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Commit | Line | Data |
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ca2d3b4d JZ |
1 | 'use strict'; |
2 | ||
13080980 JZ |
3 | var async = require('async'), |
4 | fs = require('fs'), | |
ca2d3b4d | 5 | path = require('path'), |
eb83e4da | 6 | rm = require('del'), |
8c3ae071 | 7 | debug = require('debug')('files'), |
eaa62184 | 8 | mkdirp = require('mkdirp'), |
ca2d3b4d JZ |
9 | HttpError = require('connect-lastmile').HttpError, |
10 | HttpSuccess = require('connect-lastmile').HttpSuccess; | |
11 | ||
8c3ae071 JZ |
12 | var gBasePath; |
13 | ||
14 | exports = module.exports = function (basePath) { | |
15 | gBasePath = basePath; | |
ca2d3b4d | 16 | |
8c3ae071 JZ |
17 | return { |
18 | get: get, | |
19 | put: put, | |
20 | del: del | |
21 | }; | |
22 | }; | |
ca2d3b4d JZ |
23 | |
24 | // http://stackoverflow.com/questions/11293857/fastest-way-to-copy-file-in-node-js | |
25 | function copyFile(source, target, cb) { | |
26 | var cbCalled = false; | |
27 | ||
eaa62184 JZ |
28 | // ensure directory |
29 | mkdirp(path.dirname(target), function (error) { | |
30 | if (error) return cb(error); | |
ca2d3b4d | 31 | |
eaa62184 JZ |
32 | var rd = fs.createReadStream(source); |
33 | rd.on("error", function(err) { | |
34 | done(err); | |
35 | }); | |
ca2d3b4d | 36 | |
eaa62184 JZ |
37 | var wr = fs.createWriteStream(target); |
38 | wr.on("error", function(err) { | |
39 | done(err); | |
40 | }); | |
ca2d3b4d | 41 | |
eaa62184 JZ |
42 | wr.on("close", function(ex) { |
43 | done(); | |
44 | }); | |
45 | ||
46 | rd.pipe(wr); | |
ca2d3b4d | 47 | |
eaa62184 JZ |
48 | function done(err) { |
49 | if (!cbCalled) { | |
50 | cb(err); | |
51 | cbCalled = true; | |
52 | } | |
ca2d3b4d | 53 | } |
eaa62184 | 54 | }); |
ca2d3b4d JZ |
55 | } |
56 | ||
403359cf JZ |
57 | function createDirectory(targetPath, callback) { |
58 | mkdirp(targetPath, function (error) { | |
59 | if (error) return callback(error); | |
60 | callback(null); | |
61 | }); | |
62 | } | |
63 | ||
ca2d3b4d | 64 | function getAbsolutePath(filePath) { |
7bb99aff | 65 | var absoluteFilePath = path.resolve(path.join(gBasePath, filePath)); |
ca2d3b4d | 66 | |
8c3ae071 | 67 | if (absoluteFilePath.indexOf(gBasePath) !== 0) return null; |
ca2d3b4d JZ |
68 | return absoluteFilePath; |
69 | } | |
70 | ||
898fe7c8 JZ |
71 | function removeBasePath(filePath) { |
72 | return filePath.slice(gBasePath.length); | |
73 | } | |
74 | ||
ca2d3b4d JZ |
75 | function get(req, res, next) { |
76 | var filePath = req.params[0]; | |
77 | var absoluteFilePath = getAbsolutePath(filePath); | |
78 | if (!absoluteFilePath) return next(new HttpError(403, 'Path not allowed')); | |
79 | ||
80 | fs.stat(absoluteFilePath, function (error, result) { | |
81 | if (error) return next(new HttpError(404, error)); | |
82 | ||
8c3ae071 | 83 | debug('get', absoluteFilePath); |
ca2d3b4d | 84 | |
13080980 | 85 | if (!result.isDirectory() && !result.isFile()) return next(new HttpError(500, 'unsupported type')); |
cfe24a27 | 86 | if (result.isFile()) return res.sendFile(absoluteFilePath); |
ca2d3b4d | 87 | |
13080980 JZ |
88 | async.map(fs.readdirSync(absoluteFilePath), function (filePath, callback) { |
89 | fs.stat(path.join(absoluteFilePath, filePath), function (error, result) { | |
90 | if (error) return callback(error); | |
91 | ||
92 | callback(null, { | |
93 | isDirectory: result.isDirectory(), | |
