在 Node 中使用 PhoneGap Build API 包(3)

exports.getKey = function(platform, id, success, fail) {
    doCall("keys/"+platform +"/"+id, function(res) {
        if(res.error && res.error.length && fail) fail(res.error);
        else success(res);
    },function(e) {
        if(fail) fail(e);
    });
}

function getConfig(path) {
    return {
        auth: username + ":" + password,
        host:"build.phonegap.com",
        port:"443",
        path:"/api/v1/"+path
    }
}

//I handle doing the config get, http, string contact, etc
function doCall(path, success, fail) {
    var options = getConfig(path);
    var req = http.get(options, function(res) {
        var resultString = "";
        res.on("data", function(c) {
            resultString+=c;
        });
   
        res.on("end",function() {
            var result = JSON.parse(resultString);
            success(result);
        });
    }).on("error", function(e) {
        if(fail) fail(e);
    });
}

//CREDIT:
//Note that I modified his code quite a bit

//For file uploads
function EncodeFieldPart(boundary,name,value) {
    var return_part = "--" + boundary + "\r\n";
    return_part += "Content-Disposition: form-data; name=\"" + name + "\"\r\n\r\n";
    return_part += value + "\r\n";
    return return_part;
}

function EncodeFilePart(boundary,type,name,filename) {
    var return_part = "--" + boundary + "\r\n";
    return_part += "Content-Disposition: form-data; name=\"" + name + "\"; filename=\"" + filename + "\"\r\n";
    return_part += "Content-Type: " + type + "\r\n\r\n";
    return return_part;
}

//I expect the config options, the JSON data string, and file path
function PreparePost(httpOptions,data,file,success) {
    var boundary = Math.random();
    var post_data = [];

post_data.push(new Buffer(EncodeFieldPart(boundary, 'data', data), 'ascii'));
    post_data.push(new Buffer(EncodeFilePart(boundary, 'text/plain', 'file', path.basename(file)), 'ascii'));

var contents = fs.readFileSync(file, "ascii");
    post_data.push(new Buffer(contents, "utf8"));
    post_data.push(new Buffer("\r\n--" + boundary + "--"), 'ascii');
   
    MakePost(httpOptions,post_data, boundary,success);
}

function MakePost(httpOptions,post_data, boundary,success) {

var length = 0;
   
    for(var i = 0; i < post_data.length; i++) {
        length += post_data[i].length;
    }

httpOptions.headers = {
        'Content-Type' : 'multipart/form-data; boundary=' + boundary,
        'Content-Length' : length
    };

var post_request = http.request(httpOptions, function(response){
        response.setEncoding('utf8');
        var res="";
        response.on('data', function(chunk){
            res+=chunk;
        });
        response.on('end',function() {
            success(JSON.parse(res));
        });
    });

for (var i = 0; i < post_data.length; i++) {
        post_request.write(post_data[i]);
    }
    post_request.end();
}

英文原文 , OSChina翻译