Add addEmptyTopLevelPermissions parameter for workflow permissions

[varunsh-coder]

• Added new query parameter addEmptyTopLevelPermissions to control permission handling
• When set to true, adds empty permissions {} at workflow level
• When set to true, includes contents:read at job level even if it's the only permission
• Added tests for the new functionality
• Updated existing tests to handle the new parameter

This allows more flexible control over permission configuration for workflows that need specific empty permission patterns.

[step-security-bot]

Please find StepSecurity AI-CodeWise code comments below.

Code Comments

remediation/workflow/permissions/permissions_test.go

[
    {
        "Severity": "High",
        "Recommendation": "Avoid hardcoding sensitive information in code",
        "Description": "Sensitive information such as file paths, environment variables should not be hardcoded in the code due to security risks.",
        "Remediation": "Store sensitive information (e.g., inputDirectory, outputDirectory) in environment variables or external configuration files."
    },
    {
        "Severity": "Medium",
        "Recommendation": "Validate input before processing",
        "Description": "It is important to validate input data to prevent unexpected behavior or errors.",
        "Remediation": "Implement input validation checks to ensure the validity of the data before processing."
    },
    {
        "Severity": "Medium",
        "Recommendation": "Avoid unnecessary complexity in test functions",
        "Description": "Test functions should focus on testing specific functionality rather than incorporating unnecessary complexity.",
        "Remediation": "Refactor test functions to focus on testing the specific functionality without added complexity."
    },
    {
        "Severity": "Low",
        "Recommendation": "Use constants or enums instead of hardcoded values",
        "Description": "Hardcoded strings such as 'empty-top-level-permissions.yml' should be avoided to improve code maintainability.",
        "Remediation": "Define constants or enums for the file names to improve readability and maintainability."
    }
]

remediation/workflow/secureworkflow_test.go

[]

testfiles/secureworkflow/input/empty-permissions.yml

[]

testfiles/secureworkflow/output/empty-permissions.yml

[
    {
        "Severity": "High",
        "Recommendation": "Avoid hardcoding sensitive information in code",
        "Description": "Sensitive information such as credentials should not be hardcoded in code files, as it poses a security risk.",
        "Remediation": "Store sensitive information in secure storage solutions like secrets management tools or environment variables."
    },
    {
        "Severity": "Medium",
        "Recommendation": "Explicitly define permissions in GitHub Actions",
        "Description": "Explicitly defining permissions in GitHub Actions helps in ensuring proper access control and security.",
        "Remediation": "Define necessary permissions for actions explicitly to control access more effectively."
    },
    {
        "Severity": "Low",
        "Recommendation": "Ensure proper error handling for external calls",
        "Description": "It is important to have proper error handling mechanisms in place for external calls to handle failures gracefully.",
        "Remediation": "Implement appropriate error handling logic to manage failures when making outbound calls."
    }
]

testfiles/toplevelperms/input/empty-permissions.yml

[]

testfiles/toplevelperms/output/empty-permissions.yml

[]

remediation/workflow/permissions/permissions.go

[
    {
        "Severity": "High",
        "Recommendation": "Avoid hardcoding sensitive information in code",
        "Description": "The code contains a hardcoded URL 'https://github.com/step-security/secure-repo'. Hardcoding sensitive information in code can lead to security vulnerabilities.",
        "Remediation": "Store the URL 'https://github.com/step-security/secure-repo' as a configurable parameter or environment variable."
    },
    {
        "Severity": "Medium",
        "Recommendation": "Avoid deprecated or unsafe functions",
        "Description": "The code uses 'strings.Compare' function which is deprecated. Deprecated functions may have vulnerabilities or may be removed in future versions.",
        "Remediation": "Replace 'strings.Compare' with '== operator' for string comparison."
    }
]

remediation/workflow/secureworkflow.go

[
    {
        "Severity": "High",
        "Recommendation": "Avoid using implicit type conversion for boolean values in Go.",
        "Description": "Explicitly convert boolean string to bool type.",
        "Remediation": "addEmptyTopLevelPermissions, _ := strconv.ParseBool(queryStringParams[\"addEmptyTopLevelPermissions\"])",
    },
    {
        "Severity": "Medium",
        "Recommendation": "Use error handling correctly to handle potential errors during conversion.",
        "Description": "Handle error while converting boolean string to bool type.",
        "Remediation": "if err != nil { /* Handle or log the error appropriately */ }",
    },
    {
        "Severity": "Medium",
        "Recommendation": "Avoid hard coding parameter names in code.",
        "Description": "Use constants or variables instead of hard coding parameter names.",
        "Remediation": "const addEmptyTopLevelPermissionsParam = \"addEmptyTopLevelPermissions\"",
    }
]

testfiles/joblevelpermskb/input/empty-top-level-permissions.yml

[]

testfiles/joblevelpermskb/output/empty-top-level-permissions.yml

[
    {
        "Severity": "High",
        "Recommendation": "Ensure proper permissions are set for actions using sensitive information",
        "Description": "Setting correct permissions ensures that sensitive information is accessed and utilized securely.",
        "Remediation": "Modify permissions to only allow necessary access to sensitive resources. This can involve setting read-only access, limiting access to specific directories, or using environment variables for sensitive information."
    },
    {
        "Severity": "Medium",
        "Recommendation": "Handle and sanitize input data to prevent injection attacks",
        "Description": "Input data should always be handled carefully to prevent injection attacks, such as SQL injection or code injection.",
        "Remediation": "Validate and sanitize input data to prevent malicious injections. This can involve using parameterized queries for database access, escaping special characters, or using input validation libraries."
    }
]

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