Update Godeps for Aliyun OSS

Signed-off-by: Li Yi <denverdino@gmail.com>
This commit is contained in:
Li Yi 2015-05-12 14:19:05 +08:00 committed by tgic
parent c3b42db014
commit 38b23c8dff
18 changed files with 2830 additions and 0 deletions

8
Godeps/Godeps.json generated
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@ -44,6 +44,14 @@
"Comment": "1.2.0-66-g6086d79",
"Rev": "6086d7927ec35315964d9fea46df6c04e6d697c1"
},
{
"ImportPath": "github.com/denverdino/aliyungo/oss",
"Rev": "17d1e888c907ffdbd875f37500f3d130ce2ee6eb"
},
{
"ImportPath": "github.com/denverdino/aliyungo/util",
"Rev": "17d1e888c907ffdbd875f37500f3d130ce2ee6eb"
},
{
"ImportPath": "github.com/docker/docker/pkg/tarsum",
"Comment": "v1.4.1-3932-gb63ec6e",

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package oss_test
import (
"bytes"
"io/ioutil"
//"net/http"
"testing"
"time"
"github.com/denverdino/aliyungo/oss"
)
var (
//If you test on ECS, you can set the internal param to true
client = oss.NewOSSClient(TestRegion, false, TestAccessKeyId, TestAccessKeySecret, false)
)
func TestCreateBucket(t *testing.T) {
b := client.Bucket(TestBucket)
err := b.PutBucket(oss.Private)
if err != nil {
t.Errorf("Failed for PutBucket: %v", err)
}
t.Log("Wait a while for bucket creation ...")
time.Sleep(10 * time.Second)
}
func TestHead(t *testing.T) {
b := client.Bucket(TestBucket)
_, err := b.Head("name", nil)
if err == nil {
t.Errorf("Failed for Head: %v", err)
}
}
func TestPutObject(t *testing.T) {
const DISPOSITION = "attachment; filename=\"0x1a2b3c.jpg\""
b := client.Bucket(TestBucket)
err := b.Put("name", []byte("content"), "content-type", oss.Private, oss.Options{ContentDisposition: DISPOSITION})
if err != nil {
t.Errorf("Failed for Put: %v", err)
}
}
func TestGet(t *testing.T) {
b := client.Bucket(TestBucket)
data, err := b.Get("name")
if err != nil || string(data) != "content" {
t.Errorf("Failed for Get: %v", err)
}
}
func TestURL(t *testing.T) {
b := client.Bucket(TestBucket)
url := b.URL("name")
t.Log("URL: ", url)
// /c.Assert(req.URL.Path, check.Equals, "/denverdino_test/name")
}
func TestGetReader(t *testing.T) {
b := client.Bucket(TestBucket)
rc, err := b.GetReader("name")
if err != nil {
t.Fatalf("Failed for GetReader: %v", err)
}
data, err := ioutil.ReadAll(rc)
rc.Close()
if err != nil || string(data) != "content" {
t.Errorf("Failed for ReadAll: %v", err)
}
}
func aTestGetNotFound(t *testing.T) {
b := client.Bucket("non-existent-bucket")
_, err := b.Get("non-existent")
if err == nil {
t.Fatalf("Failed for TestGetNotFound: %v", err)
}
ossErr, _ := err.(*oss.Error)
if ossErr.StatusCode != 404 || ossErr.BucketName != "non-existent-bucket" {
t.Errorf("Failed for TestGetNotFound: %v", err)
}
}
func TestPutCopy(t *testing.T) {
b := client.Bucket(TestBucket)
t.Log("Source: ", b.Path("name"))
res, err := b.PutCopy("newname", oss.Private, oss.CopyOptions{},
b.Path("name"))
if err == nil {
t.Logf("Copy result: %v", res)
} else {
t.Errorf("Failed for PutCopy: %v", err)
}
}
func TestList(t *testing.T) {
b := client.Bucket(TestBucket)
data, err := b.List("n", "", "", 0)
if err != nil || len(data.Contents) != 2 {
t.Errorf("Failed for List: %v", err)
} else {
t.Logf("Contents = %++v", data)
}
}
func TestListWithDelimiter(t *testing.T) {
b := client.Bucket(TestBucket)
data, err := b.List("photos/2006/", "/", "some-marker", 1000)
if err != nil || len(data.Contents) != 0 {
t.Errorf("Failed for List: %v", err)
} else {
t.Logf("Contents = %++v", data)
}
}
func TestPutReader(t *testing.T) {
b := client.Bucket(TestBucket)
buf := bytes.NewBufferString("content")
err := b.PutReader("name", buf, int64(buf.Len()), "content-type", oss.Private, oss.Options{})
if err != nil {
t.Errorf("Failed for PutReader: %v", err)
}
TestGetReader(t)
}
func TestExists(t *testing.T) {
b := client.Bucket(TestBucket)
result, err := b.Exists("name")
if err != nil || result != true {
t.Errorf("Failed for Exists: %v", err)
}
}
func TestLocation(t *testing.T) {
b := client.Bucket(TestBucket)
result, err := b.Location()
if err != nil || result != string(TestRegion) {
t.Errorf("Failed for Location: %v %s", err, result)
}
}
func TestACL(t *testing.T) {
b := client.Bucket(TestBucket)
result, err := b.ACL()
if err != nil {
t.Errorf("Failed for ACL: %v", err)
} else {
t.Logf("AccessControlPolicy: %++v", result)
}
}
func TestDelObject(t *testing.T) {
b := client.Bucket(TestBucket)
err := b.Del("name")
if err != nil {
t.Errorf("Failed for Del: %v", err)
}
}
func TestDelMultiObjects(t *testing.T) {
b := client.Bucket(TestBucket)
objects := []oss.Object{oss.Object{Key: "newname"}}
err := b.DelMulti(oss.Delete{
Quiet: false,
Objects: objects,
})
if err != nil {
t.Errorf("Failed for DelMulti: %v", err)
}
}
func TestGetService(t *testing.T) {
bucketList, err := client.GetService()
if err != nil {
t.Errorf("Unable to get service: %v", err)
} else {
t.Logf("GetService: %++v", bucketList)
}
}
func TestDelBucket(t *testing.T) {
b := client.Bucket(TestBucket)
err := b.DelBucket()
if err != nil {
t.Errorf("Failed for DelBucket: %v", err)
}
}

