import * as express from 'express' import { body, header, param, query, ValidationChain } from 'express-validator' import { getResumableUploadPath } from '@server/helpers/upload' import { isAbleToUploadVideo } from '@server/lib/user' import { getServerActor } from '@server/models/application/application' import { ExpressPromiseHandler } from '@server/types/express' import { MUserAccountId, MVideoWithRights } from '@server/types/models' import { ServerErrorCode, UserRight, VideoChangeOwnershipStatus, VideoPrivacy } from '../../../../shared' import { HttpStatusCode } from '../../../../shared/core-utils/miscs/http-error-codes' import { VideoChangeOwnershipAccept } from '../../../../shared/models/videos/change-ownership/video-change-ownership-accept.model' import { exists, isBooleanValid, isDateValid, isFileFieldValid, isIdOrUUIDValid, isIdValid, isUUIDValid, toArray, toBooleanOrNull, toIntOrNull, toValueOrNull } from '../../../helpers/custom-validators/misc' import { isBooleanBothQueryValid, isNumberArray, isStringArray } from '../../../helpers/custom-validators/search' import { checkUserCanTerminateOwnershipChange, doesChangeVideoOwnershipExist } from '../../../helpers/custom-validators/video-ownership' import { isScheduleVideoUpdatePrivacyValid, isVideoCategoryValid, isVideoDescriptionValid, isVideoFileMimeTypeValid, isVideoFileSizeValid, isVideoFilterValid, isVideoImage, isVideoLanguageValid, isVideoLicenceValid, isVideoNameValid, isVideoOriginallyPublishedAtValid, isVideoPrivacyValid, isVideoSupportValid, isVideoTagsValid } from '../../../helpers/custom-validators/videos' import { cleanUpReqFiles } from '../../../helpers/express-utils' import { getDurationFromVideoFile } from '../../../helpers/ffprobe-utils' import { logger } from '../../../helpers/logger' import { checkUserCanManageVideo, doesVideoChannelOfAccountExist, doesVideoExist, doesVideoFileOfVideoExist } from '../../../helpers/middlewares' import { deleteFileAndCatch } from '../../../helpers/utils' import { getVideoWithAttributes } from '../../../helpers/video' import { CONFIG } from '../../../initializers/config' import { CONSTRAINTS_FIELDS, OVERVIEWS } from '../../../initializers/constants' import { isLocalVideoAccepted } from '../../../lib/moderation' import { Hooks } from '../../../lib/plugins/hooks' import { AccountModel } from '../../../models/account/account' import { VideoModel } from '../../../models/video/video' import { authenticatePromiseIfNeeded } from '../../auth' import { areValidationErrors } from '../utils' const videosAddLegacyValidator = getCommonVideoEditAttributes().concat([ body('videofile') .custom((value, { req }) => isFileFieldValid(req.files, 'videofile')) .withMessage('Should have a file'), body('name') .trim() .custom(isVideoNameValid).withMessage( `Should have a video name between ${CONSTRAINTS_FIELDS.VIDEOS.NAME.min} and ${CONSTRAINTS_FIELDS.VIDEOS.NAME.max} characters long` ), body('channelId') .customSanitizer(toIntOrNull) .custom(isIdValid).withMessage('Should have correct video channel id'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files }) if (areValidationErrors(req, res)) return cleanUpReqFiles(req) const videoFile: express.VideoUploadFile = req.files['videofile'][0] const user = res.locals.oauth.token.User if (!await commonVideoChecksPass({ req, res, user, videoFileSize: videoFile.size, files: req.files })) { return cleanUpReqFiles(req) } try { if (!videoFile.duration) await addDurationToVideo(videoFile) } catch (err) { logger.error('Invalid input file in videosAddLegacyValidator.', { err }) res.fail({ status: HttpStatusCode.UNPROCESSABLE_ENTITY_422, message: 'Video file unreadable.' }) return cleanUpReqFiles(req) } if (!await isVideoAccepted(req, res, videoFile)) return cleanUpReqFiles(req) return next() } ]) /** * Gets called after the last PUT request */ const videosAddResumableValidator = [ async (req: express.Request, res: express.Response, next: express.NextFunction) => { const user = res.locals.oauth.token.User const body: express.CustomUploadXFile = req.body const file = { ...body, duration: undefined, path: getResumableUploadPath(body.id), filename: body.metadata.filename } const cleanup = () => deleteFileAndCatch(file.path) if (!await