Files: 56b227728c19c43bab25c5d354babff2f99dfa7b / index.js
29438 bytesRaw
1 | var http = require('http') |
2 | var os = require('os') |
3 | var path = require('path') |
4 | var fs = require('fs') |
5 | var crypto = require('crypto') |
6 | var pkg = require('./package') |
7 | var semver = require('semver') |
8 | var toPull = require('stream-to-pull-stream') |
9 | var pull = require('pull-stream') |
10 | var tar = require('tar-stream') |
11 | var zlib = require('zlib') |
12 | var hash = require('pull-hash') |
13 | var multicb = require('multicb') |
14 | var memo = require('asyncmemo') |
15 | var lru = require('hashlru') |
16 | |
17 | function escapeHTML(str) { |
18 | return String(str) |
19 | .replace(/</g, '<') |
20 | .replace(/>/g, '>') |
21 | } |
22 | |
23 | function onceify(fn, self) { |
24 | var cbs = [], err, data |
25 | return function (cb) { |
26 | if (fn) { |
27 | cbs.push(cb) |
28 | fn.call(self, function (_err, _data) { |
29 | err = _err, data = _data |
30 | var _cbs = cbs |
31 | cbs = null |
32 | while (_cbs.length) _cbs.shift()(err, data) |
33 | }) |
34 | fn = null |
35 | } else if (cbs) { |
36 | cbs.push(cb) |
37 | } else { |
38 | cb(err, data) |
39 | } |
40 | } |
41 | } |
42 | |
43 | function once(cb) { |
44 | var done |
45 | return function (err, result) { |
46 | if (done) { |
47 | if (err) console.trace(err) |
48 | } else { |
49 | done = true |
50 | cb(err, result) |
51 | } |
52 | } |
53 | } |
54 | |
55 | function pkgLockToRegistryPkgs(pkgLock, wsPort) { |
56 | // convert a package-lock.json file into data for serving as an npm registry |
57 | var hasNonBlobUrl = false |
58 | var blobUrlRegex = new RegExp('^http://localhost:' + wsPort + '/blobs/get/&') |
59 | var pkgs = {} |
60 | var queue = [pkgLock, pkgLock.name] |
61 | while (queue.length) { |
62 | var dep = queue.shift(), name = queue.shift() |
63 | if (name) { |
64 | var pkg = pkgs[name] || (pkgs[name] = { |
65 | _id: name, |
66 | name: name, |
67 | versions: {} |
68 | }) |
69 | if (dep.version && dep.integrity && dep.resolved) { |
70 | if (!hasNonBlobUrl && !blobUrlRegex.test(dep.resolved)) hasNonBlobUrl = true |
71 | pkg.versions[dep.version] = { |
72 | name: name, |
73 | version: dep.version, |
74 | dist: { |
75 | integrity: dep.integrity, |
76 | tarball: dep.resolved |
77 | } |
78 | } |
79 | } |
80 | } |
81 | if (dep.dependencies) for (var depName in dep.dependencies) { |
82 | queue.push(dep.dependencies[depName], depName) |
83 | } |
84 | } |
85 | pkgs._hasNonBlobUrl = hasNonBlobUrl |
86 | return pkgs |
87 | } |
88 | |
89 | function npmLogin(registryAddress, cb) { |
90 | var tokenLine = registryAddress.replace(/^http:/, '') + ':_authToken=1' |
91 | var filename = path.join(os.homedir(), '.npmrc') |
92 | fs.readFile(filename, 'utf8', function (err, data) { |
93 | if (err && err.code === 'ENOENT') data = '' |
94 | else if (err) return cb(new Error(err.stack)) |
95 | var lines = data ? data.split('\n') : [] |
96 | if (lines.indexOf(tokenLine) > -1) return cb() |
97 | var trailingNewline = (lines.length === 0 || lines[lines.length-1] === '') |
98 | var line = trailingNewline ? tokenLine + '\n' : '\n' + tokenLine |
99 | fs.appendFile(filename, line, cb) |
100 | }) |
101 | } |
102 | |
103 | function formatHost(host) { |
104 | return /^[^\[]:.*:.*:/.test(host) ? '[' + host + ']' : host |
105 | } |
106 | |
107 | exports.name = 'npm-registry' |
108 | exports.version = '1.0.0' |
109 | exports.manifest = { |
110 | getAddress: 'async' |
111 | } |
112 | exports.init = function (sbot, config) { |
113 | var conf = config.npm || {} |
114 | var port = conf.port || 8043 |
115 | var host = conf.host || null |
116 | var autoAuth = conf.autoAuth !== false |
117 | |
118 | var server = http.createServer(exports.respond(sbot, config)) |
119 | var getAddress = onceify(function (cb) { |
120 | server.on('error', cb) |
121 | server.listen(port, host, function () { |
122 | server.removeListener('error', cb) |
123 | var regHost = formatHost(host || 'localhost') |
124 | var regPort = this.address().port |
125 | var regUrl = 'http://' + regHost + ':' + regPort + '/' |
126 | if (autoAuth) npmLogin(regUrl, next) |
127 | else next() |
128 | function next(err) { |
