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BUSINESS POSTURE

  • Business Priorities and Goals:

  • Enable developers to build cross-platform desktop applications using Kotlin and a modern declarative UI framework.

  • Provide a productive and efficient development experience for desktop application development, leveraging existing Kotlin and JVM ecosystem knowledge.

  • Offer a cross-platform solution to reach users on Windows, macOS, and Linux from a single codebase.

  • Foster a vibrant community around Kotlin desktop development.

  • Reduce the cost and complexity of developing and maintaining desktop applications across multiple platforms.

  • Most Important Business Risks:

  • Adoption risk: Developers may not adopt Compose for Desktop if it lacks features, has performance issues, or is not well-supported.

  • Platform compatibility risk: Changes in underlying operating systems or JVM versions could break compatibility and require significant rework.

  • Security vulnerabilities in the framework itself could impact all applications built with it.

  • Ecosystem maturity risk: The ecosystem of libraries and tools around Compose for Desktop might be less mature compared to established desktop UI frameworks.

  • Dependency risk: Reliance on JetBrains for the framework's development and maintenance.

SECURITY POSTURE

  • Existing Security Controls:

  • security control: Code hosted on GitHub, leveraging GitHub's security features for repository access control and vulnerability scanning. Implemented: GitHub repository settings and GitHub security features.

  • security control: Open-source project, allowing community review and contribution to identify and fix potential security issues. Implemented: Open source nature of the project.

  • security control: Reliance on Kotlin and JVM security features. Implemented: Kotlin language and JVM platform security mechanisms.

  • accepted risk: Dependency on third-party libraries and components, which may introduce vulnerabilities. Accepted risk: inherent to software development and dependency management.

  • Recommended Security Controls:

  • security control: Implement automated security scanning (SAST, DAST, dependency scanning) in the CI/CD pipeline.

  • security control: Conduct regular security audits and penetration testing of the framework.

  • security control: Establish a clear vulnerability disclosure and response process.

  • security control: Provide security guidelines and best practices for developers using Compose for Desktop to build secure applications.

  • security control: Implement code signing for released artifacts to ensure integrity and authenticity.

  • Security Requirements:

  • Authentication: Not directly applicable to the framework itself, but applications built with Compose for Desktop will need to implement their own authentication mechanisms if required.

  • Authorization: Similar to authentication, authorization is application-specific and needs to be implemented by developers using the framework.

  • Input Validation: Applications built with Compose for Desktop must implement robust input validation to prevent vulnerabilities like injection attacks. Framework should provide tools and guidance to facilitate secure input handling.

  • Cryptography: Applications may need to use cryptography for data protection. The framework should not impose restrictions on cryptographic libraries and should ideally provide secure defaults or recommendations where applicable (though unlikely for a UI framework).

DESIGN

C4 CONTEXT

flowchart LR
    subgraph "Desktop User"
        U[User]
    end
    center "Compose for Desktop Project"
    subgraph "Developer Environment"
        DEV[Developer]
        JDK[Java Development Kit]
        IDE[Integrated Development Environment]
        BG[Build System (Gradle/Maven)]
        OS_DEV[Operating System (Dev)]
    end
    subgraph "Target Environment"
        OS_TARGET[Operating System (Target - Windows, macOS, Linux)]
    end

    U -->|Uses Desktop Applications built with| center
    DEV -->|Develops Applications using| center
    center -->|Requires| JDK
    center -->|Utilizes| IDE
    center -->|Builds with| BG
    center -->|Runs on| OS_TARGET
    DEV -->|Develops on| OS_DEV
    BG -->|Runs on| OS_DEV
    IDE -->|Runs on| OS_DEV

