mirror of
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108 lines
3.2 KiB
Go
108 lines
3.2 KiB
Go
package s3
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import (
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"io/ioutil"
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"regexp"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/awserr"
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"github.com/aws/aws-sdk-go/aws/awsutil"
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"github.com/aws/aws-sdk-go/aws/request"
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)
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var reBucketLocation = regexp.MustCompile(`>([^<>]+)<\/Location`)
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// NormalizeBucketLocation is a utility function which will update the
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// passed in value to always be a region ID. Generally this would be used
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// with GetBucketLocation API operation.
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//
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// Replaces empty string with "us-east-1", and "EU" with "eu-west-1".
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//
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// See http://docs.aws.amazon.com/AmazonS3/latest/API/RESTBucketGETlocation.html
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// for more information on the values that can be returned.
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func NormalizeBucketLocation(loc string) string {
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switch loc {
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case "":
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loc = "us-east-1"
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case "EU":
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loc = "eu-west-1"
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}
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return loc
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}
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// NormalizeBucketLocationHandler is a request handler which will update the
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// GetBucketLocation's result LocationConstraint value to always be a region ID.
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//
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// Replaces empty string with "us-east-1", and "EU" with "eu-west-1".
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//
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// See http://docs.aws.amazon.com/AmazonS3/latest/API/RESTBucketGETlocation.html
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// for more information on the values that can be returned.
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//
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// req, result := svc.GetBucketLocationRequest(&s3.GetBucketLocationInput{
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// Bucket: aws.String(bucket),
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// })
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// req.Handlers.Unmarshal.PushBackNamed(NormalizeBucketLocationHandler)
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// err := req.Send()
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var NormalizeBucketLocationHandler = request.NamedHandler{
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Name: "awssdk.s3.NormalizeBucketLocation",
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Fn: func(req *request.Request) {
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if req.Error != nil {
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return
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}
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out := req.Data.(*GetBucketLocationOutput)
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loc := NormalizeBucketLocation(aws.StringValue(out.LocationConstraint))
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out.LocationConstraint = aws.String(loc)
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},
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}
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// WithNormalizeBucketLocation is a request option which will update the
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// GetBucketLocation's result LocationConstraint value to always be a region ID.
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//
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// Replaces empty string with "us-east-1", and "EU" with "eu-west-1".
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//
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// See http://docs.aws.amazon.com/AmazonS3/latest/API/RESTBucketGETlocation.html
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// for more information on the values that can be returned.
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//
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// result, err := svc.GetBucketLocationWithContext(ctx,
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// &s3.GetBucketLocationInput{
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// Bucket: aws.String(bucket),
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// },
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// s3.WithNormalizeBucketLocation,
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// )
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func WithNormalizeBucketLocation(r *request.Request) {
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r.Handlers.Unmarshal.PushBackNamed(NormalizeBucketLocationHandler)
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}
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func buildGetBucketLocation(r *request.Request) {
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if r.DataFilled() {
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out := r.Data.(*GetBucketLocationOutput)
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b, err := ioutil.ReadAll(r.HTTPResponse.Body)
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if err != nil {
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r.Error = awserr.New(request.ErrCodeSerialization,
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"failed reading response body", err)
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return
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}
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match := reBucketLocation.FindSubmatch(b)
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if len(match) > 1 {
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loc := string(match[1])
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out.LocationConstraint = aws.String(loc)
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}
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}
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}
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func populateLocationConstraint(r *request.Request) {
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if r.ParamsFilled() && aws.StringValue(r.Config.Region) != "us-east-1" {
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in := r.Params.(*CreateBucketInput)
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if in.CreateBucketConfiguration == nil {
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r.Params = awsutil.CopyOf(r.Params)
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in = r.Params.(*CreateBucketInput)
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in.CreateBucketConfiguration = &CreateBucketConfiguration{
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LocationConstraint: r.Config.Region,
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}
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}
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}
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}
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