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PackageManagerAPI implementation 1
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@MrRare2
MrRare2 committed Jun 17, 2024
1 parent cff225e commit 855b96e
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10 changes: 10 additions & 0 deletions app/src/main/AndroidManifest.xml
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Expand Up @@ -17,6 +17,7 @@
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" tools:ignore="ScopedStorage" />
<uses-permission android:name="android.permission.NFC"/>
<uses-permission android:name="android:permission.QUERY_ALL_PACKAGES" />
<uses-permission android:name="android.permission.READ_CALL_LOG" />
<uses-permission android:name="android.permission.READ_CONTACTS"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
Expand Down Expand Up @@ -141,6 +142,15 @@
android:grantUriPermissions="true"
android:exported="true" />

<provider
android:name="androidx.core.content.FileProvider"
android:authorities="com.termux.api.provider"
android:grantUriPermissions="true"
android:exported="false">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/provider_paths"/>
</provider>


<receiver android:name=".TermuxApiReceiver"
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14 changes: 14 additions & 0 deletions app/src/main/java/com/termux/api/TermuxApiReceiver.java
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Expand Up @@ -29,6 +29,7 @@
import com.termux.api.apis.NfcAPI;
import com.termux.api.apis.NotificationAPI;
import com.termux.api.apis.NotificationListAPI;
import com.termux.api.apis.PackageManagerAPI;
import com.termux.api.apis.SAFAPI;
import com.termux.api.apis.SensorAPI;
import com.termux.api.apis.ShareAPI;
Expand Down Expand Up @@ -178,6 +179,19 @@ private void doWork(Context context, Intent intent) {
NotificationListAPI.onReceive(this, context, intent);
}
break;
case "PackageGet":
PackageManagerAPI.onReceivePMGetApplicationInfo(this, context, intent);
case "PackageList":
PackageManagerAPI.onReceivePMListPackages(this, context, intent);
break;
case "PackageInstall":
if (TermuxApiPermissionActivity.checkAndRequestPermissions(context, intent, Manifest.permission.READ_EXTERNAL_STORAGE)) {
PackageManagerAPI.onReceivePMInstallPackage(this, context, intent);
}
break;
case "PackageUninstall":
PackageManagerAPI.onReceivePMUninstallPackage(this, context, intent);
break;
case "Notification":
NotificationAPI.onReceiveShowNotification(this, context, intent);
break;
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337 changes: 337 additions & 0 deletions app/src/main/java/com/termux/api/apis/PackageManagerAPI.java
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package com.termux.api.apis;

import android.app.AppOpsManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.Signature;
import android.net.Uri;
import android.os.Build;
import android.os.Process;
import android.provider.Settings;
import android.util.JsonWriter;
import android.widget.Toast;

import androidx.core.content.ContextCompat;
import androidx.core.content.FileProvider;

import com.termux.api.TermuxApiReceiver;
import com.termux.api.util.ResultReturner;
import com.termux.shared.logger.Logger;

import java.io.File;
import java.io.InputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;

public class PackageManagerAPI {
private static final String LOG_TAG = "PackageManagerAPI";

public static void onReceivePMGetApplicationInfo(TermuxApiReceiver apiReceiver, final Context context, Intent intent) {
Logger.logDebug(LOG_TAG, "onReceivePMGetApplicationInfo");
ResultReturner.returnData(apiReceiver, intent, new ResultReturner.ResultJsonWriter() {
@Override
public void writeJson(JsonWriter out) throws IOException {
PackageManager manager = context.getPackageManager();
String file = intent.getStringExtra("file");
if (file == null || file.isEmpty()) {
out.beginObject().name("API_ERROR").value("No file path specified").endObject();
return;
}

File apk = new File(file);
if (!apk.exists()) {
out.beginObject().name("API_ERROR").value("The file path does not exist").endObject();
return;
}

if (!apk.isFile()) {
out.beginObject().name("API_ERROR").value("Not a file").endObject();
return;
}

