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"encoding/json"
"fmt"
"io"
"io/ioutil"
"strconv"
"strings"
"github.com/turt2live/matrix-media-repo/util/cleanup"
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type VersionsResponse struct {
CSAPIVersions []string `json:"versions,flow"`
}
type RegisterRequest struct {
DesiredUsername string `json:"username"`
}
type RegisterResponse struct {
UserID string `json:"user_id"`
AccessToken string `json:"access_token"`
}
type WhoamiResponse struct {
UserID string `json:"user_id"`
}
func requestJson(r *http.Request, i interface{}) error {
b, err := ioutil.ReadAll(r.Body)
if err != nil {
return err
}
return json.Unmarshal(b, &i)
}
func respondJson(w http.ResponseWriter, i interface{}) error {
resp, err := json.Marshal(i)
if err != nil {
return err
}
w.Header().Set("Content-Length",strconv.Itoa(len(resp)))
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(200)
_, err = w.Write(resp)
return err
}
func main() {
// Prepare local server
log.Println("Preparing local server...")
rtr := mux.NewRouter()
rtr.HandleFunc("/_matrix/client/versions", func(w http.ResponseWriter, r *http.Request) {
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defer cleanup.DumpAndCloseStream(r.Body)
err := respondJson(w, &VersionsResponse{CSAPIVersions: []string{"r0.6.0"}})
if err != nil {
log.Fatal(err)
}
})
rtr.HandleFunc("/_matrix/client/r0/register", func(w http.ResponseWriter, r *http.Request) {
rr := &RegisterRequest{}
err := requestJson(r, &rr)
if err != nil {
log.Fatal(err)
}
userId := fmt.Sprintf("@%s:%s", rr.DesiredUsername, os.Getenv("SERVER_NAME"))
err = respondJson(w, &RegisterResponse{
AccessToken: userId,
UserID: userId,
})
if err != nil {
log.Fatal(err)
}
})
rtr.HandleFunc("/_matrix/client/r0/account/whoami", func(w http.ResponseWriter, r *http.Request) {
defer cleanup.DumpAndCloseStream(r.Body)
userId := strings.TrimPrefix(r.Header.Get("Authorization"), "Bearer ") // including space after Bearer.
err := respondJson(w, &WhoamiResponse{UserID: userId})
if err != nil {
log.Fatal(err)
}
})
rtr.PathPrefix("/_matrix/media/").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Proxy to the media repo running within the container
r2, err := http.NewRequest(r.Method, "http://127.0.0.1:8228" + r.RequestURI, r.Body)
if err != nil {
log.Fatal(err)
}
r2.Host = os.Getenv("SERVER_NAME")
resp, err := http.DefaultClient.Do(r2)
if err != nil {
log.Fatal(err)
}
err = resp.Header.Write(w)
if err != nil {
log.Fatal(err)
}
_, err = io.Copy(w, resp.Body)
if err != nil {
log.Fatal(err)
}
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})
srv1 := &http.Server{Addr: "0.0.0.0:8008", Handler: rtr}
srv2 := &http.Server{Addr: "0.0.0.0:8448", Handler: rtr}
log.Println("Starting local server...")
waitGroup1 := &sync.WaitGroup{}
waitGroup2 := &sync.WaitGroup{}
go func() {
if err := srv1.ListenAndServe(); err != http.ErrServerClosed {
log.Fatal(err)
}
srv1 = nil
waitGroup1.Done()
}()
go func() {
if err := srv2.ListenAndServeTLS("/data/server.crt", "/data/server.key"); err != http.ErrServerClosed {
log.Fatal(err)
}
srv2 = nil
waitGroup2.Done()
}()
stop := make(chan os.Signal)
signal.Notify(stop, os.Interrupt, os.Kill)
go func() {
defer close(stop)
<-stop
log.Println("Stopping local server...")
_ = srv1.Close()
_ = srv2.Close()
}()
waitGroup1.Add(1)
waitGroup2.Add(1)
waitGroup1.Wait()
waitGroup2.Wait()
log.Println("Goodbye!")
}