doesVideoChannelOfAccountExist(file.metadata.channelId, user, res)) return cleanup() try { if (!file.duration) await addDurationToVideo(file) } catch (err) { logger.error('Invalid input file in videosAddResumableValidator.', { err }) res.fail({ status: HttpStatusCode.UNPROCESSABLE_ENTITY_422, message: 'Video file unreadable.' }) return cleanup() } if (!await isVideoAccepted(req, res, file)) return cleanup() res.locals.videoFileResumable = file return next() } ] /** * File is created in POST initialisation, and its body is saved as a 'metadata' field is saved by uploadx for later use. * see https://github.com/kukhariev/node-uploadx/blob/dc9fb4a8ac5a6f481902588e93062f591ec6ef03/packages/core/src/handlers/uploadx.ts * * Uploadx doesn't use next() until the upload completes, so this middleware has to be placed before uploadx * see https://github.com/kukhariev/node-uploadx/blob/dc9fb4a8ac5a6f481902588e93062f591ec6ef03/packages/core/src/handlers/base-handler.ts * */ const videosAddResumableInitValidator = getCommonVideoEditAttributes().concat([ body('filename') .isString() .exists() .withMessage('Should have a valid filename'), body('name') .trim() .custom(isVideoNameValid).withMessage( `Should have a video name between ${CONSTRAINTS_FIELDS.VIDEOS.NAME.min} and ${CONSTRAINTS_FIELDS.VIDEOS.NAME.max} characters long` ), body('channelId') .customSanitizer(toIntOrNull) .custom(isIdValid).withMessage('Should have correct video channel id'), header('x-upload-content-length') .isNumeric() .exists() .withMessage('Should specify the file length'), header('x-upload-content-type') .isString() .exists() .withMessage('Should specify the file mimetype'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { const videoFileMetadata = { mimetype: req.headers['x-upload-content-type'] as string, size: +req.headers['x-upload-content-length'], originalname: req.body.name } const user = res.locals.oauth.token.User const cleanup = () => cleanUpReqFiles(req) logger.debug('Checking videosAddResumableInitValidator parameters and headers', { parameters: req.body, headers: req.headers, files: req.files }) if (areValidationErrors(req, res)) return cleanup() const files = { videofile: [ videoFileMetadata ] } if (!await commonVideoChecksPass({ req, res, user, videoFileSize: videoFileMetadata.size, files })) return cleanup() // multer required unsetting the Content-Type, now we can set it for node-uploadx req.headers['content-type'] = 'application/json; charset=utf-8' // place previewfile in metadata so that uploadx saves it in .META if (req.files['previewfile']) req.body.previewfile = req.files['previewfile'] return next() } ]) const videosUpdateValidator = getCommonVideoEditAttributes().concat([ param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'), body('name') .optional() .trim() .custom(isVideoNameValid).withMessage( `Should have a video name between ${CONSTRAINTS_FIELDS.VIDEOS.NAME.min} and ${CONSTRAINTS_FIELDS.VIDEOS.NAME.max} characters long` ), body('channelId') .optional() .customSanitizer(toIntOrNull) .custom(isIdValid).withMessage('Should have correct video channel id'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videosUpdate parameters', { parameters: req.body }) if (areValidationErrors(req, res)) return cleanUpReqFiles(req) if (areErrorsInScheduleUpdate(req, res)) return cleanUpReqFiles(req) if (!await doesVideoExist(req.params.id, res)) return cleanUpReqFiles(req) // Check if the user who did the request is able to update the video const user = res.locals.oauth.token.User if (!checkUserCanManageVideo(user, res.locals.videoAll, UserRight.UPDATE_ANY_VIDEO, res)) return cleanUpReqFiles(req) if (req.body.channelId && !await doesVideoChannelOfAccountExist(req.body.channelId, user, res)) return cleanUpReqFiles(req) return next() } ]) async function checkVideoFollowConstraints (req: express.Request, res: express.Response, next: express.NextFunction) { const video = getVideoWithAttributes(res) // Anybody can watch local videos if (video.isOwned() === true) return next() // Logged user if (res.locals.oauth) { // Users can search or watch remote videos if (CONFIG.SEARCH.REMOTE_URI.USERS === true) return next() } // Anybody can search or watch remote videos if (CONFIG.SEARCH.REMOTE_URI.ANONYMOUS === true) return