mirror of
https://github.com/1f349/go-webdav.git
synced 2024-10-18 08:51:50 +01:00
ad1fe1c5a8
Both the displayname and the description can be absent for both calendars and address books. If this is the case they should not show up in PROPFIND responses as empty string.
754 lines
22 KiB
Go
754 lines
22 KiB
Go
package carddav
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/xml"
|
|
"fmt"
|
|
"mime"
|
|
"net/http"
|
|
"path"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/emersion/go-vcard"
|
|
"github.com/emersion/go-webdav"
|
|
"github.com/emersion/go-webdav/internal"
|
|
)
|
|
|
|
type PutAddressObjectOptions struct {
|
|
// IfNoneMatch indicates that the client does not want to overwrite
|
|
// an existing resource.
|
|
IfNoneMatch webdav.ConditionalMatch
|
|
// IfMatch provides the ETag of the resource that the client intends
|
|
// to overwrite, can be ""
|
|
IfMatch webdav.ConditionalMatch
|
|
}
|
|
|
|
// Backend is a CardDAV server backend.
|
|
type Backend interface {
|
|
AddressBookHomeSetPath(ctx context.Context) (string, error)
|
|
ListAddressBooks(ctx context.Context) ([]AddressBook, error)
|
|
GetAddressBook(ctx context.Context, path string) (*AddressBook, error)
|
|
CreateAddressBook(ctx context.Context, addressBook *AddressBook) error
|
|
DeleteAddressBook(ctx context.Context, path string) error
|
|
GetAddressObject(ctx context.Context, path string, req *AddressDataRequest) (*AddressObject, error)
|
|
ListAddressObjects(ctx context.Context, path string, req *AddressDataRequest) ([]AddressObject, error)
|
|
QueryAddressObjects(ctx context.Context, path string, query *AddressBookQuery) ([]AddressObject, error)
|
|
PutAddressObject(ctx context.Context, path string, card vcard.Card, opts *PutAddressObjectOptions) (loc string, err error)
|
|
DeleteAddressObject(ctx context.Context, path string) error
|
|
|
|
webdav.UserPrincipalBackend
|
|
}
|
|
|
|
// Handler handles CardDAV HTTP requests. It can be used to create a CardDAV
|
|
// server.
|
|
type Handler struct {
|
|
Backend Backend
|
|
Prefix string
|
|
}
|
|
|
|
// ServeHTTP implements http.Handler.
|
|
func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
if h.Backend == nil {
|
|
http.Error(w, "carddav: no backend available", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
if r.URL.Path == "/.well-known/carddav" {
|
|
principalPath, err := h.Backend.CurrentUserPrincipal(r.Context())
|
|
if err != nil {
|
|
http.Error(w, "carddav: failed to determine current user principal", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
http.Redirect(w, r, principalPath, http.StatusPermanentRedirect)
|
|
return
|
|
}
|
|
|
|
var err error
|
|
switch r.Method {
|
|
case "REPORT":
|
|
err = h.handleReport(w, r)
|
|
default:
|
|
b := backend{
|
|
Backend: h.Backend,
|
|
Prefix: strings.TrimSuffix(h.Prefix, "/"),
|
|
}
|
|
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 {
|
|
var report reportReq
|
|
if err := internal.DecodeXMLRequest(r, &report); err != nil {
|
|
return err
|
|
}
|
|
|
|
if report.Query != nil {
|
|
return h.handleQuery(r, w, report.Query)
|
|
} else if report.Multiget != nil {
|
|
return h.handleMultiget(r.Context(), w, report.Multiget)
|
|
}
|
|
return internal.HTTPErrorf(http.StatusBadRequest, "carddav: expected addressbook-query or addressbook-multiget element in REPORT request")
|
|
