/
bundle_test.go
1856 lines (1658 loc) · 47.3 KB
/
bundle_test.go
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// Copyright 2018 The OPA Authors. All rights reserved.
// Use of this source code is governed by an Apache2
// license that can be found in the LICENSE file.
// nolint: goconst // string duplication is for test readability.
package bundle
import (
"archive/tar"
"bytes"
"compress/gzip"
"encoding/json"
"fmt"
"io"
"path/filepath"
"reflect"
"strings"
"testing"
"github.com/pkg/errors"
"github.com/open-policy-agent/opa/ast"
"github.com/open-policy-agent/opa/internal/file/archive"
)
func TestManifestAddRoot(t *testing.T) {
m := Manifest{Roots: &[]string{}}
m.AddRoot("x/y")
m.AddRoot("y/z")
exp, act := stringSet{"x/y": struct{}{}, "y/z": struct{}{}}, m.rootSet()
if !act.Equal(exp) {
t.Fatalf("expected roots to be %v, got %v", exp, act)
}
}
func TestManifestEqual(t *testing.T) {
var m Manifest
var n Manifest
assertEqual := func() {
t.Helper()
if !m.Equal(n) {
t.Fatal("expected manifests to be equal")
}
}
assertNotEqual := func() {
t.Helper()
if m.Equal(n) {
t.Fatal("expected manifests to be different")
}
}
assertEqual()
n.Revision = "xxx"
assertNotEqual()
m.Revision = "xxx"
assertEqual()
n.WasmResolvers = append(n.WasmResolvers, WasmResolver{})
assertNotEqual()
m.WasmResolvers = append(m.WasmResolvers, WasmResolver{})
assertEqual()
n.WasmResolvers[0].Module = "yyy"
assertNotEqual()
m.WasmResolvers[0].Module = "yyy"
assertEqual()
n.Metadata = map[string]interface{}{
"foo": "bar",
}
assertNotEqual()
m.Metadata = map[string]interface{}{
"foo": "bar",
}
assertEqual()
}
func TestRead(t *testing.T) {
testReadBundle(t, "")
}
func TestReadWithBaseDir(t *testing.T) {
testReadBundle(t, "/foo/bar")
}
func TestReadWithSizeLimit(t *testing.T) {
buf := archive.MustWriteTarGz([][2]string{
{"data.json", `"foo"`},
})
loader := NewTarballLoaderWithBaseURL(buf, "")
br := NewCustomReader(loader).WithSizeLimitBytes(4)
_, err := br.Read()
if err == nil || err.Error() != "bundle file 'data.json' exceeded max size (4 bytes)" {
t.Fatal("expected error but got:", err)
}
buf = archive.MustWriteTarGz([][2]string{
{".signatures.json", `"foo"`},
})
loader = NewTarballLoaderWithBaseURL(buf, "")
br = NewCustomReader(loader).WithSizeLimitBytes(4)
_, err = br.Read()
if err == nil || err.Error() != "bundle file '.signatures.json' exceeded max size (4 bytes)" {
t.Fatal("expected error but got:", err)
}
}
func TestReadBundleInLazyMode(t *testing.T) {
files := [][2]string{
{"/a/b/c/data.json", "[1,2,3]"},
{"/a/b/d/data.json", "true"},
{"/a/b/y/data.yaml", `foo: 1`},
{"/example/example.rego", `package example`},
{"/data.json", `{"x": {"y": true}, "a": {"b": {"z": true}}}}`},
{"/.manifest", `{"revision": "foo", "roots": ["example"]}`}, // data is outside roots but validation skipped in lazy mode
}
buf := archive.MustWriteTarGz(files)
loader := NewTarballLoaderWithBaseURL(buf, "")
br := NewCustomReader(loader).WithLazyLoadingMode(true)
bundle, err := br.Read()
if err != nil {
t.Fatal(err)
}
if len(bundle.Data) != 0 {
t.Fatal("expected the bundle object to contain no data")
}
if len(bundle.Raw) == 0 {
t.Fatal("raw bundle bytes not set on bundle object")
