X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fhelpers%2Fcore-utils.ts;h=c560222d3d39fd3a39ce57c477e78c71adc1cdca;hb=98d3324db3b1c345fc30e5dbcef3b1e11169867e;hp=32b89b6dd583ff8175fc8d4581553341757cbbbd;hpb=1840c2f7c91f5f89602a3683d85b0a9df1454855;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/helpers/core-utils.ts b/server/helpers/core-utils.ts
index 32b89b6dd..c560222d3 100644
--- a/server/helpers/core-utils.ts
+++ b/server/helpers/core-utils.ts
@@ -3,20 +3,185 @@
   Useful to avoid circular dependencies.
 */
 
-import { join } from 'path'
+import * as bcrypt from 'bcrypt'
+import * as createTorrent from 'create-torrent'
+import { pseudoRandomBytes } from 'crypto'
+import { copyFile, readdir, readFile, rename, stat, Stats, unlink, writeFile } from 'fs'
+import * as mkdirp from 'mkdirp'
+import { isAbsolute, join } from 'path'
+import * as pem from 'pem'
+import * as rimraf from 'rimraf'
+import { URL } from 'url'
+import { truncate } from 'lodash'
+
+function sanitizeUrl (url: string) {
+  const urlObject = new URL(url)
+
+  if (urlObject.protocol === 'https:' && urlObject.port === '443') {
+    urlObject.port = ''
+  } else if (urlObject.protocol === 'http:' && urlObject.port === '80') {
+    urlObject.port = ''
+  }
+
+  return urlObject.href.replace(/\/$/, '')
+}
+
+// Don't import remote scheme from constants because we are in core utils
+function sanitizeHost (host: string, remoteScheme: string) {
+  const toRemove = remoteScheme === 'https' ? 443 : 80
+
+  return host.replace(new RegExp(`:${toRemove}$`), '')
+}
 
 function isTestInstance () {
   return process.env.NODE_ENV === 'test'
 }
 
 function root () {
-  // We are in /dist/helpers/utils.js
-  return join(__dirname, '..', '..', '..')
+  // We are in /helpers/utils.js
+  const paths = [ __dirname, '..', '..' ]
+
+  // We are under /dist directory
+  if (process.mainModule.filename.endsWith('.ts') === false) {
+    paths.push('..')
+  }
+
+  return join.apply(null, paths)
+}
+
+// Thanks: https://stackoverflow.com/a/12034334
+function escapeHTML (stringParam) {
+  if (!stringParam) return ''
+
+  const entityMap = {
+    '&': '&',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#39;',
+    '/': '&#x2F;',
+    '`': '&#x60;',
+    '=': '&#x3D;'
+  }
+
+  return String(stringParam).replace(/[&<>"'`=\/]/g, s => entityMap[s])
+}
+
+function pageToStartAndCount (page: number, itemsPerPage: number) {
+  const start = (page - 1) * itemsPerPage
+
+  return { start, count: itemsPerPage }
+}
+
+function buildPath (path: string) {
+  if (isAbsolute(path)) return path
+
+  return join(root(), path)
+}
+
+// Consistent with .length, lodash truncate function is not
+function peertubeTruncate (str: string, maxLength: number) {
+  const options = {
+    length: maxLength
+  }
+  const truncatedStr = truncate(str, options)
+
+  // The truncated string is okay, we can return it
+  if (truncatedStr.length <= maxLength) return truncatedStr
+
+  // Lodash takes into account all UTF characters, whereas String.prototype.length does not: some characters have a length of 2
+  // We always use the .length so we need to truncate more if needed
+  options.length -= truncatedStr.length - maxLength
+  return truncate(str, options)
+}
+
+function promisify0<A> (func: (cb: (err: any, result: A) => void) => void): () => Promise<A> {
+  return function promisified (): Promise<A> {
+    return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => {
+      func.apply(null, [ (err: any, res: A) => err ? reject(err) : resolve(res) ])
+    })
+  }
+}
+
+// Thanks to https://gist.github.com/kumasento/617daa7e46f13ecdd9b2
+function promisify1<T, A> (func: (arg: T, cb: (err: any, result: A) => void) => void): (arg: T) => Promise<A> {
+  return function promisified (arg: T): Promise<A> {
+    return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => {
+      func.apply(null, [ arg, (err: any, res: A) => err ? reject(err) : resolve(res) ])
+    })
+  }
 }
 
+function promisify1WithVoid<T> (func: (arg: T, cb: (err: any) => void) => void): (arg: T) => Promise<void> {
+  return function promisified (arg: T): Promise<void> {
+    return new Promise<void>((resolve: () => void, reject: (err: any) => void) => {
+      func.apply(null, [ arg, (err: any) => err ? reject(err) : resolve() ])
+    })
+  }
+}
+
+function promisify2<T, U, A> (func: (arg1: T, arg2: U, cb: (err: any, result: A) => void) => void): (arg1: T, arg2: U) => Promise<A> {
+  return function promisified (arg1: T, arg2: U): Promise<A> {
+    return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => {
+      func.apply(null, [ arg1, arg2, (err: any, res: A) => err ? reject(err) : resolve(res) ])
+    })
+  }
+}
+
+function promisify2WithVoid<T, U> (func: (arg1: T, arg2: U, cb: (err: any) => void) => void): (arg1: T, arg2: U) => Promise<void> {
+  return function promisified (arg1: T, arg2: U): Promise<void> {
+    return new Promise<void>((resolve: () => void, reject: (err: any) => void) => {
+      func.apply(null, [ arg1, arg2, (err: any) => err ? reject(err) : resolve() ])
+    })
+  }
+}
+
+const copyFilePromise = promisify2WithVoid<string, string>(copyFile)
+const readFileBufferPromise = promisify1<string, Buffer>(readFile)
+const unlinkPromise = promisify1WithVoid<string>(unlink)
+const renamePromise = promisify2WithVoid<string, string>(rename)
+const writeFilePromise = promisify2WithVoid<string, any>(writeFile)
+const readdirPromise = promisify1<string, string[]>(readdir)
+const mkdirpPromise = promisify1<string, string>(mkdirp)
+const pseudoRandomBytesPromise = promisify1<number, Buffer>(pseudoRandomBytes)
+const createPrivateKey = promisify1<number, { key: string }>(pem.createPrivateKey)
+const getPublicKey = promisify1<string, { publicKey: string }>(pem.getPublicKey)
+const bcryptComparePromise = promisify2<any, string, boolean>(bcrypt.compare)
+const bcryptGenSaltPromise = promisify1<number, string>(bcrypt.genSalt)
+const bcryptHashPromise = promisify2<any, string | number, string>(bcrypt.hash)
+const createTorrentPromise = promisify2<string, any, any>(createTorrent)
+const rimrafPromise = promisify1WithVoid<string>(rimraf)
+const statPromise = promisify1<string, Stats>(stat)
+
 // ---------------------------------------------------------------------------
 
 export {
   isTestInstance,
-  root
+  root,
+  escapeHTML,
+  pageToStartAndCount,
+  sanitizeUrl,
+  sanitizeHost,
+  buildPath,
+  peertubeTruncate,
+
+  promisify0,
+  promisify1,
+
+  copyFilePromise,
+  readdirPromise,
+  readFileBufferPromise,
+  unlinkPromise,
+  renamePromise,
+  writeFilePromise,
+  mkdirpPromise,
+  pseudoRandomBytesPromise,
+  createPrivateKey,
+  getPublicKey,
+  bcryptComparePromise,
+  bcryptGenSaltPromise,
+  bcryptHashPromise,
+  createTorrentPromise,
+  rimrafPromise,
+  statPromise
 }