use snowflake if necessary to update invalid vpn cert. Show cert update message in UI

5 files changed, 189 insertions, 19 deletions

diff --git a/app/src/test/java/se/leap/bitmaskclient/eip/ProviderApiManagerTest.java b/app/src/test/java/se/leap/bitmaskclient/eip/ProviderApiManagerTest.java
index c3ee344f..b7a4fa7c 100644
--- a/app/src/test/java/se/leap/bitmaskclient/eip/ProviderApiManagerTest.java
+++ b/app/src/test/java/se/leap/bitmaskclient/eip/ProviderApiManagerTest.java
@@ -54,6 +54,7 @@ import se.leap.bitmaskclient.testutils.MockSharedPreferences;
 import se.leap.bitmaskclient.tor.TorStatusObservable;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
 import static org.mockito.Mockito.when;
 import static se.leap.bitmaskclient.base.models.Constants.BROADCAST_RESULT_KEY;
 import static se.leap.bitmaskclient.base.models.Constants.EIP_ACTION_START;
@@ -61,8 +62,11 @@ import static se.leap.bitmaskclient.base.models.Constants.PROVIDER_KEY;
 import static se.leap.bitmaskclient.base.models.Constants.USE_BRIDGES;
 import static se.leap.bitmaskclient.base.models.Constants.USE_SNOWFLAKE;
 import static se.leap.bitmaskclient.providersetup.ProviderAPI.CORRECTLY_DOWNLOADED_GEOIP_JSON;
+import static se.leap.bitmaskclient.providersetup.ProviderAPI.CORRECTLY_UPDATED_INVALID_VPN_CERTIFICATE;
 import static se.leap.bitmaskclient.providersetup.ProviderAPI.ERRORS;
 import static se.leap.bitmaskclient.providersetup.ProviderAPI.INCORRECTLY_DOWNLOADED_GEOIP_JSON;
+import static se.leap.bitmaskclient.providersetup.ProviderAPI.INCORRECTLY_DOWNLOADED_VPN_CERTIFICATE;
+import static se.leap.bitmaskclient.providersetup.ProviderAPI.INCORRECTLY_UPDATED_INVALID_VPN_CERTIFICATE;
 import static se.leap.bitmaskclient.providersetup.ProviderAPI.MISSING_NETWORK_CONNECTION;
 import static se.leap.bitmaskclient.providersetup.ProviderAPI.PARAMETERS;
 import static se.leap.bitmaskclient.providersetup.ProviderAPI.PROVIDER_NOK;
@@ -76,6 +80,7 @@ import static se.leap.bitmaskclient.testutils.BackendMockResponses.BackendMockPr
 import static se.leap.bitmaskclient.testutils.BackendMockResponses.BackendMockProvider.TestBackendErrorCase.ERROR_GEOIP_SERVICE_IS_DOWN_TOR_FALLBACK;
 import static se.leap.bitmaskclient.testutils.BackendMockResponses.BackendMockProvider.TestBackendErrorCase.NO_ERROR;
 import static se.leap.bitmaskclient.testutils.BackendMockResponses.BackendMockProvider.TestBackendErrorCase.NO_ERROR_API_V4;
+import static se.leap.bitmaskclient.testutils.MockHelper.mockBase64;
 import static se.leap.bitmaskclient.testutils.MockHelper.mockBundle;
 import static se.leap.bitmaskclient.testutils.MockHelper.mockClientGenerator;
 import static se.leap.bitmaskclient.testutils.MockHelper.mockConfigHelper;
@@ -98,7 +103,7 @@ import static se.leap.bitmaskclient.testutils.TestSetupHelper.getProvider;
  */
 
 @RunWith(PowerMockRunner.class)
-@PrepareForTest({ProviderApiManager.class, TextUtils.class, ConfigHelper.class, ProviderApiConnector.class, PreferenceHelper.class, TorStatusObservable.class})
+@PrepareForTest({ProviderApiManager.class, TextUtils.class, ConfigHelper.class, ProviderApiConnector.class, PreferenceHelper.class, TorStatusObservable.class, android.util.Base64.class})
 public class ProviderApiManagerTest {
 
     private SharedPreferences mockPreferences;
@@ -790,6 +795,71 @@ public class ProviderApiManagerTest {
     }
 
