194 lines
3.8 KiB
Go
194 lines
3.8 KiB
Go
package snap
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import (
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"github.com/gorilla/mux"
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"html/template"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"time"
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"path"
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"git.thirdmartini.com/pub/fancylog"
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"git.thirdmartini.com/pub/snap/auth"
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)
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type Server struct {
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address string
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path string
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theme string
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debug bool
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auth auth.AuthManager
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router *mux.Router
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cachedTmpl *template.Template
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}
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type SnapBaseContent struct {
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Theme string
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Content interface{}
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}
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func (s *Server) makeContext( auth *auth.AuthData, w http.ResponseWriter, r *http.Request ) (*Context) {
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c := &Context{
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r: r,
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w: w,
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srv: s,
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auth: auth,
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vars: mux.Vars(r),
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}
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return c
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}
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func (s *Server) plain(f func(c *Context)) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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c := s.makeContext( nil, w,r)
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f(c)
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}
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}
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func (s *Server) authenticated(auth auth.AuthManager, handle func(c *Context)) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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rec, ok := auth.DoAuth( w, r )
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if !ok {
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http.Error(w, "Not authorized", 401)
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} else {
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c := s.makeContext( rec, w,r)
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handle(c)
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}
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}
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}
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func (s *Server) wrapper(handle func(c *Context)) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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c := s.makeContext( nil, w,r)
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handle(c)
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}
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}
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func (s *Server) loadTemplates() *template.Template {
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tmpl := template.New("")
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err := filepath.Walk(path.Join(s.path, "templates"), func(path string, info os.FileInfo, err error) error {
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if strings.Contains(path, ".html") {
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_, err = tmpl.ParseFiles(path)
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if err != nil {
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log.Println(err)
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}
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}
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return err
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})
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if err != nil {
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log.Fatal(err)
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}
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return tmpl
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}
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func (s *Server) getTemplates() *template.Template {
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if s.debug {
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return s.loadTemplates()
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}
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if s.cachedTmpl == nil {
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s.cachedTmpl = s.loadTemplates()
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}
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return s.cachedTmpl
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}
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func (s *Server) render(w http.ResponseWriter, tmpl string, content interface{} ) {
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s.getTemplates().ExecuteTemplate(w, tmpl, content)
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}
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func (s *Server) reply(w http.ResponseWriter, msg string) {
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w.Write([]byte(msg))
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}
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func (s *Server) renderError(w http.ResponseWriter, code int, msg string) {
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w.WriteHeader(code)
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w.Write([]byte(msg))
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}
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func (s *Server) HandleFuncAuthenticated(path string, f func(c *Context)) *mux.Route {
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if s.auth == nil {
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return nil
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}
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return s.router.HandleFunc(path, s.authenticated(s.auth, f))
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}
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func (s *Server) HandleFuncCustomAuth(auth auth.AuthManager, path string, f func(c *Context)) *mux.Route {
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if auth == nil {
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log.Warn("Nil auth on", path)
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return nil
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}
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return s.router.HandleFunc(path, s.authenticated(auth, f))
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}
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func (s *Server) HandleFunc(path string, f func(c *Context)) error {
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s.router.HandleFunc(path, s.wrapper(f))
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return nil
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}
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func (s *Server) SetDebug(enable bool) {
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s.debug = enable
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}
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func (s *Server) EnableStatus(path string) {
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}
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func (s *Server) SetTheme(theme string) {
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s.theme = theme
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}
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func (s *Server) ServeTLS(keyPath string, certPath string) error {
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srv := &http.Server{
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Handler: s.router,
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Addr: s.address,
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// Good practice: enforce timeouts for servers you create!
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WriteTimeout: 120 * time.Second,
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ReadTimeout: 120 * time.Second,
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}
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return srv.ListenAndServeTLS(certPath,keyPath)
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}
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// Serve serve content forever
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func (s *Server) Serve() error {
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srv := &http.Server{
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Handler: s.router,
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Addr: s.address,
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// Good practice: enforce timeouts for servers you create!
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WriteTimeout: 120 * time.Second,
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ReadTimeout: 120 * time.Second,
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}
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return srv.ListenAndServe()
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}
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func New(address string, path string, auth auth.AuthManager) *Server {
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s := Server{
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router: mux.NewRouter(),
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auth: auth,
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address: address,
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path: path,
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theme: "/static/css/default.css",
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}
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s.router.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir(s.path+"static/"))))
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return &s
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}
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