Signed request string of Expo.Facebook.logInWithReadPermissionsAsync


In the Javascript version of Facebook SDK for web development, when a user is logged in Facebook, I’ll get the user access token and a signed request string. The signed request string helps verify the correctness of the token at my backend:

FB.getLoginStatus(function(response) {
if (response.status === ‘connected’) {

When using Expo.Facebook.logInWithReadPermissionsAsync, there seems no such mechanism to ensure the correctness of access token. Do we always trust the result and store these data at backend?



There is no signed request we get back. This is the result that Facebook provides:

closed #3

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