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requestHandlers.js
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requestHandlers.js
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var querystring = require("querystring");
var fs = require("fs");
var formidable = require("formidable");
function start(response, postData) {
console.log("Request handler 'start' was called.");
var body = '<html>'+
'<head>'+
'<meta http-equiv="Content-Type" '+
'content="text/html; charset=UTF-8" />'+
'<link href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.2.2/css/bootstrap-combined.min.css" rel="stylesheet">'+
'</head>'+
'<body>'+
'<h3>Rachel\'s rudimentary photo uploader</h3>' +
'<form action="/upload" enctype="multipart/form-data" '+
'method="post">'+
'<input type="file" name="upload" multiple="multiple">'+
'<input type="submit" value="Upload file" class="btn btn-warning offset1"/>'+
'</form>'+
'</body>'+
'</html>';
response.writeHead(200, {"Content-Type": "text/html"});
response.write(body);
response.end();
}
function upload(response, request) {
console.log("Request handler 'upload' was called.");
var form = new formidable.IncomingForm();
console.log("about to parse");
form.parse(request, function(error, fields, files) {
console.log("parsing done");
if (error) {
console.log("Error parsing form: " + error);
}
fs.rename(files.upload.path, "/tmp/test.png", function(err) {
if (err) {
fs.unlink("/tmp/test.png");
fs.rename(files.upload.path, "/tmp/test.png");
console.log("error:" + err );
}
});
response.writeHead(200, {"Content-Type": "text/html"});
response.write("Got yo' photo (and made it fill the screen!) <br/>");
response.write("<img src='/show' width='100%'/>");
response.end();
});
}
function show(response, postData) {
console.log("Request handler 'show' was called");
fs.readFile("/tmp/test.png", "binary", function(error, file){
if (error){
response.writeHead(500, {"Content-Type": "text/plain"});
response.write(error + "\n");
response.end();
} else {
response.writeHead(200, {"Content-Type": "image/png"});
response.write(file, "binary");
response.end();
}
});
}
exports.start = start;
exports.upload = upload;
exports.show = show;