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