microsoftgraph-go-v1-devicecodeflow

devicecodeflow.go

import (
    "context"
    "fmt"
    "log"
    "os"
    "strings"

    "github.com/Azure/azure-sdk-for-go/sdk/azidentity"
    auth "github.com/microsoft/kiota-authentication-azure-go"
    msgraphsdk "github.com/microsoftgraph/msgraph-sdk-go"
)

type GraphHelper struct { 
    deviceCodeCredential *azidentity.DeviceCodeCredential
    client           *msgraphsdk.GraphServiceClient
    graphUserScopes      []string
}

func (g *GraphHelper) InitializeGraphUsingDeviceCodeFlow() error {

    clientId := os.Getenv("CLIENT_ID")
    tenantId := os.Getenv("TENANT_ID")
    scopes := os.Getenv("GRAPH_USER_SCOPES")
    g.graphUserScopes = strings.Split(scopes, ",")

    // Create the device code credential
    credential, err := azidentity.NewDeviceCodeCredential(&azidentity.DeviceCodeCredentialOptions{
        ClientID: clientId,
        TenantID: tenantId,
        UserPrompt: func(ctx context.Context, message azidentity.DeviceCodeMessage) error {
            fmt.Println(message.Message)
            return nil
        },
    })

    if err != nil {
        return err
    }

    g.deviceCodeCredential = credential

    // Create an auth provider using the credential 
    authProvider, err := auth.NewAzureIdentityAuthenticationProviderWithScopes(credential, g.graphUserScopes)

    if err != nil {
        return err
    }

    adapter, err := msgraphsdk.NewGraphRequestAdapter(authProvider)

    if err != nil {
        return err
    }

    // Create a client 
    userClient := msgraphsdk.NewGraphServiceClient(adapter)
    g.client = userClient

    return nil
}