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updated build system

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This commit is contained in:
Scott E. Graves
2024-08-07 10:38:34 -05:00
parent 9d3e4b8767
commit eddc6bb67c
51 changed files with 2142 additions and 1748 deletions
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1
support/src/utils/common.cpp
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@ -21,7 +21,6 @@
*/
#include "utils/common.hpp"
#include "utils/path.hpp"
#include "utils/string.hpp"
namespace repertory::utils {

397
support/src/utils/encrypting_reader.cpp Normal file
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@ -0,0 +1,397 @@
/*
Copyright <2018-2024> <scott.e.graves@protonmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "utils/encrypting_reader.hpp"
#include "utils/collection.hpp"
#include "utils/common.hpp"
#include "utils/encryption.hpp"
#include "utils/error.hpp"
#include "utils/unix.hpp"
#include "utils/windows.hpp"
#if defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)
#if !defined(CURL_READFUNC_ABORT)
#define CURL_READFUNC_ABORT (-1)
#endif // !defined(CURL_READFUNC_ABORT)
namespace repertory::utils::encryption {
class encrypting_streambuf final : public encrypting_reader::streambuf {
public:
encrypting_streambuf(const encrypting_streambuf &) = default;
encrypting_streambuf(encrypting_streambuf &&) = delete;
auto
operator=(const encrypting_streambuf &) -> encrypting_streambuf & = delete;
auto operator=(encrypting_streambuf &&) -> encrypting_streambuf & = delete;
explicit encrypting_streambuf(const encrypting_reader &reader)
: reader_(reader) {
setg(reinterpret_cast<char *>(0), reinterpret_cast<char *>(0),
reinterpret_cast<char *>(reader_.get_total_size()));
}
~encrypting_streambuf() override = default;
private:
encrypting_reader reader_;
protected:
auto seekoff(off_type off, std::ios_base::seekdir dir,
std::ios_base::openmode which = std::ios_base::out |
std::ios_base::in)
-> pos_type override {
if ((which & std::ios_base::in) != std::ios_base::in) {
throw std::runtime_error("output is not supported");
}
const auto set_position = [this](char *next) -> pos_type {
if ((next <= egptr()) && (next >= eback())) {
setg(eback(), next, reinterpret_cast<char *>(reader_.get_total_size()));
return static_cast<std::streamoff>(
reinterpret_cast<std::uintptr_t>(gptr()));
}
return {traits_type::eof()};
};
switch (dir) {
case std::ios_base::beg:
return set_position(eback() + off);
case std::ios_base::cur:
return set_position(gptr() + off);
case std::ios_base::end:
return set_position(egptr() + off);
}
return encrypting_reader::streambuf::seekoff(off, dir, which);
}
auto seekpos(pos_type pos, std::ios_base::openmode which =
std::ios_base::out |
std::ios_base::in) -> pos_type override {
return seekoff(pos, std::ios_base::beg, which);
}
auto uflow() -> int_type override {
auto ret = underflow();
if (ret == traits_type::eof()) {
return ret;
}
gbump(1);
return ret;
}
auto underflow() -> int_type override {
if (gptr() == egptr()) {
return traits_type::eof();
}
reader_.set_read_position(reinterpret_cast<std::uintptr_t>(gptr()));
char c{};
const auto res = encrypting_reader::reader_function(&c, 1U, 1U, &reader_);
if (res != 1) {
return traits_type::eof();
}
return c;
}
auto xsgetn(char *ptr, std::streamsize count) -> std::streamsize override {
if (gptr() == egptr()) {
return traits_type::eof();
}
reader_.set_read_position(reinterpret_cast<std::uintptr_t>(gptr()));
const auto res = encrypting_reader::reader_function(
ptr, 1U, static_cast<std::size_t>(count), &reader_);
if ((res == reader_.get_error_return()) ||
(reader_.get_stop_requested() && (res == CURL_READFUNC_ABORT))) {
return traits_type::eof();
}
setg(eback(), gptr() + res,
reinterpret_cast<char *>(reader_.get_total_size()));
return static_cast<std::streamsize>(res);
}
};
class encrypting_reader_iostream final : public encrypting_reader::iostream {
public:
encrypting_reader_iostream(const encrypting_reader_iostream &) = delete;
