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Claude-Code-Workflow/ccw/docs/SECURITY.md
catlog22 09d99abee6 Issue Queue: issue-exec-20260106-160325 (#52) 
* feat(security): Secure dashboard server by default

## Solution Summary
- Solution-ID: SOL-DSC-002-1
- Issue-ID: DSC-002

## Tasks Completed
- [T1] JWT token manager (24h expiry, persisted secret/token)
- [T2] API auth middleware + localhost token endpoint
- [T3] Default bind 127.0.0.1, add --host with warning
- [T4] Localhost-only CORS with credentials + Vary
- [T5] SECURITY.md documentation + README link

## Verification
- npm run build
- npm test -- ccw/tests/token-manager.test.ts ccw/tests/middleware.test.ts ccw/tests/server-auth.integration.test.ts ccw/tests/server.test.ts ccw/tests/cors.test.ts

* fix(security): Prevent command injection in Windows spawn()

## Solution Summary
- **Solution-ID**: SOL-DSC-001-1
- **Issue-ID**: DSC-001
- **Risk/Impact/Complexity**: high/high/medium

## Tasks Completed
- [T1] Create Windows shell escape utility
- [T2] Escape cli-executor spawn() args on Windows
- [T3] Add command injection regression tests

## Files Modified
- ccw/src/utils/shell-escape.ts
- ccw/src/tools/cli-executor.ts
- ccw/tests/shell-escape.test.ts
- ccw/tests/security/command-injection.test.ts

## Verification
- npm run build
- npm test -- ccw/tests/shell-escape.test.ts ccw/tests/security/command-injection.test.ts

* fix(security): Harden path validation (DSC-005)

## Solution Summary
- Solution-ID: SOL-DSC-005-1
- Issue-ID: DSC-005

## Tasks Completed
- T1: Refactor path validation to pre-resolution checking
- T2: Implement allowlist-based path validation
- T3: Add path validation to API routes
- T4: Add path security regression tests

## Files Modified
- ccw/src/utils/path-resolver.ts
- ccw/src/utils/path-validator.ts
- ccw/src/core/routes/graph-routes.ts
- ccw/src/core/routes/files-routes.ts
- ccw/src/core/routes/skills-routes.ts
- ccw/tests/path-resolver.test.ts
- ccw/tests/graph-routes.test.ts
- ccw/tests/files-routes.test.ts
- ccw/tests/skills-routes.test.ts
- ccw/tests/security/path-traversal.test.ts

## Verification
- npm run build
- npm test -- path-resolver.test.ts
- npm test -- path-validator.test.ts
- npm test -- graph-routes.test.ts
- npm test -- files-routes.test.ts
- npm test -- skills-routes.test.ts
- npm test -- ccw/tests/security/path-traversal.test.ts

* fix(security): Prevent credential leakage (DSC-004)

## Solution Summary
- Solution-ID: SOL-DSC-004-1
- Issue-ID: DSC-004

## Tasks Completed
- T1: Create credential handling security tests
- T2: Add log sanitization tests
- T3: Add env var leakage prevention tests
- T4: Add secure storage tests

## Files Modified
- ccw/src/config/litellm-api-config-manager.ts
- ccw/src/core/routes/litellm-api-routes.ts
- ccw/tests/security/credential-handling.test.ts

## Verification
- npm run build
- node --experimental-strip-types --test ccw/tests/security/credential-handling.test.ts

* test(ranking): expand normalize_weights edge case coverage (ISS-1766920108814-0)

## Solution Summary
- Solution-ID: SOL-20251228113607
- Issue-ID: ISS-1766920108814-0

## Tasks Completed
- T1: Fix NaN and invalid total handling in normalize_weights
- T2: Add unit tests for NaN edge cases in normalize_weights

## Files Modified
- codex-lens/tests/test_rrf_fusion.py

## Verification
- python -m pytest codex-lens/tests/test_rrf_fusion.py::TestNormalizeBM25Score -v
- python -m pytest codex-lens/tests/test_rrf_fusion.py -v -k normalize
- python -m pytest codex-lens/tests/test_rrf_fusion.py::TestReciprocalRankFusion::test_weight_normalization codex-lens/tests/test_cli_hybrid_search.py::TestCLIHybridSearch::test_weights_normalization -v

