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start.js
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start.js
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// webserver-node v-0.0.3
// 功能：搭建本地web服务，自动生成二维码，便于手机站测试
// require:安装node.js(官网地址：http://www.nodejs.org/)
// 启动服务命令(默认为内网地址，外网加'-e')：
// node start.js 端口 文件名(端口号可以省略，默认8080)
// eg: node start.js
// eg: node start.js 端口
// eg: node start.js 文件名
// eg: node start.js 端口 文件名
// eg: node start.js 文件名 端口
// eg: node start.js www.baidu.com
// 服务启动后，当前目录为根目录
// Author:Liubei E-mail:liubei@liubeismx.cn
var http = require('http');
var url = require('url');
var fs = require('fs');
var path = require('path');
//配置
var config = {
denyAccess: [],
localIPs: ['127.0.0.1'],
srcpath: '/nodejs',
port : 8080
};
var os = require('os');
var IP = '';
var defaultIP = config.localIPs[0];
var URL = '';
var URLQcode = '';
var regNumber = /^[0-9]*$/;
var regPageName = /\.html|\.htm/;
var regInternet = /^-e$/;
var regRemoteUrl = /http:\/\/|www\.|m\.|\.com|\.net|\.org|\.me|\.cn/;
var regHttp = /http:\/\//;
var regIp = /192\.168\.[0-9]{1,3}\.[0-9]{1,3}/;
var PageName = 'index.html'; // 设置默认打开二维码网页文件名
function validateLocalIp (ip) {
return regIp.test(ip);
}
process.argv.forEach(function () {
var paramsArr = [];
if( arguments[2].length > 2){
paramsArr = arguments[2];
for(var i = 2; i < paramsArr.length; i++){
if( regNumber.test(paramsArr[i]) ){
config.port = parseInt(paramsArr[i]);
}else{
if( regRemoteUrl.test(paramsArr[i]) ){
PageName = paramsArr[i] = (regHttp.test(paramsArr[i]) ? paramsArr[i] : ('http://' + paramsArr[i]) );
}else if( regPageName.test(paramsArr[i]) ){
PageName = paramsArr[i];
}else if(regInternet.test(paramsArr[i])){
validateLocalIp = function(ip) {
return !regIp.test(ip);
};
}else{
PageName = paramsArr[i] + '.html';
}
}
}
}
});
//开始HTTP服务器
http.createServer(processRequestRoute).listen(config.port);
function getLocalIP() {
var ip, ifaces = os.networkInterfaces(), pass = true;
for (var dev in ifaces) {
var ipTemp = ifaces[dev];
for(var i = 0; i < ipTemp.length; i++ ){
if (ipTemp[i].family=='IPv4' && validateLocalIp(ipTemp[i].address) && pass ) {
ip = ipTemp[i].address;
pass = false;
}
}
}
return ip == undefined ? defaultIP : ip;
}
IP = getLocalIP();
URL = "http://"+IP+':'+config.port;
console.log( "open " + URL);
URLQcode = (regHttp.test(PageName) ? PageName : (URL + '/' + PageName) );
//路由URL
function processRequestRoute(request, response) {
var pathname = url.parse(request.url).pathname;
var ext = path.extname(pathname);
var localPath = ''; //本地相对路径
var staticres = false; //是否是静态资源
if (ext.length > 0) {
localPath = '.' + pathname;
staticRes = true;
} else {
localPath = '.' + config.srcpath + pathname + '.js';
staticRes = false;
}
//禁止远程访问
if (config.denyAccess && config.denyAccess.length > 0) {
var islocal = false;
var remoteAddress = request.connection.remoteAddress;
for (var j = 0; j < config.localIPs.length; j++) {
if (remoteAddress === config.localIPs[j]) {
islocal = true;
break;
}
}
if (!islocal) {
for (var i = 0; i < config.denyAccess.length; i++) {
if (localPath === config.denyAccess[i]) {
response.writeHead(403, { 'Content-Type': 'text/plain' });
response.end('403:Deny access to this page');
return;
}
}
}
}
//禁止访问后端js
if (staticRes && localPath.indexOf(config.srcpath) >= 0) {
response.writeHead(403, { 'Content-Type': 'text/plain' });
response.end('403:Deny access to this page');
return;
}
fs.exists(localPath, function (exists) {
if (exists) {
if (staticRes) {
staticResHandler(localPath, ext, response); //静态资源
} else {
try {
var handler = require(localPath);
if (handler.processRequest && typeof handler.processRequest === 'function') {
handler.processRequest(request, response); //动态资源
} else {
response.writeHead(404, { 'Content-Type': 'text/plain' });
response.end('404:Handle Not found');
}
} catch (exception) {
console.log('error::url:' + request.url + 'msg:' + exception);
response.writeHead(500, { "Content-Type": "text/plain" });
response.end("Server Error:" + exception);
}
}
} else { //资源不存在
response.writeHead(404, { 'Content-Type': 'text/plain' });
if (pathname === '/') {
response.writeHead(200, { "Content-Type": "text/html" });
response.end("<html><meta charset='utf-8'><title>扫描二维码</title></html><div style='text-align:center;margin-top:100px;'><p><a target='_blank' href='"+URLQcode+"'>"+URLQcode+"</a></p><p><img src='http://trans.2sitebbs.com/qr/?w=100&h=100&str="+URLQcode+"'/></p></div></html>");
}
}
});
}
//处理静态资源
function staticResHandler(localPath, ext, response) {
fs.readFile(localPath, "binary", function (error, file) {
if (error) {
response.writeHead(500, { "Content-Type": "text/plain" });
response.end("Server Error:" + error);
} else {
response.writeHead(200, { "Content-Type": getContentTypeByExt(ext) });
response.end(file, "binary");
}
});
}
//得到ContentType
function getContentTypeByExt(ext) {
ext = ext.toLowerCase();
if (ext === '.htm' || ext === '.html')
return 'text/html';
else if (ext === '.js')
return 'application/x-javascript';
else if (ext === '.css')
return 'text/css';
else if (ext === '.jpe' || ext === '.jpeg' || ext === '.jpg')
return 'image/jpeg';
else if (ext === '.png')
return 'image/png';
else if (ext === '.ico')
return 'image/x-icon';
else if (ext === '.zip')
return 'application/zip';
else if (ext === '.doc')
return 'application/msword';
else
return 'text/plain';
}