From cc313f3290363f847d00ffa47083bc4ff67a853d Mon Sep 17 00:00:00 2001
From: Max Schmitt <max@schmitt.mx>
Date: Mon, 29 Jul 2024 14:39:14 +0200
Subject: [PATCH] fix(client-certificates): error response body Content-Length
 calculation (#31897)

---
 .../src/server/socksClientCertificatesInterceptor.ts            | 2 +-
 tests/library/client-certificates.spec.ts                       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts b/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts
index f16a60fe00..cd78c11e40 100644
--- a/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts
+++ b/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts
@@ -201,7 +201,7 @@ class SocksProxyConnection {
               'HTTP/1.1 503 Internal Server Error',
               'Content-Type: text/html; charset=utf-8',
               'Content-Length: ' + Buffer.byteLength(responseBody),
-              '\r\n',
+              '',
               responseBody,
             ].join('\r\n'));
             closeBothSockets();
diff --git a/tests/library/client-certificates.spec.ts b/tests/library/client-certificates.spec.ts
index 9f055a678b..f6192248ef 100644
--- a/tests/library/client-certificates.spec.ts
+++ b/tests/library/client-certificates.spec.ts
@@ -274,7 +274,7 @@ test.describe('browser', () => {
       }],
     });
     await page.goto(browserName === 'webkit' && platform === 'darwin' ? httpsServer.EMPTY_PAGE.replace('localhost', 'local.playwright') : httpsServer.EMPTY_PAGE);
-    await expect(page.getByText('Playwright client-certificate error')).toBeVisible();
+    await expect(page.getByText('Playwright client-certificate error: self-signed certificate')).toBeVisible();
     await page.close();
   });