next() // Check our instance follows an actor that shared this video const serverActor = await getServerActor() if (await VideoModel.checkVideoHasInstanceFollow(video.id, serverActor.id) === true) return next() return res.fail({ status: HttpStatusCode.FORBIDDEN_403, message: 'Cannot get this video regarding follow constraints', type: ServerErrorCode.DOES_NOT_RESPECT_FOLLOW_CONSTRAINTS, data: { originUrl: video.url } }) } const videosCustomGetValidator = ( fetchType: 'all' | 'only-video' | 'only-video-with-rights' | 'only-immutable-attributes', authenticateInQuery = false ) => { return [ param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videosGet parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await doesVideoExist(req.params.id, res, fetchType)) return // Controllers does not need to check video rights if (fetchType === 'only-immutable-attributes') return next() const video = getVideoWithAttributes(res) as MVideoWithRights // Video private or blacklisted if (video.requiresAuth()) { await authenticatePromiseIfNeeded(req, res, authenticateInQuery) const user = res.locals.oauth ? res.locals.oauth.token.User : null // Only the owner or a user that have blocklist rights can see the video if (!user || !user.canGetVideo(video)) { return res.fail({ status: HttpStatusCode.FORBIDDEN_403, message: 'Cannot get this private/internal or blocklisted video' }) } return next() } // Video is public, anyone can access it if (video.privacy === VideoPrivacy.PUBLIC) return next() // Video is unlisted, check we used the uuid to fetch it if (video.privacy === VideoPrivacy.UNLISTED) { if (isUUIDValid(req.params.id)) return next() // Don't leak this unlisted video return res.fail({ status: HttpStatusCode.NOT_FOUND_404, message: 'Video not found' }) } } ] } const videosGetValidator = videosCustomGetValidator('all') const videosDownloadValidator = videosCustomGetValidator('all', true) const videoFileMetadataGetValidator = getCommonVideoEditAttributes().concat([ param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'), param('videoFileId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid videoFileId'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoFileMetadataGet parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await doesVideoFileOfVideoExist(+req.params.videoFileId, req.params.id, res)) return return next() } ]) const videosRemoveValidator = [ param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videosRemove parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await doesVideoExist(req.params.id, res)) return // Check if the user who did the request is able to delete the video if (!checkUserCanManageVideo(res.locals.oauth.token.User, res.locals.videoAll, UserRight.REMOVE_ANY_VIDEO, res)) return return next() } ] const videosChangeOwnershipValidator = [ param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking changeOwnership parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await doesVideoExist(req.params.videoId, res)) return // Check if the user who did the request is able to change the ownership of the video if (!checkUserCanManageVideo(res.locals.oauth.token.User, res.locals.videoAll, UserRight.CHANGE_VIDEO_OWNERSHIP, res)) return const nextOwner = await AccountModel.loadLocalByName(req.body.username) if (!nextOwner) { res.fail({ message: 'Changing video ownership to a remote account is not supported yet' }) return } res.locals.nextOwner = nextOwner return next() } ] const videosTerminateChangeOwnershipValidator = [ param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking changeOwnership parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await doesChangeVideoOwnershipExist(req.params.id, res)) return // Check if the user who did the request is able to change the ownership of the video if (!checkUserCanTerminateOwnershipChange(res.locals.oauth.token.User, res.locals.videoChangeOwnership, res)) return const videoChangeOwnership = res.locals.videoChangeOwnership if (videoChangeOwnership.status !