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check token permissions in admin/accounts/create.ts

This commit is contained in:
Hazelnoot 2024-11-01 10:12:28 -04:00
parent 37ff2bb0ca
commit ade801ec58
1 changed files with 46 additions and 11 deletions
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57
packages/backend/src/server/api/endpoints/admin/accounts/create.ts
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@ -5,13 +5,14 @@
import { Injectable } from '@nestjs/common';
import { Endpoint } from '@/server/api/endpoint-base.js';
import { MiUser } from '@/models/_.js';
import { MiAccessToken, MiUser } from '@/models/_.js';
import { SignupService } from '@/core/SignupService.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { InstanceActorService } from '@/core/InstanceActorService.js';
import { localUsernameSchema, passwordSchema } from '@/models/User.js';
import { Packed } from '@/misc/json-schema.js';
import { RoleService } from '@/core/RoleService.js';
import { ApiError } from '@/server/api/error.js';
export const meta = {
tags: ['admin'],
@ -27,6 +28,35 @@ export const meta = {
},
},
},
errors: {
// From ApiCallService.ts
noCredential: {
message: 'Credential required.',
code: 'CREDENTIAL_REQUIRED',
id: '1384574d-a912-4b81-8601-c7b1c4085df1',
httpStatusCode: 401,
},
noAdmin: {
message: 'You are not assigned to an administrator role.',
code: 'ROLE_PERMISSION_DENIED',
kind: 'permission',
id: 'c3d38592-54c0-429d-be96-5636b0431a61',
},
noPermission: {
message: 'Your app does not have the necessary permissions to use this endpoint.',
code: 'PERMISSION_DENIED',
kind: 'permission',
id: '1370e5b7-d4eb-4566-bb1d-7748ee6a1838',
},
},
// Required token permissions, but we need to check them manually.
// ApiCallService checks access in a way that would prevent creating the first account.
softPermissions: [
'write:admin:account',
'write:admin:approve-user',
],
} as const;
export const paramDef = {
@ -46,10 +76,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
private signupService: SignupService,
private instanceActorService: InstanceActorService,
) {
super(meta, paramDef, async (ps, _me) => {
if (!await this.canCreate(_me)) {
throw new Error('access denied');
}
super(meta, paramDef, async (ps, _me, token) => {
await this.ensurePermissions(_me, token);
const { account, secret } = await this.signupService.signup({
username: ps.username,
@ -69,13 +97,20 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
});
}
private async canCreate(me: MiUser | null): Promise<boolean> {
// Allow the first user to be created without authentication, as part of normal setup flow
if (!me) {
return !await this.instanceActorService.realLocalUsersPresent();
private async ensurePermissions(me: MiUser | null, token: MiAccessToken | null): Promise<void> {
// Tokens have scoped permissions which may be *less* than the user's official role, so we need to check.
if (token && !meta.softPermissions.every(p => token.permission.includes(p))) {
throw new ApiError(meta.errors.noPermission);
}
// Administrators (including root) can always create users
return await this.roleService.isAdministrator(me);
// Only administrators (including root) can create users.
if (me && !await this.roleService.isAdministrator(me)) {
throw new ApiError(meta.errors.noAdmin);
}
// Anonymous access is only allowed for initial instance setup.
if (!me && await this.instanceActorService.realLocalUsersPresent()) {
throw new ApiError(meta.errors.noCredential);
}
}
}