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Ghost/test/api-acceptance/admin/oembed_spec.js
Kevin Ansfield 5c5bf2d3b0 Fixed oembed tests being network dependent 
no issue

- some tests started failing locally because example.com was not resolvable
- mocked dns lookup for all tests so that we're always testing against expected public/private IP address blocks
2020-11-30 21:44:15 +00:00

649 lines
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const nock = require('nock');
const sinon = require('sinon');
const should = require('should');
const supertest = require('supertest');
const testUtils = require('../../utils/index');
const config = require('../../../core/shared/config/index');
const localUtils = require('./utils');
// for sinon stubs
const dnsPromises = require('dns').promises;
const ghost = testUtils.startGhost;
describe('Oembed API', function () {
let ghostServer;
let request;
before(function () {
return ghost()
.then((_ghostServer) => {
ghostServer = _ghostServer;
request = supertest.agent(config.get('url'));
})
.then(() => {
return localUtils.doAuth(request);
});
});
beforeEach(function () {
// ensure sure we're not network dependent
sinon.stub(dnsPromises, 'lookup').callsFake(function () {
return Promise.resolve({address: '123.123.123.123'});
});
});
afterEach(function () {
sinon.restore();
nock.cleanAll();
});
it('can fetch an embed', function (done) {
let requestMock = nock('https://www.youtube.com')
.get('/oembed')
.query(true)
.reply(200, {
html: '<iframe width="480" height="270" src="https://www.youtube.com/embed/E5yFcdPAGv0?feature=oembed" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>',
thumbnail_width: 480,
width: 480,
author_url: 'https://www.youtube.com/user/gorillaz',
height: 270,
thumbnail_height: 360,
provider_name: 'YouTube',
title: 'Gorillaz - Humility (Official Video)',
provider_url: 'https://www.youtube.com/',
author_name: 'Gorillaz',
version: '1.0',
thumbnail_url: 'https://i.ytimg.com/vi/E5yFcdPAGv0/hqdefault.jpg',
type: 'video'
});
request.get(localUtils.API.getApiQuery('oembed/?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DE5yFcdPAGv0'))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(200)
.end(function (err, res) {
if (err) {
return done(err);
}
requestMock.isDone().should.be.true();
should.exist(res.body.html);
done();
});
});
describe('type: bookmark', function () {
it('can fetch a bookmark with ?type=bookmark', function (done) {
const pageMock = nock('https://example.com')
.get('/')
.reply(
200,
'<html><head><title>TESTING</title></head><body></body></html>',
{'content-type': 'text/html'}
);
const url = encodeURIComponent('https://example.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}&type=bookmark`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(200)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
res.body.type.should.eql('bookmark');
res.body.url.should.eql('https://example.com');
res.body.metadata.title.should.eql('TESTING');
done();
});
});
it('falls back to bookmark without ?type=embed and no oembed metatag', function (done) {
const pageMock = nock('https://example.com')
.get('/')
.times(2) // 1st = oembed metatag check, 2nd = metascraper
.reply(
200,
'<html><head><title>TESTING</title></head><body></body></html>',
{'content-type': 'text/html'}
);
const url = encodeURIComponent('https://example.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(200)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
res.body.type.should.eql('bookmark');
res.body.url.should.eql('https://example.com');
res.body.metadata.title.should.eql('TESTING');
done();
});
});
it('errors with useful message when title is unavailable', function (done) {
const pageMock = nock('https://example.com')
.get('/')
.reply(
200,
'<html><head><title></title></head><body></body></html>',
{'content-type': 'text/html'}
);
const url = encodeURIComponent('https://example.com');
request.get(localUtils.API.getApiQuery(`oembed/?type=bookmark&url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
should.exist(res.body.errors);
res.body.errors[0].context.should.match(/insufficient metadata/i);
done();
});
});
});
describe('with unknown provider', function () {
it('fetches url and follows redirects', function (done) {
const redirectMock = nock('http://test.com/')
.get('/')
.reply(302, undefined, {Location: 'http://oembed.test.com'});
const pageMock = nock('http://oembed.test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://oembed.test.com/my-embed"></head></html>');
const oembedMock = nock('http://oembed.test.com')
.get('/my-embed')
.reply(200, {
version: '1.0',
type: 'link'
});
const url = encodeURIComponent('http://test.com/');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(200)
.end(function (err, res) {
if (err) {
return done(err);
}
redirectMock.isDone().should.be.true();
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.true();
done();
});
});
it('fetches url and follows <link rel="alternate">', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://test.com/oembed"></head></html>');
const oembedMock = nock('http://test.com')
.get('/oembed')
.reply(200, {
version: '1.0',
type: 'link'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(200)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.true();
done();
});
});
it('follows redirects when fetching <link rel="alternate">', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://test.com/oembed"></head></html>');
const alternateRedirectMock = nock('http://test.com')
.get('/oembed')
.reply(301, undefined, {Location: 'http://test.com/oembed-final'});
const alternateMock = nock('http://test.com')
.get('/oembed-final')
.reply(200, {
version: '1.0',
type: 'link'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(200)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
alternateRedirectMock.isDone().should.be.true();
alternateMock.isDone().should.be.true();
done();
});
});
it('rejects invalid oembed responses', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://test.com/oembed"></head></html>');
const oembedMock = nock('http://test.com')
.get('/oembed')
.reply(200, {
version: '1.0',