encrypting_reader_iostream(encrypting_reader_iostream &&) = delete;
auto operator=(const encrypting_reader_iostream &)
-> encrypting_reader_iostream & = delete;
auto operator=(encrypting_reader_iostream &&)
-> encrypting_reader_iostream & = delete;
explicit encrypting_reader_iostream(
std::unique_ptr<encrypting_streambuf> buffer)
: encrypting_reader::iostream(buffer.get()), buffer_(std::move(buffer)) {}
~encrypting_reader_iostream() override = default;
private:
std::unique_ptr<encrypting_streambuf> buffer_;
};
const std::size_t encrypting_reader::header_size_ = ([]() {
return crypto_aead_xchacha20poly1305_IETF_NPUBBYTES +
crypto_aead_xchacha20poly1305_IETF_ABYTES;
})();
const std::size_t encrypting_reader::data_chunk_size_ = (8UL * 1024UL * 1024UL);
const std::size_t encrypting_reader::encrypted_chunk_size_ =
data_chunk_size_ + header_size_;
encrypting_reader::encrypting_reader(
std::string_view file_name, std::string_view source_path,
stop_type &stop_requested, std::string_view token,
std::optional<std::string_view> relative_parent_path,
std::size_t error_return)
: key_(utils::encryption::generate_key<utils::encryption::hash_256_t>(
token)),
stop_requested_(stop_requested),
error_return_(error_return),
source_file_(utils::file::file::open_or_create_file(source_path)) {
if (not source_file_) {
throw std::runtime_error("file open failed|src|" +
std::string{source_path});
}
data_buffer result;
utils::encryption::encrypt_data(
key_, reinterpret_cast<const unsigned char *>(file_name.data()),
file_name.size(), result);
encrypted_file_name_ = utils::collection::to_hex_string(result);
if (relative_parent_path.has_value()) {
for (auto &&part : std::filesystem::path(relative_parent_path.value())) {
utils::encryption::encrypt_data(
key_, reinterpret_cast<const unsigned char *>(part.string().c_str()),
strnlen(part.string().c_str(), part.string().size()), result);
encrypted_file_path_ += '/' + utils::collection::to_hex_string(result);
}
encrypted_file_path_ += '/' + encrypted_file_name_;
}
auto file_size = source_file_.size();
const auto total_chunks = utils::divide_with_ceiling(
file_size, static_cast<std::uint64_t>(data_chunk_size_));
total_size_ = file_size + (total_chunks * encryption_header_size);
last_data_chunk_ = total_chunks - 1U;
last_data_chunk_size_ = (file_size <= data_chunk_size_) ? file_size
: (file_size % data_chunk_size_) == 0U
? data_chunk_size_
: file_size % data_chunk_size_;
iv_list_.resize(total_chunks);
for (auto &iv : iv_list_) {
randombytes_buf(iv.data(), iv.size());
}
}
encrypting_reader::encrypting_reader(std::string_view encrypted_file_path,
std::string_view source_path,
stop_type &stop_requested,
std::string_view token,
std::size_t error_return)
: key_(utils::encryption::generate_key<utils::encryption::hash_256_t>(
token)),
stop_requested_(stop_requested),
error_return_(error_return),
source_file_(utils::file::file::open_or_create_file(source_path)) {
if (not source_file_) {
throw std::runtime_error("file open failed|src|" +
std::string{source_path});
}
encrypted_file_path_ = encrypted_file_path;
encrypted_file_name_ =
std::filesystem::path(encrypted_file_path_).filename().string();
auto file_size = source_file_.size();
const auto total_chunks = utils::divide_with_ceiling(
file_size, static_cast<std::uint64_t>(data_chunk_size_));
total_size_ = file_size + (total_chunks * encryption_header_size);
last_data_chunk_ = total_chunks - 1U;
last_data_chunk_size_ = (file_size <= data_chunk_size_) ? file_size
: (file_size % data_chunk_size_) == 0U
? data_chunk_size_
: file_size % data_chunk_size_;
iv_list_.resize(total_chunks);
for (auto &iv : iv_list_) {
randombytes_buf(iv.data(), iv.size());
}
}
encrypting_reader::encrypting_reader(
std::string_view encrypted_file_path, std::string_view source_path,
stop_type &stop_requested, std::string_view token,
std::vector<
std::array<unsigned char, crypto_aead_xchacha20poly1305_IETF_NPUBBYTES>>
iv_list,
std::size_t error_return)
