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‎ApplicationInsights.RedactSensitiveInformation/ApplicationInsights.RedactSensitiveInformation/ApplicationInsights.RedactSensitiveInformation.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.ApplicationInsights" Version="2.21.0" />
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<PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="2.21.0" />
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<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
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</ItemGroup>
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</Project>

‎ApplicationInsights.RedactSensitiveInformation/ApplicationInsights.RedactSensitiveInformation/ApplicationInsights.RedactSensitiveInformation.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.5.33530.505
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ApplicationInsights.RedactSensitiveInformation", "ApplicationInsights.RedactSensitiveInformation.csproj", "{9D050C42-82AF-435D-9B6B-F100738B19D8}"
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EndProject
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Global
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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{9D050C42-82AF-435D-9B6B-F100738B19D8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{9D050C42-82AF-435D-9B6B-F100738B19D8}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{9D050C42-82AF-435D-9B6B-F100738B19D8}.Release|Any CPU.Build.0 = Release|Any CPU
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HideSolutionNode = FALSE
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SolutionGuid = {A9217409-DA3A-49F2-9C6C-B5517E73837E}
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EndGlobalSection
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EndGlobal

‎ApplicationInsights.RedactSensitiveInformation/ApplicationInsights.RedactSensitiveInformation/Program.cs

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// Necessary using statements.
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using ApplicationInsights.RedactSensitiveInformation;
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using Microsoft.ApplicationInsights;
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using Microsoft.ApplicationInsights.Extensibility;
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using Microsoft.ApplicationInsights.WorkerService;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Logging.ApplicationInsights;
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// DEMO ONLY: Don't put credentials in code - use Azure Key Vault, or applicable protected configuration services.
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// I am using the connection string in code for clarity and avoiding unnecessary logic that distracts from the focus of the demo.
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const string connectionString = "InstrumentationKey=<GUID>;IngestionEndpoint=https://<endpoint>.in.applicationinsights.azure.com/;LiveEndpoint=https://<endpoint>.livediagnostics.monitor.azure.com/";
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#region Wire-up
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//
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// Wire-up.
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//
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IServiceCollection services = new ServiceCollection();
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// Add ApplicationInsightsLoggerProvider logger.
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services.AddLogging(loggingBuilder => loggingBuilder.AddFilter<ApplicationInsightsLoggerProvider>("Category", LogLevel.Information));
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// Add Application Insights logic (ApplicationInsightsTelemetryWorkerService)
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services.AddApplicationInsightsTelemetryWorkerService((ApplicationInsightsServiceOptions options) => options.ConnectionString = connectionString);
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// NOTE: Injecting the SensitivityRedaction initializer.
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services.AddSingleton<ITelemetryInitializer, SensitivityRedactionTelemetryInitializer>();
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IServiceProvider serviceProvider = services.BuildServiceProvider();
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#endregion
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//
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// NOTE: Program logic to demonstrate
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//
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// Get the app insights ILogger from the service provider.
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ILogger<Program> logger = serviceProvider.GetRequiredService<ILogger<Program>>();
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// Sending a few log messages. Some include PII, some does not.
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logger.LogWarning("This is a log message without PII.");
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logger.LogWarning("This is a log message with an e-mail: [email protected]");
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logger.LogWarning("This is another message with [email protected], and [email protected]");
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logger.LogWarning("Users access restrictions changed for: [email protected];[email protected], new access level is 'Reader' on resource '123'");
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// For demo purposes in our console app.
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// Used to directly flush the buffer before we quit the app.
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var telemetryClient = serviceProvider.GetRequiredService<TelemetryClient>();
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telemetryClient.Flush();
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Task.Delay(5000).Wait();
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‎ApplicationInsights.RedactSensitiveInformation/ApplicationInsights.RedactSensitiveInformation/SensitivityRedactionTelemetryInitializer.cs

