From 4ced73a53d79a3cda07481def813f47d70e2443a Mon Sep 17 00:00:00 2001
From: Claudio Maggioni <maggicl@usi.ch>
Date: Tue, 3 Mar 2020 11:41:15 +0100
Subject: [PATCH] Added CORS origin to * and changed TestController

---
 .../smarthut/config/CORSFilter.java           | 32 +++++++++++++++++++
 .../smarthut/config/SpringFoxConfig.java      |  5 +--
 .../controller/AuthenticationController.java  |  1 -
 .../controller/WelcomeController.java         | 14 ++------
 4 files changed, 38 insertions(+), 14 deletions(-)
 create mode 100644 src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/CORSFilter.java

diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/CORSFilter.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/CORSFilter.java
new file mode 100644
index 0000000..4535da1
--- /dev/null
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/CORSFilter.java
@@ -0,0 +1,32 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.config;
+
+import java.io.IOException;
+import javax.servlet.*;
+import javax.servlet.http.HttpServletResponse;
+import org.springframework.stereotype.Component;
+
+/**
+ * Add CORS headers to each response in order to please the frontend requests, coming from a
+ * different host for now (thanks to the difference in ports). Andrea would you please stop
+ * complaining now
+ */
+@Component
+public class CORSFilter implements Filter {
+
+    @Override
+    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
+            throws IOException, ServletException {
+        HttpServletResponse response = (HttpServletResponse) res;
+        response.setHeader("Access-Control-Allow-Origin", "*");
+        response.setHeader("Access-Control-Allow-Methods", "HEAD, PUT, POST, GET, OPTIONS, DELETE");
+        response.setHeader("Access-Control-Max-Age", "3600");
+        response.setHeader("Access-Control-Allow-Headers", "x-requested-with");
+        chain.doFilter(req, res);
+    }
+
+    @Override
+    public void init(FilterConfig filterConfig) {}
+
+    @Override
+    public void destroy() {}
+}
diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/SpringFoxConfig.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/SpringFoxConfig.java
index a8c86a5..041f7c7 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/SpringFoxConfig.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/SpringFoxConfig.java
@@ -68,8 +68,9 @@ public class SpringFoxConfig {
      */
     private Predicate<String> paths() {
         return regexPredicate("/auth.*")
-            .or(regexPredicate("/room.*"))
-            .or(regexPredicate("/register.*"));
+                .or(regexPredicate("/room.*"))
+                .or(regexPredicate("/register.*"))
+                .or(regexPredicate("/"));
     }
 
     /**
diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/AuthenticationController.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/AuthenticationController.java
index cc9ed2e..0cf7bbe 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/AuthenticationController.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/AuthenticationController.java
@@ -17,7 +17,6 @@ import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.web.bind.annotation.*;
 
 @RestController
-@CrossOrigin
 @RequestMapping("/auth")
 public class AuthenticationController {
 
diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/WelcomeController.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/WelcomeController.java
index 8cbb5d5..a81eec6 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/WelcomeController.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/WelcomeController.java
@@ -1,23 +1,15 @@
 package ch.usi.inf.sa4.sanmarinoes.smarthut.controller;
 
-import ch.usi.inf.sa4.sanmarinoes.smarthut.models.*;
-import java.util.*;
 import org.springframework.boot.autoconfigure.*;
+import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
 @RestController
 @EnableAutoConfiguration
-// @Mapping("/light")
 public class WelcomeController {
 
     @GetMapping
-    List<Device> testDevices() {
-        return Arrays.asList(
-                new KnobDimmer(),
-                new RegularLight(),
-                new MotionSensor(),
-                new Sensor(),
-                new SmartPlug(),
-                new Switch());
+    ResponseEntity<Void> testConnection() {
+        return ResponseEntity.ok(null);
     }
 }