}
}
func TestReadWithBundleEtag(t *testing.T) {
files := [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux"}`},
}
buf := archive.MustWriteTarGz(files)
bundle, err := NewReader(buf).WithBundleEtag("foo").Read()
if err != nil {
t.Fatal(err)
}
if bundle.Etag != "foo" {
t.Fatalf("Expected bundle etag foo but got %v\n", bundle.Etag)
}
}
func testReadBundle(t *testing.T, baseDir string) {
module := `package example`
modulePath := "/example/example.rego"
if baseDir != "" {
modulePath = filepath.Join(baseDir, modulePath)
}
legacyWasmModulePath := "/policy.wasm"
if baseDir != "" {
legacyWasmModulePath = filepath.Join(baseDir, legacyWasmModulePath)
}
wasmResolverPath := "/authz/allow/policy.wasm"
fullWasmResolverPath := wasmResolverPath
if baseDir != "" {
fullWasmResolverPath = filepath.Join(baseDir, wasmResolverPath)
}
files := [][2]string{
{"/a/b/c/data.json", "[1,2,3]"},
{"/a/b/d/data.json", "true"},
{"/a/b/y/data.yaml", `foo: 1`},
{"/example/example.rego", `package example`},
{"/policy.wasm", `legacy-wasm-module`},
{wasmResolverPath, `wasm-module`},
{"/data.json", `{"x": {"y": true}, "a": {"b": {"z": true}}}}`},
{"/.manifest", fmt.Sprintf(`{"wasm":[{"entrypoint": "authz/allow", "module": "%s"}]}`, fullWasmResolverPath)},
}
buf := archive.MustWriteTarGz(files)
loader := NewTarballLoaderWithBaseURL(buf, baseDir)
br := NewCustomReader(loader).WithBaseDir(baseDir)
bundle, err := br.Read()
if err != nil {
t.Fatal(err)
}
expManifest := Manifest{}
expManifest.Init()
expManifest.WasmResolvers = []WasmResolver{
{
Entrypoint: "authz/allow",
Module: fullWasmResolverPath,
},
}
exp := Bundle{
Manifest: expManifest,
Data: map[string]interface{}{
"a": map[string]interface{}{
"b": map[string]interface{}{
"c": []interface{}{json.Number("1"), json.Number("2"), json.Number("3")},
"d": true,
"y": map[string]interface{}{
"foo": json.Number("1"),
},
"z": true,
},
},
"x": map[string]interface{}{
"y": true,
},
},
Modules: []ModuleFile{
{
URL: modulePath,
Path: modulePath,
Parsed: ast.MustParseModule(module),
Raw: []byte(module),
},
},
WasmModules: []WasmModuleFile{
{
URL: legacyWasmModulePath,
Path: legacyWasmModulePath,
Raw: []byte(`legacy-wasm-module`),
},
{
URL: fullWasmResolverPath,
Path: fullWasmResolverPath,
Raw: []byte("wasm-module"),
Entrypoints: []ast.Ref{ast.MustParseRef("data.authz.allow")},
},
},
}
if !exp.Equal(bundle) {
t.Fatalf("\nExp: %+v\nGot: %+v", exp, bundle)
}
}
func TestReadWithManifest(t *testing.T) {
files := [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux"}`},
}
buf := archive.MustWriteTarGz(files)
bundle, err := NewReader(buf).Read()
if err != nil {
t.Fatal(err)
}
if bundle.Manifest.Revision != "quickbrownfaux" {
t.Fatalf("Unexpected manifest.revision value: %v", bundle.Manifest.Revision)
}
}
func TestManifestMetadata(t *testing.T) {
files := [][2]string{
{"/.manifest", `{
"metadata": {
"foo": {
"version": "1.0.0"
}
}
}`},
}
buf := archive.MustWriteTarGz(files)
bundle, err := NewReader(buf).Read()
if err != nil {
t.Fatal(err)
}
if bundle.Manifest.Metadata["foo"] == nil {
t.Fatal("Unexpected nil metadata key")
}
data, ok := bundle.Manifest.Metadata["foo"].(map[string]interface{})
