// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/ethereum/go-ethereum/swarm/api"
swarm "github.com/ethereum/go-ethereum/swarm/api/client"
)
// TestManifestChange tests manifest add, update and remove
// cli commands without encryption.
func TestManifestChange(t *testing.T) {
testManifestChange(t, false)
}
// TestManifestChange tests manifest add, update and remove
// cli commands with encryption enabled.
func TestManifestChangeEncrypted(t *testing.T) {
testManifestChange(t, true)
}
// testManifestChange performs cli commands:
// - manifest add
// - manifest update
// - manifest remove
// on a manifest, testing the functionality of this
// comands on paths that are in root manifest or a nested one.
// Argument encrypt controls whether to use encryption or not.
func testManifestChange(t *testing.T, encrypt bool) {
t.Parallel()
cluster := newTestCluster(t, 1)
defer cluster.Shutdown()
tmp, err := ioutil.TempDir("", "swarm-manifest-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
origDir := filepath.Join(tmp, "orig")
if err := os.Mkdir(origDir, 0777); err != nil {
t.Fatal(err)
}
indexDataFilename := filepath.Join(origDir, "index.html")
err = ioutil.WriteFile(indexDataFilename, []byte("<h1>Test</h1>"), 0666)
if err != nil {
t.Fatal(err)
}
// Files paths robots.txt and robots.html share the same prefix "robots."
// which will result a manifest with a nested manifest under path "robots.".
// This will allow testing manifest changes on both root and nested manifest.
err = ioutil.WriteFile(filepath.Join(origDir, "robots.txt"), []byte("Disallow: /"), 0666)
if err != nil {
t.Fatal(err)
}
err = ioutil.WriteFile(filepath.Join(origDir, "robots.html"), []byte("<strong>No Robots Allowed</strong>"), 0666)
if err != nil {
t.Fatal(err)
}
err = ioutil.WriteFile(filepath.Join(origDir, "mutants.txt"), []byte("Frank\nMarcus"), 0666)
if err != nil {
t.Fatal(err)
}
args := []string{
"--bzzapi",
cluster.Nodes[0].URL,
"--recursive",
"--defaultpath",
indexDataFilename,
"up",
origDir,
}
if encrypt {
args = append(args, "--encrypt")
}
origManifestHash := runSwarmExpectHash(t, args...)
checkHashLength(t, origManifestHash, encrypt)
client := swarm.NewClient(cluster.Nodes[0].URL)
// upload a new file and use its manifest to add it the original manifest.
t.Run("add", func(t *testing.T) {
humansData := []byte("Ann\nBob")
humansDataFilename := filepath.Join(tmp, "humans.txt")
err = ioutil.WriteFile(humansDataFilename, humansData, 0666)
if err != nil {
t.Fatal(err)
}
humansManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"up",
humansDataFilename,
)
newManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"manifest",
"add",
origManifestHash,
"humans.txt",
humansManifestHash,
)
checkHashLength(t, newManifestHash, encrypt)
newManifest := downloadManifest(t, client, newManifestHash, encrypt)
var found bool
for _, e := range newManifest.Entries {
if e.Path == "humans.txt" {
found = true
if e.Size != int64(len(humansData)) {
t.Errorf("expected humans.txt size %v, got %v", len(humansData), e.Size)
}
if e.ModTime.IsZero() {
t.Errorf("got zero mod time for humans.txt")
}
ct := "text/plain; charset=utf-8"
if e.ContentType != ct {
t.Errorf("expected content type %q, got %q", ct, e.ContentType)
}
break
}
}
if !found {
t.Fatal("no humans.txt in new manifest")
}
checkFile(t, client, newManifestHash, "humans.txt", humansData)
})
// upload a new file and use its manifest to add it the original manifest,
// but ensure that the file will be in the nested manifest of the original one.
t.Run("add nested", func(t *testing.T) {
robotsData := []byte(`{"disallow": "/"}`)
robotsDataFilename := filepath.Join(tmp, "robots.json")
err = ioutil.WriteFile(robotsDataFilename, robotsData, 0666)
if err != nil {
t.Fatal(err)
}
robotsManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"up",
robotsDataFilename,
)
newManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"manifest",
"add",
origManifestHash,
"robots.json",
robotsManifestHash,
)
checkHashLength(t, newManifestHash, encrypt)
newManifest := downloadManifest(t, client, newManifestHash, encrypt)
var found bool
loop:
for _, e := range newManifest.Entries {
if e.Path == "robots." {
nestedManifest := downloadManifest(t, client, e.Hash, encrypt)
for _, e := range nestedManifest.Entries {
if e.Path == "json" {
found = true
if e.Size != int64(len(robotsData)) {
t.Errorf("expected robots.json size %v, got %v", len(robotsData), e.Size)
}
if e.ModTime.IsZero() {
t.Errorf("got zero mod time for robots.json")
}
ct := "application/json"
if e.ContentType != ct {
t.Errorf("expected content type %q, got %q", ct, e.ContentType)
}
break loop
}
}
}
}
if !found {
t.Fatal("no robots.json in new manifest")
}
checkFile(t, client, newManifestHash, "robots.json", robotsData)
})
// upload a new file and use its manifest to change the file it the original manifest.
