1 /***************************************************************************
2 * Copyright (C) 2005-2018 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
21 #include "serializers.h"
23 bool checkStreamValid(QDataStream &stream)
25 if (stream.status() != QDataStream::Ok) {
26 qWarning() << "Peer sent corrupt data";
33 bool Serializers::deserialize(QDataStream &stream, QVariantList &data)
36 if (!deserialize(stream, size))
38 if (size > 4 * 1024 * 1024) {
39 qWarning() << "Peer sent too large QVariantList: " << size;
42 for (uint32_t i = 0; i < size; i++) {
44 if (!deserialize(stream, element))
48 return checkStreamValid(stream);
51 bool Serializers::deserialize(QDataStream &stream, QVariantMap &data)
54 if (!deserialize(stream, size))
56 if (size > 4 * 1024 * 1024) {
57 qWarning() << "Peer sent too large QVariantMap: " << size;
60 for (uint32_t i = 0; i < size; i++) {
63 if (!deserialize(stream, key))
65 if (!deserialize(stream, value))
69 return checkStreamValid(stream);
72 bool Serializers::deserialize(QDataStream &stream, QVariant &data)
74 Types::VariantType type;
76 if (!deserialize(stream, type))
78 if (!deserialize(stream, isNull))
80 if (type == Types::VariantType::UserType) {
82 if (!deserialize(stream, name))
84 while (name.length() > 0 && name.at(name.length() - 1) == 0)
86 if (!deserialize(stream, data, Types::fromName(name)))
89 if (!deserialize(stream, data, type))
92 return checkStreamValid(stream);
95 bool Serializers::deserialize(QDataStream &stream, QVariant &data, Types::VariantType type)
98 case Types::VariantType::Void: {
101 case Types::VariantType::Bool: {
103 if (!deserialize(stream, content))
105 data = QVariant(content);
108 case Types::VariantType::Int: {
110 if (!deserialize(stream, content))
112 data = QVariant(content);
115 case Types::VariantType::UInt: {
117 if (!deserialize(stream, content))
119 data = QVariant(content);
122 case Types::VariantType::QChar: {
124 if (!deserialize(stream, content))
126 data = QVariant(content);
129 case Types::VariantType::QVariantMap: {
131 if (!deserialize(stream, content))
133 data = QVariant(content);
136 case Types::VariantType::QVariantList: {
137 QVariantList content;
138 if (!deserialize(stream, content))
140 data = QVariant(content);
143 case Types::VariantType::QString: {
145 if (!deserialize(stream, content))
147 data = QVariant(content);
150 case Types::VariantType::QStringList: {
152 if (!deserialize(stream, content))
154 data = QVariant(content);
157 case Types::VariantType::QByteArray: {
159 if (!deserialize(stream, content))
161 data = QVariant(content);
164 case Types::VariantType::QDate: {
166 if (!deserialize(stream, content))
168 data = QVariant(content);
171 case Types::VariantType::QTime: {
173 if (!deserialize(stream, content))
175 data = QVariant(content);
178 case Types::VariantType::QDateTime: {
180 if (!deserialize(stream, content))
182 data = QVariant(content);
185 case Types::VariantType::Long: {
187 if (!deserialize(stream, content))
189 data = QVariant(content);
192 case Types::VariantType::Short: {
194 if (!deserialize(stream, content))
196 data = QVariant(content);
199 case Types::VariantType::Char: {
201 if (!deserialize(stream, content))
203 data = QVariant(content);
206 case Types::VariantType::ULong: {
208 if (!deserialize(stream, content))
210 data = QVariant(content);
213 case Types::VariantType::UShort: {
215 if (!deserialize(stream, content))
217 data = QVariant(content);
220 case Types::VariantType::UChar: {
222 if (!deserialize(stream, content))
224 data = QVariant(content);
