fix: surface clear error when joining encrypted room without invitation

- membership server returns 403 + human-readable message on missing sealed key (was leaking 'sql: no rows in result set') - client doJSON unwraps the server's {"error"} field instead of pasting the raw HTTP envelope
2026-06-03 21:33:42 +02:00
parent c203ba63e6
commit b1d1f64c16
2 changed files with 16 additions and 1 deletions
@@ -126,6 +126,14 @@ func (c *Client) doJSON(method, path string, body, out any) error {
 	defer resp.Body.Close()
 	respBody, _ := io.ReadAll(resp.Body)
 	if resp.StatusCode >= 300 {
+		// Surface the server's structured {"error": "..."} message when present,
+		// instead of leaking the raw HTTP envelope (method, path, status, JSON body).
+		var er struct {
+			Error string `json:"error"`
+		}
+		if json.Unmarshal(respBody, &er) == nil && er.Error != "" {
+			return fmt.Errorf("%s (HTTP %d)", er.Error, resp.StatusCode)
+		}
 		return fmt.Errorf("client: %s %s -> %d: %s", method, path, resp.StatusCode, string(respBody))
 	}
 	if out != nil {