diff --git a/app/build.gradle b/app/build.gradle
index 68be34143..9cb129bae 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -47,6 +47,10 @@ android {
     }
 }
 
+androidExtensions {
+    experimental = true
+}
+
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation project(':net')
@@ -72,8 +76,23 @@ dependencies {
     implementation "org.koin:koin-android:${koin}"
     implementation "org.koin:koin-androidx-viewmodel:${koin}"
 
+    def vRetrofit = "2.5.0"
+    def vOkHttp = "3.12.0"
+    def vMoshi = "1.8.0"
+    implementation "com.squareup.retrofit2:retrofit:${vRetrofit}"
+    implementation "com.squareup.retrofit2:converter-moshi:${vRetrofit}"
+    implementation "com.squareup.retrofit2:adapter-rxjava2:${vRetrofit}"
+    implementation "com.squareup.okhttp3:okhttp:${vOkHttp}"
+    implementation "com.squareup.okhttp3:logging-interceptor:${vOkHttp}"
+    implementation "com.squareup.moshi:moshi:${vMoshi}"
+    implementation "com.squareup.moshi:moshi-kotlin:${vMoshi}"
+
+    def vKotpref = "2.8.0"
+    implementation "com.chibatching.kotpref:kotpref:${vKotpref}"
+
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.browser:browser:1.0.0'
     implementation 'androidx.preference:preference:1.0.0'
     implementation 'androidx.recyclerview:recyclerview:1.1.0-alpha04'
     implementation 'androidx.cardview:cardview:1.0.0'
diff --git a/app/src/main/java/com/topjohnwu/magisk/Constants.kt b/app/src/main/java/com/topjohnwu/magisk/Constants.kt
new file mode 100644
index 000000000..c23f3422a
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/Constants.kt
@@ -0,0 +1,20 @@
+package com.topjohnwu.magisk
+
+import android.os.Process
+
+object Constants {
+
+    // Paths
+    val MAGISK_PATH = "/sbin/.magisk/img"
+    val MAGISK_LOG = "/cache/magisk.log"
+
+    val USER_ID = Process.myUid() / 100000
+
+    const val SNET_REVISION = "b66b1a914978e5f4c4bbfd74a59f4ad371bac107"
+    const val BOOTCTL_REVISION = "9c5dfc1b8245c0b5b524901ef0ff0f8335757b77"
+
+    const val GITHUB_URL = "https://github.com/"
+    const val GITHUB_API_URL = "https://api.github.com/"
+    const val GITHUB_RAW_API_URL = "https://raw.githubusercontent.com/"
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/KConfig.kt b/app/src/main/java/com/topjohnwu/magisk/KConfig.kt
new file mode 100644
index 000000000..be3ecde27
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/KConfig.kt
@@ -0,0 +1,36 @@
+package com.topjohnwu.magisk
+
+import androidx.appcompat.app.AppCompatDelegate
+import com.chibatching.kotpref.KotprefModel
+import com.topjohnwu.magisk.KConfig.UpdateChannel.*
+
+object KConfig : KotprefModel() {
+    override val kotprefName: String = "${context.packageName}_preferences"
+
+    var darkMode by intPref(default = AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM, key = "darkMode")
+    var magiskChecksum by stringPref("", "magiskChecksum")
+    var forceEncrypt by booleanPref(false, "forceEncryption")
+    var keepVerity by booleanPref(false, "keepVerity")
+    var bootFormat by stringPref("img", "bootFormat")
+    var suLogTimeout by longPref(0, "suLogTimeout")
+    private var internalUpdateChannel by stringPref(
+        KConfig.UpdateChannel.STABLE.toString(),
+        "updateChannel"
+    )
+    var useCustomTabs by booleanPref(true, "useCustomTabs")
+
+    var updateChannel: UpdateChannel
+        get() = valueOf(internalUpdateChannel)
+        set(value) {
+            internalUpdateChannel = value.toString()
+        }
+
+    val isStable get() = !(isCanary || isBeta)
+    val isCanary get() = updateChannel == CANARY || updateChannel == CANARY_DEBUG
+    val isBeta get() = updateChannel == BETA
+
+
+    enum class UpdateChannel {
+        STABLE, BETA, CANARY, CANARY_DEBUG
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/AppDatabase.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/AppDatabase.kt
new file mode 100644
index 000000000..e09f238bb
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/AppDatabase.kt
@@ -0,0 +1,19 @@
+package com.topjohnwu.magisk.data.database
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+import com.topjohnwu.magisk.model.entity.Repository
+
+@Database(
+    version = 1,
+    entities = [Repository::class]
+)
+abstract class AppDatabase : RoomDatabase() {
+
+    companion object {
+        const val NAME = "database"
+    }
+
+    abstract fun repoDao(): RepositoryDao
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/LogDao.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/LogDao.kt
new file mode 100644
index 000000000..1bb589d2a
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/LogDao.kt
@@ -0,0 +1,34 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.data.database.base.*
+import com.topjohnwu.magisk.model.entity.MagiskLog
+import com.topjohnwu.magisk.model.entity.toLog
+import com.topjohnwu.magisk.model.entity.toMap
+import java.util.concurrent.TimeUnit
+
+class LogDao : BaseDao() {
+
+    override val table = DatabaseDefinition.Table.LOG
+
+    fun deleteOutdated(
+        suTimeout: Long = Config.suLogTimeout * TimeUnit.DAYS.toMillis(1)
+    ) = query<Delete> {
+        condition {
+            lessThan("time", suTimeout.toString())
+        }
+    }.ignoreElement()
+
+    fun deleteAll() = query<Delete> {}.ignoreElement()
+
+    fun fetchAll() = query<Select> {
+        orderBy("time", Order.DESC)
+    }.flattenAsFlowable { it }
+        .map { it.toLog() }
+        .toList()
+
+    fun put(log: MagiskLog) = query<Insert> {
+        values(log.toMap())
+    }.ignoreElement()
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/MagiskDB.java b/app/src/main/java/com/topjohnwu/magisk/data/database/MagiskDB.java
index 96b703cd1..b2a515eff 100644
--- a/app/src/main/java/com/topjohnwu/magisk/data/database/MagiskDB.java
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/MagiskDB.java
@@ -20,6 +20,7 @@ import java.util.Date;
 import java.util.List;
 import java.util.Map;
 
+@Deprecated
 public class MagiskDB {
 
     private static final String POLICY_TABLE = "policies";
@@ -27,20 +28,24 @@ public class MagiskDB {
     private static final String SETTINGS_TABLE = "settings";
     private static final String STRINGS_TABLE = "strings";
 
-    private PackageManager pm;
+    private final PackageManager pm;
 
+    @Deprecated
     public MagiskDB(Context context) {
         pm = context.getPackageManager();
     }
 
+    @Deprecated
     public void deletePolicy(Policy policy) {
         deletePolicy(policy.uid);
     }
 
+    @Deprecated
     private List<String> rawSQL(String fmt, Object... args) {
         return Shell.su("magisk --sqlite '" + Utils.fmt(fmt, args) + "'").exec().getOut();
     }
 
+    @Deprecated
     private List<ContentValues> SQL(String fmt, Object... args) {
         List<ContentValues> list = new ArrayList<>();
         for (String raw : rawSQL(fmt, args)) {
@@ -57,6 +62,7 @@ public class MagiskDB {
         return list;
     }
 
+    @Deprecated
     private String toSQL(ContentValues values) {
         StringBuilder keys = new StringBuilder(), vals = new StringBuilder();
         keys.append('(');
@@ -80,6 +86,7 @@ public class MagiskDB {
         return keys.toString();
     }
 
+    @Deprecated
     public void clearOutdated() {
         rawSQL(
                 "DELETE FROM %s WHERE until > 0 AND until < %d;" +
@@ -89,14 +96,17 @@ public class MagiskDB {
         );
     }
 
