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lua/gm_express/sv_init.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+require( "playerload" )
+util.AddNetworkString( "express_access" )
+
+
+-- Registers a basic receiver --
+function express.Receive( message, cb )
+    express:_setReceiver( message, cb )
+end
+
+
+-- Broadcasts the given data to all connected players --
+function express.Broadcast( message, data, onProof )
+    express.Send( message, data, player.GetAll(), onProof )
+end
+
+
+-- Registers with the current API, storing and distributing access tokens --
+function express.Register()
+    -- All stored items expire after a day
+    -- That includes tokens, so we need
+    -- to re-register if we make it this far
+    local oneDay = 60 * 60 * 24
+    timer.Create( "Express_Register", oneDay, 0, express.Register )
+
+    local url = express:makeBaseURL() .. "/register"
+
+    http.Fetch( url, function( body, _, _, code )
+        express._checkResponseCode( code )
+
+        local response = util.JSONToTable( body )
+        assert( response, "Invalid JSON" )
+        assert( response.server, "No server access token" )
+        assert( response.client, "No client access token" )
+
+        express:SetAccess( response.server )
+        express._clientAccess = response.client
+
+        if player.GetCount() == 0 then return end
+
+        net.Start( "express_access" )
+        net.WriteString( express._clientAccess )
+        net.Broadcast()
+    end, error, express.jsonHeaders )
+end
+
+
+-- Passthrough for the shared _send function --
+function express.Send( ... )
+    express:_send( ... )
+end
+
+
+-- Sets a callback for each of the recipients that will run when they provide proof --
+function express:SetExpected( hash, cb, plys )
+    if not istable( plys ) then plys = { plys } end
+
+    for _, ply in ipairs( plys ) do
+        local key = ply:SteamID64() .. "-" .. hash
+        self._awaitingProof[key] = cb
+    end
+end
+
+
+-- Runs a hook when a player makes a new express Receiver --
+function express._onReceiverMade( _, ply )
+    local messageCount = net.ReadUInt( 8 )
+
+    for _ = 1, messageCount do
+        local name = string.lower( net.ReadString() )
+        hook.Run( "ExpressPlayerReceiver", ply, name )
+    end
+end
+
+net.Receive( "express_receivers_made", express._onReceiverMade )
+
+
+-- Send the player their access token as soon as it's safe to do so --
+function express._onPlayerLoaded( ply )
+    net.Start( "express_access" )
+    net.WriteString( express._clientAccess )
+    net.Send( ply )
+end
+
+hook.Add( "PlayerFullLoad", "Express_PlayerReady", express._onPlayerLoaded )