: key_(utils::encryption::generate_key<utils::encryption::hash_256_t>(
token)),
stop_requested_(stop_requested),
error_return_(error_return),
source_file_(utils::file::file::open_or_create_file(source_path)) {
if (not source_file_) {
throw std::runtime_error("file open failed|src|" +
std::string{source_path});
}
encrypted_file_path_ = encrypted_file_path;
encrypted_file_name_ =
std::filesystem::path(encrypted_file_path_).filename().string();
auto file_size = source_file_.size();
const auto total_chunks = utils::divide_with_ceiling(
file_size, static_cast<std::uint64_t>(data_chunk_size_));
total_size_ = file_size + (total_chunks * encryption_header_size);
last_data_chunk_ = total_chunks - 1U;
last_data_chunk_size_ = (file_size <= data_chunk_size_) ? file_size
: (file_size % data_chunk_size_) == 0U
? data_chunk_size_
: file_size % data_chunk_size_;
iv_list_ = std::move(iv_list);
}
encrypting_reader::encrypting_reader(const encrypting_reader &reader)
: key_(reader.key_),
stop_requested_(reader.stop_requested_),
error_return_(reader.error_return_),
source_file_(
utils::file::file::open_file(reader.source_file_.get_path())),
chunk_buffers_(reader.chunk_buffers_),
encrypted_file_name_(reader.encrypted_file_name_),
encrypted_file_path_(reader.encrypted_file_path_),
iv_list_(reader.iv_list_),
last_data_chunk_(reader.last_data_chunk_),
last_data_chunk_size_(reader.last_data_chunk_size_),
read_offset_(reader.read_offset_),
total_size_(reader.total_size_) {
if (not source_file_) {
throw std::runtime_error("file open failed|src|" +
source_file_.get_path().string());
}
}
auto encrypting_reader::calculate_decrypted_size(std::uint64_t total_size)
-> std::uint64_t {
return total_size - (utils::divide_with_ceiling(
total_size, static_cast<std::uint64_t>(
get_encrypted_chunk_size())) *
encryption_header_size);
}
auto encrypting_reader::calculate_encrypted_size(std::string_view source_path)
-> std::uint64_t {
std::uint64_t file_size{};
if (not utils::file::get_file_size(source_path, file_size)) {
throw std::runtime_error("get file size failed|src|" +
std::string{source_path} + '|' +
std::to_string(utils::get_last_error_code()));
}
const auto total_chunks = utils::divide_with_ceiling(
file_size, static_cast<std::uint64_t>(data_chunk_size_));
return file_size + (total_chunks * encryption_header_size);
}
auto encrypting_reader::create_iostream() const
-> std::shared_ptr<encrypting_reader::iostream> {
return std::make_shared<encrypting_reader_iostream>(
std::make_unique<encrypting_streambuf>(*this));
}
auto encrypting_reader::reader_function(char *buffer, size_t size,
size_t nitems) -> size_t {
static constexpr const std::string_view function_name{
static_cast<const char *>(__FUNCTION__),
};
const auto read_size = static_cast<std::size_t>(std::min(
static_cast<std::uint64_t>(size * nitems), total_size_ - read_offset_));
auto chunk = read_offset_ / encrypted_chunk_size_;
auto chunk_offset = read_offset_ % encrypted_chunk_size_;
std::size_t total_read{};
auto ret = false;
if (read_offset_ < total_size_) {
try {
ret = true;
auto remain = read_size;
while (not stop_requested_ && ret && (remain != 0U)) {
if (chunk_buffers_.find(chunk) == chunk_buffers_.end()) {
auto &chunk_buffer = chunk_buffers_[chunk];
data_buffer file_data(chunk == last_data_chunk_
? last_data_chunk_size_
: data_chunk_size_);
chunk_buffer.resize(file_data.size() + encryption_header_size);
std::size_t bytes_read{};
if ((ret = source_file_.read(file_data, chunk * data_chunk_size_,
&bytes_read))) {
utils::encryption::encrypt_data(iv_list_.at(chunk), key_, file_data,
chunk_buffer);
}
} else if (chunk) {
chunk_buffers_.erase(chunk - 1u);
}
auto &chunk_buffer = chunk_buffers_[chunk];
const auto to_read = std::min(
static_cast<std::size_t>(chunk_buffer.size() - chunk_offset),
remain);
std::memcpy(buffer + total_read, &chunk_buffer[chunk_offset], to_read);
total_read += to_read;
remain -= to_read;
chunk_offset = 0u;
chunk++;
read_offset_ += to_read;
}
