feat: the upload handler for AliYun OSS is ready

api/service/oss/qiniu_oss.go

@@ -0,0 +1,98 @@
+package oss
+
+import (
+	"bytes"
+	"chatplus/core/types"
+	"chatplus/utils"
+	"context"
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"github.com/qiniu/go-sdk/v7/auth/qbox"
+	"github.com/qiniu/go-sdk/v7/storage"
+	"path/filepath"
+	"time"
+)
+
+type QinNiuOss struct {
+	config   *types.QiNiuOssConfig
+	token    string
+	uploader *storage.FormUploader
+	manager  *storage.BucketManager
+	proxyURL string
+	dir      string
+}
+
+func NewQiNiuOss(appConfig *types.AppConfig) QinNiuOss {
+	config := &appConfig.OSS.QiNiu
+	// build storage uploader
+	zone, ok := storage.GetRegionByID(storage.RegionID(config.Zone))
+	if !ok {
+		zone = storage.ZoneHuanan
+	}
+	storeConfig := storage.Config{Zone: &zone}
+	formUploader := storage.NewFormUploader(&storeConfig)
+	// generate token
+	mac := qbox.NewMac(config.AccessKey, config.AccessSecret)
+	putPolicy := storage.PutPolicy{
+		Scope: config.Bucket,
+	}
+	return QinNiuOss{
+		config:   config,
+		token:    putPolicy.UploadToken(mac),
+		uploader: formUploader,
+		manager:  storage.NewBucketManager(mac, &storeConfig),
+		proxyURL: appConfig.ProxyURL,
+		dir:      "chatgpt-plus",
+	}
+}
+
+func (s QinNiuOss) PutFile(ctx *gin.Context, name string) (string, error) {
+	// 解析表单
+	file, err := ctx.FormFile(name)
+	if err != nil {
+		return "", err
+	}
+	// 打开上传文件
+	src, err := file.Open()
+	if err != nil {
+		return "", err
+	}
+	defer src.Close()
+
+	fileExt := filepath.Ext(file.Filename)
+	key := fmt.Sprintf("%s/%d%s", s.dir, time.Now().UnixMicro(), fileExt)
+	// 上传文件
+	ret := storage.PutRet{}
+	extra := storage.PutExtra{}
+	err = s.uploader.Put(ctx, &ret, s.token, key, src, file.Size, &extra)
+	if err != nil {
+		return "", err
+	}
+
+	return fmt.Sprintf("%s/%s", s.config.Domain, ret.Key), nil
+}
+
+func (s QinNiuOss) PutImg(imageURL string) (string, error) {
+	imageData, err := utils.DownloadImage(imageURL, s.proxyURL)
+	if err != nil {
+		return "", fmt.Errorf("error with download image: %v", err)
+	}
+	fileExt := filepath.Ext(filepath.Base(imageURL))
+	key := fmt.Sprintf("%s/%d%s", s.dir, time.Now().UnixMicro(), fileExt)
+	ret := storage.PutRet{}
+	extra := storage.PutExtra{}
+	// 上传文件字节数据
+	err = s.uploader.Put(context.Background(), &ret, s.token, key, bytes.NewReader(imageData), int64(len(imageData)), &extra)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprintf("%s/%s", s.config.Domain, ret.Key), nil
+}
+
+func (s QinNiuOss) Delete(fileURL string) error {
+	objectName := filepath.Base(fileURL)
+	key := fmt.Sprintf("%s/%s", s.dir, objectName)
+	return s.manager.Delete(s.config.Bucket, key)
+}
+
+var _ Uploader = QinNiuOss{}