fix(123): User-Agent and rate limit (#6012)

* 修复标签

* 新增接口限流器。防止云盘云端把Alist当做攻击,封禁Alist客户端

---------

Co-authored-by: 风信子 <fengxinzi@xaidc.com>

drivers/123/driver.go

@@ -6,9 +6,12 @@ import (
 	"encoding/base64"
 	"encoding/hex"
 	"fmt"
+	"golang.org/x/time/rate"
 	"io"
 	"net/http"
 	"net/url"
+	"sync"
+	"time"
 
 	"github.com/alist-org/alist/v3/drivers/base"
 	"github.com/alist-org/alist/v3/internal/driver"
@@ -26,6 +29,7 @@ import (
 type Pan123 struct {
 	model.Storage
 	Addition
+	apiRateLimit sync.Map
 }
 
 func (d *Pan123) Config() driver.Config {
@@ -254,4 +258,11 @@ func (d *Pan123) Put(ctx context.Context, dstDir model.Obj, stream model.FileStr
 	return err
 }
 
+func (d *Pan123) APIRateLimit(api string) bool {
+	limiter, _ := d.apiRateLimit.LoadOrStore(api,
+		rate.NewLimiter(rate.Every(time.Millisecond*700), 1))
+	ins := limiter.(*rate.Limiter)
+	return ins.Allow()
+}
+
 var _ driver.Driver = (*Pan123)(nil)