Files
cloudpods/pkg/multicloud/ucloud/ufile.go
2020-03-03 14:36:11 +08:00

394 lines
11 KiB
Go

// Copyright 2019 Yunion
//
// 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 ucloud
import (
"context"
"crypto/hmac"
"crypto/sha1"
"encoding/base64"
"fmt"
"io"
"net/http"
"net/url"
"strconv"
"time"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/onecloud/pkg/cloudprovider"
"yunion.io/x/onecloud/pkg/multicloud"
"yunion.io/x/onecloud/pkg/util/httputils"
)
type SBucket struct {
multicloud.SBaseBucket
region *SRegion
// projectId string
Domain Domain `json:"Domain"`
BucketID string `json:"BucketId"`
Region string `json:"Region"`
CreateTime int64 `json:"CreateTime"`
Biz string `json:"Biz"`
BucketName string `json:"BucketName"`
ModifyTime int64 `json:"ModifyTime"`
Type string `json:"Type"`
Tag string `json:"Tag"`
HasUserDomain int64 `json:"HasUserDomain"`
CDNDomainID []string `json:"CdnDomainId"`
}
type Domain struct {
Src []string `json:"Src"`
CDN []string `json:"Cdn"`
CustomCDN []interface{} `json:"CustomCdn"`
CustomSrc []interface{} `json:"CustomSrc"`
}
type SFile struct {
bucket *SBucket
BucketName string `json:"BucketName"`
FileName string `json:"FileName"`
Size int64 `json:"Size"`
Hash string `json:"Hash"`
MimeType string `json:"MimeType"`
CreateTime int64 `json:"CreateTime"`
ModifyTime int64 `json:"ModifyTime"`
StorageClass string `json:"StorageClass"`
file io.Reader
}
func (client *SUcloudClient) signHeader(httpMethod string, path string, md5 string) string {
contentType := ""
if httpMethod == http.MethodPut {
contentType = "application/octet-stream"
}
data := httpMethod + "\n"
data += md5 + "\n"
data += contentType + "\n"
data += "\n"
data += path
log.Debugf("sign %s", data)
h := hmac.New(sha1.New, []byte(client.accessKeySecret))
h.Write([]byte(data))
return base64.StdEncoding.EncodeToString(h.Sum(nil))
}
func (self *SFile) signHeader(httpMethod string) string {
return self.bucket.region.client.signHeader(httpMethod, "/"+self.bucket.BucketName+"/"+self.FileName, self.Hash)
}
func (self *SFile) auth(httpMethod string) string {
return "UCloud" + " " + self.bucket.region.client.accessKeyId + ":" + self.signHeader(httpMethod)
}
func (self *SFile) GetHost() string {
return self.bucket.Domain.Src[0]
}
func (self *SFile) GetUrl() string {
return fmt.Sprintf("http://%s/%s", self.GetHost(), self.FileName)
}
// https://github.com/ufilesdk-dev/ufile-gosdk/blob/master/auth.go
func (self *SFile) FetchFileUrl() string {
expired := strconv.FormatInt(time.Now().Add(6*time.Hour).Unix(), 10)
// sign
data := "GET\n\n\n" + expired + "\n"
data += "/" + self.bucket.BucketName + "/" + self.FileName
h := hmac.New(sha1.New, []byte(self.bucket.region.client.accessKeySecret))
h.Write([]byte(data))
sign := base64.StdEncoding.EncodeToString(h.Sum(nil))
urlEncoder := url.Values{}
urlEncoder.Add("UCloudPublicKey", self.bucket.region.client.accessKeyId)
urlEncoder.Add("Signature", sign)
urlEncoder.Add("Expires", expired)
querys := urlEncoder.Encode()
return fmt.Sprintf("%s?%s", self.GetUrl(), querys)
}
func (self *SFile) Upload() error {
req, _ := http.NewRequest(http.MethodPut, self.GetUrl(), self.file)
req.Header.Add("Authorization", self.auth(http.MethodPut))
req.Header.Add("Content-MD5", self.Hash)
req.Header.Add("Content-Type", "application/octet-stream")