if !ok {
t.Fatal("Unexpected structure in metadata")
}
if data["version"] != "1.0.0" {
t.Fatalf("Unexpected metadata value: %v", data["version"])
}
}
func TestReadWithManifestInData(t *testing.T) {
files := [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux"}`},
}
buf := archive.MustWriteTarGz(files)
bundle, err := NewReader(buf).IncludeManifestInData(true).Read()
if err != nil {
t.Fatal(err)
}
system := bundle.Data["system"].(map[string]interface{})
b := system["bundle"].(map[string]interface{})
m := b["manifest"].(map[string]interface{})
if m["revision"] != "quickbrownfaux" {
t.Fatalf("Unexpected manifest.revision value: %v. Expected: %v", m["revision"], "quickbrownfaux")
}
}
func TestReadWithSignaturesSkipVerify(t *testing.T) {
signedBadTokenHS256 := `eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.sQTuw9tBp6DvvQG-MXSxTzJA3hSnKYxjX5fnxiR22JA`
files := [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux"}`},
{"/.signatures.json", fmt.Sprintf(`{"signatures": ["%v"]}`, signedBadTokenHS256)},
{"/a/b/c/data.json", "[1,2,3]"},
{"/http/policy/policy.rego", `package example`},
}
vc := NewVerificationConfig(map[string]*KeyConfig{"foo": {Key: "secret", Algorithm: "HS256"}}, "", "write", nil)
buf := archive.MustWriteTarGz(files)
loader := NewTarballLoaderWithBaseURL(buf, "/foo/bar")
reader := NewCustomReader(loader).WithBaseDir("/foo/bar").WithBundleVerificationConfig(vc).WithSkipBundleVerification(true)
_, err := reader.Read()
if err != nil {
t.Fatalf("Unexpected error %v", err)
}
}
func TestReadWithSignatures(t *testing.T) {
signedTokenHS256 := `eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImZvbyJ9.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.grzWHYvyVS6LfWy0oiFTEJThKooOAwic8sexYaflzOM`
otherSignedTokenHS256 := `eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImZvbyJ9.eyJmaWxlcyI6W3sibmFtZSI6ImEvYi9jL2RhdGEuanNvbiIsImhhc2giOiJmOWNhYzA3MTQ3MDVkMjBkMWEyMDg4MDE4NWNkZWQ2ZTBmNmQwNDA2NjJkMmViYjA5NjFkM2Q5ZjMxN2Q4YWNiIn1dLCJpYXQiOjE1OTIyNDgwMjcsImlzcyI6IkpXVFNlcnZpY2UiLCJzY29wZSI6IndyaXRlIn0.WJhnUjwaVvckSgOd4QcVvKThN6oc99NiPiwHKYnoG7c`
defaultSigner, _ := GetSigner(defaultSignerID)
defaultVerifier, _ := GetVerifier(defaultVerifierID)
if err := RegisterSigner("_bar", defaultSigner); err != nil {
t.Fatal(err)
}
if err := RegisterVerifier("_bar", defaultVerifier); err != nil {
t.Fatal(err)
}
tests := map[string]struct {
files [][2]string
vc *VerificationConfig
wantErr bool
err error
}{
"no_signature_verification_config": {
[][2]string{{"/.signatures.json", `{"signatures": []}`}},
nil,
true, fmt.Errorf("verification key not provided"),
},
"no_signatures_file_no_keyid": {
[][2]string{{"/.manifest", `{"revision": "quickbrownfaux"}`}},
NewVerificationConfig(map[string]*KeyConfig{}, "", "", nil),
false, nil,
},
"no_signatures_file": {
[][2]string{{"/.manifest", `{"revision": "quickbrownfaux"}`}},
NewVerificationConfig(map[string]*KeyConfig{}, "somekey", "", nil),
true, fmt.Errorf("bundle missing .signatures.json file"),
},
"no_signatures": {
[][2]string{{"/.signatures.json", `{"signatures": []}`}},
NewVerificationConfig(map[string]*KeyConfig{}, "", "", nil),
