig
 }
 
 // ---------------------------------------------------------------------------
diff --git a/server/models/abuse/abuse.ts b/server/models/abuse/abuse.ts
index ffe109c2f..3518f5c02 100644
--- a/server/models/abuse/abuse.ts
+++ b/server/models/abuse/abuse.ts
@@ -16,8 +16,7 @@ import {
   UpdatedAt
 } from 'sequelize-typescript'
 import { isAbuseModerationCommentValid, isAbuseReasonValid, isAbuseStateValid } from '@server/helpers/custom-validators/abuses'
-import { AttributesOnly } from '@shared/core-utils'
-import { abusePredefinedReasonsMap } from '@shared/core-utils/abuse'
+import { abusePredefinedReasonsMap, AttributesOnly } from '@shared/core-utils'
 import {
   AbuseFilter,
   AbuseObject,
diff --git a/server/tests/client.ts b/server/tests/client.ts
index 3c99bcd1f..a385edd26 100644
--- a/server/tests/client.ts
+++ b/server/tests/client.ts
@@ -3,7 +3,7 @@
 import 'mocha'
 import * as chai from 'chai'
 import * as request from 'supertest'
-import { Account, VideoPlaylistPrivacy } from '@shared/models'
+import { Account, HTMLServerConfig, ServerConfig, VideoPlaylistPrivacy } from '@shared/models'
 import {
   addVideoInPlaylist,
   cleanupTests,
@@ -11,6 +11,7 @@ import {
   doubleFollow,
   flushAndRunMultipleServers,
   getAccount,
+  getConfig,
   getCustomConfig,
   getVideosList,
   makeHTMLRequest,
@@ -25,13 +26,17 @@ import {
   waitJobs
 } from '../../shared/extra-utils'
 import { HttpStatusCode } from '@shared/core-utils/miscs/http-error-codes'
+import { omit } from 'lodash'
 
 const expect = chai.expect
 
-function checkIndexTags (html: string, title: string, description: string, css: string) {
+function checkIndexTags (html: string, title: string, description: string, css: string, config: ServerConfig) {
   expect(html).to.contain('<title>' + title + '</title>')
   expect(html).to.contain('<meta name="description" content="' + description + '" />')
   expect(html).to.contain('<style class="custom-css-style">' + css + '</style>')
+
+  const htmlConfig: HTMLServerConfig = omit(config, 'signup')
+  expect(html).to.contain(`<script type="application/javascript">window.PeerTubeServerConfig = '${JSON.stringify(htmlConfig)}'</script>`)
 }
 
 describe('Test a client controllers', function () {
@@ -296,10 +301,11 @@ describe('Test a client controllers', function () {
   describe('Index HTML', function () {
 
     it('Should have valid index html tags (title, description...)', async function () {
+      const resConfig = await getConfig(servers[0].url)
       const res = await makeHTMLRequest(servers[0].url, '/videos/trending')
 
       const description = 'PeerTube, an ActivityPub-federated video streaming platform using P2P directly in your web browser.'
-      checkIndexTags(res.text, 'PeerTube', description, '')
+      checkIndexTags(res.text, 'PeerTube', description, '', resConfig.body)
     })
 
     it('Should update the customized configuration and have the correct index html tags', async function () {
@@ -318,15 +324,17 @@ describe('Test a client controllers', function () {
         }
       })
 
+      const resConfig = await getConfig(servers[0].url)
       const res = await makeHTMLRequest(servers[0].url, '/videos/trending')
 
-      checkIndexTags(res.text, 'PeerTube updated', 'my short description', 'body { background-color: red; }')
+      checkIndexTags(res.text, 'PeerTube updated', 'my short description', 'body { background-color: red; }', resConfig.body)
     })
 
     it('Should have valid index html updated tags (title, description...)', async function () {
+      const resConfig = await getConfig(servers[0].url)
       const res = await makeHTMLRequest(servers[0].url, '/videos/trending')
 
-      checkIndexTags(res.text, 'PeerTube updated', 'my short description', 'body { background-color: red; }')
+      checkIndexTags(res.text, 'PeerTube updated', 'my short description', 'body { background-color: red; }', resConfig.body)
     })
 
     it('Should use the original video URL for the canonical tag', async function () {
@@ -350,6 +358,16 @@ describe('Test a client controllers', function () {
     })
   })
 
+  describe('Embed HTML', function () {
+
+    it('Should have the correct embed html tags', async function () {
+      const resConfig = await getConfig(servers[0].url)
+      const res = await makeHTMLRequest(servers[0].url, servers[0].video.embedPath)
+
+      checkIndexTags(res.text, 'PeerTube updated', 'my short description', 'body { background-color: red; }', resConfig.body)
+    })
+  })
+
   after(async function () {
     await cleanupTests(servers)
   })