114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/net/PublicRsaKeyShared.h"
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#include "td/utils/algorithm.h"
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#include "td/utils/format.h"
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#include "td/utils/logging.h"
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#include "td/utils/Slice.h"
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#include "td/utils/SliceBuilder.h"
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#include "td/utils/Status.h"
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#include <algorithm>
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namespace td {
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PublicRsaKeyShared::PublicRsaKeyShared(DcId dc_id, bool is_test) : dc_id_(dc_id) {
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if (!dc_id_.is_empty()) {
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return;
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}
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auto add_pem = [this](CSlice pem) {
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auto r_rsa = mtproto::RSA::from_pem_public_key(pem);
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LOG_CHECK(r_rsa.is_ok()) << r_rsa.error() << " " << pem;
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if (r_rsa.is_ok()) {
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add_rsa(r_rsa.move_as_ok());
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}
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};
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if (is_test) {
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add_pem(
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"-----BEGIN RSA PUBLIC KEY-----\n"
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"MIIBCgKCAQEAyMEdY1aR+sCR3ZSJrtztKTKqigvO/vBfqACJLZtS7QMgCGXJ6XIR\n"
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"yy7mx66W0/sOFa7/1mAZtEoIokDP3ShoqF4fVNb6XeqgQfaUHd8wJpDWHcR2OFwv\n"
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"plUUI1PLTktZ9uW2WE23b+ixNwJjJGwBDJPQEQFBE+vfmH0JP503wr5INS1poWg/\n"
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"j25sIWeYPHYeOrFp/eXaqhISP6G+q2IeTaWTXpwZj4LzXq5YOpk4bYEQ6mvRq7D1\n"
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"aHWfYmlEGepfaYR8Q0YqvvhYtMte3ITnuSJs171+GDqpdKcSwHnd6FudwGO4pcCO\n"
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"j4WcDuXc2CTHgH8gFTNhp/Y8/SpDOhvn9QIDAQAB\n"
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"-----END RSA PUBLIC KEY-----");
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return;
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}
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add_pem(
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"-----BEGIN RSA PUBLIC KEY-----\n"
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"MIIBCgKCAQEA6LszBcC1LGzyr992NzE0ieY+BSaOW622Aa9Bd4ZHLl+TuFQ4lo4g\n"
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"5nKaMBwK/BIb9xUfg0Q29/2mgIR6Zr9krM7HjuIcCzFvDtr+L0GQjae9H0pRB2OO\n"
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"62cECs5HKhT5DZ98K33vmWiLowc621dQuwKWSQKjWf50XYFw42h21P2KXUGyp2y/\n"
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"+aEyZ+uVgLLQbRA1dEjSDZ2iGRy12Mk5gpYc397aYp438fsJoHIgJ2lgMv5h7WY9\n"
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"t6N/byY9Nw9p21Og3AoXSL2q/2IJ1WRUhebgAdGVMlV1fkuOQoEzR7EdpqtQD9Cs\n"
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"5+bfo3Nhmcyvk5ftB0WkJ9z6bNZ7yxrP8wIDAQAB\n"
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"-----END RSA PUBLIC KEY-----");
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}
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void PublicRsaKeyShared::add_rsa(mtproto::RSA rsa) {
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auto lock = rw_mutex_.lock_write();
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auto fingerprint = rsa.get_fingerprint();
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if (get_rsa_key_unsafe(fingerprint) != nullptr) {
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return;
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}
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keys_.push_back(RsaKey{std::move(rsa), fingerprint});
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}
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Result<mtproto::PublicRsaKeyInterface::RsaKey> PublicRsaKeyShared::get_rsa_key(const vector<int64> &fingerprints) {
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auto lock = rw_mutex_.lock_read();
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for (auto fingerprint : fingerprints) {
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auto *rsa_key = get_rsa_key_unsafe(fingerprint);
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if (rsa_key != nullptr) {
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return RsaKey{rsa_key->rsa.clone(), fingerprint};
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}
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}
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return Status::Error(PSLICE() << "Unknown fingerprints " << format::as_array(fingerprints));
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}
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void PublicRsaKeyShared::drop_keys() {
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if (dc_id_.is_empty()) {
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// not CDN
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return;
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}
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auto lock = rw_mutex_.lock_write();
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LOG(INFO) << "Drop " << keys_.size() << " keys for " << dc_id_;
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keys_.clear();
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notify();
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}
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bool PublicRsaKeyShared::has_keys() {
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auto lock = rw_mutex_.lock_read();
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return !keys_.empty();
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}
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void PublicRsaKeyShared::add_listener(unique_ptr<Listener> listener) {
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if (listener->notify()) {
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auto lock = rw_mutex_.lock_write();
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listeners_.push_back(std::move(listener));
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}
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}
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mtproto::PublicRsaKeyInterface::RsaKey *PublicRsaKeyShared::get_rsa_key_unsafe(int64 fingerprint) {
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auto it = std::find_if(keys_.begin(), keys_.end(),
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[fingerprint](const auto &value) { return value.fingerprint == fingerprint; });
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if (it == keys_.end()) {
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return nullptr;
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}
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return &*it;
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}
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void PublicRsaKeyShared::notify() {
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td::remove_if(listeners_, [&](auto &listener) { return !listener->notify(); });
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}
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} // namespace td
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