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swarm/...: Integrate encryption into swarm API

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This commit is contained in:
Balint Gabor 2018-03-30 17:19:33 +02:00
parent 2ee678dea4
commit ca6b22ee7c
11 changed files with 551 additions and 485 deletions
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18
swarm/api/api.go
View file

@ -39,7 +39,9 @@ import (
"github.com/ethereum/go-ethereum/swarm/storage"
)
var hashMatcher = regexp.MustCompile("^[0-9A-Fa-f]{64}")
// TODO: this is bad, it should not be hardcoded how long is a hash
var hashMatcher = regexp.MustCompile("^([0-9A-Fa-f]{64})([0-9A-Fa-f]{64})?")
type ErrResourceReturn struct {
key string
@ -230,9 +232,9 @@ func NewApi(dpa *storage.DPA, dns Resolver, resourceHandler *storage.ResourceHan
}
// to be used only in TEST
func (self *Api) Upload(uploadDir, index string) (hash string, err error) {
func (self *Api) Upload(uploadDir, index string, toEncrypt bool) (hash string, err error) {
fs := NewFileSystem(self)
hash, err = fs.Upload(uploadDir, index)
hash, err = fs.Upload(uploadDir, index, toEncrypt)
return hash, err
}
@ -241,9 +243,9 @@ func (self *Api) Retrieve(key storage.Key) storage.LazySectionReader {
return self.dpa.Retrieve(key)
}
func (self *Api) Store(data io.Reader, size int64) (key storage.Key, wait func(), err error) {
func (self *Api) Store(data io.Reader, size int64, toEncrypt bool) (key storage.Key, wait func(), err error) {
log.Debug("api.store", "size", size)
return self.dpa.Store(data, size, false)
return self.dpa.Store(data, size, toEncrypt)
}
type ErrResolve error
@ -283,17 +285,17 @@ func (self *Api) Resolve(uri *URI) (storage.Key, error) {
}
// Put provides singleton manifest creation on top of dpa store
func (self *Api) Put(content, contentType string) (k storage.Key, wait func(), err error) {
func (self *Api) Put(content, contentType string, toEncrypt bool) (k storage.Key, wait func(), err error) {
apiPutCount.Inc(1)
r := strings.NewReader(content)
key, waitContent, err := self.dpa.Store(r, int64(len(content)), false)
key, waitContent, err := self.dpa.Store(r, int64(len(content)), toEncrypt)
if err != nil {
apiPutFail.Inc(1)
return nil, nil, err
}
manifest := fmt.Sprintf(`{"entries":[{"hash":"%v","contentType":"%s"}]}`, key, contentType)
r = strings.NewReader(manifest)
key, waitManifest, err := self.dpa.Store(r, int64(len(manifest)), false)
key, waitManifest, err := self.dpa.Store(r, int64(len(manifest)), toEncrypt)
if err != nil {
apiPutFail.Inc(1)
return nil, nil, err

9
swarm/api/api_test.go
View file

@ -32,7 +32,7 @@ import (
"github.com/ethereum/go-ethereum/swarm/storage"
)
func testApi(t *testing.T, f func(*Api)) {
func testApi(t *testing.T, f func(*Api, bool)) {
datadir, err := ioutil.TempDir("", "bzz-test")
if err != nil {
t.Fatalf("unable to create temp dir: %v", err)
@ -43,7 +43,8 @@ func testApi(t *testing.T, f func(*Api)) {
return
}
api := NewApi(dpa, nil, nil)
f(api)
f(api, false)
f(api, true)
}
type testResponse struct {
@ -106,11 +107,11 @@ func testGet(t *testing.T, api *Api, bzzhash, path string) *testResponse {
}
func TestApiPut(t *testing.T) {
testApi(t, func(api *Api) {
testApi(t, func(api *Api, toEncrypt bool) {
content := "hello"
exp := expResponse(content, "text/plain", 0)
// exp := expResponse([]byte(content), "text/plain", 0)
key, wait, err := api.Put(content, exp.MimeType)
key, wait, err := api.Put(content, exp.MimeType, toEncrypt)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}

