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import express from 'express'
import { body, param, query } from 'express-validator'
import { arrayify } from '@shared/core-utils'
import { FollowState } from '@shared/models'
import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
import { areValidActorHandles, isValidActorHandle } from '../../helpers/custom-validators/activitypub/actor'
import { WEBSERVER } from '../../initializers/constants'
import { ActorFollowModel } from '../../models/actor/actor-follow'
import { areValidationErrors } from './shared'
const userSubscriptionListValidator = [
query('search')
.optional()
.not().isEmpty(),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
return next()
}
]
const userSubscriptionAddValidator = [
body('uri')
.custom(isValidActorHandle).withMessage('Should have a valid URI to follow (username@domain)'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
return next()
}
]
const areSubscriptionsExistValidator = [
query('uris')
.customSanitizer(arrayify)
.custom(areValidActorHandles).withMessage('Should have a valid array of URIs'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
return next()
}
]
const userSubscriptionGetValidator = [
param('uri')
.custom(isValidActorHandle),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
if (!await doesSubscriptionExist({ uri: req.params.uri, res, state: 'accepted' })) return
return next()
}
]
const userSubscriptionDeleteValidator = [
param('uri')
.custom(isValidActorHandle),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
if (!await doesSubscriptionExist({ uri: req.params.uri, res })) return
return next()
}
]
// ---------------------------------------------------------------------------
export {
areSubscriptionsExistValidator,
userSubscriptionListValidator,
userSubscriptionAddValidator,
userSubscriptionGetValidator,
userSubscriptionDeleteValidator
}
// ---------------------------------------------------------------------------
async function doesSubscriptionExist (options: {
uri: string
res: express.Response
state?: FollowState
}) {
const { uri, res, state } = options
let [ name, host ] = uri.split('@')
if (host === WEBSERVER.HOST) host = null
const user = res.locals.oauth.token.User
const subscription = await ActorFollowModel.loadByActorAndTargetNameAndHostForAPI({
actorId: user.Account.Actor.id,
targetName: name,
targetHost: host,
state
})
if (!subscription?.ActorFollowing.VideoChannel) {
res.fail({
status: HttpStatusCode.NOT_FOUND_404,
message: `Subscription ${uri} not found.`
})
return false
}
res.locals.subscription = subscription
return true
}
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