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Using .NET CLR Types in Azure API Policy
How to use .NET CLR Types in Azure API Policy?
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By default, Azure imports many basic .NET CLR (Common Language Runtime) types into the API policy execution environment. Imported .NET CLR types can be used in any "@(...)" expressions or "@{...}" expression blocks.
For example, the following "@{...}" expression block retrieves the request header "Authorization" value, performs Base64 decoding on the value, then returns it in UTF8 format:
@{ string value; if (context.Request.Headers.TryGetValue("Authorization", out value)) { return Encoding.UTF8.GetString(Convert.FromBase64String(value)); } else { return null; } }
Two .NET CLR types are used in the above expression block: "System.Encoding" and "System.Convert".
Here is list of all Imported .NET CLR types:
Newtonsoft.Json.Linq.* System.Collections.Generic.* System.Convert System.DateTime System.DateTimeKind System.DateTimeOffset System.Decimal System.Double System.Encoding System.Guid System.IEnumerable System.IEnumerator System.Int16 System.Int32 System.Int64 System.Linq.Enumerable System.Math System.MidpointRounding System.Nullable System.Random System.SByte System.Security.Cryptography.* System.Single System.String System.StringSplitOptions System.Text.* System.TimeSpan System.Tuple System.UInt16 System.UInt32 System.UInt64 System.Uri System.Xml.Linq.* System.Xml.XmlNodeType
For more information on Imported .NET CLR types, see API Management policy expressions Website.
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2018-01-24, 3003🔥, 0💬
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