Add apk build

apk/app/build.gradle.kts

@@ -0,0 +1,73 @@
+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "io.nekohasekai.sagernet.plugin.naive"
+
+    signingConfigs {
+        create("release") {
+            storeFile = rootProject.file("release.keystore")
+            storePassword = System.getenv("KEYSTORE_PASS")
+            keyAlias = "release"
+            keyPassword = System.getenv("KEYSTORE_PASS")
+        }
+    }
+
+    buildTypes {
+        getByName("release") {
+            isMinifyEnabled = true
+            signingConfig = signingConfigs.getByName("release")
+        }
+    }
+
+    buildToolsVersion = "36.0.0"
+
+    compileSdk = 36
+
+    defaultConfig {
+        minSdk = 24
+        targetSdk = 36
+
+        applicationId = "io.nekohasekai.sagernet.plugin.naive"
+        versionCode = System.getenv("APK_VERSION_NAME").removePrefix("v").split(".")[0].toInt() * 10 + System.getenv("APK_VERSION_NAME").removePrefix("v").split("-")[1].toInt()
+        versionName = System.getenv("APK_VERSION_NAME").removePrefix("v")
+        splits.abi {
+            isEnable = true
+            isUniversalApk = false
+            reset()
+            include(System.getenv("APK_ABI"))
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_21
+        targetCompatibility = JavaVersion.VERSION_21
+    }
+
+    lint {
+        showAll = true
+        checkAllWarnings = true
+        checkReleaseBuilds = false
+        warningsAsErrors = true
+    }
+
+    packaging {
+        jniLibs.useLegacyPackaging = true
+    }
+
+    applicationVariants.all {
+        outputs.all {
+            this as com.android.build.gradle.internal.api.BaseVariantOutputImpl
+            outputFileName =
+                outputFileName.replace(project.name, "naiveproxy-plugin-v$versionName")
+                    .replace("-release", "")
+                    .replace("-oss", "")
+        }
+    }
+
+    sourceSets.getByName("main") {
+        jniLibs.srcDir("libs")
+    }
+}

apk/app/src/main/AndroidManifest.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:installLocation="internalOnly"
+    tools:ignore="MissingLeanbackLauncher">
+
+    <uses-feature
+        android:name="android.software.leanback"
+        android:required="false" />
+    <uses-feature
+        android:name="android.hardware.touchscreen"
+        android:required="false" />
+
+    <application
+        android:allowBackup="false"
+        android:icon="@mipmap/ic_launcher"
+        android:label="Naïve Plugin"
+        android:roundIcon="@mipmap/ic_launcher_round">
+        <provider
+            android:name=".BinaryProvider"
+            android:authorities="io.nekohasekai.sagernet.plugin.naive.BinaryProvider"
+            android:directBootAware="true"
+            android:exported="true"
+            tools:ignore="ExportedContentProvider">
+            <intent-filter>
+                <action android:name="io.nekohasekai.sagernet.plugin.ACTION_NATIVE_PLUGIN" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="io.nekohasekai.sagernet.plugin.ACTION_NATIVE_PLUGIN" />
+                <data
+                    android:host="io.nekohasekai.sagernet"
+                    android:path="/naive-plugin"
+                    android:scheme="plugin" />
+            </intent-filter>
+
+            <meta-data
+                android:name="io.nekohasekai.sagernet.plugin.id"
+                android:value="naive-plugin" />
+            <meta-data
+                android:name="io.nekohasekai.sagernet.plugin.executable_path"
+                android:value="libnaive.so" />
+        </provider>
+    </application>
+
+</manifest>

