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Refactor mailserver tests (#970)

This commit is contained in:
Adrià Cidre 2018-05-21 13:30:37 +02:00 committed by GitHub
parent e9da21cf87
commit 06e64cdde2
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5 changed files with 544 additions and 233 deletions
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11
mailserver/cleaner_test.go
View File

@ -8,6 +8,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
whisper "github.com/ethereum/go-ethereum/whisper/whisperv6"
"github.com/stretchr/testify/require"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/storage"
"github.com/syndtr/goleveldb/leveldb/util"
@ -73,7 +74,8 @@ func setupTestServer(t *testing.T) *WMailServer {
}
func archiveEnvelope(t *testing.T, sentTime time.Time, server *WMailServer) *whisper.Envelope {
env := generateEnvelope(t, sentTime)
env, err := generateEnvelope(sentTime)
require.NoError(t, err)
server.Archive(env)
return env
@ -82,14 +84,15 @@ func archiveEnvelope(t *testing.T, sentTime time.Time, server *WMailServer) *whi
func testPrune(t *testing.T, u time.Time, expected int, c *Cleaner, s *WMailServer) {
upper := uint32(u.Unix())
_, err := c.Prune(0, upper)
assert(err == nil, "", t)
require.NoError(t, err)
count := countMessages(t, s.db)
assert(count == expected, fmt.Sprintf("expected %d message, got: %d", expected, count), t)
require.Equal(t, expected, count, fmt.Sprintf("expected %d message, got: %d", expected, count))
}
func testMessagesCount(t *testing.T, expected int, s *WMailServer) {
count := countMessages(t, s.db)
assert(count == expected, fmt.Sprintf("expected %d message, got: %d", expected, count), t)
require.Equal(t, expected, count, fmt.Sprintf("expected %d message, got: %d", expected, count))
}
func countMessages(t *testing.T, db *leveldb.DB) int {

50
mailserver/limiter.go Normal file
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@ -0,0 +1,50 @@
package mailserver
import (
"sync"
"time"
)
type limiter struct {
mu sync.RWMutex
timeout time.Duration
db map[string]time.Time
}
func newLimiter(timeout time.Duration) *limiter {
return &limiter{
timeout: timeout,
db: make(map[string]time.Time),
}
}
func (l *limiter) add(id string) {
l.mu.Lock()
defer l.mu.Unlock()
l.db[id] = time.Now()
}
func (l *limiter) isAllowed(id string) bool {
l.mu.RLock()
defer l.mu.RUnlock()
if lastRequestTime, ok := l.db[id]; ok {
return lastRequestTime.Add(l.timeout).Before(time.Now())
}
return true
}
func (l *limiter) deleteExpired() {
l.mu.Lock()
defer l.mu.Unlock()
now := time.Now()
for id, lastRequestTime := range l.db {
if lastRequestTime.Add(l.timeout).Before(now) {
delete(l.db, id)
}
}
}

93
mailserver/limiter_test.go Normal file
View File

@ -0,0 +1,93 @@
package mailserver
import (
"fmt"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestIsAllowed(t *testing.T) {
peerID := "peerID"
testCases := []struct {
t time.Duration
shouldBeAllowed bool
db func() map[string]time.Time
errMsg string
info string
}{
{
t: 5 * time.Millisecond,
shouldBeAllowed: true,
db: func() map[string]time.Time {
return make(map[string]time.Time)
},
errMsg: "Expected limiter not to allow with empty db",
info: "Expecting limiter.isAllowed to not allow with an empty db",
},
{
t: 5 * time.Millisecond,
shouldBeAllowed: true,
db: func() map[string]time.Time {
db := make(map[string]time.Time)
db[peerID] = time.Now().Add(time.Duration(-10) * time.Millisecond)
return db
},
errMsg: "Expected limiter to allow with peer on its db",
