How to pass auth token from Parse SDK to Fabric TwitterKit?

Question

I log in my Twitter users using +[PFTwitterUtils loginWithBlock:] method from Parse SDK. To get user profile picture I login second time with -[Twitter logInWithCompletion:] method from Fabric TwitterKit. Is there any way to pass auth token from Parse SDK to TwitterKit and login only once ?

There is a way to export auth token and auth token secret from Parse by using PF_Twitter class from Parse SDK. It looks like it should be possible create a TwitterKit session by using -[TWTRSession initWithSessionDictionary:] , but Twitter docs says nothing about dictionary format and I can't get it working.

Answer 1

Parse

When the user is logged in using Parse's TwitterUtils you get this method called twitter . Right now I'm using Swift, so with PFTwitterUtils.twitter() you'll get all the data needed. I guess it should be [PFTwitterUtils twitter]; in Objective-C.

The class is PF_Twitter on Parse.

Fabric TwitterKit

Once you get that object you'll get access to authToken and authTokenSecret for the current user. Then you gotta use this method from TwitterKit (Note: This will be deprecated in the future, look at the UPDATE at the bottom):

Objective-C:

[Twitter sharedInstance]

logInWithExistingAuthToken:authTokenSecret:completion:

Swift:

Twitter.sharedInstance().logInWithExistingAuthToken(authToken, authTokenSecret: authTokenSecret, completion: { (session, error) -> Void in
})

If everything went well, this will return the current session.

Documentation:

Parse:

https://parse.com/docs/ios/api/Classes/PFTwitterUtils.html#//api/name/twitter

PF_Twitter - https://parse.com/docs/ios/api/Classes/PF_Twitter.html

Fabric:

https://docs.fabric.io/appledocs/Twitter/Classes/Twitter.html#//api/name/logInWithExistingAuthToken:authTokenSecret:completion :

UPDATE :

I just noticed that logInWithExistingAuthToken will be deprecated. So the best way to do this is using the TWTRSessionStore 's saveSessionWithAuthToken method:

Twitter.sharedInstance().sessionStore.saveSessionWithAuthToken(authToken, authTokenSecret: authTokenSecret, completion: { (session, error) -> Void in

                    })