coder/coderd/httpmw/externalauthparam.go

41 lines
1.0 KiB
Go

package httpmw
import (
"context"
"net/http"
"github.com/go-chi/chi/v5"
"github.com/coder/coder/v2/coderd/externalauth"
"github.com/coder/coder/v2/coderd/httpapi"
)
type externalAuthParamContextKey struct{}
func ExternalAuthParam(r *http.Request) *externalauth.Config {
config, ok := r.Context().Value(externalAuthParamContextKey{}).(*externalauth.Config)
if !ok {
panic("developer error: external auth param middleware not provided")
}
return config
}
func ExtractExternalAuthParam(configs []*externalauth.Config) func(next http.Handler) http.Handler {
configByID := make(map[string]*externalauth.Config)
for _, c := range configs {
configByID[c.ID] = c
}
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
config, ok := configByID[chi.URLParam(r, "externalauth")]
if !ok {
httpapi.ResourceNotFound(w)
return
}
r = r.WithContext(context.WithValue(r.Context(), externalAuthParamContextKey{}, config))
next.ServeHTTP(w, r)
})
}
}