/
example.go
60 lines (54 loc) · 1.66 KB
/
example.go
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package internal
import (
"encoding/json"
"fmt"
"net/http"
"github.com/choonkeat-govtech/singpass"
"github.com/coreos/go-oidc/v3/oidc"
"github.com/go-jose/go-jose/v3"
"golang.org/x/oauth2"
)
func CompileCheck() error {
//
// Some setup
//
var provider oidc.Provider
cfg := oauth2.Config{
ClientID: `CLIENT_ID`,
RedirectURL: `http://myserver.com/mysingpass/callback`,
Endpoint: provider.Endpoint(),
Scopes: []string{oidc.ScopeOpenID},
}
var secretKeySet jose.JSONWebKeySet
if err := json.Unmarshal([]byte(`{"keys":[{"kty":"EC"...,"alg":"ECDH-ES+A256KW"}]}`), &secretKeySet); err != nil {
return fmt.Errorf("json.Unmarshal jose.JSONWebKeySet: %w", err)
}
singpassCallbackHandler, err := singpass.CallbackFromSingpass(
"https://id.singpass.gov.sg",
&provider,
secretKeySet,
cfg,
singpass.NonceStateFromCookie,
handleError,
handleSuccess,
)
if err != nil {
return fmt.Errorf("singpass.CallbackFromSingpass: %w", err)
}
//
// Use as http handlers
//
http.HandleFunc("/mysingpass/start", singpass.RedirectToSingpass(cfg, singpass.NonceStateToCookie, handleError))
http.HandleFunc("/mysingpass/callback", singpassCallbackHandler)
http.HandleFunc("/mysingpass/jwks", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
w.Write([]byte(`{"keys":[{"kty":"EC"...,"alg":"ECDH-ES+A256KW"}]}`))
})
return nil
}
func handleError(w http.ResponseWriter, r *http.Request, err error) {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
func handleSuccess(w http.ResponseWriter, _ *http.Request, payload singpass.NRICAndUUID) {
w.Write([]byte(fmt.Sprintf("Success! %#v", payload)))
}