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package oss_test
import (
"github.com/denverdino/aliyungo/oss"
)
//Modify with your Access Key Id and Access Key Secret
const (
TestAccessKeyId = "MY_ACCESS_KEY_ID"
TestAccessKeySecret = "MY_ACCESS_KEY_ID"
TestIAmRich = false
TestRegion = oss.Beijing
TestBucket = "denverdino"
)

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package oss
import (
"github.com/denverdino/aliyungo/util"
)
var originalStrategy = attempts
func SetAttemptStrategy(s *util.AttemptStrategy) {
if s == nil {
attempts = originalStrategy
} else {
attempts = *s
}
}
func SetListPartsMax(n int) {
listPartsMax = n
}
func SetListMultiMax(n int) {
listMultiMax = n
}

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package oss
import (
"bytes"
"crypto/md5"
"encoding/base64"
"encoding/hex"
"encoding/xml"
"errors"
"io"
//"log"
"net/http"
"net/url"
"sort"
"strconv"
"strings"
)
// Multi represents an unfinished multipart upload.
//
// Multipart uploads allow sending big objects in smaller chunks.
// After all parts have been sent, the upload must be explicitly
// completed by calling Complete with the list of parts.
type Multi struct {
Bucket *Bucket
Key string
UploadId string
}
// That's the default. Here just for testing.
var listMultiMax = 1000
type listMultiResp struct {
NextKeyMarker string
NextUploadIdMarker string
IsTruncated bool
Upload []Multi
CommonPrefixes []string `xml:"CommonPrefixes>Prefix"`
}
// ListMulti returns the list of unfinished multipart uploads in b.
//
// The prefix parameter limits the response to keys that begin with the
// specified prefix. You can use prefixes to separate a bucket into different
// groupings of keys (to get the feeling of folders, for example).
//
// The delim parameter causes the response to group all of the keys that
// share a common prefix up to the next delimiter in a single entry within
// the CommonPrefixes field. You can use delimiters to separate a bucket
// into different groupings of keys, similar to how folders would work.
//
func (b *Bucket) ListMulti(prefix, delim string) (multis []*Multi, prefixes []string, err error) {
params := make(url.Values)
params.Set("uploads", "")
params.Set("max-uploads", strconv.FormatInt(int64(listMultiMax), 10))
params.Set("prefix", prefix)
params.Set("delimiter", delim)
for attempt := attempts.Start(); attempt.Next(); {
req := &request{
method: "GET",
bucket: b.Name,
params: params,
}
var resp listMultiResp
err := b.Client.query(req, &resp)
if shouldRetry(err) && attempt.HasNext() {
continue
}
if err != nil {
return nil, nil, err
}
for i := range resp.Upload {
multi := &resp.Upload[i]
multi.Bucket = b
multis = append(multis, multi)
}
prefixes = append(prefixes, resp.CommonPrefixes...)
if !resp.IsTruncated {
return multis, prefixes, nil
}
params.Set("key-marker", resp.NextKeyMarker)
params.Set("upload-id-marker", resp.NextUploadIdMarker)
attempt = attempts.Start() // Last request worked.
}
panic("unreachable")
}
// Multi returns a multipart upload handler for the provided key
// inside b. If a multipart upload exists for key, it is returned,
// otherwise a new multipart upload is initiated with contType and perm.
func (b *Bucket) Multi(key, contType string, perm ACL, options Options) (*Multi, error) {
multis, _, err := b.ListMulti(key, "")
if err != nil && !hasCode(err, "NoSuchUpload") {
return nil, err
}
for _, m := range multis {
if m.Key == key {
return m, nil
}
}
return b.InitMulti(key, contType, perm, options)
}
// InitMulti initializes a new multipart upload at the provided
// key inside b and returns a value for manipulating it.
//
func (b *Bucket) InitMulti(key string, contType string, perm ACL, options Options) (*Multi, error) {
headers := make(http.Header)
headers.Set("Content-Length", "0")
headers.Set("Content-Type", contType)
headers.Set("x-oss-acl", string(perm))
options.addHeaders(headers)
params := make(url.Values)
params.Set("uploads", "")
req := &request{
method: "POST",
bucket: b.Name,
path: key,
headers: headers,
params: params,
}
var err error
var resp struct {
UploadId string `xml:"UploadId"`
}
for attempt := attempts.Start(); attempt.Next(); {
err = b.Client.query(req, &resp)
if !shouldRetry(err) {
break
}
}
if err != nil {
return nil, err
}
return &Multi{Bucket: b, Key: key, UploadId: resp.UploadId}, nil
}
func (m *Multi) PutPartCopy(n int, options CopyOptions, source string) (*CopyObjectResult, Part, error) {
headers := make(http.Header)
headers.Set("x-oss-copy-source", source)
options.addHeaders(headers)
params := make(url.Values)
params.Set("uploadId", m.UploadId)
params.Set("partNumber", strconv.FormatInt(int64(n), 10))
sourceBucket := m.Bucket.Client.Bucket(strings.TrimRight(strings.Split(source, "/")[1], "/"))
//log.Println("source: ", source)
//log.Println("sourceBucket: ", sourceBucket.Name)
//log.Println("HEAD: ", strings.Split(source, "/")[2])
sourceMeta, err := sourceBucket.Head(strings.Split(source, "/")[2], nil)
if err != nil {
return nil, Part{}, err
}
for attempt := attempts.Start(); attempt.Next(); {
req := &request{
method: "PUT",
bucket: m.Bucket.Name,
path: m.Key,
headers: headers,
params: params,
}
resp := &CopyObjectResult{}
err = m.Bucket.Client.query(req, resp)
if shouldRetry(err) && attempt.HasNext() {
continue
}
if err != nil {
return nil, Part{}, err
}
if resp.ETag == "" {
return nil, Part{}, errors.New("part upload succeeded with no ETag")
}
return resp, Part{n, resp.ETag, sourceMeta.ContentLength}, nil
}
panic("unreachable")
}
// PutPart sends part n of the multipart upload, reading all the content from r.
// Each part, except for the last one, must be at least 5MB in size.
//
func (m *Multi) PutPart(n int, r io.ReadSeeker) (Part, error) {
partSize, _, md5b64, err := seekerInfo(r)
if err != nil {
return Part{}, err
}
return m.putPart(n, r, partSize, md5b64)
}
func (m *Multi) putPart(n int, r io.ReadSeeker, partSize int64, md5b64 string) (Part, error) {
headers := make(http.Header)
headers.Set("Content-Length", strconv.FormatInt(partSize, 10))
headers.Set("Content-MD5", md5b64)
params := make(url.Values)
params.Set("uploadId", m.UploadId)
params.Set("partNumber", strconv.FormatInt(int64(n), 10))
for attempt := attempts.Start(); attempt.Next(); {
_, err := r.Seek(0, 0)
if err != nil {
return Part{}, err
}
req := &request{
method: "PUT",
bucket: m.Bucket.Name,
path: m.Key,
headers: headers,
