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peertube/server/middlewares/validators/videos/videos.ts
2021-06-02 18:15:41 +02:00

681 lines
24 KiB
TypeScript

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<express.UploadXFileMetadata> = 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<boolean> {
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
}