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dfss
Commit 72c5ddd3 authored by Caro Axel's avatar Caro Axel Committed by Loïck Bonniot
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[t] Add Alert API 

- Add mgdb entities to handle resolution protocol
- Add unit tests
parent 83c49738
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Showing with 1784 additions and 68 deletions
.gitlab-ci.yml
View file @ 72c5ddd3
......@@ -36,6 +36,11 @@ Unit tests:
- "go test -coverprofile dfssc_security.part -v dfss/dfssc/security"
- "go test -coverprofile dfssc_user.part -v dfss/dfssc/user"
- "go test -coverprofile dfssc_user.part -v dfss/dfssc/sign"
- "go test -coverprofile dfsst_archivesManager.part -v dfss/dfsst/archivesManager"
- "go test -coverprofile dfsst_checker.part -v dfss/dfsst/checker"
- "go test -coverprofile dfsst_entities.part -v dfss/dfsst/entities"
- "go test -coverprofile dfsst_resolve.part -v dfss/dfsst/resolve"
- "go test -coverprofile dfsst_server.part -v dfss/dfsst/server"
- "echo 'mode: set' *part > c.out"
- "grep -h -v 'mode: set' *part >> c.out"
- "go tool cover -html=c.out -o coverage.html"
......@@ -80,7 +85,7 @@ Code lint:
- "./build/deps.sh"
- "cd $GOPATH/src/dfss && make install_all"
- "gometalinter --install --update"
- "gometalinter -t --deadline=600s -j1 --skip=api --skip=fixtures --skip=gui --skip=dfssd --disable=aligncheck ./..."
- "gometalinter -t --deadline=900s -j1 --skip=api --skip=fixtures --skip=gui --skip=dfssd --disable=aligncheck ./..."
Deploy:
stage: deploy
......
dfssc/api/client.pb.go
View file @ 72c5ddd3
......@@ -36,11 +36,13 @@ var _ = math.Inf
const _ = proto.ProtoPackageIsVersion1
type Context struct {
RecipientKeyHash []byte `protobuf:"bytes,1,opt,name=recipientKeyHash,proto3" json:"recipientKeyHash,omitempty"`
SenderKeyHash []byte `protobuf:"bytes,2,opt,name=senderKeyHash,proto3" json:"senderKeyHash,omitempty"`
SignatureUuid string `protobuf:"bytes,3,opt,name=signatureUuid" json:"signatureUuid,omitempty"`
ContractUuid string `protobuf:"bytes,4,opt,name=contractUuid" json:"contractUuid,omitempty"`
ContractDocumentHash string `protobuf:"bytes,5,opt,name=contractDocumentHash" json:"contractDocumentHash,omitempty"`
RecipientKeyHash []byte `protobuf:"bytes,1,opt,name=recipientKeyHash,proto3" json:"recipientKeyHash,omitempty"`
SenderKeyHash []byte `protobuf:"bytes,2,opt,name=senderKeyHash,proto3" json:"senderKeyHash,omitempty"`
Sequence []uint32 `protobuf:"varint,3,rep,name=sequence" json:"sequence,omitempty"`
Signers [][]byte `protobuf:"bytes,4,rep,name=signers,proto3" json:"signers,omitempty"`
ContractDocumentHash []byte `protobuf:"bytes,5,opt,name=contractDocumentHash,proto3" json:"contractDocumentHash,omitempty"`
SignatureUUID string `protobuf:"bytes,6,opt,name=signatureUUID" json:"signatureUUID,omitempty"`
SignedHash []byte `protobuf:"bytes,7,opt,name=signedHash,proto3" json:"signedHash,omitempty"`
}
func (m *Context) Reset() { *m = Context{} }
......@@ -109,10 +111,6 @@ func init() {
var _ context.Context
var _ grpc.ClientConn
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion1
// Client API for Client service
type ClientClient interface {
......@@ -225,27 +223,29 @@ var _Client_serviceDesc = grpc.ServiceDesc{
}
var fileDescriptor0 = []byte{
// 348 bytes of a gzipped FileDescriptorProto
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}
dfssc/api/client.proto
View file @ 72c5ddd3
......@@ -13,16 +13,18 @@ service Client {
message Context {
bytes recipientKeyHash = 1; // SHA-512
bytes senderKeyHash = 2; // SHA-512
string signatureUuid = 3;
string contractUuid = 4;
string contractDocumentHash = 5;
repeated uint32 sequence = 3; // Signing sequence
repeated bytes signers = 4; // List of the signers' hashes
bytes contractDocumentHash = 5;
string signatureUUID = 6;
bytes signedHash = 7; // (sequence + signers' hashes + contractDocumentHash + signatureUUID) crypted by the platform
}
// Promise message contains all the required information to verify
// the identity of the sender and receiver, and the actual promise
message Promise {
Context context = 1;
uint32 index = 2;
uint32 index = 2; // The index of the sequence for this message
bytes payload = 3;
}
......
