1package middleware 2 3import ( 4 "fmt" 5 "strings" 6 7 "github.com/grafana/grafana/pkg/models" 8 "github.com/grafana/grafana/pkg/setting" 9) 10 11// In Grafana v7.0 we changed panel edit & view query parameters. 12// This middleware tries to detect those old url parameters and direct to the new url query params 13func RedirectFromLegacyPanelEditURL(cfg *setting.Cfg) func(c *models.ReqContext) { 14 return func(c *models.ReqContext) { 15 queryParams := c.Req.URL.Query() 16 17 panelID, hasPanelID := queryParams["panelId"] 18 _, hasFullscreen := queryParams["fullscreen"] 19 _, hasEdit := queryParams["edit"] 20 21 if hasPanelID && hasFullscreen { 22 delete(queryParams, "panelId") 23 delete(queryParams, "fullscreen") 24 delete(queryParams, "edit") 25 26 if hasEdit { 27 queryParams["editPanel"] = panelID 28 } else { 29 queryParams["viewPanel"] = panelID 30 } 31 32 newURL := fmt.Sprintf("%s%s?%s", cfg.AppURL, strings.TrimPrefix(c.Req.URL.Path, "/"), queryParams.Encode()) 33 c.Redirect(newURL, 301) 34 } 35 } 36} 37