== VideoChangeOwnershipStatus.WAITING) { res.fail({ status: HttpStatusCode.FORBIDDEN_403, message: 'Ownership already accepted or refused' }) return } return next() } ] const videosAcceptChangeOwnershipValidator = [ async (req: express.Request, res: express.Response, next: express.NextFunction) => { const body = req.body as VideoChangeOwnershipAccept if (!await doesVideoChannelOfAccountExist(body.channelId, res.locals.oauth.token.User, res)) return const user = res.locals.oauth.token.User const videoChangeOwnership = res.locals.videoChangeOwnership const isAble = await isAbleToUploadVideo(user.id, videoChangeOwnership.Video.getMaxQualityFile().size) if (isAble === false) { res.fail({ status: HttpStatusCode.PAYLOAD_TOO_LARGE_413, message: 'The user video quota is exceeded with this video.' }) return } return next() } ] const videosOverviewValidator = [ query('page') .optional() .isInt({ min: 1, max: OVERVIEWS.VIDEOS.SAMPLES_COUNT }) .withMessage('Should have a valid pagination'), (req: express.Request, res: express.Response, next: express.NextFunction) => { if (areValidationErrors(req, res)) return return next() } ] function getCommonVideoEditAttributes () { return [ body('thumbnailfile') .custom((value, { req }) => isVideoImage(req.files, 'thumbnailfile')).withMessage( 'This thumbnail file is not supported or too large. Please, make sure it is of the following type: ' + CONSTRAINTS_FIELDS.VIDEOS.IMAGE.EXTNAME.join(', ') ), body('previewfile') .custom((value, { req }) => isVideoImage(req.files, 'previewfile')).withMessage( 'This preview file is not supported or too large. Please, make sure it is of the following type: ' + CONSTRAINTS_FIELDS.VIDEOS.IMAGE.EXTNAME.join(', ') ), body('category') .optional() .customSanitizer(toIntOrNull) .custom(isVideoCategoryValid).withMessage('Should have a valid category'), body('licence') .optional() .customSanitizer(toIntOrNull) .custom(isVideoLicenceValid).withMessage('Should have a valid licence'), body('language') .optional() .customSanitizer(toValueOrNull) .custom(isVideoLanguageValid).withMessage('Should have a valid language'), body('nsfw') .optional() .customSanitizer(toBooleanOrNull) .custom(isBooleanValid).withMessage('Should have a valid NSFW attribute'), body('waitTranscoding') .optional() .customSanitizer(toBooleanOrNull) .custom(isBooleanValid).withMessage('Should have a valid wait transcoding attribute'), body('privacy') .optional() .customSanitizer(toValueOrNull) .custom(isVideoPrivacyValid).withMessage('Should have correct video privacy'), body('description') .optional() .customSanitizer(toValueOrNull) .custom(isVideoDescriptionValid).withMessage('Should have a valid description'), body('support') .optional() .customSanitizer(toValueOrNull) .custom(isVideoSupportValid).withMessage('Should have a valid support text'), body('tags') .optional() .customSanitizer(toValueOrNull) .custom(isVideoTagsValid) .withMessage( `Should have an array of up to ${CONSTRAINTS_FIELDS.VIDEOS.TAGS.max} tags between ` + `${CONSTRAINTS_FIELDS.VIDEOS.TAG.min} and ${CONSTRAINTS_FIELDS.VIDEOS.TAG.max} characters each` ), body('commentsEnabled') .optional() .customSanitizer(toBooleanOrNull) .custom(isBooleanValid).withMessage('Should have comments enabled boolean'), body('downloadEnabled') .optional() .customSanitizer(toBooleanOrNull) .custom(isBooleanValid).withMessage('Should have downloading enabled boolean'), body('originallyPublishedAt') .optional() .customSanitizer(toValueOrNull) .custom(isVideoOriginallyPublishedAtValid).withMessage('Should have a valid original publication date'), body('scheduleUpdate') .optional() .customSanitizer(toValueOrNull), body('scheduleUpdate.updateAt') .optional() .custom(isDateValid).withMessage('Should have a schedule update date that conforms to ISO 8601'), body('scheduleUpdate.privacy') .optional() .customSanitizer(toIntOrNull) .custom(isScheduleVideoUpdatePrivacyValid).withMessage('Should have correct schedule update privacy') ] as (ValidationChain | ExpressPromiseHandler)[] } const commonVideosFiltersValidator = [ query('categoryOneOf') .optional() .customSanitizer(toArray) .custom(isNumberArray).withMessage('Should have a valid one of category array'), query('licenceOneOf') .optional() .customSanitizer(toArray) .custom(isNumberArray).withMessage('Should have a valid one of licence array'), query('languageOneOf') .optional() .customSanitizer(toArray) .custom(isStringArray).withMessage('Should have a valid one of language