s3manager-web/create-object.go

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package main
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import (
"encoding/json"
"fmt"
"net/http"
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"strings"
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"github.com/gorilla/mux"
minio "github.com/minio/minio-go"
)
// CopyObjectInfo is the information about an object to copy
type CopyObjectInfo struct {
BucketName string `json:"bucketName"`
ObjectName string `json:"objectName"`
SourceBucketName string `json:"sourceBucketName"`
SourceObjectName string `json:"sourceObjectName"`
}
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// CreateObjectHandler allows to upload a new object
func CreateObjectHandler(s3 S3Client) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
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if strings.Contains(r.Header.Get(headerContentType), contentTypeJSON) {
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var copy CopyObjectInfo
err := json.NewDecoder(r.Body).Decode(&copy)
if err != nil {
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handleHTTPError(w, http.StatusInternalServerError, err)
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return
}
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copyConds := minio.NewCopyConditions()
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objectSource := fmt.Sprintf("/%s/%s", copy.SourceBucketName, copy.SourceObjectName)
err = s3.CopyObject(copy.BucketName, copy.ObjectName, objectSource, copyConds)
if err != nil {
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handleHTTPError(w, http.StatusInternalServerError, err)
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return
}
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w.Header().Set(headerContentType, contentTypeJSON)
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w.WriteHeader(http.StatusCreated)
err = json.NewEncoder(w).Encode(copy)
if err != nil {
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handleHTTPError(w, http.StatusInternalServerError, err)
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return
}
} else {
err := r.ParseMultipartForm(32 << 20)
if err != nil {
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handleHTTPError(w, http.StatusUnprocessableEntity, err)
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return
}
file, handler, err := r.FormFile("file")
if err != nil {
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handleHTTPError(w, http.StatusInternalServerError, err)
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return
}
defer file.Close()
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_, err = s3.PutObject(vars["bucketName"], handler.Filename, file, contentTypeOctetStream)
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if err != nil {
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handleHTTPError(w, http.StatusInternalServerError, err)
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return
}
w.WriteHeader(http.StatusCreated)
}
})
}