blob: 00119b3c5147ef0c3f3d4b62e7c7a97c4984a6de [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/http/http_stream_parser.h"
#include <stdint.h>
#include <algorithm>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/memory/ptr_util.h"
#include "base/memory/ref_counted.h"
#include "base/run_loop.h"
#include "base/strings/string_piece.h"
#include "base/strings/stringprintf.h"
#include "base/threading/thread_task_runner_handle.h"
#include "net/base/chunked_upload_data_stream.h"
#include "net/base/elements_upload_data_stream.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "net/base/test_completion_callback.h"
#include "net/base/upload_bytes_element_reader.h"
#include "net/base/upload_file_element_reader.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_request_info.h"
#include "net/http/http_response_headers.h"
#include "net/http/http_response_info.h"
#include "net/socket/client_socket_handle.h"
#include "net/socket/socket_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace net {
namespace {
const size_t kOutputSize = 1024; // Just large enough for this test.
// The number of bytes that can fit in a buffer of kOutputSize.
const size_t kMaxPayloadSize =
kOutputSize - HttpStreamParser::kChunkHeaderFooterSize;
// Helper method to create a connected ClientSocketHandle using |data|.
// Modifies |data|.
std::unique_ptr<ClientSocketHandle> CreateConnectedSocketHandle(
SequencedSocketData* data) {
data->set_connect_data(MockConnect(SYNCHRONOUS, OK));
std::unique_ptr<MockTCPClientSocket> socket(
new MockTCPClientSocket(net::AddressList(), nullptr, data));
TestCompletionCallback callback;
EXPECT_EQ(OK, socket->Connect(callback.callback()));
std::unique_ptr<ClientSocketHandle> socket_handle(new ClientSocketHandle);
socket_handle->SetSocket(std::move(socket));
return socket_handle;
}
class ReadErrorUploadDataStream : public UploadDataStream {
public:
enum class FailureMode { SYNC, ASYNC };
explicit ReadErrorUploadDataStream(FailureMode mode)
: UploadDataStream(true, 0), async_(mode), weak_factory_(this) {}
private:
void CompleteRead() { UploadDataStream::OnReadCompleted(ERR_FAILED); }
// UploadDataStream implementation:
int InitInternal() override { return OK; }
int ReadInternal(IOBuffer* buf, int buf_len) override {
if (async_ == FailureMode::ASYNC) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&ReadErrorUploadDataStream::CompleteRead,
weak_factory_.GetWeakPtr()));
return ERR_IO_PENDING;
}
return ERR_FAILED;
}
void ResetInternal() override {}
const FailureMode async_;
base::WeakPtrFactory<ReadErrorUploadDataStream> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ReadErrorUploadDataStream);
};
TEST(HttpStreamParser, DataReadErrorSynchronous) {
MockWrite writes[] = {
MockWrite(SYNCHRONOUS, 0, "POST / HTTP/1.1\r\n"),
MockWrite(SYNCHRONOUS, 1, "Content-Length: 12\r\n\r\n"),
};
SequencedSocketData data(nullptr, 0, writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
ReadErrorUploadDataStream upload_data_stream(
ReadErrorUploadDataStream::FailureMode::SYNC);
ASSERT_EQ(OK, upload_data_stream.Init(TestCompletionCallback().callback()));
HttpRequestInfo request;
request.method = "POST";
request.url = GURL("http://localhost");
request.upload_data_stream = &upload_data_stream;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders headers;
headers.SetHeader("Content-Length", "12");
HttpResponseInfo response;
TestCompletionCallback callback;
int result = parser.SendRequest("POST / HTTP/1.1\r\n", headers, &response,
callback.callback());
EXPECT_EQ(ERR_FAILED, callback.GetResult(result));
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
}
TEST(HttpStreamParser, DataReadErrorAsynchronous) {
MockWrite writes[] = {
MockWrite(ASYNC, 0, "POST / HTTP/1.1\r\n"),
MockWrite(ASYNC, 1, "Content-Length: 12\r\n\r\n"),
};
SequencedSocketData data(nullptr, 0, writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
ReadErrorUploadDataStream upload_data_stream(
ReadErrorUploadDataStream::FailureMode::ASYNC);
ASSERT_EQ(OK, upload_data_stream.Init(TestCompletionCallback().callback()));
HttpRequestInfo request;
request.method = "POST";
request.url = GURL("http://localhost");
request.upload_data_stream = &upload_data_stream;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders headers;
headers.SetHeader("Content-Length", "12");
HttpResponseInfo response;
TestCompletionCallback callback;
int result = parser.SendRequest("POST / HTTP/1.1\r\n", headers, &response,
callback.callback());
EXPECT_EQ(ERR_IO_PENDING, result);
EXPECT_EQ(ERR_FAILED, callback.GetResult(result));
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
}
// The empty payload is how the last chunk is encoded.
TEST(HttpStreamParser, EncodeChunk_EmptyPayload) {
char output[kOutputSize];
const base::StringPiece kPayload = "";
const base::StringPiece kExpected = "0\r\n\r\n";
const int num_bytes_written =
HttpStreamParser::EncodeChunk(kPayload, output, sizeof(output));
ASSERT_EQ(kExpected.size(), static_cast<size_t>(num_bytes_written));
EXPECT_EQ(kExpected, base::StringPiece(output, num_bytes_written));
}
TEST(HttpStreamParser, EncodeChunk_ShortPayload) {
char output[kOutputSize];
const std::string kPayload("foo\x00\x11\x22", 6);
// 11 = payload size + sizeof("6") + CRLF x 2.
const std::string kExpected("6\r\nfoo\x00\x11\x22\r\n", 11);
const int num_bytes_written =
HttpStreamParser::EncodeChunk(kPayload, output, sizeof(output));
ASSERT_EQ(kExpected.size(), static_cast<size_t>(num_bytes_written));
EXPECT_EQ(kExpected, base::StringPiece(output, num_bytes_written));
}
TEST(HttpStreamParser, EncodeChunk_LargePayload) {
char output[kOutputSize];
const std::string kPayload(1000, '\xff'); // '\xff' x 1000.