}
|
|
|
|
func decodePropFilter(el *propFilter) (*PropFilter, error) {
|
|
pf := &PropFilter{Name: el.Name, Test: FilterTest(el.Test)}
|
|
if el.IsNotDefined != nil {
|
|
if len(el.TextMatches) > 0 || len(el.Params) > 0 {
|
|
return nil, fmt.Errorf("carddav: failed to parse prop-filter: if is-not-defined is provided, text-match or param-filter can't be provided")
|
|
}
|
|
pf.IsNotDefined = true
|
|
}
|
|
for _, tm := range el.TextMatches {
|
|
pf.TextMatches = append(pf.TextMatches, *decodeTextMatch(&tm))
|
|
}
|
|
for _, paramEl := range el.Params {
|
|
param, err := decodeParamFilter(¶mEl)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
pf.Params = append(pf.Params, *param)
|
|
}
|
|
return pf, nil
|
|
}
|
|
|
|
func decodeParamFilter(el *paramFilter) (*ParamFilter, error) {
|
|
pf := &ParamFilter{Name: el.Name}
|
|
if el.IsNotDefined != nil {
|
|
if el.TextMatch != nil {
|
|
return nil, fmt.Errorf("carddav: failed to parse param-filter: if is-not-defined is provided, text-match can't be provided")
|
|
}
|
|
pf.IsNotDefined = true
|
|
}
|
|
if el.TextMatch != nil {
|
|
pf.TextMatch = decodeTextMatch(el.TextMatch)
|
|
}
|
|
return pf, nil
|
|
}
|
|
|
|
func decodeTextMatch(tm *textMatch) *TextMatch {
|
|
return &TextMatch{
|
|
Text: tm.Text,
|
|
NegateCondition: bool(tm.NegateCondition),
|
|
MatchType: MatchType(tm.MatchType),
|
|
}
|
|
}
|
|
|
|
func decodeAddressDataReq(addressData *addressDataReq) (*AddressDataRequest, error) {
|
|
if addressData.Allprop != nil && len(addressData.Props) > 0 {
|
|
return nil, internal.HTTPErrorf(http.StatusBadRequest, "carddav: only one of allprop or prop can be specified in address-data")
|
|
}
|
|
|
|
req := &AddressDataRequest{AllProp: addressData.Allprop != nil}
|
|
for _, p := range addressData.Props {
|
|
req.Props = append(req.Props, p.Name)
|
|
}
|
|
return req, nil
|
|
}
|
|
|
|
func (h *Handler) handleQuery(r *http.Request, w http.ResponseWriter, query *addressbookQuery) error {
|
|
var q AddressBookQuery
|
|
if query.Prop != nil {
|
|
var addressData addressDataReq
|
|
if err := query.Prop.Decode(&addressData); err != nil && !internal.IsNotFound(err) {
|
|
return err
|
|
}
|
|
req, err := decodeAddressDataReq(&addressData)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
q.DataRequest = *req
|
|
}
|
|
q.FilterTest = FilterTest(query.Filter.Test)
|
|
for _, el := range query.Filter.Props {
|
|
pf, err := decodePropFilter(&el)
|
|
if err != nil {
|
|
return &internal.HTTPError{http.StatusBadRequest, err}
|
|
}
|
|
q.PropFilters = append(q.PropFilters, *pf)
|
|
}
|
|
if query.Limit != nil {
|
|
q.Limit = int(query.Limit.NResults)
|
|
if q.Limit <= 0 {
|
|
return internal.ServeMultiStatus(w, internal.NewMultiStatus())
|
|
}
|
|
}
|
|
|
|
aos, err := h.Backend.QueryAddressObjects(r.Context(), r.URL.Path, &q)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var resps []internal.Response
|
|
for _, ao := range aos {
|
|
b := backend{
|
|
Backend: h.Backend,
|
|
Prefix: strings.TrimSuffix(h.Prefix, "/"),
|
|
}
|
|
propfind := internal.PropFind{
|
|
Prop: query.Prop,
|
|
AllProp: query.AllProp,
|
|
PropName: query.PropName,
|
|
}
|
|
resp, err := b.propFindAddressObject(r.Context(), &propfind, &ao)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resps = append(resps, *resp)
|
|
}
|
|
|
|
ms := internal.NewMultiStatus(resps...)