} catch (const std::exception &e) {
utils::error::handle_exception(function_name, e);
ret = false;
} catch (...) {
utils::error::handle_exception(function_name);
ret = false;
}
}
return stop_requested_ ? CURL_READFUNC_ABORT
: ret ? total_read
: error_return_;
}
} // namespace repertory::utils::encryption
#endif // defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)

54
support/src/utils/encryption.cpp
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@ -1,54 +0,0 @@
/*
Copyright <2018-2024> <scott.e.graves@protonmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "utils/encryption.hpp"
#if defined(PROJECT_ENABLE_LIBSODIUM)
namespace repertory::utils::encryption {
#if defined(PROJECT_ENABLE_BOOST)
auto decrypt_data(std::string_view password,
std::string_view data) -> data_buffer {
auto key = generate_key<hash_256_t>(password);
data_buffer buf{};
if (not decrypt_data(key,
reinterpret_cast<const unsigned char *>(data.data()),
data.size(), buf)) {
throw std::runtime_error("decryption failed");
}
return buf;
}
auto encrypt_data(std::string_view password,
std::string_view data) -> data_buffer {
auto key = generate_key<hash_256_t>(password);
data_buffer buf{};
encrypt_data(key, reinterpret_cast<const unsigned char *>(data.data()),
data.size(), buf);
return buf;
}
#endif // defined(PROJECT_ENABLE_BOOST)
} // namespace repertory::utils::encryption
#endif // defined(PROJECT_ENABLE_LIBSODIUM)

236
support/src/utils/file.cpp
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@ -27,184 +27,12 @@
#include "utils/string.hpp"
namespace repertory::utils::file {
auto file::open_file(std::filesystem::path path) -> file {
path = utils::path::absolute(path.string());
if (not is_file(path.string())) {
throw std::runtime_error("file not found: " + path.string());
}
auto stream = std::fstream{
path,
std::ios_base::binary | std::ios_base::in | std::ios_base::out,
};
return {
std::move(stream),
path,
};
}
auto file::open_or_create_file(std::filesystem::path path) -> file {
path = utils::path::absolute(path.string());
auto stream = std::fstream{
path.string().c_str(),
std::ios_base::binary | std::ios_base::trunc | std::ios_base::in |
std::ios_base::out,
};
return {
std::move(stream),
path,
};
}
void file::close() {
if (stream_.is_open()) {
stream_.close();
}
}
auto file::move_to(std::filesystem::path new_path) -> bool {
new_path = utils::path::absolute(new_path.string());
auto reopen{false};
if (stream_.is_open()) {
reopen = true;
close();
}
std::filesystem::rename(path_, new_path, error_);
if (not error_) {
path_ = new_path;
if (reopen) {
*this = open_file(path_);
}
return true;
}
if (reopen) {
*this = open_file(path_);
}
return false;
}
auto file::read_(unsigned char *data, std::size_t to_read, std::uint64_t offset,
std::size_t *total_read) -> bool {
static constexpr const std::string_view function_name{
static_cast<const char *>(__FUNCTION__),
};
if (total_read != nullptr) {
(*total_read) = 0U;
}
try {
stream_.seekg(static_cast<std::streamoff>(offset));
auto before = stream_.tellg();
if (before == -1) {
throw std::runtime_error("failed to tellg() before read");
}
stream_.read(reinterpret_cast<char *>(data),
static_cast<std::streamoff>(to_read));
if (total_read != nullptr) {
auto after = stream_.tellg();
if (after >= 0) {
(*total_read) = static_cast<std::size_t>(after - before);
} else if (after == -1 && not stream_.eof()) {
throw std::runtime_error("failed to tellg() after read");
}
}
return true;
} catch (const std::exception &e) {
utils::error::handle_exception(function_name, e);
} catch (...) {
utils::error::handle_exception(function_name);
}
return false;
}
auto file::remove() -> bool {
close();
return std::filesystem::remove(path_, error_);
}
auto file::truncate(std::size_t size) -> bool {
auto reopen{false};
if (stream_.is_open()) {
reopen = true;
close();
}
std::filesystem::resize_file(path_, size, error_);
if (reopen) {
*this = open_file(path_);
}
return not error_;
}
auto file::write_(const unsigned char *data, std::size_t to_write,