129 | cb(err, regUrl) |
130 | } |
131 | }) |
132 | sbot.on('close', function () { |
133 | server.close() |
134 | }) |
135 | }) |
136 | |
137 | getAddress(function (err, addr) { |
138 | if (err) return console.error(err) |
139 | console.log('[npm-registry] Listening on ' + addr) |
140 | }) |
141 | |
142 | return { |
143 | getAddress: getAddress |
144 | } |
145 | } |
146 | |
147 | exports.respond = function (sbot, config) { |
148 | var reg = new SsbNpmRegistryServer(sbot, config) |
149 | return function (req, res) { |
150 | new Req(reg, req, res).serve() |
151 | } |
152 | } |
153 | |
154 | function publishMsg(sbot, value, cb) { |
155 | var gotExpectedPrevious = false |
156 | sbot.publish(value, function next(err, msg) { |
157 | if (err && /^expected previous:/.test(err.message)) { |
158 | // retry once on this error |
159 | if (gotExpectedPrevious) return cb(err) |
160 | gotExpectedPrevious = true |
161 | return sbot.publish(value, next) |
162 | } |
163 | cb(err, msg) |
164 | }) |
165 | } |
166 | |
167 | function getDependencyBranches(sbot, id, cb) { |
168 | // get ids of heads of tree of dependencyBranch message links to include all |
169 | // the dependencies of the given tarball id. |
170 | var getPackageJsonCached = memo(getPackageJsonFromTarballBlob, sbot) |
171 | var msgs = {} |
172 | var branched = {} |
173 | var blobs = {} |
174 | |
175 | function addPkgById(id, cb) { |
176 | if (blobs[id]) return cb() |
177 | blobs[id] = true |
178 | getPackageJsonCached(id, function (err, pkg) { |
179 | if (err) return cb(err) |
180 | var done = multicb() |
181 | for (var name in pkg.dependencies || {}) { |
182 | addPkgBySpec(name, pkg.dependencies[name], done()) |
183 | } |
184 | done(cb) |
185 | }) |
186 | } |
187 | |
188 | function addPkgBySpec(name, spec, cb) { |
189 | var done = multicb() |
190 | pull( |
191 | getMentions(sbot.links2, {$prefix: 'npm:' + name + ':'}), |
192 | pull.map(function (mention) { |
193 | addPkgById(mention.link, done()) |
194 | return packageLinks(sbot, mention.author, mention.link, name, spec) |
195 | }), |
196 | pull.flatten(), |
197 | pull.drain(function (msg) { |
198 | var c = msg && msg.value && msg.value.content |
199 | if (!c) return |
200 | msgs[msg.key] = msg.value |
201 | if (Array.isArray(c.dependencyBranch)) { |
202 | for (var k = 0; k < c.dependencyBranch.length; k++) { |
203 | branched[c.dependencyBranch[k]] = true |
204 | } |
205 | } |
206 | }, function (err) { |
207 | if (err) return cb(err) |
208 | done(cb) |
209 | }) |
210 | ) |
211 | } |
212 | |
213 | addPkgById(id, function (err) { |
214 | if (err) return cb(err) |
215 | var ids = [] |
216 | for (var key in msgs) { |
217 | if (!branched[key]) ids.push(key) |
218 | } |
219 | cb(null, ids) |
220 | }) |
221 | } |
222 | |
223 | function packageLinks(sbot, feed, id, name, spec) { |
224 | function matches(mention) { |
225 | var data = mention |
226 | && mention.link === id |
227 | && decodeName(mention.name) |
228 | return data |
229 | && data.name === name |
230 | && (spec ? semver.satisfies(data.version, spec) : true) |
231 | } |
232 | return pull( |
233 | sbot.links({ |
234 | source: feed, |
235 | dest: id, |
236 | rel: 'mentions', |
237 | values: true, |
238 | }), |
239 | pull.filter(function (msg) { |
240 | var c = msg && msg.value && msg.value.content |
241 | return c && Array.isArray(c.mentions) && c.mentions.some(matches) |
242 | }) |
243 | ) |
244 | } |
245 | |
246 | function getVersionBranches(sbot, link, cb) { |
247 | var data = decodeName(link.name) |
248 | var msgs = {}, branched = {} |
249 | pull( |
250 | getMentions(sbot.links2, {$prefix: 'npm:' + data.name + ':'}), |
251 | pull.map(function (mention) { |
252 | return packageLinks(sbot, mention.author, mention.link, data.name) |
253 | }), |
254 | pull.flatten(), |
255 | pull.drain(function (msg) { |
256 | var c = msg && msg.value && msg.value.content |
257 | if (!c) return |
258 | msgs[msg.key] = msg.value |
259 | if (Array.isArray(c.versionBranch)) { |
260 | for (var k = 0; k < c.versionBranch.length; k++) { |
261 | branched[c.versionBranch[k]] = true |
262 | } |
263 | } |
264 | }, function (err) { |
265 | if (err) return cb(err) |
266 | var ids = [] |
267 | for (var key in msgs) { |
268 | if (!branched[key]) ids.push(key) |
269 | } |
270 | cb(null, ids) |
271 | }) |
272 | ) |
273 | } |
274 | |
275 | // For each dependency that is not a bundledDependency, get message ids for |
276 | // that dependency name + version. |
277 | function publishSingleMention(sbot, mention, cb) { |
278 | // Calculate dependencyBranch and versionBranch message ids. |
279 | var value = { |
280 | type: 'npm-packages', |
281 | mentions: [mention] |
282 | } |
283 | var done = multicb({pluck: 1, spread: true}) |
284 | getDependencyBranches(sbot, mention.link, done()) |
285 | getVersionBranches(sbot, mention, done()) |
286 | done(function (err, dependencyBranches, versionBranches) { |
287 | if (err) return cb(err) |
288 | value.dependencyBranch = dependencyBranches || undefined |
289 | value.versionBranch = versionBranches || undefined |
290 | publishMsg(sbot, value, cb) |
291 | }) |
292 | } |
293 | |
294 | function publishMentions(sbot, mentions, cb) { |
295 | // console.error("publishing %s mentions", mentions.length) |
296 | if (mentions.length === 0) return cb(new Error('Empty mentions list')) |
297 | // if it is just one mention, fetch and add useful metadata |
298 | if (mentions.length === 1) return publishSingleMention(sbot, mentions[0], cb) |
299 | publishMsg(sbot, { |
300 | type: 'npm-packages', |
301 | mentions: mentions, |
302 | }, cb) |
303 | } |
304 | |
305 | exports.publishPkgMentions = function (sbot, mentions, cb) { |
306 | // try to fit the mentions into as few messages as possible, |
307 | // while fitting under the message size limit. |
308 | var msgs = [] |
309 | ;(function next(i, chunks) { |
310 | if (i >= mentions.length) return cb(null, msgs) |
311 | var chunkLen = Math.ceil(mentions.length / chunks) |
312 | publishMentions(sbot, mentions.slice(i, i + chunkLen), function (err, msg) { |
313 | if (err && /must not be large/.test(err.message)) return next(i, chunks + 1) |
314 | if (err && msgs.length) return onPartialPublish(err) |
315 | if (err) return cb(err) |
316 | msgs.push(msg) |
317 | next(i + chunkLen, chunks) |
318 | }) |
319 | })(0, 1) |
320 | function onPartialPublish(err) { |
321 | var remaining = mentions.length - i |
322 | return cb(new Error('Published messages ' + |
323 | msgs.map(function (msg) { return msg.key }).join(', ') + ' ' + |
324 | 'but failed to publish remaining ' + remaining + ': ' + (err.stack || err))) |
325 | } |
326 | } |
327 | |
328 | exports.expandPkgMentions = function (sbot, mentions, props, cb) { |
329 | cb = once(cb) |
330 | var waiting = 0 |
331 | var expandedMentions = mentions.map(function (link) { |
332 | var id = link && link.link |
333 | if (!id) return link |
334 | waiting++ |
335 | var newLink = {} |
336 | for (var k in link) newLink[k] = link[k] |
337 | getPackageJsonFromTarballBlob(sbot, id, function (err, pkg) { |
338 | if (err) return cb(err) |
339 | for (var k in props) newLink[k] = pkg[k] |
340 | if (props.shasum && !pkg.shasum) newLink.shasum = pkg._shasum |
341 | if (!--waiting) next() |
342 | }) |
343 | return newLink |
344 | }) |
345 | if (!waiting) next() |
346 | function next() { |
347 | cb(null, expandedMentions) |
348 | } |
349 | } |
350 | |
351 | function SsbNpmRegistryServer(sbot, config) { |
352 | this.sbot = sbot |
353 | this.config = config |
354 | this.npmConfig = config.npm || {} |
355 | this.host = this.npmConfig.host || 'localhost' |
356 | this.fetchAll = this.npmConfig.fetchAll |
357 | this.needShasum = this.npmConfig.needShasum |
358 | this.links2 = sbot.links2 |
359 | if (!this.links2) throw new Error('missing ssb-links2 scuttlebot plugin') |
360 | this.wsPort = config.ws && Number(config.ws.port) || '8989' |
361 | this.blobsPrefix = 'http://' + (config.host || 'localhost') + ':' |
362 | + this.wsPort + '/blobs/get/' |
363 | this.getBootstrapInfo = onceify(this.getBootstrapInfo, this) |
364 | } |
365 | |
366 | SsbNpmRegistryServer.prototype = Object.create(http.Server.prototype) |
367 | SsbNpmRegistryServer.prototype.constructor = SsbNpmRegistryServer |
368 | |
369 | SsbNpmRegistryServer.prototype.pushBlobs = function (ids, cb) { |
370 | var self = this |
371 | if (!self.sbot.blobs.push) return cb(new Error('missing blobs.push')) |
372 | ;(function next(i) { |
373 | if (i >= ids.length) return cb() |
374 | self.sbot.blobs.push(ids[i], function (err) { |
375 | if (err) return cb(err) |
376 | next(i+1) |
377 | }) |
378 | })(0) |
379 | } |
380 | |
381 | function getBlob(sbot, id, cb) { |
382 | var blobs = sbot.blobs |
383 | blobs.size(id, function (err, size) { |
384 | if (typeof size === 'number') cb(null, blobs.get(id)) |
385 | else blobs.want(id, function (err, got) { |
386 | if (err) cb(err) |
387 | else if (!got) cb('missing blob ' + id) |
388 | else cb(null, blobs.get(id)) |
389 | }) |
390 | }) |
391 | } |
392 | |
393 | SsbNpmRegistryServer.prototype.blobDist = function (id) { |
394 | var m = /^&([^.]+)\.([a-z0-9]+)$/.exec(id) |
395 | if (!m) throw new Error('bad blob id: ' + id) |
396 | return { |
397 | integrity: m[2] + '-' + m[1], |
398 | tarball: 'http://localhost:' + this.wsPort + '/blobs/get/' + id |
399 | } |
400 | } |
401 | |
402 | function getMentions(links2, name) { |
403 | return links2.read({ |
404 | query: [ |
405 | {$filter: {rel: ['mentions', name, {$gt: true}]}}, |
406 | {$filter: {dest: {$prefix: '&'}}}, |
407 | {$map: { |
408 | name: ['rel', 1], |
409 | size: ['rel', 2], |
410 | link: 'dest', |
411 | author: 'source', |
412 | ts: 'ts' |
413 | }} |
414 | ] |
415 | }) |
416 | } |
417 | |
418 | SsbNpmRegistryServer.prototype.getMentions = function (name) { |
419 | return getMentions(this.links2, name) |
420 | } |
421 | |
422 | SsbNpmRegistryServer.prototype.getLocalPrebuildsLinks = function (cb) { |
423 | var self = this |
424 | var prebuildsDir = path.join(os.homedir(), '.npm', '_prebuilds') |
425 | var ids = {} |
426 | var nameRegex = new RegExp('^http-' + self.host.replace(/\./g, '.') + '-(?:[0-9]+)-prebuild-(.*)$') |
427 | fs.readdir(prebuildsDir, function (err, filenames) { |
428 | if (err) return cb(new Error(err.stack || err)) |
429 | ;(function next(i) { |
430 | if (i >= filenames.length) return cb(null, ids) |
431 | var m = nameRegex.exec(filenames[i]) |
432 | if (!m) return next(i+1) |
433 | var name = m[1] |
434 | fs.readFile(path.join(prebuildsDir, filenames[i]), function (err, data) { |
435 | if (err) return cb(new Error(err.stack || err)) |
436 | self.sbot.blobs.add(function (err, id) { |
437 | if (err) return cb(new Error(err.stack || err)) |
438 | ids[name] = id |
439 | next(i+1) |
440 | })(pull.once(data)) |
441 | }) |
442 | })(0) |
443 | }) |
444 | } |
445 | |
446 | SsbNpmRegistryServer.prototype.getBootstrapInfo = function (cb) { |
447 | var self = this |
448 | if (!self.sbot.bootstrap) return cb(new Error('missing sbot bootstrap plugin')) |
449 | |
450 | self.sbot.bootstrap.getPackageLock(function (err, sbotPkgLock) { |
451 | if (err) return cb(new Error(err.stack || err)) |
452 | var pkgs = pkgLockToRegistryPkgs(sbotPkgLock, self.wsPort) |
453 | if (pkgs._hasNonBlobUrl) { |
454 | console.error('[npm-registry] Warning: package-lock.json has non-blob URLs. Bootstrap installation may not be fully peer-to-peer.') |
455 | } |
456 | |
457 | if (!sbotPkgLock.name) console.trace('missing pkg lock name') |
458 | if (!sbotPkgLock.version) console.trace('missing pkg lock version') |
459 | |
460 | var waiting = 2 |
461 | |
462 | self.sbot.blobs.add(function (err, id) { |
463 | if (err) return next(new Error(err.stack || err)) |
464 | var pkg = pkgs[sbotPkgLock.name] || (pkgs[sbotPkgLock.name] = {}) |
465 | var versions = pkg.versions || (pkg.versions = {}) |
466 | pkg.versions[sbotPkgLock.version] = { |
467 | name: sbotPkgLock.name, |
468 | version: sbotPkgLock.version, |
469 | dist: self.blobDist(id) |
470 | } |
471 | var distTags = pkg['dist-tags'] || (pkg['dist-tags'] = {}) |
472 | distTags.latest = sbotPkgLock.version |
473 | next() |
474 | })(self.sbot.bootstrap.pack()) |
475 | |
476 | var prebuilds |
477 | self.getLocalPrebuildsLinks(function (err, _prebuilds) { |
478 | if (err) return next(err) |
479 | prebuilds = _prebuilds |
480 | next() |
481 | }) |
482 | |
483 | function next(err) { |
484 | if (err) return waiting = 0, cb(err) |
485 | if (--waiting) return |
486 | fs.readFile(path.join(__dirname, 'bootstrap.js'), { |
