Port to java 17

[ccsdk/apps.git] / cadi / core / src / main / java / org / onap / ccsdk / apps / cadi / taf / LoginPageTafResp.java

diff --git a/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/taf/LoginPageTafResp.java b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/taf/LoginPageTafResp.java
new file mode 100644 (file)
index 0000000..43aac66
--- /dev/null
+++ b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/taf/LoginPageTafResp.java
@@ -0,0 +1,100 @@
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.ccsdk
+ * ===========================================================================
+ * Copyright (c) 2023 AT&T Intellectual Property. All rights reserved.
+ * ===========================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END====================================================
+ *
+ */
+
+package org.onap.ccsdk.apps.cadi.taf;
+
+import java.io.IOException;
+import java.net.URI;
+import java.util.List;
+
+import jakarta.servlet.http.HttpServletResponse;
+
+import org.onap.ccsdk.apps.cadi.Access;
+import org.onap.ccsdk.apps.cadi.Locator;
+import org.onap.ccsdk.apps.cadi.Access.Level;
+import org.onap.ccsdk.apps.cadi.Locator.Item;
+
+public class LoginPageTafResp extends AbsTafResp {
+    private final HttpServletResponse httpResp;
+    private final String loginPageURL;
+
+    private LoginPageTafResp(Access access, final HttpServletResponse resp, String loginPageURL) {
+        super(access, "LoginPage","unknown", "Multiple Possible HTTP Logins available.  Redirecting to Login Choice Page");
+        httpResp = resp;
+        this.loginPageURL = loginPageURL;
+    }
+
+    @Override
+    public RESP authenticate() throws IOException {
+        httpResp.sendRedirect(loginPageURL);
+        return RESP.HTTP_REDIRECT_INVOKED;
+    }
+
+    @Override
+    public RESP isAuthenticated() {
+        return RESP.TRY_AUTHENTICATING;
+    }
+
+    public static TafResp create(Access access, Locator<URI> locator, final HttpServletResponse resp, List<Redirectable> redirectables) {
+        if (locator == null) {
+            if (!redirectables.isEmpty()) {
+                access.log(Level.DEBUG,"LoginPage Locator is not configured. Taking first Redirectable Taf");
+                return redirectables.get(0);
+            }
+            return NullTafResp.singleton();
+        }
+
+        try {
+            Item item = locator.best();
+            URI uri = locator.get(item);
+            if (uri == null) {
+                return NullTafResp.singleton();
+            }
+
+            StringBuilder sb = new StringBuilder(uri.toString());
+            String query = uri.getQuery();
+            boolean first = ((query == null) || (query.length() == 0));
+            for (Redirectable redir : redirectables) {
+                if (first) {
+                    sb.append('?');
+                    first = false;
+                }
+                else {
+                    sb.append('&');
+                }
+                sb.append(redir.get());
+            }
+            if (!redirectables.isEmpty()) {
+                return new LoginPageTafResp(access, resp, sb.toString());
+            }
+        } catch (Exception e) {
+            access.log(e, "Error deriving Login Page location");
+        }
+
+        return NullTafResp.singleton();
+    }
+
+    @Override
+    public String taf() {
+        return "LoginPage";
+    }
+
+}