|
|
return internal.ServeMultiStatus(w, ms)
|
|
}
|
|
|
|
func (h *Handler) handleMultiget(ctx context.Context, w http.ResponseWriter, multiget *addressbookMultiget) error {
|
|
var dataReq AddressDataRequest
|
|
if multiget.Prop != nil {
|
|
var addressData addressDataReq
|
|
if err := multiget.Prop.Decode(&addressData); err != nil && !internal.IsNotFound(err) {
|
|
return err
|
|
}
|
|
decoded, err := decodeAddressDataReq(&addressData)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
dataReq = *decoded
|
|
}
|
|
|
|
var resps []internal.Response
|
|
for _, href := range multiget.Hrefs {
|
|
ao, err := h.Backend.GetAddressObject(ctx, href.Path, &dataReq)
|
|
if err != nil {
|
|
resp := internal.NewErrorResponse(href.Path, err)
|
|
resps = append(resps, *resp)
|
|
continue
|
|
}
|
|
|
|
b := backend{
|
|
Backend: h.Backend,
|
|
Prefix: strings.TrimSuffix(h.Prefix, "/"),
|
|
}
|
|
propfind := internal.PropFind{
|
|
Prop: multiget.Prop,
|
|
AllProp: multiget.AllProp,
|
|
PropName: multiget.PropName,
|
|
}
|
|
resp, err := b.propFindAddressObject(ctx, &propfind, ao)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resps = append(resps, *resp)
|
|
}
|
|
|
|
ms := internal.NewMultiStatus(resps...)
|
|
return internal.ServeMultiStatus(w, ms)
|
|
}
|
|
|
|
type backend struct {
|
|
Backend Backend
|
|
Prefix string
|
|
}
|
|
|
|
type resourceType int
|
|
|
|
const (
|
|
resourceTypeRoot resourceType = iota
|
|
resourceTypeUserPrincipal
|
|
resourceTypeAddressBookHomeSet
|
|
resourceTypeAddressBook
|
|
resourceTypeAddressObject
|
|
)
|
|
|
|
func (b *backend) resourceTypeAtPath(reqPath string) resourceType {
|
|
p := path.Clean(reqPath)
|
|
p = strings.TrimPrefix(p, b.Prefix)
|
|
if !strings.HasPrefix(p, "/") {
|
|
p = "/" + p
|
|
}
|
|
if p == "/" {
|
|
return resourceTypeRoot
|
|
}
|
|
return resourceType(len(strings.Split(p, "/")) - 1)
|
|
}
|
|
|
|
func (b *backend) Options(r *http.Request) (caps []string, allow []string, err error) {
|
|
caps = []string{"addressbook"}
|
|
|
|
if b.resourceTypeAtPath(r.URL.Path) != resourceTypeAddressObject {
|
|
// Note: some clients assume the address book is read-only when
|
|
// DELETE/MKCOL are missing
|
|
return caps, []string{http.MethodOptions, "PROPFIND", "REPORT", "DELETE", "MKCOL"}, nil
|
|
}
|
|
|
|
var dataReq AddressDataRequest
|
|
_, err = b.Backend.GetAddressObject(r.Context(), r.URL.Path, &dataReq)
|
|
if httpErr, ok := err.(*internal.HTTPError); ok && httpErr.Code == http.StatusNotFound {
|
|
return caps, []string{http.MethodOptions, http.MethodPut}, nil
|
|
} else if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
return caps, []string{
|
|
http.MethodOptions,
|
|
http.MethodHead,
|
|
http.MethodGet,
|
|
http.MethodPut,
|
|
http.MethodDelete,
|
|
"PROPFIND",
|
|
}, nil
|
|
}
|
|
|
|
func (b *backend) HeadGet(w http.ResponseWriter, r *http.Request) error {
|
|
var dataReq AddressDataRequest
|
|
if r.Method != http.MethodHead {
|
|
dataReq.AllProp = true
|
|
}
|
|
ao, err := b.Backend.GetAddressObject(r.Context(), r.URL.Path, &dataReq)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
w.Header().Set("Content-Type", vcard.MIMEType)
|
|
if ao.ContentLength > 0 {
|
|
w.Header().Set("Content-Length", strconv.FormatInt(ao.ContentLength, 10))
|
|
}
|
|
if ao.ETag != "" {
|
|
w.Header().Set("ETag", internal.ETag(ao.ETag).String())
|
|
}
|
|
if !ao.ModTime.IsZero() {
|
|
w.Header().Set("Last-Modified", ao.ModTime.UTC().Format(http.TimeFormat))
|
|
}
|
|
|
|
if r.Method != http.MethodHead {
|
|
return vcard.NewEncoder(w).Encode(ao.Card)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *backend) PropFind(r *http.Request, propfind *internal.PropFind, depth internal.Depth) (*internal.MultiStatus, error) {
|
|
resType := b.resourceTypeAtPath(r.URL.Path)
|
|
|
|
var dataReq AddressDataRequest
|
|
var resps []internal.Response
|
|
|
|
switch resType {
|
|
case resourceTypeRoot:
|
|
resp, err := b.propFindRoot(r.Context(), propfind)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, *resp)
|
|
