import { Request, Response } from 'express' import { isUUIDValid } from '@server/helpers/custom-validators/misc' import { loadVideo, VideoLoadType } from '@server/lib/model-loaders' import { isAbleToUploadVideo } from '@server/lib/user' import { authenticatePromise } from '@server/middlewares/auth' import { VideoModel } from '@server/models/video/video' import { VideoChannelModel } from '@server/models/video/video-channel' import { VideoFileModel } from '@server/models/video/video-file' import { MUser, MUserAccountId, MUserId, MVideo, MVideoAccountLight, MVideoFormattableDetails, MVideoFullLight, MVideoId, MVideoImmutable, MVideoThumbnail, MVideoWithRights } from '@server/types/models' import { HttpStatusCode, ServerErrorCode, UserRight, VideoPrivacy } from '@shared/models' async function doesVideoExist (id: number | string, res: Response, fetchType: VideoLoadType = 'all') { const userId = res.locals.oauth ? res.locals.oauth.token.User.id : undefined const video = await loadVideo(id, fetchType, userId) if (!video) { res.fail({ status: HttpStatusCode.NOT_FOUND_404, message: 'Video not found' }) return false } switch (fetchType) { case 'for-api': res.locals.videoAPI = video as MVideoFormattableDetails break case 'all': res.locals.videoAll = video as MVideoFullLight break case 'only-immutable-attributes': res.locals.onlyImmutableVideo = video as MVideoImmutable break case 'id': res.locals.videoId = video as MVideoId break case 'only-video': res.locals.onlyVideo = video as MVideoThumbnail break } return true } // --------------------------------------------------------------------------- async function doesVideoFileOfVideoExist (id: number, videoIdOrUUID: number | string, res: Response) { if (!await VideoFileModel.doesVideoExistForVideoFile(id, videoIdOrUUID)) { res.fail({ status: HttpStatusCode.NOT_FOUND_404, message: 'VideoFile matching Video not found' }) return false } return true } // --------------------------------------------------------------------------- async function doesVideoChannelOfAccountExist (channelId: number, user: MUserAccountId, res: Response) { const videoChannel = await VideoChannelModel.loadAndPopulateAccount(channelId) if (videoChannel === null) { res.fail({ message: 'Unknown video "video channel" for this instance.' }) return false } // Don't check account id if the user can update any video if (user.hasRight(UserRight.UPDATE_ANY_VIDEO) === true) { res.locals.videoChannel = videoChannel return true } if (videoChannel.Account.id !== user.Account.id) { res.fail({ message: 'Unknown video "video channel" for this account.' }) return false } res.locals.videoChannel = videoChannel return true } // --------------------------------------------------------------------------- async function checkCanSeeVideo (options: { req: Request res: Response paramId: string video: MVideo authenticateInQuery?: boolean // default false }) { const { req, res, video, paramId, authenticateInQuery = false } = options if (video.requiresAuth()) { return checkCanSeeAuthVideo(req, res, video, authenticateInQuery) } if (video.privacy === VideoPrivacy.UNLISTED) { if (isUUIDValid(paramId)) return true return checkCanSeeAuthVideo(req, res, video, authenticateInQuery) } if (video.privacy === VideoPrivacy.PUBLIC) return true throw new Error('Fatal error when checking video right ' + video.url) } async function checkCanSeeAuthVideo (req: Request, res: Response, video: MVideoId | MVideoWithRights, authenticateInQuery = false) { const fail = () => { res.fail({ status: HttpStatusCode.FORBIDDEN_403, message: 'Cannot fetch information of private/internal/blocked video' }) return false } await authenticatePromise(req, res, authenticateInQuery) const user = res.locals.oauth?.token.User if (!user) return fail() const videoWithRights = (video as MVideoWithRights).VideoChannel?.Account?.userId ? video as MVideoWithRights : await VideoModel.loadFull(video.id) const privacy = videoWithRights.privacy if (privacy === VideoPrivacy.INTERNAL) { // We know we have a user return true } const isOwnedByUser = videoWithRights.VideoChannel.Account.userId === user.id if (videoWithRights.isBlacklisted()) { if (isOwnedByUser || user.hasRight(UserRight.MANAGE_VIDEO_BLACKLIST)) return true return fail() } if (privacy === VideoPrivacy.PRIVATE || privacy === VideoPrivacy.UNLISTED) { if (isOwnedByUser || user.hasRight(UserRight.SEE_ALL_VIDEOS)) return true return fail() } // Should not happen return fail() } // --------------------------------------------------------------------------- function checkUserCanManageVideo (user: MUser, video: MVideoAccountLight, right: UserRight, res: Response, onlyOwned = true) { // Retrieve the user who did the request if (onlyOwned && video.isOwned() === false) { res.fail({ status: HttpStatusCode.FORBIDDEN_403, message: 'Cannot manage a video of another server.' }) return false } // Check if the user can delete the video // The user can delete it if he has the right // Or if s/he is the video's account const account = video.VideoChannel.Account if (user.hasRight(right) === false && account.userId !== user.id) { res.fail({ status: HttpStatusCode.FORBIDDEN_403, message: 'Cannot manage a video of another user.' }) return false } return true } // --------------------------------------------------------------------------- async function checkUserQuota (user: MUserId, videoFileSize: number, res: Response) { 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.', type: ServerErrorCode.QUOTA_REACHED }) return false } return true } // --------------------------------------------------------------------------- export { doesVideoChannelOfAccountExist, doesVideoExist, doesVideoFileOfVideoExist, checkUserCanManageVideo, checkCanSeeVideo, checkUserQuota }