Files: 3dda4939142e804350f42507b5bd03ce9eb6a3ec / confirm.js
5499 bytesRaw
| 1 | var proc = require('child_process') |
| 2 | var fs = require('fs') |
| 3 | var http = require('http') |
| 4 | var URL = require('url') |
| 5 | var crypto = require('crypto') |
| 6 | var os = require('os') |
| 7 | var qs = require('querystring') |
| 8 | |
| 9 | function escapeHTML (html) { |
| 10 | return String(html) |
| 11 | .replace(/</g, '<') |
| 12 | .replace(/>/g, '>') |
| 13 | } |
| 14 | |
| 15 | function noPublish(content, cb) { |
| 16 | cb(new Error('missing publish function')) |
| 17 | } |
| 18 | |
| 19 | function noPrivatePublish(content, recps, cb) { |
| 20 | cb(new Error('missing private publish function')) |
| 21 | } |
| 22 | |
| 23 | function getForm(stream, cb) { |
| 24 | var bufs = [] |
| 25 | stream.on('data', function (buf) { |
| 26 | bufs.push(buf) |
| 27 | }) |
| 28 | stream.on('end', function () { |
| 29 | var data |
| 30 | try { |
| 31 | data = qs.parse(Buffer.concat(bufs).toString('utf8')) |
| 32 | } catch(e) { |
| 33 | return cb(e) |
| 34 | } |
| 35 | cb(null, data) |
| 36 | }) |
| 37 | } |
| 38 | |
| 39 | function confirm(opts, cb) { |
| 40 | var content = opts.content |
| 41 | var browser = opts.browser |
| 42 | var recps = opts.recps |
| 43 | var publish = opts.publish || noPublish |
| 44 | var getUrl = opts.getUrl |
| 45 | var privatePublish = opts.privatePublish || noPrivatePublish |
| 46 | var redirectBase = opts.redirectBase |
| 47 | |
| 48 | if (typeof cb !== 'function') { |
| 49 | throw new TypeError('bad callback') |
| 50 | } |
| 51 | |
| 52 | if (browser && getUrl) { |
| 53 | return cb(new TypeError('browser option and getUrl option conflict')) |
| 54 | } |
| 55 | if (!browser && !getUrl) { |
| 56 | return cb(new TypeError('missing browser option')) |
| 57 | } |
| 58 | if (recps && !Array.isArray(recps)) { |
| 59 | return cb(new TypeError('recps should be array')) |
| 60 | } |
| 61 | |
| 62 | var token = crypto.randomBytes(32).toString('base64') |
| 63 | |
| 64 | function publish1(content, recps, cb) { |
| 65 | if (recps) privatePublish(content, recps, cb) |
| 66 | else publish(content, cb) |
| 67 | } |
| 68 | |
| 69 | var server = http.createServer(function (req, res) { |
| 70 | var url = URL.parse(req.url, true) |
| 71 | if (url.pathname !== '/') { |
| 72 | res.writeHead(404) |
| 73 | return res.end('Not Found') |
| 74 | } |
| 75 | |
| 76 | if (req.method === 'POST') return getForm(req, function (err, data) { |
| 77 | if (err) { |
| 78 | res.writeHead(500) |
| 79 | return res.end(err.stack || err) |
| 80 | } |
| 81 | |
| 82 | if (data.token !== token) { |
| 83 | res.writeHead(403) |
| 84 | return res.end('Invalid token') |
| 85 | } |
| 86 | |
| 87 | if (data.publish) { |
| 88 | return publish1(content, recps, function (err, msg) { |
| 89 | if (err) { |
| 90 | res.writeHead(500, {'Content-Type': 'text/html'}) |
| 91 | res.end('<!doctype html><html><head><meta charset=utf8><title>publish error</title></head><body>' |
| 92 | + '<h1>' + escapeHTML(err.name || err) + '</h1>' |
| 93 | + '<pre>' + escapeHTML(err.stack || '') + '</pre>' |
| 94 | + '</body></html>') |
| 95 | server.close() |
| 96 | return !getUrl && cb(err) |
| 97 | } |
| 98 | var json = JSON.stringify(msg, 0, 2) |
