2018-02-13 11:17:05 -06:00
|
|
|
import 'multer'
|
2021-05-10 04:13:41 -05:00
|
|
|
import { UploadFilesForCheck } from 'express'
|
2019-07-05 06:54:32 -05:00
|
|
|
import { sep } from 'path'
|
2021-05-10 04:13:41 -05:00
|
|
|
import validator from 'validator'
|
2017-09-07 08:27:35 -05:00
|
|
|
|
2017-06-10 15:15:25 -05:00
|
|
|
function exists (value: any) {
|
2016-07-31 13:58:43 -05:00
|
|
|
return value !== undefined && value !== null
|
|
|
|
}
|
|
|
|
|
2019-07-05 06:54:32 -05:00
|
|
|
function isSafePath (p: string) {
|
|
|
|
return exists(p) &&
|
|
|
|
(p + '').split(sep).every(part => {
|
2019-07-05 08:28:49 -05:00
|
|
|
return [ '..' ].includes(part) === false
|
2019-07-05 06:54:32 -05:00
|
|
|
})
|
|
|
|
}
|
|
|
|
|
2017-06-10 15:15:25 -05:00
|
|
|
function isArray (value: any) {
|
2016-07-31 13:58:43 -05:00
|
|
|
return Array.isArray(value)
|
|
|
|
}
|
|
|
|
|
2019-01-08 04:26:41 -06:00
|
|
|
function isNotEmptyIntArray (value: any) {
|
|
|
|
return Array.isArray(value) && value.every(v => validator.isInt('' + v)) && value.length !== 0
|
2018-12-26 03:36:24 -06:00
|
|
|
}
|
|
|
|
|
2019-01-29 01:37:25 -06:00
|
|
|
function isArrayOf (value: any, validator: (value: any) => boolean) {
|
|
|
|
return isArray(value) && value.every(v => validator(v))
|
|
|
|
}
|
|
|
|
|
2017-10-24 12:41:09 -05:00
|
|
|
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)
|
|
|
|
}
|
|
|
|
|
2018-05-09 04:23:14 -05:00
|
|
|
function isBooleanValid (value: any) {
|
2018-01-03 03:12:36 -06:00
|
|
|
return typeof value === 'boolean' || (typeof value === 'string' && validator.isBoolean(value))
|
|
|
|
}
|
|
|
|
|
2020-09-25 09:19:35 -05:00
|
|
|
function isIntOrNull (value: any) {
|
|
|
|
return value === null || validator.isInt('' + value)
|
|
|
|
}
|
|
|
|
|
2018-05-09 04:23:14 -05:00
|
|
|
function toIntOrNull (value: string) {
|
2019-07-25 09:23:44 -05:00
|
|
|
const v = toValueOrNull(value)
|
|
|
|
|
|
|
|
if (v === null || v === undefined) return v
|
|
|
|
if (typeof v === 'number') return v
|
|
|
|
|
2019-07-25 10:28:45 -05:00
|
|
|
return validator.toInt('' + v)
|
2019-07-25 09:23:44 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
function toBooleanOrNull (value: any) {
|
|
|
|
const v = toValueOrNull(value)
|
|
|
|
|
|
|
|
if (v === null || v === undefined) return v
|
|
|
|
if (typeof v === 'boolean') return v
|
2018-05-09 04:23:14 -05:00
|
|
|
|
2019-07-25 10:28:45 -05:00
|
|
|
return validator.toBoolean('' + v)
|
2018-05-09 04:23:14 -05:00
|
|
|
}
|
|
|
|
|
2018-05-16 02:28:18 -05:00
|
|
|
function toValueOrNull (value: string) {
|
2018-05-09 04:23:14 -05:00
|
|
|
if (value === 'null') return null
|
|
|
|
|
|
|
|
return value
|
|
|
|
}
|
|
|
|
|
2019-03-07 10:06:00 -06:00
|
|
|
function toArray (value: any) {
|
