Gaps fill up, fixes, ui restructuring

.gitea/workflows/templates/dsse-attest-verify-check.yml

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+# =============================================================================
+# dsse-attest-verify-check.yml
+# Sprint: SPRINT_20260219_011 (CIAP-02)
+# Description: Signs SBOM with DSSE, verifies attestation, validates Rekor proof
+# =============================================================================
+#
+# This workflow creates a DSSE attestation for an SBOM, verifies it, and
+# optionally validates the Rekor transparency log inclusion proof.
+#
+# Supports both keyless (Fulcio/OIDC) and keyed (cosign key) signing modes.
+#
+# =============================================================================
+
+name: DSSE Attest + Verify + Rekor Check
+
+on:
+  workflow_call:
+    inputs:
+      subject_ref:
+        description: 'OCI image reference (registry/repo@sha256:...)'
+        required: true
+        type: string
+      predicate_path:
+        description: 'Path to the DSSE predicate JSON file'
+        required: true
+        type: string
+      signing_mode:
+        description: 'Signing mode: keyless (Fulcio/OIDC) or key (cosign key)'
+        required: false
+        type: string
+        default: 'keyless'
+      public_key_path:
+        description: 'Path to cosign public key PEM (required for key mode)'
+        required: false
+        type: string
+      predicate_type:
+        description: 'Predicate type URI for the attestation'
+        required: false
+        type: string
+        default: 'https://cyclonedx.org/bom'
+      skip_rekor:
+        description: 'Skip Rekor transparency log (for air-gapped environments)'
+        required: false
+        type: boolean
+        default: false
+
+jobs:
+  attest-and-verify:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      id-token: write  # For OIDC-based keyless signing
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install cosign
+        uses: sigstore/cosign-installer@v3
+
+      - name: Sign attestation
+        id: sign
+        env:
+          COSIGN_EXPERIMENTAL: '1'
+        run: |
+          SIGN_FLAGS="--predicate ${{ inputs.predicate_path }}"
+          SIGN_FLAGS="${SIGN_FLAGS} --type ${{ inputs.predicate_type }}"
+
+          if [ "${{ inputs.signing_mode }}" = "key" ]; then
+            # Keyed signing
+            SIGN_FLAGS="${SIGN_FLAGS} --key ${{ inputs.public_key_path }}"
+          fi
+
+          if [ "${{ inputs.skip_rekor }}" = "true" ]; then
+            SIGN_FLAGS="${SIGN_FLAGS} --tlog-upload=false"
+          fi
+
+          cosign attest ${SIGN_FLAGS} "${{ inputs.subject_ref }}"
+
+          echo "### Attestation Signed" >> $GITHUB_STEP_SUMMARY
+          echo "- Subject: \`${{ inputs.subject_ref }}\`" >> $GITHUB_STEP_SUMMARY
+          echo "- Mode: ${{ inputs.signing_mode }}" >> $GITHUB_STEP_SUMMARY
+          echo "- Predicate type: \`${{ inputs.predicate_type }}\`" >> $GITHUB_STEP_SUMMARY
+
+      - name: Verify attestation
+        id: verify
+        run: |
+          VERIFY_FLAGS="--type ${{ inputs.predicate_type }}"
+
+          if [ "${{ inputs.signing_mode }}" = "key" ]; then
+            VERIFY_FLAGS="${VERIFY_FLAGS} --key ${{ inputs.public_key_path }}"
+          else
+            # Keyless: verify against Sigstore trust root
+            VERIFY_FLAGS="${VERIFY_FLAGS} --certificate-identity-regexp '.*'"
+            VERIFY_FLAGS="${VERIFY_FLAGS} --certificate-oidc-issuer-regexp '.*'"
+          fi
+
+          cosign verify-attestation ${VERIFY_FLAGS} "${{ inputs.subject_ref }}"
+
+          if [ $? -eq 0 ]; then
+            echo "Attestation verification: PASS" >> $GITHUB_STEP_SUMMARY
+          else
+            echo "Attestation verification: FAIL" >> $GITHUB_STEP_SUMMARY
+            exit 1
+          fi
+
+      - name: Validate Rekor inclusion proof
+        if: inputs.skip_rekor != true
+        run: |
+          # Fetch the Rekor entry for our attestation
+          DIGEST=$(sha256sum "${{ inputs.predicate_path }}" | cut -d' ' -f1)
+
+          # Use rekor-cli to search and verify
+          if command -v rekor-cli &> /dev/null; then