true, fmt.Errorf(".signatures.json: missing JWT (expected exactly one)"),
},
"digest_mismatch": {
[][2]string{
{"/.signatures.json", fmt.Sprintf(`{"signatures": ["%v"]}`, signedTokenHS256)},
{"/a/b/c/data.json", "[1,2,3]"},
{"/.manifest", `{"revision": "quickbrownfaux"}`},
},
NewVerificationConfig(map[string]*KeyConfig{"foo": {Key: "secret", Algorithm: "HS256"}}, "", "write", nil),
true, fmt.Errorf("a/b/c/data.json: digest mismatch (want: 42cfe6768b57bb5f7503c165c28dd07ac5b813554ebc850f2cc35843e7137b1d, got: a615eeaee21de5179de080de8c3052c8da901138406ba71c38c032845f7d54f4)"),
},
"no_hashing_alg": {
[][2]string{
{"/.signatures.json", fmt.Sprintf(`{"signatures": ["%v"]}`, otherSignedTokenHS256)},
{"/a/b/c/data.json", "[1,2,3]"},
},
NewVerificationConfig(map[string]*KeyConfig{"foo": {Key: "secret", Algorithm: "HS256"}}, "", "write", nil),
true, fmt.Errorf("no hashing algorithm provided for file a/b/c/data.json"),
},
"exclude_files": {
[][2]string{
{"/.signatures.json", fmt.Sprintf(`{"signatures": ["%v"]}`, signedTokenHS256)},
{"/.manifest", `{"revision": "quickbrownfaux"}`},
{"/a/b/c/data.json", "[1,2,3]"},
{"/http/policy/policy.rego", `package example`},
},
NewVerificationConfig(map[string]*KeyConfig{"foo": {Key: "secret", Algorithm: "HS256"}}, "", "write", []string{".*", "a/b/c/data.json", "http/policy/policy.rego"}),
false, nil,
},
"customer_signer_verifier": {
[][2]string{
{"/.signatures.json", fmt.Sprintf(`{"signatures": ["%v"],"plugin":"_bar"}`, signedTokenHS256)},
{"/.manifest", `{"revision": "quickbrownfaux"}`},
{"/a/b/c/data.json", "[1,2,3]"},
{"/http/policy/policy.rego", `package example`},
},
NewVerificationConfig(map[string]*KeyConfig{"foo": {Key: "secret", Algorithm: "HS256"}}, "", "write", []string{".*", "a/b/c/data.json", "http/policy/policy.rego"}),
false, nil,
},
}
for name, tc := range tests {
t.Run(name, func(t *testing.T) {
buf := archive.MustWriteTarGz(tc.files)
reader := NewReader(buf).WithBundleVerificationConfig(tc.vc)
_, err := reader.Read()
if tc.wantErr {
if err == nil {
t.Fatal("Expected error but got nil")
}
if tc.err != nil && tc.err.Error() != err.Error() {
t.Fatalf("Expected error message %v but got %v", tc.err.Error(), err.Error())
}
} else {
if err != nil {
t.Fatalf("Unexpected error %v", err)
}
}
})
}
}
func TestReadWithSignaturesWithBaseDir(t *testing.T) {
signedTokenHS256 := `eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImZvbyJ9.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.qTHkuBDVuT-Zl5pbJdZ6LoJ9eooFOhhpRdCheauDrlA`
files := [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux"}`},
{"/.signatures.json", fmt.Sprintf(`{"signatures": ["%v"]}`, signedTokenHS256)},
{"/a/b/c/data.json", "[1,2,3]"},
{"/http/policy/policy.rego", `package example`},
}
vc := NewVerificationConfig(map[string]*KeyConfig{"foo": {Key: "secret", Algorithm: "HS256"}}, "", "write", nil)
buf := archive.MustWriteTarGz(files)
loader := NewTarballLoaderWithBaseURL(buf, "/foo/bar")
reader := NewCustomReader(loader).WithBaseDir("/foo/bar").WithBundleVerificationConfig(vc)
_, err := reader.Read()
if err != nil {
t.Fatalf("Unexpected error %v", err)
}
}
func TestReadWithPatch(t *testing.T) {
