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http2: [compat api] use Object.create(null) for getHeaders #33188

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http2: [compat api] use Object.create(null) for getHeaders #33188

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d5f81a3
http2: use `Object.create(null)` for `getHeaders`
rexagod Apr 25, 2020
92d9481
fixup
rexagod May 9, 2020
cc0396d
fixup
rexagod May 9, 2020
ab51769
fixup
rexagod May 24, 2020
9094028
fixup
rexagod May 24, 2020
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4 changes: 3 additions & 1 deletion lib/internal/http2/compat.js
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Original file line number Diff line number Diff line change
Expand Up @@ -552,7 +552,9 @@ class Http2ServerResponse extends Stream {
}

getHeaders() {
return { ...this[kHeaders] };
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const headers = ObjectCreate(null);
ObjectAssign(headers, this[kHeaders]);
return headers;
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}

hasHeader(name) {
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5 changes: 3 additions & 2 deletions test/parallel/test-http2-compat-serverresponse-headers.js
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Expand Up @@ -102,11 +102,12 @@ server.listen(0, common.mustCall(function() {
response.setHeader(real, expectedValue);
const expectedHeaderNames = [real];
assert.deepStrictEqual(response.getHeaderNames(), expectedHeaderNames);
const expectedHeaders = { [real]: expectedValue };
const expectedHeaders = Object.create(null);
expectedHeaders[real] = expectedValue;
assert.deepStrictEqual(response.getHeaders(), expectedHeaders);

response.getHeaders()[fake] = fake;
assert.strictEqual(response.hasHeader(fake), false);
assert.strictEqual(response.hasHeader(fake), true);
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assert.strictEqual(response.sendDate, true);
response.sendDate = false;
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