+            ENTRY=$(rekor-cli search --sha "sha256:${DIGEST}" 2>/dev/null | head -1)
+            if [ -n "${ENTRY}" ]; then
+              rekor-cli verify --artifact "${{ inputs.predicate_path }}" --entry "${ENTRY}"
+              echo "Rekor inclusion proof: PASS (entry: ${ENTRY})" >> $GITHUB_STEP_SUMMARY
+            else
+              echo "Rekor entry not found (may be pending)" >> $GITHUB_STEP_SUMMARY
+            fi
+          else
+            echo "rekor-cli not available, skipping Rekor verification" >> $GITHUB_STEP_SUMMARY
+          fi

.gitea/workflows/templates/sbom-canonicalization-check.yml

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+# =============================================================================
+# sbom-canonicalization-check.yml
+# Sprint: SPRINT_20260219_011 (CIAP-01)
+# Description: Validates CycloneDX SBOM and verifies canonical_id determinism
+# =============================================================================
+#
+# This workflow validates an SBOM against the CycloneDX schema, computes
+# the canonical_id (sha256 of JCS-canonicalized JSON), and verifies
+# that canonicalization is deterministic across runs.
+#
+# Usage:
+# 1. Copy to your project's .gitea/workflows/ directory
+# 2. Set BOM_PATH to your SBOM output location
+# 3. Optionally set EXPECTED_CANONICAL_ID for regression testing
+#
+# =============================================================================
+
+name: SBOM Canonicalization Check
+
+on:
+  workflow_call:
+    inputs:
+      bom_path:
+        description: 'Path to CycloneDX SBOM JSON file'
+        required: true
+        type: string
+      expected_canonical_id:
+        description: 'Expected canonical_id for regression testing (optional)'
+        required: false
+        type: string
+    outputs:
+      canonical_id:
+        description: 'Computed canonical_id (sha256:<hex>)'
+        value: ${{ jobs.canonicalize.outputs.canonical_id }}
+      validation_result:
+        description: 'Schema validation result (pass/fail)'
+        value: ${{ jobs.canonicalize.outputs.validation_result }}
+
+jobs:
+  canonicalize:
+    runs-on: ubuntu-latest
+    outputs:
+      canonical_id: ${{ steps.compute.outputs.canonical_id }}
+      validation_result: ${{ steps.validate.outputs.result }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Validate CycloneDX schema
+        id: validate
+        run: |
+          # Validate SBOM against CycloneDX 1.7 schema
+          if command -v sbom-utility &> /dev/null; then
+            sbom-utility validate -i "${{ inputs.bom_path }}" --force
+            if [ $? -eq 0 ]; then
+              echo "result=pass" >> $GITHUB_OUTPUT
+              echo "Schema validation: PASS" >> $GITHUB_STEP_SUMMARY
+            else
+              echo "result=fail" >> $GITHUB_OUTPUT
+              echo "Schema validation: FAIL" >> $GITHUB_STEP_SUMMARY
+              exit 1
+            fi
+          else
+            # Fallback: basic JSON validation with ajv
+            npx ajv-cli validate -s docs/schemas/cyclonedx-bom-1.7.schema.json -d "${{ inputs.bom_path }}" || {
+              echo "result=fail" >> $GITHUB_OUTPUT
+              exit 1
+            }
+            echo "result=pass" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Compute canonical_id
+        id: compute
+        run: |
+          # JCS canonicalize and compute SHA-256
+          # Uses Python for RFC 8785 compliance (json.loads + sorted keys + separators)
+          CANONICAL_ID=$(python3 -c "
+          import json, hashlib, sys
+          with open('${{ inputs.bom_path }}', 'rb') as f:
+              obj = json.load(f)
+          canonical = json.dumps(obj, sort_keys=True, separators=(',', ':'), ensure_ascii=False).encode('utf-8')
+          digest = hashlib.sha256(canonical).hexdigest()
+          print(f'sha256:{digest}')
+          ")
+
+          echo "canonical_id=${CANONICAL_ID}" >> $GITHUB_OUTPUT
+          echo "### Canonical SBOM ID" >> $GITHUB_STEP_SUMMARY
+          echo "\`${CANONICAL_ID}\`" >> $GITHUB_STEP_SUMMARY
+
+      - name: Verify determinism (double-compute)
+        run: |
+          # Canonicalize twice, verify identical output
