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feat: add capability to filter from protobuf buffer

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This commit is contained in:
oSumAtrIX 2023-05-09 04:16:10 +02:00
parent 2a15f902d6
commit 5652c32345
8 changed files with 626 additions and 391 deletions
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31
app/src/main/java/app/revanced/integrations/patches/ButtonsPatch.java
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@ -1,31 +0,0 @@
package app.revanced.integrations.patches;
import app.revanced.integrations.settings.SettingsEnum;
final class ButtonsPatch extends Filter {
private final BlockRule actionBarRule;
public ButtonsPatch() {
actionBarRule = new BlockRule(null, "video_action_bar");
pathRegister.registerAll(
new BlockRule(SettingsEnum.HIDE_LIKE_DISLIKE_BUTTON, "|like_button", "dislike_button"),
new BlockRule(SettingsEnum.HIDE_DOWNLOAD_BUTTON, "download_button"),
new BlockRule(SettingsEnum.HIDE_PLAYLIST_BUTTON, "save_to_playlist_button"),
new BlockRule(SettingsEnum.HIDE_CLIP_BUTTON, "|clip_button.eml|"),
new BlockRule(SettingsEnum.HIDE_ACTION_BUTTONS, "ContainerType|video_action_button", "|CellType|CollectionType|CellType|ContainerType|button.eml|")
);
}
private boolean canHideActionBar() {
for (BlockRule rule : pathRegister) if (!rule.isEnabled()) return false;
return true;
}
@Override
public boolean filter(final String path, final String identifier) {
// If everything is hidden, then also hide the video bar itself.
if (canHideActionBar() && actionBarRule.check(identifier).isBlocked()) return true;
return pathRegister.contains(path);
}
}

31
app/src/main/java/app/revanced/integrations/patches/CommentsPatch.java
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@ -1,31 +0,0 @@
package app.revanced.integrations.patches;
import app.revanced.integrations.settings.SettingsEnum;
import app.revanced.integrations.utils.LogHelper;
final class CommentsPatch extends Filter {
public CommentsPatch() {
var comments = new BlockRule(SettingsEnum.HIDE_COMMENTS_SECTION, "video_metadata_carousel", "_comments");
var previewComment = new BlockRule(
SettingsEnum.HIDE_PREVIEW_COMMENT,
"|carousel_item",
"comments_entry_point_teaser",
"comments_entry_point_simplebox"
);
this.pathRegister.registerAll(
comments,
previewComment
);
}
@Override
boolean filter(String path, String _identifier) {
if (!pathRegister.contains(path)) return false;
LogHelper.printDebug(() -> "Blocked: " + path);
return true;
}
}

189
app/src/main/java/app/revanced/integrations/patches/GeneralAdsPatch.java
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@ -1,189 +0,0 @@
package app.revanced.integrations.patches;
import android.view.View;
import app.revanced.integrations.settings.SettingsEnum;
import app.revanced.integrations.utils.LogHelper;
import app.revanced.integrations.utils.ReVancedUtils;
public final class GeneralAdsPatch extends Filter {
private final String[] IGNORE = {
"home_video_with_context",
"related_video_with_context",
"comment_thread", // skip blocking anything in the comments
"|comment.", // skip blocking anything in the comments replies
"library_recent_shelf",
};
private final BlockRule custom = new CustomBlockRule(
SettingsEnum.CUSTOM_FILTER,
SettingsEnum.CUSTOM_FILTER_STRINGS
);
public GeneralAdsPatch() {
var communityPosts = new BlockRule(SettingsEnum.HIDE_COMMUNITY_POSTS, "post_base_wrapper");
