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cloudreve/pkg/serializer/upload.go

95 lines
2.6 KiB

package serializer
import (
"encoding/base64"
"encoding/gob"
"encoding/json"
model "github.com/cloudreve/Cloudreve/v3/models"
"time"
)
// UploadPolicy slave模式下传递的上传策略
type UploadPolicy struct {
SavePath string `json:"save_path"`
FileName string `json:"file_name"`
AutoRename bool `json:"auto_rename"`
MaxSize uint64 `json:"max_size"`
AllowedExtension []string `json:"allowed_extension"`
CallbackURL string `json:"callback_url"`
}
// UploadCredential 返回给客户端的上传凭证
type UploadCredential struct {
SessionID string `json:"sessionID"`
ChunkSize uint64 `json:"chunkSize"` // 分块大小0 为部分快
Expires int64 `json:"expires"` // 上传凭证过期时间, Unix 时间戳
UploadURLs []string `json:"uploadURLs"`
Credential string `json:"credential"`
Token string `json:"token"`
Policy string `json:"policy"`
Path string `json:"path"` // 存储路径
AccessKey string `json:"ak"`
KeyTime string `json:"key_time,omitempty"` // COS用有效期
Callback string `json:"callback,omitempty"` // 回调地址
Key string `json:"key,omitempty"` // 文件标识符通常为回调key
}
// UploadSession 上传会话
type UploadSession struct {
Key string // 上传会话 GUID
UID uint // 发起者
VirtualPath string // 用户文件路径,不含文件名
Name string // 文件名
Size uint64 // 文件大小
SavePath string // 物理存储路径,包含物理文件名
LastModified *time.Time // 可选的文件最后修改日期
Policy model.Policy
}
// UploadCallback 上传回调正文
type UploadCallback struct {
Name string `json:"name"`
SourceName string `json:"source_name"`
PicInfo string `json:"pic_info"`
Size uint64 `json:"size"`
}
4 years ago
// GeneralUploadCallbackFailed 存储策略上传回调失败响应
type GeneralUploadCallbackFailed struct {
Error string `json:"error"`
}
func init() {
gob.Register(UploadSession{})
}
// DecodeUploadPolicy 反序列化Header中携带的上传策略
func DecodeUploadPolicy(raw string) (*UploadPolicy, error) {
var res UploadPolicy
rawJSON, err := base64.StdEncoding.DecodeString(raw)
if err != nil {
return nil, err
}
err = json.Unmarshal(rawJSON, &res)
if err != nil {
return nil, err
}
return &res, err
}
// EncodeUploadPolicy 序列化Header中携带的上传策略
func (policy *UploadPolicy) EncodeUploadPolicy() (string, error) {
jsonRes, err := json.Marshal(policy)
if err != nil {
return "", err
}
res := base64.StdEncoding.EncodeToString(jsonRes)
return res, nil
}