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228 lines
5.7 KiB
228 lines
5.7 KiB
/*
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* Mini Object Storage, (C) 2014 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package minioapi
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import (
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"bytes"
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"encoding/json"
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"encoding/xml"
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"log"
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"net/http"
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"time"
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"github.com/gorilla/mux"
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mstorage "github.com/minio-io/minio/pkg/storage"
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)
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type minioApi struct {
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storage mstorage.Storage
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}
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type encoder interface {
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Encode(v interface{}) error
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}
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func HttpHandler(storage mstorage.Storage) http.Handler {
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mux := mux.NewRouter()
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api := minioApi{
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storage: storage,
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}
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mux.HandleFunc("/", api.listBucketsHandler).Methods("GET")
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mux.HandleFunc("/{bucket}", api.putBucketHandler).Methods("PUT")
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mux.HandleFunc("/{bucket}", api.listObjectsHandler).Methods("GET")
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mux.HandleFunc("/{bucket}/", api.listObjectsHandler).Methods("GET")
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mux.HandleFunc("/{bucket}/{object:.*}", api.getObjectHandler).Methods("GET")
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mux.HandleFunc("/{bucket}/{object:.*}", api.putObjectHandler).Methods("PUT")
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return mux
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}
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func (server *minioApi) getObjectHandler(w http.ResponseWriter, req *http.Request) {
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vars := mux.Vars(req)
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bucket := vars["bucket"]
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object := vars["object"]
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metadata := server.storage.GetObjectMetadata(bucket, object)
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lastModifiedTime := time.Unix(metadata.SecCreated, 0)
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lastModified := lastModifiedTime.Format(time.RFC1123)
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w.Header().Set("ETag", metadata.ETag)
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w.Header().Set("Last-Modified", lastModified)
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_, err := server.storage.CopyObjectToWriter(w, bucket, object)
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switch err := err.(type) {
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case nil: // success
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{
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log.Println("Found: " + bucket + "#" + object)
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}
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case mstorage.ObjectNotFound:
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{
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log.Println(err)
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w.WriteHeader(http.StatusNotFound)
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}
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default:
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{
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log.Println(err)
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w.WriteHeader(http.StatusInternalServerError)
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}
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}
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}
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func (server *minioApi) listBucketsHandler(w http.ResponseWriter, req *http.Request) {
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vars := mux.Vars(req)
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prefix, ok := vars["prefix"]
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if ok == false {
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prefix = ""
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}
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contentType := "xml"
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if req.Header["Accept"][0] == "application/json" {
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contentType = "json"
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}
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buckets := server.storage.ListBuckets(prefix)
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response := generateBucketsListResult(buckets)
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var bytesBuffer bytes.Buffer
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var encoder encoder
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if contentType == "json" {
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w.Header().Set("Content-Type", "application/json")
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encoder = json.NewEncoder(&bytesBuffer)
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} else {
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w.Header().Set("Content-Type", "application/xml")
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encoder = xml.NewEncoder(&bytesBuffer)
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}
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encoder.Encode(response)
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w.Write(bytesBuffer.Bytes())
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}
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func (server *minioApi) listObjectsHandler(w http.ResponseWriter, req *http.Request) {
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vars := mux.Vars(req)
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//delimiter, ok := vars["delimiter"]
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//encodingType, ok := vars["encoding-type"]
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//marker, ok := vars["marker"]
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//maxKeys, ok := vars["max-keys"]
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bucket := vars["bucket"]
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//bucket, ok := vars["bucket"]
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//if ok == false {
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// w.WriteHeader(http.StatusBadRequest)
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// return
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//}
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prefix, ok := vars["prefix"]
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if ok == false {
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prefix = ""
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}
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contentType := "xml"
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if req.Header["Accept"][0] == "application/json" {
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contentType = "json"
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}
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objects := server.storage.ListObjects(bucket, prefix, 1000)
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response := generateObjectsListResult(bucket, objects)
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var bytesBuffer bytes.Buffer
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var encoder encoder
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if contentType == "json" {
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w.Header().Set("Content-Type", "application/json")
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encoder = json.NewEncoder(&bytesBuffer)
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} else {
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w.Header().Set("Content-Type", "application/xml")
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encoder = xml.NewEncoder(&bytesBuffer)
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}
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encoder.Encode(response)
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w.Write(bytesBuffer.Bytes())
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}
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func (server *minioApi) putObjectHandler(w http.ResponseWriter, req *http.Request) {
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vars := mux.Vars(req)
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bucket := vars["bucket"]
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object := vars["object"]
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err := server.storage.StoreObject(bucket, object, req.Body)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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w.Write([]byte(err.Error()))
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return
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}
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}
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func (server *minioApi) putBucketHandler(w http.ResponseWriter, req *http.Request) {
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vars := mux.Vars(req)
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bucket := vars["bucket"]
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err := server.storage.StoreBucket(bucket)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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w.Write([]byte(err.Error()))
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return
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}
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}
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func generateBucketsListResult(buckets []mstorage.BucketMetadata) (data BucketListResponse) {
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listbuckets := []Bucket{}
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owner := Owner{
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ID: "minio",
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DisplayName: "minio",
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}
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for _, bucket := range buckets {
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listbucket := Bucket{
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Name: bucket.Name,
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CreationDate: formatDate(bucket.Created),
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}
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listbuckets = append(listbuckets, listbucket)
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}
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data = BucketListResponse{
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Owner: owner,
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Buckets: listbuckets,
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}
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return
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}
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func generateObjectsListResult(bucket string, objects []mstorage.ObjectMetadata) (data ObjectListResponse) {
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contents := []Content{}
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owner := Owner{
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ID: "minio",
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DisplayName: "minio",
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}
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for _, object := range objects {
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content := Content{
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Key: object.Key,
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LastModified: formatDate(object.SecCreated),
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ETag: object.ETag,
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Size: object.Size,
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StorageClass: "STANDARD",
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Owner: owner,
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}
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contents = append(contents, content)
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}
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data = ObjectListResponse{
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Name: bucket,
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Contents: contents,
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MaxKeys: len(objects),
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IsTruncated: false,
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}
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return
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}
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func formatDate(sec int64) string {
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timeStamp := time.Unix(sec, 0)
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return timeStamp.Format("2006-01-02T15:04:05.000Z")
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}
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