diff options
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/cacache/lib/content')
4 files changed, 0 insertions, 481 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/path.js b/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/path.js deleted file mode 100644 index ad5a76a4..00000000 --- a/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/path.js +++ /dev/null @@ -1,29 +0,0 @@ -'use strict' - -const contentVer = require('../../package.json')['cache-version'].content -const hashToSegments = require('../util/hash-to-segments') -const path = require('path') -const ssri = require('ssri') - -// Current format of content file path: -// -// sha512-BaSE64Hex= -> -// ~/.my-cache/content-v2/sha512/ba/da/55deadbeefc0ffee -// -module.exports = contentPath - -function contentPath (cache, integrity) { - const sri = ssri.parse(integrity, { single: true }) - // contentPath is the *strongest* algo given - return path.join( - contentDir(cache), - sri.algorithm, - ...hashToSegments(sri.hexDigest()) - ) -} - -module.exports.contentDir = contentDir - -function contentDir (cache) { - return path.join(cache, `content-v${contentVer}`) -} diff --git a/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/read.js b/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/read.js deleted file mode 100644 index 034e8eee..00000000 --- a/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/read.js +++ /dev/null @@ -1,244 +0,0 @@ -'use strict' - -const util = require('util') - -const fs = require('fs') -const fsm = require('fs-minipass') -const ssri = require('ssri') -const contentPath = require('./path') -const Pipeline = require('minipass-pipeline') - -const lstat = util.promisify(fs.lstat) -const readFile = util.promisify(fs.readFile) - -module.exports = read - -const MAX_SINGLE_READ_SIZE = 64 * 1024 * 1024 -function read (cache, integrity, opts = {}) { - const { size } = opts - return withContentSri(cache, integrity, (cpath, sri) => { - // get size - return lstat(cpath).then(stat => ({ stat, cpath, sri })) - }).then(({ stat, cpath, sri }) => { - if (typeof size === 'number' && stat.size !== size) - throw sizeError(size, stat.size) - - if (stat.size > MAX_SINGLE_READ_SIZE) - return readPipeline(cpath, stat.size, sri, new Pipeline()).concat() - - return readFile(cpath, null).then((data) => { - if (!ssri.checkData(data, sri)) - throw integrityError(sri, cpath) - - return data - }) - }) -} - -const readPipeline = (cpath, size, sri, stream) => { - stream.push( - new fsm.ReadStream(cpath, { - size, - readSize: MAX_SINGLE_READ_SIZE, - }), - ssri.integrityStream({ - integrity: sri, - size, - }) - ) - return stream -} - -module.exports.sync = readSync - -function readSync (cache, integrity, opts = {}) { - const { size } = opts - return withContentSriSync(cache, integrity, (cpath, sri) => { - const data = fs.readFileSync(cpath) - if (typeof size === 'number' && size !== data.length) - throw sizeError(size, data.length) - - if (ssri.checkData(data, sri)) - return data - - throw integrityError(sri, cpath) - }) -} - -module.exports.stream = readStream -module.exports.readStream = readStream - -function readStream (cache, integrity, opts = {}) { - const { size } = opts - const stream = new Pipeline() - withContentSri(cache, integrity, (cpath, sri) => { - // just lstat to ensure it exists - return lstat(cpath).then((stat) => ({ stat, cpath, sri })) - }).then(({ stat, cpath, sri }) => { - if (typeof size === 'number' && size !== stat.size) - return stream.emit('error', sizeError(size, stat.size)) - - readPipeline(cpath, stat.size, sri, stream) - }, er => stream.emit('error', er)) - - return stream -} - -let copyFile -if (fs.copyFile) { - module.exports.copy = copy - module.exports.copy.sync = copySync - copyFile = util.promisify(fs.copyFile) -} - -function copy (cache, integrity, dest) { - return withContentSri(cache, integrity, (cpath, sri) => { - return copyFile(cpath, dest) - }) -} - -function copySync (cache, integrity, dest) { - return withContentSriSync(cache, integrity, (cpath, sri) => { - return fs.copyFileSync(cpath, dest) - }) -} - -module.exports.hasContent = hasContent - -function hasContent (cache, integrity) { - if (!integrity) - return Promise.resolve(false) - - return withContentSri(cache, integrity, (cpath, sri) => { - return lstat(cpath).then((stat) => ({ size: stat.size, sri, stat })) - }).catch((err) => { - if (err.code === 'ENOENT') - return false - - if (err.code === 'EPERM') { - /* istanbul ignore else */ - if (process.platform !