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Add pinterest domain and asset domains for link preview support

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Co-authored-by: ken@signal.org
Co-authored-by: @cmswalker
This commit is contained in:
Michael Walker 2019-04-12 15:41:55 -07:00 • committed by Scott Nonnenberg
parent 2a5cd3e4ea
commit 4a8e0bd466
2 changed files with 41 additions and 4 deletions
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9
js/modules/link_previews.js
View file

@ -34,6 +34,9 @@ const SUPPORTED_DOMAINS = [
'instagram.com',
'www.instagram.com',
'm.instagram.com',
'pinterest.com',
'www.pinterest.com',
'pin.it',
];
function isLinkInWhitelist(link) {
try {
@ -58,7 +61,7 @@ function isLinkInWhitelist(link) {
}
}
const SUPPORTED_MEDIA_DOMAINS = /^([^.]+\.)*(ytimg.com|cdninstagram.com|redd.it|imgur.com|fbcdn.net)$/i;
const SUPPORTED_MEDIA_DOMAINS = /^([^.]+\.)*(ytimg.com|cdninstagram.com|redd.it|imgur.com|fbcdn.net|pinimg.com)$/i;
function isMediaLinkInWhitelist(link) {
try {
const url = new URL(link);
@ -81,8 +84,8 @@ function isMediaLinkInWhitelist(link) {
}
}
const META_TITLE = /<meta\s+property="og:title"\s+content="([\s\S]+?)"\s*\/?\s*>/im;
const META_IMAGE = /<meta\s+property="og:image"\s+content="([\s\S]+?)"\s*\/?\s*>/im;
const META_TITLE = /<meta\s+property="og:title"[^>]+?content="([\s\S]+?)"[^>]*>/im;
const META_IMAGE = /<meta\s+property="og:image"[^>]+?content="([\s\S]+?)"[^>]*>/im;
function _getMetaTag(html, regularExpression) {
const match = regularExpression.exec(html);
if (match && match[1]) {

36
test/modules/link_previews_test.js
View file

@ -37,6 +37,12 @@ describe('Link previews', () => {
isLinkInWhitelist('https://m.instagram.com/blah'),
true
);
assert.strictEqual(isLinkInWhitelist('https://pinterest.com/blah'), true);
assert.strictEqual(
isLinkInWhitelist('https://www.pinterest.com/blah'),
true
);
assert.strictEqual(isLinkInWhitelist('https://pin.it/blah'), true);
});
it('returns false for subdomains', () => {
@ -109,6 +115,10 @@ describe('Link previews', () => {
isMediaLinkInWhitelist('https://i.imgur.com/something'),
true
);
assert.strictEqual(
isMediaLinkInWhitelist('https://pinimg.com/something'),
true
);
});
it('returns false for insecure protocol', () => {
@ -130,6 +140,10 @@ describe('Link previews', () => {
isMediaLinkInWhitelist('http://i.imgur.com/something'),
false
);
assert.strictEqual(
isMediaLinkInWhitelist('http://pinimg.com/something'),
false
);
});
it('returns false for other domains', () => {
@ -192,7 +206,7 @@ describe('Link previews', () => {
);
});
it('returns html-decoded tag contents from Instagram', () => {
it('returns html-decoded tag contents from Imgur', () => {
const imgur = `
<meta property="og:site_name" content="Imgur">
<meta property="og:url" content="https://imgur.com/gallery/KFCL8fm">
@ -211,6 +225,26 @@ describe('Link previews', () => {
);
});
it('returns html-decoded tag contents from Pinterest', () => {
const pinterest = `
<meta property="og:image" name="og:image" content="https://i.pinimg.com/736x/9a/9e/64/9a9e64ed6b42b0a0e480dded4579d940--yard-sale-mulches.jpg" data-app>
<meta property="og:image:height" name="og:image:height" content="200" data-app>
<meta property="og:image:width" name="og:image:width" content="300" data-app>
<meta property="og:title" name="og:title" content="Inexpensive Landscaping Ideas" data-app>
<meta property="og:type" name="og:type" content="pinterestapp:pin" data-app>
<meta property="og:url" name="og:url" content="https://www.pinterest.com/pin/3166662212807634/" data-app>
`;
assert.strictEqual(
'Inexpensive Landscaping Ideas',
getTitleMetaTag(pinterest)
);
assert.strictEqual(
'https://i.pinimg.com/736x/9a/9e/64/9a9e64ed6b42b0a0e480dded4579d940--yard-sale-mulches.jpg',
getImageMetaTag(pinterest)
);
});
it('returns only the first tag', () => {
const html = `
<meta property="og:title" content="First&nbsp;Second&nbsp;Third"><meta property="og:title" content="Fourth&nbsp;Fifth&nbsp;Sixth">