+          FIRST=$(python3 -c "
+          import json, hashlib
+          with open('${{ inputs.bom_path }}', 'rb') as f:
+              obj = json.load(f)
+          canonical = json.dumps(obj, sort_keys=True, separators=(',', ':'), ensure_ascii=False).encode('utf-8')
+          print(hashlib.sha256(canonical).hexdigest())
+          ")
+
+          SECOND=$(python3 -c "
+          import json, hashlib
+          with open('${{ inputs.bom_path }}', 'rb') as f:
+              obj = json.load(f)
+          canonical = json.dumps(obj, sort_keys=True, separators=(',', ':'), ensure_ascii=False).encode('utf-8')
+          print(hashlib.sha256(canonical).hexdigest())
+          ")
+
+          if [ "${FIRST}" != "${SECOND}" ]; then
+            echo "FATAL: Canonicalization is non-deterministic!" >&2
+            echo "  Run 1: ${FIRST}" >&2
+            echo "  Run 2: ${SECOND}" >&2
+            exit 1
+          fi
+
+          echo "Determinism check: PASS (hash=${FIRST})" >> $GITHUB_STEP_SUMMARY
+
+      - name: Regression check (if expected_canonical_id provided)
+        if: inputs.expected_canonical_id != ''
+        run: |
+          ACTUAL="${{ steps.compute.outputs.canonical_id }}"
+          EXPECTED="${{ inputs.expected_canonical_id }}"
+
+          if [ "${ACTUAL}" != "${EXPECTED}" ]; then
+            echo "REGRESSION: canonical_id changed!" >&2
+            echo "  Expected: ${EXPECTED}" >&2
+            echo "  Actual:   ${ACTUAL}" >&2
+            echo "### Regression Detected" >> $GITHUB_STEP_SUMMARY
+            echo "Expected: \`${EXPECTED}\`" >> $GITHUB_STEP_SUMMARY
+            echo "Actual: \`${ACTUAL}\`" >> $GITHUB_STEP_SUMMARY
+            exit 1
+          fi
+
+          echo "Regression check: PASS" >> $GITHUB_STEP_SUMMARY

.gitea/workflows/templates/vex-mapping-check.yml

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+# =============================================================================
+# vex-mapping-check.yml
+# Sprint: SPRINT_20260219_011 (CIAP-03)
+# Description: Validates VEX documents and verifies target artifact matching
+# =============================================================================
+#
+# This workflow validates OpenVEX or CycloneDX VEX documents against their
+# schemas, asserts required fields are present and valid, and optionally
+# verifies target artifact matches a known canonical_id.
+#
+# =============================================================================
+
+name: VEX Mapping Check
+
+on:
+  workflow_call:
+    inputs:
+      vex_path:
+        description: 'Path to VEX document (JSON)'
+        required: true
+        type: string
+      vex_format:
+        description: 'VEX format: openvex or cyclonedx'
+        required: false
+        type: string
+        default: 'openvex'
+      canonical_id:
+        description: 'Expected canonical_id of the target artifact (optional)'
+        required: false
+        type: string
+      schema_path:
+        description: 'Path to VEX JSON schema (optional, uses bundled schemas by default)'
+        required: false
+        type: string
+
+jobs:
+  validate-vex:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Validate VEX schema
+        id: validate
+        run: |
+          VEX_FILE="${{ inputs.vex_path }}"
+          FORMAT="${{ inputs.vex_format }}"
+
+          # Select schema
+          if [ -n "${{ inputs.schema_path }}" ]; then
+            SCHEMA="${{ inputs.schema_path }}"
+          elif [ "${FORMAT}" = "openvex" ]; then
+            SCHEMA="docs/schemas/openvex-0.2.0.schema.json"
+          else
+            SCHEMA="docs/schemas/cyclonedx-bom-1.7.schema.json"
+          fi
+
+          # Validate
+          if [ -f "${SCHEMA}" ]; then
+            npx ajv-cli validate -s "${SCHEMA}" -d "${VEX_FILE}" && {
+              echo "Schema validation: PASS" >> $GITHUB_STEP_SUMMARY
+            } || {
+              echo "Schema validation: FAIL" >> $GITHUB_STEP_SUMMARY
+              exit 1
+            }
+          else
+            echo "Schema file not found: ${SCHEMA}, skipping schema validation" >> $GITHUB_STEP_SUMMARY
+          fi
+
+      - name: Assert required VEX fields
+        run: |
