UI: add problem reporting (GitHub discussion/issue) (#23707)

server/http.go

@@ -221,7 +221,7 @@ func (s *HTTPd) RegisterSiteHandlers(site site.API, valueChan chan<- util.Param)
 }
 
 // RegisterSystemHandler provides system level handlers
-func (s *HTTPd) RegisterSystemHandler(site *core.Site, valueChan chan<- util.Param, cache *util.ParamCache, auth auth.Auth, shutdown func()) {
+func (s *HTTPd) RegisterSystemHandler(site *core.Site, valueChan chan<- util.Param, cache *util.ParamCache, auth auth.Auth, shutdown func(), configFile string) {
 	router := s.Server.Handler.(*mux.Router)
 
 	// api
@@ -280,6 +280,7 @@ func (s *HTTPd) RegisterSystemHandler(site *core.Site, valueChan chan<- util.Par
 			"device":             {"GET", "/devices/{class:[a-z]+}/{id:[0-9.]+}", deviceConfigHandler},
 			"devicestatus":       {"GET", "/devices/{class:[a-z]+}/{name:[a-zA-Z0-9_.:-]+}/status", deviceStatusHandler},
 			"dirty":              {"GET", "/dirty", getHandler(ConfigDirty)},
+			"evccyaml":           {"GET", "/evcc.yaml", configYamlHandler(configFile)},
 			"newdevice":          {"POST", "/devices/{class:[a-z]+}", newDeviceHandler},
 			"updatedevice":       {"PUT", "/devices/{class:[a-z]+}/{id:[0-9.]+}", updateDeviceHandler},
 			"deletedevice":       {"DELETE", "/devices/{class:[a-z]+}/{id:[0-9.]+}", deleteDeviceHandler(site)},

server/http_config_yaml_handler.go

@@ -0,0 +1,34 @@
+package server
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+
+	"github.com/evcc-io/evcc/util"
+)
+
+// configYamlHandler returns the redacted evcc.yaml configuration file
+func configYamlHandler(configFilePath string) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		// Use the provided config file path
+		if configFilePath == "" {
+			jsonError(w, http.StatusNotFound, fmt.Errorf("no config file found"))
+			return
+		}
+
+		// Read the config file
+		src, err := os.ReadFile(configFilePath)
+		if err != nil {
+			jsonError(w, http.StatusInternalServerError, fmt.Errorf("failed to read config file: %w", err))
+			return
+		}
+
+		// Redact sensitive information
+		redacted := util.RedactConfigString(string(src))
+
+		// Return the redacted content as plain text
+		w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		w.Write([]byte(redacted))
+	}
+}