func TestRequestHandlerSend(t *testing.T) {
c := &config.Config{
NetworkPassphrase: "Test SDF Network ; September 2015",
Keys: config.Keys{
// GBYJZW5XFAI6XV73H5SAIUYK6XZI4CGGVBUBO3ANA2SV7KKDAXTV6AEB
SigningSeed: "SDWTLFPALQSP225BSMX7HPZ7ZEAYSUYNDLJ5QI3YGVBNRUIIELWH3XUV",
},
Callbacks: config.Callbacks{
FetchInfo: "http://fetch_info",
},
}
mockHTTPClient := new(mocks.MockHTTPClient)
mockEntityManager := new(mocks.MockEntityManager)
mockRepository := new(mocks.MockRepository)
mockFederationResolver := new(mocks.MockFederationResolver)
mockSignerVerifier := new(mocks.MockSignerVerifier)
mockStellartomlResolver := new(mocks.MockStellartomlResolver)
requestHandler := RequestHandler{}
// Inject mocks
var g inject.Graph
err := g.Provide(
&inject.Object{Value: &requestHandler},
&inject.Object{Value: c},
&inject.Object{Value: mockHTTPClient},
&inject.Object{Value: mockEntityManager},
&inject.Object{Value: mockRepository},
&inject.Object{Value: mockFederationResolver},
&inject.Object{Value: mockSignerVerifier},
&inject.Object{Value: mockStellartomlResolver},
)
if err != nil {
panic(err)
}
if err := g.Populate(); err != nil {
panic(err)
}
httpHandle := func(w http.ResponseWriter, r *http.Request) {
requestHandler.HandlerSend(web.C{}, w, r)
}
testServer := httptest.NewServer(http.HandlerFunc(httpHandle))
defer testServer.Close()
Convey("Given send request", t, func() {
Convey("When source param is missing", func() {
statusCode, response := net.GetResponse(testServer, url.Values{})
responseString := strings.TrimSpace(string(response))
assert.Equal(t, 400, statusCode)
expected := test.StringToJSONMap(`{
"code": "missing_parameter",
"message": "Required parameter is missing.",
"data": {
"name": "source"
}
}`)
assert.Equal(t, expected, test.StringToJSONMap(responseString))
})
Convey("When source param is invalid", func() {
params := url.Values{
"source": {"bad"},
"sender": {"alice*stellar.org"}, // GAW77Z6GPWXSODJOMF5L5BMX6VMYGEJRKUNBC2CZ725JTQZORK74HQQD
"destination": {"bob*stellar.org"}, // GAMVF7G4GJC4A7JMFJWLUAEIBFQD5RT3DCB5DC5TJDEKQBBACQ4JZVEE
"amount": {"20"},
"asset_code": {"USD"},
"asset_issuer": {"GAMVF7G4GJC4A7JMFJWLUAEIBFQD5RT3DCB5DC5TJDEKQBBACQ4JZVEE"},
"extra_memo": {"hello world"},
}
statusCode, response := net.GetResponse(testServer, params)
responseString := strings.TrimSpace(string(response))
assert.Equal(t, 400, statusCode)
expected := test.StringToJSONMap(`{
"code": "invalid_parameter",
"message": "Invalid parameter.",
"data": {
"name": "source"
}
}`)
assert.Equal(t, expected, test.StringToJSONMap(responseString))
})
Convey("When params are valid", func() {
params := url.Values{
"source": {"GAW77Z6GPWXSODJOMF5L5BMX6VMYGEJRKUNBC2CZ725JTQZORK74HQQD"},
"sender": {"alice*stellar.org"}, // GAW77Z6GPWXSODJOMF5L5BMX6VMYGEJRKUNBC2CZ725JTQZORK74HQQD
"destination": {"bob*stellar.org"}, // GAMVF7G4GJC4A7JMFJWLUAEIBFQD5RT3DCB5DC5TJDEKQBBACQ4JZVEE
"amount": {"20"},
"asset_code": {"USD"},
"asset_issuer": {"GAMVF7G4GJC4A7JMFJWLUAEIBFQD5RT3DCB5DC5TJDEKQBBACQ4JZVEE"},
