Examples with SequenceContext com.abilityapi.sequenceapi.SequenceContext used on opensource projects

Example 6 with SequenceContext

use of com.abilityapi.sequenceapi.SequenceContext in project guardian by ichorpowered.

the class InvalidCheck method getSequence.

@Nonnull
@Override
public SequenceBlueprint<Event> getSequence(final Detection detection) {
    final Double analysisTime = detection.getContentContainer().get(ContentKeys.ANALYSIS_TIME).orElse(GuardianValue.empty()).getDirect().orElse(0d) / 0.05;
    final Double minimumTickRate = detection.getContentContainer().get(ContentKeys.ANALYSIS_MINIMUM_TICK).orElse(GuardianValue.empty()).getDirect().orElse(0d) / 0.05;
    final Double maximumTickRate = detection.getContentContainer().get(ContentKeys.ANALYSIS_MAXIMUM_TICK).orElse(GuardianValue.empty()).getDirect().orElse(0d) / 0.05;
    return new GuardianSequenceBuilder().capture(new InvalidControlCapture(detection.getPlugin(), detection)).observe(MoveEntityEvent.class).observe(MoveEntityEvent.class).delay(analysisTime.intValue()).expire(maximumTickRate.intValue()).condition(sequenceContext -> {
        final GuardianPlayerEntry<Player> entityEntry = sequenceContext.get(CommonContextKeys.ENTITY_ENTRY);
        final Summary summary = sequenceContext.get(CommonContextKeys.SUMMARY);
        final GuardianCaptureRegistry captureRegistry = sequenceContext.get(CommonContextKeys.CAPTURE_REGISTRY);
        final long lastActionTime = sequenceContext.get(CommonContextKeys.LAST_ACTION_TIME);
        summary.set(SequenceReport.class, new SequenceReport(false, Origin.source(sequenceContext.getRoot()).owner(entityEntry).build()));
        if (!entityEntry.getEntity(Player.class).isPresent())
            return false;
        final Player player = entityEntry.getEntity(Player.class).get();
        /*
                         * Capture Collection
                         */
        final CaptureContainer captureContainer = captureRegistry.getContainer();
        Optional<Location> initial = captureContainer.get(GuardianSequence.INITIAL_LOCATION);
        Optional<Set<String>> invalidControls = captureContainer.get(InvalidControlCapture.INVALID_CONTROLS);
        if (!initial.isPresent() || !invalidControls.isPresent())
            return false;
        long current = System.currentTimeMillis();
        // Finds the average between now and the last action.
        double averageClockRate = ((current - lastActionTime) / 1000) / 0.05;
        if (averageClockRate < minimumTickRate) {
            detection.getLogger().warn("The server may be overloaded. A check could not be completed.");
            return false;
        } else if (averageClockRate > maximumTickRate) {
            return false;
        }
        if (invalidControls.get().isEmpty() || player.get(Keys.VEHICLE).isPresent())
            return false;
        // ------------------------- DEBUG -----------------------------
        System.out.println(player.getName() + " has been caught using invalid movement hacks.");
        // -------------------------------------------------------------
        SequenceReport report = new SequenceReport(true, Origin.source(sequenceContext.getRoot()).owner(entityEntry).build());
        report.put("type", "InvalidControlCapture Movement");
        report.put("information", Collections.singletonList("Received invalid controls of " + StringUtils.join((Set<String>) invalidControls.get(), ", ") + "."));
        report.put("initial_location", initial.get());
        report.put("final_location", player.getLocation());
        report.put("severity", 1d);
        summary.set(SequenceReport.class, report);
        return true;
    }, ConditionType.NORMAL).build(SequenceContext.builder().owner(detection).root(this).build());
}

Example 7 with SequenceContext

use of com.abilityapi.sequenceapi.SequenceContext in project guardian by ichorpowered.

the class VerticalSpeedCheck method getSequence.