std::size_t offset, std::size_t *total_written) -> bool {
static constexpr const std::string_view function_name{
static_cast<const char *>(__FUNCTION__),
};
if (total_written != nullptr) {
(*total_written) = 0U;
}
try {
stream_.seekp(static_cast<std::streamoff>(offset));
auto before = stream_.tellp();
if (before == -1) {
throw std::runtime_error("failed to tellp() before write");
}
stream_.write(reinterpret_cast<const char *>(data),
static_cast<std::streamoff>(to_write));
auto after = stream_.tellp();
if (after == -1) {
throw std::runtime_error("failed to tellp() after write");
}
if (total_written != nullptr) {
(*total_written) = static_cast<std::size_t>(after - before);
}
return true;
} catch (const std::exception &e) {
utils::error::handle_exception(function_name, e);
} catch (...) {
utils::error::handle_exception(function_name);
}
return false;
}
auto get_file_size(std::string_view path, std::uint64_t &file_size) -> bool {
auto abs_path = utils::path::absolute(path);
file_size = 0U;
#if defined(_WIN32)
struct _stat64 st {};
if (_stat64(abs_path.c_str(), &st) != 0) {
#else // !defined(_WIN32)
struct stat st {};
if (stat(abs_path.c_str(), &st) != 0) {
#endif // defined(_WIN32)
return false;
}
if (st.st_size >= 0) {
file_size = static_cast<std::uint64_t>(st.st_size);
}
return (st.st_size >= 0);
std::error_code ec{};
file_size = std::filesystem::file_size(abs_path, ec);
return ec.value() == 0;
}
auto get_file_size(std::wstring_view path, std::uint64_t &file_size) -> bool {
@ -255,44 +83,42 @@ auto read_json_file(std::string_view path, nlohmann::json &data) -> bool {
try {
auto abs_path = utils::path::absolute(path);
if (not is_file(abs_path)) {
return true;
auto file = file::open_file(abs_path);
if (not file) {
return false;
}
std::ifstream file_stream{
abs_path.c_str(),
std::ios_base::binary | std::ios::in,
};
if (not file_stream.is_open()) {
throw std::runtime_error("failed to open file: " + abs_path);
}
auto ret{true};
try {
std::stringstream stream;
stream << file_stream.rdbuf();
data_buffer buffer{};
if (not file.read_all(buffer, 0U)) {
return false;
}
auto json_text = stream.str();
#if defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)
if (password.has_value()) {
auto decrypted_data =
utils::encryption::decrypt_data(*password, json_text);
json_text = {decrypted_data.begin(), decrypted_data.end()};
data_buffer decrypted_data{};
if (not utils::encryption::decrypt_data(*password, buffer,
decrypted_data)) {
return false;
}
buffer = decrypted_data;
}
#endif // defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)
if (not json_text.empty()) {
data = nlohmann::json::parse(json_text.c_str());
std::string json_str(buffer.begin(), buffer.end());
if (not json_str.empty()) {
data = nlohmann::json::parse(json_str);
}
} catch (const std::exception &e) {
utils::error::handle_exception(function_name, e);
ret = false;
return false;
} catch (...) {
utils::error::handle_exception(function_name);
ret = false;
return false;
}
file_stream.close();
return ret;
return true;
} catch (const std::exception &e) {
utils::error::handle_exception(function_name, e);
} catch (...) {
@ -316,18 +142,22 @@ auto write_json_file(std::string_view path,
try {
auto file = file::open_or_create_file(path);
if (not file.truncate()) {
throw std::runtime_error("failed to truncate file: " +
file.get_error_code().message());
throw std::runtime_error("failed to truncate file");
}
#if defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)
if (password.has_value()) {
return file.write(utils::encryption::encrypt_data(*password, data.dump()),
0U);
const auto str_data = data.dump();
data_buffer encrypted_data{};
utils::encryption::encrypt_data(
*password, reinterpret_cast<const unsigned char *>(str_data.c_str()),
str_data.size(), encrypted_data);
return file.write(encrypted_data, 0U);
}
#endif // defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)
return file.write(data, 0U);
return file.write(data.dump(), 0U);
