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[taler-cashless2ecash] 02/03: fix: serialization and logging
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From: |
gnunet |
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Subject: |
[taler-cashless2ecash] 02/03: fix: serialization and logging |
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Date: |
Tue, 09 Apr 2024 22:43:44 +0200 |
This is an automated email from the git hooks/post-receive script.
joel-haeberli pushed a commit to branch master
in repository cashless2ecash.
commit 52ba853cc491b2333845bcdc79f491c85ca2eb0e
Author: Joel-Haeberli <haebu@rubigen.ch>
AuthorDate: Mon Apr 8 19:09:32 2024 +0200
fix: serialization and logging
---
c2ec/auth.go | 8 ++++----
c2ec/bank-integration.go | 10 ++++-----
c2ec/http-util.go | 8 +++++---
c2ec/logger.go | 25 ++++++++++++-----------
c2ec/main.go | 2 +-
c2ec/model.go | 6 +++---
c2ec/postgres.go | 50 +++++++++++++++++++++++----------------------
c2ec/wallee-attestor.go | 2 +-
c2ec/wallee-client.go | 4 ++--
simulation/README | 0
simulation/c2ec-simulation | Bin 7559872 -> 7562494 bytes
simulation/sim-wallet.go | 12 ++++++-----
12 files changed, 67 insertions(+), 60 deletions(-)
diff --git a/c2ec/auth.go b/c2ec/auth.go
index 867ff25..b008f31 100644
--- a/c2ec/auth.go
+++ b/c2ec/auth.go
@@ -57,7 +57,7 @@ func AuthenticateTerminal(req *http.Request) bool {
if err != nil {
return false
}
- LogInfo(fmt.Sprintf("req=%s by terminal with id=%d,
provider=%s", req.RequestURI, terminalId, provider))
+ LogInfo("auth", fmt.Sprintf("req=%s by terminal with id=%d,
provider=%s", req.RequestURI, terminalId, provider))
terminal, err := DB.GetTerminalById(terminalId)
if err != nil {
@@ -65,18 +65,18 @@ func AuthenticateTerminal(req *http.Request) bool {
}
if !terminal.Active {
- LogWarn(fmt.Sprintf("request from inactive terminal.
id=%d", terminalId))
+ LogWarn("auth", fmt.Sprintf("request from inactive
terminal. id=%d", terminalId))
return false
}
prvdr, err := DB.GetTerminalProviderByName(provider)
if err != nil {
- LogWarn(fmt.Sprintf("failed requesting provider by name
%s", err.Error()))
+ LogWarn("auth", fmt.Sprintf("failed requesting provider
by name %s", err.Error()))
return false
}
if terminal.ProviderId != prvdr.ProviderId {
- LogWarn("terminal's provider id did not match provider
id of supplied provider")
+ LogWarn("auth", "terminal's provider id did not match
provider id of supplied provider")
return false
}
diff --git a/c2ec/bank-integration.go b/c2ec/bank-integration.go
index c67622a..8dfb40d 100644
--- a/c2ec/bank-integration.go
+++ b/c2ec/bank-integration.go
@@ -69,7 +69,7 @@ func bankIntegrationConfig(res http.ResponseWriter, req
*http.Request) {
serializedCfg, err :=
NewJsonCodec[BankIntegrationConfig]().EncodeToBytes(&cfg)
if err != nil {
- LogInfo(fmt.Sprintf("failed serializing config: %s",
err.Error()))
+ LogInfo("bank-integration-api", fmt.Sprintf("failed serializing
config: %s", err.Error()))
res.WriteHeader(HTTP_INTERNAL_SERVER_ERROR)
return
}
@@ -83,7 +83,7 @@ func handleWithdrawalRegistration(res http.ResponseWriter,
req *http.Request) {
jsonCodec := NewJsonCodec[C2ECWithdrawRegistration]()
registration, err := ReadStructFromBody(req, jsonCodec)
if err != nil {
-
+ LogWarn("bank-integration-api", fmt.Sprintf("invalid body for
withdrawal registration error=%s", err.Error()))
err := WriteProblem(res, HTTP_BAD_REQUEST, &RFC9457Problem{
TypeUri: TALER_URI_PROBLEM_PREFIX +
"/C2EC_WITHDRAW_REGISTRATION_INVALID_REQ",
