public override async Task <bool> FileExists(string filename)
{
var exists = false;
using (var process = CreateSUProcess())
using (var input = new DataInputStream(process.InputStream))
using (var output = new DataOutputStream(process.OutputStream))
{
await output.WriteBytesAsync($"[ -f \"{filename}\" ] && echo 1 || echo 0\n");
await output.FlushAsync();
await output.WriteBytesAsync("exit\n");
await output.FlushAsync();
var res = await input.ReadLineAsync();
exists = res == "1";
await process.WaitForAsync();
}
return(exists);
}
public override async Task <bool> CheckDeviceRooted()
{
try
{
using (var process = CreateSUProcess())
using (var input = new DataInputStream(process.InputStream))
using (var output = new DataOutputStream(process.OutputStream))
{
await output.WriteBytesAsync("id\n");
await output.FlushAsync();
var id = await input.ReadLineAsync();
var res = id != null && id.Contains("uid=0");
await output.WriteBytesAsync("exit\n");
await output.FlushAsync();
await process.WaitForAsync();
return(res);
}
}
catch
{
return(false);
}
}
public override async Task ExecuteRootCommand(string cmd)
{
using (var process = CreateSUProcess())
using (var output = new DataOutputStream(process.OutputStream))
{
await output.WriteBytesAsync(cmd + "\n");
await output.FlushAsync();
await output.WriteBytesAsync("exit\n");
await output.FlushAsync();
await process.WaitForAsync();
}
}
public override async Task <Stream> OpenFile(string filename)
{
Stream outStream = null;
using (var process = CreateSUProcess())
using (var input = new DataInputStream(process.InputStream))
using (var output = new DataOutputStream(process.OutputStream))
{
await output.WriteBytesAsync($"[ -f \"{filename}\" ] && echo 1 || echo 0\n");
await output.FlushAsync();
var exists = await input.ReadLineAsync();
if (exists == "1")
{
var tempDirectory = Path.Combine(Android.OS.Environment.ExternalStorageDirectory.AbsolutePath, "Android", "data", AppInfo.PackageName, "cache");
var outputFile = Path.Combine(tempDirectory, Path.GetFileName(filename));
if (!Directory.Exists(tempDirectory))
{
Directory.CreateDirectory(tempDirectory);
}
await output.WriteBytesAsync($"cp {filename} {outputFile}\n");
await output.FlushAsync();
outStream = new FileInfo(outputFile).Open(FileMode.Open);
}
await output.WriteBytesAsync("exit\n");
await output.FlushAsync();
await process.WaitForAsync();
}
return(outStream);
}