dfssc/sign/promises.go
View file @ 72c5ddd3
......@@ -18,9 +18,10 @@ func (m *SignatureManager) createContext(from, to uint32) (*cAPI.Context, error)
return &cAPI.Context{
RecipientKeyHash: m.keyHash[to],
SenderKeyHash: m.keyHash[from],
ContractDocumentHash: m.contract.File.Hash,
SignatureUuid: m.uuid,
ContractUuid: m.contract.UUID,
Sequence: m.sequence,
Signers: m.keyHash,
ContractDocumentHash: []byte(m.contract.File.Hash),
SignatureUUID: m.uuid,
}, nil
}
......
dfsst/api/resolution.pb.go
View file @ 72c5ddd3
......@@ -18,6 +18,7 @@ package api
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
import api2 "dfss/dfssc/api"
import (
context "golang.org/x/net/context"
......@@ -35,6 +36,7 @@ const _ = proto.ProtoPackageIsVersion1
// Alert message sent by a signer
type AlertRequest struct {
Promises []*api2.Promise `protobuf:"bytes,1,rep,name=promises" json:"promises,omitempty"`
}
func (m *AlertRequest) Reset() { *m = AlertRequest{} }
......@@ -42,8 +44,16 @@ func (m *AlertRequest) String() string { return proto.CompactTextStri
func (*AlertRequest) ProtoMessage() {}
func (*AlertRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
func (m *AlertRequest) GetPromises() []*api2.Promise {
if m != nil {
return m.Promises
}
return nil
}
// RecoverRequest message to get a signed contract
type RecoverRequest struct {
SignatureUUID string `protobuf:"bytes,1,opt,name=signatureUUID" json:"signatureUUID,omitempty"`
}
func (m *RecoverRequest) Reset() { *m = RecoverRequest{} }
......@@ -74,10 +84,6 @@ func init() {
var _ context.Context
var _ grpc.ClientConn
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion1
// Client API for TTP service
type TTPClient interface {
......@@ -163,17 +169,21 @@ var _TTP_serviceDesc = grpc.ServiceDesc{
}
var fileDescriptor0 = []byte{
// 188 bytes of a gzipped FileDescriptorProto
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// 245 bytes of a gzipped FileDescriptorProto
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}
dfsst/api/resolution.proto
View file @ 72c5ddd3
......@@ -2,16 +2,22 @@ syntax = "proto3";
package api;
import "dfss/dfssc/api/client.proto";
service TTP {
rpc Alert(AlertRequest) returns (TTPResponse) {}
rpc Recover(RecoverRequest) returns (TTPResponse) {}
}
// Alert message sent by a signer
message AlertRequest {}
message AlertRequest {
repeated Promise promises = 1;
}
// RecoverRequest message to get a signed contract
message RecoverRequest {}
message RecoverRequest {
string signatureUUID = 1;
}
// TTPResponse message to answer an Alert or Recover message
message TTPResponse {
......
dfsst/archivesManager/archivesManager.go 0 → 100644
View file @ 72c5ddd3
package archivesManager
import (
cAPI "dfss/dfssc/api"
"dfss/dfsst/entities"
"dfss/mgdb"
"gopkg.in/mgo.v2/bson"
)
// ArchivesManager : handles the structure of a SignatureArchives, with functions suited for the TTP resolve protocol.
type ArchivesManager struct {
DB *mgdb.MongoManager
Archives *entities.SignatureArchives
}
// NewArchivesManager : create a new archivesManager, with the specified mgdb manager, but
// doesn't initialize the signatureArchives. (see function 'InitializeArchives').
func NewArchivesManager(db *mgdb.MongoManager) *ArchivesManager {
return &ArchivesManager{
DB: db,
}
}
// InitializeArchives : if an entry in the database for this signature exists, retrieves it, otherwise creates it.
//
// This function should only be called after function IsRequestValid.
func (manager *ArchivesManager) InitializeArchives(promise *cAPI.Promise, signatureUUID bson.ObjectId, signers *[]entities.Signer) {
present, archives := manager.ContainsSignature(signatureUUID)
if !present {
archives = entities.NewSignatureArchives(signatureUUID, promise.Context.Sequence, *signers, promise.Context.ContractDocumentHash, promise.Context.SignedHash)
}
manager.Archives = archives
}
// ContainsSignature : checks if the specified signatureUUID matches a SignatureArchives in the database.
