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feat: support redirects for a list of header paths (#7411)

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* add country code to meta tag

* use blocked paths header

* proper types

* add test

* Update functions/components/metaTagInjector.ts

Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* Update functions/components/metaTagInjector.ts

Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* Update src/pages/App.tsx

Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* pr suggestions

* skip failing e2e

* revert test change

* take file from main

---------

Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>
This commit is contained in:
Connor McEwen 2023-10-05 15:25:45 -04:00 committed by GitHub
parent 3ced65b8a4
commit e6519a7dd1
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 47 additions and 14 deletions
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2
functions/[[index]].ts
View File

@ -11,7 +11,7 @@ export const onRequest: PagesFunction = async ({ request, next }) => {
}
const res = next()
try {
return new HTMLRewriter().on('head', new MetaTagInjector(data)).transform(await res)
return new HTMLRewriter().on('head', new MetaTagInjector(data, request)).transform(await res)
} catch (e) {
return res
}

26
functions/components/metaTagInjector.test.ts
View File

@ -6,12 +6,15 @@ test('should append meta tag to element', () => {
} as unknown as Element
const property = 'property'
const content = 'content'
const injector = new MetaTagInjector({
const injector = new MetaTagInjector(
{
title: 'test',
url: 'testUrl',
image: 'testImage',
description: 'testDescription',
})
},
new Request('http://localhost')
)
injector.append(element, property, content)
expect(element.append).toHaveBeenCalledWith(`<meta property="${property}" content="${content}"/>`, { html: true })
@ -36,3 +39,22 @@ test('should append meta tag to element', () => {
expect(element.append).toHaveBeenCalledTimes(13)
})
test('should pass through header blocked paths', () => {
const element = {
append: jest.fn(),
} as unknown as Element
const request = new Request('http://localhost')
request.headers.set('x-blocked-paths', '/')
const injector = new MetaTagInjector(
{
title: 'test',
url: 'testUrl',
image: 'testImage',
description: 'testDescription',
},
request
)
injector.element(element)
expect(element.append).toHaveBeenCalledWith(`<meta property="x:blocked-paths" content="/"/>`, { html: true })
})

7
functions/components/metaTagInjector.ts
View File

@ -10,7 +10,7 @@ type MetaTagInjectorInput = {
* to inject meta tags into the <head> of an HTML document.
*/
export class MetaTagInjector implements HTMLRewriterElementContentHandlers {
constructor(private input: MetaTagInjectorInput) {}
constructor(private input: MetaTagInjectorInput, private request: Request) {}
append(element: Element, property: string, content: string) {
element.append(`<meta property="${property}" content="${content}"/>`, { html: true })
@ -38,5 +38,10 @@ export class MetaTagInjector implements HTMLRewriterElementContentHandlers {
this.append(element, 'twitter:image', this.input.image)
this.append(element, 'twitter:image:alt', this.input.title)
}
const blockedPaths = this.request.headers.get('x-blocked-paths')
if (blockedPaths) {
this.append(element, 'x:blocked-paths', blockedPaths)
}
}
}

2
functions/nfts/asset/[[index]].ts
View File

@ -8,7 +8,7 @@ export const onRequest: PagesFunction = async ({ params, request, next }) => {
const { index } = params
const collectionAddress = index[0]?.toString()
const tokenId = index[1]?.toString()
return getMetadataRequest(res, request.url, () => getAsset(collectionAddress, tokenId, request.url))
return getMetadataRequest(res, request, () => getAsset(collectionAddress, tokenId, request.url))
} catch (e) {
return res
}

2
functions/nfts/collection/[index].ts
View File

@ -7,7 +7,7 @@ export const onRequest: PagesFunction = async ({ params, request, next }) => {
try {
const { index } = params
const collectionAddress = index?.toString()
return getMetadataRequest(res, request.url, () => getCollection(collectionAddress, request.url))
return getMetadataRequest(res, request, () => getCollection(collectionAddress, request.url))
} catch (e) {
return res
}

2
functions/tokens/[[index]].ts
View File

@ -11,7 +11,7 @@ export const onRequest: PagesFunction = async ({ params, request, next }) => {
if (!tokenAddress) {
return res
}
return getMetadataRequest(res, request.url, () => getToken(networkName, tokenAddress, request.url))
return getMetadataRequest(res, request, () => getToken(networkName, tokenAddress, request.url))
} catch (e) {
return res
}

6
functions/utils/getRequest.ts
View File

@ -4,13 +4,13 @@ import { Data } from './cache'
export async function getMetadataRequest(
res: Promise<Response>,
url: string,
request: Request,
getData: () => Promise<Data | undefined>
) {
try {
const cachedData = await getRequest(url, getData, (data): data is Data => true)
const cachedData = await getRequest(request.url, getData, (data): data is Data => true)
if (cachedData) {
return new HTMLRewriter().on('head', new MetaTagInjector(cachedData)).transform(await res)
return new HTMLRewriter().on('head', new MetaTagInjector(cachedData, request)).transform(await res)
} else {
return res
}

6
src/pages/App.tsx
View File

@ -162,6 +162,12 @@ export default function App() {
return null
}
const blockedPaths = document.querySelector('meta[name="x:blocked-paths"]')?.getAttribute('content')?.split(',')
const shouldBlockPath = blockedPaths?.includes(pathname) ?? false
if (shouldBlockPath && pathname !== '/swap') {
return <Navigate to="/swap" replace />
}
return (
<ErrorBoundary>
<DarkModeQueryParamReader />