+          FORMAT="${{ inputs.vex_format }}"
+          VEX_FILE="${{ inputs.vex_path }}"
+
+          python3 -c "
+          import json, sys
+
+          with open('${VEX_FILE}') as f:
+              vex = json.load(f)
+
+          errors = []
+          format_name = '${FORMAT}'
+
+          if format_name == 'openvex':
+              # OpenVEX validation
+              if 'statements' not in vex:
+                  errors.append('Missing required field: statements')
+              else:
+                  for i, stmt in enumerate(vex['statements']):
+                      if 'status' not in stmt:
+                          errors.append(f'Statement [{i}]: missing status')
+                      elif stmt['status'] not in ('affected', 'not_affected', 'fixed', 'under_investigation'):
+                          errors.append(f'Statement [{i}]: invalid status: {stmt[\"status\"]}')
+                      if 'vulnerability' not in stmt:
+                          errors.append(f'Statement [{i}]: missing vulnerability')
+                      if 'product' not in stmt and 'products' not in stmt:
+                          errors.append(f'Statement [{i}]: missing product or products')
+          else:
+              # CycloneDX VEX (embedded in SBOM vulnerabilities)
+              vulns = vex.get('vulnerabilities', [])
+              if not vulns:
+                  errors.append('No vulnerabilities found in CycloneDX VEX')
+              for i, vuln in enumerate(vulns):
+                  analysis = vuln.get('analysis', {})
+                  state = analysis.get('state')
+                  if not state:
+                      errors.append(f'Vulnerability [{i}] ({vuln.get(\"id\",\"?\")}): missing analysis.state')
+                  elif state not in ('resolved', 'resolved_with_pedigree', 'exploitable', 'in_triage', 'false_positive', 'not_affected'):
+                      errors.append(f'Vulnerability [{i}]: invalid analysis.state: {state}')
+
+          if errors:
+              print('VEX field validation FAILED:', file=sys.stderr)
+              for e in errors:
+                  print(f'  - {e}', file=sys.stderr)
+              sys.exit(1)
+          else:
+              print(f'VEX field validation: PASS ({format_name})')
+          "
+
+          echo "VEX field assertions: PASS" >> $GITHUB_STEP_SUMMARY
+
+      - name: Verify target canonical_id match
+        if: inputs.canonical_id != ''
+        run: |
+          FORMAT="${{ inputs.vex_format }}"
+          VEX_FILE="${{ inputs.vex_path }}"
+          EXPECTED_ID="${{ inputs.canonical_id }}"
+
+          python3 -c "
+          import json, sys
+
+          with open('${VEX_FILE}') as f:
+              vex = json.load(f)
+
+          expected = '${EXPECTED_ID}'
+          format_name = '${FORMAT}'
+          found_match = False
+
+          if format_name == 'openvex':
+              for stmt in vex.get('statements', []):
+                  product = stmt.get('product', '')
+                  products = stmt.get('products', [])
+                  targets = [product] if product else products
+                  for t in targets:
+                      pid = t if isinstance(t, str) else t.get('@id', '')
+                      if expected.replace('sha256:', '') in pid or pid == expected:
+                          found_match = True
+                          break
+          else:
+              # CycloneDX: check affects refs
+              for vuln in vex.get('vulnerabilities', []):
+                  for affects in vuln.get('affects', []):
+                      ref = affects.get('ref', '')
+                      if expected.replace('sha256:', '') in ref:
+                          found_match = True
+                          break
+
+          if not found_match:
+              print(f'WARNING: canonical_id {expected} not found in VEX targets', file=sys.stderr)
+              print('This may indicate the VEX document does not apply to the expected artifact')
+              # Warning only, not a hard failure
+          else:
+              print(f'Target canonical_id match: PASS')
+          "
+
+          echo "Target artifact check: completed" >> $GITHUB_STEP_SUMMARY