first part #2434 fix configuration of example app

fix configuration of taskana-rest-spring-example-boot app
to work properly after migration to Spring Boot 3.1

common/taskana-common-security/src/main/java/pro/taskana/common/internal/security/CurrentUserContextImpl.java

@@ -51,7 +51,7 @@ public class CurrentUserContextImpl implements CurrentUserContext {
   @Override
   @SuppressWarnings("removal")
   public List<String> getGroupIds() {
-    // TODO replace with Subject.current() when migrating to newer Version then 17
+    // TODO replace with Subject.current() when migrating to newer Version than 17
     Subject subject = Subject.getSubject(AccessController.getContext());
     LOGGER.trace("Subject of caller: {}", subject);
     if (subject != null) {
@@ -129,7 +129,7 @@ public class CurrentUserContextImpl implements CurrentUserContext {
 
   @SuppressWarnings("removal")
   private String getUserIdFromJaasSubject() {
-    // TODO replace with Subject.current() when migrating to newer Version then 17
+    // TODO replace with Subject.current() when migrating to newer Version than 17
     Subject subject = Subject.getSubject(AccessController.getContext());
     LOGGER.trace("Subject of caller: {}", subject);
     if (subject != null) {

rest/taskana-rest-spring-example-boot/src/main/java/pro/taskana/example/boot/security/BootWebSecurityConfigurer.java

@@ -13,6 +13,7 @@ import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
 import org.springframework.security.config.annotation.web.configurers.HeadersConfigurer;
+import org.springframework.security.config.annotation.web.configurers.RequestCacheConfigurer;
 import org.springframework.security.config.ldap.LdapPasswordComparisonAuthenticationManagerFactory;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
@@ -88,6 +89,7 @@ public class BootWebSecurityConfigurer {
     } else {
       addLoginPageConfiguration(http);
     }
+    http.requestCache(RequestCacheConfigurer::disable);
     return http.build();
   }
 
@@ -123,7 +125,12 @@ public class BootWebSecurityConfigurer {
             authorizeHttpRequests -> authorizeHttpRequests.anyRequest().fullyAuthenticated())
         .formLogin(
             formLogin ->
-                formLogin.loginPage("/login").failureUrl("/login?error").defaultSuccessUrl("/"))
+                formLogin
+                    .loginPage("/login")
+                    .failureUrl("/login?error")
+                    .defaultSuccessUrl("/index.html")
+                    .permitAll()
+        )
         .logout(
             logout ->
                 logout
@@ -131,7 +138,9 @@ public class BootWebSecurityConfigurer {
                     .clearAuthentication(true)
                     .logoutRequestMatcher(new AntPathRequestMatcher("/logout"))
                     .logoutSuccessUrl("/login?logout")
-                    .deleteCookies("JSESSIONID"));
+                    .deleteCookies("JSESSIONID")
+                    .permitAll()
+        );
   }
 
   protected JaasApiIntegrationFilter jaasApiIntegrationFilter() {

rest/taskana-rest-spring-example-boot/src/main/resources/application.properties

@@ -1,5 +1,5 @@
 logging.level.pro.taskana=INFO
-logging.level.org.springframework.security=INFO
+logging.level.org.springframework=INFO
 server.servlet.context-path=/taskana
 taskana.routing.dmn.upload.path=/tmp/routing.dmn
 ######## Taskana DB #######

rest/taskana-rest-spring-example-common/src/main/java/pro/taskana/example/rest/WebMvcConfig.java

@@ -19,7 +19,7 @@ public class WebMvcConfig implements WebMvcConfigurer {
 
   private static final String[] CLASSPATH_RESOURCE_LOCATIONS = {
     "classpath:/META-INF/resources/", "classpath:/resources/",
-    "classpath:/static/", "classpath:/public/"
+    "classpath:/static/", "classpath:/public/", "classpath:/templates/"
   };
 
   private final ObjectMapper objectMapper;

rest/taskana-rest-spring-example-common/src/main/java/pro/taskana/example/rest/controllers/TaskanaRedirectToIndexHtmlController.java

@@ -5,10 +5,10 @@ import org.springframework.web.bind.annotation.GetMapping;
 
 /** The view controller. */
 @Controller
-public class ViewController {
+public class TaskanaRedirectToIndexHtmlController {
 
   @GetMapping(path = {"", "taskana/**"})
   public String index() {
-    return "forward:/index.html";
+    return "redirect:/index.html";
   }
 }

rest/taskana-rest-spring-example-wildfly/src/main/java/pro/taskana/example/wildfly/security/ElytronToJaasFilter.java

@@ -56,7 +56,7 @@ public class ElytronToJaasFilter extends GenericFilterBean {
 
   @SuppressWarnings("removal")
   private Subject obtainSubject() {
-    // TODO replace with Subject.current() when migrating to newer Version then 17
+    // TODO replace with Subject.current() when migrating to newer Version than 17
     Subject subject = Subject.getSubject(java.security.AccessController.getContext());
     if (logger.isDebugEnabled()) {
       logger.debug("Current JAAS subject: " + subject);

rest/taskana-rest-spring-test-lib/src/main/java/pro/taskana/rest/test/SpringSecurityToJaasFilter.java

@@ -68,7 +68,7 @@ public class SpringSecurityToJaasFilter extends GenericFilterBean {
     if (authentication.isEmpty() || !authentication.get().isAuthenticated()) {
       return Optional.empty();
     }
-    // TODO replace with Subject.current() when migrating to newer Version then 17
+    // TODO replace with Subject.current() when migrating to newer Version than 17
     return Optional.of(Subject.getSubject(AccessController.getContext()));
   }
 

rest/taskana-rest-spring/src/main/java/pro/taskana/common/rest/SpringSecurityToJaasFilter.java

@@ -67,8 +67,8 @@ public class SpringSecurityToJaasFilter extends GenericFilterBean {
     if (authentication.isEmpty() || !authentication.get().isAuthenticated()) {
       return Optional.empty();
     }
-    // TODO replace with Subject.current() when migrating to newer Version then 17
+    // TODO replace with Subject.current() when migrating to newer Version than 17
-    return Optional.of(Subject.getSubject(AccessController.getContext()));
+    return Optional.ofNullable(Subject.getSubject(AccessController.getContext()));
   }
 
   Optional<Authentication> getCurrentAuthentication() {