// 3E8 = 1000 in hex.
const std::string kExpected = "3E8\r\n" + kPayload + "\r\n";
const int num_bytes_written =
HttpStreamParser::EncodeChunk(kPayload, output, sizeof(output));
ASSERT_EQ(kExpected.size(), static_cast<size_t>(num_bytes_written));
EXPECT_EQ(kExpected, base::StringPiece(output, num_bytes_written));
}
TEST(HttpStreamParser, EncodeChunk_FullPayload) {
char output[kOutputSize];
const std::string kPayload(kMaxPayloadSize, '\xff');
// 3F4 = 1012 in hex.
const std::string kExpected = "3F4\r\n" + kPayload + "\r\n";
const int num_bytes_written =
HttpStreamParser::EncodeChunk(kPayload, output, sizeof(output));
ASSERT_EQ(kExpected.size(), static_cast<size_t>(num_bytes_written));
EXPECT_EQ(kExpected, base::StringPiece(output, num_bytes_written));
}
TEST(HttpStreamParser, EncodeChunk_TooLargePayload) {
char output[kOutputSize];
// The payload is one byte larger the output buffer size.
const std::string kPayload(kMaxPayloadSize + 1, '\xff');
const int num_bytes_written =
HttpStreamParser::EncodeChunk(kPayload, output, sizeof(output));
ASSERT_EQ(ERR_INVALID_ARGUMENT, num_bytes_written);
}
TEST(HttpStreamParser, ShouldMergeRequestHeadersAndBody_NoBody) {
// Shouldn't be merged if upload data is non-existent.
ASSERT_FALSE(HttpStreamParser::ShouldMergeRequestHeadersAndBody(
"some header", NULL));
}
TEST(HttpStreamParser, ShouldMergeRequestHeadersAndBody_EmptyBody) {
std::vector<std::unique_ptr<UploadElementReader>> element_readers;
std::unique_ptr<UploadDataStream> body(base::WrapUnique(
new ElementsUploadDataStream(std::move(element_readers), 0)));
ASSERT_EQ(OK, body->Init(CompletionCallback()));
// Shouldn't be merged if upload data is empty.
ASSERT_FALSE(HttpStreamParser::ShouldMergeRequestHeadersAndBody(
"some header", body.get()));
}
TEST(HttpStreamParser, ShouldMergeRequestHeadersAndBody_ChunkedBody) {
const std::string payload = "123";
std::unique_ptr<ChunkedUploadDataStream> body(new ChunkedUploadDataStream(0));
body->AppendData(payload.data(), payload.size(), true);
ASSERT_EQ(OK, body->Init(TestCompletionCallback().callback()));
// Shouldn't be merged if upload data carries chunked data.
ASSERT_FALSE(HttpStreamParser::ShouldMergeRequestHeadersAndBody(
"some header", body.get()));
}
TEST(HttpStreamParser, ShouldMergeRequestHeadersAndBody_FileBody) {
// Create an empty temporary file.
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
base::FilePath temp_file_path;
ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir.path(), &temp_file_path));
{
std::vector<std::unique_ptr<UploadElementReader>> element_readers;
element_readers.push_back(base::WrapUnique(
new UploadFileElementReader(base::ThreadTaskRunnerHandle::Get().get(),
temp_file_path, 0, 0, base::Time())));
std::unique_ptr<UploadDataStream> body(
new ElementsUploadDataStream(std::move(element_readers), 0));
TestCompletionCallback callback;
ASSERT_EQ(ERR_IO_PENDING, body->Init(callback.callback()));
ASSERT_EQ(OK, callback.WaitForResult());
// Shouldn't be merged if upload data carries a file, as it's not in-memory.
ASSERT_FALSE(HttpStreamParser::ShouldMergeRequestHeadersAndBody(
"some header", body.get()));
}
// UploadFileElementReaders may post clean-up tasks on destruction.
base::RunLoop().RunUntilIdle();
}
TEST(HttpStreamParser, ShouldMergeRequestHeadersAndBody_SmallBodyInMemory) {
std::vector<std::unique_ptr<UploadElementReader>> element_readers;
const std::string payload = "123";
element_readers.push_back(base::WrapUnique(
new UploadBytesElementReader(payload.data(), payload.size())));
std::unique_ptr<UploadDataStream> body(
new ElementsUploadDataStream(std::move(element_readers), 0));
ASSERT_EQ(OK, body->Init(CompletionCallback()));
// Yes, should be merged if the in-memory body is small here.
ASSERT_TRUE(HttpStreamParser::ShouldMergeRequestHeadersAndBody(
"some header", body.get()));
}
TEST(HttpStreamParser, ShouldMergeRequestHeadersAndBody_LargeBodyInMemory) {
std::vector<std::unique_ptr<UploadElementReader>> element_readers;
const std::string payload(10000, 'a'); // 'a' x 10000.
element_readers.push_back(base::WrapUnique(
new UploadBytesElementReader(payload.data(), payload.size())));
std::unique_ptr<UploadDataStream> body(
new ElementsUploadDataStream(std::move(element_readers), 0));
ASSERT_EQ(OK, body->Init(CompletionCallback()));
// Shouldn't be merged if the in-memory body is large here.
