From 82ac1e7f41182a976d2c734a898936767c987cc8 Mon Sep 17 00:00:00 2001
From: Thomas Lenz <thomas.lenz@egiz.gv.at>
Date: Mon, 6 Jul 2020 21:07:07 +0200
Subject: update SP-Identifier for Applikation-Register communication to
 combination of MOA EntityID and PublicUrlPrefix to make applications unique
 on AppReg side

---
 .../eidproxyauth/EIDProxyAuthConstants.java        |   4 +
 .../EidAppRegIdentifierGenerationController.java   | 113 +++++++++++++++++++++
 .../eidproxyauth/tasks/CreateAuthnRequestTask.java |   3 +-
 .../id/auth/modules/eidproxyauth/utils/Utils.java  |  18 ++++
 .../main/resources/moaid_EID_connector.beans.xml   |   5 +-
 .../resources/templates/appreg_id_generator.html   |  44 ++++++++
 6 files changed, 185 insertions(+), 2 deletions(-)
 create mode 100644 id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/controller/EidAppRegIdentifierGenerationController.java
 create mode 100644 id/server/modules/moa-id-module-E-ID_connector/src/main/resources/templates/appreg_id_generator.html

(limited to 'id/server/modules/moa-id-module-E-ID_connector')

diff --git a/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/EIDProxyAuthConstants.java b/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/EIDProxyAuthConstants.java
index b057ecaf8..1791c1caf 100644
--- a/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/EIDProxyAuthConstants.java
+++ b/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/EIDProxyAuthConstants.java
@@ -45,6 +45,7 @@ public class EIDProxyAuthConstants {
 	public static final String ENDPOINT_POST = "/sp/eid/post";
 	public static final String ENDPOINT_REDIRECT = "/sp/eid/redirect";
 	public static final String ENDPOINT_METADATA = "/sp/eid/metadata";
+	public static final String ENDPOINT_APPREG_INFO = "/eid/getappregid";
 
 	public static final String CONFIG_PROPS_PREFIX = "modules.eidproxyauth.";	
 	public static final String CONFIG_PROPS_KEYSTORE = CONFIG_PROPS_PREFIX + "keystore.path";
@@ -61,6 +62,9 @@ public class EIDProxyAuthConstants {
 	public static final String CONFIG_PROPS_REQUIRED_PVP_ATTRIBUTES_LIST = CONFIG_PROPS_PREFIX + "required.additional.attributes";
 	public static final String CONFIG_PROPS_DISABLE_PROCESS_ENFORCEMENT = CONFIG_PROPS_PREFIX + "enforce.process.disabled";
 	
