Error occurred due to an improperly formatted authorization header while attempting to upload an object to S3 using the JavaScript SDK

When attempting to upload an object to Amazon S3 using their JavaScript SDK, I encounter the following error message:

<Error>
    <Code>AuthorizationHeaderMalformed</Code>
    <Message>The authorization header is malformed; the region 'us-east-1' is incorrect; expecting 'eu-west-1'</Message>
    <Region>eu-west-1</Region>
    <RequestId>62D2D18E5093BF1D</RequestId>
    <HostId>87ixJCkZyInIVI9BH4zdxtNzFuydwByK6ibvXOICXoE6ZQMp+lWf9RxetaL9c5qFEZEWW/RYdFQ=</HostId>
</Error>

This error occurs when making a HTTP request to .

I have attempted to specify the region multiple times in my code without success.

Below is how I am initializing the S3 client:

import AWS from 'aws-sdk';

AWS.config.update({
    region: 'eu-west-1',
    credentials: new AWS.CognitoIdentityCredentials({
        IdentityPoolId: this.identityPoolId
    }, {
        region: 'eu-west-1'
    })
});

this.s3 = new AWS.S3({
    apiVersion: '2006-03-01',
    params: {
        Bucket: this.bucket
    },
    region: 'eu-west-1'
});

What could be causing the reference to us-east-1 in the error response despite setting the region correctly?

UPDATE: I have revised the setup code several times and ended up with the following:

const AWS = require('aws-sdk/global');
const S3 = require('aws-sdk/clients/s3');

this.s3 = new S3({
    apiVersion: 'latest',
    credentials: new AWS.CognitoIdentityCredentials({
        IdentityPoolId: this.identityPoolId
    }, {
        region: 'eu-west-1'
    }),
    params: {
        Bucket: this.bucket
    },
    region: 'eu-west-1'
});

And here is the code responsible for uploading the file:

const params = {
    ACL: 'private',
    Body: this.file,
    ContentType: this.file.type,
    Key: `videos/input/${this.filename}`
};

this.s3
    .putObject(params)
    .on('httpUploadProgress', this.onUploadProgress)
    .send(this.onSend);

Answer №1

Your error stems from the usage of CognitoIdentityCredentials. The AWS variable has not been initialized properly.

To rectify this issue, modify your code as shown below:

AWS.config.region = 'eu-west-1';
AWS.config.credentials = new AWS.CognitoIdentityCredentials({
    IdentityPoolId: this.identityPoolId
});

Answer №2

When encountering this error, it indicates that the selected bucket name is already in use within Amazon S3, either in your own account or someone else's.

Due to S3's universal namespace policy, all bucket names must be unique. If the bucket is located in your own account, adjust your script to specify the correct region where the bucket is situated. If the bucket belongs to another account, simply rename the bucket and try again.

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