apk/app/src/main/java/io/nekohasekai/sagernet/plugin/NativePluginProvider.kt

@@ -0,0 +1,98 @@
+/******************************************************************************
+ *                                                                            *
+ * Copyright (C) 2021 by nekohasekai <contact-sagernet@sekai.icu>             *
+ *                                                                            *
+ * 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 io.nekohasekai.sagernet.plugin
+
+import android.content.ContentProvider
+import android.content.ContentValues
+import android.database.Cursor
+import android.database.MatrixCursor
+import android.net.Uri
+import android.os.Bundle
+import android.os.ParcelFileDescriptor
+
+abstract class NativePluginProvider : ContentProvider() {
+    override fun getType(uri: Uri): String? = "application/x-elf"
+
+    override fun onCreate(): Boolean = true
+
+    /**
+     * Provide all files needed for native plugin.
+     *
+     * @param provider A helper object to use to add files.
+     */
+    protected abstract fun populateFiles(provider: PathProvider)
+
+    override fun query(
+        uri: Uri,
+        projection: Array<out String>?,
+        selection: String?,
+        selectionArgs: Array<out String>?,
+        sortOrder: String?,
+    ): Cursor? {
+        check(selection == null && selectionArgs == null && sortOrder == null)
+        val result = MatrixCursor(projection)
+        populateFiles(PathProvider(uri, result))
+        return result
+    }
+
+    /**
+     * Returns executable entry absolute path.
+     * This is used for fast mode initialization where ss-local launches your native binary at the path given directly.
+     * In order for this to work, plugin app is encouraged to have the following in its AndroidManifest.xml:
+     *  - android:installLocation="internalOnly" for <manifest>
+     *  - android:extractNativeLibs="true" for <application>
+     *
+     * Default behavior is throwing UnsupportedOperationException. If you don't wish to use this feature, use the
+     * default behavior.
+     *
+     * @return Absolute path for executable entry.
+     */
+    open fun getExecutable(): String = throw UnsupportedOperationException()
+
+    abstract fun openFile(uri: Uri): ParcelFileDescriptor
+    override fun openFile(uri: Uri, mode: String): ParcelFileDescriptor {
+        check(mode == "r")
+        return openFile(uri)
+    }
+
+    override fun call(method: String, arg: String?, extras: Bundle?): Bundle? = when (method) {
+        PluginContract.METHOD_GET_EXECUTABLE -> {
+            Bundle().apply {
+                putString(PluginContract.EXTRA_ENTRY, getExecutable())
+            }
+        }
+        else -> super.call(method, arg, extras)
+    }
+
+    // Methods that should not be used
+    override fun insert(uri: Uri, values: ContentValues?): Uri? =
+        throw UnsupportedOperationException()
+
+    override fun update(
+        uri: Uri,
+        values: ContentValues?,
+        selection: String?,
+        selectionArgs: Array<out String>?,
+    ): Int =
+        throw UnsupportedOperationException()
+
+    override fun delete(uri: Uri, selection: String?, selectionArgs: Array<out String>?): Int =
+        throw UnsupportedOperationException()
+}

apk/app/src/main/java/io/nekohasekai/sagernet/plugin/PathProvider.kt

@@ -0,0 +1,53 @@
+/******************************************************************************
+ *                                                                            *
+ * Copyright (C) 2021 by nekohasekai <contact-sagernet@sekai.icu>             *
+ *                                                                            *
+ * 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 io.nekohasekai.sagernet.plugin
+
+import android.database.MatrixCursor
+import android.net.Uri
+import java.io.File
+
+/**
+ * Helper class to provide relative paths of files to copy.
+ */
+class PathProvider internal constructor(baseUri: Uri, private val cursor: MatrixCursor) {
+    private val basePath = baseUri.path?.trim('/') ?: ""
+
+    fun addPath(path: String, mode: Int = 0b110100100): PathProvider {
+        val trimmed = path.trim('/')
+        if (trimmed.startsWith(basePath)) cursor.newRow()
+                .add(PluginContract.COLUMN_PATH, trimmed)
+                .add(PluginContract.COLUMN_MODE, mode)
+        return this
+    }
+    fun addTo(file: File, to: String = "", mode: Int = 0b110100100): PathProvider {
+        var sub = to + file.name
+        if (basePath.startsWith(sub)) if (file.isDirectory) {
+            sub += '/'
+            file.listFiles()!!.forEach { addTo(it, sub, mode) }
+        } else addPath(sub, mode)
+        return this
+    }
+    fun addAt(file: File, at: String = "", mode: Int = 0b110100100): PathProvider {
+        if (basePath.startsWith(at)) {
+            if (file.isDirectory) file.listFiles()!!.forEach { addTo(it, at, mode) } else addPath(at, mode)
+        }
+        return this
+    }
+}

