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// Copyright 2014 The Chromium OS 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 <chromeos/http/http_form_data.h>
#include <set>
#include <base/files/file_util.h>
#include <base/files/scoped_temp_dir.h>
#include <chromeos/mime_utils.h>
#include <chromeos/streams/file_stream.h>
#include <chromeos/streams/input_stream_set.h>
#include <gtest/gtest.h>
namespace chromeos {
namespace http {
namespace {
std::string GetFormFieldData(FormField* field) {
std::vector<StreamPtr> streams;
CHECK(field->ExtractDataStreams(&streams));
StreamPtr stream = InputStreamSet::Create(std::move(streams), nullptr);
std::vector<uint8_t> data(stream->GetSize());
EXPECT_TRUE(stream->ReadAllBlocking(data.data(), data.size(), nullptr));
return std::string{data.begin(), data.end()};
}
} // anonymous namespace
TEST(HttpFormData, TextFormField) {
TextFormField form_field{"field1", "abcdefg", mime::text::kPlain, "7bit"};
const char expected_header[] =
"Content-Disposition: form-data; name=\"field1\"\r\n"
"Content-Type: text/plain\r\n"
"Content-Transfer-Encoding: 7bit\r\n"
"\r\n";
EXPECT_EQ(expected_header, form_field.GetContentHeader());
EXPECT_EQ("abcdefg", GetFormFieldData(&form_field));
}
TEST(HttpFormData, FileFormField) {
base::ScopedTempDir dir;
ASSERT_TRUE(dir.CreateUniqueTempDir());
std::string file_content{"text line1\ntext line2\n"};
base::FilePath file_name = dir.path().Append("sample.txt");
ASSERT_EQ(file_content.size(),
static_cast<size_t>(base::WriteFile(
file_name, file_content.data(), file_content.size())));
StreamPtr stream = FileStream::Open(file_name, Stream::AccessMode::READ,
FileStream::Disposition::OPEN_EXISTING,
nullptr);
ASSERT_NE(nullptr, stream);
FileFormField form_field{"test_file",
std::move(stream),
"sample.txt",
content_disposition::kFormData,
mime::text::kPlain,
""};
const char expected_header[] =
"Content-Disposition: form-data; name=\"test_file\";"
" filename=\"sample.txt\"\r\n"
"Content-Type: text/plain\r\n"
"\r\n";
EXPECT_EQ(expected_header, form_field.GetContentHeader());
EXPECT_EQ(file_content, GetFormFieldData(&form_field));
}
TEST(HttpFormData, MultiPartFormField) {
base::ScopedTempDir dir;
ASSERT_TRUE(dir.CreateUniqueTempDir());
std::string file1{"text line1\ntext line2\n"};
base::FilePath filename1 = dir.path().Append("sample.txt");
ASSERT_EQ(file1.size(),
static_cast<size_t>(
base::WriteFile(filename1, file1.data(), file1.size())));
std::string file2{"\x01\x02\x03\x04\x05"};
base::FilePath filename2 = dir.path().Append("test.bin");
ASSERT_EQ(file2.size(),
static_cast<size_t>(
base::WriteFile(filename2, file2.data(), file2.size())));
MultiPartFormField form_field{"foo", mime::multipart::kFormData, "Delimiter"};
form_field.AddTextField("name", "John Doe");
EXPECT_TRUE(form_field.AddFileField("file1",
filename1,
content_disposition::kFormData,
mime::text::kPlain,
nullptr));
EXPECT_TRUE(form_field.AddFileField("file2",
filename2,
content_disposition::kFormData,
mime::application::kOctet_stream,
nullptr));
const char expected_header[] =
"Content-Disposition: form-data; name=\"foo\"\r\n"
"Content-Type: multipart/form-data; boundary=\"Delimiter\"\r\n"
"\r\n";
EXPECT_EQ(expected_header, form_field.GetContentHeader());
const char expected_data[] =
"--Delimiter\r\n"
"Content-Disposition: form-data; name=\"name\"\r\n"
"\r\n"
"John Doe\r\n"
"--Delimiter\r\n"
"Content-Disposition: form-data; name=\"file1\";"
" filename=\"sample.txt\"\r\n"
"Content-Type: text/plain\r\n"
"Content-Transfer-Encoding: binary\r\n"
"\r\n"
"text line1\ntext line2\n\r\n"
"--Delimiter\r\n"
"Content-Disposition: form-data; name=\"file2\";"
" filename=\"test.bin\"\r\n"
"Content-Type: application/octet-stream\r\n"
"Content-Transfer-Encoding: binary\r\n"
"\r\n"
"\x01\x02\x03\x04\x05\r\n"
"--Delimiter--";
EXPECT_EQ(expected_data, GetFormFieldData(&form_field));
}
TEST(HttpFormData, MultiPartBoundary) {
const int count = 10;
std::set<std::string> boundaries;
for (int i = 0; i < count; i++) {
MultiPartFormField field{""};
std::string boundary = field.GetBoundary();
boundaries.insert(boundary);
// Our generated boundary must be 16 character long and contain lowercase
// hexadecimal digits only.