// If it exists, returns it.
func (manager *ArchivesManager) ContainsSignature(signatureUUID bson.ObjectId) (present bool, archives *entities.SignatureArchives) {
err := manager.DB.Get("signatures").FindByID(entities.SignatureArchives{ID: signatureUUID}, &archives)
if err != nil {
present = false
archives = &entities.SignatureArchives{}
return
}
present = true
return
}
// HasReceivedAbortToken : determines if the specified signer has already been sent an abort token in the specified signatureArchives.
func (manager *ArchivesManager) HasReceivedAbortToken(signerIndex uint32) bool {
for _, s := range manager.Archives.AbortedSigners {
if signerIndex == s.SignerIndex {
return true
}
}
return false
}
// WasContractSigned : determines if the ttp already generated a signed contract for this signatureArchives, and returns it if true.
func (manager *ArchivesManager) WasContractSigned() (bool, []byte) {
signedContract := manager.Archives.SignedContract
if len(signedContract) != 0 {
return true, signedContract
}
return false, []byte{}
}
// HasSignerPromised : determines if the specified signer has promised to sign to at least one other signer.
func (manager *ArchivesManager) HasSignerPromised(signer uint32) bool {
for _, p := range manager.Archives.ReceivedPromises {
if (p.SenderKeyIndex == signer) && (p.RecipientKeyIndex != signer) {
return true
}
}
return false
}
// AddToAbort : adds the specified signer to the aborted signers of the signatureArchives.
// If the signer is already present, does nothing.
func (manager *ArchivesManager) AddToAbort(signerIndex uint32) {
for _, s := range manager.Archives.AbortedSigners {
if s.SignerIndex == signerIndex {
return
}
}
// TODO
// This requires the implementation of promises
var abortIndex uint32
abortIndex = 0
abortedSigner := entities.NewAbortedSigner(signerIndex, abortIndex)
manager.Archives.AbortedSigners = append(manager.Archives.AbortedSigners, *abortedSigner)
}
// AddToDishonest : adds the specified signer to the dishonest signers of the signatureArchives.
// If the signer is already present, does nothing.
func (manager *ArchivesManager) AddToDishonest(signerIndex uint32) {
for _, s := range manager.Archives.DishonestSigners {
if s == signerIndex {
return
}
}
manager.Archives.DishonestSigners = append(manager.Archives.DishonestSigners, signerIndex)
}
// AddPromise : adds the specified promises to the list of received promises of the SignatureArchives.
func (manager *ArchivesManager) AddPromise(promise *entities.Promise) {
for _, p := range manager.Archives.ReceivedPromises {
if entities.ArePromisesEqual(&p, promise) {
return
}
}
manager.Archives.ReceivedPromises = append(manager.Archives.ReceivedPromises, *promise)
}
dfsst/archivesManager/archivesManager_test.go 0 → 100644
View file @ 72c5ddd3
package archivesManager
import (
"crypto/sha512"
cAPI "dfss/dfssc/api"
"dfss/dfsst/checker"
"dfss/dfsst/entities"
"dfss/mgdb"
"fmt"
"github.com/bmizerany/assert"
"gopkg.in/mgo.v2/bson"
"os"
"testing"
)
var (
db string
collection *mgdb.MongoCollection
dbManager *mgdb.MongoManager
sequence []uint32
signers [][]byte
contractDocumentHash []byte
signatureUUID string
signatureUUIDBson bson.ObjectId
signedHash []byte
signersEntities []entities.Signer
err error
)
func init() {
db = os.Getenv("DFSS_MONGO_URI")
if db == "" {
db = "mongodb://localhost/dfss-test"
}
sequence = []uint32{0, 1, 2, 0, 1, 2, 0, 1, 2}
for i := 0; i < 3; i++ {
h := sha512.Sum512([]byte{byte(i)})
signer := h[:]
signers = append(signers, signer)
}
contractDocumentHash = []byte{1, 2, 3, 4, 5, 6, 7, 8, 9}
signatureUUIDBson = bson.NewObjectId()
signatureUUID = signatureUUIDBson.Hex()
signedHash = []byte{}
signersEntities = make([]entities.Signer, 0)
for _, s := range signers {
signerEntity := entities.NewSigner(s)
signersEntities = append(signersEntities, *signerEntity)
}
}
func TestMain(m *testing.M) {
dbManager, err = mgdb.NewManager(db)
if err != nil {
fmt.Fprintln(os.Stderr, "An error occured during the connection to MongoDB:", err)
os.Exit(2)
}
collection = dbManager.Get("signatures")
err = collection.Drop()
code := m.Run()
err = collection.Drop()
if err != nil {
fmt.Println("An error occurred while droping the collection")
}
dbManager.Close()
os.Exit(code)
}
