evinse.js

#!/usr/bin/env node

import fs from "node:fs";
import process from "node:process";
import { findUpSync } from "find-up";
import { load as _load } from "js-yaml";
// Evinse (Evinse Verification Is Nearly SBOM Evidence)
import yargs from "yargs";
import { hideBin } from "yargs/helpers";
import {
  printCallStack,
  printOccurrences,
  printReachables,
  printServices,
} from "../display.js";
import { analyzeProject, createEvinseFile, prepareDB } from "../evinser.js";
import { ATOM_DB } from "../utils.js";
import { validateBom } from "../validator.js";

// Support for config files
const configPath = findUpSync([
  ".cdxgenrc",
  ".cdxgen.json",
  ".cdxgen.yml",
  ".cdxgen.yaml",
]);
let config = {};
if (configPath) {
  try {
    if (configPath.endsWith(".yml") || configPath.endsWith(".yaml")) {
      config = _load(fs.readFileSync(configPath, "utf-8"));
    } else {
      config = JSON.parse(fs.readFileSync(configPath, "utf-8"));
    }
  } catch (e) {
    console.log("Invalid config file", configPath);
  }
}

const args = yargs(hideBin(process.argv))
  .env("EVINSE")
  .option("input", {
    alias: "i",
    description: "Input SBOM file. Default bom.json",
    default: "bom.json",
  })
  .option("output", {
    alias: "o",
    description: "Output file. Default bom.evinse.json",
    default: "bom.evinse.json",
  })
  .option("language", {
    alias: "l",
    description: "Application language",
    default: "java",
    choices: [
      "java",
      "jar",
      "js",
      "ts",
      "javascript",
      "py",
      "python",
      "android",
      "c",
      "cpp",
      "php",
    ],
  })
  .option("db-path", {
    description: `Atom slices DB path. Default ${ATOM_DB}`,
    default: process.env.ATOM_DB || ATOM_DB,
  })
  .option("force", {
    description: "Force creation of the database",
    default: false,
    type: "boolean",
  })
  .option("skip-maven-collector", {
    description:
      "Skip collecting jars from maven and gradle caches. Can speedup re-runs if the data was cached previously.",
    default: false,
    type: "boolean",
  })
  .option("with-deep-jar-collector", {
    description:
      "Enable collection of all jars from maven cache directory. Useful to improve the recall for callstack evidence.",
    default: false,
    type: "boolean",
  })
  .option("annotate", {
    description: "Include contents of atom slices as annotations",
    default: false,
    type: "boolean",
  })
  .option("with-data-flow", {
    description: "Enable inter-procedural data-flow slicing.",
    default: false,
    type: "boolean",
  })
  .option("with-reachables", {
    description:
      "Enable auto-tagged reachable slicing. Requires SBOM generated with --deep mode.",
    default: false,
    type: "boolean",
  })
  .option("usages-slices-file", {
    description: "Use an existing usages slices file.",
    default: "usages.slices.json",
  })
  .option("data-flow-slices-file", {
    description: "Use an existing data-flow slices file.",
    default: "data-flow.slices.json",
  })
  .option("reachables-slices-file", {
    description: "Use an existing reachables slices file.",
    default: "reachables.slices.json",
  })
  .option("print", {
    alias: "p",
    type: "boolean",
    description: "Print the evidences as table",
  })
  .example([
    [
      "$0 -i bom.json -o bom.evinse.json -l java .",
      "Generate a Java SBOM with evidence for the current directory",
    ],
    [
      "$0 -i bom.json -o bom.evinse.json -l java --with-reachables .",
      "Generate a Java SBOM with occurrence and reachable evidence for the current directory",
    ],
  ])
  .completion("completion", "Generate bash/zsh completion")
  .epilogue("for documentation, visit https://cyclonedx.github.io/cdxgen")
  .config(config)
  .scriptName("evinse")
  .version()
  .help("h")
  .wrap(Math.min(120, yargs().terminalWidth())).argv;

const evinseArt = `
███████╗██╗   ██╗██╗███╗   ██╗███████╗███████╗
██╔════╝██║   ██║██║████╗  ██║██╔════╝██╔════╝
█████╗  ██║   ██║██║██╔██╗ ██║███████╗█████╗
██╔══╝  ╚██╗ ██╔╝██║██║╚██╗██║╚════██║██╔══╝
███████╗ ╚████╔╝ ██║██║ ╚████║███████║███████╗
╚══════╝  ╚═══╝  ╚═╝╚═╝  ╚═══╝╚══════╝╚══════╝
`;

console.log(evinseArt);
(async () => {
  // First, prepare the database by cataloging jars and other libraries
  const dbObjMap = await prepareDB(args);
  if (dbObjMap) {
    // Analyze the project using atom. Convert package namespaces to purl using the db
    const sliceArtefacts = await analyzeProject(dbObjMap, args);
    // Create the SBOM with Evidence
    const bomJson = createEvinseFile(sliceArtefacts, args);
    // Validate our final SBOM
    if (!validateBom(bomJson)) {
      process.exit(1);
    }
    if (args.print) {
      printOccurrences(bomJson);
      printCallStack(bomJson);
      printReachables(sliceArtefacts);
      printServices(bomJson);
    }
  }
})();