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PankajRawat333Pankaj Rawatankushjain358
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Add AWS AppSyncEvent (#1939)
* Initial changes for AppSyncEvent * Added AppSyncEvent class, and respective test cases * Updated README * Update readme * Update Arguments type in event * Update schema * fix review comment * Added Lambda and oidc auth type * Update readme * Added changefile * Added AuthorizerEvent and Result * update changefile and readme * Update JsonProperty attribute * Test case updated * Added new tests, updated readme and incorporated review comments * Updated README * Updated README * fixed code review comments * fixed formatting * Revert warning and remove condition * Added .net8 directive * Remove warning * fixed review comments * fix formatting * Refactor .NET8 and 6 test * Moved AppSync tests to a new prpject * Reverted EventTests file --------- Co-authored-by: Pankaj Rawat <pankajrw@amazon.com> Co-authored-by: Ankush Jain <ankushzn@amazon.com>
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‎.autover/autover.json‎

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@@ -143,6 +143,10 @@
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{
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"Name": "Amazon.Lambda.TestTool",
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"Path": "Tools/LambdaTestTool-v2/src/Amazon.Lambda.TestTool/Amazon.Lambda.TestTool.csproj"
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},
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{
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"Name": "Amazon.Lambda.AppSyncEvents",
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"Path": "Libraries/src/Amazon.Lambda.AppSyncEvents/Amazon.Lambda.AppSyncEvents.csproj"
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}
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],
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"UseCommitsForChangelog": false,

‎.autover/changes/78ee1265-f50d-434a-b25c-fcb8e9e7a26a.json‎

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{
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"Projects": [
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{
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"Name": "Amazon.Lambda.AppSyncEvents",
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"Type": "Major",
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"ChangelogMessages": [
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"Added AppSyncResolverEvent to support direct lambda resolver"
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]
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}
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]
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}

‎CONTRIBUTING.md‎

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@@ -105,6 +105,7 @@ The available projects are:
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* Amazon.Lambda.SQSEvents
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* Amazon.Lambda.TestUtilities
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* Amazon.Lambda.TestTool.BlazorTester
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* Amazon.Lambda.AppSyncEvents
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The possible increment types are:
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* Patch

‎Libraries/Libraries.sln‎

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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Amazon.Lambda.MQEvents", "src\Amazon.Lambda.MQEvents\Amazon.Lambda.MQEvents.csproj", "{BF85932E-2DFF-41CD-8090-A672468B8FBB}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Amazon.Lambda.LexV2Events", "src\Amazon.Lambda.LexV2Events\Amazon.Lambda.LexV2Events.csproj", "{3C6AABF5-0372-41E0-874F-DF18ECCC7FB6}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CustomRuntimeAspNetCoreMinimalApiCustomSerializerTest", "test\Amazon.Lambda.RuntimeSupport.Tests\CustomRuntimeAspNetCoreMinimalApiCustomSerializerTest\CustomRuntimeAspNetCoreMinimalApiCustomSerializerTest.csproj", "{0BD83939-458C-4EF5-8663-7098AD1200F2}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SnapshotRestore.Registry", "src\SnapshotRestore.Registry\SnapshotRestore.Registry.csproj", "{7261A438-8C1D-47AD-98B0-7678F72E4382}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SnapshotRestore.Registry", "src\SnapshotRestore.Registry\SnapshotRestore.Registry.csproj", "{7261A438-8C1D-47AD-98B0-7678F72E4382}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SnapshotRestore.Registry.Tests", "test\SnapshotRestore.Registry.Tests\SnapshotRestore.Registry.Tests.csproj", "{A699E183-D0D4-4F26-A0A7-88DA5607F455}"
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Amazon.Lambda.AppSyncEvents", "src\Amazon.Lambda.AppSyncEvents\Amazon.Lambda.AppSyncEvents.csproj", "{99F39E49-1FD0-4EF5-BF4B-8F2473FB8198}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EventsTests.NET8", "test\EventsTests.NET8\EventsTests.NET8.csproj", "{1FB22337-5D88-4CE7-ADFF-FFD89204F0E9}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Amazon.Lambda.DynamoDBEvents.SDK.Convertor", "src\Amazon.Lambda.DynamoDBEvents.SDK.Convertor\Amazon.Lambda.DynamoDBEvents.SDK.Convertor.csproj", "{3400F4E9-BA12-4D3D-9BA1-2798AA8D0AFC}"
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EndProject
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{1FB22337-5D88-4CE7-ADFF-FFD89204F0E9}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{1FB22337-5D88-4CE7-ADFF-FFD89204F0E9}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{1FB22337-5D88-4CE7-ADFF-FFD89204F0E9}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
@@ -456,11 +468,14 @@ Global
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{99F39E49-1FD0-4EF5-BF4B-8F2473FB8198} = {AAB54E74-20B1-42ED-BC3D-CE9F7BC7FD12}
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{1FB22337-5D88-4CE7-ADFF-FFD89204F0E9} = {1DE4EE60-45BA-4EF7-BE00-B9EB861E4C69}
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GlobalSection(ExtensibilityGlobals) = postSolution
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test\EventsTests.Shared\EventsTests.Shared.projitems*{1fb22337-5d88-4ce7-adff-ffd89204f0e9}*SharedItemsImports = 5
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‎Libraries/src/Amazon.Lambda.AppSyncEvents/Amazon.Lambda.AppSyncEvents.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<Import Project="..\..\..\buildtools\common.props" />
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<PropertyGroup>
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<Description>Amazon Lambda .NET support - AWS AppSync package.</Description>
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<TargetFrameworks>net8.0</TargetFrameworks>
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<AssemblyTitle>Amazon.Lambda.AppSyncEvents</AssemblyTitle>
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<Version>0.0.1</Version>
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<AssemblyName>Amazon.Lambda.AppSyncEvents</AssemblyName>
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<PackageId>Amazon.Lambda.AppSyncEvents</PackageId>
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<PackageTags>AWS;Amazon;Lambda</PackageTags>
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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<PropertyGroup>
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<WarningsAsErrors>IL2026,IL2067,IL2075</WarningsAsErrors>
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<IsTrimmable>true</IsTrimmable>
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<EnableTrimAnalyzer>true</EnableTrimAnalyzer>
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</PropertyGroup>
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</Project>

