requiring an email address for users is now configurable (#1914)

commafeed-server/src/main/java/com/commafeed/CommaFeedConfiguration.java

@@ -331,6 +331,12 @@ public interface CommaFeedConfiguration {
 		@WithDefault("4")
 		int minimumPasswordLength();
 
+		/**
+		 * Whether an email address is required when creating a user account.
+		 */
+		@WithDefault("false")
+		boolean emailAddressRequired();
+
 		/**
 		 * Whether to create a demo account the first time the app starts.
 		 */

commafeed-server/src/main/java/com/commafeed/frontend/model/ServerInfo.java

@@ -25,6 +25,9 @@ public class ServerInfo implements Serializable {
 	@Schema(required = true)
 	private boolean allowRegistrations;
 
+	@Schema(required = true)
+	private boolean emailAddressRequired;
+
 	@Schema(required = true)
 	private boolean smtpEnabled;
 

commafeed-server/src/main/java/com/commafeed/frontend/resource/ServerREST.java

@@ -53,6 +53,7 @@ public class ServerREST {
 		infos.setVersion(version.getVersion());
 		infos.setGitCommit(version.getGitCommit());
 		infos.setAllowRegistrations(config.users().allowRegistrations());
+		infos.setEmailAddressRequired(config.users().emailAddressRequired());
 		infos.setSmtpEnabled(config.passwordRecoveryEnabled());
 		infos.setDemoAccountEnabled(config.users().createDemoAccount());
 		infos.setWebsocketEnabled(config.websocket().enabled());