1) Yes, it's possible to make a server emulator if you have game client and connection to official server. Since all official servers are down, it's very hard or even impossible to make the emulator.
2) For standard MMORPG, it takes few months to get basic features working, and around half a year to get it to more or less playable state. Nobody in his right mind is going to do that for free.
Summary - just find another game to play.