feat: plugins in multi-auth returns error instead of logging it

apisix/plugins/basic-auth.lua

@@ -18,6 +18,8 @@ local core = require("apisix.core")
 local ngx = ngx
 local ngx_re = require("ngx.re")
 local consumer = require("apisix.consumer")
+local auth_utils = require("apisix.utils.auth")
+
 local lrucache = core.lrucache.new({
     ttl = 300, count = 512
 })
@@ -132,6 +134,9 @@ function _M.rewrite(conf, ctx)
 
     local username, password, err = extract_auth_header(auth_header)
     if err then
+        if auth_utils.is_running_under_multi_auth(ctx) then
+            return 401, err
+        end
         core.log.warn(err)
         return 401, { message = "Invalid authorization in request" }
     end

apisix/plugins/hmac-auth.lua

@@ -28,6 +28,7 @@ local ngx_encode_base64 = ngx.encode_base64
 local plugin_name   = "hmac-auth"
 local ALLOWED_ALGORITHMS = {"hmac-sha1", "hmac-sha256", "hmac-sha512"}
 local resty_sha256 = require("resty.sha256")
+local auth_utils = require("apisix.utils.auth")
 
 local schema = {
     type = "object",
@@ -324,16 +325,24 @@ end
 function _M.rewrite(conf, ctx)
     local params,err = retrieve_hmac_fields(ctx)
     if err then
-        core.log.warn("client request can't be validated: ", err)
-        return 401, {message = "client request can't be validated: " .. err}
+        err = "client request can't be validated: " .. err
+        if auth_utils.is_running_under_multi_auth(ctx) then
+            return 401, err
+        end
+        core.log.warn(err)
+        return 401, {message = err}
     end
 
     if conf.hide_credentials then
         core.request.set_header("Authorization", nil)
     end
     local validated_consumer, err = validate(ctx, conf, params)
     if not validated_consumer then
-        core.log.warn("client request can't be validated: ", err or "Invalid signature")
+        err = "client request can't be validated: " .. (err or "Invalid signature")
+        if auth_utils.is_running_under_multi_auth(ctx) then
+            return 401, err
+        end
+        core.log.warn(err)
         return 401, {message = "client request can't be validated"}
     end
 

apisix/plugins/jwt-auth.lua

@@ -19,6 +19,7 @@ local jwt      = require("resty.jwt")
 local consumer_mod = require("apisix.consumer")
 local resty_random = require("resty.random")
 local new_tab = require ("table.new")
+local auth_utils = require("apisix.utils.auth")
 
 local ngx_encode_base64 = ngx.encode_base64
 local ngx_decode_base64 = ngx.decode_base64
@@ -236,7 +237,11 @@ function _M.rewrite(conf, ctx)
     local jwt_obj = jwt:load_jwt(jwt_token)
     core.log.info("jwt object: ", core.json.delay_encode(jwt_obj))
     if not jwt_obj.valid then
-        core.log.warn("JWT token invalid: ", jwt_obj.reason)
+        err = "JWT token invalid: " .. jwt_obj.reason
+        if auth_utils.is_running_under_multi_auth(ctx) then
+            return 401, err
+        end
+        core.log.warn(err)
         return 401, {message = "JWT token invalid"}
     end
 
@@ -260,7 +265,11 @@ function _M.rewrite(conf, ctx)
 
     local auth_secret, err = get_auth_secret(consumer.auth_conf)
     if not auth_secret then
-        core.log.error("failed to retrieve secrets, err: ", err)
+        err = "failed to retrieve secrets, err: " .. err
+        if auth_utils.is_running_under_multi_auth(ctx) then
+            return 401, err
+        end
+        core.log.error(err)
         return 503, {message = "failed to verify jwt"}
     end
     local claim_specs = jwt:get_default_validation_options(jwt_obj)
@@ -270,7 +279,11 @@ function _M.rewrite(conf, ctx)
     core.log.info("jwt object: ", core.json.delay_encode(jwt_obj))
 
