X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fhelpers%2Fcustom-validators%2Fmisc.ts;h=229e9f03c07a4135e46a7a8e66a6729126847bcf;hb=295106516277581ba4967199fa5580264a90ae2c;hp=8d215a416bc899c6cbf122b7fad5f603f2dbc512;hpb=fdbda9e3d6564ec908733c7019305f6a3c363a9f;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/helpers/custom-validators/misc.ts b/server/helpers/custom-validators/misc.ts
index 8d215a416..229e9f03c 100644
--- a/server/helpers/custom-validators/misc.ts
+++ b/server/helpers/custom-validators/misc.ts
@@ -1,23 +1,183 @@
-import 'express-validator'
+import 'multer'
+import { UploadFilesForCheck } from 'express'
+import { sep } from 'path'
+import validator from 'validator'
 
 function exists (value: any) {
   return value !== undefined && value !== null
 }
 
-function isArray (value: any) {
+function isSafePath (p: string) {
+  return exists(p) &&
+    (p + '').split(sep).every(part => {
+      return [ '..' ].includes(part) === false
+    })
+}
+
+function isArray (value: any): value is any[] {
   return Array.isArray(value)
 }
 
-// ---------------------------------------------------------------------------
+function isNotEmptyIntArray (value: any) {
+  return Array.isArray(value) && value.every(v => validator.isInt('' + v)) && value.length !== 0
+}
 
-export {
-  exists,
-  isArray
+function isArrayOf (value: any, validator: (value: any) => boolean) {
+  return isArray(value) && value.every(v => validator(v))
+}
+
+function isDateValid (value: string) {
+  return exists(value) && validator.isISO8601(value)
+}
+
+function isIdValid (value: string) {
+  return exists(value) && validator.isInt('' + value)
+}
+
+function isUUIDValid (value: string) {
+  return exists(value) && validator.isUUID('' + value, 4)
+}
+
+function isIdOrUUIDValid (value: string) {
+  return isIdValid(value) || isUUIDValid(value)
+}
+
+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 toIntOrNull (value: string) {
+  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)
+
+  if (v === null || v === undefined) return v
+  if (typeof v === 'boolean') return v
+
+  return validator.toBoolean('' + v)
+}
+
+function toValueOrNull (value: string) {
+  if (value === 'null') return null
+
+  return value
+}
+
+function toArray (value: any) {
+  if (value && isArray(value) === false) return [ value ]
+
+  return value
+}
+
+function toIntArray (value: any) {
+  if (!value) return []
+  if (isArray(value) === false) return [ validator.toInt(value) ]
+
+  return value.map(v => validator.toInt(v))
+}
+
+function isFileFieldValid (
+  files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[],
+  field: string,
+  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
+  return file
+}
+
+function isFileMimeTypeValid (
+  files: UploadFilesForCheck,
+  mimeTypeRegex: string,
+  field: string,
+  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
+
+  return new RegExp(`^${mimeTypeRegex}$`, 'i').test(file.mimetype)
 }
 
-declare module 'express-validator' {
-  export interface Validator {
-    exists,
-    isArray
+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 {
+  exists,
+  isArrayOf,
+  isNotEmptyIntArray,
+  isArray,
+  isIntOrNull,
+  isIdValid,
+  isSafePath,
+  isUUIDValid,
+  isIdOrUUIDValid,
+  isDateValid,
+  toValueOrNull,
+  toBooleanOrNull,
+  isBooleanValid,
+  toIntOrNull,
+  toArray,
+  toIntArray,
+  isFileFieldValid,
+  isFileMimeTypeValid,
+  isFileValid
 }