103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
// Copyright 2023 The Casdoor Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package go_sms_sender
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import (
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"strings"
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)
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type Msg91Client struct {
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authKey string
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senderId string
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templateId string
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}
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func GetMsg91Client(senderId string, authKey string, templateId string) (*Msg91Client, error) {
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msg91Client := &Msg91Client{
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authKey: authKey,
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senderId: senderId,
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templateId: templateId,
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}
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return msg91Client, nil
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}
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func (m *Msg91Client) SendMessage(param map[string]string, targetPhoneNumber ...string) error {
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if len(targetPhoneNumber) == 0 {
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return fmt.Errorf("missing parameter: targetPhoneNumber")
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}
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url := "https://control.msg91.com/api/v5/flow/"
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for _, mobile := range targetPhoneNumber {
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if strings.HasPrefix(mobile, "+") {
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mobile = mobile[1:]
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}
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payload, err := buildPayload(m.templateId, m.senderId, "0", mobile, param)
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if err != nil {
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return fmt.Errorf("SMS build payload failed: %v", err)
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}
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err = postMsg91SendRequest(url, strings.NewReader(payload), m.authKey)
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if err != nil {
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return fmt.Errorf("send message failed: %v", err)
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}
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}
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return nil
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}
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func buildPayload(templateId, senderId, shortURL, mobiles string, variables map[string]string) (string, error) {
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payload := make(map[string]interface{})
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payload["template_id"] = templateId
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payload["sender"] = senderId
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payload["short_url"] = shortURL
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payload["mobiles"] = mobiles
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for k, v := range variables {
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payload[k] = v
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}
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jsonData, err := json.Marshal(payload)
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if err != nil {
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return "", err
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}
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return string(jsonData), nil
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}
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func postMsg91SendRequest(url string, payload io.Reader, authKey string) error {
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req, _ := http.NewRequest("POST", url, payload)
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req.Header.Add("accept", "application/json")
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req.Header.Add("content-type", "application/json")
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req.Header.Add("authkey", authKey)
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res, _ := http.DefaultClient.Do(req)
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err := res.Body.Close()
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if err != nil {
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return err
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}
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return nil
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}
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