    linkStyle 0,1,2,3,4,5,6,7,8,9,10,11,12 fill:#f9f,stroke:#333,stroke-width:2px
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  • Context Diagram Elements:
    • Name: User
    • Type: Person
    • Description: End-user who uses desktop applications built with Compose for Desktop.
    • Responsibilities: Uses desktop applications to perform tasks.
    • Security controls: User-managed security of their own devices and accounts.
    • Name: Compose for Desktop Project
    • Type: Software System
    • Description: Kotlin UI framework for building cross-platform desktop applications.
    • Responsibilities: Provides APIs and runtime environment for building desktop UIs, handles UI rendering and platform interactions.
    • Security controls: Framework-level security controls (code security, vulnerability management, secure development practices).
    • Name: Developer
    • Type: Person
    • Description: Software developer who uses Compose for Desktop to build desktop applications.
    • Responsibilities: Writes application code using Compose for Desktop, builds and tests applications.
    • Security controls: Developer workstation security, secure coding practices, access control to development tools and repositories.
    • Name: Java Development Kit (JDK)
    • Type: Software System
    • Description: Java Development Kit required to run and build Compose for Desktop applications.
    • Responsibilities: Provides runtime environment (JVM) and development tools for Java and Kotlin applications.
    • Security controls: JDK security updates and configurations, managed by the developer or target environment.
    • Name: Integrated Development Environment (IDE)
    • Type: Software System
    • Description: IDE (e.g., IntelliJ IDEA) used by developers to write and debug Compose for Desktop applications.
    • Responsibilities: Provides code editing, debugging, and project management features for developers.
    • Security controls: IDE security features, plugins security, access control to IDE and project settings.
    • Name: Build System (Gradle/Maven)
    • Type: Software System
    • Description: Build tools used to compile, package, and distribute Compose for Desktop applications.
    • Responsibilities: Automates the build process, manages dependencies, and creates distributable artifacts.
    • Security controls: Build system configuration security, dependency management security, secure build scripts, access control to build system and repositories.
    • Name: Operating System (Dev)
    • Type: Infrastructure
    • Description: Operating system used by developers for development (Windows, macOS, Linux).
    • Responsibilities: Provides the environment for development tools and build processes.
    • Security controls: Operating system security hardening, patching, and access controls.
    • Name: Operating System (Target - Windows, macOS, Linux)
    • Type: Infrastructure
    • Description: Target operating systems where Compose for Desktop applications are deployed and run.
    • Responsibilities: Provides the runtime environment for deployed applications.
    • Security controls: Operating system security features, application sandboxing, user permissions.

C4 CONTAINER

flowchart LR
    subgraph "Desktop User"
        U[User]
    end
    center "Compose for Desktop Application"
    subgraph "Developer Environment"
        DEV[Developer]
        JDK[Java Development Kit]
        IDE[Integrated Development Environment]
        BG[Build System (Gradle/Maven)]
        OS_DEV[Operating System (Dev)]
    end
    subgraph "Target Environment"
        JVM_TARGET[JVM Runtime]
        UI_FRAMEWORK[Compose UI Framework]
        PLATFORM_INTEGRATION[Platform Integration Layer]
        OS_TARGET[Operating System (Target - Windows, macOS, Linux)]
    end

    U -->|Interacts with| center
    DEV -->|Develops using| center
    center -->|Runs on| JVM_TARGET
    center -->|Utilizes| UI_FRAMEWORK
    center -->|Interacts with| PLATFORM_INTEGRATION
    PLATFORM_INTEGRATION -->|OS APIs| OS_TARGET
    JVM_TARGET -->|Runs on| OS_TARGET
    UI_FRAMEWORK -->|Runs on| JVM_TARGET
    DEV -->|Develops on| OS_DEV
    JDK -->|Runs on| OS_DEV
    IDE -->|Runs on| OS_DEV
    BG -->|Runs on| OS_DEV

    linkStyle 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14 fill:#f9f,stroke:#333,stroke-width:2px
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  • Container Diagram Elements:
    • Name: Compose for Desktop Application
    • Type: Software System
    • Description: A desktop application built using Compose for Desktop framework.
    • Responsibilities: Implements specific application logic and user interface using Compose for Desktop APIs.
    • Security controls: Application-level security controls (authentication, authorization, input validation, secure data handling), leveraging framework security features and best practices.
    • Name: JVM Runtime
    • Type: Container
    • Description: Java Virtual Machine that executes Compose for Desktop applications.
    • Responsibilities: Provides runtime environment, memory management, and execution of Kotlin/Java bytecode.
    • Security controls: JVM security features (sandbox, security manager - though often deprecated, security updates), configured by the application packager or target environment.
    • Name: Compose UI Framework
    • Type: Container
    • Description: The core UI framework of Compose for Desktop, providing declarative UI APIs and rendering engine.
    • Responsibilities: Manages UI components, layout, rendering, and event handling.
    • Security controls: Framework-level security controls (input sanitization in UI components, protection against UI-related vulnerabilities), developed and maintained by JetBrains.
    • Name: Platform Integration Layer
    • Type: Container
    • Description: Layer that bridges the gap between the Compose UI Framework and the underlying operating system.
    • Responsibilities: Handles platform-specific UI elements, window management, input events, and access to OS APIs.
    • Security controls: Secure interaction with OS APIs, input validation for platform-specific events, managed by the framework developers.
    • Name: Operating System (Target - Windows, macOS, Linux)
    • Type: Infrastructure
    • Description: Target operating systems where the application runs.
    • Responsibilities: Provides system resources, OS APIs, and security features for applications.
    • Security controls: OS-level security features (sandboxing, permissions, access control), managed by the user or organization deploying the application.
    • Name: Developer, JDK, IDE, Build System (Gradle/Maven), Operating System (Dev), User - same as in C4 Context diagram.