info: "Expecting limiter.isAllowed to allow with an expired peer on its db",
},
{
t: 5 * time.Millisecond,
shouldBeAllowed: false,
db: func() map[string]time.Time {
db := make(map[string]time.Time)
db[peerID] = time.Now().Add(time.Duration(-1) * time.Millisecond)
return db
},
errMsg: "Expected limiter to not allow with peer on its db",
info: "Expecting limiter.isAllowed to not allow with a non expired peer on its db",
},
}
for _, tc := range testCases {
t.Run(tc.info, func(*testing.T) {
l := newLimiter(tc.t)
l.db = tc.db()
assert.Equal(t, tc.shouldBeAllowed, l.isAllowed(peerID), tc.errMsg)
})
}
}
func TestRemoveExpiredRateLimits(t *testing.T) {
peer := "peer"
l := newLimiter(time.Duration(5) * time.Second)
for i := 0; i < 10; i++ {
peerID := fmt.Sprintf("%s%d", peer, i)
l.db[peerID] = time.Now().Add(time.Duration(i*(-2)) * time.Second)
}
l.deleteExpired()
assert.Equal(t, 3, len(l.db))
for i := 0; i < 3; i++ {
peerID := fmt.Sprintf("%s%d", peer, i)
_, ok := l.db[peerID]
assert.True(t, ok, fmt.Sprintf("Non expired peer '%s' should exist, but it doesn't", peerID))
}
for i := 3; i < 10; i++ {
peerID := fmt.Sprintf("%s%d", peer, i)
_, ok := l.db[peerID]
assert.False(t, ok, fmt.Sprintf("Expired peer '%s' should not exist, but it does", peerID))
}
}
func TestAddingLimts(t *testing.T) {
peerID := "peerAdding"
l := newLimiter(time.Duration(5) * time.Second)
pre := time.Now()
l.add(peerID)
post := time.Now()
assert.True(t, l.db[peerID].After(pre))
assert.True(t, l.db[peerID].Before(post))
}

164
mailserver/mailserver.go
View File

@ -18,8 +18,9 @@ package mailserver
import (
"encoding/binary"
"errors"
"fmt"
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
@ -36,7 +37,12 @@ const (
maxQueryRange = 24 * time.Hour
)
// WMailServer whisper mailserver
var (
errDirectoryNotProvided = errors.New("data directory not provided")
errPasswordNotProvided = errors.New("password is not specified")
)
// WMailServer whisper mailserver.
type WMailServer struct {
db *leveldb.DB
w *whisper.Whisper
@ -46,14 +52,14 @@ type WMailServer struct {
tick *ticker
}
// DBKey key to be stored on db
// DBKey key to be stored on db.
type DBKey struct {
timestamp uint32
hash common.Hash
raw []byte
}
// NewDbKey creates a new DBKey with the given values
// NewDbKey creates a new DBKey with the given values.
func NewDbKey(t uint32, h common.Hash) *DBKey {
const sz = common.HashLength + 4
var k DBKey
@ -65,16 +71,16 @@ func NewDbKey(t uint32, h common.Hash) *DBKey {
return &k
}
// Init initializes mailServer
// Init initializes mailServer.
func (s *WMailServer) Init(shh *whisper.Whisper, config *params.WhisperConfig) error {
var err error
if len(config.DataDir) == 0 {
return fmt.Errorf("data directory not provided")
return errDirectoryNotProvided
}
if len(config.Password) == 0 {
return fmt.Errorf("password is not specified")
return errPasswordNotProvided
}
s.db, err = leveldb.OpenFile(config.DataDir, nil)
@ -85,34 +91,50 @@ func (s *WMailServer) Init(shh *whisper.Whisper, config *params.WhisperConfig) e
s.w = shh
s.pow = config.MinimumPoW
if err := s.setupWhisperIdentity(config); err != nil {
return err
}
s.setupLimiter(time.Duration(config.MailServerRateLimit) * time.Second)
return nil
}
// setupLimiter in case limit is bigger than 0 it will setup an automated
// limit db cleanup.
func (s *WMailServer) setupLimiter(rateLimit time.Duration) {
limit := rateLimit * time.Second
if limit > 0 {
s.limit = newLimiter(limit)
s.setupMailServerCleanup(limit)
}
}
// setupWhisperIdentity setup the whisper identity (symkey) for the current mail
// server.
