1 files changed, 96 insertions, 0 deletions
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
new file mode 100644
index 00000000..172d74a7
--- /dev/null
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/builder/attributes/BpkAttributeBuilder.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2017 Graz University of Technology EAAF-Core Components has been developed in a
+ * cooperation between EGIZ, A-SIT Plus, A-SIT, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.2 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:
+ * https://joinup.ec.europa.eu/news/understanding-eupl-v12
+ *
+ * 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.idp.builder.attributes;
+
+import javax.annotation.Nonnull;
+
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.util.Assert;
+
+import at.gv.egiz.eaaf.core.api.data.EaafConstants;
+import at.gv.egiz.eaaf.core.api.idp.IAttributeGenerator;
+import at.gv.egiz.eaaf.core.api.idp.IAuthData;
+import at.gv.egiz.eaaf.core.api.idp.IPvpAttributeBuilder;
+import at.gv.egiz.eaaf.core.api.idp.ISpConfiguration;
+import at.gv.egiz.eaaf.core.exceptions.AttributeBuilderException;
+import at.gv.egiz.eaaf.core.exceptions.UnavailableAttributeException;
+
+@PvpMetadata
+public class BpkAttributeBuilder implements IPvpAttributeBuilder {
+
+  private static final Logger log = LoggerFactory.getLogger(BpkAttributeBuilder.class);
+  public static final String DELIMITER_BPKTYPE_BPK = ":";
+
+  @Override
+  public String getName() {
+    return BPK_NAME;
+  }
+
+  @Override
+  public <ATT> ATT build(final ISpConfiguration oaParam, final IAuthData authData,
+      final IAttributeGenerator<ATT> g) throws AttributeBuilderException {
+    final String result = getBpkForSP(authData);
+    log.trace("Authenticate user with bPK/wbPK: " + result);
+    return g.buildStringAttribute(BPK_FRIENDLY_NAME, BPK_NAME, result);
+
+  }
+
+  @Override
+  public <ATT> ATT buildEmpty(final IAttributeGenerator<ATT> g) {
+    return g.buildEmptyAttribute(BPK_FRIENDLY_NAME, BPK_NAME);
+  }
+
+  protected String getBpkForSP(final IAuthData authData) throws UnavailableAttributeException {
+    final String bpk = attrMaxSize(authData.getBpk());
+    final String type = removeBpkTypePrefix(authData.getBpkType());
+
+    if (StringUtils.isEmpty(bpk)) {
+      throw new UnavailableAttributeException(BPK_NAME);
+    }
+
+    return type + DELIMITER_BPKTYPE_BPK + bpk;
+
+  }
+
+  protected String attrMaxSize(String attr) {
+    if (attr != null && attr.length() > BPK_MAX_LENGTH) {
+      attr = attr.substring(0, BPK_MAX_LENGTH);
+    }
+    return attr;
+
+  }
+
+  @Nonnull
+  protected String removeBpkTypePrefix(@Nonnull final String type) {
+    Assert.isTrue(type != null, "bPKType is 'NULL'");
+    if (type.startsWith(EaafConstants.URN_PREFIX_WBPK)) {
+      return type.substring(EaafConstants.URN_PREFIX_WBPK.length());
+    } else if (type.startsWith(EaafConstants.URN_PREFIX_CDID)) {
+      return type.substring(EaafConstants.URN_PREFIX_CDID.length());
+    } else if (type.startsWith(EaafConstants.URN_PREFIX_EIDAS)) {
+      return type.substring(EaafConstants.URN_PREFIX_EIDAS.length());
+    } else {
+      return type;
+    }
+
+  }
+}