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Merge branch 'cleancacheservice' into 'master'

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CleanCacheService

This creates `CleanCacheService` to do all of the cache clean up at the lowest possible priority.  It also adds a preference to set how long to keep cached APKs.

See merge request !260
This commit is contained in:
Daniel Martí 2016-05-02 23:15:47 +00:00
commit 3563e586c4
16 changed files with 254 additions and 116 deletions
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35
app/src/androidTest/java/org/fdroid/fdroid/UtilsTest.java
View File

@ -1,13 +1,18 @@
package org.fdroid.fdroid;
import android.app.Instrumentation;
import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;
import org.apache.commons.io.FileUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.File;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@ -137,4 +142,34 @@ public class UtilsTest {
}
// TODO write tests that work with a Certificate
@Test
public void testClearOldFiles() throws IOException, InterruptedException {
Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
File dir = new File(TestUtils.getWriteableDir(instrumentation), "clearOldFiles");
FileUtils.deleteQuietly(dir);
dir.mkdirs();
assertTrue(dir.isDirectory());
File first = new File(dir, "first");
File second = new File(dir, "second");
assertFalse(first.exists());
assertFalse(second.exists());
first.createNewFile();
assertTrue(first.exists());
Thread.sleep(7000);
second.createNewFile();
assertTrue(second.exists());
Utils.clearOldFiles(dir, 3);
assertFalse(first.exists());
assertTrue(second.exists());
Thread.sleep(7000);
Utils.clearOldFiles(dir, 3);
assertFalse(first.exists());
assertFalse(second.exists());
}
}

3
app/src/main/AndroidManifest.xml
View File

@ -445,6 +445,9 @@
<service
android:name=".net.DownloadCompleteService"
android:exported="false" />
<service
android:name=".CleanCacheService"
android:exported="false" />
<service android:name=".net.WifiStateChangeService" />
<service android:name=".localrepo.SwapService" />
</application>

84
app/src/main/java/org/fdroid/fdroid/CleanCacheService.java Normal file
View File

@ -0,0 +1,84 @@
package org.fdroid.fdroid;
import android.app.AlarmManager;
import android.app.IntentService;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Process;
import android.os.SystemClock;
import android.util.Log;
import org.apache.commons.io.FileUtils;
import java.io.File;
/**
* Handles cleaning up caches files that are not going to be used, and do not
* block the operation of the app itself. For things that must happen before
* F-Droid starts normal operation, that should go into
* {@link FDroidApp#onCreate()}
*/
public class CleanCacheService extends IntentService {
public static final String TAG = "CleanCacheService";
/**
* Schedule or cancel this service to update the app index, according to the
* current preferences. Should be called a) at boot, b) if the preference
* is changed, or c) on startup, in case we get upgraded.
*/
public static void schedule(Context context) {
long keepTime = Preferences.get().getKeepCacheTime();
long interval = 604800000; // 1 day
if (keepTime < interval) {
interval = keepTime * 1000;
}
Log.i(TAG, "schedule " + keepTime + " " + interval);
Intent intent = new Intent(context, CleanCacheService.class);
PendingIntent pending = PendingIntent.getService(context, 0, intent, 0);
AlarmManager alarm = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
alarm.cancel(pending);
alarm.setInexactRepeating(AlarmManager.ELAPSED_REALTIME,
SystemClock.elapsedRealtime() + 5000, interval, pending);
}
public CleanCacheService() {
super("CleanCacheService");
}
@Override
protected void onHandleIntent(Intent intent) {
Process.setThreadPriority(Process.THREAD_PRIORITY_LOWEST);
Utils.clearOldFiles(Utils.getApkCacheDir(this), Preferences.get().getKeepCacheTime());
deleteStrayIndexFiles();
}
/**
* Delete index files which were downloaded, but not removed (e.g. due to F-Droid being
* force closed during processing of the file, before getting a chance to delete). This
* may include both "index-*-downloaded" and "index-*-extracted.xml" files.
* <p/>
* Note that if the SD card is not ready, then the cache directory will probably not be
* available. In this situation no files will be deleted (and thus they may still exist
* after the SD card becomes available).
*/
private void deleteStrayIndexFiles() {
File cacheDir = getCacheDir();
if (cacheDir == null) {
return;
}
final File[] files = cacheDir.listFiles();
if (files == null) {
return;
}
for (File f : files) {
if (f.getName().startsWith("index-")) {
FileUtils.deleteQuietly(f);
}
}
}
}

