/
nestpay.go
420 lines (371 loc) · 12.4 KB
/
nestpay.go
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package nestpay
import (
"context"
"crypto/sha512"
"encoding/base64"
"encoding/hex"
"encoding/xml"
"errors"
"log"
"math/rand"
"net/http"
"net/url"
"sort"
"strconv"
"strings"
"time"
"golang.org/x/net/html/charset"
)
var EndPoints = map[string]string{
"asseco": "https://entegrasyon.asseco-see.com.tr/fim/api",
"asseco3D": "https://entegrasyon.asseco-see.com.tr/fim/est3Dgate",
"anadolu": "https://anadolusanalpos.est.com.tr/fim/api",
"anadolu3D": "https://anadolusanalpos.est.com.tr/fim/est3Dgate",
"akbank": "https://www.sanalakpos.com/fim/api",
"akbank3D": "https://www.sanalakpos.com/fim/est3Dgate",
"isbank": "https://spos.isbank.com.tr/fim/api",
"isbank3D": "https://spos.isbank.com.tr/fim/est3Dgate",
"ziraatbank": "https://sanalpos2.ziraatbank.com.tr/fim/api",
"ziraatbank3D": "https://sanalpos2.ziraatbank.com.tr/fim/est3Dgate",
"halkbank": "https://sanalpos.halkbank.com.tr/fim/api",
"halkbank3D": "https://sanalpos.halkbank.com.tr/fim/est3Dgate",
"finansbank": "https://www.fbwebpos.com/fim/api",
"finansbank3D": "https://www.fbwebpos.com/fim/est3Dgate",
"teb": "https://sanalpos.teb.com.tr/fim/api",
"teb3D": "https://sanalpos.teb.com.tr/fim/est3Dgate",
}
var CurrencyCode = map[string]string{
"TRY": "949",
"YTL": "949",
"TRL": "949",
"TL": "949",
"USD": "840",
"EUR": "978",
"GBP": "826",
"JPY": "392",
}
var CurrencyISO = map[string]string{
"949": "TRY",
"840": "USD",
"978": "EUR",
"826": "GBP",
"392": "JPY",
}
type API struct {
Bank string
Key string
}
type Request struct {
XMLName xml.Name `xml:"CC5Request,omitempty"`
Username string `xml:"Name,omitempty"`
Password string `xml:"Password,omitempty"`
ClientId string `xml:"ClientId,omitempty" form:"clientid,omitempty"`
OrderId string `xml:"OrderId,omitempty" form:"oid,omitempty"`
GroupId string `xml:"GroupId,omitempty"`
TransId string `xml:"TransId,omitempty"`
UserId string `xml:"UserId,omitempty"`
IPAddress string `xml:"IPAddress,omitempty"`
Email string `xml:"Email,omitempty"`
Mode string `xml:"Mode,omitempty"`
StoreType string `xml:",omitempty" form:"storetype,omitempty"`
TransactionType string `xml:"Type,omitempty" form:"islemtipi,omitempty"`
CardNumber string `xml:"Number,omitempty" form:"pan,omitempty"`
CardMonth string `xml:",omitempty" form:"Ecom_Payment_Card_ExpDate_Month,omitempty"`
CardYear string `xml:",omitempty" form:"Ecom_Payment_Card_ExpDate_Year,omitempty"`
CardExpiry string `xml:"Expires,omitempty"`
CardCode string `xml:"Cvv2Val,omitempty" form:"cv2,omitempty"`
Total string `xml:"Total,omitempty" form:"amount,omitempty"`
Currency string `xml:"Currency,omitempty" form:"currency,omitempty"`
Installment string `xml:"Instalment,omitempty" form:"taksit,omitempty"`
XID string `xml:"PayerTxnId,omitempty"`
ECI string `xml:"PayerSecurityLevel,omitempty"`
CAVV string `xml:"PayerAuthenticationCode,omitempty"`
PresentCode string `xml:"CardholderPresentCode,omitempty"`
BillTo *To `xml:"BillTo,omitempty"`
ShipTo *To `xml:"ShipTo,omitempty"`
PbOrder *Pb `xml:"PbOrder,omitempty"`
OrderItemList *ItemList `xml:"OrderItemList,omitempty"`
Random string `xml:",omitempty" form:"rnd,omitempty"`
Hash string `xml:",omitempty" form:"hash,omitempty"`
HashAlgorithm string `xml:",omitempty" form:"hashAlgorithm,omitempty"`
OkUrl string `xml:",omitempty" form:"okUrl,omitempty"`
FailUrl string `xml:",omitempty" form:"failUrl,omitempty"`
VersionInfo string `xml:"VersionInfo,omitempty"`
}
type To struct {
Name string `xml:"Name,omitempty" form:"cardholder,omitempty"`
Company string `xml:"Company,omitempty"`
Street1 string `xml:"Street1,omitempty"`
Street2 string `xml:"Street2,omitempty"`
Street3 string `xml:"Street3,omitempty"`
City string `xml:"City,omitempty"`
StateProv string `xml:"StateProv,omitempty"`
PostalCode string `xml:"PostalCode,omitempty"`
Country string `xml:"Country,omitempty"`
Phone string `xml:"TelVoice,omitempty" form:"phone,omitempty"`
