Golang s3.New函数代码示例

func TestPresignHandler(t *testing.T) {
	svc := s3.New(nil)
	req, _ := svc.PutObjectRequest(&s3.PutObjectInput{
		Bucket:             aws.String("bucket"),
		Key:                aws.String("key"),
		ContentDisposition: aws.String("a+b c$d"),
		ACL:                aws.String("public-read"),
	})
	req.Time = time.Unix(0, 0)
	urlstr, err := req.Presign(5 * time.Minute)

	assert.NoError(t, err)

	expectedDate := "19700101T000000Z"
	expectedHeaders := "host;x-amz-acl"
	expectedSig := "7edcb4e3a1bf12f4989018d75acbe3a7f03df24bd6f3112602d59fc551f0e4e2"
	expectedCred := "AKID/19700101/mock-region/s3/aws4_request"

	u, _ := url.Parse(urlstr)
	urlQ := u.Query()
	assert.Equal(t, expectedSig, urlQ.Get("X-Amz-Signature"))
	assert.Equal(t, expectedCred, urlQ.Get("X-Amz-Credential"))
	assert.Equal(t, expectedHeaders, urlQ.Get("X-Amz-SignedHeaders"))
	assert.Equal(t, expectedDate, urlQ.Get("X-Amz-Date"))
	assert.Equal(t, "300", urlQ.Get("X-Amz-Expires"))

	assert.NotContains(t, urlstr, "+") // + encoded as %20
}

func dlLoggingSvc(data []byte) (*s3.S3, *[]string, *[]string) {
	var m sync.Mutex
	names := []string{}
	ranges := []string{}

	svc := s3.New(nil)
	svc.Handlers.Send.Clear()
	svc.Handlers.Send.PushBack(func(r *aws.Request) {
		m.Lock()
		defer m.Unlock()

		names = append(names, r.Operation.Name)
		ranges = append(ranges, *r.Params.(*s3.GetObjectInput).Range)

		rerng := regexp.MustCompile(`bytes=(\d+)-(\d+)`)
		rng := rerng.FindStringSubmatch(r.HTTPRequest.Header.Get("Range"))
		start, _ := strconv.ParseInt(rng[1], 10, 64)
		fin, _ := strconv.ParseInt(rng[2], 10, 64)
		fin++

		if fin > int64(len(data)) {
			fin = int64(len(data))
		}

		r.HTTPResponse = &http.Response{
			StatusCode: 200,
			Body:       ioutil.NopCloser(bytes.NewReader(data[start:fin])),
			Header:     http.Header{},
		}
		r.HTTPResponse.Header.Set("Content-Range", fmt.Sprintf("bytes %d-%d/%d",
			start, fin, len(data)))
	})

	return svc, &names, &ranges
}

func loggingSvc() (*s3.S3, *[]string, *[]interface{}) {
	var m sync.Mutex
	partNum := 0
	names := []string{}
	params := []interface{}{}
	svc := s3.New(nil)
	svc.Handlers.Unmarshal.Clear()
	svc.Handlers.UnmarshalMeta.Clear()
	svc.Handlers.UnmarshalError.Clear()
	svc.Handlers.Send.Clear()
	svc.Handlers.Send.PushBack(func(r *aws.Request) {
		m.Lock()
		defer m.Unlock()

		names = append(names, r.Operation.Name)
		params = append(params, r.Params)

		r.HTTPResponse = &http.Response{
			StatusCode: 200,
			Body:       ioutil.NopCloser(bytes.NewReader([]byte{})),
		}

		switch data := r.Data.(type) {
		case *s3.CreateMultipartUploadOutput:
			data.UploadID = aws.String("UPLOAD-ID")
		case *s3.UploadPartOutput:
			partNum++
			data.ETag = aws.String(fmt.Sprintf("ETAG%d", partNum))
		case *s3.CompleteMultipartUploadOutput:
			data.Location = aws.String("https://location")
		}
	})

	return svc, &names, &params
}

func TestMD5InPutBucketPolicy(t *testing.T) {
	svc := s3.New(nil)
	req, _ := svc.PutBucketPolicyRequest(&s3.PutBucketPolicyInput{
		Bucket: aws.String("bucketname"),
		Policy: aws.String("{}"),
	})
	assertMD5(t, req)
}

func TestNoPopulateLocationConstraintIfClassic(t *testing.T) {
	s := s3.New(&aws.Config{Region: "us-east-1"})
	req, _ := s.CreateBucketRequest(&s3.CreateBucketInput{
		Bucket: aws.String("bucket"),
	})
	err := req.Build()
	assert.NoError(t, err)
	assert.Equal(t, 0, len(awsutil.ValuesAtPath(req.Params, "CreateBucketConfiguration.LocationConstraint")))
}

func TestNoPopulateLocationConstraintIfProvided(t *testing.T) {
	s := s3.New(nil)
	req, _ := s.CreateBucketRequest(&s3.CreateBucketInput{
		Bucket: aws.String("bucket"),
		CreateBucketConfiguration: &s3.CreateBucketConfiguration{},
	})
	err := req.Build()
	assert.NoError(t, err)
	assert.Equal(t, 0, len(awsutil.ValuesAtPath(req.Params, "CreateBucketConfiguration.LocationConstraint")))
}

func TestPopulateLocationConstraint(t *testing.T) {
	s := s3.New(nil)
	in := &s3.CreateBucketInput{
		Bucket: aws.String("bucket"),
	}
	req, _ := s.CreateBucketRequest(in)
	err := req.Build()
	assert.NoError(t, err)
	assert.Equal(t, "mock-region", awsutil.ValuesAtPath(req.Params, "CreateBucketConfiguration.LocationConstraint")[0])
	assert.Nil(t, in.CreateBucketConfiguration) // don't modify original params
}