+	public static final String CONFIG_PROPS_ENABLE_APPREG_IDENTIFIER_GENERATION_ENDPOINT = 
+			CONFIG_PROPS_PREFIX + "endpoint.appreginfo.enable";
+	
 	public static final String CONFIG_DEFAULT_LOA_EIDAS_LEVEL = EAAFConstants.EIDAS_LOA_HIGH;	
 	public static final List<Trible<String, String, Boolean>> DEFAULT_REQUIRED_PVP_ATTRIBUTES = 
 			Collections.unmodifiableList(new ArrayList<Trible<String, String, Boolean>>() {
diff --git a/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/controller/EidAppRegIdentifierGenerationController.java b/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/controller/EidAppRegIdentifierGenerationController.java
new file mode 100644
index 000000000..091feb7fc
--- /dev/null
+++ b/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/controller/EidAppRegIdentifierGenerationController.java
@@ -0,0 +1,113 @@
+package at.gv.egovernment.moa.id.auth.modules.eidproxyauth.controller;
+
+import java.io.IOException;
+import java.net.URL;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+import at.gv.egiz.eaaf.core.api.gui.IGUIFormBuilder;
+import at.gv.egiz.eaaf.core.exceptions.EAAFException;
+import at.gv.egiz.eaaf.core.exceptions.GUIBuildException;
+import at.gv.egiz.eaaf.core.exceptions.InvalidProtocolRequestException;
+import at.gv.egiz.eaaf.core.impl.idp.controller.AbstractController;
+import at.gv.egiz.eaaf.core.impl.utils.HTTPUtils;
+import at.gv.egovernment.moa.id.auth.exception.WrongParametersException;
+import at.gv.egovernment.moa.id.auth.frontend.builder.DefaultGUIFormBuilderConfiguration;
+import at.gv.egovernment.moa.id.auth.modules.eidproxyauth.EIDProxyAuthConstants;
+import at.gv.egovernment.moa.id.auth.modules.eidproxyauth.utils.Utils;
+import at.gv.egovernment.moa.id.commons.MOAIDAuthConstants;
+import at.gv.egovernment.moa.id.commons.api.IOAAuthParameters;
+import at.gv.egovernment.moa.id.util.ParamValidatorUtils;
+import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.util.MiscUtil;
+
+@Controller
+public class EidAppRegIdentifierGenerationController extends AbstractController {
+	
+	private static final String GUI_TEMPLATE_APPREG_ID = "appreg_id_generator.html";
+	
+	@Autowired IGUIFormBuilder guiBuilder;
+	
+	
+	@RequestMapping(value = EIDProxyAuthConstants.ENDPOINT_APPREG_INFO, 
+			method = {RequestMethod.GET})
+	public void getAppRegSpId(HttpServletRequest req, HttpServletResponse resp) throws IOException, EAAFException {
+		if (!authConfig.getBasicConfigurationBoolean(
+				EIDProxyAuthConstants.CONFIG_PROPS_ENABLE_APPREG_IDENTIFIER_GENERATION_ENDPOINT, true)) {
+			Logger.info("Endpoint: " + EIDProxyAuthConstants.ENDPOINT_APPREG_INFO + " DISABLED!");
+			resp.setStatus(HttpStatus.FORBIDDEN.value());
+			return;
+			
+		}
+		
+		String authUrl;
+		DefaultGUIFormBuilderConfiguration config;
+		try {
+			String authUrlString = HTTPUtils.extractAuthURLFromRequest(req);
+			URL authReqURL = new URL(authUrlString);
+			authUrl = authConfig.validateIDPURL(authReqURL);	
+			config = new DefaultGUIFormBuilderConfiguration(
+					authUrl, 
+					GUI_TEMPLATE_APPREG_ID, 
+					null);
+			
+		} catch (Exception e) {	
+			Logger.warn("Bad request on: " + EIDProxyAuthConstants.ENDPOINT_APPREG_INFO, e);
+			resp.setStatus(HttpStatus.BAD_REQUEST.value());
+			resp.getWriter().write(e.getMessage());
+			return;			
+			
+		}
+		
+		
+		try {
+			String oaURL = req.getParameter(MOAIDAuthConstants.PARAM_OA);
+			if (MiscUtil.isEmpty(oaURL)) {
+				Logger.info("Receive OA parameter in SAML1 like request. Can not generate AppReg Identifier");
+				throw new WrongParametersException(EIDProxyAuthConstants.ENDPOINT_APPREG_INFO, MOAIDAuthConstants.PARAM_OA,
+						"auth.12");
+				
+			}
+			
+			if (!ParamValidatorUtils.isValidOA(oaURL))
+				throw new WrongParametersException(EIDProxyAuthConstants.ENDPOINT_APPREG_INFO, MOAIDAuthConstants.PARAM_OA,
+						"auth.12");
+			
+			IOAAuthParameters oaParam = authConfig.getServiceProviderConfiguration(oaURL, IOAAuthParameters.class);			
+			if (oaParam == null) {
+				Logger.info("No configuration for application with ID: " + oaURL);
+				throw new InvalidProtocolRequestException("auth.00",new Object[] { null });
+			
+			}
+			
+			String appRegId = Utils.getEidSystemApplicationId(oaParam, authUrl);					
+			config.putCustomParameterWithOutEscaption(null, "appregId", appRegId);			
+			guiBuilder.build(req, resp, config, "AppReg Id generation GUI");
+						
+			
+		} catch (Exception e) {
+			Logger.warn("Can not build AppReg Identifier", e);			
+			config.putCustomParameterWithOutEscaption(null, "error", e.getMessage());			
+			try {
+				guiBuilder.build(req, resp, config, "AppReg Id generation GUI");
+				
+			} catch (GUIBuildException e1) {
+				Logger.error("Internal server error", e);
+				resp.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());
+				
+			}
+						
+		}
+		
+		
+	}
+	
+	
+}
diff --git a/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/tasks/CreateAuthnRequestTask.java b/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/tasks/CreateAuthnRequestTask.java
index 38a7c4add..177103051 100644
--- a/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/tasks/CreateAuthnRequestTask.java
+++ b/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/tasks/CreateAuthnRequestTask.java
@@ -112,7 +112,8 @@ public class CreateAuthnRequestTask extends AbstractAuthServletTask {
 			authnReqConfig.setPassive(false);
 			authnReqConfig.setSignCred(credential.getIDPAssertionSigningCredential());
 			authnReqConfig.setSPEntityID(pendingReq.getAuthURL() + EIDProxyAuthConstants.ENDPOINT_METADATA);						
-			authnReqConfig.setScopeRequesterId(pendingReq.getServiceProviderConfiguration().getUniqueIdentifier());
+			authnReqConfig.setScopeRequesterId(
+					Utils.getEidSystemApplicationId(pendingReq.getServiceProviderConfiguration(), pendingReq.getAuthURL()));
 					
