test_permmanager_policy.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

const pm = Services.perms;

const { ALLOW_ACTION, DENY_ACTION, UNKNOWN_ACTION, EXPIRE_POLICY } =

  Ci.nsIPermissionManager;

const principal =

  Services.scriptSecurityManager.createContentPrincipalFromOrigin(

    "https://policy.example.com"

);

function checkPolicyPermission(message) {

  let perm = pm.getPermissionObject(principal, "cookie", true);

  Assert.equal(perm?.capability, ALLOW_ACTION, message);

  Assert.equal(perm?.expireType, EXPIRE_POLICY, message);

add_task(function test_policy_permission_removal() {

  pm.addFromPrincipal(principal, "cookie", ALLOW_ACTION, EXPIRE_POLICY);

  pm.removeFromPrincipal(principal, "cookie");

  checkPolicyPermission("removeFromPrincipal is silently dropped");

  pm.addFromPrincipal(principal, "cookie", DENY_ACTION, EXPIRE_POLICY);

  checkPolicyPermission("Changing with EXPIRE_POLICY is silently dropped");

  pm.addFromPrincipal(principal, "cookie", UNKNOWN_ACTION, EXPIRE_POLICY);

  Assert.equal(

    pm.getPermissionObject(principal, "cookie", true),

    null,

    "Removing with EXPIRE_POLICY is allowed"

);

});