Fixed png rendering

grafana @ 64f98d24

-Subproject commit 984ece646f831678c5a8f32e4a69f54fdad914c4
+Subproject commit 64f98d2409152a2bfa34b6f032d21e6bb18b97f8

pkg/api/render.go

@@ -12,7 +12,7 @@ import (
 func RenderToPng(c *middleware.Context) {
 	accountId := c.UsingAccountId
 	queryReader := util.NewUrlQueryReader(c.Req.URL)
-	queryParams := "?render&accountId=" + strconv.FormatInt(accountId, 10) + "&" + c.Req.URL.RawQuery
+	queryParams := "?render=1&accountId=" + strconv.FormatInt(accountId, 10) + "&" + c.Req.URL.RawQuery
 
 	renderOpts := &renderer.RenderOpts{
 		Url:    c.Params("*") + queryParams,

pkg/middleware/auth.go

 package middleware
 
 import (
-	"strconv"
 	"strings"
 
 	"github.com/Unknwon/macaron"
@@ -22,12 +21,11 @@ func getRequestAccountId(c *Context) int64 {
 		return accountId.(int64)
 	}
 
-	// localhost render query
-	urlQuery := c.Req.URL.Query()
-	if len(urlQuery["render"]) > 0 {
-		accId, _ := strconv.ParseInt(urlQuery["accountId"][0], 10, 64)
-		c.Session.Set("accountId", accId)
-		accountId = accId
+	// TODO: figure out a way to secure this
+	if c.Query("render") == "1" {
+		accountId := c.QueryInt64("accountId")
+		c.Session.Set("accountId", accountId)
+		return accountId
 	}
 
 	return 0