1 files changed, 147 insertions, 0 deletions

diff --git a/vendor/github.com/minio/minio-go/v7/api-bucket-policy.go b/vendor/github.com/minio/minio-go/v7/api-bucket-policy.go
new file mode 100644
index 0000000..dbb5259
--- /dev/null
+++ b/vendor/github.com/minio/minio-go/v7/api-bucket-policy.go
@@ -0,0 +1,147 @@
+/*
+ * MinIO Go Library for Amazon S3 Compatible Cloud Storage
+ * Copyright 2020 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 (
+        "context"
+        "io"
+        "net/http"
+        "net/url"
+        "strings"
+
+        "github.com/minio/minio-go/v7/pkg/s3utils"
+)
+
+// SetBucketPolicy sets the access permissions on an existing bucket.
+func (c *Client) SetBucketPolicy(ctx context.Context, bucketName, policy string) error {
+        // Input validation.
+        if err := s3utils.CheckValidBucketName(bucketName); err != nil {
+                return err
+        }
+
+        // If policy is empty then delete the bucket policy.
+        if policy == "" {
+                return c.removeBucketPolicy(ctx, bucketName)
+        }
+
+        // Save the updated policies.
+        return c.putBucketPolicy(ctx, bucketName, policy)
+}
+
+// Saves a new bucket policy.
+func (c *Client) putBucketPolicy(ctx context.Context, bucketName, policy string) error {
+        // Get resources properly escaped and lined up before
+        // using them in http request.
+        urlValues := make(url.Values)
+        urlValues.Set("policy", "")
+
+        reqMetadata := requestMetadata{
+                bucketName:    bucketName,
+                queryValues:   urlValues,
+                contentBody:   strings.NewReader(policy),
+                contentLength: int64(len(policy)),
+        }
+
+        // Execute PUT to upload a new bucket policy.
+        resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata)
+        defer closeResponse(resp)
+        if err != nil {
+                return err
+        }
+        if resp != nil {
+                if resp.StatusCode != http.StatusNoContent && resp.StatusCode != http.StatusOK {
+                        return httpRespToErrorResponse(resp, bucketName, "")
+                }
+        }
+        return nil
+}
+
+// Removes all policies on a bucket.
+func (c *Client) removeBucketPolicy(ctx context.Context, bucketName string) error {
+        // Get resources properly escaped and lined up before
+        // using them in http request.
+        urlValues := make(url.Values)
+        urlValues.Set("policy", "")
+
+        // Execute DELETE on objectName.
+        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
+}
+
+// GetBucketPolicy returns the current policy
+func (c *Client) GetBucketPolicy(ctx context.Context, bucketName string) (string, error) {
+        // Input validation.
+        if err := s3utils.CheckValidBucketName(bucketName); err != nil {
+                return "", err
+        }
+        bucketPolicy, err := c.getBucketPolicy(ctx, bucketName)
+        if err != nil {
+                errResponse := ToErrorResponse(err)
+                if errResponse.Code == "NoSuchBucketPolicy" {
+                        return "", nil
+                }
+                return "", err
+        }
+        return bucketPolicy, nil
+}
+
+// Request server for current bucket policy.
+func (c *Client) getBucketPolicy(ctx context.Context, bucketName string) (string, error) {
+        // Get resources properly escaped and lined up before
+        // using them in http request.
+        urlValues := make(url.Values)
+        urlValues.Set("policy", "")
+
+        // Execute GET on bucket to list objects.
+        resp, err := c.executeMethod(ctx, http.MethodGet, requestMetadata{
+                bucketName:       bucketName,
+                queryValues:      urlValues,
+                contentSHA256Hex: emptySHA256Hex,
+        })
+
+        defer closeResponse(resp)
+        if err != nil {
+                return "", err
+        }
+
+        if resp != nil {
+                if resp.StatusCode != http.StatusOK {
+                        return "", httpRespToErrorResponse(resp, bucketName, "")
+                }
+        }
+
+        bucketPolicyBuf, err := io.ReadAll(resp.Body)
+        if err != nil {
+                return "", err
+        }
+
+        policy := string(bucketPolicyBuf)
+        return policy, err
+}