diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/Cache.cpp | 5 | ||||
-rw-r--r-- | src/Process.cpp | 33 | ||||
-rw-r--r-- | src/Room.cpp | 68 |
3 files changed, 86 insertions, 20 deletions
diff --git a/src/Cache.cpp b/src/Cache.cpp index 82f31b9..bb87857 100644 --- a/src/Cache.cpp +++ b/src/Cache.cpp @@ -3,6 +3,7 @@ #include "../include/dchat/FileUtil.hpp" #include "../include/dchat/Gif.hpp" #include "../include/dchat/Storage.hpp" +#include "../include/dchat/Process.hpp" #include <boost/filesystem/convenience.hpp> #include <process.hpp> #include <odhtdb/Hash.hpp> @@ -351,8 +352,8 @@ namespace dchat string downloadLimitBytesStr = to_string(downloadLimitBytes); std::string cmdUtf8 = "curl -L --silent -o '"; - cmdUtf8 += filepath.string(); - cmdUtf8 += "' --max-filesize " + downloadLimitBytesStr + " --range 0-" + downloadLimitBytesStr + " --url '" + url + "'"; + cmdUtf8 += escapeCommand(filepath.string()); + cmdUtf8 += "' --max-filesize " + downloadLimitBytesStr + " --range 0-" + downloadLimitBytesStr + " --url '" + escapeCommand(url) + "'"; Process::string_type cmd = toNativeString(cmdUtf8); // TODO: Use this instead of curl on windows: certutil.exe -urlcache -split -f "https://url/to/file" path/and/name/to/save/as/file Process *process = new Process(cmd, toNativeString(""), nullptr, nullptr, false); diff --git a/src/Process.cpp b/src/Process.cpp new file mode 100644 index 0000000..d82da42 --- /dev/null +++ b/src/Process.cpp @@ -0,0 +1,33 @@ +#include "../include/dchat/Process.hpp" + +namespace dchat +{ + std::string escapeCommand(const std::string &cmd) + { + std::string result; + result.reserve(cmd.size()); + bool escape = false; + + for(char c : cmd) + { + if(c == '\\') + escape = !escape; + else + { + if(escape) + result += "\\"; + + if(c == '"') + result += "\\\""; // \" + else if(c == '\'') + result += "\\'"; // \' + else + result += c; + + escape = false; + } + } + + return result; + } +}
\ No newline at end of file diff --git a/src/Room.cpp b/src/Room.cpp index b558f87..bc87c05 100644 --- a/src/Room.cpp +++ b/src/Room.cpp @@ -105,7 +105,9 @@ namespace dchat inviteKey = id->toString() + odhtdb::bin2hex((const char*)encryptionKey->data, encryptionKey->size); inviteKey += getInviteKeyChecksum(inviteKey); odhtdb::InfoHash inviteInfoHash = odhtdb::InfoHash::generateHash((const u8*)inviteKey.data(), inviteKey.size()); - // TODO: Use database instead of custom message. Then both parties dont have to be online to add user to room + // TODO: Use database instead of custom message. Then both parties dont have to be online to add user to room. + // TODO: Only listen for invite request if we have the right to add users to the room. + // TODO: Make this optional (should be possible to turn off from gui/settings) rooms->database->receiveCustomMessage(inviteInfoHash, [this](const void *data, usize size) { sibs::SafeSerializer serializer; @@ -160,37 +162,62 @@ namespace dchat assert(localUser); assert(publicKeyToKeyPairMap.find(localUser->publicKey) != publicKeyToKeyPairMap.end()); assert(encryptionKey); + sibs::SafeSerializer serializer; serializer.add(RoomDataType::CHANGE_AVATAR); serializer.add((u16)url.size()); - serializer.add((const u8*)url.data(), url.size()); + serializer.add(url.data(), url.size()); auto keyPair = publicKeyToKeyPairMap[localUser->publicKey]; odhtdb::DatabaseNode roomNode(encryptionKey, id); rooms->database->addData(roomNode, *keyPair, { serializer.getBuffer().data(), serializer.getSize() }); } - void Room::setNickname(const std::string &nickname) + void Room::setUserNickname(const std::string &nickname) { assert(localUser); assert(publicKeyToKeyPairMap.find(localUser->publicKey) != publicKeyToKeyPairMap.end()); assert(encryptionKey); + sibs::SafeSerializer serializer; serializer.add(RoomDataType::NICKNAME_CHANGE); serializer.add((u8)nickname.size()); - serializer.add((const u8*)nickname.data(), nickname.size()); + serializer.add(nickname.data(), nickname.size()); auto keyPair = publicKeyToKeyPairMap[localUser->publicKey]; odhtdb::DatabaseNode roomNode(encryptionKey, id); rooms->database->addData(roomNode, *keyPair, { serializer.getBuffer().data(), serializer.getSize() }); } + bool Room::setName(const std::string &name) + { + assert(localUser); + assert(encryptionKey); + + int userPermissionLevel = rooms->database->getUserLowestPermissionLevel(*id, localUser->publicKey); + if(userPermissionLevel != odhtdb::PERMISSION_LEVEL_ADMIN) + { + odhtdb::Log::debug("Room change name: attempted by user %s who is not an admin (permission level: %d)\n", localUser->publicKey.toString().c_str(), userPermissionLevel); + return false; + } + + sibs::SafeSerializer