From 759ac5f42c6aff901dbeede4fbf1a1d2e08cad0f Mon Sep 17 00:00:00 2001
From: Thomas Lenz <thomas.lenz@egiz.gv.at>
Date: Wed, 4 Dec 2019 19:43:32 +0100
Subject: common EGIZ code-style refactoring

---
 .../at/gv/egiz/eaaf/core/impl/utils/HttpUtils.java | 119 +++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/HttpUtils.java

(limited to 'eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/HttpUtils.java')

diff --git a/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/HttpUtils.java b/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/HttpUtils.java
new file mode 100644
index 00000000..394d2843
--- /dev/null
+++ b/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/HttpUtils.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2014 Federal Chancellery Austria MOA-ID has been developed in a cooperation between
+ * BRZ, the Federal Chancellery Austria - ICT staff unit, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by the European
+ * Commission - subsequent versions of the EUPL (the "Licence"); You may not use this work except in
+ * compliance with the Licence. You may obtain a copy of the Licence at: http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the Licence
+ * is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the Licence for the specific language governing permissions and limitations under
+ * the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text file for details on the
+ * various modules and licenses. The "NOTICE" text file is part of the distribution. Any derivative
+ * works that you distribute must include a readable copy of the "NOTICE" text file.
+*/
+
+package at.gv.egiz.eaaf.core.impl.utils;
+
+import javax.servlet.http.HttpServletRequest;
+import org.apache.commons.lang3.StringUtils;
+
+
+
+public class HttpUtils {
+
+
+  /**
+   * Helper method to retrieve server URL including context path.
+   *
+   * @param request HttpServletRequest
+   * @return Server URL including context path (e.g. http://localhost:8443/moa-id-auth
+   */
+  public static String getBaseUrl(final HttpServletRequest request) {
+    final StringBuffer buffer = new StringBuffer(getServerUrl(request));
+
+    // add context path if available
+    final String contextPath = request.getContextPath();
+    if (!StringUtils.isEmpty(contextPath)) {
+      buffer.append(contextPath);
+    }
+
+    return buffer.toString();
+  }
+
+  /**
+   * Helper method to retrieve server URL.
+   *
+   * @param request HttpServletRequest
+   * @return Server URL (e.g. http://localhost:8443)
+   */
+  public static String getServerUrl(final HttpServletRequest request) {
+    final StringBuffer buffer = new StringBuffer();
+
+    // get protocol
+    final String protocol = request.getScheme();
+    buffer.append(protocol).append("://");
+
+    // server name
+    buffer.append(request.getServerName());
+
+    // add port if necessary
+    final int port = request.getServerPort();
+    if ((protocol.equals("http") && port != 80) || (protocol.equals("https") && port != 443)) {
+      buffer.append(':');
+      buffer.append(port);
+    }
+
+    return buffer.toString();
+  }
+
+  /**
+   * Extract the IDP PublicURLPrefix from authrequest.
+   *
+   * @param req HttpServletRequest
+   * @return PublicURLPrefix which ends always without /
+   */
+  public static String extractAuthUrlFromRequest(final HttpServletRequest req) {
+    String authUrl = req.getScheme() + "://" + req.getServerName();
+    if ((req.getScheme().equalsIgnoreCase("https") && req.getServerPort() != 443)
+        || (req.getScheme().equalsIgnoreCase("http") && req.getServerPort() != 80)) {
+      authUrl = authUrl.concat(":" + req.getServerPort());
+    }
+    authUrl = authUrl.concat(req.getContextPath());
+    return authUrl;
+
+  }
+
+  /**
+   * Extract the IDP requested URL from authrequest.
+   *
+   * @param req HttpServletRequest
+   * @return RequestURL which ends always without /
+   */
+  public static String extractAuthServletPathFromRequest(final HttpServletRequest req) {
+    return extractAuthUrlFromRequest(req).concat(req.getServletPath());
+
+  }
+
+  /**
+   * Add a http GET parameter to URL.
+   *
+   * @param url URL
+   * @param paramname Name of the parameter.
+   * @param paramvalue Value of the parameter.
+   * @return
+   */
+  public static String addUrlParameter(final String url, final String paramname,
+      final String paramvalue) {
+    final String param = paramname + "=" + paramvalue;
+    if (url.indexOf("?") < 0) {
+      return url + "?" + param;
+    } else {
+      return url + "&" + param;
+    }
+  }
+
+}
-- 
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