+    @Deprecated
     public void deletePolicy(String pkg) {
         rawSQL("DELETE FROM %s WHERE package_name=\"%s\"", POLICY_TABLE, pkg);
     }
 
+    @Deprecated
     public void deletePolicy(int uid) {
         rawSQL("DELETE FROM %s WHERE uid=%d", POLICY_TABLE, uid);
     }
 
+    @Deprecated
     public Policy getPolicy(int uid) {
         List<ContentValues> res =
                 SQL("SELECT * FROM %s WHERE uid=%d", POLICY_TABLE, uid);
@@ -110,10 +120,12 @@ public class MagiskDB {
         return null;
     }
 
+    @Deprecated
     public void updatePolicy(Policy policy) {
         rawSQL("REPLACE INTO %s %s", POLICY_TABLE, toSQL(policy.getContentValues()));
     }
 
+    @Deprecated
     public List<Policy> getPolicyList() {
         List<Policy> list = new ArrayList<>();
         for (ContentValues values : SQL("SELECT * FROM %s WHERE uid/100000=%d", POLICY_TABLE, Const.USER_ID)) {
@@ -127,6 +139,7 @@ public class MagiskDB {
         return list;
     }
 
+    @Deprecated
     public List<List<SuLogEntry>> getLogs() {
         List<List<SuLogEntry>> ret = new ArrayList<>();
         List<SuLogEntry> list = null;
@@ -144,18 +157,22 @@ public class MagiskDB {
         return ret;
     }
 
+    @Deprecated
     public void addLog(SuLogEntry log) {
         rawSQL("INSERT INTO %s %s", LOG_TABLE, toSQL(log.getContentValues()));
     }
 
+    @Deprecated
     public void clearLogs() {
         rawSQL("DELETE FROM %s", LOG_TABLE);
     }
 
+    @Deprecated
     public void rmSettings(String key) {
         rawSQL("DELETE FROM %s WHERE key=\"%s\"", SETTINGS_TABLE, key);
     }
 
+    @Deprecated
     public void setSettings(String key, int value) {
         ContentValues data = new ContentValues();
         data.put("key", key);
@@ -163,6 +180,7 @@ public class MagiskDB {
         rawSQL("REPLACE INTO %s %s", SETTINGS_TABLE, toSQL(data));
     }
 
+    @Deprecated
     public int getSettings(String key, int defaultValue) {
         List<ContentValues> res = SQL("SELECT value FROM %s WHERE key=\"%s\"", SETTINGS_TABLE, key);
         if (res.isEmpty())
@@ -170,6 +188,7 @@ public class MagiskDB {
         return res.get(0).getAsInteger("value");
     }
 
+    @Deprecated
     public void setStrings(String key, String value) {
         if (value == null) {
             rawSQL("DELETE FROM %s WHERE key=\"%s\"", STRINGS_TABLE, key);
@@ -181,6 +200,7 @@ public class MagiskDB {
         rawSQL("REPLACE INTO %s %s", STRINGS_TABLE, toSQL(data));
     }
 
+    @Deprecated
     public String getStrings(String key, String defaultValue) {
         List<ContentValues> res = SQL("SELECT value FROM %s WHERE key=\"%s\"", STRINGS_TABLE, key);
         if (res.isEmpty())
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/PolicyDao.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/PolicyDao.kt
new file mode 100644
index 000000000..bd71f95c7
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/PolicyDao.kt
@@ -0,0 +1,67 @@
+package com.topjohnwu.magisk.data.database
+
+import android.content.Context
+import android.content.pm.PackageManager
+import com.topjohnwu.magisk.Constants
+import com.topjohnwu.magisk.data.database.base.*
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
+import com.topjohnwu.magisk.model.entity.toMap
+import com.topjohnwu.magisk.model.entity.toPolicy
+import com.topjohnwu.magisk.utils.now
+import java.util.concurrent.TimeUnit
+
+
+class PolicyDao(
+    private val context: Context
+) : BaseDao() {
+
+    override val table: String = DatabaseDefinition.Table.POLICY
+
+    fun deleteOutdated(
+        nowSeconds: Long = TimeUnit.MILLISECONDS.toSeconds(now)
+    ) = query<Delete> {
+        condition {
+            greaterThan("until", "0")
+            and {
+                lessThan("until", nowSeconds.toString())
+            }
+        }
+    }.ignoreElement()
+
+    fun delete(packageName: String) = query<Delete> {
+        condition {
+            equals("package_name", packageName)
+        }
+    }.ignoreElement()
+
+    fun delete(uid: Int) = query<Delete> {
+        condition {
+            equals("uid", uid.toString())
+        }
+    }.ignoreElement()
+
+    fun fetch(uid: Int) = query<Select> {
+        condition {
+            equals("uid", uid.toString())
+        }
+    }.map { it.first().toPolicy(context.packageManager) }
+        .doOnError {
+            if (it is PackageManager.NameNotFoundException) {
+                delete(uid).subscribe()
+            }
+        }
+
+    fun update(policy: MagiskPolicy) = query<Replace> {
+
+        values(policy.toMap())
+    }.ignoreElement()
+
+    fun fetchAll() = query<Select> {
+        condition {
+            equals("uid/100000", Constants.USER_ID.toString())
+        }
+    }.flattenAsFlowable { it }
+        .map { it.toPolicy(context.packageManager) }
+        .toList()
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.java b/app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.java
index 8bb2bd369..d216169d0 100644
--- a/app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.java
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.java
@@ -11,13 +11,15 @@ import com.topjohnwu.magisk.model.entity.Repo;
 import java.util.HashSet;
 import java.util.Set;
 
+@Deprecated
 public class RepoDatabaseHelper extends SQLiteOpenHelper {
 
     private static final int DATABASE_VER = 5;
     private static final String TABLE_NAME = "repos";
 
-    private SQLiteDatabase mDb;
+    private final SQLiteDatabase mDb;
 
+    @Deprecated
     public RepoDatabaseHelper(Context context) {
         super(context, "repo.db", null, DATABASE_VER);
         mDb = getWritableDatabase();
@@ -46,19 +48,23 @@ public class RepoDatabaseHelper extends SQLiteOpenHelper {
         onUpgrade(db, 0, DATABASE_VER);
     }
 
+    @Deprecated
     public void clearRepo() {
         mDb.delete(TABLE_NAME, null, null);
     }
 
 
+    @Deprecated
     public void removeRepo(String id) {
         mDb.delete(TABLE_NAME, "id=?", new String[] { id });
     }
 
+    @Deprecated
     public void removeRepo(Repo repo) {
         removeRepo(repo.getId());
     }
 
+    @Deprecated
     public void removeRepo(Iterable<String> list) {
         for (String id : list) {
             if (id == null) continue;
@@ -66,10 +72,12 @@ public class RepoDatabaseHelper extends SQLiteOpenHelper {
         }
     }
 
+    @Deprecated
     public void addRepo(Repo repo) {
         mDb.replace(TABLE_NAME, null, repo.getContentValues());
     }
 
+    @Deprecated
     public Repo getRepo(String id) {
         try (Cursor c = mDb.query(TABLE_NAME, null, "id=?", new String[] { id }, null, null, null)) {
             if (c.moveToNext()) {
@@ -79,10 +87,12 @@ public class RepoDatabaseHelper extends SQLiteOpenHelper {
         return null;
     }
 
+    @Deprecated
     public Cursor getRawCursor() {
         return mDb.query(TABLE_NAME, null, null, null, null, null, null);
     }
 
+    @Deprecated
     public Cursor getRepoCursor() {
         String orderBy = null;
         switch ((int) Config.get(Config.Key.REPO_ORDER)) {
@@ -95,6 +105,7 @@ public class RepoDatabaseHelper extends SQLiteOpenHelper {
         return mDb.query(TABLE_NAME, null, null, null, null, null, orderBy);
     }
 
