runtime/runtime_impl_jetty12/src/main/java/com/google/apphosting/runtime/jetty/proxy/UPRequestTranslator.java [194:345]:
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        httpRequest.setIsHttps(true);
      }
    }

    return upReqBuilder.build();
  }

  private static void builderHeader(UPRequest.Builder upReqBuilder, String name, String value) {
    if (Strings.isNullOrEmpty(value)) {
      return;
    }
    String lower = Ascii.toLowerCase(name);
    switch (lower) {
      case X_APPENGINE_API_TICKET:
        upReqBuilder.setSecurityTicket(value);
        return;

      case X_APPENGINE_USER_EMAIL:
        upReqBuilder.setEmail(value);
        return;

      case X_APPENGINE_USER_NICKNAME:
        upReqBuilder.setNickname(value);
        return;

      case X_APPENGINE_USER_IS_ADMIN:
        upReqBuilder.setIsAdmin(value.equals(IS_ADMIN_HEADER_VALUE));
        return;

      case X_APPENGINE_AUTH_DOMAIN:
        upReqBuilder.setAuthDomain(value);
        return;

      case X_APPENGINE_USER_ORGANIZATION:
        upReqBuilder.setUserOrganization(value);
        return;

      case X_APPENGINE_LOAS_PEER_USERNAME:
        upReqBuilder.setPeerUsername(value);
        return;

      case X_APPENGINE_GAIA_ID:
        upReqBuilder.setGaiaId(Long.parseLong(value));
        return;

      case X_APPENGINE_GAIA_AUTHUSER:
        upReqBuilder.setAuthuser(value);
        return;

      case X_APPENGINE_GAIA_SESSION:
        upReqBuilder.setGaiaSession(value);
        return;

      case X_APPENGINE_APPSERVER_DATACENTER:
        upReqBuilder.setAppserverDatacenter(value);
        return;

      case X_APPENGINE_APPSERVER_TASK_BNS:
        upReqBuilder.setAppserverTaskBns(value);
        return;

      case X_APPENGINE_USER_ID:
        upReqBuilder.setObfuscatedGaiaId(value);
        return;

      case X_APPENGINE_DEFAULT_VERSION_HOSTNAME:
        upReqBuilder.setDefaultVersionHostname(value);
        return;

      case X_APPENGINE_REQUEST_LOG_ID:
        upReqBuilder.setRequestLogId(value);
        return;

      default:
        return;
    }
  }

  private void requestHeader(
      UPRequest.Builder upReqBuilder, HttpRequest.Builder httpRequest, String name, String value) {
    if (Strings.isNullOrEmpty(value)) {
      return;
    }
    String lower = Ascii.toLowerCase(name);
    switch (lower) {
      case X_APPENGINE_TRUSTED_IP_REQUEST:
        // If there is a value, then the application is trusted
        // If the value is IS_TRUSTED, then the user is trusted
        httpRequest.setTrusted(value.equals(IS_TRUSTED));
        upReqBuilder.setIsTrustedApp(true);
        break;

      case X_APPENGINE_HTTPS:
        httpRequest.setIsHttps(value.equals("on"));
        break;

      case X_APPENGINE_USER_IP:
        httpRequest.setUserIp(value);
        break;

      case X_FORWARDED_PROTO:
        httpRequest.setIsHttps(value.equals("https"));
        break;

      case X_CLOUD_TRACE_CONTEXT:
        try {
          TraceContextProto proto = TraceContextHelper.parseTraceContextHeader(value);
          upReqBuilder.setTraceContext(proto);
        } catch (NumberFormatException e) {
          logger.atWarning().withCause(e).log("Could not parse trace context header: %s", value);
        }
        break;

      case X_GOOGLE_INTERNAL_SKIPADMINCHECK:
        // may be set by X_APPENGINE_QUEUENAME below
        if (upReqBuilder.getRuntimeHeadersList().stream()
            .map(ParsedHttpHeader::getKey)
            .noneMatch(X_GOOGLE_INTERNAL_SKIPADMINCHECK_UC::equalsIgnoreCase)) {
          upReqBuilder.addRuntimeHeaders(
              createRuntimeHeader(X_GOOGLE_INTERNAL_SKIPADMINCHECK_UC, "true"));
        }
        break;

      case X_APPENGINE_QUEUENAME:
        httpRequest.setIsOffline(true);
        // See b/139183416, allow for cron jobs and task queues to access login: admin urls
        if (upReqBuilder.getRuntimeHeadersList().stream()
            .map(ParsedHttpHeader::getKey)
            .noneMatch(X_GOOGLE_INTERNAL_SKIPADMINCHECK_UC::equalsIgnoreCase)) {
          upReqBuilder.addRuntimeHeaders(
              createRuntimeHeader(X_GOOGLE_INTERNAL_SKIPADMINCHECK_UC, "true"));
        }
        break;

      case X_APPENGINE_TIMEOUT_MS:
        upReqBuilder.addRuntimeHeaders(createRuntimeHeader(X_APPENGINE_TIMEOUT_MS, value));
        break;

      case X_GOOGLE_INTERNAL_PROFILER:
        try {
          TextFormat.merge(value, upReqBuilder.getProfilerSettingsBuilder());
        } catch (IOException ex) {
          throw new IllegalStateException("X-Google-Internal-Profiler read content error:", ex);
        }
        break;

      default:
        break;
    }
    if (passThroughPrivateHeaders || !PRIVATE_APPENGINE_HEADERS.contains(lower)) {
      // Only non AppEngine specific headers are passed to the application.
      httpRequest.addHeadersBuilder().setKey(name).setValue(value);
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runtime/runtime_impl_jetty9/src/main/java/com/google/apphosting/runtime/jetty9/UPRequestTranslator.java [209:360]:
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        httpRequest.setIsHttps(true);
      }
    }

