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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "KeyRing.h"
#include <boost/algorithm/string.hpp>
#include <seastar/core/do_with.hh>
#include <seastar/core/fstream.hh>
#include <seastar/core/future-util.hh>
#include <seastar/core/reactor.hh>
#include "common/buffer_seastar.h"
#include "auth/KeyRing.h"
#include "include/denc.h"
#include "crimson/common/config_proxy.h"
namespace ceph::auth {
seastar::future<seastar::temporary_buffer<char>> read_file(const std::string& path)
{
return seastar::open_file_dma(path, seastar::open_flags::ro).then([] (seastar::file f) {
return f.size().then([f = std::move(f)](size_t s) {
return seastar::do_with(seastar::make_file_input_stream(f), [s](seastar::input_stream<char>& in) {
return in.read_exactly(s);
});
});
});
}
seastar::future<KeyRing*> load_from_keyring(KeyRing* keyring)
{
std::vector<std::string> paths;
boost::split(paths, ceph::common::local_conf()->keyring,
boost::is_any_of(",;"));
std::pair<bool, std::string> found;
return seastar::map_reduce(paths, [](auto path) {
return seastar::engine().file_exists(path).then([path](bool file_exists) {
return std::make_pair(file_exists, path);
});
}, std::move(found), [](auto found, auto file_exists_and_path) {
if (!found.first && file_exists_and_path.first) {
found = std::move(file_exists_and_path);
}
return found;
}).then([keyring] (auto file_exists_and_path) {
const auto& [exists, path] = file_exists_and_path;
if (exists) {
return read_file(path).then([keyring](auto buf) {
bufferlist bl;
bl.append(buffer::create(std::move(buf)));
auto i = bl.cbegin();
keyring->decode(i);
return seastar::make_ready_future<KeyRing*>(keyring);
});
} else {
return seastar::make_ready_future<KeyRing*>(keyring);
}
});
}
seastar::future<KeyRing*> load_from_keyfile(KeyRing* keyring)
{
auto& path = ceph::common::local_conf()->keyfile;
if (!path.empty()) {
return read_file(path).then([keyring](auto buf) {
EntityAuth ea;
ea.key.decode_base64(std::string(buf.begin(),
buf.end()));
keyring->add(ceph::common::local_conf()->name, ea);
return seastar::make_ready_future<KeyRing*>(keyring);
});
} else {
return seastar::make_ready_future<KeyRing*>(keyring);
}
}
seastar::future<KeyRing*> load_from_key(KeyRing* keyring)
{
auto& key = ceph::common::local_conf()->key;
if (!key.empty()) {
EntityAuth ea;
ea.key.decode_base64(key);
keyring->add(ceph::common::local_conf()->name, ea);
}
return seastar::make_ready_future<KeyRing*>(keyring);
}
} // namespace ceph::auth
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