} catch (const std::exception &e) {
utils::error::handle_exception(function_name, e);
} catch (...) {

353
support/src/utils/file_file.cpp Normal file
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@ -0,0 +1,353 @@
/*
Copyright <2018-2024> <scott.e.graves@protonmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "utils/file.hpp"
#include "utils/encryption.hpp"
#include "utils/error.hpp"
#include "utils/path.hpp"
#include "utils/string.hpp"
namespace repertory::utils::file {
auto file::open_file(std::filesystem::path path, bool read_only) -> file {
path = utils::path::absolute(path.string());
if (not is_file(path.string())) {
throw std::runtime_error("file not found: " + path.string());
}
if (not read_only) {
#if defined(_WIN32)
_chmod(path.string().c_str(), 0600U);
#else // !defined(_WIN32)
chmod(path.string().c_str(), 0600U);
#endif // defined(_WIN32)
}
#if defined(_WIN32)
auto *ptr =
_fsopen(path.string().c_str(), read_only ? "rb" : "rb+", _SH_DENYNO);
std::cout << errno << std::endl;
#else // !defined(_WIN32)
auto *ptr = fopen(path.string().c_str(), read_only ? "rb" : "rb+");
#endif // defined(_WIN32)
return file{
file_t{ptr},
path,
};
}
auto file::open_or_create_file(std::filesystem::path path,
bool read_only) -> file {
path = utils::path::absolute(path.string());
#if defined(_WIN32)
int old_mode{};
_umask_s(0600U, &old_mode);
#else // !defined(_WIN32)
auto old_mode = umask(0600U);
#endif // defined(_WIN32)
#if defined(_WIN32)
auto *ptr = _fsopen(path.string().c_str(), "ab+", _SH_DENYNO);
#else // !defined(_WIN32)
auto *ptr = fopen(path.string().c_str(), "ab+");
#endif // defined(_WIN32)
#if defined(_WIN32)
_umask_s(old_mode, nullptr);
#else // !defined(_WIN32)
umask(old_mode);
#endif // defined(_WIN32)
if (ptr != nullptr) {
fclose(ptr);
}
return open_file(path, read_only);
}
void file::close() {
#if defined(_WIN32)
recur_mutex_lock lock{mtx_};
#endif // defined(_WIN32)
file_.reset();
}
void file::flush() {
#if defined(_WIN32)
recur_mutex_lock lock{mtx_};
#endif // defined(_WIN32)
if (file_) {
fflush(file_.get());
}
}
auto file::get_handle() const -> native_handle {
if (file_) {
#if defined(_WIN32)
return reinterpret_cast<native_handle>(
_get_osfhandle(_fileno(file_.get())));
#else // !defined(_WIN32)
return fileno(file_.get());
#endif // defined(_WIN32)
}
return INVALID_HANDLE_VALUE;
}
auto file::move_to(std::filesystem::path new_path) -> bool {
#if defined(_WIN32)
recur_mutex_lock lock{mtx_};
#endif // defined(_WIN32)
new_path = utils::path::absolute(new_path.string());
auto reopen{false};
if (file_) {
reopen = true;
close();
}
std::error_code ec{};
std::filesystem::rename(path_, new_path, ec);
if (not ec) {
path_ = new_path;
if (reopen) {
*this = open_file(path_);
}
return true;
}
if (reopen) {
*this = open_file(path_);
}
return false;
}
auto file::read_all(data_buffer &data, std::uint64_t offset,
std::size_t *total_read) -> bool {
#if defined(_WIN32)
recur_mutex_lock lock{mtx_};
#endif // defined(_WIN32)
data_buffer buffer;
buffer.resize(65536U);
std::size_t current_read{};
while (read(reinterpret_cast<unsigned char *>(buffer.data()),
buffer.size() * sizeof(data_buffer::value_type), offset,
&current_read)) {
if (total_read != nullptr) {
*total_read += current_read;
}
if (current_read != 0U) {
offset += current_read;
data.insert(
data.end(), buffer.begin(),
std::next(buffer.begin(),
static_cast<std::int64_t>(
current_read / sizeof(data_buffer::value_type))));
continue;
}
return true;
}
return false;
}
auto file::read(data_buffer &data, std::uint64_t offset,
std::size_t *total_read) -> bool {
#if defined(_WIN32)
recur_mutex_lock lock{mtx_};
#endif // defined(_WIN32)
std::size_t bytes_read{};
auto ret =
read(reinterpret_cast<unsigned char *>(data.data()),
data.size() * sizeof(data_buffer::value_type), offset, &bytes_read);
data.resize(bytes_read / sizeof(data_buffer::value_type));
if (total_read != nullptr) {
(*total_read) = bytes_read;
}
return ret;
}
