Fixed variable and updated config handler

pkg/handlers/config.go

@@ -17,15 +17,67 @@ limitations under the License.
 package handlers
 
 import (
+	"fmt"
 	"net/http"
+	"strings"
 
 	"github.com/gin-gonic/gin"
 	"github.com/grycap/oscar/v2/pkg/types"
+	"github.com/grycap/oscar/v2/pkg/utils/auth"
 )
 
+type configForUser struct {
+	Cfg           *types.Config        `json:"config"`
+	MinIOProvider *types.MinIOProvider `json:"minio_provider"`
+}
+
 // MakeConfigHandler makes a handler for getting server's configuration
 func MakeConfigHandler(cfg *types.Config) gin.HandlerFunc {
 	return func(c *gin.Context) {
-		c.JSON(http.StatusOK, cfg)
+		// Return configForUser
+		var conf configForUser
+		minIOProvider := cfg.MinIOProvider
+		authHeader := c.GetHeader("Authorization")
+		if len(strings.Split(authHeader, "Bearer")) > 0 {
+			conf = configForUser{cfg, minIOProvider}
+		} else {
+
+			// Get MinIO credentials from k8s secret for user
+
+			uidOrigin, uidExists := c.Get("uidOrigin")
+			mcUntyped, mcExists := c.Get("multitenancyConfig")
+
+			if !mcExists {
+				c.String(http.StatusInternalServerError, "Missing multitenancy config")
+			}
+			if !uidExists {
+				c.String(http.StatusInternalServerError, "Missing EGI user uid")
+			}
+
+			mc, mcParsed := mcUntyped.(*auth.MultitenancyConfig)
+			uid, uidParsed := uidOrigin.(string)
+
+			if !mcParsed {
+				c.String(http.StatusInternalServerError, fmt.Sprintf("Error parsing multitenancy config: %v", mcParsed))
+				return
+			}
+
+			if !uidParsed {
+				c.String(http.StatusInternalServerError, fmt.Sprintf("Error parsing uid origin: %v", uidParsed))
+				return
+			}
+
+			ak, sk, err := mc.GetUserCredentials(uid)
+			if err != nil {
+				c.String(http.StatusInternalServerError, "Error getting credentials for MinIO user: ", uid)
+			}
+
+			minIOProvider.AccessKey = ak
+			minIOProvider.SecretKey = sk
+
+			conf = configForUser{cfg, minIOProvider}
+		}
+
+		c.JSON(http.StatusOK, conf)
 	}
 }

pkg/utils/auth/auth.go

@@ -49,8 +49,7 @@ func CustomAuth(cfg *types.Config, kubeClientset *kubernetes.Clientset) gin.Hand
 	}
 
 	// Slice to add default user to all users group on MinIO
-	var oscarUser []string
-	oscarUser[0] = "console"
+	var oscarUser = []string{"console"}
 
 	minIOAdminClient.CreateAllUsersGroup()
 	minIOAdminClient.AddUserToGroup(oscarUser, "all_users_group")