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fix: content-disposition filename regexp #87

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merged 2 commits into from
Nov 13, 2024
Merged

fix: content-disposition filename regexp #87

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6b86177
fix: content-disposition filename regexp
Nov 12, 2024
bda1d4e
Fix: Content-disposition filename matcher - improve regexp to work wi…
Nov 13, 2024
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2 changes: 1 addition & 1 deletion src/metadata.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ export function normalizeMetadata(input?: File | Response | BufferLike | StreamL
}
if (input instanceof Response) {
const contentDisposition = input.headers.get("content-disposition")
const filename = contentDisposition && contentDisposition.match(/;\s*filename\*?=["']?(.*?)["']?$/i)
const filename = contentDisposition && contentDisposition.match(/filename=['"]?([^'";]+)['"]?(?:;|$)/i)
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const urlName = filename && filename[1] || input.url && new URL(input.url).pathname.split("/").findLast(Boolean)
const decoded = urlName && decodeURIComponent(urlName)
// @ts-ignore allow coercion from null to zero
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2 changes: 1 addition & 1 deletion test/metadata.test.ts
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Expand Up @@ -14,7 +14,7 @@ Deno.test("normalizeMetadata needs a filename along Responses with insufficient

Deno.test("normalizeMetadata guesses filename from Content-Disposition", () => {
const metadata = normalizeMetadata(new Response("four", {
headers: { "content-disposition": "attachment; filename=test.txt" }
headers: { "content-disposition": "attachment; filename=test.txt; size=0" }
}))
assertEquals(metadata, { uncompressedSize: 0n, encodedName, nameIsBuffer: false })
})
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