files := [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux", "roots": ["a"]}`},
{"/patch.json", `{"data": [{"op": "add", "path": "/a/b/d", "value": "foo"}, {"op": "remove", "path": "a/b/c"}]}`},
}
buf := archive.MustWriteTarGz(files)
loader := NewTarballLoaderWithBaseURL(buf, "/foo/bar")
reader := NewCustomReader(loader).WithBaseDir("/foo/bar")
b, err := reader.Read()
if err != nil {
t.Fatalf("Unexpected error %v", err)
}
actual := b.Type()
if actual != DeltaBundleType {
t.Fatalf("Expected delta bundle but got %v", actual)
}
if len(b.Patch.Data) != 2 {
t.Fatalf("Expected two patch operations but got %v", len(b.Patch.Data))
}
p1 := PatchOperation{
Op: "add",
Path: "/a/b/d",
Value: "foo",
}
p2 := PatchOperation{
Op: "remove",
Path: "a/b/c",
}
expected := Patch{Data: []PatchOperation{p1, p2}}
if !reflect.DeepEqual(b.Patch.Data, expected.Data) {
t.Fatalf("Expected patch %v but got %v", expected.Data, b.Patch.Data)
}
}
func TestReadWithPatchExtraFiles(t *testing.T) {
cases := []struct {
note string
files [][2]string
err string
}{
{
note: "extra data file",
files: [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux", "roots": ["a"]}`},
{"/patch.json", `{"data": [{"op": "add", "path": "/a/b/d", "value": "foo"}, {"op": "remove", "path": "a/b/c"}]}`},
{"/a/b/c/data.json", "[1,2,3]"},
},
err: "delta bundle expected to contain only patch file but data files found",
},
{
note: "extra policy file",
files: [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux", "roots": ["a"]}`},
{"/patch.json", `{"data": [{"op": "add", "path": "/a/b/d", "value": "foo"}, {"op": "remove", "path": "a/b/c"}]}`},
{"/http/policy/policy.rego", `package example`},
},
err: "delta bundle expected to contain only patch file but policy files found",
},
{
note: "extra wasm file",
files: [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux", "roots": ["a"]}`},
{"/patch.json", `{"data": [{"op": "add", "path": "/a/b/d", "value": "foo"}, {"op": "remove", "path": "a/b/c"}]}`},
{"/policy.wasm", `modules-compiled-as-wasm-binary`},
},
err: "delta bundle expected to contain only patch file but wasm files found",
},
}
for _, tc := range cases {
t.Run(tc.note, func(t *testing.T) {
buf := archive.MustWriteTarGz(tc.files)
loader := NewTarballLoaderWithBaseURL(buf, "/foo/bar")
reader := NewCustomReader(loader).WithBaseDir("/foo/bar")
_, err := reader.Read()
if tc.err == "" && err != nil {
t.Fatal("Unexpected error occurred:", err)
} else if tc.err != "" && err == nil {
t.Fatal("Expected error but got success")
} else if tc.err != "" && err != nil {
if tc.err != err.Error() {
t.Fatalf("Expected error to contain %q but got: %v", tc.err, err)
}
}
})
}
}
func TestReadWithSignaturesExtraFiles(t *testing.T) {
signedTokenHS256 := `eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImZvbyJ9.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.Vmm9UDiInUnXXlk-OOjiCy3rR7EVvXS-OFst1rbh3Zo`
files := [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux"}`},
{"/.signatures.json", fmt.Sprintf(`{"signatures": ["%v"]}`, signedTokenHS256)},
}
vc := NewVerificationConfig(map[string]*KeyConfig{"foo": {Key: "secret", Algorithm: "HS256"}}, "", "write", nil)
buf := archive.MustWriteTarGz(files)
