also open make requests to absolute URLs

backend/src/main/java/de/learnlib/alex/data/entities/actions/rest/CallAction.java

@@ -84,7 +84,8 @@ public enum Method {
     private Method method;
 
     /**
-     * The url to call. This is just the suffix which will be appended to the base url.
+     * The url to call.
+     * The URL can either be a path relative to the project's base URL or a absolute URL that starts with https?://
      */
     @NotBlank
     private String url;

backend/src/main/java/de/learnlib/alex/data/entities/actions/web/GotoAction.java

@@ -45,7 +45,10 @@ public class GotoAction extends WebSymbolAction {
 
     private static final Logger LOGGER = LogManager.getLogger();
 
-    /** The URL of the site. */
+    /**
+     * The URL of the site.
+     * The URL can either be a path relative to the project's base URL or a absolute URL that starts with https?://
+     */
     @NotBlank
     private String url;
 

backend/src/main/java/de/learnlib/alex/learning/services/BaseUrlManager.java

@@ -78,12 +78,17 @@ public String getAbsoluteUrl(String path) {
      */
     public String getAbsoluteUrl(String path, Credentials credentials) {
         String url = combineUrls(baseUrl, path);
+        return BaseUrlManager.getUrlWithCredentials(url, credentials);
+    }
+
+    public static String getUrlWithCredentials(String url, Credentials credentials) {
         if (credentials != null && credentials.areValid()) {
-            url = url.replaceFirst("^(http[s]?://)", "$1"
+            return url.replaceFirst("^(http[s]?://)", "$1"
                     + credentials.getName() + ":"
                     + credentials.getPassword() + "@");
+        } else {
+            return url;
         }
-        return url;
     }
 
     /**

backend/src/main/java/de/learnlib/alex/learning/services/connectors/WebServiceConnector.java

@@ -27,6 +27,8 @@
 import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.core.NewCookie;
 import javax.ws.rs.core.Response;
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.util.Map;
 import java.util.Set;
 
@@ -281,7 +283,14 @@ private void followRedirects(Response response) {
     private Invocation.Builder getRequestObject(String path, Map<String, String> requestHeaders,
             Set<Cookie> requestCookies, int timeout) {
         final String[] splitPath = path.split("\\?");
-        WebTarget tmpTarget = target.path(splitPath[0]);
+
+        WebTarget tmpTarget;
+        try {
+            new URL(path);
+            tmpTarget = client.target(splitPath[0]);
+        } catch (MalformedURLException e) {
+            tmpTarget = target.path(splitPath[0]);
+        }
 
         if (splitPath.length > 1) {
             for (final String queryParam : splitPath[1].split("&")) {

backend/src/main/java/de/learnlib/alex/learning/services/connectors/WebSiteConnector.java

@@ -30,6 +30,8 @@
 import org.openqa.selenium.WebDriver;
 import org.openqa.selenium.WebElement;
 
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 
@@ -126,7 +128,14 @@ public void get(String path, Credentials credentials) throws Exception {
             this.driver = driverConfig.createDriver();
         }
 
-        final String url = baseUrl.getAbsoluteUrl(path, credentials);
+        String url;
+        try {
+            new URL(path);
+            url = BaseUrlManager.getUrlWithCredentials(path, credentials);
+        } catch (MalformedURLException e) {
+            url = baseUrl.getAbsoluteUrl(path, credentials);
+        }
+
         int numRetries = 0;
         while (numRetries < MAX_RETRIES) {
             try {

frontend/src/main/javascript/src/js/components/forms/actions/rest/request-action-form/request-action-form.component.html

@@ -1,6 +1,6 @@
 <h5><strong>Make request</strong></h5>
 
-<p class="text-muted">Make a HTTP request to a URL (relative to your projects default URL).</p>
+<p class="text-muted">Make a HTTP request to a URL that is either relative to your project's base URL or an absolute one.</p>
 <hr>
 
 <div class="form-group">

frontend/src/main/javascript/src/js/components/forms/actions/web/open-url-action-form/open-url-action-form.component.html

@@ -1,7 +1,7 @@
 <h5><strong>Open URL</strong></h5>
 
 <p class="text-muted">
-    Open a URL that is <strong>relative</strong> to your projects' base URL
+    Open a URL that is either relative to your projects' base URL or an absolute one.
 </p>
 <hr>