增加七牛回调配置与签名验签能力

config/config.go

@@ -79,6 +79,9 @@ type QiniuConfig struct {
 	CDNDomain          string
 	KeyPrefix          string
 	TokenExpireSeconds int
+	CallbackURL        string
+	CallbackBody       string
+	CallbackBodyType   string
 }
 
 // WeChatOfficialConfig 用于微信公众号网页授权（OAuth2）相关接口。
@@ -152,6 +155,9 @@ func LoadConfig() {
 			CDNDomain:          getEnv("QINIU_CDN_DOMAIN", ""),
 			KeyPrefix:          getEnv("QINIU_KEY_PREFIX", "uploads/"),
 			TokenExpireSeconds: getEnvAsInt("QINIU_TOKEN_EXPIRE_SECONDS", 300),
+			CallbackURL:        getEnv("QINIU_CALLBACK_URL", ""),
+			CallbackBody:       getEnv("QINIU_CALLBACK_BODY", "key=$(key)&hash=$(etag)&fsize=$(fsize)&mimeType=$(mimeType)"),
+			CallbackBodyType:   getEnv("QINIU_CALLBACK_BODY_TYPE", "application/x-www-form-urlencoded"),
 		},
 		WeChatOA: WeChatOfficialConfig{
 			AppID:          getEnv("WECHAT_OA_APP_ID", ""),