+    @Deprecated
     public Set<String> getRepoIDSet() {
         HashSet<String> set = new HashSet<>(300);
         try (Cursor c = mDb.query(TABLE_NAME, null, null, null, null, null, null)) {
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/RepositoryDao.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/RepositoryDao.kt
new file mode 100644
index 000000000..ebd827cd5
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/RepositoryDao.kt
@@ -0,0 +1,17 @@
+package com.topjohnwu.magisk.data.database
+
+import androidx.room.Dao
+import androidx.room.Query
+import com.skoumal.teanity.database.BaseDao
+import com.topjohnwu.magisk.model.entity.Repository
+
+@Dao
+interface RepositoryDao : BaseDao<Repository> {
+
+    @Query("DELETE FROM repos")
+    override fun deleteAll()
+
+    @Query("SELECT * FROM repos")
+    override fun fetchAll(): List<Repository>
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/SettingsDao.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/SettingsDao.kt
new file mode 100644
index 000000000..19c10f6d7
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/SettingsDao.kt
@@ -0,0 +1,21 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.data.database.base.*
+
+class SettingsDao : BaseDao() {
+
+    override val table = DatabaseDefinition.Table.SETTINGS
+
+    fun delete(key: String) = query<Delete> {
+        condition { equals("key", key) }
+    }.ignoreElement()
+
+    fun put(key: String, value: Int) = query<Insert> {
+        values(key to value.toString())
+    }.ignoreElement()
+
+    fun fetch(key: String) = query<Select> {
+        condition { equals("key", key) }
+    }.map { it.first().values.first().toIntOrNull() ?: -1 }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/StringsDao.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/StringsDao.kt
new file mode 100644
index 000000000..916c71d31
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/StringsDao.kt
@@ -0,0 +1,22 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.data.database.base.*
+
+class StringsDao : BaseDao() {
+
+    override val table = DatabaseDefinition.Table.STRINGS
+
+    fun delete(key: String) = query<Delete> {
+        condition { equals("key", key) }
+    }.ignoreElement()
+
+    fun put(key: String, value: String) = query<Insert> {
+        values(key to value)
+    }.ignoreElement()
+
+    fun fetch(key: String, default: String = "") = query<Select> {
+        fields("value")
+        condition { equals("key", key) }
+    }.map { it.firstOrNull()?.values?.firstOrNull() ?: default }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/base/BaseDao.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/base/BaseDao.kt
new file mode 100644
index 000000000..3fe8f0bdd
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/base/BaseDao.kt
@@ -0,0 +1,15 @@
+package com.topjohnwu.magisk.data.database.base
+
+abstract class BaseDao {
+
+    abstract val table: String
+
+    inline fun <reified Builder : MagiskQueryBuilder> query(builder: Builder.() -> Unit) =
+        Builder::class.java.newInstance()
+            .apply { table = this@BaseDao.table }
+            .apply(builder)
+            .toString()
+            .let { MagiskQuery(it) }
+            .query()
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/base/DatabaseDefinition.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/base/DatabaseDefinition.kt
new file mode 100644
index 000000000..ddf0d0210
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/base/DatabaseDefinition.kt
@@ -0,0 +1,33 @@
+package com.topjohnwu.magisk.data.database.base
+
+import androidx.annotation.AnyThread
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Single
+
+object DatabaseDefinition {
+
+    object Table {
+        const val POLICY = "policies"
+        const val LOG = "logs"
+        const val SETTINGS = "settings"
+        const val STRINGS = "strings"
+    }
+
+}
+
+@AnyThread
+fun MagiskQuery.query() = query.su()
+
+fun String.suRaw() = Single.just(Shell.su(this))
+    .map { it.exec().out }
+
+fun String.su() = suRaw()
+    .map { it.toMap() }
+
+fun List<String>.toMap() = map { it.split(Regex("\\|")) }
+    .map { it.toMapInternal() }
+
+private fun List<String>.toMapInternal() = map { it.split("=", limit = 2) }
+    .filter { it.size == 2 }
+    .map { Pair(it[0], it[1]) }
+    .toMap()
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/base/MagiskQuery.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/base/MagiskQuery.kt
new file mode 100644
index 000000000..09429781f
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/base/MagiskQuery.kt
@@ -0,0 +1,5 @@
+package com.topjohnwu.magisk.data.database.base
+
+data class MagiskQuery(private val _query: String) {
+    val query = "magisk --sqlite $_query"
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/base/MagiskQueryBuilder.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/base/MagiskQueryBuilder.kt
new file mode 100644
index 000000000..463db2d2a
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/base/MagiskQueryBuilder.kt
@@ -0,0 +1,157 @@
+package com.topjohnwu.magisk.data.database.base
+
+import androidx.annotation.StringDef
+import com.topjohnwu.magisk.data.database.base.Order.Companion.ASC
+import com.topjohnwu.magisk.data.database.base.Order.Companion.DESC
+
+interface MagiskQueryBuilder {
+
+    val requestType: String
+    var table: String
+
+    companion object {
+        inline operator fun <reified Builder : MagiskQueryBuilder> invoke(builder: Builder.() -> Unit): MagiskQuery =
+            Builder::class.java.newInstance()
+                .apply(builder)
+                .toString()
+                .let { MagiskQuery(it) }
+    }
+
+}
+
+class Delete : MagiskQueryBuilder {
+    override val requestType: String = "DELETE FROM"
+    override var table = ""
+
+    private var condition = ""
+
+    fun condition(builder: Condition.() -> Unit) {
+        condition = Condition().apply(builder).toString()
+    }
+
+    override fun toString(): String {
+        return StringBuilder()
+            .appendln(requestType)
+            .appendln(table)
+            .appendln(condition)
+            .toString()
+    }
+}
+
+class Select : MagiskQueryBuilder {
+    override val requestType: String get() = "SELECT $fields FROM"
+    override lateinit var table: String
+
+    private var fields = "*"
+    private var condition = ""
+    private var orderField = ""
+
+    fun fields(vararg newFields: String) {
+        if (newFields.isEmpty()) {
+            fields = "*"
+            return
+        }
+        fields = newFields.joinToString(", ")
+    }
+
+    fun condition(builder: Condition.() -> Unit) {
+        condition = Condition().apply(builder).toString()
+    }
+
+    fun orderBy(field: String, @OrderStrict order: String) {
+        orderField = "ORDER BY $field $order"
+    }
+
+    override fun toString(): String {
+        return StringBuilder()
+            .appendln(requestType)
+            .appendln(table)
+            .appendln(condition)
+            .appendln(orderField)
+            .toString()
+    }
+}
+
+class Replace : Insert() {
+    override val requestType: String = "REPLACE INTO"
+}
+
+open class Insert : MagiskQueryBuilder {
+    override val requestType: String = "INSERT INTO"
+    override lateinit var table: String
+
+    private val keys get() = _values.keys.joinToString(",")
+    private val values get() = _values.values.joinToString(",")
+    private var _values: Map<String, String> = mapOf()
+
+    fun values(vararg pairs: Pair<String, String>) {
+        _values = pairs.toMap()
+    }
+
+    fun values(values: Map<String, String>) {
+        _values = values
+    }
+
+    override fun toString(): String {
+        return StringBuilder()
+            .appendln(requestType)
+            .appendln(table)
+            .appendln("($keys) VALUES($values)")
+            .toString()
+    }
+}
+
+class Condition {
+
+    private val conditionWord = "WHERE %s"
+    private var condition: String = ""
+
+    fun equals(field: String, value: String) {
+        condition = "$field=\"$value\""
+    }
+
+    fun greaterThan(field: String, value: String) {
+        condition = "$field > $value"
+    }
+
+    fun lessThan(field: String, value: String) {
+        condition = "$field < $value"
+    }
+
+    fun greaterOrEqualTo(field: String, value: String) {
+        condition = "$field >= $value"
+    }
+
+    fun lessOrEqualTo(field: String, value: String) {
+        condition = "$field <= $value"
+    }
+
+    fun and(builder: Condition.() -> Unit) {
+        condition += " " + Condition().apply(builder).condition
+    }
+
+    fun or(builder: Condition.() -> Unit) {
+        condition += " " + Condition().apply(builder).condition
+    }
+
+    override fun toString(): String {
+        return conditionWord.format(condition)
+    }
+}
+
+class Order {
+
+    @set:OrderStrict
+    var order = DESC
+    var field = ""
+
+    companion object {
+        const val ASC = "ASC"
+        const val DESC = "DESC"
+    }
+
+}
+
+@StringDef(ASC, DESC)
+@Retention(AnnotationRetention.SOURCE)
+annotation class OrderStrict
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/network/GithubApiServices.kt b/app/src/main/java/com/topjohnwu/magisk/data/network/GithubApiServices.kt
new file mode 100644
index 000000000..b784e9e37
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/network/GithubApiServices.kt
@@ -0,0 +1,22 @@
+package com.topjohnwu.magisk.data.network
+
+import com.topjohnwu.magisk.model.entity.GithubRepo
+import io.reactivex.Single
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+
+interface GithubApiServices {
+
+    @GET("users/Magisk-Modules-Repo/repos")
+    fun fetchRepos(
+        @Query("page") page: Int,
+        @Query("per_page") count: Int = REPOS_PER_PAGE,
+        @Query("sort") sortOrder: String = "pushed"
+    ): Single<List<GithubRepo>>
+
+    companion object {
+        const val REPOS_PER_PAGE = 100
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt b/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt
new file mode 100644
index 000000000..98a6e41d0
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt
@@ -0,0 +1,75 @@
+package com.topjohnwu.magisk.data.network
+
+import com.topjohnwu.magisk.Constants
+import com.topjohnwu.magisk.model.entity.MagiskConfig
+import io.reactivex.Single
+import okhttp3.ResponseBody
