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Sybil: Add start of profile analysis, use for first-heard-about time

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Increase pair-distance threat points
This commit is contained in:
zzz
2015-12-12 12:43:22 +00:00
parent 3a4e82f025
commit 89bdbedc0f
1 changed files with 26 additions and 1 deletions
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27
apps/routerconsole/java/src/net/i2p/router/web/SybilRenderer.java
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@ -58,6 +58,7 @@ class SybilRenderer {
private static final double POINTS_US16 = 10.0; private static final double POINTS_US16 = 10.0;
private static final double POINTS_FAMILY = -2.0; private static final double POINTS_FAMILY = -2.0;
private static final double MIN_CLOSE = 242.0; private static final double MIN_CLOSE = 242.0;
private static final double PAIR_DISTANCE_FACTOR = 2.0;
private static final double OUR_KEY_FACTOR = 4.0; private static final double OUR_KEY_FACTOR = 4.0;
private static final double MIN_DISPLAY_POINTS = 3.0; private static final double MIN_DISPLAY_POINTS = 3.0;
@ -221,7 +222,8 @@ class SybilRenderer {
renderRouterInfoHTML(out, buf, nkey, avgMinDist, ris, points); renderRouterInfoHTML(out, buf, nkey, avgMinDist, ris, points);
} }
// TODO Profile analysis // Profile analysis
addProfilePoints(ris, points);
if (!points.isEmpty()) { if (!points.isEmpty()) {
List<Hash> warns = new ArrayList<Hash>(points.keySet()); List<Hash> warns = new ArrayList<Hash>(points.keySet());
@ -299,6 +301,7 @@ class SybilRenderer {
renderRouterInfo(buf, p.r1, null, false, false); renderRouterInfo(buf, p.r1, null, false, false);
renderRouterInfo(buf, p.r2, null, false, false); renderRouterInfo(buf, p.r2, null, false, false);
} }
point *= PAIR_DISTANCE_FACTOR;
String b2 = p.r2.getHash().toBase64(); String b2 = p.r2.getHash().toBase64();
addPoints(points, p.r1.getHash(), point, "Very close (" + fmt.format(distance) + addPoints(points, p.r1.getHash(), point, "Very close (" + fmt.format(distance) +
") to other floodfill <a href=\"netdb?r=" + b2 + "\">" + b2 + "</a>"); ") to other floodfill <a href=\"netdb?r=" + b2 + "\">" + b2 + "</a>");
@ -586,6 +589,28 @@ class SybilRenderer {
buf.setLength(0); buf.setLength(0);
} }
private static final long DAY = 24*60*60*1000L;
private void addProfilePoints(List<RouterInfo> ris, Map<Hash, Points> points) throws IOException {
long now = _context.clock().now();
for (RouterInfo info : ris) {
Hash h = info.getHash();
PeerProfile prof = _context.profileOrganizer().getProfileNonblocking(h);
if (prof != null) {
long heard = prof.getFirstHeardAbout();
if (heard > 0) {
long age = Math.max(now - heard, 1);
if (age < DAY) {
// .125 point for every hour under 24, max 3 points
double point = Math.min(3.0d, (DAY - age) / (DAY / 3.0d));
addPoints(points, h, point,
"First heard about: " + _t("{0} ago", DataHelper.formatDuration2(age)));
}
}
}
}
}
private void renderRouterInfoHTML(Writer out, StringBuilder buf, Hash us, double avgMinDist, private void renderRouterInfoHTML(Writer out, StringBuilder buf, Hash us, double avgMinDist,
List<RouterInfo> ris, Map<Hash, Points> points) throws IOException { List<RouterInfo> ris, Map<Hash, Points> points) throws IOException {
Collections.sort(ris, new RouterInfoRoutingKeyComparator(us)); Collections.sort(ris, new RouterInfoRoutingKeyComparator(us));