50
app/src/main/java/org/fdroid/fdroid/FDroidApp.java
View File

@ -136,6 +136,9 @@ public class FDroidApp extends Application {
}
}
/**
* Initialize the settings needed to run a local swap repo.
*/
public static void initWifiSettings() {
port = 8888;
ipAddressString = null;
@ -182,26 +185,14 @@ public class FDroidApp extends Application {
updateLanguage();
ACRA.init(this);
// Needs to be setup before anything else tries to access it.
// Perhaps the constructor is a better place, but then again,
// it is more deterministic as to when this gets called...
Preferences.setup(this);
curTheme = Preferences.get().getTheme();
// Apply the Google PRNG fixes to properly seed SecureRandom
PRNGFixes.apply();
// Check that the installed app cache hasn't gotten out of sync somehow.
// e.g. if we crashed/ran out of battery half way through responding
// to a package installed intent. It doesn't really matter where
// we put this in the bootstrap process, because it runs on a different
// thread, which will be delayed by some seconds to avoid an error where
// the database is locked due to the database updater.
InstalledAppCacheUpdater.updateInBackground(getApplicationContext());
// make sure the current proxy stuff is configured
Preferences.setup(this);
curTheme = Preferences.get().getTheme();
Preferences.get().configureProxy();
InstalledAppCacheUpdater.updateInBackground(getApplicationContext());
// If the user changes the preference to do with filtering rooted apps,
// it is easier to just notify a change in the app provider,
// so that the newly updated list will correctly filter relevant apps.
@ -230,29 +221,7 @@ public class FDroidApp extends Application {
}
});
// Clear cached apk files. We used to just remove them after they'd
// been installed, but this causes problems for proprietary gapps
// users since the introduction of verification (on pre-4.2 Android),
// because the install intent says it's finished when it hasn't.
if (!Preferences.get().shouldCacheApks()) {
Utils.deleteFiles(Utils.getApkCacheDir(this), null, ".apk");
}
// Index files which downloaded, but were not removed (e.g. due to F-Droid being force
// closed during processing of the file, before getting a chance to delete). This may
// include both "index-*-downloaded" and "index-*-extracted.xml" files. The first is from
// either signed or unsigned repos, and the later is from signed repos.
Utils.deleteFiles(getCacheDir(), "index-", null);
// As above, but for legacy F-Droid clients that downloaded under a different name, and
// extracted to the files directory rather than the cache directory.
// TODO: This can be removed in a a few months or a year (e.g. 2016) because people will
// have upgraded their clients, this code will have executed, and they will not have any
// left over files any more. Even if they do hold off upgrading until this code is removed,
// the only side effect is that they will have a few more MiB of storage taken up on their
// device until they uninstall and re-install F-Droid.
Utils.deleteFiles(getCacheDir(), "dl-", null);
Utils.deleteFiles(getFilesDir(), "index-", null);
CleanCacheService.schedule(this);
UpdateService.schedule(getApplicationContext());
bluetoothAdapter = getBluetoothAdapter();
@ -278,9 +247,6 @@ public class FDroidApp extends Application {
.build();
ImageLoader.getInstance().init(config);
// TODO reintroduce PinningTrustManager and MemorizingTrustManager
// initialized the local repo information
FDroidApp.initWifiSettings();
startService(new Intent(this, WifiStateChangeService.class));
// if the HTTPS pref changes, then update all affected things

