4 files changed, 29 insertions, 15 deletions

diff --git a/client/src/app/+accounts/accounts.component.ts b/client/src/app/+accounts/accounts.component.ts
index 1298803c3..0a52985da 100644
--- a/client/src/app/+accounts/accounts.component.ts
+++ b/client/src/app/+accounts/accounts.component.ts
@@ -16,7 +16,7 @@ export class AccountsComponent implements OnInit {
   ) {}
 
   ngOnInit () {
-    const accountId = parseInt(this.route.snapshot.params['accountId'], 10)
+    const accountId = this.route.snapshot.params['accountId']
 
     this.accountService.getAccount(accountId)
         .subscribe(account => this.account = account)
diff --git a/client/src/app/shared/account/account.service.ts b/client/src/app/shared/account/account.service.ts
index 20e52d946..6b261cf53 100644
--- a/client/src/app/shared/account/account.service.ts
+++ b/client/src/app/shared/account/account.service.ts
@@ -18,7 +18,7 @@ export class AccountService {
     private restExtractor: RestExtractor
   ) {}
 
-  getAccount (id: number): Observable<Account> {
+  getAccount (id: number | string): Observable<Account> {
     return this.authHttp.get<ServerAccount>(AccountService.BASE_ACCOUNT_URL + id)
                .pipe(
                  map(accountHash => new Account(accountHash)),
diff --git a/server/helpers/custom-validators/accounts.ts b/server/helpers/custom-validators/accounts.ts
index cc8641d6b..00dea9039 100644
--- a/server/helpers/custom-validators/accounts.ts
+++ b/server/helpers/custom-validators/accounts.ts
@@ -4,16 +4,21 @@ import 'express-validator'
 import * as validator from 'validator'
 import { AccountModel } from '../../models/account/account'
 import { isUserDescriptionValid, isUserUsernameValid } from './users'
+import { exists } from './misc'
 
 function isAccountNameValid (value: string) {
   return isUserUsernameValid(value)
 }
 
+function isAccountIdValid (value: string) {
+  return exists(value)
+}
+
 function isAccountDescriptionValid (value: string) {
   return isUserDescriptionValid(value)
 }
 
-function isAccountIdExist (id: number | string, res: Response) {
+function isAccountIdExist (id: number | string, res: Response, sendNotFound = true) {
   let promise: Bluebird<AccountModel>
 
   if (validator.isInt('' + id)) {
@@ -22,32 +27,34 @@ function isAccountIdExist (id: number | string, res: Response) {
     promise = AccountModel.loadByUUID('' + id)
   }
 
-  return isAccountExist(promise, res)
+  return isAccountExist(promise, res, sendNotFound)
 }
 
-function isLocalAccountNameExist (name: string, res: Response) {
+function isLocalAccountNameExist (name: string, res: Response, sendNotFound = true) {
   const promise = AccountModel.loadLocalByName(name)
 
-  return isAccountExist(promise, res)
+  return isAccountExist(promise, res, sendNotFound)
 }
 
-function isAccountNameWithHostExist (nameWithDomain: string, res: Response) {
+function isAccountNameWithHostExist (nameWithDomain: string, res: Response, sendNotFound = true) {
   const [ accountName, host ] = nameWithDomain.split('@')
 
   let promise: Bluebird<AccountModel>
   if (!host) promise = AccountModel.loadLocalByName(accountName)
   else promise = AccountModel.loadLocalByNameAndHost(accountName, host)
 
-  return isAccountExist(promise, res)
+  return isAccountExist(promise, res, sendNotFound)
 }
 
-async function isAccountExist (p: Bluebird<AccountModel>, res: Response) {
+async function isAccountExist (p: Bluebird<AccountModel>, res: Response, sendNotFound: boolean) {
   const account = await p
 
   if (!account) {
-    res.status(404)
-      .send({ error: 'Account not found' })
-      .end()
+    if (sendNotFound === true) {
+      res.status(404)
+         .send({ error: 'Account not found' })
+         .end()
+    }
 
     return false
   }
@@ -60,6 +67,7 @@ async function isAccountExist (p: Bluebird<AccountModel>, res: Response) {
 // ---------------------------------------------------------------------------
 
 export {
+  isAccountIdValid,
   isAccountIdExist,
   isLocalAccountNameExist,
   isAccountDescriptionValid,
diff --git a/server/middlewares/validators/account.ts b/server/middlewares/validators/account.ts
index 0c4b7051d..c01e742da 100644
--- a/server/middlewares/validators/account.ts
+++ b/server/middlewares/validators/account.ts
@@ -2,13 +2,14 @@ import * as express from 'express'
 import { param } from 'express-validator/check'
 import {
   isAccountIdExist,
+  isAccountIdValid,
   isAccountNameValid,
   isAccountNameWithHostExist,
   isLocalAccountNameExist
 } from '../../helpers/custom-validators/accounts'
-import { isIdOrUUIDValid } from '../../helpers/custom-validators/misc'
 import { logger } from '../../helpers/logger'
 import { areValidationErrors } from './utils'
+import { isIdOrUUIDValid } from '../../helpers/custom-validators/misc'
 
 const localAccountValidator = [
   param('name').custom(isAccountNameValid).withMessage('Should have a valid account name'),
@@ -24,13 +25,18 @@ const localAccountValidator = [
 ]
 
 const accountsGetValidator = [
-  param('id').custom(isIdOrUUIDValid).withMessage('Should have a valid id'),
+  param('id').custom(isAccountIdValid).withMessage('Should have a valid id/uuid/name/name with host'),
 
   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
     logger.debug('Checking accountsGetValidator parameters', { parameters: req.params })
 
     if (areValidationErrors(req, res)) return
-    if (!await isAccountIdExist(req.params.id, res)) return
+
+    let accountFetched = false
+    if (isIdOrUUIDValid(req.params.id)) accountFetched = await isAccountIdExist(req.params.id, res, false)
+    if (!accountFetched) accountFetched = await isAccountNameWithHostExist(req.params.id, res, true)
+
+    if (!accountFetched) return
 
     return next()
   }