cc-backend/web/web.go
Jan Eitzinger 87ce4f63d4 Refactor auth module
Separate parts
Add user repository
Add user schema
2023-08-17 10:29:00 +02:00

120 lines
4.0 KiB
Go

// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package web
import (
"embed"
"html/template"
"io/fs"
"net/http"
"strings"
"github.com/ClusterCockpit/cc-backend/internal/config"
"github.com/ClusterCockpit/cc-backend/internal/util"
"github.com/ClusterCockpit/cc-backend/pkg/log"
"github.com/ClusterCockpit/cc-backend/pkg/schema"
)
/// Go's embed is only allowed to embed files in a subdirectory of the embedding package ([see here](https://github.com/golang/go/issues/46056)).
//go:embed frontend/public/*
var frontendFiles embed.FS
func ServeFiles() http.Handler {
publicFiles, err := fs.Sub(frontendFiles, "frontend/public")
if err != nil {
log.Fatalf("WEB/WEB > cannot find frontend public files")
panic(err)
}
return http.FileServer(http.FS(publicFiles))
}
//go:embed templates/*
var templateFiles embed.FS
var templates map[string]*template.Template = map[string]*template.Template{}
func init() {
base := template.Must(template.ParseFS(templateFiles, "templates/base.tmpl"))
if err := fs.WalkDir(templateFiles, "templates", func(path string, d fs.DirEntry, err error) error {
if err != nil {
return err
}
if d.IsDir() || path == "templates/base.tmpl" {
return nil
}
if path == "templates/login.tmpl" {
if util.CheckFileExists("./var/login.tmpl") {
log.Info("overwrite login.tmpl with local file")
templates[strings.TrimPrefix(path, "templates/")] =
template.Must(template.Must(base.Clone()).ParseFiles("./var/login.tmpl"))
return nil
}
}
if path == "templates/imprint.tmpl" {
if util.CheckFileExists("./var/imprint.tmpl") {
log.Info("overwrite imprint.tmpl with local file")
templates[strings.TrimPrefix(path, "templates/")] =
template.Must(template.Must(base.Clone()).ParseFiles("./var/imprint.tmpl"))
return nil
}
}
if path == "templates/privacy.tmpl" {
if util.CheckFileExists("./var/privacy.tmpl") {
log.Info("overwrite privacy.tmpl with local file")
templates[strings.TrimPrefix(path, "templates/")] =
template.Must(template.Must(base.Clone()).ParseFiles("./var/privacy.tmpl"))
return nil
}
}
templates[strings.TrimPrefix(path, "templates/")] = template.Must(template.Must(base.Clone()).ParseFS(templateFiles, path))
return nil
}); err != nil {
log.Fatalf("WEB/WEB > cannot find frontend template files")
panic(err)
}
_ = base
}
type Build struct {
Version string
Hash string
Buildtime string
}
type Page struct {
Title string // Page title
MsgType string // For generic use in message boxes
Message string // For generic use in message boxes
User schema.User // Information about the currently logged in user (Full User Info)
Roles map[string]schema.Role // Available roles for frontend render checks
Build Build // Latest information about the application
Clusters []schema.ClusterConfig // List of all clusters for use in the Header
FilterPresets map[string]interface{} // For pages with the Filter component, this can be used to set initial filters.
Infos map[string]interface{} // For generic use (e.g. username for /monitoring/user/<id>, job id for /monitoring/job/<id>)
Config map[string]interface{} // UI settings for the currently logged in user (e.g. line width, ...)
}
func RenderTemplate(rw http.ResponseWriter, file string, page *Page) {
t, ok := templates[file]
if !ok {
log.Errorf("WEB/WEB > template '%s' not found", file)
}
if page.Clusters == nil {
for _, c := range config.Keys.Clusters {
page.Clusters = append(page.Clusters, schema.ClusterConfig{Name: c.Name, FilterRanges: c.FilterRanges, MetricDataRepository: nil})
}
}
log.Debugf("Page config : %v\n", page.Config)
if err := t.Execute(rw, page); err != nil {
log.Errorf("Template error: %s", err.Error())
}
}