487 | encoding: 'utf8' |
488 | }, function (err, bootstrapScript) { |
489 | if (err) return cb(err) |
490 | var script = bootstrapScript + '\n' + |
491 | 'exports.pkgs = ' + JSON.stringify(pkgs, 0, 2) + '\n' + |
492 | 'exports.prebuilds = ' + JSON.stringify(prebuilds, 0, 2) |
493 | |
494 | self.sbot.blobs.add(function (err, id) { |
495 | if (err) return cb(new Error(err.stack || err)) |
496 | var m = /^&([^.]+)\.([a-z0-9]+)$/.exec(id) |
497 | if (!m) return cb(new Error('bad blob id: ' + id)) |
498 | cb(null, { |
499 | name: sbotPkgLock.name, |
500 | blob: id, |
501 | hashType: m[2], |
502 | hashBuf: Buffer.from(m[1], 'base64'), |
503 | }) |
504 | })(pull.once(script)) |
505 | }) |
506 | } |
507 | }) |
508 | } |
509 | |
510 | function Req(server, req, res) { |
511 | this.server = server |
512 | this.req = req |
513 | this.res = res |
514 | this.blobsToPush = [] |
515 | this.fetchAll = server.fetchAll != null ? server.fetchAll : true |
516 | var ua = this.req.headers['user-agent'] |
517 | var m = /\bnpm\/([0-9]*)/.exec(ua) |
518 | var npmVersion = m && m[1] |
519 | this.needShasum = server.needShasum != null ? server.needShasum : |
520 | (npmVersion && npmVersion < 5) |
521 | } |
522 | |
523 | Req.prototype.serve = function () { |
524 | console.log(this.req.method, this.req.url, this.req.socket.remoteAddress.replace(/^::ffff:/, '')) |
525 | var pathname = this.req.url.replace(/\?.*/, '') |
526 | var m |
527 | if (pathname === '/') return this.serveHome() |
528 | if (pathname === '/bootstrap') return this.serveBootstrap() |
529 | if (pathname === '/-/whoami') return this.serveWhoami() |
530 | if (pathname === '/-/ping') return this.respond(200, true) |
531 | if (pathname === '/-/user/org.couchdb.user:1') return this.serveUser1() |
532 | if ((m = /^\/-\/prebuild\/(.*)$/.exec(pathname))) return this.servePrebuild(m[1]) |
533 | if (!/^\/-\//.test(pathname)) return this.servePkg(pathname.substr(1)) |
534 | return this.respond(404) |
535 | } |
536 | |
537 | Req.prototype.respond = function (status, message) { |
538 | this.res.writeHead(status, {'content-type': 'application/json'}) |
539 | this.res.end(message && JSON.stringify(message, 0, 2)) |
540 | } |
541 | |
542 | Req.prototype.respondError = function (status, message) { |
543 | this.respond(status, {error: message}) |
544 | } |
545 | |
546 | var bootstrapName = 'ssb-npm-bootstrap' |
547 | |
548 | Req.prototype.serveHome = function () { |
549 | var self = this |
550 | self.res.writeHead(200, {'content-type': 'text/html'}) |
551 | var port = 8044 |
552 | self.res.end('<!doctype html><html><head><meta charset=utf-8>' + |
553 | '<title>' + escapeHTML(pkg.name) + '</title></head><body>' + |
554 | '<h1>' + escapeHTML(pkg.name) + '</h1>\n' + |
555 | '<p><a href="/bootstrap">Bootstrap</a></p>\n' + |
556 | '</body></html>') |
557 | } |
558 | |
559 | Req.prototype.serveBootstrap = function () { |
560 | var self = this |
561 | self.server.getBootstrapInfo(function (err, info) { |
562 | if (err) return self.respondError(err.stack || err) |
563 | var pkgNameText = info.name |
564 | var pkgTmpText = '/tmp/' + bootstrapName + '.js' |
565 | var host = String(self.req.headers.host).replace(/:[0-9]*$/, '') || self.req.socket.localAddress |
566 | var httpHost = /^[^\[]:.*:.*:/.test(host) ? '[' + host + ']' : host |
567 | var blobsHostname = httpHost + ':' + self.server.wsPort |
568 | var tarballLink = 'http://' + blobsHostname + '/blobs/get/' + info.blob |
569 | var pkgHashText = info.hashBuf.toString('hex') |
570 | var hashCmd = info.hashType + 'sum' |
571 | |
572 | var script = |
573 | 'wget \'' + tarballLink + '\' -O ' + pkgTmpText + ' &&\n' + |
574 | 'echo ' + pkgHashText + ' ' + pkgTmpText + ' | ' + hashCmd + ' -c &&\n' + |
575 | 'node ' + pkgTmpText + ' --blobs-remote ' + blobsHostname + ' -- ' + |
576 | 'npm install -g ' + info.name + ' &&\n' + |
577 | 'sbot server' |
578 | |
579 | self.res.writeHead(200, {'content-type': 'text/plain'}) |
580 | self.res.end(script) |
581 | }) |
582 | } |
583 | |
584 | Req.prototype.serveWhoami = function () { |
585 | var self = this |
586 | self.server.sbot.whoami(function (err, feed) { |
