📁 File Manager

Dosya Düzenle: bucket_location.go

package s3

import (
	"io/ioutil"
	"regexp"

"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/awserr"
	"github.com/aws/aws-sdk-go/aws/awsutil"
	"github.com/aws/aws-sdk-go/aws/request"
)

var reBucketLocation = regexp.MustCompile(`>([^<>]+)<\/Location`)

// NormalizeBucketLocation is a utility function which will update the
// passed in value to always be a region ID. Generally this would be used
// with GetBucketLocation API operation.
//
// Replaces empty string with "us-east-1", and "EU" with "eu-west-1".
//
// See http://docs.aws.amazon.com/AmazonS3/latest/API/RESTBucketGETlocation.html
// for more information on the values that can be returned.
func NormalizeBucketLocation(loc string) string {
	switch loc {
	case "":
		loc = "us-east-1"
	case "EU":
		loc = "eu-west-1"
	}

return loc
}

// NormalizeBucketLocationHandler is a request handler which will update the
// GetBucketLocation's result LocationConstraint value to always be a region ID.
//
// Replaces empty string with "us-east-1", and "EU" with "eu-west-1".
//
// See http://docs.aws.amazon.com/AmazonS3/latest/API/RESTBucketGETlocation.html
// for more information on the values that can be returned.
//
//	req, result := svc.GetBucketLocationRequest(&s3.GetBucketLocationInput{
//	    Bucket: aws.String(bucket),
//	})
//	req.Handlers.Unmarshal.PushBackNamed(NormalizeBucketLocationHandler)
//	err := req.Send()
var NormalizeBucketLocationHandler = request.NamedHandler{
	Name: "awssdk.s3.NormalizeBucketLocation",
	Fn: func(req *request.Request) {
		if req.Error != nil {
			return
		}

out := req.Data.(*GetBucketLocationOutput)
		loc := NormalizeBucketLocation(aws.StringValue(out.LocationConstraint))
		out.LocationConstraint = aws.String(loc)
	},
}

// WithNormalizeBucketLocation is a request option which will update the
// GetBucketLocation's result LocationConstraint value to always be a region ID.
//
// Replaces empty string with "us-east-1", and "EU" with "eu-west-1".
//
// See http://docs.aws.amazon.com/AmazonS3/latest/API/RESTBucketGETlocation.html
// for more information on the values that can be returned.
//
//	result, err := svc.GetBucketLocationWithContext(ctx,
//	    &s3.GetBucketLocationInput{
//	        Bucket: aws.String(bucket),
//	    },
//	    s3.WithNormalizeBucketLocation,
//	)
func WithNormalizeBucketLocation(r *request.Request) {
	r.Handlers.Unmarshal.PushBackNamed(NormalizeBucketLocationHandler)
}

func buildGetBucketLocation(r *request.Request) {
	if r.DataFilled() {
		out := r.Data.(*GetBucketLocationOutput)
		b, err := ioutil.ReadAll(r.HTTPResponse.Body)
		if err != nil {
			r.Error = awserr.New(request.ErrCodeSerialization,
				"failed reading response body", err)
			return
		}

match := reBucketLocation.FindSubmatch(b)
		if len(match) > 1 {
			loc := string(match[1])
			out.LocationConstraint = aws.String(loc)
		}
	}
}

func populateLocationConstraint(r *request.Request) {
	if r.ParamsFilled() && aws.StringValue(r.Config.Region) != "us-east-1" {
		in := r.Params.(*CreateBucketInput)
		if in.CreateBucketConfiguration == nil {
			r.Params = awsutil.CopyOf(r.Params)
			in = r.Params.(*CreateBucketInput)
			in.CreateBucketConfiguration = &CreateBucketConfiguration{
				LocationConstraint: r.Config.Region,
			}
		}
	}
}

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