DEPLOYMENT

  • Deployment Architecture:
  • For desktop applications built with Compose for Desktop, the typical deployment architecture involves packaging the application as a standalone executable or installer for each target operating system (Windows, macOS, Linux).
flowchart LR
    subgraph "User's Desktop Environment"
        APP_INSTALL[Installed Application]
        OS_USER[Operating System (User)]
        HARDWARE[User Hardware]
    end
    subgraph "Distribution Platform (Optional)"
        DIST_PLATFORM[Application Store/Website]
        WEB_SERVER[Web Server]
    end
    subgraph "Developer Environment"
        BUILD_ARTIFACTS[Build Artifacts (Executables, Installers)]
        BUILD_SYSTEM[Build System]
    end

    APP_INSTALL -->|Runs on| OS_USER
    OS_USER -->|Runs on| HARDWARE
    DIST_PLATFORM -->|Distributes| BUILD_ARTIFACTS
    WEB_SERVER -->|Hosts| BUILD_ARTIFACTS
    BUILD_SYSTEM -->|Produces| BUILD_ARTIFACTS
    BUILD_ARTIFACTS -->|Installed via| APP_INSTALL

    linkStyle 0,1,2,3,4,5,6 fill:#f9f,stroke:#333,stroke-width:2px
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  • Deployment Diagram Elements:
    • Name: Installed Application
    • Type: Software Instance
    • Description: Instance of the Compose for Desktop application installed on the user's machine.
    • Responsibilities: Executes application logic, interacts with the user, and utilizes system resources.
    • Security controls: Application-level security controls, OS-level sandboxing and permissions, user-managed security settings.
    • Name: Operating System (User)
    • Type: Infrastructure
    • Description: User's desktop operating system (Windows, macOS, Linux).
    • Responsibilities: Provides runtime environment for the application, manages system resources, and enforces security policies.
    • Security controls: OS security features (firewall, antivirus, user account control, sandboxing), managed by the user.
    • Name: User Hardware
    • Type: Infrastructure
    • Description: Physical hardware (computer) where the application is installed and run.
    • Responsibilities: Provides computing resources for the application.
    • Security controls: Physical security of the hardware, hardware-level security features (TPM, secure boot).
    • Name: Distribution Platform (Optional)
    • Type: Software System
    • Description: Optional platform like an application store or developer's website used to distribute the application.
    • Responsibilities: Hosts and distributes application installers or executables.
    • Security controls: Platform security measures (malware scanning, code signing verification, secure distribution channels), managed by the platform provider.
    • Name: Web Server (Optional)
    • Type: Infrastructure
    • Description: Web server hosting application downloads on a developer's website.
    • Responsibilities: Serves application installers or executables to users.
    • Security controls: Web server security hardening, HTTPS, access controls, managed by the application developer/distributor.
    • Name: Build Artifacts (Executables, Installers)
    • Type: File
    • Description: Packaged application executables or installers for different operating systems.
    • Responsibilities: Contain the application code and necessary runtime components for deployment.
    • Security controls: Code signing, integrity checks, secure storage and transfer of artifacts.
    • Name: Build System
    • Type: Software System
    • Description: System used to build and package the application.
    • Responsibilities: Compiles code, packages resources, and creates deployment artifacts.
    • Security controls: Build system security, secure build process, access control to build system and artifacts.

BUILD

flowchart LR
    subgraph "Developer Workstation"
        DEV[Developer]
        SOURCE_CODE[Source Code Repository (GitHub)]
    end
    subgraph "Build System (CI/CD)"
        CODE_CHECKOUT[Code Checkout]
        DEPENDENCY_MANAGEMENT[Dependency Management]
        COMPILE_BUILD[Compile & Build]
        SECURITY_SCANS[Security Scans (SAST, Dependency Check)]
        TESTING[Automated Testing]
        ARTIFACT_PUBLISH[Artifact Publish (Repository/Distribution)]
    end

