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use same fingerprint

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This commit is contained in:
Benjamin Halko 2023-09-27 14:36:39 -07:00
parent 83cbb34a5b
commit e7c8d0e78c
No known key found for this signature in database
GPG Key ID: 790C70040EB331A0
1 changed files with 57 additions and 64 deletions
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61
android/app/src/main/kotlin/app/revanced/manager/flutter/ExportSettingsActivity.kt
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@ -19,41 +19,9 @@ import android.util.Log
class ExportSettingsActivity : Activity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
val revancedFingerprint = "b6362c6ea7888efd15c0800f480786ad0f5b133b4f84e12d46afba5f9eac1223"
val callingPackageName = getCallingPackage()!!
// Get the package name of the app that started the activity
val packageName = getCallingPackage()!!
// Get the signature of the app that matches the package name
val packageInfo = packageManager.getPackageInfo(packageName, PackageManager.GET_SIGNATURES)
val signatures = packageInfo.signatures
// Loop through each signature and print its properties
for (signature in signatures) {
// 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)
}
if (fingerprint == revancedFingerprint) {
sendData()
}
}
// Send data back
val resultIntent = Intent()
setResult(Activity.RESULT_CANCELED)
finish()
}
fun sendData() {
if (getFingerprint(callingPackageName) == getFingerprint(getPackageName())) {
// Create JSON Object
val json = JSONObject()
@ -92,5 +60,30 @@ class ExportSettingsActivity : Activity() {
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
}
}