diff options
-rw-r--r-- | whisper/whisperv5/api.go | 561 | ||||
-rw-r--r-- | whisper/whisperv5/benchmarks_test.go | 206 | ||||
-rw-r--r-- | whisper/whisperv5/config.go | 27 | ||||
-rw-r--r-- | whisper/whisperv5/doc.go | 87 | ||||
-rw-r--r-- | whisper/whisperv5/envelope.go | 246 | ||||
-rw-r--r-- | whisper/whisperv5/filter.go | 243 | ||||
-rw-r--r-- | whisper/whisperv5/filter_test.go | 848 | ||||
-rw-r--r-- | whisper/whisperv5/gen_criteria_json.go | 64 | ||||
-rw-r--r-- | whisper/whisperv5/gen_message_json.go | 82 | ||||
-rw-r--r-- | whisper/whisperv5/gen_newmessage_json.go | 88 | ||||
-rw-r--r-- | whisper/whisperv5/message.go | 352 | ||||
-rw-r--r-- | whisper/whisperv5/message_test.go | 415 | ||||
-rw-r--r-- | whisper/whisperv5/peer.go | 174 | ||||
-rw-r--r-- | whisper/whisperv5/peer_test.go | 297 | ||||
-rw-r--r-- | whisper/whisperv5/topic.go | 55 | ||||
-rw-r--r-- | whisper/whisperv5/topic_test.go | 134 | ||||
-rw-r--r-- | whisper/whisperv5/whisper.go | 855 | ||||
-rw-r--r-- | whisper/whisperv5/whisper_test.go | 858 |
18 files changed, 0 insertions, 5592 deletions
diff --git a/whisper/whisperv5/api.go b/whisper/whisperv5/api.go deleted file mode 100644 index 7d963df8d..000000000 --- a/whisper/whisperv5/api.go +++ /dev/null @@ -1,561 +0,0 @@ -// Copyright 2016 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 whisperv5 - -import ( - "context" - "crypto/ecdsa" - "errors" - "fmt" - "sync" - "time" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/hexutil" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/log" - "github.com/ethereum/go-ethereum/p2p/enode" - "github.com/ethereum/go-ethereum/rpc" -) - -var ( - ErrSymAsym = errors.New("specify either a symmetric or an asymmetric key") - ErrInvalidSymmetricKey = errors.New("invalid symmetric key") - ErrInvalidPublicKey = errors.New("invalid public key") - ErrInvalidSigningPubKey = errors.New("invalid signing public key") - ErrTooLowPoW = errors.New("message rejected, PoW too low") - ErrNoTopics = errors.New("missing topic(s)") -) - -// PublicWhisperAPI provides the whisper RPC service that can be -// use publicly without security implications. -type PublicWhisperAPI struct { - w *Whisper - - mu sync.Mutex - lastUsed map[string]time.Time // keeps track when a filter was polled for the last time. -} - -// NewPublicWhisperAPI create a new RPC whisper service. -func NewPublicWhisperAPI(w *Whisper) *PublicWhisperAPI { - api := &PublicWhisperAPI{ - w: w, - lastUsed: make(map[string]time.Time), - } - return api -} - -// Version returns the Whisper sub-protocol version. -func (api *PublicWhisperAPI) Version(ctx context.Context) string { - return ProtocolVersionStr -} - -// Info contains diagnostic information. -type Info struct { - Memory int `json:"memory"` // Memory size of the floating messages in bytes. - Messages int `json:"messages"` // Number of floating messages. - MinPow float64 `json:"minPow"` // Minimal accepted PoW - MaxMessageSize uint32 `json:"maxMessageSize"` // Maximum accepted message size -} - -// Info returns diagnostic information about the whisper node. -func (api *PublicWhisperAPI) Info(ctx context.Context) Info { - stats := api.w.Stats() - return Info{ - Memory: stats.memoryUsed, - Messages: len(api.w.messageQueue) + len(api.w.p2pMsgQueue), - MinPow: api.w.MinPow(), - MaxMessageSize: api.w.MaxMessageSize(), - } -} - -// SetMaxMessageSize sets the maximum message size that is accepted. -// Upper limit is defined in whisperv5.MaxMessageSize. -func (api *PublicWhisperAPI) SetMaxMessageSize(ctx context.Context, size uint32) (bool, error) { - return true, api.w.SetMaxMessageSize(size) -} - -// SetMinPoW sets the minimum PoW for a message before it is accepted. -func (api *PublicWhisperAPI) SetMinPoW(ctx context.Context, pow float64) (bool, error) { - return true, api.w.SetMinimumPoW(pow) -} - -// MarkTrustedPeer marks a peer trusted. , which will allow it to send historic (expired) messages. -// Note: This function is not adding new nodes, the node needs to exists as a peer. -func (api *PublicWhisperAPI) MarkTrustedPeer(ctx context.Context, url string) (bool, error) { - n, err := enode.ParseV4(url) - if err != nil { - return false, err - } - return true, api.w.AllowP2PMessagesFromPeer(n.ID().Bytes()) -} - -// NewKeyPair generates a new public and private key pair for message decryption and encryption. -// It returns an ID that can be used to refer to the keypair. -func (api *PublicWhisperAPI) NewKeyPair(ctx context.Context) (string, error) { - return api.w.NewKeyPair() -} - -// AddPrivateKey imports the given private key. -func (api *PublicWhisperAPI) AddPrivateKey(ctx context.Context, privateKey hexutil.Bytes) (string, error) { - key, err := crypto.ToECDSA(privateKey) - if err != nil { - return "", err - } - return api.w.AddKeyPair(key) -} - -// DeleteKeyPair removes the key with the given key if it exists. -func (api *PublicWhisperAPI) DeleteKeyPair(ctx context.Context, key string) (bool, error) { - if ok := api.w.DeleteKeyPair(key); ok { - return true, nil - } - return false, fmt.Errorf("key pair %s not found", key) -} - -// HasKeyPair returns an indication if the node has a key pair that is associated with the given id. -func (api *PublicWhisperAPI) HasKeyPair(ctx context.Context, id string) bool { - return api.w.HasKeyPair(id) -} - -// GetPublicKey returns the public key associated with the given key. The key is the hex -// encoded representation of a key in the form specified in section 4.3.6 of ANSI X9.62. -func (api *PublicWhisperAPI) GetPublicKey(ctx context.Context, id string) (hexutil.Bytes, error) { - key, err := api.w.GetPrivateKey(id) - if err != nil { - return hexutil.Bytes{}, err - } - return crypto.FromECDSAPub(&key.PublicKey), nil -} - -// GetPrivateKey returns the private key associated with the given key. The key is the hex -// encoded representation of a key in the form specified in section 4.3.6 of ANSI X9.62. -func (api *PublicWhisperAPI) GetPrivateKey(ctx context.Context, id string) (hexutil.Bytes, error) { - key, err := api.w.GetPrivateKey(id) - if err != nil { - return hexutil.Bytes{}, err - } - return crypto.FromECDSA(key), nil -} - -// NewSymKey generate a random symmetric key. -// It returns an ID that can be used to refer to the key. -// Can be used encrypting and decrypting messages where the key is known to both parties. -func (api *PublicWhisperAPI) NewSymKey(ctx context.Context) (string, error) { - return api.w.GenerateSymKey() -} - -// AddSymKey import a symmetric key. -// It returns an ID that can be used to refer to the key. -// Can be used encrypting and decrypting messages where the key is known to both parties. -func (api *PublicWhisperAPI) AddSymKey(ctx context.Context, key hexutil.Bytes) (string, error) { - return api.w.AddSymKeyDirect([]byte(key)) -} - -// GenerateSymKeyFromPassword derive a key from the given password, stores it, and returns its ID. -func (api *PublicWhisperAPI) GenerateSymKeyFromPassword(ctx context.Context, passwd string) (string, error) { - return api.w.AddSymKeyFromPassword(passwd) -} - -// HasSymKey returns an indication if the node has a symmetric key associated with the given key. -func (api *PublicWhisperAPI) HasSymKey(ctx context.Context, id string) bool { - return api.w.HasSymKey(id) -} - -// GetSymKey returns the symmetric key associated with the given id. -func (api *PublicWhisperAPI) GetSymKey(ctx context.Context, id string) (hexutil.Bytes, error) { - return api.w.GetSymKey(id) -} - -// DeleteSymKey deletes the symmetric key that is associated with the given id. -func (api *PublicWhisperAPI) DeleteSymKey(ctx context.Context, id string) bool { - return api.w.DeleteSymKey(id) -} - -//go:generate gencodec -type NewMessage -field-override newMessageOverride -out gen_newmessage_json.go - -// NewMessage represents a new whisper message that is posted through the RPC. -type NewMessage struct { - SymKeyID string `json:"symKeyID"` - PublicKey []byte `json:"pubKey"` - Sig string `json:"sig"` - TTL uint32 `json:"ttl"` - Topic TopicType `json:"topic"` - Payload []byte `json:"payload"` - Padding []byte `json:"padding"` - PowTime uint32 `json:"powTime"` - PowTarget float64 `json:"powTarget"` - TargetPeer string `json:"targetPeer"` -} - -type newMessageOverride struct { - PublicKey hexutil.Bytes - Payload hexutil.Bytes - Padding hexutil.Bytes -} - -// Post a message on the Whisper network. -func (api *PublicWhisperAPI) Post(ctx context.Context, req NewMessage) (bool, error) { - var ( - symKeyGiven = len(req.SymKeyID) > 0 - pubKeyGiven = len(req.PublicKey) > 0 - err error - ) - - // user must specify either a symmetric or an asymmetric key - if (symKeyGiven && pubKeyGiven) || (!symKeyGiven && !pubKeyGiven) { - return false, ErrSymAsym - } - - params := &MessageParams{ - TTL: req.TTL, - Payload: req.Payload, - Padding: req.Padding, - WorkTime: req.PowTime, - PoW: req.PowTarget, - Topic: req.Topic, - } - - // Set key that is used to sign the message - if len(req.Sig) > 0 { - if params.Src, err = api.w.GetPrivateKey(req.Sig); err != nil { - return false, err - } - } - - // Set symmetric key that is used to encrypt the message - if symKeyGiven { - if params.Topic == (TopicType{}) { // topics are mandatory with symmetric encryption - return false, ErrNoTopics - } - if params.KeySym, err = api.w.GetSymKey(req.SymKeyID); err != nil { - return false, err - } - if !validateSymmetricKey(params.KeySym) { - return false, ErrInvalidSymmetricKey - } - } - - // Set asymmetric key that is used to encrypt the message - if pubKeyGiven { - if params.Dst, err = crypto.UnmarshalPubkey(req.PublicKey); err != nil { - return false, ErrInvalidPublicKey - } - } - - // encrypt and sent message - whisperMsg, err := NewSentMessage(params) - if err != nil { - return false, err - } - - env, err := whisperMsg.Wrap(params) - if err != nil { - return false, err - } - - // send to specific node (skip PoW check) - if len(req.TargetPeer) > 0 { - n, err := enode.ParseV4(req.TargetPeer) - if err != nil { - return false, fmt.Errorf("failed to parse target peer: %s", err) - } - return true, api.w.SendP2PMessage(n.ID().Bytes(), env) - } - - // ensure that the message PoW meets the node's minimum accepted PoW - if req.PowTarget < api.w.MinPow() { - return false, ErrTooLowPoW - } - - return true, api.w.Send(env) -} - -//go:generate gencodec -type Criteria -field-override criteriaOverride -out gen_criteria_json.go - -// Criteria holds various filter options for inbound messages. -type Criteria struct { - SymKeyID string `json:"symKeyID"` - PrivateKeyID string `json:"privateKeyID"` - Sig []byte `json:"sig"` - MinPow float64 `json:"minPow"` - Topics []TopicType `json:"topics"` - AllowP2P bool `json:"allowP2P"` -} - -type criteriaOverride struct { - Sig hexutil.Bytes -} - -// Messages set up a subscription that fires events when messages arrive that match -// the given set of criteria. -func (api *PublicWhisperAPI) Messages(ctx context.Context, crit Criteria) (*rpc.Subscription, error) { - var ( - symKeyGiven = len(crit.SymKeyID) > 0 - pubKeyGiven = len(crit.PrivateKeyID) > 0 - err error - ) - - // ensure that the RPC connection supports subscriptions - notifier, supported := rpc.NotifierFromContext(ctx) - if !supported { - return nil, rpc.ErrNotificationsUnsupported - } - - // user must specify either a symmetric or an asymmetric key - if (symKeyGiven && pubKeyGiven) || (!symKeyGiven && !pubKeyGiven) { - return nil, ErrSymAsym - } - - filter := Filter{ - PoW: crit.MinPow, - Messages: make(map[common.Hash]*ReceivedMessage), - AllowP2P: crit.AllowP2P, - } - - if len(crit.Sig) > 0 { - if filter.Src, err = crypto.UnmarshalPubkey(crit.Sig); err != nil { - return nil, ErrInvalidSigningPubKey - } - } - - for i, bt := range crit.Topics { - if len(bt) == 0 || len(bt) > 4 { - return nil, fmt.Errorf("subscribe: topic %d has wrong size: %d", i, len(bt)) - } - filter.Topics = append(filter.Topics, bt[:]) - } - - // listen for message that are encrypted with the given symmetric key - if symKeyGiven { - if len(filter.Topics) == 0 { - return nil, ErrNoTopics - } - key, err := api.w.GetSymKey(crit.SymKeyID) - if err != nil { - return nil, err - } - if !validateSymmetricKey(key) { - return nil, ErrInvalidSymmetricKey - } - filter.KeySym = key - filter.SymKeyHash = crypto.Keccak256Hash(filter.KeySym) - } - - // listen for messages that are encrypted with the given public key - if pubKeyGiven { - filter.KeyAsym, err = api.w.GetPrivateKey(crit.PrivateKeyID) - if err != nil || filter.KeyAsym == nil { - return nil, ErrInvalidPublicKey - } - } - - id, err := api.w.Subscribe(&filter) - if err != nil { - return nil, err - } - - // create subscription and start waiting for message events - rpcSub := notifier.CreateSubscription() - go func() { - // for now poll internally, refactor whisper internal for channel support - ticker := time.NewTicker(250 * time.Millisecond) - defer ticker.Stop() - - for { - select { - case <-ticker.C: - if filter := api.w.GetFilter(id); filter != nil { - for _, rpcMessage := range toMessage(filter.Retrieve()) { - if err := notifier.Notify(rpcSub.ID, rpcMessage); err != nil { - log.Error("Failed to send notification", "err", err) - } - } - } - case <-rpcSub.Err(): - api.w.Unsubscribe(id) - return - case <-notifier.Closed(): - api.w.Unsubscribe(id) - return - } - } - }() - - return rpcSub, nil -} - -//go:generate gencodec -type Message -field-override messageOverride -out gen_message_json.go - -// Message is the RPC representation of a whisper message. -type Message struct { - Sig []byte `json:"sig,omitempty"` - TTL uint32 `json:"ttl"` - Timestamp uint32 `json:"timestamp"` - Topic TopicType `json:"topic"` - Payload []byte `json:"payload"` - Padding []byte `json:"padding"` - PoW float64 `json:"pow"` - Hash []byte `json:"hash"` - Dst []byte `json:"recipientPublicKey,omitempty"` -} - -type messageOverride struct { - Sig hexutil.Bytes - Payload hexutil.Bytes - Padding hexutil.Bytes - Hash hexutil.Bytes - Dst hexutil.Bytes -} - -// ToWhisperMessage converts an internal message into an API version. -func ToWhisperMessage(message *ReceivedMessage) *Message { - msg := Message{ - Payload: message.Payload, - Padding: message.Padding, - Timestamp: message.Sent, - TTL: message.TTL, - PoW: message.PoW, - Hash: message.EnvelopeHash.Bytes(), - Topic: message.Topic, - } - - if message.Dst != nil { - b := crypto.FromECDSAPub(message.Dst) - if b != nil { - msg.Dst = b - } - } - - if isMessageSigned(message.Raw[0]) { - b := crypto.FromECDSAPub(message.SigToPubKey()) - if b != nil { - msg.Sig = b - } - } - - return &msg -} - -// toMessage converts a set of messages to its RPC representation. -func toMessage(messages []*ReceivedMessage) []*Message { - msgs := make([]*Message, len(messages)) - for i, msg := range messages { - msgs[i] = ToWhisperMessage(msg) - } - return msgs -} - -// GetFilterMessages returns the messages that match the filter criteria and -// are received between the last poll and now. -func (api *PublicWhisperAPI) GetFilterMessages(id string) ([]*Message, error) { - api.mu.Lock() - f := api.w.GetFilter(id) - if f == nil { - api.mu.Unlock() - return nil, fmt.Errorf("filter not found") - } - api.lastUsed[id] = time.Now() - api.mu.Unlock() - - receivedMessages := f.Retrieve() - messages := make([]*Message, 0, len(receivedMessages)) - for _, msg := range receivedMessages { - messages = append(messages, ToWhisperMessage(msg)) - } - - return messages, nil -} - -// DeleteMessageFilter deletes a filter. -func (api *PublicWhisperAPI) DeleteMessageFilter(id string) (bool, error) { - api.mu.Lock() - defer api.mu.Unlock() - - delete(api.lastUsed, id) - return true, api.w.Unsubscribe(id) -} - -// NewMessageFilter creates a new filter that can be used to poll for -// (new) messages that satisfy the given criteria. -func (api *PublicWhisperAPI) NewMessageFilter(req Criteria) (string, error) { - var ( - src *ecdsa.PublicKey - keySym []byte - keyAsym *ecdsa.PrivateKey - topics [][]byte - - symKeyGiven = len(req.SymKeyID) > 0 - asymKeyGiven = len(req.PrivateKeyID) > 0 - - err error - ) - - // user must specify either a symmetric or an asymmetric key - if (symKeyGiven && asymKeyGiven) || (!symKeyGiven && !asymKeyGiven) { - return "", ErrSymAsym - } - - if len(req.Sig) > 0 { - if src, err = crypto.UnmarshalPubkey(req.Sig); err != nil { - return "", ErrInvalidSigningPubKey - } - } - - if symKeyGiven { - if keySym, err = api.w.GetSymKey(req.SymKeyID); err != nil { - return "", err - } - if !validateSymmetricKey(keySym) { - return "", ErrInvalidSymmetricKey - } - } - - if asymKeyGiven { - if keyAsym, err = api.w.GetPrivateKey(req.PrivateKeyID); err != nil { - return "", err - } - } - - if len(req.Topics) > 0 { - topics = make([][]byte, 0, len(req.Topics)) - for _, topic := range req.Topics { - topics = append(topics, topic[:]) - } - } - - f := &Filter{ - Src: src, - KeySym: keySym, - KeyAsym: keyAsym, - PoW: req.MinPow, - AllowP2P: req.AllowP2P, - Topics: topics, - Messages: make(map[common.Hash]*ReceivedMessage), - } - - id, err := api.w.Subscribe(f) - if err != nil { - return "", err - } - - api.mu.Lock() - api.lastUsed[id] = time.Now() - api.mu.Unlock() - - return id, nil -} diff --git a/whisper/whisperv5/benchmarks_test.go b/whisper/whisperv5/benchmarks_test.go deleted file mode 100644 index dcfbcb56d..000000000 --- a/whisper/whisperv5/benchmarks_test.go +++ /dev/null @@ -1,206 +0,0 @@ -// Copyright 2016 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 whisperv5 - -import ( - "testing" - - "github.com/ethereum/go-ethereum/crypto" -) - -func BenchmarkDeriveKeyMaterial(b *testing.B) { - for i := 0; i < b.N; i++ { - deriveKeyMaterial([]byte("test"), 0) - } -} - -func BenchmarkEncryptionSym(b *testing.B) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - for i := 0; i < b.N; i++ { - msg, _ := NewSentMessage(params) - _, err := msg.Wrap(params) - if err != nil { - b.Errorf("failed Wrap with seed %d: %s.", seed, err) - b.Errorf("i = %d, len(msg.Raw) = %d, params.Payload = %d.", i, len(msg.Raw), len(params.Payload)) - return - } - } -} - -func BenchmarkEncryptionAsym(b *testing.B) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - key, err := crypto.GenerateKey() - if err != nil { - b.Fatalf("failed GenerateKey with seed %d: %s.", seed, err) - } - params.KeySym = nil - params.Dst = &key.PublicKey - - for i := 0; i < b.N; i++ { - msg, _ := NewSentMessage(params) - _, err := msg.Wrap(params) - if err != nil { - b.