func (s *WMailServer) setupWhisperIdentity(config *params.WhisperConfig) error {
MailServerKeyID, err := s.w.AddSymKeyFromPassword(config.Password)
if err != nil {
return fmt.Errorf("create symmetric key: %s", err)
}
s.key, err = s.w.GetSymKey(MailServerKeyID)
if err != nil {
return fmt.Errorf("save symmetric key: %s", err)
}
limit := time.Duration(config.MailServerRateLimit) * time.Second
if limit > 0 {
s.limit = newLimiter(limit)
s.setupMailServerCleanup(limit)
}
return nil
}
// setupMailServerCleanup periodically runs an expired entries deleteion for
// stored limits.
func (s *WMailServer) setupMailServerCleanup(period time.Duration) {
if period <= 0 {
return
}
if s.tick == nil {
s.tick = &ticker{}
}
go s.tick.run(period, s.limit.deleteExpired)
}
// Close the mailserver and its associated db connection
// Close the mailserver and its associated db connection.
func (s *WMailServer) Close() {
if s.db != nil {
if err := s.db.Close(); err != nil {
@ -124,41 +146,47 @@ func (s *WMailServer) Close() {
}
}
// Archive a whisper envelope
// Archive a whisper envelope.
func (s *WMailServer) Archive(env *whisper.Envelope) {
key := NewDbKey(env.Expiry-env.TTL, env.Hash())
rawEnvelope, err := rlp.EncodeToBytes(env)
if err != nil {
log.Error(fmt.Sprintf("rlp.EncodeToBytes failed: %s", err))
} else {
err = s.db.Put(key.raw, rawEnvelope, nil)
if err != nil {
if err = s.db.Put(key.raw, rawEnvelope, nil); err != nil {
log.Error(fmt.Sprintf("Writing to DB failed: %s", err))
}
}
}
// DeliverMail sends mail to specified whisper peer
// DeliverMail sends mail to specified whisper peer.
func (s *WMailServer) DeliverMail(peer *whisper.Peer, request *whisper.Envelope) {
if peer == nil {
log.Error("Whisper peer is nil")
return
}
s.managePeerLimits(peer.ID())
if ok, lower, upper, bloom := s.validateRequest(peer.ID(), request); ok {
s.processRequest(peer, lower, upper, bloom)
}
}
// managePeerLimits in case limit its been setup on the current server and limit
// allows the query, it will store/update new query time for the current peer.
func (s *WMailServer) managePeerLimits(peer []byte) {
if s.limit != nil {
peerID := string(peer.ID())
peerID := string(peer)
if !s.limit.isAllowed(peerID) {
log.Info("peerID exceeded the number of requests per second")
return
}
s.limit.add(peerID)
}
ok, lower, upper, bloom := s.validateRequest(peer.ID(), request)
if ok {
s.processRequest(peer, lower, upper, bloom)
}
}
// processRequest processes the current request and re-sends all stored messages
// accomplishing lower and upper limits.
func (s *WMailServer) processRequest(peer *whisper.Peer, lower, upper uint32, bloom []byte) []*whisper.Envelope {
ret := make([]*whisper.Envelope, 0)
var err error
@ -197,6 +225,7 @@ func (s *WMailServer) processRequest(peer *whisper.Peer, lower, upper uint32, bl
return ret
}
// validateRequest runs different validations on the current request.
