├── appsettings.json ├── Models ├── GraphUser.cs └── AppSettings.cs ├── readme.md ├── Extensions ├── GraphHttp.cs └── ApplicationIdentity.cs ├── SimpleGraphIdentity.csproj ├── SimpleGraphIdentity.sln ├── Program.cs └── .gitignore /appsettings.json: -------------------------------------------------------------------------------- 1 | { 2 | "AppSettings": { 3 | "ClientId": "3d04380f-2420-4eb9-ba3b-28f07e1ef5f4", 4 | "TenantId": "common" 5 | } 6 | } -------------------------------------------------------------------------------- /Models/GraphUser.cs: -------------------------------------------------------------------------------- 1 | namespace SimpleGraphIdentity.Models 2 | { 3 | internal class GraphUser 4 | { 5 | public string? Id { get; set; } 6 | public string? DisplayName { get; set; } 7 | public string? Mail { get; set; } 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | ### Graph Identity Example 2 | 3 | A simple approach to getting Delegated Authentication Tokens and using them to call Graph Endpoints. 4 | 5 | Just replace the clientId varaible with your App Registration Client ID and start building. 6 | 7 | Supports token caching, so users don't need to log in everytime the application starts. -------------------------------------------------------------------------------- /Models/AppSettings.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Text; 5 | using System.Threading.Tasks; 6 | 7 | namespace SimpleGraphIdentity.Models 8 | { 9 | internal class AppSettings 10 | { 11 | public string ClientId { get; set; } 12 | public string TenantId { get; set; } 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /Extensions/GraphHttp.cs: -------------------------------------------------------------------------------- 1 | namespace SimpleGraphIdentity.Extensions; 2 | 3 | //We need to implement IDisposable as we have a disposable property 'HttpClient' 4 | internal class GraphClient : IDisposable 5 | { 6 | private string Token { get; set; } 7 | public HttpClient Client { get; } 8 | 9 | public GraphClient(string token) 10 | { 11 | //TODO: add in some cool logic to help with the HTTP client integrate with Graph :D 12 | Token = token; 13 | Client = new HttpClient(); 14 | Client.DefaultRequestHeaders.Authorization = new("Bearer", Token); 15 | } 16 | 17 | public void Dispose() 18 | { 19 | Token = ""; 20 | Client.Dispose(); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /SimpleGraphIdentity.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Exe 5 | net7.0 6 | enable 7 | enable 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | Always 21 | 22 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /SimpleGraphIdentity.sln: -------------------------------------------------------------------------------- 1 | 2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 17 4 | VisualStudioVersion = 17.5.001.0 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SimpleGraphIdentity", "SimpleGraphIdentity.csproj", "{573AFE3C-277C-42F2-BB71-D83F89F46205}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|Any CPU = Debug|Any CPU 11 | Release|Any CPU = Release|Any CPU 12 | EndGlobalSection 13 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 14 | {573AFE3C-277C-42F2-BB71-D83F89F46205}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 15 | {573AFE3C-277C-42F2-BB71-D83F89F46205}.Debug|Any CPU.Build.0 = Debug|Any CPU 16 | {573AFE3C-277C-42F2-BB71-D83F89F46205}.Release|Any CPU.ActiveCfg = Release|Any CPU 17 | {573AFE3C-277C-42F2-BB71-D83F89F46205}.Release|Any CPU.Build.0 = Release|Any CPU 18 | EndGlobalSection 19 | GlobalSection(SolutionProperties) = preSolution 20 | HideSolutionNode = FALSE 21 | EndGlobalSection 22 | GlobalSection(ExtensibilityGlobals) = postSolution 