API for the HTTP Basic Auth filter

Signed-off-by: huabing zhao <[email protected]>

api/envoy/extensions/filters/http/basic_auth/v3/BUILD

@@ -0,0 +1,12 @@
+# DO NOT EDIT. This file is generated by tools/proto_format/proto_sync.py.
+
+load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
+
+licenses(["notice"])  # Apache 2
+
+api_proto_package(
+    deps = [
+        "//envoy/config/core/v3:pkg",
+        "@com_github_cncf_udpa//udpa/annotations:pkg",
+    ],
+)

api/envoy/extensions/filters/http/basic_auth/v3/basic_auth.proto

@@ -0,0 +1,40 @@
+syntax = "proto3";
+
+package envoy.extensions.filters.http.basic_auth.v3;
+
+import "envoy/config/core/v3/base.proto";
+
+import "xds/annotations/v3/status.proto";
+
+import "udpa/annotations/status.proto";
+import "validate/validate.proto";
+
+option java_package = "io.envoyproxy.envoy.extensions.filters.http.basic_auth.v3";
+option java_outer_classname = "BasicAuthProto";
+option java_multiple_files = true;
+option go_package = "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/http/basic_auth/v3;basic_authv3";
+option (udpa.annotations.file_status).package_version_status = ACTIVE;
+option (xds.annotations.v3.file_status).work_in_progress = true;
+
+// [#protodoc-title: Basic Auth]
+// [#not-implemented-hide:]
+// Basic Auth :ref:`configuration overview <config_http_filters_basic_auth>`.
+// [#extension: envoy.filters.http.basic_auth]
+
+// Basic HTTP authentication.
+//
+// Example:
+//
+//  .. code-block:: yaml
+//
+//  htpasswd:
+//    inline_string: |-
+//        user1:hashed_user1_password
+//        user2:hashed_user2_password
+//
+message BasicAuth {
+  // Username-password pairs used to verify user credentials in the "Authorization" header.
+  // The value needs to be the htpasswd format.
+  // Reference to https://httpd.apache.org/docs/2.4/programs/htpasswd.html
+  config.core.v3.DataSource htpasswd = 1 [(udpa.annotations.sensitive) = true];
+}

source/extensions/extensions_metadata.yaml

@@ -217,6 +217,13 @@ envoy.filters.http.bandwidth_limit:
   status: stable
   type_urls:
   - envoy.extensions.filters.http.bandwidth_limit.v3.BandwidthLimit
+envoy.filters.http.basic_auth:
+  categories:
+  - envoy.filters.http
+  security_posture: unknown
+  status: wip
+  type_urls:
+  - envoy.extensions.filters.http.basic_auth.v3.BasicAuth
 envoy.filters.http.buffer:
   categories:
   - envoy.filters.http

tools/spelling/spelling_dictionary.txt

@@ -816,6 +816,7 @@ hostnames
 hostset
 hotrestart
 hrefs
+htpasswd
 huffman
 hystrix
 idempotency