4
swarm/api/filesystem.go
View file

@ -47,7 +47,7 @@ func NewFileSystem(api *Api) *FileSystem {
// TODO: localpath should point to a manifest
//
// DEPRECATED: Use the HTTP API instead
func (self *FileSystem) Upload(lpath, index string) (string, error) {
func (self *FileSystem) Upload(lpath, index string, toEncrypt bool) (string, error) {
var list []*manifestTrieEntry
localpath, err := filepath.Abs(filepath.Clean(lpath))
if err != nil {
@ -114,7 +114,7 @@ func (self *FileSystem) Upload(lpath, index string) (string, error) {
stat, _ := f.Stat()
var hash storage.Key
var wait func()
hash, wait, err = self.api.dpa.Store(f, stat.Size(), false)
hash, wait, err = self.api.dpa.Store(f, stat.Size(), toEncrypt)
if hash != nil {
list[i].Hash = hash.Hex()
}

33
swarm/api/filesystem_test.go
View file

@ -29,9 +29,9 @@ import (
var testDownloadDir, _ = ioutil.TempDir(os.TempDir(), "bzz-test")
func testFileSystem(t *testing.T, f func(*FileSystem)) {
testApi(t, func(api *Api) {
f(NewFileSystem(api))
func testFileSystem(t *testing.T, f func(*FileSystem, bool)) {
testApi(t, func(api *Api, toEncrypt bool) {
f(NewFileSystem(api), toEncrypt)
})
}
@ -46,9 +46,9 @@ func readPath(t *testing.T, parts ...string) string {
}
func TestApiDirUpload0(t *testing.T) {
testFileSystem(t, func(fs *FileSystem) {
testFileSystem(t, func(fs *FileSystem, toEncrypt bool) {
api := fs.api
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0"), "")
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0"), "", toEncrypt)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@ -74,20 +74,21 @@ func TestApiDirUpload0(t *testing.T) {
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
newbzzhash, err := fs.Upload(downloadDir, "")
newbzzhash, err := fs.Upload(downloadDir, "", toEncrypt)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if bzzhash != newbzzhash {
// TODO: currently the hash is not deterministic in the encrypted case
if !toEncrypt && bzzhash != newbzzhash {
t.Fatalf("download %v reuploaded has incorrect hash, expected %v, got %v", downloadDir, bzzhash, newbzzhash)
}
})
}
func TestApiDirUploadModify(t *testing.T) {
testFileSystem(t, func(fs *FileSystem) {
testFileSystem(t, func(fs *FileSystem, toEncrypt bool) {
api := fs.api
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0"), "")
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0"), "", toEncrypt)
if err != nil {
t.Errorf("unexpected error: %v", err)
return
@ -104,7 +105,7 @@ func TestApiDirUploadModify(t *testing.T) {
t.Errorf("unexpected error: %v", err)
return
}
hash, wait, err := api.Store(bytes.NewReader(index), int64(len(index)))
hash, wait, err := api.Store(bytes.NewReader(index), int64(len(index)), toEncrypt)
wait()
if err != nil {
t.Errorf("unexpected error: %v", err)
@ -144,9 +145,9 @@ func TestApiDirUploadModify(t *testing.T) {
}
func TestApiDirUploadWithRootFile(t *testing.T) {
testFileSystem(t, func(fs *FileSystem) {
testFileSystem(t, func(fs *FileSystem, toEncrypt bool) {
api := fs.api
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0"), "index.html")
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0"), "index.html", toEncrypt)
if err != nil {
t.Errorf("unexpected error: %v", err)
return
@ -160,9 +161,9 @@ func TestApiDirUploadWithRootFile(t *testing.T) {
}
func TestApiFileUpload(t *testing.T) {
testFileSystem(t, func(fs *FileSystem) {
testFileSystem(t, func(fs *FileSystem, toEncrypt bool) {
api := fs.api
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0", "index.html"), "")
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0", "index.html"), "", toEncrypt)
if err != nil {
t.Errorf("unexpected error: %v", err)
return
@ -176,9 +177,9 @@ func TestApiFileUpload(t *testing.T) {
}
func TestApiFileUploadWithRootFile(t *testing.T) {
testFileSystem(t, func(fs *FileSystem) {
testFileSystem(t, func(fs *FileSystem, toEncrypt bool) {
api := fs.api
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0", "index.html"), "index.html")
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0", "index.html"), "index.html", toEncrypt)
if err != nil {
t.Errorf("unexpected error: %v", err)
return

