add secureJsonData to appSettings model.

- adds the new column to the DB table.
- data stored in the DB is encrypted
- update appRouteHeaders templates to use the jsonData and
decrypted secureJsonData

pkg/models/app_settings.go

@@ -3,6 +3,9 @@ package models
 import (
 	"errors"
 	"time"
+
+	"github.com/grafana/grafana/pkg/setting"
+	"github.com/grafana/grafana/pkg/util"
 )
 
 var (
@@ -10,25 +13,37 @@ var (
 )
 
 type AppSettings struct {
-	Id       int64
-	AppId    string
-	OrgId    int64
-	Enabled  bool
-	Pinned   bool
-	JsonData map[string]interface{}
+	Id             int64
+	AppId          string
+	OrgId          int64
+	Enabled        bool
+	Pinned         bool
+	JsonData       map[string]interface{}
+	SecureJsonData SecureJsonData
 
 	Created time.Time
 	Updated time.Time
 }
 
+type SecureJsonData map[string][]byte
+
+func (s SecureJsonData) Decrypt() map[string]string {
+	decrypted := make(map[string]string)
+	for key, data := range s {
+		decrypted[key] = string(util.Decrypt(data, setting.SecretKey))
+	}
+	return decrypted
+}
+
 // ----------------------
 // COMMANDS
 
 // Also acts as api DTO
 type UpdateAppSettingsCmd struct {
-	Enabled  bool                   `json:"enabled"`
-	Pinned   bool                   `json:"pinned"`
-	JsonData map[string]interface{} `json:"jsonData"`
+	Enabled        bool                   `json:"enabled"`
+	Pinned         bool                   `json:"pinned"`
+	JsonData       map[string]interface{} `json:"jsonData"`
+	SecureJsonData map[string]string      `json:"secureJsonData"`
 
 	AppId string `json:"-"`
 	OrgId int64  `json:"-"`