"extra_memo": {"hello world"},
}
Convey("it returns SendResponse when success (payment)", func() {
authServer := "https://acme.com/auth"
mockFederationResolver.On(
"Resolve",
"bob*stellar.org",
).Return(federation.Response{
AccountID: "GAMVF7G4GJC4A7JMFJWLUAEIBFQD5RT3DCB5DC5TJDEKQBBACQ4JZVEE",
MemoType: "text",
Memo: "bob",
}, stellartoml.StellarToml{
AuthServer: authServer,
}, nil).Once()
transactionXdr := "AAAAAC3/58Z9rycNLmF6voWX9VmDETFVGhFoWf66mcMuir/DAAAAZAAAAAAAAAAAAAAAAAAAAANLw6drH5OZQsQFOcJZvFBrx8zFYFlryZWs/9cwBTVH5QAAAAEAAAAAAAAAAQAAAAAZUvzcMkXAfSwqbLoAiAlgPsZ7GIPRi7NIyKgEIBQ4nAAAAAFVU0QAAAAAABlS/NwyRcB9LCpsugCICWA+xnsYg9GLs0jIqAQgFDicAAAAAAvrwgAAAAAA"
data := "{\"sender\":\"alice*stellar.org\",\"need_info\":false,\"tx\":\"" + transactionXdr + "\",\"memo\":\"{\\n \\\"transaction\\\": {\\n \\\"sender_info\\\": \\\"{\\\\\\\"name\\\\\\\": \\\\\\\"Alice Doe\\\\\\\"}\\\",\\n \\\"route\\\": \\\"bob\\\",\\n \\\"extra\\\": \\\"hello world\\\",\\n \\\"note\\\": \\\"\\\"\\n },\\n \\\"operations\\\": null\\n}\"}"
sig := "YeMlOYWNysyGBfsAe40z9dGgpRsKSQrqFIGAEsyJQ8osnXlLPynvJ2WQDGcBq2n5AA96YZdABhQz5ymqvxfQDw=="
authResponse := compliance.AuthResponse{
InfoStatus: compliance.AuthStatusOk,
TxStatus: compliance.AuthStatusOk,
}
mockHTTPClient.On(
"PostForm",
c.Callbacks.FetchInfo,
url.Values{"address": {"alice*stellar.org"}},
).Return(
net.BuildHTTPResponse(200, "{\"name\": \"Alice Doe\"}"),
nil,
).Once()
mockHTTPClient.On(
"PostForm",
authServer,
url.Values{"data": {data}, "sig": {sig}},
).Return(
net.BuildHTTPResponse(200, string(authResponse.Marshal())),
nil,
).Once()
mockSignerVerifier.On(
"Sign",
c.Keys.SigningSeed,
[]byte(data),
).Return(sig, nil).Once()
statusCode, response := net.GetResponse(testServer, params)
responseString := strings.TrimSpace(string(response))
assert.Equal(t, 200, statusCode)
expected := test.StringToJSONMap(`{
"auth_response": {
"info_status": "ok",
"tx_status": "ok"
},
"transaction_xdr": "AAAAAC3/58Z9rycNLmF6voWX9VmDETFVGhFoWf66mcMuir/DAAAAZAAAAAAAAAAAAAAAAAAAAANLw6drH5OZQsQFOcJZvFBrx8zFYFlryZWs/9cwBTVH5QAAAAEAAAAAAAAAAQAAAAAZUvzcMkXAfSwqbLoAiAlgPsZ7GIPRi7NIyKgEIBQ4nAAAAAFVU0QAAAAAABlS/NwyRcB9LCpsugCICWA+xnsYg9GLs0jIqAQgFDicAAAAAAvrwgAAAAAA"
}`)
assert.Equal(t, expected, test.StringToJSONMap(responseString))
})
Convey("it returns SendResponse when success (path payment)", func() {
params["send_max"] = []string{"100"}
params["send_asset_code"] = []string{"USD"}
params["send_asset_issuer"] = []string{"GBDOSO3K4JTGSWJSIHXAOFIBMAABVM3YK3FI6VJPKIHHM56XAFIUCGD6"}
// Native
params["path[0][asset_code]"] = []string{""}
params["path[0][asset_issuer]"] = []string{""}
// Credit
params["path[1][asset_code]"] = []string{"EUR"}
params["path[1][asset_issuer]"] = []string{"GAF3PBFQLH57KPECN4GRGHU5NUZ3XXKYYWLOTBIRJMBYHPUBWANIUCZU"}
authServer := "https://acme.com/auth"
mockFederationResolver.On(
"Resolve",
"bob*stellar.org",
).Return(federation.Response{
