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230 lines
10 KiB
Java
230 lines
10 KiB
Java
package com.fox2code.mmm.repo;
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import android.annotation.SuppressLint;
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import android.content.SharedPreferences;
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import android.util.Log;
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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.Http;
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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.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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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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import java.util.Map;
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import java.util.Objects;
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public class RepoData {
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private final Object populateLock = new Object();
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public final String url;
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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 boolean special;
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public final HashMap<String, RepoModule> moduleHashMap;
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public long lastUpdate;
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public String name;
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private final Map<String, Long> specialTimes;
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private long specialLastUpdate;
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RepoData(String url, File cacheRoot, SharedPreferences cachedPreferences) {
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this(url, cacheRoot, cachedPreferences, false);
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}
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RepoData(String url, File cacheRoot, SharedPreferences cachedPreferences,boolean special) {
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this.url = 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.special = special;
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this.moduleHashMap = new HashMap<>();
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this.name = this.url; // Set url as default name
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this.specialTimes = special ? new HashMap<>() : Collections.emptyMap();
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if (!this.cacheRoot.isDirectory()) {
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this.cacheRoot.mkdirs();
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} else {
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if (special) { // Special times need to be loaded before populate
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File metaDataCacheSpecial = new File(cacheRoot, "modules_times.json");
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if (metaDataCacheSpecial.exists()) {
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try {
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JSONArray jsonArray = new JSONArray(new String(
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Files.read(this.metaDataCache), StandardCharsets.UTF_8));
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for (int i = 0; i < jsonArray.length(); i++) {
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JSONObject jsonObject = jsonArray.getJSONObject(i);
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this.specialTimes.put(jsonObject.getString("name"),
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Objects.requireNonNull(ISO_OFFSET_DATE_TIME.parse(
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jsonObject.getString("pushed_at"))).getTime());
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Log.d("RepoData", "Got " +
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jsonObject.getString("name") + " from local storage!");
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}
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this.specialLastUpdate = metaDataCacheSpecial.lastModified();
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if (this.specialLastUpdate > System.currentTimeMillis()) {
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this.specialLastUpdate = 0; // Don't allow time travel
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}
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} catch (Exception e) {
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metaDataCacheSpecial.delete();
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}
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}
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}
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if (this.metaDataCache.exists()) {
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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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this.metaDataCache.delete();
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}
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}
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}
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}
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List<RepoModule> populate(JSONObject jsonObject) throws JSONException {
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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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Log.d("RepoData", "Data: " + this.specialTimes.toString());
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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 long or that start with a digit
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if (moduleId.length() < 3 || Character.isDigit(moduleId.charAt(0))) continue;
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Long moduleLastUpdateSpecial = this.specialTimes.get(moduleId);
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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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if (moduleLastUpdateSpecial != null) { // Fix last update time
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Log.d("RepoData", "Data: " + moduleLastUpdate + " -> " +
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moduleLastUpdateSpecial + " for " + moduleId);
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moduleLastUpdate = Math.max(moduleLastUpdate, moduleLastUpdateSpecial);
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moduleNotesUrl = Http.updateLink(moduleNotesUrl);
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modulePropsUrl = Http.updateLink(modulePropsUrl);
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moduleZipUrl = Http.updateLink(moduleZipUrl);
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} else {
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moduleNotesUrl = Http.fixUpLink(moduleNotesUrl);
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modulePropsUrl = Http.fixUpLink(modulePropsUrl);
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moduleZipUrl = Http.fixUpLink(moduleZipUrl);
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}
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RepoModule repoModule = this.moduleHashMap.get(moduleId);
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if (repoModule == null) {
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repoModule = new RepoModule(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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}
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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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new File(this.cacheRoot, repoModule.id + ".prop").delete();
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moduleInfoIterator.remove();
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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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}
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return newModules;
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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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file.delete();
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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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@SuppressLint("SimpleDateFormat")
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private static final SimpleDateFormat ISO_OFFSET_DATE_TIME =
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new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
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public void updateSpecialTimes(boolean force) throws IOException, JSONException {
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if (!this.special) return;
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synchronized (this.populateLock) {
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if (this.specialLastUpdate == 0L ||
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(force && this.specialLastUpdate < System.currentTimeMillis() - 60000L)) {
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File metaDataCacheSpecial = new File(cacheRoot, "modules_times.json");
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this.specialTimes.clear();
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try {
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byte[] data = Http.doHttpGet(
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"https://api.github.com/users/Magisk-Modules-Repo/repos",
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false);
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JSONArray jsonArray = new JSONArray(new String(data, StandardCharsets.UTF_8));
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for (int i = 0;i < jsonArray.length();i++) {
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JSONObject jsonObject = jsonArray.optJSONObject(i);
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this.specialTimes.put(jsonObject.getString("name"),
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Objects.requireNonNull(ISO_OFFSET_DATE_TIME.parse(
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jsonObject.getString("pushed_at"))).getTime());
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}
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Files.write(metaDataCacheSpecial, data);
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this.specialLastUpdate = System.currentTimeMillis();
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} catch (ParseException e) {
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throw new IOException(e);
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}
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}
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}
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}
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public String getNameOrFallback(String fallback) {
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return this.name == null ||
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this.name.equals(this.url) ?
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fallback : this.name;
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}
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}
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