117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
// Squawk messenger.
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// Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "clientinfo.h"
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const std::map<QString, QCryptographicHash::Algorithm> Shared::ClientInfo::hashes = {
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//md2 is missing
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{"md5", QCryptographicHash::Md5},
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{"sha-1", QCryptographicHash::Sha1},
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{"sha-224", QCryptographicHash::Sha224},
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{"sha-256", QCryptographicHash::Sha256},
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{"sha-384", QCryptographicHash::Sha384},
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{"sha-512", QCryptographicHash::Sha512},
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//shake128 is missing
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//shake256 is missing
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};
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Shared::ClientInfo::ClientInfo():
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identities(),
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extensions(),
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id(),
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specificPresence() {}
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Shared::ClientInfo::ClientInfo(const QString& p_node, const QString& p_ver, const QString& p_hash) :
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identities(),
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extensions(),
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id(p_node, p_ver, p_hash),
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specificPresence() {}
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Shared::ClientInfo::ClientInfo(const Shared::ClientId& p_id) :
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identities(),
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extensions(),
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id(p_id),
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specificPresence() {}
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QString Shared::ClientInfo::getId() const {
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return id.getId();
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}
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QDataStream & Shared::ClientInfo::operator >> (QDataStream& stream) const {
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stream << id;
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stream << (quint8)identities.size();
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for (const Shared::Identity& identity : identities) {
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stream << identity;
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}
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stream << (quint8)extensions.size();
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for (const QString& ext : extensions) {
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stream << ext;
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}
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return stream;
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}
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QDataStream & Shared::ClientInfo::operator << (QDataStream& stream) {
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stream >> id;
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quint8 size;
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stream >> size;
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for (quint8 i = 0; i < size; ++i) {
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Shared::Identity identity;
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stream >> identity;
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identities.insert(identity);
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}
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stream >> size;
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for (quint8 i = 0; i < size; ++i) {
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QString ext;
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stream >> ext;
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extensions.insert(ext);
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}
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return stream;
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}
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bool Shared::ClientInfo::valid() const {
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std::map<QString, QCryptographicHash::Algorithm>::const_iterator itr = hashes.find(id.hash);
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if (itr == hashes.end()) {
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return false;
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}
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QCryptographicHash calc(itr->second);
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QString validationString = "";
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for (const Identity& identity : identities) {
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calc.addData((identity.category + "/" + identity.type + "/" + identity.language + "/" + identity.name + "<").toUtf8());
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}
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for (const QString& ext : extensions) {
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calc.addData((ext + "<").toUtf8());
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}
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QString result = calc.result().toBase64();
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return result == id.verification;
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}
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QDataStream& operator << (QDataStream& stream, const Shared::ClientInfo& info) {
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info >> stream;
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return stream;
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}
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QDataStream& operator >> (QDataStream& stream, Shared::ClientInfo& info) {
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info << stream;
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return stream;
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}
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