func TestMD5InPutBucketCORS(t *testing.T) {
	svc := s3.New(nil)
	req, _ := svc.PutBucketCORSRequest(&s3.PutBucketCORSInput{
		Bucket: aws.String("bucketname"),
		CORSConfiguration: &s3.CORSConfiguration{
			CORSRules: []*s3.CORSRule{
				{AllowedMethods: []*string{aws.String("GET")}},
			},
		},
	})
	assertMD5(t, req)
}

func TestMD5InPutBucketTagging(t *testing.T) {
	svc := s3.New(nil)
	req, _ := svc.PutBucketTaggingRequest(&s3.PutBucketTaggingInput{
		Bucket: aws.String("bucketname"),
		Tagging: &s3.Tagging{
			TagSet: []*s3.Tag{
				{Key: aws.String("KEY"), Value: aws.String("VALUE")},
			},
		},
	})
	assertMD5(t, req)
}

func TestMD5InDeleteObjects(t *testing.T) {
	svc := s3.New(nil)
	req, _ := svc.DeleteObjectsRequest(&s3.DeleteObjectsInput{
		Bucket: aws.String("bucketname"),
		Delete: &s3.Delete{
			Objects: []*s3.ObjectIdentifier{
				{Key: aws.String("key")},
			},
		},
	})
	assertMD5(t, req)
}

// init will initialize all default options.
func (u *uploader) init() {
	if u.opts.S3 == nil {
		u.opts.S3 = s3.New(nil)
	}
	if u.opts.Concurrency == 0 {
		u.opts.Concurrency = DefaultUploadConcurrency
	}
	if u.opts.PartSize == 0 {
		u.opts.PartSize = DefaultUploadPartSize
	}

	// Try to get the total size for some optimizations
	u.initSize()
}

func TestCopySourceSSECustomerKeyOverHTTPError(t *testing.T) {
	s := s3.New(&aws.Config{DisableSSL: true})
	req, _ := s.CopyObjectRequest(&s3.CopyObjectInput{
		Bucket:     aws.String("bucket"),
		CopySource: aws.String("bucket/source"),
		Key:        aws.String("dest"),
		CopySourceSSECustomerKey: aws.String("key"),
	})
	err := req.Build()

	assert.Error(t, err)
	assert.Equal(t, "ConfigError", err.(awserr.Error).Code())
	assert.Contains(t, err.(awserr.Error).Message(), "cannot send SSE keys over HTTP")
}

// init initializes the downloader with default options.
func (d *downloader) init() {
	d.totalBytes = -1

	if d.opts.Concurrency == 0 {
		d.opts.Concurrency = DefaultDownloadConcurrency
	}

	if d.opts.PartSize == 0 {
		d.opts.PartSize = DefaultDownloadPartSize
	}

	if d.opts.S3 == nil {
		d.opts.S3 = s3.New(nil)
	}
}

func TestMD5InPutBucketLifecycle(t *testing.T) {
	svc := s3.New(nil)
	req, _ := svc.PutBucketLifecycleRequest(&s3.PutBucketLifecycleInput{
		Bucket: aws.String("bucketname"),
		LifecycleConfiguration: &s3.LifecycleConfiguration{
			Rules: []*s3.LifecycleRule{
				{
					ID:     aws.String("ID"),
					Prefix: aws.String("Prefix"),
					Status: aws.String("Enabled"),
				},
			},
		},
	})
	assertMD5(t, req)
}

// Use S3 for simplicity
func TestPaginationTruncation(t *testing.T) {
	count := 0
	client := s3.New(nil)

	reqNum := &count
	resps := []*s3.ListObjectsOutput{
		{IsTruncated: aws.Boolean(true), Contents: []*s3.Object{{Key: aws.String("Key1")}}},
		{IsTruncated: aws.Boolean(true), Contents: []*s3.Object{{Key: aws.String("Key2")}}},
		{IsTruncated: aws.Boolean(false), Contents: []*s3.Object{{Key: aws.String("Key3")}}},
		{IsTruncated: aws.Boolean(true), Contents: []*s3.Object{{Key: aws.String("Key4")}}},
	}

	client.Handlers.Send.Clear() // mock sending
	client.Handlers.Unmarshal.Clear()
	client.Handlers.UnmarshalMeta.Clear()
	client.Handlers.ValidateResponse.Clear()
	client.Handlers.Unmarshal.PushBack(func(r *aws.Request) {
		r.Data = resps[*reqNum]
		*reqNum++
	})

	params := &s3.ListObjectsInput{Bucket: aws.String("bucket")}

	results := []string{}
	err := client.ListObjectsPages(params, func(p *s3.ListObjectsOutput, last bool) bool {
		results = append(results, *p.Contents[0].Key)
		return true
	})

	assert.Equal(t, []string{"Key1", "Key2", "Key3"}, results)
	assert.Nil(t, err)

	// Try again without truncation token at all
	count = 0
	resps[1].IsTruncated = nil
	resps[2].IsTruncated = aws.Boolean(true)
	results = []string{}
	err = client.ListObjectsPages(params, func(p *s3.ListObjectsOutput, last bool) bool {
		results = append(results, *p.Contents[0].Key)
		return true
	})

	assert.Equal(t, []string{"Key1", "Key2"}, results)
	assert.Nil(t, err)

}