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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/custom_handlers/protocol_handler_throttle.h"
#include <string_view>
#include "components/custom_handlers/protocol_handler_registry.h"
#include "services/network/public/cpp/resource_request.h"
namespace custom_handlers {
ProtocolHandlerThrottle::ProtocolHandlerThrottle(
custom_handlers::ProtocolHandlerRegistry& protocol_handler_registry)
: protocol_handler_registry_(protocol_handler_registry.GetWeakPtr()) {}
ProtocolHandlerThrottle::~ProtocolHandlerThrottle() = default;
void ProtocolHandlerThrottle::WillStartRequest(
network::ResourceRequest* request,
bool* defer) {
TranslateUrl(request->url);
}
void ProtocolHandlerThrottle::WillRedirectRequest(
net::RedirectInfo* redirect_info,
const network::mojom::URLResponseHead& response_head,
bool* defer,
std::vector<std::string>* to_be_removed_headers,
net::HttpRequestHeaders* modified_headers,
net::HttpRequestHeaders* modified_cors_exempt_headers) {
TranslateUrl(redirect_info->new_url);
}
void ProtocolHandlerThrottle::TranslateUrl(GURL& url) {
// TODO(jfernandez): We should use scheme_piece instead, which would imply
// adapting the ProtocolHandlerRegistry code to use std::string_view.
if (!protocol_handler_registry_ ||
!protocol_handler_registry_->IsHandledProtocol(url.scheme())) {
return;
}
GURL translated_url = protocol_handler_registry_->Translate(url);
if (!translated_url.is_empty())
url = translated_url;
}
} // namespace custom_handlers
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