From 14bb08c1df8db9ec6c8a05520d4eee67971235d9 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Thu, 27 Sep 2018 20:03:23 +0200 Subject: mod tidy --- vendor/golang.org/x/net/webdav/xml.go | 519 ---------------------------------- 1 file changed, 519 deletions(-) delete mode 100644 vendor/golang.org/x/net/webdav/xml.go (limited to 'vendor/golang.org/x/net/webdav/xml.go') diff --git a/vendor/golang.org/x/net/webdav/xml.go b/vendor/golang.org/x/net/webdav/xml.go deleted file mode 100644 index 790dc81..0000000 --- a/vendor/golang.org/x/net/webdav/xml.go +++ /dev/null @@ -1,519 +0,0 @@ -// Copyright 2014 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package webdav - -// The XML encoding is covered by Section 14. -// http://www.webdav.org/specs/rfc4918.html#xml.element.definitions - -import ( - "bytes" - "encoding/xml" - "fmt" - "io" - "net/http" - "time" - - // As of https://go-review.googlesource.com/#/c/12772/ which was submitted - // in July 2015, this package uses an internal fork of the standard - // library's encoding/xml package, due to changes in the way namespaces - // were encoded. Such changes were introduced in the Go 1.5 cycle, but were - // rolled back in response to https://github.com/golang/go/issues/11841 - // - // However, this package's exported API, specifically the Property and - // DeadPropsHolder types, need to refer to the standard library's version - // of the xml.Name type, as code that imports this package cannot refer to - // the internal version. - // - // This file therefore imports both the internal and external versions, as - // ixml and xml, and converts between them. - // - // In the long term, this package should use the standard library's version - // only, and the internal fork deleted, once - // https://github.com/golang/go/issues/13400 is resolved. - ixml "golang.org/x/net/webdav/internal/xml" -) - -// http://www.webdav.org/specs/rfc4918.html#ELEMENT_lockinfo -type lockInfo struct { - XMLName ixml.Name `xml:"lockinfo"` - Exclusive *struct{} `xml:"lockscope>exclusive"` - Shared *struct{} `xml:"lockscope>shared"` - Write *struct{} `xml:"locktype>write"` - Owner owner `xml:"owner"` -} - -// http://www.webdav.org/specs/rfc4918.html#ELEMENT_owner -type owner struct { - InnerXML string `xml:",innerxml"` -} - -func readLockInfo(r io.Reader) (li lockInfo, status int, err error) { - c := &countingReader{r: r} - if err = ixml.NewDecoder(c).Decode(&li); err != nil { - if err == io.EOF { - if c.n == 0 { - // An empty body means to refresh the lock. - // http://www.webdav.org/specs/rfc4918.html#refreshing-locks - return lockInfo{}, 0, nil - } - err = errInvalidLockInfo - } - return lockInfo{}, http.StatusBadRequest, err - } - // We only support exclusive (non-shared) write locks. In practice, these are - // the only types of locks that seem to matter. - if li.Exclusive == nil || li.Shared != nil || li.Write == nil { - return lockInfo{}, http.StatusNotImplemented, errUnsupportedLockInfo - } - return li, 0, nil -} - -type countingReader struct { - n int - r io.Reader -} - -func (c *countingReader) Read(p []byte) (int, error) { - n, err := c.r.Read(p) - c.n += n - return n, err -} - -func writeLockInfo(w io.Writer, token string, ld LockDetails) (int, error) { - depth := "infinity" - if ld.ZeroDepth { - depth = "0" - } - timeout := ld.Duration / time.Second - return fmt.Fprintf(w, "\n"+ - "\n"+ - " \n"+ - " \n"+ - " %s\n"+ - " %s\n"+ - " Second-%d\n"+ - " %s\n"+ - " %s\n"+ - "", - depth, ld.OwnerXML, timeout, escape(token), escape(ld.Root), - ) -} - -func escape(s string) string { - for i := 0; i < len(s); i++ { - switch s[i] { - case '"', '&', '\'', '<', '>': - b := bytes.NewBuffer(nil) - ixml.EscapeText(b, []byte(s)) - return b.String() - } - } - return s -} - -// Next returns the next token, if any, in the XML stream of d. -// RFC 4918 requires to ignore comments, processing instructions -// and directives. -// http://www.webdav.org/specs/rfc4918.html#property_values -// http://www.webdav.org/specs/rfc4918.html#xml-extensibility -func next(d *ixml.Decoder) (ixml.Token, error) { - for { - t, err := d.Token() - if err != nil { - return t, err - } - switch t.