private static CharSequence trimToLength(CharSequence csq, int maxLen) {
if (GenericUtils.length(csq) <= maxLen) {
return csq;
}
return csq.subSequence(0, maxLen) + "...";
}
@Override
public T getPath(String first, String... more) {
StringBuilder sb = new StringBuilder();
if (!GenericUtils.isEmpty(first)) {
appendDedupSep(sb, first.replace('\\', '/')); // in case we are running on Windows
}
if (GenericUtils.length(more) > 0) {
for (String segment : more) {
if ((sb.length() > 0) && (sb.charAt(sb.length() - 1) != '/')) {
sb.append('/');
}
// in case we are running on Windows
appendDedupSep(sb, segment.replace('\\', '/'));
}
}
if ((sb.length() > 1) && (sb.charAt(sb.length() - 1) == '/')) {
sb.setLength(sb.length() - 1);
}
String path = sb.toString();
String root = null;
if (path.startsWith("/")) {
root = "/";
path = path.substring(1);
}
String[] names = GenericUtils.split(path, '/');
return create(root, names);
}
/**
* @param extraSize Extra size - besides the extension name
* @return A {@link Buffer} with the extension name set
*/
protected Buffer getCommandBuffer(int extraSize) {
String opcode = getName();
Buffer buffer =
new ByteArrayBuffer(
(Integer.SIZE / Byte.SIZE) + GenericUtils.length(opcode) + extraSize + Byte.SIZE);
buffer.putString(opcode);
return buffer;
}
public Collection<KeyPair> loadKeyPairs(
String resourceKey,
String pubData,
String prvData,
String prvEncryption,
FilePasswordProvider passwordProvider)
throws IOException, GeneralSecurityException {
Decoder b64Decoder = Base64.getDecoder();
byte[] pubBytes = b64Decoder.decode(pubData);
byte[] prvBytes = b64Decoder.decode(prvData);
String password = null;
if ((GenericUtils.length(prvEncryption) > 0)
&& (!NO_PRIVATE_KEY_ENCRYPTION_VALUE.equalsIgnoreCase(prvEncryption))) {
password = passwordProvider.getPassword(resourceKey);
}
if (GenericUtils.isEmpty(prvEncryption)
|| NO_PRIVATE_KEY_ENCRYPTION_VALUE.equalsIgnoreCase(prvEncryption)
|| GenericUtils.isEmpty(password)) {
return loadKeyPairs(resourceKey, pubBytes, prvBytes);
}
// format is "<cipher><bits>-<mode>" - e.g., "aes256-cbc"
int pos = prvEncryption.indexOf('-');
if (pos <= 0) {
throw new StreamCorruptedException("Missing private key encryption mode in " + prvEncryption);
}
String mode = prvEncryption.substring(pos + 1).toUpperCase();
String algName = null;
int numBits = 0;
for (int index = 0; index < pos; index++) {
char ch = prvEncryption.charAt(index);
if ((ch >= '0') && (ch <= '9')) {
algName = prvEncryption.substring(0, index).toUpperCase();
numBits = Integer.parseInt(prvEncryption.substring(index, pos));
break;
}
}
if (GenericUtils.isEmpty(algName) || (numBits <= 0)) {
throw new StreamCorruptedException(
"Missing private key encryption algorithm details in " + prvEncryption);
}
prvBytes =
PuttyKeyPairResourceParser.decodePrivateKeyBytes(
prvBytes, algName, numBits, mode, password);
return loadKeyPairs(resourceKey, pubBytes, prvBytes);
}