array'), query('tagsOneOf') .optional() .customSanitizer(toArray) .custom(isStringArray).withMessage('Should have a valid one of tags array'), query('tagsAllOf') .optional() .customSanitizer(toArray) .custom(isStringArray).withMessage('Should have a valid all of tags array'), query('nsfw') .optional() .custom(isBooleanBothQueryValid).withMessage('Should have a valid NSFW attribute'), query('isLive') .optional() .customSanitizer(toBooleanOrNull) .custom(isBooleanValid).withMessage('Should have a valid live boolean'), query('filter') .optional() .custom(isVideoFilterValid).withMessage('Should have a valid filter attribute'), query('skipCount') .optional() .customSanitizer(toBooleanOrNull) .custom(isBooleanValid).withMessage('Should have a valid skip count boolean'), query('search') .optional() .custom(exists).withMessage('Should have a valid search'), (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking commons video filters query', { parameters: req.query }) if (areValidationErrors(req, res)) return const user = res.locals.oauth ? res.locals.oauth.token.User : undefined if ( (req.query.filter === 'all-local' || req.query.filter === 'all') && (!user || user.hasRight(UserRight.SEE_ALL_VIDEOS) === false) ) { res.fail({ status: HttpStatusCode.UNAUTHORIZED_401, message: 'You are not allowed to see all local videos.' }) return } return next() } ] // --------------------------------------------------------------------------- export { videosAddLegacyValidator, videosAddResumableValidator, videosAddResumableInitValidator, videosUpdateValidator, videosGetValidator, videoFileMetadataGetValidator, videosDownloadValidator, checkVideoFollowConstraints, videosCustomGetValidator, videosRemoveValidator, videosChangeOwnershipValidator, videosTerminateChangeOwnershipValidator, videosAcceptChangeOwnershipValidator, getCommonVideoEditAttributes, commonVideosFiltersValidator, videosOverviewValidator } // --------------------------------------------------------------------------- function areErrorsInScheduleUpdate (req: express.Request, res: express.Response) { if (req.body.scheduleUpdate) { if (!req.body.scheduleUpdate.updateAt) { logger.warn('Invalid parameters: scheduleUpdate.updateAt is mandatory.') res.fail({ message: 'Schedule update at is mandatory.' }) return true } } return false } async function commonVideoChecksPass (parameters: { req: express.Request res: express.Response user: MUserAccountId videoFileSize: number files: express.UploadFilesForCheck }): Promise { const { req, res, user, videoFileSize, files } = parameters if (areErrorsInScheduleUpdate(req, res)) return false if (!await doesVideoChannelOfAccountExist(req.body.channelId, user, res)) return false if (!isVideoFileMimeTypeValid(files)) { res.fail({ status: HttpStatusCode.UNSUPPORTED_MEDIA_TYPE_415, message: 'This file is not supported. Please, make sure it is of the following type: ' + CONSTRAINTS_FIELDS.VIDEOS.EXTNAME.join(', ') }) return false } if (!isVideoFileSizeValid(videoFileSize.toString())) { res.fail({ status: HttpStatusCode.PAYLOAD_TOO_LARGE_413, message: 'This file is too large. It exceeds the maximum file size authorized.' }) return false } if (await isAbleToUploadVideo(user.id, videoFileSize) === false) { res.fail({ status: HttpStatusCode.PAYLOAD_TOO_LARGE_413, message: 'The user video quota is exceeded with this video.' }) return false } return true } export async function isVideoAccepted ( req: express.Request, res: express.Response, videoFile: express.VideoUploadFile ) { // Check we accept this video const acceptParameters = { videoBody: req.body, videoFile, user: res.locals.oauth.token.User } const acceptedResult = await Hooks.wrapFun( isLocalVideoAccepted, acceptParameters, 'filter:api.video.upload.accept.result' ) if (!acceptedResult || acceptedResult.accepted !== true) { logger.info('Refused local video.', { acceptedResult, acceptParameters }) res.fail({ status: HttpStatusCode.FORBIDDEN_403, message: acceptedResult.errorMessage || 'Refused local video' }) return false } return true } async function addDurationToVideo (videoFile: { path: string, duration?: number }) { const duration: number = await getDurationFromVideoFile(videoFile.path) if (isNaN(duration)) throw new Error(`Couldn't get video duration`) videoFile.duration = duration }