apk/app/src/main/java/io/nekohasekai/sagernet/plugin/PluginContract.kt

@@ -0,0 +1,34 @@
+/******************************************************************************
+ *                                                                            *
+ * Copyright (C) 2021 by nekohasekai <contact-sagernet@sekai.icu>             *
+ *                                                                            *
+ * 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 io.nekohasekai.sagernet.plugin
+
+object PluginContract {
+
+    const val ACTION_NATIVE_PLUGIN = "io.nekohasekai.sagernet.plugin.ACTION_NATIVE_PLUGIN"
+    const val EXTRA_ENTRY = "io.nekohasekai.sagernet.plugin.EXTRA_ENTRY"
+    const val METADATA_KEY_ID = "io.nekohasekai.sagernet.plugin.id"
+    const val METADATA_KEY_EXECUTABLE_PATH = "io.nekohasekai.sagernet.plguin.executable_path"
+    const val METHOD_GET_EXECUTABLE = "sagernet:getExecutable"
+
+    const val COLUMN_PATH = "path"
+    const val COLUMN_MODE = "mode"
+    const val SCHEME = "plugin"
+    const val AUTHORITY = "io.nekohasekai.sagernet"
+}

apk/app/src/main/java/io/nekohasekai/sagernet/plugin/naive/BinaryProvider.kt

@@ -0,0 +1,42 @@
+/******************************************************************************
+ *                                                                            *
+ * Copyright (C) 2021 by nekohasekai <contact-sagernet@sekai.icu>             *
+ *                                                                            *
+ * 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 io.nekohasekai.sagernet.plugin.naive
+
+import android.net.Uri
+import android.os.ParcelFileDescriptor
+import io.nekohasekai.sagernet.plugin.NativePluginProvider
+import io.nekohasekai.sagernet.plugin.PathProvider
+import java.io.File
+import java.io.FileNotFoundException
+
+class BinaryProvider : NativePluginProvider() {
+    override fun populateFiles(provider: PathProvider) {
+        provider.addPath("naive-plugin", 0b111101101)
+    }
+
+    override fun getExecutable() = context!!.applicationInfo.nativeLibraryDir + "/libnaive.so"
+    override fun openFile(uri: Uri): ParcelFileDescriptor = when (uri.path) {
+        "/naive-plugin" -> ParcelFileDescriptor.open(
+            File(getExecutable()),
+            ParcelFileDescriptor.MODE_READ_ONLY
+        )
+        else -> throw FileNotFoundException()
+    }
+}

