Authenticate Javascript Program for Gcloud AutoML Vision API

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Authenticate Javascript Program for Gcloud AutoML Vision API



I am currently working on a project whereby I have used gcloud automl to train an image classifier. I have got it working fine and it is able to handle my requests using access-tokens. However, my issue lies in that access-tokens only last for an hour. I would like to be able to create a method in my client-side javascript or another way to authenticate such that it is indefinite and I do not need to manually generate new tokens.



I have looked through the samples and docs on gcloud and found a sample that describes a possibility with the People API but I am not sure how to translate this to the Vision API.



Currently I am sending a request like the following:


$.ajax(
url: "https://automl.googleapis.com/v1beta1/projects/(project-id)/locations/us-central1/models/(model-id):predict",
beforeSend: function(xhr)
xhr.setRequestHeader("Authorization", "Bearer " + "access-token");
,
type: 'POST',
dataType: 'json',
contentType: 'application/json',
processData: false,
data: objString,
success: function (data)
alert(JSON.stringify(data));
,
error: function()
alert("Cannot get data");

);



If there is a way to alter this method (or write a new one) to make a permanent token or another authentication form that is indefinite, then that would be much appreciated.




1 Answer
1



You should use an environment variable along with a service account. Depending on your OS, you could use it until you turn off your machine, or set it as a permanent environment variable.






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