feat: support hide the authentication header in basic-auth with a config

apisix/plugins/basic-auth.lua

@@ -30,7 +30,12 @@ local consumers_lrucache = core.lrucache.new({
 local schema = {
     type = "object",
     title = "work with route or service object",
-    properties = {},
+    properties = {
+        hide_credentials = {
+            type = "boolean",
+            default = false,
+        }
+    },
 }
 
 local consumer_schema = {
@@ -161,6 +166,11 @@ function _M.rewrite(conf, ctx)
         return 401, { message = "Password is error" }
     end
 
+    -- 5. hide `Authorization` request header if `hide_credentials` is `true`
+    if conf.hide_credentials then
+        core.request.set_header(ctx, "Authorization", nil)
+    end
+
     consumer.attach_consumer(ctx, cur_consumer, consumer_conf)
 
     core.log.info("hit basic-auth access")

docs/en/latest/plugins/basic-auth.md

@@ -39,11 +39,19 @@ For more information on Basic authentication, refer to [Wiki](https://en.wikiped
 
 ## Attributes
 
+For consumer side:
+
 | Name     | Type   | Requirement | Default | Valid | Description                                                                                                                                                      |
 | -------- | ------ | ----------- | ------- | ----- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | username | string | required    |         |       | Different `consumer` should have different value which is unique. When different `consumer` use a same `username`, a request matching exception would be raised. |
 | password | string | required    |         |       | the user's password                                                                                                                                              |
 
+For route side:
+
+| Name             | Type    | Requirement | Default | Valid | Description                                                                                                                                                      |
+| --------         | ------  | ----------- | ------- | ----- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| hide_credentials | boolean | optional    | false   |       | Whether to pass the Authorization request headers to the upstream.                                                                                            |
+
 ## How To Enable
 
 ### 1. set a consumer and config the value of the `basic-auth` option
@@ -129,8 +137,8 @@ hello, world
 ## Disable Plugin
 
 When you want to disable the `basic-auth` plugin, it is very simple,
- you can delete the corresponding json configuration in the plugin configuration,
-  no need to restart the service, it will take effect immediately:
+you can delete the corresponding json configuration in the plugin configuration,
+no need to restart the service, it will take effect immediately:
 
 ```shell
 $ curl http://127.0.0.1:9080/apisix/admin/routes/1 -X PUT -d '

docs/zh/latest/plugins/basic-auth.md

@@ -39,11 +39,19 @@ title: basic-auth
 
 ## 属性
 
+consumer 端配置：
+
 | 名称     | 类型   | 必选项 | 默认值 | 有效值 | 描述                                                                                                               |
 | -------- | ------ | ------ | ------ | ------ | ------------------------------------------------------------------------------------------------------------------ |
 | username | string | 必须   |        |        | 不同的 `consumer` 对象应有不同的值，它应当是唯一的。不同 consumer 使用了相同的 `username` ，将会出现请求匹配异常。 |
 | password | string | 必须   |        |        | 用户的密码                                                                                                         |
 
+router 端配置：
+
+| 名称     | 类型   | 必选项 | 默认值 | 有效值 | 描述                                                                                                               |
+| -------- | ------ | ------ | ------ | ------ | ------------------------------------------------------------------------------------------------------------------ |
+| hide_credentials | boolean | 可选    | false   |       | 是否将 Authorization 请求头传递给 upstream。                                                                                             |
+
 ## 如何启用
 
 ### 1. 创建一个 consumer 对象，并设置插件 `basic-auth` 的值。

t/plugin/basic-auth.t

@@ -356,3 +356,103 @@ GET /t
 GET /t
 --- no_error_log
 [error]
+
+
+
+=== TEST 15: enable basic auth plugin using admin api, set hide_credentials = true
+--- config
+    location /t {
+        content_by_lua_block {
+            local t = require("lib.test_admin").test
+            local code, body = t('/apisix/admin/routes/1',
+                ngx.HTTP_PUT,
+                [[{
+                    "plugins": {
+                        "basic-auth": {
+                            "hide_credentials": true
+                        }
+                    },
+                    "upstream": {
+                        "nodes": {
+                            "127.0.0.1:1980": 1
+                        },
+                        "type": "roundrobin"
+                    },
+                    "uri": "/echo"
+                }]]
+                )
+
+            if code >= 300 then
+                ngx.status = code
+            end
+            ngx.say(body)
+        }
+    }
+--- request
+GET /t
+--- response_body
+passed
+--- no_error_log
+[error]
+
+
+
+=== TEST 16: verify Authorization request header is hidden
+--- request
+GET /echo
+--- more_headers
+Authorization: Basic Zm9vOmJhcg==
+--- response_headers
+!Authorization
+--- no_error_log
+[error]
+
+
+
+=== TEST 17: enable basic auth plugin using admin api, hide_credentials = false
+--- config
+    location /t {
+        content_by_lua_block {
+            local t = require("lib.test_admin").test
+            local code, body = t('/apisix/admin/routes/1',
+                ngx.HTTP_PUT,
+                [[{
+                    "plugins": {
+                        "basic-auth": {
+                            "hide_credentials": false
+                        }
+                    },
+                    "upstream": {
+                        "nodes": {
+                            "127.0.0.1:1980": 1
+                        },
+                        "type": "roundrobin"
+                    },
+                    "uri": "/echo"
+                }]]
+                )
+
+            if code >= 300 then
+                ngx.status = code
+            end
+            ngx.say(body)
+        }
+    }
+--- request
+GET /t
+--- response_body
+passed
+--- no_error_log
+[error]
+
+
+
+=== TEST 18: verify Authorization request header should not hidden
+--- request
+GET /echo
+--- more_headers
+Authorization: Basic Zm9vOmJhcg==
+--- response_headers
+Authorization: Basic Zm9vOmJhcg==
+--- no_error_log
+[error]