var communityGuidelines = new BlockRule(SettingsEnum.HIDE_COMMUNITY_GUIDELINES, "community_guidelines");
var subscribersCommunityGuidelines = new BlockRule(SettingsEnum.HIDE_SUBSCRIBERS_COMMUNITY_GUIDELINES, "sponsorships_comments_upsell");
var channelMemberShelf = new BlockRule(SettingsEnum.HIDE_CHANNEL_MEMBER_SHELF, "member_recognition_shelf");
var compactBanner = new BlockRule(SettingsEnum.HIDE_COMPACT_BANNER, "compact_banner");
var inFeedSurvey = new BlockRule(SettingsEnum.HIDE_FEED_SURVEY, "in_feed_survey", "slimline_survey");
var medicalPanel = new BlockRule(SettingsEnum.HIDE_MEDICAL_PANELS, "medical_panel");
var merchandise = new BlockRule(SettingsEnum.HIDE_MERCHANDISE_BANNERS, "product_carousel");
var infoPanel = new BlockRule(SettingsEnum.HIDE_HIDE_INFO_PANELS, "publisher_transparency_panel", "single_item_information_panel");
var channelGuidelines = new BlockRule(SettingsEnum.HIDE_HIDE_CHANNEL_GUIDELINES, "channel_guidelines_entry_banner");
var audioTrackButton = new BlockRule(SettingsEnum.HIDE_AUDIO_TRACK_BUTTON, "multi_feed_icon_button");
var artistCard = new BlockRule(SettingsEnum.HIDE_ARTIST_CARDS, "official_card");
var chapterTeaser = new BlockRule(SettingsEnum.HIDE_CHAPTER_TEASER, "expandable_metadata", "macro_markers_carousel");
var viewProducts = new BlockRule(SettingsEnum.HIDE_PRODUCTS_BANNER, "product_item", "products_in_video");
var webLinkPanel = new BlockRule(SettingsEnum.HIDE_WEB_SEARCH_RESULTS, "web_link_panel");
var channelBar = new BlockRule(SettingsEnum.HIDE_CHANNEL_BAR, "channel_bar");
var relatedVideos = new BlockRule(SettingsEnum.HIDE_RELATED_VIDEOS, "fullscreen_related_videos");
var quickActions = new BlockRule(SettingsEnum.HIDE_QUICK_ACTIONS, "quick_actions");
var imageShelf = new BlockRule(SettingsEnum.HIDE_IMAGE_SHELF, "image_shelf");
var graySeparator = new BlockRule(SettingsEnum.HIDE_GRAY_SEPARATOR,
"cell_divider" // layout residue (gray line above the buttoned ad),
);
var paidContent = new BlockRule(SettingsEnum.HIDE_PAID_CONTENT, "paid_content_overlay");
var latestPosts = new BlockRule(SettingsEnum.HIDE_HIDE_LATEST_POSTS, "post_shelf");
var selfSponsor = new BlockRule(SettingsEnum.HIDE_SELF_SPONSOR, "cta_shelf_card");
var buttonedAd = new BlockRule(SettingsEnum.HIDE_BUTTONED_ADS,
"_buttoned_layout",
"full_width_square_image_layout",
"_ad_with",
"video_display_button_group_layout",
"landscape_image_wide_button_layout"
);
var generalAds = new BlockRule(
SettingsEnum.HIDE_GENERAL_ADS,
"ads_video_with_context",
"banner_text_icon",
"square_image_layout",
"watch_metadata_app_promo",
"video_display_full_layout",
"hero_promo_image",
"statement_banner",
"carousel_footered_layout",
"text_image_button_layout",
"primetime_promo",
"product_details",
"full_width_portrait_image_layout",
"brand_video_shelf"
);
var movieAds = new BlockRule(
SettingsEnum.HIDE_MOVIES_SECTION,
"browsy_bar",
"compact_movie",
"horizontal_movie_shelf",
"movie_and_show_upsell_card",
"compact_tvfilm_item",
"offer_module_root"
);
this.pathRegister.registerAll(
generalAds,
buttonedAd,
channelBar,
communityPosts,
paidContent,
latestPosts,
movieAds,
chapterTeaser,
communityGuidelines,
quickActions,
relatedVideos,
compactBanner,
inFeedSurvey,
viewProducts,
medicalPanel,
merchandise,
infoPanel,
channelGuidelines,
audioTrackButton,
artistCard,
selfSponsor,
webLinkPanel,
imageShelf,
subscribersCommunityGuidelines,
channelMemberShelf
);
