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op-geth/swarm/api/http/server_test.go

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// Copyright 2017 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package http
import (
"archive/tar"
"bytes"
"context"
"encoding/json"
"errors"
"flag"
"fmt"
"io"
"io/ioutil"
"math/big"
"mime/multipart"
"net/http"
"net/url"
"os"
"path"
"strconv"
"strings"
"testing"
"time"
"github.com/ethereum/go-ethereum/swarm/storage/feed/lookup"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/swarm/api"
swarm "github.com/ethereum/go-ethereum/swarm/api/client"
"github.com/ethereum/go-ethereum/swarm/storage"
"github.com/ethereum/go-ethereum/swarm/storage/feed"
"github.com/ethereum/go-ethereum/swarm/testutil"
)
func init() {
loglevel := flag.Int("loglevel", 2, "loglevel")
flag.Parse()
log.Root().SetHandler(log.CallerFileHandler(log.LvlFilterHandler(log.Lvl(*loglevel), log.StreamHandler(os.Stderr, log.TerminalFormat(true)))))
}
func serverFunc(api *api.API) TestServer {
return NewServer(api, "")
}
func newTestSigner() (*feed.GenericSigner, error) {
privKey, err := crypto.HexToECDSA("deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef")
if err != nil {
return nil, err
}
return feed.NewGenericSigner(privKey), nil
}
// Test the transparent resolving of feed updates with bzz:// scheme
//
// First upload data to bzz:, and store the Swarm hash to the resulting manifest in a feed update.
// This effectively uses a feed to store a pointer to content rather than the content itself
// Retrieving the update with the Swarm hash should return the manifest pointing directly to the data
// and raw retrieve of that hash should return the data
func TestBzzWithFeed(t *testing.T) {
signer, _ := newTestSigner()
// Initialize Swarm test server
srv := NewTestSwarmServer(t, serverFunc, nil)
defer srv.Close()
// put together some data for our test:
dataBytes := []byte(`
//
// Create some data our manifest will point to. Data that could be very big and wouldn't fit in a feed update.
// So what we are going to do is upload it to Swarm bzz:// and obtain a **manifest hash** pointing to it:
//
// MANIFEST HASH --> DATA
//
// Then, we store that **manifest hash** into a Swarm Feed update. Once we have done this,
// we can use the **feed manifest hash** in bzz:// instead, this way: bzz://feed-manifest-hash.
//
// FEED MANIFEST HASH --> MANIFEST HASH --> DATA
//
// Given that we can update the feed at any time with a new **manifest hash** but the **feed manifest hash**
// stays constant, we have effectively created a fixed address to changing content. (Applause)
//
// FEED MANIFEST HASH (the same) --> MANIFEST HASH(2) --> DATA(2) ...
//
`)
// POST data to bzz and get back a content-addressed **manifest hash** pointing to it.
resp, err := http.Post(fmt.Sprintf("%s/bzz:/", srv.URL), "text/plain", bytes.NewReader([]byte(dataBytes)))
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("err %s", resp.Status)
}
manifestAddressHex, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
manifestAddress := common.FromHex(string(manifestAddressHex))
log.Info("added data", "manifest", string(manifestAddressHex))
// At this point we have uploaded the data and have a manifest pointing to it
// Now store that manifest address in a feed update.
// We also want a feed manifest, so we can use it to refer to the feed.
// First, create a topic for our feed:
topic, _ := feed.NewTopic("interesting topic indeed", nil)
// Create a feed update request:
updateRequest := feed.NewFirstRequest(topic)
// Store the **manifest address** as data into the feed update.