‎Libraries/src/Amazon.Lambda.AppSyncEvents/AppSyncAuthorizerEvent.cs‎

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namespace Amazon.Lambda.AppSyncEvents;
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/// <summary>
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/// Represents an AWS AppSync authorization event that is sent to a Lambda authorizer
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/// for evaluating access permissions to the GraphQL API.
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/// </summary>
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public class AppSyncAuthorizerEvent
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{
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/// <summary>
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/// Gets or sets the authorization token received from the client request.
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/// This token is used to make authorization decisions.
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/// </summary>
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public string AuthorizationToken { get; set; }
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/// <summary>
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/// Gets or sets the headers from the client request.
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/// Contains key-value pairs of HTTP header names and their values.
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/// </summary>
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public Dictionary<string, string> RequestHeaders { get; set; }
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/// <summary>
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/// Gets or sets the context information about the AppSync request.
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/// Contains metadata about the API and the GraphQL operation being executed.
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/// </summary>
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public AppSyncRequestContext RequestContext { get; set; }
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}
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/// <summary>
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/// Contains contextual information about the AppSync request being authorized.
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/// This class provides details about the API, account, and GraphQL operation.
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/// </summary>
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public class AppSyncRequestContext
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{
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/// <summary>
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/// Gets or sets the unique identifier of the AppSync API.
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/// </summary>
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public string ApiId { get; set; }
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/// <summary>
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/// Gets or sets the AWS account ID where the AppSync API is deployed.
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/// </summary>
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public string AccountId { get; set; }
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/// <summary>
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/// Gets or sets the unique identifier for this specific request.
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/// </summary>
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public string RequestId { get; set; }
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/// <summary>
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/// Gets or sets the GraphQL query string containing the operation to be executed.
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/// </summary>
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public string QueryString { get; set; }
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/// <summary>
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/// Gets or sets the name of the GraphQL operation to be executed.
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/// This corresponds to the operation name in the GraphQL query.
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/// </summary>
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public string OperationName { get; set; }
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/// <summary>
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/// Gets or sets the variables passed to the GraphQL operation.
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/// Contains key-value pairs of variable names and their values.
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/// </summary>
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public Dictionary<string, object> Variables { get; set; }
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}

