mirror of https://github.com/perkeep/perkeep.git
107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
/*
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Copyright 2013 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package encrypt
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import (
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"encoding/binary"
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"fmt"
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"io/ioutil"
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"sync"
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"testing"
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"camlistore.org/pkg/blob"
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"camlistore.org/pkg/sorted"
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"camlistore.org/pkg/test"
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)
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var testKey = []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
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type testStorage struct {
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sto *storage
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blobs *test.Fetcher
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meta *test.Fetcher
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mu sync.Mutex // guards iv
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iv uint64
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}
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// fetchOrErrorString fetches br from sto and returns its body as a string.
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// If an error occurs the stringified error is returned, prefixed by "Error: ".
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func (ts *testStorage) fetchOrErrorString(br blob.Ref) string {
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rc, _, err := ts.sto.FetchStreaming(br)
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var slurp []byte
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if err == nil {
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defer rc.Close()
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slurp, err = ioutil.ReadAll(rc)
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}
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if err != nil {
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return fmt.Sprintf("Error: %v", err)
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}
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return string(slurp)
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}
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func newTestStorage() *testStorage {
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sto := &storage{
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index: sorted.NewMemoryKeyValue(),
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}
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if err := sto.setKey(testKey); err != nil {
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panic(err)
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}
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ts := &testStorage{
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sto: sto,
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blobs: new(test.Fetcher),
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meta: new(test.Fetcher),
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}
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sto.blobs = ts.blobs
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sto.meta = ts.meta
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sto.testRandIV = func() []byte {
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ts.mu.Lock()
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defer ts.mu.Unlock()
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var ret [16]byte
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ts.iv++
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binary.BigEndian.PutUint64(ret[8:], ts.iv)
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return ret[:]
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}
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return ts
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}
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func TestEncryptBasic(t *testing.T) {
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ts := newTestStorage()
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const blobData = "foo"
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tb := &test.Blob{blobData}
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tb.MustUpload(t, ts.sto)
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if got := ts.fetchOrErrorString(tb.BlobRef()); got != blobData {
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t.Errorf("Fetching plaintext blobref %v = %v; want %q", tb.BlobRef(), got, blobData)
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}
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if g, w := fmt.Sprintf("%q", ts.meta.BlobrefStrings()), `["sha1-370c753f7158504d11d8941efff4129112f2f975"]`; g != w {
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t.Errorf("meta blobs = %v; want %v", g, w)
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}
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if g, w := fmt.Sprintf("%q", ts.blobs.BlobrefStrings()), `["sha1-64f05b6b313162b01db154fcc7b83238eb36c343"]`; g != w {
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t.Errorf("enc blobs = %v; want %v", g, w)
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}
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// Make sure plainBR doesn't show up anywhere.
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plainBR := tb.BlobRef().String()
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for _, br := range append(ts.meta.BlobrefStrings(), ts.blobs.BlobrefStrings()...) {
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if br == plainBR {
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t.Fatal("plaintext blobref found in storage")
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}
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}
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}
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