    DEV -->|Code Commit| SOURCE_CODE
    SOURCE_CODE --> CODE_CHECKOUT
    CODE_CHECKOUT --> DEPENDENCY_MANAGEMENT
    DEPENDENCY_MANAGEMENT --> COMPILE_BUILD
    COMPILE_BUILD --> SECURITY_SCANS
    SECURITY_SCANS --> TESTING
    TESTING --> ARTIFACT_PUBLISH

    linkStyle 0,1,2,3,4,5,6,7 fill:#f9f,stroke:#333,stroke-width:2px
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  • Build Process Elements:
    • Name: Developer
    • Type: Person
    • Description: Software developer writing and committing code.
    • Responsibilities: Writes application code, performs initial local testing, commits code to repository.
    • Security controls: Developer workstation security, secure coding practices, code review.
    • Name: Source Code Repository (GitHub)
    • Type: Software System
    • Description: Version control system (GitHub) hosting the project's source code.
    • Responsibilities: Stores and manages source code, tracks changes, facilitates collaboration.
    • Security controls: Access control, branch protection, audit logs, vulnerability scanning (GitHub Advanced Security).
    • Name: Code Checkout
    • Type: Build Process Step
    • Description: Step in the CI/CD pipeline that retrieves the latest code from the source code repository.
    • Responsibilities: Ensures the build process uses the correct version of the code.
    • Security controls: Secure connection to the repository, access control to repository credentials.
    • Name: Dependency Management
    • Type: Build Process Step
    • Description: Step that resolves and downloads project dependencies (libraries, frameworks).
    • Responsibilities: Manages project dependencies, ensures consistent builds.
    • Security controls: Dependency vulnerability scanning, dependency pinning, using trusted dependency repositories.
    • Name: Compile & Build
    • Type: Build Process Step
    • Description: Step that compiles the source code and builds the application artifacts.
    • Responsibilities: Transforms source code into executable code, packages resources.
    • Security controls: Secure build environment, compiler security, build process isolation.
    • Name: Security Scans (SAST, Dependency Check)
    • Type: Build Process Step
    • Description: Automated security scans performed during the build process, including Static Application Security Testing (SAST) and dependency vulnerability checks.
    • Responsibilities: Identifies potential security vulnerabilities in the code and dependencies.
    • Security controls: SAST tool configuration, dependency vulnerability database updates, automated reporting of findings.
    • Name: Testing
    • Type: Build Process Step
    • Description: Automated testing (unit, integration, UI tests) performed to ensure application quality and functionality.
    • Responsibilities: Verifies application functionality and stability.
    • Security controls: Security-focused tests (e.g., fuzzing, security integration tests), test environment security.
    • Name: Artifact Publish (Repository/Distribution)
    • Type: Build Process Step
    • Description: Step that publishes the built application artifacts to a repository or distribution platform.
    • Responsibilities: Makes build artifacts available for deployment and distribution.
    • Security controls: Secure artifact repository, access control to artifacts, code signing of artifacts, secure transfer of artifacts.

RISK ASSESSMENT

  • Critical Business Processes:

  • Development and distribution of desktop applications using Compose for Desktop.

  • Reliance on applications built with Compose for Desktop for various user tasks (depending on the specific applications built).

  • Data to Protect and Sensitivity:

  • Source code of Compose for Desktop framework (intellectual property, potential vulnerabilities). Sensitivity: High.

  • Build artifacts of Compose for Desktop framework (potential for tampering, malware injection). Sensitivity: Medium to High.

  • Applications built using Compose for Desktop and their data (sensitivity depends on the specific application). Sensitivity: Varies, potentially High depending on the application.

  • User data processed by applications built with Compose for Desktop (privacy, confidentiality, integrity). Sensitivity: Varies, potentially High depending on the application.

QUESTIONS & ASSUMPTIONS

  • Questions:

  • What is the intended audience for applications built with Compose for Desktop (internal users, public users, specific industries)?

  • What are the typical use cases and functionalities of applications built with Compose for Desktop?

  • Are there any specific regulatory compliance requirements for applications built with Compose for Desktop (e.g., GDPR, HIPAA, PCI DSS)?

  • What is the expected lifespan and maintenance plan for applications built with Compose for Desktop?

  • Are there any specific performance or scalability requirements for applications built with Compose for Desktop?

  • Assumptions:

  • Applications built with Compose for Desktop will handle user data and potentially sensitive information.

  • Security is a relevant concern for applications built with Compose for Desktop and the framework itself.

  • Developers using Compose for Desktop are expected to follow secure coding practices.

  • Deployment of applications built with Compose for Desktop will be to standard desktop operating systems (Windows, macOS, Linux).

  • The build process will involve standard CI/CD practices and tools.