From 986836b505a1023ad131d4ed164145a2bb566897 Mon Sep 17 00:00:00 2001
From: Pierre Mauduit <pierre.mauduit@camptocamp.com>
Date: Mon, 29 Jan 2024 14:36:37 +0100
Subject: [PATCH] gwc - handles workspace-based paths (#380)

---
 .../gwc/GeoWebCacheUIAutoConfiguration.java   | 37 ++++++++++++++++---
 .../gwc/web/rest/GeoWebCacheController.java   | 10 +----
 2 files changed, 34 insertions(+), 13 deletions(-)

diff --git a/src/gwc/autoconfigure/src/main/java/org/geoserver/cloud/autoconfigure/web/gwc/GeoWebCacheUIAutoConfiguration.java b/src/gwc/autoconfigure/src/main/java/org/geoserver/cloud/autoconfigure/web/gwc/GeoWebCacheUIAutoConfiguration.java
index 39f5aee81..7e1002e52 100644
--- a/src/gwc/autoconfigure/src/main/java/org/geoserver/cloud/autoconfigure/web/gwc/GeoWebCacheUIAutoConfiguration.java
+++ b/src/gwc/autoconfigure/src/main/java/org/geoserver/cloud/autoconfigure/web/gwc/GeoWebCacheUIAutoConfiguration.java
@@ -6,9 +6,10 @@
 
 import lombok.extern.slf4j.Slf4j;
 
-import org.geoserver.cloud.autoconfigure.gwc.ConditionalOnGeoWebCacheRestConfigEnabled;
+import org.geoserver.catalog.Catalog;
 import org.geoserver.cloud.autoconfigure.gwc.ConditionalOnWebUIEnabled;
 import org.geoserver.cloud.gwc.config.core.GeoWebCacheConfigurationProperties;
+import org.geoserver.gwc.controller.GwcUrlHandlerMapping;
 import org.geowebcache.GeoWebCacheDispatcher;
 import org.geowebcache.rest.controller.ByteStreamController;
 import org.gwc.web.rest.GeoWebCacheController;
@@ -32,13 +33,39 @@ GeoWebCacheController gwcController(GeoWebCacheDispatcher gwcDispatcher) {
         return new GeoWebCacheController(gwcDispatcher);
     }
 
-    /**
-     * Provide a handler for static web resources if missing, for example, because {@link
-     * ConditionalOnGeoWebCacheRestConfigEnabled} is disabled
-     */
+    /** ConditionalOnGeoWebCacheRestConfigEnabled} is disabled */
     @Bean
     @ConditionalOnMissingBean(ByteStreamController.class)
     ByteStreamController byteStreamController() {
         return new ByteStreamController();
     }
+
+    /**
+     * GS's src/web/gwc/src/main/java/applicationContext.xml
+     * <!-- Used for workspace-based demo requests so the requests to GS stay workspace-based -->
+     * <bean id="gwcDemoUrlHandlerMapping"
+     * class="org.geoserver.gwc.controller.GwcUrlHandlerMapping"> <constructor-arg ref="catalog" />
+     * <constructor-arg value="/gwc/demo"/> <property name="alwaysUseFullPath" value="true" />
+     * <property name="order" value="10" /> </bean>
+     * <!-- Used for workspace-based web requests (i.e. for rest/web/openlayer/ol.js) -->
+     * <bean id="gwcRestWebUrlHandlerMapping"
+     * class="org.geoserver.gwc.controller.GwcUrlHandlerMapping"> <constructor-arg ref="catalog" />
+     * <constructor-arg type="java.lang.String" value="/gwc/rest/web"/> <property
+     * name="alwaysUseFullPath" value="true" /> <property name="order" value="10" /> </bean>
+     */
+    @Bean
+    GwcUrlHandlerMapping gwcDemoUrlHandlerMapping(Catalog catalog) {
+        GwcUrlHandlerMapping handler = new GwcUrlHandlerMapping(catalog, "/gwc/demo");
+        handler.setAlwaysUseFullPath(true);
+        handler.setOrder(10);
+        return handler;
+    }
+
+    @Bean
+    GwcUrlHandlerMapping gwcRestWebUrlHandlerMapping(Catalog catalog) {
+        GwcUrlHandlerMapping handler = new GwcUrlHandlerMapping(catalog, "/gwc/rest/web");
+        handler.setAlwaysUseFullPath(true);
+        handler.setOrder(10);
+        return handler;
+    }
 }
diff --git a/src/gwc/services/src/main/java/org/gwc/web/rest/GeoWebCacheController.java b/src/gwc/services/src/main/java/org/gwc/web/rest/GeoWebCacheController.java
index 021920b80..5b8cc0400 100644
--- a/src/gwc/services/src/main/java/org/gwc/web/rest/GeoWebCacheController.java
+++ b/src/gwc/services/src/main/java/org/gwc/web/rest/GeoWebCacheController.java
@@ -25,19 +25,13 @@
  * <p>Copied from {@link GeoServerGWCDispatcherController}
  */
 @Controller
-@RequestMapping("/gwc")
+@RequestMapping(path = {"/gwc", "/{namespace}/gwc"})
 @RequiredArgsConstructor
 public class GeoWebCacheController {
 
     private final @NonNull GeoWebCacheDispatcher gwcDispatcher;
 
-    @GetMapping(
-            path = {
-                "",
-                "/home",
-                "/demo/**",
-                "/proxy/**",
-            })
+    @GetMapping(path = {"", "/home", "/demo/**", "/proxy/**"})
     public void handleGet(HttpServletRequest request, HttpServletResponse response)
             throws Exception {
         gwcDispatcher.handleRequest(request, response);