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delete corrupted tokencache #4

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Merged
merged 2 commits into from
Nov 21, 2014
Merged

delete corrupted tokencache #4

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4606dea
delete corrupted tokencache
yugangw-msft Nov 20, 2014
1e53a65
avoid test flakeness caused by static field
yugangw-msft Nov 20, 2014
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14 changes: 14 additions & 0 deletions src/Common/Commands.Common.Test/Common/ProfileCmdltsTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -149,6 +149,20 @@ public void ClearAzureProfileClearsTokenCache()
Assert.Equal(0, tokenCache.ReadItems().Count());
}

[Fact]
public void DeleteCorruptedTokenCache()
{
//setup
string testFileName = @"c:\foobar\TokenCache.dat";
ProfileClient.DataStore.WriteFile(testFileName, new byte[] { 0, 1 });

//Act
ProtectedFileTokenCache tokenCache = new ProtectedFileTokenCache(testFileName);

//Assert
Assert.False(ProfileClient.DataStore.FileExists(testFileName));
}

[Fact]
public void SetAzureSubscriptionAddsSubscriptionWithCertificate()
{
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32 changes: 28 additions & 4 deletions src/Common/Commands.Common/Authentication/ProtectedFileTokenCache.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -44,22 +44,39 @@ public static ProtectedFileTokenCache Instance
// Initializes the cache against a local file.
// If the file is already present, it loads its content in the ADAL cache
private ProtectedFileTokenCache()
{
Initialize(CacheFileName);
}

private void Initialize(string fileName)
{
AfterAccess = AfterAccessNotification;
BeforeAccess = BeforeAccessNotification;
lock (fileLock)
{
if (ProfileClient.DataStore.FileExists(CacheFileName))
if (ProfileClient.DataStore.FileExists(fileName))
{
var existingData = ProfileClient.DataStore.ReadFileAsBytes(CacheFileName);
var existingData = ProfileClient.DataStore.ReadFileAsBytes(fileName);
if (existingData != null)
{
Deserialize(ProtectedData.Unprotect(existingData, null, DataProtectionScope.CurrentUser));
try
{
Deserialize(ProtectedData.Unprotect(existingData, null, DataProtectionScope.CurrentUser));
}
catch (CryptographicException)
{
ProfileClient.DataStore.DeleteFile(fileName);
}
}
}
}
}

public ProtectedFileTokenCache(string cacheFile)
{
Initialize(cacheFile);
}

// Empties the persistent store.
public override void Clear()
{
Expand All @@ -81,7 +98,14 @@ void BeforeAccessNotification(TokenCacheNotificationArgs args)
var existingData = ProfileClient.DataStore.ReadFileAsBytes(CacheFileName);
if (existingData != null)
{
Deserialize(ProtectedData.Unprotect(existingData, null, DataProtectionScope.CurrentUser));
try
{
Deserialize(ProtectedData.Unprotect(existingData, null, DataProtectionScope.CurrentUser));
}
catch (CryptographicException)
{
ProfileClient.DataStore.DeleteFile(CacheFileName);
}
}
}
}
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