updateRequest.SetData(manifestAddress)
// Sign the update
if err := updateRequest.Sign(signer); err != nil {
t.Fatal(err)
}
log.Info("added data", "data", common.ToHex(manifestAddress))
// Build the feed update http request:
feedUpdateURL, err := url.Parse(fmt.Sprintf("%s/bzz-feed:/", srv.URL))
if err != nil {
t.Fatal(err)
}
query := feedUpdateURL.Query()
body := updateRequest.AppendValues(query) // this adds all query parameters and returns the data to be posted
query.Set("manifest", "1") // indicate we want a feed manifest back
feedUpdateURL.RawQuery = query.Encode()
// submit the feed update request to Swarm
resp, err = http.Post(feedUpdateURL.String(), "application/octet-stream", bytes.NewReader(body))
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("err %s", resp.Status)
}
feedManifestAddressHex, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
feedManifestAddress := &storage.Address{}
err = json.Unmarshal(feedManifestAddressHex, feedManifestAddress)
if err != nil {
t.Fatalf("data %s could not be unmarshaled: %v", feedManifestAddressHex, err)
}
correctManifestAddrHex := "747c402e5b9dc715a25a4393147512167bab018a007fad7cdcd9adc7fce1ced2"
if feedManifestAddress.Hex() != correctManifestAddrHex {
t.Fatalf("Response feed manifest address mismatch, expected '%s', got '%s'", correctManifestAddrHex, feedManifestAddress.Hex())
}
// get bzz manifest transparent feed update resolve
getBzzURL := fmt.Sprintf("%s/bzz:/%s", srv.URL, feedManifestAddress)
resp, err = http.Get(getBzzURL)
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("err %s", resp.Status)
}
retrievedData, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(retrievedData, []byte(dataBytes)) {
t.Fatalf("retrieved data mismatch, expected %x, got %x", dataBytes, retrievedData)
}
}
// Test Swarm feeds using the raw update methods
func TestBzzFeed(t *testing.T) {
srv := NewTestSwarmServer(t, serverFunc, nil)
signer, _ := newTestSigner()
defer srv.Close()
// data of update 1
update1Data := testutil.RandomBytes(1, 666)
update1Timestamp := srv.CurrentTime
//data for update 2
update2Data := []byte("foo")
topic, _ := feed.NewTopic("foo.eth", nil)
updateRequest := feed.NewFirstRequest(topic)
updateRequest.SetData(update1Data)
if err := updateRequest.Sign(signer); err != nil {
t.Fatal(err)
}
// creates feed and sets update 1
testUrl, err := url.Parse(fmt.Sprintf("%s/bzz-feed:/", srv.URL))
if err != nil {
t.Fatal(err)
}
urlQuery := testUrl.Query()
body := updateRequest.AppendValues(urlQuery) // this adds all query parameters
urlQuery.Set("manifest", "1") // indicate we want a manifest back
testUrl.RawQuery = urlQuery.Encode()
resp, err := http.Post(testUrl.String(), "application/octet-stream", bytes.NewReader(body))
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("err %s", resp.Status)
}
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
rsrcResp := &storage.Address{}
err = json.Unmarshal(b, rsrcResp)
if err != nil {
t.Fatalf("data %s could not be unmarshaled: %v", b, err)
}
correctManifestAddrHex := "bb056a5264c295c2b0f613c8409b9c87ce9d71576ace02458160df4cc894210b"
if rsrcResp.Hex() != correctManifestAddrHex {
t.Fatalf("Response feed manifest mismatch, expected '%s', got '%s'", correctManifestAddrHex, rsrcResp.Hex())
}
// get the manifest
testRawUrl := fmt.Sprintf("%s/bzz-raw:/%s", srv.URL, rsrcResp)
resp, err = http.Get(testRawUrl)
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("err %s", resp.Status)
}
b, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
manifest := &api.Manifest{}
err = json.Unmarshal(b, manifest)
if err != nil {
t.Fatal(err)
}
if len(manifest.Entries) != 1 {
t.Fatalf("Manifest has %d entries", len(manifest.Entries))
}
correctFeedHex := "0x666f6f2e65746800000000000000000000000000000000000000000000000000c96aaa54e2d44c299564da76e1cd3184a2386b8d"
if manifest.Entries[0].Feed.Hex() != correctFeedHex {
t.Fatalf("Expected manifest Feed '%s', got '%s'", correctFeedHex, manifest.Entries[0].Feed.Hex())
}
// take the chance to have bzz: crash on resolving a feed update that does not contain
// a swarm hash:
testBzzUrl := fmt.Sprintf("%s/bzz:/%s", srv.URL, rsrcResp)
resp, err = http.Get(testBzzUrl)
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusOK {
t.Fatal("Expected error status since feed update does not contain a Swarm hash. Received 200 OK")
}
_, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
// get non-existent name, should fail
testBzzResUrl := fmt.Sprintf("%s/bzz-feed:/bar", srv.URL)
