Source Code Cross Referenced for GeneralName.java in  » Security » Bouncy-Castle » org » bouncycastle » asn1 » x509 » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Security » Bouncy Castle » org.bouncycastle.asn1.x509 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package org.bouncycastle.asn1.x509;
002:
003:        import org.bouncycastle.asn1.ASN1Choice;
004:        import org.bouncycastle.asn1.ASN1Encodable;
005:        import org.bouncycastle.asn1.ASN1OctetString;
006:        import org.bouncycastle.asn1.ASN1Sequence;
007:        import org.bouncycastle.asn1.ASN1TaggedObject;
008:        import org.bouncycastle.asn1.DEREncodable;
009:        import org.bouncycastle.asn1.DERIA5String;
010:        import org.bouncycastle.asn1.DERObject;
011:        import org.bouncycastle.asn1.DERObjectIdentifier;
012:        import org.bouncycastle.asn1.DEROctetString;
013:        import org.bouncycastle.asn1.DERTaggedObject;
014:        import org.bouncycastle.util.IPAddress;
015:        import org.bouncycastle.util.Strings;
016:
017:        /**
018:         * The GeneralName object.
019:         * <pre>
020:         * GeneralName ::= CHOICE {
021:         *      otherName                       [0]     OtherName,
022:         *      rfc822Name                      [1]     IA5String,
023:         *      dNSName                         [2]     IA5String,
024:         *      x400Address                     [3]     ORAddress,
025:         *      directoryName                   [4]     Name,
026:         *      ediPartyName                    [5]     EDIPartyName,
027:         *      uniformResourceIdentifier       [6]     IA5String,
028:         *      iPAddress                       [7]     OCTET STRING,
029:         *      registeredID                    [8]     OBJECT IDENTIFIER}
030:         *
031:         * OtherName ::= SEQUENCE {
032:         *      type-id    OBJECT IDENTIFIER,
033:         *      value      [0] EXPLICIT ANY DEFINED BY type-id }
034:         *
035:         * EDIPartyName ::= SEQUENCE {
036:         *      nameAssigner            [0]     DirectoryString OPTIONAL,
037:         *      partyName               [1]     DirectoryString }
038:         * 
039:         * Name ::= CHOICE { RDNSequence }
040:         * </pre>
041:         */
042:        public class GeneralName extends ASN1Encodable implements  ASN1Choice {
043:            public static final int otherName = 0;
044:            public static final int rfc822Name = 1;
045:            public static final int dNSName = 2;
046:            public static final int x400Address = 3;
047:            public static final int directoryName = 4;
048:            public static final int ediPartyName = 5;
049:            public static final int uniformResourceIdentifier = 6;
050:            public static final int iPAddress = 7;
051:            public static final int registeredID = 8;
052:
053:            DEREncodable obj;
054:            int tag;
055:
056:            public GeneralName(X509Name dirName) {
057:                this .obj = dirName;
058:                this .tag = 4;
059:            }
060:
061:            /**
062:             * @deprecated this constructor seems the wrong way round! Use GeneralName(tag, name).
063:             */
064:            public GeneralName(DERObject name, int tag) {
065:                this .obj = name;
066:                this .tag = tag;
067:            }
068:
069:            /**
070:             * When the subjectAltName extension contains an Internet mail address,
071:             * the address MUST be included as an rfc822Name. The format of an
072:             * rfc822Name is an "addr-spec" as defined in RFC 822 [RFC 822].
073:             *
074:             * When the subjectAltName extension contains a domain name service
075:             * label, the domain name MUST be stored in the dNSName (an IA5String).
076:             * The name MUST be in the "preferred name syntax," as specified by RFC
077:             * 1034 [RFC 1034].
078:             *
079:             * When the subjectAltName extension contains a URI, the name MUST be
080:             * stored in the uniformResourceIdentifier (an IA5String). The name MUST
081:             * be a non-relative URL, and MUST follow the URL syntax and encoding
082:             * rules specified in [RFC 1738].  The name must include both a scheme
083:             * (e.g., "http" or "ftp") and a scheme-specific-part.  The scheme-
084:             * specific-part must include a fully qualified domain name or IP
085:             * address as the host.
086:             *
087:             * When the subjectAltName extension contains a iPAddress, the address
088:             * MUST be stored in the octet string in "network byte order," as
089:             * specified in RFC 791 [RFC 791]. The least significant bit (LSB) of
090:             * each octet is the LSB of the corresponding byte in the network
091:             * address. For IP Version 4, as specified in RFC 791, the octet string
092:             * MUST contain exactly four octets.  For IP Version 6, as specified in
093:             * RFC 1883, the octet string MUST contain exactly sixteen octets [RFC
094:             * 1883].
