feat: chat web api mvp

dChatServer/CMakeLists.txt

@@ -1,4 +1,5 @@
 set(DCHATSERVER_SOURCES
+	"ChatWebApi.cpp"
 	"ChatIgnoreList.cpp"
 	"ChatPacketHandler.cpp"
 	"PlayerContainer.cpp"

dChatServer/ChatServer.cpp

@@ -20,6 +20,7 @@
 #include "eWorldMessageType.h"
 #include "ChatIgnoreList.h"
 #include "StringifiedEnum.h"
+#include "ChatWebApi.h"
 
 #include "Game.h"
 #include "Server.h"
@@ -36,7 +37,7 @@ namespace Game {
 	AssetManager* assetManager = nullptr;
 	Game::signal_t lastSignal = 0;
 	std::mt19937 randomEngine;
-	PlayerContainer playerContainer;
+	PlayerContainer playerContainer;	
 }
 
 void HandlePacket(Packet* packet);
@@ -122,6 +123,9 @@ int main(int argc, char** argv) {
 	uint32_t framesSinceMasterDisconnect = 0;
 	uint32_t framesSinceLastSQLPing = 0;
 
+	// start the web api thread
+	std::thread webAPIThread(ChatWebApi::Listen, ourPort);
+
 	Game::logger->Flush(); // once immediately before main loop
 	while (!Game::ShouldShutdown()) {
 		//Check if we're still connected to master:
@@ -174,6 +178,10 @@ int main(int argc, char** argv) {
 	delete Game::server;
 	delete Game::logger;
 	delete Game::config;
+
+	// rejoin the web api thread
+	ChatWebApi::Stop();
+	webAPIThread.join();
 
 	return EXIT_SUCCESS;
 }

dChatServer/ChatWebApi.cpp

@@ -0,0 +1,93 @@
+#include "ChatWebApi.h"
+
+#include <cstdint>
+
+#include "dCommonVars.h"
+#include "eConnectionType.h"
+#include "eChatMessageType.h"
+#include "httplib.h"
+#include "dServer.h"
+#include "PlayerContainer.h"
+#include "dConfig.h"
+#include "httplib.h"
+#include "nlohmann/json.hpp"
+
+using json = nlohmann::json;
+
+namespace {
+	httplib::Server m_APIServer;
+}
+
+void ChatWebApi::Listen(const uint32_t port) {
+	if (Game::config->GetValue("enable_chat_web_api") != "1") {
+		LOG("Chat Web API is disabled");
+		return;
+	}
+	LOG("Chat Web API is enabled, starting web server...");
+
+	m_APIServer.Post("/announce", [](const httplib::Request& req, httplib::Response& res) {
+		const json data = json::parse(req.body);
+		if (!data.contains("title")) {
+			res.set_content("{\"error\":\"Missing paramater: title\"}", "application/json");
+			res.status = 400;
+			return;
+		}
+		std::string title = data["title"];
+		if (!data.contains("message")) {
+			res.set_content("{\"error\":\"Missing paramater: message\"}", "application/json");
+			res.status = 400;
+			return;
+		}
+		std::string message = data["message"];
+		// build and send the packet to all world servers
+		CBITSTREAM;
+		BitStreamUtils::WriteHeader(bitStream, eConnectionType::CHAT, eChatMessageType::GM_ANNOUNCE);
+		bitStream.Write<uint32_t>(title.size());
+		bitStream.Write(title);
+		bitStream.Write<uint32_t>(message.size());
+		bitStream.Write(message);
+		Game::server->Send(bitStream, UNASSIGNED_SYSTEM_ADDRESS, true);
+	});
+
+	m_APIServer.Get("/players", [](const httplib::Request& req, httplib::Response& res) {
+		auto data = json::array();
+		for (auto& [playerID, playerData ]: Game::playerContainer.GetAllPlayers()){
+			if (!playerData) continue;
+			data.push_back(playerData.to_json());
+		}
+		res.set_content(data.dump(), "application/json");
+		if (data.empty()) res.status = 204;
+	});
+
+	m_APIServer.Get("/teams", [](const httplib::Request& req, httplib::Response& res) {
+		auto data = json::array();
+		for (auto& teamData: Game::playerContainer.GetAllTeams()){
+			if (!teamData) continue;
+			json toInsert;
+			toInsert["id"] = teamData->teamID;
+			toInsert["loot_flag"] = teamData->lootFlag;
+			toInsert["local"] = teamData->local;
+
+			auto& leader = Game::playerContainer.GetPlayerData(teamData->leaderID);
+			toInsert["leader"] = leader.to_json();
+
+			json members;
+			for (auto& member : teamData->memberIDs){
+				auto playerData = Game::playerContainer.GetPlayerData(member);
+				if (!playerData) continue;
+				members.push_back(playerData.to_json());
+			}
+			toInsert["members"] = members;
+			data.push_back(toInsert);
+		}
+		res.set_content(data.dump(), "application/json");
+		if (data.empty()) res.status = 204;
+	});
+
+	m_APIServer.listen(Game::config->GetValue("chat_web_api_listen_address").c_str(), port);
+};
+
+void ChatWebApi::Stop(){
+	LOG("Stopping Chat Web API server...");
+	m_APIServer.stop();
+}

dChatServer/ChatWebApi.h

@@ -0,0 +1,6 @@
+#include <cstdint>
+
+namespace ChatWebApi {
+	void Listen(const uint32_t port);
+	void Stop();
+};