html: 'test'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.true();
done();
});
});
it('rejects unknown oembed types', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://test.com/oembed"></head></html>');
const oembedMock = nock('http://test.com')
.get('/oembed')
.reply(200, {
version: '1.0',
type: 'unknown'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.true();
done();
});
});
it('rejects invalid photo responses', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://test.com/oembed"></head></html>');
const oembedMock = nock('http://test.com')
.get('/oembed')
.reply(200, {
// no `url` field
version: '1.0',
type: 'photo',
thumbnail_url: 'https://test.com/thumbnail.jpg'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.true();
done();
});
});
it('rejects invalid video responses', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://test.com/oembed"></head></html>');
const oembedMock = nock('http://test.com')
.get('/oembed')
.reply(200, {
// no `html` field
version: '1.0',
type: 'video',
thumbnail_url: 'https://test.com/thumbnail.jpg'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.true();
done();
});
});
it('strips unknown response fields', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://test.com/oembed"></head></html>');
const oembedMock = nock('http://test.com')
.get('/oembed')
.reply(200, {
version: '1.0',
type: 'video',
html: '<p>Test</p>',
width: 200,
height: 100,
unknown: 'test'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(200)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.true();
res.body.should.deepEqual({
version: '1.0',
type: 'video',
html: '<p>Test</p>',
width: 200,
height: 100
});
should.not.exist(res.body.unknown);
done();
});
});
it('skips fetching IPv4 addresses', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://192.168.0.1/oembed"></head></html>');
const oembedMock = nock('http://192.168.0.1')
.get('/oembed')
.reply(200, {
version: '1.0',
type: 'link'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.false();
done();
});
});
it('skips fetching IPv6 addresses', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://[2607:f0d0:1002:51::4]:9999/oembed"></head></html>');
const oembedMock = nock('http://[2607:f0d0:1002:51::4]:9999')
.get('/oembed')
.reply(200, {
version: '1.0',
type: 'link'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.false();
done();
});
});
it('skips fetching localhost', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://localhost:9999/oembed"></head></html>');
const oembedMock = nock('http://localhost:9999')
.get('/oembed')
.reply(200, {
// no `html` field
version: '1.0',
type: 'video',
thumbnail_url: 'https://test.com/thumbnail.jpg'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.false();
done();
});
});
it('skips fetching url that resolves to private IP', function (done) {
dnsPromises.lookup.restore();
sinon.stub(dnsPromises, 'lookup').callsFake(function (hostname) {
if (hostname === 'page.com') {
return Promise.resolve({address: '192.168.0.1'});
} else {
return Promise.resolve({address: '123.123.123.123'});
}
});
const pageMock = nock('http://page.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://oembed.com/oembed"></head></html>');
const oembedMock = nock('http://oembed.com')
.get('/oembed')
.reply(200, {
version: '1.0',
type: 'link'
});
const url = encodeURIComponent('http://page.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.false();
oembedMock.isDone().should.be.false();
done();
});
});
it('aborts fetching if a redirect resolves to private IP', function (done) {
dnsPromises.lookup.restore();
sinon.stub(dnsPromises, 'lookup').callsFake(async function (hostname) {
if (hostname === 'page.com') {
return Promise.resolve({address: '192.168.0.1'});
} else {
return Promise.resolve({address: '123.123.123.123'});
}
});
const redirectMock = nock('http://redirect.com')
.get('/')
.reply(301, undefined, {Location: 'http://page.com'});
const pageMock = nock('http://page.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://oembed.com/oembed"></head></html>');
const oembedMock = nock('http://oembed.com')
.get('/oembed')
.reply(200, {
version: '1.0',
type: 'link'
});
const url = encodeURIComponent('http://redirect.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
redirectMock.isDone().should.be.true();
pageMock.isDone().should.be.false();
oembedMock.isDone().should.be.false();
done();
});
});
it('skips fetching <link rel="alternate"> if it resolves to a private IP', function (done) {
dnsPromises.lookup.restore();
sinon.stub(dnsPromises, 'lookup').callsFake(function (hostname) {
if (hostname === 'oembed.com') {
return Promise.resolve({address: '192.168.0.1'});
} else {
return Promise.resolve({address: '123.123.123.123'});
}
});
const pageMock = nock('http://page.com')
.get('/')
.reply(200, '<html><head><link rel="alternate" type="application/json+oembed" href="http://oembed.com/oembed"></head></html>');
const oembedMock = nock('http://oembed.com')
.get('/oembed')
.reply(200, {
version: '1.0',
type: 'link'
});
const url = encodeURIComponent('http://page.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(422)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.false();
done();
});
});
it('falls back to bookmark card for WP oembeds', function (done) {
const pageMock = nock('http://test.com')
.get('/')
.twice() // oembed fetch then bookmark fetch
.reply(
200,
'<html><head><link rel="alternate" type="application/json+oembed" href="http://test.com/wp-json/oembed/embed?url=https%3A%2F%2Ftest.com%2F"><title>TESTING</title></head><body></body></html>',
{'content-type': 'text/html'}
);
const oembedMock = nock('http://test.com')
.get('/wp-json/oembed/embed')
.reply(200, {
version: '1.0',
type: 'link'
});
const url = encodeURIComponent('http://test.com');
request.get(localUtils.API.getApiQuery(`oembed/?url=${url}`))
.set('Origin', config.get('url'))
.expect('Content-Type', /json/)
.expect('Cache-Control', testUtils.cacheRules.private)
.expect(200)
.end(function (err, res) {
if (err) {
return done(err);
}
pageMock.isDone().should.be.true();
oembedMock.isDone().should.be.false();
done();
});
});
});
});
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