Add server plugin helpers

3 files changed, 272 insertions, 2 deletions

diff --git a/server/lib/config.ts b/server/lib/config.ts
new file mode 100644
index 000000000..b4c4c9299
--- /dev/null
+++ b/server/lib/config.ts
@@ -0,0 +1,255 @@
+import { isSignupAllowed, isSignupAllowedForCurrentIP } from '@server/helpers/signup'
+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 { Hooks } from './plugins/hooks'
+import { PluginManager } from './plugins/plugin-manager'
+import { getThemeOrDefault } from './plugins/theme-utils'
+import { getEnabledResolutions } from './video-transcoding'
+import { VideoTranscodingProfilesManager } from './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,
+    {
+      ip
+    },
+    'filter:api.user.signup.allowed.result'
+  )
+
+  const allowedForCurrentIP = isSignupAllowedForCurrentIP(ip)
+  const defaultTheme = getThemeOrDefault(CONFIG.THEME.DEFAULT, DEFAULT_THEME_NAME)
+
+  return {
+    instance: {
+      name: CONFIG.INSTANCE.NAME,
+      shortDescription: CONFIG.INSTANCE.SHORT_DESCRIPTION,
+      isNSFW: CONFIG.INSTANCE.IS_NSFW,
+      defaultNSFWPolicy: CONFIG.INSTANCE.DEFAULT_NSFW_POLICY,
+      defaultClientRoute: CONFIG.INSTANCE.DEFAULT_CLIENT_ROUTE,
+      customizations: {
+        javascript: CONFIG.INSTANCE.CUSTOMIZATIONS.JAVASCRIPT,
+        css: CONFIG.INSTANCE.CUSTOMIZATIONS.CSS
+      }
+    },
+    search: {
+      remoteUri: {
+        users: CONFIG.SEARCH.REMOTE_URI.USERS,
+        anonymous: CONFIG.SEARCH.REMOTE_URI.ANONYMOUS
+      },
+      searchIndex: {
+        enabled: CONFIG.SEARCH.SEARCH_INDEX.ENABLED,
+        url: CONFIG.SEARCH.SEARCH_INDEX.URL,
+        disableLocalSearch: CONFIG.SEARCH.SEARCH_INDEX.DISABLE_LOCAL_SEARCH,
+        isDefaultSearch: CONFIG.SEARCH.SEARCH_INDEX.IS_DEFAULT_SEARCH
+      }
+    },
+    plugin: {
+      registered: getRegisteredPlugins(),
+      registeredExternalAuths: getExternalAuthsPlugins(),
+      registeredIdAndPassAuths: getIdAndPassAuthPlugins()
+    },
+    theme: {
+      registered: getRegisteredThemes(),
+      default: defaultTheme
+    },
+    email: {
+      enabled: isEmailEnabled()
+    },
+    contactForm: {
+      enabled: CONFIG.CONTACT_FORM.ENABLED
+    },
+    serverVersion: PEERTUBE_VERSION,
+    serverCommit,
+    signup: {
+      allowed,
+      allowedForCurrentIP,
+      requiresEmailVerification: CONFIG.SIGNUP.REQUIRES_EMAIL_VERIFICATION
+    },
+    transcoding: {
+      hls: {
+        enabled: CONFIG.TRANSCODING.HLS.ENABLED
+      },
+      webtorrent: {
+        enabled: CONFIG.TRANSCODING.WEBTORRENT.ENABLED
+      },
+      enabledResolutions: getEnabledResolutions('vod'),
+      profile: CONFIG.TRANSCODING.PROFILE,
+      availableProfiles: VideoTranscodingProfilesManager.Instance.getAvailableProfiles('vod')
+    },
+    live: {
+      enabled: CONFIG.LIVE.ENABLED,
+
+      allowReplay: CONFIG.LIVE.ALLOW_REPLAY,
+      maxDuration: CONFIG.LIVE.MAX_DURATION,
+      maxInstanceLives: CONFIG.LIVE.MAX_INSTANCE_LIVES,
+      maxUserLives: CONFIG.LIVE.MAX_USER_LIVES,
+
+      transcoding: {
+        enabled: CONFIG.LIVE.TRANSCODING.ENABLED,
+        enabledResolutions: getEnabledResolutions('live'),
+        profile: CONFIG.LIVE.TRANSCODING.PROFILE,
+        availableProfiles: VideoTranscodingProfilesManager.Instance.getAvailableProfiles('live')
+      },
+
+      rtmp: {
+        port: CONFIG.LIVE.RTMP.PORT
+      }
+    },
+    import: {
+      videos: {
+        http: {
+          enabled: CONFIG.IMPORT.VIDEOS.HTTP.ENABLED
+        },
+        torrent: {
+          enabled: CONFIG.IMPORT.VIDEOS.TORRENT.ENABLED
+        }
+      }
+    },
+    autoBlacklist: {
+      videos: {
+        ofUsers: {
+          enabled: CONFIG.AUTO_BLACKLIST.VIDEOS.OF_USERS.ENABLED
+        }
+      }
+    },
+    avatar: {
+      file: {
+        size: {
+          max: CONSTRAINTS_FIELDS.ACTORS.IMAGE.FILE_SIZE.max
+        },
+        extensions: CONSTRAINTS_FIELDS.ACTORS.IMAGE.EXTNAME
+      }
+    },
+    banner: {
