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/*
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
* Copyright 2024 MinIO, Inc.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package minio
import (
"bytes"
"context"
"net/http"
"net/url"
"github.com/minio/minio-go/v7/pkg/cors"
"github.com/minio/minio-go/v7/pkg/s3utils"
)
// SetBucketCors sets the cors configuration for the bucket
func (c *Client) SetBucketCors(ctx context.Context, bucketName string, corsConfig *cors.Config) error {
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return err
}
if corsConfig == nil {
return c.removeBucketCors(ctx, bucketName)
}
return c.putBucketCors(ctx, bucketName, corsConfig)
}
func (c *Client) putBucketCors(ctx context.Context, bucketName string, corsConfig *cors.Config) error {
urlValues := make(url.Values)
urlValues.Set("cors", "")
corsStr, err := corsConfig.ToXML()
if err != nil {
return err
}
reqMetadata := requestMetadata{
bucketName: bucketName,
queryValues: urlValues,
contentBody: bytes.NewReader(corsStr),
contentLength: int64(len(corsStr)),
contentMD5Base64: sumMD5Base64([]byte(corsStr)),
}
resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata)
defer closeResponse(resp)
if err != nil {
return err
}
if resp != nil {
if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusNoContent {
return httpRespToErrorResponse(resp, bucketName, "")
}
}
return nil
}
func (c *Client) removeBucketCors(ctx context.Context, bucketName string) error {
urlValues := make(url.Values)
urlValues.Set("cors", "")
resp, err := c.executeMethod(ctx, http.MethodDelete, requestMetadata{
bucketName: bucketName,
queryValues: urlValues,
contentSHA256Hex: emptySHA256Hex,
})
defer closeResponse(resp)
if err != nil {
return err
}
if resp.StatusCode != http.StatusNoContent {
return httpRespToErrorResponse(resp, bucketName, "")
}
return nil
}
// GetBucketCors returns the current cors
func (c *Client) GetBucketCors(ctx context.Context, bucketName string) (*cors.Config, error) {
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return nil, err
}
bucketCors, err := c.getBucketCors(ctx, bucketName)
if err != nil {
errResponse := ToErrorResponse(err)
if errResponse.Code == "NoSuchCORSConfiguration" {
return nil, nil
}
return nil, err
}
return bucketCors, nil
}
func (c *Client) getBucketCors(ctx context.Context, bucketName string) (*cors.Config, error) {
urlValues := make(url.Values)
urlValues.Set("cors", "")
resp, err := c.executeMethod(ctx, http.MethodGet, requestMetadata{
bucketName: bucketName,
queryValues: urlValues,
contentSHA256Hex: emptySHA256Hex, // TODO: needed? copied over from other example, but not spec'd in API.
})
defer closeResponse(resp)
if err != nil {
return nil, err
}
if resp != nil {
if resp.StatusCode != http.StatusOK {
return nil, httpRespToErrorResponse(resp, bucketName, "")
}
}
corsConfig, err := cors.ParseBucketCorsConfig(resp.Body)
if err != nil {
return nil, err
}
return corsConfig, nil
}
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