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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_test
import (
"bytes"
"errors"
"fmt"
"io/ioutil"
"net/http"
"sync"
"testing"
"github.com/ethereum/go-ethereum/common"
"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/testutil"
)
func TestBzzrGetPath(t *testing.T) {
var err error
testmanifest := []string{
`{"entries":[{"path":"a/","hash":"674af7073604ebfc0282a4ab21e5ef1a3c22913866879ebc0816f8a89896b2ed","contentType":"application/bzz-manifest+json","status":0}]}`,
`{"entries":[{"path":"a","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0},{"path":"b/","hash":"0a87b1c3e4bf013686cdf107ec58590f2004610ee58cc2240f26939f691215f5","contentType":"application/bzz-manifest+json","status":0}]}`,
`{"entries":[{"path":"b","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0},{"path":"c","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0}]}`,
}
testrequests := make(map[string]int)
testrequests["/"] = 0
testrequests["/a/"] = 1
testrequests["/a/b/"] = 2
testrequests["/x"] = 0
testrequests[""] = 0
expectedfailrequests := []string{"", "/x"}
reader := [3]*bytes.Reader{}
key := [3]storage.Key{}
srv := testutil.NewTestSwarmServer(t)
defer srv.Close()
wg := &sync.WaitGroup{}
for i, mf := range testmanifest {
reader[i] = bytes.NewReader([]byte(mf))
key[i], err = srv.Dpa.Store(reader[i], int64(len(mf)), wg, nil)
if err != nil {
t.Fatal(err)
}
wg.Wait()
}
_, err = http.Get(srv.URL + "/bzzr:/" + common.ToHex(key[0])[2:] + "/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 + "/bzzr:/"
if k[:] != "" {
url += common.ToHex(key[0])[2:] + "/" + 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 string(respbody) != testmanifest[v] {
isexpectedfailrequest := false
for _, r := range expectedfailrequests {
if k[:] == r {
isexpectedfailrequest = true
}
}
if isexpectedfailrequest == false {
t.Fatalf("Response body does not match, expected: %v, got %v", testmanifest[v], string(respbody))
}
}
}
nonhashtests := []string{
srv.URL + "/bzz:/name",
srv.URL + "/bzzi:/nonhash",
srv.URL + "/bzzr:/nonhash",
}
nonhashresponses := []string{
"error resolving name: no DNS to resolve name: \"name\"\n",
"error resolving nonhash: immutable address not a content hash: \"nonhash\"\n",
"error resolving nonhash: no DNS to resolve name: \"nonhash\"\n",
}
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 string(respbody) != nonhashresponses[i] {
t.Fatalf("Non-Hash response body does not match, expected: %v, got: %v", nonhashresponses[i], string(respbody))
}
}
}
// 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) {
srv := testutil.NewTestSwarmServer(t)
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, "")
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)
}
}
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