Create a session token in cloud code without password

Parse Server 📡 Cloud Code
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#1

I’m trying to login a user from a cloud function. The idea is to return a session token and then have the client use PFUser.become. According to the documentation for getSessionToken should work if using the master key:

Returns the session token for this user, if the user has been logged in, or if it is the result of a query with the master key. Otherwise, returns undefined.

But this doesn’t seem to work. It still returns undefined using the following code:

const user = await new Parse.Query(User)
    .equalTo('username', phoneNumber)
    .first({ useMasterKey: true })
console.log('user', user, user.getSessionToken())

Similarly trying to call login without a username or password fails:

await user.logIn({ useMasterKey: true })

I could set a new password and login that way, but it feels like there should be a better solution?

#2

We’ve achieved this by setting a new random password each time. Works ok