+ /* ************ Email verification ************ */
+
+ async setVerifyEmailVerificationString (userId: number) {
+ const generatedString = await generateRandomString(32)
+
+ await this.setValue(this.generateVerifyEmailKey(userId), generatedString, USER_EMAIL_VERIFY_LIFETIME)
+
+ return generatedString
+ }
+
+ async getVerifyEmailLink (userId: number) {
+ return this.getValue(this.generateVerifyEmailKey(userId))
+ }
+
+ /* ************ Contact form per IP ************ */
+
+ async setContactFormIp (ip: string) {
+ return this.setValue(this.generateContactFormKey(ip), '1', CONTACT_FORM_LIFETIME)
+ }
+
+ async doesContactFormIpExist (ip: string) {
+ return this.exists(this.generateContactFormKey(ip))
+ }
+
+ /* ************ Views per IP ************ */
+
+ setIPVideoView (ip: string, videoUUID: string) {
+ return this.setValue(this.generateIPViewKey(ip, videoUUID), '1', VIEW_LIFETIME.VIEW)
+ }
+
+ setIPVideoViewer (ip: string, videoUUID: string) {
+ return this.setValue(this.generateIPViewerKey(ip, videoUUID), '1', VIEW_LIFETIME.VIEWER)
+ }
+
+ async doesVideoIPViewExist (ip: string, videoUUID: string) {
+ return this.exists(this.generateIPViewKey(ip, videoUUID))
+ }
+
+ async doesVideoIPViewerExist (ip: string, videoUUID: string) {
+ return this.exists(this.generateIPViewerKey(ip, videoUUID))
+ }
+
+ /* ************ Tracker IP block ************ */
+
+ setTrackerBlockIP (ip: string) {
+ return this.setValue(this.generateTrackerBlockIPKey(ip), '1', TRACKER_RATE_LIMITS.BLOCK_IP_LIFETIME)
+ }
+
+ async doesTrackerBlockIPExist (ip: string) {
+ return this.exists(this.generateTrackerBlockIPKey(ip))
+ }
+
+ /* ************ API cache ************ */
+
+ async getCachedRoute (req: express.Request) {
+ const cached = await this.getObject(this.generateCachedRouteKey(req))
+
+ return cached as CachedRoute
+ }
+
+ setCachedRoute (req: express.Request, body: any, lifetime: number, contentType?: string, statusCode?: number) {
+ const cached: CachedRoute = Object.assign(
+ {},
+ { body: body.toString() },
+ (contentType) ? { contentType } : null,
+ (statusCode) ? { statusCode: statusCode.toString() } : null
+ )
+
+ return this.setObject(this.generateCachedRouteKey(req), cached, lifetime)
+ }
+
+ /* ************ Video views stats ************ */
+
+ addVideoViewStats (videoId: number) {
+ const { videoKey, setKey } = this.generateVideoViewStatsKeys({ videoId })
+
+ return Promise.all([
+ this.addToSet(setKey, videoId.toString()),
+ this.increment(videoKey)
+ ])
+ }
+
+ async getVideoViewsStats (videoId: number, hour: number) {
+ const { videoKey } = this.generateVideoViewStatsKeys({ videoId, hour })
+
+ const valueString = await this.getValue(videoKey)
+ const valueInt = parseInt(valueString, 10)
+
+ if (isNaN(valueInt)) {
+ logger.error('Cannot get videos views stats of video %d in hour %d: views number is NaN (%s).', videoId, hour, valueString)
+ return undefined
+ }
+
+ return valueInt
+ }
+
+ async listVideosViewedForStats (hour: number) {
+ const { setKey } = this.generateVideoViewStatsKeys({ hour })
+
+ const stringIds = await this.getSet(setKey)
+ return stringIds.map(s => parseInt(s, 10))
+ }
+
+ deleteVideoViewsStats (videoId: number, hour: number) {
