Swift

Microsoft Teams OAuth2 Client Credentials Authentication

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

func chilkatTest() {
    var success: Bool = false

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

    let http = CkoHttp()!

    // 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.  
    let jsonOAuthCC = CkoJsonObject()!

    // --------------------------------------------------------------------------------------------------------
    // 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.
    jsonOAuthCC.updateString(jsonPath: "client_id", value: "e1cd2318-xxxx-4916-bfd6-xxxxxxxxxxxx")
    jsonOAuthCC.updateString(jsonPath: "client_secret", value: "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.
    jsonOAuthCC.updateString(jsonPath: "scope", value: "https://graph.microsoft.com/.default")

    // The token endpoint includes your tenant ID.  Use your tenant ID (not the tenant ID shown here).
    jsonOAuthCC.updateString(jsonPath: "token_endpoint", value: "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,
    http.authToken = jsonOAuthCC.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')"
    //       }
    //    ]
    // }

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

    json.emitCompact = false
    print("\(json.emit()!)")

    http.setRequestHeader(name: "Content-type", value: "application/json")

    let resp = CkoHttpResponse()!
    success = http.httpJson(verb: "POST", url: "https://graph.microsoft.com/v1.0/teams", json: json, contentType: "application/json", response: resp)
    if success == false {
        print("\(http.lastErrorText!)")
        return
    }

    // A successful response is indicated by a 202 response status code and an empty response body.
    print("Response Status Code: \(resp.statusCode.intValue)")
    print("Response Body:")
    print("\(resp.bodyStr!)")

    if resp.statusCode.intValue >= 400 {
        print("Response Header:")
        print("\(resp.header!)")
        print("Failed.")
    }


}