--- a/pkg/imports/config.go	Tue Jan 08 12:34:29 2019 +0100
+++ b/pkg/imports/config.go	Tue Jan 08 13:35:44 2019 +0100
@@ -18,11 +18,11 @@
 	"database/sql"
 	"encoding/json"
 	"fmt"
-	"strings"
 
 	"github.com/robfig/cron"
 
 	"gemma.intevation.de/gemma/pkg/auth"
+	"gemma.intevation.de/gemma/pkg/common"
 )
 
 type (
@@ -33,10 +33,6 @@
 	// of the registered import types.
 	ImportKind string
 
-	// ConfigAttributes is a map of optional key/value attributes
-	// of an import configuration.
-	ConfigAttributes map[string]string
-
 	// Config is JSON serialized form of a import configuration.
 	Config struct {
 		// Kind is the import type.
@@ -56,40 +52,23 @@
 		// URL is an optional URL used by the import.
 		URL *string `json:"url"`
 		// Attributes are optional key/value pairs for a configuration.
-		Attributes ConfigAttributes `json:"attributes,omitempty"`
+		Attributes common.Attributes `json:"attributes,omitempty"`
 	}
 
 	// IDConfig is the same as Config with an ID.
 	// Mainly used for server delivered configurations.
 	IDConfig struct {
-		ID         int64            `json:"id"`
-		User       string           `json:"user"`
-		Kind       ImportKind       `json:"kind"`
-		SendEMail  bool             `json:"send-email"`
-		AutoAccept bool             `json:"auto-accept"`
-		Cron       *CronSpec        `json:"cron,omitempty"`
-		URL        *string          `json:"url,omitempty"`
-		Attributes ConfigAttributes `json:"attributes,omitempty"`
+		ID         int64             `json:"id"`
+		User       string            `json:"user"`
+		Kind       ImportKind        `json:"kind"`
+		SendEMail  bool              `json:"send-email"`
+		AutoAccept bool              `json:"auto-accept"`
+		Cron       *CronSpec         `json:"cron,omitempty"`
+		URL        *string           `json:"url,omitempty"`
+		Attributes common.Attributes `json:"attributes,omitempty"`
 	}
 )
 
-// Get fetches a value for given key out of the configuration.
-// If the key was not found the bool component of the return value
-// return false.
-func (ca ConfigAttributes) Get(key string) (string, bool) {
-	if ca == nil {
-		return "", false
-	}
-	value, found := ca[key]
-	return value, found
-}
-
-// Bool returns a bool value for a given key.
-func (ca ConfigAttributes) Bool(key string) bool {
-	s, found := ca.Get(key)
-	return found && strings.ToLower(s) == "true"
-}
-
 // UnmarshalJSON checks if the incoming string
 // is a registered import type.
 func (ik *ImportKind) UnmarshalJSON(data []byte) error {
@@ -174,14 +153,14 @@
 			return err
 		}
 		defer rows.Close()
-		var attributes map[string]string
+		var attributes common.Attributes
 		for rows.Next() {
 			var k, v string
 			if err = rows.Scan(&k, &v); err != nil {
 				return err
 			}
 			if attributes == nil {
-				attributes = map[string]string{}
+				attributes = common.Attributes{}
 			}
 			attributes[k] = v
 		}