+import retrofit2.http.GET
+import retrofit2.http.Path
+import retrofit2.http.Streaming
+import retrofit2.http.Url
+
+
+interface GithubRawApiServices {
+
+    //region topjohnwu/magisk_files
+
+    @GET("$MAGISK_FILES/master/stable.json")
+    fun fetchConfig(): Single<MagiskConfig>
+
+    @GET("$MAGISK_FILES/master/beta.json")
+    fun fetchBetaConfig(): Single<MagiskConfig>
+
+    @GET("$MAGISK_FILES/master/canary_builds/release.json")
+    fun fetchCanaryConfig(): Single<MagiskConfig>
+
+    @GET("$MAGISK_FILES/master/canary_builds/canary.json")
+    fun fetchCanaryDebugConfig(): Single<MagiskConfig>
+
+    @GET("$MAGISK_FILES/{$REVISION}/snet.apk")
+    @Streaming
+    fun fetchSafetynet(@Path(REVISION) revision: String = Constants.SNET_REVISION): Single<ResponseBody>
+
+    @GET("$MAGISK_FILES/{$REVISION}/bootctl")
+    @Streaming
+    fun fetchBootctl(@Path(REVISION) revision: String = Constants.BOOTCTL_REVISION): Single<ResponseBody>
+
+    //endregion
+
+    //region topjohnwu/Magisk/master
+
+    @GET("$MAGISK_MASTER/scripts/module_installer.sh")
+    @Streaming
+    fun fetchModuleInstaller(): Single<ResponseBody>
+
+    //endregion
+
+    //region Magisk-Modules-Repo
+
+    @GET("$MAGISK_MODULES/{$MODULE}/master/{$FILE}")
+    @Streaming
+    fun fetchFile(id: String, file: String): Single<ResponseBody>
+
+    //endregion
+
+    /**
+     * This method shall be used exclusively for fetching files from urls from previous requests.
+     * Him, who uses it in a wrong way, shall die in an eternal flame.
+     * */
+    @GET
+    @Streaming
+    fun fetchFile(@Url url: String): Single<ResponseBody>
+
+
+    companion object {
+        private const val REVISION = "revision"
+        private const val MODULE = "module"
+        private const val FILE = "file"
+
+
+        private const val MAGISK_FILES = "topjohnwu/magisk_files"
+        private const val MAGISK_MASTER = "topjohnwu/Magisk/master"
+        private const val MAGISK_MODULES = "Magisk-Modules-Repo"
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/network/GithubServices.kt b/app/src/main/java/com/topjohnwu/magisk/data/network/GithubServices.kt
new file mode 100644
index 000000000..c269f57ab
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/network/GithubServices.kt
@@ -0,0 +1,21 @@
+package com.topjohnwu.magisk.data.network
+
+import io.reactivex.Single
+import okhttp3.ResponseBody
+import retrofit2.http.GET
+import retrofit2.http.Path
+import retrofit2.http.Streaming
+
+
+interface GithubServices {
+
+    @GET("Magisk-Modules-Repo/{$MODULE}/archive/master.zip")
+    @Streaming
+    fun fetchModuleZip(@Path(MODULE) module: String): Single<ResponseBody>
+
+
+    companion object {
+        private const val MODULE = "module"
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/repository/LogRepository.kt b/app/src/main/java/com/topjohnwu/magisk/data/repository/LogRepository.kt
new file mode 100644
index 000000000..e98bba0bc
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/repository/LogRepository.kt
@@ -0,0 +1,45 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.Constants
+import com.topjohnwu.magisk.data.database.LogDao
+import com.topjohnwu.magisk.data.database.base.suRaw
+import com.topjohnwu.magisk.model.entity.MagiskLog
+import com.topjohnwu.magisk.model.entity.WrappedMagiskLog
+import timber.log.Timber
+import java.util.concurrent.TimeUnit
+
+
+class LogRepository(
+    private val logDao: LogDao
+) {
+
+    fun fetchLogs() = logDao.fetchAll()
+        .map { it.sortByDescending { it.date.time }; it }
+        .map { it.wrap() }
+
+    fun fetchMagiskLogs() = "tail -n 5000 ${Constants.MAGISK_LOG}".suRaw()
+        .filter { it.isNotEmpty() }
+        .map { Timber.i(it.toString()); it }
+
+    private fun List<MagiskLog>.wrap(): List<WrappedMagiskLog> {
+        val day = TimeUnit.DAYS.toMillis(1)
+        var currentDay = firstOrNull()?.date?.time ?: return listOf()
+        var tempList = this
+        val outList = mutableListOf<WrappedMagiskLog>()
+
+        while (tempList.isNotEmpty()) {
+            val logsGivenDay = takeWhile { it.date.time / day == currentDay / day }
+            currentDay = tempList.firstOrNull()?.date?.time ?: currentDay + day
+
+            if (logsGivenDay.isEmpty())
+                continue
+
+            outList.add(WrappedMagiskLog(currentDay / day * day, logsGivenDay))
+            tempList = tempList.subList(logsGivenDay.size, tempList.size)
+        }
+
+        return outList
+    }
+
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/repository/MagiskRepository.kt b/app/src/main/java/com/topjohnwu/magisk/data/repository/MagiskRepository.kt
new file mode 100644
index 000000000..81592631e
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/repository/MagiskRepository.kt
@@ -0,0 +1,78 @@
+package com.topjohnwu.magisk.data.repository
+
+import android.content.Context
+import com.topjohnwu.magisk.KConfig
+import com.topjohnwu.magisk.data.database.base.suRaw
+import com.topjohnwu.magisk.data.network.GithubRawApiServices
+import com.topjohnwu.magisk.model.entity.Version
+import com.topjohnwu.magisk.utils.writeToFile
+import io.reactivex.Single
+import io.reactivex.functions.BiFunction
+
+class MagiskRepository(
+    private val context: Context,
+    private val apiRaw: GithubRawApiServices
+) {
+
+    private val config = apiRaw.fetchConfig()
+    private val configBeta = apiRaw.fetchBetaConfig()
+    private val configCanary = apiRaw.fetchCanaryConfig()
+    private val configCanaryDebug = apiRaw.fetchCanaryDebugConfig()
+
+
+    fun fetchMagisk() = fetchConfig()
+        .flatMap { apiRaw.fetchFile(it.magisk.link) }
+        .map { it.writeToFile(context, FILE_MAGISK_ZIP) }
+
+    fun fetchManager() = fetchConfig()
+        .flatMap { apiRaw.fetchFile(it.app.link) }
+        .map { it.writeToFile(context, FILE_MAGISK_APK) }
+
+    fun fetchUninstaller() = fetchConfig()
+        .flatMap { apiRaw.fetchFile(it.uninstaller.link) }
+        .map { it.writeToFile(context, FILE_UNINSTALLER_ZIP) }
+
+    fun fetchSafetynet() = apiRaw
+        .fetchSafetynet()
+        .map { it.writeToFile(context, FILE_SAFETY_NET_APK) }
+
+    fun fetchBootctl() = apiRaw
+        .fetchBootctl()
+        .map { it.writeToFile(context, FILE_BOOTCTL_SH) }
+
+
+    fun fetchConfig() = when (KConfig.updateChannel) {
+        KConfig.UpdateChannel.STABLE -> config
+        KConfig.UpdateChannel.BETA -> configBeta
+        KConfig.UpdateChannel.CANARY -> configCanary
+        KConfig.UpdateChannel.CANARY_DEBUG -> configCanaryDebug
+    }
+
+
+    fun fetchMagiskVersion(): Single<Version> = Single.zip(
+        fetchMagiskVersionName(),
+        fetchMagiskVersionCode(),
+        BiFunction { versionName, versionCode ->
+            Version(versionName, versionCode)
+        }
+    )
+
+    private fun fetchMagiskVersionName() = "magisk -v".suRaw()
+        .map { it.first() }
+        .map { it.substring(0 until it.indexOf(":")) }
+        .onErrorReturn { "Unknown" }
+
+    private fun fetchMagiskVersionCode() = "magisk -V".suRaw()
+        .map { it.first() }
+        .map { it.toIntOrNull() ?: -1 }
+        .onErrorReturn { -1 }
+
+    companion object {
+        const val FILE_MAGISK_ZIP = "magisk.zip"
+        const val FILE_MAGISK_APK = "magisk.apk"
+        const val FILE_UNINSTALLER_ZIP = "uninstaller.zip"
+        const val FILE_SAFETY_NET_APK = "safetynet.apk"
+        const val FILE_BOOTCTL_SH = "bootctl"
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/repository/ModuleRepository.kt b/app/src/main/java/com/topjohnwu/magisk/data/repository/ModuleRepository.kt
new file mode 100644
index 000000000..70800a950
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/data/repository/ModuleRepository.kt
@@ -0,0 +1,67 @@
+package com.topjohnwu.magisk.data.repository
+
+import android.content.Context
+import com.topjohnwu.magisk.data.network.GithubApiServices
+import com.topjohnwu.magisk.data.network.GithubRawApiServices
+import com.topjohnwu.magisk.data.network.GithubServices
+import com.topjohnwu.magisk.model.entity.GithubRepo
+import com.topjohnwu.magisk.model.entity.toRepository
+import com.topjohnwu.magisk.utils.writeToFile
+import com.topjohnwu.magisk.utils.writeToString
+import io.reactivex.Single
+
+class ModuleRepository(
+    private val context: Context,
+    private val apiRaw: GithubRawApiServices,
+    private val api: GithubApiServices,
+    private val apiWeb: GithubServices
+) {
+
+    fun fetchModules() = fetchAllRepos()
+        .flattenAsFlowable { it }
+        .flatMapSingle { fetchProperties(it.name, it.updatedAtMillis) }
+        .toList()
+
+    fun fetchInstallFile(module: String) = apiRaw
+        .fetchFile(module, FILE_INSTALL_SH)
+        .map { it.writeToFile(context, FILE_INSTALL_SH) }
+
+    fun fetchReadme(module: String) = apiRaw
+        .fetchFile(module, FILE_README_MD)
+        .map { it.writeToString() }
+
+    fun fetchConfig(module: String) = apiRaw
+        .fetchFile(module, FILE_CONFIG_SH)
+        .map { it.writeToFile(context, FILE_CONFIG_SH) }
+
+    fun fetchInstallZip(module: String) = apiWeb
+        .fetchModuleZip(module)
+        .map { it.writeToFile(context, FILE_INSTALL_ZIP) }
+
+    fun fetchInstaller() = apiRaw
+        .fetchModuleInstaller()
+        .map { it.writeToFile(context, FILE_MODULE_INSTALLER_SH) }
+
+
+    private fun fetchProperties(module: String, lastChanged: Long) = apiRaw
+        .fetchFile(module, "module.prop")
+        .map { it.toRepository(lastChanged) }
+
+    private fun fetchAllRepos(page: Int = 0): Single<List<GithubRepo>> = api.fetchRepos(page)
+        .flatMap {
+            if (it.size == GithubApiServices.REPOS_PER_PAGE) {
+                fetchAllRepos(page + 1).map { newList -> it + newList }
+            } else {
+                Single.just(it)
+            }
+        }
+
+    companion object {
+        const val FILE_INSTALL_SH = "install.sh"
+        const val FILE_README_MD = "README.md"
+        const val FILE_CONFIG_SH = "config.sh"
+        const val FILE_INSTALL_ZIP = "install.zip"
+        const val FILE_MODULE_INSTALLER_SH = "module_installer.sh"
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt b/app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt
index e3cd89d17..f485acc3c 100644
--- a/app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt
@@ -1,6 +1,65 @@
 package com.topjohnwu.magisk.di
 
