server/middlewares/validators/blocklist.ts

   1 import { body, param } from 'express-validator/check'
   2 import * as express from 'express'
   3 import { logger } from '../../helpers/logger'
   4 import { areValidationErrors } from './utils'
   5 import { doesAccountNameWithHostExist } from '../../helpers/custom-validators/accounts'
   6 import { AccountBlocklistModel } from '../../models/account/account-blocklist'
   7 import { isHostValid } from '../../helpers/custom-validators/servers'
   8 import { ServerBlocklistModel } from '../../models/server/server-blocklist'
   9 import { ServerModel } from '../../models/server/server'
  10 import { getServerActor } from '../../helpers/utils'
  11 import { WEBSERVER } from '../../initializers/constants'
  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.loadByHost(host)
  88     if (!server) {
  89       return res.status(404)
  90                 .send({ error: 'Server host not found.' })
  91                 .end()
  92     }
  93
  94     res.locals.server = server
  95
  96     return next()
  97   }
  98 ]
  99
 100 const unblockServerByAccountValidator = [
 101   param('host').custom(isHostValid).withMessage('Should have an account name with host'),
 102
 103   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 104     logger.debug('Checking unblockServerByAccountValidator parameters', { parameters: req.params })
 105
 106     if (areValidationErrors(req, res)) return
 107
 108     const user = res.locals.oauth.token.User
 109     if (!await doesUnblockServerExist(user.Account.id, req.params.host, res)) return
 110
 111     return next()
 112   }
 113 ]
 114
 115 const unblockServerByServerValidator = [
 116   param('host').custom(isHostValid).withMessage('Should have an account name with host'),
 117
 118   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 119     logger.debug('Checking unblockServerByServerValidator parameters', { parameters: req.params })
 120
 121     if (areValidationErrors(req, res)) return
 122
 123     const serverActor = await getServerActor()
 124     if (!await doesUnblockServerExist(serverActor.Account.id, req.params.host, res)) return
 125
 126     return next()
 127   }
 128 ]
 129
 130 // ---------------------------------------------------------------------------
 131
 132 export {
 133   blockServerValidator,
 134   blockAccountValidator,
 135   unblockAccountByAccountValidator,
 136   unblockServerByAccountValidator,
 137   unblockAccountByServerValidator,
 138   unblockServerByServerValidator
 139 }
 140
 141 // ---------------------------------------------------------------------------
 142
 143 async function doesUnblockAccountExist (accountId: number, targetAccountId: number, res: express.Response) {
 144   const accountBlock = await AccountBlocklistModel.loadByAccountAndTarget(accountId, targetAccountId)
 145   if (!accountBlock) {
 146     res.status(404)
 147        .send({ error: 'Account block entry not found.' })
 148        .end()
 149
 150     return false
 151   }
 152
 153   res.locals.accountBlock = accountBlock
 154
 155   return true
 156 }
 157
 158 async function doesUnblockServerExist (accountId: number, host: string, res: express.Response) {
 159   const serverBlock = await ServerBlocklistModel.loadByAccountAndHost(accountId, host)
 160   if (!serverBlock) {
 161     res.status(404)
 162        .send({ error: 'Server block entry not found.' })
 163        .end()
 164
 165     return false
 166   }
 167
 168   res.locals.serverBlock = serverBlock
 169
 170   return true
 171 }