params: params,
payload: r,
}
err = m.Bucket.Client.prepare(req)
if err != nil {
return Part{}, err
}
resp, err := m.Bucket.Client.run(req, nil)
if shouldRetry(err) && attempt.HasNext() {
continue
}
if err != nil {
return Part{}, err
}
etag := resp.Header.Get("ETag")
if etag == "" {
return Part{}, errors.New("part upload succeeded with no ETag")
}
return Part{n, etag, partSize}, nil
}
panic("unreachable")
}
func seekerInfo(r io.ReadSeeker) (size int64, md5hex string, md5b64 string, err error) {
_, err = r.Seek(0, 0)
if err != nil {
return 0, "", "", err
}
digest := md5.New()
size, err = io.Copy(digest, r)
if err != nil {
return 0, "", "", err
}
sum := digest.Sum(nil)
md5hex = hex.EncodeToString(sum)
md5b64 = base64.StdEncoding.EncodeToString(sum)
return size, md5hex, md5b64, nil
}
type Part struct {
N int `xml:"PartNumber"`
ETag string
Size int64
}
type partSlice []Part
func (s partSlice) Len() int { return len(s) }
func (s partSlice) Less(i, j int) bool { return s[i].N < s[j].N }
func (s partSlice) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
type listPartsResp struct {
NextPartNumberMarker string
IsTruncated bool
Part []Part
}
// That's the default. Here just for testing.
var listPartsMax = 1000
// ListParts for backcompatability. See the documentation for ListPartsFull
func (m *Multi) ListParts() ([]Part, error) {
return m.ListPartsFull(0, listPartsMax)
}
// ListPartsFull returns the list of previously uploaded parts in m,
// ordered by part number (Only parts with higher part numbers than
// partNumberMarker will be listed). Only up to maxParts parts will be
// returned.
//
func (m *Multi) ListPartsFull(partNumberMarker int, maxParts int) ([]Part, error) {
if maxParts > listPartsMax {
maxParts = listPartsMax
}
params := make(url.Values)
params.Set("uploadId", m.UploadId)
params.Set("max-parts", strconv.FormatInt(int64(maxParts), 10))
params.Set("part-number-marker", strconv.FormatInt(int64(partNumberMarker), 10))
var parts partSlice
for attempt := attempts.Start(); attempt.Next(); {
req := &request{
method: "GET",
bucket: m.Bucket.Name,
path: m.Key,
params: params,
}
var resp listPartsResp
err := m.Bucket.Client.query(req, &resp)
if shouldRetry(err) && attempt.HasNext() {
continue
}
if err != nil {
return nil, err
}
parts = append(parts, resp.Part...)
if !resp.IsTruncated {
sort.Sort(parts)
return parts, nil
}
params.Set("part-number-marker", resp.NextPartNumberMarker)
attempt = attempts.Start() // Last request worked.
}
panic("unreachable")
}
type ReaderAtSeeker interface {
io.ReaderAt
io.ReadSeeker
}
// PutAll sends all of r via a multipart upload with parts no larger
// than partSize bytes, which must be set to at least 5MB.
// Parts previously uploaded are either reused if their checksum
// and size match the new part, or otherwise overwritten with the
// new content.
// PutAll returns all the parts of m (reused or not).
func (m *Multi) PutAll(r ReaderAtSeeker, partSize int64) ([]Part, error) {
old, err := m.ListParts()
if err != nil && !hasCode(err, "NoSuchUpload") {
return nil, err
}
reuse := 0 // Index of next old part to consider reusing.
current := 1 // Part number of latest good part handled.
totalSize, err := r.Seek(0, 2)
if err != nil {
return nil, err
}
first := true // Must send at least one empty part if the file is empty.
var result []Part
NextSection:
for offset := int64(0); offset < totalSize || first; offset += partSize {
first = false
if offset+partSize > totalSize {
partSize = totalSize - offset
}
section := io.NewSectionReader(r, offset, partSize)
_, md5hex, md5b64, err := seekerInfo(section)
if err != nil {
return nil, err
}
for reuse < len(old) && old[reuse].N <= current {
// Looks like this part was already sent.
part := &old[reuse]
etag := `"` + md5hex + `"`
if part.N == current && part.Size == partSize && part.ETag == etag {
// Checksum matches. Reuse the old part.
result = append(result, *part)
current++
continue NextSection
}
reuse++
}
// Part wasn't found or doesn't match. Send it.
part, err := m.putPart(current, section, partSize, md5b64)
if err != nil {
return nil, err
}
result = append(result, part)
current++
}
return result, nil
}
type completeUpload struct {
XMLName xml.Name `xml:"CompleteMultipartUpload"`
Parts completeParts `xml:"Part"`
}
type completePart struct {
PartNumber int
ETag string
}
type completeParts []completePart
func (p completeParts) Len() int { return len(p) }
func (p completeParts) Less(i, j int) bool { return p[i].PartNumber < p[j].PartNumber }
func (p completeParts) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
// Complete assembles the given previously uploaded parts into the
// final object. This operation may take several minutes.
//
func (m *Multi) Complete(parts []Part) error {
params := make(url.Values)
params.Set("uploadId", m.UploadId)
c := completeUpload{}
for _, p := range parts {
c.Parts = append(c.Parts, completePart{p.N, p.ETag})
}
sort.Sort(c.Parts)
data, err := xml.Marshal(&c)
if err != nil {
return err
}
for attempt := attempts.Start(); attempt.Next(); {
req := &request{
method: "POST",
bucket: m.Bucket.Name,
path: m.Key,
params: params,
payload: bytes.NewReader(data),
}
err := m.Bucket.Client.query(req, nil)
if shouldRetry(err) && attempt.HasNext() {
continue
}
return err
}
panic("unreachable")
}
// Abort deletes an unifinished multipart upload and any previously
// uploaded parts for it.
//
// After a multipart upload is aborted, no additional parts can be
// uploaded using it. However, if any part uploads are currently in
// progress, those part uploads might or might not succeed. As a result,
// it might be necessary to abort a given multipart upload multiple
// times in order to completely free all storage consumed by all parts.
//
// NOTE: If the described scenario happens to you, please report back to
// the goamz authors with details. In the future such retrying should be
// handled internally, but it's not clear what happens precisely (Is an
// error returned? Is the issue completely undetectable?).
//
func (m *Multi) Abort() error {
params := make(url.Values)
params.Set("uploadId", m.UploadId)
for attempt := attempts.Start(); attempt.Next(); {
req := &request{
method: "DELETE",
bucket: m.Bucket.Name,
path: m.Key,
params: params,
}
err := m.Bucket.Client.query(req, nil)
if shouldRetry(err) && attempt.HasNext() {
continue
}
return err
}
panic("unreachable")
}

