Prevent double GetObjectData implementation for badly implemented serializable classes#554
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stakx merged 6 commits intocastleproject:masterfrom Jan 20, 2021
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stakx
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Jan 6, 2021
src/Castle.Core/DynamicProxy/Contributors/ClassProxySerializableContributor.cs
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src/Castle.Core/DynamicProxy/Contributors/ClassProxyWithTargetTargetContributor.cs
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jonorossi
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Jan 19, 2021
src/Castle.Core/DynamicProxy/Contributors/ClassProxySerializableContributor.cs
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An overridable `GetObjectData` method inside a `[Serializable]` class
that does not implement `ISerializable` can be handled in two ways:
1. It can be overridden as part of the `ISerializable` implementation
that DynamicProxy provides for `[Serializable]` classes.
2. It can be proxied regularly, like any other overridable method.
Unfortunately, at this time, DynamicProxy does both, i.e. it produces
two `GetObjectData` methods with identical signature in the same proxy
type, which causes verification failure.
The correct behavior is (1): The `ISerializable` implementation should
take precedence over any method proxying, even though proxied methods
are emitted first. (Thus the need for "the trick with methodsToSkip"!)
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jonorossi
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Jan 20, 2021
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Fixes #367. As an additional bonus, gets rid of this:
Core/src/Castle.Core/DynamicProxy/Generators/BaseClassProxyGenerator.cs
Line 112 in 9143de2
See commit messages and code comments for details.