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add the first version of dav

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This commit is contained in:
zicla
2019-04-12 19:52:35 +08:00
parent d3a2ba9837
commit e0b78932a7
5 changed files with 103 additions and 105 deletions
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40
rest/dav/xml.go
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@ -50,7 +50,7 @@ type owner struct {
}
func readLockInfo(r io.Reader) (li lockInfo, status int, err error) {
c := &countingReader{r: r}
c := &CountingReader{r: r}
if err = ixml.NewDecoder(c).Decode(&li); err != nil {
if err == io.EOF {
if c.n == 0 {
@ -70,12 +70,12 @@ func readLockInfo(r io.Reader) (li lockInfo, status int, err error) {
return li, 0, nil
}
type countingReader struct {
type CountingReader struct {
n int
r io.Reader
}
func (c *countingReader) Read(p []byte) (int, error) {
func (c *CountingReader) Read(p []byte) (int, error) {
n, err := c.r.Read(p)
c.n += n
return n, err
@ -175,8 +175,8 @@ type Propfind struct {
Include PropfindProps `xml:"DAV: include"`
}
func readPropfind(r io.Reader) (pf Propfind, status int, err error) {
c := countingReader{r: r}
func ReadPropfind(r io.Reader) (pf Propfind, status int, err error) {
c := CountingReader{r: r}
if err = ixml.NewDecoder(&c).Decode(&pf); err != nil {
if err == io.EOF {
if c.n == 0 {
@ -233,14 +233,14 @@ type ixmlProperty struct {
}
// http://www.webdav.org/specs/rfc4918.html#ELEMENT_error
// See multistatusWriter for the "D:" namespace prefix.
// See MultiStatusWriter for the "D:" namespace prefix.
type xmlError struct {
XMLName ixml.Name `xml:"D:error"`
InnerXML []byte `xml:",innerxml"`
}
// http://www.webdav.org/specs/rfc4918.html#ELEMENT_propstat
// See multistatusWriter for the "D:" namespace prefix.
// See MultiStatusWriter for the "D:" namespace prefix.
type propstat struct {
Prop []Property `xml:"D:prop>_ignored_"`
Status string `xml:"D:status"`
@ -258,7 +258,7 @@ type ixmlPropstat struct {
}
// MarshalXML prepends the "D:" namespace prefix on properties in the DAV: namespace
// before encoding. See multistatusWriter.
// before encoding. See MultiStatusWriter.
func (ps propstat) MarshalXML(e *ixml.Encoder, start ixml.StartElement) error {
// Convert from a propstat to an ixmlPropstat.
ixmlPs := ixmlPropstat{
@ -287,7 +287,7 @@ func (ps propstat) MarshalXML(e *ixml.Encoder, start ixml.StartElement) error {
}
// http://www.webdav.org/specs/rfc4918.html#ELEMENT_response
// See multistatusWriter for the "D:" namespace prefix.
// See MultiStatusWriter for the "D:" namespace prefix.
type response struct {
XMLName ixml.Name `xml:"D:response"`
Href []string `xml:"D:href"`
@ -306,15 +306,15 @@ type response struct {
// well. This is because some versions of Mini-Redirector (on windows 7) ignore
// elements with a default namespace (no prefixed namespace). A less intrusive fix
// should be possible after golang.org/cl/11074. See https://golang.org/issue/11177
type multistatusWriter struct {
type MultiStatusWriter struct {
// ResponseDescription contains the optional responsedescription
// of the multistatus XML element. Only the latest content before
// close will be emitted. Empty response descriptions are not
// written.
responseDescription string
w http.ResponseWriter
enc *ixml.Encoder
Writer http.ResponseWriter
enc *ixml.Encoder
}
// Write validates and emits a DAV response as part of a multistatus response
@ -325,7 +325,7 @@ type multistatusWriter struct {
// first, valid response to be written, Write prepends the XML representation
// of r with a multistatus tag. Callers must call close after the last response
// has been written.
func (w *multistatusWriter) write(r *response) error {
func (w *MultiStatusWriter) Write(r *response) error {
switch len(r.Href) {
case 0:
return errInvalidResponse
@ -338,7 +338,7 @@ func (w *multistatusWriter) write(r *response) error {
return errInvalidResponse
}
}
err := w.writeHeader()
err := w.WriteHeader()
if err != nil {
return err
}
@ -348,17 +348,17 @@ func (w *multistatusWriter) write(r *response) error {
// writeHeader writes a XML multistatus start element on w's underlying
// http.ResponseWriter and returns the result of the write operation.
// After the first write attempt, writeHeader becomes a no-op.
func (w *multistatusWriter) writeHeader() error {
func (w *MultiStatusWriter) WriteHeader() error {
if w.enc != nil {
return nil
}
w.w.Header().Add("Content-Type", "text/xml; charset=utf-8")
w.w.WriteHeader(StatusMulti)
_, err := fmt.Fprintf(w.w, `<?xml version="1.0" encoding="UTF-8"?>`)
w.Writer.Header().Add("Content-Type", "text/xml; charset=utf-8")
w.Writer.WriteHeader(StatusMulti)
_, err := fmt.Fprintf(w.Writer, `<?xml version="1.0" encoding="UTF-8"?>`)
if err != nil {
return err
}
w.enc = ixml.NewEncoder(w.w)
w.enc = ixml.NewEncoder(w.Writer)
return w.enc.EncodeToken(ixml.StartElement{
Name: ixml.Name{
Space: "DAV:",
@ -375,7 +375,7 @@ func (w *multistatusWriter) writeHeader() error {
// an error if the multistatus response could not be completed. If both the
// return value and field enc of w are nil, then no multistatus response has
// been written.
func (w *multistatusWriter) close() error {
func (w *MultiStatusWriter) Close() error {
if w.enc == nil {
return nil
}