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requestHandlers.js
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requestHandlers.js
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var exec = require("child_process").exec;
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" />'+
'</head>'+
'<body>'+
'<form action="/upload" enctype="multipart/form-data" method="post">'+
'<input type="file" name="upload">'+
'<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");
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, 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;