minvera/src/http.js

An rpgmaker mv tool for managing plugins and external files

//=============================================================================
//  Http.js
//=============================================================================

class Http {
  constructor() {
    this._http = require("http");
    this._https = require("https");
  }
  

  get(info, callback) {
    const { URL } = require('url');
    let url = new URL(info.url);
    let options = {
      host: url.host,
      path: url.pathname,
    };
    if(/^https/.test(url))
      this.httpsget(options, info, callback); 
    else if(/^http/.test(url))
      this.httpget(options, info, callback);
     
  }

  httpget(options, info, callback) {
    this._http.get(options, (res) => {
      const { statusCode } = res;
      const contentType = res.headers['content-type'];
      let error;
      if(statusCode !== 200) {
        error = new Error(`Request Failed.\nStatus Code:${statusCode}`);
      }

      if(error) {
        console.error(error.message);
        res.resume();
        return;
      }

      res.setEncoding('utf8');
      let rawData = '';
      res.on('data', (chunk) => { rawData += chunk; });

      res.on('end', () => {
        try {
          callback(info.name, rawData, contentType);
        }
        catch(e) {
          console.error(e.message);
        }
      });
    }).on('error', (e) => { console.error(`Error: ${e.message}`); });
  }

  httpsget(options, info, callback) {
    this._https.get(options, (res) => {
      const { statusCode } = res;
      const contentType = res.headers['content-type'];
      let error;
      if(statusCode !== 200) {
        error = new Error(`Request Failed.\nStatus Code:${statusCode}`);
      }

      if(error) {
        console.error(error.message);
        res.resume();
        return;
      }

      res.setEncoding('utf8');
      let rawData = '';
      res.on('data', (chunk) => { rawData += chunk; });

      res.on('end', () => {
        try {
          callback(info.name, rawData, contentType);
        }
        catch(e) {
          console.error(e.message);
        }
      });
    }).on('error', (e) => { console.error(`Error: ${e.message}`); });
  } 
}

module.exports = Http;