replace deprecated 'request' with 'http.get' so that no more external dependencies

messenger.js

@@ -1,7 +1,8 @@
-//const Bluebird=require('bluebird'); // http://bluebirdjs.com/
 const util = require('util')
-const RequestPromise = require('request-promise-native') // request-promise/-native。https://www.npmjs.com/package/request-promise. 还看到一个方法：Bluebird.promisifyAll(require("request"));
+//const RequestPromise = require('request-promise-native') // request-promise/-native。https://www.npmjs.com/package/request-promise. 还看到一个方法：Bluebird.promisifyAll(require("request"));
+const http = require('http')
 const NodeMailer = require('nodemailer') // 或者 const smtpTransporter=require('nodemailer').createTransport({host:'', port:25, auth:{user:'',pass:''}})
+
 let smtpTransporter = null
 
 let smsClient = null // 在调用时，才创建 smsClient，防止 wo.envi 还没有建立好。
@@ -38,8 +39,15 @@ module.exports = {
       smsUrl = wo.envi.SMS.dxton.urlWorld // 国际短信不需要签名、模板，可发送任意内容。
       smsNumber = matches[0] + matches[1]
     }
-    //    return Bluebird.promisify(Http.get)(smsUrl+'&mobile='+smsNumber+"&content="+encodeURIComponent(msg));
-    let returnValue = await RequestPromise.get(smsUrl + '&mobile=' + smsNumber + '&content=' + encodeURIComponent(msg))
+    // let returnValue = await RequestPromise.get(smsUrl + '&mobile=' + smsNumber + '&content=' + encodeURIComponent(msg))
+    // let returnValue = await axios.get(smsUrl + '&mobile=' + smsNumber + '&content=' + encodeURIComponent(msg))
+    // following code with http.get is untested:
+    return util.promisify(http.get)(smsUrl + '&mobile=' + smsNumber + '&content=' + encodeURIComponent(msg))
+    .then((resp)=>{
+      let data = ''
+      resp.on('data', (chunk) => { data += chunk })
+      resp.on('end', () => {
+        let returnValue = JSON.parse(data)
         let result = { _state: 'SMS_SEND_FAIL', code: returnValue }
         switch (parseInt(returnValue)) {
           // 短信接口代码：http://www.dxton.com/help_detail/2.html
@@ -71,6 +79,8 @@ module.exports = {
             console.error(result)
             return result
         }  
+      })
+    })
   },
 
   async sendSmsAliyun (phone, msgParam, templateCode, signName) {

package.json

@@ -1,14 +1,12 @@
 {
   "name": "base.messenger",
+  "main": "messenger.js",
   "version": "0.1.0",
   "private": true,
   "dependencies": {
     "@alicloud/sms-sdk": "^1.1.3",
-    "nodemailer": "^4.4.1",
-    "request": "^2.88.2",
-    "request-promise-native": "^1.0.9"
+    "nodemailer": "^4.4.1"
   },
-  "devDependencies": {},
   "scripts": {
     "setup": "npm install"
   },