<!DOCTYPE html> <html> <head> <title>Delegate-CH meta-equiv injection test</title> <meta http-equiv="Delegate-CH" content=""> </head> <body> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script> // Even though the next line injects an "Delegate-CH" meta-equiv header, the // browser should NOT attach the specified client hints in the request headers // because javascript injected delegate-ch meta-equiv headers are not trusted. document.getElementsByTagName('meta')[0].setAttribute("content", "dpr;sec-ch-dpr;device-memory;sec-ch-device-memory;viewport-width;sec-ch-viewport-width;rtt;downlink;ect"); document.head.outerHTML += '<meta http-equiv="Delegate-CH" content="sec-ch-ua-arch;sec-ch-ua-platform;sec-ch-ua-model">'; document.head.innerHTML += '<meta http-equiv="Delegate-CH" content="sec-ch-ua-full-version;sec-ch-ua-bitness;sec-ch-ua-full-version-list">'; document.write('<meta http-equiv="Delegate-CH" content="sec-ch-ua-platform-version;sec-ch-prefers-color-scheme;sec-ch-prefers-reduced-motion;sec-ch-viewport-height">'); // resources/echo-client-hints-received.py sets the response headers depending on the set // of client hints it receives in the request headers. promise_test(t => { return fetch("/client-hints/resources/echo-client-hints-received.py").then(r => { assert_equals(r.status, 200) // Verify that the browser does not include client hints for javascript // injected headers on the XHR. assert_false(r.headers.has("device-memory-received"), "device-memory-received"); assert_false(r.headers.has("device-memory-deprecated-received"), "device-memory-deprecated-received"); assert_false(r.headers.has("dpr-received"), "dpr-received"); assert_false(r.headers.has("dpr-deprecated-received"), "dpr-deprecated-received"); assert_false(r.headers.has("viewport-width-received"), "viewport-width-received"); assert_false(r.headers.has("viewport-width-deprecated-received"), "viewport-width-deprecated-received"); assert_false(r.headers.has("rtt-received"), "rtt-received"); assert_false(r.headers.has("downlink-received"), "downlink-received"); assert_false(r.headers.has("ect-received"), "ect-received"); assert_false(r.headers.has("prefers-color-scheme-received"), "prefers-color-scheme-received"); }); }, "Delegate-CH meta-equiv injection test"); </script> </body> </html>