reader := NewReader(buf).WithBundleVerificationConfig(vc)
_, err := reader.Read()
if err == nil {
t.Fatal("Expected error but got nil")
}
expected := []string{
"file(s) [a/b/c/data.json http/policy/policy.rego] specified in bundle signatures but not found in the target bundle",
"file(s) [http/policy/policy.rego a/b/c/data.json] specified in bundle signatures but not found in the target bundle",
}
var found bool
if err.Error() == expected[0] || err.Error() == expected[1] {
found = true
}
if !found {
t.Fatalf("Expected error message to be one of %v but got %v", expected, err.Error())
}
}
func TestVerifyBundleFileHash(t *testing.T) {
// add files to the bundle and reader
// compare the hash the for target files
files := [][2]string{
{"/.manifest", `{"revision": "quickbrownfaux"}`},
{"/a/b/c/data.json", "[1,2,3]"},
{"/a/b/d/data.json", "true"},
{"/a/b/y/data.yaml", `foo: 1`},
{"/example/example.rego", `package example`},
{"/policy.wasm", `modules-compiled-as-wasm-binary`},
{"/data.json", `{"x": {"y": true}, "a": {"b": {"z": true}}}}`},
}
buf := archive.MustWriteTarGz(files)
reader := NewReader(buf)
reader.files = map[string]FileInfo{}
expDigests := make([]string, len(files))
expDigests[0] = "a005c38a509dc2d5a7407b9494efb2ad"
expDigests[1] = "60f7b5dc86ded48785436192a08dbfd04894d7f1b417c4f8d3714679a7f78cb3c833f16a8559a1cf1f32968747dc1d95ef34826263dacf125ded8f5c374be4c0"
expDigests[2] = "b326b5062b2f0e69046810717534cb09"
expDigests[3] = "20f27a640a233e6524fe7d138898583cd43475724806feb26be7f214e1d10b29edf6a0d3cb08f82107a45686b61b8fdabab6406cf4e70efe134f42238dbd70ab"
expDigests[4] = "ceecc199d432a4eeae305914ea4816cb"
expDigests[5] = "4f73765168fd8b5c294b739436da312cc5e979faf09f67bf576d36ea79a4f79c70cbb3c33d06ff65f531a9f42abd0a8f4daacc554cb521837e876dc28f56ce89"
expDigests[6] = "36669864a622563256817033b1fc53db"
// populate the files on the reader
// this simulates the files seen by the reader after
// decoding the signatures in the "signatures.json" file
for i, f := range files {
file := FileInfo{
Name: f[0],
Hash: expDigests[i],
}
if i%2 == 0 {
file.Algorithm = MD5.String()
} else {
file.Algorithm = SHA512.String()
}
reader.files[f[0]] = file
}
for _, f := range files {
buf := bytes.NewBufferString(f[1])
err := reader.verifyBundleFile(f[0], *buf)
if err != nil {
t.Fatal(err)
}
}
// check there are no files left on the reader
if len(reader.files) != 0 {
t.Fatalf("Expected no files on the reader but got %v", len(reader.files))
}
}
func TestIsFileExcluded(t *testing.T) {
cases := []struct {
note string
file string
pattern []string
exp bool
}{
{
note: "exact",
file: "data.json",
pattern: []string{"data.json"},
exp: true,
},
{
note: "hidden",
file: ".manifest",
pattern: []string{".*"},
exp: true,
},
{
note: "no_match",
file: "data.json",
pattern: []string{".*"},
exp: false,
},
{
note: "dir_match",
file: "/a/b/data.json",
pattern: []string{"/a/b/*"},
exp: true,
},
{
note: "dir_no_match",
file: "/a/b/c/data.json",
pattern: []string{"/a/b/*"},
exp: false,
},
}
for _, tc := range cases {
t.Run(tc.note, func(t *testing.T) {
buf := archive.MustWriteTarGz([][2]string{})
vc := NewVerificationConfig(map[string]*KeyConfig{}, "", "", tc.pattern)