+ const { setKey, videoKey } = this.generateVideoViewStatsKeys({ videoId, hour })
+
+ return Promise.all([
+ this.deleteFromSet(setKey, videoId.toString()),
+ this.deleteKey(videoKey)
+ ])
+ }
+
+ /* ************ Local video views buffer ************ */
+
+ addLocalVideoView (videoId: number) {
+ const { videoKey, setKey } = this.generateLocalVideoViewsKeys(videoId)
+
+ return Promise.all([
+ this.addToSet(setKey, videoId.toString()),
+ this.increment(videoKey)
+ ])
+ }
+
+ async getLocalVideoViews (videoId: number) {
+ const { videoKey } = this.generateLocalVideoViewsKeys(videoId)
+
+ const valueString = await this.getValue(videoKey)
+ const valueInt = parseInt(valueString, 10)
+
+ if (isNaN(valueInt)) {
+ logger.error('Cannot get videos views of video %d: views number is NaN (%s).', videoId, valueString)
+ return undefined
+ }
+
+ return valueInt
+ }
+
+ async listLocalVideosViewed () {
+ const { setKey } = this.generateLocalVideoViewsKeys()
+
+ const stringIds = await this.getSet(setKey)
+ return stringIds.map(s => parseInt(s, 10))
+ }
+
+ deleteLocalVideoViews (videoId: number) {
+ const { setKey, videoKey } = this.generateLocalVideoViewsKeys(videoId)
+
+ return Promise.all([
+ this.deleteFromSet(setKey, videoId.toString()),
+ this.deleteKey(videoKey)
+ ])
+ }
+
+ /* ************ Resumable uploads final responses ************ */
+
+ setUploadSession (uploadId: string, response?: { video: { id: number, shortUUID: string, uuid: string } }) {
+ return this.setValue(
+ 'resumable-upload-' + uploadId,
+ response
+ ? JSON.stringify(response)
+ : '',
+ RESUMABLE_UPLOAD_SESSION_LIFETIME
+ )
+ }
+
+ doesUploadSessionExist (uploadId: string) {
+ return this.exists('resumable-upload-' + uploadId)
+ }
+
+ async getUploadSession (uploadId: string) {
+ const value = await this.getValue('resumable-upload-' + uploadId)
+
+ return value
+ ? JSON.parse(value)
+ : ''
+ }
+
+ deleteUploadSession (uploadId: string) {
+ return this.deleteKey('resumable-upload-' + uploadId)
+ }
+
+ /* ************ Keys generation ************ */
+
+ generateCachedRouteKey (req: express.Request) {
+ return req.method + '-' + req.originalUrl
+ }
+
+ private generateLocalVideoViewsKeys (videoId?: Number) {
+ return { setKey: `local-video-views-buffer`, videoKey: `local-video-views-buffer-${videoId}` }
+ }
+
+ private generateVideoViewStatsKeys (options: { videoId?: number, hour?: number }) {
+ const hour = exists(options.hour)
+ ? options.hour
+ : new Date().getHours()
+
+ return { setKey: `videos-view-h${hour}`, videoKey: `video-view-${options.videoId}-h${hour}` }
+ }
+
+ private generateResetPasswordKey (userId: number) {
+ return 'reset-password-' + userId
+ }
+
+ private generateVerifyEmailKey (userId: number) {
+ return 'verify-email-' + userId
+ }
+
+ private generateIPViewKey (ip: string, videoUUID: string) {
+ return `views-${videoUUID}-${ip}`
+ }
+
+ private generateIPViewerKey (ip: string, videoUUID: string) {
+ return `viewer-${videoUUID}-${ip}`
+ }
+
+ private generateTrackerBlockIPKey (ip: string) {
+ return `tracker-block-ip-${ip}`
+ }
+
+ private generateContactFormKey (ip: string) {
+ return 'contact-form-' + ip
+ }
+
+ /* ************ Redis helpers ************ */
+