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payment.go
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payment.go
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package irankish
import (
"fmt"
"io"
"net/http"
"strings"
)
type payment struct {
merchantID string
sha1Key string
token string
referenceNumber int64
}
func (p *payment) xml() (xml string, err error) {
if p.merchantID == "" {
err = emptyMerchantID
return
}
if p.token == "" {
err = emptyToken
return
}
if p.sha1Key == "" {
err = emptySha1Key
return
}
if p.referenceNumber == 0 {
err = emptyReferenceNumber
return
}
var tags []string
tags = append(tags, fmt.Sprintf("<ns1:token>%s</ns1:token>", p.token))
tags = append(tags, fmt.Sprintf("<ns1:merchantId>%s</ns1:merchantId>", p.merchantID))
tags = append(tags, fmt.Sprintf("<ns1:referenceNumber>%d</ns1:referenceNumber>", p.referenceNumber))
tags = append(tags, fmt.Sprintf("<ns1:sha1Key>%s</ns1:sha1Key>", p.sha1Key))
xml = strings.ReplaceAll(verifyPaymentXML, "%tags%", strings.Join(tags, "\n"))
return
}
func (p *payment) verify() (vpr *VerifyPaymentResult, err error) {
var xml string
xml, err = p.xml()
if err != nil {
return
}
var req *http.Request
req, err = http.NewRequest("POST", verifyPaymentUrl, strings.NewReader(xml))
if err != nil {
return
}
req.Header.Set("Content-Type", "text/xml; charset=utf-8")
req.Header.Set("SOAPAction", `"http://tempuri.org/IVerify/KicccPaymentsVerification"`)
var resp *http.Response
resp, err = http.DefaultClient.Do(req)
if err != nil {
return
}
defer resp.Body.Close()
var b []byte
b, err = io.ReadAll(resp.Body)
if err != nil {
return
}
vpr, err = p.parseResult(string(b))
return
}
func (p *payment) parseResult(response string) (vpr *VerifyPaymentResult, err error) {
if !strings.Contains(response, "<KicccPaymentsVerificationResult") {
err = verifyPaymentWrongResponse(response)
return
}
vpr = &VerifyPaymentResult{}
verificationResultTag := []string{"<KicccPaymentsVerificationResult>", "</KicccPaymentsVerificationResult>"}
verificationResultStartTagIndex := strings.Index(response, verificationResultTag[0])
verificationResult := response[verificationResultStartTagIndex+len(verificationResultTag[0]) : strings.Index(response, verificationResultTag[1])]
vpr.Result = verificationResult
return
}