ASSERT_FALSE(HttpStreamParser::ShouldMergeRequestHeadersAndBody(
"some header", body.get()));
}
TEST(HttpStreamParser, SentBytesNoHeaders) {
MockWrite writes[] = {
MockWrite(SYNCHRONOUS, 0, "GET / HTTP/1.1\r\n\r\n"),
};
SequencedSocketData data(nullptr, 0, writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
HttpRequestInfo request;
request.method = "GET";
request.url = GURL("http://localhost");
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request, read_buffer.get(),
BoundNetLog());
HttpResponseInfo response;
TestCompletionCallback callback;
EXPECT_EQ(OK, parser.SendRequest("GET / HTTP/1.1\r\n", HttpRequestHeaders(),
&response, callback.callback()));
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
}
TEST(HttpStreamParser, SentBytesWithHeaders) {
MockWrite writes[] = {
MockWrite(SYNCHRONOUS, 0,
"GET / HTTP/1.1\r\n"
"Host: localhost\r\n"
"Connection: Keep-Alive\r\n\r\n"),
};
SequencedSocketData data(nullptr, 0, writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
HttpRequestInfo request;
request.method = "GET";
request.url = GURL("http://localhost");
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders headers;
headers.SetHeader("Host", "localhost");
headers.SetHeader("Connection", "Keep-Alive");
HttpResponseInfo response;
TestCompletionCallback callback;
EXPECT_EQ(OK, parser.SendRequest("GET / HTTP/1.1\r\n", headers, &response,
callback.callback()));
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
}
TEST(HttpStreamParser, SentBytesWithHeadersMultiWrite) {
MockWrite writes[] = {
MockWrite(SYNCHRONOUS, 0, "GET / HTTP/1.1\r\n"),
MockWrite(SYNCHRONOUS, 1, "Host: localhost\r\n"),
MockWrite(SYNCHRONOUS, 2, "Connection: Keep-Alive\r\n\r\n"),
};
SequencedSocketData data(nullptr, 0, writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
HttpRequestInfo request;
request.method = "GET";
request.url = GURL("http://localhost");
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders headers;
headers.SetHeader("Host", "localhost");
headers.SetHeader("Connection", "Keep-Alive");
HttpResponseInfo response;
TestCompletionCallback callback;
EXPECT_EQ(OK, parser.SendRequest("GET / HTTP/1.1\r\n", headers, &response,
callback.callback()));
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
}
TEST(HttpStreamParser, SentBytesWithErrorWritingHeaders) {
MockWrite writes[] = {
MockWrite(SYNCHRONOUS, 0, "GET / HTTP/1.1\r\n"),
MockWrite(SYNCHRONOUS, 1, "Host: localhost\r\n"),
MockWrite(SYNCHRONOUS, ERR_CONNECTION_RESET, 2),
};
SequencedSocketData data(nullptr, 0, writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
HttpRequestInfo request;
request.method = "GET";
request.url = GURL("http://localhost");
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders headers;
headers.SetHeader("Host", "localhost");
headers.SetHeader("Connection", "Keep-Alive");
HttpResponseInfo response;
TestCompletionCallback callback;
EXPECT_EQ(ERR_CONNECTION_RESET,
parser.SendRequest("GET / HTTP/1.1\r\n", headers, &response,
callback.callback()));
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
}
TEST(HttpStreamParser, SentBytesPost) {
MockWrite writes[] = {
MockWrite(SYNCHRONOUS, 0, "POST / HTTP/1.1\r\n"),
MockWrite(SYNCHRONOUS, 1, "Content-Length: 12\r\n\r\n"),
MockWrite(SYNCHRONOUS, 2, "hello world!"),
};
SequencedSocketData data(nullptr, 0, writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
std::vector<std::unique_ptr<UploadElementReader>> element_readers;
element_readers.push_back(
base::WrapUnique(new UploadBytesElementReader("hello world!", 12)));
ElementsUploadDataStream upload_data_stream(std::move(element_readers), 0);
ASSERT_EQ(OK, upload_data_stream.Init(TestCompletionCallback().callback()));
HttpRequestInfo request;
request.method = "POST";
request.url = GURL("http://localhost");
request.upload_data_stream = &upload_data_stream;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders headers;
headers.SetHeader("Content-Length", "12");
HttpResponseInfo response;
TestCompletionCallback callback;
EXPECT_EQ(OK, parser.SendRequest("POST / HTTP/1.1\r\n", headers, &response,
callback.callback()));
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
}
TEST(HttpStreamParser, SentBytesChunkedPostError) {
static const char kChunk[] = "Chunk 1";
MockWrite writes[] = {
MockWrite(ASYNC, 0, "POST / HTTP/1.1\r\n"),
MockWrite(ASYNC, 1, "Transfer-Encoding: chunked\r\n\r\n"),
MockWrite(ASYNC, 2, "7\r\nChunk 1\r\n"),
MockWrite(SYNCHRONOUS, ERR_FAILED, 3),
};
SequencedSocketData data(nullptr, 0, writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
ChunkedUploadDataStream upload_data_stream(0);
ASSERT_EQ(OK, upload_data_stream.Init(TestCompletionCallback().callback()));
HttpRequestInfo request;
request.method = "POST";
request.url = GURL("http://localhost");
request.upload_data_stream = &upload_data_stream;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders headers;
headers.SetHeader("Transfer-Encoding", "chunked");
HttpResponseInfo response;
TestCompletionCallback callback;
EXPECT_EQ(ERR_IO_PENDING, parser.SendRequest("POST / HTTP/1.1\r\n", headers,
&response, callback.callback()));
base::RunLoop().RunUntilIdle();
upload_data_stream.AppendData(kChunk, arraysize(kChunk) - 1, false);
base::RunLoop().RunUntilIdle();
// This write should fail.
upload_data_stream.AppendData(kChunk, arraysize(kChunk) - 1, false);
EXPECT_EQ(ERR_FAILED, callback.WaitForResult());
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
}
// Test to ensure the HttpStreamParser state machine does not get confused
// when sending a request with a chunked body with only one chunk that becomes
// available asynchronously.
TEST(HttpStreamParser, AsyncSingleChunkAndAsyncSocket) {
static const char kChunk[] = "Chunk";
MockWrite writes[] = {
MockWrite(ASYNC, 0,
"GET /one.html HTTP/1.1\r\n"
"Transfer-Encoding: chunked\r\n\r\n"),
MockWrite(ASYNC, 1, "5\r\nChunk\r\n"),
MockWrite(ASYNC, 2, "0\r\n\r\n"),
};
// The size of the response body, as reflected in the Content-Length of the
// MockRead below.
static const int kBodySize = 8;
MockRead reads[] = {
MockRead(ASYNC, 3, "HTTP/1.1 200 OK\r\n"),
MockRead(ASYNC, 4, "Content-Length: 8\r\n\r\n"),
MockRead(ASYNC, 5, "one.html"),
MockRead(SYNCHRONOUS, 0, 6), // EOF
};
ChunkedUploadDataStream upload_stream(0);
ASSERT_EQ(OK, upload_stream.Init(TestCompletionCallback().callback()));
SequencedSocketData data(reads, arraysize(reads), writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
HttpRequestInfo request_info;
request_info.method = "GET";
request_info.url = GURL("http://localhost");
request_info.upload_data_stream = &upload_stream;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request_info, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders request_headers;
request_headers.SetHeader("Transfer-Encoding", "chunked");
HttpResponseInfo response_info;
TestCompletionCallback callback;
// This will attempt to Write() the initial request and headers, which will
// complete asynchronously.
ASSERT_EQ(ERR_IO_PENDING,
parser.SendRequest("GET /one.html HTTP/1.1\r\n", request_headers,
&response_info, callback.callback()));
// Complete the initial request write. Callback should not have been invoked.
base::RunLoop().RunUntilIdle();
ASSERT_FALSE(callback.have_result());
// Now append the only chunk and wait for the callback.
upload_stream.AppendData(kChunk, arraysize(kChunk) - 1, true);
ASSERT_EQ(OK, callback.WaitForResult());
// Attempt to read the response status and the response headers.
