Simple one-page ColdFusion CFLogin demo #cfml

cflogin-demo.cfm

<!---  20220414 Simple one-page ColdFusion CFLogin demo #cfml
       Responding to https://tracker.adobe.com/#/view/CF-4213180
       A CFLogin object with "name" & "password" doesn't exist, but ACF documentation references it.

  CFLogin Documentation:
  https://cfdocs.org/cflogin
  https://helpx.adobe.com/coldfusion/cfml-reference/coldfusion-tags/tags-j-l/cflogin.html
  https://docs.lucee.org/reference/tags/login.html
--->

<cfif form.keyExists("logout")>
	<cflogout>
	<p style="color:red;">You have been logged out.</p>
</cfif>

<cfoutput>
	<p>PRE: isDefined("cflogin") = #isDefined("cflogin")#</p>
</cfoutput>

<cflogin>
	<cfif form.keyExists("logout")>
	<cfelseif form.keyExists("j_username") and form.keyExists("j_password")>
		<cfloginuser name="#form.j_username#" Password="#form.j_password#" roles="myRole">
	</cfif>
</cflogin>

<cfoutput>
	<p>POST: isDefined("cflogin") = #isDefined("cflogin")#</p>
</cfoutput>

<cfif not isUserLoggedIn()>
	<cfoutput>
		<form action="#CGI.script_name#<cfif len(CGI.query_string)>?#CGI.query_string#</cfif>" method="post">
			<input name="j_username" value="me" required placeholder="Username" autocomplete="username"><br>
			<input name="j_password" value="myPW" required placeholder="password" autocomplete="current-password"><br>
			<button type="submit">Log on</button>
		</form>
	</cfoutput>
	<cfexit>
</cfif>

<cfoutput>
	<h2>Welcome "#GetAuthUser()#"!</h2>
	<p><b>Roles:</b> #replace(getUserRoles(),",", ", ","all")#</p>

	<form action="#CGI.script_name#<cfif len(CGI.query_string)>?#CGI.query_string#</cfif>" method="post">
		<button type="submit" name="logout">Log out</button>
	</form>
</cfoutput>