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Avoid bubbling errors on getResponseHeader on forbidden headers #2057

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merged 1 commit into from
Jun 27, 2025
Merged

Avoid bubbling errors on getResponseHeader on forbidden headers #2057

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15 changes: 10 additions & 5 deletions packages/duckdb-wasm/src/bindings/runtime_browser.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -258,7 +258,8 @@ export const BROWSER_RUNTIME: DuckDBRuntime & {
xhr.send(null);

// Supports range requests
contentLength = xhr.getResponseHeader('Content-Length');
contentLength = null;
try { contentLength = xhr.getResponseHeader('Content-Length'); } catch (e: any) {console.warn(`Failed to get Content-Length on request`);}
if (contentLength !== null && xhr.status == 206) {
const result = mod._malloc(2 * 8);
mod.HEAPF64[(result >> 3) + 0] = +contentLength;
Expand Down Expand Up @@ -288,8 +289,10 @@ export const BROWSER_RUNTIME: DuckDBRuntime & {
xhr.responseType = 'arraybuffer';
xhr.setRequestHeader('Range', `bytes=0-0`);
xhr.send(null);
const contentRange = xhr.getResponseHeader('Content-Range')?.split('/')[1];
const contentLength2 = xhr.getResponseHeader('Content-Length');
let actualContentLength = null;
try { actualContentLength = xhr.getResponseHeader('Content-Length'); } catch (e: any) {console.warn(`Failed to get Content-Length on request`);}
const contentRange = actualContentLength?.split('/')[1];
const contentLength2 = actualContentLength;

let presumedLength = null;
if (contentRange !== undefined) {
Expand All @@ -308,7 +311,8 @@ export const BROWSER_RUNTIME: DuckDBRuntime & {
head.send(null);

// Supports range requests
contentLength = head.getResponseHeader('Content-Length');
contentLength = null;
try { contentLength = head.getResponseHeader('Content-Length'); } catch (e: any) {console.warn(`Failed to get Content-Length on request`);}
if (contentLength !== null && +contentLength > 1) {
presumedLength = contentLength;
}
Expand Down Expand Up @@ -454,7 +458,8 @@ export const BROWSER_RUNTIME: DuckDBRuntime & {
console.log(`HEAD and GET requests failed: ${path}`);
return 0;
}
const contentLength = xhr2.getResponseHeader('Content-Length');
let contentLength = null;
try { contentLength = xhr2.getResponseHeader('Content-Length'); } catch (e: any) {console.warn(`Failed to get Content-Length on request`);}
if (contentLength && +contentLength > 1) {
console.warn(
`Range request for ${path} did not return a partial response: ${xhr2.status} "${xhr2.statusText}"`,
Expand Down