PackageInfo app = manager.getPackageArchiveInfo(file, PackageManager.GET_META_DATA | PackageManager.GET_PERMISSIONS | PackageManager.GET_SIGNATURES);

if (app != null){
ApplicationInfo appInfo = app.applicationInfo;

out.beginObject();
out.name("name").value(manager.getApplicationLabel(appInfo).toString());
out.name("package").value(app.packageName);
out.name("version").value(app.versionName);
out.name("target_sdk").value(appInfo.targetSdkVersion);
out.name("min_sdk").value(appInfo.minSdkVersion);
out.name("size").value(apk.length());
out.name("src").value(file);
out.name("permissions");
out.beginArray();
String[] perms = app.requestedPermissions;
if (perms != null) {
for (String perm : perms) {
out.value(perm);
}
}
out.endArray();
out.name("debuggable").value((appInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0);
out.name("process").value(appInfo.processName);
out.name("install_location");
switch (app.installLocation) {
case PackageInfo.INSTALL_LOCATION_AUTO:
out.value("auto");
break;
case PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY:
out.value("internal");
break;
case PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL:
out.value("external");
break;
default:
out.value("unknown");
break;
}
Signature[] signatures = app.signatures;
out.name("certificate");
out.beginObject();
if (signatures != null && signatures.length > 0) {
Signature signature = signatures[0];
byte[] certBytes = signature.toByteArray();
InputStream input = new ByteArrayInputStream(certBytes);
try {
CertificateFactory factory = CertificateFactory.getInstance("X.509");
X509Certificate cert = (X509Certificate) factory.generateCertificate(input);
out.name("sign_algorithm").value(cert.getSigAlgName());
out.name("valid_from").value(cert.getNotBefore().getTime()/1000);
out.name("valid_to").value(cert.getNotAfter().getTime()/1000);
out.name("issuer").value(cert.getIssuerDN().getName());
out.name("subject").value(cert.getSubjectDN().getName());
} catch (CertificateException e) {}
}
out.endObject();
out.endObject();
}
}
});
}

public static void onReceivePMListPackages(TermuxApiReceiver apiReceiver, final Context context, Intent intent) {
Logger.logDebug(LOG_TAG, "onReceivePMListPackages");
ResultReturner.returnData(apiReceiver, intent, new ResultReturner.ResultJsonWriter() {
@Override
public void writeJson(JsonWriter out) throws IOException {
PackageManager manager = context.getPackageManager();
List<PackageInfo> packages = manager.getInstalledPackages(PackageManager.GET_ACTIVITIES | PackageManager.GET_META_DATA | PackageManager.GET_PERMISSIONS | PackageManager.GET_SIGNATURES);

boolean querySystem = intent.getBooleanExtra("query_system", false);
boolean queryAll = intent.getBooleanExtra("query_all", false);
String queryName = intent.getStringExtra("query");
boolean queryPackageName = intent.getBooleanExtra("query_package_name", false);
boolean queryExact = intent.getBooleanExtra("query_exact", false);

out.beginArray();
for (PackageInfo info : packages) {
ApplicationInfo appInfo = info.applicationInfo;

if ((appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0 && !querySystem && !queryAll) {
continue;
} else if ((appInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 && querySystem && !queryAll) {
continue;
}


if (queryName != null && !queryName.isEmpty()) {
if (!queryExact) {
if (!manager.getApplicationLabel(appInfo).toString().contains(queryName) && !queryPackageName) { continue; }
if (!info.packageName.contains(queryName) && queryPackageName) { continue; }
} else {
if (!manager.getApplicationLabel(appInfo).toString().equals(queryName) && !queryPackageName) { continue; }
if (!info.packageName.equals(queryName) && queryPackageName) { continue; }
}
}
out.beginObject();
out.name("name").value(manager.getApplicationLabel(appInfo).toString());
out.name("package").value(info.packageName);
out.name("version").value(info.versionName);
out.name("version_code").value(info.versionCode);
out.name("target_sdk").value(appInfo.targetSdkVersion);
out.name("min_sdk").value(appInfo.minSdkVersion);
out.name("size").value(new File(appInfo.sourceDir).length());
out.name("src").value(appInfo.sourceDir);
Intent launchIntent = manager.getLaunchIntentForPackage(info.packageName);
if (launchIntent != null) {
out.name("launch_activity").value(launchIntent.getComponent().getClassName());
}
out.name("activities");
out.beginArray();
ActivityInfo[] activities = info.activities;
if (activities != null) {
for (ActivityInfo activity : activities) {
out.value(activity.name);
}
}
out.endArray();
out.name("permissions");
out.beginObject();
String[] perms = info.requestedPermissions;
if (perms != null) {
for (String permission : perms) {
int state = manager.checkPermission(permission, appInfo.packageName);
out.name(permission).value(state == PackageManager.PERMISSION_GRANTED);
}
}
out.endObject();

out.name("uid").value(appInfo.uid);
out.name("debuggable").value((appInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0);
out.name("process").value(appInfo.processName);
out.name("install_location");
switch (info.installLocation) {
case PackageInfo.INSTALL_LOCATION_AUTO:
out.value("auto");
break;
case PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY:
out.value("internal");
break;
case PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL:
out.value("external");
break;
default:
out.value("unknown");
break;
}
out.name("is_system").value((appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0);
try {
String init_installer = null;
String installer = null;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
init_installer = manager.getInstallSourceInfo(appInfo.packageName).getInitiatingPackageName();
installer = manager.getInstallSourceInfo(appInfo.packageName).getInstallingPackageName();