var carouselAd = new BlockRule(SettingsEnum.HIDE_GENERAL_ADS,
"carousel_ad"
);
var shorts = new BlockRule(SettingsEnum.HIDE_SHORTS,
"shorts_shelf",
"inline_shorts",
"shorts_grid"
);
this.identifierRegister.registerAll(
shorts,
graySeparator,
carouselAd
);
}
public boolean filter(final String path, final String identifier) {
BlockResult result;
if (custom.isEnabled() && custom.check(path).isBlocked())
result = BlockResult.CUSTOM;
else if (ReVancedUtils.containsAny(path, IGNORE))
result = BlockResult.IGNORED;
else if (pathRegister.contains(path) || identifierRegister.contains(identifier))
result = BlockResult.DEFINED;
else
result = BlockResult.UNBLOCKED;
LogHelper.printDebug(() -> String.format("%s (ID: %s): %s", result.message, identifier, path));
return result.filter;
}
private enum BlockResult {
UNBLOCKED(false, "Unblocked"),
IGNORED(false, "Ignored"),
DEFINED(true, "Blocked"),
CUSTOM(true, "Custom");
final Boolean filter;
final String message;
BlockResult(boolean filter, String message) {
this.filter = filter;
this.message = message;
}
}
/**
* Hide a view.
*
* @param condition The setting to check for hiding the view.
* @param view The view to hide.
*/
private static void hideView(SettingsEnum condition, View view) {
if (!condition.getBoolean()) return;
LogHelper.printDebug(() -> "Hiding view with setting: " + condition);
ReVancedUtils.HideViewByLayoutParams(view);
}
/**
* Hide the view, which shows ads in the homepage.
*
* @param view The view, which shows ads.
*/
public static void hideAdAttributionView(View view) {
hideView(SettingsEnum.HIDE_GENERAL_ADS, view);
}
/**
* Hide the view, which shows reels in the homepage.
*
* @param view The view, which shows reels.
*/
public static void hideReelView(View view) {
hideView(SettingsEnum.HIDE_SHORTS, view);
}
}

140
app/src/main/java/app/revanced/integrations/patches/LithoFilterPatch.java
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package app.revanced.integrations.patches;
import android.os.Build;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.Spliterator;
import java.util.function.Consumer;
import app.revanced.integrations.settings.SettingsEnum;
import app.revanced.integrations.utils.LogHelper;
import app.revanced.integrations.utils.ReVancedUtils;
class BlockRule {
final static class BlockResult {
private final boolean blocked;
private final SettingsEnum setting;
public BlockResult(final SettingsEnum setting, final boolean blocked) {
this.setting = setting;
this.blocked = blocked;
}
public SettingsEnum getSetting() {
return setting;
}
public boolean isBlocked() {
return blocked;
}
}
protected final SettingsEnum setting;
private final String[] blocks;
/**
* Initialize a new rule for components.
*
* @param setting The setting which controls the blocking of this component.
* @param blocks The rules to block the component on.
*/
public BlockRule(final SettingsEnum setting, final String... blocks) {
this.setting = setting;
this.blocks = blocks;
}
public boolean isEnabled() {
return setting.getBoolean();
}
public BlockResult check(final String string) {
return new BlockResult(setting, string != null && ReVancedUtils.containsAny(string, blocks));
}
}
final class CustomBlockRule extends BlockRule {
/**
* Initialize a new rule for components.
*
* @param setting The setting which controls the blocking of the components.
* @param filter The setting which contains the list of component names.
