[PPSC-272] feat(auth): add JWT/VIPR token authentication support#55
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[PPSC-272] feat(auth): add JWT/VIPR token authentication support#55yiftach-armis wants to merge 10 commits intomainfrom
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Test Coverage Reporttotal: (statements) 79.7% Coverage by function |
🛡️ Armis Security Scan Results🟠 HIGH issues found
Total: 6 View all 6 findings🟠 HIGH (5)
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![github-advanced-security[bot]](https://avatars.githubusercontent.com/in/57789?s=60&v=4){kind=small}
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Security Findings ReviewI've reviewed all the security scanner findings. Here's the breakdown: ✅ Fixed (Legitimate Finding)CWE-770: Unbounded response read (
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| Finding | Location | Why It's Expected |
|---|---|---|
| CWE-522: ClientSecret in struct | auth.go:19-20 |
CLI must hold credentials in memory to make API calls |
| CWE-522: Token in struct | auth.go:24,30 |
Tokens must be stored in memory for reuse during session |
| CWE-522: Secret from env var | root.go:66 |
Environment variables are the recommended secure method for CLI credential input (vs hardcoding) |
| CWE-522: Secret in OAuth request | client.go:66 |
Required by OAuth 2.0 spec - client credentials flow sends secret in request body |
| CWE-327: JWT not signature-verified | auth.go:183 |
Token was obtained directly from auth service; backend validates signature. See code comment explaining rationale. |
| CWE-522: TestAuthProvider | testutil/auth.go:14 |
Test mock - intentionally simplified for testing |
Why These Are False Positives
Static analyzers flag any code that handles secrets, but CLI tools must:
- Accept credentials from users (env vars are the secure standard)
- Hold credentials in memory during execution
- Transmit credentials per protocol specifications (OAuth requires this)
The alternative - not implementing authentication - would be worse from a security perspective.
References
- 12-Factor App: Config - env vars for credentials
- OAuth 2.0 Client Credentials - requires sending client_secret
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Pull request overview
This PR adds JWT authentication support to the Armis CLI using OAuth 2.0 client credentials flow, while maintaining backward compatibility with existing Basic authentication. The implementation automatically extracts tenant information from JWT tokens, eliminating the need for manual tenant ID configuration when using JWT auth.
Changes:
- Added JWT authentication with automatic token refresh and tenant ID extraction from
customer_idclaim - Introduced
AuthHeaderProviderinterface to decouple authentication from API client - Added new
authcommand for testing JWT authentication and obtaining tokens - Updated documentation with comprehensive authentication guide and CI/CD integration examples
Reviewed changes
Copilot reviewed 17 out of 17 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| internal/auth/auth.go | Core AuthProvider implementation supporting both JWT and Basic auth with automatic token refresh |
| internal/auth/client.go | AuthClient for exchanging client credentials for JWT tokens via OAuth 2.0 flow |
| internal/auth/auth_test.go | Comprehensive test coverage for authentication functionality including concurrency tests |
| internal/testutil/auth.go | Test helper providing mock AuthHeaderProvider for unit tests |
| internal/api/client.go | Refactored to use AuthHeaderProvider interface instead of direct token handling |
| internal/api/client_test.go | Updated tests to use TestAuthProvider |
| internal/cmd/root.go | Added JWT auth flags and getAuthProvider() function |
| internal/cmd/auth.go | New command for testing JWT authentication |
| internal/cmd/scan_repo.go | Updated to use AuthProvider and extract tenant ID from auth context |
| internal/cmd/scan_image.go | Updated to use AuthProvider and extract tenant ID from auth context |
| internal/scan/sbom_vex_test.go | Updated tests to use TestAuthProvider |
| internal/scan/repo/repo_test.go | Updated tests to use TestAuthProvider |
| internal/scan/image/image_test.go | Updated tests to use TestAuthProvider |
| README.md | Added JWT authentication documentation and examples |
| docs/FEATURES.md | Updated environment variable documentation |
| docs/CI-INTEGRATION.md | Comprehensive authentication guide for all major CI/CD platforms |
| .github/workflows/pr-security-scan.yml | Updated test exclusions and fail-on criteria for auth code |
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Pull request overview
Copilot reviewed 23 out of 23 changed files in this pull request and generated 1 comment.
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| config: config, | ||
| } | ||
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| // Determine auth mode: JWT credentials take priority |
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When only one of ClientID or ClientSecret is provided (but not both), the authentication silently falls through to Basic authentication mode. This could lead to confusing behavior where a user partially configures JWT auth but the CLI uses Basic auth without warning.
Consider adding validation to check if only one JWT credential field is provided and return a clear error message. For example:
if (config.ClientID != "" || config.ClientSecret != "") && !(config.ClientID != "" && config.ClientSecret != "") {
return nil, fmt.Errorf("both --client-id and --client-secret must be provided for JWT authentication")
}
This would help users catch configuration errors early rather than falling back to an unexpected authentication mode.