23 | SolutionGuid = {FB88B47D-3EB1-4C23-8BA9-0E57F4803AED} 24 | EndGlobalSection 25 | EndGlobal 26 | -------------------------------------------------------------------------------- /Program.cs: -------------------------------------------------------------------------------- 1 | using Microsoft.Extensions.Configuration; 2 | using SimpleGraphIdentity.Extensions; 3 | using SimpleGraphIdentity.Models; 4 | using System.Text.Json; 5 | 6 | //Build config 7 | var configuration = new ConfigurationBuilder() 8 | .AddJsonFile("appsettings.json"); 9 | var config = configuration.Build(); 10 | var settings = config.GetSection("AppSettings").Get(); 11 | 12 | 13 | // Default Scope 14 | string[] scopes = { "https://graph.microsoft.com/.default" }; 15 | string tenantId = settings.TenantId; 16 | string clientId = settings.ClientId; 17 | 18 | // Create new Token 19 | Token token = new(tenantId, clientId, scopes); 20 | string? accessToken = await token.GetToken(); 21 | 22 | if (accessToken != null) 23 | { 24 | // Create new GraphClient 25 | 26 | using (var graphClient = new GraphClient(accessToken)) 27 | { 28 | HttpResponseMessage response = await graphClient.Client.GetAsync("https://graph.microsoft.com/v1.0/me"); 29 | if (response == null || !response.IsSuccessStatusCode) 30 | throw new Exception("Pass in error message..."); 31 | 32 | string json = await response.Content.ReadAsStringAsync(); 33 | GraphUser graphUser = JsonSerializer.Deserialize(json); 34 | 35 | Console.WriteLine($"Id: {graphUser.Id}"); 36 | Console.WriteLine($"DisplayName: {graphUser.DisplayName}"); 37 | Console.WriteLine($"Mail: {graphUser.Mail}"); 38 | } 39 | } 40 | else 41 | { 42 | Console.WriteLine("Failed to get access token"); 43 | } -------------------------------------------------------------------------------- /Extensions/ApplicationIdentity.cs: -------------------------------------------------------------------------------- 1 | using Microsoft.Identity.Client; 2 | using Microsoft.Identity.Client.Extensions.Msal; 3 | 4 | namespace SimpleGraphIdentity.Extensions; 5 | 6 | class Token 7 | { 8 | public string TenantId { get; set; } 9 | public string ClientId { get; set; } 10 | public string[] Scopes { get; set; } 11 | public string CacheName { get; set; } 12 | public string CachePath { get; set; } 13 | public IPublicClientApplication Application { get; set; } 14 | 15 | public Token(string tenantId, string clientId, string[] scopes) 16 | { 17 | TenantId = tenantId; 18 | ClientId = clientId; 19 | Scopes = scopes; 20 | CacheName = "userCache"; 21 | CachePath = ".\\cache"; 22 | Application = PublicClientApplicationBuilder 23 | .Create(ClientId) 24 | .WithAuthority(AzureCloudInstance.AzurePublic, TenantId) 25 | .WithRedirectUri("http://localhost") 26 | .Build(); 27 | 28 | // Create the Cache directory, file and helper 29 | StorageCreationProperties storageProperties = new StorageCreationPropertiesBuilder(CacheName, CachePath).Build(); 30 | 31 | MsalCacheHelper cacheHelper = MsalCacheHelper.CreateAsync(storageProperties).Result; 32 | cacheHelper.RegisterCache(Application.UserTokenCache); 33 | } 34 | 35 | public async Task GetToken() 36 | { 37 | //TODO: Check if the token is in the cache first :) 38 | 39 | var accounts = await Application.GetAccountsAsync(); 40 | 41 | AuthenticationResult? result = null; 42 | try 43 | { 44 | result = await Application.AcquireTokenSilent(Scopes, accounts.FirstOrDefault()).ExecuteAsync(); 45 | } 46 | catch (MsalUiRequiredException ex) 47 | { 48 | Console.WriteLine($"MsalUiRequiredException: {ex.Message}"); 49 | 50 | try 51 | { 52 | result = await Application.AcquireTokenInteractive(Scopes).ExecuteAsync(); 53 | } 54 | catch (MsalException