*/
public CustomBlockRule(final SettingsEnum setting, final SettingsEnum filter) {
super(setting, filter.getString().split(","));
}
}
abstract class Filter {
final protected LithoBlockRegister pathRegister = new LithoBlockRegister();
final protected LithoBlockRegister identifierRegister = new LithoBlockRegister();
abstract boolean filter(final String path, final String identifier);
}
final class LithoBlockRegister implements Iterable<BlockRule> {
private final ArrayList<BlockRule> blocks = new ArrayList<>();
public void registerAll(BlockRule... blocks) {
this.blocks.addAll(Arrays.asList(blocks));
}
@NonNull
@Override
public Iterator<BlockRule> iterator() {
return blocks.iterator();
}
@RequiresApi(api = Build.VERSION_CODES.N)
@Override
public void forEach(@NonNull Consumer<? super BlockRule> action) {
blocks.forEach(action);
}
@RequiresApi(api = Build.VERSION_CODES.N)
@NonNull
@Override
public Spliterator<BlockRule> spliterator() {
return blocks.spliterator();
}
public boolean contains(String path) {
for (var rule : this) {
if (!rule.isEnabled()) continue;
var result = rule.check(path);
if (result.isBlocked()) {
return true;
}
}
return false;
}
}
public final class LithoFilterPatch {
private static final Filter[] filters = new Filter[]{
new GeneralAdsPatch(),
new ButtonsPatch(),
new CommentsPatch(),
};
public static boolean filter(final StringBuilder pathBuilder, final String identifier) {
var path = pathBuilder.toString();
if (path.isEmpty()) return false;
LogHelper.printDebug(() -> String.format("Searching (ID: %s): %s", identifier, path));
for (var filter : filters) {
if (filter.filter(path, identifier)) return true;
}
return false;
}
}

297
app/src/main/java/app/revanced/integrations/patches/litho/AdsFilter.java Normal file
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package app.revanced.integrations.patches.litho;
import android.view.View;
import app.revanced.integrations.adremover.AdRemoverAPI;
import app.revanced.integrations.settings.SettingsEnum;
import app.revanced.integrations.utils.LogHelper;
import app.revanced.integrations.utils.ReVancedUtils;
public final class AdsFilter extends Filter {
private final String[] EXCEPTIONS;
private final CustomFilterGroup custom;
public AdsFilter() {
EXCEPTIONS = new String[]{
"home_video_with_context",
"related_video_with_context",
"comment_thread", // skip filtering anything in the comments
"|comment.", // skip filtering anything in the comments replies
"library_recent_shelf",
};
custom = new CustomFilterGroup(
SettingsEnum.ADREMOVER_CUSTOM_ENABLED,
SettingsEnum.ADREMOVER_CUSTOM_REMOVAL
);
final var communityPosts = new StringFilterGroup(
SettingsEnum.ADREMOVER_COMMUNITY_POSTS_REMOVAL,
"post_base_wrapper"
);
final var communityGuidelines = new StringFilterGroup(
SettingsEnum.ADREMOVER_COMMUNITY_GUIDELINES_REMOVAL,
"community_guidelines"
);
final var subscribersCommunityGuidelines = new StringFilterGroup(
SettingsEnum.ADREMOVER_SUBSCRIBERS_COMMUNITY_GUIDELINES_REMOVAL,
"sponsorships_comments_upsell"
);
final var channelMemberShelf = new StringFilterGroup(
SettingsEnum.ADREMOVER_CHANNEL_MEMBER_SHELF_REMOVAL,
"member_recognition_shelf"
);
final var compactBanner = new StringFilterGroup(
SettingsEnum.ADREMOVER_COMPACT_BANNER_REMOVAL,
"compact_banner"
);
final var inFeedSurvey = new StringFilterGroup(