095:             */
096:            public GeneralName(int tag, ASN1Encodable name) {
097:                this .obj = name;
098:                this .tag = tag;
099:            }
100:
101:            /**
102:             * Create a GeneralName for the given tag from the passed in String.
103:             * <p>
104:             * This constructor can handle:
105:             * <ul>
106:             * <li>rfc822Name
107:             * <li>iPAddress
108:             * <li>directoryName
109:             * <li>dNSName
110:             * <li>uniformResourceIdentifier
111:             * <li>registeredID
112:             * </ul>
113:             * For x400Address, otherName and ediPartyName there is no common string
114:             * format defined.
115:             * <p>
116:             * Note: A directory name can be encoded in different ways into a byte
117:             * representation. Be aware of this if the byte representation is used for
118:             * comparing results.
119:             *
120:             * @param tag tag number
121:             * @param name string representation of name
122:             * @throws IllegalArgumentException if the string encoding is not correct or     *             not supported.
123:             */
124:            public GeneralName(int tag, String name) {
125:                this .tag = tag;
126:
127:                if (tag == rfc822Name || tag == dNSName
128:                        || tag == uniformResourceIdentifier) {
129:                    this .obj = new DERIA5String(name);
130:                } else if (tag == registeredID) {
131:                    this .obj = new DERObjectIdentifier(name);
132:                } else if (tag == directoryName) {
133:                    this .obj = new X509Name(name);
134:                } else if (tag == iPAddress) {
135:                    if (IPAddress.isValid(name)) {
136:                        this .obj = new DEROctetString(Strings
137:                                .toUTF8ByteArray(name));
138:                    } else {
139:                        throw new IllegalArgumentException(
140:                                "IP Address is invalid");
141:                    }
142:                } else {
143:                    throw new IllegalArgumentException(
144:                            "can't process String for tag: " + tag);
145:                }
146:            }
147:
148:            public static GeneralName getInstance(Object obj) {
149:                if (obj == null || obj instanceof  GeneralName) {
150:                    return (GeneralName) obj;
151:                }
152:
153:                if (obj instanceof  ASN1TaggedObject) {
154:                    ASN1TaggedObject tagObj = (ASN1TaggedObject) obj;
155:                    int tag = tagObj.getTagNo();
156:
157:                    switch (tag) {
158:                    case otherName:
159:                        return new GeneralName(tag, ASN1Sequence.getInstance(
160:                                tagObj, false));
161:                    case rfc822Name:
162:                        return new GeneralName(tag, DERIA5String.getInstance(
163:                                tagObj, false));
164:                    case dNSName:
165:                        return new GeneralName(tag, DERIA5String.getInstance(
166:                                tagObj, false));
167:                    case x400Address:
168:                        throw new IllegalArgumentException("unknown tag: "
169:                                + tag);
170:                    case directoryName:
171:                        return new GeneralName(tag, ASN1Sequence.getInstance(
172:                                tagObj, true));
173:                    case ediPartyName:
174:                        return new GeneralName(tag, ASN1Sequence.getInstance(
175:                                tagObj, false));
176:                    case uniformResourceIdentifier:
177:                        return new GeneralName(tag, DERIA5String.getInstance(
178:                                tagObj, false));
179:                    case iPAddress:
180:                        return new GeneralName(tag, ASN1OctetString
181:                                .getInstance(tagObj, false));
182:                    case registeredID:
183:                        return new GeneralName(tag, DERObjectIdentifier
184:                                .getInstance(tagObj, false));
185:                    }
186:                }
187:
188:                throw new IllegalArgumentException(
189:                        "unknown object in getInstance");
190:            }
191:
192:            public static GeneralName getInstance(ASN1TaggedObject tagObj,
193:                    boolean explicit) {
194:                return GeneralName.getInstance(ASN1TaggedObject.getInstance(
195:                        tagObj, true));
196:            }
197:
198:            public int getTagNo() {
199:                return tag;
200:            }
201:
202:            public DEREncodable getName() {
203:                return obj;
204:            }
205:
206:            public String toString() {
207:                StringBuffer buf = new StringBuffer();
208:
209:                buf.append(tag);
210:                buf.append(": ");
211:                switch (tag) {
212:                case rfc822Name:
213:                case dNSName:
214:                case uniformResourceIdentifier:
215:                    buf.append(DERIA5String.getInstance(obj).getString());
216:                    break;
217:                case directoryName:
218:                    buf.append(X509Name.getInstance(obj).toString());
219:                    break;
220:                default:
221:                    buf.append(obj.toString());
222:                }
223:                return buf.toString();
224:            }
225:
226:            public DERObject toASN1Object() {
227:                if (tag == directoryName) // directoryName is explicitly tagged as it is a CHOICE
228:                {
229:                    return new DERTaggedObject(true, tag, obj);
230:                } else {
231:                    return new DERTaggedObject(false, tag, obj);
232:                }
233:            }
234:        }
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