resp, err = http.Get(testBzzResUrl)
if err != nil {
t.Fatal(err)
}
if resp.StatusCode != http.StatusNotFound {
t.Fatalf("Expected get non-existent feed manifest to fail with StatusNotFound (404), got %d", resp.StatusCode)
}
resp.Body.Close()
// get latest update through bzz-feed directly
log.Info("get update latest = 1.1", "addr", correctManifestAddrHex)
testBzzResUrl = fmt.Sprintf("%s/bzz-feed:/%s", srv.URL, correctManifestAddrHex)
resp, err = http.Get(testBzzResUrl)
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("err %s", resp.Status)
}
b, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(update1Data, b) {
t.Fatalf("Expected body '%x', got '%x'", update1Data, b)
}
// update 2
// Move the clock ahead 1 second
srv.CurrentTime++
log.Info("update 2")
// 1.- get metadata about this feed
testBzzResUrl = fmt.Sprintf("%s/bzz-feed:/%s/", srv.URL, correctManifestAddrHex)
resp, err = http.Get(testBzzResUrl + "?meta=1")
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("Get feed metadata returned %s", resp.Status)
}
b, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
updateRequest = &feed.Request{}
if err = updateRequest.UnmarshalJSON(b); err != nil {
t.Fatalf("Error decoding feed metadata: %s", err)
}
updateRequest.SetData(update2Data)
if err = updateRequest.Sign(signer); err != nil {
t.Fatal(err)
}
testUrl, err = url.Parse(fmt.Sprintf("%s/bzz-feed:/", srv.URL))
if err != nil {
t.Fatal(err)
}
urlQuery = testUrl.Query()
body = updateRequest.AppendValues(urlQuery) // this adds all query parameters
goodQueryParameters := urlQuery.Encode() // save the query parameters for a second attempt
// create bad query parameters in which the signature is missing
urlQuery.Del("signature")
testUrl.RawQuery = urlQuery.Encode()
// 1st attempt with bad query parameters in which the signature is missing
resp, err = http.Post(testUrl.String(), "application/octet-stream", bytes.NewReader(body))
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
expectedCode := http.StatusBadRequest
if resp.StatusCode != expectedCode {
t.Fatalf("Update returned %s. Expected %d", resp.Status, expectedCode)
}
// 2nd attempt with bad query parameters in which the signature is of incorrect length
urlQuery.Set("signature", "0xabcd") // should be 130 hex chars
resp, err = http.Post(testUrl.String(), "application/octet-stream", bytes.NewReader(body))
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
expectedCode = http.StatusBadRequest
if resp.StatusCode != expectedCode {
t.Fatalf("Update returned %s. Expected %d", resp.Status, expectedCode)
}
// 3rd attempt, with good query parameters:
testUrl.RawQuery = goodQueryParameters
resp, err = http.Post(testUrl.String(), "application/octet-stream", bytes.NewReader(body))
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
expectedCode = http.StatusOK
if resp.StatusCode != expectedCode {
t.Fatalf("Update returned %s. Expected %d", resp.Status, expectedCode)
}
// get latest update through bzz-feed directly
log.Info("get update 1.2")
testBzzResUrl = fmt.Sprintf("%s/bzz-feed:/%s", srv.URL, correctManifestAddrHex)
resp, err = http.Get(testBzzResUrl)
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("err %s", resp.Status)
}
b, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(update2Data, b) {
t.Fatalf("Expected body '%x', got '%x'", update2Data, b)
}
// test manifest-less queries
log.Info("get first update in update1Timestamp via direct query")
query := feed.NewQuery(&updateRequest.Feed, update1Timestamp, lookup.NoClue)
urlq, err := url.Parse(fmt.Sprintf("%s/bzz-feed:/", srv.URL))
if err != nil {
t.Fatal(err)
}
values := urlq.Query()
query.AppendValues(values) // this adds feed query parameters
urlq.RawQuery = values.Encode()
resp, err = http.Get(urlq.String())
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("err %s", resp.Status)
}
b, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(update1Data, b) {
t.Fatalf("Expected body '%x', got '%x'", update1Data, b)
}
}
func TestBzzGetPath(t *testing.T) {
testBzzGetPath(false, t)
testBzzGetPath(true, t)
}
func testBzzGetPath(encrypted bool, t *testing.T) {
var err error
testmanifest := []string{
`{"entries":[{"path":"b","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0},{"path":"c","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0}]}`,
`{"entries":[{"path":"a","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0},{"path":"b/","hash":"<key0>","contentType":"application/bzz-manifest+json","status":0}]}`,