     @Test
+    public void test_handleIntentUpdateVPNCertificate_TorBridgesPreferencesNotConfigured_TorStartedAndSuccess() throws IOException, CertificateEncodingException, NoSuchAlgorithmException, TimeoutException, InterruptedException {
+        Provider provider = getConfiguredProviderAPIv4();
+
+        mockConfigHelper(" a5244308a1374709a9afce95e3ae47c1b44bc2398c0a70ccbf8b3a8a97f29494");
+        mockBase64();
+        mockProviderApiConnector(ERROR_DNS_RESUOLUTION_TOR_FALLBACK);
+
+        providerApiManager = new ProviderApiManager(mockPreferences, mockResources, mockClientGenerator(), new TestProviderApiServiceCallback());
+
+        Intent providerApiCommand = mockIntent();
+        providerApiCommand.putExtra(PROVIDER_KEY, provider);
+        providerApiCommand.setAction(ProviderAPI.UPDATE_INVALID_VPN_CERTIFICATE);
+        providerApiCommand.putExtra(ProviderAPI.RECEIVER_KEY, mockResultReceiver(CORRECTLY_UPDATED_INVALID_VPN_CERTIFICATE));
+
+        mockTorStatusObservable(null);
+
+        providerApiManager.handleIntent(providerApiCommand);
+        assertNotEquals(-1, TorStatusObservable.getProxyPort());
+    }
+
+    @Test
+    public void test_handleIntentUpdateVPNCertificate_TorBridgesPreferencesFalse_TorNotStartedAndFailure() throws IOException, CertificateEncodingException, NoSuchAlgorithmException, TimeoutException, InterruptedException {
+        Provider provider = getConfiguredProviderAPIv4();
+
+        mockConfigHelper(" a5244308a1374709a9afce95e3ae47c1b44bc2398c0a70ccbf8b3a8a97f29494");
+        mockBase64();
+        mockProviderApiConnector(ERROR_DNS_RESUOLUTION_TOR_FALLBACK);
+        mockPreferences.edit().putBoolean(USE_BRIDGES, false).putBoolean(USE_SNOWFLAKE, false).commit();
+
+        providerApiManager = new ProviderApiManager(mockPreferences, mockResources, mockClientGenerator(), new TestProviderApiServiceCallback());
+
+        Intent providerApiCommand = mockIntent();
+        providerApiCommand.putExtra(PROVIDER_KEY, provider);
+        providerApiCommand.setAction(ProviderAPI.UPDATE_INVALID_VPN_CERTIFICATE);
+        providerApiCommand.putExtra(ProviderAPI.RECEIVER_KEY, mockResultReceiver(INCORRECTLY_UPDATED_INVALID_VPN_CERTIFICATE));
+
+        mockTorStatusObservable(new TimeoutException("This timeout exception is never thrown"));
+
+        providerApiManager.handleIntent(providerApiCommand);
+        assertEquals(-1, TorStatusObservable.getProxyPort());
+    }
+
+    @Test
+    public void test_handleIntentUpdateVPNCertificate_TorBridgesPreferencesTrue_TorStartedAndSuccess() throws IOException, CertificateEncodingException, NoSuchAlgorithmException, TimeoutException, InterruptedException {
+        Provider provider = getConfiguredProviderAPIv4();
+
+        mockConfigHelper(" a5244308a1374709a9afce95e3ae47c1b44bc2398c0a70ccbf8b3a8a97f29494");
+        mockBase64();
+        mockProviderApiConnector(NO_ERROR_API_V4);
+        mockPreferences.edit().putBoolean(USE_BRIDGES, true).putBoolean(USE_SNOWFLAKE, true).commit();
+
+        providerApiManager = new ProviderApiManager(mockPreferences, mockResources, mockClientGenerator(), new TestProviderApiServiceCallback());
+
+        Intent providerApiCommand = mockIntent();
+        providerApiCommand.putExtra(PROVIDER_KEY, provider);
+        providerApiCommand.setAction(ProviderAPI.UPDATE_INVALID_VPN_CERTIFICATE);
+        providerApiCommand.putExtra(ProviderAPI.RECEIVER_KEY, mockResultReceiver(CORRECTLY_UPDATED_INVALID_VPN_CERTIFICATE));
+
+        mockTorStatusObservable(null);
+
+        providerApiManager.handleIntent(providerApiCommand);
+        assertNotEquals(-1, TorStatusObservable.getProxyPort());
+    }
+
+    @Test
     public void test_handleIntentSetupProvider_TorBridgesPreferencesEnabledTimeout_TimeoutError() throws IOException, CertificateEncodingException, NoSuchAlgorithmException, TimeoutException, InterruptedException {
         Provider provider = getConfiguredProviderAPIv4();
 
