share picture with twitter and flickr

package.json

{
    "name":         "oauth-shares",
    "description":  "oauth twitter and flickr shares integration",
    "version":      "0.0.1",
    "private":      true,
    "dependencies": {
        "express":  "3.x",
        "oauth":    "0.9.x"
    }
}

picture_share.js

var sys     = require("sys");
var fs      = require("fs");
var https   = require("https");
var http    = require("http");
var url     = require("url");
var OAuth   = require("oauth").OAuth;
var express = require("express");

var app     = express();
var picture = fs.readFileSync("../temp/pic.jpg");

OAuth.prototype.post_image = function(link, content, error, response) {
    var auth = this.authHeader(link.href, this.oauth_access_token, this.oauth_access_token_secret, "POST");
    var protocol = null;
    var port = null;
    if(link.protocol === "https:") {
        protocol = https;
        port     = link.port || 443;
    } else {
        protocol = http;
        port     = link.port || 80;
    }
    var request = protocol.request({
        host:    link.hostname,
        path:    link.pathname,
        port:    port,
        method:  "POST",
        headers: {
            "Authorization":  auth,
            "Content-Type":   "multipart/form-data; boundary=" + boundary,
            "Content-Length": content.length
        }
    });
    request.write(content);
    request.end();
    
    request.on("error", error);
    request.on("response", response);
}

var twitter_oauth = new OAuth(
    "https://twitter.com/oauth/request_token",
    "https://twitter.com/oauth/access_token",
    "${API KEY}",
    "${SECRET KEY}",
    "1.0A",
    "http://localhost:8182/twitter/callback",
    "HMAC-SHA1"
);
var twitter_post_link = url.parse("https://upload.twitter.com/1/statuses/update_with_media.json");
// var twitter_post_link = url.parse("http://localhost:8183/upload/");

var flickr_oauth = new OAuth(
    "http://www.flickr.com/services/oauth/request_token",
    "http://www.flickr.com/services/oauth/access_token",
    "${API KEY}",
    "${SECRET KEY}",
    "1.0A",
    "http://localhost:8182/flickr/callback",
    "HMAC-SHA1"
);
var flickr_post_link = url.parse("http://api.flickr.com/services/upload/");
// var flickr_post_link = url.parse("http://localhost:8183/upload/");

var boundary = "share" + new Date().valueOf();
var twitter_content = Buffer.concat([
    new Buffer(
        "--" + boundary + "\r\n" +
        "Content-Disposition: form-data; name=\"status\"\r\n" +
        "\r\n" +
        "test tweet with picture\r\n" +
        
        "--" + boundary + "\r\n" +
        "Content-Disposition: form-data; name=\"media[]\"; filename=\"picture.jpg\"\r\n" +
        "Content-Type: image/jpeg\r\n" +
        "\r\n"
    ),
    picture,
    new Buffer(
        "\r\n" +
        "--" + boundary + "--\r\n"
    )
]);
var flickr_content = Buffer.concat([
    new Buffer(
        "--" + boundary + "\r\n" +
        "Content-Disposition: form-data; name=\"title\"\r\n" +
        "\r\n" +
        "test photo\r\n" +
        
        "--" + boundary + "\r\n" +
        "Content-Disposition: form-data; name=\"photo\"; filename=\"picture.jpg\"\r\n" +
        "Content-Type: image/jpeg\r\n" +
        "\r\n"
    ),
    picture,
    new Buffer(
        "\r\n" +
        "--" + boundary + "--\r\n"
    )
]);

app.get("/twitter/connect", function(req, res) {
    twitter_oauth.getOAuthRequestToken(function(error, oauth_request_token, oauth_request_token_secret, results) {
        if (error) {
            res.send("error getting oauth request token : " + sys.inspect(error), 500);
        } else {
            twitter_oauth.oauth_request_token        = oauth_request_token;
            twitter_oauth.oauth_request_token_secret = oauth_request_token_secret;
            res.redirect("https://twitter.com/oauth/authorize?oauth_token=" + oauth_request_token);
        }
    });
});
app.get("/twitter/callback", function(req, res) {
    twitter_oauth.getOAuthAccessToken(
        twitter_oauth.oauth_request_token,
        twitter_oauth.oauth_request_token_secret,
        req.query.oauth_verifier,
        function(error, oauth_access_token, oauth_access_token_secret, results) {
            if (error) {
                res.send("error getting oauth access token : " + sys.inspect(error), 500);
            } else {
                twitter_oauth.post_image(
                    twitter_post_link,
                    twitter_content,
                    function(error) {
                        res.send(sys.inspect(error), 500);
                    },
                    function(response) {
                        res.send(sys.inspect(response));
                    }
                );
            }
        });
});

app.get("/flickr/connect", function(req, res) {
    flickr_oauth.getOAuthRequestToken(function(error, oauth_request_token, oauth_request_token_secret, results) {
        if (error) {
            res.send("error getting oauth request token : " + sys.inspect(error), 500);
        } else {
            flickr_oauth.oauth_request_token        = oauth_request_token;
            flickr_oauth.oauth_request_token_secret = oauth_request_token_secret;
            res.redirect("http://www.flickr.com/services/oauth/authorize?oauth_token=" + oauth_request_token);
        }
    });
});
app.get("/flickr/callback", function(req, res) {
    flickr_oauth.getOAuthAccessToken(
        flickr_oauth.oauth_request_token,
        flickr_oauth.oauth_request_token_secret,
        req.query.oauth_verifier,
        function(error, oauth_access_token, oauth_access_token_secret, results) {
            if (error) {
                res.send("error getting oauth access token : " + sys.inspect(error), 500);
            } else {
                flickr_oauth.post_image(
                    flickr_post_link,
                    flickr_content,
                    function(error) {
                        res.send(sys.inspect(error), 500);
                    },
                    function(response) {
                        res.send(sys.inspect(response));
                    }
                );
            }
        });
});

app.listen(8182);
console.log("Listening on port 8182");

upload.js

var sys     = require("sys");
var express = require("express");

var app = express();

app.use(express.bodyParser({
    uploadDir: "/tmp",
    keepExtensions: true
}));
app.use(express.limit("5mb"));

app.post("/upload", function (req, res) {
    sys.puts(sys.inspect(req.files));
    sys.puts(sys.inspect(req.body));
    res.send("");
});

app.listen(8183);
console.log("Listening on port 8183");