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273 lines
11 KiB
Java
273 lines
11 KiB
Java
package com.fox2code.mmm.repo;
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import android.content.SharedPreferences;
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import android.net.Uri;
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import androidx.annotation.NonNull;
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import com.fox2code.mmm.AppUpdateManager;
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import com.fox2code.mmm.BuildConfig;
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import com.fox2code.mmm.MainApplication;
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import com.fox2code.mmm.R;
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import com.fox2code.mmm.XRepo;
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import com.fox2code.mmm.manager.ModuleInfo;
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import com.fox2code.mmm.utils.Files;
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import com.fox2code.mmm.utils.PropUtils;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.File;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.security.NoSuchAlgorithmException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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public class RepoData extends XRepo {
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private final Object populateLock = new Object();
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public final String url;
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public final String id;
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public final File cacheRoot;
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public final SharedPreferences cachedPreferences;
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public final File metaDataCache;
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public final HashMap<String, RepoModule> moduleHashMap;
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public long lastUpdate;
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protected String defaultName, defaultWebsite,
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defaultSupport, defaultDonate, defaultSubmitModule;
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public String name, website, support, donate, submitModule;
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private boolean forceHide, enabled; // Cache for speed
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protected RepoData(String url, File cacheRoot, SharedPreferences cachedPreferences) {
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this.url = url;
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this.id = RepoManager.internalIdOfUrl(url);
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this.cacheRoot = cacheRoot;
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this.cachedPreferences = cachedPreferences;
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this.metaDataCache = new File(cacheRoot, "modules.json");
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this.moduleHashMap = new HashMap<>();
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this.defaultName = url; // Set url as default name
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this.forceHide = AppUpdateManager.shouldForceHide(this.id);
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this.enabled = (!this.forceHide) && MainApplication.getSharedPreferences()
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.getBoolean("pref_" + this.id + "_enabled", this.isEnabledByDefault());
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this.defaultWebsite = "https://" + Uri.parse(url).getHost() + "/";
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if (!this.cacheRoot.isDirectory()) {
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boolean mkdirs = this.cacheRoot.mkdirs();
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if (!mkdirs) {
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throw new RuntimeException("Failed to create cache directory");
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}
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} else {
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if (this.metaDataCache.exists()) {
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this.lastUpdate = metaDataCache.lastModified();
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if (this.lastUpdate > System.currentTimeMillis()) {
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this.lastUpdate = 0; // Don't allow time travel
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}
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try {
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List<RepoModule> modules = this.populate(new JSONObject(
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new String(Files.read(this.metaDataCache), StandardCharsets.UTF_8)));
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for (RepoModule repoModule : modules) {
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if (!this.tryLoadMetadata(repoModule)) {
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repoModule.moduleInfo.flags &= ~ModuleInfo.FLAG_METADATA_INVALID;
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}
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}
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} catch (Exception e) {
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boolean delete = this.metaDataCache.delete();
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if (!delete) {
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throw new RuntimeException("Failed to delete invalid cache file");
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}
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}
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}
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}
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}
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protected boolean prepare() throws NoSuchAlgorithmException {
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return true;
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}
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protected List<RepoModule> populate(JSONObject jsonObject) throws JSONException, NoSuchAlgorithmException {
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List<RepoModule> newModules = new ArrayList<>();
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synchronized (this.populateLock) {
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String name = jsonObject.getString("name").trim();
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String nameForModules = name.endsWith(" (Official)") ?
