1 files changed, 84 insertions, 0 deletions

diff --git a/server/initializers/checker.ts b/server/initializers/checker.ts
new file mode 100644
index 000000000..370dff2d4
--- /dev/null
+++ b/server/initializers/checker.ts
@@ -0,0 +1,84 @@
+import config = require('config')
+
+const db = require('./database')
+import { CONFIG } from './constants'
+
+// Some checks on configuration files
+function checkConfig () {
+  if (config.has('webserver.host')) {
+    let errorMessage = '`host` config key was renamed to `hostname` but it seems you still have a `host` key in your configuration files!'
+    errorMessage += ' Please ensure to rename your `host` configuration to `hostname`.'
+
+    return errorMessage
+  }
+
+  return null
+}
+
+// Check the config files
+function checkMissedConfig () {
+  const required = [ 'listen.port',
+    'webserver.https', 'webserver.hostname', 'webserver.port',
+    'database.hostname', 'database.port', 'database.suffix', 'database.username', 'database.password',
+    'storage.certs', 'storage.videos', 'storage.logs', 'storage.thumbnails', 'storage.previews',
+    'admin.email', 'signup.enabled', 'transcoding.enabled', 'transcoding.threads'
+  ]
+  const miss = []
+
+  for (const key of required) {
+    if (!config.has(key)) {
+      miss.push(key)
+    }
+  }
+
+  return miss
+}
+
+// Check the available codecs
+function checkFFmpeg (callback) {
+  const Ffmpeg = require('fluent-ffmpeg')
+
+  Ffmpeg.getAvailableCodecs(function (err, codecs) {
+    if (err) return callback(err)
+    if (CONFIG.TRANSCODING.ENABLED === false) return callback(null)
+
+    const canEncode = [ 'libx264' ]
+    canEncode.forEach(function (codec) {
+      if (codecs[codec] === undefined) {
+        return callback(new Error('Unknown codec ' + codec + ' in FFmpeg.'))
+      }
+
+      if (codecs[codec].canEncode !== true) {
+        return callback(new Error('Unavailable encode codec ' + codec + ' in FFmpeg'))
+      }
+    })
+
+    return callback(null)
+  })
+}
+
+function clientsExist (callback) {
+  db.OAuthClient.countTotal(function (err, totalClients) {
+    if (err) return callback(err)
+
+    return callback(null, totalClients !== 0)
+  })
+}
+
+function usersExist (callback) {
+  db.User.countTotal(function (err, totalUsers) {
+    if (err) return callback(err)
+
+    return callback(null, totalUsers !== 0)
+  })
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  checkConfig,
+  checkFFmpeg,
+  checkMissedConfig,
+  clientsExist,
+  usersExist
+}