* feat(security): Add CSRF protection and tighten CORS (DSC-006)

## Solution Summary
- Solution-ID: SOL-DSC-006-1
- Issue-ID: DSC-006
- Risk/Impact/Complexity: high/high/medium

## Tasks Completed
- T1: Create CSRF token generation system
- T2: Add CSRF token endpoints
- T3: Implement CSRF validation middleware
- T4: Restrict CORS to trusted origins
- T5: Add CSRF security tests

## Files Modified
- ccw/src/core/auth/csrf-manager.ts
- ccw/src/core/auth/csrf-middleware.ts
- ccw/src/core/routes/auth-routes.ts
- ccw/src/core/server.ts
- ccw/tests/csrf-manager.test.ts
- ccw/tests/auth-routes.test.ts
- ccw/tests/csrf-middleware.test.ts
- ccw/tests/security/csrf.test.ts

## Verification
- npm run build
- node --experimental-strip-types --test ccw/tests/csrf-manager.test.ts
- node --experimental-strip-types --test ccw/tests/auth-routes.test.ts
- node --experimental-strip-types --test ccw/tests/csrf-middleware.test.ts
- node --experimental-strip-types --test ccw/tests/cors.test.ts
- node --experimental-strip-types --test ccw/tests/security/csrf.test.ts

* fix(cli-executor): prevent stale SIGKILL timeouts

## Solution Summary

- Solution-ID: SOL-DSC-007-1

- Issue-ID: DSC-007

- Risk/Impact/Complexity: low/low/low

## Tasks Completed

- [T1] Store timeout handle in killCurrentCliProcess

## Files Modified

- ccw/src/tools/cli-executor.ts

- ccw/tests/cli-executor-kill.test.ts

## Verification

- node --experimental-strip-types --test ccw/tests/cli-executor-kill.test.ts

* fix(cli-executor): enhance merge validation guards

## Solution Summary

- Solution-ID: SOL-DSC-008-1

- Issue-ID: DSC-008

- Risk/Impact/Complexity: low/low/low

## Tasks Completed

- [T1] Enhance sourceConversations array validation

## Files Modified

- ccw/src/tools/cli-executor.ts

- ccw/tests/cli-executor-merge-validation.test.ts

## Verification

- node --experimental-strip-types --test ccw/tests/cli-executor-merge-validation.test.ts

* refactor(core): remove @ts-nocheck from core routes

## Solution Summary
- Solution-ID: SOL-DSC-003-1
- Issue-ID: DSC-003
- Queue-ID: QUE-20260106-164500
- Item-ID: S-9

## Tasks Completed
- T1: Create shared RouteContext type definition
- T2: Remove @ts-nocheck from small route files
- T3: Remove @ts-nocheck from medium route files
- T4: Remove @ts-nocheck from large route files
- T5: Remove @ts-nocheck from remaining core files

## Files Modified
- ccw/src/core/dashboard-generator-patch.ts
- ccw/src/core/dashboard-generator.ts
- ccw/src/core/routes/ccw-routes.ts
- ccw/src/core/routes/claude-routes.ts
- ccw/src/core/routes/cli-routes.ts
- ccw/src/core/routes/codexlens-routes.ts
- ccw/src/core/routes/discovery-routes.ts
- ccw/src/core/routes/files-routes.ts
- ccw/src/core/routes/graph-routes.ts
- ccw/src/core/routes/help-routes.ts
- ccw/src/core/routes/hooks-routes.ts
- ccw/src/core/routes/issue-routes.ts
- ccw/src/core/routes/litellm-api-routes.ts
- ccw/src/core/routes/litellm-routes.ts
- ccw/src/core/routes/mcp-routes.ts
- ccw/src/core/routes/mcp-routes.ts.backup
- ccw/src/core/routes/mcp-templates-db.ts
- ccw/src/core/routes/nav-status-routes.ts
- ccw/src/core/routes/rules-routes.ts
- ccw/src/core/routes/session-routes.ts
- ccw/src/core/routes/skills-routes.ts
- ccw/src/core/routes/status-routes.ts
- ccw/src/core/routes/system-routes.ts
- ccw/src/core/routes/types.ts
- ccw/src/core/server.ts
- ccw/src/core/websocket.ts