AccountID: "GAMVF7G4GJC4A7JMFJWLUAEIBFQD5RT3DCB5DC5TJDEKQBBACQ4JZVEE",
MemoType: "text",
Memo: "bob",
}, stellartoml.StellarToml{
AuthServer: authServer,
}, nil).Once()
transactionXdr := "AAAAAC3/58Z9rycNLmF6voWX9VmDETFVGhFoWf66mcMuir/DAAAAZAAAAAAAAAAAAAAAAAAAAANLw6drH5OZQsQFOcJZvFBrx8zFYFlryZWs/9cwBTVH5QAAAAEAAAAAAAAAAgAAAAFVU0QAAAAAAEbpO2riZmlZMkHuBxUBYAAas3hWyo9VL1IOdnfXAVFBAAAAADuaygAAAAAAGVL83DJFwH0sKmy6AIgJYD7GexiD0YuzSMioBCAUOJwAAAABVVNEAAAAAAAZUvzcMkXAfSwqbLoAiAlgPsZ7GIPRi7NIyKgEIBQ4nAAAAAAL68IAAAAAAgAAAAAAAAABRVVSAAAAAAALt4SwWfv1PIJvDRMenW0zu91YxZbphRFLA4O+gbAaigAAAAA="
data := "{\"sender\":\"alice*stellar.org\",\"need_info\":false,\"tx\":\"" + transactionXdr + "\",\"memo\":\"{\\n \\\"transaction\\\": {\\n \\\"sender_info\\\": \\\"{\\\\\\\"name\\\\\\\": \\\\\\\"Alice Doe\\\\\\\"}\\\",\\n \\\"route\\\": \\\"bob\\\",\\n \\\"extra\\\": \\\"hello world\\\",\\n \\\"note\\\": \\\"\\\"\\n },\\n \\\"operations\\\": null\\n}\"}"
sig := "ACamNqa0dF8gf97URhFVKWSD7fmvZKc5At+8dCLM5ySR0HsHySF3G2WuwYP2nKjeqjKmu3U9Z3+u1P10w1KBCA=="
authResponse := compliance.AuthResponse{
InfoStatus: compliance.AuthStatusOk,
TxStatus: compliance.AuthStatusOk,
}
mockHTTPClient.On(
"PostForm",
c.Callbacks.FetchInfo,
url.Values{"address": {"alice*stellar.org"}},
).Return(
net.BuildHTTPResponse(200, "{\"name\": \"Alice Doe\"}"),
nil,
).Once()
mockHTTPClient.On(
"PostForm",
authServer,
url.Values{"data": {data}, "sig": {sig}},
).Return(
net.BuildHTTPResponse(200, string(authResponse.Marshal())),
nil,
).Once()
mockSignerVerifier.On(
"Sign",
c.Keys.SigningSeed,
[]byte(data),
).Return(sig, nil).Once()
statusCode, response := net.GetResponse(testServer, params)
responseString := strings.TrimSpace(string(response))
assert.Equal(t, 200, statusCode)
expected := test.StringToJSONMap(`{
"auth_response": {
"info_status": "ok",
"tx_status": "ok"
},
"transaction_xdr": "AAAAAC3/58Z9rycNLmF6voWX9VmDETFVGhFoWf66mcMuir/DAAAAZAAAAAAAAAAAAAAAAAAAAANLw6drH5OZQsQFOcJZvFBrx8zFYFlryZWs/9cwBTVH5QAAAAEAAAAAAAAAAgAAAAFVU0QAAAAAAEbpO2riZmlZMkHuBxUBYAAas3hWyo9VL1IOdnfXAVFBAAAAADuaygAAAAAAGVL83DJFwH0sKmy6AIgJYD7GexiD0YuzSMioBCAUOJwAAAABVVNEAAAAAAAZUvzcMkXAfSwqbLoAiAlgPsZ7GIPRi7NIyKgEIBQ4nAAAAAAL68IAAAAAAgAAAAAAAAABRVVSAAAAAAALt4SwWfv1PIJvDRMenW0zu91YxZbphRFLA4O+gbAaigAAAAA="
}`)
assert.Equal(t, expected, test.StringToJSONMap(responseString))
})
})
})
}
// HandlerAuth implements authorize endpoint
func (rh *RequestHandler) HandlerAuth(c web.C, w http.ResponseWriter, r *http.Request) {
authreq := &compliance.AuthRequest{}
authreq.FromRequest(r)
err := authreq.Validate()
if err != nil {
errorResponse := err.(*protocols.ErrorResponse)
log.WithFields(errorResponse.LogData).Error(errorResponse.Error())
server.Write(w, errorResponse)
return
}
var authData compliance.AuthData
err = json.Unmarshal([]byte(authreq.Data), &authData)
if err != nil {
errorResponse := protocols.NewInvalidParameterError("data", authreq.Data)
log.WithFields(errorResponse.LogData).Warn(errorResponse.Error())
server.Write(w, errorResponse)