 			//build and transmit AuthnRequest
 			authnReqBuilder.buildAuthnRequest(pendingReq, authnReqConfig , response);
diff --git a/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/utils/Utils.java b/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/utils/Utils.java
index cd578d373..fefd3ec73 100644
--- a/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/utils/Utils.java
+++ b/id/server/modules/moa-id-module-E-ID_connector/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidproxyauth/utils/Utils.java
@@ -14,6 +14,24 @@ import at.gv.egovernment.moa.logging.Logger;
 
 public class Utils {
 
+	public static final String PARAM_APPREG_SP_ID = "?sp=";
+	
+	public static String getEidSystemApplicationId(ISPConfiguration spConfiguration, String authUrl) {
+		StringBuilder builder = new StringBuilder();
+		if (authUrl.endsWith("/")) {
+			builder.append(authUrl.substring(0, authUrl.length() - 1));
+			
+		} else {
+			builder.append(authUrl);
+			
+		}		
+		builder.append(EIDProxyAuthConstants.ENDPOINT_METADATA);
+		builder.append(PARAM_APPREG_SP_ID);
+		builder.append(spConfiguration.getUniqueIdentifier());		
+		return builder.toString();
+		
+	}
+	
 	public static String getEIDSystemEntityId(ISPConfiguration spConfiguration, IConfiguration authConfig) {
 		//load from service-provider configuration
 		String msNodeEntityID = spConfiguration.getConfigurationValue(MOAIDConfigurationConstants.SERVICE_EXTERNAL_EID_SYSTEM_SERVICE_URL);
diff --git a/id/server/modules/moa-id-module-E-ID_connector/src/main/resources/moaid_EID_connector.beans.xml b/id/server/modules/moa-id-module-E-ID_connector/src/main/resources/moaid_EID_connector.beans.xml
index d5d255680..f357374cb 100644
--- a/id/server/modules/moa-id-module-E-ID_connector/src/main/resources/moaid_EID_connector.beans.xml
+++ b/id/server/modules/moa-id-module-E-ID_connector/src/main/resources/moaid_EID_connector.beans.xml
@@ -14,8 +14,11 @@
 	<bean id="EidAuthCredentialProvider"
 	      		class="at.gv.egovernment.moa.id.auth.modules.eidproxyauth.utils.EIDAuthCredentialProvider"/>
 
+	<bean 	id="appRegIdGenerationController"
+			class="at.gv.egovernment.moa.id.auth.modules.eidproxyauth.controller.EidAppRegIdentifierGenerationController" />
+
 	<bean	id="EidAuthMetadataController"
-				class="at.gv.egovernment.moa.id.auth.modules.eidproxyauth.controller.EIDAuthMetadataController"/>
+			class="at.gv.egovernment.moa.id.auth.modules.eidproxyauth.controller.EIDAuthMetadataController"/>
 				
 	<bean	id="EidAuthModuleImpl"
 				class="at.gv.egovernment.moa.id.auth.modules.eidproxyauth.EIDProxyAuthModuleImpl">
diff --git a/id/server/modules/moa-id-module-E-ID_connector/src/main/resources/templates/appreg_id_generator.html b/id/server/modules/moa-id-module-E-ID_connector/src/main/resources/templates/appreg_id_generator.html
new file mode 100644
index 000000000..d214d7663
--- /dev/null
+++ b/id/server/modules/moa-id-module-E-ID_connector/src/main/resources/templates/appreg_id_generator.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html> 
+<html>
+<head>
+	<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
+    <!-- MOA-ID 2.x BKUSelection Layout CSS -->               
+    <link rel="stylesheet" href="$contextPath/css/buildCSS" />
+    
+    <title>Application Id for Application-Register </title>   
+</head>
+
+
+<body>
+		<div id="page">
+
+			<div id="page1" class="case selected-case" role="main">
+
+				<div id="main">
+														
+					<div id="leftcontent" class="hell">										
+			            <div id="bku_header" class="dunkel">
+						  <h2 id="tabheader" class="dunkel" role="heading">
+							 Unique Identifier for Application-Register registration:							  
+						  </h2>
+			            </div>
+					
+						#if($error)
+	         			<div>
+		        			<p><b>Error:</b> $error</p> 
+	         			</div>	
+	        			#end
+					
+						#if($appregId)
+						<div id="selectArea" class="hell" role="application">
+							<p><b>Unique AppReg Id:</b> $appregId</p>											
+						</div>
+						#end
+																		
+					</div>
+										
+				</div>
+		</div>
+	</div>
+</body>
+</html>
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