37
app/src/main/java/org/fdroid/fdroid/Preferences.java
View File

@ -32,9 +32,11 @@ public final class Preferences implements SharedPreferences.OnSharedPreferenceCh
private static final String TAG = "Preferences";
private final Context context;
private final SharedPreferences preferences;
private Preferences(Context context) {
this.context = context;
preferences = PreferenceManager.getDefaultSharedPreferences(context);
preferences.registerOnSharedPreferenceChangeListener(this);
if (preferences.getString(PREF_LOCAL_REPO_NAME, null) == null) {
@ -52,7 +54,7 @@ public final class Preferences implements SharedPreferences.OnSharedPreferenceCh
public static final String PREF_INCOMP_VER = "incompatibleVersions";
public static final String PREF_THEME = "theme";
public static final String PREF_IGN_TOUCH = "ignoreTouchscreen";
public static final String PREF_CACHE_APK = "cacheDownloaded";
public static final String PREF_KEEP_CACHE_TIME = "keepCacheFor";
public static final String PREF_UNSTABLE_UPDATES = "unstableUpdates";
public static final String PREF_EXPERT = "expert";
public static final String PREF_PRIVILEGED_INSTALLER = "privilegedInstaller";
@ -72,7 +74,7 @@ public final class Preferences implements SharedPreferences.OnSharedPreferenceCh
private static final int DEFAULT_UPD_HISTORY = 14;
private static final boolean DEFAULT_PRIVILEGED_INSTALLER = false;
//private static final boolean DEFAULT_LOCAL_REPO_BONJOUR = true;
private static final boolean DEFAULT_CACHE_APK = false;
private static final long DEFAULT_KEEP_CACHE_SECONDS = 86400; // one day
private static final boolean DEFAULT_UNSTABLE_UPDATES = false;
//private static final boolean DEFAULT_LOCAL_REPO_HTTPS = false;
private static final boolean DEFAULT_INCOMP_VER = false;
@ -139,8 +141,32 @@ public final class Preferences implements SharedPreferences.OnSharedPreferenceCh
PreferencesCompat.apply(preferences.edit().putBoolean(PREF_POST_PRIVILEGED_INSTALL, postInstall));
}
public boolean shouldCacheApks() {
return preferences.getBoolean(PREF_CACHE_APK, DEFAULT_CACHE_APK);
/**
* Old preference replaced by {@link #PREF_KEEP_CACHE_TIME}
*/
private static final String PREF_CACHE_APK = "cacheDownloaded";
/**
* Time in seconds to keep cached files. Anything that has been around longer will be deleted
*/
public long getKeepCacheTime() {
String value = preferences.getString(PREF_KEEP_CACHE_TIME, String.valueOf(DEFAULT_KEEP_CACHE_SECONDS));
if (preferences.contains(PREF_CACHE_APK)) {
if (preferences.getBoolean(PREF_CACHE_APK, false)) {
value = context.getString(R.string.keep_forever);
}
SharedPreferences.Editor editor = preferences.edit();
editor.remove(PREF_CACHE_APK);
editor.putString(PREF_KEEP_CACHE_TIME, value);
PreferencesCompat.apply(editor);
}
try {
return Long.parseLong(value);
} catch (NumberFormatException e) {
return DEFAULT_KEEP_CACHE_SECONDS;
}
}
public boolean getUnstableUpdates() {
@ -347,6 +373,9 @@ public final class Preferences implements SharedPreferences.OnSharedPreferenceCh
private static Preferences instance;
/**
* Needs to be setup before anything else tries to access it.
*/
public static void setup(Context context) {
if (instance != null) {
final String error = "Attempted to reinitialize preferences after it " +

21
app/src/main/java/org/fdroid/fdroid/RepoUpdater.java
View File

@ -92,15 +92,6 @@ public class RepoUpdater {
return hasChanged;
}
private static void cleanupDownloader(Downloader d) {
if (d == null || d.outputFile == null) {
return;
}
if (!d.outputFile.delete()) {
Log.w(TAG, "Couldn't delete file: " + d.outputFile.getAbsolutePath());
}
}
private Downloader downloadIndex() throws UpdateException {
Downloader downloader = null;
try {
@ -115,7 +106,11 @@ public class RepoUpdater {
}
} catch (IOException e) {
cleanupDownloader(downloader);
if (downloader != null && downloader.outputFile != null) {
if (!downloader.outputFile.delete()) {
Log.w(TAG, "Couldn't delete file: " + downloader.outputFile.getAbsolutePath());
}
}
throw new UpdateException(repo, "Error getting index file", e);
} catch (InterruptedException e) {
@ -202,8 +197,10 @@ public class RepoUpdater {
} finally {
FDroidApp.enableSpongyCastleOnLollipop();
Utils.closeQuietly(indexInputStream);
if (downloadedFile != null && !downloadedFile.delete()) {
Log.w(TAG, "Couldn't delete file: " + downloadedFile.getAbsolutePath());
if (downloadedFile != null) {
if (!downloadedFile.delete()) {
Log.w(TAG, "Couldn't delete file: " + downloadedFile.getAbsolutePath());
}
}
}
}

8
app/src/main/java/org/fdroid/fdroid/UpdateService.java
View File

@ -101,9 +101,11 @@ public class UpdateService extends IntentService implements ProgressListener {
context.startService(intent);
}
// Schedule (or cancel schedule for) this service, according to the
// current preferences. Should be called a) at boot, b) if the preference
// is changed, or c) on startup, in case we get upgraded.
/**
* Schedule or cancel this service to update the app index, according to the
* current preferences. Should be called a) at boot, b) if the preference
* is changed, or c) on startup, in case we get upgraded.
*/
public static void schedule(Context ctx) {
SharedPreferences prefs = PreferenceManager

