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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"
"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 string,
password string,
url string,
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 := io.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 err := validateSmResponse(resp.Body.SOS.SMResponse.CommandStatus); err != nil {
return string(payload), string(bodyBytes), err
}
return string(payload), string(bodyBytes), nil
}
func basicAuth(username, password string) string {
return base64.StdEncoding.EncodeToString([]byte(username + ":" + password))
}
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"`
}
func validateSmResponse(commandStatus string) error {
if commandStatus == "0" {
return nil
}
if errorMsg, ok := errorCodes[commandStatus]; ok {
return fmt.Errorf("otp Mada[%s]: %s", commandStatus, errorMsg)
}
return fmt.Errorf("otp Mada[%s]: expected commandStatus code 0, but got (unrecognized) %s", commandStatus, commandStatus)
}
// No online reference
// Received this from technical team MyMada via email
var errorCodes = map[string]string{
"0": "No Error",
"1": "Message too long",
"2": "Command length is invalid",
"3": "Command ID is invalid or not supported",
"4": "Incorrect bind status for given command",
"5": "Already bound",
"6": "Invalid Priority Flag",
"7": "Invalid registered delivery flag",
"8": "System error",
"10": "Invalid source address",
"11": "Invalid destination address",
"12": "Message ID is invalid",
"13": "Bind failed",
"14": "Invalid password",
"15": "Invalid System ID",
"17": "Canceling message failed",
"19": "Message replacement failed",
"20": "Message queue full",
"21": "Invalid service type",
"51": "Invalid number of destinations",
"52": "Invalid distribution list name",
"64": "Invalid destination flag",
"66": "Invalid submit with replace request",
"67": "Invalid esm class set",
"68": "Invalid submit to ditribution list",
"69": "Submitting message has failed",
"72": "Invalid source address type of number ( TON )",
"73": "Invalid source address numbering plan ( NPI )",
"80": "Invalid destination address type of number ( TON )",
"81": "Invalid destination address numbering plan ( NPI )",
"83": "Invalid system type",
"84": "Invalid replace_if_present flag",
"85": "Invalid number of messages",
"88": "Throttling error",
"97": "Invalid scheduled delivery time",
"98": "Invalid Validty Period value",
"99": "Predefined message not found",
"100": "ESME Receiver temporary error",
"101": "ESME Receiver permanent error",
"102": "ESME Receiver reject message error",
"103": "Message query request failed",
"192": "Error in the optional part of the PDU body",
"193": "TLV not allowed",
"194": "Invalid parameter length",
"195": "Expected TLV missing",
"196": "Invalid TLV value",
"254": "Transaction delivery failure",
"255": "Unknown error",
"256": "ESME not authorized to use specified servicetype",
"257": "ESME prohibited from using specified operation",
"258": "Specified servicetype is unavailable",
"259": "Specified servicetype is denied",
"260": "Invalid data coding scheme",
"261": "Invalid source address subunit",
"262": "Invalid destination address subunit",
"1035": "Insufficient credits to send message",
"1036": "Destination address blocked by the ActiveXperts SMPP Demo Server",
}