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cors.go
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cors.go
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package sos
import (
"context"
"errors"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/service/s3"
s3types "github.com/aws/aws-sdk-go-v2/service/s3/types"
"github.com/aws/smithy-go"
)
func (c *Client) DeleteBucketCORS(ctx context.Context, bucket string) error {
_, err := c.S3Client.DeleteBucketCors(ctx, &s3.DeleteBucketCorsInput{Bucket: &bucket})
return err
}
type CORSRule struct {
AllowedOrigins []string `json:"allowed_origins,omitempty"`
AllowedMethods []string `json:"allowed_methods,omitempty"`
AllowedHeaders []string `json:"allowed_headers,omitempty"`
}
func (c *Client) AddBucketCORSRule(ctx context.Context, bucket string, cors *CORSRule) error {
curCORS, err := c.S3Client.GetBucketCors(ctx, &s3.GetBucketCorsInput{Bucket: aws.String(bucket)})
if err != nil {
var apiErr smithy.APIError
if errors.As(err, &apiErr) {
if apiErr.ErrorCode() == "NoSuchCORSConfiguration" {
curCORS = &s3.GetBucketCorsOutput{}
}
}
if cors == nil {
return fmt.Errorf("unable to retrieve bucket CORS configuration: %w", err)
}
}
_, err = c.S3Client.PutBucketCors(ctx, &s3.PutBucketCorsInput{
Bucket: &bucket,
CORSConfiguration: &s3types.CORSConfiguration{
CORSRules: append(curCORS.CORSRules, cors.toS3()),
},
})
return err
}
// toS3 converts a sos.CORSRule object to the S3 CORS rule format.
func (r *CORSRule) toS3() s3types.CORSRule {
return s3types.CORSRule{
AllowedOrigins: r.AllowedOrigins,
AllowedMethods: r.AllowedMethods,
AllowedHeaders: r.AllowedHeaders,
}
}