Read to do some little change of webdav in golang.org/x/net
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@ -1,10 +1,5 @@
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package rest
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import (
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"net/http"
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"os"
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"tank/rest/dav"
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)
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//@Service
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type DavService struct {
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@ -22,97 +17,3 @@ func (this *DavService) Init() {
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this.matterDao = b
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}
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}
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const (
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infiniteDepth = -1
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invalidDepth = -2
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)
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// parseDepth maps the strings "0", "1" and "infinity" to 0, 1 and
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// infiniteDepth. Parsing any other string returns invalidDepth.
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//
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// Different WebDAV methods have further constraints on valid depths:
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// - PROPFIND has no further restrictions, as per section 9.1.
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// - COPY accepts only "0" or "infinity", as per section 9.8.3.
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// - MOVE accepts only "infinity", as per section 9.9.2.
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// - LOCK accepts only "0" or "infinity", as per section 9.10.3.
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// These constraints are enforced by the handleXxx methods.
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func parseDepth(s string) int {
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switch s {
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case "0":
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return 0
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case "1":
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return 1
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case "infinity":
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return infiniteDepth
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}
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return invalidDepth
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}
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//处理 方法
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func (this *DavService) HandlePropfind(w http.ResponseWriter, r *http.Request) {
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basePath := "/Users/fusu/d/group/golang/src/tank/tmp/dav"
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fileSystem := dav.Dir("/Users/fusu/d/group/golang/src/tank/tmp/dav")
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lockSystem := dav.NewMemLS()
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reqPath := r.URL.Path
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ctx := r.Context()
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fi, err := os.Stat(basePath + reqPath)
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if err != nil {
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this.PanicError(err)
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}
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depth := infiniteDepth
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if hdr := r.Header.Get("Depth"); hdr != "" {
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depth = parseDepth(hdr)
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if depth == invalidDepth {
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this.PanicBadRequest("Depth指定错误!")
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}
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}
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pf, _, err := dav.ReadPropfind(r.Body)
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this.PanicError(err)
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mw := dav.MultiStatusWriter{Writer: w}
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walkFn := func(reqPath string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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var pstats []dav.Propstat
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if pf.Propname != nil {
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pnames, err := dav.Propnames(ctx, fileSystem, lockSystem, reqPath)
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if err != nil {
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return err
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}
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pstat := dav.Propstat{Status: http.StatusOK}
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for _, xmlname := range pnames {
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pstat.Props = append(pstat.Props, dav.Property{XMLName: xmlname})
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}
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pstats = append(pstats, pstat)
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} else if pf.Allprop != nil {
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pstats, err = dav.Allprop(ctx, fileSystem, lockSystem, reqPath, pf.Prop)
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} else {
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pstats, err = dav.Props(ctx, fileSystem, lockSystem, reqPath, pf.Prop)
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}
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if err != nil {
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return err
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}
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href := reqPath
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if info.IsDir() {
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href += "/"
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}
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return mw.Write(dav.MakePropstatResponse(href, pstats))
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}
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walkErr := dav.WalkFS(ctx, fileSystem, depth, reqPath, fi, walkFn)
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closeErr := mw.Close()
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this.PanicError(walkErr)
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this.PanicError(closeErr)
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}
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