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Exclude cURL from pretty error page #210

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merged 1 commit into from Mar 8, 2022
Merged

Exclude cURL from pretty error page #210

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8 changes: 5 additions & 3 deletions packages/http-server/src/index.ts
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Expand Up @@ -282,10 +282,12 @@ export function createRequestListener<Plugins extends HTTPPluginSignatures>(
} catch (e: any) {
// MIME types aren't case sensitive
const accept = req.headers.accept?.toLowerCase() ?? "";
const userAgent = req.headers["user-agent"]?.toLowerCase() ?? "";
if (
accept.includes("text/html") ||
accept.includes("*/*") ||
accept.includes("text/*")
!userAgent.includes("curl/") &&
(accept.includes("text/html") ||
accept.includes("*/*") ||
accept.includes("text/*"))
) {
// Send pretty HTML error page if client accepts it
const Youch: typeof import("youch").default = require("youch");
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7 changes: 7 additions & 0 deletions packages/http-server/test/index.spec.ts
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Expand Up @@ -368,6 +368,13 @@ test("createRequestListener: displays appropriately-formatted error page", async
t.is(headers["content-type"], "text/html; charset=UTF-8");
[, headers] = await request(port, "/", { accept: "image/png, */*" });
t.is(headers["content-type"], "text/html; charset=UTF-8");

// Check pretty HTML error page isn't returned for cURL
[, headers] = await request(port, "/", {
accept: "*/*",
"user-agent": "curl/7.77.0",
});
t.is(headers["content-type"], "text/plain; charset=UTF-8");
});
test("createRequestListener: includes live reload script in html responses if enabled", async (t) => {
const mf = useMiniflareWithHandler({ HTTPPlugin }, {}, (globals) => {
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