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - } -} - -func BenchmarkDecryptionSymValid(b *testing.B) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - msg, _ := NewSentMessage(params) - env, err := msg.Wrap(params) - if err != nil { - b.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - f := Filter{KeySym: params.KeySym} - - for i := 0; i < b.N; i++ { - msg := env.Open(&f) - if msg == nil { - b.Fatalf("failed to open with seed %d.", seed) - } - } -} - -func BenchmarkDecryptionSymInvalid(b *testing.B) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - msg, _ := NewSentMessage(params) - env, err := msg.Wrap(params) - if err != nil { - b.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - f := Filter{KeySym: []byte("arbitrary stuff here")} - - for i := 0; i < b.N; i++ { - msg := env.Open(&f) - if msg != nil { - b.Fatalf("opened envelope with invalid key, seed: %d.", seed) - } - } -} - -func BenchmarkDecryptionAsymValid(b *testing.B) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - key, err := crypto.GenerateKey() - if err != nil { - b.Fatalf("failed GenerateKey with seed %d: %s.", seed, err) - } - f := Filter{KeyAsym: key} - params.KeySym = nil - params.Dst = &key.PublicKey - msg, _ := NewSentMessage(params) - env, err := msg.Wrap(params) - if err != nil { - b.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - for i := 0; i < b.N; i++ { - msg := env.Open(&f) - if msg == nil { - b.Fatalf("fail to open, seed: %d.", seed) - } - } -} - -func BenchmarkDecryptionAsymInvalid(b *testing.B) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - key, err := crypto.GenerateKey() - if err != nil { - b.Fatalf("failed GenerateKey with seed %d: %s.", seed, err) - } - params.KeySym = nil - params.Dst = &key.PublicKey - msg, _ := NewSentMessage(params) - env, err := msg.Wrap(params) - if err != nil { - b.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - key, err = crypto.GenerateKey() - if err != nil { - b.Fatalf("failed GenerateKey with seed %d: %s.", seed, err) - } - f := Filter{KeyAsym: key} - - for i := 0; i < b.N; i++ { - msg := env.Open(&f) - if msg != nil { - b.Fatalf("opened envelope with invalid key, seed: %d.", seed) - } - } -} - -func increment(x []byte) { - for i := 0; i < len(x); i++ { - x[i]++ - if x[i] != 0 { - break - } - } -} - -func BenchmarkPoW(b *testing.B) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - params.Payload = make([]byte, 32) - params.PoW = 10.0 - params.TTL = 1 - - for i := 0; i < b.N; i++ { - increment(params.Payload) - msg, _ := NewSentMessage(params) - _, err := msg.Wrap(params) - if err != nil { - b.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - } -} diff --git a/whisper/whisperv5/config.go b/whisper/whisperv5/config.go deleted file mode 100644 index fcc230704..000000000 --- a/whisper/whisperv5/config.go +++ /dev/null @@ -1,27 +0,0 @@ -// 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 whisperv5 - -type Config struct { - MaxMessageSize uint32 `toml:",omitempty"` - MinimumAcceptedPOW float64 `toml:",omitempty"` -} - -var DefaultConfig = Config{ - MaxMessageSize: DefaultMaxMessageSize, - MinimumAcceptedPOW: DefaultMinimumPoW, -} diff --git a/whisper/whisperv5/doc.go b/whisper/whisperv5/doc.go deleted file mode 100644 index 8161db8ed..000000000 --- a/whisper/whisperv5/doc.go +++ /dev/null @@ -1,87 +0,0 @@ -// Copyright 2016 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 whisperv5 implements the Whisper protocol (version 5). - -Whisper combines aspects of both DHTs and datagram messaging systems (e.g. UDP). -As such it may be likened and compared to both, not dissimilar to the -matter/energy duality (apologies to physicists for the blatant abuse of a -fundamental and beautiful natural principle). - -Whisper is a pure identity-based messaging system. Whisper provides a low-level -(non-application-specific) but easily-accessible API without being based upon -or prejudiced by the low-level hardware attributes and characteristics, -particularly the notion of singular endpoints. -*/ -package whisperv5 - -import ( - "fmt" - "time" -) - -const ( - EnvelopeVersion = uint64(0) - ProtocolVersion = uint64(5) - ProtocolVersionStr = "5.0" - ProtocolName = "shh" - - statusCode = 0 // used by whisper protocol - messagesCode = 1 // normal whisper message - p2pCode = 2 // peer-to-peer message (to be consumed by the peer, but not forwarded any further) - p2pRequestCode = 3 // peer-to-peer message, used by Dapp protocol - NumberOfMessageCodes = 64 - - paddingMask = byte(3) - signatureFlag = byte(4) - - TopicLength = 4 - signatureLength = 65 - aesKeyLength = 32 - AESNonceLength = 12 - keyIdSize = 32 - - MaxMessageSize = uint32(10 * 1024 * 1024) // maximum accepted size of a message. - DefaultMaxMessageSize = uint32(1024 * 1024) - DefaultMinimumPoW = 0.2 - - padSizeLimit = 256 // just an arbitrary number, could be changed without breaking the protocol (must not exceed 2^24) - messageQueueLimit = 1024 - - expirationCycle = time.Second - transmissionCycle = 300 * time.Millisecond - - DefaultTTL = 50 // seconds - SynchAllowance = 10 // seconds -) - -type unknownVersionError uint64 - -func (e unknownVersionError) Error() string { - return fmt.Sprintf("invalid envelope version %d", uint64(e)) -} - -// MailServer represents a mail server, capable of -// archiving the old messages for subsequent delivery -// to the peers. Any implementation must ensure that both -// functions are thread-safe. Also, they must return ASAP. -// DeliverMail should use directMessagesCode for delivery, -// in order to bypass the expiry checks. -type MailServer interface { - Archive(env *Envelope) - DeliverMail(whisperPeer *Peer, request *Envelope) -} diff --git a/whisper/whisperv5/envelope.go b/whisper/whisperv5/envelope.go deleted file mode 100644 index 169cbba9d..000000000 --- a/whisper/whisperv5/envelope.go +++ /dev/null @@ -1,246 +0,0 @@ -// Copyright 2016 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/>. - -// Contains the Whisper protocol Envelope element. - -package whisperv5 - -import ( - "crypto/ecdsa" - "encoding/binary" - "fmt" - gmath "math" - "math/big" - "time" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/math" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/crypto/ecies" - "github.com/ethereum/go-ethereum/rlp" -) - -// Envelope represents a clear-text data packet to transmit through the Whisper -// network. Its contents may or may not be encrypted and signed. -type Envelope struct { - Version []byte - Expiry uint32 - TTL uint32 - Topic TopicType - AESNonce []byte - Data []byte - EnvNonce uint64 - - pow float64 // Message-specific PoW as described in the Whisper specification. - hash common.Hash // Cached hash of the envelope to avoid rehashing every time. - // Don't access hash directly, use Hash() function instead. -} - -// size returns the size of envelope as it is sent (i.e. public fields only) -func (e *Envelope) size() int { - return 20 + len(e.Version) + len(e.AESNonce) + len(e.Data) -} - -// rlpWithoutNonce returns the RLP encoded envelope contents, except the nonce. -func (e *Envelope) rlpWithoutNonce() []byte { - res, _ := rlp.EncodeToBytes([]interface{}{e.Version, e.Expiry, e.TTL, e.Topic, e.AESNonce, e.Data}) - return res -} - -// NewEnvelope wraps a Whisper message with expiration and destination data -// included into an envelope for network forwarding. -func NewEnvelope(ttl uint32, topic TopicType, aesNonce []byte, msg *sentMessage) *Envelope { - env := Envelope{ - Version: make([]byte, 1), - Expiry: uint32(time.Now().Add(time.Second * time.Duration(ttl)).Unix()), - TTL: ttl, - Topic: topic, - AESNonce: aesNonce, - Data: msg.Raw, - EnvNonce: 0, - } - - if EnvelopeVersion < 256 { - env.Version[0] = byte(EnvelopeVersion) - } else { - panic("please increase the size of Envelope.Version before releasing this version") - } - - return &env -} - -func (e *Envelope) IsSymmetric() bool { - return len(e.AESNonce) > 0 -} - -func (e *Envelope) isAsymmetric() bool { - return !e.IsSymmetric() -} - -func (e *Envelope) Ver() uint64 { - return bytesToUintLittleEndian(e.Version) -} - -// Seal closes the envelope by spending the requested amount of time as a proof -// of work on hashing the data. -func (e *Envelope) Seal(options *MessageParams) error { - var target, bestBit int - if options.PoW == 0 { - // adjust for the duration of Seal() execution only if execution time is predefined unconditionally - e.Expiry += options.WorkTime - } else { - target = e.powToFirstBit(options.PoW) - if target < 1 { - target = 1 - } - } - - buf := make([]byte, 64) - h := crypto.Keccak256(e.rlpWithoutNonce()) - copy(buf[:32], h) - - finish := time.Now().Add(time.Duration(options.WorkTime) * time.Second).UnixNano() - for nonce := uint64(0); time.Now().UnixNano() < finish; { - for i := 0; i < 1024; i++ { - binary.BigEndian.PutUint64(buf[56:], nonce) - d := new(big.Int).SetBytes(crypto.Keccak256(buf)) - firstBit := math.FirstBitSet(d) - if firstBit > bestBit { - e.EnvNonce, bestBit = nonce, firstBit - if target > 0 && bestBit >= target { - return nil - } - } - nonce++ - } - } - - if target > 0 && bestBit < target { - return fmt.Errorf("failed to reach the PoW target, specified pow time (%d seconds) was insufficient", options.WorkTime) - } - - return nil -} - -func (e *Envelope) PoW() float64 { - if e.pow == 0 { - e.calculatePoW(0) - } - return e.pow -} - -func (e *Envelope) calculatePoW(diff uint32) { - buf := make([]byte, 64) - h := crypto.Keccak256(e.rlpWithoutNonce()) - copy(buf[:32], h) - binary.BigEndian.PutUint64(buf[56:], e.EnvNonce) - d := new(big.Int).SetBytes(crypto.Keccak256(buf)) - firstBit := math.FirstBitSet(d) - x := gmath.Pow(2, float64(firstBit)) - x /= float64(e.size()) - x /= float64(e.TTL + diff) - e.pow = x -} - -func (e *Envelope) powToFirstBit(pow float64) int { - x := pow - x *= float64(e.size()) - x *= float64(e.TTL) - bits := gmath.Log2(x) - bits = gmath.Ceil(bits) - return int(bits) -} - -// Hash returns the SHA3 hash of the envelope, calculating it if not yet done. -func (e *Envelope) Hash() common.Hash { - if (e.hash == common.Hash{}) { - encoded, _ := rlp.EncodeToBytes(e) - e.hash = crypto.Keccak256Hash(encoded) - } - return e.hash -} - -// DecodeRLP decodes an Envelope from an RLP data stream. -func (e *Envelope) DecodeRLP(s *rlp.Stream) error { - raw, err := s.Raw() - if err != nil { - return err - } - // The decoding of Envelope uses the struct fields but also needs - // to compute the hash of the whole RLP-encoded envelope. This - // type has the same structure as Envelope but is not an - // rlp.Decoder (does not implement DecodeRLP function). - // Only public members will be encoded. - type rlpenv Envelope - if err := rlp.DecodeBytes(raw, (*rlpenv)(e)); err != nil { - return err - } - e.hash = crypto.Keccak256Hash(raw) - return nil -} - -// OpenAsymmetric tries to decrypt an envelope, potentially encrypted with a particular key. -func (e *Envelope) OpenAsymmetric(key *ecdsa.PrivateKey) (*ReceivedMessage, error) { - message := &ReceivedMessage{Raw: e.Data} - err := message.decryptAsymmetric(key) - switch err { - case nil: - return message, nil - case ecies.ErrInvalidPublicKey: // addressed to somebody else - return nil, err - default: - return nil, fmt.Errorf("unable to open envelope, decrypt failed: %v", err) - } -} - -// OpenSymmetric tries to decrypt an envelope, potentially encrypted with a particular key. -func (e *Envelope) OpenSymmetric(key []byte) (msg *ReceivedMessage, err error) { - msg = &ReceivedMessage{Raw: e.Data} - err = msg.decryptSymmetric(key, e.AESNonce) - if err != nil { - msg = nil - } - return msg, err -} - -// Open tries to decrypt an envelope, and populates the message fields in case of success. -func (e *Envelope) Open(watcher *Filter) (msg *ReceivedMessage) { - if e.isAsymmetric() { - msg, _ = e.OpenAsymmetric(watcher.KeyAsym) - if msg != nil { - msg.Dst = &watcher.KeyAsym.PublicKey - } - } else if e.IsSymmetric() { - msg, _ = e.OpenSymmetric(watcher.KeySym) - if msg != nil { - msg.SymKeyHash = crypto.Keccak256Hash(watcher.KeySym) - } - } - - if msg != nil { - ok := msg.Validate() - if !ok { - return nil - } - msg.Topic = e.Topic - msg.PoW = e.PoW() - msg.TTL = e.TTL - msg.Sent = e.Expiry - e.TTL - msg.EnvelopeHash = e.Hash() - msg.EnvelopeVersion = e.Ver() - } - return msg -} diff --git a/whisper/whisperv5/filter.go b/whisper/whisperv5/filter.go deleted file mode 100644 index 9550a7e38..000000000 --- a/whisper/whisperv5/filter.go +++ /dev/null @@ -1,243 +0,0 @@ -// Copyright 2016 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 whisperv5 - -import ( - "crypto/ecdsa" - "fmt" - "sync" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/log" -) - -type Filter struct { - Src *ecdsa.PublicKey // Sender of the message - KeyAsym *ecdsa.PrivateKey // Private Key of recipient - KeySym []byte // Key associated with the Topic - Topics [][]byte // Topics to filter messages with - PoW float64 // Proof of work as described in the Whisper spec - AllowP2P bool // Indicates whether this filter is interested in direct peer-to-peer messages - SymKeyHash common.Hash // The Keccak256Hash of the symmetric key, needed for optimization - - Messages map[common.Hash]*ReceivedMessage - mutex sync.RWMutex -} - -type Filters struct { - watchers map[string]*Filter - whisper *Whisper - mutex sync.RWMutex -} - -func NewFilters(w *Whisper) *Filters { - return &Filters{ - watchers: make(map[string]*Filter), - whisper: w, - } -} - -func (fs *Filters) Install(watcher *Filter) (string, error) { - if watcher.Messages == nil { - watcher.Messages = make(map[common.Hash]*ReceivedMessage) - } - - id, err := GenerateRandomID() - if err != nil { - return "", err - } - - fs.mutex.Lock() - defer fs.mutex.Unlock() - - if fs.watchers[id] != nil { - return "", fmt.Errorf("failed to generate unique ID") - } - - if watcher.expectsSymmetricEncryption() { - watcher.SymKeyHash = crypto.Keccak256Hash(watcher.KeySym) - } - - fs.watchers[id] = watcher - return id, err -} - -func (fs *Filters) Uninstall(id string) bool { - fs.mutex.Lock() - defer fs.mutex.Unlock() - if fs.watchers[id] != nil { - delete(fs.watchers, id) - return true - } - return false -} - -func (fs *Filters) Get(id string) *Filter { - fs.mutex.RLock() - defer fs.mutex.RUnlock() - return fs.watchers[id] -} - -func (fs *Filters) NotifyWatchers(env *Envelope, p2pMessage bool) { - var msg *ReceivedMessage - - fs.mutex.RLock() - defer fs.mutex.RUnlock() - - i := -1 // only used for logging info - for _, watcher := range fs.watchers { - i++ - if p2pMessage && !watcher.AllowP2P { - log.Trace(fmt.Sprintf("msg [%x], filter [%d]: p2p messages are not allowed", env.Hash(), i)) - continue - } - - var match bool - if msg != nil { - match = watcher.MatchMessage(msg) - } else { - match = watcher.MatchEnvelope(env) - if match { - msg = env.Open(watcher) - if msg == nil { - log.Trace("processing message: failed to open", "message", env.Hash().Hex(), "filter", i) - } - } else { - log.Trace("processing message: does not match", "message", env.Hash().Hex(), "filter", i) - } - } - - if match && msg != nil { - log.Trace("processing message: decrypted", "hash", env.Hash().Hex()) - if watcher.Src == nil || IsPubKeyEqual(msg.Src, watcher.Src) { - watcher.Trigger(msg) - } - } - } -} - -func (f *Filter) processEnvelope(env *Envelope) *ReceivedMessage { - if f.MatchEnvelope(env) { - msg := env.Open(f) - if msg != nil { - return msg - } else { - log.Trace("processing envelope: failed to open", "hash", env.Hash().Hex()) - } - } else { - log.Trace("processing envelope: does not match", "hash", env.Hash().Hex()) - } - return nil -} - -func (f *Filter) expectsAsymmetricEncryption() bool { - return f.KeyAsym != nil -} - -func (f *Filter) expectsSymmetricEncryption() bool { - return f.KeySym != nil -} - -func (f *Filter) Trigger(msg *ReceivedMessage) { - f.mutex.Lock() - defer f.mutex.Unlock() - - if _, exist := f.Messages[msg.EnvelopeHash]; !exist { - f.Messages[msg.EnvelopeHash] = msg - } -} - -func (f *Filter) Retrieve() (all []*ReceivedMessage) { - f.mutex.Lock() - defer f.mutex.Unlock() - - all = make([]*ReceivedMessage, 0, len(f.Messages)) - for _, msg := range f.Messages { - all = append(all, msg) - } - - f.Messages = make(map[common.Hash]*ReceivedMessage) // delete old messages - return all -} - -func (f *Filter) MatchMessage(msg *ReceivedMessage) bool { - if f.PoW > 0 && msg.PoW < f.PoW { - return false - } - - if f.expectsAsymmetricEncryption() && msg.isAsymmetricEncryption() { - return IsPubKeyEqual(&f.KeyAsym.PublicKey, msg.Dst) && f.MatchTopic(msg.Topic) - } else if f.expectsSymmetricEncryption() && msg.isSymmetricEncryption() { - return f.SymKeyHash == msg.SymKeyHash && f.MatchTopic(msg.Topic) - } - return false -} - -func (f *Filter) MatchEnvelope(envelope *Envelope) bool { - if f.PoW > 0 && envelope.pow < f.PoW { - return false - } - - if f.expectsAsymmetricEncryption() && envelope.isAsymmetric() { - return f.MatchTopic(envelope.Topic) - } else if f.expectsSymmetricEncryption() && envelope.IsSymmetric() { - return f.MatchTopic(envelope.Topic) - } - return false -} - -func (f *Filter) MatchTopic(topic