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fix: force gzip when no accept encoding header is sent and use identity if gzip is not sent #28026

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merged 14 commits into from
Oct 17, 2023
Merged

fix: force gzip when no accept encoding header is sent and use identity if gzip is not sent #28026

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c91f6f9
fix: only allow identity encoding when accept encoding is not present…
ryanthemanuel Oct 10, 2023
7e7a520
Update request-middleware.ts
ryanthemanuel Oct 10, 2023
f306c5a
Update packages/server/test/integration/http_requests_spec.js
ryanthemanuel Oct 11, 2023
ddb6e89
Update packages/server/test/integration/http_requests_spec.js
ryanthemanuel Oct 11, 2023
84b1af8
Update packages/proxy/lib/http/request-middleware.ts
ryanthemanuel Oct 11, 2023
f8da6bb
Apply suggestions from code review
ryanthemanuel Oct 11, 2023
9cbe9a5
Merge branch 'develop' into ryanm/fix/issue-with-brotli-and-deflate
ryanthemanuel Oct 11, 2023
494751a
Merge branch 'develop' into ryanm/fix/issue-with-brotli-and-deflate
ryanthemanuel Oct 14, 2023
1f3e25b
Update CHANGELOG.md
ryanthemanuel Oct 14, 2023
f00778c
fix tests
ryanthemanuel Oct 15, 2023
e29a2b2
fix tests
ryanthemanuel Oct 15, 2023
8ab226d
Update cli/CHANGELOG.md
ryanthemanuel Oct 15, 2023
03caf54
Update cli/CHANGELOG.md
ryanthemanuel Oct 15, 2023
04a6eed
Merge branch 'develop' into ryanm/fix/issue-with-brotli-and-deflate
ryanthemanuel Oct 16, 2023
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6 changes: 4 additions & 2 deletions packages/proxy/lib/http/request-middleware.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -348,7 +348,7 @@ const EndRequestsToBlockedHosts: RequestMiddleware = function () {
const StripUnsupportedAcceptEncoding: RequestMiddleware = function () {
const span = telemetry.startSpan({ name: 'strip:unsupported:accept:encoding', parentSpan: this.reqMiddlewareSpan, isVerbose })

// Cypress can only support plaintext or gzip, so make sure we don't request anything else
// Cypress can only support plaintext or gzip, so make sure we don't request anything else, by either filtering down to `gzip` or explicitly specifying `identity`
const acceptEncoding = this.req.headers['accept-encoding']

span?.setAttributes({
Expand All @@ -365,8 +365,10 @@ const StripUnsupportedAcceptEncoding: RequestMiddleware = function () {
if (doesAcceptHeadingIncludeGzip) {
this.req.headers['accept-encoding'] = 'gzip'
} else {
delete this.req.headers['accept-encoding']
this.req.headers['accept-encoding'] = 'identity'
}
} else {
this.req.headers['accept-encoding'] = 'identity'
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}

span?.end()
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23 changes: 19 additions & 4 deletions packages/server/test/integration/http_requests_spec.js
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Expand Up @@ -1138,11 +1138,10 @@ describe('Routes', () => {
})
})

it('removes accept-encoding when nothing is supported', function () {
nock(this.server.remoteStates.current().origin, {
badheaders: ['accept-encoding'],
})
it('sets accept-encoding header to "identity" when nothing is supported', function () {
nock(this.server.remoteStates.current().origin)
.get('/accept')
.matchHeader('accept-encoding', 'identity')
.reply(200, '<html>accept</html>')

return this.rp({
Expand All @@ -1158,6 +1157,22 @@ describe('Routes', () => {
expect(res.body).to.eq('<html>accept</html>')
})
})

it('sets accept-encoding header to "identity" when no header is passed', function () {
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nock(this.server.remoteStates.current().origin)
.get('/accept')
.matchHeader('accept-encoding', 'identity')
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.reply(200, '<html>accept</html>')

return this.rp({
url: 'http://www.github.com/accept',
})
.then((res) => {
expect(res.statusCode).to.eq(200)

expect(res.body).to.eq('<html>accept</html>')
})
})
})

context('304 Not Modified', () => {
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