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name.substring(0, name.length() - 11) : name;
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long lastUpdate = jsonObject.getLong("last_update");
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for (RepoModule repoModule : this.moduleHashMap.values()) {
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repoModule.processed = false;
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}
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JSONArray array = jsonObject.getJSONArray("modules");
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int len = array.length();
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for (int i = 0; i < len; i++) {
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JSONObject module = array.getJSONObject(i);
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String moduleId = module.getString("id");
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// Deny remote modules ids shorter than 3 chars or containing null char or space
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if (moduleId.length() < 3 || moduleId.indexOf('\0') != -1 ||
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moduleId.indexOf(' ') != -1 || "ak3-helper".equals(moduleId)) continue;
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long moduleLastUpdate = module.getLong("last_update");
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String moduleNotesUrl = module.getString("notes_url");
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String modulePropsUrl = module.getString("prop_url");
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String moduleZipUrl = module.getString("zip_url");
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String moduleChecksum = module.optString("checksum");
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String moduleStars = module.optString("stars");
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String moduleDownloads = module.optString("downloads");
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RepoModule repoModule = this.moduleHashMap.get(moduleId);
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if (repoModule == null) {
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repoModule = new RepoModule(this, moduleId);
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this.moduleHashMap.put(moduleId, repoModule);
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newModules.add(repoModule);
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} else {
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if (repoModule.lastUpdated < moduleLastUpdate ||
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repoModule.moduleInfo.hasFlag(ModuleInfo.FLAG_METADATA_INVALID)) {
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newModules.add(repoModule);
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}
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}
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repoModule.processed = true;
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repoModule.repoName = nameForModules;
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repoModule.lastUpdated = moduleLastUpdate;
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repoModule.notesUrl = moduleNotesUrl;
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repoModule.propUrl = modulePropsUrl;
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repoModule.zipUrl = moduleZipUrl;
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repoModule.checksum = moduleChecksum;
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if (!moduleStars.isEmpty()) {
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try {
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repoModule.qualityValue = Integer.parseInt(moduleStars);
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repoModule.qualityText = R.string.module_stars;
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} catch (NumberFormatException ignored) {}
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} else if (!moduleDownloads.isEmpty()) {
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try {
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repoModule.qualityValue = Integer.parseInt(moduleDownloads);
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repoModule.qualityText = R.string.module_downloads;
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} catch (NumberFormatException ignored) {}
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}
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}
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// Remove no longer existing modules
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Iterator<RepoModule> moduleInfoIterator = this.moduleHashMap.values().iterator();
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while (moduleInfoIterator.hasNext()) {
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RepoModule repoModule = moduleInfoIterator.next();
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if (!repoModule.processed) {
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boolean delete = new File(this.cacheRoot, repoModule.id + ".prop").delete();
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if (!delete) {
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throw new RuntimeException("Failed to delete module metadata");
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}
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moduleInfoIterator.remove();
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} else {
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repoModule.moduleInfo.verify();
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}
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}
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// Update final metadata
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this.name = name;
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this.lastUpdate = lastUpdate;
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this.website = jsonObject.optString("website");
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this.support = jsonObject.optString("support");
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this.donate = jsonObject.optString("donate");
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this.submitModule = jsonObject.optString("submitModule");
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}
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return newModules;
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}
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@Override
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public boolean isEnabledByDefault() {
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return BuildConfig.ENABLED_REPOS.contains(this.id);
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}
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public void storeMetadata(RepoModule repoModule,byte[] data) throws IOException {
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Files.write(new File(this.cacheRoot, repoModule.id + ".prop"), data);
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}
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public boolean tryLoadMetadata(RepoModule repoModule) {
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File file = new File(this.cacheRoot, repoModule.id + ".prop");
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if (file.exists()) {
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try {
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ModuleInfo moduleInfo = repoModule.moduleInfo;
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PropUtils.readProperties(moduleInfo, file.getAbsolutePath(),
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repoModule.repoName + "/" + moduleInfo.name, false);
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moduleInfo.flags &= ~ModuleInfo.FLAG_METADATA_INVALID;
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if (moduleInfo.version == null) {
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moduleInfo.version = "v" + moduleInfo.versionCode;
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}
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return true;
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} catch (Exception ignored) {
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boolean delete = file.delete();
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if (!delete) {
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throw new RuntimeException("Failed to delete invalid metadata file");
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}
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}
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}
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repoModule.moduleInfo.flags |= ModuleInfo.FLAG_METADATA_INVALID;
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return false;
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}
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@Override
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public boolean isEnabled() {
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return this.enabled;
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}
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@Override
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public void setEnabled(boolean enabled) {
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this.enabled = enabled && !this.forceHide;
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MainApplication.getSharedPreferences().edit()
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.putBoolean("pref_" + this.getPreferenceId() + "_enabled", enabled).apply();
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}
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public void updateEnabledState() {
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this.forceHide = AppUpdateManager.shouldForceHide(this.id);
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this.enabled = (!this.forceHide) && MainApplication.getSharedPreferences()
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.getBoolean("pref_" + this.getPreferenceId() + "_enabled", this.isEnabledByDefault());
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}
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public String getUrl() throws NoSuchAlgorithmException {
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return this.url;
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}
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public String getPreferenceId() {
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return this.id;
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}
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private static boolean isNonNull(String str) {
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return str != null && !str.isEmpty() && !"null".equals(str);
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}
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// Repo data info getters
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@NonNull
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@Override
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public String getName() {
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if (isNonNull(this.name))
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return this.name;
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if (this.defaultName != null)
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return this.defaultName;
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return this.url;
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}
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@NonNull
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public String getWebsite() {
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if (isNonNull(this.website))
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return this.website;
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if (this.defaultWebsite != null)
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return this.defaultWebsite;
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return this.url;
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}
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public String getSupport() {
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if (isNonNull(this.support))
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return this.support;
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return this.defaultSupport;
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}
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public String getDonate() {
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if (isNonNull(this.donate))
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return this.donate;
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return this.defaultDonate;
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}
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public String getSubmitModule() {
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if (isNonNull(this.submitModule))
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return this.submitModule;
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return this.defaultSubmitModule;
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}
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public final boolean isForceHide() {
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return this.forceHide;
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}
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}
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