azure_internal.go

package proxy

import "fmt"

type internalAzureADClaims struct {
	sub      string
	username string
	objectID string
	groups   []string
}

func toInternalAzureADClaims(externalClaims *externalAzureADClaims) (internalAzureADClaims, error) {
	if externalClaims == nil {
		return internalAzureADClaims{}, fmt.Errorf("external claims nil")
	}

	if externalClaims.Subject == nil {
		return internalAzureADClaims{}, fmt.Errorf("unable to find sub claim")
	}
	subject := *externalClaims.Subject

	if externalClaims.ObjectId == nil {
		return internalAzureADClaims{}, fmt.Errorf("unable to find oid claim")
	}
	objectId := *externalClaims.ObjectId

	username := ""
	if externalClaims.PreferredUsername != nil {
		username = *externalClaims.PreferredUsername
	}

	groups := []string{}
	if externalClaims.Groups != nil {
		groups = *externalClaims.Groups
	}

	return internalAzureADClaims{
		sub:      subject,
		username: username,
		objectID: objectId,
		groups:   groups,
	}, nil
}