+import com.squareup.moshi.Moshi
+import com.topjohnwu.magisk.Constants
+import com.topjohnwu.magisk.data.network.GithubApiServices
+import com.topjohnwu.magisk.data.network.GithubRawApiServices
+import com.topjohnwu.magisk.data.network.GithubServices
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
 import org.koin.dsl.module
+import retrofit2.CallAdapter
+import retrofit2.Converter
+import retrofit2.Retrofit
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory
+import retrofit2.converter.moshi.MoshiConverterFactory
 
+val networkingModule = module {
+    single { createOkHttpClient() }
 
-val networkingModule = module {}
+    single { createConverterFactory() }
+    single { createCallAdapterFactory() }
+
+    single { createRetrofit(get(), get(), get()) }
+
+    single { createApiService<GithubServices>(get(), Constants.GITHUB_URL) }
+    single { createApiService<GithubApiServices>(get(), Constants.GITHUB_API_URL) }
+    single { createApiService<GithubRawApiServices>(get(), Constants.GITHUB_RAW_API_URL) }
+}
+
+fun createOkHttpClient(): OkHttpClient {
+    val httpLoggingInterceptor = HttpLoggingInterceptor().apply {
+        level = HttpLoggingInterceptor.Level.BODY
+    }
+
+    return OkHttpClient.Builder()
+        .addInterceptor(httpLoggingInterceptor)
+        .build()
+}
+
+fun createConverterFactory(): Converter.Factory {
+    val moshi = Moshi.Builder().build()
+    return MoshiConverterFactory.create(moshi)
+}
+
+fun createCallAdapterFactory(): CallAdapter.Factory {
+    return RxJava2CallAdapterFactory.create()
+}
+
+fun createRetrofit(
+    okHttpClient: OkHttpClient,
+    converterFactory: Converter.Factory,
+    callAdapterFactory: CallAdapter.Factory
+): Retrofit.Builder {
+    return Retrofit.Builder()
+        .addConverterFactory(converterFactory)
+        .addCallAdapterFactory(callAdapterFactory)
+        .client(okHttpClient)
+}
+
+inline fun <reified T> createApiService(retrofitBuilder: Retrofit.Builder, baseUrl: String): T {
+    return retrofitBuilder
+        .baseUrl(baseUrl)
+        .build()
+        .create(T::class.java)
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/entity/GithubRepo.kt b/app/src/main/java/com/topjohnwu/magisk/model/entity/GithubRepo.kt
new file mode 100644
index 000000000..838812829
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/model/entity/GithubRepo.kt
@@ -0,0 +1,12 @@
+package com.topjohnwu.magisk.model.entity
+
+import com.squareup.moshi.Json
+import com.topjohnwu.magisk.utils.timeFormatStandard
+import com.topjohnwu.magisk.utils.toTime
+
+data class GithubRepo(
+    @Json(name = "name") val name: String,
+    @Json(name = "updated_at") val updatedAt: String
+) {
+    val updatedAtMillis by lazy { updatedAt.toTime(timeFormatStandard) }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskConfig.kt b/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskConfig.kt
new file mode 100644
index 000000000..6fffed3df
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskConfig.kt
@@ -0,0 +1,32 @@
+package com.topjohnwu.magisk.model.entity
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+data class MagiskConfig(
+    val app: MagiskApp,
+    val uninstaller: MagiskLink,
+    val magisk: MagiskFlashable
+)
+
+@JsonClass(generateAdapter = true)
+data class MagiskApp(
+    val version: String,
+    val versionCode: String,
+    val link: String,
+    val note: String
+)
+
+@JsonClass(generateAdapter = true)
+data class MagiskLink(
+    val link: String
+)
+
+@JsonClass(generateAdapter = true)
+data class MagiskFlashable(
+    val version: String,
+    val versionCode: String,
+    val link: String,
+    val note: String,
+    @Json(name = "md5") val hash: String
+)
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskLog.kt b/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskLog.kt
new file mode 100644
index 000000000..fba4600e2
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskLog.kt
@@ -0,0 +1,46 @@
+package com.topjohnwu.magisk.model.entity
+
+import java.util.*
+
+data class MagiskLog(
+    val fromUid: Int,
+    val toUid: Int,
+    val fromPid: Int,
+    val packageName: String,
+    val appName: String,
+    val command: String,
+    val action: Boolean,
+    val date: Date
+)
+
+data class WrappedMagiskLog(
+    val time: Long,
+    val items: List<MagiskLog>
+)
+
+fun Map<String, String>.toLog(): MagiskLog {
+    return MagiskLog(
+        fromUid = get("from_uid")?.toIntOrNull() ?: -1,
+        toUid = get("to_uid")?.toIntOrNull() ?: -1,
+        fromPid = get("from_pid")?.toIntOrNull() ?: -1,
+        packageName = get("package_name").orEmpty(),
+        appName = get("app_name").orEmpty(),
+        command = get("command").orEmpty(),
+        action = get("action")?.toIntOrNull() != 0,
+        date = get("time")?.toLongOrNull()?.toDate() ?: Date()
+    )
+}
+
+fun Long.toDate() = Date(this)
+
+
+fun MagiskLog.toMap() = mapOf(
+    "from_uid" to fromUid,
+    "to_uid" to toUid,
+    "from_pid" to fromPid,
+    "package_name" to packageName,
+    "app_name" to appName,
+    "command" to command,
+    "action" to action,
+    "time" to date
+).mapValues { it.toString() }
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskModule.kt b/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskModule.kt
new file mode 100644
index 000000000..5f5a8bede
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskModule.kt
@@ -0,0 +1,81 @@
+package com.topjohnwu.magisk.model.entity
+
+import android.os.Parcelable
+import androidx.annotation.AnyThread
+import androidx.annotation.NonNull
+import androidx.annotation.WorkerThread
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import com.topjohnwu.magisk.Constants
+import com.topjohnwu.magisk.data.database.base.su
+import io.reactivex.Single
+import kotlinx.android.parcel.Parcelize
+import okhttp3.ResponseBody
+import java.io.File
+
+interface MagiskModule : Parcelable {
+    val id: String
+    val name: String
+    val author: String
+    val version: String
+    val versionCode: String
+}
+
+@Entity(tableName = "repos")
+@Parcelize
+data class Repository(
+    @PrimaryKey @NonNull
+    override val id: String,
+    override val name: String,
+    override val author: String,
+    override val version: String,
+    override val versionCode: String,
+    val lastUpdate: Long
+) : MagiskModule
+
+@Parcelize
+data class Module(
+    override val id: String,
+    override val name: String,
+    override val author: String,
+    override val version: String,
+    override val versionCode: String,
+    val path: String
+) : MagiskModule
+
+@AnyThread
+fun File.toModule(): Single<Module> {
+    val path = "${Constants.MAGISK_PATH}/$name"
+    return "dos2unix < $path/module.prop".su()
+        .map { it.first().toModule(path) }
+}
+
+fun Map<String, String>.toModule(path: String): Module {
+    return Module(
