feat: add baidu_photo driver

drivers/baidu_photo/help.go

@@ -0,0 +1,107 @@
+package baiduphoto
+
+import (
+	"fmt"
+	"math"
+	"math/rand"
+	"regexp"
+	"strings"
+	"time"
+
+	"github.com/alist-org/alist/v3/internal/model"
+)
+
+//Tid生成
+func getTid() string {
+	return fmt.Sprintf("3%d%.0f", time.Now().Unix(), math.Floor(9000000*rand.Float64()+1000000))
+}
+
+// 检查名称
+func checkName(name string) bool {
+	return len(name) <= 20 && regexp.MustCompile("[\u4e00-\u9fa5A-Za-z0-9_-]").MatchString(name)
+}
+
+func toTime(t int64) *time.Time {
+	tm := time.Unix(t, 0)
+	return &tm
+}
+
+func fsidsFormat(ids ...string) string {
+	var buf []string
+	for _, id := range ids {
+		e := splitID(id)
+		buf = append(buf, fmt.Sprintf(`{"fsid":%s,"uk":%s}`, e[0], e[3]))
+	}
+	return fmt.Sprintf("[%s]", strings.Join(buf, ","))
+}
+
+func fsidsFormatNotUk(ids ...string) string {
+	var buf []string
+	for _, id := range ids {
+		buf = append(buf, fmt.Sprintf(`{"fsid":%s}`, splitID(id)[0]))
+	}
+	return fmt.Sprintf("[%s]", strings.Join(buf, ","))
+}
+
+/*
+结构
+
+{fsid} 文件
+
+{album_id}|{tid} 相册
+
+{fsid}|{album_id}|{tid}|{uk} 相册文件
+*/
+func splitID(id string) []string {
+	return strings.SplitN(id, "|", 4)[:4]
+}
+
+/*
+结构
+
+{fsid} 文件
+
+{album_id}|{tid} 相册
+
+{fsid}|{album_id}|{tid}|{uk} 相册文件
+*/
+func joinID(ids ...interface{}) string {
+	idsStr := make([]string, 0, len(ids))
+	for _, id := range ids {
+		idsStr = append(idsStr, fmt.Sprint(id))
+	}
+	return strings.Join(idsStr, "|")
+}
+
+func getFileName(path string) string {
+	return path[strings.LastIndex(path, "/")+1:]
+}
+
+// 相册
+func IsAlbum(obj model.Obj) bool {
+	return obj.IsDir() && obj.GetPath() == "album"
+}
+
+// 根目录
+func IsRoot(obj model.Obj) bool {
+	return obj.IsDir() && obj.GetPath() == "" && obj.GetID() == ""
+}
+
+// 以相册为根目录
+func IsAlbumRoot(obj model.Obj) bool {
+	return obj.IsDir() && obj.GetPath() == "" && obj.GetID() != ""
+}
+
+// 根文件
+func IsFile(obj model.Obj) bool {
+	return !obj.IsDir() && obj.GetPath() == "file"
+}
+
+// 相册文件
+func IsAlbumFile(obj model.Obj) bool {
+	return !obj.IsDir() && obj.GetPath() == "albumfile"
+}
+
+func MustString(str string, err error) string {
+	return str
+}