SettingsEnum.ADREMOVER_FEED_SURVEY_REMOVAL,
"in_feed_survey",
"slimline_survey"
);
final var medicalPanel = new StringFilterGroup(
SettingsEnum.ADREMOVER_MEDICAL_PANEL_REMOVAL,
"medical_panel"
);
final var paidContent = new StringFilterGroup(
SettingsEnum.ADREMOVER_PAID_CONTENT_REMOVAL,
"paid_content_overlay"
);
final var merchandise = new StringFilterGroup(
SettingsEnum.ADREMOVER_MERCHANDISE_REMOVAL,
"product_carousel"
);
final var infoPanel = new StringFilterGroup(
SettingsEnum.ADREMOVER_INFO_PANEL_REMOVAL,
"publisher_transparency_panel",
"single_item_information_panel"
);
final var latestPosts = new StringFilterGroup(
SettingsEnum.ADREMOVER_HIDE_LATEST_POSTS,
"post_shelf"
);
final var channelGuidelines = new StringFilterGroup(
SettingsEnum.ADREMOVER_HIDE_CHANNEL_GUIDELINES,
"channel_guidelines_entry_banner"
);
final var audioTrackButton = new StringFilterGroup(
SettingsEnum.HIDE_AUDIO_TRACK_BUTTON,
"multi_feed_icon_button"
);
final var artistCard = new StringFilterGroup(
SettingsEnum.HIDE_ARTIST_CARDS,
"official_card"
);
final var selfSponsor = new StringFilterGroup(
SettingsEnum.ADREMOVER_SELF_SPONSOR_REMOVAL,
"cta_shelf_card"
);
final var chapterTeaser = new StringFilterGroup(
SettingsEnum.ADREMOVER_CHAPTER_TEASER_REMOVAL,
"expandable_metadata",
"macro_markers_carousel"
);
final var viewProducts = new StringFilterGroup(
SettingsEnum.ADREMOVER_VIEW_PRODUCTS,
"product_item",
"products_in_video"
);
final var webLinkPanel = new StringFilterGroup(
SettingsEnum.ADREMOVER_WEB_SEARCH_RESULTS,
"web_link_panel"
);
final var channelBar = new StringFilterGroup(
SettingsEnum.ADREMOVER_CHANNEL_BAR,
"channel_bar"
);
final var relatedVideos = new StringFilterGroup(
SettingsEnum.ADREMOVER_RELATED_VIDEOS,
"fullscreen_related_videos"
);
final var quickActions = new StringFilterGroup(
SettingsEnum.ADREMOVER_QUICK_ACTIONS,
"quick_actions"
);
final var imageShelf = new StringFilterGroup(
SettingsEnum.ADREMOVER_IMAGE_SHELF,
"image_shelf"
);
final var graySeparator = new StringFilterGroup(
SettingsEnum.ADREMOVER_GRAY_SEPARATOR,
"cell_divider" // layout residue (gray line above the buttoned ad),
);
final var buttonedAd = new StringFilterGroup(
SettingsEnum.ADREMOVER_BUTTONED_REMOVAL,
"_buttoned_layout",
"full_width_square_image_layout",
"_ad_with",
"video_display_button_group_layout",
"landscape_image_wide_button_layout"
);
final var generalAds = new StringFilterGroup(
SettingsEnum.ADREMOVER_GENERAL_ADS_REMOVAL,
"ads_video_with_context",
"banner_text_icon",
"square_image_layout",
"watch_metadata_app_promo",
"video_display_full_layout",
"hero_promo_image",
"statement_banner",
"carousel_footered_layout",
"text_image_button_layout",
"primetime_promo",
"product_details",
"full_width_portrait_image_layout",
"brand_video_shelf"
);
final var movieAds = new StringFilterGroup(
SettingsEnum.ADREMOVER_MOVIE_REMOVAL,
"browsy_bar",
"compact_movie",
"horizontal_movie_shelf",
"movie_and_show_upsell_card",
"compact_tvfilm_item",
"offer_module_root"
);
this.pathFilterGroups.addAll(
generalAds,
buttonedAd,
channelBar,
communityPosts,
paidContent,
latestPosts,
movieAds,
chapterTeaser,
communityGuidelines,
quickActions,
relatedVideos,
compactBanner,
inFeedSurvey,
viewProducts,
medicalPanel,
merchandise,
infoPanel,
channelGuidelines,
audioTrackButton,
artistCard,
selfSponsor,
webLinkPanel,
imageShelf,