return
}
senderStellarToml, err := rh.StellarTomlResolver.GetStellarTomlByAddress(authData.Sender)
if err != nil {
log.WithFields(log.Fields{"err": err, "sender": authData.Sender}).Warn("Cannot get stellar.toml of sender")
server.Write(w, protocols.InvalidParameterError)
return
}
if senderStellarToml.SigningKey == "" {
errorResponse := protocols.NewInvalidParameterError("data.sender", authData.Sender)
log.WithFields(errorResponse.LogData).Warn("No SIGNING_KEY in stellar.toml of sender")
server.Write(w, errorResponse)
return
}
// Verify signature
signatureBytes, err := base64.StdEncoding.DecodeString(authreq.Signature)
if err != nil {
errorResponse := protocols.NewInvalidParameterError("sig", authreq.Signature)
log.WithFields(errorResponse.LogData).Warn("Error decoding signature")
server.Write(w, errorResponse)
return
}
err = rh.SignatureSignerVerifier.Verify(senderStellarToml.SigningKey, []byte(authreq.Data), signatureBytes)
if err != nil {
log.WithFields(log.Fields{
"signing_key": senderStellarToml.SigningKey,
"data": authreq.Data,
"sig": authreq.Signature,
}).Warn("Invalid signature")
errorResponse := protocols.NewInvalidParameterError("sig", authreq.Signature)
server.Write(w, errorResponse)
return
}
b64r := base64.NewDecoder(base64.StdEncoding, strings.NewReader(authData.Tx))
var tx xdr.Transaction
_, err = xdr.Unmarshal(b64r, &tx)
if err != nil {
errorResponse := protocols.NewInvalidParameterError("data.tx", authData.Tx)
log.WithFields(log.Fields{
"err": err,
"tx": authData.Tx,
}).Warn("Error decoding Transaction XDR")
server.Write(w, errorResponse)
return
}
if tx.Memo.Hash == nil {
errorResponse := protocols.NewInvalidParameterError("data.tx", authData.Tx)
log.WithFields(log.Fields{"tx": authData.Tx}).Warn("Transaction does not contain Memo.Hash")
server.Write(w, errorResponse)
return
}
// Validate memo preimage hash
memoPreimageHashBytes := sha256.Sum256([]byte(authData.Memo))
memoBytes := [32]byte(*tx.Memo.Hash)
if memoPreimageHashBytes != memoBytes {
errorResponse := protocols.NewInvalidParameterError("data.tx", authData.Tx)
h := xdr.Hash(memoPreimageHashBytes)
tx.Memo.Hash = &h
var txBytes bytes.Buffer
_, err = xdr.Marshal(&txBytes, tx)
if err != nil {
log.Error("Error mashaling transaction")
server.Write(w, protocols.InternalServerError)
return
}
expectedTx := base64.StdEncoding.EncodeToString(txBytes.Bytes())
log.WithFields(log.Fields{"tx": authData.Tx, "expected_tx": expectedTx}).Warn("Memo preimage hash does not equal tx Memo.Hash")
server.Write(w, errorResponse)
return
}
var memoPreimage memo.Memo
err = json.Unmarshal([]byte(authData.Memo), &memoPreimage)
if err != nil {
errorResponse := protocols.NewInvalidParameterError("data.memo", authData.Memo)
log.WithFields(log.Fields{
"err": err,
"memo": authData.Memo,
}).Warn("Cannot unmarshal memo preimage")
server.Write(w, errorResponse)
return
}
transactionHash, err := submitter.TransactionHash(&tx, rh.Config.NetworkPassphrase)
if err != nil {
