update

package/node_modules/pacote/lib/remote.js

@@ -0,0 +1,89 @@
+const fetch = require('npm-registry-fetch')
+const { Minipass } = require('minipass')
+const Fetcher = require('./fetcher.js')
+const FileFetcher = require('./file.js')
+const _ = require('./util/protected.js')
+const pacoteVersion = require('../package.json').version
+
+class RemoteFetcher extends Fetcher {
+  constructor (spec, opts) {
+    super(spec, opts)
+    this.resolved = this.spec.fetchSpec
+    const resolvedURL = new URL(this.resolved)
+    if (this.replaceRegistryHost !== 'never'
+      && (this.replaceRegistryHost === 'always'
+      || this.replaceRegistryHost === resolvedURL.host)) {
+      this.resolved = new URL(resolvedURL.pathname, this.registry).href
+    }
+
+    // nam is a fermented pork sausage that is good to eat
+    const nameat = this.spec.name ? `${this.spec.name}@` : ''
+    this.pkgid = opts.pkgid ? opts.pkgid : `remote:${nameat}${this.resolved}`
+  }
+
+  // Don't need to cache tarball fetches in pacote, because make-fetch-happen
+  // will write into cacache anyway.
+  get [_.cacheFetches] () {
+    return false
+  }
+
+  [_.tarballFromResolved] () {
+    const stream = new Minipass()
+    stream.hasIntegrityEmitter = true
+
+    const fetchOpts = {
+      ...this.opts,
+      headers: this.#headers(),
+      spec: this.spec,
+      integrity: this.integrity,
+      algorithms: [this.pickIntegrityAlgorithm()],
+    }
+
+    // eslint-disable-next-line promise/always-return
+    fetch(this.resolved, fetchOpts).then(res => {
+      res.body.on('error',
+        /* istanbul ignore next - exceedingly rare and hard to simulate */
+        er => stream.emit('error', er)
+      )
+
+      res.body.on('integrity', i => {
+        this.integrity = i
+        stream.emit('integrity', i)
+      })
+
+      res.body.pipe(stream)
+    }).catch(er => stream.emit('error', er))
+
+    return stream
+  }
+
+  #headers () {
+    return {
+      // npm will override this, but ensure that we always send *something*
+      'user-agent': this.opts.userAgent ||
+        `pacote/${pacoteVersion} node/${process.version}`,
+      ...(this.opts.headers || {}),
+      'pacote-version': pacoteVersion,
+      'pacote-req-type': 'tarball',
+      'pacote-pkg-id': this.pkgid,
+      ...(this.integrity ? { 'pacote-integrity': String(this.integrity) }
+      : {}),
+      ...(this.opts.headers || {}),
+    }
+  }
+
+  get types () {
+    return ['remote']
+  }
+
+  // getting a packument and/or manifest is the same as with a file: spec.
+  // unpack the tarball stream, and then read from the package.json file.
+  packument () {
+    return FileFetcher.prototype.packument.apply(this)
+  }
+
+  manifest () {
+    return FileFetcher.prototype.manifest.apply(this)
+  }
+}
+module.exports = RemoteFetcher