Fix: untracked files

pkg/filesystem/remote/handler.go

@@ -0,0 +1,92 @@
+package remote
+
+// TODO 测试
+import (
+	"context"
+	"errors"
+	model "github.com/HFO4/cloudreve/models"
+	"github.com/HFO4/cloudreve/pkg/auth"
+	"github.com/HFO4/cloudreve/pkg/filesystem/response"
+	"github.com/HFO4/cloudreve/pkg/serializer"
+	"io"
+	"net/http"
+	"net/url"
+	"time"
+)
+
+// Handler 远程存储策略适配器
+type Handler struct {
+	Policy *model.Policy
+}
+
+// Get 获取文件内容
+func (handler Handler) Get(ctx context.Context, path string) (response.RSCloser, error) {
+
+	return nil, nil
+}
+
+// Put 将文件流保存到指定目录
+func (handler Handler) Put(ctx context.Context, file io.ReadCloser, dst string, size uint64) error {
+	return errors.New("远程策略不支持此上传方式")
+}
+
+// Delete 删除一个或多个文件，
+// 返回未删除的文件，及遇到的最后一个错误
+func (handler Handler) Delete(ctx context.Context, files []string) ([]string, error) {
+	return []string{}, nil
+}
+
+// Thumb 获取文件缩略图
+func (handler Handler) Thumb(ctx context.Context, path string) (*response.ContentResponse, error) {
+	return nil, nil
+}
+
+// Source 获取外链URL
+func (handler Handler) Source(
+	ctx context.Context,
+	path string,
+	baseURL url.URL,
+	ttl int64,
+	isDownload bool,
+) (string, error) {
+	return "", errors.New("暂未实现")
+}
+
+// Token 获取上传策略和认证Token
+// TODO 测试
+func (handler Handler) Token(ctx context.Context, TTL int64, key string) (serializer.UploadCredential, error) {
+	// 生成回调地址
+	siteURL := model.GetSiteURL()
+	apiBaseURI, _ := url.Parse("/api/v3/callback/upload/" + key)
+	apiURL := siteURL.ResolveReference(apiBaseURI)
+
+	// 生成上传策略
+	policy := serializer.UploadPolicy{
+		SavePath:         handler.Policy.DirNameRule,
+		FileName:         handler.Policy.FileNameRule,
+		AutoRename:       handler.Policy.AutoRename,
+		MaxSize:          handler.Policy.MaxSize,
+		AllowedExtension: handler.Policy.OptionsSerialized.FileType,
+		CallbackURL:      apiURL.String(),
+	}
+	policyEncoded, err := policy.EncodeUploadPolicy()
+	if err != nil {
+		return serializer.UploadCredential{}, err
+	}
+
+	// 签名上传策略
+	uploadRequest, _ := http.NewRequest("POST", "/api/v3/slave/upload", nil)
+	uploadRequest.Header = map[string][]string{
+		"X-Policy": {policyEncoded},
+	}
+	auth.SignRequest(uploadRequest, time.Now().Unix()+TTL)
+
+	if credential, ok := uploadRequest.Header["Authorization"]; ok && len(credential) == 1 {
+		return serializer.UploadCredential{
+			Token:  credential[0],
+			Policy: policyEncoded,
+		}, nil
+	}
+	return serializer.UploadCredential{}, errors.New("无法签名上传策略")
+
+}