## Verification
- npm run build
- npm test

* refactor: split cli-executor and codexlens routes into modules

## Solution Summary
- Solution-ID: SOL-DSC-012-1
- Issue-ID: DSC-012
- Risk/Impact/Complexity: medium/medium/high

## Tasks Completed
- [T1] Extract execution orchestration from cli-executor.ts (Refactor ccw/src/tools)
- [T2] Extract route handlers from codexlens-routes.ts (Refactor ccw/src/core/routes)
- [T3] Extract prompt concatenation logic from cli-executor (Refactor ccw/src/tools)
- [T4] Document refactored module architecture (Docs)

## Files Modified
- ccw/src/tools/cli-executor.ts
- ccw/src/tools/cli-executor-core.ts
- ccw/src/tools/cli-executor-utils.ts
- ccw/src/tools/cli-executor-state.ts
- ccw/src/tools/cli-prompt-builder.ts
- ccw/src/tools/README.md
- ccw/src/core/routes/codexlens-routes.ts
- ccw/src/core/routes/codexlens/config-handlers.ts
- ccw/src/core/routes/codexlens/index-handlers.ts
- ccw/src/core/routes/codexlens/semantic-handlers.ts
- ccw/src/core/routes/codexlens/watcher-handlers.ts
- ccw/src/core/routes/codexlens/utils.ts
- ccw/src/core/routes/codexlens/README.md

## Verification
- npm run build
- npm test

* test(issue): Add comprehensive issue command tests

## Solution Summary
- **Solution-ID**: SOL-DSC-009-1
- **Issue-ID**: DSC-009
- **Risk/Impact/Complexity**: low/high/medium

## Tasks Completed
- [T1] Create issue command test file structure: Create isolated test harness
- [T2] Add JSONL read/write operation tests: Verify JSONL correctness and errors
- [T3] Add issue lifecycle tests: Verify status transitions and timestamps
- [T4] Add solution binding tests: Verify binding flows and error cases
- [T5] Add queue formation tests: Verify queue creation, IDs, and DAG behavior
- [T6] Add queue execution tests: Verify next/done/retry and status sync

## Files Modified
- ccw/src/commands/issue.ts
- ccw/tests/issue-command.test.ts

## Verification
- node --experimental-strip-types --test ccw/tests/issue-command.test.ts

* test(routes): Add integration tests for route modules

## Solution Summary
- Solution-ID: SOL-DSC-010-1
- Issue-ID: DSC-010
- Queue-ID: QUE-20260106-164500

## Tasks Completed
- [T1] Add tests for ccw-routes.ts
- [T2] Add tests for files-routes.ts
- [T3] Add tests for claude-routes.ts (includes Windows path fix for create)
- [T4] Add tests for issue-routes.ts
- [T5] Add tests for help-routes.ts (avoid hanging watchers)
- [T6] Add tests for nav-status-routes.ts
- [T7] Add tests for hooks/graph/rules/skills/litellm-api routes

## Files Modified
- ccw/src/core/routes/claude-routes.ts
- ccw/src/core/routes/help-routes.ts
- ccw/tests/integration/ccw-routes.test.ts
- ccw/tests/integration/claude-routes.test.ts
- ccw/tests/integration/files-routes.test.ts
- ccw/tests/integration/issue-routes.test.ts
- ccw/tests/integration/help-routes.test.ts
- ccw/tests/integration/nav-status-routes.test.ts
- ccw/tests/integration/hooks-routes.test.ts
- ccw/tests/integration/graph-routes.test.ts
- ccw/tests/integration/rules-routes.test.ts
- ccw/tests/integration/skills-routes.test.ts
- ccw/tests/integration/litellm-api-routes.test.ts

