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Check localstorage availability before accessing it #5616

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merged 3 commits into from
Sep 15, 2020
Merged

Check localstorage availability before accessing it #5616

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59a8262
Check localstorage availability before accessint it
Aug 17, 2020
d5204ad
Fix UTest for IE11
Sep 8, 2020
cf3f014
Restore window.localStorage property descriptor after each test
Sep 14, 2020
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6 changes: 3 additions & 3 deletions src/storageManager.js
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,7 @@ export function newStorageManager({gvlid, moduleName, moduleType} = {}) {
*/
const setDataInLocalStorage = function (key, value, done) {
let cb = function (result) {
if (result && result.valid) {
if (result && result.valid && hasLocalStorage()) {
window.localStorage.setItem(key, value);
}
}
Expand All @@ -174,7 +174,7 @@ export function newStorageManager({gvlid, moduleName, moduleType} = {}) {
*/
const getDataFromLocalStorage = function (key, done) {
let cb = function (result) {
if (result && result.valid) {
if (result && result.valid && hasLocalStorage()) {
return window.localStorage.getItem(key);
}
return null;
Expand All @@ -194,7 +194,7 @@ export function newStorageManager({gvlid, moduleName, moduleType} = {}) {
*/
const removeDataFromLocalStorage = function (key, done) {
let cb = function (result) {
if (result && result.valid) {
if (result && result.valid && hasLocalStorage()) {
window.localStorage.removeItem(key);
}
}
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27 changes: 27 additions & 0 deletions test/spec/unit/core/storageManager_spec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -42,5 +42,32 @@ describe('storage manager', function() {
storage.setCookie('foo1', 'baz1');
expect(deviceAccessSpy.calledOnce).to.equal(true);
deviceAccessSpy.restore();
});

describe('localstorage forbidden access in 3rd-party context', function() {
let errorLogSpy;
const originalLocalStorage = { get: () => window.localStorage };
const localStorageMock = { get: () => { throw Error } };

beforeEach(function() {
Object.defineProperty(window, 'localStorage', localStorageMock);
errorLogSpy = sinon.spy(utils, 'logError');
});

afterEach(function() {
Object.defineProperty(window, 'localStorage', originalLocalStorage);
errorLogSpy.restore();
})

it('should not throw if the localstorage is not accessible when setting/getting/removing from localstorage', function() {
const coreStorage = getStorageManager();

coreStorage.setDataInLocalStorage('key', 'value');
const val = coreStorage.getDataFromLocalStorage('key');
coreStorage.removeDataFromLocalStorage('key');

expect(val).to.be.null;
sinon.assert.calledThrice(errorLogSpy);
})
})
});