serializer; + serializer.add(RoomDataType::CHANGE_ROOM_NAME); + serializer.add((u16)name.size()); + serializer.add(name.data(), name.size()); + auto keyPair = publicKeyToKeyPairMap[localUser->publicKey]; + odhtdb::DatabaseNode roomNode(encryptionKey, id); + rooms->database->addData(roomNode, *keyPair, { serializer.getBuffer().data(), serializer.getSize() }); + return true; + } + void Room::publishMessage(const std::string &msg) { assert(localUser); assert(publicKeyToKeyPairMap.find(localUser->publicKey) != publicKeyToKeyPairMap.end()); assert(encryptionKey); + sibs::SafeSerializer serializer; serializer.add(RoomDataType::ADD_MESSAGE); - serializer.add((const u8*)msg.data(), msg.size()); + serializer.add(msg.data(), msg.size()); auto keyPair = publicKeyToKeyPairMap[localUser->publicKey]; odhtdb::DatabaseNode roomNode(encryptionKey, id); rooms->database->addData(roomNode, *keyPair, { serializer.getBuffer().data(), serializer.getSize() }); @@ -248,6 +275,7 @@ namespace dchat callbackRequest.timestampSeconds = ntp::NtpTimestamp::fromCombined(request.timestamp).seconds; callbackRequest.loadedFromCache = request.loadedFromCache; callbackRequest.isLocalUser = isLocalUser; + callbackRequest.waitedToJoin = false; callbackFuncs.addUserCallbackFunc(callbackRequest); } } @@ -415,6 +443,7 @@ namespace dchat auto user = room->addUserLocally(*request.userToAddPublicKey, group); bool isLocalUser = false; + bool waitedToJoin = false; if(!room->localUser) { std::lock_guard<std::recursive_mutex> waitingToJoinRoomLock(waitingToJoinRoomMutex); @@ -424,6 +453,7 @@ namespace dchat room->setLocalUser(user, waitingToJoinRoomIt->second); waitingToJoinRoom.erase(waitingToJoinRoomIt); isLocalUser = true; + waitedToJoin = true; } else { @@ -445,6 +475,7 @@ namespace dchat callbackRequest.timestampSeconds = ntp::NtpTimestamp::fromCombined(request.timestamp).seconds; callbackRequest.loadedFromCache = request.loadedFromCache; callbackRequest.isLocalUser = isLocalUser; + callbackRequest.waitedToJoin = waitedToJoin; callbackFuncs.addUserCallbackFunc(callbackRequest); } } @@ -523,20 +554,23 @@ namespace dchat odhtdb::DatabaseNode nodeInfo(newNode->getNodeEncryptionKey(), newNode->getRequestHash()); database->storeNodeInfoForUserEncrypted(nodeInfo, currentUsername, currentUserPassword, *newNode->getNodeAdminKeyPair()); - sibs::SafeSerializer serializer; - serializer.add(RoomDataType::CHANGE_ROOM_NAME); - serializer.add((u16)name.size()); - serializer.add(name.data(), name.size()); - database->addData(nodeInfo, *newNode->getNodeAdminKeyPair(), { serializer.getBuffer().data(), serializer.getSize() }); + roomIt->second->setName(name); return roomIt->second; } - void Rooms::requestJoinRoom(const std::string &inviteKey, const std::string &message) + bool Rooms::requestJoinRoom(const std::string &inviteKey, const std::string &message) { if(!loggedIn) throw std::runtime_error("You need to be logged in to join a room"); - assert(inviteKey.size() == 130); + if(inviteKey.size() != 130) + { + std::string errMsg = "Invalid invite key length. Expected to be 130 bytes, was "; + errMsg += std::to_string(inviteKey.size()); + errMsg += " byte(s)"; + throw std::runtime_error(errMsg); + } + std::lock_guard<std::recursive_mutex> waitingToJoinRoomLock(waitingToJoinRoomMutex); std::string roomIdHex = inviteKey.substr(0, 64); std::string roomIdBin = odhtdb::hex2bin(roomIdHex.c_str(), roomIdHex.size()); @@ -545,12 +579,12 @@ namespace dchat if(waitingToJoinRoom.find(*roomId) != waitingToJoinRoom.end()) { fprintf(stderr, "You have already requested to join room %s\n", roomIdHex.c_str()); - return; + return false; } if(roomById.find(*roomId) != roomById.end()) { fprintf(stderr, "You are already a member of the room %s\n", roomIdHex.c_str()); - return; + return false; } std::string roomEncryptionKeyHex = inviteKey.substr(64, 64); std::string roomEncryptionKeyStr = odhtdb::hex2bin(roomEncryptionKeyHex.c_str(), roomEncryptionKeyHex.size()); @@ -558,10 +592,7 @@ namespace dchat memcpy(newEncryptionKey->data, roomEncryptionKeyStr.data(), roomEncryptionKeyStr.size()); std::string inviteKeyChecksum = inviteKey.substr(128, 2); if(inviteKeyChecksum != getInviteKeyChecksum(inviteKey.substr(0, 128))) - { - fprintf(stderr, "Invalid invite key, checksum is incorrect. Did you type the invite key incorrectly?\n"); - return; - } + throw std::runtime_error("Invalid invite key, checksum is incorrect. Did you type the invite key incorrectly?"); auto ourNewUser = std::make_shared<odhtdb::Signature::KeyPair>(); sibs::SafeSerializer serializer; @@ -582,5 +613,6 @@ namespace dchat odhtdb::DatabaseNode roomNode(newEncryptionKey, roomId); database->seed(roomNode); database->storeNodeInfoForUserEncrypted(roomNode, currentUsername, currentUserPassword, *ourNewUser); + return true; } } |