Method makePath

plugins/statichit/statichit.cc:88–122

  ~StaticHitConfig() { TSContDestroy(cont); }

  std::string_view
  makePath(TSHttpTxn txnp, std::string &output) const
  {
    std::string_view ret = {};

    if (!dirPath.empty()) {
      TSMBuffer reqp;
      TSMLoc    hdr_loc = nullptr, url_loc = nullptr;

      if (TS_SUCCESS == TSHttpTxnClientReqGet(txnp, &reqp, &hdr_loc)) {
        if (TS_SUCCESS == TSHttpHdrUrlGet(reqp, hdr_loc, &url_loc)) {
          int  path_len = 0;
          auto path     = TSUrlPathGet(reqp, url_loc, &path_len);

          std::filesystem::path requested_file_path(
            std::filesystem::weakly_canonical(dirPath / std::string_view{path, static_cast<size_t>(path_len)}));

          TSHandleMLocRelease(reqp, hdr_loc, url_loc);
          TSHandleMLocRelease(reqp, TS_NULL_MLOC, hdr_loc);

          if (std::equal(dirPath.begin(), dirPath.end(), requested_file_path.begin()) &&
              std::filesystem::is_regular_file(requested_file_path)) {
            output = requested_file_path.string();
            ret    = {output.c_str(), output.size()};
          }
        } else {
          TSHandleMLocRelease(reqp, TS_NULL_MLOC, hdr_loc);
        }
      }
    } else {
      ret = filePath;
    }

    return ret;
  }

  std::filesystem::path dirPath;
  std::string           filePath;