apk/app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108"
+    android:tint="#FFFFFF">
+  <group android:scaleX="0.13877095"
+      android:scaleY="0.13877095"
+      android:translateX="29.16"
+      android:translateY="42.010185">
+    <group android:translateY="138.67206">
+      <path android:pathData="M4.171875,-0L34.546875,-0L34.546875,-5.890625L25.90625,-7.046875L23.3125,-9.796875L23.3125,-82.125L78.1875,-0L87.6875,-0L87.6875,-87.328125L90.28125,-89.9375L98.921875,-91.234375L98.921875,-97L68.671875,-97L68.671875,-91.234375L77.3125,-89.9375L79.90625,-87.328125L79.90625,-19.34375L30.8125,-93.390625L30.8125,-97L3.734375,-97L3.734375,-91.234375L12.953125,-90.359375L15.546875,-88.34375L15.546875,-9.796875L12.953125,-7.046875L4.171875,-5.890625L4.171875,-0Z"
+          android:fillColor="#FFFFFF"/>
+      <path android:pathData="M151.09375,-8.375L152.95312,0L173.26562,0L173.26562,-5.171875L165.625,-5.90625L163.03125,-8.234375L163.03125,-50.3125C163.03125,-64.796875,156.70312,-71,141.57812,-71C123.4375,-71,112.5,-63.5,112.5,-54.75C112.5,-51.3125,113.640625,-50.3125,116.953125,-50.3125L126.890625,-50.3125L126.890625,-62.359375C130.78125,-63.9375,134.23438,-64.65625,137.84375,-64.65625C148.20312,-64.65625,151.09375,-59.921875,151.09375,-48.578125L151.09375,-44C122.28125,-37.0625,109.046875,-32.6875,109.046875,-17.546875C109.046875,-6.625,116.09375,1,127.46875,1C134.39062,1.015625,142.01562,-2.15625,151.09375,-8.375ZM151.09375,-13.328125C143.89062,-9.09375,137.98438,-6.765625,133.23438,-6.765625C126.03125,-6.765625,121.71875,-11.578125,121.71875,-18.703125C121.71875,-29.34375,130.78125,-33.265625,151.09375,-38.953125L151.09375,-13.328125Z"
+          android:fillColor="#FFFFFF"/>
+      <path android:pathData="M197.59375,-70L181.03125,-65L181.03125,-60.53125L191.10938,-60.53125L191.10938,-8.203125L188.65625,-5.90625L181.03125,-5.171875L181.03125,0L213.4375,0L213.4375,-5.171875L205.65625,-5.90625L203.20312,-8.203125L203.20312,-70L197.59375,-70ZM182.76562,-99.53125C178.73438,-99.53125,175.42188,-96.375,175.42188,-92.1875C175.42188,-88.15625,178.73438,-85,182.76562,-85C186.79688,-85,189.95312,-88.15625,189.95312,-92.1875C189.95312,-96.375,186.79688,-99.53125,182.76562,-99.53125ZM209.54688,-99.53125C205.51562,-99.53125,202.20312,-96.375,202.20312,-92.1875C202.20312,-88.15625,205.51562,-85,209.54688,-85C213.57812,-85,216.75,-88.15625,216.75,-92.1875C216.75,-96.375,213.57812,-99.53125,209.54688,-99.53125Z"
+          android:fillColor="#FFFFFF"/>
+      <path android:pathData="M215.26562,-69L215.26562,-63.671875L224.0625,-62.796875L247.23438,0L255.29688,0L280.5,-62.515625L289,-63.671875L289,-69L263.51562,-69L263.51562,-63.671875L271.28125,-63.09375L272.4375,-60.796875L254,-13.90625L237.15625,-60.796875L238.89062,-63.09375L246.51562,-63.671875L246.51562,-69L215.26562,-69Z"
+          android:fillColor="#FFFFFF"/>
+      <path android:pathData="M351.5,-15.5C343.29688,-10.0625,336.09375,-7.203125,328.89062,-7.203125C314.35938,-7.203125,304.70312,-18.078125,304.70312,-36.421875C304.70312,-36.84375,304.70312,-37.421875,304.70312,-38L351.35938,-38C351.5,-39.578125,351.5,-41.015625,351.5,-42.453125C351.5,-60.296875,341.28125,-71,325.57812,-71C306.28125,-71,292.3125,-56.09375,292.3125,-34.265625C292.3125,-13.21875,305.42188,1,324.4375,1C333.5,1,342.85938,-1.875,351.5,-7.625L351.5,-15.5ZM338.6875,-44.046875L305.42188,-44.046875C306.28125,-56.375,314.5,-64.515625,323.71875,-64.515625C333.35938,-64.515625,338.6875,-58.125,338.6875,-46.359375C338.6875,-45.640625,338.6875,-44.765625,338.6875,-44.046875Z"
+          android:fillColor="#FFFFFF"/>
+    </group>
+  </group>
+</vector>

apk/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

apk/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

apk/app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#E91E63</color>
+</resources>