fix(openid-connect): openid not closing session and blocking until tt…

…l expired when using lockable session storage backend (#8017)

apisix/plugins/openid-connect.lua

@@ -574,6 +574,9 @@ function _M.rewrite(plugin_conf, ctx)
             end
         end
     end
+    if(session) then
+        session:close()
+    end
 end
 
 

t/plugin/openid-connect5.t

@@ -0,0 +1,141 @@
+#
+# 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';
+
+log_level('debug');
+repeat_each(1);
+no_long_string();
+no_root_location();
+
+add_block_preprocessor(sub {
+    my ($block) = @_;
+
+    if ((!defined $block->error_log) && (!defined $block->no_error_log)) {
+        $block->set_value("no_error_log", "[error]");
+    }
+
+    if (!defined $block->request) {
+        $block->set_value("request", "GET /t");
+    }
+});
+
+run_tests();
+
+__DATA__
+
+=== TEST 1: Call to route with locking session storage should not block subsequent requests with same session
+--- config
+    set $session_storage redis;
+    set $session_redis_prefix                   sessions;
+    set $session_redis_database                 0;
+    set $session_redis_connect_timeout          1000; # (in milliseconds)
+    set $session_redis_send_timeout             1000; # (in milliseconds)
+    set $session_redis_read_timeout             1000; # (in milliseconds)
+    set $session_redis_host                     127.0.0.1;
+    set $session_redis_port                     6379;
+    set $session_redis_ssl                      off;
+    set $session_redis_ssl_verify               off;
+    set $session_redis_uselocking               on;
+    set $session_redis_spinlockwait             150;  # (in milliseconds)
+    set $session_redis_maxlockwait              30;   # (in seconds)
+
+    location /t {
+        content_by_lua_block {
+            local t = require("lib.test_admin").test
+            local http = require "resty.http"
+            local login_keycloak = require("lib.keycloak").login_keycloak
+            local concatenate_cookies = require("lib.keycloak").concatenate_cookies
+
+            local code, body = t('/apisix/admin/routes/1',
+                 ngx.HTTP_PUT,
+                 [[{
+                        "plugins": {
+                            "openid-connect": {
+                                "discovery": "http://127.0.0.1:8080/realms/University/.well-known/openid-configuration",
+                                "realm": "University",
+                                "client_id": "course_management",
+                                "client_secret": "d1ec69e9-55d2-4109-a3ea-befa071579d5",
+                                "redirect_uri": "http://127.0.0.1:]] .. ngx.var.server_port .. [[/authenticated",
+                                "ssl_verify": false,
+                                "bearer_only" : false,
+                                "timeout": 10,
+                                "introspection_endpoint_auth_method": "client_secret_post",
+                                "introspection_endpoint": "http://127.0.0.1:8080/realms/University/protocol/openid-connect/token/introspect",
+                                "set_access_token_header": true,
+                                "access_token_in_authorization_header": false,
+                                "set_id_token_header": true,
+                                "set_userinfo_header": true,
+                                "set_refresh_token_header": true
+                            }
+                        },
+                        "upstream": {
+                            "nodes": {
+                                "127.0.0.1:1980": 1
+                            },
+                            "type": "roundrobin"
+                        },
+                        "uri": "/*"
+                }]]
+                )
+
+            local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
+
+            local res, err = login_keycloak(uri, "teacher@gmail.com", "123456")
+            if err then
+                ngx.status = 500
+                ngx.say(err)
+                return
+            end
+
+            local cookie_str = concatenate_cookies(res.headers['Set-Cookie'])
+            local redirect_uri = "http://127.0.0.1:" .. ngx.var.server_port .. res.headers['Location']
+
+            -- Make the final call to protected route
+            local function firstRequest()
+               local httpc = http.new()
+               httpc:request_uri(redirect_uri, {
+                        method = "GET",
+                        headers = {
+                            ["Cookie"] = cookie_str
+                        }
+                    })
+            end
+
+            ngx.thread.spawn(firstRequest)
+
+            -- Make second call to protected route which should not timeout due to blocked session
+            local httpc = http.new()
+            httpc:set_timeout(2000)
+
+            res, err = httpc:request_uri(redirect_uri, {
+                    method = "GET",
+                    headers = {
+                        ["Cookie"] = cookie_str
+                    }
+            })
+
+            if err then
+                ngx.say("request error: ", err)
+                return
+            end
+
+            ngx.say(res.body)
+        }
+    }
+--- response_body_like
+hello world
+--- ONLY