TopicType) bool { - if len(f.Topics) == 0 { - // any topic matches - return true - } - - for _, bt := range f.Topics { - if matchSingleTopic(topic, bt) { - return true - } - } - return false -} - -func matchSingleTopic(topic TopicType, bt []byte) bool { - if len(bt) > TopicLength { - bt = bt[:TopicLength] - } - - if len(bt) == 0 { - return false - } - - for j, b := range bt { - if topic[j] != b { - return false - } - } - return true -} - -func IsPubKeyEqual(a, b *ecdsa.PublicKey) bool { - if !ValidatePublicKey(a) { - return false - } else if !ValidatePublicKey(b) { - return false - } - // the curve is always the same, just compare the points - return a.X.Cmp(b.X) == 0 && a.Y.Cmp(b.Y) == 0 -} diff --git a/whisper/whisperv5/filter_test.go b/whisper/whisperv5/filter_test.go deleted file mode 100644 index 33138fb1a..000000000 --- a/whisper/whisperv5/filter_test.go +++ /dev/null @@ -1,848 +0,0 @@ -// Copyright 2016 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 whisperv5 - -import ( - "math/big" - mrand "math/rand" - "testing" - "time" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" -) - -var seed int64 - -// InitSingleTest should be called in the beginning of every -// test, which uses RNG, in order to make the tests -// reproduciblity independent of their sequence. -func InitSingleTest() { - seed = time.Now().Unix() - mrand.Seed(seed) -} - -func InitDebugTest(i int64) { - seed = i - mrand.Seed(seed) -} - -type FilterTestCase struct { - f *Filter - id string - alive bool - msgCnt int -} - -func generateFilter(t *testing.T, symmetric bool) (*Filter, error) { - var f Filter - f.Messages = make(map[common.Hash]*ReceivedMessage) - - const topicNum = 8 - f.Topics = make([][]byte, topicNum) - for i := 0; i < topicNum; i++ { - f.Topics[i] = make([]byte, 4) - mrand.Read(f.Topics[i]) - f.Topics[i][0] = 0x01 - } - - key, err := crypto.GenerateKey() - if err != nil { - t.Fatalf("generateFilter 1 failed with seed %d.", seed) - return nil, err - } - f.Src = &key.PublicKey - - if symmetric { - f.KeySym = make([]byte, aesKeyLength) - mrand.Read(f.KeySym) - f.SymKeyHash = crypto.Keccak256Hash(f.KeySym) - } else { - f.KeyAsym, err = crypto.GenerateKey() - if err != nil { - t.Fatalf("generateFilter 2 failed with seed %d.", seed) - return nil, err - } - } - - // AcceptP2P & PoW are not set - return &f, nil -} - -func generateTestCases(t *testing.T, SizeTestFilters int) []FilterTestCase { - cases := make([]FilterTestCase, SizeTestFilters) - for i := 0; i < SizeTestFilters; i++ { - f, _ := generateFilter(t, true) - cases[i].f = f - cases[i].alive = mrand.Int()&int(1) == 0 - } - return cases -} - -func TestInstallFilters(t *testing.T) { - InitSingleTest() - - const SizeTestFilters = 256 - w := New(&Config{}) - filters := NewFilters(w) - tst := generateTestCases(t, SizeTestFilters) - - var err error - var j string - for i := 0; i < SizeTestFilters; i++ { - j, err = filters.Install(tst[i].f) - if err != nil { - t.Fatalf("seed %d: failed to install filter: %s", seed, err) - } - tst[i].id = j - if len(j) != keyIdSize*2 { - t.Fatalf("seed %d: wrong filter id size [%d]", seed, len(j)) - } - } - - for _, testCase := range tst { - if !testCase.alive { - filters.Uninstall(testCase.id) - } - } - - for i, testCase := range tst { - fil := filters.Get(testCase.id) - exist := fil != nil - if exist != testCase.alive { - t.Fatalf("seed %d: failed alive: %d, %v, %v", seed, i, exist, testCase.alive) - } - if exist && fil.PoW != testCase.f.PoW { - t.Fatalf("seed %d: failed Get: %d, %v, %v", seed, i, exist, testCase.alive) - } - } -} - -func TestInstallSymKeyGeneratesHash(t *testing.T) { - InitSingleTest() - - w := New(&Config{}) - filters := NewFilters(w) - filter, _ := generateFilter(t, true) - - // save the current SymKeyHash for comparison - initialSymKeyHash := filter.SymKeyHash - - // ensure the SymKeyHash is invalid, for Install to recreate it - var invalid common.Hash - filter.SymKeyHash = invalid - - _, err := filters.Install(filter) - - if err != nil { - t.Fatalf("Error installing the filter: %s", err) - } - - for i, b := range filter.SymKeyHash { - if b != initialSymKeyHash[i] { - t.Fatalf("The filter's symmetric key hash was not properly generated by Install") - } - } -} - -func TestInstallIdenticalFilters(t *testing.T) { - InitSingleTest() - - w := New(&Config{}) - filters := NewFilters(w) - filter1, _ := generateFilter(t, true) - - // Copy the first filter since some of its fields - // are randomly gnerated. - filter2 := &Filter{ - KeySym: filter1.KeySym, - Topics: filter1.Topics, - PoW: filter1.PoW, - AllowP2P: filter1.AllowP2P, - Messages: make(map[common.Hash]*ReceivedMessage), - } - - _, err := filters.Install(filter1) - - if err != nil { - t.Fatalf("Error installing the first filter with seed %d: %s", seed, err) - } - - _, err = filters.Install(filter2) - - if err != nil { - t.Fatalf("Error installing the second filter with seed %d: %s", seed, err) - } - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("Error generating message parameters with seed %d: %s", seed, err) - } - - params.KeySym = filter1.KeySym - params.Topic = BytesToTopic(filter1.Topics[0]) - - filter1.Src = ¶ms.Src.PublicKey - filter2.Src = ¶ms.Src.PublicKey - - sentMessage, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := sentMessage.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - msg := env.Open(filter1) - if msg == nil { - t.Fatalf("failed to Open with filter1") - } - - if !filter1.MatchEnvelope(env) { - t.Fatalf("failed matching with the first filter") - } - - if !filter2.MatchEnvelope(env) { - t.Fatalf("failed matching with the first filter") - } - - if !filter1.MatchMessage(msg) { - t.Fatalf("failed matching with the second filter") - } - - if !filter2.MatchMessage(msg) { - t.Fatalf("failed matching with the second filter") - } -} - -func TestComparePubKey(t *testing.T) { - InitSingleTest() - - key1, err := crypto.GenerateKey() - if err != nil { - t.Fatalf("failed to generate first key with seed %d: %s.", seed, err) - } - key2, err := crypto.GenerateKey() - if err != nil { - t.Fatalf("failed to generate second key with seed %d: %s.", seed, err) - } - if IsPubKeyEqual(&key1.PublicKey, &key2.PublicKey) { - t.Fatalf("public keys are equal, seed %d.", seed) - } - - // generate key3 == key1 - mrand.Seed(seed) - key3, err := crypto.GenerateKey() - if err != nil { - t.Fatalf("failed to generate third key with seed %d: %s.", seed, err) - } - if IsPubKeyEqual(&key1.PublicKey, &key3.PublicKey) { - t.Fatalf("key1 == key3, seed %d.", seed) - } -} - -func TestMatchEnvelope(t *testing.T) { - InitSingleTest() - - fsym, err := generateFilter(t, true) - if err != nil { - t.Fatalf("failed generateFilter with seed %d: %s.", seed, err) - } - - fasym, err := generateFilter(t, false) - if err != nil { - t.Fatalf("failed generateFilter() with seed %d: %s.", seed, err) - } - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - params.Topic[0] = 0xFF // ensure mismatch - - // mismatch with pseudo-random data - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - match := fsym.MatchEnvelope(env) - if match { - t.Fatalf("failed MatchEnvelope symmetric with seed %d.", seed) - } - match = fasym.MatchEnvelope(env) - if match { - t.Fatalf("failed MatchEnvelope asymmetric with seed %d.", seed) - } - - // encrypt symmetrically - i := mrand.Int() % 4 - fsym.Topics[i] = params.Topic[:] - fasym.Topics[i] = params.Topic[:] - msg, err = NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err = msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap() with seed %d: %s.", seed, err) - } - - // symmetric + matching topic: match - match = fsym.MatchEnvelope(env) - if !match { - t.Fatalf("failed MatchEnvelope() symmetric with seed %d.", seed) - } - - // asymmetric + matching topic: mismatch - match = fasym.MatchEnvelope(env) - if match { - t.Fatalf("failed MatchEnvelope() asymmetric with seed %d.", seed) - } - - // symmetric + matching topic + insufficient PoW: mismatch - fsym.PoW = env.PoW() + 1.0 - match = fsym.MatchEnvelope(env) - if match { - t.Fatalf("failed MatchEnvelope(symmetric + matching topic + insufficient PoW) asymmetric with seed %d.", seed) - } - - // symmetric + matching topic + sufficient PoW: match - fsym.PoW = env.PoW() / 2 - match = fsym.MatchEnvelope(env) - if !match { - t.Fatalf("failed MatchEnvelope(symmetric + matching topic + sufficient PoW) with seed %d.", seed) - } - - // symmetric + topics are nil (wildcard): match - prevTopics := fsym.Topics - fsym.Topics = nil - match = fsym.MatchEnvelope(env) - if !match { - t.Fatalf("failed MatchEnvelope(symmetric + topics are nil) with seed %d.", seed) - } - fsym.Topics = prevTopics - - // encrypt asymmetrically - key, err := crypto.GenerateKey() - if err != nil { - t.Fatalf("failed GenerateKey with seed %d: %s.", seed, err) - } - params.KeySym = nil - params.Dst = &key.PublicKey - msg, err = NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err = msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap() with seed %d: %s.", seed, err) - } - - // encryption method mismatch - match = fsym.MatchEnvelope(env) - if match { - t.Fatalf("failed MatchEnvelope(encryption method mismatch) with seed %d.", seed) - } - - // asymmetric + mismatching topic: mismatch - match = fasym.MatchEnvelope(env) - if !match { - t.Fatalf("failed MatchEnvelope(asymmetric + mismatching topic) with seed %d.", seed) - } - - // asymmetric + matching topic: match - fasym.Topics[i] = fasym.Topics[i+1] - match = fasym.MatchEnvelope(env) - if match { - t.Fatalf("failed MatchEnvelope(asymmetric + matching topic) with seed %d.", seed) - } - - // asymmetric + filter without topic (wildcard): match - fasym.Topics = nil - match = fasym.MatchEnvelope(env) - if !match { - t.Fatalf("failed MatchEnvelope(asymmetric + filter without topic) with seed %d.", seed) - } - - // asymmetric + insufficient PoW: mismatch - fasym.PoW = env.PoW() + 1.0 - match = fasym.MatchEnvelope(env) - if match { - t.Fatalf("failed MatchEnvelope(asymmetric + insufficient PoW) with seed %d.", seed) - } - - // asymmetric + sufficient PoW: match - fasym.PoW = env.PoW() / 2 - match = fasym.MatchEnvelope(env) - if !match { - t.Fatalf("failed MatchEnvelope(asymmetric + sufficient PoW) with seed %d.", seed) - } - - // filter without topic + envelope without topic: match - env.Topic = TopicType{} - match = fasym.MatchEnvelope(env) - if !match { - t.Fatalf("failed MatchEnvelope(filter without topic + envelope without topic) with seed %d.", seed) - } - - // filter with topic + envelope without topic: mismatch - fasym.Topics = fsym.Topics - match = fasym.MatchEnvelope(env) - if match { - t.Fatalf("failed MatchEnvelope(filter without topic + envelope without topic) with seed %d.", seed) - } -} - -func TestMatchMessageSym(t *testing.T) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - f, err := generateFilter(t, true) - if err != nil { - t.Fatalf("failed generateFilter with seed %d: %s.", seed, err) - } - - const index = 1 - params.KeySym = f.KeySym - params.Topic = BytesToTopic(f.Topics[index]) - - sentMessage, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := sentMessage.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - msg := env.Open(f) - if msg == nil { - t.Fatalf("failed Open with seed %d.", seed) - } - - // Src: match - *f.Src.X = *params.Src.PublicKey.X - *f.Src.Y = *params.Src.PublicKey.Y - if !f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(src match) with seed %d.", seed) - } - - // insufficient PoW: mismatch - f.PoW = msg.PoW + 1.0 - if f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(insufficient PoW) with seed %d.", seed) - } - - // sufficient PoW: match - f.PoW = msg.PoW / 2 - if !f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(sufficient PoW) with seed %d.", seed) - } - - // topic mismatch - f.Topics[index][0]++ - if f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(topic mismatch) with seed %d.", seed) - } - f.Topics[index][0]-- - - // key mismatch - f.SymKeyHash[0]++ - if f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(key mismatch) with seed %d.", seed) - } - f.SymKeyHash[0]-- - - // Src absent: match - f.Src = nil - if !f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(src absent) with seed %d.", seed) - } - - // key hash mismatch - h := f.SymKeyHash - f.SymKeyHash = common.Hash{} - if f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(key hash mismatch) with seed %d.", seed) - } - f.SymKeyHash = h - if !f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(key hash match) with seed %d.", seed) - } - - // encryption method mismatch - f.KeySym = nil - f.KeyAsym, err = crypto.GenerateKey() - if err != nil { - t.Fatalf("failed GenerateKey with seed %d: %s.", seed, err) - } - if f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(encryption method mismatch) with seed %d.", seed) - } -} - -func TestMatchMessageAsym(t *testing.T) { - InitSingleTest() - - f, err := generateFilter(t, false) - if err != nil { - t.Fatalf("failed generateFilter with seed %d: %s.", seed, err) - } - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - const index = 1 - params.Topic = BytesToTopic(f.Topics[index]) - params.Dst = &f.KeyAsym.PublicKey - keySymOrig := params.KeySym - params.KeySym = nil - - sentMessage, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := sentMessage.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - msg := env.Open(f) - if msg == nil { - t.Fatalf("failed to open with seed %d.", seed) - } - - // Src: match - *f.Src.X = *params.Src.PublicKey.X - *f.Src.Y = *params.Src.PublicKey.Y - if !f.MatchMessage(msg) { - t.Fatalf("failed MatchMessage(src match) with seed %d.", seed) - } - - // insufficient PoW: mismatch - f.PoW = msg.PoW + 1.0 - if f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(insufficient PoW) with seed %d.", seed) - } - - // sufficient PoW: match - f.PoW = msg.PoW / 2 - if !f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(sufficient PoW) with seed %d.", seed) - } - - // topic mismatch - f.Topics[index][0]++ - if f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(topic mismatch) with seed %d.", seed) - } - f.Topics[index][0]-- - - // key mismatch - prev := *f.KeyAsym.PublicKey.X - zero := *big.NewInt(0) - *f.KeyAsym.PublicKey.X = zero - if f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(key mismatch) with seed %d.", seed) - } - *f.KeyAsym.PublicKey.X = prev - - // Src absent: match - f.Src = nil - if !f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(src absent) with seed %d.", seed) - } - - // encryption method mismatch - f.KeySym = keySymOrig - f.KeyAsym = nil - if f.MatchMessage(msg) { - t.Fatalf("failed MatchEnvelope(encryption method mismatch) with seed %d.", seed) - } -} - -func cloneFilter(orig *Filter) *Filter { - var clone Filter - clone.Messages = make(map[common.Hash]*ReceivedMessage) - clone.Src = orig.Src - clone.KeyAsym = orig.KeyAsym - clone.KeySym = orig.KeySym - clone.Topics = orig.Topics - clone.PoW = orig.PoW - clone.AllowP2P = orig.AllowP2P - clone.SymKeyHash = orig.SymKeyHash - return &clone -} - -func generateCompatibeEnvelope(t *testing.T, f *Filter) *Envelope { - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - return nil - } - - params.KeySym = f.KeySym - params.Topic = BytesToTopic(f.Topics[2]) - sentMessage, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := sentMessage.