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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/test/embedded_test_server/http1_connection.h"
#include <string_view>
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback_forward.h"
#include "base/functional/callback_helpers.h"
#include "base/strings/stringprintf.h"
#include "net/base/completion_once_callback.h"
#include "net/base/net_errors.h"
#include "net/base/test_completion_callback.h"
#include "net/socket/stream_socket.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/test/embedded_test_server/http_response.h"
#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
namespace net::test_server {
Http1Connection::Http1Connection(
std::unique_ptr<StreamSocket> socket,
EmbeddedTestServerConnectionListener* connection_listener,
EmbeddedTestServer* server_delegate)
: HttpConnection(Protocol::kHttp1),
socket_(std::move(socket)),
connection_listener_(connection_listener),
server_delegate_(server_delegate),
read_buf_(base::MakeRefCounted<IOBufferWithSize>(4096)) {}
Http1Connection::~Http1Connection() {
weak_factory_.InvalidateWeakPtrs();
}
void Http1Connection::OnSocketReady() {
ReadData();
}
std::unique_ptr<StreamSocket> Http1Connection::TakeSocket() {
return std::move(socket_);
}
StreamSocket* Http1Connection::Socket() {
return socket_.get();
}
base::WeakPtr<HttpConnection> Http1Connection::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
void Http1Connection::ReadData() {
while (true) {
int rv = socket_->Read(read_buf_.get(), read_buf_->size(),
base::BindOnce(&Http1Connection::OnReadCompleted,
weak_factory_.GetWeakPtr()));
if (rv == ERR_IO_PENDING)
return;
if (HandleReadResult(rv)) {
return;
}
}
}
void Http1Connection::OnReadCompleted(int rv) {
if (!HandleReadResult(rv))
ReadData();
}
bool Http1Connection::HandleReadResult(int rv) {
if (rv <= 0) {
server_delegate_->RemoveConnection(this);
return true;
}
if (connection_listener_)
connection_listener_->ReadFromSocket(*socket_, rv);
request_parser_.ProcessChunk(std::string_view(read_buf_->data(), rv));
if (request_parser_.ParseRequest() != HttpRequestParser::ACCEPTED)
return false;
std::unique_ptr<HttpRequest> request = request_parser_.GetRequest();
SSLInfo ssl_info;
if (socket_->GetSSLInfo(&ssl_info))
request->ssl_info = ssl_info;
server_delegate_->HandleRequest(weak_factory_.GetWeakPtr(),
std::move(request), socket_.get());
return true;
}
void Http1Connection::AddResponse(std::unique_ptr<HttpResponse> response) {
responses_.push_back(std::move(response));
}
void Http1Connection::SendResponseHeaders(HttpStatusCode status,
const std::string& status_reason,
const base::StringPairs& headers) {
std::string response_builder;
base::StringAppendF(&response_builder, "HTTP/1.1 %d %s\r\n", status,
status_reason.c_str());
for (const auto& header_pair : headers) {
const std::string& header_name = header_pair.first;
const std::string& header_value = header_pair.second;
base::StringAppendF(&response_builder, "%s: %s\r\n", header_name.c_str(),
header_value.c_str());
}
base::StringAppendF(&response_builder, "\r\n");
SendRawResponseHeaders(response_builder);
}
void Http1Connection::SendRawResponseHeaders(const std::string& headers) {
SendContents(headers, base::DoNothing());
}
void Http1Connection::SendContents(const std::string& contents,
base::OnceClosure callback) {
if (contents.empty()) {
std::move(callback).Run();
return;
}
scoped_refptr<DrainableIOBuffer> buf =
base::MakeRefCounted<DrainableIOBuffer>(
base::MakeRefCounted<StringIOBuffer>(contents), contents.length());
SendInternal(std::move(callback), buf);
}
void Http1Connection::FinishResponse() {
server_delegate_->RemoveConnection(this, connection_listener_);
}
void Http1Connection::SendContentsAndFinish(const std::string& contents) {
SendContents(contents, base::BindOnce(&HttpResponseDelegate::FinishResponse,
weak_factory_.GetWeakPtr()));
}
void Http1Connection::SendHeadersContentAndFinish(
HttpStatusCode status,
const std::string& status_reason,
const base::StringPairs& headers,
const std::string& contents) {
SendResponseHeaders(status, status_reason, headers);
SendContentsAndFinish(contents);
}
void Http1Connection::SendInternal(base::OnceClosure callback,
scoped_refptr<DrainableIOBuffer> buf) {
while (buf->BytesRemaining() > 0) {
auto split_callback = base::SplitOnceCallback(std::move(callback));
callback = std::move(split_callback.first);
int rv =
socket_->Write(buf.get(), buf->BytesRemaining(),
base::BindOnce(&Http1Connection::OnSendInternalDone,
base::Unretained(this),
std::move(split_callback.second), buf),
TRAFFIC_ANNOTATION_FOR_TESTS);
if (rv == ERR_IO_PENDING)
return;
if (rv < 0)
break;
buf->DidConsume(rv);
}
// The Http1Connection will be deleted by the callback since we only need
// to serve a single request.
std::move(callback).Run();
}
void Http1Connection::OnSendInternalDone(base::OnceClosure callback,
scoped_refptr<DrainableIOBuffer> buf,
int rv) {
if (rv < 0) {
std::move(callback).Run();
return;
}
buf->DidConsume(rv);
SendInternal(std::move(callback), buf);
}
} // namespace net::test_server
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