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netgsm.go
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netgsm.go
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// Copyright 2023 The Casdoor Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package go_sms_sender
import (
"bytes"
"encoding/xml"
"errors"
"fmt"
"io"
"net/http"
)
type NetgsmClient struct {
accessId string
accessKey string
sign string
template string
httpClient *http.Client
}
type NetgsmResponse struct {
Code string `xml:"main>code"`
JobID string `xml:"main>jobID"`
Error string `xml:"main>error"`
}
func GetNetgsmClient(accessId, accessKey, sign, template string) (*NetgsmClient, error) {
return &NetgsmClient{
accessId: accessId,
accessKey: accessKey,
sign: sign,
template: template,
httpClient: &http.Client{},
}, nil
}
func (c *NetgsmClient) SendMessage(param map[string]string, targetPhoneNumber ...string) error {
if len(targetPhoneNumber) == 0 {
return fmt.Errorf("missing parameter: targetPhoneNumber")
}
for _, phoneNumber := range targetPhoneNumber {
data := fmt.Sprintf(`
<mainbody>
<header>
<usercode>%s</usercode>
<password>%s</password>
<msgheader>%s</msgheader>
</header>
<body>
<msg>
<![CDATA[%s]]>
</msg>
<no>%s</no>
</body>
</mainbody>`, c.accessId, c.accessKey, c.sign, c.template, phoneNumber)
headers := map[string]string{
"Content-Type": "application/xml",
}
respBody, err := c.postXML("https://api.netgsm.com.tr/sms/send/otp", data, headers)
if err != nil {
return err
}
var netgsmResponse NetgsmResponse
if err := xml.Unmarshal([]byte(respBody), &netgsmResponse); err != nil {
return err
}
if netgsmResponse.Code != "0" {
return errors.New(netgsmResponse.Error)
}
}
return nil
}
func (c *NetgsmClient) postXML(url, xmlData string, headers map[string]string) (string, error) {
req, err := http.NewRequest("POST", url, bytes.NewBuffer([]byte(xmlData)))
if err != nil {
return "", err
}
for key, value := range headers {
req.Header.Set(key, value)
}
resp, err := c.httpClient.Do(req)
if err != nil {
return "", err
}
defer resp.Body.Close()
respBody, err := io.ReadAll(resp.Body)
if err != nil {
return "", err
}
return string(respBody), nil
}