server/middlewares/validators/blocklist.ts

   1 import * as express from 'express'
   2 import { body, param } from 'express-validator'
   3 import { getServerActor } from '@server/models/application/application'
   4 import { HttpStatusCode } from '../../../shared/core-utils/miscs/http-error-codes'
   5 import { isHostValid } from '../../helpers/custom-validators/servers'
   6 import { logger } from '../../helpers/logger'
   7 import { WEBSERVER } from '../../initializers/constants'
   8 import { AccountBlocklistModel } from '../../models/account/account-blocklist'
   9 import { ServerModel } from '../../models/server/server'
  10 import { ServerBlocklistModel } from '../../models/server/server-blocklist'
  11 import { areValidationErrors, doesAccountNameWithHostExist } from './shared'
  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.fail({
  27         status: HttpStatusCode.CONFLICT_409,
  28         message: '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.fail({
  83         status: HttpStatusCode.CONFLICT_409,
  84         message: 'You cannot block your own server.'
  85       })
  86     }
  87
  88     const server = await ServerModel.loadOrCreateByHost(host)
  89
  90     res.locals.server = server
  91
  92     return next()
  93   }
  94 ]
  95
  96 const unblockServerByAccountValidator = [
  97   param('host').custom(isHostValid).withMessage('Should have an account name with host'),
  98
  99   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 100     logger.debug('Checking unblockServerByAccountValidator parameters', { parameters: req.params })
 101
 102     if (areValidationErrors(req, res)) return
 103
 104     const user = res.locals.oauth.token.User
 105     if (!await doesUnblockServerExist(user.Account.id, req.params.host, res)) return
 106
 107     return next()
 108   }
 109 ]
 110
 111 const unblockServerByServerValidator = [
 112   param('host').custom(isHostValid).withMessage('Should have an account name with host'),
 113
 114   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 115     logger.debug('Checking unblockServerByServerValidator parameters', { parameters: req.params })
 116
 117     if (areValidationErrors(req, res)) return
 118
 119     const serverActor = await getServerActor()
 120     if (!await doesUnblockServerExist(serverActor.Account.id, req.params.host, res)) return
 121
 122     return next()
 123   }
 124 ]
 125
 126 // ---------------------------------------------------------------------------
 127
 128 export {
 129   blockServerValidator,
 130   blockAccountValidator,
 131   unblockAccountByAccountValidator,
 132   unblockServerByAccountValidator,
 133   unblockAccountByServerValidator,
 134   unblockServerByServerValidator
 135 }
 136
 137 // ---------------------------------------------------------------------------
 138
 139 async function doesUnblockAccountExist (accountId: number, targetAccountId: number, res: express.Response) {
 140   const accountBlock = await AccountBlocklistModel.loadByAccountAndTarget(accountId, targetAccountId)
 141   if (!accountBlock) {
 142     res.fail({
 143       status: HttpStatusCode.NOT_FOUND_404,
 144       message: 'Account block entry not found.'
 145     })
 146     return false
 147   }
 148
 149   res.locals.accountBlock = accountBlock
 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.fail({
 157       status: HttpStatusCode.NOT_FOUND_404,
 158       message: 'Server block entry not found.'
 159     })
 160     return false
 161   }
 162
 163   res.locals.serverBlock = serverBlock
 164   return true
 165 }