check remote version

gen_js_from_hbb.py

@@ -9,6 +9,7 @@ def main():
    print('export const LANGS = {')
    for fn in glob.glob('../hbb/src/lang/*'):
       lang = os.path.basename(fn)[:-3]
+      if lang == 'template': continue
       print('  %s: {'%lang)
       for ln in open(fn):
          ln = ln.strip()
@@ -62,4 +63,4 @@ def main():
 def removeComment(ln):
    return re.sub('\s+\/\/.*$', '', ln)
 
-main()
+main()

src/connection.ts

@@ -98,6 +98,10 @@ export default class Connection {
     const phr = msg.punch_hole_response;
     const rr = msg.relay_response;
     if (phr) {
+      if (phr?.other_failure) {
+        this.msgbox("error", "Error", phr?.other_failure);
+        return;
+      }
       if (phr.failure != rendezvous.PunchHoleResponse_Failure.UNRECOGNIZED) {
         switch (phr?.failure) {
           case rendezvous.PunchHoleResponse_Failure.ID_NOT_EXIST:
@@ -109,13 +113,16 @@ export default class Connection {
           case rendezvous.PunchHoleResponse_Failure.LICENSE_MISMATCH:
             this.msgbox("error", "Error", "Key mismatch");
             break;
-          default:
-            if (phr?.other_failure) {
-              this.msgbox("error", "Error", phr?.other_failure);
-            }
+          case rendezvous.PunchHoleResponse_Failure.LICENSE_OVERUSE:
+            this.msgbox("error", "Error", "Key overuse");
+            break;
         }
       }
     } else if (rr) {
+      if (!rr.version) {
+        this.msgbox("error", "Error", "Remote version is low, not support web");
+        return;
+      }
       await this.connectRelay(rr);
     }
   }

src/websock.ts

@@ -110,7 +110,7 @@ export default class Websock {
       };
       this._websocket.onerror = (e: any) => {
         if (!this._status) {
-          reject("Failed to connect to " + this._uri);
+          reject("Failed to connect to " + (this._isRendezvous ? "rendezvous" : "relay") + " server");
           return;
         }
         this._status = e;