add v2 endpoint for upcoming got notifications

got.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/json"
 	"fmt"
 	"log"
 	"net/http"
@@ -11,6 +12,34 @@ import (
 	"suah.dev/mcchunkie/plugins"
 )
 
+type Notification struct {
+	Short    bool   `json:"short"`
+	ID       string `json:"id"`
+	Author   string `json:"author"`
+	Date     string `json:"date"`
+	Message  string `json:"message"`
+	Diffstat struct {
+	} `json:"diffstat"`
+	Changes struct {
+	} `json:"changes"`
+}
+
+func (n *Notification) String() string {
+	// op committed got.git f9e653700..f9e653700^1 (main): fix gotd_parse_url() (https://git.gameoftrees.org/gitweb/?p=got.git;a=commitdiff;h=f9e653700)
+	return fmt.Sprintf("%s committed %s: %s (%s)",
+		n.Author,
+		n.ID,
+		n.Message,
+		fmt.Sprintf("https://git.gameoftrees.org/gitweb/?p=%s;a=commitdiff;h=%s",
+			"repo",
+			n.ID),
+	)
+}
+
+type GotNotifications struct {
+	Notifications []Notification `json:"notifications"`
+}
+
 func gotListen(store *FStore, cli *gomatrix.Client) {
 	var gotPort, _ = store.Get("got_listen")
 	if gotPort != "" {
@@ -19,6 +48,41 @@ func gotListen(store *FStore, cli *gomatrix.Client) {
 
 		log.Printf("GOT: listening on %q and sending messages to %q\n", gotPort, gotRoom)
 
+		http.HandleFunc("/_got/v2", func(w http.ResponseWriter, r *http.Request) {
+			if r.Method != http.MethodPost {
+				http.Error(w, fmt.Sprintf("method %q not implemented", r.Method), http.StatusMethodNotAllowed)
+				return
+			}
+			user, pass, ok := r.BasicAuth()
+			err := bcrypt.CompareHashAndPassword([]byte(htpass), []byte(pass))
+			if !(ok && err == nil && user == "got") {
+				log.Printf("GOT: failed auth '%s'\n", user)
+				w.Header().Set("WWW-Authenticate", `Basic realm="got notify"`)
+				http.Error(w, "Unauthorized", http.StatusUnauthorized)
+				return
+			}
+			gn := GotNotifications{}
+
+			dec := json.NewDecoder(r.Body)
+			err = dec.Decode(&gn)
+			if err != nil {
+				http.Error(w, "invalid data sent to server", http.StatusBadRequest)
+				return
+			}
+			for _, line := range gn.Notifications {
+				log.Printf("GOT: sending '%s'\n", line.String())
+				err = plugins.SendUnescNotice(cli, gotRoom, line.String())
+				if err != nil {
+					http.Error(
+						w,
+						fmt.Sprintf("can not send commit info: %s", err),
+						http.StatusInternalServerError,
+					)
+					return
+				}
+			}
+		})
+
 		http.HandleFunc("/_got", func(w http.ResponseWriter, r *http.Request) {
 			var msg string
 			user, pass, ok := r.BasicAuth()