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Enhance the safety of your software program provide chain with Amazon CodeArtifact package deal group configuration


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Beginning at present, directors of package deal repositories can handle the configuration of a number of packages in a single single place with the brand new AWS CodeArtifact package deal group configuration functionality. A package deal group means that you can outline how packages are up to date by inside builders or from upstream repositories. Now you can permit or block inside builders to publish packages or permit or block upstream updates for a bunch of packages.

CodeArtifact is a completely managed package deal repository service that makes it simple for organizations to securely retailer and share software program packages used for utility growth. You should use CodeArtifact with well-liked construct instruments and package deal managers equivalent to NuGet, Maven, Gradle, npm, yarn, pip, twine, and the Swift Package deal Supervisor.

CodeArtifact helps on-demand importing of packages from public repositories equivalent to npmjs.com, maven.org, and pypi.org. This enables your group’s builders to fetch all their packages from one single supply of reality: your CodeArtifact repository.

Easy functions routinely embrace dozens of packages. Giant enterprise functions may need lots of of dependencies. These packages assist builders velocity up the event and testing course of by offering code that solves frequent programming challenges equivalent to community entry, cryptographic capabilities, or knowledge format manipulation. These packages could be produced by different groups in your group or maintained by third events, equivalent to open supply tasks.

To attenuate the dangers of provide chain assaults, some organizations manually vet the packages which are out there in inside repositories and the builders who’re approved to replace these packages. There are 3 ways to replace a package deal in a repository. Chosen builders in your group would possibly push package deal updates. That is usually the case on your group’s inside packages. Packages may also be imported from upstream repositories. An upstream repository could be one other CodeArtifact repository, equivalent to a company-wide supply of authorized packages or exterior public repositories providing well-liked open supply packages.

Here’s a diagram displaying totally different prospects to show a package deal to your builders.

CodeArtifact Multi Repository

When managing a repository, it’s essential to outline how packages may be downloaded and up to date. Permitting package deal set up or updates from exterior upstream repositories exposes your group to typosquatting or dependency confusion assaults, for instance. Think about a nasty actor publishing a malicious model of a well known package deal underneath a barely totally different title. For instance, as an alternative of coffee-script, the malicious package deal is cofee-script, with just one “f.” When your repository is configured to permit retrieval from upstream exterior repositories, all it takes is a distracted developer working late at evening to kind npm set up cofee-script as an alternative of npm set up coffee-script to inject malicious code into your techniques.

CodeArtifact defines three permissions for the three potential methods of updating a package deal. Directors can permit or block set up and updates coming from inside publish instructions, from an inside upstream repository, or from an exterior upstream repository.

Till at present, repository directors needed to handle these necessary safety settings package deal by package deal. With at present’s replace, repository directors can outline these three safety parameters for a bunch of packages directly. The packages are recognized by their kind, their namespace, and their title. This new functionality operates on the area degree, not the repository degree. It permits directors to implement a rule for a package deal group throughout all repositories of their area. They don’t have to keep up package deal origin controls configuration in each repository.

Let’s see intimately the way it works
Think about that I handle an inside package deal repository with CodeArtifact and that I need to distribute solely the variations of the AWS SDK for Python, often known as boto3, which were vetted by my group.

I navigate to the CodeArtifact web page within the AWS Administration Console, and I create a python-aws repository that can serve vetted packages to inside builders.

CodeArtifact - Create a repo

This creates a staging repository along with the repository I created. The exterior packages from pypi will first be staged within the pypi-store inside repository, the place I’ll confirm them earlier than serving them to the python-aws repository. Right here is the place my builders will connect with obtain them.

CodeArtifact - Create a repo - package flowBy default, when a developer authenticates in opposition to CodeArtifact and kinds pip set up boto3, CodeArtifact downloads the packages from the general public pypi repository, phases them on pypi-store, and copies them on python-aws.

CodeArtifact - pip installCodeArtifact - list of packages after a pip install

Now, think about I need to block CodeArtifact from fetching package deal updates from the upstream exterior pypi repository. I need python-aws to solely serve packages that I authorized from my pypi-store inside repository.

With the brand new functionality that we launched at present, I can now apply this configuration for a bunch of packages. I navigate to my area and choose the Package deal Teams tab. Then, I choose the Create Package deal Group button.

I enter the Package deal group definition. This expression defines what packages are included on this group. Packages are recognized utilizing a mixture of three elements: package deal format, an elective namespace, and title.

Listed here are a number of examples of patterns that you need to use for every of the allowed mixtures:

  • All package deal codecs: /*
  • A particular package deal format: /npm/*
  • Package deal format and namespace prefix: /maven/com.amazon~
  • Package deal format and namespace: /npm/aws-amplify/*
  • Package deal format, namespace, and title prefix: /npm/aws-amplify/ui~
  • Package deal format, namespace, and title: /maven/org.apache.logging.log4j/log4j-core$

I invite you to learn the documentation to be taught all the probabilities.

In my instance, there isn’t any idea of namespace for Python packages, and I need the group to incorporate all packages with names beginning with boto3 coming from pypi. Subsequently, I write /pypi//boto3~.

CodeArtifact - package group definition

Then, I outline the safety parameters for my package deal group. On this instance, I don’t need my group’s builders to publish updates. I additionally don’t need CodeArtifact to fetch new variations from the exterior upstream repositories. I need to authorize solely package deal updates from my inside staging listing.

I uncheck all Inherit from mum or dad group packing containers. I choose Block for Publish and Exterior upstream. I go away Permit on Inner upstream. Then, I choose Create Package deal Group.

CodeArtifact - package group security configuration

As soon as outlined, builders are unable to put in totally different package deal variations than those approved within the python-aws repository. After I, as a developer, attempt to set up one other model of the boto3 package deal, I obtain an error message. That is anticipated as a result of the newer model of the boto3 package deal will not be out there within the upstream staging repo, and there may be block rule that stops fetching packages or package deal updates from exterior upstream repositories.

Code ARtifact - installation is denied when using a package version not already present in the repository

Equally, let’s think about your administrator desires to guard your group from dependency substitution assaults. All of your inside Python package deal names begin together with your firm title (mycompany). The administrator desires to dam builders for by chance downloading from pypi.org packages that begin with mycompany.

Administrator creates a rule with the sample /pypi//mycompany~ with publish=permit, exterior upstream=block, and inside upstream=block. With this configuration, inside builders or your CI/CD pipeline can publish these packages, however CodeArtifact is not going to import any packages from pypi.org that begin with mycompany, equivalent to mycompany.foo or mycompany.bar. This prevents dependency substitution assaults for these packages.

Package deal teams can be found in all AWS Areas the place CodeArtifact is out there, at no further price. It lets you higher management how packages and package deal updates land in your inside repositories. It helps to stop varied provide chain assaults, equivalent to typosquatting or dependency confusion. It’s one further configuration which you could add at present into your infrastructure-as-code (IaC) instruments to create and handle your CodeArtifact repositories.

Go and configure your first package deal group at present.

— seb





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