diff options
author | David Hook <dgh@cryptoworkshop.com> | 2013-05-31 11:07:45 +0400 |
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committer | David Hook <dgh@cryptoworkshop.com> | 2013-05-31 11:07:45 +0400 |
commit | 2b976f5364cfdbc37d3086019d93483c983eb80b (patch) | |
tree | cb846af3fd1d43f9c2562a1fb2d06b997ad8f229 /core/src/main/java/org/bouncycastle/asn1/x509/IetfAttrSyntax.java | |
parent | 5f714bd92fbd780d22406f4bc3681be005f6f04a (diff) |
initial reshuffle
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/x509/IetfAttrSyntax.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/x509/IetfAttrSyntax.java | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/x509/IetfAttrSyntax.java b/core/src/main/java/org/bouncycastle/asn1/x509/IetfAttrSyntax.java new file mode 100644 index 00000000..5a701407 --- /dev/null +++ b/core/src/main/java/org/bouncycastle/asn1/x509/IetfAttrSyntax.java @@ -0,0 +1,189 @@ +package org.bouncycastle.asn1.x509; + +import java.util.Enumeration; +import java.util.Vector; + +import org.bouncycastle.asn1.ASN1Encodable; +import org.bouncycastle.asn1.ASN1EncodableVector; +import org.bouncycastle.asn1.ASN1Object; +import org.bouncycastle.asn1.ASN1ObjectIdentifier; +import org.bouncycastle.asn1.ASN1OctetString; +import org.bouncycastle.asn1.ASN1Primitive; +import org.bouncycastle.asn1.ASN1Sequence; +import org.bouncycastle.asn1.ASN1TaggedObject; +import org.bouncycastle.asn1.DEROctetString; +import org.bouncycastle.asn1.DERSequence; +import org.bouncycastle.asn1.DERTaggedObject; +import org.bouncycastle.asn1.DERUTF8String; + +/** + * Implementation of <code>IetfAttrSyntax</code> as specified by RFC3281. + */ +public class IetfAttrSyntax + extends ASN1Object +{ + public static final int VALUE_OCTETS = 1; + public static final int VALUE_OID = 2; + public static final int VALUE_UTF8 = 3; + GeneralNames policyAuthority = null; + Vector values = new Vector(); + int valueChoice = -1; + + public static IetfAttrSyntax getInstance(Object obj) + { + if (obj instanceof IetfAttrSyntax) + { + return (IetfAttrSyntax)obj; + } + if (obj != null) + { + return new IetfAttrSyntax(ASN1Sequence.getInstance(obj)); + } + + return null; + } + + /** + * + */ + private IetfAttrSyntax(ASN1Sequence seq) + { + int i = 0; + + if (seq.getObjectAt(0) instanceof ASN1TaggedObject) + { + policyAuthority = GeneralNames.getInstance(((ASN1TaggedObject)seq.getObjectAt(0)), false); + i++; + } + else if (seq.size() == 2) + { // VOMS fix + policyAuthority = GeneralNames.getInstance(seq.getObjectAt(0)); + i++; + } + + if (!(seq.getObjectAt(i) instanceof ASN1Sequence)) + { + throw new IllegalArgumentException("Non-IetfAttrSyntax encoding"); + } + + seq = (ASN1Sequence)seq.getObjectAt(i); + + for (Enumeration e = seq.getObjects(); e.hasMoreElements();) + { + ASN1Primitive obj = (ASN1Primitive)e.nextElement(); + int type; + + if (obj instanceof ASN1ObjectIdentifier) + { + type = VALUE_OID; + } + else if (obj instanceof DERUTF8String) + { + type = VALUE_UTF8; + } + else if (obj instanceof DEROctetString) + { + type = VALUE_OCTETS; + } + else + { + throw new IllegalArgumentException("Bad value type encoding IetfAttrSyntax"); + } + + if (valueChoice < 0) + { + valueChoice = type; + } + + if (type != valueChoice) + { + throw new IllegalArgumentException("Mix of value types in IetfAttrSyntax"); + } + + values.addElement(obj); + } + } + + public GeneralNames getPolicyAuthority() + { + return policyAuthority; + } + + public int getValueType() + { + return valueChoice; + } + + public Object[] getValues() + { + if (this.getValueType() == VALUE_OCTETS) + { + ASN1OctetString[] tmp = new ASN1OctetString[values.size()]; + + for (int i = 0; i != tmp.length; i++) + { + tmp[i] = (ASN1OctetString)values.elementAt(i); + } + + return tmp; + } + else if (this.getValueType() == VALUE_OID) + { + ASN1ObjectIdentifier[] tmp = new ASN1ObjectIdentifier[values.size()]; + + for (int i = 0; i != tmp.length; i++) + { + tmp[i] = (ASN1ObjectIdentifier)values.elementAt(i); + } + + return tmp; + } + else + { + DERUTF8String[] tmp = new DERUTF8String[values.size()]; + + for (int i = 0; i != tmp.length; i++) + { + tmp[i] = (DERUTF8String)values.elementAt(i); + } + + return tmp; + } + } + + /** + * + * <pre> + * + * IetfAttrSyntax ::= SEQUENCE { + * policyAuthority [0] GeneralNames OPTIONAL, + * values SEQUENCE OF CHOICE { + * octets OCTET STRING, + * oid OBJECT IDENTIFIER, + * string UTF8String + * } + * } + * + * </pre> + */ + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + if (policyAuthority != null) + { + v.add(new DERTaggedObject(0, policyAuthority)); + } + + ASN1EncodableVector v2 = new ASN1EncodableVector(); + + for (Enumeration i = values.elements(); i.hasMoreElements();) + { + v2.add((ASN1Encodable)i.nextElement()); + } + + v.add(new DERSequence(v2)); + + return new DERSequence(v); + } +} |