23
swarm/api/http/server.go
View file

@ -124,19 +124,30 @@ func (s *Server) HandlePostRaw(w http.ResponseWriter, r *Request) {
log.Debug("handle.post.raw", "ruid", r.ruid)
postRawCount.Inc(1)
toEncrypt := false
if r.uri.Addr == "encrypt" {
toEncrypt = true
}
if r.uri.Path != "" {
postRawFail.Inc(1)
Respond(w, r, "raw POST request cannot contain a path", http.StatusBadRequest)
return
}
if r.uri.Addr != "" && r.uri.Addr != "encrypt" {
postRawFail.Inc(1)
Respond(w, r, "raw POST request addr can only be empty or \"encrypt\"", http.StatusBadRequest)
return
}
if r.Header.Get("Content-Length") == "" {
postRawFail.Inc(1)
Respond(w, r, "missing Content-Length header in request", http.StatusBadRequest)
return
}
key, _, err := s.api.Store(r.Body, r.ContentLength)
key, _, err := s.api.Store(r.Body, r.ContentLength, toEncrypt)
if err != nil {
postRawFail.Inc(1)
Respond(w, r, err.Error(), http.StatusInternalServerError)
@ -176,7 +187,7 @@ func (s *Server) HandlePostFiles(w http.ResponseWriter, r *Request) {
}
log.Debug("resolved key", "ruid", r.ruid, "key", key)
} else {
key, err = s.api.NewManifest()
key, err = s.api.NewManifest(false)
if err != nil {
postFilesFail.Inc(1)
Respond(w, r, err.Error(), http.StatusInternalServerError)
@ -365,7 +376,7 @@ func (s *Server) HandlePostResource(w http.ResponseWriter, r *Request) {
Respond(w, r, err2.Error(), code)
return
}
m, err := s.api.NewResourceManifest(r.uri.Addr)
m, err := s.api.NewResourceManifest(r.uri.Addr, false)
if err != nil {
Respond(w, r, fmt.Sprintf("failed to create resource manifest: %v", err), http.StatusInternalServerError)
return
@ -840,14 +851,18 @@ func (s *Server) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
req.uri = uri
log.Debug("parsed request path", "ruid", req.ruid, "method", req.Method, "uri", req.uri)
log.Debug("parsed request path", "uri.Addr", req.uri.Addr, "uri.path", req.uri.Path, "uri.Scheme", req.uri.Scheme)
switch r.Method {
case "POST":
if uri.Raw() || uri.DeprecatedRaw() {
log.Debug("handlePostRaw")
s.HandlePostRaw(w, req)
} else if uri.Resource() {
log.Debug("handlePostResource")
s.HandlePostResource(w, req)
} else {
log.Debug("handlePostFiles")
s.HandlePostFiles(w, req)
}

6
swarm/api/http/server_test.go
View file

@ -218,7 +218,11 @@ func TestBzzResource(t *testing.T) {
}
func TestBzzGetPath(t *testing.T) {
// testBzzGetPath(false, t)
testBzzGetPath(true, t)
}
func testBzzGetPath(encrypted bool, t *testing.T) {
var err error
testmanifest := []string{
@ -246,7 +250,7 @@ func TestBzzGetPath(t *testing.T) {
for i, mf := range testmanifest {
reader[i] = bytes.NewReader([]byte(mf))
var wait func()
key[i], wait, err = srv.Dpa.Store(reader[i], int64(len(mf)), false)
key[i], wait, err = srv.Dpa.Store(reader[i], int64(len(mf)), encrypted)
if err != nil {
t.Fatal(err)
}

