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mada_gateway.go
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mada_gateway.go
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package otp
import (
"bytes"
"encoding/base64"
"encoding/xml"
"fmt"
"io/ioutil"
"math"
"net/http"
"strconv"
"strings"
"time"
"github.com/coretrix/hitrix/service/component/generator"
)
const SMSOTPProviderMada = "Mada"
type Mada struct {
username string
password string
url string
sourceName string
otpLength int
phonePrefixes []string
generatorService generator.IGenerator
}
func NewMadaSMSOTPProvider(username, password, url, sourceName string, otpLength int, phonePrefixes []string, generatorService generator.IGenerator) *Mada {
return &Mada{
username: username,
password: password,
url: url,
sourceName: sourceName,
otpLength: otpLength,
phonePrefixes: phonePrefixes,
generatorService: generatorService,
}
}
func (m *Mada) GetName() string {
return SMSOTPProviderMada
}
func (m *Mada) GetCode() string {
var code int64
if m.otpLength == 0 {
code = m.generatorService.GenerateRandomRangeNumber(10000, 99999)
} else {
min := int64(math.Pow(10, float64(m.otpLength-1)))
max := int64(math.Pow(10, float64(m.otpLength))) - 1
code = m.generatorService.GenerateRandomRangeNumber(min, max)
}
return strconv.FormatInt(code, 10)
}
func (m *Mada) GetPhonePrefixes() []string {
return m.phonePrefixes
}
func (m *Mada) SendOTP(phone *Phone, code string) (string, string, error) {
return m.soapCall(phone.Number, code)
}
func (m *Mada) Call(_ *Phone, _ string, _ string) (string, string, error) {
// not implemented
return "", "", nil
}
func (m *Mada) VerifyOTP(_ *Phone, code, generatedCode string) (string, string, bool, bool, error) {
return "", "", true, code == generatedCode, nil
}
func (m *Mada) soapCall(recipientPhoneNumber, otp string) (string, string, error) {
v := &soapRQ{
XMLNsXSI: "http://www.w3.org/2001/XMLSchema-instance",
XMLNsXSD: "http://www.w3.org/2001/XMLSchema",
XMLNsSoapEnv: "http://schemas.xmlsoap.org/soap/envelope/",
XMLNsSOS: "http://www.openmindnetworks.com/SoS",
Body: &soapBody{
SOS: &sos{
SoapEnv: "http://schemas.xmlsoap.org/soap/encoding/",
SMRequest: &smRequest{
Source: &source{
TON: "5",
NPI: "1",
ADDR: m.sourceName,
},
Destination: &destination{
TON: "1",
NPI: "1",
ADDR: strings.TrimPrefix(recipientPhoneNumber, "+"),
},
ShortMessage: &shortMessage{
StringData: otp,
},
RegisteredDelivery: "1",
},
},
},
}
payload, err := xml.MarshalIndent(v, "", " ")
if err != nil {
return "", "", err
}
timeout := 30 * time.Second
client := http.Client{
Timeout: timeout,
}
req, err := http.NewRequest("POST", fmt.Sprintf("http://%s", m.url), bytes.NewBuffer(payload))
if err != nil {
return string(payload), "", err
}
req.Header.Set("Content-Type", "text/xml")
req.Header.Set("Authorization", "Basic "+basicAuth(m.username, m.password))
response, err := client.Do(req)
if err != nil {
return string(payload), "", err
}
defer response.Body.Close()
bodyBytes, err := ioutil.ReadAll(response.Body)
if err != nil {
return string(payload), string(bodyBytes), err
}
resp := &soapResp{}
if err := xml.Unmarshal(bodyBytes, resp); err != nil {
return string(payload), string(bodyBytes), err
}
if resp.Body.SOS.SMResponse.CommandStatus != "0" {
return string(payload), string(bodyBytes), fmt.Errorf("expected status code 0, but got %s", resp.Body.SOS.SMResponse.CommandStatus)
}
return string(payload), string(bodyBytes), nil
}
func basicAuth(username, password string) string {
auth := username + ":" + password
return base64.StdEncoding.EncodeToString([]byte(auth))
}
type soapRQ struct {
XMLName xml.Name `xml:"soapenv:Envelope"`
XMLNsXSI string `xml:"xmlns:xsi,attr"`
XMLNsXSD string `xml:"xmlns:xsd,attr"`
XMLNsSoapEnv string `xml:"xmlns:soapenv,attr"`
XMLNsSOS string `xml:"xmlns:sos,attr"`
Header *soapHeader
Body *soapBody
}
type soapHeader struct {
XMLName xml.Name `xml:"soapenv:Header"`
}
type soapBody struct {
XMLName xml.Name `xml:"soapenv:Body"`
SOS *sos
}
type sos struct {
XMLName xml.Name `xml:"sos:SubmitSM"`
SoapEnv string `xml:"soapenv:encodingStyle,attr"`
SMRequest *smRequest
}
type smRequest struct {
XMLName xml.Name `xml:"smRequest"`
Source *source
Destination *destination
ShortMessage *shortMessage
RegisteredDelivery string `xml:"registeredDelivery"`
}
type source struct {
XMLName xml.Name `xml:"source"`
TON string `xml:"ton"`
NPI string `xml:"npi"`
ADDR string `xml:"addr"`
}
type destination struct {
XMLName xml.Name `xml:"destination"`
TON string `xml:"ton"`
NPI string `xml:"npi"`
ADDR string `xml:"addr"`
}
type shortMessage struct {
XMLName xml.Name `xml:"shortMessage"`
StringData string `xml:"stringData"`
}
type soapResp struct {
XMLName xml.Name `xml:"Envelope"`
Body *soapRespBody
}
type soapRespBody struct {
XMLName xml.Name `xml:"Body"`
SOS *sosResp
}
type sosResp struct {
XMLName xml.Name `xml:"SubmitSMResponse"`
SMResponse *smResponse
}
type smResponse struct {
XMLName xml.Name `xml:"smResponse"`
CommandStatus string `xml:"commandStatus"`
}