req.Header.Add("Content-Length", strconv.FormatInt(self.Size, 10))
_, err := doRequest(req)
return err
}
func (self *SFile) Delete() error {
req, _ := http.NewRequest(http.MethodDelete, self.GetUrl(), nil)
req.Header.Add("Authorization", self.auth(http.MethodDelete))
_, err := doRequest(req)
return err
}
func (self *SFile) GetIBucket() cloudprovider.ICloudBucket {
return self.bucket
}
func (self *SFile) GetKey() string {
return self.FileName
}
func (self *SFile) GetSizeBytes() int64 {
return self.Size
}
func (self *SFile) GetLastModified() time.Time {
return time.Unix(self.ModifyTime, 0)
}
func (self *SFile) GetStorageClass() string {
return self.StorageClass
}
func (self *SFile) GetETag() string {
return self.Hash
}
func (self *SFile) GetContentType() string {
return self.MimeType
}
func (self *SFile) GetAcl() cloudprovider.TBucketACLType {
return self.bucket.GetAcl()
}
func (self *SFile) SetAcl(cloudprovider.TBucketACLType) error {
return nil
}
func (self *SFile) GetMeta() http.Header {
return nil
}
func (self *SFile) SetMeta(ctx context.Context, meta http.Header) error {
return cloudprovider.ErrNotSupported
}
func doRequest(req *http.Request) (jsonutils.JSONObject, error) {
// ufile request use no timeout client so as to download/upload large files
res, err := httputils.GetAdaptiveTimeoutClient().Do(req)
if err != nil {
return nil, errors.Wrap(err, "httpclient Do")
}
_, body, err := httputils.ParseJSONResponse(res, err, false)
if err != nil {
return nil, errors.Wrap(err, "ParseJSONResponse")
}
return body, nil
}
type sPrefixFileListOutput struct {
BucketName string
BucketId string
NextMarker string
DataSet []SFile
}
func (b *SBucket) doPrefixFileList(prefix string, marker string, limit int) (*sPrefixFileListOutput, error) {
params := jsonutils.NewDict()
params.Add(jsonutils.NewString(""), "list")
if len(prefix) > 0 {
params.Add(jsonutils.NewString(prefix), "prefix")
}
if len(marker) > 0 {
params.Add(jsonutils.NewString(marker), "marker")
}
if limit > 0 {
params.Add(jsonutils.NewInt(int64(limit)), "limit")
}
host := fmt.Sprintf("https://%s.ufile.ucloud.cn", b.BucketName)
path := fmt.Sprintf("/?%s", params.QueryString())
log.Debugf("Request %s%s", host, path)
req, _ := http.NewRequest(http.MethodGet, host+path, nil)
sign := b.region.client.signHeader(http.MethodGet, path, "")
auth := "UCloud" + " " + b.region.client.accessKeyId + ":" + sign
req.Header.Add("Authorization", auth)
output := sPrefixFileListOutput{}
body, err := doRequest(req)
if err != nil {
return nil, errors.Wrap(err, "doRequest")
}
err = body.Unmarshal(&output)
if err != nil {
return nil, errors.Wrap(err, "body.Unmarshal")
}
return &output, nil
}
func (b *SBucket) GetProjectId() string {
return b.region.client.projectId
}
func (b *SBucket) GetGlobalId() string {
return b.BucketID
}
func (b *SBucket) GetName() string {
return b.BucketName
}
func (b *SBucket) GetLocation() string {
return b.region.GetId()
}
func (b *SBucket) GetIRegion() cloudprovider.ICloudRegion {
return b.region
}
func (b *SBucket) GetCreateAt() time.Time {
return time.Unix(b.CreateTime, 0)
}
func (b *SBucket) GetStorageClass() string {
return ""
}
func (b *SBucket) GetAcl() cloudprovider.TBucketACLType {
switch b.Type {
case "public":
return cloudprovider.ACLPublicRead
default:
return cloudprovider.ACLPrivate
}
}
