adding gemini security scan action files

Author: rohithandique

.github/workflows/gemini-analysis.yml

@@ -0,0 +1,37 @@
+name: Gemini Code Analysis
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.11'
+
+    - name: Install Dependencies
+      run: |
+        pip install google-generativeai
+
+    - name: Run Gemini Scanner
+      env:
+        GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
+      run: python scripts/security.py
+
+    - name: Upload Analysis Report
+      uses: actions/upload-artifact@v4
+      with:
+        name: security-report
+        path: SECURITY_REPORT.md

scripts/security.py

@@ -0,0 +1,87 @@
+import os
+import google.generativeai as genai
+from pathlib import Path
+
+# Configure Gemini
+API_KEY = os.getenv("GEMINI_API_KEY")
+if not API_KEY:
+    raise ValueError("GEMINI_API_KEY environment variable not set")
+
+genai.configure(api_key=API_KEY)
+
+# Configuration
+MODEL_NAME = "gemini-1.5-pro-latest" # Using 1.5 Pro for large context window
+ROOT_DIR = "."
+OUTPUT_FILE = "SECURITY_REPORT.md"
+
+# Extensions to scan
+INCLUDED_EXTENSIONS = {".java", ".gradle", ".xml", ".sh", ".properties"}
+EXCLUDED_DIRS = {".git", ".gradle", "build", "target", ".idea", "wrapper"}
+
+def get_code_context(root_dir):
+    code_content = ""
+    file_count = 0
+    
+    for root, dirs, files in os.walk(root_dir):
+        # Filter directories
+        dirs[:] = [d for d in dirs if d not in EXCLUDED_DIRS]
+        
+        for file in files:
+            file_path = Path(root) / file
+            if file_path.suffix in INCLUDED_EXTENSIONS:
+                try:
+                    with open(file_path, "r", encoding="utf-8") as f:
+                        content = f.read()
+                        code_content += f"\n--- START FILE: {file_path} ---\n"
+                        code_content += content
+                        code_content += f"\n--- END FILE: {file_path} ---\n"
+                        file_count += 1
+                except Exception as e:
+                    print(f"Skipping file {file_path}: {e}")
+                    
+    print(f"Scanned {file_count} files.")
+    return code_content
+
+def analyze_code(code_context):
+    model = genai.GenerativeModel(MODEL_NAME)
+    
+    prompt = f"""
+    You are an expert Static Application Security Testing (SAST) tool and Senior Software Engineer.
+    Analyze the following codebase for:
+    1. Security Vulnerabilities (OWASP Top 10, Injection, XSS, etc.)
+    2. Code Smells & Anti-patterns
+    3. Performance Issues
+    4. Dependency checks (based on build.gradle)
+    
+    Format your response as a professional Markdown report with the following sections:
+    - **Executive Summary**: High-level overview of health.
+    - **Critical Vulnerabilities**: Immediate security threats.
+    - **Code Quality Issues**: Maintainability and logic suggestions.
+    - **Recommendations**: Specific code fixes.
+    
+    Here is the codebase:
+    {code_context}
+    """
+    
+    # Generate content
+    # Set safety settings to block none to ensure we get the full critique even if code is "unsafe"
+    response = model.generate_content(
+        prompt,
+        generation_config={"temperature": 0.2}
+    )
+    
+    return response.text
+
+def main():
+    print("Gathering code...")
+    code_context = get_code_context(ROOT_DIR)
+    
+    print("Sending to Gemini for analysis...")
+    report = analyze_code(code_context)
+    
+    with open(OUTPUT_FILE, "w", encoding="utf-8") as f:
+        f.write(report)
+    print(f"Report generated: {OUTPUT_FILE}")
+
+if __name__ == "__main__":
+    main()