dChatServer/PlayerContainer.cpp

@@ -1,7 +1,9 @@
 #include "PlayerContainer.h"
-#include "dNetCommon.h"
+
 #include <iostream>
 #include <algorithm>
+
+#include "dNetCommon.h"
 #include "Game.h"
 #include "Logger.h"
 #include "ChatPacketHandler.h"
@@ -11,7 +13,24 @@
 #include "eConnectionType.h"
 #include "ChatPackets.h"
 #include "dConfig.h"
-#include "eChatMessageType.h"
+#include "eChatMessageType.h"	
+
+using json = nlohmann::json;
+
+const json PlayerData::to_json() const {
+	json data;
+	data["id"] = this->playerID;
+	data["name"] = this->playerName;
+	data["gm_level"] = this->gmLevel;
+	data["muted"] = this->GetIsMuted();
+
+	json zoneID;
+	zoneID["map_id"] = std::to_string(this->zoneID.GetMapID());
+	zoneID["instance_id"] = std::to_string(this->zoneID.GetInstanceID());
+	zoneID["clone_id"] = std::to_string(this->zoneID.GetCloneID());
+	data["zone_id"] = zoneID;
+	return data;
+}
 
 void PlayerContainer::Initialize() {
 	m_MaxNumberOfBestFriends =

dChatServer/PlayerContainer.h

@@ -6,6 +6,7 @@
 #include "Game.h"
 #include "dServer.h"
 #include <unordered_map>
+#include "nlohmann/json.hpp"
 
 enum class eGameMasterLevel : uint8_t;
 
@@ -36,6 +37,8 @@ struct PlayerData {
 		return muteExpire == 1 || muteExpire > time(NULL);
 	}
 
+	const nlohmann::json to_json() const;
+
 	SystemAddress sysAddr{};
 	LWOZONEID zoneID{};
 	LWOOBJID playerID = LWOOBJID_EMPTY;
@@ -88,6 +91,7 @@ class PlayerContainer {
 	LWOOBJID GetId(const std::u16string& playerName);
 	uint32_t GetMaxNumberOfBestFriends() { return m_MaxNumberOfBestFriends; }
 	uint32_t GetMaxNumberOfFriends() { return m_MaxNumberOfFriends; }
+	const std::vector<TeamData*>& GetAllTeams() { return mTeams;};
 
 private:
 	LWOOBJID m_TeamIDCounter = 0;

docs/ChatWebAPI.yaml

@@ -0,0 +1,151 @@
+openapi: 3.0.3
+info:
+  title: DLU Chat Server API
+  description: |-
+    This documents the available api endpoints for the DLU Chat Server Web API
+
+  contact:
+    name: DarkflameUniverse Github
+    url: https://github.com/DarkflameUniverse/DarkflameServer/issues
+  license:
+    name: GNU AGPL v3.0
+    url: https://github.com/DarkflameUniverse/DarkflameServer/blob/main/LICENSE
+  version: 1.0.0
+
+externalDocs:
+  description: Find out more about Swagger
+  url: http://swagger.io
+
+servers:
+  - url: http://localhost:2005/
+    description: localhost
+
+tags:
+  - name: management
+    description: Server Management Utilities
+  - name: user
+    description: User Data Utilities
+
+paths:
+  /announce:
+    post:
+      tags:
+        - management
+      summary: Send an announcement to the game server
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/Announce"
+        required: true
+      responses:
+        "200":
+          description: Successful operation
+        "400":
+          description: Missing Parameter
+
+  /players:
+    get:
+      tags:
+        - user
+      summary: Get all online Players
+      responses:
+        "200":
+          description: Successful operation
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: "#/components/schemas/Player"
+        "204":
+          description: No Data
+
+  /teams:
+    get:
+      tags:
+        - user
+      summary: Get all active Teams
+      responses:
+        "200":
+          description: Successful operation
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: "#/components/schemas/Team"
+        "204":
+          description: No Data
+
+components:
+  schemas:
+    Player:
+      type: object
+      properties:
+        id:
+          type: integer
+          format: int64
+          example: 1152921508901824000
+        gm_level:
+          type: integer
+          format: uint8
+          example: 0
+        name:
+          type: string
+          example: thisisatestname
+        muted:
+          type: boolean
+          example: false
+        zone_id:
+          $ref: "#/components/schemas/ZoneID"
+
+    ZoneID:
+      type: object
+      properties:
+        map_id:
+          type: integer
+          format: uint16
+          example: 1200
+        instance_id:
+          type: integer
+          format: uint16
+          example: 2
+        clone_id:
+          type: integer
+          format: uint32
+          example: 0
+
+    Team:
+      type: object
+      properties:
+        id:
+          type: integer
+          format: int64
+          example: 1152921508901824000
+        loot_flag:
+          type: integer
+          format: uint8
+          example: 1
+        local:
+          type: boolean
+          example: false
+        leader:
+          $ref: "#/components/schemas/Player"
+        members:
+          type: array
+          items:
+            $ref: "#/components/schemas/Player"
+
+    Announce:
+      required:
+        - title
+        - message
+      type: object
+      properties:
+        title:
+          type: string
+          example: A Mythran has taken Action against you!
+        message:
+          type: string
+          example: Check your mailbox for details!

resources/chatconfig.ini

@@ -6,3 +6,11 @@ max_number_of_best_friends=5
 # Change the value below to what you would like this to be (50 is live accurate)
 # going over 50 will be allowed in some secnarios, but proper handling will require client modding
 max_number_of_friends=50
+
+# Enable or disable the chat web API, disabled by default
+# It will run on the same port the chat server is running on, defined in shardconfig.ini
+enable_chat_web_api=0
+
+# If that chat web api is enabled, it will only listen for connections on this ip address
+# 127.0.0.1 is localhost
+chat_web_api_listen_address=127.0.0.1