3pl/partnerapi/globalcare/globale_care.go

192 lines
5.1 KiB
Go

package globalcare
import (
"crypto"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"errors"
"fmt"
"log"
"net/http"
"git.selly.red/Selly-Modules/logger"
"git.selly.red/Selly-Modules/natsio"
"git.selly.red/Selly-Modules/natsio/model"
"git.selly.red/Selly-Modules/natsio/subject"
"github.com/nats-io/nats.go"
"github.com/thoas/go-funk"
"git.selly.red/Selly-Modules/3pl/util/base64"
"git.selly.red/Selly-Modules/3pl/util/httputil"
"git.selly.red/Selly-Modules/3pl/util/pjson"
)
// Client ...
type Client struct {
privateKey *rsa.PrivateKey
publicKey *rsa.PublicKey
env ENV
natsClient natsio.Server
}
// NewClient generate Client
// using privateKey to decrypt data from Global Care
// using publicKey to encrypt data before send to Global Care
func NewClient(env ENV, privateKey, publicKey string, natsClient natsio.Server) (*Client, error) {
validENVs := []ENV{EnvProd, EnvDev, EnvStaging}
if !funk.Contains(validENVs, env) {
return nil, fmt.Errorf("globalcare.NewClient - invalid_env: %s", env)
}
pubKey, err := generatePublicKeyFromBytes([]byte(publicKey))
if err != nil {
return nil, fmt.Errorf("globalcare.NewClient - invalid_public_key: %v", err)
}
privKey, err := generatePrivateKeyFromBytes([]byte(privateKey))
if err != nil {
return nil, fmt.Errorf("globalcare.NewClient - invalid_private_key: %v", err)
}
return &Client{
privateKey: privKey,
publicKey: pubKey,
env: env,
natsClient: natsClient,
}, nil
}
// CreateOrder ...
func (c *Client) CreateOrder(data CreateOrderPayload) (*CreateOrderResponseDecoded, error) {
url := c.getBaseURL() + apiPathCreateOrder
dataString := base64.Encode(pjson.ToBytes(data))
sign, err := c.signData(dataString)
if err != nil {
return nil, fmt.Errorf("globalcare.Client.CreateOrder - sign_err %v", err)
}
body := CommonRequestBody{
Signature: sign,
Data: dataString,
}
natsPayload := model.CommunicationRequestHttp{
ResponseImmediately: true,
Payload: model.HttpRequest{
URL: url,
Method: http.MethodPost,
Data: pjson.ToJSONString(body),
Header: map[string]string{
httputil.HeaderKeyContentType: httputil.HeaderValueApplicationJSON,
},
},
}
msg, err := c.requestNats(subject.Communication.RequestHTTP, natsPayload)
if err != nil {
logger.Error("globalcare.Client.CreateOrder", logger.LogData{
"err": err.Error(),
"payload": natsPayload,
})
return nil, err
}
var (
r model.CommunicationHttpResponse
res CommonResponse
)
if err = pjson.Unmarshal(msg.Data, &r); err != nil {
log.Printf("globalcare.Client.CreateOrder - pjson.Unmarshal %v, %s\n", err, string(msg.Data))
return nil, err
}
if err = r.ParseResponseData(&res); err != nil {
log.Printf("globalcare.Client.CreateOrder - ParseResponseData %v, %s\n", err, string(msg.Data))
return nil, err
}
if r.Response == nil {
log.Println("globalcare.Client.CreateOrder - nil response")
return nil, fmt.Errorf("globalcare.Client.CreateOrder create_order_empty_response")
}
if r.Response.StatusCode >= http.StatusBadRequest {
log.Println("globalcare.Client.CreateOrder - bad request", res)
info, err := res.DecodeError()
if err != nil {
log.Println("globalcare.Client.CreateOrder - decode err", err)
return nil, err
}
return nil, errors.New(info.Message)
}
info, err := res.DecodeCreateOrderSuccess()
if err != nil {
log.Println("globalcare.Client.CreateOrder - DecodeCreateOrderSuccess err:", err, string(msg.Data))
return nil, err
}
return &info, err
}
// GetOrder ...
func (c *Client) GetOrder(orderCode string) (*GetOrderResponseDecoded, error) {
url := c.getBaseURL() + fmt.Sprintf(apiPathGetOrder, orderCode)
natsPayload := model.CommunicationRequestHttp{
ResponseImmediately: true,
Payload: model.HttpRequest{
URL: url,
Method: http.MethodGet,
},
}
msg, err := c.requestNats(subject.Communication.RequestHTTP, natsPayload)
if err != nil {
logger.Error("globalcare.Client.GetOrder", logger.LogData{
"err": err.Error(),
"payload": natsPayload,
})
return nil, err
}
var (
r model.CommunicationHttpResponse
res CommonResponse
)
if err = pjson.Unmarshal(msg.Data, &r); err != nil {
return nil, err
}
if err = r.ParseResponseData(&res); err != nil {
return nil, err
}
if r.Response == nil {
return nil, fmt.Errorf("globalcare.Client.GetOrder get_order_empty_response")
}
if r.Response.StatusCode >= http.StatusBadRequest {
info, err := res.DecodeError()
if err != nil {
return nil, err
}
return nil, errors.New(info.Message)
}
info, err := res.DecodeGetOrderSuccess()
if err != nil {
return nil, err
}
return &info, err
}
func (c *Client) requestNats(subject string, data interface{}) (*nats.Msg, error) {
b := pjson.ToBytes(data)
return c.natsClient.Request(subject, b)
}
func (c *Client) getBaseURL() string {
return baseURLENVMapping[c.env]
}
func (c *Client) signData(s string) (string, error) {
msgHash := sha256.New()
_, err := msgHash.Write([]byte(s))
if err != nil {
return "", err
}
msgHashSum := msgHash.Sum(nil)
signature, err := rsa.SignPKCS1v15(rand.Reader, c.privateKey, crypto.SHA256, msgHashSum)
if err != nil {
return "", err
}
return base64.Encode(signature), nil
}