auto file::read(unsigned char *data, std::size_t to_read, std::uint64_t offset,
std::size_t *total_read) -> bool {
#if defined(_WIN32)
recur_mutex_lock lock{mtx_};
#endif // defined(_WIN32)
static constexpr const std::string_view function_name{
static_cast<const char *>(__FUNCTION__),
};
if (total_read != nullptr) {
(*total_read) = 0U;
}
try {
if (not file_) {
throw std::runtime_error("file is not open for reading");
}
auto res = fseeko(file_.get(), static_cast<std::int64_t>(offset), SEEK_SET);
if (res == -1) {
throw std::runtime_error("failed to seek before read");
}
auto bytes_read = fread(data, 1U, to_read, file_.get());
if (not feof(file_.get()) && ferror(file_.get())) {
throw std::runtime_error("failed to read file bytes");
}
if (total_read != nullptr) {
(*total_read) = bytes_read;
}
return true;
} catch (const std::exception &e) {
utils::error::handle_exception(function_name, e);
} catch (...) {
utils::error::handle_exception(function_name);
}
return false;
}
auto file::remove() -> bool {
#if defined(_WIN32)
recur_mutex_lock lock{mtx_};
#endif // defined(_WIN32)
close();
std::error_code ec{};
return std::filesystem::remove(path_, ec);
}
auto file::truncate(std::size_t size) -> bool {
#if defined(_WIN32)
recur_mutex_lock lock{mtx_};
#endif // defined(_WIN32)
auto reopen{false};
if (file_) {
reopen = true;
close();
}
std::error_code ec{};
std::filesystem::resize_file(path_, size, ec);
if (reopen) {
*this = open_file(path_);
}
return ec.value() == 0;
}
auto file::write_(const unsigned char *data, std::size_t to_write,
std::size_t offset, std::size_t *total_written) -> bool {
#if defined(_WIN32)
recur_mutex_lock lock{mtx_};
#endif // defined(_WIN32)
static constexpr const std::string_view function_name{
static_cast<const char *>(__FUNCTION__),
};
if (total_written != nullptr) {
(*total_written) = 0U;
}
try {
if (not file_) {
throw std::runtime_error("file is not open for writing");
}
auto res = fseeko(file_.get(), static_cast<std::int64_t>(offset), SEEK_SET);
if (res == -1) {
throw std::runtime_error("failed to seek before write");
}
auto bytes_written =
fwrite(reinterpret_cast<const char *>(data), 1U, to_write, file_.get());
if (not feof(file_.get()) && ferror(file_.get())) {
throw std::runtime_error("failed to read file bytes");
}
flush();
if (total_written != nullptr) {
(*total_written) = bytes_written;
}
return true;
} catch (const std::exception &e) {
utils::error::handle_exception(function_name, e);
} catch (...) {
utils::error::handle_exception(function_name);
}
return false;
}
auto file::size() const -> std::uint64_t {
#if defined(_WIN32)
recur_mutex_lock lock{mtx_};
#endif // defined(_WIN32)
static constexpr const std::string_view function_name{
static_cast<const char *>(__FUNCTION__),
};
try {
if (file_) {
if (fseeko(file_.get(), 0, SEEK_END) == -1) {
throw std::runtime_error("failed to seek");
}
auto size = ftello(file_.get());
if (size == -1) {
throw std::runtime_error("failed to get position");
}
return static_cast<std::uint64_t>(size);
}
} catch (const std::exception &e) {
utils::error::handle_exception(function_name, e);
} catch (...) {
utils::error::handle_exception(function_name);
}
return 0U;
}
} // namespace repertory::utils::file

117
support/src/utils/hash.cpp
View File

@ -23,47 +23,140 @@
#if defined(PROJECT_ENABLE_LIBSODIUM)
namespace {} // namespace
namespace repertory::utils::encryption {
auto create_hash_blake2b_256(std::string_view data) -> hash_256_t {
return create_hash_blake2b_t<char, hash_256_t>(data);
return create_hash_blake2b_t<hash_256_t>(
reinterpret_cast<const unsigned char *>(data.data()), data.size());
}
auto create_hash_blake2b_256(std::wstring_view data) -> hash_256_t {
return create_hash_blake2b_t<wchar_t, hash_256_t>(data);
return create_hash_blake2b_t<hash_256_t>(
reinterpret_cast<const unsigned char *>(data.data()),
data.size() * sizeof(wchar_t));
}
auto create_hash_blake2b_256(const data_buffer &data) -> hash_256_t {
return create_hash_blake2b_t<hash_256_t>(
reinterpret_cast<const unsigned char *>(data.data()),