msalex) 55 | { 56 | Console.WriteLine($"Error Acquiring Token:{Environment.NewLine}{msalex}"); 57 | } 58 | } 59 | catch (Exception ex) 60 | { 61 | Console.WriteLine($"Error Acquiring Token Silently:{Environment.NewLine}{ex}"); 62 | return null; 63 | } 64 | 65 | if (result != null) 66 | { 67 | return result.AccessToken; 68 | } 69 | else return null; 70 | } 71 | } -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Ww][Ii][Nn]32/ 27 | [Aa][Rr][Mm]/ 28 | [Aa][Rr][Mm]64/ 29 | bld/ 30 | [Bb]in/ 31 | [Oo]bj/ 32 | [Ll]og/ 33 | [Ll]ogs/ 34 | 35 | # Visual Studio 2015/2017 cache/options directory 36 | .vs/ 37 | # Uncomment if you have tasks that create the project's static files in wwwroot 38 | #wwwroot/ 39 | 40 | # Visual Studio 2017 auto generated files 41 | Generated\ Files/ 42 | 43 | # MSTest test Results 44 | [Tt]est[Rr]esult*/ 45 | [Bb]uild[Ll]og.* 46 | 47 | # NUnit 48 | *.VisualState.xml 49 | TestResult.xml 50 | nunit-*.xml 51 | 52 | # Build Results of an ATL Project 53 | [Dd]ebugPS/ 54 | [Rr]eleasePS/ 55 | dlldata.c 56 | 57 | # Benchmark Results 58 | BenchmarkDotNet.Artifacts/ 59 | 60 | # .NET 61 | project.lock.json 62 | project.fragment.lock.json 63 | artifacts/ 64 | 65 | # Tye 66 | .tye/ 67 | 68 | # ASP.NET Scaffolding 69 | ScaffoldingReadMe.txt 70 | 71 | # StyleCop 72 | StyleCopReport.xml 73 | 74 | # Files built by Visual Studio 75 | *_i.c 76 | *_p.c 77 | *_h.h 78 | *.ilk 79 | *.meta 80 | *.obj 81 | *.iobj 82 | *.pch 83 | *.pdb 84 | *.ipdb 85 | *.pgc 86 | *.pgd 87 | *.rsp 88 | *.sbr 89 | *.tlb 90 | *.tli 91 | *.tlh 92 | *.tmp 93 | *.tmp_proj 94 | *_wpftmp.csproj 95 | *.log 96 | *.tlog 97 | *.vspscc 98 | *.vssscc 99 | .builds 100 | *.pidb 101 | *.svclog 102 | *.scc 103 | 104 | # Chutzpah Test files 105 | _Chutzpah* 106 | 107 | # Visual C++ cache files 108 | ipch/ 109 | *.aps 110 | *.ncb 111 | *.opendb 112 | *.opensdf 113 | *.sdf 114 | *.cachefile 115 | *.VC.db 116 | *.VC.VC.opendb 117 | 118 | # Visual Studio profiler 119 | *.psess 120 | *.vsp 121 | *.vspx 122 | *.sap 123 | 124 | # Visual Studio Trace Files 125 | *.e2e 126 | 127 | # TFS 2012 Local Workspace 128 | $tf/ 129 | 130 | # Guidance Automation Toolkit 131 | *.gpState 132 | 133 | # ReSharper is a .NET coding add-in 134 | _ReSharper*/ 135 | *.[Rr]e[Ss]harper 136 | *.DotSettings.user 137 | 138 | # TeamCity is a build add-in 139 | _TeamCity* 140 | 141 | # DotCover is a Code Coverage Tool 142 | *.dotCover 143 | 144 | # AxoCover is a Code Coverage Tool 145 | .axoCover/* 146 | !.axoCover/settings.json 147 | 148 | # Coverlet is a free, cross platform Code Coverage Tool 149 | coverage*.json 150 | coverage*.xml 151 | coverage*.info 152 | 153 | # Visual Studio code coverage results 154 | *.coverage 155 | *.coveragexml 156 | 157 | # NCrunch 158 | _NCrunch_* 159 | .*crunch*.local.xml 160 | nCrunchTemp_* 161 | 162 | # MightyMoose 163 | *.mm.* 164 | AutoTest.Net/ 165 | 166 | # Web workbench (sass) 167 | .sass-cache/ 168 | 169 | # Installshield output folder 170 | [Ee]xpress/ 171 | 172 | # DocProject is a documentation generator add-in 173 | DocProject/buildhelp/ 174 | DocProject/Help/*.HxT 175 | DocProject/Help/*.HxC 176 | DocProject/Help/*.hhc 177 | DocProject/Help/*.hhk 178 | DocProject/Help/*.hhp 179 | DocProject/Help/Html2 180 | DocProject/Help/html 181 | 182 | # Click-Once directory 183 | publish/ 184 | 185 | # Publish Web Output 186 | *.[Pp]ublish.xml 187 | *.azurePubxml 188 | # Note: Comment the next line if you want to checkin your web deploy settings, 189 | # but database connection strings (with potential passwords) will be unencrypted 190 | *.pubxml 191 | *.publishproj 192 | 193 | # Microsoft Azure Web App publish settings. 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