    return upReqBuilder.build();
  }

  private static void builderHeader(UPRequest.Builder upReqBuilder, String name, String value) {
    if (Strings.isNullOrEmpty(value)) {
      return;
    }
    String lower = Ascii.toLowerCase(name);
    switch (lower) {
      case X_APPENGINE_API_TICKET:
        upReqBuilder.setSecurityTicket(value);
        return;

      case X_APPENGINE_USER_EMAIL:
        upReqBuilder.setEmail(value);
        return;

      case X_APPENGINE_USER_NICKNAME:
        upReqBuilder.setNickname(value);
        return;

      case X_APPENGINE_USER_IS_ADMIN:
        upReqBuilder.setIsAdmin(value.equals(IS_ADMIN_HEADER_VALUE));
        return;

      case X_APPENGINE_AUTH_DOMAIN:
        upReqBuilder.setAuthDomain(value);
        return;

      case X_APPENGINE_USER_ORGANIZATION:
        upReqBuilder.setUserOrganization(value);
        return;

      case X_APPENGINE_LOAS_PEER_USERNAME:
        upReqBuilder.setPeerUsername(value);
        return;

      case X_APPENGINE_GAIA_ID:
        upReqBuilder.setGaiaId(Long.parseLong(value));
        return;

      case X_APPENGINE_GAIA_AUTHUSER:
        upReqBuilder.setAuthuser(value);
        return;

      case X_APPENGINE_GAIA_SESSION:
        upReqBuilder.setGaiaSession(value);
        return;

      case X_APPENGINE_APPSERVER_DATACENTER:
        upReqBuilder.setAppserverDatacenter(value);
        return;

      case X_APPENGINE_APPSERVER_TASK_BNS:
        upReqBuilder.setAppserverTaskBns(value);
        return;

      case X_APPENGINE_USER_ID:
        upReqBuilder.setObfuscatedGaiaId(value);
        return;

      case X_APPENGINE_DEFAULT_VERSION_HOSTNAME:
        upReqBuilder.setDefaultVersionHostname(value);
        return;

      case X_APPENGINE_REQUEST_LOG_ID:
        upReqBuilder.setRequestLogId(value);
        return;

      default:
        return;
    }
  }

  private void requestHeader(
      UPRequest.Builder upReqBuilder, HttpRequest.Builder httpRequest, String name, String value) {
    if (Strings.isNullOrEmpty(value)) {
      return;
    }
    String lower = Ascii.toLowerCase(name);
    switch (lower) {
      case X_APPENGINE_TRUSTED_IP_REQUEST:
        // If there is a value, then the application is trusted
        // If the value is IS_TRUSTED, then the user is trusted
        httpRequest.setTrusted(value.equals(IS_TRUSTED));
        upReqBuilder.setIsTrustedApp(true);
        break;

      case X_APPENGINE_HTTPS:
        httpRequest.setIsHttps(value.equals("on"));
        break;

      case X_APPENGINE_USER_IP:
        httpRequest.setUserIp(value);
        break;

      case X_FORWARDED_PROTO:
        httpRequest.setIsHttps(value.equals("https"));
        break;

      case X_CLOUD_TRACE_CONTEXT:
        try {
          TraceContextProto proto = TraceContextHelper.parseTraceContextHeader(value);
          upReqBuilder.setTraceContext(proto);
        } catch (NumberFormatException e) {
          logger.atWarning().withCause(e).log("Could not parse trace context header: %s", value);
        }
        break;

      case X_GOOGLE_INTERNAL_SKIPADMINCHECK:
        // may be set by X_APPENGINE_QUEUENAME below
        if (upReqBuilder.getRuntimeHeadersList().stream()
            .map(ParsedHttpHeader::getKey)
            .noneMatch(X_GOOGLE_INTERNAL_SKIPADMINCHECK_UC::equalsIgnoreCase)) {
          upReqBuilder.addRuntimeHeaders(
              createRuntimeHeader(X_GOOGLE_INTERNAL_SKIPADMINCHECK_UC, "true"));
        }
        break;

      case X_APPENGINE_QUEUENAME:
        httpRequest.setIsOffline(true);
        // See b/139183416, allow for cron jobs and task queues to access login: admin urls
        if (upReqBuilder.getRuntimeHeadersList().stream()
            .map(ParsedHttpHeader::getKey)
            .noneMatch(X_GOOGLE_INTERNAL_SKIPADMINCHECK_UC::equalsIgnoreCase)) {
          upReqBuilder.addRuntimeHeaders(
              createRuntimeHeader(X_GOOGLE_INTERNAL_SKIPADMINCHECK_UC, "true"));
        }
        break;

      case X_APPENGINE_TIMEOUT_MS:
        upReqBuilder.addRuntimeHeaders(createRuntimeHeader(X_APPENGINE_TIMEOUT_MS, value));
        break;

      case X_GOOGLE_INTERNAL_PROFILER:
        try {
          TextFormat.merge(value, upReqBuilder.getProfilerSettingsBuilder());
        } catch (IOException ex) {
          throw new IllegalStateException("X-Google-Internal-Profiler read content error:", ex);
        }
        break;

      default:
        break;
    }
    if (passThroughPrivateHeaders || !PRIVATE_APPENGINE_HEADERS.contains(lower)) {
      // Only non AppEngine specific headers are passed to the application.
      httpRequest.addHeadersBuilder().setKey(name).setValue(value);
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