`{"entries":[{"path":"a/","hash":"<key1>","contentType":"application/bzz-manifest+json","status":0}]}`,
}
testrequests := make(map[string]int)
testrequests["/"] = 2
testrequests["/a/"] = 1
testrequests["/a/b/"] = 0
testrequests["/x"] = 0
testrequests[""] = 0
expectedfailrequests := []string{"", "/x"}
reader := [3]*bytes.Reader{}
addr := [3]storage.Address{}
srv := NewTestSwarmServer(t, serverFunc, nil)
defer srv.Close()
for i, mf := range testmanifest {
reader[i] = bytes.NewReader([]byte(mf))
var wait func(context.Context) error
ctx := context.TODO()
addr[i], wait, err = srv.FileStore.Store(ctx, reader[i], int64(len(mf)), encrypted)
if err != nil {
t.Fatal(err)
}
for j := i + 1; j < len(testmanifest); j++ {
testmanifest[j] = strings.Replace(testmanifest[j], fmt.Sprintf("<key%v>", i), addr[i].Hex(), -1)
}
err = wait(ctx)
if err != nil {
t.Fatal(err)
}
}
rootRef := addr[2].Hex()
_, err = http.Get(srv.URL + "/bzz-raw:/" + rootRef + "/a")
if err != nil {
t.Fatalf("Failed to connect to proxy: %v", err)
}
for k, v := range testrequests {
var resp *http.Response
var respbody []byte
url := srv.URL + "/bzz-raw:/"
if k != "" {
url += rootRef + "/" + k[1:] + "?content_type=text/plain"
}
resp, err = http.Get(url)
if err != nil {
t.Fatalf("Request failed: %v", err)
}
defer resp.Body.Close()
respbody, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatalf("Error while reading response body: %v", err)
}
if string(respbody) != testmanifest[v] {
isexpectedfailrequest := false
for _, r := range expectedfailrequests {
if k == r {
isexpectedfailrequest = true
}
}
if !isexpectedfailrequest {
t.Fatalf("Response body does not match, expected: %v, got %v", testmanifest[v], string(respbody))
}
}
}
for k, v := range testrequests {
var resp *http.Response
var respbody []byte
url := srv.URL + "/bzz-hash:/"
if k != "" {
url += rootRef + "/" + k[1:]
}
resp, err = http.Get(url)
if err != nil {
t.Fatalf("Request failed: %v", err)
}
defer resp.Body.Close()
respbody, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatalf("Read request body: %v", err)
}
if string(respbody) != addr[v].Hex() {
isexpectedfailrequest := false
for _, r := range expectedfailrequests {
if k == r {
isexpectedfailrequest = true
}
}
if !isexpectedfailrequest {
t.Fatalf("Response body does not match, expected: %v, got %v", addr[v], string(respbody))
}
}
}
ref := addr[2].Hex()
for _, c := range []struct {
path string
json string
pageFragments []string
}{
{
path: "/",
json: `{"common_prefixes":["a/"]}`,
pageFragments: []string{
fmt.Sprintf("Swarm index of bzz:/%s/", ref),
`<a class="normal-link" href="a/">a/</a>`,
},
},
{
path: "/a/",
json: `{"common_prefixes":["a/b/"],"entries":[{"hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","path":"a/a","mod_time":"0001-01-01T00:00:00Z"}]}`,
pageFragments: []string{
fmt.Sprintf("Swarm index of bzz:/%s/a/", ref),
`<a class="normal-link" href="b/">b/</a>`,
fmt.Sprintf(`<a class="normal-link" href="/bzz:/%s/a/a">a</a>`, ref),
},
},
{
path: "/a/b/",
json: `{"entries":[{"hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","path":"a/b/b","mod_time":"0001-01-01T00:00:00Z"},{"hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","path":"a/b/c","mod_time":"0001-01-01T00:00:00Z"}]}`,
pageFragments: []string{
fmt.Sprintf("Swarm index of bzz:/%s/a/b/", ref),
fmt.Sprintf(`<a class="normal-link" href="/bzz:/%s/a/b/b">b</a>`, ref),
fmt.Sprintf(`<a class="normal-link" href="/bzz:/%s/a/b/c">c</a>`, ref),
},
},
{
path: "/x",
},
{
path: "",
},
} {
k := c.path
url := srv.URL + "/bzz-list:/"
if k != "" {
url += rootRef + "/" + k[1:]
}
t.Run("json list "+c.path, func(t *testing.T) {
resp, err := http.Get(url)
if err != nil {
t.Fatalf("HTTP request: %v", err)
}
defer resp.Body.Close()
respbody, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatalf("Read response body: %v", err)
}
body := strings.TrimSpace(string(respbody))
if body != c.json {
isexpectedfailrequest := false
for _, r := range expectedfailrequests {
if k == r {
isexpectedfailrequest = true
}
}
if !isexpectedfailrequest {
t.Errorf("Response list body %q does not match, expected: %v, got %v", k, c.json, body)
}
}
})
t.Run("html list "+c.path, func(t *testing.T) {
req, err := http.NewRequest(http.MethodGet, url, nil)
if err != nil {
t.Fatalf("New request: %v", err)
}
req.Header.Set("Accept", "text/html")
resp, err := http.DefaultClient.Do(req)
if err != nil {
t.Fatalf("HTTP request: %v", err)
