private async Task <DbServer> CreateNewServer(RequestPayload requestInfo, int version, ObjectId stateId)
{
//Generate a token to use
string token = SecureStringTool.GenerateSecureString(46);
while (!await SecureStringTool.CheckStringUniquenessAsync <DbServer>(token, Program.conn.system_servers))
{
token = SecureStringTool.GenerateSecureString(46);
}
token = "B." + token;
//Create a server
var server = new DbServer
{
display_name = requestInfo.name,
_id = MongoDB.Bson.ObjectId.GenerateNewId(),
image_url = Program.conn.hosts.master + "/default_server_icon.png",
token = token,
has_custom_image = false,
latest_server_map = requestInfo.map,
mods = new string[0],
last_secure_mode_toggled = DateTime.UtcNow,
flags = 0b00000110,
last_client_version = version,
last_connected_time = DateTime.UtcNow,
last_pinged_time = DateTime.UtcNow,
last_sync_state = stateId
};
//Insert
await Program.conn.system_servers.InsertOneAsync(server);
return(server);
}
public override async Task OnRequest()
{
//Check to see if this is a valid ARK server
if (!e.Request.Query.ContainsKey("client_version"))
{
e.Response.StatusCode = 400;
await Program.WriteStringToStream(e.Response.Body, "Required information was not sent, this is likely not a valid ARK server.\r\n\r\nIt's likely that you're looking into how things here work. More information: https://github.com/deltawebmap/Docs/blob/master/basics.md \r\n\r\n(C) DeltaWebMap 2020, RomanPort 2020");
return;
}
//Get version
int clientVersion = int.Parse(e.Request.Query["client_version"]);
//Read the request data
var request = await ReadPOSTContentChecked <RequestPayload>();
if (request == null)
{
return;
}
//Attempt to authenticate. It's OK of this fails.
DbServer server = await Program.conn.AuthenticateServerTokenAsync(request.token);
ObjectId stateId = ObjectId.GenerateNewId();
if (server == null)
{
//Create
server = await CreateNewServer(request, clientVersion, stateId);
}
else
{
//Update info
await server.GetUpdateBuilder(conn)
.UpdateLastSyncState(stateId)
.UpdateLastSyncConnectedTime(DateTime.UtcNow)
.UpdateLastSyncPingedTime(DateTime.UtcNow)
.UpdateLastSyncClientVersion(clientVersion)
.Apply();
}
//Generate a state token
string stateToken = SecureStringTool.GenerateSecureString(56);
while (!await SecureStringTool.CheckStringUniquenessAsync <DbSyncSavedState>(stateToken, Program.conn.system_sync_states))
{
stateToken = SecureStringTool.GenerateSecureString(56);
}
//Create a state
DbSyncSavedState state = new DbSyncSavedState
{
mod_version = clientVersion,
server_id = server._id,
system_version = Program.VERSION_MAJOR,
time = DateTime.UtcNow,
token = stateToken,
mod_enviornment = e.Request.Query["client_env"],
_id = stateId
};
await Program.conn.system_sync_states.InsertOneAsync(state);
//Create a response
ResponsePayload response = new ResponsePayload
{
refresh_token = server.token,
session_token = state.token,
is_claimed = false,
server_id = server.id,
content_server_host = server.game_content_server_hostname
};
//Write response
await Program.WriteStringToStream(e.Response.Body, "D002" + Newtonsoft.Json.JsonConvert.SerializeObject(response));
}