subscribersCommunityGuidelines,
channelMemberShelf
);
final var carouselAd = new StringFilterGroup(
SettingsEnum.ADREMOVER_GENERAL_ADS_REMOVAL,
"carousel_ad"
);
final var shorts = new StringFilterGroup(
SettingsEnum.ADREMOVER_SHORTS_REMOVAL,
"reels_player_overlay",
"shorts_shelf",
"inline_shorts",
"shorts_grid"
);
this.identifierFilterGroups.addAll(
shorts,
graySeparator,
carouselAd
);
}
@Override
public boolean isFiltered(final String path, final String identifier, final byte[] _protobufBufferArray) {
FilterResult result;
if (custom.isEnabled() && custom.contains(path).isFiltered())
result = FilterResult.CUSTOM;
else if (ReVancedUtils.containsAny(path, EXCEPTIONS))
result = FilterResult.EXCEPTION;
else if (pathFilterGroups.contains(path) || identifierFilterGroups.contains(identifier))
result = FilterResult.FILTERED;
else
result = FilterResult.UNFILTERED;
LogHelper.printDebug(() -> String.format("%s (ID: %s): %s", result.message, identifier, path));
return result.filter;
}
private enum FilterResult {
UNFILTERED(false, "Unfiltered"),
EXCEPTION(false, "Exception"),
FILTERED(true, "Filtered"),
CUSTOM(true, "Custom");
final Boolean filter;
final String message;
FilterResult(boolean filter, String message) {
this.filter = filter;
this.message = message;
}
}
/**
* Hide a view.
*
* @param condition The setting to check for hiding the view.
* @param view The view to hide.
*/
private static void hideView(SettingsEnum condition, View view) {
if (!condition.getBoolean()) return;
LogHelper.printDebug(() -> "Hiding view with setting: " + condition);
AdRemoverAPI.HideViewWithLayout1dp(view);
}
/**
* Hide the view, which shows ads in the homepage.
*
* @param view The view, which shows ads.
*/
public static void hideAdAttributionView(View view) {
hideView(SettingsEnum.ADREMOVER_GENERAL_ADS_REMOVAL, view);
}
/**
* Hide the view, which shows reels in the homepage.
*
* @param view The view, which shows reels.
*/
public static void hideReelView(View view) {
hideView(SettingsEnum.ADREMOVER_SHORTS_REMOVAL, view);
}
}

54
app/src/main/java/app/revanced/integrations/patches/litho/ButtonsFilter.java Normal file
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package app.revanced.integrations.patches.litho;
import app.revanced.integrations.settings.SettingsEnum;
final class ButtonsFilter extends Filter {
private final StringFilterGroup actionBarRule;
public ButtonsFilter() {
actionBarRule = new StringFilterGroup(
null,
"video_action_bar"
);
pathFilterGroups.addAll(
new StringFilterGroup(
SettingsEnum.HIDE_LIKE_DISLIKE_BUTTON,
"|like_button",
"dislike_button"
),
new StringFilterGroup(
SettingsEnum.HIDE_DOWNLOAD_BUTTON,
"download_button"
),
new StringFilterGroup(
SettingsEnum.HIDE_PLAYLIST_BUTTON,
"save_to_playlist_button"
),
new StringFilterGroup(
SettingsEnum.HIDE_CLIP_BUTTON,
"|clip_button.eml|"
),
new StringFilterGroup(
SettingsEnum.HIDE_ACTION_BUTTONS,
"ContainerType|video_action_button",
"|CellType|CollectionType|CellType|ContainerType|button.eml|"
)
);
}
private boolean isEveryFilterGroupEnabled() {
for (StringFilterGroup rule : pathFilterGroups)
if (!rule.isEnabled()) return false;
return true;
}
@Override
public boolean isFiltered(final String path, final String identifier, final byte[] _protobufBufferArray) {
if (isEveryFilterGroupEnabled())
if (actionBarRule.contains(identifier).isFiltered()) return true;