diff --git a/app/src/test/java/se/leap/bitmaskclient/testutils/BackendMockResponses/NoErrorBackendResponseAPIv4.java b/app/src/test/java/se/leap/bitmaskclient/testutils/BackendMockResponses/NoErrorBackendResponseAPIv4.java
index 3b77834f..b9dc26b1 100644
--- a/app/src/test/java/se/leap/bitmaskclient/testutils/BackendMockResponses/NoErrorBackendResponseAPIv4.java
+++ b/app/src/test/java/se/leap/bitmaskclient/testutils/BackendMockResponses/NoErrorBackendResponseAPIv4.java
@@ -53,6 +53,9 @@ public class NoErrorBackendResponseAPIv4 extends BaseBackendResponse {
                 } else if (url.contains(":9001/json")) {
                     // download geoip json, containing a sorted list of gateways
                     return getInputAsString(getClass().getClassLoader().getResourceAsStream("riseup.geoip.json"));
+                } else if (url.contains("/cert")) {
+                    // download vpn key and cert
+                    return getInputAsString(getClass().getClassLoader().getResourceAsStream("v4/riseup.net.cert"));
                 } else if (url.contains("/users.json")) {
                     //create new user
                     //TODO: implement me
diff --git a/app/src/test/java/se/leap/bitmaskclient/testutils/BackendMockResponses/TorFallbackBackendResponse.java b/app/src/test/java/se/leap/bitmaskclient/testutils/BackendMockResponses/TorFallbackBackendResponse.java
index dc12ae89..c3779a21 100644
--- a/app/src/test/java/se/leap/bitmaskclient/testutils/BackendMockResponses/TorFallbackBackendResponse.java
+++ b/app/src/test/java/se/leap/bitmaskclient/testutils/BackendMockResponses/TorFallbackBackendResponse.java
@@ -49,6 +49,14 @@ public class TorFallbackBackendResponse extends BaseBackendResponse {
                     }
                     // download geoip json, containing a sorted list of gateways
                     return getInputAsString(getClass().getClassLoader().getResourceAsStream("riseup.geoip.json"));
+                } else if (url.contains("/cert")) {
+                    if (requestAttempt == 0) {
+                        requestAttempt++;
+                        throw new UnknownHostException("DNS blocked by censor ;)");
+                    }
+                    // download vpn certificate for authentication
+                    return getInputAsString(getClass().getClassLoader().getResourceAsStream("v4/riseup.net.cert"));
+
                 }
 
                 return null;
diff --git a/app/src/test/java/se/leap/bitmaskclient/testutils/MockHelper.java b/app/src/test/java/se/leap/bitmaskclient/testutils/MockHelper.java
index 8d76fd41..61d42f58 100644
--- a/app/src/test/java/se/leap/bitmaskclient/testutils/MockHelper.java
+++ b/app/src/test/java/se/leap/bitmaskclient/testutils/MockHelper.java
@@ -1,5 +1,23 @@
 package se.leap.bitmaskclient.testutils;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+import static org.powermock.api.mockito.PowerMockito.mockStatic;
+import static se.leap.bitmaskclient.base.models.Constants.PROVIDER_PRIVATE_KEY;
+import static se.leap.bitmaskclient.base.models.Constants.PROVIDER_VPN_CERTIFICATE;
+import static se.leap.bitmaskclient.base.utils.FileHelper.createFile;
+import static se.leap.bitmaskclient.base.utils.PreferenceHelper.getEipDefinitionFromPreferences;
+import static se.leap.bitmaskclient.base.utils.PreferenceHelper.getFromPersistedProvider;
+
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
@@ -18,16 +36,21 @@ import org.json.JSONException;
 import org.json.JSONObject;
 import org.mockito.invocation.InvocationOnMock;
 import org.mockito.stubbing.Answer;
+import org.powermock.api.mockito.PowerMockito;
 
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
+import java.math.BigInteger;
 import java.net.UnknownHostException;
 import java.security.NoSuchAlgorithmException;
 import java.security.cert.CertificateEncodingException;
 import java.security.cert.X509Certificate;
+import java.security.interfaces.RSAPrivateKey;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Base64;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
@@ -51,24 +74,6 @@ import se.leap.bitmaskclient.testutils.BackendMockResponses.BackendMockProvider;
 import se.leap.bitmaskclient.testutils.matchers.BundleMatcher;
 import se.leap.bitmaskclient.tor.TorStatusObservable;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyBoolean;
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
-import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-import static org.powermock.api.mockito.PowerMockito.mockStatic;
-import static se.leap.bitmaskclient.base.models.Constants.PROVIDER_PRIVATE_KEY;
-import static se.leap.bitmaskclient.base.models.Constants.PROVIDER_VPN_CERTIFICATE;
-import static se.leap.bitmaskclient.base.utils.FileHelper.createFile;
-import static se.leap.bitmaskclient.base.utils.PreferenceHelper.getEipDefinitionFromPreferences;
-import static se.leap.bitmaskclient.base.utils.PreferenceHelper.getFromPersistedProvider;
-
 /**
  * Created by cyberta on 29.01.18.
  */
@@ -408,6 +413,10 @@ public class MockHelper {
         when(createFile(any(File.class), anyString())).thenReturn(mockedFile);
     }
 