62
app/src/main/java/org/fdroid/fdroid/Utils.java
View File

@ -37,6 +37,7 @@ import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;
import com.nostra13.universalimageloader.utils.StorageUtils;
import org.apache.commons.io.FileUtils;
import org.fdroid.fdroid.compat.FileCompat;
import org.fdroid.fdroid.data.Apk;
import org.fdroid.fdroid.data.Repo;
@ -325,14 +326,37 @@ public final class Utils {
* Using {@link org.fdroid.fdroid.installer.Installer#installPackage(File, String, String)}
* is fine since that does the right thing.
*/
public static SanitizedFile getApkCacheDir(Context context) {
final SanitizedFile apkCacheDir = new SanitizedFile(StorageUtils.getCacheDirectory(context, true), "apks");
public static File getApkCacheDir(Context context) {
File apkCacheDir = new File(StorageUtils.getCacheDirectory(context, true), "apks");
if (apkCacheDir.isFile()) {
apkCacheDir.delete();
}
if (!apkCacheDir.exists()) {
apkCacheDir.mkdir();
}
return apkCacheDir;
}
/**
* Recursively delete files in {@code dir} that were last modified
* {@code secondsAgo} seconds ago, e.g. when it was downloaded.
*
* @param dir The directory to recurse in
* @param secondsAgo The number of seconds old that marks a file for deletion.
*/
public static void clearOldFiles(File dir, long secondsAgo) {
long olderThan = System.currentTimeMillis() - (secondsAgo * 1000L);
for (File f : dir.listFiles()) {
if (f.isDirectory()) {
clearOldFiles(f, olderThan);
f.delete();
}
if (FileUtils.isFileOlder(f, olderThan)) {
f.delete();
}
}
}
public static String calcFingerprint(String keyHexString) {
if (TextUtils.isEmpty(keyHexString)
|| keyHexString.matches(".*[^a-fA-F0-9].*")) {
@ -647,40 +671,6 @@ public final class Utils {
}
}
/**
* Remove all files from the {@param directory} either beginning with {@param startsWith}
* or ending with {@param endsWith}. Note that if the SD card is not ready, then the
* cache directory will probably not be available. In this situation no files will be
* deleted (and thus they may still exist after the SD card becomes available).
*/
public static void deleteFiles(@Nullable File directory, @Nullable String startsWith, @Nullable String endsWith) {
if (directory == null) {
return;
}
final File[] files = directory.listFiles();
if (files == null) {
return;
}
if (startsWith != null) {
debugLog(TAG, "Cleaning up files in " + directory + " that start with \"" + startsWith + "\"");
}
if (endsWith != null) {
debugLog(TAG, "Cleaning up files in " + directory + " that end with \"" + endsWith + "\"");
}
for (File f : files) {
if (((startsWith != null && f.getName().startsWith(startsWith))
|| (endsWith != null && f.getName().endsWith(endsWith)))
&& !f.delete()) {
Log.w(TAG, "Couldn't delete cache file " + f);
}
}
}
public static void debugLog(String tag, String msg) {
if (BuildConfig.DEBUG) {
Log.d(tag, msg);

17
app/src/main/java/org/fdroid/fdroid/compat/FileCompat.java
View File

@ -85,20 +85,21 @@ public class FileCompat {
}
}
/**
* Set a {@link SanitizedFile} readable by all if {@code readable} is {@code true}.
*
* @return {@code true} if the operation succeeded
*/
@TargetApi(9)
public static boolean setReadable(SanitizedFile file, boolean readable, boolean ownerOnly) {
public static boolean setReadable(SanitizedFile file, boolean readable) {
if (Build.VERSION.SDK_INT >= 9) {
return file.setReadable(readable, ownerOnly);
return file.setReadable(readable, false);
}
String mode;
if (readable) {
mode = ownerOnly ? "0600" : "0644";
return setMode(file, "0644");
} else {
mode = "0000";
return setMode(file, "0000");
}
return setMode(file, mode);
}
private static boolean setMode(SanitizedFile file, String mode) {

9
app/src/main/java/org/fdroid/fdroid/data/InstalledAppCacheUpdater.java
View File

@ -51,8 +51,13 @@ public final class InstalledAppCacheUpdater {
/**
* Ensure our database of installed apps is in sync with what the PackageManager tells us is installed.
* Once completed, the relevant ContentProviders will be notified of any changes to installed statuses.
* This method returns immediately, and will continue to work in an AsyncTask.
* The installed app cache hasn't gotten out of sync somehow, e.g. if we crashed/ran out of battery
* half way through responding to a package installed {@link android.content.Intent}. Once completed,
* the relevant {@link android.content.ContentProvider}s will be notified of any changes to installed
* statuses. This method returns immediately, and will continue to work in an AsyncTask. It doesn't
* really matter where we put this in the bootstrap process, because it runs on a different thread,
* which will be delayed by some seconds to avoid an error where the database is locked due to the
* database updater.
*/
public static void updateInBackground(Context context) {
InstalledAppCacheUpdater updater = new InstalledAppCacheUpdater(context);

