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fix(next/image): set max url length to 3072 #65457

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merged 2 commits into from
May 7, 2024
Merged

fix(next/image): set max url length to 3072 #65457

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6b8d8a9
fix(next/image): set max url length to 3072
styfle May 7, 2024
fbe1fd7
Merge branch 'canary' into styfle/max-image-url-length
styfle May 7, 2024
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4 changes: 4 additions & 0 deletions packages/next/src/server/image-optimizer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,10 @@ export class ImageOptimizerCache {
return { errorMessage: '"url" parameter cannot be an array' }
}

if (url.length > 3072) {
return { errorMessage: '"url" parameter is too long' }
}

let isAbsolute: boolean

if (url.startsWith('/')) {
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7 changes: 7 additions & 0 deletions test/integration/image-optimizer/test/util.ts
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Expand Up @@ -982,6 +982,13 @@ export function runTests(ctx: RunTestsCtx) {
expect(await res.text()).toBe(`"url" parameter is invalid`)
})

it('should fail when url is too long', async () => {
const query = { url: `/${'a'.repeat(4000)}`, w: ctx.w, q: 1 }
const res = await fetchViaHTTP(ctx.appPort, '/_next/image', query, {})
expect(res.status).toBe(400)
expect(await res.text()).toBe(`"url" parameter is too long`)
})

it('should fail when internal url is not an image', async () => {
const url = `//<h1>not-an-image</h1>`
const query = { url, w: ctx.w, q: 39 }
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