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/***************************************************************************************************
* Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
**************************************************************************************************/
package at.bitfire.cert4android
import android.app.Service
import android.content.Intent
import android.os.IBinder
import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation
import androidx.test.rule.ServiceTestRule
import org.junit.After
import org.junit.Assert.assertNotNull
import org.junit.Assume.assumeNotNull
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import java.io.IOException
import java.net.URL
import java.security.cert.CertificateException
import java.security.cert.X509Certificate
import javax.net.ssl.HttpsURLConnection
class CustomCertManagerTest {
companion object {
private fun getSiteCertificates(url: URL): List<X509Certificate> {
val conn = url.openConnection() as HttpsURLConnection
try {
conn.inputStream.read()
val certs = mutableListOf<X509Certificate>()
conn.serverCertificates.forEach { certs += it as X509Certificate }
return certs
} finally {
conn.disconnect()
}
}
}
lateinit var certManager: CustomCertManager
lateinit var paranoidCertManager: CustomCertManager
init {
CustomCertManager.SERVICE_TIMEOUT = 1000
}
@JvmField
@Rule
val serviceTestRule = ServiceTestRule()
var siteCerts: List<X509Certificate>? = null
init {
try {
siteCerts = getSiteCertificates(URL("https://www.davdroid.com"))
} catch(e: IOException) {
}
assumeNotNull(siteCerts)
}
@Before
fun initCertManager() {
// prepare a bound and ready service for testing
// loop required because of https://code.google.com/p/android/issues/detail?id=180396
val binder = bindService(CustomCertService::class.java)
assertNotNull(binder)
val context = getInstrumentation().context
CustomCertManager.resetCertificates(context)
certManager = CustomCertManager(context, false)
assertNotNull(certManager)
paranoidCertManager = CustomCertManager(context, false, false)
assertNotNull(paranoidCertManager)
}
@After
fun closeCertManager() {
paranoidCertManager.close()
certManager.close()
}
@Test(expected = CertificateException::class)
fun testCheckClientCertificate() {
certManager.checkClientTrusted(null, null)
}
@Test
fun testTrustedCertificate() {
certManager.checkServerTrusted(siteCerts!!.toTypedArray(), "RSA")
}
@Test(expected = CertificateException::class)
fun testParanoidCertificate() {
paranoidCertManager.checkServerTrusted(siteCerts!!.toTypedArray(), "RSA")
}
@Test
fun testAddCustomCertificate() {
addCustomCertificate()
paranoidCertManager.checkServerTrusted(siteCerts!!.toTypedArray(), "RSA")
}
// fails randomly for unknown reason:
@Test(expected = CertificateException::class)
fun testRemoveCustomCertificate() {
addCustomCertificate()
// remove certificate and check again
// should now be rejected for the whole session, i.e. no timeout anymore
val intent = Intent(getInstrumentation().context, CustomCertService::class.java)
intent.action = CustomCertService.CMD_CERTIFICATION_DECISION
intent.putExtra(CustomCertService.EXTRA_CERTIFICATE, siteCerts!!.first().encoded)
intent.putExtra(CustomCertService.EXTRA_TRUSTED, false)
startService(intent, CustomCertService::class.java)
paranoidCertManager.checkServerTrusted(siteCerts!!.toTypedArray(), "RSA")
}
private fun addCustomCertificate() {
// add certificate and check again
val intent = Intent(getInstrumentation().context, CustomCertService::class.java)
intent.action = CustomCertService.CMD_CERTIFICATION_DECISION
intent.putExtra(CustomCertService.EXTRA_CERTIFICATE, siteCerts!!.first().encoded)
intent.putExtra(CustomCertService.EXTRA_TRUSTED, true)
startService(intent, CustomCertService::class.java)
}
private fun bindService(clazz: Class<out Service>): IBinder {
var binder = serviceTestRule.bindService(Intent(getInstrumentation().targetContext, clazz))
var it = 0
while (binder == null && it++ <100) {
binder = serviceTestRule.bindService(Intent(getInstrumentation().targetContext, clazz))
System.err.println("Waiting for ServiceTestRule.bindService")
Thread.sleep(50)
}
if (binder == null)
throw IllegalStateException("Couldn't bind to service")
return binder
}
private fun startService(intent: Intent, clazz: Class<out Service>) {
serviceTestRule.startService(intent)
bindService(clazz)
}
}
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