}
defer resp.Body.Close()
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatalf("Read response body: %v", err)
}
body := string(b)
for _, f := range c.pageFragments {
if !strings.Contains(body, f) {
isexpectedfailrequest := false
for _, r := range expectedfailrequests {
if k == r {
isexpectedfailrequest = true
}
}
if !isexpectedfailrequest {
t.Errorf("Response list body %q does not contain %q: body %q", k, f, body)
}
}
}
})
}
nonhashtests := []string{
srv.URL + "/bzz:/name",
srv.URL + "/bzz-immutable:/nonhash",
srv.URL + "/bzz-raw:/nonhash",
srv.URL + "/bzz-list:/nonhash",
srv.URL + "/bzz-hash:/nonhash",
}
nonhashresponses := []string{
`cannot resolve name: no DNS to resolve name: "name"`,
`cannot resolve nonhash: no DNS to resolve name: "nonhash"`,
`cannot resolve nonhash: no DNS to resolve name: "nonhash"`,
`cannot resolve nonhash: no DNS to resolve name: "nonhash"`,
`cannot resolve nonhash: no DNS to resolve name: "nonhash"`,
}
for i, url := range nonhashtests {
var resp *http.Response
var respbody []byte
resp, err = http.Get(url)
if err != nil {
t.Fatalf("Request failed: %v", err)
}
defer resp.Body.Close()
respbody, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatalf("ReadAll failed: %v", err)
}
if !strings.Contains(string(respbody), nonhashresponses[i]) {
t.Fatalf("Non-Hash response body does not match, expected: %v, got: %v", nonhashresponses[i], string(respbody))
}
}
}
func TestBzzTar(t *testing.T) {
testBzzTar(false, t)
testBzzTar(true, t)
}
func testBzzTar(encrypted bool, t *testing.T) {
srv := NewTestSwarmServer(t, serverFunc, nil)
defer srv.Close()
fileNames := []string{"tmp1.txt", "tmp2.lock", "tmp3.rtf"}
fileContents := []string{"tmp1textfilevalue", "tmp2lockfilelocked", "tmp3isjustaplaintextfile"}
buf := &bytes.Buffer{}
tw := tar.NewWriter(buf)
defer tw.Close()
for i, v := range fileNames {
size := int64(len(fileContents[i]))
hdr := &tar.Header{
Name: v,
Mode: 0644,
Size: size,
ModTime: time.Now(),
Xattrs: map[string]string{
"user.swarm.content-type": "text/plain",
},
}
if err := tw.WriteHeader(hdr); err != nil {
t.Fatal(err)
}
// copy the file into the tar stream
n, err := io.Copy(tw, bytes.NewBufferString(fileContents[i]))
if err != nil {
t.Fatal(err)
} else if n != size {
t.Fatal("size mismatch")
}
}
//post tar stream
url := srv.URL + "/bzz:/"
if encrypted {
url = url + "encrypt"
}
req, err := http.NewRequest("POST", url, buf)
if err != nil {
t.Fatal(err)
}
req.Header.Add("Content-Type", "application/x-tar")
client := &http.Client{}
resp2, err := client.Do(req)
if err != nil {
t.Fatal(err)
}
if resp2.StatusCode != http.StatusOK {
t.Fatalf("err %s", resp2.Status)
}
swarmHash, err := ioutil.ReadAll(resp2.Body)
resp2.Body.Close()
if err != nil {
t.Fatal(err)
}
// now do a GET to get a tarball back
req, err = http.NewRequest("GET", fmt.Sprintf(srv.URL+"/bzz:/%s", string(swarmHash)), nil)
if err != nil {
t.Fatal(err)
}
req.Header.Add("Accept", "application/x-tar")
resp2, err = client.Do(req)
if err != nil {
t.Fatal(err)
}
defer resp2.Body.Close()
if h := resp2.Header.Get("Content-Type"); h != "application/x-tar" {
t.Fatalf("Content-Type header expected: application/x-tar, got: %s", h)
}
expectedFileName := string(swarmHash) + ".tar"
expectedContentDisposition := fmt.Sprintf("inline; filename=\"%s\"", expectedFileName)
if h := resp2.Header.Get("Content-Disposition"); h != expectedContentDisposition {
t.Fatalf("Content-Disposition header expected: %s, got: %s", expectedContentDisposition, h)
}
file, err := ioutil.TempFile("", "swarm-downloaded-tarball")
if err != nil {
t.Fatal(err)
}
defer os.Remove(file.Name())
_, err = io.Copy(file, resp2.Body)
if err != nil {
t.Fatalf("error getting tarball: %v", err)
}
file.Sync()
file.Close()
tarFileHandle, err := os.Open(file.Name())
if err != nil {
t.Fatal(err)
}
tr := tar.NewReader(tarFileHandle)
for {
hdr, err := tr.Next()
if err == io.EOF {
break
} else if err != nil {
t.Fatalf("error reading tar stream: %s", err)
}
bb := make([]byte, hdr.Size)
_, err = tr.Read(bb)
if err != nil && err != io.EOF {
t.Fatal(err)
}
passed := false
for i, v := range fileNames {
if v == hdr.Name {
if string(bb) == fileContents[i] {
passed = true
break
}
}
}
if !passed {
t.Fatalf("file %s did not pass content assertion", hdr.Name)
}
}
}
// TestBzzRootRedirect tests that getting the root path of a manifest without
// a trailing slash gets redirected to include the trailing slash so that
// relative URLs work as expected.
