133 lines
2.8 KiB
Go
133 lines
2.8 KiB
Go
package api
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import (
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"net/http"
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"os"
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"path/filepath"
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"sort"
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"strings"
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"litepan/internal/domain"
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)
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type localDirEntry struct {
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Name string `json:"name"`
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Path string `json:"path"`
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}
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type localBrowseResult struct {
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Path string `json:"path"`
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Parent *string `json:"parent"`
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Dirs []localDirEntry `json:"dirs"`
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Exists bool `json:"exists"`
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Writable bool `json:"writable"`
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}
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func browseDefaultPath() string {
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for _, candidate := range []string{"/app/strm", "/app/data", "/app/mounts", "/app", "/data", "/mnt", "/media", "/"} {
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info, err := os.Stat(candidate)
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if err == nil && info.IsDir() {
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return candidate
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}
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}
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return "/"
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}
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func (h *Handler) browseLocalFS(w http.ResponseWriter, r *http.Request) {
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raw := strings.TrimSpace(r.URL.Query().Get("path"))
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if raw == "" {
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raw = browseDefaultPath()
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}
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if !strings.HasPrefix(raw, "/") {
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writeJSON(w, http.StatusOK, Resp{
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Success: false,
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Message: "请使用绝对路径（以 / 开头）",
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ErrorType: string(domain.CodeValidation),
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})
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return
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}
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target, err := filepath.Abs(raw)
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if err != nil {
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writeErr(w, domain.Wrap(domain.CodeValidation, err))
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return
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}
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target = filepath.Clean(target)
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parent := parentPath(target)
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info, err := os.Stat(target)
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if err != nil {
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if os.IsNotExist(err) {
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writeJSON(w, http.StatusOK, Resp{
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Success: false,
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Message: "目录不存在: " + target,
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Data: localBrowseResult{
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Path: target,
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Parent: parent,
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Dirs: []localDirEntry{},
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Exists: false,
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},
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})
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return
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}
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writeErr(w, domain.Wrap(domain.CodeDriverError, err))
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return
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}
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if !info.IsDir() {
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writeJSON(w, http.StatusOK, Resp{
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Success: false,
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Message: "该路径不是目录: " + target,
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ErrorType: string(domain.CodeValidation),
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})
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return
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}
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entries, err := os.ReadDir(target)
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if err != nil {
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if os.IsPermission(err) {
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writeJSON(w, http.StatusOK, Resp{
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Success: false,
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Message: "无读取权限: " + target,
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ErrorType: string(domain.CodePermissionDenied),
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})
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return
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}
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writeErr(w, domain.Wrap(domain.CodeDriverError, err))
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return
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}
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dirs := make([]localDirEntry, 0, len(entries))
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for _, e := range entries {
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if strings.HasPrefix(e.Name(), ".") {
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continue
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}
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if !e.IsDir() {
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continue
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}
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dirs = append(dirs, localDirEntry{
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Name: e.Name(),
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Path: filepath.Join(target, e.Name()),
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})
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}
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sort.Slice(dirs, func(i, j int) bool {
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return strings.ToLower(dirs[i].Name) < strings.ToLower(dirs[j].Name)
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})
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writeOK(w, localBrowseResult{
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Path: target,
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Parent: parent,
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Dirs: dirs,
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Exists: true,
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Writable: true,
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})
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}
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func parentPath(path string) *string {
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clean := filepath.Clean(path)
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if clean == "/" {
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return nil
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}
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p := filepath.Dir(clean)
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return &p
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}
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