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Camunda 7 Keycloak Identity Provider Plugin including all transitive dependencies
/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*
*/
package org.apache.hc.core5.http.ssl;
import java.util.BitSet;
import org.apache.hc.core5.http.ParseException;
import org.apache.hc.core5.http.ProtocolVersion;
import org.apache.hc.core5.util.Tokenizer;
final class TlsVersionParser {
public final static TlsVersionParser INSTANCE = new TlsVersionParser();
private final Tokenizer tokenizer;
TlsVersionParser() {
this.tokenizer = Tokenizer.INSTANCE;
}
ProtocolVersion parse(
final CharSequence buffer,
final Tokenizer.Cursor cursor,
final BitSet delimiters) throws ParseException {
final int lowerBound = cursor.getLowerBound();
final int upperBound = cursor.getUpperBound();
int pos = cursor.getPos();
if (pos + 4 > cursor.getUpperBound()) {
throw new ParseException("Invalid TLS protocol version", buffer, lowerBound, upperBound, pos);
}
if (buffer.charAt(pos) != 'T' || buffer.charAt(pos + 1) != 'L' || buffer.charAt(pos + 2) != 'S'
|| buffer.charAt(pos + 3) != 'v') {
throw new ParseException("Invalid TLS protocol version", buffer, lowerBound, upperBound, pos);
}
pos = pos + 4;
cursor.updatePos(pos);
if (cursor.atEnd()) {
throw new ParseException("Invalid TLS version", buffer, lowerBound, upperBound, pos);
}
final String s = this.tokenizer.parseToken(buffer, cursor, delimiters);
final int idx = s.indexOf('.');
if (idx == -1) {
final int major;
try {
major = Integer.parseInt(s);
} catch (final NumberFormatException e) {
throw new ParseException("Invalid TLS major version", buffer, lowerBound, upperBound, pos);
}
return new ProtocolVersion("TLS", major, 0);
} else {
final String s1 = s.substring(0, idx);
final int major;
try {
major = Integer.parseInt(s1);
} catch (final NumberFormatException e) {
throw new ParseException("Invalid TLS major version", buffer, lowerBound, upperBound, pos);
}
final String s2 = s.substring(idx + 1);
final int minor;
try {
minor = Integer.parseInt(s2);
} catch (final NumberFormatException e) {
throw new ParseException("Invalid TLS minor version", buffer, lowerBound, upperBound, pos);
}
return new ProtocolVersion("TLS", major, minor);
}
}
ProtocolVersion parse(final String s) throws ParseException {
if (s == null) {
return null;
}
final Tokenizer.Cursor cursor = new Tokenizer.Cursor(0, s.length());
return parse(s, cursor, null);
}
}