func (b *SBucket) SetAcl(aclStr cloudprovider.TBucketACLType) error {
aclType := "private"
if aclStr == cloudprovider.ACLPublicRead || aclStr == cloudprovider.ACLPublicReadWrite {
aclType = "public"
}
return b.region.updateBucket(b.BucketName, aclType)
}
func (b *SBucket) getSrcUrl() string {
if len(b.Domain.Src) > 0 {
return b.Domain.Src[0]
}
return ""
}
func (b *SBucket) GetAccessUrls() []cloudprovider.SBucketAccessUrl {
ret := make([]cloudprovider.SBucketAccessUrl, 0)
for i, u := range b.Domain.Src {
primary := false
if i == 0 {
primary = true
}
ret = append(ret, cloudprovider.SBucketAccessUrl{
Url: u,
Description: fmt.Sprintf("src%d", i),
Primary: primary,
})
}
for i, u := range b.Domain.CDN {
ret = append(ret, cloudprovider.SBucketAccessUrl{
Url: u,
Description: fmt.Sprintf("cdn%d", i),
})
}
return ret
}
func (b *SBucket) GetStats() cloudprovider.SBucketStats {
stats, _ := cloudprovider.GetIBucketStats(b)
return stats
}
func (b *SBucket) ListObjects(prefix string, marker string, delimiter string, maxCount int) (cloudprovider.SListObjectResult, error) {
result := cloudprovider.SListObjectResult{}
output, err := b.doPrefixFileList(prefix, marker, maxCount)
if err != nil {
return result, errors.Wrap(err, "b.doPrefixFileList")
}
if len(output.NextMarker) > 0 {
result.NextMarker = output.NextMarker
result.IsTruncated = true
}
result.Objects = make([]cloudprovider.ICloudObject, len(output.DataSet))
for i := range output.DataSet {
result.Objects[i] = &output.DataSet[i]
}
return result, nil
}
func (b *SBucket) PutObject(ctx context.Context, key string, input io.Reader, sizeBytes int64, cannedAcl cloudprovider.TBucketACLType, storageClassStr string, meta http.Header) error {
return cloudprovider.ErrNotSupported
}
func (b *SBucket) NewMultipartUpload(ctx context.Context, key string, cannedAcl cloudprovider.TBucketACLType, storageClassStr string, meta http.Header) (string, error) {
return "", cloudprovider.ErrNotSupported
}
func (b *SBucket) UploadPart(ctx context.Context, key string, uploadId string, partIndex int, input io.Reader, partSize int64, offset, totalSize int64) (string, error) {
return "", cloudprovider.ErrNotSupported
}
func (b *SBucket) CompleteMultipartUpload(ctx context.Context, key string, uploadId string, partEtags []string) error {
return cloudprovider.ErrNotSupported
}
func (b *SBucket) AbortMultipartUpload(ctx context.Context, key string, uploadId string) error {
return cloudprovider.ErrNotSupported
}
func (b *SBucket) DeleteObject(ctx context.Context, key string) error {
file := SFile{
bucket: b,
FileName: key,
}
return file.Delete()
}
func (b *SBucket) GetTempUrl(method string, key string, expire time.Duration) (string, error) {
return "", cloudprovider.ErrNotSupported
}
func (b *SBucket) CopyObject(ctx context.Context, destKey string, srcBucket, srcKey string, cannedAcl cloudprovider.TBucketACLType, storageClassStr string, meta http.Header) error {
return cloudprovider.ErrNotSupported
}
func (b *SBucket) GetObject(ctx context.Context, key string, rangeOpt *cloudprovider.SGetObjectRange) (io.ReadCloser, error) {
return nil, cloudprovider.ErrNotSupported
}
func (b *SBucket) CopyPart(ctx context.Context, key string, uploadId string, partIndex int, srcBucketName string, srcKey string, srcOffset int64, srcLength int64) (string, error) {
return "", cloudprovider.ErrNotSupported
}