Files
grafana/pkg/tsdb/azuremonitor/aztokenprovider/middleware.go
T
Sergey Kostrukov c1963024ec Infra: Azure authentication in HttpClientProvider (#36932)
* Azure middleware in HttpClientProxy

* Azure authentication under feature flag

* Minor fixes

* Add prefixes to not clash with JsonData

* Return error if JsonData cannot be parsed

* Return original string if URL invalid

* Tests for datasource_cache
2021-07-22 21:43:10 +01:00

28 lines
937 B
Go

package aztokenprovider
import (
"fmt"
"net/http"
"github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
)
const authenticationMiddlewareName = "AzureAuthentication"
func AuthMiddleware(tokenProvider AzureTokenProvider, scopes []string) httpclient.Middleware {
return httpclient.NamedMiddlewareFunc(authenticationMiddlewareName, func(opts httpclient.Options, next http.RoundTripper) http.RoundTripper {
return ApplyAuth(tokenProvider, scopes, next)
})
}
func ApplyAuth(tokenProvider AzureTokenProvider, scopes []string, next http.RoundTripper) http.RoundTripper {
return httpclient.RoundTripperFunc(func(req *http.Request) (*http.Response, error) {
token, err := tokenProvider.GetAccessToken(req.Context(), scopes)
if err != nil {
return nil, fmt.Errorf("failed to retrieve Azure access token: %w", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
return next.RoundTrip(req)
})
}