227 case Types::VariantType::QVariant: {
229 if (!deserialize(stream, content))
231 data = QVariant(content);
235 qWarning() << "Usertype should have been caught earlier already";
241 bool Serializers::deserialize(QDataStream &stream, QVariant &data, Types::QuasselType type)
244 case Types::QuasselType::BufferId: {
246 if (!deserialize(stream, content))
248 data = qVariantFromValue(content);
251 case Types::QuasselType::BufferInfo: {
253 if (!deserialize(stream, content))
255 data = qVariantFromValue(content);
258 case Types::QuasselType::Identity: {
260 if (!deserialize(stream, content))
262 data = qVariantFromValue(content);
265 case Types::QuasselType::IdentityId: {
267 if (!deserialize(stream, content))
269 data = qVariantFromValue(content);
272 case Types::QuasselType::Message: {
274 if (!deserialize(stream, content))
276 data = qVariantFromValue(content);
279 case Types::QuasselType::MsgId: {
281 if (!deserialize(stream, content))
283 data = qVariantFromValue(content);
286 case Types::QuasselType::NetworkId: {
288 if (!deserialize(stream, content))
290 data = qVariantFromValue(content);
293 case Types::QuasselType::NetworkInfo: {
295 if (!deserialize(stream, content))
297 data = qVariantFromValue(content);
300 case Types::QuasselType::Network_Server: {
301 Network::Server content;
302 if (!deserialize(stream, content))
304 data = qVariantFromValue(content);
307 case Types::QuasselType::PeerPtr: {
309 if (!deserialize(stream, content))
311 data = qVariantFromValue(content);
315 qWarning() << "Invalid QType";
321 bool Serializers::deserialize(QDataStream &stream, Types::VariantType &data)
324 if (!deserialize(stream, raw))
326 data = static_cast<Types::VariantType>(raw);
327 return checkStreamValid(stream);
330 bool Serializers::deserialize(QDataStream &stream, QStringList &data)
333 if (!deserialize(stream, size))
335 for (uint32_t i = 0; i < size; i++) {
337 if (!deserialize(stream, element))
341 return checkStreamValid(stream);
344 bool Serializers::deserialize(QDataStream &stream, Network::Server &server)
346 QVariantMap serverMap;
347 if (!deserialize(stream, serverMap))
349 server.host = serverMap["Host"].toString();
350 server.port = serverMap["Port"].toUInt();
351 server.password = serverMap["Password"].toString();
352 server.useSsl = serverMap["UseSSL"].toBool();
353 server.sslVersion = serverMap["sslVersion"].toInt();
354 server.useProxy = serverMap["UseProxy"].toBool();
355 server.proxyType = serverMap["ProxyType"].toInt();
356 server.proxyHost = serverMap["ProxyHost"].toString();
357 server.proxyPort = serverMap["ProxyPort"].toUInt();
358 server.proxyUser = serverMap["ProxyUser"].toString();
359 server.proxyPass = serverMap["ProxyPass"].toString();
360 return checkStreamValid(stream);
363 bool Serializers::deserialize(QDataStream &stream, Identity &data)
366 if (!deserialize(stream, raw))
368 data.fromVariantMap(raw);
369 return checkStreamValid(stream);
372 bool Serializers::deserialize(QDataStream &stream, NetworkInfo &info)
375 if (!deserialize(stream, i))
377 info.networkId = i["NetworkId"].value<NetworkId>();
378 info.networkName = i["NetworkName"].toString();
379 info.identity = i["Identity"].value<IdentityId>();
380 info.codecForServer = i["CodecForServer"].toByteArray();
381 info.codecForEncoding = i["CodecForEncoding"].toByteArray();
382 info.codecForDecoding = i["CodecForDecoding"].toByteArray();
383 info.serverList = fromVariantList<Network::Server>(i["ServerList"].toList());
384 info.useRandomServer = i["UseRandomServer"].toBool();
385 info.perform = i["Perform"].toStringList();
