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Add rekor harness tests for adding and getting entries from previous …
…versions (#945) Signed-off-by: Priya Wadhwa <priya@chainguard.dev>
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2022 The Sigstore Authors. | ||
| // | ||
| // 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. | ||
|
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| //go:build e2e | ||
| // +build e2e | ||
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| package e2e | ||
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| import ( | ||
| "bytes" | ||
| "crypto/ecdsa" | ||
| "crypto/sha256" | ||
| "crypto/x509" | ||
| "encoding/base64" | ||
| "encoding/hex" | ||
| "encoding/json" | ||
| "encoding/pem" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "path/filepath" | ||
| "strings" | ||
| "testing" | ||
|
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| "github.com/google/go-cmp/cmp" | ||
| "github.com/in-toto/in-toto-golang/in_toto" | ||
| slsa "github.com/in-toto/in-toto-golang/in_toto/slsa_provenance/v0.2" | ||
| "github.com/secure-systems-lab/go-securesystemslib/dsse" | ||
| "github.com/sigstore/rekor/pkg/generated/models" | ||
| "github.com/sigstore/rekor/pkg/types" | ||
| ) | ||
|
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| // Make sure we can add an entry | ||
| func TestHarnessAddEntry(t *testing.T) { | ||
| // Create a random artifact and sign it. | ||
| artifactPath := filepath.Join(t.TempDir(), "artifact") | ||
| sigPath := filepath.Join(t.TempDir(), "signature.asc") | ||
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| createdX509SignedArtifact(t, artifactPath, sigPath) | ||
| dataBytes, _ := ioutil.ReadFile(artifactPath) | ||
| h := sha256.Sum256(dataBytes) | ||
| dataSHA := hex.EncodeToString(h[:]) | ||
|
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| // Write the public key to a file | ||
| pubPath := filepath.Join(t.TempDir(), "pubKey.asc") | ||
| if err := ioutil.WriteFile(pubPath, []byte(rsaCert), 0644); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
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| // Verify should fail initially | ||
| runCliErr(t, "verify", "--type=hashedrekord", "--pki-format=x509", "--artifact-hash", dataSHA, "--signature", sigPath, "--public-key", pubPath) | ||
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| // It should upload successfully. | ||
| out := runCli(t, "upload", "--type=hashedrekord", "--pki-format=x509", "--artifact-hash", dataSHA, "--signature", sigPath, "--public-key", pubPath) | ||
| outputContains(t, out, "Created entry at") | ||
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| // Now we should be able to verify it. | ||
| out = runCli(t, "verify", "--type=hashedrekord", "--pki-format=x509", "--artifact-hash", dataSHA, "--signature", sigPath, "--public-key", pubPath) | ||
| outputContains(t, out, "Inclusion Proof:") | ||
| } | ||
|
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| // Make sure we can add an intoto entry | ||
| func TestHarnessAddIntoto(t *testing.T) { | ||
| td := t.TempDir() | ||
| attestationPath := filepath.Join(td, "attestation.json") | ||
| pubKeyPath := filepath.Join(td, "pub.pem") | ||
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| // Get some random data so it's unique each run | ||
| d := randomData(t, 10) | ||
| id := base64.StdEncoding.EncodeToString(d) | ||
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| it := in_toto.ProvenanceStatement{ | ||
| StatementHeader: in_toto.StatementHeader{ | ||
| Type: in_toto.StatementInTotoV01, | ||
| PredicateType: slsa.PredicateSLSAProvenance, | ||
| Subject: []in_toto.Subject{ | ||
| { | ||
| Name: "foobar", | ||
| Digest: slsa.DigestSet{ | ||
| "foo": "bar", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| Predicate: slsa.ProvenancePredicate{ | ||
| Builder: slsa.ProvenanceBuilder{ | ||
| ID: "foo" + id, | ||
| }, | ||
| }, | ||
| } | ||
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| b, err := json.Marshal(it) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
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| pb, _ := pem.Decode([]byte(ecdsaPriv)) | ||