log.WithFields(log.Fields{"err": err}).Warn("Error calculating tx hash")
server.Write(w, protocols.InternalServerError)
return
}
response := compliance.AuthResponse{}
// Sanctions check
if rh.Config.Callbacks.Sanctions == "" {
response.TxStatus = compliance.AuthStatusOk
} else {
resp, err := rh.Client.PostForm(
rh.Config.Callbacks.Sanctions,
url.Values{"sender": {memoPreimage.Transaction.SenderInfo}},
)
if err != nil {
log.WithFields(log.Fields{
"sanctions": rh.Config.Callbacks.Sanctions,
"err": err,
}).Error("Error sending request to sanctions server")
server.Write(w, protocols.InternalServerError)
return
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Error("Error reading sanctions server response")
server.Write(w, protocols.InternalServerError)
return
}
switch resp.StatusCode {
case http.StatusOK: // AuthStatusOk
response.TxStatus = compliance.AuthStatusOk
case http.StatusAccepted: // AuthStatusPending
response.TxStatus = compliance.AuthStatusPending
var pendingResponse compliance.PendingResponse
err := json.Unmarshal(body, &pendingResponse)
if err != nil {
// Set default value
response.Pending = 600
} else {
response.Pending = pendingResponse.Pending
}
case http.StatusForbidden: // AuthStatusDenied
response.TxStatus = compliance.AuthStatusDenied
default:
log.WithFields(log.Fields{
"status": resp.StatusCode,
"body": string(body),
}).Error("Error response from sanctions server")
server.Write(w, protocols.InternalServerError)
return
}
}
// User info
if authData.NeedInfo {
if rh.Config.Callbacks.AskUser == "" {
response.InfoStatus = compliance.AuthStatusDenied
// Check AllowedFi
tokens := strings.Split(authData.Sender, "*")
if len(tokens) != 2 {
log.WithFields(log.Fields{
"sender": authData.Sender,
}).Warn("Invalid stellar address")
server.Write(w, protocols.InternalServerError)
return
}
allowedFi, err := rh.Repository.GetAllowedFiByDomain(tokens[1])
if err != nil {
log.WithFields(log.Fields{"err": err}).Error("Error getting AllowedFi from DB")
server.Write(w, protocols.InternalServerError)
return
}
if allowedFi == nil {
// FI not found check AllowedUser
allowedUser, err := rh.Repository.GetAllowedUserByDomainAndUserID(tokens[1], tokens[0])
if err != nil {
log.WithFields(log.Fields{"err": err}).Error("Error getting AllowedUser from DB")
server.Write(w, protocols.InternalServerError)
return
}
if allowedUser != nil {
response.InfoStatus = compliance.AuthStatusOk
}
} else {
response.InfoStatus = compliance.AuthStatusOk
}
} else {
// Ask user
var amount, assetType, assetCode, assetIssuer string
if len(tx.Operations) > 0 {
operationBody := tx.Operations[0].Body
if operationBody.Type == xdr.OperationTypePayment {
amount = baseAmount.String(operationBody.PaymentOp.Amount)
operationBody.PaymentOp.Asset.Extract(&assetType, &assetCode, &assetIssuer)
} else if operationBody.Type == xdr.OperationTypePathPayment {
amount = baseAmount.String(operationBody.PathPaymentOp.DestAmount)
operationBody.PathPaymentOp.DestAsset.Extract(&assetType, &assetCode, &assetIssuer)