587 | if (err) return self.respondError(err.stack || err) |
588 | self.respond(200, {username: feed.id}) |
589 | }) |
590 | } |
591 | |
592 | Req.prototype.serveUser1 = function () { |
593 | this.respond(this.req.method === 'PUT' ? 201 : 200, {token: '1'}) |
594 | } |
595 | |
596 | function decodeName(name) { |
597 | var parts = name.replace(/\.tgz$/, '').split(':') |
598 | return { |
599 | name: parts[1], |
600 | version: parts[2], |
601 | distTag: parts[3], |
602 | } |
603 | } |
604 | |
605 | Req.prototype.servePkg = function (pathname) { |
606 | var self = this |
607 | var parts = pathname.split('/') |
608 | var pkgName = parts.shift().replace(/%2f/i, '/') |
609 | if (parts[0] === '-rev') return this.respondError(501, 'Unpublish is not supported') |
610 | var spec = parts.shift() |
611 | if (spec) try { spec = decodeURIComponent(spec) } finally {} |
612 | if (parts.length > 0) return this.respondError(404) |
613 | if (self.req.method === 'PUT') return self.publishPkg(pkgName) |
614 | var obj = { |
615 | _id: pkgName, |
616 | name: pkgName, |
617 | 'dist-tags': {}, |
618 | versions: {} |
619 | } |
620 | var distTags = {/* <tag>: {version, ts}*/} |
621 | pull( |
622 | self.server.getMentions({$prefix: 'npm:' + pkgName + ':'}), |
623 | pull.drain(function (mention) { |
624 | var data = decodeName(mention.name) |
625 | if (!data.version) return |
626 | if (data.distTag) { |
627 | var tag = distTags[data.distTag] |
628 | if (!tag || mention.ts > tag.ts) { |
629 | /* TODO: sort by causal order (versionBranch links) instead of just |
630 | * by timestamps */ |
631 | distTags[data.distTag] = {ts: mention.ts, version: data.version} |
632 | } |
633 | } |
634 | obj.versions[data.version] = { |
635 | author: { |
636 | url: mention.author |
637 | }, |
638 | name: pkgName, |
639 | version: data.version, |
640 | dist: self.server.blobDist(mention.link) |
641 | } |
642 | }, function (err) { |
643 | if (err) return self.respondError(500, err.stack || err) |
644 | for (var tag in distTags) { |
645 | obj['dist-tags'][tag] = distTags[tag].version |
646 | } |
647 | if (spec) resolveSpec() |
648 | else if (self.fetchAll) resolveAll() |
649 | else done() |
650 | }) |
651 | ) |
652 | function resolveSpec() { |
653 | var version = obj['dist-tags'][spec] |
654 | || semver.maxSatisfying(Object.keys(obj.versions), spec) |
655 | obj = obj.versions[version] |
656 | if (!obj) return self.respondError(404, 'version not found: ' + spec) |
657 | self.populatePackageJson(obj, function (err, pkg) { |
658 | if (err) return self.respondError(500, err.stack || err) |
659 | obj = pkg || obj |
660 | done() |
661 | }) |
662 | } |
663 | function resolveAll() { |
664 | var waiting = 0 |
665 | for (var version in obj.versions) (function (version) { |
666 | waiting++ |
667 | self.populatePackageJson(obj.versions[version], function (err, pkg) { |
668 | if (err && waiting <= 0) return console.trace(err) |
669 | if (err) return waiting = 0, self.respondError(500, err.stack || err) |
670 | if (pkg) obj.versions[version] = pkg |
671 | if (!--waiting) done() |
672 | }) |
673 | }(version)) |
674 | if (!waiting) done() |
675 | } |
676 | function done() { |
677 | self.respond(200, obj) |
678 | } |
679 | } |
680 | |
681 | Req.prototype.servePrebuild = function (name) { |
682 | var self = this |
683 | var getMention = self.server.getMentions('prebuild:' + name) |
684 | var blobsByAuthor = {/* <author>: BlobId */} |
685 | getMention(null, function next(err, link) { |
686 | if (err === true) return done() |
687 | if (err) return self.respondError(500, err.stack || err) |
688 | blobsByAuthor[link.author] = link.link |
689 | getMention(null, next) |
690 | }) |
691 | function done() { |
692 | var authorsByLink = {/* <BlobId>: [FeedId...] */} |
693 | var blobId |
694 | for (var feed in blobsByAuthor) { |
695 | var blob = blobId = blobsByAuthor[feed] |
696 | var feeds = authorsByLink[blob] || (authorsByLink[blob] = []) |
697 | feeds.push(feed) |
698 | } |
699 | switch (Object.keys(authorsByLink).length) { |
700 | case 0: |
701 | return self.respondError(404, 'Not Found') |
702 | case 1: |
703 | self.res.writeHead(303, {Location: self.server.blobsPrefix + blobId}) |
