/usr/share/gocode/src/github.com/jacobsa/gcloud/gcs/copy_object.go is in golang-github-jacobsa-gcloud-dev 0.0~git20150709-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | // Copyright 2015 Google Inc. All Rights Reserved.
//
// 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 gcs
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
"unicode/utf8"
"github.com/jacobsa/gcloud/httputil"
"google.golang.org/api/googleapi"
storagev1 "google.golang.org/api/storage/v1"
"golang.org/x/net/context"
)
func (b *bucket) CopyObject(
ctx context.Context,
req *CopyObjectRequest) (o *Object, err error) {
// We encode using json.NewEncoder, which is documented to silently transform
// invalid UTF-8 (cf. http://goo.gl/3gIUQB). So we can't rely on the server
// to detect this for us.
if !utf8.ValidString(req.DstName) {
err = errors.New("Invalid object name: not valid UTF-8")
return
}
// Construct an appropriate URL (cf. https://goo.gl/A41CyJ).
opaque := fmt.Sprintf(
"//www.googleapis.com/storage/v1/b/%s/o/%s/copyTo/b/%s/o/%s",
httputil.EncodePathSegment(b.Name()),
httputil.EncodePathSegment(req.SrcName),
httputil.EncodePathSegment(b.Name()),
httputil.EncodePathSegment(req.DstName))
query := make(url.Values)
query.Set("projection", "full")
if req.SrcGeneration != 0 {
query.Set("sourceGeneration", fmt.Sprintf("%d", req.SrcGeneration))
}
url := &url.URL{
Scheme: "https",
Host: "www.googleapis.com",
Opaque: opaque,
RawQuery: query.Encode(),
}
// We don't want to update any metadata.
body := ioutil.NopCloser(strings.NewReader(""))
// Create an HTTP request.
httpReq, err := httputil.NewRequest("POST", url, body, b.userAgent)
if err != nil {
err = fmt.Errorf("httputil.NewRequest: %v", err)
return
}
httpReq.Header.Set("Content-Type", "application/json")
// Execute the HTTP request.
httpRes, err := httputil.Do(ctx, b.client, httpReq)
if err != nil {
return
}
defer googleapi.CloseBody(httpRes)
// Check for HTTP-level errors.
if err = googleapi.CheckResponse(httpRes); err != nil {
// Special case: handle not found errors.
if typed, ok := err.(*googleapi.Error); ok {
if typed.Code == http.StatusNotFound {
err = &NotFoundError{Err: typed}
}
}
return
}
// Parse the response.
var rawObject *storagev1.Object
if err = json.NewDecoder(httpRes.Body).Decode(&rawObject); err != nil {
return
}
// Convert the response.
if o, err = toObject(rawObject); err != nil {
err = fmt.Errorf("toObject: %v", err)
return
}
return
}
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