mirror of https://github.com/velour/catbase.git
106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
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package web
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import (
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"encoding/json"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"github.com/go-chi/httprate"
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"github.com/rs/zerolog/log"
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"github.com/velour/catbase/config"
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"net/http"
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"strings"
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"time"
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)
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type Web struct {
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config *config.Config
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router *chi.Mux
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httpEndPoints []EndPoint
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}
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type EndPoint struct {
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Name string `json:"name"`
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URL string `json:"url"`
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}
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// GetWebNavigation returns a list of bootstrap-vue <b-nav-item> links
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// The parent <nav> is not included so each page may display it as
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// best fits
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func (ws *Web) GetWebNavigation() []EndPoint {
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endpoints := ws.httpEndPoints
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moreEndpoints := ws.config.GetArray("bot.links", []string{})
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for _, e := range moreEndpoints {
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link := strings.SplitN(e, ":", 2)
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if len(link) != 2 {
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continue
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}
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endpoints = append(endpoints, EndPoint{link[0], link[1]})
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}
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return endpoints
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}
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func (ws *Web) serveRoot(w http.ResponseWriter, r *http.Request) {
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ws.Index("Home", nil).Render(r.Context(), w)
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}
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func (ws *Web) serveNavHTML(w http.ResponseWriter, r *http.Request) {
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currentPage := chi.URLParam(r, "currentPage")
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ws.Nav(currentPage).Render(r.Context(), w)
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}
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func (ws *Web) serveNav(w http.ResponseWriter, r *http.Request) {
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enc := json.NewEncoder(w)
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err := enc.Encode(ws.GetWebNavigation())
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if err != nil {
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jsonErr, _ := json.Marshal(err)
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w.WriteHeader(500)
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w.Write(jsonErr)
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}
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}
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func (ws *Web) setupHTTP() {
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// Make the http logger optional
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// It has never served a purpose in production and with the emojy page, can make a rather noisy log
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if ws.config.GetInt("bot.useLogger", 0) == 1 {
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ws.router.Use(middleware.Logger)
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}
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reqCount := ws.config.GetInt("bot.httprate.requests", 500)
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reqTime := time.Duration(ws.config.GetInt("bot.httprate.seconds", 5))
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if reqCount > 0 && reqTime > 0 {
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ws.router.Use(httprate.LimitByIP(reqCount, reqTime*time.Second))
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}
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ws.router.Use(middleware.RequestID)
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ws.router.Use(middleware.Recoverer)
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ws.router.Use(middleware.StripSlashes)
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ws.router.HandleFunc("/", ws.serveRoot)
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ws.router.HandleFunc("/nav", ws.serveNav)
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ws.router.HandleFunc("/navHTML", ws.serveNavHTML)
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ws.router.HandleFunc("/navHTML/{currentPage}", ws.serveNavHTML)
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}
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func (ws *Web) RegisterWeb(r http.Handler, root string) {
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ws.router.Mount(root, r)
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}
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func (ws *Web) RegisterWebName(r http.Handler, root, name string) {
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ws.httpEndPoints = append(ws.httpEndPoints, EndPoint{name, root})
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ws.router.Mount(root, r)
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}
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func (ws *Web) ListenAndServe(addr string) {
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log.Debug().Msgf("starting web service at %s", addr)
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log.Fatal().Err(http.ListenAndServe(addr, ws.router)).Msg("bot killed")
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}
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func New(config *config.Config) *Web {
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w := &Web{
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config: config,
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router: chi.NewRouter(),
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}
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w.setupHTTP()
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return w
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}
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