server/middlewares/validators/blocklist.ts

   1 import { body, param } from 'express-validator'
   2 import * as express from 'express'
   3 import { logger } from '../../helpers/logger'
   4 import { areValidationErrors } from './utils'
   5 import { AccountBlocklistModel } from '../../models/account/account-blocklist'
   6 import { isHostValid } from '../../helpers/custom-validators/servers'
   7 import { ServerBlocklistModel } from '../../models/server/server-blocklist'
   8 import { ServerModel } from '../../models/server/server'
   9 import { WEBSERVER } from '../../initializers/constants'
  10 import { doesAccountNameWithHostExist } from '../../helpers/middlewares'
  11 import { getServerActor } from '@server/models/application/application'
  12
  13 const blockAccountValidator = [
  14   body('accountName').exists().withMessage('Should have an account name with host'),
  15
  16   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  17     logger.debug('Checking blockAccountByAccountValidator parameters', { parameters: req.body })
  18
  19     if (areValidationErrors(req, res)) return
  20     if (!await doesAccountNameWithHostExist(req.body.accountName, res)) return
  21
  22     const user = res.locals.oauth.token.User
  23     const accountToBlock = res.locals.account
  24
  25     if (user.Account.id === accountToBlock.id) {
  26       res.status(409)
  27          .json({ error: 'You cannot block yourself.' })
  28
  29       return
  30     }
  31
  32     return next()
  33   }
  34 ]
  35
  36 const unblockAccountByAccountValidator = [
  37   param('accountName').exists().withMessage('Should have an account name with host'),
  38
  39   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  40     logger.debug('Checking unblockAccountByAccountValidator parameters', { parameters: req.params })
  41
  42     if (areValidationErrors(req, res)) return
  43     if (!await doesAccountNameWithHostExist(req.params.accountName, res)) return
  44
  45     const user = res.locals.oauth.token.User
  46     const targetAccount = res.locals.account
  47     if (!await doesUnblockAccountExist(user.Account.id, targetAccount.id, res)) return
  48
  49     return next()
  50   }
  51 ]
  52
  53 const unblockAccountByServerValidator = [
  54   param('accountName').exists().withMessage('Should have an account name with host'),
  55
  56   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  57     logger.debug('Checking unblockAccountByServerValidator parameters', { parameters: req.params })
  58
  59     if (areValidationErrors(req, res)) return
  60     if (!await doesAccountNameWithHostExist(req.params.accountName, res)) return
  61
  62     const serverActor = await getServerActor()
  63     const targetAccount = res.locals.account
  64     if (!await doesUnblockAccountExist(serverActor.Account.id, targetAccount.id, res)) return
  65
  66     return next()
  67   }
  68 ]
  69
  70 const blockServerValidator = [
  71   body('host').custom(isHostValid).withMessage('Should have a valid host'),
  72
  73   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  74     logger.debug('Checking serverGetValidator parameters', { parameters: req.body })
  75
  76     if (areValidationErrors(req, res)) return
  77
  78     const host: string = req.body.host
  79
  80     if (host === WEBSERVER.HOST) {
  81       return res.status(409)
  82         .json({ error: 'You cannot block your own server.' })
  83     }
  84
  85     const server = await ServerModel.loadOrCreateByHost(host)
  86
  87     res.locals.server = server
  88
  89     return next()
  90   }
  91 ]
  92
  93 const unblockServerByAccountValidator = [
  94   param('host').custom(isHostValid).withMessage('Should have an account name with host'),
  95
  96   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  97     logger.debug('Checking unblockServerByAccountValidator parameters', { parameters: req.params })
  98
  99     if (areValidationErrors(req, res)) return
 100
 101     const user = res.locals.oauth.token.User
 102     if (!await doesUnblockServerExist(user.Account.id, req.params.host, res)) return
 103
 104     return next()
 105   }
 106 ]
 107
 108 const unblockServerByServerValidator = [
 109   param('host').custom(isHostValid).withMessage('Should have an account name with host'),
 110
 111   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 112     logger.debug('Checking unblockServerByServerValidator parameters', { parameters: req.params })
 113
 114     if (areValidationErrors(req, res)) return
 115
 116     const serverActor = await getServerActor()
 117     if (!await doesUnblockServerExist(serverActor.Account.id, req.params.host, res)) return
 118
 119     return next()
 120   }
 121 ]
 122
 123 // ---------------------------------------------------------------------------
 124
 125 export {
 126   blockServerValidator,
 127   blockAccountValidator,
 128   unblockAccountByAccountValidator,
 129   unblockServerByAccountValidator,
 130   unblockAccountByServerValidator,
 131   unblockServerByServerValidator
 132 }
 133
 134 // ---------------------------------------------------------------------------
 135
 136 async function doesUnblockAccountExist (accountId: number, targetAccountId: number, res: express.Response) {
 137   const accountBlock = await AccountBlocklistModel.loadByAccountAndTarget(accountId, targetAccountId)
 138   if (!accountBlock) {
 139     res.status(404)
 140        .json({ error: 'Account block entry not found.' })
 141
 142     return false
 143   }
 144
 145   res.locals.accountBlock = accountBlock
 146
 147   return true
 148 }
 149
 150 async function doesUnblockServerExist (accountId: number, host: string, res: express.Response) {
 151   const serverBlock = await ServerBlocklistModel.loadByAccountAndHost(accountId, host)
 152   if (!serverBlock) {
 153     res.status(404)
 154        .json({ error: 'Server block entry not found.' })
 155
 156     return false
 157   }
 158
 159   res.locals.serverBlock = serverBlock
 160
 161   return true
 162 }