Last active
August 29, 2015 14:08
-
-
Save joelrbrandt/91cd75e65f49d12d297a to your computer and use it in GitHub Desktop.
getting the contents of a url as a string using node
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
var getURL = function (url, cb) { | |
var http = require("http"); | |
var result = "", | |
finished = false; | |
var finishedHandler = function (err, val) { | |
if (!finished) { | |
finished = true; | |
cb(err, val); | |
} | |
}; | |
var responseHandler = function (res) { | |
if (res.statusCode !== 200) { | |
finishedHandler(new Error("HTTP request status code " + res.statusCode)); | |
res.resume(); | |
return; | |
} | |
res.on("readable", function () { | |
var b = res.read(); | |
result += b.toString(); | |
}); | |
res.on("end", function() { | |
finishedHandler(null, result); | |
}); | |
res.on("error", function(err) { | |
finishedHandler(err); | |
}); | |
}; | |
var req = http.get(url, responseHandler); | |
req.on("error", finishedHandler); | |
}; | |
// "path" should be an absolute path on the filesystem, otherwise | |
// who knows what it will be relative to in CEP land | |
var downloadURLToFile = function (url, path, cb) { | |
var http = require("http"), | |
fs = require("fs"); | |
var finished = false; | |
var finishedHandler = function (err) { | |
if (!finished) { | |
finished = true; | |
cb(err); | |
} | |
}; | |
var responseHandler = function (res) { | |
if (res.statusCode !== 200) { | |
finishedHandler(new Error("HTTP request status code " + res.statusCode)); | |
res.resume(); | |
return; | |
} | |
var ws = fs.createWriteStream(path); | |
ws.on("error", function (err) { | |
ws.end(); | |
finishedHandler(err); | |
}); | |
res.on("error", function (err) { | |
ws.end(); | |
finishedHandler(err); | |
}); | |
res.pipe(ws); | |
ws.on("finish", finishedHandler); | |
}; | |
var req = http.get(url, responseHandler); | |
req.on("error", finishedHandler); | |
}; | |
getURL("http://localhost:8080/", function (err, text) { | |
if (err) { | |
console.log("There was an error getting the URL: " + err); | |
} else { | |
console.log(text); | |
} | |
}); | |
var movieURL = "http://localhost:8080/foo.m4a"; | |
var localPath = "/Users/jbrandt/Desktop/foo.m4a"; | |
downloadURLToFile(movieURL, localPath, function (err, text) { | |
if (err) { | |
console.log("There was an error downloading the URL: " + err); | |
} else { | |
console.log("done downloading!"); | |
} | |
}); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment