| // META: script=/common/utils.js |
| |
| // Helpers that return headers objects with a particular guard |
| function headersGuardNone(fill) { |
| if (fill) return new Headers(fill); |
| return new Headers(); |
| } |
| |
| function headersGuardResponse(fill) { |
| const opts = {}; |
| if (fill) opts.headers = fill; |
| return new Response('', opts).headers; |
| } |
| |
| function headersGuardRequest(fill) { |
| const opts = {}; |
| if (fill) opts.headers = fill; |
| return new Request('./', opts).headers; |
| } |
| |
| function headersGuardRequestNoCors(fill) { |
| const opts = { mode: 'no-cors' }; |
| if (fill) opts.headers = fill; |
| return new Request('./', opts).headers; |
| } |
| |
| const headerGuardTypes = [ |
| ['none', headersGuardNone], |
| ['response', headersGuardResponse], |
| ['request', headersGuardRequest] |
| ]; |
| |
| for (const [guardType, createHeaders] of headerGuardTypes) { |
| test(() => { |
| // There are three ways to set headers. |
| // Filling, appending, and setting. Test each: |
| let headers = createHeaders({ Range: 'foo' }); |
| assert_equals(headers.get('Range'), 'foo'); |
| |
| headers = createHeaders(); |
| headers.append('Range', 'foo'); |
| assert_equals(headers.get('Range'), 'foo'); |
| |
| headers = createHeaders(); |
| headers.set('Range', 'foo'); |
| assert_equals(headers.get('Range'), 'foo'); |
| }, `Range header setting allowed for guard type: ${guardType}`); |
| } |
| |
| test(() => { |
| let headers = headersGuardRequestNoCors({ Range: 'foo' }); |
| assert_false(headers.has('Range')); |
| |
| headers = headersGuardRequestNoCors(); |
| headers.append('Range', 'foo'); |
| assert_false(headers.has('Range')); |
| |
| headers = headersGuardRequestNoCors(); |
| headers.set('Range', 'foo'); |
| assert_false(headers.has('Range')); |
| }, `Privileged header not allowed for guard type: request-no-cors`); |
| |
| promise_test(async () => { |
| const wavURL = new URL('resources/long-wav.py', location); |
| const stashTakeURL = new URL('resources/stash-take.py', location); |
| |
| function changeToken() { |
| const stashToken = token(); |
| wavURL.searchParams.set('accept-encoding-key', stashToken); |
| stashTakeURL.searchParams.set('key', stashToken); |
| } |
| |
| const rangeHeaders = [ |
| 'bytes=0-10', |
| 'foo=0-10', |
| 'foo', |
| '' |
| ]; |
| |
| for (const rangeHeader of rangeHeaders) { |
| changeToken(); |
| |
| await fetch(wavURL, { |
| headers: { Range: rangeHeader } |
| }); |
| |
| const response = await fetch(stashTakeURL); |
| assert_equals(await response.json(), 'identity', `Expect identity accept-encoding if range header is ${JSON.stringify(rangeHeader)}`); |
| } |
| }, `Fetch with range header will be sent with Accept-Encoding: identity`); |