ASSERT_EQ(ERR_IO_PENDING, parser.ReadResponseHeaders(callback.callback()));
ASSERT_EQ(OK, callback.WaitForResult());
// Finally, attempt to read the response body.
scoped_refptr<IOBuffer> body_buffer(new IOBuffer(kBodySize));
ASSERT_EQ(ERR_IO_PENDING,
parser.ReadResponseBody(body_buffer.get(), kBodySize,
callback.callback()));
ASSERT_EQ(kBodySize, callback.WaitForResult());
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
EXPECT_EQ(CountReadBytes(reads, arraysize(reads)), parser.received_bytes());
}
// Test to ensure the HttpStreamParser state machine does not get confused
// when sending a request with a chunked body with only one chunk that is
// available synchronously.
TEST(HttpStreamParser, SyncSingleChunkAndAsyncSocket) {
static const char kChunk[] = "Chunk";
MockWrite writes[] = {
MockWrite(ASYNC, 0,
"GET /one.html HTTP/1.1\r\n"
"Transfer-Encoding: chunked\r\n\r\n"),
MockWrite(ASYNC, 1, "5\r\nChunk\r\n"),
MockWrite(ASYNC, 2, "0\r\n\r\n"),
};
// The size of the response body, as reflected in the Content-Length of the
// MockRead below.
static const int kBodySize = 8;
MockRead reads[] = {
MockRead(ASYNC, 3, "HTTP/1.1 200 OK\r\n"),
MockRead(ASYNC, 4, "Content-Length: 8\r\n\r\n"),
MockRead(ASYNC, 5, "one.html"),
MockRead(SYNCHRONOUS, 0, 6), // EOF
};
ChunkedUploadDataStream upload_stream(0);
ASSERT_EQ(OK, upload_stream.Init(TestCompletionCallback().callback()));
// Append the only chunk.
upload_stream.AppendData(kChunk, arraysize(kChunk) - 1, true);
SequencedSocketData data(reads, arraysize(reads), writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
HttpRequestInfo request_info;
request_info.method = "GET";
request_info.url = GURL("http://localhost");
request_info.upload_data_stream = &upload_stream;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request_info, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders request_headers;
request_headers.SetHeader("Transfer-Encoding", "chunked");
HttpResponseInfo response_info;
TestCompletionCallback callback;
// This will attempt to Write() the initial request and headers, which will
// complete asynchronously.
ASSERT_EQ(ERR_IO_PENDING,
parser.SendRequest("GET /one.html HTTP/1.1\r\n", request_headers,
&response_info, callback.callback()));
ASSERT_EQ(OK, callback.WaitForResult());
// Attempt to read the response status and the response headers.
ASSERT_EQ(ERR_IO_PENDING, parser.ReadResponseHeaders(callback.callback()));
ASSERT_EQ(OK, callback.WaitForResult());
// Finally, attempt to read the response body.
scoped_refptr<IOBuffer> body_buffer(new IOBuffer(kBodySize));
ASSERT_EQ(ERR_IO_PENDING,
parser.ReadResponseBody(body_buffer.get(), kBodySize,
callback.callback()));
ASSERT_EQ(kBodySize, callback.WaitForResult());
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
EXPECT_EQ(CountReadBytes(reads, arraysize(reads)), parser.received_bytes());
}
// Test to ensure the HttpStreamParser state machine does not get confused
// when sending a request with a chunked body, where chunks become available
// asynchronously, over a socket where writes may also complete
// asynchronously.
// This is a regression test for http://crbug.com/132243
TEST(HttpStreamParser, AsyncChunkAndAsyncSocketWithMultipleChunks) {
// The chunks that will be written in the request, as reflected in the
// MockWrites below.
static const char kChunk1[] = "Chunk 1";
static const char kChunk2[] = "Chunky 2";
static const char kChunk3[] = "Test 3";
MockWrite writes[] = {
MockWrite(ASYNC, 0,
"GET /one.html HTTP/1.1\r\n"
"Transfer-Encoding: chunked\r\n\r\n"),
MockWrite(ASYNC, 1, "7\r\nChunk 1\r\n"),
MockWrite(ASYNC, 2, "8\r\nChunky 2\r\n"),
MockWrite(ASYNC, 3, "6\r\nTest 3\r\n"),
MockWrite(ASYNC, 4, "0\r\n\r\n"),
};
// The size of the response body, as reflected in the Content-Length of the
// MockRead below.
static const int kBodySize = 8;
MockRead reads[] = {
MockRead(ASYNC, 5, "HTTP/1.1 200 OK\r\n"),
MockRead(ASYNC, 6, "Content-Length: 8\r\n\r\n"),
MockRead(ASYNC, 7, "one.html"),
MockRead(SYNCHRONOUS, 0, 8), // EOF
};
ChunkedUploadDataStream upload_stream(0);
upload_stream.AppendData(kChunk1, arraysize(kChunk1) - 1, false);
ASSERT_EQ(OK, upload_stream.Init(TestCompletionCallback().callback()));
SequencedSocketData data(reads, arraysize(reads), writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
HttpRequestInfo request_info;
request_info.method = "GET";
request_info.url = GURL("http://localhost");
request_info.upload_data_stream = &upload_stream;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(
socket_handle.get(), &request_info, read_buffer.get(), BoundNetLog());
HttpRequestHeaders request_headers;
request_headers.SetHeader("Transfer-Encoding", "chunked");
HttpResponseInfo response_info;
TestCompletionCallback callback;
// This will attempt to Write() the initial request and headers, which will
// complete asynchronously.
ASSERT_EQ(ERR_IO_PENDING,
parser.SendRequest("GET /one.html HTTP/1.1\r\n", request_headers,
&response_info, callback.callback()));
ASSERT_FALSE(callback.have_result());
// Sending the request and the first chunk completes.
base::RunLoop().RunUntilIdle();
ASSERT_FALSE(callback.have_result());
// Now append another chunk.
upload_stream.AppendData(kChunk2, arraysize(kChunk2) - 1, false);
ASSERT_FALSE(callback.have_result());
// Add the final chunk, while the write for the second is still pending,
// which should not confuse the state machine.
upload_stream.AppendData(kChunk3, arraysize(kChunk3) - 1, true);
ASSERT_FALSE(callback.have_result());
// Wait for writes to complete.
ASSERT_EQ(OK, callback.WaitForResult());
// Attempt to read the response status and the response headers.
ASSERT_EQ(ERR_IO_PENDING, parser.ReadResponseHeaders(callback.callback()));
ASSERT_EQ(OK, callback.WaitForResult());
// Finally, attempt to read the response body.
scoped_refptr<IOBuffer> body_buffer(new IOBuffer(kBodySize));
ASSERT_EQ(ERR_IO_PENDING,
parser.ReadResponseBody(body_buffer.get(), kBodySize,
callback.callback()));
ASSERT_EQ(kBodySize, callback.WaitForResult());
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
EXPECT_EQ(CountReadBytes(reads, arraysize(reads)), parser.received_bytes());
}
// Test to ensure the HttpStreamParser state machine does not get confused
// when there's only one "chunk" with 0 bytes, and is received from the
// UploadStream only after sending the request headers successfully.