== 'win32') - throw err - else - return false - } - }) -} - -module.exports.hasContent.sync = hasContentSync - -function hasContentSync (cache, integrity) { - if (!integrity) - return false - - return withContentSriSync(cache, integrity, (cpath, sri) => { - try { - const stat = fs.lstatSync(cpath) - return { size: stat.size, sri, stat } - } catch (err) { - if (err.code === 'ENOENT') - return false - - if (err.code === 'EPERM') { - /* istanbul ignore else */ - if (process.platform !== 'win32') - throw err - else - return false - } - } - }) -} - -function withContentSri (cache, integrity, fn) { - const tryFn = () => { - const sri = ssri.parse(integrity) - // If `integrity` has multiple entries, pick the first digest - // with available local data. - const algo = sri.pickAlgorithm() - const digests = sri[algo] - - if (digests.length <= 1) { - const cpath = contentPath(cache, digests[0]) - return fn(cpath, digests[0]) - } else { - // Can't use race here because a generic error can happen before - // a ENOENT error, and can happen before a valid result - return Promise - .all(digests.map((meta) => { - return withContentSri(cache, meta, fn) - .catch((err) => { - if (err.code === 'ENOENT') { - return Object.assign( - new Error('No matching content found for ' + sri.toString()), - { code: 'ENOENT' } - ) - } - return err - }) - })) - .then((results) => { - // Return the first non error if it is found - const result = results.find((r) => !(r instanceof Error)) - if (result) - return result - - // Throw the No matching content found error - const enoentError = results.find((r) => r.code === 'ENOENT') - if (enoentError) - throw enoentError - - // Throw generic error - throw results.find((r) => r instanceof Error) - }) - } - } - - return new Promise((resolve, reject) => { - try { - tryFn() - .then(resolve) - .catch(reject) - } catch (err) { - reject(err) - } - }) -} - -function withContentSriSync (cache, integrity, fn) { - const sri = ssri.parse(integrity) - // If `integrity` has multiple entries, pick the first digest - // with available local data. - const algo = sri.pickAlgorithm() - const digests = sri[algo] - if (digests.length <= 1) { - const cpath = contentPath(cache, digests[0]) - return fn(cpath, digests[0]) - } else { - let lastErr = null - for (const meta of digests) { - try { - return withContentSriSync(cache, meta, fn) - } catch (err) { - lastErr = err - } - } - throw lastErr - } -} - -function sizeError (expected, found) { - const err = new Error(`Bad data size: expected inserted data to be ${expected} bytes, but got ${found} instead`) - err.expected = expected - err.found = found - err.code = 'EBADSIZE' - return err -} - -function integrityError (sri, path) { - const err = new Error(`Integrity verification failed for ${sri} (${path})`) - err.code = 'EINTEGRITY' - err.sri = sri - err.path = path - return err -} diff --git a/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/rm.js b/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/rm.js deleted file mode 100644 index 6a3d1a3d..00000000 --- a/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/rm.js +++ /dev/null @@ -1,19 +0,0 @@ -'use strict' - -const util = require('util') - -const contentPath = require('./path') -const { hasContent } = require('./read') -const rimraf = util.promisify(require('rimraf')) - -module.exports = rm - -function rm (cache, integrity) { - return hasContent(cache, integrity).then((content) => { - // ~pretty~ sure we can't end up with a content lacking sri, but be safe - if (content && content.sri) - return rimraf(contentPath(cache, content.sri)).then(() => true) - else - return false - }) -} diff --git a/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/write.js b/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/write.js deleted file mode 100644 index dde1bd1d..00000000 --- a/sandbox/testAppNevena/Front/node_modules/cacache/lib/content/write.js +++ /dev/null @@ -1,189 +0,0 @@ -'use strict' - -const util = require('util') - -const contentPath = require('./path') -const fixOwner = require('../util/fix-owner') -const fs = require('fs') -const moveFile = require('../util/move-file') -const Minipass = require('minipass') -const Pipeline = require('minipass-pipeline') -const Flush = require('minipass-flush') -const path = require('path') -const rimraf = util.promisify(require('rimraf')) -const ssri = require('ssri') -const uniqueFilename = require('unique-filename') -const { disposer } = require('./../util/disposer') -const fsm = require('fs-minipass') - -const writeFile = util.promisify(fs.writeFile) - -module.exports = write - -function write (cache, data, opts = {}) { - const { algorithms, size, integrity } = opts - if (algorithms && algorithms.length > 1) - throw new Error('opts.algorithms only supports a single algorithm for now') - - if (typeof size === 'number' && data.length !