} else {
installer = manager.getInstallerPackageName(appInfo.packageName);
}

if (installer != null) {
out.name("installer").value(installer);
}
if (init_installer != null) {
out.name("init_installer").value(init_installer);
}

} catch (PackageManager.NameNotFoundException e) {
// isnt this always true?
}
Signature[] signatures = info.signatures;
out.name("certificate");
out.beginObject();
if (signatures != null && signatures.length > 0) {
Signature signature = signatures[0];
byte[] certBytes = signature.toByteArray();
try {
InputStream input = new ByteArrayInputStream(certBytes);
CertificateFactory factory = CertificateFactory.getInstance("X.509");
X509Certificate cert = (X509Certificate) factory.generateCertificate(input);
out.name("sign_algorithm").value(cert.getSigAlgName());
out.name("valid_from").value(cert.getNotBefore().getTime()/1000);
out.name("valid_to").value(cert.getNotAfter().getTime()/1000);
out.name("issuer").value(cert.getIssuerDN().getName());
out.name("subject").value(cert.getSubjectDN().getName());
} catch (CertificateException e) {}
}
out.endObject();
out.endObject();
}
out.endArray();

}
});
}

public static void onReceivePMInstallPackage(TermuxApiReceiver apiReceiver, final Context context, Intent intent) {
Logger.logDebug(LOG_TAG, "onReceivePMInstallPackage");
ResultReturner.returnData(apiReceiver, intent, new ResultReturner.ResultJsonWriter() {
@Override
public void writeJson(JsonWriter out) throws IOException {
String filePath = intent.getStringExtra("file");
if (filePath == null || filePath.isEmpty()) {
out.beginObject().name("API_ERROR").value("No file path specified").endObject();
return;
}

PackageManager manager = context.getPackageManager();

File apk = new File(filePath);

if (!apk.exists()) {
out.beginObject().name("API_ERROR").value("The file path does not exist").endObject();
return;
}

if (!apk.isFile()){
out.beginObject().name("API_ERROR").value("Not a file").endObject();
return;
}


Intent install = new Intent(Intent.ACTION_INSTALL_PACKAGE);

install.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

Uri apkUri;

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
apkUri = FileProvider.getUriForFile(context, context.getPackageName() + ".provider", apk);
install.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
} else {
apkUri = Uri.fromFile(apk);
}

install.setDataAndType(apkUri, "application/vnd.android.package-archive");
install.putExtra(Intent.EXTRA_REFERRER, Uri.parse("android-app://" + context.getPackageName()));
install.putExtra(Intent.EXTRA_ORIGINATING_URI, apkUri);

context.startActivity(install);
}
});
}

public static void onReceivePMUninstallPackage(TermuxApiReceiver apiReceiver, final Context context, Intent intent) {
Logger.logDebug(LOG_TAG, "onReceivePMUninstallPackage");
ResultReturner.returnData(apiReceiver, intent, new ResultReturner.ResultJsonWriter() {
@Override
public void writeJson(JsonWriter out) throws IOException {
String packageName = intent.getStringExtra("package");
if (packageName == null || packageName.isEmpty()) {
out.beginObject().name("API_ERROR").value("No package name specified").endObject();
}

PackageManager manager = context.getPackageManager();
try {
ApplicationInfo appInfo = manager.getApplicationInfo(packageName, 0);

if ((appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
out.beginObject().name("API_ERROR").value("You can't uninstall a system application").endObject();
} else {
Uri pkgUri = Uri.parse("package:" + packageName);

Intent uninstall = new Intent(Intent.ACTION_DELETE, pkgUri);

uninstall.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

context.startActivity(uninstall);
}
} catch (PackageManager.NameNotFoundException e) {
out.beginObject().name("API_ERROR").value(packageName + " does not exist or not installed").endObject();
}
}
});
}
}
9 changes: 9 additions & 0 deletions app/src/main/res/xml/provider_paths.xml
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<?xml version="1.0" encoding="utf-8"?>
<paths xmlns:android="http://schemas.android.com/apk/res/android">
<external-path name="external" path="."/>
<external-files-path name="external_files" path="."/>
<external-cache-path name="external_cache" path="."/>
<files-path name="files" path="."/>
<cache-path name="cache" path="."/>
<root-path name="root" path="."/>
</paths>

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