fix #49.

remove warning about matrix-synapse-ldap3

docs/faq.md

@@ -56,8 +56,7 @@ Accounts cannot currently migrate/move from one server to another.
 See a [brief explanation document](concepts.md) about Matrix and ma1sd concepts and vocabulary.
 
 ### I already use the synapse LDAP3 auth provider. Why should I care about ma1sd?
-The [synapse LDAP3 auth provider](https://github.com/matrix-org/matrix-synapse-ldap3) is not longer maintained despite
+The [synapse LDAP3 auth provider](https://github.com/matrix-org/matrix-synapse-ldap3) only handles one specific flow: validate credentials at login.
-saying so and only handles on specific flow: validate credentials at login.
 
 It does not:
 - Auto-provision user profiles

src/main/java/io/kamax/matrix/ThreePid.java

@@ -27,7 +27,7 @@ public class ThreePid implements _ThreePid {
 
     public ThreePid(String medium, String address) {
         this.medium = medium;
-        this.address = address;
+        this.address = address.toLowerCase();
     }
 
     @Override

src/main/java/io/kamax/mxisd/config/HashingConfig.java

@@ -5,6 +5,7 @@ import org.slf4j.LoggerFactory;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 
 public class HashingConfig {
 
@@ -13,7 +14,7 @@ public class HashingConfig {
     private boolean enabled = false;
     private int pepperLength = 20;
     private RotationPolicyEnum rotationPolicy;
-    private HashStorageEnum hashStorageType;
+    private HashStorageEnum hashStorageType = HashStorageEnum.in_memory;
     private String delay = "10s";
     private transient long delayInSeconds = 10;
     private int requests = 10;
@@ -25,6 +26,7 @@ public class HashingConfig {
             LOGGER.info("   Pepper length: {}", getPepperLength());
             LOGGER.info("   Rotation policy: {}", getRotationPolicy());
             LOGGER.info("   Hash storage type: {}", getHashStorageType());
+            Objects.requireNonNull(getHashStorageType(), "Storage type must be specified");
             if (RotationPolicyEnum.per_seconds == getRotationPolicy()) {
                 setDelayInSeconds(new DurationDeserializer().deserialize(getDelay()));
                 LOGGER.info("   Rotation delay: {}", getDelay());

src/main/java/io/kamax/mxisd/matrix/HomeserverFederationResolver.java

@@ -130,7 +130,9 @@ public class HomeserverFederationResolver {
 
             return Optional.empty();
         } catch (IOException e) {
-            throw new RuntimeException("Error while trying to lookup well-known for " + domain, e);
+            log.info("Error while trying to lookup well-known for " + domain);
+            log.trace("Error while trying to lookup well-known for " + domain, e);
+            return Optional.empty();
         }
     }