}
type Pb struct {
OrderType string `xml:"OrderType,omitempty"`
TotalNumberPayments string `xml:"TotalNumberPayments,omitempty"`
OrderFrequencyCycle string `xml:"OrderFrequencyCycle,omitempty"`
OrderFrequencyInterval string `xml:"OrderFrequencyInterval,omitempty"`
Desc string `xml:"Desc,omitempty"`
Price string `xml:"Price,omitempty"`
Total string `xml:"Total,omitempty"`
}
type Item struct {
Id string `xml:"Id,omitempty"`
ItemNumber string `xml:"ItemNumber,omitempty"`
ProductCode string `xml:"ProductCode,omitempty"`
Qty string `xml:"Qty,omitempty"`
Desc string `xml:"Desc,omitempty"`
Price string `xml:"Price,omitempty"`
Total string `xml:"Total,omitempty"`
}
type ItemList struct {
Items []*Item `xml:"OrderItem,omitempty"`
}
type Response struct {
XMLName xml.Name `xml:"CC5Response,omitempty"`
OrderId string `xml:"OrderId,omitempty"`
GroupId string `xml:"GroupId,omitempty"`
TransId string `xml:"TransId,omitempty"`
Response string `xml:"Response,omitempty"`
AuthCode string `xml:"AuthCode,omitempty"`
HostRefNum string `xml:"HostRefNum,omitempty"`
ProcReturnCode string `xml:"ProcReturnCode,omitempty"`
ErrMsg string `xml:"ErrMsg,omitempty"`
}
func IPv4(r *http.Request) (ip string) {
ipv4 := []string{
r.Header.Get("X-Real-Ip"),
r.Header.Get("X-Forwarded-For"),
r.RemoteAddr,
}
for _, ipaddress := range ipv4 {
if ipaddress != "" {
ip = ipaddress
break
}
}
return strings.Split(ip, ":")[0]
}
func Random(n int) string {
const alphanum = "123456789"
var bytes = make([]byte, n)
source := rand.NewSource(time.Now().UnixNano())
rand := rand.New(source)
rand.Read(bytes)
for i, b := range bytes {
bytes[i] = alphanum[b%byte(len(alphanum))]
}
return string(bytes)
}
func HEX(data string) (hash string) {
b, err := hex.DecodeString(data)
if err != nil {
log.Println(err)
return hash
}
hash = string(b)
return hash
}
func SHA512(data string) (hash string) {
h := sha512.New()
h.Write([]byte(data))
hash = hex.EncodeToString(h.Sum(nil))
return hash
}
func B64(data string) (hash string) {
hash = base64.StdEncoding.EncodeToString([]byte(data))
return hash
}
func D64(data string) []byte {
b, err := base64.StdEncoding.DecodeString(data)
if err != nil {
log.Println(err)
return nil
}
return b
}
func Hash(form url.Values, secret string) string {
hash := []string{}
keys := []string{}
for k := range form {
if strings.ToLower(k) != "hash" && strings.ToLower(k) != "encoding" {
keys = append(keys, k)
}
}
sort.Slice(keys, func(i, j int) bool { return strings.ToLower(keys[i]) < strings.ToLower(keys[j]) })
for _, k := range keys {
hash = append(hash, form.Get(k))
}
hash = append(hash, secret)
return B64(HEX(SHA512(strings.Join(hash, "|"))))
}
func Api(bank, clientid, username, password string) (*API, *Request) {
api := new(API)
api.Bank = bank
request := new(Request)
request.ClientId = clientid
request.Username = username
request.Password = password
request.BillTo = new(To)
return api, request
}
func (api *API) SetStoreKey(key string) {
api.Key = key
}
func (request *Request) SetMode(mode string) {
switch mode {
case "TEST":
request.Mode = "T"
case "PROD":
request.Mode = "P"
default:
request.Mode = mode
}
}
func (request *Request) SetIPAddress(ip string) {
request.IPAddress = ip
}
func (request *Request) SetPhoneNumber(phone string) {
request.BillTo.Phone = phone
}
func (request *Request) SetCardHolder(holder string) {
request.BillTo.Name = holder
}
func (request *Request) SetCardNumber(number string) {
request.CardNumber = number
}
func (request *Request) SetCardExpiry(month, year string) {
request.CardExpiry = month + "/" + year
request.CardMonth = month
request.CardYear = year
}
func (request *Request) SetCardCode(code string) {
request.CardCode = code
}
func (request *Request) SetAmount(total string, currency string) {
request.Total = total
request.Currency = CurrencyCode[currency]
}
func (request *Request) SetInstallment(ins string) {
request.Installment = ins
}
