Feat: qiniu upload & callback

pkg/filesystem/qiniu/handller.go

@@ -2,20 +2,32 @@ package qiniu
 
 import (
 	"context"
+	"errors"
 	"fmt"
-	"github.com/HFO4/cloudreve/pkg/util"
-	"io"
-	"os"
-
+	model "github.com/HFO4/cloudreve/models"
+	"github.com/HFO4/cloudreve/pkg/filesystem/fsctx"
+	"github.com/HFO4/cloudreve/pkg/filesystem/response"
+	"github.com/HFO4/cloudreve/pkg/serializer"
 	"github.com/qiniu/api.v7/v7/auth"
+	"github.com/qiniu/api.v7/v7/auth/qbox"
 	"github.com/qiniu/api.v7/v7/storage"
+	"io"
+	"net/url"
 )
 
 // Handler 本地策略适配器
-type Handler struct{}
+type Handler struct {
+	Policy *model.Policy
+}
+
+// Get 获取文件
+func (handler Handler) Get(ctx context.Context, path string) (response.RSCloser, error) {
+	return nil, errors.New("未实现")
+}
 
 // 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("未实现")
 	// 凭证生成
 	putPolicy := storage.PutPolicy{
 		Scope: "cloudrevetest",
@@ -44,20 +56,61 @@ func (handler Handler) Put(ctx context.Context, file io.ReadCloser, dst string,
 }
 
 // Delete 删除一个或多个文件，
-// 返回已删除的文件，及遇到的最后一个错误
+// 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) {
-	deleted := make([]string, 0, len(files))
-	var retErr error
+	return []string{}, errors.New("未实现")
+}
 
-	for _, value := range files {
-		err := os.Remove(value)
-		if err == nil {
-			deleted = append(deleted, value)
-		} else {
-			util.Log().Warning("无法删除文件，%s", err)
-			retErr = err
-		}
+// Thumb 获取文件缩略图
+func (handler Handler) Thumb(ctx context.Context, path string) (*response.ContentResponse, error) {
+	return nil, errors.New("未实现")
+}
+
+// Source 获取外链URL
+func (handler Handler) Source(
+	ctx context.Context,
+	path string,
+	baseURL url.URL,
+	ttl int64,
+	isDownload bool,
+	speed int,
+) (string, error) {
+	return "", errors.New("未实现")
+}
+
+// Token 获取上传策略和认证Token
+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/qiniu/" + key)
+	apiURL := siteURL.ResolveReference(apiBaseURI)
+
+	// 读取上下文中生成的存储路径
+	savePath, ok := ctx.Value(fsctx.SavePathCtx).(string)
+	if !ok {
+		return serializer.UploadCredential{}, errors.New("无法获取存储路径")
 	}
 
-	return deleted, retErr
+	// 创建上传策略
+	putPolicy := storage.PutPolicy{
+		Scope:            handler.Policy.BucketName,
+		Expires:          uint64(TTL),
+		CallbackURL:      apiURL.String(),
+		CallbackBody:     `{"name":"$(fname)","source_name":"$(key)","size":$(fsize),"pic_info":"$(imageInfo.width),$(imageInfo.height)"}`,
+		CallbackBodyType: "application/json",
+		SaveKey:          savePath,
+		ForceSaveKey:     true,
+		FsizeLimit:       int64(handler.Policy.MaxSize),
+	}
+	// 是否开启了MIMEType限制
+	if handler.Policy.OptionsSerialized.MimeType != "" {
+		putPolicy.MimeLimit = handler.Policy.OptionsSerialized.MimeType
+	}
+
+	mac := qbox.NewMac(handler.Policy.AccessKey, handler.Policy.SecretKey)
+	upToken := putPolicy.UploadToken(mac)
+
+	return serializer.UploadCredential{
+		Token: upToken,
+	}, nil
 }