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Update url_request_http_job.cc

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Alexander David Frick 2022-07-15 20:08:52 -05:00 committed by GitHub
parent dacf4e0b0c
commit 7ad1028f5d
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1 changed files with 3 additions and 38 deletions
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41
src/net/url_request/url_request_http_job.cc
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@ -578,44 +578,9 @@ void URLRequestHttpJob::StartTransactionInternal() {
}
void URLRequestHttpJob::AddExtraHeaders() {
if (!request_info_.extra_headers.HasHeader(
HttpRequestHeaders::kAcceptEncoding)) {
// If a range is specifically requested, set the "Accepted Encoding" header
// to "identity"
if (request_info_.extra_headers.HasHeader(HttpRequestHeaders::kRange)) {
request_info_.extra_headers.SetHeader(HttpRequestHeaders::kAcceptEncoding,
"identity");
} else {
// Supply Accept-Encoding headers first so that it is more likely that
// they will be in the first transmitted packet. This can sometimes make
// it easier to filter and analyze the streams to assure that a proxy has
// not damaged these headers. Some proxies deliberately corrupt
// Accept-Encoding headers.
std::vector<std::string> advertised_encoding_names;
if (request_->Supports(SourceStream::SourceType::TYPE_GZIP)) {
advertised_encoding_names.push_back("gzip");
}
if (request_->Supports(SourceStream::SourceType::TYPE_DEFLATE)) {
advertised_encoding_names.push_back("deflate");
}
if (!(request_info_.load_flags & LOAD_MINIMAL_HEADERS)) {
// Advertise "br" encoding only if transferred data is opaque to proxy.
if (request()->context()->enable_brotli() &&
request_->Supports(SourceStream::SourceType::TYPE_BROTLI)) {
if (request()->url().SchemeIsCryptographic() ||
IsLocalhost(request()->url())) {
advertised_encoding_names.push_back("br");
}
}
} // minimal headers
if (!advertised_encoding_names.empty()) {
// Tell the server what compression formats are supported.
request_info_.extra_headers.SetHeader(
HttpRequestHeaders::kAcceptEncoding,
base::JoinString(base::make_span(advertised_encoding_names), ", "));
}
}
}
request_info_.extra_headers.SetAcceptEncodingIfMissing(
request()->url(), request()->accepted_stream_types(),
request()->context()->enable_brotli());
if (!(request_info_.load_flags & LOAD_MINIMAL_HEADERS) && http_user_agent_settings_) {
// Only add default Accept-Language if the request didn't have it