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - return nil - } - return env -} - -func TestWatchers(t *testing.T) { - InitSingleTest() - - const NumFilters = 16 - const NumMessages = 256 - var i int - var j uint32 - var e *Envelope - var x, firstID string - var err error - - w := New(&Config{}) - filters := NewFilters(w) - tst := generateTestCases(t, NumFilters) - for i = 0; i < NumFilters; i++ { - tst[i].f.Src = nil - x, err = filters.Install(tst[i].f) - if err != nil { - t.Fatalf("failed to install filter with seed %d: %s.", seed, err) - } - tst[i].id = x - if len(firstID) == 0 { - firstID = x - } - } - - lastID := x - - var envelopes [NumMessages]*Envelope - for i = 0; i < NumMessages; i++ { - j = mrand.Uint32() % NumFilters - e = generateCompatibeEnvelope(t, tst[j].f) - envelopes[i] = e - tst[j].msgCnt++ - } - - for i = 0; i < NumMessages; i++ { - filters.NotifyWatchers(envelopes[i], false) - } - - var total int - var mail []*ReceivedMessage - var count [NumFilters]int - - for i = 0; i < NumFilters; i++ { - mail = tst[i].f.Retrieve() - count[i] = len(mail) - total += len(mail) - } - - if total != NumMessages { - t.Fatalf("failed with seed %d: total = %d, want: %d.", seed, total, NumMessages) - } - - for i = 0; i < NumFilters; i++ { - mail = tst[i].f.Retrieve() - if len(mail) != 0 { - t.Fatalf("failed with seed %d: i = %d.", seed, i) - } - - if tst[i].msgCnt != count[i] { - t.Fatalf("failed with seed %d: count[%d]: get %d, want %d.", seed, i, tst[i].msgCnt, count[i]) - } - } - - // another round with a cloned filter - - clone := cloneFilter(tst[0].f) - filters.Uninstall(lastID) - total = 0 - last := NumFilters - 1 - tst[last].f = clone - filters.Install(clone) - for i = 0; i < NumFilters; i++ { - tst[i].msgCnt = 0 - count[i] = 0 - } - - // make sure that the first watcher receives at least one message - e = generateCompatibeEnvelope(t, tst[0].f) - envelopes[0] = e - tst[0].msgCnt++ - for i = 1; i < NumMessages; i++ { - j = mrand.Uint32() % NumFilters - e = generateCompatibeEnvelope(t, tst[j].f) - envelopes[i] = e - tst[j].msgCnt++ - } - - for i = 0; i < NumMessages; i++ { - filters.NotifyWatchers(envelopes[i], false) - } - - for i = 0; i < NumFilters; i++ { - mail = tst[i].f.Retrieve() - count[i] = len(mail) - total += len(mail) - } - - combined := tst[0].msgCnt + tst[last].msgCnt - if total != NumMessages+count[0] { - t.Fatalf("failed with seed %d: total = %d, count[0] = %d.", seed, total, count[0]) - } - - if combined != count[0] { - t.Fatalf("failed with seed %d: combined = %d, count[0] = %d.", seed, combined, count[0]) - } - - if combined != count[last] { - t.Fatalf("failed with seed %d: combined = %d, count[last] = %d.", seed, combined, count[last]) - } - - for i = 1; i < NumFilters-1; i++ { - mail = tst[i].f.Retrieve() - if len(mail) != 0 { - t.Fatalf("failed with seed %d: i = %d.", seed, i) - } - - if tst[i].msgCnt != count[i] { - t.Fatalf("failed with seed %d: i = %d, get %d, want %d.", seed, i, tst[i].msgCnt, count[i]) - } - } - - // test AcceptP2P - - total = 0 - filters.NotifyWatchers(envelopes[0], true) - - for i = 0; i < NumFilters; i++ { - mail = tst[i].f.Retrieve() - total += len(mail) - } - - if total != 0 { - t.Fatalf("failed with seed %d: total: got %d, want 0.", seed, total) - } - - f := filters.Get(firstID) - if f == nil { - t.Fatalf("failed to get the filter with seed %d.", seed) - } - f.AllowP2P = true - total = 0 - filters.NotifyWatchers(envelopes[0], true) - - for i = 0; i < NumFilters; i++ { - mail = tst[i].f.Retrieve() - total += len(mail) - } - - if total != 1 { - t.Fatalf("failed with seed %d: total: got %d, want 1.", seed, total) - } -} - -func TestVariableTopics(t *testing.T) { - InitSingleTest() - - const lastTopicByte = 3 - var match bool - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - f, err := generateFilter(t, true) - if err != nil { - t.Fatalf("failed generateFilter with seed %d: %s.", seed, err) - } - - for i := 0; i < 4; i++ { - env.Topic = BytesToTopic(f.Topics[i]) - match = f.MatchEnvelope(env) - if !match { - t.Fatalf("failed MatchEnvelope symmetric with seed %d, step %d.", seed, i) - } - - f.Topics[i][lastTopicByte]++ - match = f.MatchEnvelope(env) - if match { - t.Fatalf("MatchEnvelope symmetric with seed %d, step %d: false positive.", seed, i) - } - } -} - -func TestMatchSingleTopic_ReturnTrue(t *testing.T) { - bt := []byte("test") - topic := BytesToTopic(bt) - - if !matchSingleTopic(topic, bt) { - t.FailNow() - } -} - -func TestMatchSingleTopic_WithTail_ReturnTrue(t *testing.T) { - bt := []byte("test with tail") - topic := BytesToTopic([]byte("test")) - - if !matchSingleTopic(topic, bt) { - t.FailNow() - } -} - -func TestMatchSingleTopic_PartialTopic_ReturnTrue(t *testing.T) { - bt := []byte("tes") - topic := BytesToTopic([]byte("test")) - - if !matchSingleTopic(topic, bt) { - t.FailNow() - } -} - -func TestMatchSingleTopic_NotEquals_ReturnFalse(t *testing.T) { - bt := []byte("test") - topic := BytesToTopic([]byte("not_equal")) - - if matchSingleTopic(topic, bt) { - t.FailNow() - } -} diff --git a/whisper/whisperv5/gen_criteria_json.go b/whisper/whisperv5/gen_criteria_json.go deleted file mode 100644 index 1c0e389ad..000000000 --- a/whisper/whisperv5/gen_criteria_json.go +++ /dev/null @@ -1,64 +0,0 @@ -// Code generated by github.com/fjl/gencodec. DO NOT EDIT. - -package whisperv5 - -import ( - "encoding/json" - - "github.com/ethereum/go-ethereum/common/hexutil" -) - -var _ = (*criteriaOverride)(nil) - -func (c Criteria) MarshalJSON() ([]byte, error) { - type Criteria struct { - SymKeyID string `json:"symKeyID"` - PrivateKeyID string `json:"privateKeyID"` - Sig hexutil.Bytes `json:"sig"` - MinPow float64 `json:"minPow"` - Topics []TopicType `json:"topics"` - AllowP2P bool `json:"allowP2P"` - } - var enc Criteria - enc.SymKeyID = c.SymKeyID - enc.PrivateKeyID = c.PrivateKeyID - enc.Sig = c.Sig - enc.MinPow = c.MinPow - enc.Topics = c.Topics - enc.AllowP2P = c.AllowP2P - return json.Marshal(&enc) -} - -func (c *Criteria) UnmarshalJSON(input []byte) error { - type Criteria struct { - SymKeyID *string `json:"symKeyID"` - PrivateKeyID *string `json:"privateKeyID"` - Sig *hexutil.Bytes `json:"sig"` - MinPow *float64 `json:"minPow"` - Topics []TopicType `json:"topics"` - AllowP2P *bool `json:"allowP2P"` - } - var dec Criteria - if err := json.Unmarshal(input, &dec); err != nil { - return err - } - if dec.SymKeyID != nil { - c.SymKeyID = *dec.SymKeyID - } - if dec.PrivateKeyID != nil { - c.PrivateKeyID = *dec.PrivateKeyID - } - if dec.Sig != nil { - c.Sig = *dec.Sig - } - if dec.MinPow != nil { - c.MinPow = *dec.MinPow - } - if dec.Topics != nil { - c.Topics = dec.Topics - } - if dec.AllowP2P != nil { - c.AllowP2P = *dec.AllowP2P - } - return nil -} diff --git a/whisper/whisperv5/gen_message_json.go b/whisper/whisperv5/gen_message_json.go deleted file mode 100644 index b4c4274d0..000000000 --- a/whisper/whisperv5/gen_message_json.go +++ /dev/null @@ -1,82 +0,0 @@ -// Code generated by github.com/fjl/gencodec. DO NOT EDIT. - -package whisperv5 - -import ( - "encoding/json" - - "github.com/ethereum/go-ethereum/common/hexutil" -) - -var _ = (*messageOverride)(nil) - -func (m Message) MarshalJSON() ([]byte, error) { - type Message struct { - Sig hexutil.Bytes `json:"sig,omitempty"` - TTL uint32 `json:"ttl"` - Timestamp uint32 `json:"timestamp"` - Topic TopicType `json:"topic"` - Payload hexutil.Bytes `json:"payload"` - Padding hexutil.Bytes `json:"padding"` - PoW float64 `json:"pow"` - Hash hexutil.Bytes `json:"hash"` - Dst hexutil.Bytes `json:"recipientPublicKey,omitempty"` - } - var enc Message - enc.Sig = m.Sig - enc.TTL = m.TTL - enc.Timestamp = m.Timestamp - enc.Topic = m.Topic - enc.Payload = m.Payload - enc.Padding = m.Padding - enc.PoW = m.PoW - enc.Hash = m.Hash - enc.Dst = m.Dst - return json.Marshal(&enc) -} - -func (m *Message) UnmarshalJSON(input []byte) error { - type Message struct { - Sig *hexutil.Bytes `json:"sig,omitempty"` - TTL *uint32 `json:"ttl"` - Timestamp *uint32 `json:"timestamp"` - Topic *TopicType `json:"topic"` - Payload *hexutil.Bytes `json:"payload"` - Padding *hexutil.Bytes `json:"padding"` - PoW *float64 `json:"pow"` - Hash *hexutil.Bytes `json:"hash"` - Dst *hexutil.Bytes `json:"recipientPublicKey,omitempty"` - } - var dec Message - if err := json.Unmarshal(input, &dec); err != nil { - return err - } - if dec.Sig != nil { - m.Sig = *dec.Sig - } - if dec.TTL != nil { - m.TTL = *dec.TTL - } - if dec.Timestamp != nil { - m.Timestamp = *dec.Timestamp - } - if dec.Topic != nil { - m.Topic = *dec.Topic - } - if dec.Payload != nil { - m.Payload = *dec.Payload - } - if dec.Padding != nil { - m.Padding = *dec.Padding - } - if dec.PoW != nil { - m.PoW = *dec.PoW - } - if dec.Hash != nil { - m.Hash = *dec.Hash - } - if dec.Dst != nil { - m.Dst = *dec.Dst - } - return nil -} diff --git a/whisper/whisperv5/gen_newmessage_json.go b/whisper/whisperv5/gen_newmessage_json.go deleted file mode 100644 index 97ffb64ad..000000000 --- a/whisper/whisperv5/gen_newmessage_json.go +++ /dev/null @@ -1,88 +0,0 @@ -// Code generated by github.com/fjl/gencodec. DO NOT EDIT. - -package whisperv5 - -import ( - "encoding/json" - - "github.com/ethereum/go-ethereum/common/hexutil" -) - -var _ = (*newMessageOverride)(nil) - -func (n NewMessage) MarshalJSON() ([]byte, error) { - type NewMessage struct { - SymKeyID string `json:"symKeyID"` - PublicKey hexutil.Bytes `json:"pubKey"` - Sig string `json:"sig"` - TTL uint32 `json:"ttl"` - Topic TopicType `json:"topic"` - Payload hexutil.Bytes `json:"payload"` - Padding hexutil.Bytes `json:"padding"` - PowTime uint32 `json:"powTime"` - PowTarget float64 `json:"powTarget"` - TargetPeer string `json:"targetPeer"` - } - var enc NewMessage - enc.SymKeyID = n.SymKeyID - enc.PublicKey = n.PublicKey - enc.Sig = n.Sig - enc.TTL = n.TTL - enc.Topic = n.Topic - enc.Payload = n.Payload - enc.Padding = n.Padding - enc.PowTime = n.PowTime - enc.PowTarget = n.PowTarget - enc.TargetPeer = n.TargetPeer - return json.Marshal(&enc) -} - -func (n *NewMessage) UnmarshalJSON(input []byte) error { - type NewMessage struct { - SymKeyID *string `json:"symKeyID"` - PublicKey *hexutil.Bytes `json:"pubKey"` - Sig *string `json:"sig"` - TTL *uint32 `json:"ttl"` - Topic *TopicType `json:"topic"` - Payload *hexutil.Bytes `json:"payload"` - Padding *hexutil.Bytes `json:"padding"` - PowTime *uint32 `json:"powTime"` - PowTarget *float64 `json:"powTarget"` - TargetPeer *string `json:"targetPeer"` - } - var dec NewMessage - if err := json.Unmarshal(input, &dec); err != nil { - return err - } - if dec.SymKeyID != nil { - n.SymKeyID = *dec.SymKeyID - } - if dec.PublicKey != nil { - n.PublicKey = *dec.PublicKey - } - if dec.Sig != nil { - n.Sig = *dec.Sig - } - if dec.TTL != nil { - n.TTL = *dec.TTL - } - if dec.Topic != nil { - n.Topic = *dec.Topic - } - if dec.Payload != nil { - n.Payload = *dec.Payload - } - if dec.Padding != nil { - n.Padding = *dec.Padding - } - if dec.PowTime != nil { - n.PowTime = *dec.PowTime - } - if dec.PowTarget != nil { - n.PowTarget = *dec.PowTarget - } - if dec.TargetPeer != nil { - n.TargetPeer = *dec.TargetPeer - } - return nil -} diff --git a/whisper/whisperv5/message.go b/whisper/whisperv5/message.go deleted file mode 100644 index 35711d724..000000000 --- a/whisper/whisperv5/message.go +++ /dev/null @@ -1,352 +0,0 @@ -// Copyright 2016 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/>. - -// Contains the Whisper protocol Message element. - -package whisperv5 - -import ( - "crypto/aes" - "crypto/cipher" - "crypto/ecdsa" - crand "crypto/rand" - "encoding/binary" - "errors" - "strconv" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/crypto/ecies" - "github.com/ethereum/go-ethereum/log" -) - -// MessageParams specifies the exact way a message should be wrapped into an Envelope. -type MessageParams struct { - TTL uint32 - Src *ecdsa.PrivateKey - Dst *ecdsa.PublicKey - KeySym []byte - Topic TopicType - WorkTime uint32 - PoW float64 - Payload []byte - Padding []byte -} - -// SentMessage represents an end-user data packet to transmit through the -// Whisper protocol. These are wrapped into Envelopes that need not be -// understood by intermediate nodes, just forwarded. -type sentMessage struct { - Raw []byte -} - -// ReceivedMessage represents a data packet to be received through the -// Whisper protocol. -type ReceivedMessage struct { - Raw []byte - - Payload []byte - Padding []byte - Signature []byte - - PoW float64 // Proof of work as described in the Whisper spec - Sent uint32 // Time when the message was posted into the network - TTL uint32 // Maximum time to live allowed for the message - Src *ecdsa.PublicKey // Message recipient (identity used to decode the message) - Dst *ecdsa.PublicKey // Message recipient (identity used to decode the message) - Topic TopicType - - SymKeyHash common.Hash // The Keccak256Hash of the key, associated with the Topic - EnvelopeHash common.Hash // Message envelope hash to act as a unique id - EnvelopeVersion uint64 -} - -func isMessageSigned(flags byte) bool { - return (flags & signatureFlag) != 0 -} - -func (msg *ReceivedMessage) isSymmetricEncryption() bool { - return msg.SymKeyHash != common.Hash{} -} - -func (msg *ReceivedMessage) isAsymmetricEncryption() bool { - return msg.Dst != nil -} - -// NewSentMessage creates and initializes a non-signed, non-encrypted Whisper message. -func NewSentMessage(params *MessageParams) (*sentMessage, error) { - msg := sentMessage{} - msg.Raw = make([]byte, 1, len(params.Payload)+len(params.Padding)+signatureLength+padSizeLimit) - msg.Raw[0] = 0 // set all the flags to zero - err := msg.appendPadding(params) - if err != nil { - return nil, err - } - msg.Raw = append(msg.Raw, params.Payload...) - return &msg, nil -} - -// getSizeOfLength returns the number of bytes necessary to encode the entire size padding (including these bytes) -func getSizeOfLength(b []byte) (sz int, err error) { - sz = intSize(len(b)) // first iteration - sz = intSize(len(b) + sz) // second iteration - if sz > 3 { - err = errors.New("oversized padding parameter") - } - return sz, err -} - -// sizeOfIntSize returns minimal number of bytes necessary to encode an integer value -func intSize(i int) (s int) { - for s = 1; i >= 256; s++ { - i /= 256 - } - return s -} - -// appendPadding appends the pseudorandom padding bytes and sets the padding flag. -// The last byte contains the size of padding (thus, its size must not exceed 256). -func (msg *sentMessage) appendPadding(params *MessageParams) error { - rawSize := len(params.Payload) + 1 - if params.Src != nil { - rawSize += signatureLength - } - odd := rawSize % padSizeLimit - - if len(params.Padding) != 0 { - padSize := len(params.Padding) - padLengthSize, err := getSizeOfLength(params.Padding) - if err != nil { - return err - } - totalPadSize := padSize + padLengthSize - buf := make([]byte, 8) - binary.LittleEndian.PutUint32(buf, uint32(totalPadSize)) - buf = buf[:padLengthSize] - msg.Raw = append(msg.Raw, buf...) - msg.Raw = append(msg.Raw, params.Padding...) - msg.Raw[0] |= byte(padLengthSize) // number of bytes indicating the padding size - } else if odd != 0 { - totalPadSize := padSizeLimit - odd - if totalPadSize > 255 { - // this algorithm is only valid if padSizeLimit < 256. - // if padSizeLimit will ever change, please fix the algorithm - // (please see also ReceivedMessage.extractPadding() function). - panic("please fix the padding algorithm before releasing new version") - } - buf := make([]byte, totalPadSize) - _, err := crand.Read(buf[1:]) - if err != nil { - return err - } - if totalPadSize > 6 && !validateSymmetricKey(buf) { - return errors.New("failed to generate random padding of size " + strconv.Itoa(totalPadSize)) - } - buf[0] = byte(totalPadSize) - msg.Raw = append(msg.Raw, buf...) - msg.Raw[0] |= byte(0x1) // number of bytes indicating the padding size - } - return nil -} - -// sign calculates and sets the cryptographic signature for the message, -// also setting the sign flag. -func (msg *sentMessage) sign(key *ecdsa.PrivateKey) error { - if isMessageSigned(msg.Raw[0]) { - // this should not happen, but no reason to panic - log.Error("failed to sign the message: already signed") - return nil - } - - msg.Raw[0] |= signatureFlag - hash := crypto.Keccak256(msg.Raw) - signature, err := crypto.Sign(hash, key) - if err != nil { - msg.Raw[0] &= ^signatureFlag // clear the flag - return err - } - msg.Raw = append(msg.Raw, signature...) - return nil -} - -// encryptAsymmetric encrypts a message with a public key. -func (msg *sentMessage) encryptAsymmetric(key *ecdsa.PublicKey) error { - if !ValidatePublicKey(key) { - return errors.New("invalid public key provided for asymmetric encryption") - } - encrypted, err := ecies.Encrypt(crand.Reader, ecies.ImportECDSAPublic(key), msg.Raw, nil, nil) - if err == nil { - msg.Raw = encrypted - } - return err -} - -// encryptSymmetric encrypts a message with a topic key, using AES-GCM-256. -// nonce size should be 12 bytes (see cipher.gcmStandardNonceSize). -func (msg *sentMessage) encryptSymmetric(key []byte) (nonce []byte, err error) { - if !validateSymmetricKey(key) { - return nil, errors.New("invalid key provided for symmetric encryption") - } - - block, err := aes.NewCipher(key) - if err != nil { - return nil, err - } - aesgcm, err := cipher.NewGCM(block) - if err != nil { - return nil, err - } - - // never use more than 2^32 random nonces with a given key - nonce = make([]byte, aesgcm.NonceSize()) - _, err = crand.Read(nonce) - if err != nil { - return nil, err - } else if !validateSymmetricKey(nonce) { - return nil, errors.New("crypto/rand failed to generate nonce") - } - - msg.Raw = aesgcm.Seal(nil, nonce, msg.Raw, nil) - return nonce, nil -} - -// Wrap bundles the message into an Envelope to transmit over the network. -func (msg *sentMessage) Wrap(options *MessageParams) (envelope *Envelope, err error) { - if options.TTL == 0 { - options.TTL = DefaultTTL - } - if options.Src != nil { - if err = msg.sign(options.Src); err != nil { - return nil, err - } - } - var nonce []byte - if options.Dst != nil { - err = msg.encryptAsymmetric(options.Dst) - } else if options.KeySym != nil { - nonce, err = msg.encryptSymmetric(options.KeySym) - } else { - err = errors.New("unable to encrypt the message: neither symmetric nor assymmetric key provided") - } - if err != nil { - return nil, err - } - - envelope = NewEnvelope(options.TTL, options.Topic, nonce, msg) - if err = envelope.Seal(options); err != nil { - return nil, err - } - return envelope, nil -} - -// decryptSymmetric decrypts a message with a topic key, using AES-GCM-256. -// nonce size should be 12 bytes (see cipher.gcmStandardNonceSize). -func (msg *ReceivedMessage) decryptSymmetric(key []byte, nonce []byte) error { - block, err := aes.NewCipher(key) - if err != nil { - return err - } - aesgcm, err := cipher.NewGCM(block) - if err != nil { - return err - } - if len(nonce) != aesgcm.NonceSize() { - log.Error("decrypting the message", "AES nonce size", len(nonce)) - return errors.New("wrong AES nonce size") - } - decrypted, err := aesgcm.Open(nil, nonce, msg.Raw, nil) - if err != nil { - return err - } - msg.Raw = decrypted - return nil -} - -// decryptAsymmetric decrypts an encrypted payload with a private key. -func (msg *ReceivedMessage) decryptAsymmetric(key *ecdsa.PrivateKey) error { - decrypted, err := ecies.ImportECDSA(key).Decrypt(msg.Raw, nil, nil) - if err == nil { - msg.Raw = decrypted - } - return err -} - -// Validate checks the validity and extracts the fields in case of success -func (msg *ReceivedMessage) Validate() bool { - end := len(msg.Raw) - if end < 1 { - return false - } - - if isMessageSigned(msg.Raw[0]) { - end -= signatureLength - if end <= 1 { - return false - } - msg.Signature = msg.Raw[end:] - msg.Src = msg.SigToPubKey() - if msg.Src == nil { - return false - } - } - - padSize, ok := msg.extractPadding(end) - if !ok { - return false - } - - msg.Payload = msg.Raw[1+padSize : end] - return true -} - -// extractPadding extracts the padding from raw message. -// although we don't support sending messages with padding size -// exceeding 255 bytes, such messages are perfectly valid, and -// can be