reader := NewReader(buf).WithBundleVerificationConfig(vc)
actual := reader.isFileExcluded(tc.file)
if actual != tc.exp {
t.Fatalf("Expected file exclude result for %v %v but got %v", tc.file, tc.exp, actual)
}
})
}
}
func TestReadRootValidation(t *testing.T) {
cases := []struct {
note string
files [][2]string
err string
}{
{
note: "default full extent",
files: [][2]string{
{"/.manifest", `{"revision": "abcd"}`},
{"/data.json", `{"a": 1}`},
{"/x.rego", `package foo`},
},
err: "",
},
{
note: "explicit full extent",
files: [][2]string{
{"/.manifest", `{"revision": "abcd", "roots": [""]}`},
{"/data.json", `{"a": 1}`},
{"/x.rego", `package foo`},
},
err: "",
},
{
note: "implicit prefixed",
files: [][2]string{
{"/.manifest", `{"revision": "abcd", "roots": ["a/b", "foo"]}`},
{"/data.json", `{"a": {"b": 1}}`},
{"/x.rego", `package foo.bar`},
},
err: "",
},
{
note: "err empty",
files: [][2]string{
{"/.manifest", `{"revision": "abcd", "roots": []}`},
{"/x.rego", `package foo`},
},
err: "manifest roots [] do not permit 'package foo' in module '/x.rego'",
},
{
note: "err overlapped",
files: [][2]string{
{"/.manifest", `{"revision": "abcd", "roots": ["a/b", "a"]}`},
},
err: "manifest has overlapped roots: 'a/b' and 'a'",
},
{
note: "edge overlapped partial segment",
files: [][2]string{
{"/.manifest", `{"revision": "abcd", "roots": ["a", "another_root"]}`},
},
err: "",
},
{
note: "err package outside scope",
files: [][2]string{
{"/.manifest", `{"revision": "abcd", "roots": ["a", "b", "c/d"]}`},
{"/a.rego", `package b.c`},
{"/x.rego", `package c.e`},
},
err: "manifest roots [a b c/d] do not permit 'package c.e' in module '/x.rego'",
},
{
note: "err data outside scope",
files: [][2]string{
{"/.manifest", `{"revision": "abcd", "roots": ["a", "b", "c/d"]}`},
{"/data.json", `{"a": 1}`},
{"/c/e/data.json", `"bad bad bad"`},
},
err: "manifest roots [a b c/d] do not permit data at path '/c/e'",
},
{
note: "err data patch outside scope",
files: [][2]string{
{"/.manifest", `{"revision": "abcd", "roots": ["a", "b", "c/d"]}`},
{"/patch.json", `{"data": [{"op": "add", "path": "/a/b/d", "value": "foo"}, {"op": "remove", "path": "/c/e"}]}`},
},
err: "manifest roots [a b c/d] do not permit data patch at path 'c/e'",
},
}
for _, tc := range cases {
t.Run(tc.note, func(t *testing.T) {
buf := archive.MustWriteTarGz(tc.files)
_, err := NewReader(buf).IncludeManifestInData(true).Read()
if tc.err == "" && err != nil {
t.Fatal("Unexpected error occurred:", err)
} else if tc.err != "" && err == nil {
t.Fatal("Expected error but got success")
} else if tc.err != "" && err != nil {
if !strings.Contains(err.Error(), tc.err) {
t.Fatalf("Expected error to contain %q but got: %v", tc.err, err)
}
}
})
}
}
func TestRootPathsContain(t *testing.T) {
tests := []struct {
note string
roots []string
path string
want bool
}{
{
note: "empty contains empty",
roots: []string{""},
path: "",
want: true,
},
{
note: "empty contains non-empty",
roots: []string{""},
path: "foo/bar",
want: true,
},
{
note: "single prefix",
roots: []string{"foo"},
path: "foo/bar",
want: true,
},
{
note: "single prefix no match",
roots: []string{"bar"},
