javascript - How to signin on a web app properly if already signedin with Google somewhere on the web? -


i'm making web application using javascript. i'm able signin, signout google account , read/write file google drive, have found weird exception.

here how can reproduce exception:

  1. i open chrome empty chace
  2. i signin on google drive
  3. i run debug of web app visual studio (the web app not published yet, can't test it)

now web app seems signin same google account , start file google drive (the 1 want), process interrupted in way. have made checks in code sure web app able file or return error, "error code 0", while of times don't error , no file retrieved.

i'm sure wrong using google api, don't know what. when run web app (in case above) signin button of google calls automatically following function:

function checkauth() { gapi.auth.authorize(     {         'client_id': client_id,         'scope': scopes,         'immediate': true     },     handleauthresult); }

so web app seems signedin, doesn't work.

actually have found solution, in opinion bad one: if web app doesn't have important data >> , i'm signed in google somewhere on web >> call "signout()" function.

so if signin again in web app works should.

can give me better solution, avoiding "signout" followed "signin" i'm using?


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