386 info.useAutoIdentify = i["UseAutoIdentify"].toBool();
387 info.autoIdentifyService = i["AutoIdentifyService"].toString();
388 info.autoIdentifyPassword = i["AutoIdentifyPassword"].toString();
389 info.useSasl = i["UseSasl"].toBool();
390 info.saslAccount = i["SaslAccount"].toString();
391 info.saslPassword = i["SaslPassword"].toString();
392 info.useAutoReconnect = i["UseAutoReconnect"].toBool();
393 info.autoReconnectInterval = i["AutoReconnectInterval"].toUInt();
394 info.autoReconnectRetries = i["AutoReconnectRetries"].toInt();
395 info.unlimitedReconnectRetries = i["UnlimitedReconnectRetries"].toBool();
396 info.rejoinChannels = i["RejoinChannels"].toBool();
397 return checkStreamValid(stream);
400 bool Serializers::deserialize(QDataStream &stream, PeerPtr &data)
403 return checkStreamValid(stream);
406 bool Serializers::deserialize(QDataStream &stream, QByteArray &data)
410 if (!deserialize(stream, length))
412 // -1 - or 0xffffffff - is used for an empty byte array
413 if (length == 0xffffffff) {
417 // 64 MB should be enough
418 if (length > 64 * 1024 * 1024) {
419 qWarning() << "Peer sent too large QByteArray: " << length;
423 const uint32_t Step = 1024 * 1024;
424 uint32_t allocated = 0;
426 int blockSize = std::min(Step, length - allocated);
427 data.resize(allocated + blockSize);
428 if (stream.readRawData(data.data() + allocated, blockSize) != blockSize) {
430 qWarning() << "BufferUnderFlow while reading QByteArray";
433 allocated += blockSize;
434 } while (allocated < length);
435 return checkStreamValid(stream);
438 bool Serializers::deserialize(QDataStream &stream, QString &data)
441 // read size of string
442 if (!deserialize(stream, bytes))
451 if (bytes == 0xffffffff) {
456 // 64 MB should be enough
457 if (bytes > 64 * 1024 * 1024) {
458 qWarning() << "Peer sent too large QString: " << bytes;
464 qWarning() << "Read corrupted data: UTF-6 String with odd length: " << bytes;
467 const uint32_t step = 1024 * 1024;
468 uint32_t length = bytes / 2;
469 uint32_t allocated = 0;
470 while (allocated < length) {
471 int blockSize = std::min(step, length - allocated);
472 data.resize(allocated + blockSize);
473 if (stream.readRawData(reinterpret_cast<char *>(data.data()) + allocated * 2, blockSize * 2) != blockSize * 2) {
475 qWarning() << "BufferUnderFlow while reading QString";
478 allocated += blockSize;
480 if ((stream.byteOrder() == QDataStream::BigEndian) != (QSysInfo::ByteOrder == QSysInfo::BigEndian)) {
481 uint16_t *rawData = reinterpret_cast<uint16_t *>(data.data());
483 *rawData = qbswap(*rawData);
487 return checkStreamValid(stream);
490 bool Serializers::deserialize(QDataStream &stream, QChar &data)
493 return checkStreamValid(stream);
496 bool Serializers::deserialize(QDataStream &stream, QDate &data)
499 return checkStreamValid(stream);
502 bool Serializers::deserialize(QDataStream &stream, QTime &data)
505 return checkStreamValid(stream);
508 bool Serializers::deserialize(QDataStream &stream, QDateTime &data)
511 return checkStreamValid(stream);
514 bool Serializers::deserialize(QDataStream &stream, int32_t &data)
517 return checkStreamValid(stream);
520 bool Serializers::deserialize(QDataStream &stream, uint32_t &data)
523 return checkStreamValid(stream);
526 bool Serializers::deserialize(QDataStream &stream, int16_t &data)
529 return checkStreamValid(stream);
532 bool Serializers::deserialize(QDataStream &stream, uint16_t &data)
535 return checkStreamValid(stream);
538 bool Serializers::deserialize(QDataStream &stream, int8_t &data)
541 return checkStreamValid(stream);