}
}
resp, err := rh.Client.PostForm(
rh.Config.Callbacks.AskUser,
url.Values{
"amount": {amount},
"asset_code": {assetCode},
"asset_issuer": {assetIssuer},
"sender": {memoPreimage.Transaction.SenderInfo},
"note": {memoPreimage.Transaction.Note},
},
)
if err != nil {
log.WithFields(log.Fields{
"ask_user": rh.Config.Callbacks.AskUser,
"err": err,
}).Error("Error sending request to ask_user server")
server.Write(w, protocols.InternalServerError)
return
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Error("Error reading ask_user server response")
server.Write(w, protocols.InternalServerError)
return
}
switch resp.StatusCode {
case http.StatusOK: // AuthStatusOk
response.InfoStatus = compliance.AuthStatusOk
case http.StatusAccepted: // AuthStatusPending
response.InfoStatus = compliance.AuthStatusPending
var pendingResponse compliance.PendingResponse
err := json.Unmarshal(body, &pendingResponse)
if err != nil {
// Set default value
response.Pending = 600
} else {
response.Pending = pendingResponse.Pending
}
case http.StatusForbidden: // AuthStatusDenied
response.InfoStatus = compliance.AuthStatusDenied
default:
log.WithFields(log.Fields{
"status": resp.StatusCode,
"body": string(body),
}).Error("Error response from ask_user server")
server.Write(w, protocols.InternalServerError)
return
}
}
if response.InfoStatus == compliance.AuthStatusOk {
// Fetch Info
fetchInfoRequest := compliance.FetchInfoRequest{Address: memoPreimage.Transaction.Route}
resp, err := rh.Client.PostForm(
rh.Config.Callbacks.FetchInfo,
fetchInfoRequest.ToValues(),
)
if err != nil {
log.WithFields(log.Fields{
"fetch_info": rh.Config.Callbacks.FetchInfo,
"err": err,
}).Error("Error sending request to fetch_info server")
server.Write(w, protocols.InternalServerError)
return
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.WithFields(log.Fields{
"fetch_info": rh.Config.Callbacks.FetchInfo,
"err": err,
}).Error("Error reading fetch_info server response")
server.Write(w, protocols.InternalServerError)
return
}
if resp.StatusCode != http.StatusOK {
log.WithFields(log.Fields{
"fetch_info": rh.Config.Callbacks.FetchInfo,
"status": resp.StatusCode,
"body": string(body),
}).Error("Error response from fetch_info server")
server.Write(w, protocols.InternalServerError)
return
}
response.DestInfo = string(body)
}
} else {
response.InfoStatus = compliance.AuthStatusOk
}
if response.TxStatus == compliance.AuthStatusOk && response.InfoStatus == compliance.AuthStatusOk {
authorizedTransaction := &entities.AuthorizedTransaction{
TransactionID: hex.EncodeToString(transactionHash[:]),
Memo: base64.StdEncoding.EncodeToString(memoBytes[:]),
TransactionXdr: authData.Tx,
AuthorizedAt: time.Now(),
Data: authreq.Data,
}
err = rh.EntityManager.Persist(authorizedTransaction)
if err != nil {
log.WithFields(log.Fields{"err": err}).Warn("Error persisting AuthorizedTransaction")
server.Write(w, protocols.InternalServerError)
return
}
}
server.Write(w, &response)
}