data.size() * sizeof(data_buffer::value_type));
}
auto create_hash_blake2b_384(std::string_view data) -> hash_384_t {
return create_hash_blake2b_t<char, hash_384_t>(data);
return create_hash_blake2b_t<hash_384_t>(
reinterpret_cast<const unsigned char *>(data.data()), data.size());
}
auto create_hash_blake2b_384(std::wstring_view data) -> hash_384_t {
return create_hash_blake2b_t<wchar_t, hash_384_t>(data);
return create_hash_blake2b_t<hash_384_t>(
reinterpret_cast<const unsigned char *>(data.data()),
data.size() * sizeof(wchar_t));
}
auto create_hash_blake2b_384(const data_buffer &data) -> hash_384_t {
return create_hash_blake2b_t<hash_384_t>(
reinterpret_cast<const unsigned char *>(data.data()),
data.size() * sizeof(data_buffer::value_type));
}
auto create_hash_blake2b_512(std::string_view data) -> hash_512_t {
return create_hash_blake2b_t<char, hash_512_t>(data);
return create_hash_blake2b_t<hash_512_t>(
reinterpret_cast<const unsigned char *>(data.data()), data.size());
}
auto create_hash_blake2b_512(std::wstring_view data) -> hash_512_t {
return create_hash_blake2b_t<wchar_t, hash_512_t>(data);
return create_hash_blake2b_t<hash_512_t>(
reinterpret_cast<const unsigned char *>(data.data()),
data.size() * sizeof(wchar_t));
}
auto create_hash_blake2b_512(const data_buffer &data) -> hash_512_t {
return create_hash_blake2b_t<hash_512_t>(
reinterpret_cast<const unsigned char *>(data.data()),
data.size() * sizeof(data_buffer::value_type));
}
auto create_hash_sha256(std::string_view data) -> hash_256_t {
return create_hash_sha256_t<char>(data);
return create_hash_sha256(
reinterpret_cast<const unsigned char *>(data.data()), data.size());
}
auto create_hash_sha256(std::wstring_view data) -> hash_256_t {
return create_hash_sha256_t<wchar_t>(data);
return create_hash_sha256(
reinterpret_cast<const unsigned char *>(data.data()),
data.size() * sizeof(wchar_t));
}
auto create_hash_sha256(const data_buffer &data) -> hash_256_t {
return create_hash_sha256(
reinterpret_cast<const unsigned char *>(data.data()),
data.size() * sizeof(data_buffer::value_type));
}
auto create_hash_sha512(std::string_view data) -> hash_512_t {
return create_hash_sha512_t<char>(data);
return create_hash_sha512(
reinterpret_cast<const unsigned char *>(data.data()), data.size());
}
auto create_hash_sha512(std::wstring_view data) -> hash_512_t {
return create_hash_sha512_t<wchar_t>(data);
return create_hash_sha512(
reinterpret_cast<const unsigned char *>(data.data()),
data.size() * sizeof(wchar_t));
}
auto create_hash_sha512(const data_buffer &data) -> hash_512_t {
return create_hash_sha512(
reinterpret_cast<const unsigned char *>(data.data()),
data.size() * sizeof(data_buffer::value_type));
}
auto create_hash_sha512(const unsigned char *data,
std::size_t data_size) -> hash_512_t {
hash_512_t hash{};
crypto_hash_sha512_state state{};
auto res = crypto_hash_sha512_init(&state);
if (res != 0) {
throw std::runtime_error("failed to initialize sha-512|" +
std::to_string(res));
}
res = crypto_hash_sha512_update(&state, data, data_size);
if (res != 0) {
throw std::runtime_error("failed to update sha-512|" + std::to_string(res));
}
res = crypto_hash_sha512_final(&state, hash.data());
if (res != 0) {
throw std::runtime_error("failed to finalize sha-512|" +
std::to_string(res));
}
return hash;
}
auto create_hash_sha256(const unsigned char *data,
std::size_t data_size) -> hash_256_t {
hash_256_t hash{};
crypto_hash_sha256_state state{};
auto res = crypto_hash_sha256_init(&state);
if (res != 0) {
throw std::runtime_error("failed to initialize sha-256|" +
std::to_string(res));
}
res = crypto_hash_sha256_update(&state, data, data_size);
if (res != 0) {
throw std::runtime_error("failed to update sha-256|" + std::to_string(res));
}
res = crypto_hash_sha256_final(&state, hash.data());
if (res != 0) {
throw std::runtime_error("failed to finalize sha-256|" +
std::to_string(res));
}
return hash;
}
} // namespace repertory::utils::encryption