704 | return self.res.end() |
705 | default: |
706 | return self.respond(300, {choices: authorsByLink}) |
707 | } |
708 | } |
709 | } |
710 | |
711 | var localhosts = { |
712 | '::1': true, |
713 | '127.0.0.1': true, |
714 | '::ffff:127.0.0.1': true, |
715 | } |
716 | |
717 | Req.prototype.publishPkg = function (pkgName) { |
718 | var self = this |
719 | var remoteAddress = self.req.socket.remoteAddress |
720 | if (!(remoteAddress in localhosts)) { |
721 | return self.respondError(403, 'You may not publish as this user.') |
722 | } |
723 | |
724 | var chunks = [] |
725 | self.req.on('data', function (data) { |
726 | chunks.push(data) |
727 | }) |
728 | self.req.on('end', function () { |
729 | var data |
730 | try { |
731 | data = JSON.parse(Buffer.concat(chunks)) |
732 | } catch(e) { |
733 | return self.respondError(400, e.stack) |
734 | } |
735 | return self.publishPkg2(pkgName, data || {}) |
736 | }) |
737 | } |
738 | |
739 | Req.prototype.publishPkg2 = function (name, data) { |
740 | var self = this |
741 | if (data.users) console.trace('[npm-registry] users property is not supported') |
742 | var attachments = data._attachments || {} |
743 | var links = {/* <name>-<version>.tgz: {link: <BlobId>, size: number} */} |
744 | var waiting = 0 |
745 | Object.keys(attachments).forEach(function (filename) { |
746 | waiting++ |
747 | var data = attachments[filename].data |
748 | var tarball = new Buffer(data, 'base64') |
749 | var length = attachments[filename].length |
750 | if (length && length !== tarball.length) return self.respondError(400, |
751 | 'Length mismatch for attachment \'' + filename + '\'') |
752 | self.server.sbot.blobs.add(function (err, id) { |
753 | if (err) return self.respondError(500, |
754 | 'Adding attachment \'' + filename + '\' as blob failed') |
755 | self.blobsToPush.push(id) |
756 | var shasum = crypto.createHash('sha1').update(data).digest('hex') |
757 | links[filename] = {link: id, size: tarball.length, shasum: shasum} |
758 | if (!--waiting) next() |
759 | })(pull.once(tarball)) |
760 | }) |
761 | function next() { |
762 | try { |
763 | self.publishPkg3(name, data, links) |
764 | } catch(e) { |
765 | self.respondError(500, e.stack || e) |
766 | } |
767 | } |
768 | } |
769 | |
770 | Req.prototype.publishPkg3 = function (name, data, links) { |
771 | var self = this |
772 | var versions = data.versions || {} |
773 | var linksByVersion = {/* <version>: link */} |
774 | |
775 | // associate tarball blobs with versions |
776 | for (var version in versions) { |
777 | var pkg = versions[version] |
778 | if (!pkg) return self.respondError(400, 'Bad package object') |
779 | if (!pkg.dist) return self.respondError(400, 'Missing package dist property') |
780 | if (!pkg.dist.tarball) return self.respondError(400, 'Missing dist.tarball property') |
781 | if (pkg.deprecated) return self.respondError(501, 'Deprecation is not supported') |
782 | var m = /\/-\/([^\/]+)$/.exec(pkg.dist.tarball) |
783 | if (!m) return self.respondError(400, 'Bad tarball URL \'' + pkg.dist.tarball + '\'') |
784 | var filename = m[1] |
785 | var link = links[filename] |
786 | if (!link) return self.respondError(501, 'Unable to find attachment \'' + filename + '\'') |
787 | // TODO?: try to find missing tarball mentioned in other messages |
788 | if (pkg.version && pkg.version !== version) |
789 | return self.respondError(400, 'Mismatched package version: ' + [pkg.version, version]) |
790 | linksByVersion[version] = link |
791 | link.version = version |
792 | link.dependencies = pkg.dependencies || {} |
793 | link.bundledDependencies = pkg.bundledDependencies || pkg.bundleDependencies |
794 | } |
795 | |
796 | // associate blobs with dist-tags |
797 | var tags = data['dist-tags'] || {} |
798 | for (var tag in tags) { |
799 | var version = tags[tag] |
800 | var link = linksByVersion[version] |
801 | if (!link) return self.respondError(501, 'Setting a dist-tag for a version not being published is not supported.') |
802 | // TODO?: support setting dist-tag without version, |
803 | // by looking up a tarball blob for the version |
804 | link.tag = tag |
805 | } |
806 | |
807 | // compute blob links to publish |
