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          .send({ error: 'You cannot block yourself.' })
  28          .end()
  29
  30       return
  31     }
  32
  33     return next()
  34   }
  35 ]
  36
  37 const unblockAccountByAccountValidator = [
  38   param('accountName').exists().withMessage('Should have an account name with host'),
  39
  40   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  41     logger.debug('Checking unblockAccountByAccountValidator parameters', { parameters: req.params })
  42
  43     if (areValidationErrors(req, res)) return
  44     if (!await doesAccountNameWithHostExist(req.params.accountName, res)) return
  45
  46     const user = res.locals.oauth.token.User
  47     const targetAccount = res.locals.account
  48     if (!await doesUnblockAccountExist(user.Account.id, targetAccount.id, res)) return
  49
  50     return next()
  51   }
  52 ]
  53
  54 const unblockAccountByServerValidator = [
  55   param('accountName').exists().withMessage('Should have an account name with host'),
  56
  57   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  58     logger.debug('Checking unblockAccountByServerValidator parameters', { parameters: req.params })
  59
  60     if (areValidationErrors(req, res)) return
  61     if (!await doesAccountNameWithHostExist(req.params.accountName, res)) return
  62
  63     const serverActor = await getServerActor()
  64     const targetAccount = res.locals.account
  65     if (!await doesUnblockAccountExist(serverActor.Account.id, targetAccount.id, res)) return
  66
  67     return next()
  68   }
  69 ]
  70
  71 const blockServerValidator = [
  72   body('host').custom(isHostValid).withMessage('Should have a valid host'),
  73
  74   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  75     logger.debug('Checking serverGetValidator parameters', { parameters: req.body })
  76
  77     if (areValidationErrors(req, res)) return
  78
  79     const host: string = req.body.host
  80
  81     if (host === WEBSERVER.HOST) {
  82       return res.status(409)
  83         .send({ error: 'You cannot block your own server.' })
  84         .end()
  85     }
  86
  87     const server = await ServerModel.loadOrCreateByHost(host)
  88
  89     res.locals.server = server
  90
  91     return next()
  92   }
  93 ]
  94
  95 const unblockServerByAccountValidator = [
  96   param('host').custom(isHostValid).withMessage('Should have an account name with host'),
  97
  98   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  99     logger.debug('Checking unblockServerByAccountValidator parameters', { parameters: req.params })
 100
 101     if (areValidationErrors(req, res)) return
 102
 103     const user = res.locals.oauth.token.User
 104     if (!await doesUnblockServerExist(user.Account.id, req.params.host, res)) return
 105
 106     return next()
 107   }
 108 ]
 109
 110 const unblockServerByServerValidator = [
 111   param('host').custom(isHostValid).withMessage('Should have an account name with host'),
 112
 113   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 114     logger.debug('Checking unblockServerByServerValidator parameters', { parameters: req.params })
 115
 116     if (areValidationErrors(req, res)) return
 117
 118     const serverActor = await getServerActor()
 119     if (!await doesUnblockServerExist(serverActor.Account.id, req.params.host, res)) return
 120
 121     return next()
 122   }
 123 ]
 124
 125 // ---------------------------------------------------------------------------
 126
 127 export {
 128   blockServerValidator,
 129   blockAccountValidator,
 130   unblockAccountByAccountValidator,
 131   unblockServerByAccountValidator,
 132   unblockAccountByServerValidator,
 133   unblockServerByServerValidator
 134 }
 135
 136 // ---------------------------------------------------------------------------
 137
 138 async function doesUnblockAccountExist (accountId: number, targetAccountId: number, res: express.Response) {
 139   const accountBlock = await AccountBlocklistModel.loadByAccountAndTarget(accountId, targetAccountId)
 140   if (!accountBlock) {
 141     res.status(404)
 142        .send({ error: 'Account block entry not found.' })
 143        .end()
 144
 145     return false
 146   }
 147
 148   res.locals.accountBlock = accountBlock
 149
 150   return true
 151 }
 152
 153 async function doesUnblockServerExist (accountId: number, host: string, res: express.Response) {
 154   const serverBlock = await ServerBlocklistModel.loadByAccountAndHost(accountId, host)
 155   if (!serverBlock) {
 156     res.status(404)
 157        .send({ error: 'Server block entry not found.' })
 158        .end()
 159
 160     return false
 161   }
 162
 163   res.locals.serverBlock = serverBlock
 164
 165   return true
 166 }