+        id = get("id").orEmpty(),
+        name = get("name").orEmpty(),
+        author = get("author").orEmpty(),
+        version = get("version").orEmpty(),
+        versionCode = get("versionCode").orEmpty(),
+        path = path
+    )
+}
+
+@WorkerThread
+fun ResponseBody.toRepository(lastUpdate: Long) = string()
+    .split(Regex("\\n"))
+    .map { it.split("=", limit = 2) }
+    .filter { it.size == 2 }
+    .map { Pair(it[0], it[1]) }
+    .toMap()
+    .toRepository(lastUpdate)
+
+@AnyThread
+fun Map<String, String>.toRepository(lastUpdate: Long) = Repository(
+    id = get("id").orEmpty(),
+    name = get("name").orEmpty(),
+    author = get("author").orEmpty(),
+    version = get("version").orEmpty(),
+    versionCode = get("versionCode").orEmpty(),
+    lastUpdate = lastUpdate
+)
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskPolicy.kt b/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskPolicy.kt
new file mode 100644
index 000000000..a56621d6f
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskPolicy.kt
@@ -0,0 +1,74 @@
+package com.topjohnwu.magisk.model.entity
+
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+
+
+data class MagiskPolicy(
+    val uid: Int,
+    val packageName: String,
+    val appName: String,
+    val policy: Int,
+    val until: Long,
+    val logging: Boolean,
+    val notification: Boolean,
+    val applicationInfo: ApplicationInfo
+)
+
+/*@Throws(PackageManager.NameNotFoundException::class)
+fun ContentValues.toPolicy(pm: PackageManager): MagiskPolicy {
+    val uid = getAsInteger("uid")
+    val packageName = getAsString("package_name")
+    val info = pm.getApplicationInfo(packageName, 0)
+    if (info.uid != uid)
+        throw PackageManager.NameNotFoundException()
+    return MagiskPolicy(
+        uid = uid,
+        packageName = packageName,
+        policy = getAsInteger("policy"),
+        until = getAsInteger("until").toLong(),
+        logging = getAsInteger("logging") != 0,
+        notification = getAsInteger("notification") != 0,
+        applicationInfo = info,
+        appName = info.loadLabel(pm).toString()
+    )
+}
+fun MagiskPolicy.toContentValues() = ContentValues().apply {
+    put("uid", uid)
+    put("uid", uid)
+    put("package_name", packageName)
+    put("policy", policy)
+    put("until", until)
+    put("logging", if (logging) 1 else 0)
+    put("notification", if (notification) 1 else 0)
+}*/
+
+fun MagiskPolicy.toMap() = mapOf(
+    "uid" to uid,
+    "package_name" to packageName,
+    "policy" to policy,
+    "until" to until,
+    "logging" to if (logging) 1 else 0,
+    "notification" to if (notification) 1 else 0
+).mapValues { it.toString() }
+
+@Throws(PackageManager.NameNotFoundException::class)
+fun Map<String, String>.toPolicy(pm: PackageManager): MagiskPolicy {
+    val uid = get("uid")?.toIntOrNull() ?: -1
+    val packageName = get("package_name").orEmpty()
+    val info = pm.getApplicationInfo(packageName, 0)
+
+    if (info.uid != uid)
+        throw PackageManager.NameNotFoundException()
+
+    return MagiskPolicy(
+        uid = uid,
+        packageName = packageName,
+        policy = get("policy")?.toIntOrNull() ?: -1,
+        until = get("until")?.toLongOrNull() ?: -1L,
+        logging = get("logging")?.toIntOrNull() != 0,
+        notification = get("notification")?.toIntOrNull() != 0,
+        applicationInfo = info,
+        appName = info.loadLabel(pm).toString()
+    )
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/entity/Version.kt b/app/src/main/java/com/topjohnwu/magisk/model/entity/Version.kt
new file mode 100644
index 000000000..5a7728a15
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/model/entity/Version.kt
@@ -0,0 +1,3 @@
+package com.topjohnwu.magisk.model.entity
+
+data class Version(val version: String, val versionCode: Int)
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/zip/Zip.kt b/app/src/main/java/com/topjohnwu/magisk/model/zip/Zip.kt
new file mode 100644
index 000000000..a83942b35
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/model/zip/Zip.kt
@@ -0,0 +1,75 @@
+package com.topjohnwu.magisk.model.zip
+
+import com.topjohnwu.magisk.utils.forEach
+import com.topjohnwu.magisk.utils.withStreams
+import com.topjohnwu.superuser.io.SuFile
+import java.io.File
+import java.util.zip.ZipInputStream
+
+
+class Zip private constructor(private val values: Builder) {
+
+    companion object {
+        operator fun invoke(builder: Builder.() -> Unit): Zip {
+            return Zip(Builder().apply(builder))
+        }
+    }
+
+    class Builder {
+        lateinit var zip: File
+        lateinit var destination: File
+        var excludeDirs = true
+    }
+
+    data class Path(val path: String, val pullFromDir: Boolean = true)
+
+    fun unzip(vararg paths: Pair<String, Boolean>) =
+        unzip(*paths.map { Path(it.first, it.second) }.toTypedArray())
+
+    @Suppress("RedundantLambdaArrow")
+    fun unzip(vararg paths: Path) {
+        ensureRequiredParams()
+
+        values.zip.zipStream().use {
+            it.forEach { e ->
+                val currentPath = paths.firstOrNull { e.name.startsWith(it.path) }
+                val isDirectory = values.excludeDirs && e.isDirectory
+                if (currentPath == null || isDirectory) {
+                    // Ignore directories, only create files
+                    return@forEach
+                }
+
+                val name = if (currentPath.pullFromDir) {
+                    e.name.substring(e.name.lastIndexOf('/') + 1)
+                } else {
+                    e.name
+                }
+
+                val out = File(values.destination, name)
+                    .ensureExists()
+                    .outputStream()
+                //.suOutputStream()
+
+                withStreams(it, out) { reader, writer ->
+                    reader.copyTo(writer)
+                }
+            }
+        }
+    }
+
+    private fun ensureRequiredParams() {
+        if (!values.zip.exists()) {
+            throw RuntimeException("Zip file does not exist")
+        }
+    }
+
+    private fun File.ensureExists() =
+        if ((!parentFile.exists() && !parentFile.mkdirs()) || parentFile is SuFile) {
+            SuFile(parentFile, name).apply { parentFile.mkdirs() }
+        } else {
+            this
+        }
+
+    private fun File.zipStream() = ZipInputStream(inputStream())
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/tasks/CheckUpdates.java b/app/src/main/java/com/topjohnwu/magisk/tasks/CheckUpdates.java
index f97101634..f2e91e61f 100644
--- a/app/src/main/java/com/topjohnwu/magisk/tasks/CheckUpdates.java
+++ b/app/src/main/java/com/topjohnwu/magisk/tasks/CheckUpdates.java
@@ -14,6 +14,7 @@ import com.topjohnwu.superuser.internal.UiThreadHandler;
 import org.json.JSONException;
 import org.json.JSONObject;
 