return super.isFiltered(path, identifier, _protobufBufferArray);
}
}

26
app/src/main/java/app/revanced/integrations/patches/litho/CommentsFilter.java Normal file
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package app.revanced.integrations.patches.litho;
import app.revanced.integrations.settings.SettingsEnum;
final class CommentsFilter extends Filter {
public CommentsFilter() {
var comments = new StringFilterGroup(
SettingsEnum.HIDE_COMMENTS_SECTION,
"video_metadata_carousel",
"_comments"
);
var previewComment = new StringFilterGroup(
SettingsEnum.HIDE_PREVIEW_COMMENT,
"|carousel_item",
"comments_entry_point_teaser",
"comments_entry_point_simplebox"
);
this.pathFilterGroups.addAll(
comments,
previewComment
);
}
}

249
app/src/main/java/app/revanced/integrations/patches/litho/LithoFilterPatch.java Normal file
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package app.revanced.integrations.patches.litho;
import android.os.Build;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.Spliterator;
import java.util.function.Consumer;
import app.revanced.integrations.settings.SettingsEnum;
import app.revanced.integrations.utils.LogHelper;
import app.revanced.integrations.utils.ReVancedUtils;
abstract class FilterGroup<T> {
final static class FilterGroupResult {
private final boolean filtered;
private final SettingsEnum setting;
public FilterGroupResult(final SettingsEnum setting, final boolean filtered) {
this.setting = setting;
this.filtered = filtered;
}
public SettingsEnum getSetting() {
return setting;
}
public boolean isFiltered() {
return filtered;
}
}
protected final SettingsEnum setting;
protected final T[] filters;
/**
* Initialize a new filter group.
*
* @param setting The associated setting.
* @param filters The filters.
*/
@SafeVarargs
public FilterGroup(final SettingsEnum setting, final T... filters) {
this.setting = setting;
this.filters = filters;
}
public boolean isEnabled() {
return setting.getBoolean();
}
public abstract FilterGroupResult contains(final T stack);
}
class StringFilterGroup extends FilterGroup<String> {
/**
* {@link FilterGroup#FilterGroup(SettingsEnum, Object[])}
*/
public StringFilterGroup(final SettingsEnum setting, final String... filters) {
super(setting, filters);
}
@Override
public FilterGroupResult contains(final String string) {
return new FilterGroupResult(setting, string != null && ReVancedUtils.containsAny(string, filters));
}
}
final class CustomFilterGroup extends StringFilterGroup {
/**
* {@link FilterGroup#FilterGroup(SettingsEnum, Object[])}
*/
public CustomFilterGroup(final SettingsEnum setting, final SettingsEnum filter) {
super(setting, filter.getString().split(","));
}
}
final class ByteArrayFilterGroup extends FilterGroup<byte[]> {
// Modified implementation from https://stackoverflow.com/a/1507813
private int indexOf(final byte[] data, final byte[] pattern) {
// Computes the failure function using a boot-strapping process,
// where the pattern is matched against itself.
final int[] failure = new int[pattern.length];
int j = 0;
for (int i = 1; i < pattern.length; i++) {
while (j > 0 && pattern[j] != pattern[i]) {
j = failure[j - 1];
}
if (pattern[j] == pattern[i]) {
j++;
}
failure[i] = j;
}
// Finds the first occurrence of the pattern in the byte array using
// KNP matching algorithm.
