carddav: implement REPORT addressbook-multiget

carddav/server.go

@@ -2,6 +2,7 @@ package carddav
 
 import (
 	"encoding/xml"
+	"mime"
 	"net/http"
 
 	"github.com/emersion/go-vcard"
@@ -25,9 +26,71 @@ func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	b := backend{h.Backend}
-	hh := internal.Handler{&b}
-	hh.ServeHTTP(w, r)
+	var err error
+	switch r.Method {
+	case "REPORT":
+		err = h.handleReport(w, r)
+	default:
+		b := backend{h.Backend}
+		hh := internal.Handler{&b}
+		hh.ServeHTTP(w, r)
+	}
+
+	if err != nil {
+		internal.ServeError(w, err)
+	}
+}
+
+func (h *Handler) handleReport(w http.ResponseWriter, r *http.Request) error {
+	t, _, _ := mime.ParseMediaType(r.Header.Get("Content-Type"))
+	if t != "application/xml" && t != "text/xml" {
+		return internal.HTTPErrorf(http.StatusBadRequest, "webdav: expected application/xml REPORT request")
+	}
+
+	var report reportReq
+	if err := xml.NewDecoder(r.Body).Decode(&report); err != nil {
+		return &internal.HTTPError{http.StatusBadRequest, err}
+	}
+
+	if report.Query != nil {
+		return h.handleQuery(w, report.Query)
+	} else if report.Multiget != nil {
+		return h.handleMultiget(w, report.Multiget)
+	}
+	return internal.HTTPErrorf(http.StatusBadRequest, "webdav: expected addressbook-query or addressbook-multiget element in REPORT request")
+}
+
+func (h *Handler) handleQuery(w http.ResponseWriter, query *addressbookQuery) error {
+	return nil // TODO
+}
+
+func (h *Handler) handleMultiget(w http.ResponseWriter, multiget *addressbookMultiget) error {
+	var resps []internal.Response
+	for _, href := range multiget.Hrefs {
+		ao, err := h.Backend.GetAddressObject(href)
+		if err != nil {
+			return err // TODO: create internal.Response with error
+		}
+
+		b := backend{h.Backend}
+		propfind := internal.Propfind{
+			Prop: multiget.Prop,
+			// TODO: Allprop, Propnames
+		}
+		resp, err := b.propfindAddressObject(&propfind, ao)
+		if err != nil {
+			return err
+		}
+
+		resps = append(resps, *resp)
+	}
+
+	ms := internal.NewMultistatus(resps...)
+
+	w.Header().Add("Content-Type", "text/xml; charset=\"utf-8\"")
+	w.WriteHeader(http.StatusMultiStatus)
+	w.Write([]byte(xml.Header))
+	return xml.NewEncoder(w).Encode(&ms)
 }
 
 type backend struct {
@@ -124,7 +187,8 @@ func (b *backend) propfindAddressObject(propfind *internal.Propfind, ao *Address
 		internal.GetContentTypeName: func(*internal.RawXMLValue) (interface{}, error) {
 			return &internal.GetContentType{Type: vcard.MIMEType}, nil
 		},
-		// TODO getlastmodified, getetag
+		// TODO: getlastmodified, getetag
+		// TODO: address-data
 	}
 
 	return internal.NewPropfindResponse(ao.Href, propfind, props)