     if not jwt_obj.verified then
-        core.log.warn("failed to verify jwt: ", jwt_obj.reason)
+        err = "failed to verify jwt: " .. jwt_obj.reason
+        if auth_utils.is_running_under_multi_auth(ctx) then
+            return 401, err
+        end
+        core.log.warn(err)
         return 401, {message = "failed to verify jwt"}
     end
 

apisix/plugins/multi-auth.lua

@@ -17,6 +17,7 @@
 local core = require("apisix.core")
 local require = require
 local pairs = pairs
+local type = type
 
 local schema = {
     type = "object",
@@ -68,24 +69,34 @@ end
 function _M.rewrite(conf, ctx)
     local auth_plugins = conf.auth_plugins
     local status_code
+    local errors = {}
+
     for k, auth_plugin in pairs(auth_plugins) do
         for auth_plugin_name, auth_plugin_conf in pairs(auth_plugin) do
             local auth = require("apisix.plugins." .. auth_plugin_name)
             -- returns 401 HTTP status code if authentication failed, otherwise returns nothing.
-            local auth_code = auth.rewrite(auth_plugin_conf, ctx)
+            local auth_code, err = auth.rewrite(auth_plugin_conf, ctx)
+            if type(err) == "table" then
+                err = err.message  -- compat
+            end
+
             status_code = auth_code
             if auth_code == nil then
                 core.log.debug(auth_plugin_name .. " succeed to authenticate the request")
                 goto authenticated
             else
-                core.log.debug(auth_plugin_name .. " failed to authenticate the request, code: "
-                        .. auth_code)
+                core.table.insert(errors, auth_plugin_name ..
+                        " failed to authenticate the request, code: "
+                        .. auth_code .. ". error: " .. err)
             end
         end
     end
 
     :: authenticated ::
     if status_code ~= nil then
+        for _, error in pairs(errors) do
+            core.log.warn(error)
+        end
         return 401, { message = "Authorization Failed" }
     end
 end

apisix/utils/auth.lua

@@ -0,0 +1,24 @@
+--
+-- Licensed to the Apache Software Foundation (ASF) under one or more
+-- contributor license agreements.  See the NOTICE file distributed with
+-- this work for additional information regarding copyright ownership.
+-- The ASF licenses this file to You under the Apache License, Version 2.0
+-- (the "License"); you may not use this file except in compliance with
+-- the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+
+local _M = {}
+
+function _M.is_running_under_multi_auth(ctx)
+    return ctx._plugin_name == "multi-auth"
+end
+
+return _M