case resourceTypeUserPrincipal:
|
|
principalPath, err := b.Backend.CurrentUserPrincipal(r.Context())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if r.URL.Path == principalPath {
|
|
resp, err := b.propFindUserPrincipal(r.Context(), propfind)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, *resp)
|
|
if depth != internal.DepthZero {
|
|
resp, err := b.propFindHomeSet(r.Context(), propfind)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, *resp)
|
|
if depth == internal.DepthInfinity {
|
|
resps_, err := b.propFindAllAddressBooks(r.Context(), propfind, true)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, resps_...)
|
|
}
|
|
}
|
|
}
|
|
case resourceTypeAddressBookHomeSet:
|
|
homeSetPath, err := b.Backend.AddressBookHomeSetPath(r.Context())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if r.URL.Path == homeSetPath {
|
|
resp, err := b.propFindHomeSet(r.Context(), propfind)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, *resp)
|
|
if depth != internal.DepthZero {
|
|
recurse := depth == internal.DepthInfinity
|
|
resps_, err := b.propFindAllAddressBooks(r.Context(), propfind, recurse)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, resps_...)
|
|
}
|
|
}
|
|
case resourceTypeAddressBook:
|
|
ab, err := b.Backend.GetAddressBook(r.Context(), r.URL.Path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resp, err := b.propFindAddressBook(r.Context(), propfind, ab)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, *resp)
|
|
if depth != internal.DepthZero {
|
|
resps_, err := b.propFindAllAddressObjects(r.Context(), propfind, ab)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, resps_...)
|
|
}
|
|
case resourceTypeAddressObject:
|
|
ao, err := b.Backend.GetAddressObject(r.Context(), r.URL.Path, &dataReq)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
resp, err := b.propFindAddressObject(r.Context(), propfind, ao)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, *resp)
|
|
}
|
|
|
|
return internal.NewMultiStatus(resps...), nil
|
|
}
|
|
|
|
func (b *backend) propFindRoot(ctx context.Context, propfind *internal.PropFind) (*internal.Response, error) {
|
|
principalPath, err := b.Backend.CurrentUserPrincipal(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
props := map[xml.Name]internal.PropFindFunc{
|
|
internal.CurrentUserPrincipalName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &internal.CurrentUserPrincipal{Href: internal.Href{Path: principalPath}}, nil
|
|
},
|
|
internal.ResourceTypeName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
return internal.NewResourceType(internal.CollectionName), nil
|
|
},
|
|
}
|
|
return internal.NewPropFindResponse(principalPath, propfind, props)
|
|
}
|
|
|
|
func (b *backend) propFindUserPrincipal(ctx context.Context, propfind *internal.PropFind) (*internal.Response, error) {
|
|
principalPath, err := b.Backend.CurrentUserPrincipal(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
homeSetPath, err := b.Backend.AddressBookHomeSetPath(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
props := map[xml.Name]internal.PropFindFunc{
|
|
internal.CurrentUserPrincipalName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &internal.CurrentUserPrincipal{Href: internal.Href{Path: principalPath}}, nil
|
|
},
|
|
addressBookHomeSetName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &addressbookHomeSet{Href: internal.Href{Path: homeSetPath}}, nil
|
|
},
|
|
internal.ResourceTypeName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
return internal.NewResourceType(internal.CollectionName), nil
|
|
},
|
|
}
|
|
return internal.NewPropFindResponse(principalPath, propfind, props)
|
|
}
|
|
|
|
func (b *backend) propFindHomeSet(ctx context.Context, propfind *internal.PropFind) (*internal.Response, error) {
|
|
principalPath, err := b.Backend.CurrentUserPrincipal(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
homeSetPath, err := b.Backend.AddressBookHomeSetPath(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// TODO anything else to return here?
