import * as express from 'express' import * as multer from 'multer' import { extname } from 'path' import { HttpStatusCode } from '../../shared/core-utils/miscs/http-error-codes' import { CONFIG } from '../initializers/config' import { REMOTE_SCHEME } from '../initializers/constants' import { isArray } from './custom-validators/misc' import { logger } from './logger' import { deleteFileAndCatch, generateRandomString } from './utils' import { getExtFromMimetype } from './video' import { ProblemDocument, ProblemDocumentExtension } from 'http-problem-details' function buildNSFWFilter (res?: express.Response, paramNSFW?: string) { if (paramNSFW === 'true') return true if (paramNSFW === 'false') return false if (paramNSFW === 'both') return undefined if (res?.locals.oauth) { const user = res.locals.oauth.token.User // User does not want NSFW videos if (user.nsfwPolicy === 'do_not_list') return false // Both return undefined } if (CONFIG.INSTANCE.DEFAULT_NSFW_POLICY === 'do_not_list') return false // Display all return null } function cleanUpReqFiles ( req: { files: { [fieldname: string]: Express.Multer.File[] } | Express.Multer.File[] } ) { const filesObject = req.files if (!filesObject) return if (isArray(filesObject)) { filesObject.forEach(f => deleteFileAndCatch(f.path)) return } for (const key of Object.keys(filesObject)) { const files = filesObject[key] files.forEach(f => deleteFileAndCatch(f.path)) } } function getHostWithPort (host: string) { const splitted = host.split(':') // The port was not specified if (splitted.length === 1) { if (REMOTE_SCHEME.HTTP === 'https') return host + ':443' return host + ':80' } return host } function badRequest (req: express.Request, res: express.Response) { return res.type('json') .status(HttpStatusCode.BAD_REQUEST_400) .end() } function createReqFiles ( fieldNames: string[], mimeTypes: { [id: string]: string | string[] }, destinations: { [fieldName: string]: string } ) { const storage = multer.diskStorage({ destination: (req, file, cb) => { cb(null, destinations[file.fieldname]) }, filename: async (req, file, cb) => { let extension: string const fileExtension = extname(file.originalname) const extensionFromMimetype = getExtFromMimetype(mimeTypes, file.mimetype) // Take the file extension if we don't understand the mime type if (!extensionFromMimetype) { extension = fileExtension } else { // Take the first available extension for this mimetype extension = extensionFromMimetype } let randomString = '' try { randomString = await generateRandomString(16) } catch (err) { logger.error('Cannot generate random string for file name.', { err }) randomString = 'fake-random-string' } cb(null, randomString + extension) } }) const fields: { name: string, maxCount: number }[] = [] for (const fieldName of fieldNames) { fields.push({ name: fieldName, maxCount: 1 }) } return multer({ storage }).fields(fields) } function isUserAbleToSearchRemoteURI (res: express.Response) { const user = res.locals.oauth ? res.locals.oauth.token.User : undefined return CONFIG.SEARCH.REMOTE_URI.ANONYMOUS === true || (CONFIG.SEARCH.REMOTE_URI.USERS === true && user !== undefined) } function getCountVideos (req: express.Request) { return req.query.skipCount !== true } // helpers added in server.ts and used in subsequent controllers used const apiResponseHelpers = (req, res: express.Response, next = null) => { res.fail = (options) => { const { data, status = HttpStatusCode.BAD_REQUEST_400, message, title, type, docs = res.docs, instance } = options const extension = new ProblemDocumentExtension({ ...data, docs, // fields for <= 3.2 compatibility, deprecated error: message, code: type }) res.status(status) res.setHeader('Content-Type', 'application/problem+json') res.json(new ProblemDocument({ status, title, instance, // fields intended to replace 'error' and 'code' respectively detail: message, type: type && 'https://docs.joinpeertube.org/api-rest-reference.html#section/Errors/' + type }, extension)) } if (next) next() } // --------------------------------------------------------------------------- export { buildNSFWFilter, getHostWithPort, isUserAbleToSearchRemoteURI, badRequest, createReqFiles, cleanUpReqFiles, getCountVideos, apiResponseHelpers }