t.Run("update", func(t *testing.T) {
indexData := []byte("<h1>Ethereum Swarm</h1>")
indexDataFilename := filepath.Join(tmp, "index.html")
err = ioutil.WriteFile(indexDataFilename, indexData, 0666)
if err != nil {
t.Fatal(err)
}
indexManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"up",
indexDataFilename,
)
newManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"manifest",
"update",
origManifestHash,
"index.html",
indexManifestHash,
)
checkHashLength(t, newManifestHash, encrypt)
newManifest := downloadManifest(t, client, newManifestHash, encrypt)
var found bool
for _, e := range newManifest.Entries {
if e.Path == "index.html" {
found = true
if e.Size != int64(len(indexData)) {
t.Errorf("expected index.html size %v, got %v", len(indexData), e.Size)
}
if e.ModTime.IsZero() {
t.Errorf("got zero mod time for index.html")
}
ct := "text/html; charset=utf-8"
if e.ContentType != ct {
t.Errorf("expected content type %q, got %q", ct, e.ContentType)
}
break
}
}
if !found {
t.Fatal("no index.html in new manifest")
}
checkFile(t, client, newManifestHash, "index.html", indexData)
// check default entry change
checkFile(t, client, newManifestHash, "", indexData)
})
// upload a new file and use its manifest to change the file it the original manifest,
// but ensure that the file is in the nested manifest of the original one.
t.Run("update nested", func(t *testing.T) {
robotsData := []byte(`<string>Only humans allowed!!!</strong>`)
robotsDataFilename := filepath.Join(tmp, "robots.html")
err = ioutil.WriteFile(robotsDataFilename, robotsData, 0666)
if err != nil {
t.Fatal(err)
}
humansManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"up",
robotsDataFilename,
)
newManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"manifest",
"update",
origManifestHash,
"robots.html",
humansManifestHash,
)
checkHashLength(t, newManifestHash, encrypt)
newManifest := downloadManifest(t, client, newManifestHash, encrypt)
var found bool
loop:
for _, e := range newManifest.Entries {
if e.Path == "robots." {
nestedManifest := downloadManifest(t, client, e.Hash, encrypt)
for _, e := range nestedManifest.Entries {
if e.Path == "html" {
found = true
if e.Size != int64(len(robotsData)) {
t.Errorf("expected robots.html size %v, got %v", len(robotsData), e.Size)
}
if e.ModTime.IsZero() {
t.Errorf("got zero mod time for robots.html")
}
ct := "text/html; charset=utf-8"
if e.ContentType != ct {
t.Errorf("expected content type %q, got %q", ct, e.ContentType)
}
break loop
}
}
}
}
if !found {
t.Fatal("no robots.html in new manifest")
}
checkFile(t, client, newManifestHash, "robots.html", robotsData)
})
// remove a file from the manifest.
t.Run("remove", func(t *testing.T) {
newManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"manifest",
"remove",
origManifestHash,
"mutants.txt",
)
checkHashLength(t, newManifestHash, encrypt)
newManifest := downloadManifest(t, client, newManifestHash, encrypt)
var found bool
for _, e := range newManifest.Entries {
if e.Path == "mutants.txt" {
found = true
break
}
}
if found {
t.Fatal("mutants.txt is not removed")
}
})
// remove a file from the manifest, but ensure that the file is in
// the nested manifest of the original one.
t.Run("remove nested", func(t *testing.T) {
newManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"manifest",
"remove",
origManifestHash,
"robots.html",
)
checkHashLength(t, newManifestHash, encrypt)
newManifest := downloadManifest(t, client, newManifestHash, encrypt)
var found bool
loop:
for _, e := range newManifest.Entries {
if e.Path == "robots." {
nestedManifest := downloadManifest(t, client, e.Hash, encrypt)
for _, e := range nestedManifest.Entries {
if e.Path == "html" {
found = true
break loop
}
}
}
}
if found {
t.Fatal("robots.html in not removed")
}
})
}
// TestNestedDefaultEntryUpdate tests if the default entry is updated
// if the file in nested manifest used for it is also updated.