| priv, err := x509.ParsePKCS8PrivateKey(pb.Bytes) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| signer, err := dsse.NewEnvelopeSigner(&IntotoSigner{ | ||
| priv: priv.(*ecdsa.PrivateKey), | ||
| }) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
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| env, err := signer.SignPayload("application/vnd.in-toto+json", b) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
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| eb, err := json.Marshal(env) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
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| write(t, string(eb), attestationPath) | ||
| write(t, ecdsaPub, pubKeyPath) | ||
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| // If we do it twice, it should already exist | ||
| out := runCli(t, "upload", "--artifact", attestationPath, "--type", "intoto", "--public-key", pubKeyPath) | ||
| outputContains(t, out, "Created entry at") | ||
| uuid := getUUIDFromUploadOutput(t, out) | ||
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| out = runCli(t, "get", "--uuid", uuid, "--format=json") | ||
| g := getOut{} | ||
| if err := json.Unmarshal([]byte(out), &g); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| // The attestation should be stored at /var/run/attestations/sha256:digest | ||
|
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| got := in_toto.ProvenanceStatement{} | ||
| if err := json.Unmarshal([]byte(g.Attestation), &got); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| if diff := cmp.Diff(it, got); diff != "" { | ||
| t.Errorf("diff: %s", diff) | ||
| } | ||
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| attHash := sha256.Sum256(b) | ||
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| intotoModel := &models.IntotoV001Schema{} | ||
| if err := types.DecodeEntry(g.Body.(map[string]interface{})["IntotoObj"], intotoModel); err != nil { | ||
| t.Errorf("could not convert body into intoto type: %v", err) | ||
| } | ||
| if intotoModel.Content == nil || intotoModel.Content.PayloadHash == nil { | ||
| t.Errorf("could not find hash over attestation %v", intotoModel) | ||
| } | ||
| recordedPayloadHash, err := hex.DecodeString(*intotoModel.Content.PayloadHash.Value) | ||
| if err != nil { | ||
| t.Errorf("error converting attestation hash to []byte: %v", err) | ||
| } | ||
|
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| if !bytes.Equal(attHash[:], recordedPayloadHash) { | ||
| t.Fatal(fmt.Errorf("attestation hash %v doesnt match the payload we sent %v", hex.EncodeToString(attHash[:]), | ||
| *intotoModel.Content.PayloadHash.Value)) | ||
| } | ||
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| out = runCli(t, "upload", "--artifact", attestationPath, "--type", "intoto", "--public-key", pubKeyPath) | ||
| outputContains(t, out, "Entry already exists") | ||
| } | ||
|
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| // Make sure we can get and verify all entries | ||
| // For attestations, make sure we can see the attestation | ||
| func TestHarnessGetAllEntriesLogIndex(t *testing.T) { | ||
| treeSize := activeTreeSize(t) | ||
| if treeSize == 0 { | ||
| t.Fatal("There are 0 entries in the log, there should be at least 2") | ||
| } | ||
| for i := 0; i < treeSize; i++ { | ||
| out := runCli(t, "get", "--log-index", fmt.Sprintf("%d", i), "--format", "json") | ||
| if !strings.Contains(out, "IntotoObj") { | ||
| continue | ||
| } | ||
| var intotoObj struct { | ||
| Attestation string | ||
| } | ||
| if err := json.Unmarshal([]byte(out), &intotoObj); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| if intotoObj.Attestation == "" { | ||
| t.Log(out) | ||
| t.Fatalf("intotoObj attestation is empty for log index %d", i) | ||
| } | ||
| t.Log("Got IntotoObj type with attestation") | ||
| } | ||
| } | ||
|
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| func activeTreeSize(t *testing.T) int { | ||
| out := runCliStdout(t, "loginfo", "--format", "json", "--store_tree_state", "false") | ||
| t.Log(string(out)) | ||
| var s struct { | ||
| ActiveTreeSize int | ||
| } | ||
| if err := json.Unmarshal([]byte(out), &s); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| return s.ActiveTreeSize | ||
| } |
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