2
app/src/main/java/org/fdroid/fdroid/installer/Installer.java
View File

@ -222,7 +222,7 @@ public abstract class Installer {
// have access is insecure, because apps with permission to write to the external
// storage can overwrite the app between F-Droid asking for it to be installed and
// the installer actually installing it.
FileCompat.setReadable(apkToInstall, true, false);
FileCompat.setReadable(apkToInstall, true);
installPackageInternal(apkToInstall);
NotificationManager nm = (NotificationManager)

6
app/src/main/java/org/fdroid/fdroid/views/fragments/PreferencesFragment.java
View File

@ -39,7 +39,7 @@ public class PreferencesFragment extends PreferenceFragment
Preferences.PREF_IGN_TOUCH,
Preferences.PREF_LOCAL_REPO_NAME,
Preferences.PREF_LANGUAGE,
Preferences.PREF_CACHE_APK,
Preferences.PREF_KEEP_CACHE_TIME,
Preferences.PREF_EXPERT,
Preferences.PREF_PRIVILEGED_INSTALLER,
Preferences.PREF_ENABLE_PROXY,
@ -143,8 +143,8 @@ public class PreferencesFragment extends PreferenceFragment
}
break;
case Preferences.PREF_CACHE_APK:
checkSummary(key, R.string.cache_downloaded_on);
case Preferences.PREF_KEEP_CACHE_TIME:
entrySummary(key);
break;
case Preferences.PREF_EXPERT:

9
app/src/main/res/values/array.xml
View File

@ -10,6 +10,15 @@
<item>@string/interval_2w</item>
</string-array>
<string-array name="keepCacheNames">
<item>@string/keep_hour</item>
<item>@string/keep_day</item>
<item>@string/keep_week</item>
<item>@string/keep_month</item>
<item>@string/keep_year</item>
<item>@string/keep_forever</item>
</string-array>
<string-array name="themeNames">
<item>@string/theme_light</item>
<item>@string/theme_dark</item>

9
app/src/main/res/values/donottranslate.xml
View File

@ -23,6 +23,15 @@
<item>336</item>
</string-array>
<string-array name="keepCacheValues">
<item>3600</item>
<item>86400</item>
<item>604800</item>
<item>2592000</item>
<item>31449600</item>
<item>2147483647</item>
</string-array>
<string-array name="themeValues">
<item>light</item>
<item>dark</item>

11
app/src/main/res/values/strings.xml
View File

@ -10,8 +10,8 @@
<string name="by_author">by</string>
<string name="delete">Delete</string>
<string name="enable_nfc_send">Enable NFC Send…</string>
<string name="cache_downloaded">Cache packages</string>
<string name="cache_downloaded_on">Keep downloaded package files on device</string>
<string name="cache_downloaded">Keep cached apps</string>
<string name="cache_downloaded_on">Keep downloaded APK files on device</string>
<string name="updates">Updates</string>
<string name="unstable_updates">Unstable updates</string>
<string name="unstable_updates_summary">Suggest updates to unstable versions</string>
@ -383,6 +383,13 @@
<string name="interval_1w">Weekly</string>
<string name="interval_2w">Every 2 weeks</string>
<string name="keep_hour">1 Hour</string>
<string name="keep_day">1 Day</string>
<string name="keep_week">1 Week</string>
<string name="keep_month">1 Month</string>
<string name="keep_year">1 Year</string>
<string name="keep_forever">Forever</string>
<string name="theme_light">Light</string>
<string name="theme_dark">Dark</string>
<string name="theme_night">Night</string>

7
app/src/main/res/xml/preferences.xml
View File

@ -73,9 +73,10 @@
android:dependency="enableProxy" />
</PreferenceCategory>
<PreferenceCategory android:title="@string/other">
<CheckBoxPreference android:title="@string/cache_downloaded"
android:defaultValue="false"
android:key="cacheDownloaded" />
<ListPreference android:title="@string/cache_downloaded"
android:key="keepCacheFor"
android:entries="@array/keepCacheNames"
android:entryValues="@array/keepCacheValues" />
<CheckBoxPreference android:title="@string/expert"
android:defaultValue="false"
android:key="expert" />