Feat: API for receiviing chunk data

pkg/filesystem/driver/local/handler.go

@@ -218,5 +218,6 @@ func (handler Driver) Source(
 func (handler Driver) Token(ctx context.Context, ttl int64, uploadSession *serializer.UploadSession, file fsctx.FileHeader) (serializer.UploadCredential, error) {
 	return serializer.UploadCredential{
 		SessionID: uploadSession.Key,
+		ChunkSize: handler.Policy.OptionsSerialized.ChunkSize,
 	}, nil
 }

pkg/filesystem/upload.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"os"
 	"path"
+	"time"
 
 	model "github.com/cloudreve/Cloudreve/v3/models"
 	"github.com/cloudreve/Cloudreve/v3/pkg/cache"
@@ -167,6 +168,7 @@ func (fs *FileSystem) CreateUploadSession(ctx context.Context, file *fsctx.FileS
 
 	fs.Use("BeforeUpload", HookValidateFile)
 	fs.Use("AfterUpload", HookClearFileHeaderSize)
+	// TODO: 只有本机策略才添加文件
 	fs.Use("AfterUpload", GenericAfterUpload)
 	if err := fs.Upload(ctx, file); err != nil {
 		return nil, err
@@ -200,6 +202,9 @@ func (fs *FileSystem) CreateUploadSession(ctx context.Context, file *fsctx.FileS
 		return nil, err
 	}
 
+	// 补全上传凭证其他信息
+	credential.Expires = time.Now().Add(time.Duration(callBackSessionTTL) * time.Second).Unix()
+
 	return &credential, nil
 }
 

pkg/serializer/explorer.go

@@ -46,12 +46,11 @@ type Object struct {
 
 // PolicySummary 用于前端组件使用的存储策略概况
 type PolicySummary struct {
-	ID        string   `json:"id"`
-	Name      string   `json:"name"`
-	Type      string   `json:"type"`
-	MaxSize   uint64   `json:"max_size"`
-	FileType  []string `json:"file_type"`
-	ChunkSize uint64   `json:"chunk_size"`
+	ID       string   `json:"id"`
+	Name     string   `json:"name"`
+	Type     string   `json:"type"`
+	MaxSize  uint64   `json:"max_size"`
+	FileType []string `json:"file_type"`
 }
 
 // BuildObjectList 构建列目录响应
@@ -66,12 +65,11 @@ func BuildObjectList(parent uint, objects []Object, policy *model.Policy) Object
 
 	if policy != nil {
 		res.Policy = &PolicySummary{
-			ID:        hashid.HashID(policy.ID, hashid.PolicyID),
-			Name:      policy.Name,
-			Type:      policy.Type,
-			MaxSize:   policy.MaxSize,
-			FileType:  policy.OptionsSerialized.FileType,
-			ChunkSize: policy.OptionsSerialized.ChunkSize,
+			ID:       hashid.HashID(policy.ID, hashid.PolicyID),
+			Name:     policy.Name,
+			Type:     policy.Type,
+			MaxSize:  policy.MaxSize,
+			FileType: policy.OptionsSerialized.FileType,
 		}
 	}
 

pkg/serializer/upload.go

@@ -20,6 +20,8 @@ type UploadPolicy struct {
 // 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
 
 	Token     string `json:"token"`
 	Policy    string `json:"policy"`
@@ -39,7 +41,7 @@ type UploadSession struct {
 	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
-	ChunkSize    uint64     // 分块大小，0 为部分快
+	ChunkSize    uint64     // 分块大小，0 为不分快
 	LastModified *time.Time // 可选的文件最后修改日期
 }
 

pkg/serializer/user.go

@@ -31,14 +31,6 @@ type User struct {
 	Tags           []tag     `json:"tags"`
 }
 
-type policy struct {
-	SaveType       string   `json:"saveType"`
-	MaxSize        string   `json:"maxSize"`
-	AllowedType    []string `json:"allowedType"`
-	UploadURL      string   `json:"upUrl"`
-	AllowGetSource bool     `json:"allowSource"`
-}
-
 type group struct {
 	ID                   uint   `json:"id"`
 	Name                 string `json:"name"`