build: Support dynamically injecting threat packs or mitigation packs in build time

.projenrc.ts

@@ -1,14 +1,16 @@
-import ThreatComposerMonorepoProject from "./projenrc/monorepo";
-import ThreatComposerUIComponentsProject from "./projenrc/ui-components";
 import ThreatComposerReactAppProject from "./projenrc/app";
+import ThreatComposerBrowserExtensionProject from "./projenrc/browser-extension";
 import ThreatComposerInfraProject from "./projenrc/infra";
-import ThreatComposerBrowserExtensionProject from './projenrc/browser-extension';
+import ThreatComposerMonorepoProject from "./projenrc/monorepo";
+import ThreatComposerUIComponentsProject from "./projenrc/ui-components";
 
 const monorepo = new ThreatComposerMonorepoProject();
 const uiProject = new ThreatComposerUIComponentsProject(monorepo);
 const appProject = new ThreatComposerReactAppProject(monorepo, uiProject);
 const infraProject = new ThreatComposerInfraProject(monorepo);
-const browserExtensionProject = new ThreatComposerBrowserExtensionProject(monorepo);
+const browserExtensionProject = new ThreatComposerBrowserExtensionProject(
+  monorepo
+);
 
 monorepo.addImplicitDependency(appProject, uiProject);
 monorepo.addImplicitDependency(infraProject, appProject);

packages/threat-composer/src/data/mitigationPacks/mitigationPacks.ts

@@ -15,9 +15,11 @@
  ******************************************************************************************************************** */
 import GenAIChatbot from './generated/GenAIChatbot.json';
 import { MitigationPack } from '../../customTypes';
+// {IMPORT_PLACEHOLDER}
 
 const mitigationPacks = [
   GenAIChatbot,
+  // {ENTRY_PLACEHOLDER}
 ] as MitigationPack[];
 
 export default mitigationPacks;

packages/threat-composer/src/data/threatPacks/threatPacks.ts

@@ -15,9 +15,12 @@
  ******************************************************************************************************************** */
 import GenAIChatbot from './generated/GenAIChatbot.json';
 import { ThreatPack } from '../../customTypes';
+// {IMPORT_PLACEHOLDER}
 
 const threatPacks = [
   GenAIChatbot,
+  // {ENTRY_PLACEHOLDER}
 ] as ThreatPack[];
 
+
 export default threatPacks;

scripts/packs/injectPacks.ts

@@ -0,0 +1,117 @@
+import fs from "fs";
+import path from "path";
+
+const IMPORT_PLACEHOLDER = "// {IMPORT_PLACEHOLDER}";
+const ENTRY_PLACEHOLDER = "// {ENTRY_PLACEHOLDER}";
+
+const DATA_FOLDER = path.join(
+  __dirname,
+  "..",
+  "..",
+  "packages",
+  "threat-composer",
+  "src",
+  "data"
+);
+
+const THREAT_PACKS_FOLDER = path.join(DATA_FOLDER, "threatPacks");
+
+const THREAT_PACKS_FILE = path.join(THREAT_PACKS_FOLDER, "threatPacks.ts");
+
+const MITIGATION_PACKS_FOLDER = path.join(DATA_FOLDER, "mitigationPacks");
+
+const MITIGATION_PACKS_FILE = path.join(
+  MITIGATION_PACKS_FOLDER,
+  "mitigationPacks.ts"
+);
+
+const readFileContent = (filePath: string) => {
+  return fs.readFileSync(filePath, { encoding: "utf8", flag: "r" });
+};
+
+const writeFileContent = (filePath: string, content: string) => {
+  return fs.writeFileSync(filePath, content);
+};
+
+const injectPackEntry = (packDefinition: string, filePaths: string[]) => {
+  const fileNames: string[] = [];
+  const importFiles = filePaths
+    .map((filePath) => {
+      const fileName = path
+        .basename(filePath, path.extname(filePath))
+        .replace(/[^a-zA-Z0-9]+/gm, "_");
+      fileNames.push(fileName);
+      const importFile = `import ${fileName} from "${filePath}";`;
+      return importFile;
+    })
+    .join("\n");
+
+  let updatedPackDefiniton = packDefinition
+    .replace(IMPORT_PLACEHOLDER, importFiles)
+    .replace(
+      ENTRY_PLACEHOLDER,
+      `${fileNames.map((fn) => `${fn},`).join("\n")}`
+    );
+
+  return updatedPackDefiniton;
+};
+
+const listFilePaths = (dir: string) => {
+  const filePaths: string[] = [];
+
+  fs.readdirSync(dir).forEach((x) => {
+    const filePath = path.join(dir, x);
+    if (fs.lstatSync(filePath).isDirectory()) {
+      filePaths.push(...listFilePaths(filePath));
+    }
+
+    if (x.endsWith(".json")) {
+      filePaths.push(filePath);
+    }
+  });
+
+  return filePaths;
+};
+
+const main = () => {
+  const args = process.argv;
+
+  console.log("Arguments", args);
+
+  const lenArgs = args.length;
+
+  if (lenArgs !== 4) {
+    console.log(
+      "Usage: npx ts-node ./scripts/packs/injectPacks.ts <ThreatPack|MitigationPack> <SourceDir-relative path to the relative pack folder>"
+    );
+    return -1;
+  }
+
+  const input = {
+    type: args[lenArgs - 2],
+    dir: args[lenArgs - 1],
+  };
+
+  const packFilePath =
+    input.type === "ThreatPack" ? THREAT_PACKS_FILE : MITIGATION_PACKS_FILE;
+  const packDefinition = readFileContent(packFilePath);
+
+  console.log(`Pack file to be update: ${packFilePath}`);
+
+  const packFileFolder =
+    input.type === "ThreatPack" ? THREAT_PACKS_FOLDER : MITIGATION_PACKS_FOLDER;
+
+  const importPackFolder = path.join(packFileFolder, input.dir);
+
+  console.log(`Imported pack folder ${importPackFolder}`);
+
+  const filePaths = listFilePaths(importPackFolder);
+
+  const updatedPackDefiniton = injectPackEntry(packDefinition, filePaths);
+
+  writeFileContent(packFilePath, updatedPackDefiniton);
+
+  return 0;
+};
+
+main();