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package oss_test
import (
//"encoding/xml"
"github.com/denverdino/aliyungo/oss"
"testing"
//"io"
//"io/ioutil"
"strings"
)
func TestCreateBucketMulti(t *testing.T) {
TestCreateBucket(t)
}
func TestInitMulti(t *testing.T) {
b := client.Bucket(TestBucket)
metadata := make(map[string][]string)
metadata["key1"] = []string{"value1"}
metadata["key2"] = []string{"value2"}
options := oss.Options{
ServerSideEncryption: true,
Meta: metadata,
ContentEncoding: "text/utf8",
CacheControl: "no-cache",
ContentMD5: "0000000000000000",
}
multi, err := b.InitMulti("multi", "text/plain", oss.Private, options)
if err != nil {
t.Errorf("Failed for InitMulti: %v", err)
} else {
t.Logf("InitMulti result: %++v", multi)
}
}
func TestMultiReturnOld(t *testing.T) {
b := client.Bucket(TestBucket)
multi, err := b.Multi("multi", "text/plain", oss.Private, oss.Options{})
if err != nil {
t.Errorf("Failed for Multi: %v", err)
} else {
t.Logf("Multi result: %++v", multi)
}
}
func TestPutPart(t *testing.T) {
b := client.Bucket(TestBucket)
multi, err := b.Multi("multi", "text/plain", oss.Private, oss.Options{})
if err != nil {
t.Fatalf("Failed for Multi: %v", err)
}
part, err := multi.PutPart(1, strings.NewReader("<part 1>"))
if err != nil {
t.Errorf("Failed for PutPart: %v", err)
} else {
t.Logf("PutPart result: %++v", part)
}
}
func TestPutPartCopy(t *testing.T) {
TestPutObject(t)
b := client.Bucket(TestBucket)
multi, err := b.Multi("multi", "text/plain", oss.Private, oss.Options{})
if err != nil {
t.Fatalf("Failed for Multi: %v", err)
}
res, part, err := multi.PutPartCopy(2, oss.CopyOptions{}, b.Path("name"))
if err != nil {
t.Errorf("Failed for PutPartCopy: %v", err)
} else {
t.Logf("PutPartCopy result: %++v %++v", part, res)
}
TestDelObject(t)
}
func TestListParts(t *testing.T) {
b := client.Bucket(TestBucket)
multi, err := b.Multi("multi", "text/plain", oss.Private, oss.Options{})
if err != nil {
t.Fatalf("Failed for Multi: %v", err)
}
parts, err := multi.ListParts()
if err != nil {
t.Errorf("Failed for ListParts: %v", err)
} else {
t.Logf("ListParts result: %++v", parts)
}
}
func TestListMulti(t *testing.T) {
b := client.Bucket(TestBucket)
multis, prefixes, err := b.ListMulti("", "/")
if err != nil {
t.Errorf("Failed for ListMulti: %v", err)
} else {
t.Logf("ListMulti result : %++v %++v", multis, prefixes)
}
}
func TestMultiAbort(t *testing.T) {
b := client.Bucket(TestBucket)
multi, err := b.Multi("multi", "text/plain", oss.Private, oss.Options{})
if err != nil {
t.Fatalf("Failed for Multi: %v", err)
}
err = multi.Abort()
if err != nil {
t.Errorf("Failed for Abort: %v", err)
}
}
func TestPutAll(t *testing.T) {
TestInitMulti(t)
// Don't retry the NoSuchUpload error.
b := client.Bucket(TestBucket)
multi, err := b.Multi("multi", "text/plain", oss.Private, oss.Options{})
if err != nil {
t.Fatalf("Failed for Multi: %v", err)
}
// Must send at least one part, so that completing it will work.
parts, err := multi.PutAll(strings.NewReader("part1part2last"), 5)
if err != nil {
t.Errorf("Failed for PutAll: %v", err)
} else {
t.Logf("PutAll result: %++v", parts)
}
// // Must send at least one part, so that completing it will work.
// err = multi.Complete(parts)
// if err != nil {
// t.Errorf("Failed for Complete: %v", err)
// }
err = multi.Abort()
if err != nil {
t.Errorf("Failed for Abort: %v", err)
}
}
func TestCleanUp(t *testing.T) {
TestDelBucket(t)
}