j = 0;
if (data.length == 0) return -1;
for (int i = 0; i < data.length; i++) {
while (j > 0 && pattern[j] != data[i]) {
j = failure[j - 1];
}
if (pattern[j] == data[i]) {
j++;
}
if (j == pattern.length) {
return i - pattern.length + 1;
}
}
return -1;
}
/**
* {@link FilterGroup#FilterGroup(SettingsEnum, Object[])}
*/
public ByteArrayFilterGroup(final SettingsEnum setting, final byte[]... filters) {
super(setting, filters);
}
@Override
public FilterGroupResult contains(final byte[] bytes) {
var matched = false;
for (byte[] filter : filters) {
if (indexOf(bytes, filter) == -1) continue;
matched = true;
break;
}
final var filtered = matched;
return new FilterGroupResult(setting, filtered);
}
}
abstract class FilterGroupList<V, T extends FilterGroup<V>> implements Iterable<T> {
private final ArrayList<T> filterGroups = new ArrayList<>();
@SafeVarargs
protected final void addAll(final T... filterGroups) {
this.filterGroups.addAll(Arrays.asList(filterGroups));
}
@NonNull
@Override
public Iterator<T> iterator() {
return filterGroups.iterator();
}
@RequiresApi(api = Build.VERSION_CODES.N)
@Override
public void forEach(@NonNull Consumer<? super T> action) {
filterGroups.forEach(action);
}
@RequiresApi(api = Build.VERSION_CODES.N)
@NonNull
@Override
public Spliterator<T> spliterator() {
return filterGroups.spliterator();
}
protected boolean contains(final V stack) {
for (T filterGroup : this) {
if (!filterGroup.isEnabled()) continue;
var result = filterGroup.contains(stack);
if (result.isFiltered()) {
return true;
}
}
return false;
}
}
final class StringFilterGroupList extends FilterGroupList<String, StringFilterGroup> {
}
final class ByteArrayFilterGroupList extends FilterGroupList<byte[], ByteArrayFilterGroup> {
}
abstract class Filter {
final protected StringFilterGroupList pathFilterGroups = new StringFilterGroupList();
final protected StringFilterGroupList identifierFilterGroups = new StringFilterGroupList();
final protected ByteArrayFilterGroupList protobufBufferFilterGroup = new ByteArrayFilterGroupList();
/**
* Check if the given path, identifier or protobuf buffer is filtered by any {@link FilterGroup}.
* @return True if filtered, false otherwise.
*/
boolean isFiltered(final String path, final String identifier, final byte[] protobufBufferArray) {
if (pathFilterGroups.contains(path)) {
LogHelper.printDebug(() -> String.format("Filtered path: %s", path));
return true;
}
if (identifierFilterGroups.contains(identifier)) {
LogHelper.printDebug(() -> String.format("Filtered identifier: %s", identifier));
return true;
}
if (protobufBufferFilterGroup.contains(protobufBufferArray)) {
LogHelper.printDebug(() -> "Filtered from protobuf-buffer");
return true;
}
return false;
}
}
@SuppressWarnings("unused")
public final class LithoFilterPatch {
private static final Filter[] filters = new Filter[]{
new AdsFilter(),
new ButtonsFilter(),
new CommentsFilter(),
};
@SuppressWarnings("unused")
public static boolean filter(final StringBuilder pathBuilder, final String identifier, final ByteBuffer protobufBuffer) {
var path = pathBuilder.toString();
// It is assumed that protobufBuffer is empty as well in this case.
if (path.isEmpty()) return false;
LogHelper.printDebug(() -> String.format(
"Searching (ID: %s, Buffer-size: %s): %s",
identifier, protobufBuffer.remaining(), path
));
var protobufBufferArray = protobufBuffer.array();
// check if any filter-group
for (var filter : filters)
if (filter.isFiltered(path, identifier, protobufBufferArray)) return true;
return false;
}
}