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requestHandlers.js
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var querystring = require("querystring"), fs = require("fs"), formidable = require("formidable");
function start(response) {
console.log("Request handler 'start' was called.");
var body = '<html>'+
'<head>'+
'<meta http-equiv="Content-Type" '+ 'content="text/html; charset=UTF-8" />'+
'</head>'+
'<body>'+
'<form action="/upload" enctype="multipart/form-data" '+ 'method="post">'+
'<input type="file" name="upload" multiple="multiple">'+ '<input type="submit" value="Upload file" />'+
'</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");
// possible errors? (in windows)
fs.rename(files.upload.path, "/tmp/test.png", function(error) {
if (error) {
fs.unlink("/tmp/test.png");
fs.rename(files.upload.path, "/tmp/test.png");
}
});
response.writeHead(200, {"Content-Type": "text/html"});
response.write("received image:<br/>");
response.write("<img src='/show' />")
response.end();
});
}
function show(response) {
console.log("Request handler 'show' was called.");
response.writeHead(200, {"Content-Type": "image/png"});
fs.createReadStream("/tmp/test.png").pipe(response);
}
exports.start = start;
exports.upload = upload;
exports.show = show;