add api endpoints

api/adopt.go

@@ -0,0 +1,90 @@
+package api
+
+import (
+	"fmt"
+	"net/http"
+	"strconv"
+
+	"github.com/parkan/go-hauk/model"
+)
+
+func (s *Server) handleAdopt(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+
+	if err := r.ParseForm(); err != nil {
+		http.Error(w, "bad request", http.StatusBadRequest)
+		return
+	}
+
+	sid := r.FormValue("sid")
+	nickname := r.FormValue("nic")
+	aid := r.FormValue("aid")
+	pinStr := r.FormValue("pin")
+
+	if sid == "" || nickname == "" || aid == "" || pinStr == "" {
+		fmt.Fprintln(w, "Missing data!")
+		return
+	}
+
+	session, err := model.LoadSession(ctx, s.store, sid, s.cfg.MaxCachedPts)
+	if err != nil {
+		fmt.Fprintln(w, "Session expired!")
+		return
+	}
+
+	shareType, err := model.LoadShareType(ctx, s.store, aid)
+	if err != nil {
+		fmt.Fprintln(w, "Share not found!")
+		return
+	}
+
+	if shareType != model.ShareTypeAlone {
+		fmt.Fprintln(w, "Group shares cannot be adopted!")
+		return
+	}
+
+	share, err := model.LoadSoloShare(ctx, s.store, aid, s.cfg.PublicURL)
+	if err != nil {
+		fmt.Fprintln(w, "Share not found!")
+		return
+	}
+
+	if !share.Adoptable() {
+		fmt.Fprintln(w, "Share adoption not allowed!")
+		return
+	}
+
+	hostSession, err := model.LoadSession(ctx, s.store, share.Host(), s.cfg.MaxCachedPts)
+	if err != nil {
+		fmt.Fprintln(w, "Session expired!")
+		return
+	}
+
+	if hostSession.Encrypted() {
+		fmt.Fprintln(w, "End-to-end encrypted shares cannot be adopted!")
+		return
+	}
+
+	pin, _ := strconv.Atoi(pinStr)
+	target, err := model.LoadGroupShareByPin(ctx, s.store, pin, s.cfg.PublicURL)
+	if err != nil {
+		fmt.Fprintln(w, "Session expired!")
+		return
+	}
+
+	target.AddHost(nickname, share.Host())
+	if err := target.Save(ctx); err != nil {
+		http.Error(w, "internal error", http.StatusInternalServerError)
+		return
+	}
+
+	hostSession.AddTarget(target.ID())
+	if err := hostSession.Save(ctx); err != nil {
+		http.Error(w, "internal error", http.StatusInternalServerError)
+		return
+	}
+
+	_ = session
+
+	fmt.Fprintln(w, "OK")
+}