// UserError returns a JSON response for the provided UserError and
// HTTP status code.
func UserError(ctx context.Context, w http.ResponseWriter, status int, uerr usererrors.UserError) {
content, err := usererrors.MarshalJSON(uerr)
if err != nil {
panic(err)
}
reqlog.SetContext(ctx, "error_code", uerr.Code())
msg := json.RawMessage(content)
Data(ctx, w, status, &msg)
}
// WrapC wraps a handler and only passes requests with valid Bearer authorization.
func (c *Controller) WrapC(inner goji.Handler) goji.Handler {
return goji.HandlerFunc(func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
auth := r.Header.Get("Authorization")
if !strings.HasPrefix(auth, "Bearer ") {
respond.Error(ctx, w, http.StatusUnauthorized, usererrors.BearerAuthRequired{})
return
}
auth = strings.TrimPrefix(auth, "Bearer ")
if user := c.getUser(auth); user != nil {
ctx = context.WithValue(ctx, ctxKey, user)
reqlog.SetContext(ctx, "user_id", user.ID)
inner.ServeHTTPC(ctx, w, r)
} else {
respond.Error(ctx, w, http.StatusUnauthorized, usererrors.AuthInvalid{})
}
})
}
func TestWrapC(t *testing.T) {
var buf bytes.Buffer
logger := log.New(&buf, "", 0)
reqlog.SetLogger(logger)
var setOK bool
bare := goji.HandlerFunc(func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
setOK = reqlog.SetContext(ctx, "hey", "oh")
w.Write([]byte("foo"))
})
wrapped := reqlog.WrapC(bare)
req, err := http.NewRequest("FOO", "/bar", nil)
if err != nil {
t.Fatal(err)
}
wrapped.ServeHTTPC(context.Background(), httptest.NewRecorder(), req)
logged := buf.String()
t.Log(logged)
if !strings.Contains(logged, `http_status=200`) {
t.Errorf("Expected http_status in line %s", logged)
}
if !strings.Contains(logged, `hey="oh"`) {
t.Errorf("Expected to say hey oh in line %s", logged)
}
if !setOK {
t.Error("SetContext should have set successfully.")
}
setOK = true
buf.Reset()
bare.ServeHTTPC(context.Background(), httptest.NewRecorder(), req)
if buf.Len() != 0 {
t.Errorf("Nothing should have been logged but got %s", buf.String())
}
if setOK {
t.Errorf("SetContext should not have set successfully.")
}
}