forked from wgroeneveld/go-jamming
81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
package app
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import (
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"brainbaking.com/go-jamming/db"
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"brainbaking.com/go-jamming/rest"
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"github.com/goddtriffin/helmet"
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"net/http"
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"strconv"
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"strings"
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"brainbaking.com/go-jamming/common"
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"github.com/gorilla/mux"
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"github.com/rs/zerolog/log"
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)
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type server struct {
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router *mux.Router
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conf *common.Config
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repo db.MentionRepo
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}
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func (s *server) domainAndTokenOnly(h http.HandlerFunc) http.HandlerFunc {
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return s.domainOnly(s.tokenOnly(h))
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}
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func (s *server) domainOnly(h http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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if !s.conf.IsAnAllowedDomain(vars["domain"]) {
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rest.Unauthorized(w)
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return
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}
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h(w, r)
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}
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}
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func (s *server) tokenOnly(h http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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if vars["token"] != s.conf.Token {
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rest.Unauthorized(w)
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return
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}
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h(w, r)
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}
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}
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func ipFrom(r *http.Request) string {
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realIp := r.Header.Get("X-Real-IP")
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forwardedFor := r.Header.Get("X-Forwarded-For")
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if realIp != "" { // in case of proxy. is IP itself
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return realIp
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}
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if forwardedFor != "" { // in case of proxy. Could be: clientip, proxy1, proxy2, ...
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return strings.Split(forwardedFor, ",")[0]
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}
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if strings.Contains(r.RemoteAddr, ":") { // in case of 127.0.0.1:12345
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return strings.Split(r.RemoteAddr, ":")[0]
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}
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return r.RemoteAddr
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}
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func Start() {
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r := mux.NewRouter()
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config := common.Configure()
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repo := db.NewMentionRepo(config)
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helmet := helmet.Default()
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server := &server{router: r, conf: config, repo: repo}
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server.routes()
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http.Handle("/", r)
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r.Use(LoggingMiddleware)
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r.Use(helmet.Secure)
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r.Use(NewRateLimiter(5, 10).Middleware)
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log.Info().Int("port", server.conf.Port).Msg("Serving...")
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log.Fatal().Err(http.ListenAndServe(":"+strconv.Itoa(server.conf.Port), nil))
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}
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