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package oss
import (
"fmt"
)
// Region represents OSS region
type Region string
// Constants of region definition
const (
Hangzhou = Region("oss-cn-hangzhou")
Qingdao = Region("oss-cn-qingdao")
Beijing = Region("oss-cn-beijing")
Hongkong = Region("oss-cn-hongkong")
Shenzhen = Region("oss-cn-shenzhen")
USWest1 = Region("oss-us-west-1")
DefaultRegion = Hangzhou
)
// GetEndpoint returns endpoint of region
func (r Region) GetEndpoint(internal bool, bucket string, secure bool) string {
if internal {
return r.GetInternalEndpoint(bucket, secure)
}
return r.GetInternetEndpoint(bucket, secure)
}
func getProtocol(secure bool) string {
protocol := "http"
if secure {
protocol = "https"
}
return protocol
}
// GetInternetEndpoint returns internet endpoint of region
func (r Region) GetInternetEndpoint(bucket string, secure bool) string {
protocol := getProtocol(secure)
if bucket == "" {
return fmt.Sprintf("%s://oss.aliyuncs.com", protocol)
}
return fmt.Sprintf("%s://%s.%s.aliyuncs.com", protocol, bucket, string(r))
}
// GetInternalEndpoint returns internal endpoint of region
func (r Region) GetInternalEndpoint(bucket string, secure bool) string {
protocol := getProtocol(secure)
if bucket == "" {
return fmt.Sprintf("%s://oss-internal.aliyuncs.com", protocol)
}
return fmt.Sprintf("%s://%s.%s-internal.aliyuncs.com", protocol, bucket, string(r))
}

