Lianja

Microsoft Teams OAuth2 Client Credentials Authentication

See more Microsoft Teams Examples

Demonstrates how to authenticate with OAuth 2.0 using the client credentials grant type. Lianja

llSuccess = .F.

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loHttp = createobject("CkHttp")

// Provide the information needed for Chilkat to automatically fetch the OAuth2.0 
// access token as needed.
// This is the new "Integrated OAuth2 Client Credentials" feature introduced in Chilkat v9.5.0.96.  
loJsonOAuthCC = createobject("CkJsonObject")

// --------------------------------------------------------------------------------------------------------
// You'll need to have registered an app in Azure beforehand.
// 
// Note: Creating a Team requires the following Application permissions:
// Team.Create, Teamwork.Migrate.All, Group.ReadWrite.All**, Directory.ReadWrite.All**
// 
// See How to Create an Azure App Registration for OAuth 2.0 Client Credentials
// --------------------------------------------------------------------------------------------------------

// Use the values from your App Registration in Azure.
loJsonOAuthCC.UpdateString("client_id","e1cd2318-xxxx-4916-bfd6-xxxxxxxxxxxx")
loJsonOAuthCC.UpdateString("client_secret","K.d8Q~RoJxxxxvCj_u_xxxxxxxxxxxxxxxxxxxxx")

// You'll always use this scope for client credentials, because the allowed actions
// are determined by the App Permissions defined when you registered the app in Azure.
loJsonOAuthCC.UpdateString("scope","https://graph.microsoft.com/.default")

// The token endpoint includes your tenant ID.  Use your tenant ID (not the tenant ID shown here).
loJsonOAuthCC.UpdateString("token_endpoint","https://login.microsoftonline.com/112d7ed6-71bf-4eba-a866-738364321bfc/oauth2/v2.0/token")

// Provide the OAuth2 information. Chilkat will use this information to automatically fetch the OAuth2 access token as needed,
loHttp.AuthToken = loJsonOAuthCC.Emit()

// ------------------------------------------------------------------------------
// To create a Microsoft Team, we want to send an HTTP request like the following:
// 
// Note: The following is the minimal JSON for a request using Applicaton permissions (i.e. the access token retrieved using the client credentials grant).
// 
// POST https://graph.microsoft.com/v1.0/teams
// Content-Type: application/json
// 
// {
//    "template@odata.bind":"https://graph.microsoft.com/v1.0/teamsTemplates('standard')",
//    "displayName":"My Sample Team",
//    "description":"My Sample Team�s Description",
//    "members":[
//       {
//          "@odata.type":"#microsoft.graph.aadUserConversationMember",
//          "roles":[
//             "owner"
//          ],
//          "user@odata.bind":"https://graph.microsoft.com/v1.0/users('0040b377-61d8-43db-94f5-81374122dc7e')"
//       }
//    ]
// }

loJson = createobject("CkJsonObject")
loJson.UpdateString('"template@odata.bind"',"https://graph.microsoft.com/v1.0/teamsTemplates('standard')")
loJson.UpdateString("displayName","My Sample Team")
loJson.UpdateString("description","My Sample Team�s Description")
loJson.UpdateString('members[0]."@odata.type"',"#microsoft.graph.aadUserConversationMember")
loJson.UpdateString("members[0].roles[0]","owner")
loJson.UpdateString('members[0]."user@odata.bind"',"https://graph.microsoft.com/v1.0/users('4ee732c3-322e-4a6b-b729-2fd1eb5c6004')")

loJson.EmitCompact = .F.
? loJson.Emit()

loHttp.SetRequestHeader("Content-type","application/json")

loResp = createobject("CkHttpResponse")
llSuccess = loHttp.HttpJson("POST","https://graph.microsoft.com/v1.0/teams",loJson,"application/json",loResp)
if (llSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loJsonOAuthCC
    release loJson
    release loResp
    return
endif

// A successful response is indicated by a 202 response status code and an empty response body.
? "Response Status Code: " + str(loResp.StatusCode)
? "Response Body:"
? loResp.BodyStr

if (loResp.StatusCode >= 400) then
    ? "Response Header:"
    ? loResp.Header
    ? "Failed."
endif



release loHttp
release loJsonOAuthCC
release loJson
release loResp