From fa2384985454568439dc286a6a9051fba47322ed Mon Sep 17 00:00:00 2001
From: Thomas Lenz <thomas.lenz@egiz.gv.at>
Date: Mon, 25 Jan 2021 16:30:07 +0100
Subject: add ID Austria communication-module and additional jUnit test It's
 first alpha-version of eIDAS MS-specific Proxy-Service with ID Austria
 authentication

---
 .../controller/IdAustriaAuthSignalController.java  | 94 ++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 eidas_modules/authmodule_id-austria/src/main/java/at/asitplus/eidas/specific/modules/auth/idaustria/controller/IdAustriaAuthSignalController.java

(limited to 'eidas_modules/authmodule_id-austria/src/main/java/at/asitplus/eidas/specific/modules/auth/idaustria/controller/IdAustriaAuthSignalController.java')

diff --git a/eidas_modules/authmodule_id-austria/src/main/java/at/asitplus/eidas/specific/modules/auth/idaustria/controller/IdAustriaAuthSignalController.java b/eidas_modules/authmodule_id-austria/src/main/java/at/asitplus/eidas/specific/modules/auth/idaustria/controller/IdAustriaAuthSignalController.java
new file mode 100644
index 00000000..2e7868fd
--- /dev/null
+++ b/eidas_modules/authmodule_id-austria/src/main/java/at/asitplus/eidas/specific/modules/auth/idaustria/controller/IdAustriaAuthSignalController.java
@@ -0,0 +1,94 @@
+package at.asitplus.eidas.specific.modules.auth.idaustria.controller;
+
+import java.io.IOException;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.text.StringEscapeUtils;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+import at.asitplus.eidas.specific.modules.auth.idaustria.IdAustriaAuthConstants;
+import at.gv.egiz.eaaf.core.exceptions.EaafException;
+import at.gv.egiz.eaaf.core.impl.idp.controller.AbstractProcessEngineSignalController;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * Controller that receives the response from ID Austria system.
+ *
+ * @author tlenz
+ *
+ */
+@Slf4j
+@Controller
+public class IdAustriaAuthSignalController extends AbstractProcessEngineSignalController {
+
+  public static final String HTTP_PARAM_RELAYSTATE = "RelayState";
+
+  /**
+   * Default constructor with logging.
+   *
+   */
+  public IdAustriaAuthSignalController() {
+    super();
+    log.debug("Registering servlet " + getClass().getName()
+        + " with mappings '" + IdAustriaAuthConstants.ENDPOINT_POST
+        + "' and '" + IdAustriaAuthConstants.ENDPOINT_REDIRECT + "'.");
+
+  }
+
+  /**
+   * HTTP end-point for incoming SAML2 Respone from ID Austrian System.
+   *
+   * @param req HTTP request
+   * @param resp HTTP response
+   * @throws IOException In case of a HTTP communication error
+   * @throws EaafException In case of a state-validation problem
+   */
+  @RequestMapping(value = { IdAustriaAuthConstants.ENDPOINT_POST,
+      IdAustriaAuthConstants.ENDPOINT_REDIRECT },
+      method = { RequestMethod.POST, RequestMethod.GET })
+  public void performEidasAuthentication(HttpServletRequest req, HttpServletResponse resp)
+      throws IOException, EaafException {
+    signalProcessManagement(req, resp);
+
+  }
+
+  /**
+   * Read the PendingRequestId from SAML2 RelayState parameter.
+   */
+  @Override
+  public String getPendingRequestId(HttpServletRequest request) {
+    String relayState = StringEscapeUtils.escapeHtml4(request.getParameter(HTTP_PARAM_RELAYSTATE));
+    if (StringUtils.isNotEmpty(relayState)) {
+      try {
+        String pendingReqId = transactionStorage.get(relayState, String.class);
+        if (StringUtils.isNotEmpty(pendingReqId)) {
+          
+          return pendingReqId;  
+          
+        } else {
+          log.info("SAML2 RelayState from request is unknown. Can NOT restore session ... ");
+          
+        }
+                                
+      } catch (EaafException e) {
+        log.error("Can NOT map SAML2 RelayState to pendingRequestId", e);
+        
+      } finally {
+        transactionStorage.remove(relayState);
+        
+      }
+      
+    } else {
+      log.info("No SAML2 relaystate. Can NOT restore session ... ");
+      
+    }
+        
+    return null; 
+
+  }
+}
-- 
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