544 bool Serializers::deserialize(QDataStream &stream, uint8_t &data)
547 return checkStreamValid(stream);
550 bool Serializers::deserialize(QDataStream &stream, qlonglong &data)
553 return checkStreamValid(stream);
556 bool Serializers::deserialize(QDataStream &stream, qulonglong &data)
559 return checkStreamValid(stream);
562 bool Serializers::deserialize(QDataStream &stream, bool &data)
565 return checkStreamValid(stream);
568 bool Serializers::deserialize(QDataStream &stream, BufferInfo &data)
571 return checkStreamValid(stream);
574 bool Serializers::deserialize(QDataStream &stream, Message &data)
577 return checkStreamValid(stream);
580 bool Serializers::deserialize(QDataStream &stream, NetworkId &data)
583 return checkStreamValid(stream);
586 bool Serializers::deserialize(QDataStream &stream, IdentityId &data)
589 return checkStreamValid(stream);
592 bool Serializers::deserialize(QDataStream &stream, BufferId &data)
595 return checkStreamValid(stream);
598 bool Serializers::deserialize(QDataStream &stream, MsgId &data)
601 return checkStreamValid(stream);
604 Serializers::Types::VariantType Serializers::Types::variantType(Serializers::Types::QuasselType type)
607 case QuasselType::BufferId:
608 return VariantType::UserType;
609 case QuasselType::BufferInfo:
610 return VariantType::UserType;
611 case QuasselType::Identity:
612 return VariantType::UserType;
613 case QuasselType::IdentityId:
614 return VariantType::UserType;
615 case QuasselType::Message:
616 return VariantType::UserType;
617 case QuasselType::MsgId:
618 return VariantType::UserType;
619 case QuasselType::NetworkId:
620 return VariantType::UserType;
621 case QuasselType::NetworkInfo:
622 return VariantType::UserType;
623 case QuasselType::Network_Server:
624 return VariantType::UserType;
625 case QuasselType::PeerPtr:
626 return VariantType::Long;
628 return VariantType::UserType;
632 QString Serializers::Types::toName(Serializers::Types::QuasselType type)
635 case QuasselType::BufferId:
636 return QString("BufferId");
637 case QuasselType::BufferInfo:
638 return QString("BufferInfo");
639 case QuasselType::Identity:
640 return QString("Identity");
641 case QuasselType::IdentityId:
642 return QString("IdentityId");
643 case QuasselType::Message:
644 return QString("Message");
645 case QuasselType::MsgId:
646 return QString("MsgId");
647 case QuasselType::NetworkId:
648 return QString("NetworkId");
649 case QuasselType::NetworkInfo:
650 return QString("NetworkInfo");
651 case QuasselType::Network_Server:
652 return QString("Network::Server");
653 case QuasselType::PeerPtr:
654 return QString("PeerPtr");
656 return QString("Invalid Type");
660 Serializers::Types::QuasselType Serializers::Types::fromName(::QByteArray &name)
662 if (qstrcmp(name, "BufferId") == 0) return QuasselType::BufferId;
663 else if (qstrcmp(name, "BufferInfo") == 0) return QuasselType::BufferInfo;
664 else if (qstrcmp(name, "Identity") == 0) return QuasselType::Identity;
665 else if (qstrcmp(name, "IdentityId") == 0) return QuasselType::IdentityId;
666 else if (qstrcmp(name, "Message") == 0) return QuasselType::Message;
667 else if (qstrcmp(name, "MsgId") == 0) return QuasselType::MsgId;
668 else if (qstrcmp(name, "NetworkId") == 0) return QuasselType::NetworkId;
669 else if (qstrcmp(name, "NetworkInfo") == 0) return QuasselType::NetworkInfo;
670 else if (qstrcmp(name, "Network::Server") == 0) return QuasselType::Network_Server;
671 else if (qstrcmp(name, "PeerPtr") == 0) return QuasselType::PeerPtr;
673 qWarning() << "Type name is not valid: " << name;
674 return QuasselType::Invalid;