Uploading to Amazon S3 via curl route

Question

I am trying to set up a file upload REST API via Spring Boot.

I currently have a list/GET method curl http://localhost:8080/api/aws/s3/list which retur

Answer 1

    #run this code on ec2 linux with s3 write role 

TOKEN=`curl -s -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 21600"`
xamztoken=`curl -s -H "X-aws-ec2-metadata-token: $TOKEN" http://169.254.169.254/latest/meta-data/iam/security-credentials/ec2files3 | jq -r ".Token"`


yyyymmdd=`date +%Y%m%d`
s3Bucket="testfiles3bc"
bucketLocation="us-east-1"
s3SecretKey=`curl -s -H "X-aws-ec2-metadata-token: $TOKEN" http://169.254.169.254/latest/meta-data/iam/security-credentials/ec2files3 | jq -r '.SecretAccessKey'`
s3AccessKey=`curl -s -H "X-aws-ec2-metadata-token: $TOKEN"  http://169.254.169.254/latest/meta-data/iam/security-credentials/ec2files3 | jq -r ".AccessKeyId"`
endpoint="testfiles3bc.s3.amazonaws.com"
fileName="image.gif"
contentLength=`cat ${fileName} | wc -c`
contentHash=`openssl sha -sha256 -hex ${fileName} | sed 's/.* //'`
contentType=`file -b --mime-type $fileName`
b64=`openssl md5 -binary "$fileName" | openssl base64`
acl="private"

date=`date -u +%Y%m%dT%H%M%SZ`

expdate_s="2022-12-30T12:00:00.000Z"

region="us-east-1"


p=$(cat <