808 | var mentions = [] |
809 | for (var filename in links) { |
810 | var link = links[filename] || {} |
811 | if (!link.version) return self.respondError(400, 'Attachment ' + filename + ' was not linked to in the package metadata') |
812 | mentions.push({ |
813 | name: 'npm:' + name + ':' + link.version + (link.tag ? ':' + link.tag : ''), |
814 | link: link.link, |
815 | size: link.size, |
816 | shasum: link.shasum, |
817 | dependencies: link.dependencies, |
818 | bundledDependencies: link.bundledDependencies, |
819 | }) |
820 | } |
821 | return self.publishPkgs(mentions) |
822 | } |
823 | |
824 | Req.prototype.publishPkgs = function (mentions) { |
825 | var self = this |
826 | exports.publishPkgMentions(self.server.sbot, mentions, function (err, msgs) { |
827 | if (err) self.respondError(500, err.stack || err) |
828 | self.server.pushBlobs(self.blobsToPush, function (err) { |
829 | if (err) console.error('[npm-registry] Failed to push blob ' + id + ': ' + (err.stack || err)) |
830 | self.respond(201) |
831 | console.log(msgs.map(function (msg) { return msg.key }).join('\n')) |
832 | }) |
833 | }) |
834 | } |
835 | |
836 | Req.prototype.populatePackageJson = function (obj, cb) { |
837 | var self = this |
838 | var blobId = obj.dist.tarball.replace(/.*\/blobs\/get\//, '') |
839 | var deps, bundledDeps, shasum |
840 | |
841 | // look for dependencies in links. |
842 | // then fallback to getting it from the tarball blob |
843 | |
844 | pull( |
845 | self.server.sbot.links({ |
846 | dest: blobId, |
847 | rel: 'mentions', |
848 | values: true, |
849 | }), |
850 | // decryption could be done here |
851 | pull.map(function (msg) { |
852 | var c = msg.value && msg.value.content |
853 | var mentions = c && c.mentions |
854 | return Array.isArray(mentions) ? mentions : [] |
855 | }), |
856 | pull.flatten(), |
857 | pull.filter(function (link) { |
858 | return link && link.link === blobId |
859 | }), |
860 | pull.drain(function (link) { |
861 | if (link.dependencies) deps = link.dependencies |
862 | if (link.shasum) shasum = link.shasum |
863 | bundledDeps = link.bundledDependencies || link.bundleDependencies || bundledDeps |
864 | // how to handle multiple assignments of dependencies to a package? |
865 | }, function (err) { |
866 | if (err) return cb(new Error(err.stack || err)) |
867 | if (deps && (shasum || !self.needShasum)) { |
868 | // assume that the dependencies in the links to the blob are |
869 | // correct. |
870 | obj.dependencies = deps |
871 | obj.bundledDependencies = bundledDeps |
872 | if (shasum) obj.dist.shasum = obj._shasum = shasum |
873 | cb(null, obj) |
874 | } else { |
875 | // get dependencies from the tarball |
876 | getPackageJsonFromTarballBlob(self.server.sbot, blobId, function (err, pkg) { |
877 | if (err) return cb(err) |
878 | pkg.dist = obj.dist |
879 | pkg.dist.shasum = pkg._shasum |
880 | pkg.author = pkg.author || obj.author |
881 | pkg.version = pkg.version || obj.version |
882 | pkg.name = pkg.name || obj.name |
883 | cb(null, pkg) |
884 | }) |
885 | } |
886 | }) |
887 | ) |
888 | } |
889 | |
890 | function getPackageJsonFromTarballBlob(sbot, id, cb) { |
891 | var self = this |
892 | getBlob(sbot, id, function (err, readBlob) { |
893 | if (err) return cb(err) |
894 | cb = once(cb) |
895 | var extract = tar.extract() |
896 | var pkg, shasum |
897 | extract.on('entry', function (header, stream, next) { |
898 | if (/^[^\/]*\/package\.json$/.test(header.name)) { |
899 | pull(toPull.source(stream), pull.collect(function (err, bufs) { |
900 | if (err) return cb(err) |
901 | try { pkg = JSON.parse(Buffer.concat(bufs)) } |
902 | catch(e) { return cb(e) } |
903 | next() |
904 | })) |
905 | } else { |
906 | stream.on('end', next) |
907 | stream.resume() |
908 | } |
909 | }) |
910 | extract.on('finish', function () { |
911 | pkg._shasum = shasum |
912 | cb(null, pkg) |
913 | }) |
914 | pull( |
915 | readBlob, |
916 | hash('sha1', 'hex', function (err, sum) { |
917 | if (err) return cb(err) |
918 | shasum = sum |
919 | }), |
920 | toPull(zlib.createGunzip()), |
921 | toPull(extract) |
922 | ) |
923 | }) |
924 | } |
925 |
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