func (s *WMailServer) validateRequest(peerID []byte, request *whisper.Envelope) (bool, uint32, uint32, []byte) {
if s.pow > 0.0 && request.PoW() < s.pow {
return false, 0, 0, nil
@ -209,27 +238,14 @@ func (s *WMailServer) validateRequest(peerID []byte, request *whisper.Envelope)
return false, 0, 0, nil
}
src := crypto.FromECDSAPub(decrypted.Src)
if len(src)-len(peerID) == 1 {
src = src[1:]
}
// if you want to check the signature, you can do it here. e.g.:
// if !bytes.Equal(peerID, src) {
if src == nil {
log.Warn(fmt.Sprintf("Wrong signature of p2p request"))
if err := s.checkMsgSignature(decrypted, peerID); err != nil {
log.Warn(err.Error())
return false, 0, 0, nil
}
payloadSize := len(decrypted.Payload)
bloom := decrypted.Payload[8 : 8+whisper.BloomFilterSize]
if payloadSize < 8 {
log.Warn(fmt.Sprintf("Undersized p2p request"))
return false, 0, 0, nil
} else if payloadSize == 8 {
bloom = whisper.MakeFullNodeBloom()
} else if payloadSize < 8+whisper.BloomFilterSize {
log.Warn(fmt.Sprintf("Undersized bloom filter in p2p request"))
bloom, err := s.bloomFromReceivedMessage(decrypted)
if err != nil {
log.Warn(err.Error())
return false, 0, 0, nil
}
@ -246,46 +262,34 @@ func (s *WMailServer) validateRequest(peerID []byte, request *whisper.Envelope)
return true, lower, upper, bloom
}
type limiter struct {
mu sync.RWMutex
timeout time.Duration
db map[string]time.Time
}
func newLimiter(timeout time.Duration) *limiter {
return &limiter{
timeout: timeout,
db: make(map[string]time.Time),
}
}
func (l *limiter) add(id string) {
l.mu.Lock()
defer l.mu.Unlock()
l.db[id] = time.Now()
}
func (l *limiter) isAllowed(id string) bool {
l.mu.RLock()
defer l.mu.RUnlock()
if lastRequestTime, ok := l.db[id]; ok {
return lastRequestTime.Add(l.timeout).Before(time.Now())
// checkMsgSignature returns an error in case the message is not correcly signed
func (s *WMailServer) checkMsgSignature(msg *whisper.ReceivedMessage, id []byte) error {
src := crypto.FromECDSAPub(msg.Src)
if len(src)-len(id) == 1 {
src = src[1:]
}
return true
// if you want to check the signature, you can do it here. e.g.:
// if !bytes.Equal(peerID, src) {
if src == nil {
return errors.New("Wrong signature of p2p request")
}
return nil
}
func (l *limiter) deleteExpired() {
l.mu.Lock()
defer l.mu.Unlock()
// bloomFromReceivedMessage gor a given whisper.ReceivedMessage it extracts the
// used bloom filter
func (s *WMailServer) bloomFromReceivedMessage(msg *whisper.ReceivedMessage) ([]byte, error) {
payloadSize := len(msg.Payload)
now := time.Now()
for id, lastRequestTime := range l.db {
if lastRequestTime.Add(l.timeout).Before(now) {
delete(l.db, id)
}
if payloadSize < 8 {
return nil, errors.New("Undersized p2p request")
} else if payloadSize == 8 {
return whisper.MakeFullNodeBloom(), nil
} else if payloadSize < 8+whisper.BloomFilterSize {
return nil, errors.New("Undersized bloom filter in p2p request")
}
return msg.Payload[8 : 8+whisper.BloomFilterSize], nil
}

457
mailserver/mailserver_test.go
View File

@ -20,21 +20,23 @@ import (
"bytes"
"crypto/ecdsa"
"encoding/binary"
"errors"
"fmt"
"io/ioutil"
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/rlp"
whisper "github.com/ethereum/go-ethereum/whisper/whisperv6"
"github.com/status-im/status-go/geth/params"
"github.com/stretchr/testify/suite"
)
const powRequirement = 0.00001
const peerID = "peerID"
var keyID string
var shh *whisper.Whisper
var seed = time.Now().Unix()
type ServerTestParams struct {
@ -45,83 +47,312 @@ type ServerTestParams struct {
key *ecdsa.PrivateKey
}
