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carddav: pass If-(None-)Match to backend

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This simply extends the interfaces to pass on the values if they were
used, relying on the backend to handle things accordingly.
This commit is contained in:
Conrad Hoffmann 2022-03-17 11:19:51 +01:00 committed by Simon Ser
parent 52215c1690
commit c4206ba616
1 changed files with 19 additions and 3 deletions
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22
carddav/server.go
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@ -14,13 +14,22 @@ import (
// TODO: add support for multiple address books
type PutAddressObjectOptions struct {
// IfNoneMatch indicates that the client does not want to overwrite
// an existing resource.
IfNoneMatch bool
// IfMatch provides the ETag of the resource that the client intends
// to overwrite, can be ""
IfMatch string
}
// Backend is a CardDAV server backend.
type Backend interface {
AddressBook(ctx context.Context) (*AddressBook, error)
GetAddressObject(ctx context.Context, path string, req *AddressDataRequest) (*AddressObject, error)
ListAddressObjects(ctx context.Context, req *AddressDataRequest) ([]AddressObject, error)
QueryAddressObjects(ctx context.Context, query *AddressBookQuery) ([]AddressObject, error)
PutAddressObject(ctx context.Context, path string, card vcard.Card) (loc string, err error)
PutAddressObject(ctx context.Context, path string, card vcard.Card, opts *PutAddressObjectOptions) (loc string, err error)
DeleteAddressObject(ctx context.Context, path string) error
}
@ -397,7 +406,14 @@ func (b *backend) Proppatch(r *http.Request, update *internal.Propertyupdate) (*
}
func (b *backend) Put(r *http.Request) (*internal.Href, error) {
// TODO: add support for If-None-Match and If-Match
if inm := r.Header.Get("If-None-Match"); inm != "" && inm != "*" {
return nil, internal.HTTPErrorf(http.StatusBadRequest, "invalid value for If-None-Match header")
}
opts := PutAddressObjectOptions{
IfNoneMatch: r.Header.Get("If-None-Match") == "*",
IfMatch: r.Header.Get("If-Match"),
}
t, _, err := mime.ParseMediaType(r.Header.Get("Content-Type"))
if err != nil {
@ -416,7 +432,7 @@ func (b *backend) Put(r *http.Request) (*internal.Href, error) {
}
// TODO: add support for the CARDDAV:no-uid-conflict error
loc, err := b.Backend.PutAddressObject(r.Context(), r.URL.Path, card)
loc, err := b.Backend.PutAddressObject(r.Context(), r.URL.Path, card, &opts)
if err != nil {
return nil, err
}