func TestBzzRootRedirect(t *testing.T) {
testBzzRootRedirect(false, t)
}
func TestBzzRootRedirectEncrypted(t *testing.T) {
testBzzRootRedirect(true, t)
}
func testBzzRootRedirect(toEncrypt bool, t *testing.T) {
srv := NewTestSwarmServer(t, serverFunc, nil)
defer srv.Close()
// create a manifest with some data at the root path
client := swarm.NewClient(srv.URL)
data := []byte("data")
file := &swarm.File{
ReadCloser: ioutil.NopCloser(bytes.NewReader(data)),
ManifestEntry: api.ManifestEntry{
Path: "",
ContentType: "text/plain",
Size: int64(len(data)),
},
}
hash, err := client.Upload(file, "", toEncrypt)
if err != nil {
t.Fatal(err)
}
// define a CheckRedirect hook which ensures there is only a single
// redirect to the correct URL
redirected := false
httpClient := http.Client{
CheckRedirect: func(req *http.Request, via []*http.Request) error {
if redirected {
return errors.New("too many redirects")
}
redirected = true
expectedPath := "/bzz:/" + hash + "/"
if req.URL.Path != expectedPath {
return fmt.Errorf("expected redirect to %q, got %q", expectedPath, req.URL.Path)
}
return nil
},
}
// perform the GET request and assert the response
res, err := httpClient.Get(srv.URL + "/bzz:/" + hash)
if err != nil {
t.Fatal(err)
}
defer res.Body.Close()
if !redirected {
t.Fatal("expected GET /bzz:/<hash> to redirect to /bzz:/<hash>/ but it didn't")
}
gotData, err := ioutil.ReadAll(res.Body)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(gotData, data) {
t.Fatalf("expected response to equal %q, got %q", data, gotData)
}
}
func TestMethodsNotAllowed(t *testing.T) {
srv := NewTestSwarmServer(t, serverFunc, nil)
defer srv.Close()
databytes := "bar"
for _, c := range []struct {
url string
code int
}{
{
url: fmt.Sprintf("%s/bzz-list:/", srv.URL),
code: http.StatusMethodNotAllowed,
}, {
url: fmt.Sprintf("%s/bzz-hash:/", srv.URL),
code: http.StatusMethodNotAllowed,
},
{
url: fmt.Sprintf("%s/bzz-immutable:/", srv.URL),
code: http.StatusMethodNotAllowed,
},
} {
res, _ := http.Post(c.url, "text/plain", bytes.NewReader([]byte(databytes)))
if res.StatusCode != c.code {
t.Fatalf("should have failed. requested url: %s, expected code %d, got %d", c.url, c.code, res.StatusCode)
}
}
}
func httpDo(httpMethod string, url string, reqBody io.Reader, headers map[string]string, verbose bool, t *testing.T) (*http.Response, string) {
// Build the Request
req, err := http.NewRequest(httpMethod, url, reqBody)
if err != nil {
t.Fatal(err)
}
for key, value := range headers {
req.Header.Set(key, value)
}
if verbose {
t.Log(req.Method, req.URL, req.Header, req.Body)
}
// Send Request out
httpClient := &http.Client{}
res, err := httpClient.Do(req)
if err != nil {
t.Fatal(err)
}
// Read the HTTP Body
buffer, err := ioutil.ReadAll(res.Body)
if err != nil {
t.Fatal(err)
}
defer res.Body.Close()
body := string(buffer)
return res, body
}
func TestGet(t *testing.T) {
srv := NewTestSwarmServer(t, serverFunc, nil)
defer srv.Close()
for _, testCase := range []struct {
uri string
method string
headers map[string]string
expectedStatusCode int
assertResponseBody string
verbose bool
}{
{
uri: fmt.Sprintf("%s/", srv.URL),
method: "GET",
headers: map[string]string{"Accept": "text/html"},
expectedStatusCode: http.StatusOK,
assertResponseBody: "Swarm: Serverless Hosting Incentivised Peer-To-Peer Storage And Content Distribution",
verbose: false,
},
{
uri: fmt.Sprintf("%s/", srv.URL),
method: "GET",
headers: map[string]string{"Accept": "application/json"},
expectedStatusCode: http.StatusOK,
assertResponseBody: "Swarm: Please request a valid ENS or swarm hash with the appropriate bzz scheme",
verbose: false,
},
{
uri: fmt.Sprintf("%s/robots.txt", srv.URL),
method: "GET",
headers: map[string]string{"Accept": "text/html"},
expectedStatusCode: http.StatusOK,
assertResponseBody: "User-agent: *\nDisallow: /",
verbose: false,
},
{
uri: fmt.Sprintf("%s/nonexistent_path", srv.URL),
method: "GET",
headers: map[string]string{},
expectedStatusCode: http.StatusNotFound,
verbose: false,
},
{
uri: fmt.Sprintf("%s/bzz:asdf/", srv.URL),
method: "GET",
headers: map[string]string{},
