fix(xo-server): make auth tokens created_at/expiration numbers

packages/xo-server/src/xo-mixins/authentication.mjs

@@ -14,6 +14,13 @@ const log = createLogger('xo:authentification')
 
 const noSuchAuthenticationToken = id => noSuchObject(id, 'authenticationToken')
 
+const unserialize = token => {
+  if (token.created_at !== undefined) {
+    token.created_at = +token.created_at
+  }
+  token.expiration = +token.expiration
+}
+
 export default class {
   constructor(app) {
     app.config.watch('authentication', config => {
@@ -209,6 +216,7 @@ export default class {
     }
 
     token = token.properties
+    unserialize(token)
 
     if (!(token.expiration > Date.now())) {
       this._tokens.remove(id)::ignoreErrors()
@@ -226,6 +234,8 @@ export default class {
     const tokensDb = this._tokens
     const toRemove = []
     for (const token of await tokensDb.get({ user_id: userId })) {
+      unserialize(token)
+
       const { expiration } = token
       if (expiration < now) {
         toRemove.push(token.id)