1 files changed, 149 insertions, 0 deletions
diff --git a/vendor/github.com/minio/minio-go/v7/api-put-object-fan-out.go b/vendor/github.com/minio/minio-go/v7/api-put-object-fan-out.go
new file mode 100644
index 000000000..f355d422a
--- /dev/null
+++ b/vendor/github.com/minio/minio-go/v7/api-put-object-fan-out.go
@@ -0,0 +1,149 @@
+/*
+ * MinIO Go Library for Amazon S3 Compatible Cloud Storage
+ * Copyright 2023 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"
+	"encoding/json"
+	"errors"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+)
+
+// PutObjectFanOutRequest this is the request structure sent
+// to the server to fan-out the stream to multiple objects.
+type PutObjectFanOutRequest struct {
+	Key                string            `json:"key"`
+	UserMetadata       map[string]string `json:"metadata,omitempty"`
+	UserTags           map[string]string `json:"tags,omitempty"`
+	ContentType        string            `json:"contentType,omitempty"`
+	ContentEncoding    string            `json:"contentEncoding,omitempty"`
+	ContentDisposition string            `json:"contentDisposition,omitempty"`
+	ContentLanguage    string            `json:"contentLanguage,omitempty"`
+	CacheControl       string            `json:"cacheControl,omitempty"`
+	Retention          RetentionMode     `json:"retention,omitempty"`
+	RetainUntilDate    *time.Time        `json:"retainUntil,omitempty"`
+}
+
+// PutObjectFanOutResponse this is the response structure sent
+// by the server upon success or failure for each object
+// fan-out keys. Additionally this response carries ETag,
+// VersionID and LastModified for each object fan-out.
+type PutObjectFanOutResponse struct {
+	Key          string     `json:"key"`
+	ETag         string     `json:"etag,omitempty"`
+	VersionID    string     `json:"versionId,omitempty"`
+	LastModified *time.Time `json:"lastModified,omitempty"`
+	Error        error      `json:"error,omitempty"`
+}
+
+// PutObjectFanOut - is a variant of PutObject instead of writing a single object from a single
+// stream multiple objects are written, defined via a list of PutObjectFanOutRequests. Each entry
+// in PutObjectFanOutRequest carries an object keyname and its relevant metadata if any. `Key` is
+// mandatory, rest of the other options in PutObjectFanOutRequest are optional.
+func (c *Client) PutObjectFanOut(ctx context.Context, bucket string, body io.Reader, fanOutReq ...PutObjectFanOutRequest) ([]PutObjectFanOutResponse, error) {
+	if len(fanOutReq) == 0 {
+		return nil, errInvalidArgument("fan out requests cannot be empty")
+	}
+
+	policy := NewPostPolicy()
+	policy.SetBucket(bucket)
+	policy.SetKey(strconv.FormatInt(time.Now().UnixNano(), 16))
+
+	// Expires in 15 minutes.
+	policy.SetExpires(time.Now().UTC().Add(15 * time.Minute))
+
+	url, formData, err := c.PresignedPostPolicy(ctx, policy)
+	if err != nil {
+		return nil, err
+	}
+
+	r, w := io.Pipe()
+
+	req, err := http.NewRequest(http.MethodPost, url.String(), r)
+	if err != nil {
+		w.Close()
+		return nil, err
+	}
+
+	var b strings.Builder
+	enc := json.NewEncoder(&b)
+	for _, req := range fanOutReq {
+		if req.Key == "" {
+			w.Close()
+			return nil, errors.New("PutObjectFanOutRequest.Key is mandatory and cannot be empty")
+		}
+		if err = enc.Encode(&req); err != nil {
+			w.Close()
+			return nil, err
+		}
+	}
+
+	mwriter := multipart.NewWriter(w)
+	req.Header.Add("Content-Type", mwriter.FormDataContentType())
+
+	go func() {
+		defer w.Close()
+		defer mwriter.Close()
+
+		for k, v := range formData {
+			if err := mwriter.WriteField(k, v); err != nil {
+				return
+			}
+		}
+
+		if err := mwriter.WriteField("x-minio-fanout-list", b.String()); err != nil {
+			return
+		}
+
+		mw, err := mwriter.CreateFormFile("file", "fanout-content")
+		if err != nil {
+			return
+		}
+
+		if _, err = io.Copy(mw, body); err != nil {
+			return
+		}
+	}()
+
+	resp, err := c.do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer closeResponse(resp)
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, httpRespToErrorResponse(resp, bucket, "fanout-content")
+	}
+
+	dec := json.NewDecoder(resp.Body)
+	fanOutResp := make([]PutObjectFanOutResponse, 0, len(fanOutReq))
+	for dec.More() {
+		var m PutObjectFanOutResponse
+		if err = dec.Decode(&m); err != nil {
+			return nil, err
+		}
+		fanOutResp = append(fanOutResp, m)
+	}
+
+	return fanOutResp, nil
+}