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Removed members caching cookies when no member is logged in (#20349)
ref https://linear.app/tryghost/issue/KTLO-58/dont-send-ghost-acess-cookies-if-no-member-is-logged-in - Currently when member's caching is enabled, but no member is logged in, we always send `ghost-access=null;` and `ghost-access-hmac=null;` cookies in the requests to `/members/api/member/`. This is done to clear the cookies, but an unintended consequence is that these requests can never be cached since there is a cookie in the response. - This PR removes the cookies from the requests when no member is logged in, the cookies will not be sent, allowing the requests to be cached - It also unsets the cookies when deleting a member's session, so that the cookies are not sent in the requests after the member logs out - This should improve the cache hit ratio with members caching enabled
This commit is contained in:
Chris Raible
GitHub
parent
58dcbe9096
commit
4a6d427673
@ -29,12 +29,19 @@ const getFreeTier = async function getFreeTier() {
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/**
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* Sets the ghost-access and ghost-access-hmac cookies on the response object
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* @param {object} member - The member object
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* @param {Object} member - The member object
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* @param {import('express').Request} req - The member object
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* @param {import('express').Response} res - The express response object to set the cookies on
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* @param {Object} freeTier - The free tier object
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* @returns
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*/
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const setAccessCookies = function setAccessCookies(member = undefined, res, freeTier) {
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const setAccessCookies = function setAccessCookies(member, req, res, freeTier) {
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if (!member) {
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// If there is no cookie sent with the request, return early
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if (!req.headers.cookie || !req.headers.cookie.includes('ghost-access')) {
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return;
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}
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// If there are cookies sent with the request, set them to null and expire them immediately
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const accessCookie = `ghost-access=null; Max-Age=0; Path=/; HttpOnly; SameSite=Strict;`;
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const hmacCookie = `ghost-access-hmac=null; Max-Age=0; Path=/; HttpOnly; SameSite=Strict;`;
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const existingCookies = res.getHeader('Set-Cookie') || [];
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@ -70,7 +77,7 @@ const setAccessCookies = function setAccessCookies(member = undefined, res, free
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const accessInfoSession = async function accessInfoSession(req, res, next) {
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const freeTier = await getFreeTier();
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onHeaders(res, function () {
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setAccessCookies(req.member, res, freeTier);
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setAccessCookies(req.member, req, res, freeTier);
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});
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next();
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};
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@ -304,7 +311,7 @@ const createSessionFromMagicLink = async function createSessionFromMagicLink(req
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// Set the ghost-access cookies to enable tier-based caching
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try {
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const freeTier = await getFreeTier();
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setAccessCookies(member, res, freeTier);
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setAccessCookies(member, req, res, freeTier);
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} catch {
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// This is a non-critical operation, so we can safely ignore any errors
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}
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@ -461,6 +461,58 @@ Object {
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}
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`;
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exports[`Comments API when caching members content is enabled sets ghost-access and ghost-access-hmac cookies to null when not authenticated but a cookie is sent 1: [body] 1`] = `
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Object {
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"avatar_image": null,
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"created_at": StringMatching /\\\\d\\{4\\}-\\\\d\\{2\\}-\\\\d\\{2\\}T\\\\d\\{2\\}:\\\\d\\{2\\}:\\\\d\\{2\\}\\\\\\.000Z/,
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"email": "member@example.com",
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"email_suppression": Object {
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"info": null,
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"suppressed": false,
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},
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"enable_comment_notifications": true,
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"expertise": null,
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"firstname": null,
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"name": null,
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"newsletters": Array [
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Object {
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"description": null,
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"id": StringMatching /\\[a-f0-9\\]\\{24\\}/,
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"name": "Default Newsletter",
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"sort_order": 0,
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"uuid": StringMatching /\\[a-f0-9\\]\\{8\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{12\\}/,
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},
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Object {
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"description": null,
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"id": StringMatching /\\[a-f0-9\\]\\{24\\}/,
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"name": "Weekly newsletter",
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"sort_order": 2,
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"uuid": StringMatching /\\[a-f0-9\\]\\{8\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{12\\}/,
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},
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],
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"paid": false,
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"subscribed": false,
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"subscriptions": Array [],
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"uuid": StringMatching /\\[a-f0-9\\]\\{8\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{12\\}/,
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}
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`;
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exports[`Comments API when caching members content is enabled sets ghost-access and ghost-access-hmac cookies to null when not authenticated but a cookie is sent 2: [headers] 1`] = `
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Object {
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"access-control-allow-origin": "*",
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"cache-control": "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0",
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"content-length": "621",
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"content-type": "application/json; charset=utf-8",
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"etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
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"set-cookie": Array [
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StringMatching /\\^ghost-access=\\[0-9a-fA-F\\]\\{24\\}:\\\\d\\{10\\}/,
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StringMatching /\\^ghost-access-hmac=\\[a-fA-F0-9\\]\\{64\\}/,
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],
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"vary": "Accept-Encoding",
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"x-powered-by": "Express",
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}
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`;
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exports[`Comments API when not authenticated but enabled can update comment notifications 1: [body] 1`] = `
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Object {
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"email": "member1@test.com",
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@ -249,5 +249,37 @@ describe('Comments API', function () {
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body.email.should.eql(member.get('email'));
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});
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});
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it('does not set ghost-access and ghost-access-hmac cookies when not authenticated', async function () {
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configUtils.set('cacheMembersContent:enabled', true);
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configUtils.set('cacheMembersContent:hmacSecret', crypto.randomBytes(64).toString('base64'));
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membersAgent = await agentProvider.getMembersAPIAgent();
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await fixtureManager.init('newsletters', 'members:newsletters');
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await membersAgent
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.get(`/api/member/`)
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.expectStatus(204)
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.expectEmptyBody()
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.expect(({headers}) => {
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should.not.exist(headers['set-cookie']);
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});
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});
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it('sets ghost-access and ghost-access-hmac cookies to null when not authenticated but a cookie is sent', async function () {
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// This is to ensure that the cookies are reset when a user logs out
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configUtils.set('cacheMembersContent:enabled', true);
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configUtils.set('cacheMembersContent:hmacSecret', crypto.randomBytes(64).toString('base64'));
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membersAgent = await agentProvider.getMembersAPIAgent();
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await fixtureManager.init('newsletters', 'members:newsletters');
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// Send a ghost-access cookie but without a valid member session
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await membersAgent.jar.setCookie('ghost-access=fake;');
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await membersAgent
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.get('/api/member/')
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.expect(({headers}) => {
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should.exist(headers['set-cookie']);
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headers['set-cookie'].should.matchAny(/ghost-access=null;/);
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})
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.expectStatus(204)
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.expectEmptyBody();
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});
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});
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});
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@ -111,6 +111,11 @@ class MembersSSR {
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_removeSessionCookie(req, res) {
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const cookies = this._getCookies(req, res);
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cookies.set(this.sessionCookieName, null, this.sessionCookieOptions);
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// If members caching cookies are set, remove them
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if (cookies.get('ghost-access') || cookies.get('ghost-access-hmac')) {
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cookies.set('ghost-access', null, {...this.sessionCookieOptions, signed: false});
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cookies.set('ghost-access-hmac', null, {...this.sessionCookieOptions, signed: false});
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}
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}
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/**
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