‎Libraries/src/Amazon.Lambda.AppSyncEvents/AppSyncAuthorizerResult.cs‎

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using System.Text.Json.Serialization;
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namespace Amazon.Lambda.AppSyncEvents;
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/// <summary>
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/// Represents the authorization result returned by a Lambda authorizer to AWS AppSync
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/// containing authorization decisions and optional context for the GraphQL API.
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/// </summary>
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public class AppSyncAuthorizerResult
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{
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/// <summary>
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/// Indicates if the request is authorized
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/// </summary>
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[JsonPropertyName("isAuthorized")]
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public bool IsAuthorized { get; set; }
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/// <summary>
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/// Custom context to pass to resolvers, only supports key-value pairs.
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/// </summary>
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[JsonPropertyName("resolverContext")]
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public Dictionary<string, string> ResolverContext { get; set; }
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/// <summary>
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/// List of fields that are denied access
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/// </summary>
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[JsonPropertyName("deniedFields")]
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public IEnumerable<string> DeniedFields { get; set; }
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/// <summary>
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/// The number of seconds that the response should be cached for
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/// </summary>
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[JsonPropertyName("ttlOverride")]
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public int? TtlOverride { get; set; }
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}

‎Libraries/src/Amazon.Lambda.AppSyncEvents/AppSyncCognitoIdentity.cs‎

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namespace Amazon.Lambda.AppSyncEvents;
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/// <summary>
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/// Represents Amazon Cognito User Pools authorization identity for AppSync
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/// </summary>
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public class AppSyncCognitoIdentity
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{
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/// <summary>
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/// The source IP address of the caller received by AWS AppSync
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/// </summary>
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public List<string> SourceIp { get; set; }
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/// <summary>
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/// The username of the authenticated user
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/// </summary>
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public string Username { get; set; }
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/// <summary>
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/// The UUID of the authenticated user
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/// </summary>
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public string Sub { get; set; }
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/// <summary>
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/// The claims that the user has
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/// </summary>
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public Dictionary<string, object> Claims { get; set; }
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/// <summary>
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/// The default authorization strategy for this caller (ALLOW or DENY)
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/// </summary>
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public string DefaultAuthStrategy { get; set; }
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/// <summary>
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/// List of OIDC groups
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/// </summary>
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public List<string> Groups { get; set; }
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/// <summary>
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/// The token issuer
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/// </summary>
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public string Issuer { get; set; }
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}

‎Libraries/src/Amazon.Lambda.AppSyncEvents/AppSyncIamIdentity.cs‎

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namespace Amazon.Lambda.AppSyncEvents;
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/// <summary>
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/// Represents AWS IAM authorization identity for AppSync
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/// </summary>
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public class AppSyncIamIdentity
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{
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/// <summary>
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/// The source IP address of the caller received by AWS AppSync
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/// </summary>
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public List<string> SourceIp { get; set; }
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/// <summary>
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/// The username of the authenticated user (IAM user principal)
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/// </summary>
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public string Username { get; set; }
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/// <summary>
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/// The AWS account ID of the caller
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/// </summary>
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public string AccountId { get; set; }
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/// <summary>
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/// The Amazon Cognito identity pool ID associated with the caller
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/// </summary>
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public string CognitoIdentityPoolId { get; set; }
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/// <summary>
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/// The Amazon Cognito identity ID of the caller
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/// </summary>
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public string CognitoIdentityId { get; set; }
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/// <summary>
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/// The ARN of the IAM user
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/// </summary>
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public string UserArn { get; set; }
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/// <summary>
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/// Either authenticated or unauthenticated based on the identity type
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/// </summary>
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public string CognitoIdentityAuthType { get; set; }
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/// <summary>
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/// A comma separated list of external identity provider information used in obtaining the credentials used to sign the request
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/// </summary>
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public string CognitoIdentityAuthProvider { get; set; }
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}

‎Libraries/src/Amazon.Lambda.AppSyncEvents/AppSyncLambdaIdentity.cs‎

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namespace Amazon.Lambda.AppSyncEvents;
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/// <summary>
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/// Represents AWS Lambda authorization identity for AppSync
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/// </summary>
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public class AppSyncLambdaIdentity
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{
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/// <summary>
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/// Optional context information that will be passed to subsequent resolvers
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/// Can contain user information, claims, or any other contextual data
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/// </summary>
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public Dictionary<string, string> ResolverContext { get; set; }
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}

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