Serge Bazanski | ec7e0a9 | 2020-11-05 20:47:01 +0100 | [diff] [blame] | 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "flag" |
| 6 | "fmt" |
| 7 | "net/http" |
| 8 | |
| 9 | "code.hackerspace.pl/hscloud/go/mirko" |
| 10 | "github.com/golang/glog" |
| 11 | ) |
| 12 | |
| 13 | var ( |
| 14 | flagListenPublic string |
| 15 | flagDomain string |
| 16 | ) |
| 17 | |
| 18 | type wellKnownHomeserver struct { |
| 19 | BaseURL string `json:"base_url"` |
| 20 | } |
| 21 | |
| 22 | type wellKnown struct { |
| 23 | Homeserver wellKnownHomeserver `json:"m.homeserver"` |
| 24 | Server string `json:"m.server"` |
| 25 | } |
| 26 | |
| 27 | type server struct { |
| 28 | domain string |
| 29 | } |
| 30 | |
| 31 | func (s *server) register(mux *http.ServeMux) { |
| 32 | mux.HandleFunc("/.well-known/matrix/server", s.makeHandler(true)) |
| 33 | mux.HandleFunc("/.well-known/matrix/client", s.makeHandler(false)) |
| 34 | } |
| 35 | |
| 36 | func (s *server) makeHandler(server bool) http.HandlerFunc { |
| 37 | return func(w http.ResponseWriter, r *http.Request) { |
| 38 | w.Header().Set("Content-Type", "application/json") |
| 39 | wk := wellKnown{} |
| 40 | if server { |
| 41 | wk.Server = fmt.Sprintf("%s:443", s.domain) |
| 42 | } else { |
| 43 | wk.Homeserver = wellKnownHomeserver{ |
| 44 | BaseURL: fmt.Sprintf("https://%s", s.domain), |
| 45 | } |
| 46 | } |
| 47 | err := json.NewEncoder(w).Encode(wk) |
| 48 | if err != nil { |
| 49 | glog.Errorf("When handling request: %v", err) |
| 50 | } |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | func main() { |
| 55 | flag.StringVar(&flagListenPublic, "listen_public", "0.0.0.0:8080", "Address to listen at for well-known traffic") |
| 56 | flag.StringVar(&flagDomain, "domain", "matrix.hackerspace.pl", "Address to which clients and servers should connect") |
| 57 | flag.Parse() |
| 58 | |
| 59 | m := mirko.New() |
| 60 | if err := m.Listen(); err != nil { |
| 61 | glog.Exitf("Listen(): %v", err) |
| 62 | } |
| 63 | |
| 64 | mux := http.NewServeMux() |
| 65 | s := &server{ |
| 66 | domain: flagDomain, |
| 67 | } |
| 68 | s.register(mux) |
| 69 | |
| 70 | go func() { |
| 71 | glog.Infof("Listening on %s...", flagListenPublic) |
| 72 | if err := http.ListenAndServe(flagListenPublic, mux); err != nil { |
| 73 | glog.Exitf("listen failed: %v", err) |
| 74 | } |
| 75 | }() |
| 76 | |
| 77 | if err := m.Serve(); err != nil { |
| 78 | glog.Exitf("Serve(): %v", err) |
| 79 | } |
| 80 | |
| 81 | <-m.Done() |
| 82 | } |