Blog Insights Feature Highlight: Confidential issues
Published on: March 31, 2016
4 min read

Feature Highlight: Confidential issues

Since GitLab 8.6, in both Community and Enterprise edition, there is a small checkbox available when you create or edit an issue, allowing you to mark an issue as confidential.

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Since GitLab 8.6, in both Community and Enterprise edition, there is a small checkbox available when you create or edit an issue, allowing you to mark an issue as confidential.

In some ways it’s a simple feature, but there are complex considerations. The main point is to keep the confidential issues secure. However, taking care of those considerations caused some problems during development which are typical when you develop a feature for a relatively long time (in this case two weeks). We'll look at that in this feature highlight.

About Confidential Issues

In the course of maintaining a project, it may be necessary to keep some information from public view. A typical use case for confidential issues would be a security report. Different projects support different ways to report security issues, so if someone needed to report a security issue, they would have to:

  • Follow the instructions for security vulnerabilities, if there are any.
  • File an issue with their findings and a request to get in contact with the project maintainer.
  • Find other means to contact the maintainer.

In general, most of the projects advise to not use the issue tracker, and instead send an email to a specific email address. As you might imagine before this release we, as an open source project, advised the same security vulnerability disclosure in our contributing guide:

Please report suspected security vulnerabilities in private to [email protected], also see the disclosure section on the GitLab.com website. Please do NOT create publicly viewable issues for suspected security vulnerabilities.

This generated a lot of overhead.

Behind the scenes, when we got a security report email, we would immediately create an issue in our internal issue tracker to discuss possible fixes. So in that case, we needed to keep in track two issues trackers: a public one on GitLab.com and another private. In addition, the process to report a security issue would be more complex than it is now. First, you need to discover how to report the issue, and then report the issue itself.

Now, with Confidential Issues, the reporter can mark an issue as confidential when creating or editing an issue, and only project members can see the issue, as well as those who are assigned to it. As it turns out, the process is considerably easier, since reporters don't need to find how to report security issues anymore, and we don't need to work on two different issue trackers for the vulnerability disclosures.

When an issue is marked as confidential, it is only visible to the team members. It will be hidden from the public view, which means the issue tracker, the activity feed, the milestone views, the auto-complete options, etc. Even if you get a @mention, and you don’t have explicit access to the project, you won't receive any kind of notification (in this case emails, and todos).

Behind the scenes: Resolving merge conflicts as you go

While this is a simple feature, it created an interesting problem, and I'm not talking code-wise.

Because it causes lots of concern about security, we needed to very careful with this. I had the branch open for a relatively long time (about two weeks), and over time, I was running into merge conflicts almost daily. My work was affected by other features being developed at the same time, for example subscribe to labels. This happens very often if you have a merge request open for a long time.

I do try and avoid this when I can. I check everyday if my merge request has conflicts and I resolve these as I work, that is, instead of waiting until the final release to merge.

It also helps a lot to do development with automated tests. As you work in parallel with other developers and constantly update the feature, you can tell if something is going to break.

Normally, you don’t work a long time on issues like this but in this case it was unavoidable due to the security nature of the feature. Again, using tests made this a lot easier.

More about GitLab 8.6

This confidential issues feature is just one of the many recent changes in GitLab. Find out more about our latest release, 8.6 with new improvements and features.

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