// genericHandler returns a handler that responds with generic file for
// the requester.
func genericHandler(srv server.Server) ContextHandler {
fn := func(ctx context.Context, w http.ResponseWriter, req *http.Request) {
group, err := groupFromContext(ctx)
if err != nil || group.Profile == "" {
http.NotFound(w, req)
return
}
profile, err := srv.ProfileGet(ctx, &pb.ProfileGetRequest{Id: group.Profile})
if err != nil || profile.GenericId == "" {
http.NotFound(w, req)
return
}
contents, err := srv.GenericGet(ctx, profile.GenericId)
if err != nil {
http.NotFound(w, req)
return
}
// collect data for rendering
data := make(map[string]interface{})
if group.Metadata != nil {
err = json.Unmarshal(group.Metadata, &data)
if err != nil {
log.Errorf("error unmarshalling metadata: %v", err)
http.NotFound(w, req)
return
}
}
data["query"] = req.URL.RawQuery
for key, value := range group.Selector {
data[strings.ToLower(key)] = value
}
// render the template of a generic config with data
var buf bytes.Buffer
err = renderTemplate(&buf, data, contents)
if err != nil {
http.NotFound(w, req)
return
}
config := buf.String()
http.ServeContent(w, req, "", time.Time{}, strings.NewReader(config))
}
return ContextHandlerFunc(fn)
}
// genericHandler returns a handler that responds with generic file for
// the requester.
func (s *Server) genericHandler(core server.Server) ContextHandler {
fn := func(ctx context.Context, w http.ResponseWriter, req *http.Request) {
group, err := groupFromContext(ctx)
if err != nil {
s.logger.WithFields(logrus.Fields{
"labels": labelsFromRequest(nil, req),
}).Infof("No matching group")
http.NotFound(w, req)
return
}
profile, err := core.ProfileGet(ctx, &pb.ProfileGetRequest{Id: group.Profile})
if err != nil {
s.logger.WithFields(logrus.Fields{
"labels": labelsFromRequest(nil, req),
"group": group.Id,
"group_name": group.Name,
}).Infof("No profile named: %s", group.Profile)
http.NotFound(w, req)
return
}
contents, err := core.GenericGet(ctx, profile.GenericId)
if err != nil {
s.logger.WithFields(logrus.Fields{
"labels": labelsFromRequest(nil, req),
"group": group.Id,
"group_name": group.Name,
"profile": group.Profile,
}).Infof("No generic template named: %s", profile.GenericId)
http.NotFound(w, req)
return
}
// match was successful
s.logger.WithFields(logrus.Fields{
"labels": labelsFromRequest(nil, req),
"group": group.Id,
"profile": profile.Id,
}).Debug("Matched a generic template")
// collect data for rendering
data := make(map[string]interface{})
if group.Metadata != nil {
err = json.Unmarshal(group.Metadata, &data)
if err != nil {
s.logger.Errorf("error unmarshalling metadata: %v", err)
http.NotFound(w, req)
return
}
}
data["query"] = req.URL.RawQuery
for key, value := range group.Selector {
data[strings.ToLower(key)] = value
}
// render the template of a generic config with data
var buf bytes.Buffer
err = s.renderTemplate(&buf, data, contents)
if err != nil {
http.NotFound(w, req)
return
}
config := buf.String()
http.ServeContent(w, req, "", time.Time{}, strings.NewReader(config))
}
return ContextHandlerFunc(fn)
}