diff options
Diffstat (limited to 'libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/x500/style/IETFUtils.java')
| -rw-r--r-- | libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/x500/style/IETFUtils.java | 572 |
1 files changed, 0 insertions, 572 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/x500/style/IETFUtils.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/x500/style/IETFUtils.java deleted file mode 100644 index 14961e4c9..000000000 --- a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/x500/style/IETFUtils.java +++ /dev/null @@ -1,572 +0,0 @@ -package org.spongycastle.asn1.x500.style; - -import java.io.IOException; -import java.util.Enumeration; -import java.util.Hashtable; -import java.util.Vector; - -import org.spongycastle.asn1.ASN1Encodable; -import org.spongycastle.asn1.ASN1Encoding; -import org.spongycastle.asn1.ASN1ObjectIdentifier; -import org.spongycastle.asn1.ASN1Primitive; -import org.spongycastle.asn1.ASN1String; -import org.spongycastle.asn1.DERUniversalString; -import org.spongycastle.asn1.x500.AttributeTypeAndValue; -import org.spongycastle.asn1.x500.RDN; -import org.spongycastle.asn1.x500.X500NameBuilder; -import org.spongycastle.asn1.x500.X500NameStyle; -import org.spongycastle.util.Strings; -import org.spongycastle.util.encoders.Hex; - -public class IETFUtils -{ - private static String unescape(String elt) - { - if (elt.length() == 0 || (elt.indexOf('\\') < 0 && elt.indexOf('"') < 0)) - { - return elt.trim(); - } - - char[] elts = elt.toCharArray(); - boolean escaped = false; - boolean quoted = false; - StringBuffer buf = new StringBuffer(elt.length()); - int start = 0; - - // if it's an escaped hash string and not an actual encoding in string form - // we need to leave it escaped. - if (elts[0] == '\\') - { - if (elts[1] == '#') - { - start = 2; - buf.append("\\#"); - } - } - - boolean nonWhiteSpaceEncountered = false; - int lastEscaped = 0; - char hex1 = 0; - - for (int i = start; i != elts.length; i++) - { - char c = elts[i]; - - if (c != ' ') - { - nonWhiteSpaceEncountered = true; - } - - if (c == '"') - { - if (!escaped) - { - quoted = !quoted; - } - else - { - buf.append(c); - } - escaped = false; - } - else if (c == '\\' && !(escaped || quoted)) - { - escaped = true; - lastEscaped = buf.length(); - } - else - { - if (c == ' ' && !escaped && !nonWhiteSpaceEncountered) - { - continue; - } - if (escaped && isHexDigit(c)) - { - if (hex1 != 0) - { - buf.append((char)(convertHex(hex1) * 16 + convertHex(c))); - escaped = false; - hex1 = 0; - continue; - } - hex1 = c; - continue; - } - buf.append(c); - escaped = false; - } - } - - if (buf.length() > 0) - { - while (buf.charAt(buf.length() - 1) == ' ' && lastEscaped != (buf.length() - 1)) - { - buf.setLength(buf.length() - 1); - } - } - - return buf.toString(); - } - - private static boolean isHexDigit(char c) - { - return ('0' <= c && c <= '9') || ('a' <= c && c <= 'f') || ('A' <= c && c <= 'F'); - } - - private static int convertHex(char c) - { - if ('0' <= c && c <= '9') - { - return c - '0'; - } - if ('a' <= c && c <= 'f') - { - return c - 'a' + 10; - } - return c - 'A' + 10; - } - - public static RDN[] rDNsFromString(String name, X500NameStyle x500Style) - { - X500NameTokenizer nTok = new X500NameTokenizer(name); - X500NameBuilder builder = new X500NameBuilder(x500Style); - - while (nTok.hasMoreTokens()) - { - String token = nTok.nextToken(); - - if (token.indexOf('+') > 0) - { - X500NameTokenizer pTok = new X500NameTokenizer(token, '+'); - X500NameTokenizer vTok = new X500NameTokenizer(pTok.nextToken(), '='); - - String attr = vTok.nextToken(); - - if (!vTok.hasMoreTokens()) - { - throw new IllegalArgumentException("badly formatted directory string"); - } - - String value = vTok.nextToken(); - ASN1ObjectIdentifier oid = x500Style.attrNameToOID(attr.trim()); - - if (pTok.hasMoreTokens()) - { - Vector oids = new Vector(); - Vector values = new Vector(); - - oids.addElement(oid); - values.addElement(unescape(value)); - - while (pTok.hasMoreTokens()) - { - vTok = new X500NameTokenizer(pTok.nextToken(), '='); - - attr = vTok.nextToken(); - - if (!vTok.hasMoreTokens()) - { - throw new IllegalArgumentException("badly formatted directory string"); - } - - value = vTok.nextToken(); - oid = x500Style.attrNameToOID(attr.trim()); - - - oids.addElement(oid); - values.addElement(unescape(value)); - } - - builder.addMultiValuedRDN(toOIDArray(oids), toValueArray(values)); - } - else - { - builder.addRDN(oid, unescape(value)); - } - } - else - { - X500NameTokenizer vTok = new X500NameTokenizer(token, '='); - - String attr = vTok.nextToken(); - - if (!vTok.hasMoreTokens()) - { - throw new IllegalArgumentException("badly formatted directory string"); - } - - String value = vTok.nextToken(); - ASN1ObjectIdentifier oid = x500Style.attrNameToOID(attr.trim()); - - builder.addRDN(oid, unescape(value)); - } - } - - return builder.build().getRDNs(); - } - - private static String[] toValueArray(Vector values) - { - String[] tmp = new String[values.size()]; - - for (int i = 0; i != tmp.length; i++) - { - tmp[i] = (String)values.elementAt(i); - } - - return tmp; - } - - private static ASN1ObjectIdentifier[] toOIDArray(Vector oids) - { - ASN1ObjectIdentifier[] tmp = new ASN1ObjectIdentifier[oids.size()]; - - for (int i = 0; i != tmp.length; i++) - { - tmp[i] = (ASN1ObjectIdentifier)oids.elementAt(i); - } - - return tmp; - } - - public static String[] findAttrNamesForOID( - ASN1ObjectIdentifier oid, - Hashtable lookup) - { - int count = 0; - for (Enumeration en = lookup.elements(); en.hasMoreElements();) - { - if (oid.equals(en.nextElement())) - { - count++; - } - } - - String[] aliases = new String[count]; - count = 0; - - for (Enumeration en = lookup.keys(); en.hasMoreElements();) - { - String key = (String)en.nextElement(); - if (oid.equals(lookup.get(key))) - { - aliases[count++] = key; - } - } - - return aliases; - } - - public static ASN1ObjectIdentifier decodeAttrName( - String name, - Hashtable lookUp) - { - if (Strings.toUpperCase(name).startsWith("OID.")) - { - return new ASN1ObjectIdentifier(name.substring(4)); - } - else if (name.charAt(0) >= '0' && name.charAt(0) <= '9') - { - return new ASN1ObjectIdentifier(name); - } - - ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)lookUp.get(Strings.toLowerCase(name)); - if (oid == null) - { - throw new IllegalArgumentException("Unknown object id - " + name + " - passed to distinguished name"); - } - - return oid; - } - - public static ASN1Encodable valueFromHexString( - String str, - int off) - throws IOException - { - byte[] data = new byte[(str.length() - off) / 2]; - for (int index = 0; index != data.length; index++) - { - char left = str.charAt((index * 2) + off); - char right = str.charAt((index * 2) + off + 1); - - data[index] = (byte)((convertHex(left) << 4) | convertHex(right)); - } - - return ASN1Primitive.fromByteArray(data); - } - - public static void appendRDN( - StringBuffer buf, - RDN rdn, - Hashtable oidSymbols) - { - if (rdn.isMultiValued()) - { - AttributeTypeAndValue[] atv = rdn.getTypesAndValues(); - boolean firstAtv = true; - - for (int j = 0; j != atv.length; j++) - { - if (firstAtv) - { - firstAtv = false; - } - else - { - buf.append('+'); - } - - IETFUtils.appendTypeAndValue(buf, atv[j], oidSymbols); - } - } - else - { - IETFUtils.appendTypeAndValue(buf, rdn.getFirst(), oidSymbols); - } - } - - public static void appendTypeAndValue( - StringBuffer buf, - AttributeTypeAndValue typeAndValue, - Hashtable oidSymbols) - { - String sym = (String)oidSymbols.get(typeAndValue.getType()); - - if (sym != null) - { - buf.append(sym); - } - else - { - buf.append(typeAndValue.getType().getId()); - } - - buf.append('='); - - buf.append(valueToString(typeAndValue.getValue())); - } - - public static String valueToString(ASN1Encodable value) - { - StringBuffer vBuf = new StringBuffer(); - - if (value instanceof ASN1String && !