2018-07-20 07:35:18 -05:00
|
|
|
if (value && isArray(value) === false) return [ value ]
|
|
|
|
|
|
|
|
return value
|
|
|
|
}
|
|
|
|
|
2019-03-07 10:06:00 -06:00
|
|
|
function toIntArray (value: any) {
|
|
|
|
if (!value) return []
|
|
|
|
if (isArray(value) === false) return [ validator.toInt(value) ]
|
|
|
|
|
|
|
|
return value.map(v => validator.toInt(v))
|
|
|
|
}
|
|
|
|
|
2020-12-08 14:16:10 -06:00
|
|
|
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 (
|
2021-05-10 04:13:41 -05:00
|
|
|
files: UploadFilesForCheck,
|
2020-12-08 14:16:10 -06:00
|
|
|
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)
|
|
|
|
}
|
|
|
|
|
2018-02-13 11:17:05 -06:00
|
|
|
function isFileValid (
|
|
|
|
files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[],
|
|
|
|
mimeTypeRegex: string,
|
|
|
|
field: string,
|
2018-07-25 15:01:25 -05:00
|
|
|
maxSize: number | null,
|
2018-02-13 11:17:05 -06:00
|
|
|
optional = false
|
|
|
|
) {
|
|
|
|
// Should have files
|
|
|
|
if (!files) return optional
|
|
|
|
if (isArray(files)) return optional
|
|
|
|
|
|
|
|
// Should have a file
|
2020-01-31 09:56:52 -06:00
|
|
|
const fileArray = files[field]
|
2018-02-13 11:17:05 -06:00
|
|
|
if (!fileArray || fileArray.length === 0) {
|
|
|
|
return optional
|
|
|
|
}
|
|
|
|
|
|
|
|
// The file should exist
|
2020-01-31 09:56:52 -06:00
|
|
|
const file = fileArray[0]
|
2018-02-13 11:17:05 -06:00
|
|
|
if (!file || !file.originalname) return false
|
|
|
|
|
2018-06-22 08:42:55 -05:00
|
|
|
// Check size
|
2018-07-25 15:01:25 -05:00
|
|
|
if ((maxSize !== null) && file.size > maxSize) return false
|
2018-06-22 08:42:55 -05:00
|
|
|
|
2018-02-13 11:17:05 -06:00
|
|
|
return new RegExp(`^${mimeTypeRegex}$`, 'i').test(file.mimetype)
|
|
|
|
}
|
|
|
|
|
2016-07-31 13:58:43 -05:00
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
|
2017-05-15 15:22:03 -05:00
|
|
|
export {
|
|
|
|
exists,
|
2019-01-29 01:37:25 -06:00
|
|
|
isArrayOf,
|
2019-01-08 04:26:41 -06:00
|
|
|
isNotEmptyIntArray,
|
2017-10-24 12:41:09 -05:00
|
|
|
isArray,
|
2020-09-25 09:19:35 -05:00
|
|
|
isIntOrNull,
|
2017-10-24 12:41:09 -05:00
|
|
|
isIdValid,
|
2019-07-05 06:54:32 -05:00
|
|
|
isSafePath,
|
2017-10-24 12:41:09 -05:00
|
|
|
isUUIDValid,
|
|
|
|
isIdOrUUIDValid,
|
2018-01-03 03:12:36 -06:00
|
|
|
isDateValid,
|
2018-05-16 02:28:18 -05:00
|
|
|
toValueOrNull,
|
2019-07-25 09:23:44 -05:00
|
|
|
toBooleanOrNull,
|
2018-02-13 11:17:05 -06:00
|
|
|
isBooleanValid,
|
2018-05-09 04:23:14 -05:00
|
|
|
toIntOrNull,
|
2018-07-20 07:35:18 -05:00
|
|
|
toArray,
|
2019-03-07 10:06:00 -06:00
|
|
|
toIntArray,
|
2020-12-08 14:16:10 -06:00
|
|
|
isFileFieldValid,
|
|
|
|
isFileMimeTypeValid,
|
2018-02-13 11:17:05 -06:00
|
|
|
isFileValid
|
2017-05-15 15:22:03 -05:00
|
|
|
}
|