13
swarm/api/manifest.go
View file

@ -59,20 +59,20 @@ type ManifestList struct {
}
// NewManifest creates and stores a new, empty manifest
func (a *Api) NewManifest() (storage.Key, error) {
func (a *Api) NewManifest(toEncrypt bool) (storage.Key, error) {
var manifest Manifest
data, err := json.Marshal(&manifest)
if err != nil {
return nil, err
}
key, wait, err := a.Store(bytes.NewReader(data), int64(len(data)))
key, wait, err := a.Store(bytes.NewReader(data), int64(len(data)), toEncrypt)
wait()
return key, err
}
// Manifest hack for supporting Mutable Resource Updates from the bzz: scheme
// see swarm/api/api.go:Api.Get() for more information
func (a *Api) NewResourceManifest(resourceKey string) (storage.Key, error) {
func (a *Api) NewResourceManifest(resourceKey string, toEncrypt bool) (storage.Key, error) {
var manifest Manifest
entry := ManifestEntry{
Hash: resourceKey,
@ -83,7 +83,7 @@ func (a *Api) NewResourceManifest(resourceKey string) (storage.Key, error) {
if err != nil {
return nil, err
}
key, _, err := a.Store(bytes.NewReader(data), int64(len(data)))
key, _, err := a.Store(bytes.NewReader(data), int64(len(data)), toEncrypt)
return key, err
}
@ -104,7 +104,10 @@ func (a *Api) NewManifestWriter(key storage.Key, quitC chan bool) (*ManifestWrit
// AddEntry stores the given data and adds the resulting key to the manifest
func (m *ManifestWriter) AddEntry(data io.Reader, e *ManifestEntry) (storage.Key, error) {
key, _, err := m.api.Store(data, e.Size)
toEncrypt := (len(m.trie.hash) > m.trie.dpa.HashSize())
key, _, err := m.api.Store(data, e.Size, toEncrypt)
if err != nil {
return nil, err
}

4
swarm/api/storage.go
View file

@ -45,8 +45,8 @@ func NewStorage(api *Api) *Storage {
// its content type
//
// DEPRECATED: Use the HTTP API instead
func (self *Storage) Put(content, contentType string) (storage.Key, func(), error) {
return self.api.Put(content, contentType)
func (self *Storage) Put(content, contentType string, toEncrypt bool) (storage.Key, func(), error) {
return self.api.Put(content, contentType, toEncrypt)
}
// Get retrieves the content from bzzpath and reads the response in full

10
swarm/api/storage_test.go
View file

@ -20,18 +20,18 @@ import (
"testing"
)
func testStorage(t *testing.T, f func(*Storage)) {
testApi(t, func(api *Api) {
f(NewStorage(api))
func testStorage(t *testing.T, f func(*Storage, bool)) {
testApi(t, func(api *Api, toEncrypt bool) {
f(NewStorage(api), toEncrypt)
})
}
func TestStoragePutGet(t *testing.T) {
testStorage(t, func(api *Storage) {
testStorage(t, func(api *Storage, toEncrypt bool) {
content := "hello"
exp := expResponse(content, "text/plain", 0)
// exp := expResponse([]byte(content), "text/plain", 0)
bzzkey, wait, err := api.Put(content, exp.MimeType)
bzzkey, wait, err := api.Put(content, exp.MimeType, toEncrypt)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}

912
swarm/fuse/swarmfs_test.go
View file

File diff suppressed because it is too large Load diff

4
swarm/storage/dpa.go
View file

@ -100,3 +100,7 @@ func (self *DPA) Store(data io.Reader, size int64, toEncrypt bool) (key Key, wai
putter := NewHasherStore(self.ChunkStore, self.hashFunc, toEncrypt)
return PyramidSplit(data, putter, putter)
}
func (self *DPA) HashSize() int {
return self.hashFunc().Size()
}