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42 lines
1.7 KiB
ReStructuredText
42 lines
1.7 KiB
ReStructuredText
Middleware Injection and Overrides
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==================================
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Warning use with caution. If you are seeing any exceptions or strange behavior in your middleware
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pipeline and you are using any of the following. Remove them and try again!
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When setting up Ocelot in your Startup.cs you can provide some additional middleware
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and override middleware. This is done as follows.
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.. code-block:: csharp
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var configuration = new OcelotPipelineConfiguration
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{
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PreErrorResponderMiddleware = async (ctx, next) =>
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{
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await next.Invoke();
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}
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};
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app.UseOcelot(configuration);
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In the example above the provided function will run before the first piece of Ocelot middleware.
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This allows a user to supply any behaviors they want before and after the Ocelot pipeline has run.
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This means you can break everything so use at your own pleasure!
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The user can set functions against the following.
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* PreErrorResponderMiddleware - Already explained above.
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* PreAuthenticationMiddleware - This allows the user to run pre authentication logic and then call Ocelot's authentication middleware.
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* AuthenticationMiddleware - This overrides Ocelots authentication middleware.
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* PreAuthorizationMiddleware - This allows the user to run pre authorization logic and then call Ocelot's authorization middleware.
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* AuthorizationMiddleware - This overrides Ocelots authorization middleware.
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* PreQueryStringBuilderMiddleware - This allows the user to manipulate the query string on the http request before it is passed to Ocelots request creator.
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Obviously you can just add middleware as normal before the call to app.UseOcelot() It cannot be added
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after as Ocelot does not call the next middleware.
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