TEST(HttpStreamParser, AsyncEmptyChunkedUpload) {
MockWrite writes[] = {
MockWrite(ASYNC, 0,
"GET /one.html HTTP/1.1\r\n"
"Transfer-Encoding: chunked\r\n\r\n"),
MockWrite(ASYNC, 1, "0\r\n\r\n"),
};
// The size of the response body, as reflected in the Content-Length of the
// MockRead below.
const int kBodySize = 8;
MockRead reads[] = {
MockRead(ASYNC, 2, "HTTP/1.1 200 OK\r\n"),
MockRead(ASYNC, 3, "Content-Length: 8\r\n\r\n"),
MockRead(ASYNC, 4, "one.html"),
MockRead(SYNCHRONOUS, 0, 5), // EOF
};
ChunkedUploadDataStream upload_stream(0);
ASSERT_EQ(OK, upload_stream.Init(TestCompletionCallback().callback()));
SequencedSocketData data(reads, arraysize(reads), writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
HttpRequestInfo request_info;
request_info.method = "GET";
request_info.url = GURL("http://localhost");
request_info.upload_data_stream = &upload_stream;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request_info, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders request_headers;
request_headers.SetHeader("Transfer-Encoding", "chunked");
HttpResponseInfo response_info;
TestCompletionCallback callback;
// This will attempt to Write() the initial request and headers, which will
// complete asynchronously.
ASSERT_EQ(ERR_IO_PENDING,
parser.SendRequest("GET /one.html HTTP/1.1\r\n", request_headers,
&response_info, callback.callback()));
// Now append the terminal 0-byte "chunk".
upload_stream.AppendData(nullptr, 0, true);
ASSERT_FALSE(callback.have_result());
ASSERT_EQ(OK, callback.WaitForResult());
// Attempt to read the response status and the response headers.
ASSERT_EQ(ERR_IO_PENDING, parser.ReadResponseHeaders(callback.callback()));
ASSERT_EQ(OK, callback.WaitForResult());
// Finally, attempt to read the response body.
scoped_refptr<IOBuffer> body_buffer(new IOBuffer(kBodySize));
ASSERT_EQ(ERR_IO_PENDING,
parser.ReadResponseBody(body_buffer.get(), kBodySize,
callback.callback()));
ASSERT_EQ(kBodySize, callback.WaitForResult());
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
EXPECT_EQ(CountReadBytes(reads, arraysize(reads)), parser.received_bytes());
}
// Test to ensure the HttpStreamParser state machine does not get confused
// when there's only one "chunk" with 0 bytes, which was already appended before
// the request was started.
TEST(HttpStreamParser, SyncEmptyChunkedUpload) {
MockWrite writes[] = {
MockWrite(ASYNC, 0,
"GET /one.html HTTP/1.1\r\n"
"Transfer-Encoding: chunked\r\n\r\n"),
MockWrite(ASYNC, 1, "0\r\n\r\n"),
};
// The size of the response body, as reflected in the Content-Length of the
// MockRead below.
const int kBodySize = 8;
MockRead reads[] = {
MockRead(ASYNC, 2, "HTTP/1.1 200 OK\r\n"),
MockRead(ASYNC, 3, "Content-Length: 8\r\n\r\n"),
MockRead(ASYNC, 4, "one.html"),
MockRead(SYNCHRONOUS, 0, 5), // EOF
};
ChunkedUploadDataStream upload_stream(0);
ASSERT_EQ(OK, upload_stream.Init(TestCompletionCallback().callback()));
// Append final empty chunk.
upload_stream.AppendData(nullptr, 0, true);
SequencedSocketData data(reads, arraysize(reads), writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
HttpRequestInfo request_info;
request_info.method = "GET";
request_info.url = GURL("http://localhost");
request_info.upload_data_stream = &upload_stream;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), &request_info, read_buffer.get(),
BoundNetLog());
HttpRequestHeaders request_headers;
request_headers.SetHeader("Transfer-Encoding", "chunked");
HttpResponseInfo response_info;
TestCompletionCallback callback;
// This will attempt to Write() the initial request and headers, which will
// complete asynchronously.
ASSERT_EQ(ERR_IO_PENDING,
parser.SendRequest("GET /one.html HTTP/1.1\r\n", request_headers,
&response_info, callback.callback()));
// Complete writing the request headers and body.
ASSERT_EQ(OK, callback.WaitForResult());
// Attempt to read the response status and the response headers.
ASSERT_EQ(ERR_IO_PENDING, parser.ReadResponseHeaders(callback.callback()));
ASSERT_EQ(OK, callback.WaitForResult());
// Finally, attempt to read the response body.
