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╔═══╬═══════╬═══╗    ━━━━━━━━━━━━━ SECURITY GATE ━━━━━━━━━━━━━
║   ║ [===] ║   ║    Semgrep · Gitleaks · osv-scanner · Trivy
╚═══╬═══════╬═══╝    · npm audit  —  one command, one report,
    ║ ║   ║ ║        one exit code. MIT · No account · No tel.
    ╚═╝   ╚═╝

SecGate is a tiny security gate for CI/CD. Runs Semgrep, Gitleaks, osv-scanner, Trivy, and npm audit in one command, normalizes findings into one report, fails the pipeline on CRITICAL or HIGH. No account. No telemetry. Local files only.

Status: Early release (v0.2.4). Published with npm provenance. Report vulnerabilities via SECURITY.md.

░▒▓█ TL;DR

npx @tinydarkforge/secgate .

Runs all five scanners against the current directory, writes a JSON report, a self-contained HTML report, and (optionally) SARIF. Exit 0 on clean, 1 on CRITICAL/HIGH findings. That's the whole product.

░▒▓█ What it does today

SecGate wraps five existing open-source scanners, runs them against a directory, and produces:

• One normalized JSON report across every scanner
• One self-contained HTML report with per-scanner tabs, dark mode, zero external assets
• One SARIF 2.1.0 file ready for GitHub Code Scanning upload
• One exit code — 1 when CRITICAL or HIGH findings are present; blocks CI

SecGate does not ship its own analysis engine. Every finding originates from one of the five underlying tools. The value is orchestration, normalization, and a single exit code.

░▒▓█ Scanners

Missing scanner binaries are skipped gracefully and noted in the report. No scanner is required; SecGate uses whatever is on $PATH.

░▒▓█ Positioning

SecGate is not a SOC platform, a compliance tool, or a vulnerability management system. It is a CI gate that aggregates scanner output and fails the build when something critical is found.

SecGate's niche: zero-config orchestration, no account, no telemetry, local output only, MIT. If you need SaaS-grade triage or compliance workflow, buy Snyk or Aikido. Full matrix: docs/comparison.md.

░▒▓█ Product vision

SecGate will become the open-source input layer for a broader security workflow. The core CLI — scan orchestration, SARIF output, baselines, suppressions, HTML report — stays MIT-licensed and free, forever. Future paid extensions may add hosted dashboards, org-wide policy management, compliance evidence packs, and multi-repo aggregation for teams that need more than a local gate. Those do not exist today. The OSS boundary is defined in OPEN-CORE.md.

░▒▓█ Prerequisites

Node.js >=18. External scanners are optional — install only the ones you want to run.

# macOS
brew install semgrep gitleaks osv-scanner trivy

# Linux
pip install semgrep
# gitleaks:    https://github.com/gitleaks/gitleaks#installing
# osv-scanner: https://github.com/google/osv-scanner#installation
# trivy:       https://aquasecurity.github.io/trivy/latest/getting-started/installation/

░▒▓█ Install

From npm (recommended)

npm install -g @tinydarkforge/secgate

One-shot via npx (no install)

npx @tinydarkforge/secgate .

From source

git clone https://github.com/tinydarkforge/SecGate.git
cd SecGate
npm install
chmod +x secgate.js
sudo ln -sf "$(pwd)/secgate.js" /usr/local/bin/secgate

░▒▓█ Usage

# Scan current directory (dry-run, default)
secgate .

# Scan with auto-remediation (npm audit fix only — see warning below)
secgate . --apply

# Scan with debug output
secgate . --debug

# Scan specific path
secgate /path/to/project

# Write reports to a custom directory (default: the target)
secgate /path/to/project --output-dir /tmp/reports

# Strip absolute paths from the report (auto-on when CI=true)
secgate /path/to/project --strip-paths

# Version / help
secgate --version
secgate --help

Exit codes

░▒▓█ Security — --apply in untrusted repos

⚠ --apply executes remediations (npm audit fix) inside the scanned repo. Treat this as code execution against the target. Only use it on code you trust.