## Verification
- node --experimental-strip-types --test ccw/tests/integration/ccw-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/files-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/claude-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/issue-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/help-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/nav-status-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/hooks-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/graph-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/rules-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/skills-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/litellm-api-routes.test.ts

* refactor(core): Switch cache and lite scanning to async fs

## Solution Summary
- Solution-ID: SOL-DSC-013-1
- Issue-ID: DSC-013
- Queue-ID: QUE-20260106-164500

## Tasks Completed
- [T1] Convert cache-manager.ts to async file operations
- [T2] Convert lite-scanner.ts to async file operations
- [T3] Update cache-manager call sites to await async API
- [T4] Update lite-scanner call sites to await async API

## Files Modified
- ccw/src/core/cache-manager.ts
- ccw/src/core/lite-scanner.ts
- ccw/src/core/data-aggregator.ts

## Verification
- npm run build
- npm test

* fix(exec): Add timeout protection for execSync

## Solution Summary
- Solution-ID: SOL-DSC-014-1
- Issue-ID: DSC-014
- Queue-ID: QUE-20260106-164500

## Tasks Completed
- [T1] Add timeout to execSync calls in python-utils.ts
- [T2] Add timeout to execSync calls in detect-changed-modules.ts
- [T3] Add timeout to execSync calls in claude-freshness.ts
- [T4] Add timeout to execSync calls in issue.ts
- [T5] Consolidate execSync timeout constants and audit coverage

## Files Modified
- ccw/src/utils/exec-constants.ts
- ccw/src/utils/python-utils.ts
- ccw/src/tools/detect-changed-modules.ts
- ccw/src/core/claude-freshness.ts
- ccw/src/commands/issue.ts
- ccw/src/tools/smart-search.ts
- ccw/src/tools/codex-lens.ts
- ccw/src/core/routes/codexlens/config-handlers.ts

## Verification
- npm run build
- npm test
- node --experimental-strip-types --test ccw/tests/issue-command.test.ts

* feat(cli): Add progress spinner with elapsed time for long-running operations

## Solution Summary
- Solution-ID: SOL-DSC-015-1
- Issue-ID: DSC-015
- Queue-Item: S-15
- Risk/Impact/Complexity: low/medium/low

## Tasks Completed
- [T1] Add progress spinner to CLI execution: Update ccw/src/commands/cli.ts

## Files Modified
- ccw/src/commands/cli.ts
- ccw/tests/cli-command.test.ts

## Verification
- node --experimental-strip-types --test ccw/tests/cli-command.test.ts
- node --experimental-strip-types --test ccw/tests/cli-executor-kill.test.ts
- node --experimental-strip-types --test ccw/tests/cli-executor-merge-validation.test.ts

* fix(cli): Move full output hint immediately after truncation notice

## Solution Summary
- Solution-ID: SOL-DSC-016-1
- Issue-ID: DSC-016
- Queue-Item: S-16
- Risk/Impact/Complexity: low/high/low

## Tasks Completed
- [T1] Relocate output hint after truncation: Update ccw/src/commands/cli.ts

## Files Modified
- ccw/src/commands/cli.ts
- ccw/tests/cli-command.test.ts

## Verification
- npm run build
- node --experimental-strip-types --test ccw/tests/cli-command.test.ts

* feat(cli): Add confirmation prompts for destructive operations

## Solution Summary
- Solution-ID: SOL-DSC-017-1
- Issue-ID: DSC-017
- Queue-Item: S-17
- Risk/Impact/Complexity: low/high/low

## Tasks Completed
- [T1] Add confirmation to storage clean operations: Update ccw/src/commands/cli.ts
- [T2] Add confirmation to issue queue delete: Update ccw/src/commands/issue.ts

## Files Modified
- ccw/src/commands/cli.ts
- ccw/src/commands/issue.ts
- ccw/tests/cli-command.test.ts
- ccw/tests/issue-command.test.ts

