// Copyright 2017 Google LLC. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package logid import ( "crypto/sha256" "encoding/base64" "log" "reflect" "testing" ) var ( wanted LogID = [32]byte{ 'c', 't', 'l', 'o', 'g', '_', 'i', 'd', '_', 'f', 'o', 'r', '_', 't', 'e', 's', 't', 'i', 'n', 'g', '_', 'p', 'u', 'r', 'p', 'o', 's', 'e', 's', '!', '!', '1', } ) func toBytes(s string, l int) []byte { bs := []byte(s) if len(bs) != l { log.Fatalf("string %q is %d bytes long, wanted length %d", s, len(bs), l) } return bs } func TestFromBytes(t *testing.T) { tests := []struct { in string size int want *LogID wantErr bool }{ {"ctlog_id_for_testing_purposes!!1", sha256.Size, &wanted, false}, // "invalid CT LogID - expected 32 bytes but got 16" {"ctlog_id_for_tes", 16, nil, true}, // "invalid CT LogID - expected 32 bytes but got 37" {"ctlog_id_for_testing_purposes!!1extra", 37, nil, true}, } for _, test := range tests { got, err := FromBytes(toBytes(test.in, test.size)) if gotErr := err != nil; gotErr != test.wantErr { t.Errorf("FromBytes(%q): got err? %t, want? %t (err=%v)", test.in, gotErr, test.wantErr, err) } if err == nil && !reflect.DeepEqual(&got, test.want) { t.Errorf("FromBytes(%q): got %v, wanted %v", test.in, got, test.want) } } } func TestFromB64(t *testing.T) { tests := []struct { in string want *LogID wantErr bool }{ {"Y3Rsb2dfaWRfZm9yX3Rlc3RpbmdfcHVycG9zZXMhITE=", &wanted, false}, // "illegal base64 data at input byte 4" {"garbage", nil, true}, // "invalid CT LogID - expected 32 bytes but got 1" {"ab==", nil, true}, // "invalid CT LogID - expected 32 bytes but got 36" {"this+input+decodes+to+36+bytes+which+is+too+long", nil, true}, } for _, test := range tests { got, err := FromB64(test.in) if gotErr := err != nil; gotErr != test.wantErr { t.Errorf("FromB64(%q): got err? %t, want? %t (err=%v)", test.in, gotErr, test.wantErr, err) } if err == nil && !reflect.DeepEqual(&got, test.want) { t.Errorf("FromB64(%q): got %v, wanted %v", test.in, got, test.want) } } } func TestFromPubKeyB64(t *testing.T) { tests := []struct { desc string b64 string want string wantErr bool }{ { desc: "not base64", b64: "Not valid b64", want: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=", wantErr: true, }, { desc: "ECDSA", b64: "MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEfahLEimAoz2t01p3uMziiLOl/fHTDM0YDOhBRuiBARsV4UvxG2LdNgoIGLrtCzWE0J5APC2em4JlvR8EEEFMoA==", want: "pLkJkLQYWBSHuxOizGdwCjw1mAT5G9+443fNDsgN3BA=", wantErr: false, }, { desc: "RSA", b64: "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAolpIHxdSlTXLo1s6H1OCdpSj/4DyHDc8wLG9wVmLqy1lk9fz4ATVmm+/1iN2Nk8jmctUKK2MFUtlWXZBSpym97M7frGlSaQXUWyA3CqQUEuIJOmlEjKTBEiQAvpfDjCHjlV2Be4qTM6jamkJbiWtgnYPhJL6ONaGTiSPm7Byy57iaz/hbckldSOIoRhYBiMzeNoA0DiRZ9KmfSeXZ1rB8y8X5urSW+iBzf2SaOfzBvDpcoTuAaWx2DPazoOl28fP1hZ+kHUYvxbcMjttjauCFx+JII0dmuZNIwjfeG/GBb9frpSX219k1O4Wi6OEbHEr8at/XQ0y7gTikOxBn/s5wQIDAQAB", want: "rDua7X+pZ0dXFZ5tfVdWcvnZgQCUHpve/+yhMTt1eC0=", wantErr: false, }, } for _, test := range tests { logID, err := FromPubKeyB64(test.b64) if gotErr := err != nil; gotErr != test.wantErr { t.Errorf("%s: got? %t want? %t (err=%v)", test.desc, gotErr, test.wantErr, err) continue } if got := base64.StdEncoding.EncodeToString(logID.Bytes()); got != test.want { t.Errorf("%s: got? %s want? %s", test.desc, got, test.want) } } }