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 import { HttpStatusCode } from '../../../shared/core-utils/miscs/http-error-codes'
  13
  14 const blockAccountValidator = [
  15   body('accountName').exists().withMessage('Should have an account name with host'),
  16
  17   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  18     logger.debug('Checking blockAccountByAccountValidator parameters', { parameters: req.body })
  19
  20     if (areValidationErrors(req, res)) return
  21     if (!await doesAccountNameWithHostExist(req.body.accountName, res)) return
  22
  23     const user = res.locals.oauth.token.User
  24     const accountToBlock = res.locals.account
  25
  26     if (user.Account.id === accountToBlock.id) {
  27       res.status(HttpStatusCode.CONFLICT_409)
  28          .json({ error: 'You cannot block yourself.' })
  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(HttpStatusCode.CONFLICT_409)
  83         .json({ error: 'You cannot block your own server.' })
  84     }
  85
  86     const server = await ServerModel.loadOrCreateByHost(host)
  87
  88     res.locals.server = server
  89
  90     return next()
  91   }
  92 ]
  93
  94 const unblockServerByAccountValidator = [
  95   param('host').custom(isHostValid).withMessage('Should have an account name with host'),
  96
  97   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  98     logger.debug('Checking unblockServerByAccountValidator parameters', { parameters: req.params })
  99
 100     if (areValidationErrors(req, res)) return
 101
 102     const user = res.locals.oauth.token.User
 103     if (!await doesUnblockServerExist(user.Account.id, req.params.host, res)) return
 104
 105     return next()
 106   }
 107 ]
 108
 109 const unblockServerByServerValidator = [
 110   param('host').custom(isHostValid).withMessage('Should have an account name with host'),
 111
 112   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 113     logger.debug('Checking unblockServerByServerValidator parameters', { parameters: req.params })
 114
 115     if (areValidationErrors(req, res)) return
 116
 117     const serverActor = await getServerActor()
 118     if (!await doesUnblockServerExist(serverActor.Account.id, req.params.host, res)) return
 119
 120     return next()
 121   }
 122 ]
 123
 124 // ---------------------------------------------------------------------------
 125
 126 export {
 127   blockServerValidator,
 128   blockAccountValidator,
 129   unblockAccountByAccountValidator,
 130   unblockServerByAccountValidator,
 131   unblockAccountByServerValidator,
 132   unblockServerByServerValidator
 133 }
 134
 135 // ---------------------------------------------------------------------------
 136
 137 async function doesUnblockAccountExist (accountId: number, targetAccountId: number, res: express.Response) {
 138   const accountBlock = await AccountBlocklistModel.loadByAccountAndTarget(accountId, targetAccountId)
 139   if (!accountBlock) {
 140     res.status(HttpStatusCode.NOT_FOUND_404)
 141        .json({ error: 'Account block entry not found.' })
 142
 143     return false
 144   }
 145
 146   res.locals.accountBlock = accountBlock
 147
 148   return true
 149 }
 150
 151 async function doesUnblockServerExist (accountId: number, host: string, res: express.Response) {
 152   const serverBlock = await ServerBlocklistModel.loadByAccountAndHost(accountId, host)
 153   if (!serverBlock) {
 154     res.status(HttpStatusCode.NOT_FOUND_404)
 155        .json({ error: 'Server block entry not found.' })
 156
 157     return false
 158   }
 159
 160   res.locals.serverBlock = serverBlock
 161
 162   return true
 163 }