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| 1 | +/* |
| 2 | + * Copyright 2021 Layotto Authors |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + */ |
| 16 | + |
| 17 | +package qiniu |
| 18 | + |
| 19 | +import ( |
| 20 | + "context" |
| 21 | + "errors" |
| 22 | + "fmt" |
| 23 | + "io" |
| 24 | + "net/http" |
| 25 | + "strings" |
| 26 | + "time" |
| 27 | + |
| 28 | + "github.com/qiniu/go-sdk/v7/auth/qbox" |
| 29 | + "github.com/qiniu/go-sdk/v7/storage" |
| 30 | +) |
| 31 | + |
| 32 | +type QiniuOSSClient struct { |
| 33 | + AccessKey string |
| 34 | + SecretKey string |
| 35 | + Bucket string |
| 36 | + Domain string |
| 37 | + Private bool |
| 38 | + |
| 39 | + mac *qbox.Mac |
| 40 | + fu FormUploader |
| 41 | + bm BucketManager |
| 42 | +} |
| 43 | + |
| 44 | +type FormUploader interface { |
| 45 | + Put(ctx context.Context, ret interface{}, uptoken, key string, data io.Reader, size int64, extra *storage.PutExtra) (err error) |
| 46 | +} |
| 47 | + |
| 48 | +type BucketManager interface { |
| 49 | + Stat(bucket, key string) (storage.FileInfo, error) |
| 50 | + Delete(bucket, key string) (err error) |
| 51 | + ListFiles(bucket, prefix, delimiter, marker string, |
| 52 | + limit int) (entries []storage.ListItem, commonPrefixes []string, nextMarker string, hasNext bool, err error) |
| 53 | +} |
| 54 | + |
| 55 | +func newQiniuOSSClient(ak, sk, bucket, domain string, private bool, useHttps, userCdnDomains bool) *QiniuOSSClient { |
| 56 | + cfg := storage.Config{ |
| 57 | + UseHTTPS: useHttps, |
| 58 | + UseCdnDomains: userCdnDomains, |
| 59 | + } |
| 60 | + |
| 61 | + mac := qbox.NewMac(ak, sk) |
| 62 | + s := &QiniuOSSClient{ |
| 63 | + AccessKey: ak, |
| 64 | + SecretKey: sk, |
| 65 | + Bucket: bucket, |
| 66 | + fu: storage.NewFormUploader(&cfg), |
| 67 | + Domain: domain, |
| 68 | + Private: private, |
| 69 | + mac: mac, |
| 70 | + bm: storage.NewBucketManager(mac, &cfg), |
| 71 | + } |
| 72 | + return s |
| 73 | +} |
| 74 | + |
| 75 | +func (s *QiniuOSSClient) put(ctx context.Context, fileName string, data io.Reader, dataSize int64) error { |
| 76 | + if err := s.checkFileName(fileName); err != nil { |
| 77 | + return err |
| 78 | + } |
| 79 | + |
| 80 | + putPolicy := storage.PutPolicy{ |
| 81 | + Scope: s.Bucket, |
| 82 | + } |
| 83 | + |
| 84 | + upToken := putPolicy.UploadToken(qbox.NewMac(s.AccessKey, s.SecretKey)) |
| 85 | + |
| 86 | + ret := storage.PutRet{} |
| 87 | + err := s.fu.Put(ctx, &ret, upToken, fileName, data, dataSize, nil) |
| 88 | + |
| 89 | + return err |
| 90 | +} |
| 91 | + |
| 92 | +func (s *QiniuOSSClient) get(_ context.Context, fileName string) (io.ReadCloser, error) { |
| 93 | + if err := s.checkFileName(fileName); err != nil { |
| 94 | + return nil, err |
| 95 | + } |
| 96 | + |
| 97 | + var accessUrl string |
| 98 | + |
| 99 | + if !s.Private { |
| 100 | + accessUrl = storage.MakePublicURL(s.Domain, fileName) |
| 101 | + |
| 102 | + } else { |
| 103 | + deadline := time.Now().Add(time.Second * 60).Unix() //1小时有效期 |
| 104 | + accessUrl = storage.MakePrivateURL(s.mac, s.Domain, fileName, deadline) |
| 105 | + } |
| 106 | + |
| 107 | + resp, err := http.Get(accessUrl) |
| 108 | + if err != nil { |
| 109 | + return nil, err |
| 110 | + } |
| 111 | + |
| 112 | + return resp.Body, nil |
| 113 | +} |
| 114 | + |
| 115 | +func (s *QiniuOSSClient) stat(_ context.Context, fileName string) (*storage.FileInfo, error) { |
| 116 | + if err := s.checkFileName(fileName); err != nil { |
| 117 | + return nil, err |
| 118 | + } |
| 119 | + |
| 120 | + resp, err := s.bm.Stat(s.Bucket, fileName) |
| 121 | + return &resp, err |
| 122 | +} |
| 123 | + |
| 124 | +func (s *QiniuOSSClient) del(_ context.Context, fileName string) error { |
| 125 | + if err := s.checkFileName(fileName); err != nil { |
| 126 | + return err |
| 127 | + } |
| 128 | + |
| 129 | + return s.bm.Delete(s.Bucket, fileName) |
| 130 | +} |
| 131 | + |
| 132 | +func (s *QiniuOSSClient) list(_ context.Context, prefix string, limit int, marker string) (entries []storage.ListItem, commonPrefixes []string, nextMarker string, hasNext bool, err error) { |
| 133 | + if limit > 1000 { |
| 134 | + return nil, nil, "", false, errors.New("limit must be <=1000") |
| 135 | + } |
| 136 | + |
| 137 | + if limit <= 0 { |
| 138 | + return nil, nil, "", false, errors.New("limit must be >0") |
| 139 | + } |
| 140 | + |
| 141 | + return s.bm.ListFiles(s.Bucket, prefix, "", marker, limit) |
| 142 | +} |
| 143 | + |
| 144 | +func (s *QiniuOSSClient) checkFileName(fileName string) error { |
| 145 | + index := strings.Index(fileName, "/") |
| 146 | + if index == 0 { |
| 147 | + return fmt.Errorf("invalid fileName format") |
| 148 | + } |
| 149 | + |
| 150 | + return nil |
| 151 | +} |
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