Custom HTTP Client TLS transport for STSWebIdentity (#612)

Co-authored-by: Daniel Valdivia <hola@danielvaldivia.com>

Author: Alevsk

pkg/auth/idp/oauth2/provider.go

@@ -91,9 +91,10 @@ type Provider struct {
 	//   often available via site-specific packages, such as
 	//   google.Endpoint or github.Endpoint.
 	// - Scopes specifies optional requested permissions.
-	ClientID     string
-	oauth2Config Configuration
-	oidcProvider *oidc.Provider
+	ClientID       string
+	oauth2Config   Configuration
+	oidcProvider   *oidc.Provider
+	provHTTPClient *http.Client
 }
 
 // derivedKey is the key used to compute the HMAC for signing the oauth state parameter
@@ -103,8 +104,9 @@ var derivedKey = pbkdf2.Key([]byte(getPassphraseForIdpHmac()), []byte(getSaltFor
 // NewOauth2ProviderClient instantiates a new oauth2 client using the configured credentials
 // it returns a *Provider object that contains the necessary configuration to initiate an
 // oauth2 authentication flow
-func NewOauth2ProviderClient(ctx context.Context, scopes []string) (*Provider, error) {
-	provider, err := oidc.NewProvider(ctx, GetIdpURL())
+func NewOauth2ProviderClient(ctx context.Context, scopes []string, httpClient *http.Client) (*Provider, error) {
+	customCtx := oidc.ClientContext(ctx, httpClient)
+	provider, err := oidc.NewProvider(customCtx, GetIdpURL())
 	if err != nil {
 		return nil, err
 	}
@@ -122,6 +124,7 @@ func NewOauth2ProviderClient(ctx context.Context, scopes []string) (*Provider, e
 	}
 	client.oidcProvider = provider
 	client.ClientID = GetIdpClientID()
+	client.provHTTPClient = httpClient
 
 	return client, nil
 }
@@ -172,10 +175,11 @@ func (client *Provider) VerifyIdentity(ctx context.Context, code, state string)
 		}, nil
 	}
 	stsEndpoint := GetSTSEndpoint()
-	sts, err := credentials.NewSTSWebIdentity(stsEndpoint, getWebTokenExpiry)
-	if err != nil {
-		return nil, err
-	}
+	sts := credentials.New(&credentials.STSWebIdentity{
+		Client:              client.provHTTPClient,
+		STSEndpoint:         stsEndpoint,
+		GetWebIDTokenExpiry: getWebTokenExpiry,
+	})
 	return sts, nil
 }
 

restapi/user_login.go

@@ -187,7 +187,7 @@ func getLoginDetailsResponse() (*models.LoginDetails, *models.Error) {
 	if oauth2.IsIdpEnabled() {
 		loginStrategy = models.LoginDetailsLoginStrategyRedirect
 		// initialize new oauth2 client
-		oauth2Client, err := oauth2.NewOauth2ProviderClient(ctx, nil)
+		oauth2Client, err := oauth2.NewOauth2ProviderClient(ctx, nil, GetConsoleSTSClient())
 		if err != nil {
 			return nil, prepareError(err)
 		}
@@ -235,7 +235,7 @@ func getLoginOauth2AuthResponse(lr *models.LoginOauth2AuthRequest) (*models.Logi
 		return loginResponse, nil
 	} else if oauth2.IsIdpEnabled() {
 		// initialize new oauth2 client
-		oauth2Client, err := oauth2.NewOauth2ProviderClient(ctx, nil)
+		oauth2Client, err := oauth2.NewOauth2ProviderClient(ctx, nil, GetConsoleSTSClient())
 		if err != nil {
 			return nil, prepareError(err)
 		}