94 | isFile: result.isFile(), | |
95 | atime: result.atime, | |
96 | mtime: result.mtime, | |
97 | ctime: result.ctime, | |
98 | birthtime: result.birthtime, | |
99 | size: result.size, | |
100 | filePath: filePath | |
101 | }); | |
102 | }); | |
103 | }, function (error, results) { | |
104 | if (error) return next(new HttpError(500, error)); | |
105 | res.status(222).send({ entries: results }); | |
106 | }); | |
ca2d3b4d JZ |
107 | }); |
108 | } | |
109 | ||
110 | function put(req, res, next) { | |
111 | var filePath = req.params[0]; | |
112 | ||
403359cf JZ |
113 | if (!(req.files && req.files.file) && !req.query.directory) return next(new HttpError(400, 'missing file or directory')); |
114 | if ((req.files && req.files.file) && req.query.directory) return next(new HttpError(400, 'either file or directory')); | |
ca2d3b4d JZ |
115 | |
116 | var absoluteFilePath = getAbsolutePath(filePath); | |
117 | if (!absoluteFilePath) return next(new HttpError(403, 'Path not allowed')); | |
118 | ||
119 | fs.stat(absoluteFilePath, function (error, result) { | |
120 | if (error && error.code !== 'ENOENT') return next(new HttpError(500, error)); | |
121 | ||
403359cf | 122 | debug('put', absoluteFilePath); |
ca2d3b4d | 123 | |
403359cf | 124 | if (result && req.query.directory) return next(new HttpError(409, 'name already exists')); |
ca2d3b4d | 125 | if (result && result.isDirectory()) return next(new HttpError(409, 'cannot put on directories')); |
403359cf JZ |
126 | |
127 | if (req.query.directory) { | |
128 | return createDirectory(absoluteFilePath, function (error) { | |
129 | if (error) return next(new HttpError(500, error)); | |
130 | next(new HttpSuccess(201, {})); | |
131 | }); | |
132 | } else if (!result || result.isFile()) { | |
ca2d3b4d JZ |
133 | return copyFile(req.files.file.path, absoluteFilePath, function (error) { |
134 | if (error) return next(new HttpError(500, error)); | |
135 | next(new HttpSuccess(201, {})); | |
136 | }); | |
137 | } | |
138 | ||
139 | return next(new HttpError(500, 'unsupported type')); | |
140 | }); | |
141 | } | |
142 | ||
143 | function del(req, res, next) { | |
144 | var filePath = req.params[0]; | |
898fe7c8 JZ |
145 | var recursive = !!req.query.recursive; |
146 | var dryRun = !!req.query.dryRun; | |
147 | ||
ca2d3b4d | 148 | var absoluteFilePath = getAbsolutePath(filePath); |
eaa62184 | 149 | if (!absoluteFilePath) return next(new HttpError(404, 'Not found')); |
d755925f JZ |
150 | |
151 | // absoltueFilePath has to have the base path prepended | |
898fe7c8 | 152 | if (absoluteFilePath.length <= gBasePath.length) return next(new HttpError(404, 'Not found')); |
ca2d3b4d JZ |
153 | |
154 | fs.stat(absoluteFilePath, function (error, result) { | |
155 | if (error) return next(new HttpError(404, error)); | |
156 | ||
898fe7c8 JZ |
157 | if (result.isDirectory() && !recursive) return next(new HttpError(403, 'Is directory')); |
158 | ||
159 | // add globs to get file listing | |
160 | if (result.isDirectory()) absoluteFilePath += '/**'; | |
161 | ||
162 | rm(absoluteFilePath, { dryRun: dryRun }).then(function (result) { | |
163 | result = result.map(removeBasePath); | |
eb83e4da | 164 | next(new HttpSuccess(200, { entries: result })); |
898fe7c8 JZ |
165 | }, function (error) { |
166 | console.error(error); | |
167 | next(new HttpError(500, 'Unable to remove')); | |
ca2d3b4d JZ |
168 | }); |
169 | }); | |
170 | } |