parcoursmob/handlers/api/oidc.go

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package api
import (
"context"
"fmt"
"net/http"
)
func (h APIHandler) OAuth2Callback(w http.ResponseWriter, r *http.Request) {
oauth2Token, err := h.idp.OAuth2Config.Exchange(context.Background(), r.URL.Query().Get("code"))
if err != nil {
fmt.Println("Exchange error")
fmt.Println(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
// Extract the ID Token from OAuth2 token.
rawIDToken, ok := oauth2Token.Extra("id_token").(string)
if !ok {
fmt.Println("issue retrieving token")
w.WriteHeader(http.StatusInternalServerError)
return
}
_, err = h.idp.TokenVerifier.Verify(context.Background(), rawIDToken)
if err != nil {
fmt.Println("not able to verify token")
fmt.Println(err)
w.WriteHeader(http.StatusUnauthorized)
return
}
session, _ := h.idp.SessionsStore.Get(r, "parcoursmob_session")
session.Values["idtoken"] = rawIDToken
redirect := "/app/"
if session.Values["redirect"] != nil && session.Values["redirect"] != "" {
redirect = session.Values["redirect"].(string)
delete(session.Values, "redirect")
}
if err = session.Save(r, w); err != nil {
fmt.Println(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
http.Redirect(w, r, redirect, http.StatusFound)
}