156 lines
4 KiB
TypeScript
156 lines
4 KiB
TypeScript
import express, { RequestHandler } from 'express'
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import multer, { diskStorage } from 'multer'
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import { getLowercaseExtension } from '@shared/core-utils'
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import { CONFIG } from '../initializers/config'
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import { REMOTE_SCHEME } from '../initializers/constants'
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import { isArray } from './custom-validators/misc'
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import { logger } from './logger'
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import { deleteFileAndCatch, generateRandomString } from './utils'
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import { getExtFromMimetype } from './video'
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function buildNSFWFilter (res?: express.Response, paramNSFW?: string) {
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if (paramNSFW === 'true') return true
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if (paramNSFW === 'false') return false
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if (paramNSFW === 'both') return undefined
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if (res?.locals.oauth) {
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const user = res.locals.oauth.token.User
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// User does not want NSFW videos
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if (user.nsfwPolicy === 'do_not_list') return false
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// Both
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return undefined
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}
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if (CONFIG.INSTANCE.DEFAULT_NSFW_POLICY === 'do_not_list') return false
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// Display all
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return null
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}
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function cleanUpReqFiles (req: express.Request) {
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const filesObject = req.files
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if (!filesObject) return
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if (isArray(filesObject)) {
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filesObject.forEach(f => deleteFileAndCatch(f.path))
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return
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}
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for (const key of Object.keys(filesObject)) {
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const files = filesObject[key]
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files.forEach(f => deleteFileAndCatch(f.path))
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}
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}
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function getHostWithPort (host: string) {
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const splitted = host.split(':')
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// The port was not specified
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if (splitted.length === 1) {
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if (REMOTE_SCHEME.HTTP === 'https') return host + ':443'
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return host + ':80'
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}
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return host
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}
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function createReqFiles (
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fieldNames: string[],
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mimeTypes: { [id: string]: string | string[] },
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destination = CONFIG.STORAGE.TMP_DIR
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): RequestHandler {
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const storage = diskStorage({
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destination: (req, file, cb) => {
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cb(null, destination)
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},
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filename: (req, file, cb) => {
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return generateReqFilename(file, mimeTypes, cb)
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}
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})
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const fields: { name: string, maxCount: number }[] = []
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for (const fieldName of fieldNames) {
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fields.push({
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name: fieldName,
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maxCount: 1
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})
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}
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return multer({ storage }).fields(fields)
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}
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function createAnyReqFiles (
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mimeTypes: { [id: string]: string | string[] },
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fileFilter: (req: express.Request, file: Express.Multer.File, cb: (err: Error, result: boolean) => void) => void
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): RequestHandler {
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const storage = diskStorage({
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destination: (req, file, cb) => {
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cb(null, CONFIG.STORAGE.TMP_DIR)
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},
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filename: (req, file, cb) => {
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return generateReqFilename(file, mimeTypes, cb)
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}
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})
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return multer({ storage, fileFilter }).any()
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}
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function isUserAbleToSearchRemoteURI (res: express.Response) {
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const user = res.locals.oauth ? res.locals.oauth.token.User : undefined
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return CONFIG.SEARCH.REMOTE_URI.ANONYMOUS === true ||
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(CONFIG.SEARCH.REMOTE_URI.USERS === true && user !== undefined)
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}
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function getCountVideos (req: express.Request) {
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return req.query.skipCount !== true
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}
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// ---------------------------------------------------------------------------
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export {
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buildNSFWFilter,
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getHostWithPort,
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createAnyReqFiles,
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isUserAbleToSearchRemoteURI,
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createReqFiles,
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cleanUpReqFiles,
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getCountVideos
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}
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// ---------------------------------------------------------------------------
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async function generateReqFilename (
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file: Express.Multer.File,
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mimeTypes: { [id: string]: string | string[] },
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cb: (err: Error, name: string) => void
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) {
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let extension: string
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const fileExtension = getLowercaseExtension(file.originalname)
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const extensionFromMimetype = getExtFromMimetype(mimeTypes, file.mimetype)
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// Take the file extension if we don't understand the mime type
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if (!extensionFromMimetype) {
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extension = fileExtension
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} else {
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// Take the first available extension for this mimetype
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extension = extensionFromMimetype
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}
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let randomString = ''
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try {
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randomString = await generateRandomString(16)
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} catch (err) {
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logger.error('Cannot generate random string for file name.', { err })
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randomString = 'fake-random-string'
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}
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cb(null, randomString + extension)
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}
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