chore: aria2 related function

internal/aria2/aria2.go

@@ -0,0 +1,25 @@
+package aria2
+
+import (
+	"context"
+	"github.com/alist-org/alist/v3/pkg/aria2/rpc"
+	"github.com/alist-org/alist/v3/pkg/task"
+	"github.com/pkg/errors"
+	"time"
+)
+
+var Aria2TaskManager = task.NewTaskManager()
+var client rpc.Client
+
+func InitAria2Client(uri string, secret string, timeout int) error {
+	c, err := rpc.New(context.Background(), uri, secret, time.Duration(timeout)*time.Second, &Notify{})
+	if err != nil {
+		return errors.Wrap(err, "failed to init aria2 client")
+	}
+	client = c
+	return nil
+}
+
+func IsAria2Ready() bool {
+	return client != nil
+}