1 files changed, 61 insertions, 0 deletions
diff --git a/src/org/traccar/api/SecurityRequestFilter.java b/src/org/traccar/api/SecurityRequestFilter.java
new file mode 100644
index 000000000..63295a8b7
--- /dev/null
+++ b/src/org/traccar/api/SecurityRequestFilter.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.api;
+
+import org.traccar.Context;
+import org.traccar.model.User;
+
+import java.nio.charset.Charset;
+import java.sql.SQLException;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.container.ContainerRequestContext;
+import javax.ws.rs.container.ContainerRequestFilter;
+import javax.ws.rs.core.Response;
+import javax.xml.bind.DatatypeConverter;
+
+public class SecurityRequestFilter implements ContainerRequestFilter {
+
+    public static final String AUTHORIZATION_HEADER = "Authorization";
+    public static final String WWW_AUTHENTICATE = "WWW-Authenticate";
+    public static final String BASIC_REALM = "Basic realm=\"api\"";
+
+    public static String[] decodeBasicAuth(String auth) {
+        auth = auth.replaceFirst("[B|b]asic ", "");
+        byte[] decodedBytes = DatatypeConverter.parseBase64Binary(auth);
+        if (decodedBytes != null && decodedBytes.length > 0) {
+            return new String(decodedBytes, Charset.defaultCharset()).split(":", 2);
+        }
+        return null;
+    }
+
+    @Override
+    public void filter(ContainerRequestContext requestContext) {
+        try {
+            String[] auth = decodeBasicAuth(requestContext.getHeaderString(AUTHORIZATION_HEADER));
+            User user = Context.getDataManager().login(auth[0], auth[1]);
+            if (user != null) {
+                requestContext.setSecurityContext(
+                        new UserSecurityContext(new UserPrincipal(user.getId(), user.getName())));
+            } else {
+                throw new WebApplicationException(
+                        Response.status(Response.Status.UNAUTHORIZED).header(WWW_AUTHENTICATE, BASIC_REALM).build());
+            }
+        } catch (SQLException e) {
+            throw new WebApplicationException(e);
+        }
+    }
+
+}