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(Go) Get an Azure AD Access TokenDemonstrates how to obtain an Azure AD access token for authentication using a client ID, client secret, and tenant ID.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. socket := chilkat.NewSocket() // Make a TLS connection to login.microsoftonline.com, waiting at most 5000 milliseconds. success := socket.Connect("login.microsoftonline.com",443,true,5000) if success != true { fmt.Println(socket.LastErrorText()) socket.DisposeSocket() return } // Create an Azure AD auth object, and provide the required information for authorization. azureAD := chilkat.NewAuthAzureAD() azureAD.SetClientId("AZURE_AD_CLIENT_ID") azureAD.SetClientSecret("AZURE_AD_CLIENT_SECRET") azureAD.SetTenantId("AZURE_TENANT_ID") azureAD.SetResource("https://outlook.office365.com/") // Retrieve the access token using the TLS connection to login.microsoftonline.com success = azureAD.ObtainAccessToken(socket) if success != true { fmt.Println(socket.LastErrorText()) socket.DisposeSocket() azureAD.DisposeAuthAzureAD() return } // Show the access token, and then save it to a JSON file // for future use (such as with a REST method call). fmt.Println("Azure AD Access Token = ", azureAD.AccessToken()) json := chilkat.NewJsonObject() json.AppendString("accessToken",azureAD.AccessToken()) // Save our access token to a file. It will be used in subsequent REST API calls. fac := chilkat.NewFileAccess() fac.WriteEntireTextFile("qa_data/tokens/azureAD_office365.json",*json.Emit(),"utf-8",false) // Let's get the id information out of the access token. // Our JSON looks like this: // {"accessToken":"eyJ0eXAiO---TdjT3RjIn0.eyJhdWQiOiJo---jEuMCJ9.CIx0sUT8s---KvzKKUw"} // I used "---" instead of "..." to indicate a large quantity of omitted chars. // The accessToken is a long string composed of 3 base64 strings concatenated with "." chars. // The 1st part is the JOSE header. If you decode from base64, you'll get the JSON JOSE header. // The 2nd part is the id token. When decoded this is the JSON that contains information about the authenticated application. // The 3rd part is binary and does not decode to JSON. // Let's get the information from the 2nd part (the id token) sa := chilkat.NewStringArray() sa.SplitAndAppend(*json.StringOf("accessToken"),".") sbIdToken := chilkat.NewStringBuilder() // The 2nd string is at index 1. sbIdToken.Append(*sa.GetString(1)) sbIdToken.Decode("base64","utf-8") jsonIdToken := chilkat.NewJsonObject() jsonIdToken.LoadSb(sbIdToken) jsonIdToken.SetEmitCompact(false) fmt.Println(*jsonIdToken.Emit()) // We have something like this: // { // "aud": "https://outlook.office365.com/", // "iss": "https://sts.windows.net/6e8ddd66-68d1-43b0-af5c-e31b4b7dd5cd/", // "iat": 1586350465, // "nbf": 1586350465, // "exp": 1586354365, // "aio": "42dgYNjyOtX8ZZB7JLfMFJGeKUmvAA==", // "app_displayname": "ChilkatTest", // "appid": "f125d695-c50e-456e-a578-a486f06d1213", // "appidacr": "1", // "idp": "https://sts.windows.net/6d8ddd66-68d1-43b0-af5c-e31b4b7dd5cd/", // "oid": "7545a2fd-3f0d-48a4-9c58-a1a5700a24b1", // "sid": "ab981252-9378-4d0c-964b-eb2e1451138f", // "sub": "7546a2fc-3f0d-48a4-9c58-a1a5700a24b1", // "tid": "6d8ddd66-68d1-43b0-af5c-e31b4b7dd5cd", // "uti": "huIJBAa1tvGpczwV5S1BAA", // "ver": "1.0" // } // Get the desired information from the JSON: aud := jsonIdToken.StringOf("aud") iss := jsonIdToken.StringOf("iss") iat := jsonIdToken.IntOf("iat") nbf := jsonIdToken.IntOf("nbf") exp := jsonIdToken.IntOf("exp") aio := jsonIdToken.StringOf("aio") app_displayname := jsonIdToken.StringOf("app_displayname") appid := jsonIdToken.StringOf("appid") appidacr := jsonIdToken.StringOf("appidacr") idp := jsonIdToken.StringOf("idp") oid := jsonIdToken.StringOf("oid") sid := jsonIdToken.StringOf("sid") s_sub := jsonIdToken.StringOf("sub") tid := jsonIdToken.StringOf("tid") uti := jsonIdToken.StringOf("uti") ver := jsonIdToken.StringOf("ver") socket.DisposeSocket() azureAD.DisposeAuthAzureAD() json.DisposeJsonObject() fac.DisposeFileAccess() sa.DisposeStringArray() sbIdToken.DisposeStringBuilder() jsonIdToken.DisposeJsonObject() |
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