scoped_refptr<IOBuffer> body_buffer(new IOBuffer(kBodySize));
ASSERT_EQ(ERR_IO_PENDING,
parser.ReadResponseBody(body_buffer.get(), kBodySize,
callback.callback()));
ASSERT_EQ(kBodySize, callback.WaitForResult());
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
EXPECT_EQ(CountReadBytes(reads, arraysize(reads)), parser.received_bytes());
}
TEST(HttpStreamParser, TruncatedHeaders) {
MockRead truncated_status_reads[] = {
MockRead(SYNCHRONOUS, 1, "HTTP/1.1 20"),
MockRead(SYNCHRONOUS, 0, 2), // EOF
};
MockRead truncated_after_status_reads[] = {
MockRead(SYNCHRONOUS, 1, "HTTP/1.1 200 Ok\r\n"),
MockRead(SYNCHRONOUS, 0, 2), // EOF
};
MockRead truncated_in_header_reads[] = {
MockRead(SYNCHRONOUS, 1, "HTTP/1.1 200 Ok\r\nHead"),
MockRead(SYNCHRONOUS, 0, 2), // EOF
};
MockRead truncated_after_header_reads[] = {
MockRead(SYNCHRONOUS, 1, "HTTP/1.1 200 Ok\r\nHeader: foo\r\n"),
MockRead(SYNCHRONOUS, 0, 2), // EOF
};
MockRead truncated_after_final_newline_reads[] = {
MockRead(SYNCHRONOUS, 1, "HTTP/1.1 200 Ok\r\nHeader: foo\r\n\r"),
MockRead(SYNCHRONOUS, 0, 2), // EOF
};
MockRead not_truncated_reads[] = {
MockRead(SYNCHRONOUS, 1, "HTTP/1.1 200 Ok\r\nHeader: foo\r\n\r\n"),
MockRead(SYNCHRONOUS, 0, 2), // EOF
};
MockRead* reads[] = {
truncated_status_reads,
truncated_after_status_reads,
truncated_in_header_reads,
truncated_after_header_reads,
truncated_after_final_newline_reads,
not_truncated_reads,
};
MockWrite writes[] = {
MockWrite(SYNCHRONOUS, 0, "GET / HTTP/1.1\r\n\r\n"),
};
enum {
HTTP = 0,
HTTPS,
NUM_PROTOCOLS,
};
for (size_t protocol = 0; protocol < NUM_PROTOCOLS; protocol++) {
SCOPED_TRACE(protocol);
for (size_t i = 0; i < arraysize(reads); i++) {
SCOPED_TRACE(i);
SequencedSocketData data(reads[i], 2, writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle(
CreateConnectedSocketHandle(&data));
HttpRequestInfo request_info;
request_info.method = "GET";
if (protocol == HTTP) {
request_info.url = GURL("http://localhost");
} else {
request_info.url = GURL("https://localhost");
}
request_info.load_flags = LOAD_NORMAL;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(
socket_handle.get(), &request_info, read_buffer.get(), BoundNetLog());
HttpRequestHeaders request_headers;
HttpResponseInfo response_info;
TestCompletionCallback callback;
ASSERT_EQ(OK, parser.SendRequest("GET / HTTP/1.1\r\n", request_headers,
&response_info, callback.callback()));
int rv = parser.ReadResponseHeaders(callback.callback());
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)),
parser.sent_bytes());
if (i == arraysize(reads) - 1) {
EXPECT_EQ(OK, rv);
EXPECT_TRUE(response_info.headers.get());
EXPECT_EQ(CountReadBytes(reads[i], 2), parser.received_bytes());
} else {
if (protocol == HTTP) {
EXPECT_EQ(ERR_CONNECTION_CLOSED, rv);
EXPECT_TRUE(response_info.headers.get());
EXPECT_EQ(CountReadBytes(reads[i], 2), parser.received_bytes());
} else {
EXPECT_EQ(ERR_RESPONSE_HEADERS_TRUNCATED, rv);
EXPECT_FALSE(response_info.headers.get());
EXPECT_EQ(0, parser.received_bytes());
}
}
}
}
}
// Confirm that on 101 response, the headers are parsed but the data that
// follows remains in the buffer.
TEST(HttpStreamParser, Websocket101Response) {
MockRead reads[] = {
MockRead(SYNCHRONOUS, 1,
"HTTP/1.1 101 Switching Protocols\r\n"
"Upgrade: websocket\r\n"
"Connection: Upgrade\r\n"
"\r\n"
"a fake websocket frame"),
};
MockWrite writes[] = {
MockWrite(SYNCHRONOUS, 0, "GET / HTTP/1.1\r\n\r\n"),
};
SequencedSocketData data(reads, arraysize(reads), writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
HttpRequestInfo request_info;
request_info.method = "GET";
request_info.url = GURL("http://localhost");
request_info.load_flags = LOAD_NORMAL;
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(
socket_handle.get(), &request_info, read_buffer.get(), BoundNetLog());
HttpRequestHeaders request_headers;
HttpResponseInfo response_info;
TestCompletionCallback callback;
ASSERT_EQ(OK, parser.SendRequest("GET / HTTP/1.1\r\n", request_headers,
&response_info, callback.callback()));
EXPECT_EQ(OK, parser.ReadResponseHeaders(callback.callback()));
ASSERT_TRUE(response_info.headers.get());
EXPECT_EQ(101, response_info.headers->response_code());
EXPECT_TRUE(response_info.headers->HasHeaderValue("Connection", "Upgrade"));
EXPECT_TRUE(response_info.headers->HasHeaderValue("Upgrade", "websocket"));
EXPECT_EQ(read_buffer->capacity(), read_buffer->offset());
EXPECT_EQ("a fake websocket frame",
base::StringPiece(read_buffer->StartOfBuffer(),
read_buffer->capacity()));
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
EXPECT_EQ(CountReadBytes(reads, arraysize(reads)) -
static_cast<int64_t>(strlen("a fake websocket frame")),
parser.received_bytes());
}
// Helper class for constructing HttpStreamParser and running GET requests.
class SimpleGetRunner {
public:
SimpleGetRunner() : read_buffer_(new GrowableIOBuffer), sequence_number_(0) {
writes_.push_back(MockWrite(
SYNCHRONOUS, sequence_number_++, "GET / HTTP/1.1\r\n\r\n"));
}
HttpStreamParser* parser() { return parser_.get(); }
GrowableIOBuffer* read_buffer() { return read_buffer_.get(); }
HttpResponseInfo* response_info() { return &response_info_; }
void AddInitialData(const std::string& data) {
int offset = read_buffer_->offset();
int size = data.size();
read_buffer_->SetCapacity(offset + size);
memcpy(read_buffer_->StartOfBuffer() + offset, data.data(), size);
read_buffer_->set_offset(offset + size);
}
void AddRead(const std::string& data) {
reads_.push_back(MockRead(SYNCHRONOUS, sequence_number_++, data.data()));
}
void SetupParserAndSendRequest() {
reads_.push_back(MockRead(SYNCHRONOUS, 0, sequence_number_++)); // EOF
data_.reset(new SequencedSocketData(&reads_.front(), reads_.size(),
&writes_.front(), writes_.size()));
socket_handle_ = CreateConnectedSocketHandle(data_.get());
request_info_.method = "GET";
request_info_.url = GURL("http://localhost");
request_info_.load_flags = LOAD_NORMAL;
parser_.reset(new HttpStreamParser(
socket_handle_.get(), &request_info_, read_buffer(), BoundNetLog()));
TestCompletionCallback callback;
ASSERT_EQ(OK, parser_->SendRequest("GET / HTTP/1.1\r\n", request_headers_,
&response_info_, callback.callback()));
}
void ReadHeaders() {
TestCompletionCallback callback;
EXPECT_EQ(OK, parser_->ReadResponseHeaders(callback.callback()));
}
void ReadBody(int user_buf_len, int* read_lengths) {
TestCompletionCallback callback;
scoped_refptr<IOBuffer> buffer = new IOBuffer(user_buf_len);
int rv;
int i = 0;
while (true) {
rv = parser_->ReadResponseBody(
buffer.get(), user_buf_len, callback.callback());
EXPECT_EQ(read_lengths[i], rv);
i++;
if (rv <= 0)
return;
}
}
private:
HttpRequestHeaders request_headers_;
HttpResponseInfo response_info_;
HttpRequestInfo request_info_;
scoped_refptr<GrowableIOBuffer> read_buffer_;
std::vector<MockRead> reads_;
std::vector<MockWrite> writes_;
std::unique_ptr<ClientSocketHandle> socket_handle_;
std::unique_ptr<SequencedSocketData> data_;
std::unique_ptr<HttpStreamParser> parser_;
int sequence_number_;
};
// Test that HTTP/0.9 response size is correctly calculated.