|
|
props := map[xml.Name]internal.PropFindFunc{
|
|
internal.CurrentUserPrincipalName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &internal.CurrentUserPrincipal{Href: internal.Href{Path: principalPath}}, nil
|
|
},
|
|
internal.ResourceTypeName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
return internal.NewResourceType(internal.CollectionName), nil
|
|
},
|
|
}
|
|
return internal.NewPropFindResponse(homeSetPath, propfind, props)
|
|
}
|
|
|
|
func (b *backend) propFindAddressBook(ctx context.Context, propfind *internal.PropFind, ab *AddressBook) (*internal.Response, error) {
|
|
props := map[xml.Name]internal.PropFindFunc{
|
|
internal.CurrentUserPrincipalName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
path, err := b.Backend.CurrentUserPrincipal(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &internal.CurrentUserPrincipal{Href: internal.Href{Path: path}}, nil
|
|
},
|
|
internal.ResourceTypeName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
return internal.NewResourceType(internal.CollectionName, addressBookName), nil
|
|
},
|
|
supportedAddressDataName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &supportedAddressData{
|
|
Types: []addressDataType{
|
|
{ContentType: vcard.MIMEType, Version: "3.0"},
|
|
{ContentType: vcard.MIMEType, Version: "4.0"},
|
|
},
|
|
}, nil
|
|
},
|
|
}
|
|
|
|
if ab.Name != "" {
|
|
props[internal.DisplayNameName] = func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &internal.DisplayName{Name: ab.Name}, nil
|
|
}
|
|
}
|
|
if ab.Description != "" {
|
|
props[addressBookDescriptionName] = func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &addressbookDescription{Description: ab.Description}, nil
|
|
}
|
|
}
|
|
if ab.MaxResourceSize > 0 {
|
|
props[maxResourceSizeName] = func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &maxResourceSize{Size: ab.MaxResourceSize}, nil
|
|
}
|
|
}
|
|
|
|
return internal.NewPropFindResponse(ab.Path, propfind, props)
|
|
}
|
|
|
|
func (b *backend) propFindAllAddressBooks(ctx context.Context, propfind *internal.PropFind, recurse bool) ([]internal.Response, error) {
|
|
abs, err := b.Backend.ListAddressBooks(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var resps []internal.Response
|
|
for _, ab := range abs {
|
|
resp, err := b.propFindAddressBook(ctx, propfind, &ab)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, *resp)
|
|
if recurse {
|
|
resps_, err := b.propFindAllAddressObjects(ctx, propfind, &ab)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, resps_...)
