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fix: allow user self deletion (#9828)

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# Which Problems Are Solved

Currently, users can't delete themselves using the V2 RemoveUser API
because of the redunant API middleware permission check.

On main, using a machine user PAT to delete the same machine user:

```bash
grpcurl -plaintext -H "Authorization: Bearer ${ZITADEL_ACCESS_TOKEN}" -d '{"userId": "318838604669387137"}' localhost:8080 zitadel.user.v2.UserService.DeleteUser
ERROR:
  Code: NotFound
  Message: membership not found (AUTHZ-cdgFk)
  Details:
  1)	{
    	  "@type": "type.googleapis.com/zitadel.v1.ErrorDetail",
    	  "id": "AUTHZ-cdgFk",
    	  "message": "membership not found"
    	}
```

Same on this PRs branch:

```bash
grpcurl -plaintext -H "Authorization: Bearer ${ZITADEL_ACCESS_TOKEN}" -d '{"userId": "318838604669387137"}' localhost:8080 zitadel.user.v2.UserService.DeleteUser
{
  "details": {
    "sequence": "3",
    "changeDate": "2025-05-06T13:44:54.349048Z",
    "resourceOwner": "318838541083804033"
  }
}
```

Repeated call
```bash
grpcurl -plaintext -H "Authorization: Bearer ${ZITADEL_ACCESS_TOKEN}" -d '{"userId": "318838604669387137"}' localhost:8080 zitadel.user.v2.UserService.DeleteUser
ERROR:
  Code: Unauthenticated
  Message: Errors.Token.Invalid (AUTH-7fs1e)
  Details:
  1)	{
    	  "@type": "type.googleapis.com/zitadel.v1.ErrorDetail",
    	  "id": "AUTH-7fs1e",
    	  "message": "Errors.Token.Invalid"
    	}
```

# How the Problems Are Solved

The middleware permission check is disabled and the
domain.PermissionCheck is used exclusively.

# Additional Changes

A new type command.PermissionCheck allows to optionally accept a
permission check for commands, so APIs with middleware permission checks
can omit redundant permission checks by passing nil while APIs without
middleware permission checks can pass one to the command.

# Additional Context

This is a subtask of #9763

---------

Co-authored-by: Livio Spring <livio.a@gmail.com>
This commit is contained in:
Elio Bischof
2025-05-07 15:24:24 +02:00
committed by GitHub
parent 0d7d4e6af0
commit 898366c537
9 changed files with 459 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
internal/command/user_v2_invite.go
View File

@@ -73,12 +73,12 @@ func (c *Commands) ResendInviteCode(ctx context.Context, userID, resourceOwner,
if err != nil {
return nil, err
}
if err := c.checkPermissionUpdateUser(ctx, existingCode.ResourceOwner, userID); err != nil {
return nil, err
}
if !existingCode.UserState.Exists() {
return nil, zerrors.ThrowPreconditionFailed(nil, "COMMAND-H3b2a", "Errors.User.NotFound")
}
if err := c.checkPermissionUpdateUser(ctx, existingCode.ResourceOwner, userID); err != nil {
return nil, err
}
if !existingCode.CreationAllowed() {
return nil, zerrors.ThrowPreconditionFailed(nil, "COMMAND-Gg42s", "Errors.User.AlreadyInitialised")
}