TEST(HttpStreamParser, ReceivedBytesNoHeaders) {
std::string response = "hello\r\nworld\r\n";
SimpleGetRunner get_runner;
get_runner.AddRead(response);
get_runner.SetupParserAndSendRequest();
get_runner.ReadHeaders();
EXPECT_EQ(0, get_runner.parser()->received_bytes());
int response_size = response.size();
int read_lengths[] = {response_size, 0};
get_runner.ReadBody(response_size, read_lengths);
EXPECT_EQ(response_size, get_runner.parser()->received_bytes());
}
// Test basic case where there is no keep-alive or extra data from the socket,
// and the entire response is received in a single read.
TEST(HttpStreamParser, ReceivedBytesNormal) {
std::string headers = "HTTP/1.1 200 OK\r\n"
"Content-Length: 7\r\n\r\n";
std::string body = "content";
std::string response = headers + body;
SimpleGetRunner get_runner;
get_runner.AddRead(response);
get_runner.SetupParserAndSendRequest();
get_runner.ReadHeaders();
int64_t headers_size = headers.size();
EXPECT_EQ(headers_size, get_runner.parser()->received_bytes());
int body_size = body.size();
int read_lengths[] = {body_size, 0};
get_runner.ReadBody(body_size, read_lengths);
int64_t response_size = response.size();
EXPECT_EQ(response_size, get_runner.parser()->received_bytes());
}
// Test that bytes that represent "next" response are not counted
// as current response "received_bytes".
TEST(HttpStreamParser, ReceivedBytesExcludesNextResponse) {
std::string headers = "HTTP/1.1 200 OK\r\n"
"Content-Length: 8\r\n\r\n";
std::string body = "content8";
std::string response = headers + body;
std::string next_response = "HTTP/1.1 200 OK\r\n\r\nFOO";
std::string data = response + next_response;
SimpleGetRunner get_runner;
get_runner.AddRead(data);
get_runner.SetupParserAndSendRequest();
get_runner.ReadHeaders();
EXPECT_EQ(39, get_runner.parser()->received_bytes());
int64_t headers_size = headers.size();
EXPECT_EQ(headers_size, get_runner.parser()->received_bytes());
int body_size = body.size();
int read_lengths[] = {body_size, 0};
get_runner.ReadBody(body_size, read_lengths);
int64_t response_size = response.size();
EXPECT_EQ(response_size, get_runner.parser()->received_bytes());
int64_t next_response_size = next_response.size();
EXPECT_EQ(next_response_size, get_runner.read_buffer()->offset());
}
// Test that "received_bytes" calculation works fine when last read
// contains more data than requested by user.
// We send data in two reads:
// 1) Headers + beginning of response
// 2) remaining part of response + next response start
// We setup user read buffer so it fully accepts the beginnig of response
// body, but it is larger that remaining part of body.
TEST(HttpStreamParser, ReceivedBytesMultiReadExcludesNextResponse) {
std::string headers = "HTTP/1.1 200 OK\r\n"
"Content-Length: 36\r\n\r\n";
int64_t user_buf_len = 32;
std::string body_start = std::string(user_buf_len, '#');
int body_start_size = body_start.size();
EXPECT_EQ(user_buf_len, body_start_size);
std::string response_start = headers + body_start;
std::string body_end = "abcd";
std::string next_response = "HTTP/1.1 200 OK\r\n\r\nFOO";
std::string response_end = body_end + next_response;
SimpleGetRunner get_runner;
get_runner.AddRead(response_start);
get_runner.AddRead(response_end);
get_runner.SetupParserAndSendRequest();
get_runner.ReadHeaders();
int64_t headers_size = headers.size();
EXPECT_EQ(headers_size, get_runner.parser()->received_bytes());
int body_end_size = body_end.size();
int read_lengths[] = {body_start_size, body_end_size, 0};
get_runner.ReadBody(body_start_size, read_lengths);
int64_t response_size = response_start.size() + body_end_size;
EXPECT_EQ(response_size, get_runner.parser()->received_bytes());
int64_t next_response_size = next_response.size();
EXPECT_EQ(next_response_size, get_runner.read_buffer()->offset());
}
// Test that "received_bytes" calculation works fine when there is no
// network activity at all; that is when all data is read from read buffer.
// In this case read buffer contains two responses. We expect that only
// bytes that correspond to the first one are taken into account.
TEST(HttpStreamParser, ReceivedBytesFromReadBufExcludesNextResponse) {
std::string headers = "HTTP/1.1 200 OK\r\n"
"Content-Length: 7\r\n\r\n";
std::string body = "content";
std::string response = headers + body;
std::string next_response = "HTTP/1.1 200 OK\r\n\r\nFOO";
std::string data = response + next_response;
SimpleGetRunner get_runner;
get_runner.AddInitialData(data);
get_runner.SetupParserAndSendRequest();
get_runner.ReadHeaders();
int64_t headers_size = headers.size();
EXPECT_EQ(headers_size, get_runner.parser()->received_bytes());
int body_size = body.size();
int read_lengths[] = {body_size, 0};
get_runner.ReadBody(body_size, read_lengths);
int64_t response_size = response.size();
EXPECT_EQ(response_size, get_runner.parser()->received_bytes());
int64_t next_response_size = next_response.size();
EXPECT_EQ(next_response_size, get_runner.read_buffer()->offset());
}
// Test calculating "received_bytes" when part of request has been already
// loaded and placed to read buffer by previous stream parser.
TEST(HttpStreamParser, ReceivedBytesUseReadBuf) {
std::string buffer = "HTTP/1.1 200 OK\r\n";
std::string remaining_headers = "Content-Length: 7\r\n\r\n";
int64_t headers_size = buffer.size() + remaining_headers.size();
std::string body = "content";
std::string response = remaining_headers + body;
SimpleGetRunner get_runner;
get_runner.AddInitialData(buffer);
get_runner.AddRead(response);
get_runner.SetupParserAndSendRequest();
get_runner.ReadHeaders();
EXPECT_EQ(headers_size, get_runner.parser()->received_bytes());
int body_size = body.size();
int read_lengths[] = {body_size, 0};
get_runner.ReadBody(body_size, read_lengths);
EXPECT_EQ(headers_size + body_size, get_runner.parser()->received_bytes());
EXPECT_EQ(0, get_runner.read_buffer()->offset());
}
// Test the case when the resulting read_buf contains both unused bytes and
// bytes ejected by chunked-encoding filter.
