JWTAuth.msc

msc {
	# Options
	hscale="1.5", wordwraparcs=1;
	# Define the actors
	User, Email, Server, Database;
	# Title note
	User note Database [
	label="Describes the process of performing persistent auth", textbgcolor="aqua"];

	# Define the messages
	User->Server [label="Request persistent auth"];
	Server->Database [label="Retrieve associated entity email"];
	Server=>Server [label="Verify email safety"];
	--- [label="If email unsafe, return bad email response"];
	Server->User [label="Bad Email",
			linecolor="red"];
	--- [label="Otherwise issue a new challenge"];
	Server->Database [label="Create new challenge pair"];
	Server->User [label="Send challenge id"];
	Server->Email [label="Send challenge code", arcskip=1];
	|||;
	Email->User [label="Share challenge code", arcskip=1];
	|||;
	User->Server [label="code & id"];
	Server->Database [label="Verify challenge code & id"];
	--- [label="If code expired or invalid, return bad auth response"];
	Server->User [label="Bad Auth",
			linecolor="red"];
	--- [label="Otherwise, create and return JWT with relevant scope"];
	Server->Database [label="Create JWT"];
	Server->User [label="Return JWT"];
}