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* 🛡️ fix: Block SSRF via user-provided baseURL in endpoint initialization User-provided baseURL values (when endpoint is configured with `user_provided`) were passed through to the OpenAI SDK without validation. Combined with `directEndpoint`, this allowed arbitrary server-side requests to internal/metadata URLs. Adds `validateEndpointURL` that checks against known SSRF targets and DNS-resolves hostnames to block private IPs. Applied in both custom and OpenAI endpoint initialization paths. * 🧪 test: Add validateEndpointURL SSRF tests Covers unparseable URLs, localhost, private IPs, link-local/metadata, internal Docker/K8s hostnames, DNS resolution to private IPs, and legitimate public URLs. * 🛡️ fix: Add protocol enforcement and import order fix - Reject non-HTTP/HTTPS schemes (ftp://, file://, data:, etc.) in validateEndpointURL before SSRF hostname checks - Document DNS rebinding limitation and fail-open semantics in JSDoc - Fix import order in custom/initialize.ts per project conventions * 🧪 test: Expand SSRF validation coverage and add initializer integration tests Unit tests for validateEndpointURL: - Non-HTTP/HTTPS schemes (ftp, file, data) - IPv6 loopback, link-local, and unique-local addresses - .local and .internal TLD hostnames - DNS fail-open path (lookup failure allows request) Integration tests for initializeCustom and initializeOpenAI: - Guard fires when userProvidesURL is true - Guard skipped when URL is system-defined or falsy - SSRF rejection propagates and prevents getOpenAIConfig call * 🐛 fix: Correct broken env restore in OpenAI initialize spec process.env was captured by reference, not by value, making the restore closure a no-op. Snapshot individual env keys before mutation so they can be properly restored after each test. * 🛡️ fix: Throw structured ErrorTypes for SSRF base URL validation Replace plain-string Error throws in validateEndpointURL with JSON-structured errors using type 'invalid_base_url' (matching new ErrorTypes.INVALID_BASE_URL enum value). This ensures the client-side Error component can look up a localized message instead of falling through to the raw-text default. Changes across workspaces: - data-provider: add INVALID_BASE_URL to ErrorTypes enum - packages/api: throwInvalidBaseURL helper emits structured JSON - client: add errorMessages entry and localization key - tests: add structured JSON format assertion * 🧹 refactor: Use ErrorTypes enum key in Error.tsx for consistency Replace bare string literal 'invalid_base_url' with computed property [ErrorTypes.INVALID_BASE_URL] to match every other entry in the errorMessages map. |
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