Files
inventory-plus-plus/internal/site/auth.go
T

84 lines
2.3 KiB
Go

package site
import (
"context"
"errors"
"fmt"
"net/http"
"time"
"ruben/inventory2/internal/consts"
"ruben/inventory2/internal/domains/authentication"
)
// just keep this around long enough for testing auth middleware..
func (s *Server) testAuthEndpoint(w http.ResponseWriter, r *http.Request) {
fmt.Println("SUCCESS:", getAccessTokenClaims(r.Context()))
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
}
type customClaimsKey struct{}
// auth middleware to verify access_token cookie and set custom claims in the request context
func (s *Server) authenticate(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ck, err := r.Cookie("access_token")
if err != nil {
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
ctx := r.Context()
claims, expiration, err := s.auth.GetAccessTokenClaimsAndExpiration(ctx, ck.Value)
if err != nil {
if errors.Is(err, consts.ErrNotFound) {
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
http.Error(w, fmt.Sprintf("failed to authenticate: %v", err), http.StatusInternalServerError)
return
}
if expiration.Before(time.Now()) {
deleteCookieInResponse(w, "access_token")
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
h.ServeHTTP(w, r.WithContext(setAccessTokenClaims(ctx, claims)))
})
}
func (s *Server) getAccessTokenClaims(r *http.Request) (authentication.AccessTokenClaims, bool) {
ck, err := r.Cookie("access_token")
if err != nil {
return authentication.AccessTokenClaims{}, false
}
ctx := r.Context()
claims, expiration, err := s.auth.GetAccessTokenClaimsAndExpiration(ctx, ck.Value)
if err != nil {
return authentication.AccessTokenClaims{}, false
}
if expiration.Before(time.Now()) {
return authentication.AccessTokenClaims{}, false
}
return claims, true
}
// stores custom claims in request context
func setAccessTokenClaims(ctx context.Context, claims authentication.AccessTokenClaims) context.Context {
return context.WithValue(ctx, customClaimsKey{}, claims)
}
// get custom claims from request context
func getAccessTokenClaims(ctx context.Context) authentication.AccessTokenClaims {
c, _ := ctx.Value(customClaimsKey{}).(authentication.AccessTokenClaims)
return c
}