Fix .jar analysis via Syft & Grype

Author: bjk7119

install_tools.py

@@ -0,0 +1,143 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# Copyright (c) 2021 LG Electronics Inc.
+# SPDX-License-Identifier: Apache-2.0
+"""
+Standalone tool installer for syft and grype.
+This script can be run independently without any package dependencies.
+"""
+
+import platform
+import tarfile
+import zipfile
+from pathlib import Path
+from urllib.request import urlopen, urlretrieve
+
+
+def get_platform_info():
+    """Get platform and architecture information."""
+    system = platform.system().lower()
+    machine = platform.machine().lower()
+
+    # Normalize architecture names
+    if machine in ['x86_64', 'amd64']:
+        arch = 'amd64'
+    elif machine in ['aarch64', 'arm64']:
+        arch = 'arm64'
+    elif machine in ['i386', 'i686']:
+        arch = '386'
+    else:
+        arch = machine
+
+    return system, arch
+
+
+def get_latest_release_url(tool_name, system, arch):
+    """Get the latest release download URL for a tool."""
+    import json
+
+    # GitHub API to get latest release
+    api_url = f"https://api.github.com/repos/anchore/{tool_name}/releases/latest"
+
+    try:
+        with urlopen(api_url) as response:
+            release_data = json.loads(response.read().decode())
+
+        # Find the right asset for our platform
+        for asset in release_data['assets']:
+            name = asset['name'].lower()
+            if system in name and arch in name:
+                if system == 'windows' and name.endswith('.zip'):
+                    return asset['browser_download_url']
+                elif system != 'windows' and name.endswith('.tar.gz'):
+                    return asset['browser_download_url']
+
+    except Exception as e:
+        print(f"Failed to get release info for {tool_name}: {e}")
+
+    # Fallback to direct URLs
+    base_urls = {
+        'syft': f'https://github.com/anchore/syft/releases/latest/download/syft_{system}_{arch}',
+        'grype': f'https://github.com/anchore/grype/releases/latest/download/grype_{system}_{arch}'
+    }
+
+    if system == 'windows':
+        return f"{base_urls[tool_name]}.zip"
+    else:
+        return f"{base_urls[tool_name]}.tar.gz"
+
+
+def install_tool(tool_name, install_dir):
+    """Install a tool (syft or grype) to the specified directory."""
+    system, arch = get_platform_info()
+
+    print(f"Installing {tool_name} for {system}/{arch}...")
+
+    # Create install directory
+    install_path = Path(install_dir)
+    install_path.mkdir(parents=True, exist_ok=True)
+
+    # Get download URL
+    download_url = get_latest_release_url(tool_name, system, arch)
+
+    # Download file
+    if system == 'windows':
+        archive_name = f"{tool_name}.zip"
+    else:
+        archive_name = f"{tool_name}.tar.gz"
+
+    archive_path = install_path / archive_name
+
+    try:
+        print(f"Downloading {download_url}...")
+        urlretrieve(download_url, archive_path)
+
+        # Extract archive
+        if system == 'windows':
+            with zipfile.ZipFile(archive_path, 'r') as zip_ref:
+                zip_ref.extractall(install_path)
+        else:
+            with tarfile.open(archive_path, 'r:gz') as tar_ref:
+                tar_ref.extractall(install_path)
+
+        # Make executable (Unix systems)
+        if system != 'windows':
+            tool_binary = install_path / tool_name
+            if tool_binary.exists():
+                tool_binary.chmod(0o755)
+
+        # Clean up archive
+        archive_path.unlink()
+
+        print(f"✅ {tool_name} installed successfully!")
+        return True
+
+    except Exception as e:
+        print(f"❌ Failed to install {tool_name}: {e}")
+        return False
+
+
+def install_syft_grype():
+    """Install both syft and grype tools."""
+    # Determine install directory
+    home_dir = Path.home()
+    install_dir = home_dir / '.local' / 'bin'
+
+    print("Installing Syft and Grype tools...")
+    print(f"Install directory: {install_dir}")
+
+    # Install both tools
+    syft_ok = install_tool('syft', install_dir)
+    grype_ok = install_tool('grype', install_dir)
+
+    if syft_ok and grype_ok:
+        print("🎉 Both tools installed successfully!")
+        print(f"Make sure {install_dir} is in your PATH")
+        return True
+    else:
+        print("⚠️ Some tools failed to install")
+        return False
+
+
+if __name__ == '__main__':
+    install_syft_grype()

requirements.txt

@@ -9,4 +9,3 @@ pytz
 XlsxWriter
 PyYAML
 fosslight_util>=2.1.13
-dependency-check

setup.py

@@ -5,7 +5,40 @@
 from codecs import open
 import os
 import shutil
+import subprocess
+import sys
 from setuptools import setup, find_packages
+from setuptools.command.install import install
+
+
+class PostInstallCommand(install):
+    """Post-installation for installation mode."""
+    def run(self):
+        install.run(self)
+        
+        # Skip auto-install if explicitly disabled
+        if os.environ.get('FOSSLIGHT_SKIP_AUTO_INSTALL', '').lower() in ('1', 'true', 'yes'):
+            print("Auto-install disabled by environment variable")
+            return
+            
+        # Install syft and grype using standalone installer
+        try:
+            print("Installing syft and grype...")
+            # Use standalone installer script - no package dependencies!
+            script_path = os.path.join(os.path.dirname(__file__), 'install_tools.py')
+            if os.path.exists(script_path):
+                result = subprocess.run([sys.executable, script_path], 
+                                      capture_output=True, text=True)
+                if result.returncode == 0:
+                    print("Syft and grype installation completed.")
+                else:
+                    print(f"Warning: Tool installation failed: {result.stderr}")
+            else:
+                print("Warning: install_tools.py not found, skipping auto-install")
+        except Exception as e:
+            print(f"Warning: Failed to auto-install syft/grype: {e}")
+            print("You can install them manually or they will be installed on first use.")
+
 
 with open('README.md', 'r', 'utf-8') as f:
     readme = f.read()
@@ -63,11 +96,19 @@
         },
         package_data={_PACKAEG_NAME: [os.path.join(_LICENSE_DIR, '*')]},
         include_package_data=True,
+        # Include install_tools.py in the package
+        data_files=[
+            ('', ['install_tools.py']),
+        ],
+        cmdclass={
+            'install': PostInstallCommand,
+        },
         entry_points={
             "console_scripts": [
                 "binary_analysis = fosslight_binary.cli:main",
                 "fosslight_bin = fosslight_binary.cli:main",
                 "fosslight_binary = fosslight_binary.cli:main",
+                "fosslight_install_tools = fosslight_binary.install_cli:main",
             ]
         }
     )