@Nonnull
@Override
public SequenceBlueprint<Event> getSequence(final Detection detection) {
    final Double analysisTime = detection.getContentContainer().get(ContentKeys.ANALYSIS_TIME).orElse(GuardianValue.empty()).getDirect().orElse(0d) / 0.05;
    final Double minimumTickRate = detection.getContentContainer().get(ContentKeys.ANALYSIS_MINIMUM_TICK).orElse(GuardianValue.empty()).getDirect().orElse(0d) / 0.05;
    final Double maximumTickRate = detection.getContentContainer().get(ContentKeys.ANALYSIS_MAXIMUM_TICK).orElse(GuardianValue.empty()).getDirect().orElse(0d) / 0.05;
    return new GuardianSequenceBuilder().capture(new ControlCapture(detection.getPlugin(), detection)).capture(new PotionEffectCapture(detection.getPlugin(), detection)).observe(MoveEntityEvent.class).after().delay(analysisTime.intValue()).condition(sequenceContext -> {
        final GuardianPlayerEntry<Player> entityEntry = sequenceContext.get(CommonContextKeys.ENTITY_ENTRY);
        final Summary summary = sequenceContext.get(CommonContextKeys.SUMMARY);
        final GuardianCaptureRegistry captureRegistry = sequenceContext.get(CommonContextKeys.CAPTURE_REGISTRY);
        final long lastActionTime = sequenceContext.get(CommonContextKeys.LAST_ACTION_TIME);
        summary.set(SequenceReport.class, new SequenceReport(false, Origin.source(sequenceContext.getRoot()).owner(entityEntry).build()));
        if (!entityEntry.getEntity(Player.class).isPresent())
            return false;
        Player player = entityEntry.getEntity(Player.class).get();
        /*
                         * Capture Collection
                         */
        final CaptureContainer captureContainer = captureRegistry.getContainer();
        Optional<Location> initial = captureContainer.get(GuardianSequence.INITIAL_LOCATION);
        Optional<Double> verticalOffset = captureContainer.get(ControlCapture.VERTICAL_DISTANCE);
        if (!initial.isPresent() || !verticalOffset.isPresent())
            return false;
        long current = System.currentTimeMillis();
        // Finds the average between now and the last action.
        double averageClockRate = ((current - lastActionTime) / 1000) / 0.05;
        if (averageClockRate < minimumTickRate) {
            detection.getLogger().warn("The server may be overloaded. A check could not be completed.");
            return false;
        } else if (averageClockRate > maximumTickRate) {
            return false;
        }
        if (player.get(Keys.VEHICLE).isPresent())
            return false;
        double verticalDisplacement = MathUtil.truncateDownTo(player.getLocation().getY() - initial.get().getY(), 4);
        double verticalPlacement = MathUtil.truncateDownTo((verticalOffset.get() * (verticalOffset.get() / 0.2)) / averageClockRate + 0.1, 4);
        if (verticalDisplacement < 1 || verticalOffset.get() < 1)
            return false;
        if (verticalDisplacement > verticalPlacement) {
            // ------------------------- DEBUG -----------------------------
            System.out.println(player.getName() + " has been caught using vertical speed hacks. (" + (verticalDisplacement - verticalPlacement) + ")");
            // -------------------------------------------------------------
            SequenceReport report = new SequenceReport(true, Origin.source(sequenceContext.getRoot()).owner(entityEntry).build());
            report.put("type", "Vertical Speed");
            report.put("information", Collections.singletonList("Overshot maximum movement by " + (verticalDisplacement - verticalPlacement) + "."));
            report.put("initial_location", initial.get());
            report.put("final_location", player.getLocation());
            report.put("severity", (verticalDisplacement - verticalPlacement) / verticalDisplacement);
            summary.set(SequenceReport.class, report);
            return true;
        }
        return false;
    }, ConditionType.NORMAL).build(SequenceContext.builder().owner(detection).root(this).build());
}

Example 8 with SequenceContext

use of com.abilityapi.sequenceapi.SequenceContext in project guardian by ichorpowered.

the class GuardianSequence method applySchedule.

@Override
public final void applySchedule(final SequenceContext sequenceContext) {
    final PlayerEntry playerEntry = sequenceContext.get(CommonContextKeys.ENTITY_ENTRY);
    final Player player = playerEntry.getEntity(Player.class).orElse(Sponge.getServer().getPlayer(playerEntry.getUniqueId()).orElse(null));
    if (player == null)
        return;
    final SequenceContext mergedContext = SequenceContext.from(sequenceContext).custom(CommonContextKeys.LAST_ACTION_TIME, super.getLastActionTime()).custom(CommonContextKeys.CAPTURE_REGISTRY, this.captureRegistry).custom(CommonContextKeys.SUMMARY, this.summary).build();
    if (this.getState().equals(State.INACTIVE)) {
        this.captureRegistry.getContainer().offerIfEmpty(GuardianValue.builder(GuardianSequence.INITIAL_LOCATION).defaultElement(player.getLocation()).element(player.getLocation()).create());
    }
    super.applySchedule(mergedContext);
}