func (request *Request) SetOrderId(oid string) {
if oid != "" {
request.OrderId = oid
}
}
func (api *API) PreAuth(ctx context.Context, req *Request) (Response, error) {
req.TransactionType = "PreAuth"
return api.Transaction(ctx, req)
}
func (api *API) Auth(ctx context.Context, req *Request) (Response, error) {
req.TransactionType = "Auth"
return api.Transaction(ctx, req)
}
func (api *API) PreAuth3D(ctx context.Context, req *Request) (Response, error) {
req.TransactionType = "PreAuth"
return api.Transaction(ctx, req)
}
func (api *API) Auth3D(ctx context.Context, req *Request) (Response, error) {
req.TransactionType = "Auth"
return api.Transaction(ctx, req)
}
func (api *API) PreAuth3Dhtml(ctx context.Context, req *Request) (string, error) {
req.TransactionType = "PreAuth"
req.HashAlgorithm = "ver3"
req.StoreType = "3d"
req.Random = Random(6)
form, err := QueryString(req)
if err == nil {
req.Hash = Hash(form, api.Key)
}
return api.Transaction3D(ctx, req)
}
func (api *API) Auth3Dhtml(ctx context.Context, req *Request) (string, error) {
req.TransactionType = "Auth"
req.HashAlgorithm = "ver3"
req.StoreType = "3d"
req.Random = Random(6)
form, err := QueryString(req)
if err == nil {
req.Hash = Hash(form, api.Key)
}
return api.Transaction3D(ctx, req)
}
func (api *API) PostAuth(ctx context.Context, req *Request) (Response, error) {
req.TransactionType = "PostAuth"
return api.Transaction(ctx, req)
}
func (api *API) Refund(ctx context.Context, req *Request) (Response, error) {
req.TransactionType = "Credit"
return api.Transaction(ctx, req)
}
func (api *API) Cancel(ctx context.Context, req *Request) (Response, error) {
req.TransactionType = "Void"
return api.Transaction(ctx, req)
}
func (api *API) Transaction(ctx context.Context, req *Request) (res Response, err error) {
payload, err := xml.Marshal(req)
if err != nil {
return res, err
}
request, err := http.NewRequestWithContext(ctx, "POST", EndPoints[api.Bank], strings.NewReader(xml.Header+string(payload)))
if err != nil {
return res, err
}
request.Header.Set("Content-Type", "text/xml; charset=utf-8")
client := new(http.Client)
response, err := client.Do(request)
if err != nil {
return res, err
}
defer response.Body.Close()
decoder := xml.NewDecoder(response.Body)
decoder.CharsetReader = charset.NewReaderLabel
if err := decoder.Decode(&res); err != nil {
return res, err
}
if code, err := strconv.Atoi(res.ProcReturnCode); err == nil {
switch code {
case 0:
return res, nil
default:
return res, errors.New(res.ErrMsg)
}
} else {
return res, errors.New(res.ErrMsg)
}
}
func (api *API) Transaction3D(ctx context.Context, req *Request) (res string, err error) {
payload, err := QueryString(req)
if err != nil {
return res, err
}
keys := []string{}
for k := range payload {
keys = append(keys, k)
}
sort.Slice(keys, func(i, j int) bool { return strings.ToLower(keys[i]) < strings.ToLower(keys[j]) })
html := []string{}
html = append(html, `<!DOCTYPE html>`)
html = append(html, `<html>`)
html = append(html, `<head>`)
html = append(html, `<meta http-equiv="Content-Type" content="text/html; charset=utf-8">`)
html = append(html, `<script type="text/javascript">function submitonload() {document.payment.submit();document.getElementById('button').remove();document.getElementById('body').insertAdjacentHTML("beforeend", "Lütfen bekleyiniz...");}</script>`)
html = append(html, `</head>`)
html = append(html, `<body onload="javascript:submitonload();" id="body" style="text-align:center;margin:10px;font-family:Arial;font-weight:bold;">`)
html = append(html, `<form action="`+EndPoints[api.Bank+"3D"]+`" method="post" name="payment">`)
for _, k := range keys {
html = append(html, `<input type="hidden" name="`+k+`" value="`+payload.Get(k)+`">`)
}
html = append(html, `<input type="submit" value="Gönder" id="button">`)
html = append(html, `</form>`)
html = append(html, `</body>`)
html = append(html, `</html>`)
res = B64(strings.Join(html, "\n"))
return res, err
}