(type) { - case ixml.Comment, ixml.Directive, ixml.ProcInst: - continue - default: - return t, nil - } - } -} - -// http://www.webdav.org/specs/rfc4918.html#ELEMENT_prop (for propfind) -type propfindProps []xml.Name - -// UnmarshalXML appends the property names enclosed within start to pn. -// -// It returns an error if start does not contain any properties or if -// properties contain values. Character data between properties is ignored. -func (pn *propfindProps) UnmarshalXML(d *ixml.Decoder, start ixml.StartElement) error { - for { - t, err := next(d) - if err != nil { - return err - } - switch t.(type) { - case ixml.EndElement: - if len(*pn) == 0 { - return fmt.Errorf("%s must not be empty", start.Name.Local) - } - return nil - case ixml.StartElement: - name := t.(ixml.StartElement).Name - t, err = next(d) - if err != nil { - return err - } - if _, ok := t.(ixml.EndElement); !ok { - return fmt.Errorf("unexpected token %T", t) - } - *pn = append(*pn, xml.Name(name)) - } - } -} - -// http://www.webdav.org/specs/rfc4918.html#ELEMENT_propfind -type propfind struct { - XMLName ixml.Name `xml:"DAV: propfind"` - Allprop *struct{} `xml:"DAV: allprop"` - Propname *struct{} `xml:"DAV: propname"` - Prop propfindProps `xml:"DAV: prop"` - Include propfindProps `xml:"DAV: include"` -} - -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 { - // An empty body means to propfind allprop. - // http://www.webdav.org/specs/rfc4918.html#METHOD_PROPFIND - return propfind{Allprop: new(struct{})}, 0, nil - } - err = errInvalidPropfind - } - return propfind{}, http.StatusBadRequest, err - } - - if pf.Allprop == nil && pf.Include != nil { - return propfind{}, http.StatusBadRequest, errInvalidPropfind - } - if pf.Allprop != nil && (pf.Prop != nil || pf.Propname != nil) { - return propfind{}, http.StatusBadRequest, errInvalidPropfind - } - if pf.Prop != nil && pf.Propname != nil { - return propfind{}, http.StatusBadRequest, errInvalidPropfind - } - if pf.Propname == nil && pf.Allprop == nil && pf.Prop == nil { - return propfind{}, http.StatusBadRequest, errInvalidPropfind - } - return pf, 0, nil -} - -// Property represents a single DAV resource property as defined in RFC 4918. -// See http://www.webdav.org/specs/rfc4918.html#data.model.for.resource.properties -type Property struct { - // XMLName is the fully qualified name that identifies this property. - XMLName xml.Name - - // Lang is an optional xml:lang attribute. - Lang string `xml:"xml:lang,attr,omitempty"` - - // InnerXML contains the XML representation of the property value. - // See http://www.webdav.org/specs/rfc4918.html#property_values - // - // Property values of complex type or mixed-content must have fully - // expanded XML namespaces or be self-contained with according - // XML namespace declarations. They must not rely on any XML - // namespace declarations within the scope of the XML document, - // even including the DAV: namespace. - InnerXML []byte `xml:",innerxml"` -} - -// ixmlProperty is the same as the Property type except it holds an ixml.Name -// instead of an xml.Name. -type ixmlProperty struct { - XMLName ixml.Name - Lang string `xml:"xml:lang,attr,omitempty"` - InnerXML []byte `xml:",innerxml"` -} - -// http://www.webdav.org/specs/rfc4918.html#ELEMENT_error -// 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. -type propstat struct { - Prop []Property `xml:"D:prop>_ignored_"` - Status string `xml:"D:status"` - Error *xmlError `xml:"D:error"` - ResponseDescription string `xml:"D:responsedescription,omitempty"` -} - -// ixmlPropstat is the same as the propstat type except it holds an ixml.Name -// instead of an xml.Name. -type ixmlPropstat struct { - Prop []ixmlProperty `xml:"D:prop>_ignored_"` - Status string `xml:"D:status"` - Error *xmlError `xml:"D:error"` - ResponseDescription string `xml:"D:responsedescription,omitempty"` -} - -// MarshalXML prepends the "D:" namespace prefix on properties in the DAV: namespace -// before encoding. See multistatusWriter. -func (ps propstat) MarshalXML(e *ixml.Encoder, start ixml.StartElement) error { - // Convert from a propstat to an ixmlPropstat. - ixmlPs := ixmlPropstat{ - Prop: make([]ixmlProperty, len(ps.Prop)), - Status: ps.Status, - Error: ps.Error, - ResponseDescription: ps.ResponseDescription, - } - for k, prop := range ps.Prop { - ixmlPs.Prop[k] = ixmlProperty{ - XMLName: ixml.Name(prop.XMLName), - Lang: prop.Lang, - InnerXML: prop.InnerXML, - } - } - - for k, prop := range ixmlPs.Prop { - if prop.XMLName.Space == "DAV:" { - prop.XMLName = ixml.Name{Space: "", Local: "D:" + prop.XMLName.Local} - ixmlPs.Prop[k] = prop - } - } - // Distinct type to avoid infinite recursion of MarshalXML. - type newpropstat ixmlPropstat - return e.EncodeElement(newpropstat(ixmlPs), start) -} - -// http://www.webdav.org/specs/rfc4918.html#ELEMENT_response -// See multistatusWriter for the "D:" namespace prefix. -type response struct { - XMLName ixml.Name `xml:"D:response"` - Href []string `xml:"D:href"` - Propstat []propstat `xml:"D:propstat"` - Status string `xml:"D:status,omitempty"` - Error *xmlError `xml:"D:error"` - ResponseDescription string `xml:"D:responsedescription,omitempty"` -} - -// MultistatusWriter marshals one or more Responses into a XML -// multistatus response. -// See http://www.webdav.org/specs/rfc4918.html#ELEMENT_multistatus -// TODO(rsto, mpl): As a workaround, the "D:" namespace prefix, defined as -// "DAV:" on this element, is prepended on the nested response, as well as on all -// its nested elements. All property names in the DAV: namespace are prefixed as -// 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 { - // 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 -} - -// Write validates and emits a DAV response as part of a multistatus response -// element. -// -// It sets the HTTP status code of its underlying http.ResponseWriter to 207 -// (Multi-Status) and populates the Content-Type header. If r is the -// 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 { - switch len(r.Href) { - case 0: - return errInvalidResponse - case 1: - if len(r.Propstat) > 0 != (r.Status == "") { - return errInvalidResponse - } - default: - if len(r.Propstat) > 0 || r.Status == "" { - return errInvalidResponse - } - } - err := w.writeHeader() - if err != nil { - return err - } - return w.enc.Encode(r) -} - -// 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 { - 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, ``) - if err != nil { - return err - } - w.enc = ixml.NewEncoder(w.w) - return w.enc.EncodeToken(ixml.StartElement{ - Name: ixml.Name{ - Space: "DAV:", - Local: "multistatus", - }, - Attr: []ixml.Attr{{ - Name: ixml.Name{Space: "xmlns", Local: "D"}, - Value: "DAV:", - }}, - }) -} - -// Close completes the marshalling of the multistatus response. It returns -// 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 { - if w.enc == nil { - return nil - } - var end []ixml.Token - if w.responseDescription != "" { - name := ixml.Name{Space: "DAV:", Local: "responsedescription"} - end = append(end, - ixml.StartElement{Name: name}, - ixml.CharData(w.responseDescription), - ixml.EndElement{Name: name}, - ) - } - end = append(end, ixml.EndElement{ - Name: ixml.Name{Space: "DAV:", Local: "multistatus"}, - }) - for _, t := range end { - err := w.enc.EncodeToken(t) - if err != nil { - return err - } - } - return w.enc.Flush() -} - -var xmlLangName = ixml.Name{Space: "http://www.w3.org/XML/1998/namespace", Local: "lang"} - -func xmlLang(s ixml.StartElement, d string) string { - for _, attr := range s.Attr { - if attr.Name == xmlLangName { - return attr.Value - } - } - return d -} - -type xmlValue []byte - -func (v *xmlValue) UnmarshalXML(d *ixml.Decoder, start ixml.StartElement) error { - // The XML value of a property can be arbitrary, mixed-content XML. - // To make sure that the unmarshalled value contains all required - // namespaces, we encode all the property value XML tokens into a - // buffer. This forces the encoder to redeclare any used namespaces. - var b bytes.Buffer - e := ixml.NewEncoder(&b) - for { - t, err := next(d) - if err != nil { - return err - } - if e, ok := t.(ixml.EndElement); ok && e.Name == start.Name { - break - } - if err = e.EncodeToken(t); err != nil { - return err - } - } - err := e.Flush() - if err != nil { - return err - } - *v = b.Bytes() - return nil -} - -// http://www.webdav.org/specs/rfc4918.html#ELEMENT_prop (for proppatch) -type proppatchProps []Property - -// UnmarshalXML appends the property names and values enclosed within start -// to ps. -// -// An xml:lang attribute that is defined either on the DAV:prop or property -// name XML element is propagated to the property's Lang field. -// -// UnmarshalXML returns an error if start does not contain any properties or if -// property values contain syntactically incorrect XML. -func (ps *proppatchProps) UnmarshalXML(d *ixml.Decoder, start ixml.StartElement) error { - lang := xmlLang(start, "") - for { - t, err := next(d) - if err != nil { - return err - } - switch elem := t.(type) { - case ixml.EndElement: - if len(*ps) == 0 { - return fmt.Errorf("%s must not be empty", start.Name.Local) - } - return nil - case ixml.StartElement: - p := Property{ - XMLName: xml.Name(t.(ixml.StartElement).Name), - Lang: xmlLang(t.(ixml.StartElement), lang), - } - err = d.DecodeElement(((*xmlValue)(&p.InnerXML)), &elem) - if err != nil { - return err - } - *ps = append(*ps, p) - } - } -} - -// http://www.webdav.org/specs/rfc4918.html#ELEMENT_set -// http://www.webdav.org/specs/rfc4918.html#ELEMENT_remove -type setRemove struct { - XMLName ixml.Name - Lang string `xml:"xml:lang,attr,omitempty"` - Prop proppatchProps `xml:"DAV: prop"` -} - -// http://www.webdav.org/specs/rfc4918.html#ELEMENT_propertyupdate -type propertyupdate struct { - XMLName ixml.Name `xml:"DAV: propertyupdate"` - Lang string `xml:"xml:lang,attr,omitempty"` - SetRemove []setRemove `xml:",any"` -} - -func readProppatch(r io.Reader) (patches []Proppatch, status int, err error) { - var pu propertyupdate - if err = ixml.NewDecoder(r).Decode(&pu); err != nil { - return nil, http.StatusBadRequest, err - } - for _, op := range pu.SetRemove { - remove := false - switch op.XMLName { - case ixml.Name{Space: "DAV:", Local: "set"}: - // No-op. - case ixml.Name{Space: "DAV:", Local: "remove"}: - for _, p := range op.Prop { - if len(p.InnerXML) > 0 { - return nil, http.StatusBadRequest, errInvalidProppatch - } - } - remove = true - default: - return nil, http.StatusBadRequest, errInvalidProppatch - } - patches = append(patches, Proppatch{Remove: remove, Props: op.Prop}) - } - return patches, 0, nil -} -- cgit v1.2.3