Hardening already in place:

• Every npm invocation under --apply passes --ignore-scripts — malicious preinstall / postinstall scripts in the target's package.json (or its dependencies) are not executed.
• --apply is gated: refuses to run unless SECGATE_CONFIRM_APPLY=1 is set (CI / non-interactive) or the user types y at an interactive TTY prompt.
• Every --apply execution is recorded in the report's auditLog field and mirrored to stderr with timestamp and target.

Operator guidance:

• Do not run --apply against untrusted or newly cloned third-party repos. Run dry-run first, review, decide.
• In CI, prefer dry-run (secgate .) and rely on the exit code to gate. If you must --apply, do it inside an isolated, ephemeral runner with SECGATE_CONFIRM_APPLY=1.
• Report files default to the target directory. Use --output-dir to redirect; a warning is printed to stderr when cwd !== target.
• In CI, --strip-paths is auto-enabled to prevent host paths leaking into uploaded artifacts.

░▒▓█ Configuration

Create .secgate.config.json in your scan target directory. All fields are optional.

{
  "failOn": ["critical", "high"],
  "scanners": {
    "semgrep": true,
    "gitleaks": true,
    "npm": true,
    "osv": true,
    "trivy": false
  },
  "severityOverrides": [
    { "rule": "npm-audit.lodash", "severity": "LOW" },
    { "rule": "trivy-DS*", "severity": "MEDIUM" }
  ],
  "ignore": ["CVE-2024-12345", "npm:some-old-package*"],
  "baselineFile": ".secgate-baseline.json",
  "customSemgrepRules": "./rules/"
}

JSON Schema: docs/config.schema.json

Field reference

Precedence

CLI flag  >  .secgate.config.json  >  built-in defaults

• --baseline and --update-baseline are CLI-only (no config equivalent).
• Missing config file: silent, defaults apply. Invalid JSON: error logged, defaults apply.

Baseline workflow

# 1. Accept current state as baseline
secgate . --update-baseline

# 2. On subsequent runs, fail only on net-new findings
secgate . --baseline

Commit .secgate-baseline.json to your repo. Baselined findings appear in reports with a baseline marker and are excluded from the fail-gate.

Inline suppression

Add a comment on the flagged line or the line immediately above:

// secgate:ignore <rule-id>
db.query(userInput);

db.execute(sql); // secgate:ignore my.rule.id

/* secgate:ignore my.rule.id */
dangerousCall();

Suppressed findings are excluded from counters. The report's suppressions section records per-rule counts for audit.

░▒▓█ CI / CD

GitHub Actions — minimal

# .github/workflows/secgate.yml
- name: Run SecGate
  run: npx @tinydarkforge/secgate .
  # exits 1 on CRITICAL or HIGH findings — blocks the pipeline

Non-blocking (report only)

- name: Run SecGate
  run: npx @tinydarkforge/secgate . || true

- name: Upload report
  uses: actions/upload-artifact@v4
  with:
    name: secgate-report
    path: |
      secgate-v7-report.json
      *.html

As a composite GitHub Action

A composite action is published at .github/actions/secgate/ in this repo.

- name: SecGate Security Gate
  id: secgate
  uses: tinydarkforge/SecGate/.github/actions/secgate@main
  with:
    target: "."
    apply: "false"
    fail-on: "critical,high"
    format: "json,html,sarif"

- name: Upload HTML + JSON
  if: always()
  uses: actions/upload-artifact@v4
  with:
    name: secgate-report
    path: |
      secgate-v7-report.json
      *.html

- name: Upload SARIF to Code Scanning
  if: always() && steps.secgate.outputs.sarif-path != ''
  uses: github/codeql-action/upload-sarif@v3
  with:
    sarif_file: ${{ steps.secgate.outputs.sarif-path }}
    category: secgate

Action inputs

Action outputs

Pin to a full commit SHA for production workflows:

uses: tinydarkforge/SecGate/.github/actions/secgate@<full-sha>

See .github/workflows/example-secgate.yml for a complete reference workflow.