+@Deprecated
 public class CheckUpdates {
 
     private static Request getRequest() {
@@ -56,8 +57,8 @@ public class CheckUpdates {
 
     private static class UpdateListener implements ResponseListener<JSONObject> {
 
-        private Runnable cb;
-        private long start;
+        private final Runnable cb;
+        private final long start;
 
         UpdateListener(Runnable callback) {
             cb = callback;
diff --git a/app/src/main/java/com/topjohnwu/magisk/tasks/UpdateRepos.java b/app/src/main/java/com/topjohnwu/magisk/tasks/UpdateRepos.java
index d7d4754a5..41f3a0bb2 100644
--- a/app/src/main/java/com/topjohnwu/magisk/tasks/UpdateRepos.java
+++ b/app/src/main/java/com/topjohnwu/magisk/tasks/UpdateRepos.java
@@ -31,6 +31,7 @@ import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 
+@Deprecated
 public class UpdateRepos {
     private static final DateFormat DATE_FORMAT;
 
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/Event.java b/app/src/main/java/com/topjohnwu/magisk/utils/Event.java
index ef786974a..fbce4530c 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/Event.java
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/Event.java
@@ -1,14 +1,15 @@
 package com.topjohnwu.magisk.utils;
 
-import androidx.annotation.IntDef;
-import androidx.collection.ArraySet;
-
 import com.topjohnwu.superuser.internal.UiThreadHandler;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.Set;
 
+import androidx.annotation.IntDef;
+import androidx.collection.ArraySet;
+
+@Deprecated
 public class Event {
 
     public static final int MAGISK_HIDE_DONE = 0;
@@ -23,8 +24,9 @@ public class Event {
     public @interface EventID {}
 
     // We will not dynamically add topics, so use arrays instead of hash tables
-    private static Store[] eventList = new Store[5];
+    private static final Store[] eventList = new Store[5];
 
+    @Deprecated
     public static void register(Listener listener, @EventID int... events) {
         for (int event : events) {
             if (eventList[event] == null)
@@ -36,10 +38,12 @@ public class Event {
         }
     }
 
+    @Deprecated
     public static void register(AutoListener listener) {
         register(listener, listener.getListeningEvents());
     }
 
+    @Deprecated
     public static void unregister(Listener listener, @EventID int... events) {
         for (int event : events) {
             if (eventList[event] == null)
@@ -48,22 +52,27 @@ public class Event {
         }
     }
 
+    @Deprecated
     public static void unregister(AutoListener listener) {
         unregister(listener, listener.getListeningEvents());
     }
 
+    @Deprecated
     public static void trigger(@EventID int event) {
         trigger(true, event, null);
     }
 
+    @Deprecated
     public static void trigger(@EventID int event, Object result) {
         trigger(true, event, result);
     }
 
+    @Deprecated
     public static void trigger(boolean perm, @EventID int event) {
         trigger(perm, event, null);
     }
 
+    @Deprecated
     public static void trigger(boolean perm, @EventID int event, Object result) {
         if (eventList[event] == null)
             eventList[event] = new Store();
@@ -76,6 +85,7 @@ public class Event {
         }
     }
 
+    @Deprecated
     public static void reset(@EventID int event) {
         if (eventList[event] == null)
             return;
@@ -83,17 +93,20 @@ public class Event {
         eventList[event].result = null;
     }
 
+    @Deprecated
     public static void reset(AutoListener listener) {
         for (int event : listener.getListeningEvents())
             reset(event);
     }
 
+    @Deprecated
     public static boolean isTriggered(@EventID int event) {
         if (eventList[event] == null)
             return false;
         return eventList[event].triggered;
     }
 
+    @Deprecated
     public static boolean isTriggered(AutoListener listener) {
         for (int event : listener.getListeningEvents()) {
             if (!isTriggered(event))
@@ -102,22 +115,26 @@ public class Event {
         return true;
     }
 
+    @Deprecated
     public static <T> T getResult(@EventID int event) {
         return (T) eventList[event].result;
     }
 