func assert(statement bool, text string, t *testing.T) {
if !statement {
t.Fatal(text)
func TestMailserverSuite(t *testing.T) {
suite.Run(t, new(MailserverSuite))
}
type MailserverSuite struct {
suite.Suite
server *WMailServer
shh *whisper.Whisper
config *params.WhisperConfig
}
func (s *MailserverSuite) SetupTest() {
s.server = &WMailServer{}
s.shh = whisper.New(&whisper.DefaultConfig)
s.shh.RegisterServer(s.server)
s.config = &params.WhisperConfig{
DataDir: "/tmp/",
Password: "pwd",
MailServerRateLimit: 5,
}
}
func TestDBKey(t *testing.T) {
func (s *MailserverSuite) TestInit() {
testCases := []struct {
config params.WhisperConfig
expectedError error
limiterActive bool
info string
}{
{
config: params.WhisperConfig{DataDir: ""},
expectedError: errDirectoryNotProvided,
limiterActive: false,
info: "Initializing a mail server with a config with empty DataDir",
},
{
config: params.WhisperConfig{DataDir: "/tmp/", Password: ""},
expectedError: errPasswordNotProvided,
limiterActive: false,
info: "Initializing a mail server with a config with an empty password",
},
{
config: params.WhisperConfig{DataDir: "/invalid-path", Password: "pwd"},
expectedError: errors.New("open DB: mkdir /invalid-path: permission denied"),
limiterActive: false,
info: "Initializing a mail server with a config with an unexisting DataDir",
},
{
config: *s.config,
expectedError: nil,
limiterActive: true,
info: "Initializing a mail server with a config with correct config and active limiter",
},
{
config: params.WhisperConfig{
DataDir: "/tmp/",
Password: "pwd",
},
expectedError: nil,
limiterActive: false,
info: "Initializing a mail server with a config with empty DataDir and inactive limiter",
},
}
for _, tc := range testCases {
s.T().Run(tc.info, func(*testing.T) {
s.server.limit = nil
err := s.server.Init(s.shh, &tc.config)
s.server.tick = nil
s.server.Close()
s.Equal(tc.expectedError, err)
s.Equal(tc.limiterActive, (s.server.limit != nil))
})
}
}
func (s *MailserverSuite) TestArchive() {
err := s.server.Init(s.shh, s.config)
s.server.tick = nil
s.NoError(err)
defer s.server.Close()
env, err := generateEnvelope(time.Now())
s.NoError(err)
rawEnvelope, err := rlp.EncodeToBytes(env)
s.NoError(err)
s.server.Archive(env)
key := NewDbKey(env.Expiry-env.TTL, env.Hash())
archivedEnvelope, err := s.server.db.Get(key.raw, nil)
s.NoError(err)
s.Equal(rawEnvelope, archivedEnvelope)
}
func (s *MailserverSuite) TestManageLimits() {
s.server.limit = newLimiter(time.Duration(5) * time.Millisecond)
s.server.managePeerLimits([]byte("peerID"))
s.Equal(1, len(s.server.limit.db))
firstSaved := s.server.limit.db["peerID"]
// second call when limit is not accomplished does not store a new limit
s.server.managePeerLimits([]byte("peerID"))
s.Equal(1, len(s.server.limit.db))
s.Equal(firstSaved, s.server.limit.db["peerID"])
}
func (s *MailserverSuite) TestDBKey() {
var h common.Hash
i := uint32(time.Now().Unix())
k := NewDbKey(i, h)
assert(len(k.raw) == common.HashLength+4, "wrong DB key length", t)
assert(byte(i%0x100) == k.raw[3], "raw representation should be big endian", t)
assert(byte(i/0x1000000) == k.raw[0], "big endian expected", t)
s.Equal(len(k.raw), common.HashLength+4, "wrong DB key length")
s.Equal(byte(i%0x100), k.raw[3], "raw representation should be big endian")
s.Equal(byte(i/0x1000000), k.raw[0], "big endian expected")
}
func TestMailServer(t *testing.T) {
func (s *MailserverSuite) TestMailServer() {
var server WMailServer
setupServer(t, &server)
s.setupServer(&server)
defer server.Close()
env := generateEnvelope(t, time.Now())