== size) - return Promise.reject(sizeError(size, data.length)) - - const sri = ssri.fromData(data, algorithms ? { algorithms } : {}) - if (integrity && !ssri.checkData(data, integrity, opts)) - return Promise.reject(checksumError(integrity, sri)) - - return disposer(makeTmp(cache, opts), makeTmpDisposer, - (tmp) => { - return writeFile(tmp.target, data, { flag: 'wx' }) - .then(() => moveToDestination(tmp, cache, sri, opts)) - }) - .then(() => ({ integrity: sri, size: data.length })) -} - -module.exports.stream = writeStream - -// writes proxied to the 'inputStream' that is passed to the Promise -// 'end' is deferred until content is handled. -class CacacheWriteStream extends Flush { - constructor (cache, opts) { - super() - this.opts = opts - this.cache = cache - this.inputStream = new Minipass() - this.inputStream.on('error', er => this.emit('error', er)) - this.inputStream.on('drain', () => this.emit('drain')) - this.handleContentP = null - } - - write (chunk, encoding, cb) { - if (!this.handleContentP) { - this.handleContentP = handleContent( - this.inputStream, - this.cache, - this.opts - ) - } - return this.inputStream.write(chunk, encoding, cb) - } - - flush (cb) { - this.inputStream.end(() => { - if (!this.handleContentP) { - const e = new Error('Cache input stream was empty') - e.code = 'ENODATA' - // empty streams are probably emitting end right away. - // defer this one tick by rejecting a promise on it. - return Promise.reject(e).catch(cb) - } - this.handleContentP.then( - (res) => { - res.integrity && this.emit('integrity', res.integrity) - res.size !== null && this.emit('size', res.size) - cb() - }, - (er) => cb(er) - ) - }) - } -} - -function writeStream (cache, opts = {}) { - return new CacacheWriteStream(cache, opts) -} - -function handleContent (inputStream, cache, opts) { - return disposer(makeTmp(cache, opts), makeTmpDisposer, (tmp) => { - return pipeToTmp(inputStream, cache, tmp.target, opts) - .then((res) => { - return moveToDestination( - tmp, - cache, - res.integrity, - opts - ).then(() => res) - }) - }) -} - -function pipeToTmp (inputStream, cache, tmpTarget, opts) { - let integrity - let size - const hashStream = ssri.integrityStream({ - integrity: opts.integrity, - algorithms: opts.algorithms, - size: opts.size, - }) - hashStream.on('integrity', i => { - integrity = i - }) - hashStream.on('size', s => { - size = s - }) - - const outStream = new fsm.WriteStream(tmpTarget, { - flags: 'wx', - }) - - // NB: this can throw if the hashStream has a problem with - // it, and the data is fully written. but pipeToTmp is only - // called in promisory contexts where that is handled. - const pipeline = new Pipeline( - inputStream, - hashStream, - outStream - ) - - return pipeline.promise() - .then(() => ({ integrity, size })) - .catch(er => rimraf(tmpTarget).then(() => { - throw er - })) -} - -function makeTmp (cache, opts) { - const tmpTarget = uniqueFilename(path.join(cache, 'tmp'), opts.tmpPrefix) - return fixOwner.mkdirfix(cache, path.dirname(tmpTarget)).then(() => ({ - target: tmpTarget, - moved: false, - })) -} - -function makeTmpDisposer (tmp) { - if (tmp.moved) - return Promise.resolve() - - return rimraf(tmp.target) -} - -function moveToDestination (tmp, cache, sri, opts) { - const destination = contentPath(cache, sri) - const destDir = path.dirname(destination) - - return fixOwner - .mkdirfix(cache, destDir) - .then(() => { - return moveFile(tmp.target, destination) - }) - .then(() => { - tmp.moved = true - return fixOwner.chownr(cache, destination) - }) -} - -function sizeError (expected, found) { - const err = new Error(`Bad data size: expected inserted data to be ${expected} bytes, but got ${found} instead`) - err.expected = expected - err.found = found - err.code = 'EBADSIZE' - return err -} - -function checksumError (expected, found) { - const err = new Error(`Integrity check failed: - Wanted: ${expected} - Found: ${found}`) - err.code = 'EINTEGRITY' - err.expected = expected - err.found = found - return err -} |