t/plugin/multi-auth2.t

@@ -0,0 +1,223 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+use t::APISIX 'no_plan';
+
+no_long_string();
+no_root_location();
+no_shuffle();
+run_tests;
+
+__DATA__
+
+=== TEST 1: add consumer with basic-auth and key-auth plugins
+--- config
+    location /t {
+        content_by_lua_block {
+            local t = require("lib.test_admin").test
+            local code, body = t('/apisix/admin/consumers',
+                ngx.HTTP_PUT,
+                [[{
+                    "username": "foo",
+                    "plugins": {
+                        "basic-auth": {
+                            "username": "foo",
+                            "password": "bar"
+                        },
+                        "jwt-auth": {
+                            "key": "user-key",
+                            "secret": "my-secret-key"
+                        }
+                    }
+                }]]
+                )
+            if code >= 300 then
+                ngx.status = code
+            end
+            ngx.say(body)
+        }
+    }
+--- request
+GET /t
+--- response_body
+passed
+
+
+
+=== TEST 2: enable multi auth plugin using admin api
+--- 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": {
+                        "multi-auth": {
+                            "auth_plugins": [
+                                {
+                                    "basic-auth": {}
+                                },
+                                {
+                                    "jwt-auth": {}
+                                },
+                                {
+                                    "hmac-auth": {}
+                                }
+                            ]
+                        }
+                    },
+                    "upstream": {
+                        "nodes": {
+                            "127.0.0.1:1980": 1
+                        },
+                        "type": "roundrobin"
+                    },
+                    "uri": "/hello"
+                }]]
+                )
+
+            if code >= 300 then
+                ngx.status = code
+            end
+            ngx.say(body)
+        }
+    }
+--- request
+GET /t
+--- response_body
+passed
+
+
+
+=== TEST 3: invalid basic-auth credentials
+--- request
+GET /hello
+--- more_headers
+Authorization: Basic YmFyOmJhcgo=
+--- error_code: 401
+--- response_body
+{"message":"Authorization Failed"}
+--- error_log
+basic-auth failed to authenticate the request, code: 401. error: Invalid user authorization
+jwt-auth failed to authenticate the request, code: 401. error: JWT token invalid: invalid jwt string
+hmac-auth failed to authenticate the request, code: 401. error: client request can't be validated: Authorization header does not start with 'Signature'
+
+
+
+=== TEST 4: valid basic-auth creds
+--- request
+GET /hello
+--- more_headers
+Authorization: Basic Zm9vOmJhcg==
+--- response_body
+hello world
+--- no_error_log
+failed to authenticate the request
+
+
+
+=== TEST 5: missing hmac auth authorization header
+--- request
+GET /hello
+--- error_code: 401
+--- response_body
+{"message":"Authorization Failed"}
+--- error_log
+hmac-auth failed to authenticate the request, code: 401. error: client request can't be validated: missing Authorization header
+
+
+
+=== TEST 6: hmac auth missing algorithm
+--- request
+GET /hello
+--- more_headers
+Authorization: Signature keyId="my-access-key",headers="@request-target date" ,signature="asdf"
+Date: Thu, 24 Sep 2020 06:39:52 GMT
+--- error_code: 401
+--- response_body
+{"message":"Authorization Failed"}
+--- error_log
+hmac-auth failed to authenticate the request, code: 401. error: client request can't be validated: algorithm missing
+
+
+
+=== TEST 7: add consumer with username and jwt-auth plugins
+--- config
+    location /t {
+        content_by_lua_block {
+            local t = require("lib.test_admin").test
+            local code, body = t('/apisix/admin/consumers',
+                ngx.HTTP_PUT,
+                [[{
+                    "username": "jack",
+                    "plugins": {
+                        "jwt-auth": {
+                            "key": "user-key",
+                            "secret": "my-secret-key"
+                        }
+                    }
+                }]]
+                )
+
+            if code >= 300 then
+                ngx.status = code
+            end
+            ngx.say(body)
+        }
+    }
+--- request
+GET /t
+--- response_body
+passed
+
+
+
+=== TEST 8: test with expired jwt token
+--- request
+GET /hello
+--- error_code: 401
+--- response_body
+{"message":"Authorization Failed"}
+--- error_log
+jwt-auth failed to authenticate the request, code: 401. error: failed to verify jwt: 'exp' claim expired at Tue, 23 Jul 2019 08:28:21 GMT
+--- more_headers
+Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTU2Mzg3MDUwMX0.pPNVvh-TQsdDzorRwa-uuiLYiEBODscp9wv0cwD6c68
+
+
+
+=== TEST 9: test with jwt token containing wrong signature
+--- request
+GET /hello
+--- error_code: 401
+--- response_body
+{"message":"Authorization Failed"}
+--- error_log
+jwt-auth failed to authenticate the request, code: 401. error: failed to verify jwt: signature mismatch: fNtFJnNnJgzbiYmGB0Yjvm-l6A6M4jRV1l4mnVFSYjs
+--- more_headers
+Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTg3OTMxODU0MX0.fNtFJnNnJgzbiYmGB0Yjvm-l6A6M4jRV1l4mnVFSYjs
+
+
+
+=== TEST 10: verify jwt-auth
+--- request
+GET /hello
+--- more_headers
+Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTg3OTMxODU0MX0.fNtFJnNmJgzbiYmGB0Yjvm-l6A6M4jRV1l4mnVFSYjs
+--- response_body
+hello world
+--- no_error_log
+failed to authenticate the request