func TestNestedDefaultEntryUpdate(t *testing.T) {
testNestedDefaultEntryUpdate(t, false)
}
// TestNestedDefaultEntryUpdateEncrypted tests if the default entry
// of encrypted upload is updated if the file in nested manifest
// used for it is also updated.
func TestNestedDefaultEntryUpdateEncrypted(t *testing.T) {
testNestedDefaultEntryUpdate(t, true)
}
func testNestedDefaultEntryUpdate(t *testing.T, encrypt bool) {
t.Parallel()
cluster := newTestCluster(t, 1)
defer cluster.Shutdown()
tmp, err := ioutil.TempDir("", "swarm-manifest-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
origDir := filepath.Join(tmp, "orig")
if err := os.Mkdir(origDir, 0777); err != nil {
t.Fatal(err)
}
indexData := []byte("<h1>Test</h1>")
indexDataFilename := filepath.Join(origDir, "index.html")
err = ioutil.WriteFile(indexDataFilename, indexData, 0666)
if err != nil {
t.Fatal(err)
}
// Add another file with common prefix as the default entry to test updates of
// default entry with nested manifests.
err = ioutil.WriteFile(filepath.Join(origDir, "index.txt"), []byte("Test"), 0666)
if err != nil {
t.Fatal(err)
}
args := []string{
"--bzzapi",
cluster.Nodes[0].URL,
"--recursive",
"--defaultpath",
indexDataFilename,
"up",
origDir,
}
if encrypt {
args = append(args, "--encrypt")
}
origManifestHash := runSwarmExpectHash(t, args...)
checkHashLength(t, origManifestHash, encrypt)
client := swarm.NewClient(cluster.Nodes[0].URL)
newIndexData := []byte("<h1>Ethereum Swarm</h1>")
newIndexDataFilename := filepath.Join(tmp, "index.html")
err = ioutil.WriteFile(newIndexDataFilename, newIndexData, 0666)
if err != nil {
t.Fatal(err)
}
newIndexManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"up",
newIndexDataFilename,
)
newManifestHash := runSwarmExpectHash(t,
"--bzzapi",
cluster.Nodes[0].URL,
"manifest",
"update",
origManifestHash,
"index.html",
newIndexManifestHash,
)
checkHashLength(t, newManifestHash, encrypt)
newManifest := downloadManifest(t, client, newManifestHash, encrypt)
var found bool
for _, e := range newManifest.Entries {
if e.Path == "index." {
found = true
newManifest = downloadManifest(t, client, e.Hash, encrypt)
break
}
}
if !found {
t.Fatal("no index. path in new manifest")
}
found = false
for _, e := range newManifest.Entries {
if e.Path == "html" {
found = true
if e.Size != int64(len(newIndexData)) {
t.Errorf("expected index.html size %v, got %v", len(newIndexData), e.Size)
}
if e.ModTime.IsZero() {
t.Errorf("got zero mod time for index.html")
}
ct := "text/html; charset=utf-8"
if e.ContentType != ct {
t.Errorf("expected content type %q, got %q", ct, e.ContentType)
}
break
}
}
if !found {
t.Fatal("no html in new manifest")
}
checkFile(t, client, newManifestHash, "index.html", newIndexData)
// check default entry change
checkFile(t, client, newManifestHash, "", newIndexData)
}
func runSwarmExpectHash(t *testing.T, args ...string) (hash string) {
t.Helper()
hashRegexp := `[a-f\d]{64,128}`
up := runSwarm(t, args...)
_, matches := up.ExpectRegexp(hashRegexp)
up.ExpectExit()
if len(matches) < 1 {
t.Fatal("no matches found")
}
return matches[0]
}
func checkHashLength(t *testing.T, hash string, encrypted bool) {
t.Helper()
l := len(hash)
if encrypted && l != 128 {
t.Errorf("expected hash length 128, got %v", l)
}
if !encrypted && l != 64 {
t.Errorf("expected hash length 64, got %v", l)
}
}
func downloadManifest(t *testing.T, client *swarm.Client, hash string, encrypted bool) (manifest *api.Manifest) {
t.Helper()
m, isEncrypted, err := client.DownloadManifest(hash)
if err != nil {
t.Fatal(err)
}
if encrypted != isEncrypted {
t.Error("new manifest encryption flag is not correct")
}
return m
}
func checkFile(t *testing.T, client *swarm.Client, hash, path string, expected []byte) {
t.Helper()
f, err := client.Download(hash, path)
if err != nil {
t.Fatal(err)
}
got, err := ioutil.ReadAll(f)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(got, expected) {
t.Errorf("expected file content %q, got %q", expected, got)
}
}
