http-push-plugin/server.js at master · Wendydesigner/http-push-plugin · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
#!/usr/bin/env node

var http = require('http');
var formidable = require('formidable');
var fs = require('fs');
var path = require('path');
var mkdirp = require('mkdirp');
var PORT = parseInt(process.argv[2]) || 8900;


function isDir(path) {
    const stat = fs.lstatSync(path);
    return stat.isDirectory();
}

function deleteall(path) {
    var files = [];
    if(fs.existsSync(path) && isDir(path)) {
        files = fs.readdirSync(path);
        files.forEach(function(file, index) {
            var curPath = path + "/" + file;
            deleteall(curPath);
        });
        fs.rmdirSync(path);
    } else if (fs.existsSync(path) && !isDir(path)) {
        fs.unlinkSync(path);
    }
};

var server = http.createServer(function (req, res) {

    function error(err) {
        res.writeHead(500, {'Content-Type': 'text/plain'});
        res.end(err.toString());
    }

    function next(from, to) {
        fs.readFile(from, function (err, content) {
            if (err) {
                error(err);
            } else {
                fs.writeFile(to, content, function (err) {
                    if (err) {
                        error(err);
                    }
                    res.writeHead(200, {'Content-Type': 'text/plain'});
                    res.end('0');
                });
            }
        });
    }

    if (req.url == '/') {
        res.writeHead(200, {'content-type': 'text/html'});
        res.end('I\'m ready for that, you know.');
    } else if (req.url == '/receiver' && req.method.toLowerCase() == 'post') {
        var form = new formidable.IncomingForm();
        form.parse(req, function (err, fields, files) {
            if (err) {
                error(err);
            } else {
                var to = fields['to'];
                var type = fields['type'];
                if (type === 'remove') {
                    try {
                        deleteall(to);
                        res.end('0');
                    } catch (err) {
                        error(err);
                        return;
                    }
                } else {
                    fs.exists(to, function (exists) {
                        if (exists) {
                            fs.unlink(to, function (err) {
                                next(files.file.path, to);
                            });
                        } else {
                            fs.exists(path.dirname(to), function (exists) {
                                if (exists) {
                                    next(files.file.path, to);
                                } else {
                                    mkdirp(path.dirname(to), 0777, function (err) {
                                        if (err) {
                                            error(err);
                                            return;
                                        }
                                        next(files.file.path, to);
                                    });
                                }
                            });
                        }
                    });
                }
            }
        });
    }
});

server.listen(PORT, function () {
    console.log('receiver listening *:' + PORT);
});