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45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
var path = require("path");
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var fs = require("fs");
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var mime = require("mime");
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/**
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* 静态资源请求
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* @return {[type]} [description]
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*/
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module.exports = Behavior(function(){
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return {
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options: {
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'url_resource_on': false,
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'url_resource_suffix': []
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},
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run: function(){
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if (!RESOURCE_PATH || !this.options.url_resource_on || !this.http.pathname) {
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return false;
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};
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var pathname = this.http.pathname;
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if (pathname.indexOf('/') === 0) {
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pathname = pathname.substr(1);
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};
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var reg = C('url_resource_reg');
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//通过正则判断是否是静态资源请求
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if (!reg.test(pathname)) {
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return false;
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};
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var file = RESOURCE_PATH + "/" + pathname;
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var res = this.http.res;
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if (fs.existsSync(file)) {
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var contentType = mime.lookup(file);
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var fileStream = fs.createReadStream(file);
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res.setHeader("Content-Type", contentType + ";charset=" + C('encoding'));
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fileStream.pipe(res);
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fileStream.on("end", function(){
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res.end();
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})
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}else{
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res.statusCode = 404;
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res.end();
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}
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//返回一个pendding promise, 不让后续执行
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return getDefer().promise;
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}
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}
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}) |