2 import { UploadFilesForCheck } from 'express'
3 import { sep } from 'path'
4 import validator from 'validator'
5 import { isShortUUID, shortToUUID } from '@shared/extra-utils'
7 function exists (value: any) {
8 return value !== undefined && value !== null
11 function isSafePath (p: string) {
13 (p + '').split(sep).every(part => {
14 return [ '..' ].includes(part) === false
18 function isSafePeerTubeFilenameWithoutExtension (filename: string) {
19 return filename.match(/^[a-z0-9-]+$/)
22 function isArray (value: any): value is any[] {
23 return Array.isArray(value)
26 function isNotEmptyIntArray (value: any) {
27 return Array.isArray(value) && value.every(v => validator.isInt('' + v)) && value.length !== 0
30 function isNotEmptyStringArray (value: any) {
31 return Array.isArray(value) && value.every(v => typeof v === 'string' && v.length !== 0) && value.length !== 0
34 function isArrayOf (value: any, validator: (value: any) => boolean) {
35 return isArray(value) && value.every(v => validator(v))
38 function isDateValid (value: string) {
39 return exists(value) && validator.isISO8601(value)
42 function isIdValid (value: string) {
43 return exists(value) && validator.isInt('' + value)
46 function isUUIDValid (value: string) {
47 return exists(value) && validator.isUUID('' + value, 4)
50 function areUUIDsValid (values: string[]) {
51 return isArray(values) && values.every(v => isUUIDValid(v))
54 function isIdOrUUIDValid (value: string) {
55 return isIdValid(value) || isUUIDValid(value)
58 function isBooleanValid (value: any) {
59 return typeof value === 'boolean' || (typeof value === 'string' && validator.isBoolean(value))
62 function isIntOrNull (value: any) {
63 return value === null || validator.isInt('' + value)
66 // ---------------------------------------------------------------------------
68 function isFileValid (options: {
69 files: UploadFilesForCheck
71 maxSize: number | null
72 mimeTypeRegex: string | null
76 optional?: boolean // Default false
78 const { files, mimeTypeRegex, field, maxSize, optional = false } = options
81 if (!files) return optional
83 const fileArray = isArray(files)
87 if (!fileArray || !isArray(fileArray) || fileArray.length === 0) {
92 const file = fileArray[0]
93 if (!file?.originalname) return false
96 if ((maxSize !== null) && file.size > maxSize) return false
98 if (mimeTypeRegex === null) return true
100 return checkMimetypeRegex(file.mimetype, mimeTypeRegex)
103 function checkMimetypeRegex (fileMimeType: string, mimeTypeRegex: string) {
104 return new RegExp(`^${mimeTypeRegex}$`, 'i').test(fileMimeType)
107 // ---------------------------------------------------------------------------
109 function toCompleteUUID (value: string) {
110 if (isShortUUID(value)) {
112 return shortToUUID(value)
121 function toCompleteUUIDs (values: string[]) {
122 return values.map(v => toCompleteUUID(v))
125 function toIntOrNull (value: string) {
126 const v = toValueOrNull(value)
128 if (v === null || v === undefined) return v
129 if (typeof v === 'number') return v
131 return validator.toInt('' + v)
134 function toBooleanOrNull (value: any) {
135 const v = toValueOrNull(value)
137 if (v === null || v === undefined) return v
138 if (typeof v === 'boolean') return v
140 return validator.toBoolean('' + v)
143 function toValueOrNull (value: string) {
144 if (value === 'null') return null
149 function toIntArray (value: any) {
150 if (!value) return []
151 if (isArray(value) === false) return [ validator.toInt(value) ]
153 return value.map(v => validator.toInt(v))
156 // ---------------------------------------------------------------------------
166 isNotEmptyStringArray,
179 isSafePeerTubeFilenameWithoutExtension,