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86
android/app/src/main/kotlin/app/revanced/manager/flutter/ExportSettingsActivity.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package app.revanced.manager.flutter | ||
|
|
||
| import android.app.Activity | ||
| import android.content.Context | ||
| import android.content.Intent | ||
| import android.content.pm.PackageInfo | ||
| import android.content.pm.PackageManager | ||
| import android.os.Bundle | ||
| import android.util.Base64 | ||
| import org.json.JSONObject | ||
| import java.io.ByteArrayInputStream | ||
| import java.io.File | ||
| import java.security.cert.CertificateFactory | ||
| import java.security.cert.X509Certificate | ||
| import java.security.MessageDigest | ||
|
|
||
| class ExportSettingsActivity : Activity() { | ||
| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| val callingPackageName = getCallingPackage()!! | ||
|
|
||
| if (getFingerprint(callingPackageName) == getFingerprint(getPackageName())) { | ||
| // Create JSON Object | ||
| val json = JSONObject() | ||
|
|
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| // Default Data | ||
| json.put("keystorePassword", "s3cur3p@ssw0rd") | ||
|
|
||
| // Load Shared Preferences | ||
| val sharedPreferences = getSharedPreferences("FlutterSharedPreferences", Context.MODE_PRIVATE) | ||
| val allEntries: Map<String, *> = sharedPreferences.getAll() | ||
| for ((key, value) in allEntries.entries) { | ||
| json.put( | ||
| key.replace("flutter.", ""), | ||
| if (value is Boolean) if (value) 1 else 0 else value | ||
| ) | ||
| } | ||
|
|
||
| // Load keystore | ||
| val keystoreFile = File(getExternalFilesDir(null), "/revanced-manager.keystore") | ||
| if (keystoreFile.exists()) { | ||
| val keystoreBytes = keystoreFile.readBytes() | ||
| val keystoreBase64 = Base64.encodeToString(keystoreBytes, Base64.DEFAULT) | ||
| json.put("keystore", keystoreBase64) | ||
| } | ||
|
|
||
| // Load saved patches | ||
| val storedPatchesFile = File(filesDir.parentFile.absolutePath, "/app_flutter/selected-patches.json") | ||
| if (storedPatchesFile.exists()) { | ||
| val patchesBytes = storedPatchesFile.readBytes() | ||
| val patches = String(patchesBytes, Charsets.UTF_8) | ||
| json.put("patches", JSONObject(patches)) | ||
| } | ||
|
|
||
| // Send data back | ||
| val resultIntent = Intent() | ||
| resultIntent.putExtra("data", json.toString()) | ||
| setResult(Activity.RESULT_OK, resultIntent) | ||
| finish() | ||
| } else { | ||
| val resultIntent = Intent() | ||
| setResult(Activity.RESULT_CANCELED) | ||
| finish() | ||
| } | ||
| } | ||
|
|
||
| fun getFingerprint(packageName: String): String { | ||
| // Get the signature of the app that matches the package name | ||
| val packageInfo = packageManager.getPackageInfo(packageName, PackageManager.GET_SIGNATURES) | ||
| val signature = packageInfo.signatures[0] | ||
|
|
||
| // Get the raw certificate data | ||
| val rawCert = signature.toByteArray() | ||
|
|
||
| // Generate an X509Certificate from the data | ||
| val certFactory = CertificateFactory.getInstance("X509") | ||
| val x509Cert = certFactory.generateCertificate(ByteArrayInputStream(rawCert)) as X509Certificate | ||
|
|
||
| // Get the SHA256 fingerprint | ||
| val fingerprint = MessageDigest.getInstance("SHA256").digest(x509Cert.encoded).joinToString("") { | ||
| "%02x".format(it) | ||
| } | ||
|
|
||
| return fingerprint | ||
| } | ||
| } |
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