GitHub Actions security workflow (#63)

Add workflow to run security analysis and upload code scanning alerts

Author: klane

.github/workflows/quality.yml

@@ -7,30 +7,8 @@ on:
   pull_request:
     branches:
       - main
-  schedule:
-    - cron: '0 0 * * 0'
 
 jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Initialize CodeQL
-        uses: github/codeql-action/init@v1
-        with:
-          languages: python
-
-      - name: Perform CodeQL analysis
-        uses: github/codeql-action/analyze@v1
-
   linting:
     name: Linting
     runs-on: ubuntu-latest

.github/workflows/security.yml

@@ -0,0 +1,75 @@
+name: Security
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  # every Sunday at midnight
+  schedule:
+    - cron: '0 0 * * 0'
+
+permissions:
+  actions: read
+  contents: read
+  security-events: write
+
+jobs:
+  codeql:
+    name: CodeQL
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v1
+        with:
+          languages: python
+
+      - name: Run CodeQL
+        uses: github/codeql-action/analyze@v1
+
+  ossar:
+    name: OSSAR
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Run OSSAR
+        id: ossar
+        uses: github/ossar-action@v1
+
+      - name: Upload OSSAR results
+        if: always()
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: ${{ steps.ossar.outputs.sarifFile }}
+
+  semgrep:
+    name: Semgrep
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Run Semgrep
+        uses: returntocorp/semgrep-action@v1
+        with:
+          config: >-
+            p/ci
+            p/secrets
+          auditOn: push
+          generateSarif: true
+
+      - name: Upload Semgrep results
+        if: always()
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: semgrep.sarif

.github/workflows/test.yml

@@ -3,7 +3,7 @@ name: Tests
 on:
   push:
     branches:
-      - '*'
+      - main
     paths-ignore:
       - 'docs/**'
       - '**.md'