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Imported JobManager as a source dependency.

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We have to make some changes, and it's gotten to the point where
maintaining it as a separate library is more hassle than it's worth,
especially with Google releasing WorkManager as the preferred job
scheduling library.
This commit is contained in:
Greyson Parrelli
2018-06-18 12:27:04 -07:00
parent 5f99470226
commit 42f1baaf61
75 changed files with 2165 additions and 120 deletions
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66
src/org/thoughtcrime/securesms/jobmanager/persistence/JavaJobSerializer.java Normal file
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/**
* Copyright (C) 2014 Open Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.thoughtcrime.securesms.jobmanager.persistence;
import org.thoughtcrime.securesms.jobmanager.EncryptionKeys;
import org.thoughtcrime.securesms.jobmanager.Job;
import org.thoughtcrime.securesms.jobmanager.util.Base64;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
/**
* An implementation of {@link org.thoughtcrime.securesms.jobmanager.persistence.JobSerializer} that uses
* Java Serialization.
*
* NOTE: This {@link JobSerializer} does not support encryption. Jobs will be serialized normally,
* but any corresponding {@link Job} encryption keys will be ignored.
*/
public class JavaJobSerializer implements JobSerializer {
public JavaJobSerializer() {}
@Override
public String serialize(Job job) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(job);
return Base64.encodeToString(baos.toByteArray(), Base64.NO_WRAP);
}
@Override
public Job deserialize(EncryptionKeys keys, boolean encrypted, String serialized) throws IOException {
try {
ByteArrayInputStream bais = new ByteArrayInputStream(Base64.decode(serialized, Base64.NO_WRAP));
ObjectInputStream ois = new ObjectInputStream(bais);
return (Job)ois.readObject();
} catch (ClassNotFoundException e) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
e.printStackTrace(pw);
throw new IOException(e.getMessage() + "\n" + sw.toString());
}
}
}

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src/org/thoughtcrime/securesms/jobmanager/persistence/JobSerializer.java Normal file
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/**
* Copyright (C) 2014 Open Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.thoughtcrime.securesms.jobmanager.persistence;
import org.thoughtcrime.securesms.jobmanager.EncryptionKeys;
import org.thoughtcrime.securesms.jobmanager.Job;
import java.io.IOException;
/**
* A JobSerializer is responsible for serializing and deserializing persistent jobs.
*/
public interface JobSerializer {
/**
* Serialize a job object into a string.
* @param job The Job to serialize.
* @return The serialized Job.
* @throws IOException if serialization fails.
*/
public String serialize(Job job) throws IOException;
/**
* Deserialize a String into a Job.
* @param keys Optional encryption keys that could have been used.
* @param encrypted True if the job was encrypted using the encryption keys.
* @param serialized The serialized Job.
* @return The deserialized Job.
* @throws IOException If the Job deserialization fails.
*/
public Job deserialize(EncryptionKeys keys, boolean encrypted, String serialized) throws IOException;
}

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src/org/thoughtcrime/securesms/jobmanager/persistence/PersistentStorage.java Normal file
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/**
* Copyright (C) 2014 Open Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.thoughtcrime.securesms.jobmanager.persistence;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
import org.thoughtcrime.securesms.jobmanager.EncryptionKeys;
import org.thoughtcrime.securesms.jobmanager.Job;
import org.thoughtcrime.securesms.jobmanager.dependencies.AggregateDependencyInjector;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
public class PersistentStorage {
private static final int DATABASE_VERSION = 1;
private static final String TABLE_NAME = "queue";
private static final String ID = "_id";
private static final String ITEM = "item";
private static final String ENCRYPTED = "encrypted";
private static final String DATABASE_CREATE = String.format("CREATE TABLE %s (%s INTEGER PRIMARY KEY, %s TEXT NOT NULL, %s INTEGER DEFAULT 0);",
TABLE_NAME, ID, ITEM, ENCRYPTED);
private final Context context;
private final DatabaseHelper databaseHelper;
private final JobSerializer jobSerializer;
private final AggregateDependencyInjector dependencyInjector;
public PersistentStorage(Context context, String name,
JobSerializer serializer,
AggregateDependencyInjector dependencyInjector)
{
this.databaseHelper = new DatabaseHelper(context, "_jobqueue-" + name);
this.context = context;
this.jobSerializer = serializer;
this.dependencyInjector = dependencyInjector;
}
public void store(Job job) throws IOException {
ContentValues contentValues = new ContentValues();
contentValues.put(ITEM, jobSerializer.serialize(job));
contentValues.put(ENCRYPTED, job.getEncryptionKeys() != null);
long id = databaseHelper.getWritableDatabase().insert(TABLE_NAME, null, contentValues);
job.setPersistentId(id);
}
public List<Job> getAllUnencrypted() {
return getJobs(null, ENCRYPTED + " = 0");
}
public List<Job> getAllEncrypted(EncryptionKeys keys) {
return getJobs(keys, ENCRYPTED + " = 1");
}
private List<Job> getJobs(EncryptionKeys keys, String where) {
List<Job> results = new LinkedList<>();
SQLiteDatabase database = databaseHelper.getReadableDatabase();
Cursor cursor = null;
try {
cursor = database.query(TABLE_NAME, null, where, null, null, null, ID + " ASC", null);
while (cursor.moveToNext()) {
long id = cursor.getLong(cursor.getColumnIndexOrThrow(ID));
String item = cursor.getString(cursor.getColumnIndexOrThrow(ITEM));
boolean encrypted = cursor.getInt(cursor.getColumnIndexOrThrow(ENCRYPTED)) == 1;
try{
Job job = jobSerializer.deserialize(keys, encrypted, item);
job.setPersistentId(id);
job.setEncryptionKeys(keys);
dependencyInjector.injectDependencies(context, job);
results.add(job);
} catch (IOException e) {
Log.w("PersistentStore", e);
remove(id);
}
}
} finally {
if (cursor != null)
cursor.close();
}
return results;
}
public void remove(long id) {
databaseHelper.getWritableDatabase()
.delete(TABLE_NAME, ID + " = ?", new String[] {String.valueOf(id)});
}
private static class DatabaseHelper extends SQLiteOpenHelper {
public DatabaseHelper(Context context, String name) {
super(context, name, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL(DATABASE_CREATE);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}
}