From 68b230f42f93a2e801292a2085cc3fce3a676823 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Fri, 25 Nov 2016 10:04:29 +0300
Subject: juick-api: JSONP and CORS

---
 .../src/main/java/com/juick/api/ApiServer.java     | 24 ----------------------
 .../api/configuration/ApiMvcConfiguration.java     | 10 ++++++---
 .../java/com/juick/api/controllers/Messages.java   |  1 +
 .../juick/api/controllers/util/JsonpAdvice.java    | 14 +++++++++++++
 4 files changed, 22 insertions(+), 27 deletions(-)
 create mode 100644 juick-api/src/main/java/com/juick/api/controllers/util/JsonpAdvice.java

(limited to 'juick-api')

diff --git a/juick-api/src/main/java/com/juick/api/ApiServer.java b/juick-api/src/main/java/com/juick/api/ApiServer.java
index c76c165a..80b2b31b 100644
--- a/juick-api/src/main/java/com/juick/api/ApiServer.java
+++ b/juick-api/src/main/java/com/juick/api/ApiServer.java
@@ -28,10 +28,6 @@ import rocks.xmpp.core.session.XmppSessionConfiguration;
 import rocks.xmpp.extensions.component.accept.ExternalComponent;
 
 import javax.annotation.PostConstruct;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-import java.io.PrintWriter;
 
 /**
  * @author Ugnich Anton
@@ -91,26 +87,6 @@ public class ApiServer implements AutoCloseable {
         }
     }
 
-    public static void replyJSON(HttpServletRequest request, HttpServletResponse response, String json) throws IOException {
-        response.setContentType("application/json; charset=UTF-8");
-        response.setHeader("Access-Control-Allow-Origin", "*");
-
-        String callback = request.getParameter("callback");
-        if (callback != null && (callback.length() > 64 || !callback.matches("[a-zA-Z0-9\\-\\_]+"))) {
-            callback = null;
-        }
-
-        try (PrintWriter out = response.getWriter()) {
-            if (callback != null) {
-                out.print(callback + "(");
-                out.print(json);
-                out.print(")");
-            } else {
-                out.print(json);
-            }
-        }
-    }
-
     public ExternalComponent getXmpp() {
         return xmpp;
     }
diff --git a/juick-api/src/main/java/com/juick/api/configuration/ApiMvcConfiguration.java b/juick-api/src/main/java/com/juick/api/configuration/ApiMvcConfiguration.java
index 7183ab1f..8e0087d7 100644
--- a/juick-api/src/main/java/com/juick/api/configuration/ApiMvcConfiguration.java
+++ b/juick-api/src/main/java/com/juick/api/configuration/ApiMvcConfiguration.java
@@ -2,13 +2,12 @@ package com.juick.api.configuration;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
-import com.juick.api.ApiServer;
-import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.converter.HttpMessageConverter;
 import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
 import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
 import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
 
@@ -18,7 +17,7 @@ import java.util.List;
  * Created by vitalyster on 28.06.2016.
  */
 @Configuration
-@ComponentScan(basePackages = {"com.juick.api"})
+@ComponentScan(basePackages = {"com.juick.api.controllers"})
 public class ApiMvcConfiguration extends WebMvcConfigurationSupport {
 
     @Override
@@ -40,4 +39,9 @@ public class ApiMvcConfiguration extends WebMvcConfigurationSupport {
         converters.add(converter);
         super.configureMessageConverters(converters);
     }
+
+    @Override
+    protected void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**");
+    }
 }
diff --git a/juick-api/src/main/java/com/juick/api/controllers/Messages.java b/juick-api/src/main/java/com/juick/api/controllers/Messages.java
index a6bd3f6d..f4cde321 100644
--- a/juick-api/src/main/java/com/juick/api/controllers/Messages.java
+++ b/juick-api/src/main/java/com/juick/api/controllers/Messages.java
@@ -16,6 +16,7 @@ import org.slf4j.LoggerFactory;
 import org.springframework.http.MediaType;
 import org.springframework.stereotype.Controller;
 import org.springframework.util.StringUtils;
+import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.ResponseBody;
diff --git a/juick-api/src/main/java/com/juick/api/controllers/util/JsonpAdvice.java b/juick-api/src/main/java/com/juick/api/controllers/util/JsonpAdvice.java
new file mode 100644
index 00000000..cc14976b
--- /dev/null
+++ b/juick-api/src/main/java/com/juick/api/controllers/util/JsonpAdvice.java
@@ -0,0 +1,14 @@
+package com.juick.api.controllers.util;
+
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.servlet.mvc.method.annotation.AbstractJsonpResponseBodyAdvice;
+
+/**
+ * Created by vitalyster on 25.11.2016.
+ */
+@ControllerAdvice
+public class JsonpAdvice extends AbstractJsonpResponseBodyAdvice {
+    public JsonpAdvice() {
+        super("callback");
+    }
+}
-- 
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