syntax = "proto3";

package envoy.extensions.http.injected_credentials.generic.v3;

import "envoy/extensions/transport_sockets/tls/v3/secret.proto";

import "udpa/annotations/status.proto";
import "validate/validate.proto";

option java_package = "io.envoyproxy.envoy.extensions.http.injected_credentials.generic.v3";
option java_outer_classname = "GenericProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/extensions/http/injected_credentials/generic/v3;genericv3";
option (udpa.annotations.file_status).package_version_status = ACTIVE;

// [#protodoc-title: Generic Credential]
// [#extension: envoy.http.injected_credentials.generic]

// Generic extension can be used to inject HTTP Basic Auth, Bearer Token, or any arbitrary credential
// into the proxied requests.
// The credential will be injected into the specified HTTP request header.
// Refer to [RFC 6750: The OAuth 2.0 Authorization Framework: Bearer Token Usage](https://www.rfc-editor.org/rfc/rfc6750) for details.
//
message Generic {
  // The SDS configuration for the credential that will be injected to the specified HTTP request header.
  // It must be a generic secret.
  transport_sockets.tls.v3.SdsSecretConfig credential = 1
      [(validate.rules).message = {required: true}];

  // The header that will be injected to the HTTP request with the provided credential.
  // If not set, filter will default to: ``Authorization``
  string header = 2
      [(validate.rules).string = {well_known_regex: HTTP_HEADER_NAME ignore_empty: true}];

  // The prefix to prepend to the credential value before injecting it into the header.
  // This is useful for adding a scheme such as ``Bearer `` or ``Basic `` to the credential.
  // For example, if the credential is ``xyz123`` and the prefix is ``Bearer ``, the
  // final header value will be ``Bearer xyz123``.
  // If not set, the raw credential value will be injected without any prefix.
  string header_value_prefix = 3;
}