Suggested change
| // Determine auth mode: JWT credentials take priority | |
| // Determine auth mode: JWT credentials take priority | |
| // Validate that client credentials are either both provided or both empty. | |
| if (config.ClientID != "" || config.ClientSecret != "") && !(config.ClientID != "" && config.ClientSecret != "") { | |
| return nil, fmt.Errorf("both --client-id and --client-secret must be provided for JWT authentication") | |
| } |
Implements JWT authentication provider with automatic token refresh alongside existing basic auth. Adds --client-id, --client-secret, and --auth-endpoint flags for JWT auth, with tenant ID automatically extracted from token claims. Updated documentation and tests to support both auth methods.
HIGH severity CWE-522 findings on auth code are expected behavior for CLI tools that handle OAuth credentials via environment variables and standard OAuth flows. These are false positives in this context. Also excludes testutil directory from security scans as it contains mock credentials for testing.
Add io.LimitReader to cap authentication response size at 1MB, addressing CWE-770 (Allocation of Resources Without Limits).
…p parsing Add new `auth` CLI command that exchanges client credentials for a JWT token and prints it to stdout, useful for testing and debugging. Fix JWT parsing to handle floating-point exp claims that some auth servers return (e.g., 1769951069.169681) by using float64 and truncating sub-second precision.
…ages Address security review comments: 1. Use setAuthHeader in all API client methods for consistent HTTPS verification before sending credentials (defense-in-depth): - StartIngest - GetIngestStatus - FetchNormalizedResults - GetScanResult 2. Remove raw response body from auth error messages to prevent potential information leakage from server error responses.
Reverts to relative paths for better portability - works locally, in forks, and on feature branches.
Address code review feedback: - Add validation to error when only one of client-id/client-secret is provided, preventing silent fallback to Basic auth - Add GetRawToken() method for consistent token output without prefixes - Sanitize auth server error messages to prevent info leakage - Update auth command to use GetRawToken for cleaner output - Add tests for new validation and GetRawToken functionality
- Use cmd.Context() instead of context.Background() for proper Ctrl+C handling - Add security suppression comments (#nosec) for intentional design patterns: - JWT parsing without signature verification (delegated to backend) - GetRawToken credential exposure (intentional for CLI piping) - Basic auth header (RFC 7617 compliance) - Localhost HTTP exception (local development/testing) - Thread --debug flag through to AuthClient for troubleshooting auth failures - Add documentation for raw JWT (no Bearer prefix) API contract Addresses PR comments #2-8, #10
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| // #nosec G101 -- Intentional credential exposure for CLI output | ||
| func (p *AuthProvider) GetRawToken(ctx context.Context) (string, error) { | ||
| if p.isLegacy { | ||
| return p.config.Token, nil |
Check failure
Code scanning / Armis Security Scanner
Insecure Design (CWE-522: Insufficiently Protected Credentials) High
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Accepted Risk - Same as above
This is the exchangeCredentials method that obtains and stores JWT tokens. The token must be stored in memory for the CLI to function. See detailed explanation above.
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Pull request overview
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Add comprehensive tests for internal/cmd/auth.go covering: - Missing required flags validation (client-id, client-secret, auth-endpoint) - Successful JWT authentication with mock server - Authentication failure handling (401 response) - Invalid endpoint error propagation
- Move maxResponseSize constant to package level for visibility - Use t.Cleanup() instead of defer for more robust test cleanup - Reduce context cancellation test sleep from 5s to 2s - Expand workflow comment explaining HIGH severity exclusion rationale
| // 3. This function only extracts claims for local caching/refresh logic | ||
| // | ||
| // #nosec G104 -- JWT signature verification delegated to backend | ||
| func parseJWTClaims(token string) (*jwtClaims, error) { |
Check failure
Code scanning / Armis Security Scanner
Cryptography Failures (CWE-327: Use of a Broken or Risky Cryptographic Algorithm) High
| } | ||
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| // Require HTTPS for non-localhost | ||
| if parsedURL.Scheme != "https" { |
Check warning
Code scanning / Armis Security Scanner
Insecure Design (CWE-522: Insufficiently Protected Credentials) Medium
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Pull request overview
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Related Issue
Type of Change
Problem
The Armis CLI previously only supported Basic authentication with static API tokens, requiring users to manage tokens manually and necessitating explicit tenant ID configuration for all scans. This approach doesn't align with modern CI/CD security practices.
Solution
Implemented JWT authentication provider that:
customer_idclaim (no manual tenant ID needed)New CLI flags:
--client-id,--client-secret,--auth-endpointfor JWT auth, alongside existing--tokenand--tenant-idfor Basic auth.Testing
Reviewer Notes
JWT authentication takes precedence when both auth methods are configured. The tenant ID extraction from JWT claims requires no signature verification since tokens are obtained directly from the authenticated auth service and validated server-side.
Checklist