## Verification
- npm run build
- node --experimental-strip-types --test ccw/tests/cli-command.test.ts
- node --experimental-strip-types --test ccw/tests/issue-command.test.ts

* feat(cli): Improve multi-line prompt guidance

## Solution Summary
- Solution-ID: SOL-DSC-018-1
- Issue-ID: DSC-018
- Queue-Item: S-18
- Risk/Impact/Complexity: low/medium/low

## Tasks Completed
- [T1] Update CLI help to emphasize --file option: Update ccw/src/commands/cli.ts
- [T2] Add inline hint for multi-line detection: Update ccw/src/commands/cli.ts

## Files Modified
- ccw/src/commands/cli.ts
- ccw/tests/cli-command.test.ts

## Verification
- npm run build
- node --experimental-strip-types --test ccw/tests/cli-command.test.ts

---------

Co-authored-by: catlog22 <catlog22@github.com>
2026-01-07 22:35:46 +08:00

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# CCW Dashboard Server Security
This document describes the CCW dashboard server security model, authentication, and recommended deployment practices.
## Summary
- **Authentication**: API endpoints require a JWT token (header or cookie).
- **Default binding**: Server binds to `127.0.0.1` by default to avoid network exposure.
- **CORS**: Only localhost origins are allowed; wildcard CORS is not used.
## Authentication Model
### Token Types
CCW uses **JWT (HS256)** tokens for API authentication:
- **Header-based**: `Authorization: Bearer <token>`
- **Cookie-based**: `auth_token=<token>` (set automatically for local browser access)
### Token Generation & Storage
On server start, CCW generates or reuses:
- **Secret key** (random 256-bit minimum): stored at `~/.ccw/auth/secret.key` (or under `CCW_DATA_DIR`)
- **Current token**: stored at `~/.ccw/auth/token.jwt` (or under `CCW_DATA_DIR`)
Tokens have a **24-hour expiry**. CCW rotates tokens when re-generated near expiry.
> **Note**: On Windows, POSIX-style `0600` permissions are best-effort; CCW still writes files with restrictive modes where supported.
### Retrieving a Token
To retrieve the current token from the local machine:
```bash
curl -s http://127.0.0.1:3456/api/auth/token
```
This endpoint is **localhost-only** (loopback). It also sets a `HttpOnly` cookie for browser clients.
### Using a Token
Example (header-based):
```bash
curl -H "Authorization: Bearer <token>" http://127.0.0.1:3456/api/health
```
Browser clients typically use cookie auth automatically when the dashboard is opened from `http://127.0.0.1:<port>` or `http://localhost:<port>`.
## Network Binding (Localhost by Default)
By default, CCW binds to `127.0.0.1`:
```bash
ccw serve --host 127.0.0.1 --port 3456
```
To bind to all interfaces (advanced / higher risk):
```bash
ccw serve --host 0.0.0.0 --port 3456
```
Binding to non-localhost addresses exposes the dashboard API to the network. Only do this if you understand the risk and have controls in place.
### Recommendations if Using `--host`
- Use a host firewall to restrict inbound access to trusted IPs.
- Prefer VPN access over opening ports publicly.
- Treat the JWT token as a password; never share it.
## CORS Policy
CCW no longer uses `Access-Control-Allow-Origin: *`.
- Allowed origins are restricted to:
- `http://localhost:<port>`
- `http://127.0.0.1:<port>`
- `Access-Control-Allow-Credentials: true` is set to support cookie auth.
## Threat Model (What This Protects)
Designed to mitigate:
- Accidental exposure of dashboard APIs on a LAN/Wi‑Fi network.
- Cross-origin attacks from untrusted web pages attempting to call local APIs.
Not designed to protect against:
- A fully compromised local machine/user account.
- Deliberately exposing the server to the internet without additional perimeter security.
## Troubleshooting
### `401 Unauthorized`
- Visit the dashboard page again (cookie is re-issued for localhost access), or
- Call `GET /api/auth/token` and use the returned token in the `Authorization` header.
### Token Expired
- Call `GET /api/auth/token` to refresh/rotate the token.
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