61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package alpscaldav
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import (
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"fmt"
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"net/http"
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"net/url"
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"git.sr.ht/~emersion/alps"
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"github.com/emersion/go-webdav/caldav"
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)
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var errNoCalendar = fmt.Errorf("caldav: no calendar found")
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type authRoundTripper struct {
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upstream http.RoundTripper
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session *alps.Session
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}
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func (rt *authRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
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rt.session.SetHTTPBasicAuth(req)
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return rt.upstream.RoundTrip(req)
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}
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func newClient(u *url.URL, session *alps.Session) (*caldav.Client, error) {
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rt := authRoundTripper{
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upstream: http.DefaultTransport,
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session: session,
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}
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c, err := caldav.NewClient(&http.Client{Transport: &rt}, u.String())
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if err != nil {
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return nil, fmt.Errorf("failed to create CalDAV client: %v", err)
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}
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return c, nil
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}
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func getCalendar(u *url.URL, session *alps.Session) (*caldav.Client, *caldav.Calendar, error) {
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c, err := newClient(u, session)
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if err != nil {
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return nil, nil, err
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}
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principal, err := c.FindCurrentUserPrincipal()
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if err != nil {
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return nil, nil, fmt.Errorf("failed to query CalDAV principal: %v", err)
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}
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calendarHomeSet, err := c.FindCalendarHomeSet(principal)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to query CalDAV calendar home set: %v", err)
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}
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calendars, err := c.FindCalendars(calendarHomeSet)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to find calendars: %v", err)
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}
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if len(calendars) == 0 {
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return nil, nil, errNoCalendar
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}
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return c, &calendars[0], nil
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}
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