Changes

2019-08-16 16:13:14 +02:00
parent f7cb93d768
commit bae6a56ed3
4 changed files with 245 additions and 56 deletions
@@ -7550,6 +7550,74 @@ CommandResult ConnectedClient::handleCommandConversationFetch(ts::Command &cmd)
 }


+CommandResult ConnectedClient::handleCommandConversationMessageDelete(ts::Command &cmd) {
+	CMD_REF_SERVER(ref_server);
+	CMD_CHK_AND_INC_FLOOD_POINTS(25);
+
+	auto conversation_manager = ref_server->conversation_manager();
+	std::shared_ptr<conversation::Conversation> current_conversation;
+	ChannelId current_conversation_id = 0;
+
+	for(size_t index = 0; index < cmd.bulkCount(); index++) {
+		auto &bulk = cmd[index];
+
+		if(!bulk.has("cid") || !bulk["cid"].castable<ChannelId>())
+			continue;
+
+		/* test if we have access to the conversation */
+		if(current_conversation_id != bulk["cid"].as<ChannelId>()) {
+			current_conversation_id = bulk["cid"].as<ChannelId>();
+
+			/* test if we're able to see the channel */
+			{
+				shared_lock channel_view_lock(this->channel_lock);
+				auto channel = this->channel_view()->find_channel(current_conversation_id);
+				if(!channel)
+					return findError("conversation_invalid_id");
+			}
+
+			/* test if there is a channel password or join power which denies that we see the conversation */
+			{
+				shared_lock channel_view_lock(ref_server->channel_tree_lock);
+				auto channel = ref_server->getChannelTree()->findChannel(current_conversation_id);
+				if(!channel)
+					return findError("conversation_invalid_id");
+
+				if(!bulk.has("cpw"))
+					bulk["cpw"] = "";
+
+				if (!channel->passwordMatch(bulk["cpw"], true))
+					if (!this->permissionGranted(permission::PERMTEST_ORDERED, permission::b_channel_join_ignore_password, 1, channel, true))
+						return findError("channel_invalid_password");
+
+				if (!this->permissionGranted(permission::PERMTEST_ORDERED, permission::b_channel_conversation_message_delete, 1, channel))
+					return CommandResultPermissionError{permission::b_channel_conversation_message_delete};
+
+				if(!this->permissionGranted(permission::PERMTEST_ORDERED, permission::b_channel_ignore_join_power, 1, channel, true)) {
+					auto permission_granted = this->calculate_permission_value(permission::i_channel_join_power, channel->channelId());
+					if(!channel->permission_granted(permission::i_channel_needed_join_power, permission_granted, false))
+						return CommandResultPermissionError{permission::i_channel_needed_join_power};
+				}
+			}
+		}
+
+		current_conversation = conversation_manager->get(current_conversation_id);
+		if(!current_conversation) continue;
+
+		auto timestamp_begin = system_clock::time_point{} + milliseconds{bulk["timestamp_begin"]};
+		auto timestamp_end = system_clock::time_point{} + milliseconds{bulk.has("timestamp_begin") ? bulk["timestamp_begin"].as<uint64_t>() : 0};
+		auto limit = bulk.has("limit") ? bulk["limit"].as<uint64_t>() : 1;
+		if(limit > 100)
+			limit = 100;
+		auto delete_count = current_conversation->delete_messages(timestamp_begin, limit, timestamp_end, bulk["cldbid"]);
+		if(delete_count > 0) {
+			//TODO: Notify
+		}
+	}
+
+	return CommandResult::Success;
+}
+