SEBSERV-467 fix plus added authentication to LMSSetup test

src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/lms/impl/olat/OlatLmsAPITemplate.java

@@ -163,6 +163,23 @@ public class OlatLmsAPITemplate extends AbstractCachedCourseAccess implements Lm
                     "lmsSetup:lmsClientsecret:notNull"));
         }
 
+        final Result<OlatLmsRestTemplate> restTemplateResult = getRestTemplate();
+        if (restTemplateResult.hasError()) {
+            missingAttrs.add(APIMessage.fieldValidationError(
+                    LMS_SETUP.ATTR_LMS_URL,
+                    "lmsSetup:lmsUrl:url.noservice"));
+        } else {
+            final OlatLmsRestTemplate olatLmsRestTemplate = restTemplateResult.get();
+            try {
+                olatLmsRestTemplate.testAuthentication();
+            } catch (final Exception e) {
+                log.error("Failed to test Authentication: {}", e.getMessage());
+                missingAttrs.add(APIMessage.fieldValidationError(
+                        LMS_SETUP.ATTR_LMS_URL,
+                        "lmsSetup:lmsUrl:url.noaccess"));
+            }
+        }
+
         if (!missingAttrs.isEmpty()) {
             return LmsSetupTestResult.ofMissingAttributes(LmsType.OPEN_OLAT, missingAttrs);
         }

src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/lms/impl/olat/OlatLmsRestTemplate.java

@@ -32,6 +32,10 @@ public class OlatLmsRestTemplate extends RestTemplate {
     private String token;
     private ClientCredentialsResourceDetails details;
 
+    public void testAuthentication() {
+        authenticate();
+    }
+
     public OlatLmsRestTemplate(final ClientCredentialsResourceDetails details) {
         super();
         this.details = details;
@@ -45,7 +49,6 @@ public class OlatLmsRestTemplate extends RestTemplate {
                     final ClientHttpRequestExecution execution) throws IOException {
 
                 try {
-
                     // if there's no token, authenticate first
                     if (OlatLmsRestTemplate.this.token == null) {
                         authenticate();
@@ -59,6 +62,7 @@ public class OlatLmsRestTemplate extends RestTemplate {
 
                         return execution.execute(request, body);
                     }
+
                     // otherwise, add the X-OLAT-TOKEN
                     request.getHeaders().set("accept", "application/json");
                     request.getHeaders().set("X-OLAT-TOKEN", OlatLmsRestTemplate.this.token);
@@ -85,6 +89,7 @@ public class OlatLmsRestTemplate extends RestTemplate {
                             log.debug("OLAT [retry API call]: URL {}", request.getURI());
                         }
 
+                        response.close();
                         response = execution.execute(request, body);
 
                         if (log.isDebugEnabled()) {
@@ -97,7 +102,7 @@ public class OlatLmsRestTemplate extends RestTemplate {
 
                 } catch (final Exception e) {
                     // TODO find a way to better deal with Olat temporary unavailability
-                    log.error("Unexpected error: ", e);
+                    log.error("Unexpected error: {}", e.getMessage());
                     throw e;
                 }
             }

src/main/resources/config/application-dev-ws.properties

@@ -25,7 +25,7 @@ sebserver.webservice.clean-db-on-startup=false
 
 # webservice configuration
 sebserver.init.adminaccount.gen-on-init=false
-sebserver.webservice.distributed=true
+sebserver.webservice.distributed=false
 #sebserver.webservice.master.delay.threshold=10000
 sebserver.webservice.http.external.scheme=http
 sebserver.webservice.http.external.servername=localhost

src/main/resources/messages.properties

@@ -111,6 +111,7 @@ sebserver.form.validation.fieldError.serverNotAvailable=No service seems to be a
 sebserver.form.validation.fieldError.url.invalid=Invalid URL. The given URL cannot be reached.
 sebserver.form.validation.fieldError.typeInvalid=This type is not implemented yet and cannot be used.
 sebserver.form.validation.fieldError.url.noservice=The expected service is not available within the given URL and API access.
+sebserver.form.validation.fieldError.url.noaccess=There has no access been granted by the service. Please check the given access credentials.
 sebserver.form.validation.fieldError.thresholdDuplicate=There are duplicate threshold values.
 sebserver.form.validation.fieldError.thresholdEmpty=There are missing values or colors for the threshold declaration
 sebserver.form.validation.fieldError.invalidIP=Invalid IP v4. Please enter a valid IP-address (v4)

src/test/java/ch/ethz/seb/sebserver/webservice/integration/api/admin/OlatLmsAPITemplateTest.java

@@ -41,6 +41,8 @@ public class OlatLmsAPITemplateTest extends AdministrationAPIIntegrationTester {
     private ExamConfigurationValueService examConfigurationValueService;
     @Autowired
     private CacheManager cacheManager;
+    @Autowired
+    private OlatLmsRestTemplate olatLmsRestTemplate;
 
     @Test
     public void testSetRestriction() throws Exception {