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Update AMXIdSystem logic, allow non-html5 storage, refactor sharedId …
…domainOverride function into library
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| /** | ||
| * Create a domainOverride callback for an ID module, closing over | ||
| * an instance of StorageManager. | ||
| * | ||
| * The domainOverride function, given document.domain, will return | ||
| * the topmost domain we are able to set a cookie on. For example, | ||
| * given subdomain.example.com, it would return example.com. | ||
| * | ||
| * @param {StorageManager} storage e.g. from getStorageManager() | ||
| * @param {string} moduleName the name of the module using this function | ||
| * @returns {function(): string} | ||
| */ | ||
| export function domainOverrideToRootDomain(storage, moduleName) { | ||
| return function() { | ||
| const domainElements = document.domain.split('.'); | ||
| const cookieName = `_gd${Date.now()}_${moduleName}`; | ||
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| for (let i = 0, topDomain, testCookie; i < domainElements.length; i++) { | ||
| const nextDomain = domainElements.slice(i).join('.'); | ||
|
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| // write test cookie | ||
| storage.setCookie(cookieName, '1', undefined, undefined, nextDomain); | ||
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| // read test cookie to verify domain was valid | ||
| testCookie = storage.getCookie(cookieName); | ||
|
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| // delete test cookie | ||
| storage.setCookie(cookieName, '', 'Thu, 01 Jan 1970 00:00:01 GMT', undefined, nextDomain); | ||
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| if (testCookie === '1') { | ||
| // cookie was written successfully using test domain so the topDomain is updated | ||
| topDomain = nextDomain; | ||
| } else { | ||
| // cookie failed to write using test domain so exit by returning the topDomain | ||
| return topDomain; | ||
| } | ||
| } | ||
| } | ||
| } |
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76 changes: 76 additions & 0 deletions
76
test/spec/libraries/domainOverrideToRootDomain/index_spec.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| import { domainOverrideToRootDomain } from 'libraries/domainOverrideToRootDomain/index.js'; | ||
| import {getStorageManager} from 'src/storageManager.js'; | ||
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| const storage = getStorageManager(); | ||
| const domainOverride = domainOverrideToRootDomain(storage, 'test'); | ||
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| describe('domainOverride', () => { | ||
| let sandbox, domain, cookies, rejectCookiesFor; | ||
| let setCookieStub; | ||
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| beforeEach(() => { | ||
| sandbox = sinon.createSandbox(); | ||
| sandbox.stub(document, 'domain').get(() => domain); | ||
| cookies = {}; | ||
| sandbox.stub(storage, 'getCookie').callsFake((key) => cookies[key]); | ||
| rejectCookiesFor = null; | ||
| setCookieStub = sandbox.stub(storage, 'setCookie').callsFake((key, value, expires, sameSite, domain) => { | ||
| if (domain !== rejectCookiesFor) { | ||
| if (expires != null) { | ||
| expires = new Date(expires); | ||
| } | ||
| if (expires == null || expires > Date.now()) { | ||
| cookies[key] = value; | ||
| } else { | ||
| delete cookies[key]; | ||
| } | ||
| } | ||
| }); | ||
| }); | ||
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| afterEach(() => sandbox.restore()) | ||
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| it('test cookies include the module name', () => { | ||
| domain = 'greatpublisher.com' | ||
| rejectCookiesFor = 'greatpublisher.com' | ||
|
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| // stub Date.now() to return a constant value | ||
| sandbox.stub(Date, 'now').returns(1234567890) | ||
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| const randomName = `adapterV${(Math.random() * 1e8).toString(16)}` | ||
| const localDomainOverride = domainOverrideToRootDomain(storage, randomName) | ||
|
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| const time = Date.now(); | ||
| localDomainOverride(); | ||
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| sandbox.assert.callCount(setCookieStub, 2) | ||
| sandbox.assert.calledWith(setCookieStub, `_gd${time}_${randomName}`, '1', undefined, undefined, 'greatpublisher.com') | ||
| }); | ||
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| it('will return the root domain when given a subdomain', () => { | ||
| const test_domains = [ | ||
| 'deeply.nested.subdomain.for.greatpublisher.com', | ||
| 'greatpublisher.com', | ||
| 'subdomain.greatpublisher.com', | ||
| 'a-subdomain.greatpublisher.com', | ||
| ]; | ||
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| test_domains.forEach((testDomain) => { | ||
| domain = testDomain | ||
| rejectCookiesFor = 'com' | ||
| expect(domainOverride()).to.equal('greatpublisher.com'); | ||
| }); | ||
| }); | ||
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| it(`If we can't set cookies on the root domain, we'll return the subdomain`, () => { | ||
| domain = 'subdomain.greatpublisher.com' | ||
| rejectCookiesFor = 'greatpublisher.com' | ||
| expect(domainOverride()).to.equal('subdomain.greatpublisher.com'); | ||
| }); | ||
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| it('Will return undefined if we can\'t set cookies on the root domain or the subdomain', () => { | ||
| domain = 'subdomain.greatpublisher.com' | ||
| rejectCookiesFor = 'subdomain.greatpublisher.com' | ||
| expect(domainOverride()).to.equal(undefined); | ||
| }); | ||
| }); |
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