+    @Deprecated
+    public interface Listener {
+        void onEvent(int event);
+    }
+
+    @Deprecated
+    public interface AutoListener extends Listener {
+        @EventID
+        int[] getListeningEvents();
+    }
+
+    @Deprecated
     private static class Store {
         boolean triggered = false;
         Set<Listener> listeners = new ArraySet<>();
         Object result;
     }
-
-    public interface Listener {
-        void onEvent(int event);
-    }
-
-    public interface AutoListener extends Listener {
-        @EventID
-        int[] getListeningEvents();
-    }
 }
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/XAndroid.kt b/app/src/main/java/com/topjohnwu/magisk/utils/XAndroid.kt
index 0db67d30b..2aed7516a 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/XAndroid.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/XAndroid.kt
@@ -1,6 +1,7 @@
 package com.topjohnwu.magisk.utils
 
 import android.content.Context
+import android.content.Intent
 import android.content.pm.ApplicationInfo
 import android.content.pm.ComponentInfo
 import android.content.pm.PackageInfo
@@ -9,6 +10,7 @@ import android.content.pm.PackageManager.*
 import android.net.Uri
 import android.provider.OpenableColumns
 import com.topjohnwu.magisk.App
+import java.io.File
 import java.io.FileNotFoundException
 
 val PackageInfo.processes
@@ -74,3 +76,22 @@ fun Context.rawResource(id: Int) = resources.openRawResource(id)
 
 fun Context.readUri(uri: Uri) = contentResolver.openInputStream(uri) ?: throw FileNotFoundException()
 
+fun ApplicationInfo.findAppLabel(pm: PackageManager): String {
+    return pm.getApplicationLabel(this)?.toString().orEmpty()
+}
+
+fun Intent.startActivity(context: Context) = context.startActivity(this)
+
+fun File.provide(): Uri {
+    val context: Context by inject()
+    return FileProvider.getUriForFile(context, "com.topjohnwu.magisk.fileprovider", this)
+}
+
+fun File.mv(destination: File) {
+    inputStream().copyTo(destination)
+    deleteRecursively()
+}
+
+fun String.toFile() = File(this)
+
+fun Intent.chooser(title: String = "Pick an app") = Intent.createChooser(this, title)
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/XJava.kt b/app/src/main/java/com/topjohnwu/magisk/utils/XJava.kt
new file mode 100644
index 000000000..689471a6f
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/XJava.kt
@@ -0,0 +1,38 @@
+package com.topjohnwu.magisk.utils
+
+import android.net.Uri
+import androidx.core.net.toFile
+import org.kamranzafar.jtar.TarInputStream
+import org.kamranzafar.jtar.TarOutputStream
+import java.io.File
+import java.io.InputStream
+import java.io.OutputStream
+import java.util.zip.ZipEntry
+import java.util.zip.ZipInputStream
+
+fun ZipInputStream.forEach(callback: (ZipEntry) -> Unit) {
+    var entry: ZipEntry? = nextEntry
+    while (entry != null) {
+        callback(entry)
+        entry = nextEntry
+    }
+}
+
+fun Uri.copyTo(file: File) = toFile().copyTo(file)
+fun InputStream.copyTo(file: File) =
+    withStreams(this, file.outputStream()) { reader, writer -> reader.copyTo(writer) }
+
+fun File.tarInputStream() = TarInputStream(inputStream())
+fun File.tarOutputStream() = TarOutputStream(this)
+
+inline fun <In : InputStream, Out : OutputStream> withStreams(
+    inStream: In,
+    outStream: Out,
+    withBoth: (In, Out) -> Unit
+) {
+    inStream.use { reader ->
+        outStream.use { writer ->
+            withBoth(reader, writer)
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/XNetwork.kt b/app/src/main/java/com/topjohnwu/magisk/utils/XNetwork.kt
new file mode 100644
index 000000000..279161887
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/XNetwork.kt
@@ -0,0 +1,54 @@
+package com.topjohnwu.magisk.utils
+
+import android.content.Context
+import android.content.Intent
+import androidx.browser.customtabs.CustomTabsIntent
+import androidx.core.content.ContextCompat
+import androidx.core.net.toUri
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.R
+import okhttp3.ResponseBody
+import java.io.File
+
+fun ResponseBody.writeToFile(context: Context, fileName: String): File {
+    val file = File(context.cacheDir, fileName)
+    withStreams(byteStream(), file.outputStream()) { inStream, outStream ->
+        inStream.copyTo(outStream)
+    }
+    return file
+}
+
+fun ResponseBody.writeToString() = string()
+
+fun String.launch() = if (Config.useCustomTabs) {
+    launchWithCustomTabs()
+} else {
+    launchWithIntent()
+}
+
+
+private fun String.launchWithCustomTabs() {
+    val context: Context by inject()
+    val primaryColor = ContextCompat.getColor(context, R.color.colorPrimary)
+    val secondaryColor = ContextCompat.getColor(context, R.color.colorSecondary)
+
+    CustomTabsIntent.Builder()
+        .enableUrlBarHiding()
+        .setShowTitle(true)
+        .setToolbarColor(primaryColor)
+        .setSecondaryToolbarColor(secondaryColor)
+        .build()
+        .apply { intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK }
+        .launchUrl(context, this.toUri())
+}
+
+private fun String.launchWithIntent() {
+    val context: Context by inject()
+
+    Intent(Intent.ACTION_VIEW)
+        .apply {
+            data = toUri()
+            flags = Intent.FLAG_ACTIVITY_NEW_TASK
+        }
+        .startActivity(context)
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/XSU.kt b/app/src/main/java/com/topjohnwu/magisk/utils/XSU.kt
new file mode 100644
index 000000000..5dcd620a6
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/XSU.kt
@@ -0,0 +1,19 @@
+package com.topjohnwu.magisk.utils
+
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.io.SuFileInputStream
+import com.topjohnwu.superuser.io.SuFileOutputStream
+import java.io.File
+
+fun reboot(recovery: Boolean = false): Shell.Result {
+    val command = StringBuilder("/system/bin/reboot")
+        .appendIf(recovery) {
+            append(" recovery")
+        }
+        .toString()
+
+    return Shell.su(command).exec()
+}
+
+fun File.suOutputStream() = SuFileOutputStream(this)
+fun File.suInputStream() = SuFileInputStream(this)
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/XString.kt b/app/src/main/java/com/topjohnwu/magisk/utils/XString.kt
index 5f41b8693..874eb8bab 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/XString.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/XString.kt
@@ -8,4 +8,7 @@ fun String.replaceRandomWithSpecial(): String {
         random = random()
     } while (random == '.')
     return replace(random, specialChars.random())
-}
\ No newline at end of file
+}
+
+fun StringBuilder.appendIf(condition: Boolean, builder: StringBuilder.() -> Unit) =
+    if (condition) apply(builder) else this
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/XView.kt b/app/src/main/java/com/topjohnwu/magisk/utils/XView.kt
new file mode 100644
index 000000000..98ece17f8
--- /dev/null
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/XView.kt
@@ -0,0 +1,14 @@
+package com.topjohnwu.magisk.utils
+
+import android.view.View
+import android.view.ViewTreeObserver
+
+fun View.setOnViewReadyListener(callback: () -> Unit) = addOnGlobalLayoutListener(true, callback)
+
+fun View.addOnGlobalLayoutListener(oneShot: Boolean = false, callback: () -> Unit) =
+    viewTreeObserver.addOnGlobalLayoutListener(object : ViewTreeObserver.OnGlobalLayoutListener {
+        override fun onGlobalLayout() {
+            if (oneShot) viewTreeObserver.removeOnGlobalLayoutListener(this)
+            callback()
+        }
+    })
\ No newline at end of file
diff --git a/net/src/main/java/com/topjohnwu/net/Networking.java b/net/src/main/java/com/topjohnwu/net/Networking.java
index 2b7c3bbc6..a79274e53 100644
--- a/net/src/main/java/com/topjohnwu/net/Networking.java
+++ b/net/src/main/java/com/topjohnwu/net/Networking.java
@@ -13,6 +13,7 @@ import java.net.URL;
 
 import javax.net.ssl.HttpsURLConnection;
 
+@Deprecated
 public class Networking {
 
     private static final int READ_TIMEOUT = 15000;