| 99 | if (redirectBase) { |
| 100 | var url = redirectBase + encodeURIComponent(msg.key) |
| 101 | res.writeHead(302, {'Location': url}) |
| 102 | res.end() |
| 103 | } else { |
| 104 | res.writeHead(200, {'Content-Type': 'text/html'}) |
| 105 | res.end('<!doctype html><html><head><meta charset=utf8><title>published</title></head><body>' |
| 106 | + '<pre>' + escapeHTML(json) + '</pre>' |
| 107 | + '</body></html>') |
| 108 | } |
| 109 | server.close() |
| 110 | return !getUrl && cb(null, msg) |
| 111 | }) |
| 112 | } |
| 113 | if (data.cancel) { |
| 114 | res.writeHead(200, {'Content-Type': 'text/html'}) |
| 115 | res.end('<!doctype html><html><head><meta charset=utf8><title>canceled</title></head><body>' |
| 116 | + '<p>Cancelled</p>' |
| 117 | + '</body></html>') |
| 118 | if (server) server.close() |
| 119 | return !getUrl && cb(new Error('User cancelled')) |
| 120 | } |
| 121 | }) |
| 122 | |
| 123 | var contentJson = JSON.stringify(content, null, 2) |
| 124 | var recpsJson = JSON.stringify(recps, null, 2) |
| 125 | res.writeHead(200, {'Content-Type': 'text/html'}) |
| 126 | res.end('<!doctype html><html><head><meta charset=utf8><title>publish</title></head><body>' |
| 127 | + '<form action="/" method="post">' |
| 128 | + (recps ? '<pre>' + recpsJson + '</pre>' : '') |
| 129 | + '<pre>' + escapeHTML(contentJson) + '</pre>' |
| 130 | + '<input type="hidden" name="token" value="' + token + '">' |
| 131 | + '<input type="submit" name="publish" value="Publish"> ' |
| 132 | + '<input type="submit" name="cancel" value="Cancel">' |
| 133 | + '</form>' |
| 134 | + '</body></html>') |
| 135 | }).listen(0, '127.0.0.1', function () { |
| 136 | var port = this.address().port |
| 137 | var url = 'http://127.0.0.1:' + port + '/' |
| 138 | if (browser) proc.spawn(browser, [url], {stdio: 'inherit'}) |
| 139 | else cb(null, url) |
| 140 | }).on('error', cb) |
| 141 | } |
| 142 | |
| 143 | module.exports = function (opts) { |
| 144 | var publish = opts.publish |
| 145 | var privatePublish = opts.privatePublish |
| 146 | var config = opts.config || {} |
| 147 | var browser = config.browser || |
| 148 | (os.platform() === 'darwin' ? 'open' : 'xdg-open') |
| 149 | var name = opts.name || 'confirm' |
| 150 | |
| 151 | return { |
| 152 | publish: function (content, cb) { |
| 153 | confirm({ |
| 154 | publish: publish, |
| 155 | content: content, |
| 156 | browser: browser, |
| 157 | }, cb) |
| 158 | }, |
| 159 | privatePublish: function (content, recps, cb) { |
| 160 | confirm({ |
| 161 | privatePublish: privatePublish, |
| 162 | recps: recps, |
| 163 | content: content, |
| 164 | browser: browser, |
| 165 | }, cb) |
| 166 | }, |
| 167 | publishGetUrl: function (opts, cb) { |
| 168 | confirm({ |
| 169 | publish: publish, |
| 170 | content: opts.content, |
| 171 | redirectBase: opts.redirectBase, |
| 172 | getUrl: true, |
| 173 | }, cb) |
| 174 | }, |
| 175 | privatePublishGetUrl: function (opts, cb) { |
| 176 | confirm({ |
| 177 | privatePublish: privatePublish, |
| 178 | recps: opts.recps, |
| 179 | content: opts.content, |
| 180 | redirectBase: opts.redirectBase, |
| 181 | getUrl: true, |
| 182 | }, cb) |
| 183 | } |
| 184 | } |
| 185 | } |
| 186 |
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