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package koushincarddav
import (
"fmt"
"net/http"
"net/url"
"git.sr.ht/~emersion/koushin"
"github.com/emersion/go-webdav/carddav"
)
var errNoAddressBook = fmt.Errorf("carddav: no address book found")
type authRoundTripper struct {
upstream http.RoundTripper
session *koushin.Session
}
func (rt *authRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
rt.session.SetHTTPBasicAuth(req)
return rt.upstream.RoundTrip(req)
}
func getAddressBook(u *url.URL, session *koushin.Session) (*carddav.Client, *carddav.AddressBook, error) {
rt := authRoundTripper{
upstream: http.DefaultTransport,
session: session,
}
c, err := carddav.NewClient(&http.Client{Transport: &rt}, u.String())
if err != nil {
return nil, nil, fmt.Errorf("failed to create CardDAV client: %v", err)
}
principal, err := c.FindCurrentUserPrincipal()
if err != nil {
return nil, nil, fmt.Errorf("failed to query CardDAV principal: %v", err)
}
addressBookHomeSet, err := c.FindAddressBookHomeSet(principal)
if err != nil {
return nil, nil, fmt.Errorf("failed to query CardDAV address book home set: %v", err)
}
addressBooks, err := c.FindAddressBooks(addressBookHomeSet)
if err != nil {
return nil, nil, fmt.Errorf("failed to query CardDAV address books: %v", err)
}
if len(addressBooks) == 0 {
return nil, nil, errNoAddressBook
}
return c, &addressBooks[0], nil
}
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