|
|
}
|
|
}
|
|
return resps, nil
|
|
}
|
|
|
|
func (b *backend) propFindAddressObject(ctx context.Context, propfind *internal.PropFind, ao *AddressObject) (*internal.Response, error) {
|
|
props := map[xml.Name]internal.PropFindFunc{
|
|
internal.CurrentUserPrincipalName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
path, err := b.Backend.CurrentUserPrincipal(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &internal.CurrentUserPrincipal{Href: internal.Href{Path: path}}, nil
|
|
},
|
|
internal.GetContentTypeName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &internal.GetContentType{Type: vcard.MIMEType}, nil
|
|
},
|
|
// TODO: address-data can only be used in REPORT requests
|
|
addressDataName: func(*internal.RawXMLValue) (interface{}, error) {
|
|
var buf bytes.Buffer
|
|
if err := vcard.NewEncoder(&buf).Encode(ao.Card); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &addressDataResp{Data: buf.Bytes()}, nil
|
|
},
|
|
}
|
|
|
|
if ao.ContentLength > 0 {
|
|
props[internal.GetContentLengthName] = func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &internal.GetContentLength{Length: ao.ContentLength}, nil
|
|
}
|
|
}
|
|
if !ao.ModTime.IsZero() {
|
|
props[internal.GetLastModifiedName] = func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &internal.GetLastModified{LastModified: internal.Time(ao.ModTime)}, nil
|
|
}
|
|
}
|
|
|
|
if ao.ETag != "" {
|
|
props[internal.GetETagName] = func(*internal.RawXMLValue) (interface{}, error) {
|
|
return &internal.GetETag{ETag: internal.ETag(ao.ETag)}, nil
|
|
}
|
|
}
|
|
|
|
return internal.NewPropFindResponse(ao.Path, propfind, props)
|
|
}
|
|
|
|
func (b *backend) propFindAllAddressObjects(ctx context.Context, propfind *internal.PropFind, ab *AddressBook) ([]internal.Response, error) {
|
|
var dataReq AddressDataRequest
|
|
aos, err := b.Backend.ListAddressObjects(ctx, ab.Path, &dataReq)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var resps []internal.Response
|
|
for _, ao := range aos {
|
|
resp, err := b.propFindAddressObject(ctx, propfind, &ao)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resps = append(resps, *resp)
|
|
}
|
|
return resps, nil
|
|
}
|
|
|
|
func (b *backend) PropPatch(r *http.Request, update *internal.PropertyUpdate) (*internal.Response, error) {
|
|
homeSetPath, err := b.Backend.AddressBookHomeSetPath(r.Context())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
resp := internal.NewOKResponse(r.URL.Path)
|
|
|
|
if r.URL.Path == homeSetPath {
|
|
// TODO: support PROPPATCH for address books
|
|
for _, prop := range update.Remove {
|
|
emptyVal := internal.NewRawXMLElement(prop.Prop.XMLName, nil, nil)
|
|
if err := resp.EncodeProp(http.StatusNotImplemented, emptyVal); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
for _, prop := range update.Set {
|
|
emptyVal := internal.NewRawXMLElement(prop.Prop.XMLName, nil, nil)
|
|
if err := resp.EncodeProp(http.StatusNotImplemented, emptyVal); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
} else {
|
|
for _, prop := range update.Remove {
|
|
emptyVal := internal.NewRawXMLElement(prop.Prop.XMLName, nil, nil)
|
|
if err := resp.EncodeProp(http.StatusMethodNotAllowed, emptyVal); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
for _, prop := range update.Set {
|
|
emptyVal := internal.NewRawXMLElement(prop.Prop.XMLName, nil, nil)
|
|
if err := resp.EncodeProp(http.StatusMethodNotAllowed, emptyVal); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
}
|
|
|
|
return resp, nil
|
|
}
|
|
|
|
func (b *backend) Put(r *http.Request) (*internal.Href, error) {
|
|