Title: "invalid request",
@@ -99,7 +99,7 @@ func handleWithdrawalRegistration(res http.ResponseWriter,
req *http.Request) {
// read and validate the wopid path parameter
wopid := req.PathValue(WOPID_PARAMETER)
if !WopidValid(wopid) {
- LogWarn("wopid " + wopid + " not valid")
+ LogWarn("bank-integration-api", "wopid "+wopid+" not valid")
if wopid == "" {
err := WriteProblem(res, HTTP_BAD_REQUEST,
&RFC9457Problem{
TypeUri: TALER_URI_PROBLEM_PREFIX +
"/C2EC_INVALID_PATH_PARAMETER",
@@ -167,7 +167,7 @@ func handleWithdrawalStatus(res http.ResponseWriter, req
*http.Request) {
// read and validate the wopid path parameter
wopid := req.PathValue(WOPID_PARAMETER)
if !WopidValid(wopid) {
- LogWarn("wopid " + wopid + " not valid")
+ LogWarn("bank-integration-api", "wopid "+wopid+" not valid")
if wopid == "" {
err := WriteProblem(res, HTTP_BAD_REQUEST,
&RFC9457Problem{
TypeUri: TALER_URI_PROBLEM_PREFIX +
"/C2EC_INVALID_PATH_PARAMETER",
@@ -233,7 +233,7 @@ func handlePaymentNotification(res http.ResponseWriter, req
*http.Request) {
wopid := req.PathValue(WOPID_PARAMETER)
if !WopidValid(wopid) {
- LogWarn("wopid " + wopid + " not valid")
+ LogWarn("bank-integration-api", "wopid "+wopid+" not valid")
if wopid == "" {
err := WriteProblem(res, HTTP_BAD_REQUEST,
&RFC9457Problem{
TypeUri: TALER_URI_PROBLEM_PREFIX +
"/C2EC_INVALID_PATH_PARAMETER",
diff --git a/c2ec/http-util.go b/c2ec/http-util.go
index 4cd8158..2ddb840 100644
--- a/c2ec/http-util.go
+++ b/c2ec/http-util.go
@@ -4,6 +4,7 @@ import (
"bytes"
"errors"
"fmt"
+ "io"
"net/http"
"strings"
)
@@ -147,14 +148,15 @@ func ReadStructFromBody[T any](req *http.Request, codec
Codec[T]) (*T, error) {
func ReadBody(req *http.Request) ([]byte, error) {
if req.ContentLength < 0 {
- return make([]byte, 0), nil
+ return nil, errors.New("malformed body")
}
- body := make([]byte, req.ContentLength)
- _, err := req.Body.Read(body)
+ body, err := io.ReadAll(req.Body)
if err != nil {
+ LogError("http-util", err)
return nil, err
}
+ LogInfo("http-util", "read body from request. body="+string(body))
return body, nil
}
diff --git a/c2ec/logger.go b/c2ec/logger.go
index eece29c..89dd7e8 100644
--- a/c2ec/logger.go
+++ b/c2ec/logger.go
@@ -8,8 +8,8 @@ import (
const LOG_PATH = "c2ec-log.txt"
-// LEVEL | TIME | MESSAGE
-const LOG_PATTERN = "%d | %s | %s"
+// LEVEL | TIME | SRC | MESSAGE
+const LOG_PATTERN = "level=%d | time=%s | src=%s | %s"
const TIME_FORMAT = "yyyy-MM-dd hh:mm:ss"
type LogLevel int
@@ -20,29 +20,29 @@ const (
ERROR
)
-func LogError(err error) {
+func LogError(src string, err error) {
- go logAppendError(ERROR, err)
+ go logAppendError(src, ERROR, err)
}
-func LogWarn(msg string) {
+func LogWarn(src string, msg string) {
- go logAppend(WARN, msg)
+ go logAppend(src, WARN, msg)
}
-func LogInfo(msg string) {
+func LogInfo(src string, msg string) {
- go logAppend(INFO, msg)
+ go logAppend(src, INFO, msg)
}
-func logAppendError(level LogLevel, err error) {
+func logAppendError(src string, level LogLevel, err error) {
- logAppend(level, err.Error())
+ logAppend(src, level, err.Error())
}
-func logAppend(level LogLevel, msg string) {
+func logAppend(src string, level LogLevel, msg string) {
- openAppendClose(fmt.Sprintf(LOG_PATTERN, level,
time.Now().Format(time.UnixDate), msg))
+ openAppendClose(fmt.Sprintf(LOG_PATTERN, level,
time.Now().Format(time.UnixDate), src, msg))
}
func openAppendClose(s string) {
@@ -53,6 +53,7 @@ func openAppendClose(s string) {
// if file does not yet exist, open with create flag.
