From b7bb75a4b642df6b8ce1c84cf5d4f8fea5d986b0 Mon Sep 17 00:00:00 2001
From: Thomas Lenz <thomas.lenz@egiz.gv.at>
Date: Mon, 18 Feb 2019 10:07:40 +0100
Subject: add demo-mode functionality for 'Austria eID'

---
 .../builder/attributes/BPKAttributeBuilder.java    | 71 ++++++++++++++++------
 1 file changed, 53 insertions(+), 18 deletions(-)

(limited to 'eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/builder/attributes/BPKAttributeBuilder.java')

diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/builder/attributes/BPKAttributeBuilder.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/builder/attributes/BPKAttributeBuilder.java
index 261fd211..a5c1e7d4 100644
--- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/builder/attributes/BPKAttributeBuilder.java
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/builder/attributes/BPKAttributeBuilder.java
@@ -41,7 +41,8 @@ import at.gv.egiz.eaaf.core.exceptions.UnavailableAttributeException;
 @PVPMETADATA
 public class BPKAttributeBuilder implements IPVPAttributeBuilder {
 	
-	private static final Logger log = LoggerFactory.getLogger(BPKAttributeBuilder.class);
+	private static final Logger log = LoggerFactory.getLogger(BPKAttributeBuilder.class);	
+	protected static final String DELIMITER_BPKTYPE_BPK = ":";
 	
 	public String getName() {
 		return BPK_NAME;
@@ -49,32 +50,66 @@ public class BPKAttributeBuilder implements IPVPAttributeBuilder {
 	
 	public <ATT> ATT build(ISPConfiguration oaParam, IAuthData authData,
 			IAttributeGenerator<ATT> g) throws AttributeBuilderException {
-		String bpk = authData.getBPK();
-		String type = authData.getBPKType();
+		String result = getBpkForSP(authData);				
+		log.trace("Authenticate user with bPK/wbPK: " + result);		
+		return g.buildStringAttribute(BPK_FRIENDLY_NAME, BPK_NAME, result);
+		
+	}
+	
+	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
+		return g.buildEmptyAttribute(BPK_FRIENDLY_NAME, BPK_NAME);
+	}
+	
+	/**
+	 * Generate the bPK String for this specific SP
+	 * 
+	 * @param authData
+	 * @return
+	 * @throws UnavailableAttributeException
+	 */
+	protected String getBpkForSP(IAuthData authData) throws UnavailableAttributeException {
+		String bpk = attrMaxSize(authData.getBPK());
+		String type = removeBpkTypePrefix(authData.getBPKType());
 		
 		if (StringUtils.isEmpty(bpk))
 			throw new UnavailableAttributeException(BPK_NAME);
-			
+								
+		return type + DELIMITER_BPKTYPE_BPK + bpk;
+		
+	}
+	
+	/**
+	 * Limit the attribute value to maximum size
+	 * 
+	 * @param attr
+	 * @return
+	 */
+	protected String attrMaxSize(String attr) {
+		if (attr != null && attr.length() > BPK_MAX_LENGTH) {
+			attr = attr.substring(0, BPK_MAX_LENGTH);
+		}
+		return attr;
+		
+	}
+	
+	/**
+	 * Remove bPKType prefix if available
+	 * 
+	 * @param type
+	 * @return
+	 */
+	protected String removeBpkTypePrefix(String type) {
 		if (type.startsWith(EAAFConstants.URN_PREFIX_WBPK))
-			type = type.substring((EAAFConstants.URN_PREFIX_WBPK).length());
+			return type.substring((EAAFConstants.URN_PREFIX_WBPK).length());
 		
 		else if (type.startsWith(EAAFConstants.URN_PREFIX_CDID)) 
-			type = type.substring((EAAFConstants.URN_PREFIX_CDID).length());
+			return type.substring((EAAFConstants.URN_PREFIX_CDID).length());
 		
 		else if (type.startsWith(EAAFConstants.URN_PREFIX_EIDAS)) 
-			type = type.substring((EAAFConstants.URN_PREFIX_EIDAS).length());
-		
-		if (bpk.length() > BPK_MAX_LENGTH) {
-			bpk = bpk.substring(0, BPK_MAX_LENGTH);
-		}
+			return type.substring((EAAFConstants.URN_PREFIX_EIDAS).length());
 		
-		log.trace("Authenticate user with bPK/wbPK " + bpk + " and Type=" + type);
+		else
+			return type;
 		
-		return g.buildStringAttribute(BPK_FRIENDLY_NAME, BPK_NAME, type + ":" + bpk);
 	}
-	
-	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
-		return g.buildEmptyAttribute(BPK_FRIENDLY_NAME, BPK_NAME);
-	}
-	
 }
-- 
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