env, err := generateEnvelope(time.Now())
s.NoError(err)
server.Archive(env)
deliverTest(t, &server, env)
}
func TestRateLimits(t *testing.T) {
l := newLimiter(time.Duration(5 * time.Millisecond))
assert(l.isAllowed(peerID), "Expected limiter not to allow with empty db", t)
l.db[peerID] = time.Now().Add(time.Duration(-10 * time.Millisecond))
assert(l.isAllowed(peerID), "Expected limiter to allow with peer on its db", t)
l.db[peerID] = time.Now().Add(time.Duration(-1 * time.Millisecond))
assert(!l.isAllowed(peerID), "Expected limiter to not allow with peer on its db", t)
}
func TestRemoveExpiredRateLimits(t *testing.T) {
l := newLimiter(time.Duration(10) * time.Second)
l.db[peerID] = time.Now().Add(time.Duration(-10) * time.Second)
l.db[peerID+"A"] = time.Now().Add(time.Duration(10) * time.Second)
l.deleteExpired()
_, ok := l.db[peerID]
assert(!ok, "Expired peer should not exist, but it does ", t)
_, ok = l.db[peerID+"A"]
assert(ok, "Non expired peer should exist, but it doesn't", t)
}
func generateEnvelope(t *testing.T, now time.Time) *whisper.Envelope {
h := crypto.Keccak256Hash([]byte("test sample data"))
params := &whisper.MessageParams{
KeySym: h[:],
Topic: whisper.TopicType{0x1F, 0x7E, 0xA1, 0x7F},
Payload: []byte("test payload"),
PoW: powRequirement,
WorkTime: 2,
testCases := []struct {
params *ServerTestParams
emptyLow bool
lowModifier int32
uppModifier int32
topic byte
expect bool
shouldFail bool
info string
}{
{
params: s.defaultServerParams(env),
lowModifier: 0,
uppModifier: 0,
expect: true,
shouldFail: false,
info: "Processing a request where from and to are equals to an existing register, should provide results",
},
{
params: s.defaultServerParams(env),
lowModifier: 1,
uppModifier: 1,
expect: false,
shouldFail: false,
info: "Processing a request where from and to are great than any existing register, should not provide results",
},
{
params: s.defaultServerParams(env),
lowModifier: 0,
uppModifier: 1,
topic: 0xFF,
expect: false,
shouldFail: false,
info: "Processing a request where to is grat than any existing register and with a specific topic, should not provide results",
},
{
params: s.defaultServerParams(env),
emptyLow: true,
lowModifier: 4,
uppModifier: -1,
shouldFail: true,
info: "Processing a request where to is lower than from should fail",
},
{
params: s.defaultServerParams(env),
emptyLow: true,
lowModifier: 0,
uppModifier: 24,
shouldFail: true,
info: "Processing a request where difference between from and to is > 24 should fail",
},
}
for _, tc := range testCases {
s.T().Run(tc.info, func(*testing.T) {
if tc.lowModifier != 0 {
tc.params.low = tc.params.birth + uint32(tc.lowModifier)
}
if tc.uppModifier != 0 {
tc.params.upp = tc.params.birth + uint32(tc.uppModifier)
}
if tc.emptyLow {
tc.params.low = 0
}
if tc.topic == 0xFF {
tc.params.topic[0] = tc.topic
}
msg, err := whisper.NewSentMessage(params)
if err != nil {
t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
request := s.createRequest(tc.params)
src := crypto.FromECDSAPub(&tc.params.key.PublicKey)
ok, lower, upper, bloom := server.validateRequest(src, request)
if tc.shouldFail {
if ok {
s.T().Fatal(err)
}
env, err := msg.Wrap(params, now)
if err != nil {
t.Fatalf("failed to wrap with seed %d: %s.", seed, err)
return
}
if !ok {
s.T().Fatalf("request validation failed, seed: %d.", seed)
}
if lower != tc.params.low {
s.T().Fatalf("request validation failed (lower bound), seed: %d.", seed)
}
if upper != tc.params.upp {
s.T().Fatalf("request validation failed (upper bound), seed: %d.", seed)
}
expectedBloom := whisper.TopicToBloom(tc.params.topic)