ifNoneMatch := webdav.ConditionalMatch(r.Header.Get("If-None-Match"))
|
|
ifMatch := webdav.ConditionalMatch(r.Header.Get("If-Match"))
|
|
|
|
opts := PutAddressObjectOptions{
|
|
IfNoneMatch: ifNoneMatch,
|
|
IfMatch: ifMatch,
|
|
}
|
|
|
|
t, _, err := mime.ParseMediaType(r.Header.Get("Content-Type"))
|
|
if err != nil {
|
|
return nil, internal.HTTPErrorf(http.StatusBadRequest, "carddav: malformed Content-Type: %v", err)
|
|
}
|
|
if t != vcard.MIMEType {
|
|
// TODO: send CARDDAV:supported-address-data error
|
|
return nil, internal.HTTPErrorf(http.StatusBadRequest, "carddav: unsupporetd Content-Type %q", t)
|
|
}
|
|
|
|
// TODO: check CARDDAV:max-resource-size precondition
|
|
card, err := vcard.NewDecoder(r.Body).Decode()
|
|
if err != nil {
|
|
// TODO: send CARDDAV:valid-address-data error
|
|
return nil, internal.HTTPErrorf(http.StatusBadRequest, "carddav: failed to parse vCard: %v", err)
|
|
}
|
|
|
|
// TODO: add support for the CARDDAV:no-uid-conflict error
|
|
loc, err := b.Backend.PutAddressObject(r.Context(), r.URL.Path, card, &opts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &internal.Href{Path: loc}, nil
|
|
}
|
|
|
|
func (b *backend) Delete(r *http.Request) error {
|
|
switch b.resourceTypeAtPath(r.URL.Path) {
|
|
case resourceTypeAddressBook:
|
|
return b.Backend.DeleteAddressBook(r.Context(), r.URL.Path)
|
|
case resourceTypeAddressObject:
|
|
return b.Backend.DeleteAddressObject(r.Context(), r.URL.Path)
|
|
}
|
|
return internal.HTTPErrorf(http.StatusForbidden, "carddav: cannot delete resource at given location")
|
|
}
|
|
|
|
func (b *backend) Mkcol(r *http.Request) error {
|
|
if b.resourceTypeAtPath(r.URL.Path) != resourceTypeAddressBook {
|
|
return internal.HTTPErrorf(http.StatusForbidden, "carddav: address book creation not allowed at given location")
|
|
}
|
|
|
|
ab := AddressBook{
|
|
Path: r.URL.Path,
|
|
}
|
|
|
|
if !internal.IsRequestBodyEmpty(r) {
|
|
var m mkcolReq
|
|
if err := internal.DecodeXMLRequest(r, &m); err != nil {
|
|
return internal.HTTPErrorf(http.StatusBadRequest, "carddav: error parsing mkcol request: %s", err.Error())
|
|
}
|
|
|
|
if !m.ResourceType.Is(internal.CollectionName) || !m.ResourceType.Is(addressBookName) {
|
|
return internal.HTTPErrorf(http.StatusBadRequest, "carddav: unexpected resource type")
|
|
}
|
|
ab.Name = m.DisplayName
|
|
ab.Description = m.Description.Description
|
|
// TODO ...
|
|
}
|
|
|
|
return b.Backend.CreateAddressBook(r.Context(), &ab)
|
|
}
|
|
|
|
func (b *backend) Copy(r *http.Request, dest *internal.Href, recursive, overwrite bool) (created bool, err error) {
|
|
return false, internal.HTTPErrorf(http.StatusNotImplemented, "carddav: Copy not implemented")
|
|
}
|
|
|
|
func (b *backend) Move(r *http.Request, dest *internal.Href, overwrite bool) (created bool, err error) {
|
|
return false, internal.HTTPErrorf(http.StatusNotImplemented, "carddav: Move not implemented")
|
|
}
|
|
|
|
// https://tools.ietf.org/rfcmarkup?doc=6352#section-6.3.2.1
|
|
type PreconditionType string
|
|
|
|
const (
|
|
PreconditionNoUIDConflict PreconditionType = "no-uid-conflict"
|
|
PreconditionSupportedAddressData PreconditionType = "supported-address-data"
|
|
PreconditionValidAddressData PreconditionType = "valid-address-data"
|
|
PreconditionMaxResourceSize PreconditionType = "max-resource-size"
|
|
)
|
|
|
|
func NewPreconditionError(err PreconditionType) error {
|
|
name := xml.Name{"urn:ietf:params:xml:ns:carddav", string(err)}
|
|
elem := internal.NewRawXMLElement(name, nil, nil)
|
|
return &internal.HTTPError{
|
|
Code: 409,
|
|
Err: &internal.Error{
|
|
Raw: []internal.RawXMLValue{*elem},
|
|
},
|
|
}
|
|
}
|