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package oss
import (
"github.com/denverdino/aliyungo/util"
//"log"
"net/http"
"net/url"
"sort"
"strings"
)
const HeaderOSSPrefix = "x-oss-"
var ossParamsToSign = map[string]bool{
"acl": true,
"delete": true,
"location": true,
"logging": true,
"notification": true,
"partNumber": true,
"policy": true,
"requestPayment": true,
"torrent": true,
"uploadId": true,
"uploads": true,
"versionId": true,
"versioning": true,
"versions": true,
"response-content-type": true,
"response-content-language": true,
"response-expires": true,
"response-cache-control": true,
"response-content-disposition": true,
"response-content-encoding": true,
}
func (client *Client) signRequest(request *request) {
query := request.params
urlSignature := query.Get("OSSAccessKeyId") != ""
headers := request.headers
contentMd5 := headers.Get("Content-Md5")
contentType := headers.Get("Content-Type")
date := ""
if urlSignature {
date = query.Get("Expires")
} else {
date = headers.Get("Date")
}
resource := request.path
if request.bucket != "" {
resource = "/" + request.bucket + request.path
}
params := make(url.Values)
for k, v := range query {
if ossParamsToSign[k] {
params[k] = v
}
}
if len(params) > 0 {
resource = resource + "?" + util.Encode(params)
}
canonicalizedResource := resource
_, canonicalizedHeader := canonicalizeHeader(headers)
stringToSign := request.method + "\n" + contentMd5 + "\n" + contentType + "\n" + date + "\n" + canonicalizedHeader + canonicalizedResource
//log.Println("stringToSign: ", stringToSign)
signature := util.CreateSignature(stringToSign, client.AccessKeySecret)
if query.Get("OSSAccessKeyId") != "" {
query.Set("Signature", signature)
} else {
headers.Set("Authorization", "OSS "+client.AccessKeyId+":"+signature)
}
}
//Have to break the abstraction to append keys with lower case.
func canonicalizeHeader(headers http.Header) (newHeaders http.Header, result string) {
var canonicalizedHeaders []string
newHeaders = http.Header{}
for k, v := range headers {
if lower := strings.ToLower(k); strings.HasPrefix(lower, HeaderOSSPrefix) {
newHeaders[lower] = v
canonicalizedHeaders = append(canonicalizedHeaders, lower)
} else {
newHeaders[k] = v
}
}
sort.Strings(canonicalizedHeaders)
var canonicalizedHeader string
for _, k := range canonicalizedHeaders {
canonicalizedHeader += k + ":" + headers.Get(k) + "\n"
}
return newHeaders, canonicalizedHeader
}

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package util
import (
"time"
)
// AttemptStrategy represents a strategy for waiting for an action
// to complete successfully. This is an internal type used by the
// implementation of other goamz packages.
type AttemptStrategy struct {
Total time.Duration // total duration of attempt.
Delay time.Duration // interval between each try in the burst.
Min int // minimum number of retries; overrides Total
}
type Attempt struct {
strategy AttemptStrategy
last time.Time
end time.Time
force bool
count int
}
// Start begins a new sequence of attempts for the given strategy.
func (s AttemptStrategy) Start() *Attempt {
now := time.Now()
return &Attempt{
strategy: s,
last: now,
end: now.Add(s.Total),
force: true,
}
}
// Next waits until it is time to perform the next attempt or returns
// false if it is time to stop trying.
func (a *Attempt) Next() bool {
now := time.Now()
sleep := a.nextSleep(now)
if !a.force && !now.Add(sleep).Before(a.end) && a.strategy.Min <= a.count {
return false
}
a.force = false
if sleep > 0 && a.count > 0 {
time.Sleep(sleep)
now = time.Now()
}
a.count++
a.last = now
return true
}
func (a *Attempt) nextSleep(now time.Time) time.Duration {
sleep := a.strategy.Delay - now.Sub(a.last)
if sleep < 0 {
return 0
}
return sleep
}
// HasNext returns whether another attempt will be made if the current
// one fails. If it returns true, the following call to Next is
// guaranteed to return true.
func (a *Attempt) HasNext() bool {
if a.force || a.strategy.Min > a.count {
return true
}
now := time.Now()
if now.Add(a.nextSleep(now)).Before(a.end) {
a.force = true
return true
}
return false
}

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package util
import (
"testing"
"time"
)
func TestAttemptTiming(t *testing.T) {
testAttempt := AttemptStrategy{
Total: 0.25e9,
Delay: 0.1e9,
}
want := []time.Duration{0, 0.1e9, 0.2e9, 0.2e9}
got := make([]time.Duration, 0, len(want)) // avoid allocation when testing timing
t0 := time.Now()
for a := testAttempt.Start(); a.Next(); {
got = append(got, time.Now().Sub(t0))
}
got = append(got, time.Now().Sub(t0))
if len(got) != len(want) {
t.Fatalf("Failed!")
}
const margin = 0.01e9
for i, got := range want {
lo := want[i] - margin
hi := want[i] + margin
if got < lo || got > hi {
t.Errorf("attempt %d want %g got %g", i, want[i].Seconds(), got.Seconds())
}
}
}
func TestAttemptNextHasNext(t *testing.T) {
a := AttemptStrategy{}.Start()
if !a.Next() {
t.Fatalf("Failed!")
}
if a.Next() {
t.Fatalf("Failed!")
}
a = AttemptStrategy{}.Start()
if !a.Next() {
t.Fatalf("Failed!")
}
if a.HasNext() {
t.Fatalf("Failed!")
}
if a.Next() {
t.Fatalf("Failed!")
}
a = AttemptStrategy{Total: 2e8}.Start()
if !a.Next() {
t.Fatalf("Failed!")
}
if !a.HasNext() {
t.Fatalf("Failed!")
}
time.Sleep(2e8)
if !a.HasNext() {
t.Fatalf("Failed!")
}
if !a.Next() {
t.Fatalf("Failed!")
}
if a.Next() {
t.Fatalf("Failed!")
}
a = AttemptStrategy{Total: 1e8, Min: 2}.Start()
time.Sleep(1e8)
if !a.Next() {
t.Fatalf("Failed!")
}
if !a.HasNext() {
t.Fatalf("Failed!")
}
if !a.Next() {
t.Fatalf("Failed!")
}
if a.HasNext() {
t.Fatalf("Failed!")
}
if a.Next() {
t.Fatalf("Failed!")
}
}

