npm-lan/lib/npm-lan.js

npm局域网代理访问外网npm

var Http = require("http");

new function(ClientRequest){
"use strict";

this.Override = function(request, referers, send){
	function Override(){
		Http.request = function(options){
			var referer = options.headers.referer;
			
			// 如果referer是字符串
			if(
				typeof referer === "string"
			){
				// 获取空格的索引
				var index = referer.indexOf(" ");
				
				console.log(options.body);
				
				// 如果不是已知的委托类型
				if(
					referers.indexOf(
						referer
							.substring(
								0,
								index === -1 ? referer.length : index
							)
							.toLowerCase()
					) === -1
				){
					console.log("当前所使用的功能，局域网npm并未支持，将直接访问npm官方地址");
					console.log("");
					
					// 直接访问npm
					return request.apply(this, arguments);
				}
			}
			
			// 如果是已知的委托类型，那么请求指定地址
			return request.call(
				this,
				"http://localhost:730/npm" + (options.uri ? options.uri.path : options.path)
			);
		};
		
		return;
		ClientRequest.prototype.send = function(data){
			console.log(data);
			
			
			return send.apply(this, arguments);
		};
	};
	
	return Override;
}(
	Http.request,
	// referers
	["install", "update"],
	ClientRequest.prototype.send
);

this.Main = function(Override){
	function Main(){
		new Override();
		
		require("../node_modules/npm/bin/npm-cli.js");
	};
	
	return new Main();
}(
	this.Override
);

}(
	Http.ClientRequest
);