TEST(HttpStreamParser, ReceivedBytesChunkedTransferExcludesNextResponse) {
std::string response = "HTTP/1.1 200 OK\r\n"
"Transfer-Encoding: chunked\r\n\r\n"
"7\r\nChunk 1\r\n"
"8\r\nChunky 2\r\n"
"6\r\nTest 3\r\n"
"0\r\n\r\n";
std::string next_response = "foo bar\r\n";
std::string data = response + next_response;
SimpleGetRunner get_runner;
get_runner.AddInitialData(data);
get_runner.SetupParserAndSendRequest();
get_runner.ReadHeaders();
int read_lengths[] = {4, 3, 6, 2, 6, 0};
get_runner.ReadBody(7, read_lengths);
int64_t response_size = response.size();
EXPECT_EQ(response_size, get_runner.parser()->received_bytes());
int64_t next_response_size = next_response.size();
EXPECT_EQ(next_response_size, get_runner.read_buffer()->offset());
}
// Test that data transfered in multiple reads is correctly processed.
// We feed data into 4-bytes reads. Also we set length of read
// buffer to 5-bytes to test all possible buffer misaligments.
TEST(HttpStreamParser, ReceivedBytesMultipleReads) {
std::string headers = "HTTP/1.1 200 OK\r\n"
"Content-Length: 33\r\n\r\n";
std::string body = "foo bar baz\r\n"
"sputnik mir babushka";
std::string response = headers + body;
size_t receive_length = 4;
std::vector<std::string> blocks;
for (size_t i = 0; i < response.size(); i += receive_length) {
size_t length = std::min(receive_length, response.size() - i);
blocks.push_back(response.substr(i, length));
}
SimpleGetRunner get_runner;
for (std::vector<std::string>::size_type i = 0; i < blocks.size(); ++i)
get_runner.AddRead(blocks[i]);
get_runner.SetupParserAndSendRequest();
get_runner.ReadHeaders();
int64_t headers_size = headers.size();
EXPECT_EQ(headers_size, get_runner.parser()->received_bytes());
int read_lengths[] = {1, 4, 4, 4, 4, 4, 4, 4, 4, 0};
get_runner.ReadBody(receive_length + 1, read_lengths);
int64_t response_size = response.size();
EXPECT_EQ(response_size, get_runner.parser()->received_bytes());
}
// Test that "continue" HTTP header is counted as "received_bytes".
TEST(HttpStreamParser, ReceivedBytesIncludesContinueHeader) {
std::string status100 = "HTTP/1.1 100 OK\r\n\r\n";
std::string headers = "HTTP/1.1 200 OK\r\n"
"Content-Length: 7\r\n\r\n";
int64_t headers_size = status100.size() + headers.size();
std::string body = "content";
std::string response = headers + body;
SimpleGetRunner get_runner;
get_runner.AddRead(status100);
get_runner.AddRead(response);
get_runner.SetupParserAndSendRequest();
get_runner.ReadHeaders();
EXPECT_EQ(100, get_runner.response_info()->headers->response_code());
int64_t status100_size = status100.size();
EXPECT_EQ(status100_size, get_runner.parser()->received_bytes());
get_runner.ReadHeaders();
EXPECT_EQ(200, get_runner.response_info()->headers->response_code());
EXPECT_EQ(headers_size, get_runner.parser()->received_bytes());
int64_t response_size = headers_size + body.size();
int body_size = body.size();
int read_lengths[] = {body_size, 0};
get_runner.ReadBody(body_size, read_lengths);
EXPECT_EQ(response_size, get_runner.parser()->received_bytes());
}
// Test that an HttpStreamParser can be read from after it's received headers
// and data structures owned by its owner have been deleted. This happens
// when a ResponseBodyDrainer is used.
TEST(HttpStreamParser, ReadAfterUnownedObjectsDestroyed) {
MockWrite writes[] = {
MockWrite(SYNCHRONOUS, 0,
"GET /foo.html HTTP/1.1\r\n\r\n"),
};
const int kBodySize = 1;
MockRead reads[] = {
MockRead(SYNCHRONOUS, 1, "HTTP/1.1 200 OK\r\n"),
MockRead(SYNCHRONOUS, 2, "Content-Length: 1\r\n"),
MockRead(SYNCHRONOUS, 3, "Connection: Keep-Alive\r\n\r\n"),
MockRead(SYNCHRONOUS, 4, "1"),
MockRead(SYNCHRONOUS, 0, 5), // EOF
};
SequencedSocketData data(reads, arraysize(reads), writes, arraysize(writes));
std::unique_ptr<ClientSocketHandle> socket_handle =
CreateConnectedSocketHandle(&data);
std::unique_ptr<HttpRequestInfo> request_info(new HttpRequestInfo());
request_info->method = "GET";
request_info->url = GURL("http://somewhere/foo.html");
scoped_refptr<GrowableIOBuffer> read_buffer(new GrowableIOBuffer);
HttpStreamParser parser(socket_handle.get(), request_info.get(),
read_buffer.get(), BoundNetLog());
std::unique_ptr<HttpRequestHeaders> request_headers(new HttpRequestHeaders());
std::unique_ptr<HttpResponseInfo> response_info(new HttpResponseInfo());
TestCompletionCallback callback;
ASSERT_EQ(OK, parser.SendRequest("GET /foo.html HTTP/1.1\r\n",
*request_headers, response_info.get(), callback.callback()));
ASSERT_EQ(OK, parser.ReadResponseHeaders(callback.callback()));
// If the object that owns the HttpStreamParser is deleted, it takes the
// objects passed to the HttpStreamParser with it.
request_info.reset();
request_headers.reset();
response_info.reset();
scoped_refptr<IOBuffer> body_buffer(new IOBuffer(kBodySize));
ASSERT_EQ(kBodySize, parser.ReadResponseBody(
body_buffer.get(), kBodySize, callback.callback()));
EXPECT_EQ(CountWriteBytes(writes, arraysize(writes)), parser.sent_bytes());
EXPECT_EQ(CountReadBytes(reads, arraysize(reads)), parser.received_bytes());
}
} // namespace
} // namespace net