Blockfile: Include authentication strings in exports

This commit is contained in:
zzz
2017-03-27 14:10:01 +00:00
parent cff8eafc43
commit b503f03bd6
2 changed files with 129 additions and 2 deletions

View File

@ -15,6 +15,7 @@ import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
@ -1291,6 +1292,132 @@ public class BlockfileNamingService extends DummyNamingService {
}
}
/**
* Export in a hosts.txt format.
* Output is sorted.
* Caller must close writer.
*
* @param options If non-null and contains the key "list", get
* from that list (default "hosts.txt", NOT all lists)
* Key "search": return only those matching substring
* Key "startsWith": return only those starting with
* ("[0-9]" allowed)
* Key "beginWith": start here in the iteration
* @since 0.9.30 override NamingService to add stored authentication strings
*/
@Override
public void export(Writer out, Properties options) throws IOException {
String listname = FALLBACK_LIST;
String search = null;
String startsWith = null;
String beginWith = null;
if (options != null) {
String ln = options.getProperty("list");
if (ln != null)
listname = ln;
search = options.getProperty("search");
startsWith = options.getProperty("startsWith");
beginWith = options.getProperty("beginWith");
if (beginWith == null && startsWith != null) {
if (startsWith.equals("[0-9]"))
beginWith = "0";
else
beginWith = startsWith;
}
}
out.write("# Address book: ");
out.write(getName());
out.write(" (" + listname + ')');
final String nl = System.getProperty("line.separator", "\n");
out.write(nl);
out.write("# Exported: ");
out.write((new Date()).toString());
out.write(nl);
synchronized(_bf) {
if (_isClosed)
return;
try {
SkipList<String, DestEntry> sl = _bf.getIndex(listname, _stringSerializer, _destSerializer);
if (sl == null) {
if (_log.shouldLog(Log.WARN))
_log.warn("No skiplist found for lookup in " + listname);
return;
}
if (beginWith == null && search == null) {
int sz = sl.size();
if (sz <= 0) {
out.write("# No entries");
out.write(nl);
return;
}
if (sz > 1) {
// actually not right due to multidest
out.write("# " + sz + " entries");
out.write(nl);
}
}
SkipIterator<String, DestEntry> iter;
if (beginWith != null)
iter = sl.find(beginWith);
else
iter = sl.iterator();
int cnt = 0;
while (iter.hasNext()) {
String key = iter.nextKey();
if (startsWith != null) {
if (startsWith.equals("[0-9]")) {
if (key.charAt(0) > '9')
break;
} else if (!key.startsWith(startsWith)) {
break;
}
}
DestEntry de = iter.next();
if (!validate(key, de, listname))
continue;
if (search != null && key.indexOf(search) < 0)
continue;
int dsz = de.destList != null ? de.destList.size() : 1;
// new non-DSA dest is put first, so put in reverse
// order so importers will see the older dest first
for (int i = dsz - 1; i >= 0; i--) {
Properties p;
Destination d;
if (i == 0) {
p = de.props;
d = de.dest;
} else {
p = de.propsList.get(i);
d = de.destList.get(i);
}
out.write(key);
out.write('=');
out.write(d.toBase64());
if (p != null)
SingleFileNamingService.writeOptions(p, out);
out.write(nl);
cnt++;
}
}
if (beginWith != null || search != null) {
if (cnt <= 0) {
out.write("# No entries");
out.write(nl);
return;
}
if (cnt > 1) {
out.write("# " + cnt + " entries");
out.write(nl);
}
}
} catch (RuntimeException re) {
throw new IOException("DB lookup error", re);
} finally {
deleteInvalid();
}
}
}
/**
* @param options If non-null and contains the key "list", get
* from that list (default "hosts.txt", NOT all lists)

View File

@ -268,9 +268,9 @@ public class SingleFileNamingService extends NamingService {
* Does not write a newline.
*
* @param options non-null
* @since 0.9.26
* @since 0.9.26, package private since 0.9.30
*/
private static void writeOptions(Properties options, Writer out) throws IOException {
static void writeOptions(Properties options, Writer out) throws IOException {
boolean started = false;
for (Map.Entry<Object, Object> e : options.entrySet()) {
String k = (String) e.getKey();