if !bytes.Equal(bloom, expectedBloom) {
s.T().Fatalf("request validation failed (topic), seed: %d.", seed)
}
var exist bool
mail := server.processRequest(nil, tc.params.low, tc.params.upp, bloom)
for _, msg := range mail {
if msg.Hash() == env.Hash() {
exist = true
break
}
}
if exist != tc.expect {
s.T().Fatalf("error: exist = %v, seed: %d.", exist, seed)
}
src[0]++
ok, lower, upper, _ = server.validateRequest(src, request)
if !ok {
// request should be valid regardless of signature
s.T().Fatalf("request validation false negative, seed: %d (lower: %d, upper: %d).", seed, lower, upper)
}
})
}
return env
}
func serverParams(t *testing.T, env *whisper.Envelope) *ServerTestParams {
id, err := shh.NewKeyPair()
if err != nil {
t.Fatalf("failed to generate new key pair with seed %d: %s.", seed, err)
func (s *MailserverSuite) TestBloomFromReceivedMessage() {
testCases := []struct {
msg whisper.ReceivedMessage
expectedBloom []byte
expectedErr error
info string
}{
{
msg: whisper.ReceivedMessage{},
expectedBloom: []byte(nil),
expectedErr: errors.New("Undersized p2p request"),
info: "getting bloom filter for an empty whisper message should produce an error",
},
{
msg: whisper.ReceivedMessage{Payload: []byte("hohohohoho")},
expectedBloom: []byte(nil),
expectedErr: errors.New("Undersized bloom filter in p2p request"),
info: "getting bloom filter for a malformed whisper message should produce an error",
},
{
msg: whisper.ReceivedMessage{Payload: []byte("12345678")},
expectedBloom: whisper.MakeFullNodeBloom(),
expectedErr: nil,
info: "getting bloom filter for a valid whisper message should be successful",
},
}
testPeerID, err := shh.GetPrivateKey(id)
for _, tc := range testCases {
s.T().Run(tc.info, func(*testing.T) {
bloom, err := s.server.bloomFromReceivedMessage(&tc.msg)
s.Equal(tc.expectedErr, err)
s.Equal(tc.expectedBloom, bloom)
})
}
}
func (s *MailserverSuite) setupServer(server *WMailServer) {
const password = "password_for_this_test"
const dbPath = "whisper-server-test"
dir, err := ioutil.TempDir("", dbPath)
if err != nil {
t.Fatalf("failed to retrieve new key pair with seed %d: %s.", seed, err)
s.T().Fatal(err)
}
s.shh = whisper.New(&whisper.DefaultConfig)
s.shh.RegisterServer(server)
err = server.Init(s.shh, &params.WhisperConfig{DataDir: dir, Password: password, MinimumPoW: powRequirement})
if err != nil {
s.T().Fatal(err)
}
keyID, err = s.shh.AddSymKeyFromPassword(password)
if err != nil {
s.T().Fatalf("failed to create symmetric key for mail request: %s", err)
}
}
func (s *MailserverSuite) defaultServerParams(env *whisper.Envelope) *ServerTestParams {
id, err := s.shh.NewKeyPair()
if err != nil {
s.T().Fatalf("failed to generate new key pair with seed %d: %s.", seed, err)
}
testPeerID, err := s.shh.GetPrivateKey(id)
if err != nil {
s.T().Fatalf("failed to retrieve new key pair with seed %d: %s.", seed, err)
}
birth := env.Expiry - env.TTL
@ -133,86 +364,17 @@ func serverParams(t *testing.T, env *whisper.Envelope) *ServerTestParams {
key: testPeerID,
}
}
func deliverTest(t *testing.T, server *WMailServer, env *whisper.Envelope) {
p := serverParams(t, env)
singleRequest(t, server, env, p, true)
p.low = p.birth + 1
p.upp = p.birth + 1
singleRequest(t, server, env, p, false)
p.low = p.birth
p.upp = p.birth + 1
p.topic[0] = 0xFF
singleRequest(t, server, env, p, false)
p.low = 0
p.upp = p.birth - 1
failRequest(t, server, p, "validation should fail due to negative query time range")
p.low = 0
p.upp = p.birth + 24
failRequest(t, server, p, "validation should fail due to query big time range")