expectedStatusCode: http.StatusNotFound,
verbose: false,
},
{
uri: fmt.Sprintf("%s/tbz2/", srv.URL),
method: "GET",
headers: map[string]string{},
expectedStatusCode: http.StatusNotFound,
verbose: false,
},
{
uri: fmt.Sprintf("%s/bzz-rack:/", srv.URL),
method: "GET",
headers: map[string]string{},
expectedStatusCode: http.StatusNotFound,
verbose: false,
},
{
uri: fmt.Sprintf("%s/bzz-ls", srv.URL),
method: "GET",
headers: map[string]string{},
expectedStatusCode: http.StatusNotFound,
verbose: false,
}} {
t.Run("GET "+testCase.uri, func(t *testing.T) {
res, body := httpDo(testCase.method, testCase.uri, nil, testCase.headers, testCase.verbose, t)
if res.StatusCode != testCase.expectedStatusCode {
t.Fatalf("expected status code %d but got %d", testCase.expectedStatusCode, res.StatusCode)
}
if testCase.assertResponseBody != "" && !strings.Contains(body, testCase.assertResponseBody) {
t.Fatalf("expected response to be: %s but got: %s", testCase.assertResponseBody, body)
}
})
}
}
func TestModify(t *testing.T) {
srv := NewTestSwarmServer(t, serverFunc, nil)
defer srv.Close()
swarmClient := swarm.NewClient(srv.URL)
data := []byte("data")
file := &swarm.File{
ReadCloser: ioutil.NopCloser(bytes.NewReader(data)),
ManifestEntry: api.ManifestEntry{
Path: "",
ContentType: "text/plain",
Size: int64(len(data)),
},
}
hash, err := swarmClient.Upload(file, "", false)
if err != nil {
t.Fatal(err)
}
for _, testCase := range []struct {
uri string
method string
headers map[string]string
requestBody []byte
expectedStatusCode int
assertResponseBody string
assertResponseHeaders map[string]string
verbose bool
}{
{
uri: fmt.Sprintf("%s/bzz:/%s", srv.URL, hash),
method: "DELETE",
headers: map[string]string{},
expectedStatusCode: http.StatusOK,
assertResponseBody: "8b634aea26eec353ac0ecbec20c94f44d6f8d11f38d4578a4c207a84c74ef731",
verbose: false,
},
{
uri: fmt.Sprintf("%s/bzz:/%s", srv.URL, hash),
method: "PUT",
headers: map[string]string{},
expectedStatusCode: http.StatusMethodNotAllowed,
verbose: false,
},
{
uri: fmt.Sprintf("%s/bzz-raw:/%s", srv.URL, hash),
method: "PUT",
headers: map[string]string{},
expectedStatusCode: http.StatusMethodNotAllowed,
verbose: false,
},
{
uri: fmt.Sprintf("%s/bzz:/%s", srv.URL, hash),
method: "PATCH",
headers: map[string]string{},
expectedStatusCode: http.StatusMethodNotAllowed,
verbose: false,
},
{
uri: fmt.Sprintf("%s/bzz-raw:/", srv.URL),
method: "POST",
headers: map[string]string{},
requestBody: []byte("POSTdata"),
expectedStatusCode: http.StatusOK,
assertResponseHeaders: map[string]string{"Content-Length": "64"},
verbose: false,
},
{
uri: fmt.Sprintf("%s/bzz-raw:/encrypt", srv.URL),
method: "POST",
headers: map[string]string{},
requestBody: []byte("POSTdata"),
expectedStatusCode: http.StatusOK,
assertResponseHeaders: map[string]string{"Content-Length": "128"},
verbose: false,
},
} {
t.Run(testCase.method+" "+testCase.uri, func(t *testing.T) {
reqBody := bytes.NewReader(testCase.requestBody)
res, body := httpDo(testCase.method, testCase.uri, reqBody, testCase.headers, testCase.verbose, t)
if res.StatusCode != testCase.expectedStatusCode {
t.Fatalf("expected status code %d but got %d, %s", testCase.expectedStatusCode, res.StatusCode, body)
}
if testCase.assertResponseBody != "" && !strings.Contains(body, testCase.assertResponseBody) {
t.Log(body)
t.Fatalf("expected response %s but got %s", testCase.assertResponseBody, body)
}
for key, value := range testCase.assertResponseHeaders {
if res.Header.Get(key) != value {
t.Logf("expected %s=%s in HTTP response header but got %s", key, value, res.Header.Get(key))
}
}
})
}
}
func TestMultiPartUpload(t *testing.T) {
// POST /bzz:/ Content-Type: multipart/form-data
verbose := false
// Setup Swarm
srv := NewTestSwarmServer(t, serverFunc, nil)
defer srv.Close()
url := fmt.Sprintf("%s/bzz:/", srv.URL)
buf := new(bytes.Buffer)
form := multipart.NewWriter(buf)
form.WriteField("name", "John Doe")
file1, _ := form.CreateFormFile("cv", "cv.txt")
file1.Write([]byte("John Doe's Credentials"))
file2, _ := form.CreateFormFile("profile_picture", "profile.jpg")
file2.Write([]byte("imaginethisisjpegdata"))
