[freebox] Hot fix for login to the freebox

bundles/org.openhab.binding.freebox/src/main/java/org/openhab/binding/freebox/internal/FreeboxHandlerFactory.java

@@ -21,7 +21,6 @@
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.jdt.annotation.NonNullByDefault;
 import org.eclipse.jdt.annotation.Nullable;
 import org.eclipse.smarthome.config.core.Configuration;
@@ -95,7 +94,7 @@ public boolean supportsThingType(ThingTypeUID thingTypeUID) {
     }
 
     @Override
-    public @Nullable Thing createThing(@NonNull ThingTypeUID thingTypeUID, @NonNull Configuration configuration,
+    public @Nullable Thing createThing(ThingTypeUID thingTypeUID, Configuration configuration,
             @Nullable ThingUID thingUID, @Nullable ThingUID bridgeUID) {
         if (thingTypeUID.equals(FreeboxBindingConstants.FREEBOX_BRIDGE_TYPE_SERVER)) {
             return super.createThing(thingTypeUID, configuration, thingUID, null);

bundles/org.openhab.binding.freebox/src/main/java/org/openhab/binding/freebox/internal/api/FreeboxApiManager.java

@@ -479,7 +479,7 @@ private String encodeUrl(String url) throws FreeboxException {
         }
     }
 
-    private static String hmacSha1(String key, String value) throws FreeboxException {
+    public static String hmacSha1(String key, String value) throws FreeboxException {
         try {
             // Get an hmac_sha1 key from the raw key bytes
             byte[] keyBytes = key.getBytes();
@@ -493,7 +493,7 @@ private static String hmacSha1(String key, String value) throws FreeboxException
             byte[] rawHmac = mac.doFinal(value.getBytes());
 
             // Convert raw bytes to a String
-            return HexUtils.bytesToHex(rawHmac);
+            return HexUtils.bytesToHex(rawHmac).toLowerCase();
         } catch (IllegalArgumentException | NoSuchAlgorithmException | InvalidKeyException | IllegalStateException e) {
             throw new FreeboxException("Computing the hmac-sha1 of the challenge and the app token failed", e);
         }

bundles/org.openhab.binding.freebox/src/test/java/org/openhab/binding/freebox/internal/api/FreeboxApiManagerTest.java

@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) 2010-2020 Contributors to the openHAB project
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package org.openhab.binding.freebox.internal.api;
+
+import org.eclipse.jdt.annotation.NonNullByDefault;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ *
+ * @author Laurent Garnier - Initial contribution
+ */
+@NonNullByDefault
+public class FreeboxApiManagerTest {
+
+    @Test
+    public void hmacSha1Test() throws Exception {
+        String expected = "25dad1bb5604321f12b755cc9d755d1480cf7989";
+        String actual = FreeboxApiManager.hmacSha1("Token1234", "Challenge");
+        Assert.assertEquals(expected, actual);
+    }
+
+}