2018-02-13 12:17:05 -05:00
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import 'multer'
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2021-05-10 05:13:41 -04:00
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import { UploadFilesForCheck } from 'express'
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2019-07-05 07:54:32 -04:00
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import { sep } from 'path'
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2021-05-10 05:13:41 -04:00
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import validator from 'validator'
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2021-12-29 08:44:58 -05:00
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import { isShortUUID, shortToUUID } from '@shared/extra-utils'
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2017-09-07 09:27:35 -04:00
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2017-06-10 16:15:25 -04:00
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function exists (value: any) {
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2016-07-31 14:58:43 -04:00
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return value !== undefined && value !== null
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}
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2019-07-05 07:54:32 -04:00
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function isSafePath (p: string) {
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return exists(p) &&
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(p + '').split(sep).every(part => {
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return [ '..' ].includes(part) === false
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2019-07-05 07:54:32 -04:00
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})
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}
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2021-05-12 08:51:17 -04:00
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function isArray (value: any): value is any[] {
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2016-07-31 14:58:43 -04:00
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return Array.isArray(value)
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}
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2019-01-08 05:26:41 -05:00
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function isNotEmptyIntArray (value: any) {
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return Array.isArray(value) && value.every(v => validator.isInt('' + v)) && value.length !== 0
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2018-12-26 04:36:24 -05:00
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}
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2021-07-29 04:27:24 -04:00
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function isNotEmptyStringArray (value: any) {
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return Array.isArray(value) && value.every(v => typeof v === 'string' && v.length !== 0) && value.length !== 0
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}
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2019-01-29 02:37:25 -05:00
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function isArrayOf (value: any, validator: (value: any) => boolean) {
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return isArray(value) && value.every(v => validator(v))
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}
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2017-10-24 13:41:09 -04:00
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function isDateValid (value: string) {
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return exists(value) && validator.isISO8601(value)
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}
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function isIdValid (value: string) {
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return exists(value) && validator.isInt('' + value)
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}
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function isUUIDValid (value: string) {
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return exists(value) && validator.isUUID('' + value, 4)
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}
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2021-07-28 10:40:21 -04:00
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function areUUIDsValid (values: string[]) {
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return isArray(values) && values.every(v => isUUIDValid(v))
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}
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2017-10-24 13:41:09 -04:00
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function isIdOrUUIDValid (value: string) {
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return isIdValid(value) || isUUIDValid(value)
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}
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2018-05-09 05:23:14 -04:00
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function isBooleanValid (value: any) {
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2018-01-03 04:12:36 -05:00
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return typeof value === 'boolean' || (typeof value === 'string' && validator.isBoolean(value))
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}
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2020-09-25 10:19:35 -04:00
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function isIntOrNull (value: any) {
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return value === null || validator.isInt('' + value)
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}
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2021-06-28 11:30:59 -04:00
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// ---------------------------------------------------------------------------
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2019-03-07 11:06:00 -05:00
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2022-02-11 04:51:33 -05:00
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function isFileValid (options: {
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files: UploadFilesForCheck
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2020-12-08 15:16:10 -05:00
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2022-02-11 04:51:33 -05:00
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maxSize: number | null
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mimeTypeRegex: string | null
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2022-02-11 04:51:33 -05:00
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field?: string
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2022-02-11 04:51:33 -05:00
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optional?: boolean // Default false
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}) {
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const { files, mimeTypeRegex, field, maxSize, optional = false } = options
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2018-02-13 12:17:05 -05:00
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// Should have files
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if (!files) return optional
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const fileArray = isArray(files)
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? files
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: files[field]
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if (!fileArray || !isArray(fileArray) || fileArray.length === 0) {
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return optional
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}
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2022-02-11 04:51:33 -05:00
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// The file exists
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const file = fileArray[0]
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if (!file || !file.originalname) return false
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2018-06-22 09:42:55 -04:00
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// Check size
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2018-07-25 16:01:25 -04:00
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if ((maxSize !== null) && file.size > maxSize) return false
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2022-02-11 04:51:33 -05:00
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if (mimeTypeRegex === null) return true
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return checkMimetypeRegex(file.mimetype, mimeTypeRegex)
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}
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function checkMimetypeRegex (fileMimeType: string, mimeTypeRegex: string) {
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return new RegExp(`^${mimeTypeRegex}$`, 'i').test(fileMimeType)
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2018-02-13 12:17:05 -05:00
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}
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2016-07-31 14:58:43 -04:00
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// ---------------------------------------------------------------------------
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2021-06-28 11:30:59 -04:00
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function toCompleteUUID (value: string) {
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if (isShortUUID(value)) return shortToUUID(value)
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return value
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}
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2021-07-28 10:40:21 -04:00
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function toCompleteUUIDs (values: string[]) {
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return values.map(v => toCompleteUUID(v))
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}
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2021-06-28 11:30:59 -04:00
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function toIntOrNull (value: string) {
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const v = toValueOrNull(value)
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if (v === null || v === undefined) return v
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if (typeof v === 'number') return v
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return validator.toInt('' + v)
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}
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function toBooleanOrNull (value: any) {
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const v = toValueOrNull(value)
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if (v === null || v === undefined) return v
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if (typeof v === 'boolean') return v
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return validator.toBoolean('' + v)
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}
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function toValueOrNull (value: string) {
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if (value === 'null') return null
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return value
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}
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function toArray (value: any) {
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if (value && isArray(value) === false) return [ value ]
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return value
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}
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function toIntArray (value: any) {
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if (!value) return []
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if (isArray(value) === false) return [ validator.toInt(value) ]
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return value.map(v => validator.toInt(v))
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}
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// ---------------------------------------------------------------------------
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2017-05-15 16:22:03 -04:00
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export {
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exists,
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2019-01-29 02:37:25 -05:00
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isArrayOf,
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2019-01-08 05:26:41 -05:00
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isNotEmptyIntArray,
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2017-10-24 13:41:09 -04:00
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isArray,
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2020-09-25 10:19:35 -04:00
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isIntOrNull,
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2017-10-24 13:41:09 -04:00
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isIdValid,
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2019-07-05 07:54:32 -04:00
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isSafePath,
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2021-07-29 04:27:24 -04:00
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isNotEmptyStringArray,
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2017-10-24 13:41:09 -04:00
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isUUIDValid,
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2021-07-28 10:40:21 -04:00
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toCompleteUUIDs,
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2021-06-28 11:30:59 -04:00
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toCompleteUUID,
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2017-10-24 13:41:09 -04:00
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isIdOrUUIDValid,
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2018-01-03 04:12:36 -05:00
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isDateValid,
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2018-05-16 03:28:18 -04:00
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toValueOrNull,
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2019-07-25 10:23:44 -04:00
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toBooleanOrNull,
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2018-02-13 12:17:05 -05:00
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isBooleanValid,
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2018-05-09 05:23:14 -04:00
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toIntOrNull,
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2021-07-28 10:40:21 -04:00
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areUUIDsValid,
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2018-07-20 08:35:18 -04:00
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toArray,
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2019-03-07 11:06:00 -05:00
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toIntArray,
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2022-02-11 04:51:33 -05:00
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isFileValid,
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checkMimetypeRegex
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2017-05-15 16:22:03 -04:00
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}
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