+      file: {
+        size: {
+          max: CONSTRAINTS_FIELDS.ACTORS.IMAGE.FILE_SIZE.max
+        },
+        extensions: CONSTRAINTS_FIELDS.ACTORS.IMAGE.EXTNAME
+      }
+    },
+    video: {
+      image: {
+        extensions: CONSTRAINTS_FIELDS.VIDEOS.IMAGE.EXTNAME,
+        size: {
+          max: CONSTRAINTS_FIELDS.VIDEOS.IMAGE.FILE_SIZE.max
+        }
+      },
+      file: {
+        extensions: CONSTRAINTS_FIELDS.VIDEOS.EXTNAME
+      }
+    },
+    videoCaption: {
+      file: {
+        size: {
+          max: CONSTRAINTS_FIELDS.VIDEO_CAPTIONS.CAPTION_FILE.FILE_SIZE.max
+        },
+        extensions: CONSTRAINTS_FIELDS.VIDEO_CAPTIONS.CAPTION_FILE.EXTNAME
+      }
+    },
+    user: {
+      videoQuota: CONFIG.USER.VIDEO_QUOTA,
+      videoQuotaDaily: CONFIG.USER.VIDEO_QUOTA_DAILY
+    },
+    trending: {
+      videos: {
+        intervalDays: CONFIG.TRENDING.VIDEOS.INTERVAL_DAYS,
+        algorithms: {
+          enabled: CONFIG.TRENDING.VIDEOS.ALGORITHMS.ENABLED,
+          default: CONFIG.TRENDING.VIDEOS.ALGORITHMS.DEFAULT
+        }
+      }
+    },
+    tracker: {
+      enabled: CONFIG.TRACKER.ENABLED
+    },
+
+    followings: {
+      instance: {
+        autoFollowIndex: {
+          indexUrl: CONFIG.FOLLOWINGS.INSTANCE.AUTO_FOLLOW_INDEX.INDEX_URL
+        }
+      }
+    },
+
+    broadcastMessage: {
+      enabled: CONFIG.BROADCAST_MESSAGE.ENABLED,
+      message: CONFIG.BROADCAST_MESSAGE.MESSAGE,
+      level: CONFIG.BROADCAST_MESSAGE.LEVEL,
+      dismissable: CONFIG.BROADCAST_MESSAGE.DISMISSABLE
+    }
+  }
+}
+
+function getRegisteredThemes () {
+  return PluginManager.Instance.getRegisteredThemes()
+                      .map(t => ({
+                        name: t.name,
+                        version: t.version,
+                        description: t.description,
+                        css: t.css,
+                        clientScripts: t.clientScripts
+                      }))
+}
+
+function getRegisteredPlugins () {
+  return PluginManager.Instance.getRegisteredPlugins()
+                      .map(p => ({
+                        name: p.name,
+                        version: p.version,
+                        description: p.description,
+                        clientScripts: p.clientScripts
+                      }))
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  getServerConfig,
+  getRegisteredThemes,
+  getRegisteredPlugins
+}
+
+// ---------------------------------------------------------------------------
+
+function getIdAndPassAuthPlugins () {
+  const result: RegisteredIdAndPassAuthConfig[] = []
+
+  for (const p of PluginManager.Instance.getIdAndPassAuths()) {
+    for (const auth of p.idAndPassAuths) {
+      result.push({
+        npmName: p.npmName,
+        name: p.name,
+        version: p.version,
+        authName: auth.authName,
+        weight: auth.getWeight()
+      })
+    }
+  }
+
+  return result
+}
+
+function getExternalAuthsPlugins () {
+  const result: RegisteredExternalAuthConfig[] = []
+
+  for (const p of PluginManager.Instance.getExternalAuths()) {
+    for (const auth of p.externalAuths) {
+      result.push({
+        npmName: p.npmName,
+        name: p.name,
+        version: p.version,
+        authName: auth.authName,
+        authDisplayName: auth.authDisplayName()
+      })
+    }
+  }
+
+  return result
+}
diff --git a/server/lib/plugins/plugin-helpers-builder.ts b/server/lib/plugins/plugin-helpers-builder.ts
index dac6b3185..cbd849742 100644
--- a/server/lib/plugins/plugin-helpers-builder.ts
+++ b/server/lib/plugins/plugin-helpers-builder.ts
@@ -12,8 +12,10 @@ import { VideoBlacklistCreate } from '@shared/models'
 import { blacklistVideo, unblacklistVideo } from '../video-blacklist'
 import { VideoBlacklistModel } from '@server/models/video/video-blacklist'
 import { AccountBlocklistModel } from '@server/models/account/account-blocklist'
+import { getServerConfig } from '../config'
+import { MPlugin } from '@server/types/models'
 