func TestInitializeArchives(t *testing.T) {
promise := &cAPI.Promise{
Context: &cAPI.Context{
ContractDocumentHash: contractDocumentHash,
Sequence: sequence,
Signers: signers,
SignatureUUID: signatureUUID,
SignedHash: signedHash,
},
}
archives := entities.NewSignatureArchives(signatureUUIDBson, sequence, signersEntities, contractDocumentHash, signedHash)
manager := &ArchivesManager{
DB: dbManager,
Archives: archives,
}
arch := entities.NewSignatureArchives(signatureUUIDBson, sequence, signersEntities, contractDocumentHash, signedHash)
manager.InitializeArchives(promise, signatureUUIDBson, &signersEntities)
arch.Signers = manager.Archives.Signers
assert.Equal(t, manager.Archives, arch)
ok, err := collection.Insert(manager.Archives)
assert.Equal(t, ok, true)
assert.Equal(t, err, nil)
manager.Archives = &entities.SignatureArchives{}
manager.InitializeArchives(promise, signatureUUIDBson, &signersEntities)
assert.Equal(t, err, nil)
assert.Equal(t, manager.Archives, arch)
ok, err = collection.DeleteByID(*manager.Archives)
assert.Equal(t, err, nil)
assert.Equal(t, ok, true)
}
func TestContainsSignature(t *testing.T) {
archives := entities.NewSignatureArchives(signatureUUIDBson, sequence, signersEntities, contractDocumentHash, signedHash)
manager := &ArchivesManager{
DB: dbManager,
Archives: archives,
}
b, arch := manager.ContainsSignature(signatureUUIDBson)
assert.Equal(t, b, false)
assert.Equal(t, arch, &entities.SignatureArchives{})
ok, err := collection.Insert(archives)
assert.Equal(t, ok, true)
assert.Equal(t, err, nil)
b, arch = manager.ContainsSignature(signatureUUIDBson)
assert.Equal(t, b, true)
assert.Equal(t, arch, archives)
ok, err = collection.DeleteByID(*archives)
assert.Equal(t, err, nil)
assert.Equal(t, ok, true)
}
func TestHasReceivedAbortToken(t *testing.T) {
archives := entities.NewSignatureArchives(signatureUUIDBson, sequence, signersEntities, contractDocumentHash, signedHash)
manager := &ArchivesManager{
DB: dbManager,
Archives: archives,
}
signerIndex := uint32(1)
abortedSigner0 := entities.NewAbortedSigner(uint32(0), uint32(1))
abortedSigner1 := entities.NewAbortedSigner(signerIndex, uint32(1))
assert.Equal(t, len(archives.AbortedSigners), 0)
aborted := manager.HasReceivedAbortToken(signerIndex)
assert.Equal(t, aborted, false)
archives.AbortedSigners = append(archives.AbortedSigners, *abortedSigner0)
aborted = manager.HasReceivedAbortToken(signerIndex)
assert.Equal(t, aborted, false)
archives.AbortedSigners = append(archives.AbortedSigners, *abortedSigner1)
aborted = manager.HasReceivedAbortToken(signerIndex)
assert.Equal(t, aborted, true)
}
func TestWasContractSigned(t *testing.T) {
archives := entities.NewSignatureArchives(signatureUUIDBson, sequence, signersEntities, contractDocumentHash, signedHash)
manager := &ArchivesManager{
DB: dbManager,
Archives: archives,
}
signed, contract := manager.WasContractSigned()
assert.Equal(t, signed, false)
assert.Equal(t, len(contract), 0)
c := []byte{0}
archives.SignedContract = c
signed, contract = manager.WasContractSigned()
assert.Equal(t, signed, true)
assert.Equal(t, contract, c)
}
func TestHasSignerPromised(t *testing.T) {
archives := entities.NewSignatureArchives(signatureUUIDBson, sequence, signersEntities, contractDocumentHash, signedHash)
manager := &ArchivesManager{
DB: dbManager,
Archives: archives,
}
ok := manager.HasSignerPromised(1)
assert.Equal(t, len(archives.ReceivedPromises), 0)
assert.Equal(t, ok, false)
promise0 := &entities.Promise{
RecipientKeyIndex: 1,
SenderKeyIndex: 0,
}
archives.ReceivedPromises = append(archives.ReceivedPromises, *promise0)
assert.Equal(t, len(archives.ReceivedPromises), 1)
ok = manager.HasSignerPromised(1)
assert.Equal(t, ok, false)
promise1 := &entities.Promise{
RecipientKeyIndex: 1,
SenderKeyIndex: 1,
}
archives.ReceivedPromises = append(archives.ReceivedPromises, *promise1)
assert.Equal(t, len(archives.ReceivedPromises), 2)
ok = manager.HasSignerPromised(1)
assert.Equal(t, ok, false)
promise2 := &entities.Promise{
RecipientKeyIndex: 0,
SenderKeyIndex: 1,
}
archives.ReceivedPromises = append(archives.ReceivedPromises, *promise2)
assert.Equal(t, len(archives.ReceivedPromises), 3)
ok = manager.HasSignerPromised(1)
assert.Equal(t, ok, true)
}
// TO MODIFY WHEN SOURCE FUNCTION WILL BE UPDATED