twilio 使用电话号码黑名单拒绝来电 [英] twilio Reject Incoming Calls with a Phone Number Blacklist

问题描述

首先.我很抱歉英语是我的第二语言，所以我为任何错误道歉.第二.我是 Twilio 的新手.

First of all. I'm sorry English is my second language so I apologize for any mistakes. Second. I'm new with Twilio.

在此先感谢您的帮助.

我有多个带有 Twilio 的电话号码，我正在尝试对我的所有电话号码实施号码黑名单.目前，我对所有 Twilio 数字单独使用下面的函数.所以理想情况下，我想创建一个文件，其中包含我想列入黑名单的所有电话号码，我可以在函数中读取此文件，而无需在单个函数中写入列入黑名单的号码.

I have multiple phone numbers with Twilio and I am trying to implement a number blacklist to all my phone numbers. Currently, I use the function bellow individually with all my Twilio numbers. So ideally I would like to create a file with all the phone numbers that I want to be blacklist and I could read this file in the function and don't need to write the blacklisted numbers in individual functions.

exports.handler = function(context, event, callback) {
  // List all blocked phone numbers in quotes and E.164 formatting, separated by a comma
  let blacklist = event.blacklist || [ "blacklist numbers","XXXXXXXXXX","XXXXXXXXX" ];  
  let twiml = new Twilio.twiml.VoiceResponse();
  let blocked = true;
  if (blacklist.length > 0) {
    if (blacklist.indexOf(event.From) === -1) {
      blocked = false;
    }
  }
  if (blocked) {
    twiml.reject();
  }
  else {
  // if the caller's number is not blocked, redirect to your existing webhook
  twiml.redirect("XXXXXX");
  }
  callback(null, twiml);
};

非常感谢.

推荐答案

你可以有类似下面的代码.然后，您可以将 blacklist.json 作为私有资产上传到您的 Twilio Assets.读取私有资产的代码显示在 Twilio 文档下，读取资产的内容.

You could have something like the code below. You would then upload the blacklist.json to your Twilio Assets as a private asset. The code to read a private asset is shown under the Twilio documentation, Read the Contents of an Asset.

blacklist.json 的格式只是一个 JSON 数组:["[phone]", "[phone]"]

The format of blacklist.json is just a JSON array: ["[phone]", "[phone]"]

const fs = require('fs');

exports.handler = function(context, event, callback) {
    let fileName = 'blacklist.json';
    let file = Runtime.getAssets()[fileName].path;
    let text = fs.readFileSync(file);
    let blacklist = JSON.parse(text);
    console.log(blacklist);

    let twiml = new Twilio.twiml.VoiceResponse();

    let blocked = true;
    if (blacklist.length > 0) {
        if (blacklist.indexOf(event.From) === -1) {
        blocked = false;
    }
  }
  if (blocked) {
    twiml.reject();
  }
  else {
  // if the caller's number is not blocked, redirect to your existing webhook
    twiml.redirect("XXXXXX");
  }
  callback(null, twiml);
};

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