-function buildPluginHelpers (npmName: string): PeerTubeHelpers {
+function buildPluginHelpers (pluginModel: MPlugin, npmName: string): PeerTubeHelpers {
   const logger = buildPluginLogger(npmName)
 
   const database = buildDatabaseHelpers()
@@ -25,12 +27,15 @@ function buildPluginHelpers (npmName: string): PeerTubeHelpers {
 
   const moderation = buildModerationHelpers()
 
+  const plugin = buildPluginRelatedHelpers(pluginModel)
+
   return {
     logger,
     database,
     videos,
     config,
     moderation,
+    plugin,
     server
   }
 }
@@ -132,6 +137,16 @@ function buildConfigHelpers () {
   return {
     getWebserverUrl () {
       return WEBSERVER.URL
+    },
+
+    getServerConfig () {
+      return getServerConfig()
     }
   }
 }
+
+function buildPluginRelatedHelpers (plugin: MPlugin) {
+  return {
+    getBaseStaticRoute: () => `/plugins/${plugin.name}/${plugin.version}/static/`
+  }
+}
diff --git a/server/lib/plugins/register-helpers.ts b/server/lib/plugins/register-helpers.ts
index 9b5e1a546..c018e54a8 100644
--- a/server/lib/plugins/register-helpers.ts
+++ b/server/lib/plugins/register-helpers.ts
@@ -109,7 +109,7 @@ export class RegisterHelpers {
     const unregisterIdAndPassAuth = this.buildUnregisterIdAndPassAuth()
     const unregisterExternalAuth = this.buildUnregisterExternalAuth()
 
-    const peertubeHelpers = buildPluginHelpers(this.npmName)
+    const peertubeHelpers = buildPluginHelpers(this.plugin, this.npmName)
 
     return {
       registerHook,