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package util
import (
"encoding/json"
"fmt"
"log"
"net/url"
"reflect"
"strconv"
"time"
)
//ConvertToQueryValues converts the struct to url.Values
func ConvertToQueryValues(ifc interface{}) url.Values {
values := url.Values{}
SetQueryValues(ifc, &values)
return values
}
//SetQueryValues sets the struct to existing url.Values following ECS encoding rules
func SetQueryValues(ifc interface{}, values *url.Values) {
setQueryValues(ifc, values, "")
}
func setQueryValues(i interface{}, values *url.Values, prefix string) {
elem := reflect.ValueOf(i)
if elem.Kind() == reflect.Ptr {
elem = elem.Elem()
}
elemType := elem.Type()
for i := 0; i < elem.NumField(); i++ {
fieldName := elemType.Field(i).Name
field := elem.Field(i)
// TODO Use Tag for validation
// tag := typ.Field(i).Tag.Get("tagname")
kind := field.Kind()
if (kind == reflect.Ptr || kind == reflect.Array || kind == reflect.Slice || kind == reflect.Map || kind == reflect.Chan) && field.IsNil() {
continue
}
if kind == reflect.Ptr {
field = field.Elem()
}
var value string
switch field.Interface().(type) {
case int, int8, int16, int32, int64:
i := field.Int()
if i != 0 {
value = strconv.FormatInt(i, 10)
}
case uint, uint8, uint16, uint32, uint64:
i := field.Uint()
if i != 0 {
value = strconv.FormatUint(i, 10)
}
case float32:
value = strconv.FormatFloat(field.Float(), 'f', 4, 32)
case float64:
value = strconv.FormatFloat(field.Float(), 'f', 4, 64)
case []byte:
value = string(field.Bytes())
case bool:
value = strconv.FormatBool(field.Bool())
case string:
value = field.String()
case []string:
l := field.Len()
if l > 0 {
strArray := make([]string, l)
for i := 0; i < l; i++ {
strArray[i] = field.Index(i).String()
}
bytes, err := json.Marshal(strArray)
if err == nil {
value = string(bytes)
} else {
log.Printf("Failed to convert JSON: %v", err)
}
}
case time.Time:
t := field.Interface().(time.Time)
value = GetISO8601TimeStamp(t)
default:
if kind == reflect.Slice { //Array of structs
l := field.Len()
for j := 0; j < l; j++ {
prefixName := fmt.Sprintf("%s.%d.", fieldName, (j + 1))
ifc := field.Index(j).Interface()
log.Printf("%s : %v", prefixName, ifc)
if ifc != nil {
setQueryValues(ifc, values, prefixName)
}
}
} else {
ifc := field.Interface()
if ifc != nil {
SetQueryValues(ifc, values)
continue
}
}
}
if value != "" {
name := elemType.Field(i).Tag.Get("ArgName")
if name == "" {
name = fieldName
}
if prefix != "" {
name = prefix + name
}
values.Set(name, value)
}
}
}

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package util
import (
"testing"
"time"
)
type SubStruct struct {
A string
B int
}
type TestStruct struct {
Format string
Version string
AccessKeyId string
Timestamp time.Time
Empty string
IntValue int `ArgName:"int-value"`
BoolPtr *bool `ArgName:"bool-ptr"`
IntPtr *int `ArgName:"int-ptr"`
StringArray []string `ArgName:"str-array"`
StructArray []SubStruct
}
func TestConvertToQueryValues(t *testing.T) {
boolValue := true
request := TestStruct{
Format: "JSON",
Version: "1.0",
Timestamp: time.Date(2015, time.Month(5), 26, 1, 2, 3, 4, time.UTC),
IntValue: 10,
BoolPtr: &boolValue,
StringArray: []string{"abc", "xyz"},
StructArray: []SubStruct{
SubStruct{A: "a", B: 1},
SubStruct{A: "x", B: 2},
},
}
result := ConvertToQueryValues(&request).Encode()
const expectedResult = "Format=JSON&StructArray.1.A=a&StructArray.1.B=1&StructArray.2.A=x&StructArray.2.B=2&Timestamp=2015-05-26T01%3A02%3A03Z&Version=1.0&bool-ptr=true&int-value=10&str-array=%5B%22abc%22%2C%22xyz%22%5D"
if result != expectedResult {
t.Error("Incorrect encoding: ", result)
}
}