successfully decrypted. -func (msg *ReceivedMessage) extractPadding(end int) (int, bool) { - paddingSize := 0 - sz := int(msg.Raw[0] & paddingMask) // number of bytes indicating the entire size of padding (including these bytes) - // could be zero -- it means no padding - if sz != 0 { - paddingSize = int(bytesToUintLittleEndian(msg.Raw[1 : 1+sz])) - if paddingSize < sz || paddingSize+1 > end { - return 0, false - } - msg.Padding = msg.Raw[1+sz : 1+paddingSize] - } - return paddingSize, true -} - -// SigToPubKey retrieves the public key of the message signer. -func (msg *ReceivedMessage) SigToPubKey() *ecdsa.PublicKey { - defer func() { recover() }() // in case of invalid signature - - pub, err := crypto.SigToPub(msg.hash(), msg.Signature) - if err != nil { - log.Error("failed to recover public key from signature", "err", err) - return nil - } - return pub -} - -// hash calculates the SHA3 checksum of the message flags, payload and padding. -func (msg *ReceivedMessage) hash() []byte { - if isMessageSigned(msg.Raw[0]) { - sz := len(msg.Raw) - signatureLength - return crypto.Keccak256(msg.Raw[:sz]) - } - return crypto.Keccak256(msg.Raw) -} diff --git a/whisper/whisperv5/message_test.go b/whisper/whisperv5/message_test.go deleted file mode 100644 index 2edf945df..000000000 --- a/whisper/whisperv5/message_test.go +++ /dev/null @@ -1,415 +0,0 @@ -// Copyright 2016 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 whisperv5 - -import ( - "bytes" - mrand "math/rand" - "testing" - - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/rlp" -) - -func generateMessageParams() (*MessageParams, error) { - // set all the parameters except p.Dst and p.Padding - - buf := make([]byte, 4) - mrand.Read(buf) - sz := mrand.Intn(400) - - var p MessageParams - p.PoW = 0.01 - p.WorkTime = 1 - p.TTL = uint32(mrand.Intn(1024)) - p.Payload = make([]byte, sz) - p.KeySym = make([]byte, aesKeyLength) - mrand.Read(p.Payload) - mrand.Read(p.KeySym) - p.Topic = BytesToTopic(buf) - - var err error - p.Src, err = crypto.GenerateKey() - if err != nil { - return nil, err - } - - return &p, nil -} - -func singleMessageTest(t *testing.T, symmetric bool) { - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - key, err := crypto.GenerateKey() - if err != nil { - t.Fatalf("failed GenerateKey with seed %d: %s.", seed, err) - } - - if !symmetric { - params.KeySym = nil - params.Dst = &key.PublicKey - } - - text := make([]byte, 0, 512) - text = append(text, params.Payload...) - - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - var decrypted *ReceivedMessage - if symmetric { - decrypted, err = env.OpenSymmetric(params.KeySym) - } else { - decrypted, err = env.OpenAsymmetric(key) - } - - if err != nil { - t.Fatalf("failed to encrypt with seed %d: %s.", seed, err) - } - - if !decrypted.Validate() { - t.Fatalf("failed to validate with seed %d.", seed) - } - - if !bytes.Equal(text, decrypted.Payload) { - t.Fatalf("failed with seed %d: compare payload.", seed) - } - if !isMessageSigned(decrypted.Raw[0]) { - t.Fatalf("failed with seed %d: unsigned.", seed) - } - if len(decrypted.Signature) != signatureLength { - t.Fatalf("failed with seed %d: signature len %d.", seed, len(decrypted.Signature)) - } - if !IsPubKeyEqual(decrypted.Src, ¶ms.Src.PublicKey) { - t.Fatalf("failed with seed %d: signature mismatch.", seed) - } -} - -func TestMessageEncryption(t *testing.T) { - InitSingleTest() - - var symmetric bool - for i := 0; i < 256; i++ { - singleMessageTest(t, symmetric) - symmetric = !symmetric - } -} - -func TestMessageWrap(t *testing.T) { - seed = int64(1777444222) - mrand.Seed(seed) - target := 128.0 - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - params.TTL = 1 - params.WorkTime = 12 - params.PoW = target - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - pow := env.PoW() - if pow < target { - t.Fatalf("failed Wrap with seed %d: pow < target (%f vs. %f).", seed, pow, target) - } - - // set PoW target too high, expect error - msg2, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - params.TTL = 1000000 - params.WorkTime = 1 - params.PoW = 10000000.0 - _, err = msg2.Wrap(params) - if err == nil { - t.Fatalf("unexpectedly reached the PoW target with seed %d.", seed) - } -} - -func TestMessageSeal(t *testing.T) { - // this test depends on deterministic choice of seed (1976726903) - seed = int64(1976726903) - mrand.Seed(seed) - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - params.TTL = 1 - aesnonce := make([]byte, 12) - mrand.Read(aesnonce) - - env := NewEnvelope(params.TTL, params.Topic, aesnonce, msg) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - env.Expiry = uint32(seed) // make it deterministic - target := 32.0 - params.WorkTime = 4 - params.PoW = target - env.Seal(params) - - env.calculatePoW(0) - pow := env.PoW() - if pow < target { - t.Fatalf("failed Wrap with seed %d: pow < target (%f vs. %f).", seed, pow, target) - } - - params.WorkTime = 1 - params.PoW = 1000000000.0 - env.Seal(params) - env.calculatePoW(0) - pow = env.PoW() - if pow < 2*target { - t.Fatalf("failed Wrap with seed %d: pow too small %f.", seed, pow) - } -} - -func TestEnvelopeOpen(t *testing.T) { - InitSingleTest() - - var symmetric bool - for i := 0; i < 256; i++ { - singleEnvelopeOpenTest(t, symmetric) - symmetric = !symmetric - } -} - -func singleEnvelopeOpenTest(t *testing.T, symmetric bool) { - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - key, err := crypto.GenerateKey() - if err != nil { - t.Fatalf("failed GenerateKey with seed %d: %s.", seed, err) - } - - if !symmetric { - params.KeySym = nil - params.Dst = &key.PublicKey - } - - text := make([]byte, 0, 512) - text = append(text, params.Payload...) - - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - f := Filter{KeyAsym: key, KeySym: params.KeySym} - decrypted := env.Open(&f) - if decrypted == nil { - t.Fatalf("failed to open with seed %d.", seed) - } - - if !bytes.Equal(text, decrypted.Payload) { - t.Fatalf("failed with seed %d: compare payload.", seed) - } - if !isMessageSigned(decrypted.Raw[0]) { - t.Fatalf("failed with seed %d: unsigned.", seed) - } - if len(decrypted.Signature) != signatureLength { - t.Fatalf("failed with seed %d: signature len %d.", seed, len(decrypted.Signature)) - } - if !IsPubKeyEqual(decrypted.Src, ¶ms.Src.PublicKey) { - t.Fatalf("failed with seed %d: signature mismatch.", seed) - } - if decrypted.isAsymmetricEncryption() == symmetric { - t.Fatalf("failed with seed %d: asymmetric %v vs. %v.", seed, decrypted.isAsymmetricEncryption(), symmetric) - } - if decrypted.isSymmetricEncryption() != symmetric { - t.Fatalf("failed with seed %d: symmetric %v vs. %v.", seed, decrypted.isSymmetricEncryption(), symmetric) - } - if !symmetric { - if decrypted.Dst == nil { - t.Fatalf("failed with seed %d: dst is nil.", seed) - } - if !IsPubKeyEqual(decrypted.Dst, &key.PublicKey) { - t.Fatalf("failed with seed %d: Dst.", seed) - } - } -} - -func TestEncryptWithZeroKey(t *testing.T) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - params.KeySym = make([]byte, aesKeyLength) - _, err = msg.Wrap(params) - if err == nil { - t.Fatalf("wrapped with zero key, seed: %d.", seed) - } - - params, err = generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - msg, err = NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - params.KeySym = make([]byte, 0) - _, err = msg.Wrap(params) - if err == nil { - t.Fatalf("wrapped with empty key, seed: %d.", seed) - } - - params, err = generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - msg, err = NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - params.KeySym = nil - _, err = msg.Wrap(params) - if err == nil { - t.Fatalf("wrapped with nil key, seed: %d.", seed) - } -} - -func TestRlpEncode(t *testing.T) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("wrapped with zero key, seed: %d.", seed) - } - - raw, err := rlp.EncodeToBytes(env) - if err != nil { - t.Fatalf("RLP encode failed: %s.", err) - } - - var decoded Envelope - rlp.DecodeBytes(raw, &decoded) - if err != nil { - t.Fatalf("RLP decode failed: %s.", err) - } - - he := env.Hash() - hd := decoded.Hash() - - if he != hd { - t.Fatalf("Hashes are not equal: %x vs. %x", he, hd) - } -} - -func singlePaddingTest(t *testing.T, padSize int) { - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d and sz=%d: %s.", seed, padSize, err) - } - params.Padding = make([]byte, padSize) - params.PoW = 0.0000000001 - pad := make([]byte, padSize) - _, err = mrand.Read(pad) - if err != nil { - t.Fatalf("padding is not generated (seed %d): %s", seed, err) - } - n := copy(params.Padding, pad) - if n != padSize { - t.Fatalf("padding is not copied (seed %d): %s", seed, err) - } - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed to wrap, seed: %d and sz=%d.", seed, padSize) - } - f := Filter{KeySym: params.KeySym} - decrypted := env.Open(&f) - if decrypted == nil { - t.Fatalf("failed to open, seed and sz=%d: %d.", seed, padSize) - } - if !bytes.Equal(pad, decrypted.Padding) { - t.Fatalf("padding is not retireved as expected with seed %d and sz=%d:\n[%x]\n[%x].", seed, padSize, pad, decrypted.Padding) - } -} - -func TestPadding(t *testing.T) { - InitSingleTest() - - for i := 1; i < 260; i++ { - singlePaddingTest(t, i) - } - - lim := 256 * 256 - for i := lim - 5; i < lim+2; i++ { - singlePaddingTest(t, i) - } - - for i := 0; i < 256; i++ { - n := mrand.Intn(256*254) + 256 - singlePaddingTest(t, n) - } - - for i := 0; i < 256; i++ { - n := mrand.Intn(256*1024) + 256*256 - singlePaddingTest(t, n) - } -} diff --git a/whisper/whisperv5/peer.go b/whisper/whisperv5/peer.go deleted file mode 100644 index 2bb5677c7..000000000 --- a/whisper/whisperv5/peer.go +++ /dev/null @@ -1,174 +0,0 @@ -// Copyright 2016 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 whisperv5 - -import ( - "fmt" - "time" - - mapset "github.com/deckarep/golang-set" - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/log" - "github.com/ethereum/go-ethereum/p2p" - "github.com/ethereum/go-ethereum/rlp" -) - -// Peer represents a whisper protocol peer connection. -type Peer struct { - host *Whisper - peer *p2p.Peer - ws p2p.MsgReadWriter - trusted bool - - known mapset.Set // Messages already known by the peer to avoid wasting bandwidth - - quit chan struct{} -} - -// newPeer creates a new whisper peer object, but does not run the handshake itself. -func newPeer(host *Whisper, remote *p2p.Peer, rw p2p.MsgReadWriter) *Peer { - return &Peer{ - host: host, - peer: remote, - ws: rw, - trusted: false, - known: mapset.NewSet(), - quit: make(chan struct{}), - } -} - -// start initiates the peer updater, periodically broadcasting the whisper packets -// into the network. -func (peer *Peer) start() { - go peer.update() - log.Trace("start", "peer", peer.ID()) -} - -// stop terminates the peer updater, stopping message forwarding to it. -func (peer *Peer) stop() { - close(peer.quit) - log.Trace("stop", "peer", peer.ID()) -} - -// handshake sends the protocol initiation status message to the remote peer and -// verifies the remote status too. -func (peer *Peer) handshake() error { - // Send the handshake status message asynchronously - errc := make(chan error, 1) - go func() { - errc <- p2p.Send(peer.ws, statusCode, ProtocolVersion) - }() - // Fetch the remote status packet and verify protocol match - packet, err := peer.ws.ReadMsg() - if err != nil { - return err - } - if packet.Code != statusCode { - return fmt.Errorf("peer [%x] sent packet %x before status packet", peer.ID(), packet.Code) - } - s := rlp.NewStream(packet.Payload, uint64(packet.Size)) - peerVersion, err := s.Uint() - if err != nil { - return fmt.Errorf("peer [%x] sent bad status message: %v", peer.ID(), err) - } - if peerVersion != ProtocolVersion { - return fmt.Errorf("peer [%x]: protocol version mismatch %d != %d", peer.ID(), peerVersion, ProtocolVersion) - } - // Wait until out own status is consumed too - if err := <-errc; err != nil { - return fmt.Errorf("peer [%x] failed to send status packet: %v", peer.ID(), err) - } - return nil -} - -// update executes periodic operations on the peer, including message transmission -// and expiration. -func (peer *Peer) update() { - // Start the tickers for the updates - expire := time.NewTicker(expirationCycle) - transmit := time.NewTicker(transmissionCycle) - - // Loop and transmit until termination is requested - for { - select { - case <-expire.C: - peer.expire() - - case <-transmit.C: - if err := peer.broadcast(); err != nil { - log.Trace("broadcast failed", "reason", err, "peer", peer.ID()) - return - } - - case <-peer.quit: - return - } - } -} - -// mark marks an envelope known to the peer so that it won't be sent back. -func (peer *Peer) mark(envelope *Envelope) { - peer.known.Add(envelope.Hash()) -} - -// marked checks if an envelope is already known to the remote peer. -func (peer *Peer) marked(envelope *Envelope) bool { - return peer.known.Contains(envelope.Hash()) -} - -// expire iterates over all the known envelopes in the host and removes all -// expired (unknown) ones from the known list. -func (peer *Peer) expire() { - unmark := make(map[common.Hash]struct{}) - peer.known.Each(func(v interface{}) bool { - if !peer.host.isEnvelopeCached(v.(common.Hash)) { - unmark[v.(common.Hash)] = struct{}{} - } - return true - }) - // Dump all known but no longer cached - for hash := range unmark { - peer.known.Remove(hash) - } -} - -// broadcast iterates over the collection of envelopes and transmits yet unknown -// ones over the network. -func (peer *Peer) broadcast() error { - var cnt int - envelopes := peer.host.Envelopes() - for _, envelope := range envelopes { - if !peer.marked(envelope) { - err := p2p.Send(peer.ws, messagesCode, envelope) - if err != nil { - return err - } else { - peer.mark(envelope) - cnt++ - } - } - } - if cnt > 0 { - log.Trace("broadcast", "num. messages", cnt) - } - return nil -} - -func (peer *Peer) ID() []byte { - id := peer.peer.ID() - return id[:] -} diff --git a/whisper/whisperv5/peer_test.go b/whisper/whisperv5/peer_test.go deleted file mode 100644 index 244953207..000000000 --- a/whisper/whisperv5/peer_test.go +++ /dev/null @@ -1,297 +0,0 @@ -// Copyright 2016 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 whisperv5 - -import ( - "bytes" - "crypto/ecdsa" - "net" - "sync" - "testing" - "time" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/p2p" - "github.com/ethereum/go-ethereum/p2p/enode" - "github.com/ethereum/go-ethereum/p2p/nat" -) - -var keys = []string{ - "d49dcf37238dc8a7aac57dc61b9fee68f0a97f062968978b9fafa7d1033d03a9", - "73fd6143c48e80ed3c56ea159fe7494a0b6b393a392227b422f4c3e8f1b54f98", - "119dd32adb1daa7a4c7bf77f847fb28730785aa92947edf42fdd997b54de40dc", - "deeda8709dea935bb772248a3144dea449ffcc13e8e5a1fd4ef20ce4e9c87837", - "5bd208a079633befa349441bdfdc4d85ba9bd56081525008380a63ac38a407cf", - "1d27fb4912002d58a2a42a50c97edb05c1b3dffc665dbaa42df1fe8d3d95c9b5", - "15def52800c9d6b8ca6f3066b7767a76afc7b611786c1276165fbc61636afb68", - "51be6ab4b2dc89f251ff2ace10f3c1cc65d6855f3e083f91f6ff8efdfd28b48c", - "ef1ef7441bf3c6419b162f05da6037474664f198b58db7315a6f4de52414b4a0", - "09bdf6985aabc696dc1fbeb5381aebd7a6421727343872eb2fadfc6d82486fd9", - "15d811bf2e01f99a224cdc91d0cf76cea08e8c67905c16fee9725c9be71185c4", - "2f83e45cf1baaea779789f755b7da72d8857aeebff19362dd9af31d3c9d14620", - "73f04e34ac6532b19c2aae8f8e52f38df1ac8f5cd10369f92325b9b0494b0590", - "1e2e07b69e5025537fb73770f483dc8d64f84ae3403775ef61cd36e3faf162c1", - "8963d9bbb3911aac6d30388c786756b1c423c4fbbc95d1f96ddbddf39809e43a", - "0422da85abc48249270b45d8de38a4cc3c02032ede1fcf0864a51092d58a2f1f", - "8ae5c15b0e8c7cade201fdc149831aa9b11ff626a7ffd27188886cc108ad0fa8", - "acd8f5a71d4aecfcb9ad00d32aa4bcf2a602939b6a9dd071bab443154184f805", - "a285a922125a7481600782ad69debfbcdb0316c1e97c267aff29ef50001ec045", - "28fd4eee78c6cd4bf78f39f8ab30c32c67c24a6223baa40e6f9c9a0e1de7cef5", - "c5cca0c9e6f043b288c6f1aef448ab59132dab3e453671af5d0752961f013fc7", - "46df99b051838cb6f8d1b73f232af516886bd8c4d0ee07af9a0a033c391380fd", - "c6a06a53cbaadbb432884f36155c8f3244e244881b5ee3e92e974cfa166d793f", - "783b90c75c63dc72e2f8d11b6f1b4de54d63825330ec76ee8db34f06b38ea211", - "9450038f10ca2c097a8013e5121b36b422b95b04892232f930a29292d9935611", - "e215e6246ed1cfdcf7310d4d8cdbe370f0d6a8371e4eb1089e2ae05c0e1bc10f", - "487110939ed9d64ebbc1f300adeab358bc58875faf4ca64990fbd7fe03b78f2b", - "824a70ea76ac81366da1d4f4ac39de851c8ac49dca456bb3f0a186ceefa269a5", - "ba8f34fa40945560d1006a328fe70c42e35cc3d1017e72d26864cd0d1b150f15", - "30a5dfcfd144997f428901ea88a43c8d176b19c79dde54cc58eea001aa3d246c", - "de59f7183aca39aa245ce66a05245fecfc7e2c75884184b52b27734a4a58efa2", - "92629e2ff5f0cb4f5f08fffe0f64492024d36f045b901efb271674b801095c5a", - "7184c1701569e3a4c4d2ddce691edd983b81e42e09196d332e1ae2f1e062cff4", -} - -const NumNodes = 16 // must not exceed the number of keys (32) - -type TestData struct { - counter [NumNodes]int - mutex sync.RWMutex -} - -type TestNode struct { - shh *Whisper - id *ecdsa.PrivateKey - server *p2p.Server - filerId string -} - -var result TestData -var nodes [NumNodes]*TestNode -var sharedKey = []byte("some arbitrary data here") -var sharedTopic TopicType = TopicType{0xF, 0x1, 0x2, 0} -var expectedMessage = []byte("per rectum ad astra") - -// This test does the following: -// 1. creates a chain of whisper nodes, -// 2. installs the filters with shared (predefined) parameters, -// 3. each node sends a number of random (undecryptable) messages, -// 4. first node sends one expected (decryptable) message, -// 5. checks if each node have received and decrypted exactly one message. -func TestSimulation(t *testing.T) { - initialize(t) - - for i := 0; i < NumNodes; i++ { - sendMsg(t, false, i) - } - - sendMsg(t, true, 0) - checkPropagation(t) - stopServers() -} - -func