forked from mhausenblas/5stardata.info
-
Notifications
You must be signed in to change notification settings - Fork 0
/
server.js
134 lines (113 loc) · 3.33 KB
/
server.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
var http = require('http');
var sys = require("sys");
var http = require("http");
var url = require("url");
var querystring = require("querystring");
var path = require("path");
var fs = require("fs");
// config
var DEBUG = true; // debug messages flag
var PORT = 1337;
var SERVER_200 = "200";
var SERVER_404 = "404";
var SERVER_500 = "500";
function serve(filename, mediatype, req, res) {
parseLocalFile(filename, function(data, status, msg){
if(status === SERVER_200){
sys.log('Serving ' + filename + ' as ' + mediatype);
writeData(res, data, mediatype);
}
if(status === SERVER_404) {
a404(res, msg);
}
if(status === SERVER_500) {
a500(res, msg);
}
});
}
function getFileNameFromURI(fileuri){
var filename = url.parse(fileuri).pathname;
if(filename.substring(0, 1) === '/') filename = filename.substring(1, filename.length);
return filename;
}
function parseLocalFile(fileuri, datareadyproc) {
var filename = getFileNameFromURI(fileuri);
var start = 0, end = 0;
filename = path.join(__dirname, filename);
if(DEBUG) {
start = new Date().getTime();
sys.debug("Looking for " + filename);
}
path.exists(filename, function(exists) {
if(!exists) {
datareadyproc(null, SERVER_404, getFileNameFromURI(fileuri) + " doesn't exist ...");
return;
}
fs.readFile(filename, function(err, filecontent) {
if(err) {
datareadyproc(null, SERVER_500, "Error reading " + getFileNameFromURI(fileuri) + " ...");
return;
}
end = new Date().getTime();
if(DEBUG) sys.debug("Successfully served " + filename + " in " + (end-start) + "ms");
datareadyproc(filecontent, SERVER_200, fileuri);
});
});
}
function writeData(res, data, mediatype) {
res.writeHead(200, {"Content-Type": mediatype});
res.write(data);
res.end();
}
function a404(res, msg){
res.writeHead(404, {"Content-Type": "text/html"});
res.write("<h1 style='border-bottom: 1px solid #e0e0e0'>404</h1>\n");
res.write("<p>Sorry, seems I've got a 404 here for you.</p>\n");
if(msg) {
res.write(msg + "\n");
}
return res.end();
}
function a500(res, err){
res.writeHead(500, {"Content-Type": "text/html"});
res.write("<h1 style='border-bottom: 1px solid #e0e0e0'>500</h1>\n");
res.write("<p>Hmm, something went wrong here, my bad, nothing you can do about it (yeah, it's a 500 ;)</p>\n");
res.write("<p>" + err + "</p>\n");
res.end();
}
// MAIN
http.createServer(function (req, res) {
console.log("Handling " + req.url);
switch (req.url) {
case "/":
serve("./index.html", "text/html", req, res);
break;
case "/style.css":
serve("style.css", "text/css", req, res);
break;
case "/jquery-1.4.2.min.js":
serve("jquery-1.4.2.min.js", "application/json", req, res);
break;
case "/data-highlight.js":
serve("data-highlight.js", "application/json", req, res);
break;
case "/5star-steps.png":
serve("5star-steps.png", "image/png", req, res);
break;
case "/temperature-saturday.sparql":
serve("temperature-saturday.sparql", "text/plain", req, res);
break;
case "/gtd-3.csv":
serve("gtd-3.csv", "text/csv", req, res);
break;
case "/gtd-2.xls":
serve("gtd-2.xls", "application/vnd.ms-excel", req, res);
break;
case "/gtd-1.pdf":
serve("gtd-1.pdf", "application/pdf ", req, res);
break;
default:
serve(req.url, "text/html", req, res);
}
}).listen(PORT);
sys.log('Serving 5stardata.info ...');