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using Microsoft.ApplicationInsights.Channel;
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using Microsoft.ApplicationInsights.DataContracts;
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using Microsoft.ApplicationInsights.Extensibility;
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using System.Text.RegularExpressions;
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namespace ApplicationInsights.RedactSensitiveInformation
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{
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/// <summary>
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/// Redacts standardized sensitive information from the trace messages.
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/// </summary>
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internal class SensitivityRedactionTelemetryInitializer : ITelemetryInitializer
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{
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public void Initialize(ITelemetry t)
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{
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var traceTelemetry = t as TraceTelemetry;
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if (traceTelemetry != null)
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{
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// Use Regex to replace any e-mail address with a replacement string.
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traceTelemetry.Message = Regex.Replace(traceTelemetry.Message, @"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*", "[PII REDACTED]");
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// If we don't remove this CustomDimension, the telemetry message will still contain the PII in the "OriginalFormat" property.
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traceTelemetry.Properties.Remove("OriginalFormat");
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}
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}
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}
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}

‎MicrosoftGraphEmail.Read/Program.cs

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using Azure.Identity;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Graph;
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namespace TZ.GraphReadEmailDemo
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{
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class Program
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{
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// A simple demonstration of how to read e-mails from an Inbox using the Microsoft Graph
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// The code example uses the Mail.Read permission to access the current user's inbox.
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// Read the blog post: https://zimmergren.net/reading-emails-with-microsoft-graph-using-net/
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static void Main(string[] args)
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{
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/*
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* IMPORTANT:
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* This is demo code only.
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* Authentication should preferably be done using managed identity, without any credentials in code or config.
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* */
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// Set up the config to load the user secrets
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var config = new ConfigurationBuilder()
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.SetBasePath(AppDomain.CurrentDomain.BaseDirectory)
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.AddUserSecrets<Program>()
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.Build();
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// Define the credentials.
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// Note: In your implementations of this code, please consider using managed identities, and avoid credentials in code or config.
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var credentials = new ClientSecretCredential(
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config["GraphMail:TenantId"],
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config["GraphMail:ClientId"],
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config["GraphMail:ClientSecret"],
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new TokenCredentialOptions { AuthorityHost = AzureAuthorityHosts.AzurePublicCloud });
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// Define a new Microsoft Graph service client.
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GraphServiceClient _graphServiceClient = new GraphServiceClient(credentials);
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// Get the e-mails for a specific user.
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var messages = _graphServiceClient.Users["[email protected]"].Messages.Request().GetAsync().Result;
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foreach (var message in messages)
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{
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Console.WriteLine($"{message.ReceivedDateTime?.ToString("yyyy-MM-dd HH:mm:ss")} from {message.From.EmailAddress.Address}");
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Console.WriteLine($"{message.Subject}");
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Console.WriteLine("---");
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}
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}
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}
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}

‎MicrosoftGraphEmail.Read/TZ.GraphReadEmailDemo.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<UserSecretsId>d5f6b2cb-8ebf-4359-8e25-1173da4d7b7b</UserSecretsId>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Azure.Identity" Version="1.8.0" />
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<PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="6.0.1" />
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<PackageReference Include="Microsoft.Graph" Version="4.49.0" />
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</ItemGroup>
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</Project>

‎MicrosoftGraphEmail.Read/TZ.GraphReadEmailDemo.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.4.33122.133
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TZ.GraphReadEmailDemo", "TZ.GraphReadEmailDemo.csproj", "{A4F017E4-C11C-4EC0-879A-3718F7087AF6}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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{A4F017E4-C11C-4EC0-879A-3718F7087AF6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{A4F017E4-C11C-4EC0-879A-3718F7087AF6}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{A4F017E4-C11C-4EC0-879A-3718F7087AF6}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{A4F017E4-C11C-4EC0-879A-3718F7087AF6}.Release|Any CPU.Build.0 = Release|Any CPU
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HideSolutionNode = FALSE
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SolutionGuid = {2EE7D368-25CF-428A-B618-4A6EE06EE980}
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EndGlobalSection
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EndGlobal

‎README.md

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- Read more: https://zimmergren.net/sending-e-mails-using-microsoft-graph-using-dotnet/
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## MicrosoftGraphEmail.Read
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This folder contains a .NET 6 app for reading e-mails using the Microsoft Graph APIs.
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- Read more: https://zimmergren.net/reading-emails-with-microsoft-graph-using-net/
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## AzureResourceGraph
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In this folder, you'll find examples of Azure Resource Graph queries.

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