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Code Issues Projects Releases Wiki Activity

KeyStoreBackedStorageService email crash reports

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This commit is contained in:
Kyle Spearrin 2017-06-08 11:43:26 -04:00
parent 71ad648331
commit b139eadf0b
1 changed files with 57 additions and 11 deletions
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68
src/Android/Services/KeyStoreBackedStorageService.cs
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@ -12,6 +12,7 @@ using Android.App;
using Plugin.Settings.Abstractions; using Plugin.Settings.Abstractions;
using Java.Util; using Java.Util;
using Javax.Crypto.Spec; using Javax.Crypto.Spec;
using Android.Content;
namespace Bit.Android.Services namespace Bit.Android.Services
{ {
@ -30,17 +31,59 @@ namespace Bit.Android.Services
public KeyStoreBackedStorageService(ISettings settings) public KeyStoreBackedStorageService(ISettings settings)
{ {
_oldAndroid = Build.VERSION.SdkInt < BuildVersionCodes.M; try
_rsaMode = _oldAndroid ? "RSA/ECB/PKCS1Padding" : "RSA/ECB/OAEPWithSHA-1AndMGF1Padding"; {
_oldAndroid = Build.VERSION.SdkInt < BuildVersionCodes.M;
_rsaMode = _oldAndroid ? "RSA/ECB/PKCS1Padding" : "RSA/ECB/OAEPWithSHA-1AndMGF1Padding";
_oldKeyStorageService = new KeyStoreStorageService(new char[] { }); _oldKeyStorageService = new KeyStoreStorageService(new char[] { });
_settings = settings; _settings = settings;
_keyStore = KeyStore.GetInstance(AndroidKeyStore); _keyStore = KeyStore.GetInstance(AndroidKeyStore);
_keyStore.Load(null); _keyStore.Load(null);
GenerateRsaKey(); GenerateRsaKey();
GenerateAesKey(); GenerateAesKey();
}
catch(Exception e)
{
SendEmail(e.Message + "\n\n" + e.StackTrace);
throw;
}
}
private void SendEmail(string text, bool includeSecurityProviders = true)
{
var crashMessage = "bitwarden has crashed. Please send this email to our support team so that we can help " +
"resolve the problem for you. Thank you.";
text = crashMessage + "\n\n =============================================== \n\n" + text;
if(includeSecurityProviders)
{
text += "\n\n";
var providers = Security.GetProviders();
foreach(var provider in providers)
{
text += ("provider: " + provider.Name + "\n");
var services = provider.Services;
foreach(var service in provider.Services)
{
text += ("- alg: " + service.Algorithm + "\n");
}
}
}
text += "\n\n ==================================================== \n\n" + crashMessage;
var emailIntent = new Intent(Intent.ActionSend);
emailIntent.SetType("plain/text");
emailIntent.PutExtra(Intent.ExtraEmail, new String[] { "hello@bitwarden.com" });
emailIntent.PutExtra(Intent.ExtraSubject, "bitwarden Crash Report");
emailIntent.PutExtra(Intent.ExtraText, text);
Application.Context.StartActivity(Intent.CreateChooser(emailIntent, "Send mail..."));
} }
public bool Contains(string key) public bool Contains(string key)
@ -78,10 +121,11 @@ namespace Bit.Android.Services
{ {
return App.Utilities.Crypto.AesCbcDecrypt(new App.Models.CipherString(cs), aesKey); return App.Utilities.Crypto.AesCbcDecrypt(new App.Models.CipherString(cs), aesKey);
} }
catch catch(Exception e)
{ {
Console.WriteLine("Failed to decrypt from secure storage."); Console.WriteLine("Failed to decrypt from secure storage.");
_settings.Remove(formattedKey); _settings.Remove(formattedKey);
SendEmail(e.Message + "\n\n" + e.StackTrace);
return null; return null;
} }
} }
@ -107,9 +151,10 @@ namespace Bit.Android.Services
var cipherString = App.Utilities.Crypto.AesCbcEncrypt(dataBytes, aesKey); var cipherString = App.Utilities.Crypto.AesCbcEncrypt(dataBytes, aesKey);
_settings.AddOrUpdateValue(formattedKey, cipherString.EncryptedString); _settings.AddOrUpdateValue(formattedKey, cipherString.EncryptedString);
} }
catch catch (Exception e)
{ {
Console.WriteLine("Failed to encrypt to secure storage."); Console.WriteLine("Failed to encrypt to secure storage.");
SendEmail(e.Message + "\n\n" + e.StackTrace);
} }
} }
@ -183,11 +228,12 @@ namespace Bit.Android.Services
var key = RsaDecrypt(encKeyBytes); var key = RsaDecrypt(encKeyBytes);
return new App.Models.SymmetricCryptoKey(key); return new App.Models.SymmetricCryptoKey(key);
} }
catch catch (Exception e)
{ {
Console.WriteLine("Cannot get AesKey."); Console.WriteLine("Cannot get AesKey.");
_keyStore.DeleteEntry(KeyAlias); _keyStore.DeleteEntry(KeyAlias);
_settings.Remove(AesKey); _settings.Remove(AesKey);
SendEmail(e.Message + "\n\n" + e.StackTrace);
return null; return null;
} }
} }