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[github/Chocobozzz/PeerTube.git] / server / helpers / custom-validators / misc.ts

diff --git a/server/helpers/custom-validators/misc.ts b/server/helpers/custom-validators/misc.ts
index f72513c1c643cc193baa4f463d22e718b4145fbc..c80c861932716e395574c3d76736bbd6915c85fd 100644 (file)
--- a/server/helpers/custom-validators/misc.ts
+++ b/server/helpers/custom-validators/misc.ts
@@ -1,6 +1,8 @@
 import 'multer'
-import * as validator from 'validator'
+import { UploadFilesForCheck } from 'express'
 import { sep } from 'path'
+import validator from 'validator'
+import { isShortUUID, shortToUUID } from '@shared/extra-utils'
 
 function exists (value: any) {
   return value !== undefined && value !== null
@@ -9,11 +11,11 @@ function exists (value: any) {
 function isSafePath (p: string) {
   return exists(p) &&
     (p + '').split(sep).every(part => {
-      return [ '', '.', '..' ].includes(part) === false
+      return [ '..' ].includes(part) === false
     })
 }
 
-function isArray (value: any) {
+function isArray (value: any): value is any[] {
   return Array.isArray(value)
 }
 
@@ -21,6 +23,10 @@ function isNotEmptyIntArray (value: any) {
   return Array.isArray(value) && value.every(v => validator.isInt('' + v)) && value.length !== 0
 }
 
+function isNotEmptyStringArray (value: any) {
+  return Array.isArray(value) && value.every(v => typeof v === 'string' && v.length !== 0) && value.length !== 0
+}
+
 function isArrayOf (value: any, validator: (value: any) => boolean) {
   return isArray(value) && value.every(v => validator(v))
 }
@@ -37,6 +43,10 @@ function isUUIDValid (value: string) {
   return exists(value) && validator.isUUID('' + value, 4)
 }
 
+function areUUIDsValid (values: string[]) {
+  return isArray(values) && values.every(v => isUUIDValid(v))
+}
+
 function isIdOrUUIDValid (value: string) {
   return isIdValid(value) || isUUIDValid(value)
 }
@@ -45,10 +55,79 @@ function isBooleanValid (value: any) {
   return typeof value === 'boolean' || (typeof value === 'string' && validator.isBoolean(value))
 }
 
+function isIntOrNull (value: any) {
+  return value === null || validator.isInt('' + value)
+}
+
+// ---------------------------------------------------------------------------
+
+function isFileValid (options: {
+  files: UploadFilesForCheck
+
+  maxSize: number | null
+  mimeTypeRegex: string | null
+
+  field?: string
+
+  optional?: boolean // Default false
+}) {
+  const { files, mimeTypeRegex, field, maxSize, optional = false } = options
+
+  // Should have files
+  if (!files) return optional
+
+  const fileArray = isArray(files)
+    ? files
+    : files[field]
+
+  if (!fileArray || !isArray(fileArray) || fileArray.length === 0) {
+    return optional
+  }
+
+  // The file exists
+  const file = fileArray[0]
+  if (!file || !file.originalname) return false
+
+  // Check size
+  if ((maxSize !== null) && file.size > maxSize) return false
+
+  if (mimeTypeRegex === null) return true
+
+  return checkMimetypeRegex(file.mimetype, mimeTypeRegex)
+}
+
+function checkMimetypeRegex (fileMimeType: string, mimeTypeRegex: string) {
+  return new RegExp(`^${mimeTypeRegex}$`, 'i').test(fileMimeType)
+}
+
+// ---------------------------------------------------------------------------
+
+function toCompleteUUID (value: string) {
+  if (isShortUUID(value)) return shortToUUID(value)
+
+  return value
+}
+
+function toCompleteUUIDs (values: string[]) {
+  return values.map(v => toCompleteUUID(v))
+}
+
 function toIntOrNull (value: string) {
-  if (value === 'null') return null
+  const v = toValueOrNull(value)
+
+  if (v === null || v === undefined) return v
+  if (typeof v === 'number') return v
+
+  return validator.toInt('' + v)
+}
+
+function toBooleanOrNull (value: any) {
+  const v = toValueOrNull(value)
 
-  return validator.toInt(value)
+  if (v === null || v === undefined) return v
+  if (typeof v === 'boolean') return v
+
+  return validator.toBoolean('' + v)
 }
 
 function toValueOrNull (value: string) {
@@ -70,33 +149,6 @@ function toIntArray (value: any) {
   return value.map(v => validator.toInt(v))
 }
 
-function isFileValid (
-  files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[],
-  mimeTypeRegex: string,
-  field: string,
-  maxSize: number | null,
-  optional = false
-) {
-  // Should have files
-  if (!files) return optional
-  if (isArray(files)) return optional
-
-  // Should have a file
-  const fileArray = files[ field ]
-  if (!fileArray || fileArray.length === 0) {
-    return optional
-  }
-
-  // The file should exist
-  const file = fileArray[ 0 ]
-  if (!file || !file.originalname) return false
-
-  // Check size
-  if ((maxSize !== null) && file.size > maxSize) return false
-
-  return new RegExp(`^${mimeTypeRegex}$`, 'i').test(file.mimetype)
-}
-
 // ---------------------------------------------------------------------------
 
 export {
@@ -104,15 +156,22 @@ export {
   isArrayOf,
   isNotEmptyIntArray,
   isArray,
+  isIntOrNull,
   isIdValid,
   isSafePath,
+  isNotEmptyStringArray,
   isUUIDValid,
+  toCompleteUUIDs,
+  toCompleteUUID,
   isIdOrUUIDValid,
   isDateValid,
   toValueOrNull,
+  toBooleanOrNull,
   isBooleanValid,
   toIntOrNull,
+  areUUIDsValid,
   toArray,
   toIntArray,
-  isFileValid
+  isFileValid,
+  checkMimetypeRegex
 }