f, err = os.OpenFile(LOG_PATH,
os.O_CREATE|os.O_APPEND|os.O_WRONLY, os.ModeAppend)
if err != nil || f == nil {
+ fmt.Println("error: ", err.Error())
panic("failed opening or creating log file")
}
}
diff --git a/c2ec/main.go b/c2ec/main.go
index 370d55d..fc3b869 100644
--- a/c2ec/main.go
+++ b/c2ec/main.go
@@ -42,7 +42,7 @@ var PROVIDER_CLIENTS = map[string]ProviderClient{}
// 6. listen for incoming requests (as specified in config)
func main() {
- LogInfo(fmt.Sprintf("starting c2ec at %s",
time.Now().Format(time.UnixDate)))
+ LogInfo("main", fmt.Sprintf("starting c2ec at %s",
time.Now().Format(time.UnixDate)))
cfgPath := DEFAULT_C2EC_CONFIG_PATH
if len(os.Args) > 1 && os.Args[1] != "" {
diff --git a/c2ec/model.go b/c2ec/model.go
index 8b5e0b8..56b1dcb 100644
--- a/c2ec/model.go
+++ b/c2ec/model.go
@@ -53,11 +53,11 @@ func ToWithdrawalOpStatus(s string)
(WithdrawalOperationStatus, error) {
func WopidValid(wopid string) bool {
decoded, err := base64.URLEncoding.DecodeString(wopid)
- LogInfo(fmt.Sprintf("decoded wopid=%s", string(decoded)))
if err != nil {
- LogError(err)
+ LogError("model", err)
+ return false
}
- return err != nil //&& len(wopidBytes) == 32
+ return len(decoded) == 32
}
type ErrorDetail struct {
diff --git a/c2ec/postgres.go b/c2ec/postgres.go
index a8a2597..2627905 100644
--- a/c2ec/postgres.go
+++ b/c2ec/postgres.go
@@ -127,7 +127,7 @@ func (db *C2ECPostgres) RegisterWithdrawal(
terminalId,
)
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return err
}
res.Close()
@@ -141,7 +141,7 @@ func (db *C2ECPostgres) GetWithdrawalByWopid(wopid string)
(*Withdrawal, error)
PS_GET_WITHDRAWAL_BY_WOPID,
wopid,
); err != nil {
- LogError(err)
+ LogError("postgres", err)
if row != nil {
row.Close()
}
@@ -152,7 +152,7 @@ func (db *C2ECPostgres) GetWithdrawalByWopid(wopid string)
(*Withdrawal, error)
withdrawals, err := pgx.CollectRows(row,
pgx.RowToAddrOfStructByName[Withdrawal])
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return nil, err
}
@@ -169,7 +169,7 @@ func (db *C2ECPostgres)
GetWithdrawalByProviderTransactionId(tid string) (*Withd
PS_GET_WITHDRAWAL_BY_PTID,
tid,
); err != nil {
- LogError(err)
+ LogError("postgres", err)
if row != nil {
row.Close()
}
@@ -180,7 +180,7 @@ func (db *C2ECPostgres)
GetWithdrawalByProviderTransactionId(tid string) (*Withd
withdrawals, err := pgx.CollectRows(row,
pgx.RowToAddrOfStructByName[Withdrawal])
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return nil, err
}
@@ -206,7 +206,7 @@ func (db *C2ECPostgres) NotifyPayment(
fees,
)
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return err
}
res.Close()
@@ -219,7 +219,7 @@ func (db *C2ECPostgres) GetAttestableWithdrawals()
([]*Withdrawal, error) {
db.ctx,
PS_GET_UNCONFIRMED_WITHDRAWALS,
); err != nil {
- LogError(err)
+ LogError("postgres", err)
if row != nil {
row.Close()
}
@@ -230,7 +230,7 @@ func (db *C2ECPostgres) GetAttestableWithdrawals()
([]*Withdrawal, error) {
withdrawals, err := pgx.CollectRows(row,
pgx.RowToAddrOfStructByName[Withdrawal])
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return nil, err