+    public static void mockBase64() {
+        mockStatic(android.util.Base64.class);
+        when(android.util.Base64.encodeToString(any(), anyInt())).thenAnswer(invocation -> Arrays.toString(Base64.getEncoder().encode((byte[]) invocation.getArguments()[0])));
+    }
     public static void mockConfigHelper(String mockedFingerprint) throws CertificateEncodingException, NoSuchAlgorithmException {
         mockStatic(ConfigHelper.class);
         when(ConfigHelper.getFingerprintFromCertificate(any(X509Certificate.class), anyString())).thenReturn(mockedFingerprint);
@@ -417,6 +426,32 @@ public class MockHelper {
         when(ConfigHelper.timezoneDistance(anyInt(), anyInt())).thenCallRealMethod();
         when(ConfigHelper.isIPv4(anyString())).thenCallRealMethod();
         when(ConfigHelper.isDefaultBitmask()).thenReturn(true);
+        when(ConfigHelper.parseRsaKeyFromString(anyString())).thenReturn(new RSAPrivateKey() {
+            @Override
+            public BigInteger getPrivateExponent() {
+                return BigInteger.TEN;
+            }
+
+            @Override
+            public String getAlgorithm() {
+                return "RSA";
+            }
+
+            @Override
+            public String getFormat() {
+                return null;
+            }
+
+            @Override
+            public byte[] getEncoded() {
+                return new byte[0];
+            }
+
+            @Override
+            public BigInteger getModulus() {
+                return BigInteger.ONE;
+            }
+        });
     }
 
     public static void mockPreferenceHelper(final Provider providerFromPrefs) {
diff --git a/app/src/test/resources/v4/riseup.net.cert b/app/src/test/resources/v4/riseup.net.cert
new file mode 100644
index 00000000..b689c033
--- /dev/null
+++ b/app/src/test/resources/v4/riseup.net.cert
@@ -0,0 +1,54 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----
+MIIEmzCCAoOgAwIBAgIQfhZuQF/HQWNj4bY/2E0R1zANBgkqhkiG9w0BAQsFADB1
+MRgwFgYDVQQKDA9SaXNldXAgTmV0d29ya3MxGzAZBgNVBAsMEmh0dHBzOi8vcmlz
+ZXVwLm5ldDE8MDoGA1UEAwwzUmlzZXVwIE5ldHdvcmtzIFJvb3QgQ0EgKGNsaWVu
+dCBjZXJ0aWZpY2F0ZXMgb25seSEpMB4XDTIyMDQxNzAwMDAwMFoXDTIyMDcxNzAw
+MDAwMFowLTErMCkGA1UEAwwiVU5MSU1JVEVEN2ZsNjdmcmZ6NnF3aWs2eG95emht
+bzV2eTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAL17zhgSXjWX875C
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+ofNaauxgjLGi9fwtsVpTjhx+vs5Y3Sx76/wjsFTriiFEdfciCKM3AWgqd5rwwjAB
+/nBdLiz8P3H7OC3tIGqbTd593+YxZxcRLN3w15wIFD+0D78ZuVpeTDNhwTSnMDzS
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+DtWj2FMCAwEAAaNvMG0wHQYDVR0OBBYEFASbEXiXvCseE07xGzDXVzZqRWYkMAsG
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+8UYbewU1Cm2rN2Y1xXNxAFz9wNqLjGdhuExdfxE+4/Y2uh40yC2rhiJLiSrsdfCU
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+x83mS5Iu6vRQIBFN6wfsxxUWOh9oSnivcWBF5IO7a71nuiEEaZpG1tSsQTYk9ENW
+Sx5cP4NnF7uZyMhYASWpVRBsx0gz6cmGWTIO8v9CX4D8HMK7uKeJkMenmwiwnhkI
++H+9U8sHCX0UGUZqiJshM7ySf7lhHI+UgrE2qCR0GFoRfP9Yz6tsJ0bNKBUkl6UH
+BmXtH1Z7QVSfbkheNA3LNaFB2Gz20+s1kF6N0VGE1DQCsgM2gkciEhYAz13OBT70
+j6PPargWi51B/hsg9b3LE44dk052/vVnklnJ+rjdgrrmwIlN4xyEbc851knLOqxn
+7Xjnl1Qx4sJkm06E+AuKy0OXy2f/mIOiTmA0jlXtYPSV6rYxtUzJeOlqwsu3ImNg
+x3DRSmjZfW1BOCSqLvlJyKeFKxwJlWFGsKk7uBonwA==
+-----END CERTIFICATE-----
\ No newline at end of file