feat(batchenforce): added batchEnforce (#338)

* feat(batchenforce): added batchEnforce

Added batchEnforce to enforce multiple requests

fix ##321

* fix: fixed lint issues

fixed lint errors while running tests

* fix: lint error fixed

lint error fixed

* feat: requested changes

made requested changes

321

* feat: made requested changes

made requested changes

321

src/coreEnforcer.ts

@@ -588,4 +588,14 @@ export class CoreEnforcer {
   public async enforceEx(...rvals: any[]): Promise<[boolean, string[]]> {
     return generatorRunAsync(this.privateEnforce(true, true, ...rvals));
   }
+
+  /**
+   * batchEnforce enforces each request and returns result in a bool array.
+   * @param rvals the request need to be mediated, usually an array
+   *              of array of strings, can be class instances if ABAC is used.
+   * @returns whether to allow the requests.
+   */
+  public async batchEnforce(rvals: any[]): Promise<boolean[]> {
+    return await Promise.all(rvals.map((rval) => this.enforce(...rval)));
+  }
 }

test/enforcer.test.ts

@@ -650,3 +650,12 @@ test('Test RBAC G2', async () => {
   expect(await e.enforce('alice', 'data1', 'read')).toBe(false);
   expect(await e.enforce('admin', 'data1', 'read')).toBe(true);
 });
+
+test('TestBatchEnforce', async () => {
+  const e = await newEnforcer('examples/basic_model.conf', 'examples/basic_policy.csv');
+  const requests: string[][] = [
+    ['alice', 'data1', 'read'],
+    ['bob', 'data2', 'write'],
+  ];
+  expect(await e.batchEnforce(requests)).toEqual([true, true]);
+});