initialize(t *testing.T) { - var err error - - for i := 0; i < NumNodes; i++ { - var node TestNode - node.shh = New(&DefaultConfig) - node.shh.SetMinimumPoW(0.00000001) - node.shh.Start(nil) - topics := make([]TopicType, 0) - topics = append(topics, sharedTopic) - f := Filter{KeySym: sharedKey} - f.Topics = [][]byte{topics[0][:]} - node.filerId, err = node.shh.Subscribe(&f) - if err != nil { - t.Fatalf("failed to install the filter: %s.", err) - } - node.id, err = crypto.HexToECDSA(keys[i]) - if err != nil { - t.Fatalf("failed convert the key: %s.", keys[i]) - } - name := common.MakeName("whisper-go", "2.0") - node.server = &p2p.Server{ - Config: p2p.Config{ - PrivateKey: node.id, - MaxPeers: NumNodes/2 + 1, - Name: name, - Protocols: node.shh.Protocols(), - ListenAddr: "127.0.0.1:0", - NAT: nat.Any(), - }, - } - - err = node.server.Start() - if err != nil { - t.Fatalf("failed to start server %d. err: %v", i, err) - } - - for j := 0; j < i; j++ { - peerNodeId := nodes[j].id - address, _ := net.ResolveTCPAddr("tcp", nodes[j].server.ListenAddr) - peerPort := uint16(address.Port) - peer := enode.NewV4(&peerNodeId.PublicKey, address.IP, int(peerPort), int(peerPort)) - node.server.AddPeer(peer) - } - - nodes[i] = &node - } -} - -func stopServers() { - for i := 0; i < NumNodes; i++ { - n := nodes[i] - if n != nil { - n.shh.Unsubscribe(n.filerId) - n.shh.Stop() - n.server.Stop() - } - } -} - -func checkPropagation(t *testing.T) { - if t.Failed() { - return - } - - const cycle = 100 - const iterations = 100 - - for j := 0; j < iterations; j++ { - time.Sleep(cycle * time.Millisecond) - - for i := 0; i < NumNodes; i++ { - f := nodes[i].shh.GetFilter(nodes[i].filerId) - if f == nil { - t.Fatalf("failed to get filterId %s from node %d.", nodes[i].filerId, i) - } - - mail := f.Retrieve() - if !validateMail(t, i, mail) { - return - } - - if isTestComplete() { - return - } - } - } - - t.Fatalf("Test was not complete: timeout %d seconds.", iterations*cycle/1000) -} - -func validateMail(t *testing.T, index int, mail []*ReceivedMessage) bool { - var cnt int - for _, m := range mail { - if bytes.Equal(m.Payload, expectedMessage) { - cnt++ - } - } - - if cnt == 0 { - // no messages received yet: nothing is wrong - return true - } - if cnt > 1 { - t.Fatalf("node %d received %d.", index, cnt) - return false - } - - if cnt > 0 { - result.mutex.Lock() - defer result.mutex.Unlock() - result.counter[index] += cnt - if result.counter[index] > 1 { - t.Fatalf("node %d accumulated %d.", index, result.counter[index]) - } - } - return true -} - -func isTestComplete() bool { - result.mutex.RLock() - defer result.mutex.RUnlock() - - for i := 0; i < NumNodes; i++ { - if result.counter[i] < 1 { - return false - } - } - - for i := 0; i < NumNodes; i++ { - envelopes := nodes[i].shh.Envelopes() - if len(envelopes) < 2 { - return false - } - } - - return true -} - -func sendMsg(t *testing.T, expected bool, id int) { - if t.Failed() { - return - } - - opt := MessageParams{KeySym: sharedKey, Topic: sharedTopic, Payload: expectedMessage, PoW: 0.00000001, WorkTime: 1} - if !expected { - opt.KeySym[0]++ - opt.Topic[0]++ - opt.Payload = opt.Payload[1:] - } - - msg, err := NewSentMessage(&opt) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - envelope, err := msg.Wrap(&opt) - if err != nil { - t.Fatalf("failed to seal message: %s", err) - } - - err = nodes[id].shh.Send(envelope) - if err != nil { - t.Fatalf("failed to send message: %s", err) - } -} - -func TestPeerBasic(t *testing.T) { - InitSingleTest() - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d.", seed) - } - - params.PoW = 0.001 - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d.", seed) - } - - p := newPeer(nil, nil, nil) - p.mark(env) - if !p.marked(env) { - t.Fatalf("failed mark with seed %d.", seed) - } -} diff --git a/whisper/whisperv5/topic.go b/whisper/whisperv5/topic.go deleted file mode 100644 index c4eda1db4..000000000 --- a/whisper/whisperv5/topic.go +++ /dev/null @@ -1,55 +0,0 @@ -// Copyright 2016 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/>. - -// Contains the Whisper protocol Topic element. - -package whisperv5 - -import ( - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/hexutil" -) - -// TopicType represents a cryptographically secure, probabilistic partial -// classifications of a message, determined as the first (left) 4 bytes of the -// SHA3 hash of some arbitrary data given by the original author of the message. -type TopicType [TopicLength]byte - -func BytesToTopic(b []byte) (t TopicType) { - sz := TopicLength - if x := len(b); x < TopicLength { - sz = x - } - for i := 0; i < sz; i++ { - t[i] = b[i] - } - return t -} - -// String converts a topic byte array to a string representation. -func (t *TopicType) String() string { - return common.ToHex(t[:]) -} - -// MarshalText returns the hex representation of t. -func (t TopicType) MarshalText() ([]byte, error) { - return hexutil.Bytes(t[:]).MarshalText() -} - -// UnmarshalText parses a hex representation to a topic. -func (t *TopicType) UnmarshalText(input []byte) error { - return hexutil.UnmarshalFixedText("Topic", input, t[:]) -} diff --git a/whisper/whisperv5/topic_test.go b/whisper/whisperv5/topic_test.go deleted file mode 100644 index 54bbeaf85..000000000 --- a/whisper/whisperv5/topic_test.go +++ /dev/null @@ -1,134 +0,0 @@ -// Copyright 2016 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 whisperv5 - -import ( - "encoding/json" - "testing" -) - -var topicStringTests = []struct { - topic TopicType - str string -}{ - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, str: "0x00000000"}, - {topic: TopicType{0x00, 0x7f, 0x80, 0xff}, str: "0x007f80ff"}, - {topic: TopicType{0xff, 0x80, 0x7f, 0x00}, str: "0xff807f00"}, - {topic: TopicType{0xf2, 0x6e, 0x77, 0x79}, str: "0xf26e7779"}, -} - -func TestTopicString(t *testing.T) { - for i, tst := range topicStringTests { - s := tst.topic.String() - if s != tst.str { - t.Fatalf("failed test %d: have %s, want %s.", i, s, tst.str) - } - } -} - -var bytesToTopicTests = []struct { - data []byte - topic TopicType -}{ - {topic: TopicType{0x8f, 0x9a, 0x2b, 0x7d}, data: []byte{0x8f, 0x9a, 0x2b, 0x7d}}, - {topic: TopicType{0x00, 0x7f, 0x80, 0xff}, data: []byte{0x00, 0x7f, 0x80, 0xff}}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte{0x00, 0x00, 0x00, 0x00}}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte{0x00, 0x00, 0x00}}, - {topic: TopicType{0x01, 0x00, 0x00, 0x00}, data: []byte{0x01}}, - {topic: TopicType{0x00, 0xfe, 0x00, 0x00}, data: []byte{0x00, 0xfe}}, - {topic: TopicType{0xea, 0x1d, 0x43, 0x00}, data: []byte{0xea, 0x1d, 0x43}}, - {topic: TopicType{0x6f, 0x3c, 0xb0, 0xdd}, data: []byte{0x6f, 0x3c, 0xb0, 0xdd, 0x0f, 0x00, 0x90}}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte{}}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: nil}, -} - -var unmarshalTestsGood = []struct { - topic TopicType - data []byte -}{ - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte(`"0x00000000"`)}, - {topic: TopicType{0x00, 0x7f, 0x80, 0xff}, data: []byte(`"0x007f80ff"`)}, - {topic: TopicType{0xff, 0x80, 0x7f, 0x00}, data: []byte(`"0xff807f00"`)}, - {topic: TopicType{0xf2, 0x6e, 0x77, 0x79}, data: []byte(`"0xf26e7779"`)}, -} - -var unmarshalTestsBad = []struct { - topic TopicType - data []byte -}{ - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte(`"0x000000"`)}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte(`"0x0000000"`)}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte(`"0x000000000"`)}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte(`"0x0000000000"`)}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte(`"000000"`)}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte(`"0000000"`)}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte(`"000000000"`)}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte(`"0000000000"`)}, - {topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte(`"abcdefg0"`)}, -} - -var unmarshalTestsUgly = []struct { - topic TopicType - data []byte -}{ - {topic: TopicType{0x01, 0x00, 0x00, 0x00}, data: []byte(`"0x00000001"`)}, -} - -func TestBytesToTopic(t *testing.T) { - for i, tst := range bytesToTopicTests { - top := BytesToTopic(tst.data) - if top != tst.topic { - t.Fatalf("failed test %d: have %v, want %v.", i, t, tst.topic) - } - } -} - -func TestUnmarshalTestsGood(t *testing.T) { - for i, tst := range unmarshalTestsGood { - var top TopicType - err := json.Unmarshal(tst.data, &top) - if err != nil { - t.Errorf("failed test %d. input: %v. err: %v", i, tst.data, err) - } else if top != tst.topic { - t.Errorf("failed test %d: have %v, want %v.", i, t, tst.topic) - } - } -} - -func TestUnmarshalTestsBad(t *testing.T) { - // in this test UnmarshalJSON() is supposed to fail - for i, tst := range unmarshalTestsBad { - var top TopicType - err := json.Unmarshal(tst.data, &top) - if err == nil { - t.Fatalf("failed test %d. input: %v.", i, tst.data) - } - } -} - -func TestUnmarshalTestsUgly(t *testing.T) { - // in this test UnmarshalJSON() is NOT supposed to fail, but result should be wrong - for i, tst := range unmarshalTestsUgly { - var top TopicType - err := json.Unmarshal(tst.data, &top) - if err != nil { - t.Errorf("failed test %d. input: %v.", i, tst.data) - } else if top == tst.topic { - t.Errorf("failed test %d: have %v, want %v.", i, top, tst.topic) - } - } -} diff --git a/whisper/whisperv5/whisper.go b/whisper/whisperv5/whisper.go deleted file mode 100644 index 465545821..000000000 --- a/whisper/whisperv5/whisper.go +++ /dev/null @@ -1,855 +0,0 @@ -// Copyright 2016 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 whisperv5 - -import ( - "bytes" - "crypto/ecdsa" - crand "crypto/rand" - "crypto/sha256" - "fmt" - "runtime" - "sync" - "time" - - mapset "github.com/deckarep/golang-set" - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/log" - "github.com/ethereum/go-ethereum/p2p" - "github.com/ethereum/go-ethereum/rpc" - "github.com/syndtr/goleveldb/leveldb/errors" - "golang.org/x/crypto/pbkdf2" - "golang.org/x/sync/syncmap" -) - -type Statistics struct { - messagesCleared int - memoryCleared int - memoryUsed int - cycles int - totalMessagesCleared int -} - -const ( - minPowIdx = iota // Minimal PoW required by the whisper node - maxMsgSizeIdx = iota // Maximal message length allowed by the whisper node - overflowIdx = iota // Indicator of message queue overflow -) - -// Whisper represents a dark communication interface through the Ethereum -// network, using its very own P2P communication layer. -type Whisper struct { - protocol p2p.Protocol // Protocol description and parameters - filters *Filters // Message filters installed with Subscribe function - - privateKeys map[string]*ecdsa.PrivateKey // Private key storage - symKeys map[string][]byte // Symmetric key storage - keyMu sync.RWMutex // Mutex associated with key storages - - poolMu sync.RWMutex // Mutex to sync the message and expiration pools - envelopes map[common.Hash]*Envelope // Pool of envelopes currently tracked by this node - expirations map[uint32]mapset.Set // Message expiration pool - - peerMu sync.RWMutex // Mutex to sync the active peer set - peers map[*Peer]struct{} // Set of currently active peers - - messageQueue chan *Envelope // Message queue for normal whisper messages - p2pMsgQueue chan *Envelope // Message queue for peer-to-peer messages (not to be forwarded any further) - quit chan struct{} // Channel used for graceful exit - - settings syncmap.Map // holds configuration settings that can be dynamically changed - - statsMu sync.Mutex // guard stats - stats Statistics // Statistics of whisper node - - mailServer MailServer // MailServer interface -} - -// New creates a Whisper client ready to communicate through the Ethereum P2P network. -func New(cfg *Config) *Whisper { - if cfg == nil { - cfg = &DefaultConfig - } - - whisper := &Whisper{ - privateKeys: make(map[string]*ecdsa.PrivateKey), - symKeys: make(map[string][]byte), - envelopes: make(map[common.Hash]*Envelope), - expirations: make(map[uint32]mapset.Set), - peers: make(map[*Peer]struct{}), - messageQueue: make(chan *Envelope, messageQueueLimit), - p2pMsgQueue: make(chan *Envelope, messageQueueLimit), - quit: make(chan struct{}), - } - - whisper.filters = NewFilters(whisper) - - whisper.settings.Store(minPowIdx, cfg.MinimumAcceptedPOW) - whisper.settings.Store(maxMsgSizeIdx, cfg.MaxMessageSize) - whisper.settings.Store(overflowIdx, false) - - // p2p whisper sub protocol handler - whisper.protocol = p2p.Protocol{ - Name: ProtocolName, - Version: uint(ProtocolVersion), - Length: NumberOfMessageCodes, - Run: whisper.HandlePeer, - NodeInfo: func() interface{} { - return map[string]interface{}{ - "version": ProtocolVersionStr, - "maxMessageSize": whisper.MaxMessageSize(), - "minimumPoW": whisper.MinPow(), - } - }, - } - - return whisper -} - -func (w *Whisper) MinPow() float64 { - val, _ := w.settings.Load(minPowIdx) - return val.(float64) -} - -// MaxMessageSize returns the maximum accepted message size. -func (w *Whisper) MaxMessageSize() uint32 { - val, _ := w.settings.Load(maxMsgSizeIdx) - return val.(uint32) -} - -// Overflow returns an indication if the message queue is full. -func (w *Whisper) Overflow() bool { - val, _ := w.settings.Load(overflowIdx) - return val.(bool) -} - -// APIs returns the RPC descriptors the Whisper implementation offers -func (w *Whisper) APIs() []rpc.API { - return []rpc.API{ - { - Namespace: ProtocolName, - Version: ProtocolVersionStr, - Service: NewPublicWhisperAPI(w), - Public: true, - }, - } -} - -// RegisterServer registers MailServer interface. -// MailServer will process all the incoming messages with p2pRequestCode. -func (w *Whisper) RegisterServer(server MailServer) { - w.mailServer = server -} - -// Protocols returns the whisper sub-protocols ran by this particular client. -func (w *Whisper) Protocols() []p2p.Protocol { - return []p2p.Protocol{w.protocol} -} - -// Version returns the whisper sub-protocols version number. -func (w *Whisper) Version() uint { - return w.protocol.Version -} - -// SetMaxMessageSize sets the maximal message size allowed by this node -func (w *Whisper) SetMaxMessageSize(size uint32) error { - if size > MaxMessageSize { - return fmt.Errorf("message size too large [%d>%d]", size, MaxMessageSize) - } - w.settings.Store(maxMsgSizeIdx, size) - return nil -} - -// SetMinimumPoW sets the minimal PoW required by this node -func (w *Whisper) SetMinimumPoW(val float64) error { - if val <= 0.0 { - return fmt.Errorf("invalid PoW: %f", val) - } - w.settings.Store(minPowIdx, val) - return nil -} - -// getPeer retrieves peer by ID -func (w *Whisper) getPeer(peerID []byte) (*Peer, error) { - w.peerMu.Lock() - defer w.peerMu.Unlock() - for p := range w.peers { - id := p.peer.ID() - if bytes.Equal(peerID, id[:]) { - return p, nil - } - } - return nil, fmt.Errorf("Could not find peer with ID: %x", peerID) -} - -// AllowP2PMessagesFromPeer marks specific peer trusted, -// which will allow it to send historic (expired) messages. -func (w *Whisper) AllowP2PMessagesFromPeer(peerID []byte) error { - p, err := w.getPeer(peerID) - if err != nil { - return err - } - p.trusted = true - return nil -} - -// RequestHistoricMessages sends a message with p2pRequestCode to a specific peer, -// which is known to implement MailServer interface, and is supposed to process this -// request and respond with a number of peer-to-peer messages (possibly expired), -// which are not supposed to be forwarded any further. -// The whisper protocol is agnostic of the format and contents of envelope. -func (w *Whisper) RequestHistoricMessages(peerID []byte, envelope *Envelope) error { - p, err := w.getPeer(peerID) - if err != nil { - return err - } - p.trusted = true - return p2p.Send(p.ws, p2pRequestCode, envelope) -} - -// SendP2PMessage sends a peer-to-peer message to a specific peer. -func (w *Whisper) SendP2PMessage(peerID []byte, envelope *Envelope) error { - p, err := w.getPeer(peerID) - if err != nil { - return err - } - return w.SendP2PDirect(p, envelope) -} - -// SendP2PDirect sends a peer-to-peer message to a specific peer. -func (w *Whisper) SendP2PDirect(peer *Peer, envelope *Envelope) error { - return p2p.Send(peer.ws, p2pCode, envelope) -} - -// NewKeyPair generates a new cryptographic identity for the client, and injects -// it into the known identities for message decryption. Returns ID of the new key pair. -func (w *Whisper) NewKeyPair() (string, error) { - key, err := crypto.GenerateKey() - if err != nil || !validatePrivateKey(key) { - key, err = crypto.GenerateKey() // retry once - } - if err != nil { - return "", err - } - if !validatePrivateKey(key) { - return "", fmt.Errorf("failed to generate valid key") - } - - id, err := GenerateRandomID() - if err != nil { - return "", fmt.Errorf("failed to generate ID: %s", err) - } - - w.keyMu.Lock() - defer w.keyMu.Unlock() - - if w.privateKeys[id] != nil { - return "", fmt.Errorf("failed to generate unique ID") - } - w.privateKeys[id] = key - return id, nil -} - -// DeleteKeyPair deletes the specified key if it exists. -func (w *Whisper) DeleteKeyPair(key string) bool { - w.keyMu.Lock() - defer w.keyMu.Unlock() - - if w.privateKeys[key] != nil { - delete(w.privateKeys, key) - return true - } - return false -} - -// AddKeyPair imports a asymmetric private key and returns it identifier. -func (w *Whisper) AddKeyPair(key *ecdsa.PrivateKey) (string, error) { - id, err := GenerateRandomID() - if err != nil { - return "", fmt.Errorf("failed to generate ID: %s", err) - } - - w.keyMu.Lock() - w.privateKeys[id] = key - w.keyMu.Unlock() - - return id, nil -} - -// HasKeyPair checks if the whisper node is configured with the private key -// of the specified public pair. -func (w *Whisper) HasKeyPair(id string) bool { - w.keyMu.RLock() - defer w.keyMu.RUnlock() - return w.privateKeys[id] != nil -} - -// GetPrivateKey retrieves the private key of the specified identity. -func (w *Whisper) GetPrivateKey(id string) (*ecdsa.PrivateKey, error) { - w.keyMu.RLock() - defer w.keyMu.RUnlock() - key := w.privateKeys[id] - if key == nil { - return nil, fmt.Errorf("invalid id") - } - return key, nil -} - -// GenerateSymKey generates a random symmetric key and stores it under id, -// which is then returned. Will be used in the future for session key exchange. -func (w *Whisper) GenerateSymKey() (string, error) { - key := make([]byte, aesKeyLength) - _, err := crand.Read(key) - if err != nil { - return "", err - } else if !validateSymmetricKey(key) { - return "", fmt.Errorf("error in GenerateSymKey: crypto/rand failed to generate random data") - } - - id, err := GenerateRandomID() - if err != nil { - return "", fmt.Errorf("failed to generate ID: %s", err) - } - - w.keyMu.Lock() - defer w.keyMu.Unlock() - - if w.symKeys[id] != nil { - return "", fmt.Errorf("failed to generate unique ID") - } - w.symKeys[id] = key - return id, nil -} - -// AddSymKeyDirect stores the key, and returns its id. -func (w *Whisper) AddSymKeyDirect(key []byte) (string, error) { - if len(key) != aesKeyLength { - return "", fmt.Errorf("wrong key size: %d", len(key)) - } - - id, err := GenerateRandomID() - if err != nil { - return "", fmt.Errorf("failed to generate ID: %s", err) - } - - w.keyMu.Lock() - defer w.keyMu.Unlock() - - if w.symKeys[id] != nil { - return "", fmt.Errorf("failed to generate unique ID") - } - w.symKeys[id] = key - return id, nil -} - -// AddSymKeyFromPassword generates the key from password, stores it, and returns its id. -func (w *Whisper) AddSymKeyFromPassword(password string) (string, error) { - id, err := GenerateRandomID() - if err != nil { - return "", fmt.Errorf("failed to generate ID: %s", err) - } - if w.HasSymKey(id) { - return "", fmt.Errorf("failed to generate unique ID") - } - - derived, err := deriveKeyMaterial([]byte(password), EnvelopeVersion) - if err != nil { - return "", err - } - - w.keyMu.Lock() - defer w.keyMu.Unlock() - - // double check is necessary, because deriveKeyMaterial() is very slow - if w.symKeys[id] != nil { - return "", fmt.Errorf("critical error: failed to generate unique ID") - } - w.symKeys[id] = derived - return id, nil -} - -// HasSymKey returns true if there is a key associated with the given id. -// Otherwise returns false. -func (w *Whisper) HasSymKey(id string) bool { - w.keyMu.RLock() - defer w.keyMu.RUnlock() - return w.symKeys[id] != nil -} - -// DeleteSymKey deletes the key associated with the name string if it exists. -func (w *Whisper) DeleteSymKey(id string) bool { - w.keyMu.Lock() - defer w.keyMu.Unlock() - if w.symKeys[id] != nil { - delete(w.symKeys, id) - return true - } - return false -} - -// GetSymKey returns the symmetric key associated with the given id. -func (w *Whisper) GetSymKey(id string) ([]byte, error) { - w.keyMu.RLock() - defer w.keyMu.RUnlock() - if w.symKeys[id] != nil { - return w.symKeys[id], nil - } - return nil, fmt.Errorf("non-existent key ID") -} - -// Subscribe installs a new message handler used for filtering, decrypting -// and subsequent storing of incoming messages. -func (w *Whisper) Subscribe(f *Filter) (string, error) { - return w.filters.Install(f) -} - -// GetFilter returns the filter by id. -func (w *Whisper) GetFilter(id string) *Filter { - return w.filters.Get(id) -} - -// Unsubscribe removes an installed message handler. -func (w *Whisper) Unsubscribe(id string) error { - ok := w.filters.Uninstall(id) - if !ok { - return fmt.Errorf("Unsubscribe: Invalid ID") - } - return nil -} - -// Send injects a message into the whisper send queue, to be distributed in the -// network in the coming cycles. -func (w *Whisper) Send(envelope *Envelope) error { - ok, err := w.add(envelope) - if err != nil { - return err - } - if !ok { - return fmt.Errorf("failed to add envelope") - } - return err -} - -// Start implements node.Service, starting the background data propagation thread -// of the Whisper protocol. -func (w *Whisper) Start(*p2p.Server) error { - log.Info("started whisper v." + ProtocolVersionStr) - go w.update() - - numCPU := runtime.NumCPU() - for i := 0; i < numCPU; i++ { - go w.processQueue() - } - - return nil -} - -// Stop implements node.Service, stopping the background data propagation thread -// of the Whisper protocol. -func (w *Whisper) Stop() error { - close(w.quit) - log.Info("whisper stopped") - return nil -} - -// HandlePeer is called by the underlying P2P layer when the whisper sub-protocol -// connection is negotiated. -func (w *Whisper) HandlePeer(peer *p2p.Peer, rw p2p.MsgReadWriter) error { - // Create the new peer and start tracking it - whisperPeer := newPeer(w, peer, rw) - - w.peerMu.Lock() - w.peers[whisperPeer] = struct{}{} - w.peerMu.Unlock() - - defer func() { - w.peerMu.Lock() - delete(w.peers, whisperPeer) - w.peerMu.Unlock() - }() - - // Run the peer handshake and state updates - if err := whisperPeer.handshake(); err != nil { - return err - } - whisperPeer.start() - defer whisperPeer.stop() - - return w.runMessageLoop(whisperPeer, rw) -} - -// runMessageLoop reads and processes inbound messages directly to merge into client-global state. -func (w *Whisper) runMessageLoop(p *Peer, rw p2p.MsgReadWriter) error { - for { - // fetch the next packet - packet, err := rw.ReadMsg() - if err != nil { - log.Info("message loop", "peer", p.peer.ID(), "err", err) - return err - } - if packet.Size > w.MaxMessageSize() { - log.Warn("oversized message received", "peer", p.peer.ID()) - return errors.New("oversized message received") - } - - switch packet.Code { - case statusCode: - // this should not happen, but no need to panic; just ignore this message. - log.Warn("unxepected status message received", "peer", p.peer.ID()) - case messagesCode: - // decode the contained envelopes - var envelope Envelope - if err := packet.Decode(&envelope); err != nil { - log.Warn("failed to decode envelope, peer will be disconnected", "peer", p.peer.ID(), "err", err) - return errors.New("invalid envelope") - } - cached, err := w.add(&envelope) - if err != nil { - log.Warn("bad envelope received, peer will be disconnected", "peer", p.peer.ID(), "err", err) - return errors.New("invalid envelope") - } - if cached { - p.mark(&envelope) - } - case p2pCode: - // peer-to-peer message, sent directly to peer bypassing PoW checks, etc. - // this message is not supposed to be forwarded to other peers, and - // therefore might not satisfy the PoW, expiry and other requirements. - // these messages are only accepted from the trusted peer. - if p.trusted { - var envelope Envelope - if err := packet.Decode(&envelope); err != nil { - log.Warn("failed to decode direct message, peer will be disconnected", "peer", p.peer.ID(), "err", err) - return errors.New("invalid direct message") - } - w.postEvent(&envelope, true) - } - case p2pRequestCode: - // Must be processed if mail server is implemented. Otherwise ignore. - if w.mailServer != nil { - var request Envelope - if err := packet.Decode(&request); err != nil { - log.Warn("failed to decode p2p request message, peer will be disconnected", "peer", p.peer.ID(), "err", err) - return errors.New("invalid p2p request") - } - w.mailServer.DeliverMail(p, &request) - } - default: - // New message types might be implemented in the future versions of Whisper. - // For forward compatibility, just ignore. - } - - packet.Discard() - } -} - -// add inserts a new envelope into the message pool to be distributed within the -// whisper network. It also inserts the envelope into the expiration pool at the -// appropriate time-stamp. In case of error, connection should be dropped. -func (w *Whisper) add(envelope *Envelope) (bool, error) { - now := uint32(time.Now().Unix()) - sent := envelope.Expiry - envelope.TTL - - if sent > now { - if sent-SynchAllowance > now { - return false, fmt.Errorf("envelope created in the future [%x]", envelope.Hash()) - } - // recalculate PoW, adjusted for the time difference, plus one second for latency - envelope.calculatePoW(sent - now + 1) - } - - if envelope.Expiry < now { - if envelope.Expiry+SynchAllowance*2 < now { - return false, fmt.Errorf("very old message") - } - log.Debug("expired envelope dropped", "hash", envelope.Hash().Hex()) - return false, nil // drop envelope without error - } - - if uint32(envelope.size()) > w.MaxMessageSize() { - return false, fmt.Errorf("huge messages are not allowed [%x]", envelope.Hash()) - } - - if len(envelope.Version) > 4 { - return false, fmt.Errorf("oversized version [%x]", envelope.Hash()) - } - - aesNonceSize := len(envelope.AESNonce) - if aesNonceSize != 0 && aesNonceSize != AESNonceLength { - // the standard AES GCM nonce size is 12 bytes, - // but constant gcmStandardNonceSize cannot be accessed (not exported) - return false, fmt.Errorf("wrong size of AESNonce: %d bytes [env: %x]", aesNonceSize, envelope.Hash()) - } - - if envelope.PoW() < w.MinPow() { - log.Debug("envelope with low PoW dropped", "PoW", envelope.PoW(), "hash", envelope.Hash().Hex()) - return false, nil // drop envelope without error - } - - hash := envelope.Hash() - - w.poolMu.Lock() - _, alreadyCached := w.envelopes[hash] - if !alreadyCached { - w.envelopes[hash] = envelope - if w.expirations[envelope.Expiry] == nil { - w.expirations[envelope.Expiry] = mapset.NewThreadUnsafeSet() - } - if !w.expirations[envelope.Expiry].Contains(hash) { - w.expirations[envelope.Expiry].Add(hash) - } - } - w.poolMu.Unlock() - - if alreadyCached { - log.Trace("whisper envelope already cached", "hash", envelope.Hash().Hex()) - } else { - log.Trace("cached whisper envelope", "hash", envelope.Hash().Hex()) - w.statsMu.Lock() - w.stats.memoryUsed += envelope.size() - w.statsMu.Unlock() - w.postEvent(envelope, false) // notify the local node about the new message - if w.mailServer != nil { - w.mailServer.Archive(envelope) - } - } - return true, nil -} - -// postEvent queues the message for further processing. -func (w *Whisper) postEvent(envelope *Envelope, isP2P bool) { - // if the version of incoming message is higher than - // currently supported version, we can not decrypt it, - // and therefore just ignore this message - if envelope.Ver() <= EnvelopeVersion { - if isP2P { - w.p2pMsgQueue <- envelope - } else { - w.checkOverflow() - w.messageQueue <- envelope - } - } -} - -// checkOverflow checks if message queue overflow occurs and reports it if necessary. -func (w *Whisper) checkOverflow() { - queueSize := len(w.messageQueue) - - if queueSize == messageQueueLimit { - if !w.Overflow() { - w.settings.Store(overflowIdx, true) - log.Warn("message queue overflow") - } - } else if queueSize <= messageQueueLimit/2 { - if w.Overflow() { - w.settings.Store(overflowIdx, false) - log.Warn("message queue overflow fixed (back to normal)") - } - } -} - -// processQueue delivers the messages to the watchers during the lifetime of the whisper node. -func (w *Whisper) processQueue() { - var e *Envelope - for { - select { - case <-w.quit: - return - - case e = <-w.messageQueue: - w.filters.NotifyWatchers(e, false) - - case e = <-w.p2pMsgQueue: - w.filters.NotifyWatchers(e, true) - } - } -} - -// update loops until the lifetime of the whisper node, updating its internal -// state by expiring stale messages from the pool. -func (w *Whisper) update() { - // Start a ticker to check for expirations - expire := time.NewTicker(expirationCycle) - - // Repeat updates until termination is requested - for { - select { - case <-expire.C: - w.expire() - - case <-w.quit: - return - } - } -} - -// expire iterates over all the expiration timestamps, removing all stale -// messages from the pools. -func (w *Whisper) expire() { - w.poolMu.Lock() - defer w.poolMu.Unlock() - - w.statsMu.Lock() - defer w.statsMu.Unlock() - w.stats.reset() - now := uint32(time.Now().Unix()) - for expiry, hashSet := range w.expirations { - if expiry < now { - // Dump all expired messages and remove timestamp - hashSet.Each(func(v interface{}) bool { - sz := w.envelopes[v.(common.Hash)].size() - delete(w.envelopes, v.(common.Hash)) - w.stats.messagesCleared++ - w.stats.memoryCleared += sz - w.stats.memoryUsed -= sz - return false - }) - w.expirations[expiry].Clear() - delete(w.expirations, expiry) - } - } -} - -// Stats returns the whisper node statistics. -func (w *Whisper) Stats() Statistics { - w.statsMu.Lock() - defer w.statsMu.Unlock() - - return w.stats -} - -// Envelopes retrieves all the messages currently pooled by the node. -func (w *Whisper) Envelopes() []*Envelope { - w.poolMu.RLock() - defer w.poolMu.RUnlock() - - all := make([]*Envelope, 0, len(w.envelopes)) - for _, envelope := range w.envelopes { - all = append(all, envelope) - } - return all -} - -// Messages iterates through all currently floating envelopes -// and retrieves all the messages, that this filter could decrypt. -func (w *Whisper) Messages(id string) []*ReceivedMessage { - result := make([]*ReceivedMessage, 0) - w.poolMu.RLock() - defer w.poolMu.RUnlock() - - if filter := w.filters.Get(id); filter != nil { - for _, env := range w.envelopes { - msg := filter.processEnvelope(env) - if msg != nil { - result = append(result, msg) - } - } - } - return result -} - -// isEnvelopeCached checks if envelope with specific hash has already been received and cached. -func (w *Whisper) isEnvelopeCached(hash common.Hash) bool { - w.poolMu.Lock() - defer w.poolMu.Unlock() - - _, exist := w.envelopes[hash] - return exist -} - -// reset resets the node's statistics after each expiry cycle. -func (s *Statistics) reset() { - s.cycles++ - s.totalMessagesCleared += s.messagesCleared - - s.memoryCleared = 0 - s.messagesCleared = 0 -} - -// ValidatePublicKey checks the format of the given public key. -func ValidatePublicKey(k *ecdsa.PublicKey) bool { - return k != nil && k.X != nil && k.Y != nil && k.X.Sign() != 0 && k.Y.Sign() != 0 -} - -// validatePrivateKey checks the format of the given private key. -func validatePrivateKey(k *ecdsa.PrivateKey) bool { - if k == nil || k.D == nil || k.D.Sign() == 0 { - return false - } - return ValidatePublicKey(&k.PublicKey) -} - -// validateSymmetricKey returns false if the key contains all zeros -func validateSymmetricKey(k []byte) bool { - return len(k) > 0 && !containsOnlyZeros(k) -} - -// containsOnlyZeros checks if the data contain only zeros. -func containsOnlyZeros(data []byte) bool { - for _, b := range data { - if b != 0 { - return false - } - } - return true -} - -// bytesToUintLittleEndian converts the slice to 64-bit unsigned integer. -func bytesToUintLittleEndian(b []byte) (res uint64) { - mul := uint64(1) - for i := 0; i < len(b); i++ { - res += uint64(b[i]) * mul - mul *= 256 - } - return res -} - -// BytesToUintBigEndian converts the slice to 64-bit unsigned integer. -func BytesToUintBigEndian(b []byte) (res uint64) { - for i := 0; i < len(b); i++ { - res *= 256 - res += uint64(b[i]) - } - return res -} - -// deriveKeyMaterial derives symmetric key material from the key or password. -// pbkdf2 is used for security, in case people use password instead of randomly generated keys. -func deriveKeyMaterial(key []byte, version uint64) (derivedKey []byte, err error) { - if version == 0 { - // kdf should run no less than 0.1 seconds on average compute, - // because it's a once in a session experience - derivedKey := pbkdf2.Key(key, nil, 65356, aesKeyLength, sha256.New) - return derivedKey, nil - } - return nil, unknownVersionError(version) -} - -// GenerateRandomID generates a random string, which is then returned to be used as a key id -func GenerateRandomID() (id string, err error) { - buf := make([]byte, keyIdSize) - _, err = crand.Read(buf) - if err != nil { - return "", err - } - if !validateSymmetricKey(buf) { - return "", fmt.Errorf("error in generateRandomID: crypto/rand failed to generate random data") - } - id = common.Bytes2Hex(buf) - return id, err -} diff --git a/whisper/whisperv5/whisper_test.go b/whisper/whisperv5/whisper_test.go deleted file mode 100644 index a7bd17e4d..000000000 --- a/whisper/whisperv5/whisper_test.go +++ /dev/null @@ -1,858 +0,0 @@ -// Copyright 2016 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 whisperv5 - -import ( - "bytes" - "crypto/ecdsa" - mrand "math/rand" - "testing" - "time" - - "github.com/ethereum/go-ethereum/common" -) - -func TestWhisperBasic(t *testing.T) { - w := New(&DefaultConfig) - p := w.Protocols() - shh := p[0] - if shh.Name != ProtocolName { - t.Fatalf("failed Protocol Name: %v.", shh.Name) - } - if uint64(shh.Version) != ProtocolVersion { - t.Fatalf("failed Protocol Version: %v.", shh.Version) - } - if shh.Length != NumberOfMessageCodes { - t.Fatalf("failed Protocol Length: %v.", shh.Length) - } - if shh.Run == nil { - t.Fatalf("failed shh.Run.") - } - if uint64(w.Version()) != ProtocolVersion { - t.Fatalf("failed whisper Version: %v.", shh.Version) - } - if w.GetFilter("non-existent") != nil { - t.Fatalf("failed GetFilter.") - } - - peerID := make([]byte, 64) - mrand.Read(peerID) - peer, _ := w.getPeer(peerID) - if peer != nil { - t.Fatal("found peer for random key.") - } - if err := w.AllowP2PMessagesFromPeer(peerID); err == nil { - t.Fatalf("failed MarkPeerTrusted.") - } - exist := w.HasSymKey("non-existing") - if exist { - t.Fatalf("failed HasSymKey.") - } - key, err := w.GetSymKey("non-existing") - if err == nil { - t.Fatalf("failed GetSymKey(non-existing): false positive.") - } - if key != nil { - t.Fatalf("failed GetSymKey: false positive.") - } - mail := w.Envelopes() - if len(mail) != 0 { - t.Fatalf("failed w.Envelopes().") - } - m := w.Messages("non-existent") - if len(m) != 0 { - t.Fatalf("failed w.Messages.") - } - - var derived []byte - ver := uint64(0xDEADBEEF) - if _, err := deriveKeyMaterial(peerID, ver); err != unknownVersionError(ver) { - t.Fatalf("failed deriveKeyMaterial with param = %v: %s.", peerID, err) - } - derived, err = deriveKeyMaterial(peerID, 0) - if err != nil { - t.Fatalf("failed second deriveKeyMaterial with param = %v: %s.", peerID, err) - } - if !validateSymmetricKey(derived) { - t.Fatalf("failed validateSymmetricKey with param = %v.", derived) - } - if containsOnlyZeros(derived) { - t.Fatalf("failed containsOnlyZeros with param = %v.", derived) - } - - buf := []byte{0xFF, 0xE5, 0x80, 0x2, 0} - le := bytesToUintLittleEndian(buf) - be := BytesToUintBigEndian(buf) - if le != uint64(0x280e5ff) { - t.Fatalf("failed bytesToIntLittleEndian: %d.", le) - } - if be != uint64(0xffe5800200) { - t.Fatalf("failed BytesToIntBigEndian: %d.", be) - } - - id, err := w.NewKeyPair() - if err != nil { - t.Fatalf("failed to generate new key pair: %s.", err) - } - pk, err := w.GetPrivateKey(id) - if err != nil { - t.Fatalf("failed to retrieve new key pair: %s.", err) - } - if !validatePrivateKey(pk) { - t.Fatalf("failed validatePrivateKey: %v.", pk) - } - if !ValidatePublicKey(&pk.PublicKey) { - t.Fatalf("failed ValidatePublicKey: %v.", pk) - } -} - -func TestWhisperAsymmetricKeyImport(t *testing.T) { - var ( - w = New(&DefaultConfig) - privateKeys []*ecdsa.PrivateKey - ) - - for i := 0; i < 50; i++ { - id, err := w.NewKeyPair() - if err != nil { - t.Fatalf("could not generate key: %v", err) - } - - pk, err := w.GetPrivateKey(id) - if err != nil { - t.Fatalf("could not export private key: %v", err) - } - - privateKeys = append(privateKeys, pk) - - if !w.DeleteKeyPair(id) { - t.Fatalf("could not delete private key") - } - } - - for _, pk := range privateKeys { - if _, err := w.AddKeyPair(pk); err != nil { - t.Fatalf("could not import private key: %v", err) - } - } -} - -func TestWhisperIdentityManagement(t *testing.T) { - w := New(&DefaultConfig) - id1, err := w.NewKeyPair() - if err != nil { - t.Fatalf("failed to generate new key pair: %s.", err) - } - id2, err := w.NewKeyPair() - if err != nil { - t.Fatalf("failed to generate new key pair: %s.", err) - } - pk1, err := w.GetPrivateKey(id1) - if err != nil { - t.Fatalf("failed to retrieve the key pair: %s.", err) - } - pk2, err := w.GetPrivateKey(id2) - if err != nil { - t.Fatalf("failed to retrieve the key pair: %s.", err) - } - - if !w.HasKeyPair(id1) { - t.Fatalf("failed HasIdentity(pk1).") - } - if !w.HasKeyPair(id2) { - t.Fatalf("failed HasIdentity(pk2).") - } - if pk1 == nil { - t.Fatalf("failed GetIdentity(pk1).") - } - if pk2 == nil { - t.Fatalf("failed GetIdentity(pk2).") - } - - if !validatePrivateKey(pk1) { - t.Fatalf("pk1 is invalid.") - } - if !validatePrivateKey(pk2) { - t.Fatalf("pk2 is invalid.") - } - - // Delete one identity - done := w.DeleteKeyPair(id1) - if !done { - t.Fatalf("failed to delete id1.") - } - pk1, err = w.GetPrivateKey(id1) - if err == nil { - t.Fatalf("retrieve the key pair: false positive.") - } - pk2, err = w.GetPrivateKey(id2) - if err != nil { - t.Fatalf("failed to retrieve the key pair: %s.", err) - } - if w.HasKeyPair(id1) { - t.Fatalf("failed DeleteIdentity(pub1): still exist.") - } - if !w.HasKeyPair(id2) { - t.Fatalf("failed DeleteIdentity(pub1): pub2 does not exist.") - } - if pk1 != nil { - t.Fatalf("failed DeleteIdentity(pub1): first key still exist.") - } - if pk2 == nil { - t.Fatalf("failed DeleteIdentity(pub1): second key does not exist.") - } - - // Delete again non-existing identity - done = w.DeleteKeyPair(id1) - if done { - t.Fatalf("delete id1: false positive.") - } - pk1, err = w.GetPrivateKey(id1) - if err == nil { - t.Fatalf("retrieve the key pair: false positive.") - } - pk2, err = w.GetPrivateKey(id2) - if err != nil { - t.Fatalf("failed to retrieve the key pair: %s.", err) - } - if w.HasKeyPair(id1) { - t.Fatalf("failed delete non-existing identity: exist.") - } - if !w.HasKeyPair(id2) { - t.Fatalf("failed delete non-existing identity: pub2 does not exist.") - } - if pk1 != nil { - t.Fatalf("failed delete non-existing identity: first key exist.") - } - if pk2 == nil { - t.Fatalf("failed delete non-existing identity: second key does not exist.") - } - - // Delete second identity - done = w.DeleteKeyPair(id2) - if !done { - t.Fatalf("failed to delete id2.") - } - pk1, err = w.GetPrivateKey(id1) - if err == nil { - t.Fatalf("retrieve the key pair: false positive.") - } - pk2, err = w.GetPrivateKey(id2) - if err == nil { - t.Fatalf("retrieve the key pair: false positive.") - } - if w.HasKeyPair(id1) { - t.Fatalf("failed delete second identity: first identity exist.") - } - if w.HasKeyPair(id2) { - t.Fatalf("failed delete second identity: still exist.") - } - if pk1 != nil { - t.Fatalf("failed delete second identity: first key exist.") - } - if pk2 != nil { - t.Fatalf("failed delete second identity: second key exist.") - } -} - -func TestWhisperSymKeyManagement(t *testing.T) { - InitSingleTest() - - var err error - var k1, k2 []byte - w := New(&DefaultConfig) - id1 := string("arbitrary-string-1") - id2 := string("arbitrary-string-2") - - id1, err = w.GenerateSymKey() - if err != nil { - t.Fatalf("failed GenerateSymKey with seed %d: %s.", seed, err) - } - - k1, err = w.GetSymKey(id1) - if err != nil { - t.Fatalf("failed GetSymKey(id1).") - } - k2, err = w.GetSymKey(id2) - if err == nil { - t.Fatalf("failed GetSymKey(id2): false positive.") - } - if !w.HasSymKey(id1) { - t.Fatalf("failed HasSymKey(id1).") - } - if w.HasSymKey(id2) { - t.Fatalf("failed HasSymKey(id2): false positive.") - } - if k1 == nil { - t.Fatalf("first key does not exist.") - } - if k2 != nil { - t.Fatalf("second key still exist.") - } - - // add existing id, nothing should change - randomKey := make([]byte, aesKeyLength) - mrand.Read(randomKey) - id1, err = w.AddSymKeyDirect(randomKey) - if err != nil { - t.Fatalf("failed AddSymKey with seed %d: %s.", seed, err) - } - - k1, err = w.GetSymKey(id1) - if err != nil { - t.Fatalf("failed w.GetSymKey(id1).") - } - k2, err = w.GetSymKey(id2) - if err == nil { - t.Fatalf("failed w.GetSymKey(id2): false positive.") - } - if !w.HasSymKey(id1) { - t.Fatalf("failed w.HasSymKey(id1).") - } - if w.HasSymKey(id2) { - t.Fatalf("failed w.HasSymKey(id2): false positive.") - } - if k1 == nil { - t.Fatalf("first key does not exist.") - } - if !bytes.Equal(k1, randomKey) { - t.Fatalf("k1 != randomKey.") - } - if k2 != nil { - t.Fatalf("second key already exist.") - } - - id2, err = w.AddSymKeyDirect(randomKey) - if err != nil { - t.Fatalf("failed AddSymKey(id2) with seed %d: %s.", seed, err) - } - k1, err = w.GetSymKey(id1) - if err != nil { - t.Fatalf("failed w.GetSymKey(id1).") - } - k2, err = w.GetSymKey(id2) - if err != nil { - t.Fatalf("failed w.GetSymKey(id2).") - } - if !w.HasSymKey(id1) { - t.Fatalf("HasSymKey(id1) failed.") - } - if !w.HasSymKey(id2) { - t.Fatalf("HasSymKey(id2) failed.") - } - if k1 == nil { - t.Fatalf("k1 does not exist.") - } - if k2 == nil { - t.Fatalf("k2 does not exist.") - } - if !bytes.Equal(k1, k2) { - t.Fatalf("k1 != k2.") - } - if !bytes.Equal(k1, randomKey) { - t.Fatalf("k1 != randomKey.") - } - if len(k1) != aesKeyLength { - t.Fatalf("wrong length of k1.") - } - if len(k2) != aesKeyLength { - t.Fatalf("wrong length of k2.") - } - - w.DeleteSymKey(id1) - k1, err = w.GetSymKey(id1) - if err == nil { - t.Fatalf("failed w.GetSymKey(id1): false positive.") - } - if k1 != nil { - t.Fatalf("failed GetSymKey(id1): false positive.") - } - k2, err = w.GetSymKey(id2) - if err != nil { - t.Fatalf("failed w.GetSymKey(id2).") - } - if w.HasSymKey(id1) { - t.Fatalf("failed to delete first key: still exist.") - } - if !w.HasSymKey(id2) { - t.Fatalf("failed to delete first key: second key does not exist.") - } - if k1 != nil { - t.Fatalf("failed to delete first key.") - } - if k2 == nil { - t.Fatalf("failed to delete first key: second key is nil.") - } - - w.DeleteSymKey(id1) - w.DeleteSymKey(id2) - k1, err = w.GetSymKey(id1) - if err == nil { - t.Fatalf("failed w.GetSymKey(id1): false positive.") - } - k2, err = w.GetSymKey(id2) - if err == nil { - t.Fatalf("failed w.GetSymKey(id2): false positive.") - } - if k1 != nil || k2 != nil { - t.Fatalf("k1 or k2 is not nil") - } - if w.HasSymKey(id1) { - t.Fatalf("failed to delete second key: first key exist.") - } - if w.HasSymKey(id2) { - t.Fatalf("failed to delete second key: still exist.") - } - if k1 != nil { - t.Fatalf("failed to delete second key: first key is not nil.") - } - if k2 != nil { - t.Fatalf("failed to delete second key: second key is not nil.") - } - - randomKey = make([]byte, aesKeyLength+1) - mrand.Read(randomKey) - _, err = w.AddSymKeyDirect(randomKey) - if err == nil { - t.Fatalf("added the key with wrong size, seed %d.", seed) - } - - const password = "arbitrary data here" - id1, err = w.AddSymKeyFromPassword(password) - if err != nil { - t.Fatalf("failed AddSymKeyFromPassword(id1) with seed %d: %s.", seed, err) - } - id2, err = w.AddSymKeyFromPassword(password) - if err != nil { - t.Fatalf("failed AddSymKeyFromPassword(id2) with seed %d: %s.", seed, err) - } - k1, err = w.GetSymKey(id1) - if err != nil { - t.Fatalf("failed w.GetSymKey(id1).") - } - k2, err = w.GetSymKey(id2) - if err != nil { - t.Fatalf("failed w.GetSymKey(id2).") - } - if !w.HasSymKey(id1) { - t.Fatalf("HasSymKey(id1) failed.") - } - if !w.HasSymKey(id2) { - t.Fatalf("HasSymKey(id2) failed.") - } - if k1 == nil { - t.Fatalf("k1 does not exist.") - } - if k2 == nil { - t.Fatalf("k2 does not exist.") - } - if !bytes.Equal(k1, k2) { - t.Fatalf("k1 != k2.") - } - if len(k1) != aesKeyLength { - t.Fatalf("wrong length of k1.") - } - if len(k2) != aesKeyLength { - t.Fatalf("wrong length of k2.") - } - if !validateSymmetricKey(k2) { - t.Fatalf("key validation failed.") - } -} - -func TestExpiry(t *testing.T) { - InitSingleTest() - - w := New(&DefaultConfig) - w.SetMinimumPoW(0.0000001) - defer w.SetMinimumPoW(DefaultMinimumPoW) - w.Start(nil) - defer w.Stop() - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - params.TTL = 1 - - messagesCount := 5 - - // Send a few messages one after another. Due to low PoW and expiration buckets - // with one second resolution, it covers a case when there are multiple items - // in a single expiration bucket. - for i := 0; i < messagesCount; i++ { - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - err = w.Send(env) - if err != nil { - t.Fatalf("failed to send envelope with seed %d: %s.", seed, err) - } - } - - // wait till received or timeout - var received, expired bool - for j := 0; j < 20; j++ { - time.Sleep(100 * time.Millisecond) - if len(w.Envelopes()) == messagesCount { - received = true - break - } - } - - if !received { - t.Fatalf("did not receive the sent envelope, seed: %d.", seed) - } - - // wait till expired or timeout - for j := 0; j < 20; j++ { - time.Sleep(100 * time.Millisecond) - if len(w.Envelopes()) == 0 { - expired = true - break - } - } - - if !expired { - t.Fatalf("expire failed, seed: %d.", seed) - } -} - -func TestCustomization(t *testing.T) { - InitSingleTest() - - w := New(&DefaultConfig) - defer w.SetMinimumPoW(DefaultMinimumPoW) - defer w.SetMaxMessageSize(DefaultMaxMessageSize) - w.Start(nil) - defer w.Stop() - - const smallPoW = 0.00001 - - f, err := generateFilter(t, true) - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - params.KeySym = f.KeySym - params.Topic = BytesToTopic(f.Topics[2]) - params.PoW = smallPoW - params.TTL = 3600 * 24 // one day - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - err = w.Send(env) - if err == nil { - t.Fatalf("successfully sent envelope with PoW %.06f, false positive (seed %d).", env.PoW(), seed) - } - - w.SetMinimumPoW(smallPoW / 2) - err = w.Send(env) - if err != nil { - t.Fatalf("failed to send envelope with seed %d: %s.", seed, err) - } - - params.TTL++ - msg, err = NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err = msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - w.SetMaxMessageSize(uint32(env.size() - 1)) - err = w.Send(env) - if err == nil { - t.Fatalf("successfully sent oversized envelope (seed %d): false positive.", seed) - } - - w.SetMaxMessageSize(DefaultMaxMessageSize) - err = w.Send(env) - if err != nil { - t.Fatalf("failed to send second envelope with seed %d: %s.", seed, err) - } - - // wait till received or timeout - var received bool - for j := 0; j < 20; j++ { - time.Sleep(100 * time.Millisecond) - if len(w.Envelopes()) > 1 { - received = true - break - } - } - - if !received { - t.Fatalf("did not receive the sent envelope, seed: %d.", seed) - } - - // check w.messages() - id, err := w.Subscribe(f) - if err != nil { - t.Fatalf("failed subscribe with seed %d: %s.", seed, err) - } - time.Sleep(5 * time.Millisecond) - mail := f.Retrieve() - if len(mail) > 0 { - t.Fatalf("received premature mail") - } - - mail = w.Messages(id) - if len(mail) != 2 { - t.Fatalf("failed to get whisper messages") - } -} - -func TestSymmetricSendCycle(t *testing.T) { - InitSingleTest() - - w := New(&DefaultConfig) - defer w.SetMinimumPoW(DefaultMinimumPoW) - defer w.SetMaxMessageSize(DefaultMaxMessageSize) - w.Start(nil) - defer w.Stop() - - filter1, err := generateFilter(t, true) - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - filter1.PoW = DefaultMinimumPoW - - // Copy the first filter since some of its fields - // are randomly gnerated. - filter2 := &Filter{ - KeySym: filter1.KeySym, - Topics: filter1.Topics, - PoW: filter1.PoW, - AllowP2P: filter1.AllowP2P, - Messages: make(map[common.Hash]*ReceivedMessage), - } - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - filter1.Src = ¶ms.Src.PublicKey - filter2.Src = ¶ms.Src.PublicKey - - params.KeySym = filter1.KeySym - params.Topic = BytesToTopic(filter1.Topics[2]) - params.PoW = filter1.PoW - params.WorkTime = 10 - params.TTL = 50 - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - _, err = w.Subscribe(filter1) - if err != nil { - t.Fatalf("failed subscribe 1 with seed %d: %s.", seed, err) - } - - _, err = w.Subscribe(filter2) - if err != nil { - t.Fatalf("failed subscribe 2 with seed %d: %s.", seed, err) - } - - err = w.Send(env) - if err != nil { - t.Fatalf("Failed sending envelope with PoW %.06f (seed %d): %s", env.PoW(), seed, err) - } - - // wait till received or timeout - var received bool - for j := 0; j < 200; j++ { - time.Sleep(10 * time.Millisecond) - if len(w.Envelopes()) > 0 { - received = true - break - } - } - - if !received { - t.Fatalf("did not receive the sent envelope, seed: %d.", seed) - } - - // check w.messages() - time.Sleep(5 * time.Millisecond) - mail1 := filter1.Retrieve() - mail2 := filter2.Retrieve() - if len(mail2) == 0 { - t.Fatalf("did not receive any email for filter 2") - } - if len(mail1) == 0 { - t.Fatalf("did not receive any email for filter 1") - } - -} - -func TestSymmetricSendWithoutAKey(t *testing.T) { - InitSingleTest() - - w := New(&DefaultConfig) - defer w.SetMinimumPoW(DefaultMinimumPoW) - defer w.SetMaxMessageSize(DefaultMaxMessageSize) - w.Start(nil) - defer w.Stop() - - filter, err := generateFilter(t, true) - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - filter.PoW = DefaultMinimumPoW - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - filter.Src = nil - - params.KeySym = filter.KeySym - params.Topic = BytesToTopic(filter.Topics[2]) - params.PoW = filter.PoW - params.WorkTime = 10 - params.TTL = 50 - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - _, err = w.Subscribe(filter) - if err != nil { - t.Fatalf("failed subscribe 1 with seed %d: %s.", seed, err) - } - - err = w.Send(env) - if err != nil { - t.Fatalf("Failed sending envelope with PoW %.06f (seed %d): %s", env.PoW(), seed, err) - } - - // wait till received or timeout - var received bool - for j := 0; j < 200; j++ { - time.Sleep(10 * time.Millisecond) - if len(w.Envelopes()) > 0 { - received = true - break - } - } - - if !received { - t.Fatalf("did not receive the sent envelope, seed: %d.", seed) - } - - // check w.messages() - time.Sleep(5 * time.Millisecond) - mail := filter.Retrieve() - if len(mail) == 0 { - t.Fatalf("did not receive message in spite of not setting a public key") - } -} - -func TestSymmetricSendKeyMismatch(t *testing.T) { - InitSingleTest() - - w := New(&DefaultConfig) - defer w.SetMinimumPoW(DefaultMinimumPoW) - defer w.SetMaxMessageSize(DefaultMaxMessageSize) - w.Start(nil) - defer w.Stop() - - filter, err := generateFilter(t, true) - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - filter.PoW = DefaultMinimumPoW - - params, err := generateMessageParams() - if err != nil { - t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err) - } - - params.KeySym = filter.KeySym - params.Topic = BytesToTopic(filter.Topics[2]) - params.PoW = filter.PoW - params.WorkTime = 10 - params.TTL = 50 - msg, err := NewSentMessage(params) - if err != nil { - t.Fatalf("failed to create new message with seed %d: %s.", seed, err) - } - env, err := msg.Wrap(params) - if err != nil { - t.Fatalf("failed Wrap with seed %d: %s.", seed, err) - } - - _, err = w.Subscribe(filter) - if err != nil { - t.Fatalf("failed subscribe 1 with seed %d: %s.", seed, err) - } - - err = w.Send(env) - if err != nil { - t.Fatalf("Failed sending envelope with PoW %.06f (seed %d): %s", env.PoW(), seed, err) - } - - // wait till received or timeout - var received bool - for j := 0; j < 200; j++ { - time.Sleep(10 * time.Millisecond) - if len(w.Envelopes()) > 0 { - received = true - break - } - } - - if !received { - t.Fatalf("did not receive the sent envelope, seed: %d.", seed) - } - - // check w.messages() - time.Sleep(5 * time.Millisecond) - mail := filter.Retrieve() - if len(mail) > 0 { - t.Fatalf("received a message when keys weren't matching") - } -} |