path: "foo/bar",
want: false,
},
{
note: "multiple prefix",
roots: []string{"baz", "foo"},
path: "foo/bar",
want: true,
},
{
note: "multiple prefix no match",
roots: []string{"baz", "qux"},
path: "foo/bar",
want: false,
},
{
note: "single exact",
roots: []string{"foo/bar"},
path: "foo/bar",
want: true,
},
{
note: "single exact no match",
roots: []string{"foo/ba"},
path: "foo/bar",
want: false,
},
{
note: "multiple exact",
roots: []string{"baz/bar", "foo/bar"},
path: "foo/bar",
want: true,
},
{
note: "root too long",
roots: []string{"foo/bar/"},
path: "foo/bar",
want: false,
},
}
for _, tc := range tests {
t.Run(tc.note, func(t *testing.T) {
if RootPathsContain(tc.roots, tc.path) != tc.want {
t.Fatalf("expected %v contains %v to be %v", tc.roots, tc.path, tc.want)
}
})
}
}
func TestReadErrorBadGzip(t *testing.T) {
buf := bytes.NewBufferString("bad gzip bytes")
_, err := NewReader(buf).Read()
if err == nil {
t.Fatal("expected error")
}
}
func TestReadErrorBadTar(t *testing.T) {
var buf bytes.Buffer
gw := gzip.NewWriter(&buf)
_, _ = gw.Write([]byte("bad tar bytes"))
_ = gw.Close()
_, err := NewReader(&buf).Read()
if err == nil {
t.Fatal("expected error")
}
}
func TestReadErrorBadContents(t *testing.T) {
tests := []struct {
files [][2]string
}{
{[][2]string{{"/test.rego", "lkafjasdkljf"}}},
{[][2]string{{"/data.json", "lskjafkljsdf"}}},
{[][2]string{{"/data.json", "[1,2,3]"}}},
{[][2]string{
{"/a/b/data.json", "[1,2,3]"},
{"a/b/c/data.json", "true"},
}},
{[][2]string{{"/test.rego", ""}}},
{[][2]string{
{"/a/b/data.json", `{"c": "foo"}`},
{"/data.json", `{"a": {"b": {"c": [123]}}}`},
}},
}
for _, test := range tests {
buf := archive.MustWriteTarGz(test.files)
_, err := NewReader(buf).Read()
if err == nil {
t.Fatal("expected error")
}
}
}
func TestRoundtripDeprecatedWrite(t *testing.T) {
bundle := Bundle{
Data: map[string]interface{}{
"foo": map[string]interface{}{
"bar": []interface{}{json.Number("1"), json.Number("2"), json.Number("3")},
"baz": true,
"qux": "hello",
},
},
Modules: []ModuleFile{
{
URL: "/foo/corge/corge.rego",
Path: "/foo/corge/corge.rego",
Parsed: ast.MustParseModule(`package foo.corge`),
Raw: []byte(`package foo.corge`),
},
},
WasmModules: []WasmModuleFile{
{
Path: "/policy.wasm",
URL: "/policy.wasm",
Raw: []byte("modules-compiled-as-wasm-binary"),
},
},
Manifest: Manifest{
Revision: "quickbrownfaux",
},
}
var buf bytes.Buffer
if err := Write(&buf, bundle); err != nil {
t.Fatal("Unexpected error:", err)
}
bundle2, err := NewReader(&buf).Read()
if err != nil {
t.Fatal("Unexpected error:", err)
}
if !bundle2.Equal(bundle) {
t.Fatalf("\nExp: %+v\nGot: %+v", bundle, bundle2)
}
}
func TestRoundtrip(t *testing.T) {
bundle := Bundle{
Data: map[string]interface{}{
"foo": map[string]interface{}{
"bar": []interface{}{json.Number("1"), json.Number("2"), json.Number("3")},
"baz": true,
"qux": "hello",
},
},
Modules: []ModuleFile{
{
URL: "/foo/corge/corge.rego",
Path: "/foo/corge/corge.rego",
Parsed: ast.MustParseModule(`package foo.corge`),
Raw: []byte("package foo.corge\n"),
},
},
WasmModules: []WasmModuleFile{
{
Path: "/policy.wasm",
URL: "/policy.wasm",
Raw: []byte("modules-compiled-as-wasm-binary"),
},