From eff65aa05c74e93533c2504b8141b0474011e68c Mon Sep 17 00:00:00 2001 From: Chris Date: Wed, 7 Feb 2018 11:05:46 -0600 Subject: ABC-132: sign error page parameters (#8197) * sign error page parameters * add comments --- utils/api_test.go | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 utils/api_test.go (limited to 'utils/api_test.go') diff --git a/utils/api_test.go b/utils/api_test.go new file mode 100644 index 000000000..5e41c7bfe --- /dev/null +++ b/utils/api_test.go @@ -0,0 +1,49 @@ +// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved. +// See License.txt for license information. + +package utils + +import ( + "crypto/ecdsa" + "crypto/elliptic" + "crypto/rand" + "crypto/sha256" + "encoding/asn1" + "encoding/base64" + "math/big" + "net/http" + "net/http/httptest" + "net/url" + "testing" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" +) + +func TestRenderWebError(t *testing.T) { + r := httptest.NewRequest("GET", "http://foo", nil) + w := httptest.NewRecorder() + key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) + require.NoError(t, err) + RenderWebError(w, r, http.StatusTemporaryRedirect, url.Values{ + "foo": []string{"bar"}, + }, key) + + resp := w.Result() + location, err := url.Parse(resp.Header.Get("Location")) + require.NoError(t, err) + require.NotEmpty(t, location.Query().Get("s")) + + type ecdsaSignature struct { + R, S *big.Int + } + var rs ecdsaSignature + s, err := base64.URLEncoding.DecodeString(location.Query().Get("s")) + require.NoError(t, err) + _, err = asn1.Unmarshal(s, &rs) + require.NoError(t, err) + + assert.Equal(t, "bar", location.Query().Get("foo")) + h := sha256.Sum256([]byte("/error?foo=bar")) + assert.True(t, ecdsa.Verify(&key.PublicKey, h[:], rs.R, rs.S)) +} -- cgit v1.2.3-1-g7c22