░▒▓█ SARIF output

SecGate emits SARIF 2.1.0 alongside JSON and HTML. SARIF is the standard format consumed by GitHub Code Scanning, GitLab SAST, and other platforms.

secgate . --format sarif
# writes: secgate-v7-report.json, <repo>.html, <repo>.sarif.json

The --format flag accepts a comma-separated list. sarif is additive — JSON and HTML are always written:

secgate . --format json,html,sarif   # same as above
secgate . --format sarif             # also writes JSON + HTML

SARIF structure

• One runs[] entry per scanner: semgrep, gitleaks, npm, osv, trivy, trivyImage (6 total).
• Each finding maps to a result with ruleId = signature, level derived from severity, and locations[].physicalLocation when file/line data is present.
• properties["security-severity"] carries a CVSS-style score for GitHub's sort order: CRITICAL = 9.5, HIGH = 7.5, MEDIUM = 5, LOW = 2, UNKNOWN = 0.

Upload to GitHub Code Scanning

- name: Run SecGate
  id: secgate
  run: npx @tinydarkforge/secgate . --format sarif

- name: Upload SARIF
  uses: github/codeql-action/upload-sarif@v3
  if: always()
  with:
    sarif_file: <repo-name>.sarif.json
    category: secgate

░▒▓█ Report output

Each run writes:

• secgate-v7-report.json — machine-readable, schema below.
• <repo-name>.html — self-contained HTML report with per-scanner tabs, dark mode, zero external assets. Filename derived from the target directory name.
• <repo-name>.sarif.json — SARIF 2.1.0 file (only when --format sarif is passed).

JSON schema

{
  "version": "0.2.4",
  "timestamp": "ISO 8601",
  "target": "/absolute/path",
  "mode": "dry-run | apply",
  "status": "PASS | FAIL",
  "summary": {
    "critical": 0,
    "high": 0,
    "medium": 0,
    "low": 0,
    "unknown": 0
  },
  "tools": {
    "semgrep":    "ran | clean | skipped | error | pending",
    "gitleaks":   "ran | clean | skipped | error | pending",
    "npm":        "ran | clean | skipped | error | pending",
    "osv":        "ran | clean | skipped | error | pending",
    "trivy":      "ran | clean | skipped | error | pending",
    "trivyImage": "ran | clean | skipped | error | pending"
  },
  "findings": [
    {
      "tool": "gitleaks | semgrep | npm | osv | trivy | trivyImage",
      "type": "secret | code | dependency | iac | license",
      "severity": "CRITICAL | HIGH | MEDIUM | LOW | UNKNOWN",
      "signature": "rule or package ID",
      "message": "description",
      "file": "relative or absolute path, or null",
      "line": 42,
      "col": 5,
      "endLine": 42,
      "fixable": false,
      "fixableBy": "auto | manual | null"
    }
  ],
  "intelligence": {
    "riskScore": 0,
    "attackSurface": ["secret", "dependency", "iac", "license", "code"],
    "reasoning": [{ "issue": "...", "why": "..." }],
    "recommendations": ["..."]
  },
  "remediation": {
    "plan": [{
      "issue": "...",
      "patch": {
        "action": "...",
        "cmd": "display string or null",
        "exec": { "binary": "npm", "args": ["audit", "fix", "--ignore-scripts"], "cwd": "..." }
      }
    }],
    "stagedChanges": [],
    "executed": [],
    "blocked": [],
    "confidence": 100
  },
  "auditLog": [
    {
      "timestamp": "ISO 8601",
      "event": "apply_start | apply_confirmed | apply_exec | apply_ok | apply_fail",
      "target": "target path or repo basename (if --strip-paths)"
    }
  ]
}

Severity tiers

Every finding is normalized to one of five tiers at the addFinding() ingress:

Fixability

• fixableBy: "auto" — patch() returns an executable command; --apply will run it (currently only npm audit fix).
• fixableBy: "manual" — a patch exists but requires human action (upgrade, rotate, refactor).
• fixable: true mirrors fixableBy === "auto" for CI convenience.

Tool states

░▒▓█ Risk scoring

Findings are scored with static weights applied at ingress:

The riskScore in the report is the sum of these weights across all findings. This is a heuristic count, not CVSS, not EPSS, not exploit-probability modeling. Use it to compare runs of the same repo over time — not as an absolute posture score.

░▒▓█ Documentation

░▒▓█ Contributing

See CONTRIBUTING.md. Report vulnerabilities privately per SECURITY.md — do not open public issues for security reports.

░▒▓█ License

MIT — © TinyDarkForge

            ╔═══╗
            ║ ⊙ ║   "BLOCK. SCAN. GATE."
            ╚═══╝