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package handlers
import (
"crypto/subtle"
"net/http"
"github.com/LMBishop/confplanner/api/dto"
"github.com/LMBishop/confplanner/pkg/calendar"
"github.com/LMBishop/confplanner/pkg/ical"
)
func GetIcal(icalService ical.Service, calendarService calendar.Service) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
name := r.URL.Query().Get("name")
key := r.URL.Query().Get("key")
if name == "" || key == "" {
dto.WriteDto(w, r, &dto.ErrorResponse{
Code: http.StatusBadRequest,
Message: "Both name and key must be specified",
})
return
}
calendar, err := calendarService.GetCalendarByName(name)
if err != nil {
dto.WriteDto(w, r, err)
return
}
if subtle.ConstantTimeCompare([]byte(key), []byte(calendar.Key)) != 1 {
dto.WriteDto(w, r, &dto.ErrorResponse{
Code: http.StatusUnauthorized,
Message: "Invalid key",
})
return
}
ical, err := icalService.GenerateIcalForCalendar(*calendar)
if err != nil {
dto.WriteDto(w, r, err)
return
}
w.Header().Add("Content-Type", "text/calendar")
w.Write([]byte(ical))
}
}
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