1 files changed, 18 insertions, 20 deletions

diff --git a/server/helpers/core-utils.ts b/server/helpers/core-utils.ts
index 935fd22d9..b93868c12 100644
--- a/server/helpers/core-utils.ts
+++ b/server/helpers/core-utils.ts
@@ -10,7 +10,9 @@ import { BinaryToTextEncoding, createHash, randomBytes } from 'crypto'
 import { truncate } from 'lodash'
 import { basename, isAbsolute, join, resolve } from 'path'
 import * as pem from 'pem'
+import { pipeline } from 'stream'
 import { URL } from 'url'
+import { promisify } from 'util'
 
 const objectConverter = (oldObject: any, keyConverter: (e: string) => string, valueConverter: (e: any) => any) => {
   if (!oldObject || typeof oldObject !== 'object') {
@@ -152,24 +154,6 @@ function root () {
   return rootPath
 }
 
-// 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
 
@@ -249,11 +233,23 @@ function promisify2<T, U, A> (func: (arg1: T, arg2: U, cb: (err: any, result: A)
   }
 }
 
+type SemVersion = { major: number, minor: number, patch: number }
+function parseSemVersion (s: string) {
+  const parsed = s.match(/^v?(\d+)\.(\d+)\.(\d+)$/i)
+
+  return {
+    major: parseInt(parsed[1]),
+    minor: parseInt(parsed[2]),
+    patch: parseInt(parsed[3])
+  } as SemVersion
+}
+
 const randomBytesPromise = promisify1<number, Buffer>(randomBytes)
 const createPrivateKey = promisify1<number, { key: string }>(pem.createPrivateKey)
 const getPublicKey = promisify1<string, { publicKey: string }>(pem.getPublicKey)
 const execPromise2 = promisify2<string, any, string>(exec)
 const execPromise = promisify1<string, string>(exec)
+const pipelinePromise = promisify(pipeline)
 
 // ---------------------------------------------------------------------------
 
@@ -264,7 +260,6 @@ export {
 
   objectConverter,
   root,
-  escapeHTML,
   pageToStartAndCount,
   sanitizeUrl,
   sanitizeHost,
@@ -284,5 +279,8 @@ export {
   createPrivateKey,
   getPublicKey,
   execPromise2,
-  execPromise
+  execPromise,
+  pipelinePromise,
+
+  parseSemVersion
 }