mirror of https://github.com/Chocobozzz/PeerTube
137 lines
3.0 KiB
TypeScript
137 lines
3.0 KiB
TypeScript
import 'multer'
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import validator from 'validator'
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import { sep } from 'path'
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function exists (value: any) {
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return value !== undefined && value !== null
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}
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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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})
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}
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function isArray (value: any) {
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return Array.isArray(value)
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}
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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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}
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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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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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function isIdOrUUIDValid (value: string) {
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return isIdValid(value) || isUUIDValid(value)
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}
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function isBooleanValid (value: any) {
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return typeof value === 'boolean' || (typeof value === 'string' && validator.isBoolean(value))
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}
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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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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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function isFileValid (
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files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[],
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mimeTypeRegex: string,
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field: string,
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maxSize: number | null,
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optional = false
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) {
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// Should have files
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if (!files) return optional
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if (isArray(files)) return optional
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// Should have a file
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const fileArray = files[field]
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if (!fileArray || fileArray.length === 0) {
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return optional
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}
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// The file should exist
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const file = fileArray[0]
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if (!file || !file.originalname) return false
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// Check size
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if ((maxSize !== null) && file.size > maxSize) return false
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return new RegExp(`^${mimeTypeRegex}$`, 'i').test(file.mimetype)
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}
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// ---------------------------------------------------------------------------
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export {
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exists,
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isArrayOf,
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isNotEmptyIntArray,
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isArray,
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isIntOrNull,
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isIdValid,
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isSafePath,
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isUUIDValid,
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isIdOrUUIDValid,
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isDateValid,
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toValueOrNull,
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toBooleanOrNull,
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isBooleanValid,
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toIntOrNull,
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toArray,
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toIntArray,
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isFileValid
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}
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