}
@@ -256,7 +256,7 @@ func (db *C2ECPostgres) FinaliseWithdrawal(
withdrawalId,
)
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return err
}
res.Close()
@@ -305,7 +305,7 @@ func (db *C2ECPostgres) GetConfirmedWithdrawals(start int,
delta int) ([]*Withdr
}
if err != nil {
- LogError(err)
+ LogError("postgres", err)
if row != nil {
row.Close()
}
@@ -316,7 +316,7 @@ func (db *C2ECPostgres) GetConfirmedWithdrawals(start int,
delta int) ([]*Withdr
withdrawals, err := pgx.CollectRows(row,
pgx.RowToAddrOfStructByName[Withdrawal])
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return nil, err
}
@@ -331,7 +331,7 @@ func (db *C2ECPostgres) GetTerminalProviderByName(name
string) (*Provider, error
PS_GET_PROVIDER_BY_NAME,
name,
); err != nil {
- LogError(err)
+ LogError("postgres", err)
if row != nil {
row.Close()
}
@@ -342,7 +342,7 @@ func (db *C2ECPostgres) GetTerminalProviderByName(name
string) (*Provider, error
provider, err := pgx.CollectRows(row,
pgx.RowToAddrOfStructByName[Provider])
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return nil, err
}
@@ -361,7 +361,7 @@ func (db *C2ECPostgres)
GetTerminalProviderByPaytoTargetType(paytoTargetType str
PS_GET_PROVIDER_BY_PAYTO_TARGET_TYPE,
paytoTargetType,
); err != nil {
- LogError(err)
+ LogError("postgres", err)
if row != nil {
row.Close()
}
@@ -372,7 +372,7 @@ func (db *C2ECPostgres)
GetTerminalProviderByPaytoTargetType(paytoTargetType str
provider, err := pgx.CollectRows(row,
pgx.RowToAddrOfStructByName[Provider])
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return nil, err
}
@@ -391,7 +391,7 @@ func (db *C2ECPostgres) GetTerminalById(id int) (*Terminal,
error) {
PS_GET_TERMINAL_BY_ID,
id,
); err != nil {
- LogError(err)
+ LogError("postgres", err)
if row != nil {
row.Close()
}
@@ -402,7 +402,7 @@ func (db *C2ECPostgres) GetTerminalById(id int) (*Terminal,
error) {
terminals, err := pgx.CollectRows(row,
pgx.RowToAddrOfStructByName[Terminal])
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return nil, err
}
@@ -421,7 +421,7 @@ func (db *C2ECPostgres) GetTransferById(requestUid
HashCode) (*Transfer, error)
PS_GET_TRANSFER_BY_ID,
requestUid,
); err != nil {
- LogError(err)
+ LogError("postgres", err)
if row != nil {
row.Close()
}
@@ -432,7 +432,7 @@ func (db *C2ECPostgres) GetTransferById(requestUid
HashCode) (*Transfer, error)
transfers, err := pgx.CollectRows(row,
pgx.RowToAddrOfStructByName[Transfer])
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return nil, err
}
@@ -453,7 +453,7 @@ func (db *C2ECPostgres) AddTransfer(requestId HashCode,
requestHash string) erro
requestHash,
)
if err != nil {
- LogError(err)
+ LogError("postgres", err)
return err
}
res.Close()
@@ -472,7 +472,9 @@ func (db *C2ECPostgres) ListenForWithdrawalStatusChange(
listener := newChannelListener(db.pool.Config().ConnConfig, channel,
pgNotification)
go func() {
+ LogInfo("postgres", fmt.Sprintf("listening for %s", wopid))
if err := listener.Listen(ctx); err != nil {
+ LogError("postgres", err)
errs <- err
}
// close the channel we send results, because listener has
finished.
