lib/router.js

   1 var url = require("url");
   2 var fs = require("fs");
   3
   4 exports.routeRequest = function(req, res) {
   5         // first, strip a /pub/ off the front if it exists
   6         var originalurl = url.parse(req.url);
   7
   8         thisurl = originalurl.pathname.replace(/^\/pub/, "");
   9
  10         console.log("pathname now: ", thisurl);
  11
  12         //if(thisurl.pathname == "") thisurl.pathname = "/";
  13
  14         var reqpath = global.repoproxy.cacheDir + "/" + thisurl;
  15
  16         console.log("request on '%s'", reqpath);
  17
  18         // see what we're dealing with
  19         fs.stat(reqpath, function(err, stat) {
  20                 console.log("err is ", err);
  21                 console.log("stat is ", stat);
  22                 console.log("fs.stats is ", fs.stats);
  23
  24                 if(err == null) {
  25                         if(stat.isDirectory()) {
  26                                 if(originalurl.pathname.charAt(originalurl.pathname.length-1) != "/") {
  27                                         // redirect to url + "/"
  28                                         res.writeHead("302", { "Location": originalurl.pathname+"/" });
  29                                         res.end();
  30                                 } else {
  31                                         writeDirectoryListing(reqpath, originalurl.pathname, res);
  32                                 }
  33                         } else {
  34                                 if(stat.isFile()) {
  35                                         fs.readFile(reqpath, "utf8", function(err, data) {
  36                                                 res.write(data);
  37                                                 res.end();
  38                                         });
  39                                 }
  40                         }
  41                 } else {
  42                         // go upstream..
  43                         res.write("here we need to go upstream");
  44                         res.end();
  45                 }
  46         });
  47 }
  48
  49 function writeDirectoryListing(reqpath, requesturi, res) {
  50         res.write("<html><h1>Directory listing for " + requesturi + "</h1><hr><pre>");
  51         if(requesturi != "/") res.write("<a href=\"..\">Parent</a>\n\n");
  52         fs.readdir(reqpath, function(err, files) {
  53                 console.log("doing directory listing on: ", reqpath);
  54                 if(err == null) {
  55
  56                         // TODO: make this work asynchronously...
  57                         if(files.length == 0) {
  58                                 res.write("Empty Directory....\b");
  59                         } else {
  60                                 for(var i=0; i<files.length; i++) {
  61                                         // avoiding statSync is too hard for now, will fix later TODO: fix this sync bit
  62                                         var stats = fs.statSync(reqpath+"/"+files[i]);
  63
  64                                         if(stats.isDirectory()) {
  65
  66                                                 res.write("Directory: <a href=\""+files[i]+"/\">"+files[i]+"/</a>\n");
  67                                         } else if(stats.isFile()) {
  68                                                 var padlength = 80 - (files[i].length) - stats.size.toString().length;
  69                                                 var padding = "";
  70                                                 if(padlength > 0) {
  71                                                         padding = new Array(padlength).join(" ");
  72                                                 }
  73                                                 res.write("File:      <a href=\""+files[i]+"\">"+files[i]+"</a>"+padding+stats.size+" bytes\n");
  74                                         }
  75                                 }
  76                         }
  77                         res.write("<hr></pre>");
  78                         res.end();
  79                 } else {
  80                         res.write("we have entered bizaro world...\n");
  81                         res.write("</pre>");
  82                         res.end();
  83                 }
  84         });
  85 }