}
func failRequest(t *testing.T, server *WMailServer, p *ServerTestParams, err string) {
request := createRequest(t, p)
src := crypto.FromECDSAPub(&p.key.PublicKey)
ok, _, _, _ := server.validateRequest(src, request)
if ok {
t.Fatalf(err)
}
}
func singleRequest(t *testing.T, server *WMailServer, env *whisper.Envelope, p *ServerTestParams, expect bool) {
request := createRequest(t, p)
src := crypto.FromECDSAPub(&p.key.PublicKey)
ok, lower, upper, bloom := server.validateRequest(src, request)
if !ok {
t.Fatalf("request validation failed, seed: %d.", seed)
}
if lower != p.low {
t.Fatalf("request validation failed (lower bound), seed: %d.", seed)
}
if upper != p.upp {
t.Fatalf("request validation failed (upper bound), seed: %d.", seed)
}
expectedBloom := whisper.TopicToBloom(p.topic)
if !bytes.Equal(bloom, expectedBloom) {
t.Fatalf("request validation failed (topic), seed: %d.", seed)
}
var exist bool
mail := server.processRequest(nil, p.low, p.upp, bloom)
for _, msg := range mail {
if msg.Hash() == env.Hash() {
exist = true
break
}
}
if exist != expect {
t.Fatalf("error: exist = %v, seed: %d.", exist, seed)
}
src[0]++
ok, lower, upper, _ = server.validateRequest(src, request)
if !ok {
// request should be valid regardless of signature
t.Fatalf("request validation false negative, seed: %d (lower: %d, upper: %d).", seed, lower, upper)
}
}
func createRequest(t *testing.T, p *ServerTestParams) *whisper.Envelope {
func (s *MailserverSuite) createRequest(p *ServerTestParams) *whisper.Envelope {
bloom := whisper.TopicToBloom(p.topic)
data := make([]byte, 8)
binary.BigEndian.PutUint32(data, p.low)
binary.BigEndian.PutUint32(data[4:], p.upp)
data = append(data, bloom...)
key, err := shh.GetSymKey(keyID)
key, err := s.shh.GetSymKey(keyID)
if err != nil {
t.Fatalf("failed to retrieve sym key with seed %d: %s.", seed, err)
s.T().Fatalf("failed to retrieve sym key with seed %d: %s.", seed, err)
}
params := &whisper.MessageParams{
@ -226,34 +388,33 @@ func createRequest(t *testing.T, p *ServerTestParams) *whisper.Envelope {
msg, err := whisper.NewSentMessage(params)
if err != nil {
t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
s.T().Fatalf("failed to create new message with seed %d: %s.", seed, err)
}
env, err := msg.Wrap(params, time.Now())
if err != nil {
t.Fatalf("failed to wrap with seed %d: %s.", seed, err)
s.T().Fatalf("failed to wrap with seed %d: %s.", seed, err)
}
return env
}
func setupServer(t *testing.T, server *WMailServer) {
const password = "password_for_this_test"
const dbPath = "whisper-server-test"
dir, err := ioutil.TempDir("", dbPath)
if err != nil {
t.Fatal(err)
func generateEnvelope(sentTime time.Time) (*whisper.Envelope, error) {
h := crypto.Keccak256Hash([]byte("test sample data"))
params := &whisper.MessageParams{
KeySym: h[:],
Topic: whisper.TopicType{0x1F, 0x7E, 0xA1, 0x7F},
Payload: []byte("test payload"),
PoW: powRequirement,
WorkTime: 2,
}
shh = whisper.New(&whisper.DefaultConfig)
shh.RegisterServer(server)
err = server.Init(shh, &params.WhisperConfig{DataDir: dir, Password: password, MinimumPoW: powRequirement})
msg, err := whisper.NewSentMessage(params)
if err != nil {
t.Fatal(err)
return nil, fmt.Errorf("failed to create new message with seed %d: %s", seed, err)
}
env, err := msg.Wrap(params, sentTime)
if err != nil {
return nil, fmt.Errorf("failed to wrap with seed %d: %s", seed, err)
}
keyID, err = shh.AddSymKeyFromPassword(password)
if err != nil {
t.Fatalf("Failed to create symmetric key for mail request: %s", err)
}
return env, nil
}