form.Close()
headers := map[string]string{
"Content-Type": form.FormDataContentType(),
"Content-Length": strconv.Itoa(buf.Len()),
}
res, body := httpDo("POST", url, buf, headers, verbose, t)
if res.StatusCode != http.StatusOK {
t.Fatalf("expected POST multipart/form-data to return 200, but it returned %d", res.StatusCode)
}
if len(body) != 64 {
t.Fatalf("expected POST multipart/form-data to return a 64 char manifest but the answer was %d chars long", len(body))
}
}
// TestBzzGetFileWithResolver tests fetching a file using a mocked ENS resolver
func TestBzzGetFileWithResolver(t *testing.T) {
resolver := newTestResolveValidator("")
srv := NewTestSwarmServer(t, serverFunc, resolver)
defer srv.Close()
fileNames := []string{"dir1/tmp1.txt", "dir2/tmp2.lock", "dir3/tmp3.rtf"}
fileContents := []string{"tmp1textfilevalue", "tmp2lockfilelocked", "tmp3isjustaplaintextfile"}
buf := &bytes.Buffer{}
tw := tar.NewWriter(buf)
for i, v := range fileNames {
size := len(fileContents[i])
hdr := &tar.Header{
Name: v,
Mode: 0644,
Size: int64(size),
ModTime: time.Now(),
Xattrs: map[string]string{
"user.swarm.content-type": "text/plain",
},
}
if err := tw.WriteHeader(hdr); err != nil {
t.Fatal(err)
}
// copy the file into the tar stream
n, err := io.WriteString(tw, fileContents[i])
if err != nil {
t.Fatal(err)
} else if n != size {
t.Fatal("size mismatch")
}
}
if err := tw.Close(); err != nil {
t.Fatal(err)
}
//post tar stream
url := srv.URL + "/bzz:/"
req, err := http.NewRequest("POST", url, buf)
if err != nil {
t.Fatal(err)
}
req.Header.Add("Content-Type", "application/x-tar")
client := &http.Client{}
serverResponse, err := client.Do(req)
if err != nil {
t.Fatal(err)
}
if serverResponse.StatusCode != http.StatusOK {
t.Fatalf("err %s", serverResponse.Status)
}
swarmHash, err := ioutil.ReadAll(serverResponse.Body)
serverResponse.Body.Close()
if err != nil {
t.Fatal(err)
}
// set the resolved hash to be the swarm hash of what we've just uploaded
hash := common.HexToHash(string(swarmHash))
resolver.hash = &hash
for _, v := range []struct {
addr string
path string
expectedStatusCode int
expectedContentType string
expectedFileName string
}{
{
addr: string(swarmHash),
path: fileNames[0],
expectedStatusCode: http.StatusOK,
expectedContentType: "text/plain",
expectedFileName: path.Base(fileNames[0]),
},
{
addr: "somebogusensname",
path: fileNames[0],
expectedStatusCode: http.StatusOK,
expectedContentType: "text/plain",
expectedFileName: path.Base(fileNames[0]),
},
} {
req, err := http.NewRequest("GET", fmt.Sprintf(srv.URL+"/bzz:/%s/%s", v.addr, v.path), nil)
if err != nil {
t.Fatal(err)
}
serverResponse, err := client.Do(req)
if err != nil {
t.Fatal(err)
}
defer serverResponse.Body.Close()
if serverResponse.StatusCode != v.expectedStatusCode {
t.Fatalf("expected %d, got %d", v.expectedStatusCode, serverResponse.StatusCode)
}
if h := serverResponse.Header.Get("Content-Type"); h != v.expectedContentType {
t.Fatalf("Content-Type header expected: %s, got %s", v.expectedContentType, h)
}
expectedContentDisposition := fmt.Sprintf("inline; filename=\"%s\"", v.expectedFileName)
if h := serverResponse.Header.Get("Content-Disposition"); h != expectedContentDisposition {
t.Fatalf("Content-Disposition header expected: %s, got: %s", expectedContentDisposition, h)
}
}
}
// testResolver implements the Resolver interface and either returns the given
// hash if it is set, or returns a "name not found" error
type testResolveValidator struct {
hash *common.Hash
}
func newTestResolveValidator(addr string) *testResolveValidator {
r := &testResolveValidator{}
if addr != "" {
hash := common.HexToHash(addr)
r.hash = &hash
}
return r
}
func (t *testResolveValidator) Resolve(addr string) (common.Hash, error) {
if t.hash == nil {
return common.Hash{}, fmt.Errorf("DNS name not found: %q", addr)
}
return *t.hash, nil
}
func (t *testResolveValidator) Owner(node [32]byte) (addr common.Address, err error) {
return
}
func (t *testResolveValidator) HeaderByNumber(context.Context, *big.Int) (header *types.Header, err error) {
return
}
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