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/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. You may not use this file except in compliance with the License.
*
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Copyright (C) 2020 ScyllaDB.
*/
#include <seastar/core/sstring.hh>
#include <seastar/core/thread.hh>
#include <seastar/core/temporary_buffer.hh>
#include <seastar/http/internal/content_source.hh>
#include <seastar/testing/test_case.hh>
#include <tuple>
using namespace seastar;
class buf_source_impl : public data_source_impl {
temporary_buffer<char> _tmp;
public:
buf_source_impl(sstring str) : _tmp(str.c_str(), str.size()) {};
virtual future<temporary_buffer<char>> get() override {
if (_tmp.empty()) {
return make_ready_future<temporary_buffer<char>>();
}
return make_ready_future<temporary_buffer<char>>(std::move(_tmp));
}
virtual future<temporary_buffer<char>> skip(uint64_t n) override {
_tmp.trim_front(std::min(_tmp.size(), n));
return make_ready_future<temporary_buffer<char>>();
}
};
SEASTAR_TEST_CASE(test_incomplete_content) {
return seastar::async([] {
auto inp = input_stream<char>(data_source(std::make_unique<buf_source_impl>(sstring("asdfghjkl;"))));
auto content_strm = input_stream<char>(data_source(std::make_unique<httpd::internal::content_length_source_impl>(inp, 20)));
auto content1 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>("asdfghjkl;", 10) == content1);
auto content2 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>() == content2);
BOOST_REQUIRE(content_strm.eof());
BOOST_REQUIRE(inp.eof());
inp = input_stream<char>(data_source(std::make_unique<buf_source_impl>(sstring("4\r\n132"))));
std::unordered_map<sstring, sstring> tmp, tmp2;
content_strm = input_stream<char>(data_source(std::make_unique<httpd::internal::chunked_source_impl>(inp, tmp, tmp2)));
content1 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>("132", 3) == content1);
content2 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>() == content2);
BOOST_REQUIRE(content_strm.eof());
});
}
SEASTAR_TEST_CASE(test_complete_content) {
return seastar::async([] {
auto inp = input_stream<char>(data_source(std::make_unique<buf_source_impl>(sstring("asdfghjkl;1234567890"))));
auto content_strm = input_stream<char>(data_source(std::make_unique<httpd::internal::content_length_source_impl>(inp, 20)));
auto content1 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>("asdfghjkl;1234567890", 20) == content1);
auto content2 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>() == content2);
BOOST_REQUIRE(content_strm.eof());
inp = input_stream<char>(data_source(std::make_unique<buf_source_impl>(sstring("4\r\n1324\r\n0\r\n\r\n"))));
std::unordered_map<sstring, sstring> tmp, tmp2;
content_strm = input_stream<char>(data_source(std::make_unique<httpd::internal::chunked_source_impl>(inp, tmp, tmp2)));
content1 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>("1324", 4) == content1);
content2 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>() == content2);
BOOST_REQUIRE(content_strm.eof());
});
}
SEASTAR_TEST_CASE(test_more_than_requests_content) {
return seastar::async([] {
auto inp = input_stream<char>(data_source(std::make_unique<buf_source_impl>(sstring("asdfghjkl;1234567890xyz"))));
auto content_strm = input_stream<char>(data_source(std::make_unique<httpd::internal::content_length_source_impl>(inp, 20)));
auto content1 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>("asdfghjkl;1234567890", 20) == content1);
auto content2 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>() == content2);
BOOST_REQUIRE(content_strm.eof());
auto content3 = inp.read().get();
BOOST_REQUIRE(temporary_buffer<char>("xyz", 3) == content3);
inp = input_stream<char>(data_source(std::make_unique<buf_source_impl>(sstring("4\r\n1324\r\n0\r\n\r\nxyz"))));
std::unordered_map<sstring, sstring> tmp, tmp2;
content_strm = input_stream<char>(data_source(std::make_unique<httpd::internal::chunked_source_impl>(inp, tmp, tmp2)));
content1 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>("1324", 4) == content1);
content2 = content_strm.read().get();
BOOST_REQUIRE(temporary_buffer<char>() == content2);
BOOST_REQUIRE(content_strm.eof());
content3 = inp.read().get();
BOOST_REQUIRE(temporary_buffer<char>("xyz", 3) == content3);
});
}
class single_bytes_source_impl : public data_source_impl {
temporary_buffer<char> _tmp;
public:
single_bytes_source_impl(temporary_buffer<char> tmp)
: _tmp(std::move(tmp)) {
}
virtual future<temporary_buffer<char>> get() override {
if (_tmp.empty()) {
return make_ready_future<temporary_buffer<char>>();
}
auto byte = _tmp.share(0, 1);
_tmp.trim_front(1);
return make_ready_future<temporary_buffer<char>>(std::move(byte));
}
virtual future<temporary_buffer<char>> skip(uint64_t n) override {
_tmp.trim_front(std::min(_tmp.size(), n));
return make_ready_future<temporary_buffer<char>>();
}
};
SEASTAR_TEST_CASE(test_single_bytes_source) {
return seastar::async([] {
sstring input_str = "test input";
auto ds = data_source(std::make_unique<single_bytes_source_impl>(temporary_buffer<char>(input_str.c_str(), input_str.size())));
for (auto& ch : input_str) {
temporary_buffer<char> one_letter_buf(1);
*one_letter_buf.get_write() = ch;
auto get_buf = ds.get().get();
BOOST_REQUIRE(one_letter_buf == get_buf);
}
});
}
SEASTAR_TEST_CASE(test_fragmented_chunks) {
// Test if a message that cannot be parsed as a http request is being replied with a 400 Bad Request response
return seastar::async([] {
sstring request_string = "a;chunk=ext\r\n1234567890\r\n0\r\ntrailer: part\r\n\r\n";
auto inp = input_stream<char>(data_source(std::make_unique<single_bytes_source_impl>(temporary_buffer<char>(request_string.c_str(), request_string.size()))));
std::unordered_map<sstring, sstring> chunk_extensions;
std::unordered_map<sstring, sstring> trailing_headers;
auto content_stream = input_stream<char>(data_source(std::make_unique<httpd::internal::chunked_source_impl>(inp, chunk_extensions, trailing_headers)));
for (auto& ch : sstring("1234567890")) {
temporary_buffer<char> one_letter_buf(1);
*one_letter_buf.get_write() = ch;
auto read_buf = content_stream.read().get();
BOOST_REQUIRE(one_letter_buf == read_buf);
}
auto read_buf = content_stream.read().get();
BOOST_REQUIRE(temporary_buffer<char>() == read_buf);
BOOST_REQUIRE(chunk_extensions[sstring("chunk")] == sstring("ext"));
BOOST_REQUIRE(trailing_headers[sstring("trailer")] == sstring("part"));
});
}
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