How to access private s3 files using URI in javascript?

G vamsi venkatesh

Jul 21, 2022

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To access S3 bucket provide access configuration using AWS.config() method

AWS.config.update({
region: "us-east-2",
signatureVersion: 'v4',
credentials: new AWS.Credentials(AccessKey, AccesSecreteKey, token)
});

Intitialize s3 variable using new AWS.S3()

To get access URI of the file we use getSignedUrl() method of s3 bucket Here we have three parameters

• Bucket:Name of the Bucket
• Key: Path inside the Bucket
• Expires: No of seconds the required to enable the URI(maximum 1 week)

var presignedURI = s3.getSignedUrl('getObject', {
   Bucket: "Bucket_Name",
   Key: "FIle_Path",
   Expires: seconds
});
console.log(presignedURI);

Here presignedURI variable provides the URL,we can access the file using this URL