/** Read the binary form of a key, preceded by a short for its length. */
public static FreenetURI readFullBinaryKeyWithLength(DataInputStream dis) throws IOException {
int len = dis.readShort();
byte[] buf = new byte[len];
dis.readFully(buf);
Logger.minor(FreenetURI.class, "Read " + len + " bytes for key");
return fromFullBinaryKey(buf);
}
/**
* Get the FreenetURI as a string.
*
* @param prefix Whether to include the freenet: prefix.
* @param pureAscii If true, encode any non-english characters. If false, only encode dangerous
* characters (slashes e.g.).
*/
public String toString(boolean prefix, boolean pureAscii) {
if (keyType == null) {
// Not activated or something...
Logger.minor(this, "Not activated?? in toString(" + prefix + "," + pureAscii + ")");
return null;
}
StringBuilder b;
if (prefix) b = new StringBuilder("freenet:");
else b = new StringBuilder();
b.append(keyType).append('@');
if (!"KSK".equals(keyType)) {
if (routingKey != null) b.append(Base64.encode(routingKey));
if (cryptoKey != null) b.append(',').append(Base64.encode(cryptoKey));
if (extra != null) b.append(',').append(Base64.encode(extra));
if (docName != null) b.append('/');
}
if (docName != null) b.append(URLEncoder.encode(docName, "/", pureAscii));
if (keyType.equals("USK")) {
b.append('/');
b.append(suggestedEdition);
}
if (metaStr != null)
for (int i = 0; i < metaStr.length; i++) {
b.append('/').append(URLEncoder.encode(metaStr[i], "/", pureAscii));
}
return b.toString();
}
/**
* Write a binary representation of this URI, with a short length, so it can be passed over if
* necessary.
*
* @param dos The stream to write to.
* @throws MalformedURLException If the key could not be written because of inconsistencies or
* other problems in the key itself.
* @throws IOException If an error occurred while writing the key.
*/
public void writeFullBinaryKeyWithLength(DataOutputStream dos) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream ndos = new DataOutputStream(baos);
writeFullBinaryKey(ndos);
ndos.close();
byte[] data = baos.toByteArray();
if (data.length > Short.MAX_VALUE)
throw new MalformedURLException("Full key too long: " + data.length + " - " + this);
dos.writeShort((short) data.length);
Logger.minor(this, "Written " + data.length + " bytes");
dos.write(data);
}
/** USK constructor from components. */
public FreenetURI(
byte[] pubKeyHash, byte[] cryptoKey, byte[] extra, String siteName, long suggestedEdition2) {
// this.uniqueHashCode = super.hashCode();
this.keyType = "USK";
this.routingKey = pubKeyHash;
this.cryptoKey = cryptoKey;
this.extra = extra;
this.docName = siteName;
this.suggestedEdition = suggestedEdition2;
metaStr = null;
Logger.minor(this, "Created from components (USK): " + toString(), new Exception("debug"));
}
public FreenetURI(
String keyType,
String docName,
String[] metaStr,
byte[] routingKey,
byte[] cryptoKey,
byte[] extra2) {
// this.uniqueHashCode = super.hashCode();
this.keyType = keyType.trim().toUpperCase().intern();
this.docName = docName;
this.metaStr = metaStr;
this.routingKey = routingKey;
this.cryptoKey = cryptoKey;
this.extra = extra2;
this.suggestedEdition = -1;
Logger.minor(this, "Created from components: " + toString(), new Exception("debug"));
}
/**
* Generate a suggested filename for the URI. This may be constructed from more than one part of
* the URI e.g. SSK@blah,blah,blah/sitename/ might return sitename.
*/
public String getPreferredFilename() {
Logger.minor(this, "Getting preferred filename for " + this);
ArrayList<String> names = new ArrayList<String>();
if (keyType != null
&& (keyType.equals("KSK") || keyType.equals("SSK") || keyType.equals("USK"))) {
Logger.minor(this, "Adding docName: " + docName);
names.add(docName);
if (keyType.equals("USK")) names.add(Long.toString(suggestedEdition));
}
if (metaStr != null)
for (int i = 0; i < metaStr.length; i++) {
if (metaStr[i] == null || metaStr[i].equals("")) {
Logger.minor(this, "metaString " + i + ": was null or empty");
continue;
}
Logger.minor(this, "Adding metaString " + i + ": " + metaStr[i]);
names.add(metaStr[i]);
}
StringBuilder out = new StringBuilder();
for (int i = 0; i < names.size(); i++) {
String s = names.get(i);
Logger.minor(this, "name " + i + " = " + s);
s = FileUtil.sanitize(s);
Logger.minor(this, "Sanitized name " + i + " = " + s);
if (s.length() > 0) {
if (out.length() > 0) out.append('-');
out.append(s);
}
}
Logger.minor(this, "out = " + out.toString());
if (out.length() == 0) {
if (routingKey != null) {
Logger.minor(this, "Returning base64 encoded routing key");
return Base64.encode(routingKey);
}
return "unknown";
}
return out.toString();
}
public FreenetURI(FreenetURI uri) {
// this.uniqueHashCode = super.hashCode();
keyType = uri.keyType;
docName = uri.docName;
if (uri.metaStr != null) {
metaStr = new String[uri.metaStr.length];
System.arraycopy(uri.metaStr, 0, metaStr, 0, metaStr.length);
} else metaStr = null;
if (uri.routingKey != null) {
routingKey = new byte[uri.routingKey.length];
System.arraycopy(uri.routingKey, 0, routingKey, 0, routingKey.length);
} else routingKey = null;
if (uri.cryptoKey != null) {
cryptoKey = new byte[uri.cryptoKey.length];
System.arraycopy(uri.cryptoKey, 0, cryptoKey, 0, cryptoKey.length);
} else cryptoKey = null;
if (uri.extra != null) {
extra = new byte[uri.extra.length];
System.arraycopy(uri.extra, 0, extra, 0, extra.length);
} else extra = null;
this.suggestedEdition = uri.suggestedEdition;
Logger.minor(this, "Copied: " + toString() + " from " + uri.toString(), new Exception("debug"));
}