Notes

/*
* SourceMod <-> Discord
* by: shavit
*
* This file is part of SourceMod <-> Discord.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*/

#include <sourcemod>
#include <dynamic>
#include <chat-processor>
#include <SteamWorks>

#pragma newdecls required
#pragma semicolon 1

#define SMDISCORD_VERSION "1.0"

ConVar hostname = null;
char gS_WebhookURL[1024];

public Plugin myinfo =
{
name = "SourceMod <-> Discord",
author = "shavit",
description = "Relays in-game chat into a Discord channel.",
version = SMDISCORD_VERSION,
url = "https://github.com/shavitush/smdiscord"
}

public void OnPluginStart()
{
hostname = FindConVar("hostname");
CreateConVar("smdiscord_version", SMDISCORD_VERSION, "Plugin version.", FCVAR_NOTIFY|FCVAR_DONTRECORD);

char[] sError = new char[256];

if(!LoadConfig(sError, 256))
{
SetFailState("Couldn't load the configuration file. Error: %s", error);
}
}

bool LoadConfig(char[] error, int maxlen)
{
char[] sPath = new char[PLATFORM_MAX_PATH];
BuildPath(Path_SM, sPath, PLATFORM_MAX_PATH, "configs/smdiscord.cfg");

Dynamic dConfigFile = Dynamic();

if(!dConfigFile.ReadKeyValues(sPath))
{
dConfigFile.Dispose();

FormatEx(error, maxlen, "Couldn't access "%s". Make sure that the file exists and has correct permissions set.", sPath);

return false;
}

dConfigFile.GetString("WebhookURL", gS_WebhookURL, 1024);

if(StrContains(gS_WebhookURL, "https://discordapp.com/api/webhooks") == -1)
{
FormatEx(error, maxlen, "Please change the value of WebhookURL in the configuration file ("%s") to a valid URL. Current value is "%s".", sPath, gS_WebhookURL);

return false;
}

return true;
}

void EscapeString(char[] string, int maxlen)
{
ReplaceString(string, maxlen, "@", "＠");
ReplaceString(string, maxlen, "'", "＇");
ReplaceString(string, maxlen, """, "＂");
}

public Action OnChatMessage(int &author, ArrayList recipients, eChatFlags &flag, char[] name, char[] message, bool &bProcessColors, bool &bRemoveColors)
{
char[] sHostname = new char[32];
hostname.GetString(sHostname, 32);
EscapeString(sHostname, 32);

char[] sFormat = new char[1024];
FormatEx(sFormat, 1024, "{"username":"%s", "content":"{message}"}", sHostname);

char[] sAuthID = new char[32];
GetClientAuthId(author, AuthId_Steam3, sAuthID, 32);

char[] sTime = new char[8];
FormatTime(sTime, 8, "%H:%I");

char[] sNewMessage = new char[1024];
FormatEx(sNewMessage, 1024, "%s | %s - %s: %s", sTime, sAuthID, name, message);
EscapeString(sNewMessage, 1024);
ReplaceString(sFormat, 1024, "{message}", sNewMessage);

PrintToServer("%s", sFormat);

Handle hRequest = SteamWorks_CreateHTTPRequest(k_EHTTPMethodPOST, gS_WebhookURL);
SteamWorks_SetHTTPRequestRawPostBody(hRequest, "application/json", sFormat, strlen(sFormat));
SteamWorks_SetHTTPCallbacks(hRequest, view_as<SteamWorksHTTPRequestCompleted>(OnRequestComplete));
SteamWorks_SendHTTPRequest(hRequest);

return Plugin_Continue;
}

public void OnRequestComplete(Handle hRequest, bool bFailed, bool bRequestSuccessful, EHTTPStatusCode eStatusCode)
{
delete hRequest;
}