(value instanceof DERUniversalString)) - { - String v = ((ASN1String)value).getString(); - if (v.length() > 0 && v.charAt(0) == '#') - { - vBuf.append("\\" + v); - } - else - { - vBuf.append(v); - } - } - else - { - try - { - vBuf.append("#" + bytesToString(Hex.encode(value.toASN1Primitive().getEncoded(ASN1Encoding.DER)))); - } - catch (IOException e) - { - throw new IllegalArgumentException("Other value has no encoded form"); - } - } - - int end = vBuf.length(); - int index = 0; - - if (vBuf.length() >= 2 && vBuf.charAt(0) == '\\' && vBuf.charAt(1) == '#') - { - index += 2; - } - - while (index != end) - { - if ((vBuf.charAt(index) == ',') - || (vBuf.charAt(index) == '"') - || (vBuf.charAt(index) == '\\') - || (vBuf.charAt(index) == '+') - || (vBuf.charAt(index) == '=') - || (vBuf.charAt(index) == '<') - || (vBuf.charAt(index) == '>') - || (vBuf.charAt(index) == ';')) - { - vBuf.insert(index, "\\"); - index++; - end++; - } - - index++; - } - - int start = 0; - if (vBuf.length() > 0) - { - while (vBuf.length() > start && vBuf.charAt(start) == ' ') - { - vBuf.insert(start, "\\"); - start += 2; - } - } - - int endBuf = vBuf.length() - 1; - - while (endBuf >= 0 && vBuf.charAt(endBuf) == ' ') - { - vBuf.insert(endBuf, '\\'); - endBuf--; - } - - return vBuf.toString(); - } - - private static String bytesToString( - byte[] data) - { - char[] cs = new char[data.length]; - - for (int i = 0; i != cs.length; i++) - { - cs[i] = (char)(data[i] & 0xff); - } - - return new String(cs); - } - - public static String canonicalize(String s) - { - String value = Strings.toLowerCase(s.trim()); - - if (value.length() > 0 && value.charAt(0) == '#') - { - ASN1Primitive obj = decodeObject(value); - - if (obj instanceof ASN1String) - { - value = Strings.toLowerCase(((ASN1String)obj).getString().trim()); - } - } - - value = stripInternalSpaces(value); - - return value; - } - - private static ASN1Primitive decodeObject(String oValue) - { - try - { - return ASN1Primitive.fromByteArray(Hex.decode(oValue.substring(1))); - } - catch (IOException e) - { - throw new IllegalStateException("unknown encoding in name: " + e); - } - } - - public static String stripInternalSpaces( - String str) - { - StringBuffer res = new StringBuffer(); - - if (str.length() != 0) - { - char c1 = str.charAt(0); - - res.append(c1); - - for (int k = 1; k < str.length(); k++) - { - char c2 = str.charAt(k); - if (!(c1 == ' ' && c2 == ' ')) - { - res.append(c2); - } - c1 = c2; - } - } - - return res.toString(); - } - - public static boolean rDNAreEqual(RDN rdn1, RDN rdn2) - { - if (rdn1.isMultiValued()) - { - if (rdn2.isMultiValued()) - { - AttributeTypeAndValue[] atvs1 = rdn1.getTypesAndValues(); - AttributeTypeAndValue[] atvs2 = rdn2.getTypesAndValues(); - - if (atvs1.length != atvs2.length) - { - return false; - } - - for (int i = 0; i != atvs1.length; i++) - { - if (!atvAreEqual(atvs1[i], atvs2[i])) - { - return false; - } - } - } - else - { - return false; - } - } - else - { - if (!rdn2.isMultiValued()) - { - return atvAreEqual(rdn1.getFirst(), rdn2.getFirst()); - } - else - { - return false; - } - } - - return true; - } - - private static boolean atvAreEqual(AttributeTypeAndValue atv1, AttributeTypeAndValue atv2) - { - if (atv1 == atv2) - { - return true; - } - - if (atv1 == null) - { - return false; - } - - if (atv2 == null) - { - return false; - } - - ASN1ObjectIdentifier o1 = atv1.getType(); - ASN1ObjectIdentifier o2 = atv2.getType(); - - if (!o1.equals(o2)) - { - return false; - } - - String v1 = IETFUtils.canonicalize(IETFUtils.valueToString(atv1.getValue())); - String v2 = IETFUtils.canonicalize(IETFUtils.valueToString(atv2.getValue())); - - if (!v1.equals(v2)) - { - return false; - } - - return true; - } -} |