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package util
import (
"fmt"
"time"
)
// GetISO8601TimeStamp gets timestamp string in ISO8601 format
func GetISO8601TimeStamp(ts time.Time) string {
t := ts.UTC()
return fmt.Sprintf("%04d-%02d-%02dT%02d:%02d:%02dZ", t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second())
}
const formatISO8601 = "2006-01-02T15:04:05Z"
const jsonFormatISO8601 = `"` + formatISO8601 + `"`
// A ISO6801Time represents a time in ISO8601 format
type ISO6801Time time.Time
// New constructs a new iso8601.Time instance from an existing
// time.Time instance. This causes the nanosecond field to be set to
// 0, and its time zone set to a fixed zone with no offset from UTC
// (but it is *not* UTC itself).
func New(t time.Time) ISO6801Time {
return ISO6801Time(time.Date(
t.Year(),
t.Month(),
t.Day(),
t.Hour(),
t.Minute(),
t.Second(),
0,
time.UTC,
))
}
// IsDefault checks if the time is default
func (it *ISO6801Time) IsDefault() bool {
return *it == ISO6801Time{}
}
// MarshalJSON serializes the ISO6801Time into JSON string
func (it ISO6801Time) MarshalJSON() ([]byte, error) {
return []byte(time.Time(it).Format(jsonFormatISO8601)), nil
}
// UnmarshalJSON deserializes the ISO6801Time from JSON string
func (it *ISO6801Time) UnmarshalJSON(data []byte) error {
if string(data) == "\"\"" {
return nil
}
t, err := time.ParseInLocation(jsonFormatISO8601, string(data), time.UTC)
if err == nil {
*it = ISO6801Time(t)
}
return err
}
// String returns the time in ISO6801Time format
func (it ISO6801Time) String() string {
return time.Time(it).String()
}

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package util
import (
"encoding/json"
"testing"
"time"
)
func TestISO8601Time(t *testing.T) {
now := New(time.Now().UTC())
data, err := json.Marshal(now)
if err != nil {
t.Fatal(err)
}
_, err = time.Parse(`"`+formatISO8601+`"`, string(data))
if err != nil {
t.Fatal(err)
}
var now2 ISO6801Time
err = json.Unmarshal(data, &now2)
if err != nil {
t.Fatal(err)
}
if now != now2 {
t.Fatalf("Time %s does not equal expected %s", now2, now)
}
if now.String() != now2.String() {
t.Fatalf("String format for %s does not equal expected %s", now2, now)
}
type TestTimeStruct struct {
A int
B *ISO6801Time
}
var testValue TestTimeStruct
err = json.Unmarshal([]byte("{\"A\": 1, \"B\":\"\"}"), &testValue)
if err != nil {
t.Fatal(err)
}
t.Logf("%v", testValue)
if !testValue.B.IsDefault() {
t.Fatal("Invaid Unmarshal result for ISO6801Time from empty value")
}
}

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package util
import (
"crypto/hmac"
"crypto/sha1"
"encoding/base64"
"net/url"
"strings"
)
//CreateSignature creates signature for string following Aliyun rules
func CreateSignature(stringToSignature, accessKeySecret string) string {
// Crypto by HMAC-SHA1
hmacSha1 := hmac.New(sha1.New, []byte(accessKeySecret))
hmacSha1.Write([]byte(stringToSignature))
sign := hmacSha1.Sum(nil)
// Encode to Base64
base64Sign := base64.StdEncoding.EncodeToString(sign)
return base64Sign
}
func percentReplace(str string) string {
str = strings.Replace(str, "+", "%20", -1)
str = strings.Replace(str, "*", "%2A", -1)
str = strings.Replace(str, "%7E", "~", -1)
return str
}
// CreateSignatureForRequest creates signature for query string values
func CreateSignatureForRequest(method string, values *url.Values, accessKeySecret string) string {
canonicalizedQueryString := percentReplace(values.Encode())
stringToSign := method + "&%2F&" + url.QueryEscape(canonicalizedQueryString)
return CreateSignature(stringToSign, accessKeySecret)
}

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package util
import (
"testing"
)
func TestCreateSignature(t *testing.T) {
str := "GET&%2F&AccessKeyId%3Dtestid%26Action%3DDescribeRegions%26Format%3DXML%26RegionId%3Dregion1%26SignatureMethod%3DHMAC-SHA1%26SignatureNonce%3DNwDAxvLU6tFE0DVb%26SignatureVersion%3D1.0%26TimeStamp%3D2012-12-26T10%253A33%253A56Z%26Version%3D2014-05-26"
signature := CreateSignature(str, "testsecret")
t.Log(signature)
}

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package util
import (
"bytes"
"math/rand"
"net/http"
"net/url"
"sort"
"strconv"
"time"
)
//CreateRandomString create random string
func CreateRandomString() string {
rand.Seed(time.Now().UnixNano())
randInt := rand.Int63()
randStr := strconv.FormatInt(randInt, 36)
return randStr
}
// Encode encodes the values into ``URL encoded'' form
// ("acl&bar=baz&foo=quux") sorted by key.
func Encode(v url.Values) string {
if v == nil {
return ""
}
var buf bytes.Buffer
keys := make([]string, 0, len(v))
for k := range v {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
vs := v[k]
prefix := url.QueryEscape(k)
for _, v := range vs {
if buf.Len() > 0 {
buf.WriteByte('&')
}
buf.WriteString(prefix)
if v != "" {
buf.WriteString("=")
buf.WriteString(url.QueryEscape(v))
}
}
}
return buf.String()
}
func GetGMTime() string {
return time.Now().UTC().Format(http.TimeFormat)
}