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(Lianja) 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. loSocket = createobject("CkSocket") // Make a TLS connection to login.microsoftonline.com, waiting at most 5000 milliseconds. llSuccess = loSocket.Connect("login.microsoftonline.com",443,.T.,5000) if (llSuccess <> .T.) then ? loSocket.LastErrorText release loSocket return endif // Create an Azure AD auth object, and provide the required information for authorization. loAzureAD = createobject("CkAuthAzureAD") loAzureAD.ClientId = "AZURE_AD_CLIENT_ID" loAzureAD.ClientSecret = "AZURE_AD_CLIENT_SECRET" loAzureAD.TenantId = "AZURE_TENANT_ID" loAzureAD.Resource = "https://outlook.office365.com/" // Retrieve the access token using the TLS connection to login.microsoftonline.com llSuccess = loAzureAD.ObtainAccessToken(loSocket) if (llSuccess <> .T.) then ? loSocket.LastErrorText release loSocket release loAzureAD return endif // Show the access token, and then save it to a JSON file // for future use (such as with a REST method call). ? "Azure AD Access Token = " + loAzureAD.AccessToken loJson = createobject("CkJsonObject") loJson.AppendString("accessToken",loAzureAD.AccessToken) // Save our access token to a file. It will be used in subsequent REST API calls. loFac = createobject("CkFileAccess") loFac.WriteEntireTextFile("qa_data/tokens/azureAD_office365.json",loJson.Emit(),"utf-8",.F.) // 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) loSa = createobject("CkStringArray") loSa.SplitAndAppend(loJson.StringOf("accessToken"),".") loSbIdToken = createobject("CkStringBuilder") // The 2nd string is at index 1. loSbIdToken.Append(loSa.GetString(1)) loSbIdToken.Decode("base64","utf-8") loJsonIdToken = createobject("CkJsonObject") loJsonIdToken.LoadSb(loSbIdToken) loJsonIdToken.EmitCompact = .F. ? loJsonIdToken.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: lcAud = loJsonIdToken.StringOf("aud") lcIss = loJsonIdToken.StringOf("iss") lnIat = loJsonIdToken.IntOf("iat") lnNbf = loJsonIdToken.IntOf("nbf") lnExp = loJsonIdToken.IntOf("exp") lcAio = loJsonIdToken.StringOf("aio") lcApp_displayname = loJsonIdToken.StringOf("app_displayname") lcAppid = loJsonIdToken.StringOf("appid") lcAppidacr = loJsonIdToken.StringOf("appidacr") lcIdp = loJsonIdToken.StringOf("idp") lcOid = loJsonIdToken.StringOf("oid") lcSid = loJsonIdToken.StringOf("sid") lcS_sub = loJsonIdToken.StringOf("sub") lcTid = loJsonIdToken.StringOf("tid") lcUti = loJsonIdToken.StringOf("uti") lcVer = loJsonIdToken.StringOf("ver") release loSocket release loAzureAD release loJson release loFac release loSa release loSbIdToken release loJsonIdToken |
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