EXPECT_EQ(16u, boundary.size());
EXPECT_EQ(std::string::npos,
boundary.find_first_not_of("0123456789abcdef"));
}
// Now make sure the boundary strings were generated at random, so we should
// get |count| unique boundary strings. However since the strings are random,
// there is a very slim change of generating the same string twice, so
// expect at least 90% of unique strings. 90% is picked arbitrarily here.
int expected_min_unique = count * 9 / 10;
EXPECT_GE(boundaries.size(), expected_min_unique);
}
TEST(HttpFormData, FormData) {
base::ScopedTempDir dir;
ASSERT_TRUE(dir.CreateUniqueTempDir());
std::string file1{"text line1\ntext line2\n"};
base::FilePath filename1 = dir.path().Append("sample.txt");
ASSERT_EQ(file1.size(),
static_cast<size_t>(
base::WriteFile(filename1, file1.data(), file1.size())));
std::string file2{"\x01\x02\x03\x04\x05"};
base::FilePath filename2 = dir.path().Append("test.bin");
ASSERT_EQ(file2.size(),
static_cast<size_t>(
base::WriteFile(filename2, file2.data(), file2.size())));
FormData form_data{"boundary1"};
form_data.AddTextField("name", "John Doe");
std::unique_ptr<MultiPartFormField> files{
new MultiPartFormField{"files", "", "boundary2"}};
EXPECT_TRUE(files->AddFileField(
"", filename1, content_disposition::kFile, mime::text::kPlain, nullptr));
EXPECT_TRUE(files->AddFileField("",
filename2,
content_disposition::kFile,
mime::application::kOctet_stream,
nullptr));
form_data.AddCustomField(std::move(files));
EXPECT_EQ("multipart/form-data; boundary=\"boundary1\"",
form_data.GetContentType());
StreamPtr stream = form_data.ExtractDataStream();
std::vector<uint8_t> data(stream->GetSize());
EXPECT_TRUE(stream->ReadAllBlocking(data.data(), data.size(), nullptr));
const char expected_data[] =
"--boundary1\r\n"
"Content-Disposition: form-data; name=\"name\"\r\n"
"\r\n"
"John Doe\r\n"
"--boundary1\r\n"
"Content-Disposition: form-data; name=\"files\"\r\n"
"Content-Type: multipart/mixed; boundary=\"boundary2\"\r\n"
"\r\n"
"--boundary2\r\n"
"Content-Disposition: file; filename=\"sample.txt\"\r\n"
"Content-Type: text/plain\r\n"
"Content-Transfer-Encoding: binary\r\n"
"\r\n"
"text line1\ntext line2\n\r\n"
"--boundary2\r\n"
"Content-Disposition: file; filename=\"test.bin\"\r\n"
"Content-Type: application/octet-stream\r\n"
"Content-Transfer-Encoding: binary\r\n"
"\r\n"
"\x01\x02\x03\x04\x05\r\n"
"--boundary2--\r\n"
"--boundary1--";
EXPECT_EQ(expected_data, (std::string{data.begin(), data.end()}));
}
} // namespace http
} // namespace chromeos
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