@@ -481,19 +483,19 @@ func (db *C2ECPostgres) ListenForWithdrawalStatusChange(
select {
case e := <-errs:
- LogError(e)
+ LogError("postgres", e)
return "", e
case <-ctx.Done():
err := ctx.Err()
msg := "context sent done signal while listening for status
change"
if err != nil {
- LogError(err)
+ LogError("postgres", err)
} else {
- LogWarn(msg)
+ LogWarn("postgres", msg)
}
return "", errors.New(msg)
case n := <-pgNotification:
- LogInfo(fmt.Sprintf("received notification for channel %s: %s",
n.Channel, n.Payload))
+ LogInfo("postgres", fmt.Sprintf("received notification for
channel %s: %s", n.Channel, n.Payload))
return WithdrawalOperationStatus(n.Payload), nil
}
}
diff --git a/c2ec/wallee-attestor.go b/c2ec/wallee-attestor.go
index f390101..9ceb867 100644
--- a/c2ec/wallee-attestor.go
+++ b/c2ec/wallee-attestor.go
@@ -54,7 +54,7 @@ func (wa *WalleeAttestor) Listen(
go func() {
err := wa.listener.Listen(ctx)
if err != nil {
- LogError(err)
+ LogError("wallee-attestor", err)
errs <- err
}
close(notificationChannel)
diff --git a/c2ec/wallee-client.go b/c2ec/wallee-client.go
index bb6d83d..87b48cc 100644
--- a/c2ec/wallee-client.go
+++ b/c2ec/wallee-client.go
@@ -174,7 +174,7 @@ func calculateWalleeAuthToken(
key := make([]byte, base64.StdEncoding.DecodedLen(len(userKeyBase64)))
_, err := base64.StdEncoding.Decode(key, []byte(userKeyBase64))
if err != nil {
- LogError(err)
+ LogError("wallee-client", err)
return "", err
}
@@ -185,7 +185,7 @@ func calculateWalleeAuthToken(
macer := hmac.New(sha512.New, key)
_, err = macer.Write(authMsg)
if err != nil {
- LogError(err)
+ LogError("wallee-client", err)
return "", err
}
mac := make([]byte, 64)
diff --git a/simulation/README b/simulation/README
new file mode 100644
index 0000000..e69de29
diff --git a/simulation/c2ec-simulation b/simulation/c2ec-simulation
index 8952b8c..cf0d4fb 100755
Binary files a/simulation/c2ec-simulation and b/simulation/c2ec-simulation
differ
diff --git a/simulation/sim-wallet.go b/simulation/sim-wallet.go
index c659e48..3a4413a 100644
--- a/simulation/sim-wallet.go
+++ b/simulation/sim-wallet.go
@@ -45,17 +45,19 @@ func Wallet(in chan *SimulatedPhysicalInteraction, out chan
*SimulatedPhysicalIn
}
cdc := NewJsonCodec[C2ECWithdrawRegistration]()
- body, err := cdc.EncodeToBytes(&C2ECWithdrawRegistration{
- ReservePubKey: EddsaPublicKey(simulateReservePublicKey()),
- TerminalId: uint64(tid),
- })
+ reg := new(C2ECWithdrawRegistration)
+ reg.ReservePubKey = EddsaPublicKey(simulateReservePublicKey())
+ reg.TerminalId = uint64(tid)
+ body, err := cdc.EncodeToBytes(reg)
+ regByte := bytes.NewBuffer(body)
+ // fmt.Println("body (bytes):", regByte.Bytes())
if err != nil {
kill <- err
}
res, err := http.Post(
registrationUrl,
cdc.HttpApplicationContentHeader(),
- bytes.NewBuffer(body),
+ bytes.NewReader(regByte.Bytes()),
)
if res.StatusCode != 204 {
--
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