AWS API Gateway JS SDK get HTTP response code

Question

I am using the generated JS SDK by API Gateway. Problem is when theres errors, I get a CORS error and I am unable to get the data inside nor the status code:

Notice data is "" despite there being a message in the network tab

My code:

AWS.config.region = "ap-northeast-2"
const cognitoParams = {
  IdentityPoolId: "ap-northeast-2:...",
  Logins: {
    "accounts.google.com": googleUser.getAuthResponse().id_token
  }
}

AWS.config.credentials = new AWS.CognitoIdentityCredentials(cognitoParams)

AWS.config.credentials.get(function () {

  const api = apigClientFactory.newClient({
    accessKey: AWS.config.credentials.accessKeyId,
    secretKey: AWS.config.credentials.secretAccessKey,
    sessionToken: AWS.config.credentials.sessionToken
  })
  api.ec2Get()
    .then(function (data) {
      console.log('data', data);
    })
    .catch(function (err) {
      console.error('err', err)
    })

you are sure that AWS.CognitoIdentityCredentials is really returning credentials? — UXDart
– UXDart, Commented May 27, 2017 at 13:56
@UXDart yes there's data in access key and secret access key. Or what else should I verify? — Jiew Meng
– Jiew Meng, Commented May 27, 2017 at 15:13
Are you sure you enabled CORS for your API Gateway resource and deployed your API to stage? — Khalid T.
– Khalid T., Commented May 28, 2017 at 7:11

UXDart · Accepted Answer · 2017-05-27 15:24:10Z

1

try to pass the region too... so inside:

const api = apigClientFactory.newClient({
  accessKey: AWS.config.credentials.accessKeyId,
  secretKey: AWS.config.credentials.secretAccessKey,
  sessionToken: AWS.config.credentials.sessionToken,
  region: '...'
})

because by default it uses 'us-east-1' if you don't pass it

answered May 27, 2017 at 15:24

UXDart

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9 Comments

Jiew Meng Over a year ago

Hi this solves the problem of having an invalid security token, but I find that when the token expires, I am still unable to get the error message nor status via JS since its a CORS error. Any ideas?

UXDart Over a year ago

ok, but the CORS error could be because there is indeed a CORS error, or because the server returned a status different than 200.. what do you see in the console? only the CORS error? if you receive a status 403, then you know the token is expired

Jiew Meng Over a year ago

How do I get the HTTP status from the error from SDK generated from API gateway. As you can see from the screenshot, status is 0?

UXDart Over a year ago

.catch(function (err) { if(err.status===403) { }) you need to check in the case of an error...

Jiew Meng Over a year ago

But the problem is err.status is 0 in my case as shown in the screenshot

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